Merge pull request #132 from vulcanize/direct_proxy_fallthrough

Direct proxy fallthrough

.github/workflows/on-pr.yaml

@@ -11,12 +11,12 @@ jobs:
       - name: Run docker build
         run: make docker-build
   test:
-    name: Run integration tests
+    name: Run unit tests
     env:
       GOPATH: /tmp/go
     strategy:
       matrix:
-        go-version: [1.14.x, 1.15.x]
+        go-version: [1.16.x, 1.17.x]
         os: [ubuntu-latest]
     runs-on: ${{ matrix.os }}
     steps:
@@ -28,8 +28,66 @@ jobs:
           go-version: ${{ matrix.go-version }}
       - uses: actions/checkout@v2
       - name: Run database
-        run: docker-compose up -d db
+        run: docker-compose up -d ipld-eth-db
       - name: Test
         run: |
           sleep 10
-          PGPASSWORD=password DATABASE_USER=vdbm DATABASE_PORT=8077 DATABASE_PASSWORD=password DATABASE_HOSTNAME=127.0.0.1 make test
+          PGPASSWORD=password DATABASE_USER=vdbm DATABASE_PORT=8077 DATABASE_PASSWORD=password DATABASE_HOSTNAME=127.0.0.1 DATABASE_NAME=vulcanize_testing make test
+
+  integrationtest:
+    name: Run integration tests
+    env:
+      GOPATH: /tmp/go
+      DB_WRITE: true
+      ETH_FORWARD_ETH_CALLS: false
+      ETH_PROXY_ON_ERROR: false
+      ETH_HTTP_PATH: ""
+    strategy:
+      matrix:
+        go-version: [1.16.x]
+        os: [ubuntu-latest]
+    runs-on: ${{ matrix.os }}
+    steps:
+      - name: Create GOPATH
+        run: mkdir -p /tmp/go
+      - name: Install Go
+        uses: actions/setup-go@v2
+        with:
+          go-version: ${{ matrix.go-version }}
+      - uses: actions/checkout@v2
+      - name: Run database
+        run: docker-compose -f docker-compose.test.yml -f docker-compose.yml up -d ipld-eth-db dapptools contract eth-server
+      - name: Test
+        run: |
+          while [ "$(curl -s -o /dev/null -w ''%{http_code}'' localhost:8081)" != "200" ]; do echo "waiting for ipld-eth-server..." && sleep 5; done && \
+          while [ "$(curl -s -o /dev/null -w ''%{http_code}'' localhost:8545)" != "200" ]; do echo "waiting for geth-statediff..." && sleep 5; done && \
+          make integrationtest
+
+  integrationtest_forwardethcalls:
+    name: Run integration tests for direct proxy fall-through of eth_calls
+    env:
+      GOPATH: /tmp/go
+      DB_WRITE: false
+      ETH_FORWARD_ETH_CALLS: true
+      ETH_PROXY_ON_ERROR: false
+      ETH_HTTP_PATH: "dapptools:8545"
+    strategy:
+      matrix:
+        go-version: [ 1.16.x ]
+        os: [ ubuntu-latest ]
+    runs-on: ${{ matrix.os }}
+    steps:
+      - name: Create GOPATH
+        run: mkdir -p /tmp/go
+      - name: Install Go
+        uses: actions/setup-go@v2
+        with:
+          go-version: ${{ matrix.go-version }}
+      - uses: actions/checkout@v2
+      - name: Run database
+        run: docker-compose -f docker-compose.test.yml -f docker-compose.yml up -d ipld-eth-db dapptools contract eth-server
+      - name: Test
+        run: |
+          while [ "$(curl -s -o /dev/null -w ''%{http_code}'' localhost:8081)" != "200" ]; do echo "waiting for ipld-eth-server..." && sleep 5; done && \
+          while [ "$(curl -s -o /dev/null -w ''%{http_code}'' localhost:8545)" != "200" ]; do echo "waiting for geth-statediff..." && sleep 5; done && \
+          make integrationtest

Dockerfile

@@ -1,4 +1,4 @@
-FROM golang:1.13-alpine as builder
+FROM golang:1.16-alpine as builder
 
 RUN apk --update --no-cache add make git g++ linux-headers
 # DEBUG
@@ -6,8 +6,17 @@ RUN apk add busybox-extras
 
 # Build ipld-eth-server
 WORKDIR /go/src/github.com/vulcanize/ipld-eth-server
-ADD . .
-RUN GO111MODULE=on GCO_ENABLED=0 GOOS=linux go build -a -installsuffix cgo -ldflags '-extldflags "-static"' -o ipld-eth-server .
+
+# Cache the modules
+ENV GO111MODULE=on
+COPY go.mod .
+COPY go.sum .
+RUN go mod download
+
+COPY . .
+
+# Build the binary
+RUN GCO_ENABLED=0 GOOS=linux go build -a -installsuffix cgo -ldflags '-extldflags "-static"' -o ipld-eth-server .
 
 # Copy migration tool
 WORKDIR /
@@ -35,7 +44,6 @@ COPY --chown=5000:5000 --from=builder /go/src/github.com/vulcanize/ipld-eth-serv
 # keep binaries immutable
 COPY --from=builder /go/src/github.com/vulcanize/ipld-eth-server/ipld-eth-server ipld-eth-server
 COPY --from=builder /goose goose
-COPY --from=builder /go/src/github.com/vulcanize/ipld-eth-server/db/migrations migrations/vulcanizedb
 COPY --from=builder /go/src/github.com/vulcanize/ipld-eth-server/environments environments
 
 ENTRYPOINT ["/app/entrypoint.sh"]

Makefile

@@ -57,43 +57,26 @@ TEST_CONNECT_STRING_LOCAL = postgresql://$(USER)@$(HOST_NAME):$(PORT)/$(TEST_DB)
 test: | $(GINKGO) $(GOOSE)
 	go vet ./...
 	go fmt ./...
-	export PGPASSWORD=$(DATABASE_PASSWORD)
-	dropdb -h $(DATABASE_HOSTNAME) -p $(DATABASE_PORT) -U $(DATABASE_USER) --if-exists $(TEST_DB)
-	createdb -h $(DATABASE_HOSTNAME) -p $(DATABASE_PORT) -U $(DATABASE_USER) $(TEST_DB)
-	$(GOOSE) -dir db/migrations postgres "$(TEST_CONNECT_STRING)" up
-	$(GINKGO) -r --skipPackage=integration_tests,integration
+	$(GINKGO) -r --skipPackage=test
 
 .PHONY: integrationtest
 integrationtest: | $(GINKGO) $(GOOSE)
 	go vet ./...
 	go fmt ./...
-	export PGPASSWORD=$(DATABASE_PASSWORD)
-	dropdb -h $(DATABASE_HOSTNAME) -p $(DATABASE_PORT) -U $(DATABASE_USER) --if-exists $(TEST_DB)
-	createdb -h $(DATABASE_HOSTNAME) -p $(DATABASE_PORT) -U $(DATABASE_USER) $(TEST_DB)
-	$(GOOSE) -dir db/migrations postgres "$(TEST_CONNECT_STRING)" up
-	$(GINKGO) -r integration_test/
+	$(GINKGO) -r test/ -v
 
 .PHONY: test_local
 test_local: | $(GINKGO) $(GOOSE)
 	go vet ./...
 	go fmt ./...
-	dropdb -h $(HOST_NAME) -p $(PORT) -U $(USER) --if-exists $(TEST_DB)
-	createdb -h $(HOST_NAME) -p $(PORT) -U $(USER) $(TEST_DB)
-	$(GOOSE) -dir db/migrations postgres "$(TEST_CONNECT_STRING_LOCAL)" up
-	$(GOOSE) -dir db/migrations postgres "$(TEST_CONNECT_STRING_LOCAL)" reset
-	make migrate NAME=$(TEST_DB)
-	$(GINKGO) -r --skipPackage=integration_tests,integration
+	./scripts/run_unit_test.sh
 
 .PHONY: integrationtest_local
 integrationtest_local: | $(GINKGO) $(GOOSE)
 	go vet ./...
 	go fmt ./...
-	dropdb -h $(HOST_NAME) -p $(PORT) -U $(USER) --if-exists $(TEST_DB)
-	createdb -h $(HOST_NAME) -p $(PORT) -U $(USER) $(TEST_DB)
-	$(GOOSE) -dir db/migrations postgres "$(TEST_CONNECT_STRING_LOCAL)" up
-	$(GOOSE) -dir db/migrations postgres "$(TEST_CONNECT_STRING_LOCAL)" reset
-	make migrate NAME=$(TEST_DB)
-	$(GINKGO) -r integration_test/
+	./scripts/run_integration_test.sh
+	./scripts/run_integration_test_forward_eth_calls.sh
 
 build:
 	go fmt ./...
@@ -162,4 +145,4 @@ import:
 ## Build docker image
 .PHONY: docker-build
 docker-build:
-	docker build -t vulcanize/ipld-eth-server .
+	docker build -t vulcanize/ipld-eth-server .

README.md

@@ -121,6 +121,32 @@ The currently supported standard endpoints are:
 
 TODO: Add the rest of the standard endpoints and unique endpoints (e.g. getSlice)
 
+
+### CLI Options and Environment variables
+
+
+| CLI Option                    | Environment Variable          | Default Value    | Comment                             |
+| ----------------------------- | ----------------------------- | ---------------- | ----------------------------------- |
+| `database-hostname`           | `DATABASE_HOSTNAME`           | localhost        | IPLD database host                  |
+| `database-port`               | `DATABASE_PORT`               | 5432             | IPLD database port                  |
+| `database-name`               | `DATABASE_NAME`               | vulcanize_public | IPLD database name                  |
+| `database-user`               | `DATABASE_USER`               |                  | IPLD database user                  |
+| `database-password`           | `DATABASE_PASSWORD`           |                  | IPLD database password              |
+| `eth-server-graphql`          | `ETH_SERVER_GRAPHQL`          | false            | If `true` enable Eth GraphQL Server |
+| `eth-server-graphql-path` | `ETH_SERVER_GRAPHQLPATH` |                  | If `eth-server-graphql` set to true, endpoint url for graphql server (host:port)                               |
+| `eth-server-http`          | `ETH_SERVER_HTTP`          | true            | If `true` enable Eth HTTP JSON-RPC Server |
+| `eth-server-http-path`          | `ETH_SERVER_HTTPPATH`          |             | If `eth-server-http` set to `true`, endpoint url for Eth HTTP JSON-RPC server (host:port)  |
+| `eth-server-ws`          | `ETH_SERVER_WS`          | false            | If `true` enable Eth WS JSON-RPC Server |
+| `eth-server-ws-path`          | `ETH_SERVER_WSPATH`          |             | If `eth-server-ws` set to `true`, endpoint url for Eth WS JSON-RPC server (host:port)  |
+| `eth-server-ipc`          | `ETH_SERVER_IPC`          | false            | If `true` enable Eth IPC JSON-RPC Server |
+| `eth-server-ipc-path`          | `ETH_SERVER_IPC_PATH`          |             | If `eth-server-ws` set to `true`, path for Eth IPC JSON-RPC server |
+| `ipld-server-graphql`          | `IPLD_SERVER_GRAPHQL`          | false            | If `true` enable IPLD GraphQL Server |
+| `ipld-server-graphql-path` | `IPLD_SERVER_GRAPHQLPATH` |                  | If `ipld-server-graphql` set to true, endpoint url for graphql server (host:port)                               |
+| `ipld-postgraphile-path` | `IPLD_POSTGRAPHILEPATH` |                  | If `ipld-server-graphql` set to true, http url for postgraphile server on top of IPLD db                        |
+| `tracing-http-path` | `TRACING_HTTPPATH` |                  | If `ipld-server-graphql` set to true, http url for tracing server                        |
+| `tracing-postgraphile-path` | `TRACING.POSTGRAPHILEPATH` |                  | If `ipld-server-graphql` set to true, http url for postgraphile server on top of tracing db                        |
+
+
 ### Testing
 `make test` will run the unit tests  
 `make test` setups a clean `vulcanize_testing` db

chain.json

@@ -0,0 +1,16 @@
+{
+  "chainId": 4,
+  "homesteadBlock": 1,
+  "eip150Block": 2,
+  "eip150Hash": "0x9b095b36c15eaf13044373aef8ee0bd3a382a5abb92e402afa44b8249c3a90e9",
+  "eip155Block": 3,
+  "eip158Block": 3,
+  "byzantiumBlock": 3,
+  "constantinopleBlock": 3,
+  "petersburgBlock": 3,
+  "istanbulBlock": 3,
+  "clique": {
+    "period": 15,
+    "epoch": 30000
+  }
+}

cmd/common.go

@@ -0,0 +1,37 @@
+// Copyright © 2021 Vulcanize, Inc
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Affero General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU Affero General Public License for more details.
+//
+// You should have received a copy of the GNU Affero General Public License
+// along with this program. If not, see <http://www.gnu.org/licenses/>.
+
+package cmd
+
+import (
+	"github.com/spf13/cobra"
+	"github.com/spf13/viper"
+)
+
+func addDatabaseFlags(command *cobra.Command) {
+	// database flags
+	command.PersistentFlags().String("database-name", "vulcanize_public", "database name")
+	command.PersistentFlags().Int("database-port", 5432, "database port")
+	command.PersistentFlags().String("database-hostname", "localhost", "database hostname")
+	command.PersistentFlags().String("database-user", "", "database user")
+	command.PersistentFlags().String("database-password", "", "database password")
+
+	// database flag bindings
+	viper.BindPFlag("database.name", command.PersistentFlags().Lookup("database-name"))
+	viper.BindPFlag("database.port", command.PersistentFlags().Lookup("database-port"))
+	viper.BindPFlag("database.hostname", command.PersistentFlags().Lookup("database-hostname"))
+	viper.BindPFlag("database.user", command.PersistentFlags().Lookup("database-user"))
+	viper.BindPFlag("database.password", command.PersistentFlags().Lookup("database-password"))
+}

cmd/root.go

@@ -99,11 +99,7 @@ func init() {
 	viper.AutomaticEnv()
 
 	rootCmd.PersistentFlags().StringVar(&cfgFile, "config", "", "config file location")
-	rootCmd.PersistentFlags().String("database-name", "vulcanize_public", "database name")
-	rootCmd.PersistentFlags().Int("database-port", 5432, "database port")
-	rootCmd.PersistentFlags().String("database-hostname", "localhost", "database hostname")
-	rootCmd.PersistentFlags().String("database-user", "", "database user")
-	rootCmd.PersistentFlags().String("database-password", "", "database password")
+
 	rootCmd.PersistentFlags().String("client-ipcPath", "", "location of geth.ipc file")
 	rootCmd.PersistentFlags().String("log-level", log.InfoLevel.String(), "log level (trace, debug, info, warn, error, fatal, panic)")
 	rootCmd.PersistentFlags().String("log-file", "", "file path for logging")
@@ -114,11 +110,6 @@ func init() {
 	rootCmd.PersistentFlags().String("prom-http-addr", "127.0.0.1", "http host for prometheus")
 	rootCmd.PersistentFlags().String("prom-http-port", "8090", "http port for prometheus")
 
-	viper.BindPFlag("database.name", rootCmd.PersistentFlags().Lookup("database-name"))
-	viper.BindPFlag("database.port", rootCmd.PersistentFlags().Lookup("database-port"))
-	viper.BindPFlag("database.hostname", rootCmd.PersistentFlags().Lookup("database-hostname"))
-	viper.BindPFlag("database.user", rootCmd.PersistentFlags().Lookup("database-user"))
-	viper.BindPFlag("database.password", rootCmd.PersistentFlags().Lookup("database-password"))
 	viper.BindPFlag("log.level", rootCmd.PersistentFlags().Lookup("log-level"))
 	viper.BindPFlag("log.file", rootCmd.PersistentFlags().Lookup("log-file"))
 

cmd/serve.go

@@ -16,24 +16,31 @@
 package cmd
 
 import (
+	"errors"
+	"net/http"
+	"net/url"
 	"os"
 	"os/signal"
+	"strings"
 	"sync"
-
-	"github.com/vulcanize/ipld-eth-server/pkg/graphql"
+	"time"
 
 	"github.com/ethereum/go-ethereum/rpc"
+	"github.com/mailgun/groupcache/v2"
 	log "github.com/sirupsen/logrus"
 	"github.com/spf13/cobra"
 	"github.com/spf13/viper"
+	"github.com/vulcanize/gap-filler/pkg/mux"
 
-	"github.com/vulcanize/ipld-eth-indexer/pkg/eth"
-
+	"github.com/vulcanize/ipld-eth-server/pkg/eth"
+	"github.com/vulcanize/ipld-eth-server/pkg/graphql"
 	srpc "github.com/vulcanize/ipld-eth-server/pkg/rpc"
 	s "github.com/vulcanize/ipld-eth-server/pkg/serve"
 	v "github.com/vulcanize/ipld-eth-server/version"
 )
 
+var ErrNoRpcEndpoints = errors.New("no rpc endpoints is available")
+
 // serveCmd represents the serve command
 var serveCmd = &cobra.Command{
 	Use:   "serve",
@@ -71,12 +78,29 @@ func serve() {
 	if err := startServers(server, serverConfig); err != nil {
 		logWithCommand.Fatal(err)
 	}
-	graphQL, err := startGraphQL(server)
+	graphQL, err := startEthGraphQL(server, serverConfig)
 	if err != nil {
 		logWithCommand.Fatal(err)
 	}
 
-	shutdown := make(chan os.Signal)
+	err = startIpldGraphQL(serverConfig)
+	if err != nil {
+		logWithCommand.Fatal(err)
+	}
+
+	err = startGroupCacheService(serverConfig)
+	if err != nil {
+		logWithCommand.Fatal(err)
+	}
+
+	if serverConfig.StateValidationEnabled {
+		go startStateTrieValidator(serverConfig, server)
+		logWithCommand.Info("state validator enabled")
+	} else {
+		logWithCommand.Info("state validator disabled")
+	}
+
+	shutdown := make(chan os.Signal, 1)
 	signal.Notify(shutdown, os.Interrupt)
 	<-shutdown
 	if graphQL != nil {
@@ -87,27 +111,43 @@ func serve() {
 }
 
 func startServers(server s.Server, settings *s.Config) error {
-	logWithCommand.Info("starting up IPC server")
-	_, _, err := srpc.StartIPCEndpoint(settings.IPCEndpoint, server.APIs())
-	if err != nil {
-		return err
+	if settings.IPCEnabled {
+		logWithCommand.Info("starting up IPC server")
+		_, _, err := srpc.StartIPCEndpoint(settings.IPCEndpoint, server.APIs())
+		if err != nil {
+			return err
+		}
+	} else {
+		logWithCommand.Info("IPC server is disabled")
 	}
-	logWithCommand.Info("starting up WS server")
-	_, _, err = srpc.StartWSEndpoint(settings.WSEndpoint, server.APIs(), []string{"vdb"}, nil, true)
-	if err != nil {
-		return err
+
+	if settings.WSEnabled {
+		logWithCommand.Info("starting up WS server")
+		_, _, err := srpc.StartWSEndpoint(settings.WSEndpoint, server.APIs(), []string{"vdb", "net"}, nil, true)
+		if err != nil {
+			return err
+		}
+	} else {
+		logWithCommand.Info("WS server is disabled")
 	}
-	logWithCommand.Info("starting up HTTP server")
-	_, err = srpc.StartHTTPEndpoint(settings.HTTPEndpoint, server.APIs(), []string{"eth"}, nil, []string{"*"}, rpc.HTTPTimeouts{})
-	return err
+
+	if settings.HTTPEnabled {
+		logWithCommand.Info("starting up HTTP server")
+		_, err := srpc.StartHTTPEndpoint(settings.HTTPEndpoint, server.APIs(), []string{"eth", "net"}, nil, []string{"*"}, rpc.HTTPTimeouts{})
+		if err != nil {
+			return err
+		}
+	} else {
+		logWithCommand.Info("HTTP server is disabled")
+	}
+
+	return nil
 }
 
-func startGraphQL(server s.Server) (graphQLServer *graphql.Service, err error) {
-	viper.BindEnv("server.graphql", "SERVER_GRAPHQL")
-	if viper.GetBool("server.graphql") {
-		logWithCommand.Info("starting up GraphQL server")
-		viper.BindEnv("server.graphqlEndpoint", "SERVER_GRAPHQL_ENDPOINT")
-		endPoint := viper.GetString("server.graphqlEndpoint")
+func startEthGraphQL(server s.Server, settings *s.Config) (graphQLServer *graphql.Service, err error) {
+	if settings.EthGraphqlEnabled {
+		logWithCommand.Info("starting up ETH GraphQL server")
+		endPoint := settings.EthGraphqlEndpoint
 		if endPoint != "" {
 			graphQLServer, err = graphql.New(server.Backend(), endPoint, nil, []string{"*"}, rpc.HTTPTimeouts{})
 			if err != nil {
@@ -115,19 +155,185 @@ func startGraphQL(server s.Server) (graphQLServer *graphql.Service, err error) {
 			}
 			err = graphQLServer.Start(nil)
 		}
+	} else {
+		logWithCommand.Info("ETH GraphQL server is disabled")
 	}
+
 	return
 }
 
+func startIpldGraphQL(settings *s.Config) error {
+	if settings.IpldGraphqlEnabled {
+		logWithCommand.Info("starting up IPLD GraphQL server")
+
+		gqlIpldAddr, err := url.Parse(settings.IpldPostgraphileEndpoint)
+		if err != nil {
+			return err
+		}
+
+		gqlTracingAPIAddr, err := url.Parse(settings.TracingPostgraphileEndpoint)
+		if err != nil {
+			return err
+		}
+
+		ethClients, err := parseRpcAddresses(settings.EthHttpEndpoint)
+		if err != nil {
+			return err
+		}
+
+		var tracingClients []*rpc.Client
+		tracingEndpoint := viper.GetString("tracing.httpPath")
+		if tracingEndpoint != "" {
+			tracingClients, err = parseRpcAddresses(tracingEndpoint)
+			if err != nil {
+				return err
+			}
+		}
+
+		router, err := mux.NewServeMux(&mux.Options{
+			BasePath:       "/",
+			EnableGraphiQL: true,
+			Postgraphile: mux.PostgraphileOptions{
+				Default:    gqlIpldAddr,
+				TracingAPI: gqlTracingAPIAddr,
+			},
+			RPC: mux.RPCOptions{
+				DefaultClients: ethClients,
+				TracingClients: tracingClients,
+			},
+		})
+		if err != nil {
+			return err
+		}
+
+		go http.ListenAndServe(settings.IpldGraphqlEndpoint, router)
+	} else {
+		logWithCommand.Info("IPLD GraphQL server is disabled")
+	}
+
+	return nil
+}
+
+func startGroupCacheService(settings *s.Config) error {
+	gcc := settings.GroupCache
+
+	if gcc.Pool.Enabled {
+		logWithCommand.Info("starting up groupcache pool HTTTP server")
+
+		pool := groupcache.NewHTTPPoolOpts(gcc.Pool.HttpEndpoint, &groupcache.HTTPPoolOptions{})
+		pool.Set(gcc.Pool.PeerHttpEndpoints...)
+
+		httpURL, err := url.Parse(gcc.Pool.HttpEndpoint)
+		if err != nil {
+			return err
+		}
+
+		server := http.Server{
+			Addr:    httpURL.Host,
+			Handler: pool,
+		}
+
+		// Start a HTTP server to listen for peer requests from the groupcache
+		go server.ListenAndServe()
+
+		logWithCommand.Infof("groupcache pool endpoint opened for url %s", httpURL)
+	} else {
+		logWithCommand.Info("Groupcache pool is disabled")
+	}
+
+	return nil
+}
+
+func startStateTrieValidator(config *s.Config, server s.Server) {
+	validateEveryNthBlock := config.StateValidationEveryNthBlock
+
+	var lastBlockNumber uint64
+	backend := server.Backend()
+
+	for {
+		time.Sleep(5 * time.Second)
+
+		block, err := backend.CurrentBlock()
+		if err != nil {
+			log.Errorln("Error fetching current block for state trie validator")
+			continue
+		}
+
+		stateRoot := block.Root()
+		blockNumber := block.NumberU64()
+		blockHash := block.Hash()
+
+		if validateEveryNthBlock <= 0 || // Used for static replicas where block number doesn't progress.
+			(blockNumber > lastBlockNumber) && (blockNumber%validateEveryNthBlock == 0) {
+
+			// The validate trie call will take a long time on mainnet, e.g. a few hours.
+			if err = backend.ValidateTrie(stateRoot); err != nil {
+				log.Fatalf("Error validating trie for block number %d hash %s state root %s",
+					blockNumber,
+					blockHash,
+					stateRoot,
+				)
+			}
+
+			log.Infof("Successfully validated trie for block number %d hash %s state root %s",
+				blockNumber,
+				blockHash,
+				stateRoot,
+			)
+
+			if validateEveryNthBlock <= 0 {
+				// Static replica, sleep a long-ish time (1/2 of cache expiry time) since we only need to keep the cache warm.
+				time.Sleep((time.Minute * time.Duration(config.GroupCache.StateDB.CacheExpiryInMins)) / 2)
+			}
+
+			lastBlockNumber = blockNumber
+		}
+	}
+}
+
+func parseRpcAddresses(value string) ([]*rpc.Client, error) {
+	rpcAddresses := strings.Split(value, ",")
+	rpcClients := make([]*rpc.Client, 0, len(rpcAddresses))
+	for _, address := range rpcAddresses {
+		rpcClient, err := rpc.Dial(address)
+		if err != nil {
+			logWithCommand.Errorf("couldn't connect to %s. Error: %s", address, err)
+			continue
+		}
+
+		rpcClients = append(rpcClients, rpcClient)
+	}
+
+	if len(rpcClients) == 0 {
+		logWithCommand.Error(ErrNoRpcEndpoints)
+		return nil, ErrNoRpcEndpoints
+	}
+
+	return rpcClients, nil
+}
+
 func init() {
 	rootCmd.AddCommand(serveCmd)
 
+	addDatabaseFlags(serveCmd)
+
 	// flags for all config variables
-	serveCmd.PersistentFlags().Bool("server-graphql", false, "turn on the graphql server")
-	serveCmd.PersistentFlags().String("server-graphql-endpoint", "", "endpoint url for graphql server")
-	serveCmd.PersistentFlags().String("server-ws-path", "", "vdb server ws path")
-	serveCmd.PersistentFlags().String("server-http-path", "", "vdb server http path")
-	serveCmd.PersistentFlags().String("server-ipc-path", "", "vdb server ipc path")
+	// eth graphql and json-rpc parameters
+	serveCmd.PersistentFlags().Bool("eth-server-graphql", false, "turn on the eth graphql server")
+	serveCmd.PersistentFlags().String("eth-server-graphql-path", "", "endpoint url for eth graphql server (host:port)")
+	serveCmd.PersistentFlags().Bool("eth-server-http", true, "turn on the eth http json-rpc server")
+	serveCmd.PersistentFlags().String("eth-server-http-path", "", "endpoint url for eth http json-rpc server (host:port)")
+	serveCmd.PersistentFlags().Bool("eth-server-ws", false, "turn on the eth websocket json-rpc server")
+	serveCmd.PersistentFlags().String("eth-server-ws-path", "", "endpoint url for eth websocket json-rpc server (host:port)")
+	serveCmd.PersistentFlags().Bool("eth-server-ipc", false, "turn on the eth ipc json-rpc server")
+	serveCmd.PersistentFlags().String("eth-server-ipc-path", "", "path for eth ipc json-rpc server")
+
+	// ipld and tracing graphql parameters
+	serveCmd.PersistentFlags().Bool("ipld-server-graphql", false, "turn on the ipld graphql server")
+	serveCmd.PersistentFlags().String("ipld-server-graphql-path", "", "endpoint url for ipld graphql server (host:port)")
+	serveCmd.PersistentFlags().String("ipld-postgraphile-path", "", "http url to postgraphile on top of ipld database")
+	serveCmd.PersistentFlags().String("tracing-http-path", "", "http url to tracing service")
+	serveCmd.PersistentFlags().String("tracing-postgraphile-path", "", "http url to postgraphile on top of tracing db")
 
 	serveCmd.PersistentFlags().String("eth-http-path", "", "http url for ethereum node")
 	serveCmd.PersistentFlags().String("eth-node-id", "", "eth node id")
@@ -137,13 +343,46 @@ func init() {
 	serveCmd.PersistentFlags().String("eth-chain-id", "1", "eth chain id")
 	serveCmd.PersistentFlags().String("eth-default-sender", "", "default sender address")
 	serveCmd.PersistentFlags().String("eth-rpc-gas-cap", "", "rpc gas cap (for eth_Call execution)")
+	serveCmd.PersistentFlags().String("eth-chain-config", "", "json chain config file location")
+	serveCmd.PersistentFlags().Bool("eth-supports-state-diff", false, "whether the proxy ethereum client supports statediffing endpoints")
+	serveCmd.PersistentFlags().Bool("eth-forward-eth-calls", false, "whether to immediately forward eth_calls to proxy client")
+	serveCmd.PersistentFlags().Bool("eth-proxy-on-error", true, "whether to forward all failed calls to proxy client")
+
+	// groupcache flags
+	serveCmd.PersistentFlags().Bool("gcache-pool-enabled", false, "turn on the groupcache pool")
+	serveCmd.PersistentFlags().String("gcache-pool-http-path", "", "http url for groupcache node")
+	serveCmd.PersistentFlags().StringArray("gcache-pool-http-peers", []string{}, "http urls for groupcache peers")
+	serveCmd.PersistentFlags().Int("gcache-statedb-cache-size", 16, "state DB cache size in MB")
+	serveCmd.PersistentFlags().Int("gcache-statedb-cache-expiry", 60, "state DB cache expiry time in mins")
+	serveCmd.PersistentFlags().Int("gcache-statedb-log-stats-interval", 60, "state DB cache stats log interval in secs")
+
+	// state validator flags
+	serveCmd.PersistentFlags().Bool("validator-enabled", false, "turn on the state validator")
+	serveCmd.PersistentFlags().Uint("validator-every-nth-block", 1500, "only validate every Nth block")
 
 	// and their bindings
-	viper.BindPFlag("server.graphql", serveCmd.PersistentFlags().Lookup("server-graphql"))
-	viper.BindPFlag("server.graphqlEndpoint", serveCmd.PersistentFlags().Lookup("server-graphql-endpoint"))
-	viper.BindPFlag("server.wsPath", serveCmd.PersistentFlags().Lookup("server-ws-path"))
-	viper.BindPFlag("server.httpPath", serveCmd.PersistentFlags().Lookup("server-http-path"))
-	viper.BindPFlag("server.ipcPath", serveCmd.PersistentFlags().Lookup("server-ipc-path"))
+	// eth graphql server
+	viper.BindPFlag("eth.server.graphql", serveCmd.PersistentFlags().Lookup("eth-server-graphql"))
+	viper.BindPFlag("eth.server.graphqlPath", serveCmd.PersistentFlags().Lookup("eth-server-graphql-path"))
+
+	// eth http json-rpc server
+	viper.BindPFlag("eth.server.http", serveCmd.PersistentFlags().Lookup("eth-server-http"))
+	viper.BindPFlag("eth.server.httpPath", serveCmd.PersistentFlags().Lookup("eth-server-http-path"))
+
+	// eth websocket json-rpc server
+	viper.BindPFlag("eth.server.ws", serveCmd.PersistentFlags().Lookup("eth-server-ws"))
+	viper.BindPFlag("eth.server.wsPath", serveCmd.PersistentFlags().Lookup("eth-server-ws-path"))
+
+	// eth ipc json-rpc server
+	viper.BindPFlag("eth.server.ipc", serveCmd.PersistentFlags().Lookup("eth-server-ipc"))
+	viper.BindPFlag("eth.server.ipcPath", serveCmd.PersistentFlags().Lookup("eth-server-ipc-path"))
+
+	// ipld and tracing graphql parameters
+	viper.BindPFlag("ipld.server.graphql", serveCmd.PersistentFlags().Lookup("ipld-server-graphql"))
+	viper.BindPFlag("ipld.server.graphqlPath", serveCmd.PersistentFlags().Lookup("ipld-server-graphql-path"))
+	viper.BindPFlag("ipld.postgraphilePath", serveCmd.PersistentFlags().Lookup("ipld-postgraphile-path"))
+	viper.BindPFlag("tracing.httpPath", serveCmd.PersistentFlags().Lookup("tracing-http-path"))
+	viper.BindPFlag("tracing.postgraphilePath", serveCmd.PersistentFlags().Lookup("tracing-postgraphile-path"))
 
 	viper.BindPFlag("ethereum.httpPath", serveCmd.PersistentFlags().Lookup("eth-http-path"))
 	viper.BindPFlag("ethereum.nodeID", serveCmd.PersistentFlags().Lookup("eth-node-id"))
@@ -153,4 +392,20 @@ func init() {
 	viper.BindPFlag("ethereum.chainID", serveCmd.PersistentFlags().Lookup("eth-chain-id"))
 	viper.BindPFlag("ethereum.defaultSender", serveCmd.PersistentFlags().Lookup("eth-default-sender"))
 	viper.BindPFlag("ethereum.rpcGasCap", serveCmd.PersistentFlags().Lookup("eth-rpc-gas-cap"))
+	viper.BindPFlag("ethereum.chainConfig", serveCmd.PersistentFlags().Lookup("eth-chain-config"))
+	viper.BindPFlag("ethereum.supportsStateDiff", serveCmd.PersistentFlags().Lookup("eth-supports-state-diff"))
+	viper.BindPFlag("ethereum.forwardEthCalls", serveCmd.PersistentFlags().Lookup("eth-forward-eth-calls"))
+	viper.BindPFlag("ethereum.proxyOnError", serveCmd.PersistentFlags().Lookup("eth-proxy-on-error"))
+
+	// groupcache flags
+	viper.BindPFlag("groupcache.pool.enabled", serveCmd.PersistentFlags().Lookup("gcache-pool-enabled"))
+	viper.BindPFlag("groupcache.pool.httpEndpoint", serveCmd.PersistentFlags().Lookup("gcache-pool-http-path"))
+	viper.BindPFlag("groupcache.pool.peerHttpEndpoints", serveCmd.PersistentFlags().Lookup("gcache-pool-http-peers"))
+	viper.BindPFlag("groupcache.statedb.cacheSizeInMB", serveCmd.PersistentFlags().Lookup("gcache-statedb-cache-size"))
+	viper.BindPFlag("groupcache.statedb.cacheExpiryInMins", serveCmd.PersistentFlags().Lookup("gcache-statedb-cache-expiry"))
+	viper.BindPFlag("groupcache.statedb.logStatsIntervalInSecs", serveCmd.PersistentFlags().Lookup("gcache-statedb-log-stats-interval"))
+
+	// state validator flags
+	viper.BindPFlag("validator.enabled", serveCmd.PersistentFlags().Lookup("validator-enabled"))
+	viper.BindPFlag("validator.everyNthBlock", serveCmd.PersistentFlags().Lookup("validator-every-nth-block"))
 }

cmd/subscribe.go

@@ -20,7 +20,6 @@ import (
 	"fmt"
 
 	"github.com/ethereum/go-ethereum/common"
-	"github.com/ethereum/go-ethereum/core/state"
 	"github.com/ethereum/go-ethereum/core/types"
 	"github.com/ethereum/go-ethereum/rlp"
 	"github.com/ethereum/go-ethereum/rpc"
@@ -129,7 +128,7 @@ func subscribe() {
 			}
 			// This assumes leafs only
 			for _, stateNode := range ethData.StateNodes {
-				var acct state.Account
+				var acct types.StateAccount
 				err = rlp.DecodeBytes(stateNode.IPLD.Data, &acct)
 				if err != nil {
 					logWithCommand.Error(err)

cmd/validate.go

@@ -0,0 +1,87 @@
+// Copyright © 2021 Vulcanize, Inc
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Affero General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU Affero General Public License for more details.
+//
+// You should have received a copy of the GNU Affero General Public License
+// along with this program. If not, see <http://www.gnu.org/licenses/>.
+
+package cmd
+
+import (
+	"time"
+
+	"github.com/ethereum/go-ethereum/common"
+	log "github.com/sirupsen/logrus"
+	"github.com/spf13/cobra"
+	"github.com/spf13/viper"
+	validator "github.com/vulcanize/eth-ipfs-state-validator/pkg"
+	ipfsethdb "github.com/vulcanize/ipfs-ethdb/postgres"
+
+	s "github.com/vulcanize/ipld-eth-server/pkg/serve"
+)
+
+const GroupName = "statedb-validate"
+const CacheExpiryInMins = 8 * 60 // 8 hours
+const CacheSizeInMB = 16         // 16 MB
+
+var validateCmd = &cobra.Command{
+	Use:   "validate",
+	Short: "valdiate state",
+	Long:  `This command validates the trie for the given state root`,
+	Run: func(cmd *cobra.Command, args []string) {
+		subCommand = cmd.CalledAs()
+		logWithCommand = *log.WithField("SubCommand", subCommand)
+		validate()
+	},
+}
+
+func validate() {
+	config, err := s.NewConfig()
+	if err != nil {
+		logWithCommand.Fatal(err)
+	}
+
+	stateRootStr := viper.GetString("stateRoot")
+	if stateRootStr == "" {
+		logWithCommand.Fatal("must provide a state root for state validation")
+	}
+
+	stateRoot := common.HexToHash(stateRootStr)
+	cacheSize := viper.GetInt("cacheSize")
+
+	ethDB := ipfsethdb.NewDatabase(config.DB.DB, ipfsethdb.CacheConfig{
+		Name:           GroupName,
+		Size:           cacheSize * 1024 * 1024,
+		ExpiryDuration: time.Minute * time.Duration(CacheExpiryInMins),
+	})
+
+	val := validator.NewValidator(nil, ethDB)
+	if err = val.ValidateTrie(stateRoot); err != nil {
+		log.Fatalln("Error validating state root")
+	}
+
+	stats := ethDB.(*ipfsethdb.Database).GetCacheStats()
+	log.Debugf("groupcache stats %+v", stats)
+
+	log.Infoln("Successfully validated state root")
+}
+
+func init() {
+	rootCmd.AddCommand(validateCmd)
+
+	addDatabaseFlags(validateCmd)
+
+	validateCmd.PersistentFlags().String("state-root", "", "root of the state trie we wish to validate")
+	viper.BindPFlag("stateRoot", validateCmd.PersistentFlags().Lookup("state-root"))
+
+	validateCmd.PersistentFlags().Int("cache-size", CacheSizeInMB, "cache size in MB")
+	viper.BindPFlag("cacheSize", validateCmd.PersistentFlags().Lookup("cache-size"))
+}

db/migrations/00001_create_ipfs_blocks_table.sql

@@ -1,8 +0,0 @@
--- +goose Up
-CREATE TABLE IF NOT EXISTS public.blocks (
-  key TEXT UNIQUE NOT NULL,
-  data BYTEA NOT NULL
-);
-
--- +goose Down
-DROP TABLE public.blocks;

db/migrations/00002_create_nodes_table.sql

@@ -1,12 +0,0 @@
--- +goose Up
-CREATE TABLE nodes (
-  id            SERIAL PRIMARY KEY,
-  client_name   VARCHAR,
-  genesis_block VARCHAR(66),
-  network_id    VARCHAR,
-  node_id       VARCHAR(128),
-  CONSTRAINT node_uc UNIQUE (genesis_block, network_id, node_id)
-);
-
--- +goose Down
-DROP TABLE nodes;

db/migrations/00003_create_eth_schema.sql

@@ -1,5 +0,0 @@
--- +goose Up
-CREATE SCHEMA eth;
-
--- +goose Down
-DROP SCHEMA eth;

db/migrations/00004_create_eth_header_cids_table.sql

@@ -1,23 +0,0 @@
--- +goose Up
-CREATE TABLE eth.header_cids (
-  id                    SERIAL PRIMARY KEY,
-  block_number          BIGINT NOT NULL,
-  block_hash            VARCHAR(66) NOT NULL,
-  parent_hash           VARCHAR(66) NOT NULL,
-  cid                   TEXT NOT NULL,
-  mh_key                TEXT NOT NULL REFERENCES public.blocks (key) ON DELETE CASCADE DEFERRABLE INITIALLY DEFERRED,
-  td                    NUMERIC NOT NULL,
-  node_id               INTEGER NOT NULL REFERENCES nodes (id) ON DELETE CASCADE,
-  reward                NUMERIC NOT NULL,
-  state_root            VARCHAR(66) NOT NULL,
-  tx_root               VARCHAR(66) NOT NULL,
-  receipt_root          VARCHAR(66) NOT NULL,
-  uncle_root            VARCHAR(66) NOT NULL,
-  bloom                 BYTEA NOT NULL,
-  timestamp             NUMERIC NOT NULL,
-  times_validated       INTEGER NOT NULL DEFAULT 1,
-  UNIQUE (block_number, block_hash)
-);
-
--- +goose Down
-DROP TABLE eth.header_cids;

db/migrations/00005_create_eth_uncle_cids_table.sql

@@ -1,14 +0,0 @@
--- +goose Up
-CREATE TABLE eth.uncle_cids (
-  id                    SERIAL PRIMARY KEY,
-  header_id             INTEGER NOT NULL REFERENCES eth.header_cids (id) ON DELETE CASCADE DEFERRABLE INITIALLY DEFERRED,
-  block_hash            VARCHAR(66) NOT NULL,
-  parent_hash           VARCHAR(66) NOT NULL,
-  cid                   TEXT NOT NULL,
-  mh_key                TEXT NOT NULL REFERENCES public.blocks (key) ON DELETE CASCADE DEFERRABLE INITIALLY DEFERRED,
-  reward                NUMERIC NOT NULL,
-  UNIQUE (header_id, block_hash)
-);
-
--- +goose Down
-DROP TABLE eth.uncle_cids;

db/migrations/00006_create_eth_transaction_cids_table.sql

@@ -1,17 +0,0 @@
--- +goose Up
-CREATE TABLE eth.transaction_cids (
-  id                    SERIAL PRIMARY KEY,
-  header_id             INTEGER NOT NULL REFERENCES eth.header_cids (id) ON DELETE CASCADE DEFERRABLE INITIALLY DEFERRED,
-  tx_hash               VARCHAR(66) NOT NULL,
-  index                 INTEGER NOT NULL,
-  cid                   TEXT NOT NULL,
-  mh_key                TEXT NOT NULL REFERENCES public.blocks (key) ON DELETE CASCADE DEFERRABLE INITIALLY DEFERRED,
-  dst                   VARCHAR(66) NOT NULL,
-  src                   VARCHAR(66) NOT NULL,
-  deployment            BOOL NOT NULL,
-  tx_data               BYTEA,
-  UNIQUE (header_id, tx_hash)
-);
-
--- +goose Down
-DROP TABLE eth.transaction_cids;

db/migrations/00007_create_eth_receipt_cids_table.sql

@@ -1,18 +0,0 @@
--- +goose Up
-CREATE TABLE eth.receipt_cids (
-  id                    SERIAL PRIMARY KEY,
-  tx_id                 INTEGER NOT NULL REFERENCES eth.transaction_cids (id) ON DELETE CASCADE DEFERRABLE INITIALLY DEFERRED,
-  cid                   TEXT NOT NULL,
-  mh_key                TEXT NOT NULL REFERENCES public.blocks (key) ON DELETE CASCADE DEFERRABLE INITIALLY DEFERRED,
-  contract              VARCHAR(66),
-  contract_hash         VARCHAR(66),
-  topic0s               VARCHAR(66)[],
-  topic1s               VARCHAR(66)[],
-  topic2s               VARCHAR(66)[],
-  topic3s               VARCHAR(66)[],
-  log_contracts         VARCHAR(66)[],
-  UNIQUE (tx_id)
-);
-
--- +goose Down
-DROP TABLE eth.receipt_cids;

db/migrations/00008_create_eth_state_cids_table.sql

@@ -1,15 +0,0 @@
--- +goose Up
-CREATE TABLE eth.state_cids (
-  id                    SERIAL PRIMARY KEY,
-  header_id             INTEGER NOT NULL REFERENCES eth.header_cids (id) ON DELETE CASCADE DEFERRABLE INITIALLY DEFERRED,
-  state_leaf_key        VARCHAR(66),
-  cid                   TEXT NOT NULL,
-  mh_key                TEXT NOT NULL REFERENCES public.blocks (key) ON DELETE CASCADE DEFERRABLE INITIALLY DEFERRED,
-  state_path            BYTEA,
-  node_type             INTEGER NOT NULL,
-  diff                  BOOLEAN NOT NULL DEFAULT FALSE,
-  UNIQUE (header_id, state_path)
-);
-
--- +goose Down
-DROP TABLE eth.state_cids;

db/migrations/00009_create_eth_storage_cids_table.sql

@@ -1,15 +0,0 @@
--- +goose Up
-CREATE TABLE eth.storage_cids (
-  id                    SERIAL PRIMARY KEY,
-  state_id              INTEGER NOT NULL REFERENCES eth.state_cids (id) ON DELETE CASCADE DEFERRABLE INITIALLY DEFERRED,
-  storage_leaf_key      VARCHAR(66),
-  cid                   TEXT NOT NULL,
-  mh_key                TEXT NOT NULL REFERENCES public.blocks (key) ON DELETE CASCADE DEFERRABLE INITIALLY DEFERRED,
-  storage_path          BYTEA,
-  node_type             INTEGER NOT NULL,
-  diff                  BOOLEAN NOT NULL DEFAULT FALSE,
-  UNIQUE (state_id, storage_path)
-);
-
--- +goose Down
-DROP TABLE eth.storage_cids;

db/migrations/00010_create_eth_state_accouts_table.sql

@@ -1,13 +0,0 @@
--- +goose Up
-CREATE TABLE eth.state_accounts (
-  id                    SERIAL PRIMARY KEY,
-  state_id              INTEGER NOT NULL REFERENCES eth.state_cids (id) ON DELETE CASCADE DEFERRABLE INITIALLY DEFERRED,
-  balance               NUMERIC NOT NULL,
-  nonce                 INTEGER NOT NULL,
-  code_hash             BYTEA NOT NULL,
-  storage_root          VARCHAR(66) NOT NULL,
-  UNIQUE (state_id)
-);
-
--- +goose Down
-DROP TABLE eth.state_accounts;

db/migrations/00011_create_postgraphile_comments.sql

@@ -1,6 +0,0 @@
--- +goose Up
-COMMENT ON TABLE public.nodes IS E'@name NodeInfo';
-COMMENT ON TABLE eth.transaction_cids IS E'@name EthTransactionCids';
-COMMENT ON TABLE eth.header_cids IS E'@name EthHeaderCids';
-COMMENT ON COLUMN public.nodes.node_id IS E'@name ChainNodeID';
-COMMENT ON COLUMN eth.header_cids.node_id IS E'@name EthNodeID';

db/migrations/00012_add_chain_id_to_nodes.sql

@@ -1,21 +0,0 @@
--- +goose Up
-ALTER TABLE public.nodes
-ADD COLUMN chain_id INTEGER DEFAULT 1;
-
-ALTER TABLE public.nodes
-DROP CONSTRAINT node_uc;
-
-ALTER TABLE public.nodes
-ADD CONSTRAINT node_uc
-UNIQUE (genesis_block, network_id, node_id, chain_id);
-
--- +goose Down
-ALTER TABLE public.nodes
-DROP CONSTRAINT node_uc;
-
-ALTER TABLE public.nodes
-ADD CONSTRAINT node_uc
-UNIQUE (genesis_block, network_id, node_id);
-
-ALTER TABLE public.nodes
-DROP COLUMN chain_id;

db/migrations/00013_potgraphile_triggers.sql

@@ -1,69 +0,0 @@
--- +goose Up
--- +goose StatementBegin
-CREATE FUNCTION eth.graphql_subscription() returns TRIGGER as $$
-declare
-    table_name text = TG_ARGV[0];
-    attribute text = TG_ARGV[1];
-    id text;
-begin
-    execute 'select $1.' || quote_ident(attribute)
-        using new
-        into id;
-    perform pg_notify('postgraphile:' || table_name,
-                      json_build_object(
-                              '__node__', json_build_array(
-                              table_name,
-                              id
-                          )
-                          )::text
-        );
-    return new;
-end;
-$$ language plpgsql;
--- +goose StatementEnd
-
-CREATE TRIGGER header_cids_ai
-    after INSERT ON eth.header_cids
-    for each row
-    execute procedure eth.graphql_subscription('header_cids', 'id');
-
-CREATE TRIGGER receipt_cids_ai
-    after INSERT ON eth.receipt_cids
-    for each row
-    execute procedure eth.graphql_subscription('receipt_cids', 'id');
-
-CREATE TRIGGER state_accounts_ai
-    after INSERT ON eth.state_accounts
-    for each row
-    execute procedure eth.graphql_subscription('state_accounts', 'id');
-
-CREATE TRIGGER state_cids_ai
-    after INSERT ON eth.state_cids
-    for each row
-    execute procedure eth.graphql_subscription('state_cids', 'id');
-
-CREATE TRIGGER storage_cids_ai
-    after INSERT ON eth.storage_cids
-    for each row
-    execute procedure eth.graphql_subscription('storage_cids', 'id');
-
-CREATE TRIGGER transaction_cids_ai
-    after INSERT ON eth.transaction_cids
-    for each row
-    execute procedure eth.graphql_subscription('transaction_cids', 'id');
-
-CREATE TRIGGER uncle_cids_ai
-    after INSERT ON eth.uncle_cids
-    for each row
-    execute procedure eth.graphql_subscription('uncle_cids', 'id');
-
--- +goose Down
-DROP TRIGGER uncle_cids_ai ON eth.uncle_cids;
-DROP TRIGGER transaction_cids_ai ON eth.transaction_cids;
-DROP TRIGGER storage_cids_ai ON eth.storage_cids;
-DROP TRIGGER state_cids_ai ON eth.state_cids;
-DROP TRIGGER state_accounts_ai ON eth.state_accounts;
-DROP TRIGGER receipt_cids_ai ON eth.receipt_cids;
-DROP TRIGGER header_cids_ai ON eth.header_cids;
-
-DROP FUNCTION eth.graphql_subscription();

db/migrations/00014_create_cid_indexes.sql

@@ -1,121 +0,0 @@
--- +goose Up
--- header indexes
-CREATE INDEX block_number_index ON eth.header_cids USING brin (block_number);
-
-CREATE INDEX block_hash_index ON eth.header_cids USING btree (block_hash);
-
-CREATE INDEX header_cid_index ON eth.header_cids USING btree (cid);
-
-CREATE INDEX header_mh_index ON eth.header_cids USING btree (mh_key);
-
-CREATE INDEX state_root_index ON eth.header_cids USING btree (state_root);
-
-CREATE INDEX timestamp_index ON eth.header_cids USING brin (timestamp);
-
--- transaction indexes
-CREATE INDEX tx_header_id_index ON eth.transaction_cids USING btree (header_id);
-
-CREATE INDEX tx_hash_index ON eth.transaction_cids USING btree (tx_hash);
-
-CREATE INDEX tx_cid_index ON eth.transaction_cids USING btree (cid);
-
-CREATE INDEX tx_mh_index ON eth.transaction_cids USING btree (mh_key);
-
-CREATE INDEX tx_dst_index ON eth.transaction_cids USING btree (dst);
-
-CREATE INDEX tx_src_index ON eth.transaction_cids USING btree (src);
-
--- receipt indexes
-CREATE INDEX rct_tx_id_index ON eth.receipt_cids USING btree (tx_id);
-
-CREATE INDEX rct_cid_index ON eth.receipt_cids USING btree (cid);
-
-CREATE INDEX rct_mh_index ON eth.receipt_cids USING btree (mh_key);
-
-CREATE INDEX rct_contract_index ON eth.receipt_cids USING btree (contract);
-
-CREATE INDEX rct_contract_hash_index ON eth.receipt_cids USING btree (contract_hash);
-
-CREATE INDEX rct_topic0_index ON eth.receipt_cids USING gin (topic0s);
-
-CREATE INDEX rct_topic1_index ON eth.receipt_cids USING gin (topic1s);
-
-CREATE INDEX rct_topic2_index ON eth.receipt_cids USING gin (topic2s);
-
-CREATE INDEX rct_topic3_index ON eth.receipt_cids USING gin (topic3s);
-
-CREATE INDEX rct_log_contract_index ON eth.receipt_cids USING gin (log_contracts);
-
--- state node indexes
-CREATE INDEX state_header_id_index ON eth.state_cids USING btree (header_id);
-
-CREATE INDEX state_leaf_key_index ON eth.state_cids USING btree (state_leaf_key);
-
-CREATE INDEX state_cid_index ON eth.state_cids USING btree (cid);
-
-CREATE INDEX state_mh_index ON eth.state_cids USING btree (mh_key);
-
-CREATE INDEX state_path_index ON eth.state_cids USING btree (state_path);
-
--- storage node indexes
-CREATE INDEX storage_state_id_index ON eth.storage_cids USING btree (state_id);
-
-CREATE INDEX storage_leaf_key_index ON eth.storage_cids USING btree (storage_leaf_key);
-
-CREATE INDEX storage_cid_index ON eth.storage_cids USING btree (cid);
-
-CREATE INDEX storage_mh_index ON eth.storage_cids USING btree (mh_key);
-
-CREATE INDEX storage_path_index ON eth.storage_cids USING btree (storage_path);
-
--- state accounts indexes
-CREATE INDEX account_state_id_index ON eth.state_accounts USING btree (state_id);
-
-CREATE INDEX storage_root_index ON eth.state_accounts USING btree (storage_root);
-
--- +goose Down
--- state account indexes
-DROP INDEX eth.storage_root_index;
-DROP INDEX eth.account_state_id_index;
-
--- storage node indexes
-DROP INDEX eth.storage_path_index;
-DROP INDEX eth.storage_mh_index;
-DROP INDEX eth.storage_cid_index;
-DROP INDEX eth.storage_leaf_key_index;
-DROP INDEX eth.storage_state_id_index;
-
--- state node indexes
-DROP INDEX eth.state_path_index;
-DROP INDEX eth.state_mh_index;
-DROP INDEX eth.state_cid_index;
-DROP INDEX eth.state_leaf_key_index;
-DROP INDEX eth.state_header_id_index;
-
--- receipt indexes
-DROP INDEX eth.rct_log_contract_index;
-DROP INDEX eth.rct_topic3_index;
-DROP INDEX eth.rct_topic2_index;
-DROP INDEX eth.rct_topic1_index;
-DROP INDEX eth.rct_topic0_index;
-DROP INDEX eth.rct_contract_hash_index;
-DROP INDEX eth.rct_contract_index;
-DROP INDEX eth.rct_mh_index;
-DROP INDEX eth.rct_cid_index;
-DROP INDEX eth.rct_tx_id_index;
-
--- transaction indexes
-DROP INDEX eth.tx_src_index;
-DROP INDEX eth.tx_dst_index;
-DROP INDEX eth.tx_mh_index;
-DROP INDEX eth.tx_cid_index;
-DROP INDEX eth.tx_hash_index;
-DROP INDEX eth.tx_header_id_index;
-
--- header indexes
-DROP INDEX eth.timestamp_index;
-DROP INDEX eth.state_root_index;
-DROP INDEX eth.header_mh_index;
-DROP INDEX eth.header_cid_index;
-DROP INDEX eth.block_hash_index;
-DROP INDEX eth.block_number_index;

db/migrations/00015_create_canonical_hash_finder_functions.sql

@@ -1,48 +0,0 @@
--- +goose Up
--- +goose StatementBegin
--- returns the number of child headers that reference backwards to the header with the provided hash
-CREATE OR REPLACE FUNCTION header_weight(hash VARCHAR(66)) RETURNS BIGINT
-AS $$
-  WITH RECURSIVE validator AS (
-          SELECT block_hash, parent_hash, block_number
-          FROM eth.header_cids
-          WHERE block_hash = hash
-      UNION
-          SELECT eth.header_cids.block_hash, eth.header_cids.parent_hash, eth.header_cids.block_number
-          FROM eth.header_cids
-          INNER JOIN validator
-            ON eth.header_cids.parent_hash = validator.block_hash
-            AND eth.header_cids.block_number = validator.block_number + 1
-  )
-  SELECT COUNT(*) FROM validator;
-$$ LANGUAGE SQL;
--- +goose StatementEnd
-
--- +goose StatementBegin
--- returns the id for the header at the provided height which is heaviest
-CREATE OR REPLACE FUNCTION canonical_header(height BIGINT) RETURNS INT AS
-$BODY$
-DECLARE
-  current_weight INT;
-  heaviest_weight INT DEFAULT 0;
-  heaviest_id INT;
-  r eth.header_cids%ROWTYPE;
-BEGIN
-  FOR r IN SELECT * FROM eth.header_cids
-  WHERE block_number = height
-  LOOP
-    SELECT INTO current_weight * FROM header_weight(r.block_hash);
-    IF current_weight > heaviest_weight THEN
-        heaviest_weight := current_weight;
-        heaviest_id := r.id;
-    END IF;
-  END LOOP;
-  RETURN heaviest_id;
-END
-$BODY$
-LANGUAGE 'plpgsql';
--- +goose StatementEnd
-
--- +goose Down
-DROP FUNCTION header_weight;
-DROP FUNCTION canonical_header;

db/migrations/00016_remove_deployment_from_tx_cids.sql

@@ -1,7 +0,0 @@
--- +goose Up
-ALTER TABLE eth.transaction_cids
-DROP COLUMN deployment;
-
--- +goose Down
-ALTER TABLE eth.transaction_cids
-ADD COLUMN deployment BOOL NOT NULL DEFAULT FALSE;

db/migrations/00017_state_and_storage_ids_use_big_serial.sql

@@ -1,25 +0,0 @@
--- +goose Up
-ALTER TABLE eth.storage_cids
-ALTER COLUMN state_id TYPE BIGINT;
-
-ALTER TABLE eth.state_accounts
-ALTER COLUMN state_id TYPE BIGINT;
-
-ALTER TABLE eth.state_cids
-ALTER COLUMN id TYPE BIGINT;
-
-ALTER TABLE eth.storage_cids
-ALTER COLUMN id TYPE BIGINT;
-
--- +goose Down
-ALTER TABLE eth.storage_cids
-ALTER COLUMN id TYPE INTEGER;
-
-ALTER TABLE eth.state_cids
-ALTER COLUMN id TYPE INTEGER;
-
-ALTER TABLE eth.state_accounts
-ALTER COLUMN state_id TYPE INTEGER;
-
-ALTER TABLE eth.storage_cids
-ALTER COLUMN state_id TYPE INTEGER;

db/migrations/00018_create_check_if_removed_functions.sql

@@ -1,39 +0,0 @@
--- +goose Up
--- +goose StatementBegin
--- returns if a storage node at the provided path was removed in the range > the provided height and <= the provided block hash
-CREATE OR REPLACE FUNCTION was_storage_removed(path BYTEA, height BIGINT, hash VARCHAR(66)) RETURNS BOOLEAN
-AS $$
-  SELECT exists(SELECT 1
-					FROM eth.storage_cids
-            INNER JOIN eth.state_cids ON (storage_cids.state_id = state_cids.id)
-            INNER JOIN eth.header_cids ON (state_cids.header_id = header_cids.id)
-					WHERE storage_path = path
-					AND block_number > height
-					AND block_number <= (SELECT block_number
-										FROM eth.header_cids
-										WHERE block_hash = hash)
-					AND storage_cids.node_type = 3
-					LIMIT 1);
-$$ LANGUAGE SQL;
--- +goose StatementEnd
-
--- +goose StatementBegin
--- returns if a state node at the provided path was removed in the range > the provided height and <= the provided block hash
-CREATE OR REPLACE FUNCTION was_state_removed(path BYTEA, height BIGINT, hash VARCHAR(66)) RETURNS BOOLEAN
-AS $$
-  SELECT exists(SELECT 1
-					FROM eth.state_cids
-            INNER JOIN eth.header_cids ON (state_cids.header_id = header_cids.id)
-					WHERE state_path = path
-					AND block_number > height
-					AND block_number <= (SELECT block_number
-										FROM eth.header_cids
-										WHERE block_hash = hash)
-					AND state_cids.node_type = 3
-					LIMIT 1);
-$$ LANGUAGE SQL;
--- +goose StatementEnd
-
--- +goose Down
-DROP FUNCTION was_storage_removed;
-DROP FUNCTION was_state_removed;

db/migrations/00019_updated_canonical_hash_finder_functions.sql

@@ -1,121 +0,0 @@
--- +goose Up
--- +goose StatementBegin
-CREATE TYPE child_result AS (
-  has_child BOOLEAN,
-  children eth.header_cids[]
-);
-
-CREATE OR REPLACE FUNCTION has_child(hash VARCHAR(66), height BIGINT) RETURNS child_result AS
-$BODY$
-DECLARE
-  child_height INT;
-  temp_child eth.header_cids;
-  new_child_result child_result;
-BEGIN
-  child_height = height + 1;
-  -- short circuit if there are no children
-  SELECT exists(SELECT 1
-                FROM eth.header_cids
-                WHERE parent_hash = hash
-                AND block_number = child_height
-                LIMIT 1)
-  INTO new_child_result.has_child;
-  -- collect all the children for this header
-  IF new_child_result.has_child THEN
-    FOR temp_child IN
-      SELECT * FROM eth.header_cids WHERE parent_hash = hash AND block_number = child_height
-    LOOP
-      new_child_result.children = array_append(new_child_result.children, temp_child);
-    END LOOP;
-  END IF;
-  RETURN new_child_result;
-END
-$BODY$
-LANGUAGE 'plpgsql';
--- +goose StatementEnd
-
--- +goose StatementBegin
-CREATE OR REPLACE FUNCTION canonical_header_from_array(headers eth.header_cids[]) RETURNS eth.header_cids AS
-$BODY$
-DECLARE
-  canonical_header eth.header_cids;
-  canonical_child eth.header_cids;
-  header eth.header_cids;
-  current_child_result child_result;
-  child_headers eth.header_cids[];
-  current_header_with_child eth.header_cids;
-  has_children_count INT DEFAULT 0;
-BEGIN
-  -- for each header in the provided set
-  FOREACH header IN ARRAY headers
-  LOOP
-    -- check if it has any children
-    current_child_result = has_child(header.block_hash, header.block_number);
-    IF current_child_result.has_child THEN
-      -- if it does, take note
-      has_children_count = has_children_count + 1;
-      current_header_with_child = header;
-      -- and add the children to the growing set of child headers
-      child_headers = array_cat(child_headers, current_child_result.children);
-    END IF;
-  END LOOP;
-  -- if none of the headers had children, none is more canonical than the other
-  IF has_children_count = 0 THEN
-    -- return the first one selected
-    SELECT * INTO canonical_header FROM unnest(headers) LIMIT 1;
-  -- if only one header had children, it can be considered the heaviest/canonical header of the set
-  ELSIF has_children_count = 1 THEN
-    -- return the only header with a child
-    canonical_header = current_header_with_child;
-  -- if there are multiple headers with children
-  ELSE
-    -- find the canonical header from the child set
-    canonical_child = canonical_header_from_array(child_headers);
-    -- the header that is parent to this header, is the canonical header at this level
-    SELECT * INTO canonical_header FROM unnest(headers)
-    WHERE block_hash = canonical_child.parent_hash;
-  END IF;
-  RETURN canonical_header;
-END
-$BODY$
-LANGUAGE 'plpgsql';
--- +goose StatementEnd
-
--- +goose StatementBegin
-CREATE OR REPLACE FUNCTION canonical_header_id(height BIGINT) RETURNS INTEGER AS
-$BODY$
-DECLARE
-  canonical_header eth.header_cids;
-  headers eth.header_cids[];
-  header_count INT;
-  temp_header eth.header_cids;
-BEGIN
-  -- collect all headers at this height
-  FOR temp_header IN
-    SELECT * FROM eth.header_cids WHERE block_number = height
-  LOOP
-    headers = array_append(headers, temp_header);
-  END LOOP;
-  -- count the number of headers collected
-  header_count = array_length(headers, 1);
-  -- if we have less than 1 header, return NULL
-  IF header_count IS NULL OR header_count < 1 THEN
-    RETURN NULL;
-  -- if we have one header, return its id
-  ELSIF header_count = 1 THEN
-    RETURN headers[1].id;
-  -- if we have multiple headers we need to determine which one is canonical
-  ELSE
-    canonical_header = canonical_header_from_array(headers);
-    RETURN canonical_header.id;
-  END IF;
-END;
-$BODY$
-LANGUAGE 'plpgsql';
--- +goose StatementEnd
-
--- +goose Down
-DROP FUNCTION canonical_header_id;
-DROP FUNCTION canonical_header_from_array;
-DROP FUNCTION has_child;
-DROP TYPE child_result;

db/migrations/00020_add_poststate_and_status_to_receipt_cids.sql

@@ -1,13 +0,0 @@
--- +goose Up
-ALTER TABLE eth.receipt_cids
-ADD COLUMN post_state VARCHAR(66);
-
-ALTER TABLE eth.receipt_cids
-ADD COLUMN post_status INTEGER;
-
--- +goose Down
-ALTER TABLE eth.receipt_cids
-DROP COLUMN post_status;
-
-ALTER TABLE eth.receipt_cids
-DROP COLUMN post_state;

docker-compose.test.yml

@@ -0,0 +1,14 @@
+version: '3.2'
+
+services:
+  contract:
+    depends_on:
+      - dapptools
+    build:
+      context: ./test/contract
+      args:
+        ETH_ADDR: "http://dapptools:8545"
+    environment:
+      ETH_ADDR: "http://dapptools:8545"
+    ports:
+      - "127.0.0.1:3000:3000"

docker-compose.yml

@@ -3,66 +3,68 @@ version: '3.2'
 services:
   dapptools:
     restart: unless-stopped
-    image: vulcanize/dapptools:v0.29.0-statediff-0.0.2
+    depends_on:
+      - ipld-eth-db
+    image: vulcanize/dapptools:v0.30.0-v1.10.14-statediff-0.0.29
+    environment:
+      DB_USER: vdbm
+      DB_NAME: vulcanize_testing
+      DB_HOST: ipld-eth-db
+      DB_PORT: 5432
+      DB_PASSWORD: password
+      DB_WRITE: $DB_WRITE
     ports:
       - "127.0.0.1:8545:8545"
       - "127.0.0.1:8546:8546"
 
-  db:
+  ipld-eth-db:
     restart: always
-    image: postgres:10.12-alpine
+    image: vulcanize/ipld-eth-db:v0.2.0
     environment:
       POSTGRES_USER: "vdbm"
-      POSTGRES_DB: "vulcanize_public"
+      POSTGRES_DB: "vulcanize_testing"
       POSTGRES_PASSWORD: "password"
     volumes:
      - vdb_db_eth_server:/var/lib/postgresql/data
     ports:
      - "127.0.0.1:8077:5432"
-
-  eth-indexer:
-    restart: unless-stopped
-    depends_on:
-      - db
-      - dapptools
-    image: vulcanize/ipld-eth-indexer:v0.3.0-alpha
-    environment:
-      DATABASE_NAME: vulcanize_public
-      DATABASE_HOSTNAME: db
-      DATABASE_PORT: 5432
-      DATABASE_USER: vdbm
-      DATABASE_PASSWORD: password
-      ETH_WS_PATH: "dapptools:8546"
-      ETH_HTTP_PATH: "dapptools:8545"
-      ETH_CHAIN_ID: 4
-      ETH_NETWORK_ID: 4
-      VDB_COMMAND: sync
+    command: ["postgres", "-c", "log_statement=all"]
 
   eth-server:
+    restart: unless-stopped
     depends_on:
-      - db
+      - ipld-eth-db
     build:
       context: ./
       cache_from:
        - alpine:latest
        - golang:1.13-alpine
     environment:
+      IPLD_SERVER_GRAPHQL: "true"
+      IPLD_POSTGRAPHILEPATH: http://graphql:5000
+      ETH_SERVER_HTTPPATH: 0.0.0.0:8081
       VDB_COMMAND: "serve"
-      DATABASE_NAME: "vulcanize_public"
-      DATABASE_HOSTNAME: "db"
+      ETH_CHAIN_CONFIG: "/tmp/chain.json"
+      DATABASE_NAME: "vulcanize_testing"
+      DATABASE_HOSTNAME: "ipld-eth-db"
       DATABASE_PORT: 5432
       DATABASE_USER: "vdbm"
       DATABASE_PASSWORD: "password"
-      SERVER_WS_PATH: "0.0.0.0:8081"
-      SERVER_HTTP_PATH: "0.0.0.0:8082"
+      ETH_CHAIN_ID: 4
+      ETH_FORWARD_ETH_CALLS: $ETH_FORWARD_ETH_CALLS
+      ETH_PROXY_ON_ERROR: $ETH_PROXY_ON_ERROR
+      ETH_HTTP_PATH: $ETH_HTTP_PATH
+    volumes:
+    - type: bind
+      source: ./chain.json
+      target: /tmp/chain.json
     ports:
-     - "127.0.0.1:8080:8080"
      - "127.0.0.1:8081:8081"
 
   graphql:
     restart: unless-stopped
     depends_on:
-      - db
+      - ipld-eth-db
     image: vulcanize/postgraphile:v1.0.1
     environment:
       - PG_HOST=db

entrypoint.sh

@@ -1,20 +1,4 @@
 #!/bin/sh
-# Runs the db migrations and starts the watcher services
-
-# Construct the connection string for postgres
-VDB_PG_CONNECT=postgresql://$DATABASE_USER:$DATABASE_PASSWORD@$DATABASE_HOSTNAME:$DATABASE_PORT/$DATABASE_NAME?sslmode=disable
-
-# Run the DB migrations
-echo "Connecting with: $VDB_PG_CONNECT"
-echo "Running database migrations"
-./goose -dir migrations/vulcanizedb postgres "$VDB_PG_CONNECT" up
-rv=$?
-
-if [ $rv != 0 ]; then
-  echo "Could not run migrations. Are the database details correct?"
-  exit 1
-fi
-
 
 echo "Beginning the ipld-eth-server process"
 

environments/example.toml

@@ -21,7 +21,9 @@
     rpcGasCap = "1000000000000" # $ETH_RPC_GAS_CAP
     httpPath = "127.0.0.1:8545" # $ETH_HTTP_PATH
     supportsStateDiff = true # $ETH_SUPPORTS_STATEDIFF
+    forwardEthCalls = false # $ETH_FORWARD_ETH_CALLS
+    proxyOnError = true # $ETH_PROXY_ON_ERROR
     nodeID = "arch1" # $ETH_NODE_ID
     clientName = "Geth" # $ETH_CLIENT_NAME
     genesisBlock = "0xd4e56740f876aef8c010b86a40d5f56745a118d0906a34e69aec8c0db1cb8fa3" # $ETH_GENESIS_BLOCK
-    networkID = "1" # $ETH_NETWORK_ID
+    networkID = "1" # $ETH_NETWORK_ID

go.mod

@@ -1,29 +1,38 @@
 module github.com/vulcanize/ipld-eth-server
 
-go 1.13
+go 1.15
 
 require (
-	github.com/ethereum/go-ethereum v1.9.25
-	github.com/graph-gophers/graphql-go v0.0.0-20201003130358-c5bdf3b1108e
-	github.com/ipfs/go-block-format v0.0.2
+	github.com/ethereum/go-ethereum v1.10.14
+	github.com/fsnotify/fsnotify v1.5.1 // indirect
+	github.com/graph-gophers/graphql-go v0.0.0-20201113091052-beb923fada29
+	github.com/ipfs/go-block-format v0.0.3
+	github.com/ipfs/go-blockservice v0.1.7
 	github.com/ipfs/go-cid v0.0.7
+	github.com/ipfs/go-ipfs v0.10.0
 	github.com/ipfs/go-ipfs-blockstore v1.0.1
 	github.com/ipfs/go-ipfs-ds-help v1.0.0
 	github.com/ipfs/go-ipld-format v0.2.0
 	github.com/jmoiron/sqlx v1.2.0
-	github.com/lib/pq v1.8.0
-	github.com/multiformats/go-multihash v0.0.14
-	github.com/onsi/ginkgo v1.15.0
-	github.com/onsi/gomega v1.10.1
-	github.com/prometheus/client_golang v1.5.1
-	github.com/sirupsen/logrus v1.6.0
-	github.com/spf13/cobra v1.0.0
+	github.com/lib/pq v1.10.4
+	github.com/machinebox/graphql v0.2.2
+	github.com/mailgun/groupcache/v2 v2.2.1
+	github.com/matryer/is v1.4.0 // indirect
+	github.com/multiformats/go-multihash v0.0.15
+	github.com/onsi/ginkgo v1.16.5
+	github.com/onsi/gomega v1.13.0
+	github.com/prometheus/client_golang v1.11.0
+	github.com/shirou/gopsutil v3.21.5+incompatible // indirect
+	github.com/sirupsen/logrus v1.7.0
+	github.com/spf13/cobra v1.1.1
 	github.com/spf13/viper v1.7.0
-	github.com/vulcanize/ipld-eth-indexer v0.7.1-alpha
-	github.com/vulcanize/ipfs-ethdb v0.0.2-alpha
-	golang.org/x/sys v0.0.0-20210218155724-8ebf48af031b // indirect
+	github.com/tklauser/go-sysconf v0.3.6 // indirect
+	github.com/vulcanize/eth-ipfs-state-validator v0.1.0
+	github.com/vulcanize/gap-filler v0.3.1
+	github.com/vulcanize/ipfs-ethdb v0.0.6
+	golang.org/x/crypto v0.0.0-20211202192323-5770296d904e // indirect
+	golang.org/x/sys v0.0.0-20211205182925-97ca703d548d // indirect
+	golang.org/x/tools v0.1.8 // indirect
 )
 
-replace github.com/ethereum/go-ethereum v1.9.25 => github.com/vulcanize/go-ethereum v1.9.25-statediff-0.0.15
-
-replace github.com/vulcanize/ipfs-ethdb v0.0.2-alpha => github.com/vulcanize/pg-ipfs-ethdb v0.0.2-alpha
+replace github.com/ethereum/go-ethereum v1.10.14 => github.com/vulcanize/go-ethereum v1.10.14-statediff-0.0.29

pkg/eth/api.go

@@ -18,27 +18,30 @@ package eth
 
 import (
 	"context"
+	"database/sql"
 	"encoding/json"
 	"errors"
 	"fmt"
-	"math"
+	"io"
 	"math/big"
+	"strconv"
 	"time"
 
-	"github.com/ethereum/go-ethereum"
+	"github.com/ethereum/go-ethereum/accounts/abi"
 	"github.com/ethereum/go-ethereum/common"
 	"github.com/ethereum/go-ethereum/common/hexutil"
+	"github.com/ethereum/go-ethereum/common/math"
 	"github.com/ethereum/go-ethereum/core"
+	"github.com/ethereum/go-ethereum/core/state"
 	"github.com/ethereum/go-ethereum/core/types"
 	"github.com/ethereum/go-ethereum/crypto"
+	"github.com/ethereum/go-ethereum/eth/filters"
 	"github.com/ethereum/go-ethereum/ethclient"
-	"github.com/ethereum/go-ethereum/params"
 	"github.com/ethereum/go-ethereum/rlp"
 	"github.com/ethereum/go-ethereum/rpc"
 	"github.com/ethereum/go-ethereum/statediff"
 	"github.com/sirupsen/logrus"
 
-	"github.com/vulcanize/ipld-eth-indexer/pkg/eth"
 	"github.com/vulcanize/ipld-eth-server/pkg/shared"
 )
 
@@ -48,18 +51,27 @@ const APIName = "eth"
 // APIVersion is the version of the watcher's eth api
 const APIVersion = "0.0.1"
 
+// PublicEthAPI is the eth namespace API
 type PublicEthAPI struct {
 	// Local db backend
 	B *Backend
 
 	// Proxy node for forwarding cache misses
-	supportsStateDiff bool // Whether or not the remote node supports the statediff_writeStateDiffAt endpoint, if it does we can fill the local cache when we hit a miss
+	supportsStateDiff bool // Whether the remote node supports the statediff_writeStateDiffAt endpoint, if it does we can fill the local cache when we hit a miss
 	rpc               *rpc.Client
 	ethClient         *ethclient.Client
+	forwardEthCalls   bool // if true, forward eth_call calls directly to the configured proxy node
+	proxyOnError      bool // turn on regular proxy fall-through on errors; needed to test difference between direct and indirect fall-through
 }
 
 // NewPublicEthAPI creates a new PublicEthAPI with the provided underlying Backend
-func NewPublicEthAPI(b *Backend, client *rpc.Client, supportsStateDiff bool) *PublicEthAPI {
+func NewPublicEthAPI(b *Backend, client *rpc.Client, supportsStateDiff, forwardEthCalls, proxyOnError bool) (*PublicEthAPI, error) {
+	if forwardEthCalls && client == nil {
+		return nil, errors.New("ipld-eth-server is configured to forward eth_calls to proxy node but no proxy node is configured")
+	}
+	if proxyOnError && client == nil {
+		return nil, errors.New("ipld-eth-server is configured to forward all calls to proxy node on errors but no proxy node is configured")
+	}
 	var ethClient *ethclient.Client
 	if client != nil {
 		ethClient = ethclient.NewClient(client)
@@ -69,7 +81,9 @@ func NewPublicEthAPI(b *Backend, client *rpc.Client, supportsStateDiff bool) *Pu
 		supportsStateDiff: supportsStateDiff,
 		rpc:               client,
 		ethClient:         ethClient,
-	}
+		forwardEthCalls:   forwardEthCalls,
+		proxyOnError:      proxyOnError,
+	}, nil
 }
 
 /*
@@ -86,12 +100,13 @@ func (pea *PublicEthAPI) GetHeaderByNumber(ctx context.Context, number rpc.Block
 	if header != nil && err == nil {
 		return pea.rpcMarshalHeader(header)
 	}
-	if pea.ethClient != nil {
+	if pea.proxyOnError {
 		if header, err := pea.ethClient.HeaderByNumber(ctx, big.NewInt(number.Int64())); header != nil && err == nil {
 			go pea.writeStateDiffAt(number.Int64())
 			return pea.rpcMarshalHeader(header)
 		}
 	}
+
 	return nil, err
 }
 
@@ -103,7 +118,8 @@ func (pea *PublicEthAPI) GetHeaderByHash(ctx context.Context, hash common.Hash)
 			return res
 		}
 	}
-	if pea.ethClient != nil {
+
+	if pea.proxyOnError {
 		if header, err := pea.ethClient.HeaderByHash(ctx, hash); header != nil && err == nil {
 			go pea.writeStateDiffFor(hash)
 			if res, err := pea.rpcMarshalHeader(header); err != nil {
@@ -111,6 +127,7 @@ func (pea *PublicEthAPI) GetHeaderByHash(ctx context.Context, hash common.Hash)
 			}
 		}
 	}
+
 	return nil
 }
 
@@ -121,7 +138,9 @@ func (pea *PublicEthAPI) rpcMarshalHeader(header *types.Header) (map[string]inte
 	if err != nil {
 		return nil, err
 	}
+
 	fields["totalDifficulty"] = (*hexutil.Big)(td)
+
 	return fields, nil
 }
 
@@ -141,12 +160,14 @@ func (pea *PublicEthAPI) GetBlockByNumber(ctx context.Context, number rpc.BlockN
 	if block != nil && err == nil {
 		return pea.rpcMarshalBlock(block, true, fullTx)
 	}
-	if pea.ethClient != nil {
+
+	if pea.proxyOnError {
 		if block, err := pea.ethClient.BlockByNumber(ctx, big.NewInt(number.Int64())); block != nil && err == nil {
 			go pea.writeStateDiffAt(number.Int64())
 			return pea.rpcMarshalBlock(block, true, fullTx)
 		}
 	}
+
 	return nil, err
 }
 
@@ -157,15 +178,35 @@ func (pea *PublicEthAPI) GetBlockByHash(ctx context.Context, hash common.Hash, f
 	if block != nil && err == nil {
 		return pea.rpcMarshalBlock(block, true, fullTx)
 	}
-	if pea.ethClient != nil {
+
+	if pea.proxyOnError {
 		if block, err := pea.ethClient.BlockByHash(ctx, hash); block != nil && err == nil {
 			go pea.writeStateDiffFor(hash)
 			return pea.rpcMarshalBlock(block, true, fullTx)
 		}
 	}
+
 	return nil, err
 }
 
+// ChainId is the EIP-155 replay-protection chain id for the current ethereum chain config.
+func (pea *PublicEthAPI) ChainId() (*hexutil.Big, error) {
+	block, err := pea.B.CurrentBlock()
+	if err != nil {
+		if pea.proxyOnError {
+			if id, err := pea.ethClient.ChainID(context.Background()); err == nil {
+				return (*hexutil.Big)(id), nil
+			}
+		}
+		return nil, err
+	}
+
+	if config := pea.B.Config.ChainConfig; config.IsEIP155(block.Number()) {
+		return (*hexutil.Big)(config.ChainID), nil
+	}
+	return nil, fmt.Errorf("chain not synced beyond EIP-155 replay-protection fork block")
+}
+
 /*
 
 Uncles
@@ -185,12 +226,14 @@ func (pea *PublicEthAPI) GetUncleByBlockNumberAndIndex(ctx context.Context, bloc
 		block = types.NewBlockWithHeader(uncles[index])
 		return pea.rpcMarshalBlock(block, false, false)
 	}
-	if pea.rpc != nil {
+
+	if pea.proxyOnError {
 		if uncle, uncleHashes, err := getBlockAndUncleHashes(pea.rpc, ctx, "eth_getUncleByBlockNumberAndIndex", blockNr, index); uncle != nil && err == nil {
 			go pea.writeStateDiffAt(blockNr.Int64())
 			return pea.rpcMarshalBlockWithUncleHashes(uncle, uncleHashes, false, false)
 		}
 	}
+
 	return nil, err
 }
 
@@ -207,12 +250,14 @@ func (pea *PublicEthAPI) GetUncleByBlockHashAndIndex(ctx context.Context, blockH
 		block = types.NewBlockWithHeader(uncles[index])
 		return pea.rpcMarshalBlock(block, false, false)
 	}
-	if pea.rpc != nil {
+
+	if pea.proxyOnError {
 		if uncle, uncleHashes, err := getBlockAndUncleHashes(pea.rpc, ctx, "eth_getUncleByBlockHashAndIndex", blockHash, index); uncle != nil && err == nil {
 			go pea.writeStateDiffFor(blockHash)
 			return pea.rpcMarshalBlockWithUncleHashes(uncle, uncleHashes, false, false)
 		}
 	}
+
 	return nil, err
 }
 
@@ -222,13 +267,15 @@ func (pea *PublicEthAPI) GetUncleCountByBlockNumber(ctx context.Context, blockNr
 		n := hexutil.Uint(len(block.Uncles()))
 		return &n
 	}
-	if pea.rpc != nil {
+
+	if pea.proxyOnError {
 		var num *hexutil.Uint
 		if err := pea.rpc.CallContext(ctx, &num, "eth_getUncleCountByBlockNumber", blockNr); num != nil && err == nil {
 			go pea.writeStateDiffAt(blockNr.Int64())
 			return num
 		}
 	}
+
 	return nil
 }
 
@@ -238,13 +285,15 @@ func (pea *PublicEthAPI) GetUncleCountByBlockHash(ctx context.Context, blockHash
 		n := hexutil.Uint(len(block.Uncles()))
 		return &n
 	}
-	if pea.rpc != nil {
+
+	if pea.proxyOnError {
 		var num *hexutil.Uint
 		if err := pea.rpc.CallContext(ctx, &num, "eth_getUncleCountByBlockHash", blockHash); num != nil && err == nil {
 			go pea.writeStateDiffFor(blockHash)
 			return num
 		}
 	}
+
 	return nil
 }
 
@@ -260,13 +309,15 @@ func (pea *PublicEthAPI) GetTransactionCount(ctx context.Context, address common
 	if count != nil && err == nil {
 		return count, nil
 	}
-	if pea.rpc != nil {
+
+	if pea.proxyOnError {
 		var num *hexutil.Uint64
 		if err := pea.rpc.CallContext(ctx, &num, "eth_getTransactionCount", address, blockNrOrHash); num != nil && err == nil {
 			go pea.writeStateDiffAtOrFor(blockNrOrHash)
 			return num, nil
 		}
 	}
+
 	return nil, err
 }
 
@@ -275,6 +326,7 @@ func (pea *PublicEthAPI) localGetTransactionCount(ctx context.Context, address c
 	if err != nil {
 		return nil, err
 	}
+
 	nonce := hexutil.Uint64(account.Nonce)
 	return &nonce, nil
 }
@@ -285,13 +337,15 @@ func (pea *PublicEthAPI) GetBlockTransactionCountByNumber(ctx context.Context, b
 		n := hexutil.Uint(len(block.Transactions()))
 		return &n
 	}
-	if pea.rpc != nil {
+
+	if pea.proxyOnError {
 		var num *hexutil.Uint
 		if err := pea.rpc.CallContext(ctx, &num, "eth_getBlockTransactionCountByNumber", blockNr); num != nil && err == nil {
 			go pea.writeStateDiffAt(blockNr.Int64())
 			return num
 		}
 	}
+
 	return nil
 }
 
@@ -301,13 +355,15 @@ func (pea *PublicEthAPI) GetBlockTransactionCountByHash(ctx context.Context, blo
 		n := hexutil.Uint(len(block.Transactions()))
 		return &n
 	}
-	if pea.rpc != nil {
+
+	if pea.proxyOnError {
 		var num *hexutil.Uint
 		if err := pea.rpc.CallContext(ctx, &num, "eth_getBlockTransactionCountByHash", blockHash); num != nil && err == nil {
 			go pea.writeStateDiffFor(blockHash)
 			return num
 		}
 	}
+
 	return nil
 }
 
@@ -316,13 +372,15 @@ func (pea *PublicEthAPI) GetTransactionByBlockNumberAndIndex(ctx context.Context
 	if block, _ := pea.B.BlockByNumber(ctx, blockNr); block != nil {
 		return newRPCTransactionFromBlockIndex(block, uint64(index))
 	}
-	if pea.rpc != nil {
+
+	if pea.proxyOnError {
 		var tx *RPCTransaction
 		if err := pea.rpc.CallContext(ctx, &tx, "eth_getTransactionByBlockNumberAndIndex", blockNr, index); tx != nil && err == nil {
 			go pea.writeStateDiffAt(blockNr.Int64())
 			return tx
 		}
 	}
+
 	return nil
 }
 
@@ -331,13 +389,15 @@ func (pea *PublicEthAPI) GetTransactionByBlockHashAndIndex(ctx context.Context,
 	if block, _ := pea.B.BlockByHash(ctx, blockHash); block != nil {
 		return newRPCTransactionFromBlockIndex(block, uint64(index))
 	}
-	if pea.rpc != nil {
+
+	if pea.proxyOnError {
 		var tx *RPCTransaction
 		if err := pea.rpc.CallContext(ctx, &tx, "eth_getTransactionByBlockHashAndIndex", blockHash, index); tx != nil && err == nil {
 			go pea.writeStateDiffFor(blockHash)
 			return tx
 		}
 	}
+
 	return nil
 }
 
@@ -346,7 +406,7 @@ func (pea *PublicEthAPI) GetRawTransactionByBlockNumberAndIndex(ctx context.Cont
 	if block, _ := pea.B.BlockByNumber(ctx, blockNr); block != nil {
 		return newRPCRawTransactionFromBlockIndex(block, uint64(index))
 	}
-	if pea.rpc != nil {
+	if pea.proxyOnError {
 		var tx hexutil.Bytes
 		if err := pea.rpc.CallContext(ctx, &tx, "eth_getRawTransactionByBlockNumberAndIndex", blockNr, index); tx != nil && err == nil {
 			go pea.writeStateDiffAt(blockNr.Int64())
@@ -361,7 +421,7 @@ func (pea *PublicEthAPI) GetRawTransactionByBlockHashAndIndex(ctx context.Contex
 	if block, _ := pea.B.BlockByHash(ctx, blockHash); block != nil {
 		return newRPCRawTransactionFromBlockIndex(block, uint64(index))
 	}
-	if pea.rpc != nil {
+	if pea.proxyOnError {
 		var tx hexutil.Bytes
 		if err := pea.rpc.CallContext(ctx, &tx, "eth_getRawTransactionByBlockHashAndIndex", blockHash, index); tx != nil && err == nil {
 			go pea.writeStateDiffFor(blockHash)
@@ -376,9 +436,14 @@ func (pea *PublicEthAPI) GetRawTransactionByBlockHashAndIndex(ctx context.Contex
 func (pea *PublicEthAPI) GetTransactionByHash(ctx context.Context, hash common.Hash) (*RPCTransaction, error) {
 	tx, blockHash, blockNumber, index, err := pea.B.GetTransaction(ctx, hash)
 	if tx != nil && err == nil {
-		return NewRPCTransaction(tx, blockHash, blockNumber, index), nil
+		header, err := pea.B.HeaderByHash(ctx, blockHash)
+		if err != nil {
+			return nil, err
+		}
+
+		return NewRPCTransaction(tx, blockHash, blockNumber, index, header.BaseFee), nil
 	}
-	if pea.rpc != nil {
+	if pea.proxyOnError {
 		var tx *RPCTransaction
 		if err := pea.rpc.CallContext(ctx, &tx, "eth_getTransactionByHash", hash); tx != nil && err == nil {
 			go pea.writeStateDiffFor(hash)
@@ -395,7 +460,7 @@ func (pea *PublicEthAPI) GetRawTransactionByHash(ctx context.Context, hash commo
 	if tx != nil && err == nil {
 		return rlp.EncodeToBytes(tx)
 	}
-	if pea.rpc != nil {
+	if pea.proxyOnError {
 		var tx hexutil.Bytes
 		if err := pea.rpc.CallContext(ctx, &tx, "eth_getRawTransactionByHash", hash); tx != nil && err == nil {
 			go pea.writeStateDiffFor(hash)
@@ -417,7 +482,7 @@ func (pea *PublicEthAPI) GetTransactionReceipt(ctx context.Context, hash common.
 	if receipt != nil && err == nil {
 		return receipt, nil
 	}
-	if pea.rpc != nil {
+	if pea.proxyOnError {
 		if receipt := pea.remoteGetTransactionReceipt(ctx, hash); receipt != nil {
 			go pea.writeStateDiffFor(hash)
 			return receipt, nil
@@ -439,6 +504,14 @@ func (pea *PublicEthAPI) localGetTransactionReceipt(ctx context.Context, hash co
 	if err != nil {
 		return nil, err
 	}
+	block, err := pea.B.BlockByHash(ctx, blockHash)
+	if err != nil {
+		return nil, err
+	}
+	err = receipts.DeriveFields(pea.B.Config.ChainConfig, blockHash, blockNumber, block.Transactions())
+	if err != nil {
+		return nil, err
+	}
 	if len(receipts) <= int(index) {
 		return nil, nil
 	}
@@ -505,30 +578,30 @@ func (pea *PublicEthAPI) remoteGetTransactionReceipt(ctx context.Context, hash c
 // GetLogs returns logs matching the given argument that are stored within the state.
 //
 // https://github.com/ethereum/wiki/wiki/JSON-RPC#eth_getlogs
-func (pea *PublicEthAPI) GetLogs(ctx context.Context, crit ethereum.FilterQuery) ([]*types.Log, error) {
-	logs, err := pea.localGetLogs(ctx, crit)
-	if err != nil && pea.rpc != nil {
-		if arg, err := toFilterArg(crit); err == nil {
-			var res []*types.Log
-			if err := pea.rpc.CallContext(ctx, &res, "eth_getLogs", arg); err == nil {
-				go pea.writeStateDiffWithCriteria(crit)
-				return res, nil
-			}
+func (pea *PublicEthAPI) GetLogs(ctx context.Context, crit filters.FilterCriteria) ([]*types.Log, error) {
+	logs, err := pea.localGetLogs(crit)
+	if err != nil && pea.proxyOnError {
+		var res []*types.Log
+		if err := pea.rpc.CallContext(ctx, &res, "eth_getLogs", crit); err == nil {
+			go pea.writeStateDiffWithCriteria(crit)
+			return res, nil
 		}
 	}
 	return logs, err
 }
 
-func (pea *PublicEthAPI) localGetLogs(ctx context.Context, crit ethereum.FilterQuery) ([]*types.Log, error) {
+func (pea *PublicEthAPI) localGetLogs(crit filters.FilterCriteria) ([]*types.Log, error) {
 	// TODO: this can be optimized away from using the old cid retriever and ipld fetcher interfaces
 	// Convert FilterQuery into ReceiptFilter
 	addrStrs := make([]string, len(crit.Addresses))
 	for i, addr := range crit.Addresses {
 		addrStrs[i] = addr.String()
 	}
-	topicStrSets := make([][]string, 4)
+
+	topicStrSets := make([][]string, len(crit.Topics))
 	for i, topicSet := range crit.Topics {
 		if i > 3 {
+			topicStrSets = topicStrSets[:4]
 			// don't allow more than 4 topics
 			break
 		}
@@ -557,21 +630,16 @@ func (pea *PublicEthAPI) localGetLogs(ctx context.Context, crit ethereum.FilterQ
 		}
 	}()
 
-	// If we have a blockhash to filter on, fire off single retrieval query
+	// If we have a blockHash to filter on, fire off single retrieval query
 	if crit.BlockHash != nil {
-		rctCIDs, err := pea.B.Retriever.RetrieveRctCIDs(tx, filter, 0, crit.BlockHash, nil)
+		filteredLogs, err := pea.B.Retriever.RetrieveFilteredLog(tx, filter, 0, crit.BlockHash)
 		if err != nil {
 			return nil, err
 		}
-		rctIPLDs, err := pea.B.Fetcher.FetchRcts(tx, rctCIDs)
-		if err != nil {
-			return nil, err
-		}
-		if err := tx.Commit(); err != nil {
-			return nil, err
-		}
-		return extractLogsOfInterest(rctIPLDs, filter.Topics)
+
+		return decomposeLogs(filteredLogs)
 	}
+
 	// Otherwise, create block range from criteria
 	// nil values are filled in; to request a single block have both ToBlock and FromBlock equal that number
 	startingBlock := crit.FromBlock
@@ -579,6 +647,7 @@ func (pea *PublicEthAPI) localGetLogs(ctx context.Context, crit ethereum.FilterQ
 	if startingBlock == nil {
 		startingBlock = common.Big0
 	}
+
 	if endingBlock == nil {
 		endingBlockInt, err := pea.B.Retriever.RetrieveLastBlockNumber()
 		if err != nil {
@@ -586,24 +655,28 @@ func (pea *PublicEthAPI) localGetLogs(ctx context.Context, crit ethereum.FilterQ
 		}
 		endingBlock = big.NewInt(endingBlockInt)
 	}
+
 	start := startingBlock.Int64()
 	end := endingBlock.Int64()
-	allRctCIDs := make([]eth.ReceiptModel, 0)
+	var logs []*types.Log
 	for i := start; i <= end; i++ {
-		rctCIDs, err := pea.B.Retriever.RetrieveRctCIDs(tx, filter, i, nil, nil)
+		filteredLogs, err := pea.B.Retriever.RetrieveFilteredLog(tx, filter, i, nil)
 		if err != nil {
 			return nil, err
 		}
-		allRctCIDs = append(allRctCIDs, rctCIDs...)
-	}
-	rctIPLDs, err := pea.B.Fetcher.FetchRcts(tx, allRctCIDs)
-	if err != nil {
-		return nil, err
+
+		logCIDs, err := decomposeLogs(filteredLogs)
+		if err != nil {
+			return nil, err
+		}
+
+		logs = append(logs, logCIDs...)
 	}
+
 	if err := tx.Commit(); err != nil {
 		return nil, err
 	}
-	logs, err := extractLogsOfInterest(rctIPLDs, filter.Topics)
+
 	return logs, err // need to return err variable so that we return the err = tx.Commit() assignment in the defer
 }
 
@@ -621,13 +694,17 @@ func (pea *PublicEthAPI) GetBalance(ctx context.Context, address common.Address,
 	if bal != nil && err == nil {
 		return bal, nil
 	}
-	if pea.rpc != nil {
+	if pea.proxyOnError {
 		var res *hexutil.Big
 		if err := pea.rpc.CallContext(ctx, &res, "eth_getBalance", address, blockNrOrHash); res != nil && err == nil {
 			go pea.writeStateDiffAtOrFor(blockNrOrHash)
 			return res, nil
 		}
 	}
+	if err == sql.ErrNoRows {
+		return (*hexutil.Big)(big.NewInt(0)), nil
+	}
+
 	return nil, err
 }
 
@@ -645,15 +722,28 @@ func (pea *PublicEthAPI) localGetBalance(ctx context.Context, address common.Add
 func (pea *PublicEthAPI) GetStorageAt(ctx context.Context, address common.Address, key string, blockNrOrHash rpc.BlockNumberOrHash) (hexutil.Bytes, error) {
 	storageVal, err := pea.B.GetStorageByNumberOrHash(ctx, address, common.HexToHash(key), blockNrOrHash)
 	if storageVal != nil && err == nil {
-		return storageVal, nil
+		var value common.Hash
+		_, content, _, err := rlp.Split(storageVal)
+		if err == io.ErrUnexpectedEOF {
+			return hexutil.Bytes{}, nil
+		}
+		if err != nil {
+			return nil, err
+		}
+		value.SetBytes(content)
+
+		return value[:], nil
 	}
-	if pea.rpc != nil {
+	if pea.proxyOnError {
 		var res hexutil.Bytes
 		if err := pea.rpc.CallContext(ctx, &res, "eth_getStorageAt", address, key, blockNrOrHash); res != nil && err == nil {
 			go pea.writeStateDiffAtOrFor(blockNrOrHash)
 			return res, nil
 		}
 	}
+	if err == sql.ErrNoRows {
+		return make([]byte, 32), nil
+	}
 	return nil, err
 }
 
@@ -663,13 +753,17 @@ func (pea *PublicEthAPI) GetCode(ctx context.Context, address common.Address, bl
 	if code != nil && err == nil {
 		return code, nil
 	}
-	if pea.rpc != nil {
+	if pea.proxyOnError {
 		var res hexutil.Bytes
 		if err := pea.rpc.CallContext(ctx, &res, "eth_getCode", address, blockNrOrHash); res != nil && err == nil {
 			go pea.writeStateDiffAtOrFor(blockNrOrHash)
 			return res, nil
 		}
 	}
+	if err == sql.ErrNoRows {
+		return code, nil
+	}
+
 	return nil, err
 }
 
@@ -679,7 +773,7 @@ func (pea *PublicEthAPI) GetProof(ctx context.Context, address common.Address, s
 	if proof != nil && err == nil {
 		return proof, nil
 	}
-	if pea.rpc != nil {
+	if pea.proxyOnError {
 		var res *AccountResult
 		if err := pea.rpc.CallContext(ctx, &res, "eth_getProof", address, storageKeys, blockNrOrHash); res != nil && err == nil {
 			go pea.writeStateDiffAtOrFor(blockNrOrHash)
@@ -738,50 +832,59 @@ func (pea *PublicEthAPI) localGetProof(ctx context.Context, address common.Addre
 	}, state.Error()
 }
 
-// Call executes the given transaction on the state for the given block number.
-//
-// Additionally, the caller can specify a batch of contract for fields overriding.
-//
-// Note, this function doesn't make and changes in the state/blockchain and is
-// useful to execute and retrieve values.
-func (pea *PublicEthAPI) Call(ctx context.Context, args CallArgs, blockNrOrHash rpc.BlockNumberOrHash, overrides *map[common.Address]account) (hexutil.Bytes, error) {
-	var accounts map[common.Address]account
-	if overrides != nil {
-		accounts = *overrides
-	}
-	res, _, failed, err := DoCall(ctx, pea.B, args, blockNrOrHash, accounts, 5*time.Second, pea.B.Config.RPCGasCap)
-	if (failed || err != nil) && pea.rpc != nil {
-		var hex hexutil.Bytes
-		if err := pea.rpc.CallContext(ctx, &hex, "eth_call", args, blockNrOrHash, overrides); hex != nil && err == nil {
-			go pea.writeStateDiffAtOrFor(blockNrOrHash)
-			return hex, nil
-		}
-	}
-	if failed && err == nil {
-		return nil, errors.New("eth_call failed without error")
-	}
-	return (hexutil.Bytes)(res), err
+// revertError is an API error that encompassas an EVM revertal with JSON error
+// code and a binary data blob.
+type revertError struct {
+	error
+	reason string // revert reason hex encoded
 }
 
-func DoCall(ctx context.Context, b *Backend, args CallArgs, blockNrOrHash rpc.BlockNumberOrHash, overrides map[common.Address]account, timeout time.Duration, globalGasCap *big.Int) ([]byte, uint64, bool, error) {
-	defer func(start time.Time) {
-		logrus.Debugf("Executing EVM call finished %s runtime %s", time.Now().String(), time.Since(start).String())
-	}(time.Now())
-	state, header, err := b.StateAndHeaderByNumberOrHash(ctx, blockNrOrHash)
-	if state == nil || err != nil {
-		return nil, 0, false, err
+// ErrorCode returns the JSON error code for a revertal.
+// See: https://github.com/ethereum/wiki/wiki/JSON-RPC-Error-Codes-Improvement-Proposal
+func (e *revertError) ErrorCode() int {
+	return 3
+}
+
+// ErrorData returns the hex encoded revert reason.
+func (e *revertError) ErrorData() interface{} {
+	return e.reason
+}
+
+func newRevertError(result *core.ExecutionResult) *revertError {
+	reason, errUnpack := abi.UnpackRevert(result.Revert())
+	err := errors.New("execution reverted")
+	if errUnpack == nil {
+		err = fmt.Errorf("execution reverted: %v", reason)
 	}
-	// Set sender address or use a default if none specified
-	var addr common.Address
-	if args.From == nil {
-		if b.Config.DefaultSender != nil {
-			addr = *b.Config.DefaultSender
-		}
-	} else {
-		addr = *args.From
+	return &revertError{
+		error:  err,
+		reason: hexutil.Encode(result.Revert()),
 	}
-	// Override the fields of specified contracts before execution.
-	for addr, account := range overrides {
+}
+
+// OverrideAccount indicates the overriding fields of account during the execution
+// of a message call.
+// Note, state and stateDiff can't be specified at the same time. If state is
+// set, message execution will only use the data in the given state. Otherwise
+// if statDiff is set, all diff will be applied first and then execute the call
+// message.
+type OverrideAccount struct {
+	Nonce     *hexutil.Uint64              `json:"nonce"`
+	Code      *hexutil.Bytes               `json:"code"`
+	Balance   **hexutil.Big                `json:"balance"`
+	State     *map[common.Hash]common.Hash `json:"state"`
+	StateDiff *map[common.Hash]common.Hash `json:"stateDiff"`
+}
+
+// StateOverride is the collection of overridden accounts.
+type StateOverride map[common.Address]OverrideAccount
+
+// Apply overrides the fields of specified accounts into the given state.
+func (diff *StateOverride) Apply(state *state.StateDB) error {
+	if diff == nil {
+		return nil
+	}
+	for addr, account := range *diff {
 		// Override account nonce.
 		if account.Nonce != nil {
 			state.SetNonce(addr, uint64(*account.Nonce))
@@ -795,7 +898,7 @@ func DoCall(ctx context.Context, b *Backend, args CallArgs, blockNrOrHash rpc.Bl
 			state.SetBalance(addr, (*big.Int)(*account.Balance))
 		}
 		if account.State != nil && account.StateDiff != nil {
-			return nil, 0, false, fmt.Errorf("account %s has both 'state' and 'stateDiff'", addr.Hex())
+			return fmt.Errorf("account %s has both 'state' and 'stateDiff'", addr.Hex())
 		}
 		// Replace entire state if caller requires.
 		if account.State != nil {
@@ -808,32 +911,56 @@ func DoCall(ctx context.Context, b *Backend, args CallArgs, blockNrOrHash rpc.Bl
 			}
 		}
 	}
-	// Set default gas & gas price if none were set
-	gas := uint64(math.MaxUint64 / 2)
-	if args.Gas != nil {
-		gas = uint64(*args.Gas)
-	}
-	if globalGasCap != nil && globalGasCap.Uint64() < gas {
-		logrus.Warnf("Caller gas above allowance, capping; requested: %d, cap: %d", gas, globalGasCap)
-		gas = globalGasCap.Uint64()
-	}
-	gasPrice := new(big.Int).SetUint64(params.GWei)
-	if args.GasPrice != nil {
-		gasPrice = args.GasPrice.ToInt()
+	return nil
+}
+
+// Call executes the given transaction on the state for the given block number.
+//
+// Additionally, the caller can specify a batch of contract for fields overriding.
+//
+// Note, this function doesn't make and changes in the state/blockchain and is
+// useful to execute and retrieve values.
+func (pea *PublicEthAPI) Call(ctx context.Context, args CallArgs, blockNrOrHash rpc.BlockNumberOrHash, overrides *StateOverride) (hexutil.Bytes, error) {
+	if pea.forwardEthCalls {
+		var hex hexutil.Bytes
+		err := pea.rpc.CallContext(ctx, &hex, "eth_call", args, blockNrOrHash, overrides)
+		return hex, err
 	}
 
-	value := new(big.Int)
-	if args.Value != nil {
-		value = args.Value.ToInt()
+	result, err := DoCall(ctx, pea.B, args, blockNrOrHash, overrides, 5*time.Second, pea.B.Config.RPCGasCap.Uint64())
+
+	// If the result contains a revert reason, try to unpack and return it.
+	if err == nil {
+		if len(result.Revert()) > 0 {
+			err = newRevertError(result)
+		} else if result.Err != nil {
+			err = result.Err
+		}
 	}
 
-	var data []byte
-	if args.Data != nil {
-		data = []byte(*args.Data)
+	if err != nil && pea.proxyOnError {
+		var hex hexutil.Bytes
+		if err := pea.rpc.CallContext(ctx, &hex, "eth_call", args, blockNrOrHash, overrides); hex != nil && err == nil {
+			go pea.writeStateDiffAtOrFor(blockNrOrHash)
+			return hex, nil
+		}
+	}
+	return result.Return(), err
+}
+
+func DoCall(ctx context.Context, b *Backend, args CallArgs, blockNrOrHash rpc.BlockNumberOrHash, overrides *StateOverride, timeout time.Duration, globalGasCap uint64) (*core.ExecutionResult, error) {
+	defer func(start time.Time) {
+		logrus.Debugf("Executing EVM call finished %s runtime %s", time.Now().String(), time.Since(start).String())
+	}(time.Now())
+
+	state, header, err := b.StateAndHeaderByNumberOrHash(ctx, blockNrOrHash)
+	if state == nil || err != nil {
+		return nil, err
 	}
 
-	// Create new call message
-	msg := types.NewMessage(addr, args.To, 0, value, gas, gasPrice, data, false)
+	if err := overrides.Apply(state); err != nil {
+		return nil, err
+	}
 
 	// Setup context so it may be cancelled the call has completed
 	// or, in case of unmetered gas, setup a context with a timeout.
@@ -848,10 +975,16 @@ func DoCall(ctx context.Context, b *Backend, args CallArgs, blockNrOrHash rpc.Bl
 	defer cancel()
 
 	// Get a new instance of the EVM.
-	evm, err := b.GetEVM(ctx, msg, state, header)
+	msg, err := args.ToMessage(globalGasCap, header.BaseFee)
 	if err != nil {
-		return nil, 0, false, err
+		return nil, err
 	}
+
+	evm, vmError, err := b.GetEVM(ctx, msg, state, header)
+	if err != nil {
+		return nil, err
+	}
+
 	// Wait for the context to be done and cancel the evm. Even if the
 	// EVM has finished, cancelling may be done (repeatedly)
 	go func() {
@@ -859,18 +992,21 @@ func DoCall(ctx context.Context, b *Backend, args CallArgs, blockNrOrHash rpc.Bl
 		evm.Cancel()
 	}()
 
-	// Setup the gas pool (also for unmetered requests)
-	// and apply the message.
+	// Execute the message.
 	gp := new(core.GasPool).AddGas(math.MaxUint64)
 	result, err := core.ApplyMessage(evm, msg, gp)
-	if err != nil {
-		return nil, 0, false, fmt.Errorf("execution failed: %v", err)
+	if err := vmError(); err != nil {
+		return nil, err
 	}
+
 	// If the timer caused an abort, return an appropriate error message
 	if evm.Cancelled() {
-		return nil, 0, false, fmt.Errorf("execution aborted (timeout = %v)", timeout)
+		return nil, fmt.Errorf("execution aborted (timeout = %v)", timeout)
 	}
-	return result.Return(), result.UsedGas, result.Failed(), err
+	if err != nil {
+		return result, fmt.Errorf("err: %w (supplied gas %d)", err, msg.Gas())
+	}
+	return result, nil
 }
 
 // writeStateDiffAtOrFor calls out to the proxy statediffing geth client to fill in a gap in the index
@@ -889,7 +1025,7 @@ func (pea *PublicEthAPI) writeStateDiffAtOrFor(blockNrOrHash rpc.BlockNumberOrHa
 }
 
 // writeStateDiffWithCriteria calls out to the proxy statediffing geth client to fill in a gap in the index
-func (pea *PublicEthAPI) writeStateDiffWithCriteria(crit ethereum.FilterQuery) {
+func (pea *PublicEthAPI) writeStateDiffWithCriteria(crit filters.FilterCriteria) {
 	// short circuit right away if the proxy doesn't support diffing
 	if !pea.supportsStateDiff {
 		return
@@ -994,3 +1130,42 @@ func toHexSlice(b [][]byte) []string {
 	}
 	return r
 }
+
+// decomposeLogs return logs from LogResult.
+func decomposeLogs(logCIDs []LogResult) ([]*types.Log, error) {
+	logs := make([]*types.Log, len(logCIDs))
+	for i, l := range logCIDs {
+		topics := make([]common.Hash, 0)
+		if l.Topic0 != "" {
+			topics = append(topics, common.HexToHash(l.Topic0))
+		}
+		if l.Topic1 != "" {
+			topics = append(topics, common.HexToHash(l.Topic1))
+		}
+		if l.Topic2 != "" {
+			topics = append(topics, common.HexToHash(l.Topic2))
+		}
+		if l.Topic3 != "" {
+			topics = append(topics, common.HexToHash(l.Topic3))
+		}
+
+		// TODO: should we convert string to uint ?
+		blockNum, err := strconv.ParseUint(l.BlockNumber, 10, 64)
+		if err != nil {
+			return nil, err
+		}
+
+		logs[i] = &types.Log{
+			Address:     common.HexToAddress(l.Address),
+			Topics:      topics,
+			Data:        l.Data,
+			BlockNumber: blockNum,
+			TxHash:      common.HexToHash(l.TxHash),
+			TxIndex:     uint(l.TxnIndex),
+			BlockHash:   common.HexToHash(l.BlockHash),
+			Index:       uint(l.Index),
+		}
+	}
+
+	return logs, nil
+}

pkg/eth/api_test.go

@@ -18,34 +18,41 @@ package eth_test
 
 import (
 	"context"
+	"math/big"
+	"os"
 	"strconv"
 
-	"github.com/ethereum/go-ethereum"
 	"github.com/ethereum/go-ethereum/common"
 	"github.com/ethereum/go-ethereum/common/hexutil"
 	"github.com/ethereum/go-ethereum/core/types"
+	"github.com/ethereum/go-ethereum/core/vm"
 	"github.com/ethereum/go-ethereum/crypto"
+	"github.com/ethereum/go-ethereum/eth/filters"
+	"github.com/ethereum/go-ethereum/params"
 	"github.com/ethereum/go-ethereum/rlp"
 	"github.com/ethereum/go-ethereum/rpc"
+	"github.com/ethereum/go-ethereum/statediff/indexer"
+	"github.com/ethereum/go-ethereum/statediff/indexer/node"
+	"github.com/ethereum/go-ethereum/statediff/indexer/postgres"
+	sdtypes "github.com/ethereum/go-ethereum/statediff/types"
 	. "github.com/onsi/ginkgo"
 	. "github.com/onsi/gomega"
 
-	eth2 "github.com/vulcanize/ipld-eth-indexer/pkg/eth"
-	"github.com/vulcanize/ipld-eth-indexer/pkg/postgres"
-	"github.com/vulcanize/ipld-eth-indexer/pkg/shared"
-
 	"github.com/vulcanize/ipld-eth-server/pkg/eth"
 	"github.com/vulcanize/ipld-eth-server/pkg/eth/test_helpers"
+	ethServerShared "github.com/vulcanize/ipld-eth-server/pkg/shared"
 )
 
 var (
-	randomAddr    = common.HexToAddress("0x1C3ab14BBaD3D99F4203bd7a11aCB94882050E6f")
-	randomHash    = crypto.Keccak256Hash(randomAddr.Bytes())
-	number        = rpc.BlockNumber(test_helpers.BlockNumber.Int64())
-	wrongNumber   = rpc.BlockNumber(number + 1)
-	blockHash     = test_helpers.MockBlock.Header().Hash()
-	ctx           = context.Background()
-	expectedBlock = map[string]interface{}{
+	randomAddr     = common.HexToAddress("0x1C3ab14BBaD3D99F4203bd7a11aCB94882050E6f")
+	randomHash     = crypto.Keccak256Hash(randomAddr.Bytes())
+	number         = rpc.BlockNumber(test_helpers.BlockNumber.Int64())
+	londonBlockNum = rpc.BlockNumber(test_helpers.LondonBlockNum.Int64())
+	wrongNumber    = number + 1
+	blockHash      = test_helpers.MockBlock.Header().Hash()
+	baseFee        = test_helpers.MockLondonBlock.BaseFee()
+	ctx            = context.Background()
+	expectedBlock  = map[string]interface{}{
 		"number":           (*hexutil.Big)(test_helpers.MockBlock.Number()),
 		"hash":             test_helpers.MockBlock.Hash(),
 		"parentHash":       test_helpers.MockBlock.ParentHash(),
@@ -125,13 +132,14 @@ var (
 		"receiptsRoot":     test_helpers.MockUncles[1].ReceiptHash,
 		"uncles":           []common.Hash{},
 	}
-	expectedTransaction  = eth.NewRPCTransaction(test_helpers.MockTransactions[0], test_helpers.MockBlock.Hash(), test_helpers.MockBlock.NumberU64(), 0)
-	expectedTransaction2 = eth.NewRPCTransaction(test_helpers.MockTransactions[1], test_helpers.MockBlock.Hash(), test_helpers.MockBlock.NumberU64(), 1)
-	expectedTransaction3 = eth.NewRPCTransaction(test_helpers.MockTransactions[2], test_helpers.MockBlock.Hash(), test_helpers.MockBlock.NumberU64(), 2)
-	expectRawTx, _       = rlp.EncodeToBytes(test_helpers.MockTransactions[0])
-	expectRawTx2, _      = rlp.EncodeToBytes(test_helpers.MockTransactions[1])
-	expectRawTx3, _      = rlp.EncodeToBytes(test_helpers.MockTransactions[2])
-	expectedReceipt      = map[string]interface{}{
+	expectedTransaction       = eth.NewRPCTransaction(test_helpers.MockTransactions[0], test_helpers.MockBlock.Hash(), test_helpers.MockBlock.NumberU64(), 0, test_helpers.MockBlock.BaseFee())
+	expectedTransaction2      = eth.NewRPCTransaction(test_helpers.MockTransactions[1], test_helpers.MockBlock.Hash(), test_helpers.MockBlock.NumberU64(), 1, test_helpers.MockBlock.BaseFee())
+	expectedTransaction3      = eth.NewRPCTransaction(test_helpers.MockTransactions[2], test_helpers.MockBlock.Hash(), test_helpers.MockBlock.NumberU64(), 2, test_helpers.MockBlock.BaseFee())
+	expectedLondonTransaction = eth.NewRPCTransaction(test_helpers.MockLondonTransactions[0], test_helpers.MockLondonBlock.Hash(), test_helpers.MockLondonBlock.NumberU64(), 0, test_helpers.MockLondonBlock.BaseFee())
+	expectRawTx, _            = rlp.EncodeToBytes(test_helpers.MockTransactions[0])
+	expectRawTx2, _           = rlp.EncodeToBytes(test_helpers.MockTransactions[1])
+	expectRawTx3, _           = rlp.EncodeToBytes(test_helpers.MockTransactions[2])
+	expectedReceipt           = map[string]interface{}{
 		"blockHash":         blockHash,
 		"blockNumber":       hexutil.Uint64(uint64(number.Int64())),
 		"transactionHash":   expectedTransaction.Hash,
@@ -143,7 +151,7 @@ var (
 		"contractAddress":   nil,
 		"logs":              test_helpers.MockReceipts[0].Logs,
 		"logsBloom":         test_helpers.MockReceipts[0].Bloom,
-		"root":              hexutil.Bytes(test_helpers.MockReceipts[0].PostState),
+		"status":            hexutil.Uint(test_helpers.MockReceipts[0].Status),
 	}
 	expectedReceipt2 = map[string]interface{}{
 		"blockHash":         blockHash,
@@ -168,39 +176,98 @@ var (
 		"to":                expectedTransaction3.To,
 		"gasUsed":           hexutil.Uint64(test_helpers.MockReceipts[2].GasUsed),
 		"cumulativeGasUsed": hexutil.Uint64(test_helpers.MockReceipts[2].CumulativeGasUsed),
-		"contractAddress":   nil,
+		"contractAddress":   test_helpers.ContractAddress,
 		"logs":              test_helpers.MockReceipts[2].Logs,
 		"logsBloom":         test_helpers.MockReceipts[2].Bloom,
 		"root":              hexutil.Bytes(test_helpers.MockReceipts[2].PostState),
 	}
 )
 
+// SetupDB is use to setup a db for watcher tests
+func SetupDB() (*postgres.DB, error) {
+	port, _ := strconv.Atoi(os.Getenv("DATABASE_PORT"))
+	uri := postgres.DbConnectionString(postgres.ConnectionParams{
+		User:     os.Getenv("DATABASE_USER"),
+		Password: os.Getenv("DATABASE_PASSWORD"),
+		Hostname: os.Getenv("DATABASE_HOSTNAME"),
+		Name:     os.Getenv("DATABASE_NAME"),
+		Port:     port,
+	})
+	return postgres.NewDB(uri, postgres.ConnectionConfig{}, node.Info{})
+}
+
 var _ = Describe("API", func() {
 	var (
-		db  *postgres.DB
-		api *eth.PublicEthAPI
+		db          *postgres.DB
+		api         *eth.PublicEthAPI
+		chainConfig = params.TestChainConfig
 	)
 	// Test db setup, rather than using BeforeEach we only need to setup once since the tests do not mutate the database
 	// Note: if you focus one of the tests be sure to focus this and the defered It()
 	It("test init", func() {
-		var err error
-		db, err = shared.SetupDB()
+		var (
+			err error
+			tx  *indexer.BlockTx
+		)
+
+		db, err = SetupDB()
 		Expect(err).ToNot(HaveOccurred())
-		indexAndPublisher := eth2.NewIPLDPublisher(db)
-		backend, err := eth.NewEthBackend(db, &eth.Config{})
+
+		indexAndPublisher, err := indexer.NewStateDiffIndexer(chainConfig, db)
 		Expect(err).ToNot(HaveOccurred())
-		api = eth.NewPublicEthAPI(backend, nil, false)
-		err = indexAndPublisher.Publish(test_helpers.MockConvertedPayload)
+		backend, err := eth.NewEthBackend(db, &eth.Config{
+			ChainConfig: chainConfig,
+			VMConfig:    vm.Config{},
+			RPCGasCap:   big.NewInt(10000000000), // Max gas capacity for a rpc call.
+			GroupCacheConfig: &ethServerShared.GroupCacheConfig{
+				StateDB: ethServerShared.GroupConfig{
+					Name:                   "api_test",
+					CacheSizeInMB:          8,
+					CacheExpiryInMins:      60,
+					LogStatsIntervalInSecs: 0,
+				},
+			},
+		})
 		Expect(err).ToNot(HaveOccurred())
-		err = publishCode(db, test_helpers.ContractCodeHash, test_helpers.ContractCode)
+		api, _ = eth.NewPublicEthAPI(backend, nil, false, false, false)
+		tx, err = indexAndPublisher.PushBlock(test_helpers.MockBlock, test_helpers.MockReceipts, test_helpers.MockBlock.Difficulty())
 		Expect(err).ToNot(HaveOccurred())
+
+		for _, node := range test_helpers.MockStateNodes {
+			err = indexAndPublisher.PushStateNode(tx, node)
+			Expect(err).ToNot(HaveOccurred())
+		}
+
+		ccHash := sdtypes.CodeAndCodeHash{
+			Hash: test_helpers.ContractCodeHash,
+			Code: test_helpers.ContractCode,
+		}
+
+		err = indexAndPublisher.PushCodeAndCodeHash(tx, ccHash)
+		Expect(err).ToNot(HaveOccurred())
+
+		err = tx.Close(err)
+		Expect(err).ToNot(HaveOccurred())
+
 		uncles := test_helpers.MockBlock.Uncles()
 		uncleHashes := make([]common.Hash, len(uncles))
 		for i, uncle := range uncles {
 			uncleHashes[i] = uncle.Hash()
 		}
 		expectedBlock["uncles"] = uncleHashes
+
+		// setting chain config to for london block
+		chainConfig.LondonBlock = big.NewInt(2)
+		indexAndPublisher, err = indexer.NewStateDiffIndexer(chainConfig, db)
+		Expect(err).ToNot(HaveOccurred())
+
+		tx, err = indexAndPublisher.PushBlock(test_helpers.MockLondonBlock, test_helpers.MockLondonReceipts, test_helpers.MockLondonBlock.Difficulty())
+		Expect(err).ToNot(HaveOccurred())
+
+		err = tx.Close(err)
+		Expect(err).ToNot(HaveOccurred())
 	})
+
 	// Single test db tear down at end of all tests
 	defer It("test teardown", func() { eth.TearDownDB(db) })
 	/*
@@ -242,7 +309,7 @@ var _ = Describe("API", func() {
 			bn := api.BlockNumber()
 			ubn := (uint64)(bn)
 			subn := strconv.FormatUint(ubn, 10)
-			Expect(subn).To(Equal(test_helpers.BlockNumber.String()))
+			Expect(subn).To(Equal(test_helpers.LondonBlockNum.String()))
 		})
 	})
 
@@ -271,10 +338,20 @@ var _ = Describe("API", func() {
 				Expect(val).To(Equal(block[key]))
 			}
 		})
-		It("Throws an error if a block cannot be found", func() {
-			_, err := api.GetBlockByNumber(ctx, wrongNumber, false)
-			Expect(err).To(HaveOccurred())
-			Expect(err.Error()).To(ContainSubstring("sql: no rows in result set"))
+		It("Returns `nil` if a block cannot be found", func() {
+			block, err := api.GetBlockByNumber(ctx, wrongNumber, false)
+			Expect(err).ToNot(HaveOccurred())
+			Expect(block).To(BeNil())
+		})
+		It("Fetch BaseFee from london block by block number, returns `nil` for legacy block", func() {
+			block, err := api.GetBlockByNumber(ctx, number, false)
+			Expect(err).ToNot(HaveOccurred())
+			_, ok := block["baseFee"]
+			Expect(ok).To(Equal(false))
+
+			block, err = api.GetBlockByNumber(ctx, londonBlockNum, false)
+			Expect(err).ToNot(HaveOccurred())
+			Expect(block["baseFee"].(*big.Int)).To(Equal(baseFee))
 		})
 	})
 
@@ -303,10 +380,19 @@ var _ = Describe("API", func() {
 				Expect(val).To(Equal(block[key]))
 			}
 		})
-		It("Throws an error if a block cannot be found", func() {
-			_, err := api.GetBlockByHash(ctx, randomHash, false)
-			Expect(err).To(HaveOccurred())
-			Expect(err.Error()).To(ContainSubstring("sql: no rows in result set"))
+		It("Returns `nil` if a block cannot be found", func() {
+			block, err := api.GetBlockByHash(ctx, randomHash, false)
+			Expect(err).ToNot(HaveOccurred())
+			Expect(block).To(BeZero())
+		})
+		It("Fetch BaseFee from london block by block hash, returns `nil` for legacy block", func() {
+			block, err := api.GetBlockByHash(ctx, test_helpers.MockBlock.Hash(), true)
+			Expect(err).ToNot(HaveOccurred())
+			_, ok := block["baseFee"]
+			Expect(ok).To(Equal(false))
+			block, err = api.GetBlockByHash(ctx, test_helpers.MockLondonBlock.Hash(), false)
+			Expect(err).ToNot(HaveOccurred())
+			Expect(block["baseFee"].(*big.Int)).To(Equal(baseFee))
 		})
 	})
 
@@ -325,10 +411,10 @@ var _ = Describe("API", func() {
 			Expect(err).ToNot(HaveOccurred())
 			Expect(uncle2).To(Equal(expectedUncle2))
 		})
-		It("Throws an error if an block for blocknumber cannot be found", func() {
-			_, err := api.GetUncleByBlockNumberAndIndex(ctx, wrongNumber, 0)
-			Expect(err).To(HaveOccurred())
-			Expect(err.Error()).To(ContainSubstring("sql: no rows in result set"))
+		It("Returns `nil` if an block for block number cannot be found", func() {
+			block, err := api.GetUncleByBlockNumberAndIndex(ctx, wrongNumber, 0)
+			Expect(err).ToNot(HaveOccurred())
+			Expect(block).To(BeNil())
 		})
 		It("Returns `nil` if an uncle at the provided index does not exist for the block found for the provided block number", func() {
 			uncle, err := api.GetUncleByBlockNumberAndIndex(ctx, number, 2)
@@ -346,10 +432,10 @@ var _ = Describe("API", func() {
 			Expect(err).ToNot(HaveOccurred())
 			Expect(uncle2).To(Equal(expectedUncle2))
 		})
-		It("Throws an error if an block for blockhash cannot be found", func() {
-			_, err := api.GetUncleByBlockHashAndIndex(ctx, randomHash, 0)
-			Expect(err).To(HaveOccurred())
-			Expect(err.Error()).To(ContainSubstring("sql: no rows in result set"))
+		It("Returns `nil` if a block for blockhash cannot be found", func() {
+			block, err := api.GetUncleByBlockHashAndIndex(ctx, randomHash, 0)
+			Expect(err).ToNot(HaveOccurred())
+			Expect(block).To(BeNil())
 		})
 		It("Returns `nil` if an uncle at the provided index does not exist for the block with the provided hash", func() {
 			uncle, err := api.GetUncleByBlockHashAndIndex(ctx, blockHash, 2)
@@ -361,6 +447,7 @@ var _ = Describe("API", func() {
 	Describe("eth_getUncleCountByBlockNumber", func() {
 		It("Retrieves the number of uncles for the canonical block with the provided number", func() {
 			count := api.GetUncleCountByBlockNumber(ctx, number)
+			Expect(*count).NotTo(Equal(nil))
 			Expect(uint64(*count)).To(Equal(uint64(2)))
 		})
 	})
@@ -368,6 +455,7 @@ var _ = Describe("API", func() {
 	Describe("eth_getUncleCountByBlockHash", func() {
 		It("Retrieves the number of uncles for the block with the provided hash", func() {
 			count := api.GetUncleCountByBlockHash(ctx, blockHash)
+			Expect(*count).NotTo(Equal(nil))
 			Expect(uint64(*count)).To(Equal(uint64(2)))
 		})
 	})
@@ -402,14 +490,14 @@ var _ = Describe("API", func() {
 	Describe("eth_getBlockTransactionCountByNumber", func() {
 		It("Retrieves the number of transactions in the canonical block with the provided number", func() {
 			count := api.GetBlockTransactionCountByNumber(ctx, number)
-			Expect(uint64(*count)).To(Equal(uint64(3)))
+			Expect(uint64(*count)).To(Equal(uint64(4)))
 		})
 	})
 
 	Describe("eth_getBlockTransactionCountByHash", func() {
 		It("Retrieves the number of transactions in the block with the provided hash ", func() {
 			count := api.GetBlockTransactionCountByHash(ctx, blockHash)
-			Expect(uint64(*count)).To(Equal(uint64(3)))
+			Expect(uint64(*count)).To(Equal(uint64(4)))
 		})
 	})
 
@@ -427,6 +515,13 @@ var _ = Describe("API", func() {
 			Expect(tx).ToNot(BeNil())
 			Expect(tx).To(Equal(expectedTransaction3))
 		})
+		It("Retrieves the GasFeeCap and GasTipCap for dynamic transaction from the london block hash", func() {
+			tx := api.GetTransactionByBlockNumberAndIndex(ctx, londonBlockNum, 0)
+			Expect(tx).ToNot(BeNil())
+			Expect(tx.GasFeeCap).To(Equal((*hexutil.Big)(test_helpers.MockLondonTransactions[0].GasFeeCap())))
+			Expect(tx.GasTipCap).To(Equal((*hexutil.Big)(test_helpers.MockLondonTransactions[0].GasTipCap())))
+			Expect(tx).To(Equal(expectedLondonTransaction))
+		})
 	})
 
 	Describe("eth_getTransactionByBlockHashAndIndex", func() {
@@ -443,6 +538,14 @@ var _ = Describe("API", func() {
 			Expect(tx).ToNot(BeNil())
 			Expect(tx).To(Equal(expectedTransaction3))
 		})
+
+		It("Retrieves the GasFeeCap and GasTipCap for dynamic transaction from the london block hash", func() {
+			tx := api.GetTransactionByBlockHashAndIndex(ctx, test_helpers.MockLondonBlock.Hash(), 0)
+			Expect(tx).ToNot(BeNil())
+			Expect(tx.GasFeeCap).To(Equal((*hexutil.Big)(test_helpers.MockLondonTransactions[0].GasFeeCap())))
+			Expect(tx.GasTipCap).To(Equal((*hexutil.Big)(test_helpers.MockLondonTransactions[0].GasTipCap())))
+			Expect(tx).To(Equal(expectedLondonTransaction))
+		})
 	})
 
 	Describe("eth_getRawTransactionByBlockNumberAndIndex", func() {
@@ -554,7 +657,65 @@ var _ = Describe("API", func() {
 
 	Describe("eth_getLogs", func() {
 		It("Retrieves receipt logs that match the provided topics within the provided range", func() {
-			crit := ethereum.FilterQuery{
+			crit := filters.FilterCriteria{
+				Topics: [][]common.Hash{
+					{
+						common.HexToHash("0x0c"),
+					},
+					{
+						common.HexToHash("0x0a"),
+					},
+					{
+						common.HexToHash("0x0b"),
+					},
+				},
+				FromBlock: test_helpers.MockBlock.Number(),
+				ToBlock:   test_helpers.MockBlock.Number(),
+			}
+			logs, err := api.GetLogs(ctx, crit)
+			Expect(err).ToNot(HaveOccurred())
+			Expect(len(logs)).To(Equal(0))
+
+			crit = filters.FilterCriteria{
+				Topics: [][]common.Hash{
+					{
+						common.HexToHash("0x08"),
+					},
+					{
+						common.HexToHash("0x0a"),
+					},
+					{
+						common.HexToHash("0x0c"),
+					},
+				},
+				FromBlock: test_helpers.MockBlock.Number(),
+				ToBlock:   test_helpers.MockBlock.Number(),
+			}
+			logs, err = api.GetLogs(ctx, crit)
+			Expect(err).ToNot(HaveOccurred())
+			Expect(len(logs)).To(Equal(0))
+
+			crit = filters.FilterCriteria{
+				Topics: [][]common.Hash{
+					{
+						common.HexToHash("0x09"),
+					},
+					{
+						common.HexToHash("0x0a"),
+					},
+					{
+						common.HexToHash("0x0b"),
+					},
+				},
+				FromBlock: test_helpers.MockBlock.Number(),
+				ToBlock:   test_helpers.MockBlock.Number(),
+			}
+			logs, err = api.GetLogs(ctx, crit)
+			Expect(err).ToNot(HaveOccurred())
+			Expect(len(logs)).To(Equal(1))
+			Expect(logs).To(Equal([]*types.Log{test_helpers.MockLog4}))
+
+			crit = filters.FilterCriteria{
 				Topics: [][]common.Hash{
 					{
 						common.HexToHash("0x04"),
@@ -563,12 +724,12 @@ var _ = Describe("API", func() {
 				FromBlock: test_helpers.MockBlock.Number(),
 				ToBlock:   test_helpers.MockBlock.Number(),
 			}
-			logs, err := api.GetLogs(ctx, crit)
+			logs, err = api.GetLogs(ctx, crit)
 			Expect(err).ToNot(HaveOccurred())
 			Expect(len(logs)).To(Equal(1))
 			Expect(logs).To(Equal([]*types.Log{test_helpers.MockLog1}))
 
-			crit = ethereum.FilterQuery{
+			crit = filters.FilterCriteria{
 				Topics: [][]common.Hash{
 					{
 						common.HexToHash("0x04"),
@@ -583,7 +744,7 @@ var _ = Describe("API", func() {
 			Expect(len(logs)).To(Equal(2))
 			Expect(logs).To(Equal([]*types.Log{test_helpers.MockLog1, test_helpers.MockLog2}))
 
-			crit = ethereum.FilterQuery{
+			crit = filters.FilterCriteria{
 				Topics: [][]common.Hash{
 					{
 						common.HexToHash("0x04"),
@@ -598,7 +759,7 @@ var _ = Describe("API", func() {
 			Expect(len(logs)).To(Equal(1))
 			Expect(logs).To(Equal([]*types.Log{test_helpers.MockLog1}))
 
-			crit = ethereum.FilterQuery{
+			crit = filters.FilterCriteria{
 				Topics: [][]common.Hash{
 					{
 						common.HexToHash("0x04"),
@@ -614,7 +775,7 @@ var _ = Describe("API", func() {
 			Expect(err).ToNot(HaveOccurred())
 			Expect(len(logs)).To(Equal(0))
 
-			crit = ethereum.FilterQuery{
+			crit = filters.FilterCriteria{
 				Topics: [][]common.Hash{
 					{
 						common.HexToHash("0x04"),
@@ -631,7 +792,7 @@ var _ = Describe("API", func() {
 			Expect(len(logs)).To(Equal(1))
 			Expect(logs).To(Equal([]*types.Log{test_helpers.MockLog1}))
 
-			crit = ethereum.FilterQuery{
+			crit = filters.FilterCriteria{
 				Topics: [][]common.Hash{
 					{
 						common.HexToHash("0x05"),
@@ -648,7 +809,7 @@ var _ = Describe("API", func() {
 			Expect(len(logs)).To(Equal(1))
 			Expect(logs).To(Equal([]*types.Log{test_helpers.MockLog2}))
 
-			crit = ethereum.FilterQuery{
+			crit = filters.FilterCriteria{
 				Topics: [][]common.Hash{
 					{
 						common.HexToHash("0x05"),
@@ -666,7 +827,7 @@ var _ = Describe("API", func() {
 			Expect(len(logs)).To(Equal(1))
 			Expect(logs).To(Equal([]*types.Log{test_helpers.MockLog2}))
 
-			crit = ethereum.FilterQuery{
+			crit = filters.FilterCriteria{
 				Topics: [][]common.Hash{
 					{
 						common.HexToHash("0x04"),
@@ -685,7 +846,7 @@ var _ = Describe("API", func() {
 			Expect(len(logs)).To(Equal(2))
 			Expect(logs).To(Equal([]*types.Log{test_helpers.MockLog1, test_helpers.MockLog2}))
 
-			crit = ethereum.FilterQuery{
+			crit = filters.FilterCriteria{
 				Topics: [][]common.Hash{
 					{},
 					{
@@ -700,7 +861,7 @@ var _ = Describe("API", func() {
 			Expect(len(logs)).To(Equal(1))
 			Expect(logs).To(Equal([]*types.Log{test_helpers.MockLog2}))
 
-			crit = ethereum.FilterQuery{
+			crit = filters.FilterCriteria{
 				Topics: [][]common.Hash{
 					{},
 					{
@@ -715,20 +876,20 @@ var _ = Describe("API", func() {
 			Expect(len(logs)).To(Equal(1))
 			Expect(logs).To(Equal([]*types.Log{test_helpers.MockLog1}))
 
-			crit = ethereum.FilterQuery{
+			crit = filters.FilterCriteria{
 				Topics:    [][]common.Hash{},
 				FromBlock: test_helpers.MockBlock.Number(),
 				ToBlock:   test_helpers.MockBlock.Number(),
 			}
 			logs, err = api.GetLogs(ctx, crit)
 			Expect(err).ToNot(HaveOccurred())
-			Expect(len(logs)).To(Equal(2))
-			Expect(logs).To(Equal([]*types.Log{test_helpers.MockLog1, test_helpers.MockLog2}))
+			Expect(len(logs)).To(Equal(6))
+			Expect(logs).To(Equal([]*types.Log{test_helpers.MockLog1, test_helpers.MockLog2, test_helpers.MockLog3, test_helpers.MockLog4, test_helpers.MockLog5, test_helpers.MockLog6}))
 		})
 
 		It("Uses the provided blockhash if one is provided", func() {
 			hash := test_helpers.MockBlock.Hash()
-			crit := ethereum.FilterQuery{
+			crit := filters.FilterCriteria{
 				BlockHash: &hash,
 				Topics: [][]common.Hash{
 					{},
@@ -742,7 +903,7 @@ var _ = Describe("API", func() {
 			Expect(len(logs)).To(Equal(1))
 			Expect(logs).To(Equal([]*types.Log{test_helpers.MockLog1}))
 
-			crit = ethereum.FilterQuery{
+			crit = filters.FilterCriteria{
 				BlockHash: &hash,
 				Topics: [][]common.Hash{
 					{
@@ -758,7 +919,7 @@ var _ = Describe("API", func() {
 			Expect(len(logs)).To(Equal(1))
 			Expect(logs).To(Equal([]*types.Log{test_helpers.MockLog1}))
 
-			crit = ethereum.FilterQuery{
+			crit = filters.FilterCriteria{
 				BlockHash: &hash,
 				Topics: [][]common.Hash{
 					{},
@@ -772,7 +933,7 @@ var _ = Describe("API", func() {
 			Expect(len(logs)).To(Equal(1))
 			Expect(logs).To(Equal([]*types.Log{test_helpers.MockLog2}))
 
-			crit = ethereum.FilterQuery{
+			crit = filters.FilterCriteria{
 				BlockHash: &hash,
 				Topics: [][]common.Hash{
 					{
@@ -788,7 +949,7 @@ var _ = Describe("API", func() {
 			Expect(len(logs)).To(Equal(1))
 			Expect(logs).To(Equal([]*types.Log{test_helpers.MockLog2}))
 
-			crit = ethereum.FilterQuery{
+			crit = filters.FilterCriteria{
 				BlockHash: &hash,
 				Topics: [][]common.Hash{
 					{
@@ -803,7 +964,7 @@ var _ = Describe("API", func() {
 			Expect(err).ToNot(HaveOccurred())
 			Expect(len(logs)).To(Equal(0))
 
-			crit = ethereum.FilterQuery{
+			crit = filters.FilterCriteria{
 				BlockHash: &hash,
 				Topics: [][]common.Hash{
 					{
@@ -820,7 +981,7 @@ var _ = Describe("API", func() {
 			Expect(len(logs)).To(Equal(1))
 			Expect(logs).To(Equal([]*types.Log{test_helpers.MockLog2}))
 
-			crit = ethereum.FilterQuery{
+			crit = filters.FilterCriteria{
 				BlockHash: &hash,
 				Topics: [][]common.Hash{
 					{
@@ -834,7 +995,7 @@ var _ = Describe("API", func() {
 			Expect(len(logs)).To(Equal(2))
 			Expect(logs).To(Equal([]*types.Log{test_helpers.MockLog1, test_helpers.MockLog2}))
 
-			crit = ethereum.FilterQuery{
+			crit = filters.FilterCriteria{
 				BlockHash: &hash,
 				Topics: [][]common.Hash{
 					{
@@ -852,19 +1013,19 @@ var _ = Describe("API", func() {
 			Expect(len(logs)).To(Equal(2))
 			Expect(logs).To(Equal([]*types.Log{test_helpers.MockLog1, test_helpers.MockLog2}))
 
-			crit = ethereum.FilterQuery{
+			crit = filters.FilterCriteria{
 				BlockHash: &hash,
 				Topics:    [][]common.Hash{},
 			}
 			logs, err = api.GetLogs(ctx, crit)
 			Expect(err).ToNot(HaveOccurred())
-			Expect(len(logs)).To(Equal(2))
-			Expect(logs).To(Equal([]*types.Log{test_helpers.MockLog1, test_helpers.MockLog2}))
+			Expect(len(logs)).To(Equal(6))
+			Expect(logs).To(Equal([]*types.Log{test_helpers.MockLog1, test_helpers.MockLog2, test_helpers.MockLog3, test_helpers.MockLog4, test_helpers.MockLog5, test_helpers.MockLog6}))
 		})
 
 		It("Filters on contract address if any are provided", func() {
 			hash := test_helpers.MockBlock.Hash()
-			crit := ethereum.FilterQuery{
+			crit := filters.FilterCriteria{
 				BlockHash: &hash,
 				Addresses: []common.Address{
 					test_helpers.Address,
@@ -886,7 +1047,7 @@ var _ = Describe("API", func() {
 			Expect(logs).To(Equal([]*types.Log{test_helpers.MockLog1}))
 
 			hash = test_helpers.MockBlock.Hash()
-			crit = ethereum.FilterQuery{
+			crit = filters.FilterCriteria{
 				BlockHash: &hash,
 				Addresses: []common.Address{
 					test_helpers.Address,
@@ -909,7 +1070,7 @@ var _ = Describe("API", func() {
 			Expect(logs).To(Equal([]*types.Log{test_helpers.MockLog1, test_helpers.MockLog2}))
 
 			hash = test_helpers.MockBlock.Hash()
-			crit = ethereum.FilterQuery{
+			crit = filters.FilterCriteria{
 				BlockHash: &hash,
 				Addresses: []common.Address{
 					test_helpers.Address,
@@ -948,8 +1109,17 @@ var _ = Describe("API", func() {
 			Expect(err).ToNot(HaveOccurred())
 			Expect(bal).To(Equal((*hexutil.Big)(common.Big0)))
 		})
-		It("Throws an error for an account it cannot find the balance for", func() {
-			_, err := api.GetBalance(ctx, randomAddr, rpc.BlockNumberOrHashWithHash(blockHash, true))
+		It("Retrieves the eth balance for the non-existing account address at the block with the provided hash", func() {
+			bal, err := api.GetBalance(ctx, randomAddr, rpc.BlockNumberOrHashWithHash(blockHash, true))
+			Expect(err).ToNot(HaveOccurred())
+			Expect(bal).To(Equal((*hexutil.Big)(common.Big0)))
+		})
+		It("Throws an error for an account of a non-existing block hash", func() {
+			_, err := api.GetBalance(ctx, test_helpers.AccountAddresss, rpc.BlockNumberOrHashWithHash(randomHash, true))
+			Expect(err).To(HaveOccurred())
+		})
+		It("Throws an error for an account of a non-existing block number", func() {
+			_, err := api.GetBalance(ctx, test_helpers.AccountAddresss, rpc.BlockNumberOrHashWithNumber(wrongNumber))
 			Expect(err).To(HaveOccurred())
 		})
 	})
@@ -965,26 +1135,10 @@ var _ = Describe("API", func() {
 			Expect(err).ToNot(HaveOccurred())
 			Expect(code).To(Equal((hexutil.Bytes)(test_helpers.ContractCode)))
 		})
-		It("Throws an error for an account it cannot find the code for", func() {
-			_, err := api.GetCode(ctx, randomAddr, rpc.BlockNumberOrHashWithHash(blockHash, true))
-			Expect(err).To(HaveOccurred())
+		It("Returns `nil` for an account it cannot find the code for", func() {
+			code, err := api.GetCode(ctx, randomAddr, rpc.BlockNumberOrHashWithHash(blockHash, true))
+			Expect(err).ToNot(HaveOccurred())
+			Expect(code).To(BeEmpty())
 		})
 	})
 })
-
-func publishCode(db *postgres.DB, codeHash common.Hash, code []byte) error {
-	tx, err := db.Beginx()
-	if err != nil {
-		return err
-	}
-	mhKey, err := shared.MultihashKeyFromKeccak256(codeHash)
-	if err != nil {
-		tx.Rollback()
-		return err
-	}
-	if err := shared.PublishDirect(tx, mhKey, code); err != nil {
-		tx.Rollback()
-		return err
-	}
-	return tx.Commit()
-}

pkg/eth/backend.go

@@ -18,13 +18,14 @@ package eth
 
 import (
 	"context"
+	"database/sql"
 	"errors"
 	"fmt"
 	"math/big"
+	"time"
 
 	"github.com/ethereum/go-ethereum/common"
 	"github.com/ethereum/go-ethereum/common/hexutil"
-	"github.com/ethereum/go-ethereum/common/math"
 	"github.com/ethereum/go-ethereum/consensus"
 	"github.com/ethereum/go-ethereum/consensus/ethash"
 	"github.com/ethereum/go-ethereum/core"
@@ -38,11 +39,13 @@ import (
 	"github.com/ethereum/go-ethereum/params"
 	"github.com/ethereum/go-ethereum/rlp"
 	"github.com/ethereum/go-ethereum/rpc"
+	"github.com/ethereum/go-ethereum/statediff/indexer/ipfs"
+	"github.com/ethereum/go-ethereum/statediff/indexer/postgres"
+	ethServerShared "github.com/ethereum/go-ethereum/statediff/indexer/shared"
 	"github.com/ethereum/go-ethereum/trie"
-
-	"github.com/vulcanize/ipfs-ethdb"
-	"github.com/vulcanize/ipld-eth-indexer/pkg/postgres"
-	shared2 "github.com/vulcanize/ipld-eth-indexer/pkg/shared"
+	log "github.com/sirupsen/logrus"
+	validator "github.com/vulcanize/eth-ipfs-state-validator/pkg"
+	ipfsethdb "github.com/vulcanize/ipfs-ethdb/postgres"
 
 	"github.com/vulcanize/ipld-eth-server/pkg/shared"
 )
@@ -50,6 +53,12 @@ import (
 var (
 	errPendingBlockNumber  = errors.New("pending block number not supported")
 	errNegativeBlockNumber = errors.New("negative block number not supported")
+	errHeaderHashNotFound  = errors.New("header for hash not found")
+	errHeaderNotFound      = errors.New("header not found")
+
+	// errMissingSignature is returned if a block's extra-data section doesn't seem
+	// to contain a 65 byte secp256k1 signature.
+	errMissingSignature = errors.New("extra-data 65 byte signature suffix missing")
 )
 
 const (
@@ -78,6 +87,10 @@ const (
 	RetrieveCodeByMhKey = `SELECT data FROM public.blocks WHERE key = $1`
 )
 
+const (
+	StateDBGroupCacheName = "statedb"
+)
+
 type Backend struct {
 	// underlying postgres db
 	DB *postgres.DB
@@ -95,15 +108,30 @@ type Backend struct {
 }
 
 type Config struct {
-	ChainConfig   *params.ChainConfig
-	VmConfig      vm.Config
-	DefaultSender *common.Address
-	RPCGasCap     *big.Int
+	ChainConfig      *params.ChainConfig
+	VMConfig         vm.Config
+	DefaultSender    *common.Address
+	RPCGasCap        *big.Int
+	GroupCacheConfig *shared.GroupCacheConfig
 }
 
 func NewEthBackend(db *postgres.DB, c *Config) (*Backend, error) {
+	gcc := c.GroupCacheConfig
+
+	groupName := gcc.StateDB.Name
+	if groupName == "" {
+		groupName = StateDBGroupCacheName
+	}
+
 	r := NewCIDRetriever(db)
-	ethDB := ipfsethdb.NewDatabase(db.DB)
+	ethDB := ipfsethdb.NewDatabase(db.DB, ipfsethdb.CacheConfig{
+		Name:           groupName,
+		Size:           gcc.StateDB.CacheSizeInMB * 1024 * 1024,
+		ExpiryDuration: time.Minute * time.Duration(gcc.StateDB.CacheExpiryInMins),
+	})
+
+	logStateDBStatsOnTimer(ethDB.(*ipfsethdb.Database), gcc)
+
 	return &Backend{
 		DB:            db,
 		Retriever:     r,
@@ -174,7 +202,11 @@ func (b *Backend) HeaderByNumberOrHash(ctx context.Context, blockNrOrHash rpc.Bl
 		if header == nil {
 			return nil, errors.New("header for hash not found")
 		}
-		if blockNrOrHash.RequireCanonical && b.GetCanonicalHash(header.Number.Uint64()) != hash {
+		canonicalHash, err := b.GetCanonicalHash(header.Number.Uint64())
+		if err != nil {
+			return nil, err
+		}
+		if blockNrOrHash.RequireCanonical && canonicalHash != hash {
 			return nil, errors.New("hash is not currently canonical")
 		}
 		return header, nil
@@ -197,9 +229,9 @@ func (b *Backend) GetTd(blockHash common.Hash) (*big.Int, error) {
 }
 
 // CurrentBlock returns the current block
-func (b *Backend) CurrentBlock() *types.Block {
-	block, _ := b.BlockByNumber(context.Background(), rpc.LatestBlockNumber)
-	return block
+func (b *Backend) CurrentBlock() (*types.Block, error) {
+	block, err := b.BlockByNumber(context.Background(), rpc.LatestBlockNumber)
+	return block, err
 }
 
 // BlockByNumberOrHash returns block by number or hash
@@ -215,7 +247,11 @@ func (b *Backend) BlockByNumberOrHash(ctx context.Context, blockNrOrHash rpc.Blo
 		if header == nil {
 			return nil, errors.New("header for hash not found")
 		}
-		if blockNrOrHash.RequireCanonical && b.GetCanonicalHash(header.Number.Uint64()) != hash {
+		canonicalHash, err := b.GetCanonicalHash(header.Number.Uint64())
+		if err != nil {
+			return nil, err
+		}
+		if blockNrOrHash.RequireCanonical && canonicalHash != hash {
 			return nil, errors.New("hash is not currently canonical")
 		}
 		block, err := b.BlockByHash(ctx, hash)
@@ -253,14 +289,20 @@ func (b *Backend) BlockByNumber(ctx context.Context, blockNumber rpc.BlockNumber
 		return nil, errNegativeBlockNumber
 	}
 	// Get the canonical hash
-	canonicalHash := b.GetCanonicalHash(uint64(number))
+	canonicalHash, err := b.GetCanonicalHash(uint64(number))
 	if err != nil {
+		if err == sql.ErrNoRows {
+			return nil, nil
+		}
 		return nil, err
 	}
 	// Retrieve all the CIDs for the block
 	// TODO: optimize this by retrieving iplds directly rather than the cids first (this is remanent from when we fetched iplds through ipfs blockservice interface)
 	headerCID, uncleCIDs, txCIDs, rctCIDs, err := b.Retriever.RetrieveBlockByHash(canonicalHash)
 	if err != nil {
+		if err == sql.ErrNoRows {
+			return nil, nil
+		}
 		return nil, err
 	}
 
@@ -271,59 +313,75 @@ func (b *Backend) BlockByNumber(ctx context.Context, blockNumber rpc.BlockNumber
 	}
 	defer func() {
 		if p := recover(); p != nil {
-			shared.Rollback(tx)
+			ethServerShared.Rollback(tx)
 			panic(p)
 		} else if err != nil {
-			shared.Rollback(tx)
+			ethServerShared.Rollback(tx)
 		} else {
 			err = tx.Commit()
 		}
 	}()
 
 	// Fetch and decode the header IPLD
-	headerIPLD, err := b.Fetcher.FetchHeader(tx, headerCID)
+	var headerIPLD ipfs.BlockModel
+	headerIPLD, err = b.Fetcher.FetchHeader(tx, headerCID)
 	if err != nil {
+		if err == sql.ErrNoRows {
+			return nil, nil
+		}
 		return nil, err
 	}
 	var header types.Header
-	if err := rlp.DecodeBytes(headerIPLD.Data, &header); err != nil {
+	err = rlp.DecodeBytes(headerIPLD.Data, &header)
+	if err != nil {
 		return nil, err
 	}
 	// Fetch and decode the uncle IPLDs
-	uncleIPLDs, err := b.Fetcher.FetchUncles(tx, uncleCIDs)
+	var uncleIPLDs []ipfs.BlockModel
+	uncleIPLDs, err = b.Fetcher.FetchUncles(tx, uncleCIDs)
 	if err != nil {
 		return nil, err
 	}
 	var uncles []*types.Header
 	for _, uncleIPLD := range uncleIPLDs {
 		var uncle types.Header
-		if err := rlp.DecodeBytes(uncleIPLD.Data, &uncle); err != nil {
+		err = rlp.DecodeBytes(uncleIPLD.Data, &uncle)
+		if err != nil {
 			return nil, err
 		}
 		uncles = append(uncles, &uncle)
 	}
 	// Fetch and decode the transaction IPLDs
-	txIPLDs, err := b.Fetcher.FetchTrxs(tx, txCIDs)
+	var txIPLDs []ipfs.BlockModel
+	txIPLDs, err = b.Fetcher.FetchTrxs(tx, txCIDs)
 	if err != nil {
 		return nil, err
 	}
 	var transactions []*types.Transaction
 	for _, txIPLD := range txIPLDs {
 		var transaction types.Transaction
-		if err := rlp.DecodeBytes(txIPLD.Data, &transaction); err != nil {
+		err = transaction.UnmarshalBinary(txIPLD.Data)
+		if err != nil {
 			return nil, err
 		}
 		transactions = append(transactions, &transaction)
 	}
 	// Fetch and decode the receipt IPLDs
-	rctIPLDs, err := b.Fetcher.FetchRcts(tx, rctCIDs)
+	var rctIPLDs []ipfs.BlockModel
+	rctIPLDs, err = b.Fetcher.FetchRcts(tx, rctCIDs)
 	if err != nil {
 		return nil, err
 	}
 	var receipts []*types.Receipt
 	for _, rctIPLD := range rctIPLDs {
 		var receipt types.Receipt
-		if err := rlp.DecodeBytes(rctIPLD.Data, &receipt); err != nil {
+		nodeVal, err := DecodeLeafNode(rctIPLD.Data)
+		if err != nil {
+			return nil, err
+		}
+
+		err = receipt.UnmarshalBinary(nodeVal)
+		if err != nil {
 			return nil, err
 		}
 		receipts = append(receipts, &receipt)
@@ -338,6 +396,9 @@ func (b *Backend) BlockByHash(ctx context.Context, hash common.Hash) (*types.Blo
 	// Retrieve all the CIDs for the block
 	headerCID, uncleCIDs, txCIDs, rctCIDs, err := b.Retriever.RetrieveBlockByHash(hash)
 	if err != nil {
+		if err == sql.ErrNoRows {
+			return nil, nil
+		}
 		return nil, err
 	}
 
@@ -348,59 +409,84 @@ func (b *Backend) BlockByHash(ctx context.Context, hash common.Hash) (*types.Blo
 	}
 	defer func() {
 		if p := recover(); p != nil {
-			shared.Rollback(tx)
+			ethServerShared.Rollback(tx)
 			panic(p)
 		} else if err != nil {
-			shared.Rollback(tx)
+			ethServerShared.Rollback(tx)
 		} else {
 			err = tx.Commit()
 		}
 	}()
 
 	// Fetch and decode the header IPLD
-	headerIPLD, err := b.Fetcher.FetchHeader(tx, headerCID)
+	var headerIPLD ipfs.BlockModel
+	headerIPLD, err = b.Fetcher.FetchHeader(tx, headerCID)
 	if err != nil {
+		if err == sql.ErrNoRows {
+			return nil, nil
+		}
 		return nil, err
 	}
 	var header types.Header
-	if err := rlp.DecodeBytes(headerIPLD.Data, &header); err != nil {
+	err = rlp.DecodeBytes(headerIPLD.Data, &header)
+	if err != nil {
 		return nil, err
 	}
 	// Fetch and decode the uncle IPLDs
-	uncleIPLDs, err := b.Fetcher.FetchUncles(tx, uncleCIDs)
+	var uncleIPLDs []ipfs.BlockModel
+	uncleIPLDs, err = b.Fetcher.FetchUncles(tx, uncleCIDs)
 	if err != nil {
+		if err == sql.ErrNoRows {
+			return nil, nil
+		}
 		return nil, err
 	}
 	var uncles []*types.Header
 	for _, uncleIPLD := range uncleIPLDs {
 		var uncle types.Header
-		if err := rlp.DecodeBytes(uncleIPLD.Data, &uncle); err != nil {
+		err = rlp.DecodeBytes(uncleIPLD.Data, &uncle)
+		if err != nil {
 			return nil, err
 		}
 		uncles = append(uncles, &uncle)
 	}
 	// Fetch and decode the transaction IPLDs
-	txIPLDs, err := b.Fetcher.FetchTrxs(tx, txCIDs)
+	var txIPLDs []ipfs.BlockModel
+	txIPLDs, err = b.Fetcher.FetchTrxs(tx, txCIDs)
 	if err != nil {
+		if err == sql.ErrNoRows {
+			return nil, nil
+		}
 		return nil, err
 	}
 	var transactions []*types.Transaction
 	for _, txIPLD := range txIPLDs {
 		var transaction types.Transaction
-		if err := rlp.DecodeBytes(txIPLD.Data, &transaction); err != nil {
+		err = transaction.UnmarshalBinary(txIPLD.Data)
+		if err != nil {
 			return nil, err
 		}
 		transactions = append(transactions, &transaction)
 	}
 	// Fetch and decode the receipt IPLDs
-	rctIPLDs, err := b.Fetcher.FetchRcts(tx, rctCIDs)
+	var rctIPLDs []ipfs.BlockModel
+	rctIPLDs, err = b.Fetcher.FetchRcts(tx, rctCIDs)
 	if err != nil {
+		if err == sql.ErrNoRows {
+			return nil, nil
+		}
 		return nil, err
 	}
 	var receipts []*types.Receipt
 	for _, rctIPLD := range rctIPLDs {
 		var receipt types.Receipt
-		if err := rlp.DecodeBytes(rctIPLD.Data, &receipt); err != nil {
+		nodeVal, err := DecodeLeafNode(rctIPLD.Data)
+		if err != nil {
+			return nil, err
+		}
+
+		err = receipt.UnmarshalBinary(nodeVal)
+		if err != nil {
 			return nil, err
 		}
 		receipts = append(receipts, &receipt)
@@ -422,7 +508,7 @@ func (b *Backend) GetTransaction(ctx context.Context, txHash common.Hash) (*type
 		return nil, common.Hash{}, 0, 0, err
 	}
 	var transaction types.Transaction
-	if err := rlp.DecodeBytes(tempTxStruct.Data, &transaction); err != nil {
+	if err := transaction.UnmarshalBinary(tempTxStruct.Data); err != nil {
 		return nil, common.Hash{}, 0, 0, err
 	}
 	return &transaction, common.HexToHash(tempTxStruct.BlockHash), tempTxStruct.BlockNumber, tempTxStruct.Index, nil
@@ -430,16 +516,17 @@ func (b *Backend) GetTransaction(ctx context.Context, txHash common.Hash) (*type
 
 // GetReceipts retrieves receipts for provided block hash
 func (b *Backend) GetReceipts(ctx context.Context, hash common.Hash) (types.Receipts, error) {
-	_, receiptBytes, err := b.IPLDRetriever.RetrieveReceiptsByBlockHash(hash)
+	_, receiptBytes, txs, err := b.IPLDRetriever.RetrieveReceiptsByBlockHash(hash)
 	if err != nil {
 		return nil, err
 	}
 	rcts := make(types.Receipts, len(receiptBytes))
 	for i, rctBytes := range receiptBytes {
 		rct := new(types.Receipt)
-		if err := rlp.DecodeBytes(rctBytes, rct); err != nil {
+		if err := rct.UnmarshalBinary(rctBytes); err != nil {
 			return nil, err
 		}
+		rct.TxHash = txs[i]
 		rcts[i] = rct
 	}
 	return rcts, nil
@@ -447,7 +534,7 @@ func (b *Backend) GetReceipts(ctx context.Context, hash common.Hash) (types.Rece
 
 // GetLogs returns all the logs for the given block hash
 func (b *Backend) GetLogs(ctx context.Context, hash common.Hash) ([][]*types.Log, error) {
-	_, receiptBytes, err := b.IPLDRetriever.RetrieveReceiptsByBlockHash(hash)
+	_, receiptBytes, txs, err := b.IPLDRetriever.RetrieveReceiptsByBlockHash(hash)
 	if err != nil {
 		return nil, err
 	}
@@ -457,6 +544,11 @@ func (b *Backend) GetLogs(ctx context.Context, hash common.Hash) ([][]*types.Log
 		if err := rlp.DecodeBytes(rctBytes, &rct); err != nil {
 			return nil, err
 		}
+
+		for _, log := range rct.Logs {
+			log.TxHash = txs[i]
+		}
+
 		logs[i] = rct.Logs
 	}
 	return logs, nil
@@ -475,7 +567,11 @@ func (b *Backend) StateAndHeaderByNumberOrHash(ctx context.Context, blockNrOrHas
 		if header == nil {
 			return nil, nil, errors.New("header for hash not found")
 		}
-		if blockNrOrHash.RequireCanonical && b.GetCanonicalHash(header.Number.Uint64()) != hash {
+		canonicalHash, err := b.GetCanonicalHash(header.Number.Uint64())
+		if err != nil {
+			return nil, nil, err
+		}
+		if blockNrOrHash.RequireCanonical && canonicalHash != hash {
 			return nil, nil, errors.New("hash is not currently canonical")
 		}
 		stateDb, err := state.New(header.Root, b.StateDatabase, nil)
@@ -503,12 +599,12 @@ func (b *Backend) StateAndHeaderByNumber(ctx context.Context, number rpc.BlockNu
 }
 
 // GetCanonicalHash gets the canonical hash for the provided number, if there is one
-func (b *Backend) GetCanonicalHash(number uint64) common.Hash {
+func (b *Backend) GetCanonicalHash(number uint64) (common.Hash, error) {
 	var hashResult string
 	if err := b.DB.Get(&hashResult, RetrieveCanonicalBlockHashByNumber, number); err != nil {
-		return common.Hash{}
+		return common.Hash{}, err
 	}
-	return common.HexToHash(hashResult)
+	return common.HexToHash(hashResult), nil
 }
 
 type rowResult struct {
@@ -523,17 +619,17 @@ func (b *Backend) GetCanonicalHeader(number uint64) (string, []byte, error) {
 }
 
 // GetEVM constructs and returns a vm.EVM
-func (b *Backend) GetEVM(ctx context.Context, msg core.Message, state *state.StateDB, header *types.Header) (*vm.EVM, error) {
-	state.SetBalance(msg.From(), math.MaxBig256)
-	vmctx := core.NewEVMBlockContext(header, b, nil)
+func (b *Backend) GetEVM(ctx context.Context, msg core.Message, state *state.StateDB, header *types.Header) (*vm.EVM, func() error, error) {
+	vmError := func() error { return nil }
 	txContext := core.NewEVMTxContext(msg)
-	return vm.NewEVM(vmctx, txContext, state, b.Config.ChainConfig, b.Config.VmConfig), nil
+	context := core.NewEVMBlockContext(header, b, nil)
+	return vm.NewEVM(context, txContext, state, b.Config.ChainConfig, b.Config.VMConfig), vmError, nil
 }
 
 // GetAccountByNumberOrHash returns the account object for the provided address at the block corresponding to the provided number or hash
-func (b *Backend) GetAccountByNumberOrHash(ctx context.Context, address common.Address, blockNrOrHash rpc.BlockNumberOrHash) (*state.Account, error) {
+func (b *Backend) GetAccountByNumberOrHash(ctx context.Context, address common.Address, blockNrOrHash rpc.BlockNumberOrHash) (*types.StateAccount, error) {
 	if blockNr, ok := blockNrOrHash.Number(); ok {
-		return b.GetAccountByNumber(ctx, address, uint64(blockNr.Int64()))
+		return b.GetAccountByNumber(ctx, address, blockNr)
 	}
 	if hash, ok := blockNrOrHash.Hash(); ok {
 		return b.GetAccountByHash(ctx, address, hash)
@@ -542,28 +638,56 @@ func (b *Backend) GetAccountByNumberOrHash(ctx context.Context, address common.A
 }
 
 // GetAccountByNumber returns the account object for the provided address at the canonical block at the provided height
-func (b *Backend) GetAccountByNumber(ctx context.Context, address common.Address, number uint64) (*state.Account, error) {
-	hash := b.GetCanonicalHash(number)
-	if hash == (common.Hash{}) {
-		return nil, fmt.Errorf("no canoncial block hash found for provided height (%d)", number)
+func (b *Backend) GetAccountByNumber(ctx context.Context, address common.Address, blockNumber rpc.BlockNumber) (*types.StateAccount, error) {
+	var err error
+	number := blockNumber.Int64()
+	if blockNumber == rpc.LatestBlockNumber {
+		number, err = b.Retriever.RetrieveLastBlockNumber()
+		if err != nil {
+			return nil, err
+		}
 	}
+	if blockNumber == rpc.EarliestBlockNumber {
+		number, err = b.Retriever.RetrieveFirstBlockNumber()
+		if err != nil {
+			return nil, err
+		}
+	}
+	if blockNumber == rpc.PendingBlockNumber {
+		return nil, errPendingBlockNumber
+	}
+	hash, err := b.GetCanonicalHash(uint64(number))
+	if err == sql.ErrNoRows {
+		return nil, errHeaderNotFound
+	} else if err != nil {
+		return nil, err
+	}
+
 	return b.GetAccountByHash(ctx, address, hash)
 }
 
 // GetAccountByHash returns the account object for the provided address at the block with the provided hash
-func (b *Backend) GetAccountByHash(ctx context.Context, address common.Address, hash common.Hash) (*state.Account, error) {
+func (b *Backend) GetAccountByHash(ctx context.Context, address common.Address, hash common.Hash) (*types.StateAccount, error) {
+	_, err := b.HeaderByHash(context.Background(), hash)
+	if err == sql.ErrNoRows {
+		return nil, errHeaderHashNotFound
+	} else if err != nil {
+		return nil, err
+	}
+
 	_, accountRlp, err := b.IPLDRetriever.RetrieveAccountByAddressAndBlockHash(address, hash)
 	if err != nil {
 		return nil, err
 	}
-	acct := new(state.Account)
+
+	acct := new(types.StateAccount)
 	return acct, rlp.DecodeBytes(accountRlp, acct)
 }
 
 // GetCodeByNumberOrHash returns the byte code for the contract deployed at the provided address at the block with the provided hash or block number
 func (b *Backend) GetCodeByNumberOrHash(ctx context.Context, address common.Address, blockNrOrHash rpc.BlockNumberOrHash) ([]byte, error) {
 	if blockNr, ok := blockNrOrHash.Number(); ok {
-		return b.GetCodeByNumber(ctx, address, uint64(blockNr.Int64()))
+		return b.GetCodeByNumber(ctx, address, blockNr)
 	}
 	if hash, ok := blockNrOrHash.Hash(); ok {
 		return b.GetCodeByHash(ctx, address, hash)
@@ -572,8 +696,28 @@ func (b *Backend) GetCodeByNumberOrHash(ctx context.Context, address common.Addr
 }
 
 // GetCodeByNumber returns the byte code for the contract deployed at the provided address at the canonical block with the provided block number
-func (b *Backend) GetCodeByNumber(ctx context.Context, address common.Address, number uint64) ([]byte, error) {
-	hash := b.GetCanonicalHash(number)
+func (b *Backend) GetCodeByNumber(ctx context.Context, address common.Address, blockNumber rpc.BlockNumber) ([]byte, error) {
+	var err error
+	number := blockNumber.Int64()
+	if blockNumber == rpc.LatestBlockNumber {
+		number, err = b.Retriever.RetrieveLastBlockNumber()
+		if err != nil {
+			return nil, err
+		}
+	}
+	if blockNumber == rpc.EarliestBlockNumber {
+		number, err = b.Retriever.RetrieveFirstBlockNumber()
+		if err != nil {
+			return nil, err
+		}
+	}
+	if blockNumber == rpc.PendingBlockNumber {
+		return nil, errPendingBlockNumber
+	}
+	hash, err := b.GetCanonicalHash(uint64(number))
+	if err != nil {
+		return nil, err
+	}
 	if hash == (common.Hash{}) {
 		return nil, fmt.Errorf("no canoncial block hash found for provided height (%d)", number)
 	}
@@ -591,18 +735,20 @@ func (b *Backend) GetCodeByHash(ctx context.Context, address common.Address, has
 	}
 	defer func() {
 		if p := recover(); p != nil {
-			shared.Rollback(tx)
+			ethServerShared.Rollback(tx)
 			panic(p)
 		} else if err != nil {
-			shared.Rollback(tx)
+			ethServerShared.Rollback(tx)
 		} else {
 			err = tx.Commit()
 		}
 	}()
-	if err := tx.Get(&codeHash, RetrieveCodeHashByLeafKeyAndBlockHash, leafKey.Hex(), hash.Hex()); err != nil {
+	err = tx.Get(&codeHash, RetrieveCodeHashByLeafKeyAndBlockHash, leafKey.Hex(), hash.Hex())
+	if err != nil {
 		return nil, err
 	}
-	mhKey, err := shared2.MultihashKeyFromKeccak256(common.BytesToHash(codeHash))
+	var mhKey string
+	mhKey, err = ethServerShared.MultihashKeyFromKeccak256(common.BytesToHash(codeHash))
 	if err != nil {
 		return nil, err
 	}
@@ -612,28 +758,55 @@ func (b *Backend) GetCodeByHash(ctx context.Context, address common.Address, has
 }
 
 // GetStorageByNumberOrHash returns the storage value for the provided contract address an storage key at the block corresponding to the provided number or hash
-func (b *Backend) GetStorageByNumberOrHash(ctx context.Context, address common.Address, storageLeafKey common.Hash, blockNrOrHash rpc.BlockNumberOrHash) (hexutil.Bytes, error) {
+func (b *Backend) GetStorageByNumberOrHash(ctx context.Context, address common.Address, key common.Hash, blockNrOrHash rpc.BlockNumberOrHash) (hexutil.Bytes, error) {
 	if blockNr, ok := blockNrOrHash.Number(); ok {
-		return b.GetStorageByNumber(ctx, address, storageLeafKey, uint64(blockNr.Int64()))
+		return b.GetStorageByNumber(ctx, address, key, blockNr)
 	}
 	if hash, ok := blockNrOrHash.Hash(); ok {
-		return b.GetStorageByHash(ctx, address, storageLeafKey, hash)
+		return b.GetStorageByHash(ctx, address, key, hash)
 	}
 	return nil, errors.New("invalid arguments; neither block nor hash specified")
 }
 
 // GetStorageByNumber returns the storage value for the provided contract address an storage key at the block corresponding to the provided number
-func (b *Backend) GetStorageByNumber(ctx context.Context, address common.Address, storageLeafKey common.Hash, number uint64) (hexutil.Bytes, error) {
-	hash := b.GetCanonicalHash(number)
-	if hash == (common.Hash{}) {
-		return nil, fmt.Errorf("no canoncial block hash found for provided height (%d)", number)
+func (b *Backend) GetStorageByNumber(ctx context.Context, address common.Address, key common.Hash, blockNumber rpc.BlockNumber) (hexutil.Bytes, error) {
+	var err error
+	number := blockNumber.Int64()
+	if blockNumber == rpc.LatestBlockNumber {
+		number, err = b.Retriever.RetrieveLastBlockNumber()
+		if err != nil {
+			return nil, err
+		}
 	}
-	return b.GetStorageByHash(ctx, address, storageLeafKey, hash)
+	if blockNumber == rpc.EarliestBlockNumber {
+		number, err = b.Retriever.RetrieveFirstBlockNumber()
+		if err != nil {
+			return nil, err
+		}
+	}
+	if blockNumber == rpc.PendingBlockNumber {
+		return nil, errPendingBlockNumber
+	}
+	hash, err := b.GetCanonicalHash(uint64(number))
+	if err == sql.ErrNoRows {
+		return nil, errHeaderNotFound
+	} else if err != nil {
+		return nil, err
+	}
+
+	return b.GetStorageByHash(ctx, address, key, hash)
 }
 
 // GetStorageByHash returns the storage value for the provided contract address an storage key at the block corresponding to the provided hash
-func (b *Backend) GetStorageByHash(ctx context.Context, address common.Address, storageLeafKey, hash common.Hash) (hexutil.Bytes, error) {
-	_, storageRlp, err := b.IPLDRetriever.RetrieveStorageAtByAddressAndStorageKeyAndBlockHash(address, storageLeafKey, hash)
+func (b *Backend) GetStorageByHash(ctx context.Context, address common.Address, key, hash common.Hash) (hexutil.Bytes, error) {
+	_, err := b.HeaderByHash(context.Background(), hash)
+	if err == sql.ErrNoRows {
+		return nil, errHeaderHashNotFound
+	} else if err != nil {
+		return nil, err
+	}
+
+	_, _, storageRlp, err := b.IPLDRetriever.RetrieveStorageAtByAddressAndStorageSlotAndBlockHash(address, key, hash)
 	return storageRlp, err
 }
 
@@ -652,6 +825,11 @@ func (b *Backend) GetHeader(hash common.Hash, height uint64) *types.Header {
 	return header
 }
 
+// ValidateTrie validates the trie for the given stateRoot
+func (b *Backend) ValidateTrie(stateRoot common.Hash) error {
+	return validator.NewValidator(nil, b.EthDB).ValidateTrie(stateRoot)
+}
+
 // RPCGasCap returns the configured gas cap for the rpc server
 func (b *Backend) RPCGasCap() *big.Int {
 	return b.Config.RPCGasCap
@@ -684,3 +862,18 @@ func (b *Backend) BloomStatus() (uint64, uint64) {
 func (b *Backend) ServiceFilter(ctx context.Context, session *bloombits.MatcherSession) {
 	panic("implement me")
 }
+
+func logStateDBStatsOnTimer(ethDB *ipfsethdb.Database, gcc *shared.GroupCacheConfig) {
+	// No stats logging if interval isn't a positive integer.
+	if gcc.StateDB.LogStatsIntervalInSecs <= 0 {
+		return
+	}
+
+	ticker := time.NewTicker(time.Duration(gcc.StateDB.LogStatsIntervalInSecs) * time.Second)
+
+	go func() {
+		for range ticker.C {
+			log.Infof("%s groupcache stats: %+v", StateDBGroupCacheName, ethDB.GetCacheStats())
+		}
+	}()
+}

pkg/eth/backend_utils.go

@@ -23,20 +23,18 @@ import (
 	"math/big"
 
 	"github.com/ethereum/go-ethereum"
-	"github.com/ethereum/go-ethereum/rpc"
-
 	"github.com/ethereum/go-ethereum/common"
 	"github.com/ethereum/go-ethereum/common/hexutil"
+	"github.com/ethereum/go-ethereum/common/math"
 	"github.com/ethereum/go-ethereum/core/types"
 	"github.com/ethereum/go-ethereum/rlp"
-
-	"github.com/vulcanize/ipld-eth-indexer/pkg/ipfs"
+	"github.com/ethereum/go-ethereum/rpc"
 )
 
 // RPCMarshalHeader converts the given header to the RPC output.
 // This function is eth/internal so we have to make our own version here...
 func RPCMarshalHeader(head *types.Header) map[string]interface{} {
-	return map[string]interface{}{
+	headerMap := map[string]interface{}{
 		"number":           (*hexutil.Big)(head.Number),
 		"hash":             head.Hash(),
 		"parentHash":       head.ParentHash,
@@ -55,6 +53,11 @@ func RPCMarshalHeader(head *types.Header) map[string]interface{} {
 		"transactionsRoot": head.TxHash,
 		"receiptsRoot":     head.ReceiptHash,
 	}
+
+	if head.BaseFee != nil {
+		headerMap["baseFee"] = head.BaseFee
+	}
+	return headerMap
 }
 
 // RPCMarshalBlock converts the given block to the RPC output which depends on fullTx. If inclTx is true transactions are
@@ -117,8 +120,8 @@ func RPCMarshalBlockWithUncleHashes(block *types.Block, uncleHashes []common.Has
 		}
 		fields["transactions"] = transactions
 	}
-	fields["uncles"] = uncleHashes
 
+	fields["uncles"] = uncleHashes
 	return fields, nil
 }
 
@@ -134,14 +137,15 @@ func NewRPCTransactionFromBlockHash(b *types.Block, hash common.Hash) *RPCTransa
 
 // NewRPCTransaction returns a transaction that will serialize to the RPC
 // representation, with the given location metadata set (if available).
-func NewRPCTransaction(tx *types.Transaction, blockHash common.Hash, blockNumber uint64, index uint64) *RPCTransaction {
-	var signer types.Signer = types.FrontierSigner{}
+func NewRPCTransaction(tx *types.Transaction, blockHash common.Hash, blockNumber uint64, index uint64, baseFee *big.Int) *RPCTransaction {
+	var signer types.Signer
 	if tx.Protected() {
-		signer = types.NewEIP155Signer(tx.ChainId())
+		signer = types.LatestSignerForChainID(tx.ChainId())
+	} else {
+		signer = types.HomesteadSigner{}
 	}
 	from, _ := types.Sender(signer, tx)
 	v, r, s := tx.RawSignatureValues()
-
 	result := &RPCTransaction{
 		From:     from,
 		Gas:      hexutil.Uint64(tx.Gas()),
@@ -151,6 +155,7 @@ func NewRPCTransaction(tx *types.Transaction, blockHash common.Hash, blockNumber
 		Nonce:    hexutil.Uint64(tx.Nonce()),
 		To:       tx.To(),
 		Value:    (*hexutil.Big)(tx.Value()),
+		Type:     hexutil.Uint64(tx.Type()),
 		V:        (*hexutil.Big)(v),
 		R:        (*hexutil.Big)(r),
 		S:        (*hexutil.Big)(s),
@@ -160,6 +165,26 @@ func NewRPCTransaction(tx *types.Transaction, blockHash common.Hash, blockNumber
 		result.BlockNumber = (*hexutil.Big)(new(big.Int).SetUint64(blockNumber))
 		result.TransactionIndex = (*hexutil.Uint64)(&index)
 	}
+	switch tx.Type() {
+	case types.AccessListTxType:
+		al := tx.AccessList()
+		result.Accesses = &al
+		result.ChainID = (*hexutil.Big)(tx.ChainId())
+	case types.DynamicFeeTxType:
+		al := tx.AccessList()
+		result.Accesses = &al
+		result.ChainID = (*hexutil.Big)(tx.ChainId())
+		result.GasFeeCap = (*hexutil.Big)(tx.GasFeeCap())
+		result.GasTipCap = (*hexutil.Big)(tx.GasTipCap())
+		// if the transaction has been mined, compute the effective gas price
+		if baseFee != nil && blockHash != (common.Hash{}) {
+			// price = min(tip, gasFeeCap - baseFee) + baseFee
+			price := math.BigMin(new(big.Int).Add(tx.GasTipCap(), baseFee), tx.GasFeeCap())
+			result.GasPrice = (*hexutil.Big)(price)
+		} else {
+			result.GasPrice = nil
+		}
+	}
 	return result
 }
 
@@ -240,55 +265,7 @@ func newRPCTransactionFromBlockIndex(b *types.Block, index uint64) *RPCTransacti
 	if index >= uint64(len(txs)) {
 		return nil
 	}
-	return NewRPCTransaction(txs[index], b.Hash(), b.NumberU64(), index)
-}
-
-// extractLogsOfInterest returns logs from the receipt IPLD
-func extractLogsOfInterest(rctIPLDs []ipfs.BlockModel, wantedTopics [][]string) ([]*types.Log, error) {
-	var logs []*types.Log
-	for _, rctIPLD := range rctIPLDs {
-		rctRLP := rctIPLD
-		var rct types.Receipt
-		if err := rlp.DecodeBytes(rctRLP.Data, &rct); err != nil {
-			return nil, err
-		}
-		for _, log := range rct.Logs {
-			if wanted := wantedLog(wantedTopics, log.Topics); wanted == true {
-				logs = append(logs, log)
-			}
-		}
-	}
-	return logs, nil
-}
-
-// returns true if the log matches on the filter
-func wantedLog(wantedTopics [][]string, actualTopics []common.Hash) bool {
-	// actualTopics will always have length <= 4
-	// wantedTopics will always have length 4
-	matches := 0
-	for i, actualTopic := range actualTopics {
-		// If we have topics in this filter slot, count as a match if the actualTopic matches one of the ones in this filter slot
-		if len(wantedTopics[i]) > 0 {
-			matches += sliceContainsHash(wantedTopics[i], actualTopic)
-		} else {
-			// Filter slot is empty, not matching any topics at this slot => counts as a match
-			matches++
-		}
-	}
-	if matches == len(actualTopics) {
-		return true
-	}
-	return false
-}
-
-// returns 1 if the slice contains the hash, 0 if it does not
-func sliceContainsHash(slice []string, hash common.Hash) int {
-	for _, str := range slice {
-		if str == hash.String() {
-			return 1
-		}
-	}
-	return 0
+	return NewRPCTransaction(txs[index], b.Hash(), b.NumberU64(), index, b.BaseFee())
 }
 
 func toFilterArg(q ethereum.FilterQuery) (interface{}, error) {

pkg/eth/cid_retriever.go

@@ -22,13 +22,12 @@ import (
 
 	"github.com/ethereum/go-ethereum/common"
 	"github.com/ethereum/go-ethereum/crypto"
+	"github.com/ethereum/go-ethereum/statediff/indexer/models"
+	"github.com/ethereum/go-ethereum/statediff/indexer/postgres"
 	"github.com/jmoiron/sqlx"
 	"github.com/lib/pq"
 	log "github.com/sirupsen/logrus"
 
-	"github.com/vulcanize/ipld-eth-indexer/pkg/eth"
-	"github.com/vulcanize/ipld-eth-indexer/pkg/postgres"
-
 	"github.com/vulcanize/ipld-eth-server/pkg/shared"
 )
 
@@ -86,9 +85,10 @@ func (ecr *CIDRetriever) Retrieve(filter SubscriptionSettings, blockNumber int64
 	}()
 
 	// Retrieve cached header CIDs at this block height
-	headers, err := ecr.RetrieveHeaderCIDs(tx, blockNumber)
+	var headers []models.HeaderModel
+	headers, err = ecr.RetrieveHeaderCIDs(tx, blockNumber)
 	if err != nil {
-		log.Error("header cid retrieval error")
+		log.Error("header cid retrieval error", err)
 		return nil, true, err
 	}
 	cws := make([]CIDWrapper, len(headers))
@@ -101,7 +101,8 @@ func (ecr *CIDRetriever) Retrieve(filter SubscriptionSettings, blockNumber int64
 			empty = false
 			if filter.HeaderFilter.Uncles {
 				// Retrieve uncle cids for this header id
-				uncleCIDs, err := ecr.RetrieveUncleCIDsByHeaderID(tx, header.ID)
+				var uncleCIDs []models.UncleModel
+				uncleCIDs, err = ecr.RetrieveUncleCIDsByHeaderID(tx, header.ID)
 				if err != nil {
 					log.Error("uncle cid retrieval error")
 					return nil, true, err
@@ -164,18 +165,18 @@ func (ecr *CIDRetriever) Retrieve(filter SubscriptionSettings, blockNumber int64
 }
 
 // RetrieveHeaderCIDs retrieves and returns all of the header cids at the provided blockheight
-func (ecr *CIDRetriever) RetrieveHeaderCIDs(tx *sqlx.Tx, blockNumber int64) ([]eth.HeaderModel, error) {
+func (ecr *CIDRetriever) RetrieveHeaderCIDs(tx *sqlx.Tx, blockNumber int64) ([]models.HeaderModel, error) {
 	log.Debug("retrieving header cids for block ", blockNumber)
-	headers := make([]eth.HeaderModel, 0)
+	headers := make([]models.HeaderModel, 0)
 	pgStr := `SELECT * FROM eth.header_cids
 				WHERE block_number = $1`
 	return headers, tx.Select(&headers, pgStr, blockNumber)
 }
 
 // RetrieveUncleCIDsByHeaderID retrieves and returns all of the uncle cids for the provided header
-func (ecr *CIDRetriever) RetrieveUncleCIDsByHeaderID(tx *sqlx.Tx, headerID int64) ([]eth.UncleModel, error) {
+func (ecr *CIDRetriever) RetrieveUncleCIDsByHeaderID(tx *sqlx.Tx, headerID int64) ([]models.UncleModel, error) {
 	log.Debug("retrieving uncle cids for block id ", headerID)
-	headers := make([]eth.UncleModel, 0)
+	headers := make([]models.UncleModel, 0)
 	pgStr := `SELECT * FROM eth.uncle_cids
 				WHERE header_id = $1`
 	return headers, tx.Select(&headers, pgStr, headerID)
@@ -183,10 +184,10 @@ func (ecr *CIDRetriever) RetrieveUncleCIDsByHeaderID(tx *sqlx.Tx, headerID int64
 
 // RetrieveTxCIDs retrieves and returns all of the trx cids at the provided blockheight that conform to the provided filter parameters
 // also returns the ids for the returned transaction cids
-func (ecr *CIDRetriever) RetrieveTxCIDs(tx *sqlx.Tx, txFilter TxFilter, headerID int64) ([]eth.TxModel, error) {
+func (ecr *CIDRetriever) RetrieveTxCIDs(tx *sqlx.Tx, txFilter TxFilter, headerID int64) ([]models.TxModel, error) {
 	log.Debug("retrieving transaction cids for header id ", headerID)
 	args := make([]interface{}, 0, 3)
-	results := make([]eth.TxModel, 0)
+	results := make([]models.TxModel, 0)
 	id := 1
 	pgStr := fmt.Sprintf(`SELECT transaction_cids.id, transaction_cids.header_id,
  			transaction_cids.tx_hash, transaction_cids.cid, transaction_cids.mh_key,
@@ -208,94 +209,178 @@ func (ecr *CIDRetriever) RetrieveTxCIDs(tx *sqlx.Tx, txFilter TxFilter, headerID
 	return results, tx.Select(&results, pgStr, args...)
 }
 
-// RetrieveRctCIDsByHeaderID retrieves and returns all of the rct cids at the provided header ID that conform to the provided
-// filter parameters and correspond to the provided tx ids
-func (ecr *CIDRetriever) RetrieveRctCIDsByHeaderID(tx *sqlx.Tx, rctFilter ReceiptFilter, headerID int64, trxIds []int64) ([]eth.ReceiptModel, error) {
-	log.Debug("retrieving receipt cids for header id ", headerID)
-	args := make([]interface{}, 0, 4)
-	pgStr := `SELECT receipt_cids.id, receipt_cids.tx_id, receipt_cids.cid, receipt_cids.mh_key,
- 			receipt_cids.contract, receipt_cids.contract_hash, receipt_cids.topic0s, receipt_cids.topic1s,
-			receipt_cids.topic2s, receipt_cids.topic3s, receipt_cids.log_contracts
- 			FROM eth.receipt_cids, eth.transaction_cids, eth.header_cids
-			WHERE receipt_cids.tx_id = transaction_cids.id 
-			AND transaction_cids.header_id = header_cids.id
-			AND header_cids.id = $1`
-	id := 2
-	args = append(args, headerID)
+func topicFilterCondition(id *int, topics [][]string, args []interface{}, pgStr string, first bool) (string, []interface{}) {
+	for i, topicSet := range topics {
+		if len(topicSet) == 0 {
+			continue
+		}
+
+		if !first {
+			pgStr += " AND"
+		} else {
+			first = false
+		}
+		pgStr += fmt.Sprintf(` eth.log_cids.topic%d = ANY ($%d)`, i, *id)
+		args = append(args, pq.Array(topicSet))
+		*id++
+	}
+	return pgStr, args
+}
+
+func logFilterCondition(id *int, pgStr string, args []interface{}, rctFilter ReceiptFilter) (string, []interface{}) {
+	if len(rctFilter.LogAddresses) > 0 {
+		pgStr += fmt.Sprintf(` AND eth.log_cids.address = ANY ($%d)`, *id)
+		args = append(args, pq.Array(rctFilter.LogAddresses))
+		*id++
+	}
+
+	// Filter on topics if there are any
+	if hasTopics(rctFilter.Topics) {
+		pgStr, args = topicFilterCondition(id, rctFilter.Topics, args, pgStr, false)
+	}
+
+	return pgStr, args
+}
+
+func receiptFilterConditions(id *int, pgStr string, args []interface{}, rctFilter ReceiptFilter, trxIds []int64) (string, []interface{}) {
+	rctCond := " AND (receipt_cids.id = ANY ( "
+	logQuery := "SELECT receipt_id FROM eth.log_cids WHERE"
 	if len(rctFilter.LogAddresses) > 0 {
 		// Filter on log contract addresses if there are any
-		pgStr += fmt.Sprintf(` AND ((receipt_cids.log_contracts && $%d::VARCHAR(66)[]`, id)
+		pgStr += fmt.Sprintf(`%s %s eth.log_cids.address = ANY ($%d)`, rctCond, logQuery, *id)
 		args = append(args, pq.Array(rctFilter.LogAddresses))
-		id++
+		*id++
+
 		// Filter on topics if there are any
 		if hasTopics(rctFilter.Topics) {
-			pgStr += " AND ("
-			first := true
-			for i, topicSet := range rctFilter.Topics {
-				if i < 4 && len(topicSet) > 0 {
-					if first {
-						pgStr += fmt.Sprintf(`receipt_cids.topic%ds && $%d::VARCHAR(66)[]`, i, id)
-						first = false
-					} else {
-						pgStr += fmt.Sprintf(` AND receipt_cids.topic%ds && $%d::VARCHAR(66)[]`, i, id)
-					}
-					args = append(args, pq.Array(topicSet))
-					id++
-				}
-			}
-			pgStr += ")"
+			pgStr, args = topicFilterCondition(id, rctFilter.Topics, args, pgStr, false)
 		}
+
 		pgStr += ")"
+
 		// Filter on txIDs if there are any and we are matching txs
 		if rctFilter.MatchTxs && len(trxIds) > 0 {
-			pgStr += fmt.Sprintf(` OR receipt_cids.tx_id = ANY($%d::INTEGER[])`, id)
+			pgStr += fmt.Sprintf(` OR receipt_cids.tx_id = ANY($%d::INTEGER[])`, *id)
 			args = append(args, pq.Array(trxIds))
 		}
 		pgStr += ")"
 	} else { // If there are no contract addresses to filter on
 		// Filter on topics if there are any
 		if hasTopics(rctFilter.Topics) {
-			pgStr += " AND (("
-			first := true
-			for i, topicSet := range rctFilter.Topics {
-				if i < 4 && len(topicSet) > 0 {
-					if first {
-						pgStr += fmt.Sprintf(`receipt_cids.topic%ds && $%d::VARCHAR(66)[]`, i, id)
-						first = false
-					} else {
-						pgStr += fmt.Sprintf(` AND receipt_cids.topic%ds && $%d::VARCHAR(66)[]`, i, id)
-					}
-					args = append(args, pq.Array(topicSet))
-					id++
-				}
-			}
+			pgStr += rctCond + logQuery
+			pgStr, args = topicFilterCondition(id, rctFilter.Topics, args, pgStr, true)
 			pgStr += ")"
 			// Filter on txIDs if there are any and we are matching txs
 			if rctFilter.MatchTxs && len(trxIds) > 0 {
-				pgStr += fmt.Sprintf(` OR receipt_cids.tx_id = ANY($%d::INTEGER[])`, id)
+				pgStr += fmt.Sprintf(` OR receipt_cids.tx_id = ANY($%d::INTEGER[])`, *id)
 				args = append(args, pq.Array(trxIds))
 			}
 			pgStr += ")"
 		} else if rctFilter.MatchTxs && len(trxIds) > 0 {
 			// If there are no contract addresses or topics to filter on,
 			// Filter on txIDs if there are any and we are matching txs
-			pgStr += fmt.Sprintf(` AND receipt_cids.tx_id = ANY($%d::INTEGER[])`, id)
+			pgStr += fmt.Sprintf(` AND receipt_cids.tx_id = ANY($%d::INTEGER[])`, *id)
 			args = append(args, pq.Array(trxIds))
 		}
 	}
+
+	return pgStr, args
+}
+
+// RetrieveRctCIDsByHeaderID retrieves and returns all of the rct cids at the provided header ID that conform to the provided
+// filter parameters and correspond to the provided tx ids
+func (ecr *CIDRetriever) RetrieveRctCIDsByHeaderID(tx *sqlx.Tx, rctFilter ReceiptFilter, headerID int64, trxIds []int64) ([]models.ReceiptModel, error) {
+	log.Debug("retrieving receipt cids for header id ", headerID)
+	args := make([]interface{}, 0, 4)
+	pgStr := `SELECT receipt_cids.id, receipt_cids.tx_id, receipt_cids.leaf_cid, receipt_cids.leaf_mh_key,
+ 			receipt_cids.contract, receipt_cids.contract_hash
+ 			FROM eth.receipt_cids, eth.transaction_cids, eth.header_cids
+			WHERE receipt_cids.tx_id = transaction_cids.id 
+			AND transaction_cids.header_id = header_cids.id
+			AND header_cids.id = $1`
+	id := 2
+	args = append(args, headerID)
+
+	pgStr, args = receiptFilterConditions(&id, pgStr, args, rctFilter, trxIds)
+
 	pgStr += ` ORDER BY transaction_cids.index`
-	receiptCids := make([]eth.ReceiptModel, 0)
+	receiptCids := make([]models.ReceiptModel, 0)
 	return receiptCids, tx.Select(&receiptCids, pgStr, args...)
 }
 
+// RetrieveFilteredGQLLogs retrieves and returns all the log cIDs provided blockHash that conform to the provided
+// filter parameters.
+func (ecr *CIDRetriever) RetrieveFilteredGQLLogs(tx *sqlx.Tx, rctFilter ReceiptFilter, blockHash *common.Hash) ([]LogResult, error) {
+	log.Debug("retrieving log cids for receipt ids")
+	args := make([]interface{}, 0, 4)
+	id := 1
+	pgStr := `SELECT eth.log_cids.leaf_cid, eth.log_cids.index, eth.log_cids.receipt_id,  
+       			eth.log_cids.address, eth.log_cids.topic0, eth.log_cids.topic1, eth.log_cids.topic2, eth.log_cids.topic3, 
+       			eth.log_cids.log_data, eth.transaction_cids.tx_hash, data, eth.receipt_cids.leaf_cid as cid, eth.receipt_cids.post_status
+				FROM eth.log_cids, eth.receipt_cids, eth.transaction_cids, eth.header_cids, public.blocks
+				WHERE eth.log_cids.receipt_id = receipt_cids.id
+				AND receipt_cids.tx_id = transaction_cids.id
+ 				AND transaction_cids.header_id = header_cids.id
+ 				AND log_cids.leaf_mh_key = blocks.key AND header_cids.block_hash = $1`
+
+	args = append(args, blockHash.String())
+	id++
+
+	pgStr, args = logFilterCondition(&id, pgStr, args, rctFilter)
+	pgStr += ` ORDER BY log_cids.index`
+
+	logCIDs := make([]LogResult, 0)
+	err := tx.Select(&logCIDs, pgStr, args...)
+	if err != nil {
+		return nil, err
+	}
+
+	return logCIDs, nil
+}
+
+// RetrieveFilteredLog retrieves and returns all the log cIDs provided blockHeight or blockHash that conform to the provided
+// filter parameters.
+func (ecr *CIDRetriever) RetrieveFilteredLog(tx *sqlx.Tx, rctFilter ReceiptFilter, blockNumber int64, blockHash *common.Hash) ([]LogResult, error) {
+	log.Debug("retrieving log cids for receipt ids")
+	args := make([]interface{}, 0, 4)
+	pgStr := `SELECT eth.log_cids.leaf_cid, eth.log_cids.index, eth.log_cids.receipt_id,  
+       			eth.log_cids.address, eth.log_cids.topic0, eth.log_cids.topic1, eth.log_cids.topic2, eth.log_cids.topic3, 
+       			eth.log_cids.log_data, eth.transaction_cids.tx_hash, eth.transaction_cids.index as txn_index, 
+       			header_cids.block_hash, header_cids.block_number
+				FROM eth.log_cids, eth.receipt_cids, eth.transaction_cids, eth.header_cids
+				WHERE eth.log_cids.receipt_id = receipt_cids.id
+				AND receipt_cids.tx_id = transaction_cids.id
+ 				AND transaction_cids.header_id = header_cids.id`
+	id := 1
+	if blockNumber > 0 {
+		pgStr += fmt.Sprintf(` AND header_cids.block_number = $%d`, id)
+		args = append(args, blockNumber)
+		id++
+	}
+	if blockHash != nil {
+		pgStr += fmt.Sprintf(` AND header_cids.block_hash = $%d`, id)
+		args = append(args, blockHash.String())
+		id++
+	}
+
+	pgStr, args = logFilterCondition(&id, pgStr, args, rctFilter)
+	pgStr += ` ORDER BY log_cids.index`
+
+	logCIDs := make([]LogResult, 0)
+	err := tx.Select(&logCIDs, pgStr, args...)
+	if err != nil {
+		return nil, err
+	}
+
+	return logCIDs, nil
+}
+
 // RetrieveRctCIDs retrieves and returns all of the rct cids at the provided blockheight or block hash that conform to the provided
 // filter parameters and correspond to the provided tx ids
-func (ecr *CIDRetriever) RetrieveRctCIDs(tx *sqlx.Tx, rctFilter ReceiptFilter, blockNumber int64, blockHash *common.Hash, trxIds []int64) ([]eth.ReceiptModel, error) {
+func (ecr *CIDRetriever) RetrieveRctCIDs(tx *sqlx.Tx, rctFilter ReceiptFilter, blockNumber int64, blockHash *common.Hash, trxIds []int64) ([]models.ReceiptModel, error) {
 	log.Debug("retrieving receipt cids for block ", blockNumber)
 	args := make([]interface{}, 0, 5)
-	pgStr := `SELECT receipt_cids.id, receipt_cids.tx_id, receipt_cids.cid, receipt_cids.mh_key,
- 			receipt_cids.contract, receipt_cids.contract_hash, receipt_cids.topic0s, receipt_cids.topic1s,
-			receipt_cids.topic2s, receipt_cids.topic3s, receipt_cids.log_contracts
+	pgStr := `SELECT receipt_cids.id, receipt_cids.leaf_cid, receipt_cids.leaf_mh_key, receipt_cids.tx_id
  			FROM eth.receipt_cids, eth.transaction_cids, eth.header_cids
 			WHERE receipt_cids.tx_id = transaction_cids.id 
 			AND transaction_cids.header_id = header_cids.id`
@@ -310,69 +395,11 @@ func (ecr *CIDRetriever) RetrieveRctCIDs(tx *sqlx.Tx, rctFilter ReceiptFilter, b
 		args = append(args, blockHash.String())
 		id++
 	}
-	if len(rctFilter.LogAddresses) > 0 {
-		// Filter on log contract addresses if there are any
-		pgStr += fmt.Sprintf(` AND ((receipt_cids.log_contracts && $%d::VARCHAR(66)[]`, id)
-		args = append(args, pq.Array(rctFilter.LogAddresses))
-		id++
-		// Filter on topics if there are any
-		if hasTopics(rctFilter.Topics) {
-			pgStr += " AND ("
-			first := true
-			for i, topicSet := range rctFilter.Topics {
-				if i < 4 && len(topicSet) > 0 {
-					if first {
-						pgStr += fmt.Sprintf(`receipt_cids.topic%ds && $%d::VARCHAR(66)[]`, i, id)
-						first = false
-					} else {
-						pgStr += fmt.Sprintf(` AND receipt_cids.topic%ds && $%d::VARCHAR(66)[]`, i, id)
-					}
-					args = append(args, pq.Array(topicSet))
-					id++
-				}
-			}
-			pgStr += ")"
-		}
-		pgStr += ")"
-		// Filter on txIDs if there are any and we are matching txs
-		if rctFilter.MatchTxs && len(trxIds) > 0 {
-			pgStr += fmt.Sprintf(` OR receipt_cids.tx_id = ANY($%d::INTEGER[])`, id)
-			args = append(args, pq.Array(trxIds))
-		}
-		pgStr += ")"
-	} else { // If there are no contract addresses to filter on
-		// Filter on topics if there are any
-		if hasTopics(rctFilter.Topics) {
-			pgStr += " AND (("
-			first := true
-			for i, topicSet := range rctFilter.Topics {
-				if i < 4 && len(topicSet) > 0 {
-					if first {
-						pgStr += fmt.Sprintf(`receipt_cids.topic%ds && $%d::VARCHAR(66)[]`, i, id)
-						first = false
-					} else {
-						pgStr += fmt.Sprintf(` AND receipt_cids.topic%ds && $%d::VARCHAR(66)[]`, i, id)
-					}
-					args = append(args, pq.Array(topicSet))
-					id++
-				}
-			}
-			pgStr += ")"
-			// Filter on txIDs if there are any and we are matching txs
-			if rctFilter.MatchTxs && len(trxIds) > 0 {
-				pgStr += fmt.Sprintf(` OR receipt_cids.tx_id = ANY($%d::INTEGER[])`, id)
-				args = append(args, pq.Array(trxIds))
-			}
-			pgStr += ")"
-		} else if rctFilter.MatchTxs && len(trxIds) > 0 {
-			// If there are no contract addresses or topics to filter on,
-			// Filter on txIDs if there are any and we are matching txs
-			pgStr += fmt.Sprintf(` AND receipt_cids.tx_id = ANY($%d::INTEGER[])`, id)
-			args = append(args, pq.Array(trxIds))
-		}
-	}
+
+	pgStr, args = receiptFilterConditions(&id, pgStr, args, rctFilter, trxIds)
+
 	pgStr += ` ORDER BY transaction_cids.index`
-	receiptCids := make([]eth.ReceiptModel, 0)
+	receiptCids := make([]models.ReceiptModel, 0)
 	return receiptCids, tx.Select(&receiptCids, pgStr, args...)
 }
 
@@ -386,7 +413,7 @@ func hasTopics(topics [][]string) bool {
 }
 
 // RetrieveStateCIDs retrieves and returns all of the state node cids at the provided header ID that conform to the provided filter parameters
-func (ecr *CIDRetriever) RetrieveStateCIDs(tx *sqlx.Tx, stateFilter StateFilter, headerID int64) ([]eth.StateNodeModel, error) {
+func (ecr *CIDRetriever) RetrieveStateCIDs(tx *sqlx.Tx, stateFilter StateFilter, headerID int64) ([]models.StateNodeModel, error) {
 	log.Debug("retrieving state cids for header id ", headerID)
 	args := make([]interface{}, 0, 2)
 	pgStr := `SELECT state_cids.id, state_cids.header_id,
@@ -406,12 +433,12 @@ func (ecr *CIDRetriever) RetrieveStateCIDs(tx *sqlx.Tx, stateFilter StateFilter,
 	if !stateFilter.IntermediateNodes {
 		pgStr += ` AND state_cids.node_type = 2`
 	}
-	stateNodeCIDs := make([]eth.StateNodeModel, 0)
+	stateNodeCIDs := make([]models.StateNodeModel, 0)
 	return stateNodeCIDs, tx.Select(&stateNodeCIDs, pgStr, args...)
 }
 
 // RetrieveStorageCIDs retrieves and returns all of the storage node cids at the provided header id that conform to the provided filter parameters
-func (ecr *CIDRetriever) RetrieveStorageCIDs(tx *sqlx.Tx, storageFilter StorageFilter, headerID int64) ([]eth.StorageNodeWithStateKeyModel, error) {
+func (ecr *CIDRetriever) RetrieveStorageCIDs(tx *sqlx.Tx, storageFilter StorageFilter, headerID int64) ([]models.StorageNodeWithStateKeyModel, error) {
 	log.Debug("retrieving storage cids for header id ", headerID)
 	args := make([]interface{}, 0, 3)
 	pgStr := `SELECT storage_cids.id, storage_cids.state_id, storage_cids.storage_leaf_key, storage_cids.node_type,
@@ -439,18 +466,18 @@ func (ecr *CIDRetriever) RetrieveStorageCIDs(tx *sqlx.Tx, storageFilter StorageF
 	if !storageFilter.IntermediateNodes {
 		pgStr += ` AND storage_cids.node_type = 2`
 	}
-	storageNodeCIDs := make([]eth.StorageNodeWithStateKeyModel, 0)
+	storageNodeCIDs := make([]models.StorageNodeWithStateKeyModel, 0)
 	return storageNodeCIDs, tx.Select(&storageNodeCIDs, pgStr, args...)
 }
 
 // RetrieveBlockByHash returns all of the CIDs needed to compose an entire block, for a given block hash
-func (ecr *CIDRetriever) RetrieveBlockByHash(blockHash common.Hash) (eth.HeaderModel, []eth.UncleModel, []eth.TxModel, []eth.ReceiptModel, error) {
+func (ecr *CIDRetriever) RetrieveBlockByHash(blockHash common.Hash) (models.HeaderModel, []models.UncleModel, []models.TxModel, []models.ReceiptModel, error) {
 	log.Debug("retrieving block cids for block hash ", blockHash.String())
 
 	// Begin new db tx
 	tx, err := ecr.db.Beginx()
 	if err != nil {
-		return eth.HeaderModel{}, nil, nil, nil, err
+		return models.HeaderModel{}, nil, nil, nil, err
 	}
 	defer func() {
 		if p := recover(); p != nil {
@@ -463,26 +490,30 @@ func (ecr *CIDRetriever) RetrieveBlockByHash(blockHash common.Hash) (eth.HeaderM
 		}
 	}()
 
-	headerCID, err := ecr.RetrieveHeaderCIDByHash(tx, blockHash)
+	var headerCID models.HeaderModel
+	headerCID, err = ecr.RetrieveHeaderCIDByHash(tx, blockHash)
 	if err != nil {
 		log.Error("header cid retrieval error")
-		return eth.HeaderModel{}, nil, nil, nil, err
+		return models.HeaderModel{}, nil, nil, nil, err
 	}
-	uncleCIDs, err := ecr.RetrieveUncleCIDsByHeaderID(tx, headerCID.ID)
+	var uncleCIDs []models.UncleModel
+	uncleCIDs, err = ecr.RetrieveUncleCIDsByHeaderID(tx, headerCID.ID)
 	if err != nil {
 		log.Error("uncle cid retrieval error")
-		return eth.HeaderModel{}, nil, nil, nil, err
+		return models.HeaderModel{}, nil, nil, nil, err
 	}
-	txCIDs, err := ecr.RetrieveTxCIDsByHeaderID(tx, headerCID.ID)
+	var txCIDs []models.TxModel
+	txCIDs, err = ecr.RetrieveTxCIDsByHeaderID(tx, headerCID.ID)
 	if err != nil {
 		log.Error("tx cid retrieval error")
-		return eth.HeaderModel{}, nil, nil, nil, err
+		return models.HeaderModel{}, nil, nil, nil, err
 	}
 	txIDs := make([]int64, len(txCIDs))
 	for i, txCID := range txCIDs {
 		txIDs[i] = txCID.ID
 	}
-	rctCIDs, err := ecr.RetrieveReceiptCIDsByTxIDs(tx, txIDs)
+	var rctCIDs []models.ReceiptModel
+	rctCIDs, err = ecr.RetrieveReceiptCIDsByTxIDs(tx, txIDs)
 	if err != nil {
 		log.Error("rct cid retrieval error")
 	}
@@ -490,13 +521,13 @@ func (ecr *CIDRetriever) RetrieveBlockByHash(blockHash common.Hash) (eth.HeaderM
 }
 
 // RetrieveBlockByNumber returns all of the CIDs needed to compose an entire block, for a given block number
-func (ecr *CIDRetriever) RetrieveBlockByNumber(blockNumber int64) (eth.HeaderModel, []eth.UncleModel, []eth.TxModel, []eth.ReceiptModel, error) {
+func (ecr *CIDRetriever) RetrieveBlockByNumber(blockNumber int64) (models.HeaderModel, []models.UncleModel, []models.TxModel, []models.ReceiptModel, error) {
 	log.Debug("retrieving block cids for block number ", blockNumber)
 
 	// Begin new db tx
 	tx, err := ecr.db.Beginx()
 	if err != nil {
-		return eth.HeaderModel{}, nil, nil, nil, err
+		return models.HeaderModel{}, nil, nil, nil, err
 	}
 	defer func() {
 		if p := recover(); p != nil {
@@ -509,29 +540,33 @@ func (ecr *CIDRetriever) RetrieveBlockByNumber(blockNumber int64) (eth.HeaderMod
 		}
 	}()
 
-	headerCID, err := ecr.RetrieveHeaderCIDs(tx, blockNumber)
+	var headerCID []models.HeaderModel
+	headerCID, err = ecr.RetrieveHeaderCIDs(tx, blockNumber)
 	if err != nil {
 		log.Error("header cid retrieval error")
-		return eth.HeaderModel{}, nil, nil, nil, err
+		return models.HeaderModel{}, nil, nil, nil, err
 	}
 	if len(headerCID) < 1 {
-		return eth.HeaderModel{}, nil, nil, nil, fmt.Errorf("header cid retrieval error, no header CIDs found at block %d", blockNumber)
+		return models.HeaderModel{}, nil, nil, nil, fmt.Errorf("header cid retrieval error, no header CIDs found at block %d", blockNumber)
 	}
-	uncleCIDs, err := ecr.RetrieveUncleCIDsByHeaderID(tx, headerCID[0].ID)
+	var uncleCIDs []models.UncleModel
+	uncleCIDs, err = ecr.RetrieveUncleCIDsByHeaderID(tx, headerCID[0].ID)
 	if err != nil {
 		log.Error("uncle cid retrieval error")
-		return eth.HeaderModel{}, nil, nil, nil, err
+		return models.HeaderModel{}, nil, nil, nil, err
 	}
-	txCIDs, err := ecr.RetrieveTxCIDsByHeaderID(tx, headerCID[0].ID)
+	var txCIDs []models.TxModel
+	txCIDs, err = ecr.RetrieveTxCIDsByHeaderID(tx, headerCID[0].ID)
 	if err != nil {
 		log.Error("tx cid retrieval error")
-		return eth.HeaderModel{}, nil, nil, nil, err
+		return models.HeaderModel{}, nil, nil, nil, err
 	}
 	txIDs := make([]int64, len(txCIDs))
 	for i, txCID := range txCIDs {
 		txIDs[i] = txCID.ID
 	}
-	rctCIDs, err := ecr.RetrieveReceiptCIDsByTxIDs(tx, txIDs)
+	var rctCIDs []models.ReceiptModel
+	rctCIDs, err = ecr.RetrieveReceiptCIDsByTxIDs(tx, txIDs)
 	if err != nil {
 		log.Error("rct cid retrieval error")
 	}
@@ -539,34 +574,33 @@ func (ecr *CIDRetriever) RetrieveBlockByNumber(blockNumber int64) (eth.HeaderMod
 }
 
 // RetrieveHeaderCIDByHash returns the header for the given block hash
-func (ecr *CIDRetriever) RetrieveHeaderCIDByHash(tx *sqlx.Tx, blockHash common.Hash) (eth.HeaderModel, error) {
+func (ecr *CIDRetriever) RetrieveHeaderCIDByHash(tx *sqlx.Tx, blockHash common.Hash) (models.HeaderModel, error) {
 	log.Debug("retrieving header cids for block hash ", blockHash.String())
 	pgStr := `SELECT * FROM eth.header_cids
 			WHERE block_hash = $1`
-	var headerCID eth.HeaderModel
+	var headerCID models.HeaderModel
 	return headerCID, tx.Get(&headerCID, pgStr, blockHash.String())
 }
 
 // RetrieveTxCIDsByHeaderID retrieves all tx CIDs for the given header id
-func (ecr *CIDRetriever) RetrieveTxCIDsByHeaderID(tx *sqlx.Tx, headerID int64) ([]eth.TxModel, error) {
+func (ecr *CIDRetriever) RetrieveTxCIDsByHeaderID(tx *sqlx.Tx, headerID int64) ([]models.TxModel, error) {
 	log.Debug("retrieving tx cids for block id ", headerID)
 	pgStr := `SELECT * FROM eth.transaction_cids
 			WHERE header_id = $1
 			ORDER BY index`
-	var txCIDs []eth.TxModel
+	var txCIDs []models.TxModel
 	return txCIDs, tx.Select(&txCIDs, pgStr, headerID)
 }
 
 // RetrieveReceiptCIDsByTxIDs retrieves receipt CIDs by their associated tx IDs
-func (ecr *CIDRetriever) RetrieveReceiptCIDsByTxIDs(tx *sqlx.Tx, txIDs []int64) ([]eth.ReceiptModel, error) {
+func (ecr *CIDRetriever) RetrieveReceiptCIDsByTxIDs(tx *sqlx.Tx, txIDs []int64) ([]models.ReceiptModel, error) {
 	log.Debugf("retrieving receipt cids for tx ids %v", txIDs)
-	pgStr := `SELECT receipt_cids.id, receipt_cids.tx_id, receipt_cids.cid, receipt_cids.mh_key,
- 			receipt_cids.contract, receipt_cids.contract_hash, receipt_cids.topic0s, receipt_cids.topic1s,
-			receipt_cids.topic2s, receipt_cids.topic3s, receipt_cids.log_contracts
+	pgStr := `SELECT receipt_cids.id, receipt_cids.tx_id, receipt_cids.leaf_cid, receipt_cids.leaf_mh_key,
+ 			receipt_cids.contract, receipt_cids.contract_hash
 			FROM eth.receipt_cids, eth.transaction_cids
 			WHERE tx_id = ANY($1::INTEGER[])
 			AND receipt_cids.tx_id = transaction_cids.id
 			ORDER BY transaction_cids.index`
-	var rctCIDs []eth.ReceiptModel
+	var rctCIDs []models.ReceiptModel
 	return rctCIDs, tx.Select(&rctCIDs, pgStr, pq.Array(txIDs))
 }

pkg/eth/cid_retriever_test.go

@@ -19,17 +19,17 @@ package eth_test
 import (
 	"math/big"
 
+	"github.com/ethereum/go-ethereum/params"
+	"github.com/ethereum/go-ethereum/statediff/indexer"
+	"github.com/ethereum/go-ethereum/statediff/indexer/models"
+	"github.com/ethereum/go-ethereum/statediff/indexer/postgres"
 	"github.com/ethereum/go-ethereum/trie"
-	"github.com/vulcanize/ipld-eth-indexer/pkg/shared"
 
 	"github.com/ethereum/go-ethereum/common"
 	"github.com/ethereum/go-ethereum/core/types"
 	. "github.com/onsi/ginkgo"
 	. "github.com/onsi/gomega"
 
-	eth2 "github.com/vulcanize/ipld-eth-indexer/pkg/eth"
-	"github.com/vulcanize/ipld-eth-indexer/pkg/postgres"
-
 	"github.com/vulcanize/ipld-eth-server/pkg/eth"
 	"github.com/vulcanize/ipld-eth-server/pkg/eth/test_helpers"
 )
@@ -211,15 +211,17 @@ var (
 
 var _ = Describe("Retriever", func() {
 	var (
-		db        *postgres.DB
-		repo      *eth2.IPLDPublisher
-		retriever *eth.CIDRetriever
+		db          *postgres.DB
+		diffIndexer *indexer.StateDiffIndexer
+		retriever   *eth.CIDRetriever
 	)
 	BeforeEach(func() {
 		var err error
-		db, err = shared.SetupDB()
+		db, err = SetupDB()
 		Expect(err).ToNot(HaveOccurred())
-		repo = eth2.NewIPLDPublisher(db)
+		diffIndexer, err = indexer.NewStateDiffIndexer(params.TestChainConfig, db)
+		Expect(err).ToNot(HaveOccurred())
+
 		retriever = eth.NewCIDRetriever(db)
 	})
 	AfterEach(func() {
@@ -228,28 +230,48 @@ var _ = Describe("Retriever", func() {
 
 	Describe("Retrieve", func() {
 		BeforeEach(func() {
-			err := repo.Publish(test_helpers.MockConvertedPayload)
+			tx, err := diffIndexer.PushBlock(test_helpers.MockBlock, test_helpers.MockReceipts, test_helpers.MockBlock.Difficulty())
+			Expect(err).ToNot(HaveOccurred())
+			for _, node := range test_helpers.MockStateNodes {
+				err = diffIndexer.PushStateNode(tx, node)
+				Expect(err).ToNot(HaveOccurred())
+			}
+
+			err = tx.Close(err)
 			Expect(err).ToNot(HaveOccurred())
 		})
 		It("Retrieves all CIDs for the given blocknumber when provided an open filter", func() {
+			type rctCIDAndMHKeyResult struct {
+				LeafCID   string `db:"leaf_cid"`
+				LeafMhKey string `db:"leaf_mh_key"`
+			}
+			expectedRctCIDsAndLeafNodes := make([]rctCIDAndMHKeyResult, 0)
+			pgStr := `SELECT receipt_cids.leaf_cid, receipt_cids.leaf_mh_key FROM eth.receipt_cids, eth.transaction_cids, eth.header_cids
+				WHERE receipt_cids.tx_id = transaction_cids.id
+				AND transaction_cids.header_id = header_cids.id
+				AND header_cids.block_number = $1
+				ORDER BY transaction_cids.index`
+			err := db.Select(&expectedRctCIDsAndLeafNodes, pgStr, test_helpers.BlockNumber.Uint64())
 			cids, empty, err := retriever.Retrieve(openFilter, 1)
 			Expect(err).ToNot(HaveOccurred())
 			Expect(empty).ToNot(BeTrue())
 			Expect(len(cids)).To(Equal(1))
 			Expect(cids[0].BlockNumber).To(Equal(test_helpers.MockCIDWrapper.BlockNumber))
+
 			expectedHeaderCID := test_helpers.MockCIDWrapper.Header
 			expectedHeaderCID.ID = cids[0].Header.ID
 			expectedHeaderCID.NodeID = cids[0].Header.NodeID
 			Expect(cids[0].Header).To(Equal(expectedHeaderCID))
-			Expect(len(cids[0].Transactions)).To(Equal(3))
+			Expect(len(cids[0].Transactions)).To(Equal(4))
 			Expect(eth.TxModelsContainsCID(cids[0].Transactions, test_helpers.MockCIDWrapper.Transactions[0].CID)).To(BeTrue())
 			Expect(eth.TxModelsContainsCID(cids[0].Transactions, test_helpers.MockCIDWrapper.Transactions[1].CID)).To(BeTrue())
 			Expect(eth.TxModelsContainsCID(cids[0].Transactions, test_helpers.MockCIDWrapper.Transactions[2].CID)).To(BeTrue())
-			Expect(len(cids[0].Receipts)).To(Equal(3))
-			Expect(eth.ReceiptModelsContainsCID(cids[0].Receipts, test_helpers.MockCIDWrapper.Receipts[0].CID)).To(BeTrue())
-			Expect(eth.ReceiptModelsContainsCID(cids[0].Receipts, test_helpers.MockCIDWrapper.Receipts[1].CID)).To(BeTrue())
-			Expect(eth.ReceiptModelsContainsCID(cids[0].Receipts, test_helpers.MockCIDWrapper.Receipts[2].CID)).To(BeTrue())
+			Expect(len(cids[0].Receipts)).To(Equal(4))
+			Expect(eth.ReceiptModelsContainsCID(cids[0].Receipts, expectedRctCIDsAndLeafNodes[0].LeafCID)).To(BeTrue())
+			Expect(eth.ReceiptModelsContainsCID(cids[0].Receipts, expectedRctCIDsAndLeafNodes[1].LeafCID)).To(BeTrue())
+			Expect(eth.ReceiptModelsContainsCID(cids[0].Receipts, expectedRctCIDsAndLeafNodes[2].LeafCID)).To(BeTrue())
 			Expect(len(cids[0].StateNodes)).To(Equal(2))
+
 			for _, stateNode := range cids[0].StateNodes {
 				if stateNode.CID == test_helpers.State1CID.String() {
 					Expect(stateNode.StateKey).To(Equal(common.BytesToHash(test_helpers.ContractLeafKey).Hex()))
@@ -270,12 +292,23 @@ var _ = Describe("Retriever", func() {
 		})
 
 		It("Applies filters from the provided config.Subscription", func() {
+			type rctCIDAndMHKeyResult struct {
+				LeafCID   string `db:"leaf_cid"`
+				LeafMhKey string `db:"leaf_mh_key"`
+			}
+			expectedRctCIDsAndLeafNodes := make([]rctCIDAndMHKeyResult, 0)
+			pgStr := `SELECT receipt_cids.leaf_cid, receipt_cids.leaf_mh_key FROM eth.receipt_cids, eth.transaction_cids, eth.header_cids
+				WHERE receipt_cids.tx_id = transaction_cids.id
+				AND transaction_cids.header_id = header_cids.id
+				AND header_cids.block_number = $1
+				ORDER BY transaction_cids.index`
+			err := db.Select(&expectedRctCIDsAndLeafNodes, pgStr, test_helpers.BlockNumber.Uint64())
 			cids1, empty, err := retriever.Retrieve(rctAddressFilter, 1)
 			Expect(err).ToNot(HaveOccurred())
 			Expect(empty).ToNot(BeTrue())
 			Expect(len(cids1)).To(Equal(1))
 			Expect(cids1[0].BlockNumber).To(Equal(test_helpers.MockCIDWrapper.BlockNumber))
-			Expect(cids1[0].Header).To(Equal(eth2.HeaderModel{}))
+			Expect(cids1[0].Header).To(Equal(models.HeaderModel{}))
 			Expect(len(cids1[0].Transactions)).To(Equal(0))
 			Expect(len(cids1[0].StateNodes)).To(Equal(0))
 			Expect(len(cids1[0].StorageNodes)).To(Equal(0))
@@ -283,6 +316,8 @@ var _ = Describe("Retriever", func() {
 			expectedReceiptCID := test_helpers.MockCIDWrapper.Receipts[0]
 			expectedReceiptCID.ID = cids1[0].Receipts[0].ID
 			expectedReceiptCID.TxID = cids1[0].Receipts[0].TxID
+			expectedReceiptCID.LeafCID = expectedRctCIDsAndLeafNodes[0].LeafCID
+			expectedReceiptCID.LeafMhKey = expectedRctCIDsAndLeafNodes[0].LeafMhKey
 			Expect(cids1[0].Receipts[0]).To(Equal(expectedReceiptCID))
 
 			cids2, empty, err := retriever.Retrieve(rctTopicsFilter, 1)
@@ -290,7 +325,7 @@ var _ = Describe("Retriever", func() {
 			Expect(empty).ToNot(BeTrue())
 			Expect(len(cids2)).To(Equal(1))
 			Expect(cids2[0].BlockNumber).To(Equal(test_helpers.MockCIDWrapper.BlockNumber))
-			Expect(cids2[0].Header).To(Equal(eth2.HeaderModel{}))
+			Expect(cids2[0].Header).To(Equal(models.HeaderModel{}))
 			Expect(len(cids2[0].Transactions)).To(Equal(0))
 			Expect(len(cids2[0].StateNodes)).To(Equal(0))
 			Expect(len(cids2[0].StorageNodes)).To(Equal(0))
@@ -298,6 +333,8 @@ var _ = Describe("Retriever", func() {
 			expectedReceiptCID = test_helpers.MockCIDWrapper.Receipts[0]
 			expectedReceiptCID.ID = cids2[0].Receipts[0].ID
 			expectedReceiptCID.TxID = cids2[0].Receipts[0].TxID
+			expectedReceiptCID.LeafCID = expectedRctCIDsAndLeafNodes[0].LeafCID
+			expectedReceiptCID.LeafMhKey = expectedRctCIDsAndLeafNodes[0].LeafMhKey
 			Expect(cids2[0].Receipts[0]).To(Equal(expectedReceiptCID))
 
 			cids3, empty, err := retriever.Retrieve(rctTopicsAndAddressFilter, 1)
@@ -305,7 +342,7 @@ var _ = Describe("Retriever", func() {
 			Expect(empty).ToNot(BeTrue())
 			Expect(len(cids3)).To(Equal(1))
 			Expect(cids3[0].BlockNumber).To(Equal(test_helpers.MockCIDWrapper.BlockNumber))
-			Expect(cids3[0].Header).To(Equal(eth2.HeaderModel{}))
+			Expect(cids3[0].Header).To(Equal(models.HeaderModel{}))
 			Expect(len(cids3[0].Transactions)).To(Equal(0))
 			Expect(len(cids3[0].StateNodes)).To(Equal(0))
 			Expect(len(cids3[0].StorageNodes)).To(Equal(0))
@@ -313,6 +350,8 @@ var _ = Describe("Retriever", func() {
 			expectedReceiptCID = test_helpers.MockCIDWrapper.Receipts[0]
 			expectedReceiptCID.ID = cids3[0].Receipts[0].ID
 			expectedReceiptCID.TxID = cids3[0].Receipts[0].TxID
+			expectedReceiptCID.LeafCID = expectedRctCIDsAndLeafNodes[0].LeafCID
+			expectedReceiptCID.LeafMhKey = expectedRctCIDsAndLeafNodes[0].LeafMhKey
 			Expect(cids3[0].Receipts[0]).To(Equal(expectedReceiptCID))
 
 			cids4, empty, err := retriever.Retrieve(rctAddressesAndTopicFilter, 1)
@@ -320,7 +359,7 @@ var _ = Describe("Retriever", func() {
 			Expect(empty).ToNot(BeTrue())
 			Expect(len(cids4)).To(Equal(1))
 			Expect(cids4[0].BlockNumber).To(Equal(test_helpers.MockCIDWrapper.BlockNumber))
-			Expect(cids4[0].Header).To(Equal(eth2.HeaderModel{}))
+			Expect(cids4[0].Header).To(Equal(models.HeaderModel{}))
 			Expect(len(cids4[0].Transactions)).To(Equal(0))
 			Expect(len(cids4[0].StateNodes)).To(Equal(0))
 			Expect(len(cids4[0].StorageNodes)).To(Equal(0))
@@ -328,6 +367,8 @@ var _ = Describe("Retriever", func() {
 			expectedReceiptCID = test_helpers.MockCIDWrapper.Receipts[1]
 			expectedReceiptCID.ID = cids4[0].Receipts[0].ID
 			expectedReceiptCID.TxID = cids4[0].Receipts[0].TxID
+			expectedReceiptCID.LeafCID = expectedRctCIDsAndLeafNodes[1].LeafCID
+			expectedReceiptCID.LeafMhKey = expectedRctCIDsAndLeafNodes[1].LeafMhKey
 			Expect(cids4[0].Receipts[0]).To(Equal(expectedReceiptCID))
 
 			cids5, empty, err := retriever.Retrieve(rctsForAllCollectedTrxs, 1)
@@ -335,24 +376,24 @@ var _ = Describe("Retriever", func() {
 			Expect(empty).ToNot(BeTrue())
 			Expect(len(cids5)).To(Equal(1))
 			Expect(cids5[0].BlockNumber).To(Equal(test_helpers.MockCIDWrapper.BlockNumber))
-			Expect(cids5[0].Header).To(Equal(eth2.HeaderModel{}))
-			Expect(len(cids5[0].Transactions)).To(Equal(3))
+			Expect(cids5[0].Header).To(Equal(models.HeaderModel{}))
+			Expect(len(cids5[0].Transactions)).To(Equal(4))
 			Expect(eth.TxModelsContainsCID(cids5[0].Transactions, test_helpers.Trx1CID.String())).To(BeTrue())
 			Expect(eth.TxModelsContainsCID(cids5[0].Transactions, test_helpers.Trx2CID.String())).To(BeTrue())
 			Expect(eth.TxModelsContainsCID(cids5[0].Transactions, test_helpers.Trx3CID.String())).To(BeTrue())
 			Expect(len(cids5[0].StateNodes)).To(Equal(0))
 			Expect(len(cids5[0].StorageNodes)).To(Equal(0))
-			Expect(len(cids5[0].Receipts)).To(Equal(3))
-			Expect(eth.ReceiptModelsContainsCID(cids5[0].Receipts, test_helpers.Rct1CID.String())).To(BeTrue())
-			Expect(eth.ReceiptModelsContainsCID(cids5[0].Receipts, test_helpers.Rct2CID.String())).To(BeTrue())
-			Expect(eth.ReceiptModelsContainsCID(cids5[0].Receipts, test_helpers.Rct3CID.String())).To(BeTrue())
+			Expect(len(cids5[0].Receipts)).To(Equal(4))
+			Expect(eth.ReceiptModelsContainsCID(cids5[0].Receipts, expectedRctCIDsAndLeafNodes[0].LeafCID)).To(BeTrue())
+			Expect(eth.ReceiptModelsContainsCID(cids5[0].Receipts, expectedRctCIDsAndLeafNodes[1].LeafCID)).To(BeTrue())
+			Expect(eth.ReceiptModelsContainsCID(cids5[0].Receipts, expectedRctCIDsAndLeafNodes[2].LeafCID)).To(BeTrue())
 
 			cids6, empty, err := retriever.Retrieve(rctsForSelectCollectedTrxs, 1)
 			Expect(err).ToNot(HaveOccurred())
 			Expect(empty).ToNot(BeTrue())
 			Expect(len(cids6)).To(Equal(1))
 			Expect(cids6[0].BlockNumber).To(Equal(test_helpers.MockCIDWrapper.BlockNumber))
-			Expect(cids6[0].Header).To(Equal(eth2.HeaderModel{}))
+			Expect(cids6[0].Header).To(Equal(models.HeaderModel{}))
 			Expect(len(cids6[0].Transactions)).To(Equal(1))
 			expectedTxCID := test_helpers.MockCIDWrapper.Transactions[1]
 			expectedTxCID.ID = cids6[0].Transactions[0].ID
@@ -364,6 +405,8 @@ var _ = Describe("Retriever", func() {
 			expectedReceiptCID = test_helpers.MockCIDWrapper.Receipts[1]
 			expectedReceiptCID.ID = cids6[0].Receipts[0].ID
 			expectedReceiptCID.TxID = cids6[0].Receipts[0].TxID
+			expectedReceiptCID.LeafCID = expectedRctCIDsAndLeafNodes[1].LeafCID
+			expectedReceiptCID.LeafMhKey = expectedRctCIDsAndLeafNodes[1].LeafMhKey
 			Expect(cids6[0].Receipts[0]).To(Equal(expectedReceiptCID))
 
 			cids7, empty, err := retriever.Retrieve(stateFilter, 1)
@@ -371,12 +414,12 @@ var _ = Describe("Retriever", func() {
 			Expect(empty).ToNot(BeTrue())
 			Expect(len(cids7)).To(Equal(1))
 			Expect(cids7[0].BlockNumber).To(Equal(test_helpers.MockCIDWrapper.BlockNumber))
-			Expect(cids7[0].Header).To(Equal(eth2.HeaderModel{}))
+			Expect(cids7[0].Header).To(Equal(models.HeaderModel{}))
 			Expect(len(cids7[0].Transactions)).To(Equal(0))
 			Expect(len(cids7[0].Receipts)).To(Equal(0))
 			Expect(len(cids7[0].StorageNodes)).To(Equal(0))
 			Expect(len(cids7[0].StateNodes)).To(Equal(1))
-			Expect(cids7[0].StateNodes[0]).To(Equal(eth2.StateNodeModel{
+			Expect(cids7[0].StateNodes[0]).To(Equal(models.StateNodeModel{
 				ID:       cids7[0].StateNodes[0].ID,
 				HeaderID: cids7[0].StateNodes[0].HeaderID,
 				NodeType: 2,
@@ -398,8 +441,12 @@ var _ = Describe("Retriever", func() {
 			Expect(err).To(HaveOccurred())
 		})
 		It("Gets the number of the first block that has data in the database", func() {
-			err := repo.Publish(test_helpers.MockConvertedPayload)
+			tx, err := diffIndexer.PushBlock(test_helpers.MockBlock, test_helpers.MockReceipts, test_helpers.MockBlock.Difficulty())
 			Expect(err).ToNot(HaveOccurred())
+
+			err = tx.Close(err)
+			Expect(err).ToNot(HaveOccurred())
+
 			num, err := retriever.RetrieveFirstBlockNumber()
 			Expect(err).ToNot(HaveOccurred())
 			Expect(num).To(Equal(int64(1)))
@@ -408,8 +455,12 @@ var _ = Describe("Retriever", func() {
 		It("Gets the number of the first block that has data in the database", func() {
 			payload := test_helpers.MockConvertedPayload
 			payload.Block = newMockBlock(1010101)
-			err := repo.Publish(payload)
+			tx, err := diffIndexer.PushBlock(payload.Block, payload.Receipts, payload.Block.Difficulty())
 			Expect(err).ToNot(HaveOccurred())
+
+			err = tx.Close(err)
+			Expect(err).ToNot(HaveOccurred())
+
 			num, err := retriever.RetrieveFirstBlockNumber()
 			Expect(err).ToNot(HaveOccurred())
 			Expect(num).To(Equal(int64(1010101)))
@@ -420,10 +471,16 @@ var _ = Describe("Retriever", func() {
 			payload1.Block = newMockBlock(1010101)
 			payload2 := payload1
 			payload2.Block = newMockBlock(5)
-			err := repo.Publish(payload1)
+			tx, err := diffIndexer.PushBlock(payload1.Block, payload1.Receipts, payload1.Block.Difficulty())
 			Expect(err).ToNot(HaveOccurred())
-			err = repo.Publish(payload2)
+			err = tx.Close(err)
 			Expect(err).ToNot(HaveOccurred())
+
+			tx, err = diffIndexer.PushBlock(payload2.Block, payload2.Receipts, payload2.Block.Difficulty())
+			Expect(err).ToNot(HaveOccurred())
+			err = tx.Close(err)
+			Expect(err).ToNot(HaveOccurred())
+
 			num, err := retriever.RetrieveFirstBlockNumber()
 			Expect(err).ToNot(HaveOccurred())
 			Expect(num).To(Equal(int64(5)))
@@ -436,8 +493,11 @@ var _ = Describe("Retriever", func() {
 			Expect(err).To(HaveOccurred())
 		})
 		It("Gets the number of the latest block that has data in the database", func() {
-			err := repo.Publish(test_helpers.MockConvertedPayload)
+			tx, err := diffIndexer.PushBlock(test_helpers.MockBlock, test_helpers.MockReceipts, test_helpers.MockBlock.Difficulty())
 			Expect(err).ToNot(HaveOccurred())
+			err = tx.Close(err)
+			Expect(err).ToNot(HaveOccurred())
+
 			num, err := retriever.RetrieveLastBlockNumber()
 			Expect(err).ToNot(HaveOccurred())
 			Expect(num).To(Equal(int64(1)))
@@ -446,8 +506,12 @@ var _ = Describe("Retriever", func() {
 		It("Gets the number of the latest block that has data in the database", func() {
 			payload := test_helpers.MockConvertedPayload
 			payload.Block = newMockBlock(1010101)
-			err := repo.Publish(payload)
+			tx, err := diffIndexer.PushBlock(payload.Block, payload.Receipts, payload.Block.Difficulty())
 			Expect(err).ToNot(HaveOccurred())
+
+			err = tx.Close(err)
+			Expect(err).ToNot(HaveOccurred())
+
 			num, err := retriever.RetrieveLastBlockNumber()
 			Expect(err).ToNot(HaveOccurred())
 			Expect(num).To(Equal(int64(1010101)))
@@ -458,10 +522,16 @@ var _ = Describe("Retriever", func() {
 			payload1.Block = newMockBlock(1010101)
 			payload2 := payload1
 			payload2.Block = newMockBlock(5)
-			err := repo.Publish(payload1)
+			tx, err := diffIndexer.PushBlock(payload1.Block, payload1.Receipts, payload1.Block.Difficulty())
 			Expect(err).ToNot(HaveOccurred())
-			err = repo.Publish(payload2)
+			err = tx.Close(err)
 			Expect(err).ToNot(HaveOccurred())
+
+			tx, err = diffIndexer.PushBlock(payload2.Block, payload2.Receipts, payload2.Block.Difficulty())
+			Expect(err).ToNot(HaveOccurred())
+			err = tx.Close(err)
+			Expect(err).ToNot(HaveOccurred())
+
 			num, err := retriever.RetrieveLastBlockNumber()
 			Expect(err).ToNot(HaveOccurred())
 			Expect(num).To(Equal(int64(1010101)))

pkg/eth/eth_state_test.go

@@ -29,18 +29,17 @@ import (
 	"github.com/ethereum/go-ethereum/core/types"
 	"github.com/ethereum/go-ethereum/core/vm"
 	"github.com/ethereum/go-ethereum/params"
-	"github.com/ethereum/go-ethereum/rlp"
 	"github.com/ethereum/go-ethereum/rpc"
 	"github.com/ethereum/go-ethereum/statediff"
+	"github.com/ethereum/go-ethereum/statediff/indexer"
+	"github.com/ethereum/go-ethereum/statediff/indexer/postgres"
+	sdtypes "github.com/ethereum/go-ethereum/statediff/types"
 	. "github.com/onsi/ginkgo"
 	. "github.com/onsi/gomega"
 
-	eth2 "github.com/vulcanize/ipld-eth-indexer/pkg/eth"
-	"github.com/vulcanize/ipld-eth-indexer/pkg/postgres"
-	"github.com/vulcanize/ipld-eth-indexer/pkg/shared"
-
 	"github.com/vulcanize/ipld-eth-server/pkg/eth"
 	"github.com/vulcanize/ipld-eth-server/pkg/eth/test_helpers"
+	ethServerShared "github.com/vulcanize/ipld-eth-server/pkg/shared"
 )
 
 var (
@@ -60,6 +59,7 @@ func init() {
 }
 
 var _ = Describe("eth state reading tests", func() {
+	const chainLength = 5
 	var (
 		blocks                  []*types.Block
 		receipts                []types.Receipts
@@ -74,19 +74,30 @@ var _ = Describe("eth state reading tests", func() {
 	It("test init", func() {
 		// db and type initializations
 		var err error
-		db, err = shared.SetupDB()
+		db, err = SetupDB()
 		Expect(err).ToNot(HaveOccurred())
-		transformer := eth2.NewStateDiffTransformer(chainConfig, db)
+
+		transformer, err := indexer.NewStateDiffIndexer(chainConfig, db)
+		Expect(err).ToNot(HaveOccurred())
+
 		backend, err = eth.NewEthBackend(db, &eth.Config{
 			ChainConfig: chainConfig,
-			VmConfig:    vm.Config{},
-			RPCGasCap:   big.NewInt(10000000000),
+			VMConfig:    vm.Config{},
+			RPCGasCap:   big.NewInt(10000000000), // Max gas capacity for a rpc call.
+			GroupCacheConfig: &ethServerShared.GroupCacheConfig{
+				StateDB: ethServerShared.GroupConfig{
+					Name:                   "eth_state_test",
+					CacheSizeInMB:          8,
+					CacheExpiryInMins:      60,
+					LogStatsIntervalInSecs: 0,
+				},
+			},
 		})
 		Expect(err).ToNot(HaveOccurred())
-		api = eth.NewPublicEthAPI(backend, nil, false)
+		api, _ = eth.NewPublicEthAPI(backend, nil, false, false, false)
 
 		// make the test blockchain (and state)
-		blocks, receipts, chain = test_helpers.MakeChain(5, test_helpers.Genesis, test_helpers.TestChainGen)
+		blocks, receipts, chain = test_helpers.MakeChain(chainLength, test_helpers.Genesis, test_helpers.TestChainGen)
 		params := statediff.Params{
 			IntermediateStateNodes:   true,
 			IntermediateStorageNodes: true,
@@ -135,31 +146,40 @@ var _ = Describe("eth state reading tests", func() {
 			}
 			diff, err := builder.BuildStateDiffObject(args, params)
 			Expect(err).ToNot(HaveOccurred())
-			diffRlp, err := rlp.EncodeToBytes(diff)
+			tx, err := transformer.PushBlock(block, rcts, mockTD)
 			Expect(err).ToNot(HaveOccurred())
-			blockRlp, err := rlp.EncodeToBytes(block)
-			Expect(err).ToNot(HaveOccurred())
-			receiptsRlp, err := rlp.EncodeToBytes(rcts)
-			Expect(err).ToNot(HaveOccurred())
-			payload := statediff.Payload{
-				StateObjectRlp:  diffRlp,
-				BlockRlp:        blockRlp,
-				ReceiptsRlp:     receiptsRlp,
-				TotalDifficulty: mockTD,
+
+			for _, node := range diff.Nodes {
+				err = transformer.PushStateNode(tx, node)
+				Expect(err).ToNot(HaveOccurred())
 			}
-			_, err = transformer.Transform(0, payload)
+			err = tx.Close(err)
 			Expect(err).ToNot(HaveOccurred())
 		}
 
 		// Insert some non-canonical data into the database so that we test our ability to discern canonicity
-		indexAndPublisher := eth2.NewIPLDPublisher(db)
-		api = eth.NewPublicEthAPI(backend, nil, false)
-		err = indexAndPublisher.Publish(test_helpers.MockConvertedPayload)
+		indexAndPublisher, err := indexer.NewStateDiffIndexer(chainConfig, db)
 		Expect(err).ToNot(HaveOccurred())
+
+		tx, err := indexAndPublisher.PushBlock(test_helpers.MockBlock, test_helpers.MockReceipts, test_helpers.MockBlock.Difficulty())
+		Expect(err).ToNot(HaveOccurred())
+
+		err = tx.Close(err)
+		Expect(err).ToNot(HaveOccurred())
+
 		// The non-canonical header has a child
-		err = indexAndPublisher.Publish(test_helpers.MockConvertedPayloadForChild)
+		tx, err = indexAndPublisher.PushBlock(test_helpers.MockChild, test_helpers.MockReceipts, test_helpers.MockChild.Difficulty())
 		Expect(err).ToNot(HaveOccurred())
-		err = publishCode(db, test_helpers.ContractCodeHash, test_helpers.ContractCode)
+
+		hash := sdtypes.CodeAndCodeHash{
+			Hash: test_helpers.CodeHash,
+			Code: test_helpers.ContractCode,
+		}
+
+		err = indexAndPublisher.PushCodeAndCodeHash(tx, hash)
+		Expect(err).ToNot(HaveOccurred())
+
+		err = tx.Close(err)
 		Expect(err).ToNot(HaveOccurred())
 	})
 	defer It("test teardown", func() {
@@ -234,12 +254,15 @@ var _ = Describe("eth state reading tests", func() {
 			bal, err = api.GetBalance(ctx, test_helpers.Account1Addr, rpc.BlockNumberOrHashWithNumber(1))
 			Expect(err).ToNot(HaveOccurred())
 			Expect(bal).To(Equal(expectedAcct1BalanceBlock1))
-			_, err = api.GetBalance(ctx, test_helpers.Account2Addr, rpc.BlockNumberOrHashWithNumber(1))
-			Expect(err).To(HaveOccurred())
-			Expect(err.Error()).To(ContainSubstring("sql: no rows in result set"))
-			_, err = api.GetBalance(ctx, test_helpers.ContractAddr, rpc.BlockNumberOrHashWithNumber(1))
-			Expect(err).To(HaveOccurred())
-			Expect(err.Error()).To(ContainSubstring("sql: no rows in result set"))
+
+			bal, err = api.GetBalance(ctx, test_helpers.Account2Addr, rpc.BlockNumberOrHashWithNumber(1))
+			Expect(err).ToNot(HaveOccurred())
+			Expect(bal).To(Equal((*hexutil.Big)(common.Big0)))
+
+			bal, err = api.GetBalance(ctx, test_helpers.ContractAddr, rpc.BlockNumberOrHashWithNumber(1))
+			Expect(err).ToNot(HaveOccurred())
+			Expect(bal).To(Equal((*hexutil.Big)(common.Big0)))
+
 			bal, err = api.GetBalance(ctx, test_helpers.TestBankAddress, rpc.BlockNumberOrHashWithNumber(1))
 			Expect(err).ToNot(HaveOccurred())
 			Expect(bal).To(Equal(expectedBankBalanceBlock1))
@@ -247,12 +270,15 @@ var _ = Describe("eth state reading tests", func() {
 			bal, err = api.GetBalance(ctx, test_helpers.Account1Addr, rpc.BlockNumberOrHashWithNumber(2))
 			Expect(err).ToNot(HaveOccurred())
 			Expect(bal).To(Equal(expectedAcct1BalanceBlock1))
+
 			bal, err = api.GetBalance(ctx, test_helpers.Account2Addr, rpc.BlockNumberOrHashWithNumber(2))
 			Expect(err).ToNot(HaveOccurred())
 			Expect(bal).To(Equal(expectedAcct2BalanceBlock2))
+
 			bal, err = api.GetBalance(ctx, test_helpers.ContractAddr, rpc.BlockNumberOrHashWithNumber(2))
 			Expect(err).ToNot(HaveOccurred())
 			Expect(bal).To(Equal(expectedContractBalance))
+
 			bal, err = api.GetBalance(ctx, test_helpers.TestBankAddress, rpc.BlockNumberOrHashWithNumber(2))
 			Expect(err).ToNot(HaveOccurred())
 			Expect(bal).To(Equal(expectedBankBalanceBlock2))
@@ -260,12 +286,15 @@ var _ = Describe("eth state reading tests", func() {
 			bal, err = api.GetBalance(ctx, test_helpers.Account1Addr, rpc.BlockNumberOrHashWithNumber(3))
 			Expect(err).ToNot(HaveOccurred())
 			Expect(bal).To(Equal(expectedAcct1BalanceBlock1))
+
 			bal, err = api.GetBalance(ctx, test_helpers.Account2Addr, rpc.BlockNumberOrHashWithNumber(3))
 			Expect(err).ToNot(HaveOccurred())
 			Expect(bal).To(Equal(expectedAcct2BalanceBlock3))
+
 			bal, err = api.GetBalance(ctx, test_helpers.ContractAddr, rpc.BlockNumberOrHashWithNumber(3))
 			Expect(err).ToNot(HaveOccurred())
 			Expect(bal).To(Equal(expectedContractBalance))
+
 			bal, err = api.GetBalance(ctx, test_helpers.TestBankAddress, rpc.BlockNumberOrHashWithNumber(3))
 			Expect(err).ToNot(HaveOccurred())
 			Expect(bal).To(Equal(expectedBankBalanceBlock2))
@@ -273,12 +302,15 @@ var _ = Describe("eth state reading tests", func() {
 			bal, err = api.GetBalance(ctx, test_helpers.Account1Addr, rpc.BlockNumberOrHashWithNumber(4))
 			Expect(err).ToNot(HaveOccurred())
 			Expect(bal).To(Equal(expectedAcct1BalanceBlock1))
+
 			bal, err = api.GetBalance(ctx, test_helpers.Account2Addr, rpc.BlockNumberOrHashWithNumber(4))
 			Expect(err).ToNot(HaveOccurred())
 			Expect(bal).To(Equal(expectedAcct2BalanceBlock4))
+
 			bal, err = api.GetBalance(ctx, test_helpers.ContractAddr, rpc.BlockNumberOrHashWithNumber(4))
 			Expect(err).ToNot(HaveOccurred())
 			Expect(bal).To(Equal(expectedContractBalance))
+
 			bal, err = api.GetBalance(ctx, test_helpers.TestBankAddress, rpc.BlockNumberOrHashWithNumber(4))
 			Expect(err).ToNot(HaveOccurred())
 			Expect(bal).To(Equal(expectedBankBalanceBlock2))
@@ -286,12 +318,15 @@ var _ = Describe("eth state reading tests", func() {
 			bal, err = api.GetBalance(ctx, test_helpers.Account1Addr, rpc.BlockNumberOrHashWithNumber(5))
 			Expect(err).ToNot(HaveOccurred())
 			Expect(bal).To(Equal(expectedAcct1BalanceBlock5))
+
 			bal, err = api.GetBalance(ctx, test_helpers.Account2Addr, rpc.BlockNumberOrHashWithNumber(5))
 			Expect(err).ToNot(HaveOccurred())
 			Expect(bal).To(Equal(expectedAcct2BalanceBlock4))
+
 			bal, err = api.GetBalance(ctx, test_helpers.ContractAddr, rpc.BlockNumberOrHashWithNumber(5))
 			Expect(err).ToNot(HaveOccurred())
 			Expect(bal).To(Equal(expectedContractBalance))
+
 			bal, err = api.GetBalance(ctx, test_helpers.TestBankAddress, rpc.BlockNumberOrHashWithNumber(5))
 			Expect(err).ToNot(HaveOccurred())
 			Expect(bal).To(Equal(expectedBankBalanceBlock2))
@@ -304,12 +339,15 @@ var _ = Describe("eth state reading tests", func() {
 			bal, err = api.GetBalance(ctx, test_helpers.Account1Addr, rpc.BlockNumberOrHashWithHash(blocks[1].Hash(), true))
 			Expect(err).ToNot(HaveOccurred())
 			Expect(bal).To(Equal(expectedAcct1BalanceBlock1))
-			_, err = api.GetBalance(ctx, test_helpers.Account2Addr, rpc.BlockNumberOrHashWithHash(blocks[1].Hash(), true))
-			Expect(err).To(HaveOccurred())
-			Expect(err.Error()).To(ContainSubstring("sql: no rows in result set"))
+
+			bal, err = api.GetBalance(ctx, test_helpers.Account2Addr, rpc.BlockNumberOrHashWithHash(blocks[1].Hash(), true))
+			Expect(err).ToNot(HaveOccurred())
+			Expect(bal).To(Equal((*hexutil.Big)(common.Big0)))
+
 			_, err = api.GetBalance(ctx, test_helpers.ContractAddr, rpc.BlockNumberOrHashWithHash(blocks[1].Hash(), true))
-			Expect(err).To(HaveOccurred())
-			Expect(err.Error()).To(ContainSubstring("sql: no rows in result set"))
+			Expect(err).ToNot(HaveOccurred())
+			Expect(bal).To(Equal((*hexutil.Big)(common.Big0)))
+
 			bal, err = api.GetBalance(ctx, test_helpers.TestBankAddress, rpc.BlockNumberOrHashWithHash(blocks[1].Hash(), true))
 			Expect(err).ToNot(HaveOccurred())
 			Expect(bal).To(Equal(expectedBankBalanceBlock1))
@@ -317,12 +355,15 @@ var _ = Describe("eth state reading tests", func() {
 			bal, err = api.GetBalance(ctx, test_helpers.Account1Addr, rpc.BlockNumberOrHashWithHash(blocks[2].Hash(), true))
 			Expect(err).ToNot(HaveOccurred())
 			Expect(bal).To(Equal(expectedAcct1BalanceBlock1))
+
 			bal, err = api.GetBalance(ctx, test_helpers.Account2Addr, rpc.BlockNumberOrHashWithHash(blocks[2].Hash(), true))
 			Expect(err).ToNot(HaveOccurred())
+
 			Expect(bal).To(Equal(expectedAcct2BalanceBlock2))
 			bal, err = api.GetBalance(ctx, test_helpers.ContractAddr, rpc.BlockNumberOrHashWithHash(blocks[2].Hash(), true))
 			Expect(err).ToNot(HaveOccurred())
 			Expect(bal).To(Equal(expectedContractBalance))
+
 			bal, err = api.GetBalance(ctx, test_helpers.TestBankAddress, rpc.BlockNumberOrHashWithHash(blocks[2].Hash(), true))
 			Expect(err).ToNot(HaveOccurred())
 			Expect(bal).To(Equal(expectedBankBalanceBlock2))
@@ -330,12 +371,15 @@ var _ = Describe("eth state reading tests", func() {
 			bal, err = api.GetBalance(ctx, test_helpers.Account1Addr, rpc.BlockNumberOrHashWithHash(blocks[3].Hash(), true))
 			Expect(err).ToNot(HaveOccurred())
 			Expect(bal).To(Equal(expectedAcct1BalanceBlock1))
+
 			bal, err = api.GetBalance(ctx, test_helpers.Account2Addr, rpc.BlockNumberOrHashWithHash(blocks[3].Hash(), true))
 			Expect(err).ToNot(HaveOccurred())
 			Expect(bal).To(Equal(expectedAcct2BalanceBlock3))
+
 			bal, err = api.GetBalance(ctx, test_helpers.ContractAddr, rpc.BlockNumberOrHashWithHash(blocks[3].Hash(), true))
 			Expect(err).ToNot(HaveOccurred())
 			Expect(bal).To(Equal(expectedContractBalance))
+
 			bal, err = api.GetBalance(ctx, test_helpers.TestBankAddress, rpc.BlockNumberOrHashWithHash(blocks[3].Hash(), true))
 			Expect(err).ToNot(HaveOccurred())
 			Expect(bal).To(Equal(expectedBankBalanceBlock2))
@@ -343,12 +387,15 @@ var _ = Describe("eth state reading tests", func() {
 			bal, err = api.GetBalance(ctx, test_helpers.Account1Addr, rpc.BlockNumberOrHashWithHash(blocks[4].Hash(), true))
 			Expect(err).ToNot(HaveOccurred())
 			Expect(bal).To(Equal(expectedAcct1BalanceBlock1))
+
 			bal, err = api.GetBalance(ctx, test_helpers.Account2Addr, rpc.BlockNumberOrHashWithHash(blocks[4].Hash(), true))
 			Expect(err).ToNot(HaveOccurred())
 			Expect(bal).To(Equal(expectedAcct2BalanceBlock4))
+
 			bal, err = api.GetBalance(ctx, test_helpers.ContractAddr, rpc.BlockNumberOrHashWithHash(blocks[4].Hash(), true))
 			Expect(err).ToNot(HaveOccurred())
 			Expect(bal).To(Equal(expectedContractBalance))
+
 			bal, err = api.GetBalance(ctx, test_helpers.TestBankAddress, rpc.BlockNumberOrHashWithHash(blocks[4].Hash(), true))
 			Expect(err).ToNot(HaveOccurred())
 			Expect(bal).To(Equal(expectedBankBalanceBlock2))
@@ -356,37 +403,45 @@ var _ = Describe("eth state reading tests", func() {
 			bal, err = api.GetBalance(ctx, test_helpers.Account1Addr, rpc.BlockNumberOrHashWithHash(blocks[5].Hash(), true))
 			Expect(err).ToNot(HaveOccurred())
 			Expect(bal).To(Equal(expectedAcct1BalanceBlock5))
+
 			bal, err = api.GetBalance(ctx, test_helpers.Account2Addr, rpc.BlockNumberOrHashWithHash(blocks[5].Hash(), true))
 			Expect(err).ToNot(HaveOccurred())
 			Expect(bal).To(Equal(expectedAcct2BalanceBlock4))
+
 			bal, err = api.GetBalance(ctx, test_helpers.ContractAddr, rpc.BlockNumberOrHashWithHash(blocks[5].Hash(), true))
 			Expect(err).ToNot(HaveOccurred())
 			Expect(bal).To(Equal(expectedContractBalance))
+
 			bal, err = api.GetBalance(ctx, test_helpers.TestBankAddress, rpc.BlockNumberOrHashWithHash(blocks[5].Hash(), true))
 			Expect(err).ToNot(HaveOccurred())
 			Expect(bal).To(Equal(expectedBankBalanceBlock2))
 		})
-		It("Throws an error for an account it cannot find the balance for an account at the provided block number", func() {
-			_, err := api.GetBalance(ctx, test_helpers.Account1Addr, rpc.BlockNumberOrHashWithNumber(0))
-			Expect(err).To(HaveOccurred())
-			Expect(err.Error()).To(ContainSubstring("sql: no rows in result set"))
-			_, err = api.GetBalance(ctx, test_helpers.Account2Addr, rpc.BlockNumberOrHashWithNumber(0))
-			Expect(err).To(HaveOccurred())
-			Expect(err.Error()).To(ContainSubstring("sql: no rows in result set"))
-			_, err = api.GetBalance(ctx, test_helpers.ContractAddr, rpc.BlockNumberOrHashWithNumber(0))
-			Expect(err).To(HaveOccurred())
-			Expect(err.Error()).To(ContainSubstring("sql: no rows in result set"))
+		It("Returns `0` for an account it cannot find the balance for an account at the provided block number", func() {
+			bal, err := api.GetBalance(ctx, test_helpers.Account1Addr, rpc.BlockNumberOrHashWithNumber(0))
+			Expect(err).ToNot(HaveOccurred())
+			Expect(bal).To(Equal((*hexutil.Big)(common.Big0)))
+
+			bal, err = api.GetBalance(ctx, test_helpers.Account2Addr, rpc.BlockNumberOrHashWithNumber(0))
+			Expect(err).ToNot(HaveOccurred())
+			Expect(bal).To(Equal((*hexutil.Big)(common.Big0)))
+
+			bal, err = api.GetBalance(ctx, test_helpers.ContractAddr, rpc.BlockNumberOrHashWithNumber(0))
+			Expect(err).ToNot(HaveOccurred())
+			Expect(bal).To(Equal((*hexutil.Big)(common.Big0)))
 		})
-		It("Throws an error for an account it cannot find the balance for an account at the provided block hash", func() {
-			_, err := api.GetBalance(ctx, test_helpers.Account1Addr, rpc.BlockNumberOrHashWithHash(blocks[0].Hash(), true))
-			Expect(err).To(HaveOccurred())
-			Expect(err.Error()).To(ContainSubstring("sql: no rows in result set"))
-			_, err = api.GetBalance(ctx, test_helpers.Account2Addr, rpc.BlockNumberOrHashWithHash(blocks[0].Hash(), true))
-			Expect(err).To(HaveOccurred())
-			Expect(err.Error()).To(ContainSubstring("sql: no rows in result set"))
-			_, err = api.GetBalance(ctx, test_helpers.ContractAddr, rpc.BlockNumberOrHashWithHash(blocks[0].Hash(), true))
-			Expect(err).To(HaveOccurred())
-			Expect(err.Error()).To(ContainSubstring("sql: no rows in result set"))
+		It("Returns `0` for an error for an account it cannot find the balance for an account at the provided block hash", func() {
+			bal, err := api.GetBalance(ctx, test_helpers.Account1Addr, rpc.BlockNumberOrHashWithHash(blocks[0].Hash(), true))
+			Expect(err).ToNot(HaveOccurred())
+			Expect(bal).To(Equal((*hexutil.Big)(common.Big0)))
+
+			bal, err = api.GetBalance(ctx, test_helpers.Account2Addr, rpc.BlockNumberOrHashWithHash(blocks[0].Hash(), true))
+			Expect(err).ToNot(HaveOccurred())
+			Expect(bal).To(Equal((*hexutil.Big)(common.Big0)))
+
+			bal, err = api.GetBalance(ctx, test_helpers.ContractAddr, rpc.BlockNumberOrHashWithHash(blocks[0].Hash(), true))
+			Expect(err).ToNot(HaveOccurred())
+			Expect(bal).To(Equal((*hexutil.Big)(common.Big0)))
+
 		})
 	})
 
@@ -409,51 +464,63 @@ var _ = Describe("eth state reading tests", func() {
 			Expect(err).ToNot(HaveOccurred())
 			Expect(code).To(Equal((hexutil.Bytes)(test_helpers.ContractCode)))
 		})
-		It("Throws an error for an account it cannot find the code for", func() {
-			_, err := api.GetCode(ctx, randomAddr, rpc.BlockNumberOrHashWithHash(blocks[3].Hash(), true))
-			Expect(err).To(HaveOccurred())
+		It("Returns `nil` for an account it cannot find the code for", func() {
+			code, err := api.GetCode(ctx, randomAddr, rpc.BlockNumberOrHashWithHash(blocks[3].Hash(), true))
+			Expect(err).ToNot(HaveOccurred())
+			Expect(code).To(BeEmpty())
 		})
-		It("Throws an error for a contract that doesn't exist at this hieght", func() {
-			_, err := api.GetCode(ctx, test_helpers.ContractAddr, rpc.BlockNumberOrHashWithNumber(0))
-			Expect(err).To(HaveOccurred())
+		It("Returns `nil`  for a contract that doesn't exist at this height", func() {
+			code, err := api.GetCode(ctx, test_helpers.ContractAddr, rpc.BlockNumberOrHashWithNumber(0))
+			Expect(err).ToNot(HaveOccurred())
+			Expect(code).To(BeEmpty())
 		})
 	})
 
 	Describe("eth_getStorageAt", func() {
-		It("Throws an error if it tries to access a contract which does not exist", func() {
-			_, err := api.GetStorageAt(ctx, test_helpers.ContractAddr, test_helpers.ContractSlotKeyHash.Hex(), rpc.BlockNumberOrHashWithNumber(0))
-			Expect(err).To(HaveOccurred())
-			Expect(err.Error()).To(ContainSubstring("sql: no rows in result set"))
+		It("Returns empty slice if it tries to access a contract which does not exist", func() {
+			storage, err := api.GetStorageAt(ctx, test_helpers.ContractAddr, test_helpers.ContractSlotKeyHash.Hex(), rpc.BlockNumberOrHashWithNumber(0))
+			Expect(err).NotTo(HaveOccurred())
+			Expect(storage).To(Equal(hexutil.Bytes(eth.EmptyNodeValue)))
 
-			_, err = api.GetStorageAt(ctx, test_helpers.ContractAddr, test_helpers.ContractSlotKeyHash.Hex(), rpc.BlockNumberOrHashWithNumber(1))
-			Expect(err).To(HaveOccurred())
-			Expect(err.Error()).To(ContainSubstring("sql: no rows in result set"))
+			storage, err = api.GetStorageAt(ctx, test_helpers.ContractAddr, test_helpers.ContractSlotKeyHash.Hex(), rpc.BlockNumberOrHashWithNumber(1))
+			Expect(err).NotTo(HaveOccurred())
+			Expect(storage).To(Equal(hexutil.Bytes(eth.EmptyNodeValue)))
 		})
-		It("Throws an error if it tries to access a contract slot which does not exist", func() {
-			_, err := api.GetStorageAt(ctx, test_helpers.ContractAddr, randomHash.Hex(), rpc.BlockNumberOrHashWithNumber(2))
-			Expect(err).To(HaveOccurred())
-			Expect(err.Error()).To(ContainSubstring("sql: no rows in result set"))
+		It("Returns empty slice if it tries to access a contract slot which does not exist", func() {
+			storage, err := api.GetStorageAt(ctx, test_helpers.ContractAddr, randomHash.Hex(), rpc.BlockNumberOrHashWithNumber(2))
+			Expect(err).NotTo(HaveOccurred())
+			Expect(storage).To(Equal(hexutil.Bytes(eth.EmptyNodeValue)))
 		})
 		It("Retrieves the storage value at the provided contract address and storage leaf key at the block with the provided hash or number", func() {
 			// After deployment
-			val, err := api.GetStorageAt(ctx, test_helpers.ContractAddr, test_helpers.ContractSlotKeyHash.Hex(), rpc.BlockNumberOrHashWithNumber(2))
+			val, err := api.GetStorageAt(ctx, test_helpers.ContractAddr, test_helpers.IndexOne, rpc.BlockNumberOrHashWithNumber(2))
 			Expect(err).ToNot(HaveOccurred())
-			expectedRes := hexutil.Bytes(common.Hex2Bytes("01"))
+			expectedRes := hexutil.Bytes(common.Hex2Bytes("0000000000000000000000000000000000000000000000000000000000000001"))
 			Expect(val).To(Equal(expectedRes))
 
-			val, err = api.GetStorageAt(ctx, test_helpers.ContractAddr, test_helpers.ContractSlotKeyHash.Hex(), rpc.BlockNumberOrHashWithNumber(3))
+			val, err = api.GetStorageAt(ctx, test_helpers.ContractAddr, test_helpers.IndexOne, rpc.BlockNumberOrHashWithNumber(3))
 			Expect(err).ToNot(HaveOccurred())
-			expectedRes = hexutil.Bytes(common.Hex2Bytes("03"))
+			expectedRes = hexutil.Bytes(common.Hex2Bytes("0000000000000000000000000000000000000000000000000000000000000003"))
 			Expect(val).To(Equal(expectedRes))
 
-			val, err = api.GetStorageAt(ctx, test_helpers.ContractAddr, test_helpers.ContractSlotKeyHash.Hex(), rpc.BlockNumberOrHashWithNumber(4))
+			val, err = api.GetStorageAt(ctx, test_helpers.ContractAddr, test_helpers.IndexOne, rpc.BlockNumberOrHashWithNumber(4))
 			Expect(err).ToNot(HaveOccurred())
-			expectedRes = hexutil.Bytes(common.Hex2Bytes("09"))
+			expectedRes = hexutil.Bytes(common.Hex2Bytes("0000000000000000000000000000000000000000000000000000000000000009"))
 			Expect(val).To(Equal(expectedRes))
 
-			val, err = api.GetStorageAt(ctx, test_helpers.ContractAddr, test_helpers.ContractSlotKeyHash.Hex(), rpc.BlockNumberOrHashWithNumber(5))
+			val, err = api.GetStorageAt(ctx, test_helpers.ContractAddr, test_helpers.IndexOne, rpc.BlockNumberOrHashWithNumber(5))
 			Expect(err).ToNot(HaveOccurred())
-			Expect(val).To(Equal(hexutil.Bytes{}))
+			Expect(val).To(Equal(hexutil.Bytes(eth.EmptyNodeValue)))
+		})
+		It("Throws an error for a non-existing block hash", func() {
+			_, err := api.GetStorageAt(ctx, test_helpers.ContractAddr, test_helpers.IndexOne, rpc.BlockNumberOrHashWithHash(randomHash, true))
+			Expect(err).To(HaveOccurred())
+			Expect(err).To(MatchError("header for hash not found"))
+		})
+		It("Throws an error for a non-existing block number", func() {
+			_, err := api.GetStorageAt(ctx, test_helpers.ContractAddr, test_helpers.IndexOne, rpc.BlockNumberOrHashWithNumber(chainLength+1))
+			Expect(err).To(HaveOccurred())
+			Expect(err).To(MatchError("header not found"))
 		})
 	})
 

pkg/eth/eth_suite_test.go

@@ -25,7 +25,7 @@ import (
 	"github.com/sirupsen/logrus"
 )
 
-func TestETHWatcher(t *testing.T) {
+func TestETHSuite(t *testing.T) {
 	RegisterFailHandler(Fail)
 	RunSpecs(t, "eth ipld server eth suite test")
 }

pkg/eth/filterer.go

@@ -19,22 +19,21 @@ package eth
 import (
 	"bytes"
 
-	sdtypes "github.com/ethereum/go-ethereum/statediff/types"
-
 	"github.com/ethereum/go-ethereum/common"
 	"github.com/ethereum/go-ethereum/core/types"
 	"github.com/ethereum/go-ethereum/crypto"
 	"github.com/ethereum/go-ethereum/rlp"
+	"github.com/ethereum/go-ethereum/statediff/indexer/ipfs/ipld"
+	sdtypes "github.com/ethereum/go-ethereum/statediff/types"
+	"github.com/ipfs/go-cid"
 	"github.com/multiformats/go-multihash"
 
-	"github.com/vulcanize/ipld-eth-indexer/pkg/eth"
-	"github.com/vulcanize/ipld-eth-indexer/pkg/ipfs"
-	"github.com/vulcanize/ipld-eth-indexer/pkg/ipfs/ipld"
+	"github.com/ethereum/go-ethereum/statediff/indexer/ipfs"
 )
 
 // Filterer interface for substituing mocks in tests
 type Filterer interface {
-	Filter(filter SubscriptionSettings, payload eth.ConvertedPayload) (*IPLDs, error)
+	Filter(filter SubscriptionSettings, payload ConvertedPayload) (*IPLDs, error)
 }
 
 // ResponseFilterer satisfies the ResponseFilterer interface for ethereum
@@ -46,7 +45,7 @@ func NewResponseFilterer() *ResponseFilterer {
 }
 
 // Filter is used to filter through eth data to extract and package requested data into a Payload
-func (s *ResponseFilterer) Filter(filter SubscriptionSettings, payload eth.ConvertedPayload) (*IPLDs, error) {
+func (s *ResponseFilterer) Filter(filter SubscriptionSettings, payload ConvertedPayload) (*IPLDs, error) {
 	if checkRange(filter.Start.Int64(), filter.End.Int64(), payload.Block.Number().Int64()) {
 		response := new(IPLDs)
 		response.TotalDifficulty = payload.TotalDifficulty
@@ -73,7 +72,7 @@ func (s *ResponseFilterer) Filter(filter SubscriptionSettings, payload eth.Conve
 	return nil, nil
 }
 
-func (s *ResponseFilterer) filterHeaders(headerFilter HeaderFilter, response *IPLDs, payload eth.ConvertedPayload) error {
+func (s *ResponseFilterer) filterHeaders(headerFilter HeaderFilter, response *IPLDs, payload ConvertedPayload) error {
 	if !headerFilter.Off {
 		headerRLP, err := rlp.EncodeToBytes(payload.Block.Header())
 		if err != nil {
@@ -115,7 +114,7 @@ func checkRange(start, end, actual int64) bool {
 	return false
 }
 
-func (s *ResponseFilterer) filterTransactions(trxFilter TxFilter, response *IPLDs, payload eth.ConvertedPayload) ([]common.Hash, error) {
+func (s *ResponseFilterer) filterTransactions(trxFilter TxFilter, response *IPLDs, payload ConvertedPayload) ([]common.Hash, error) {
 	var trxHashes []common.Hash
 	if !trxFilter.Off {
 		trxLen := len(payload.Block.Body().Transactions)
@@ -163,25 +162,30 @@ func checkTransactionAddrs(wantedSrc, wantedDst []string, actualSrc, actualDst s
 	return false
 }
 
-func (s *ResponseFilterer) filerReceipts(receiptFilter ReceiptFilter, response *IPLDs, payload eth.ConvertedPayload, trxHashes []common.Hash) error {
+func (s *ResponseFilterer) filerReceipts(receiptFilter ReceiptFilter, response *IPLDs, payload ConvertedPayload, trxHashes []common.Hash) error {
 	if !receiptFilter.Off {
 		response.Receipts = make([]ipfs.BlockModel, 0, len(payload.Receipts))
-		for i, receipt := range payload.Receipts {
+		rctLeafCID, rctIPLDData, err := GetRctLeafNodeData(payload.Receipts)
+		if err != nil {
+			return err
+		}
+
+		for idx, receipt := range payload.Receipts {
 			// topics is always length 4
-			topics := [][]string{payload.ReceiptMetaData[i].Topic0s, payload.ReceiptMetaData[i].Topic1s, payload.ReceiptMetaData[i].Topic2s, payload.ReceiptMetaData[i].Topic3s}
-			if checkReceipts(receipt, receiptFilter.Topics, topics, receiptFilter.LogAddresses, payload.ReceiptMetaData[i].LogContracts, trxHashes) {
-				receiptBuffer := new(bytes.Buffer)
-				if err := receipt.EncodeRLP(receiptBuffer); err != nil {
-					return err
-				}
-				data := receiptBuffer.Bytes()
-				cid, err := ipld.RawdataToCid(ipld.MEthTxReceipt, data, multihash.KECCAK_256)
-				if err != nil {
-					return err
+			topics := make([][]string, 4)
+			contracts := make([]string, len(receipt.Logs))
+			for _, l := range receipt.Logs {
+				contracts = append(contracts, l.Address.String())
+				for idx, t := range l.Topics {
+					topics[idx] = append(topics[idx], t.String())
 				}
+			}
+
+			// TODO: Verify this filter logic.
+			if checkReceipts(receipt, receiptFilter.Topics, topics, receiptFilter.LogAddresses, contracts, trxHashes) {
 				response.Receipts = append(response.Receipts, ipfs.BlockModel{
-					Data: data,
-					CID:  cid.String(),
+					Data: rctIPLDData[idx],
+					CID:  rctLeafCID[idx].String(),
 				})
 			}
 		}
@@ -253,7 +257,7 @@ func slicesShareString(slice1, slice2 []string) int {
 }
 
 // filterStateAndStorage filters state and storage nodes into the response according to the provided filters
-func (s *ResponseFilterer) filterStateAndStorage(stateFilter StateFilter, storageFilter StorageFilter, response *IPLDs, payload eth.ConvertedPayload) error {
+func (s *ResponseFilterer) filterStateAndStorage(stateFilter StateFilter, storageFilter StorageFilter, response *IPLDs, payload ConvertedPayload) error {
 	response.StateNodes = make([]StateNode, 0, len(payload.StateNodes))
 	response.StorageNodes = make([]StorageNode, 0)
 	stateAddressFilters := make([]common.Hash, len(stateFilter.Addresses))
@@ -270,37 +274,37 @@ func (s *ResponseFilterer) filterStateAndStorage(stateFilter StateFilter, storag
 	}
 	for _, stateNode := range payload.StateNodes {
 		if !stateFilter.Off && checkNodeKeys(stateAddressFilters, stateNode.LeafKey) {
-			if stateNode.Type == sdtypes.Leaf || stateFilter.IntermediateNodes {
-				cid, err := ipld.RawdataToCid(ipld.MEthStateTrie, stateNode.Value, multihash.KECCAK_256)
+			if stateNode.NodeType == sdtypes.Leaf || stateFilter.IntermediateNodes {
+				cid, err := ipld.RawdataToCid(ipld.MEthStateTrie, stateNode.NodeValue, multihash.KECCAK_256)
 				if err != nil {
 					return err
 				}
 				response.StateNodes = append(response.StateNodes, StateNode{
-					StateLeafKey: stateNode.LeafKey,
+					StateLeafKey: common.BytesToHash(stateNode.LeafKey),
 					Path:         stateNode.Path,
 					IPLD: ipfs.BlockModel{
-						Data: stateNode.Value,
+						Data: stateNode.NodeValue,
 						CID:  cid.String(),
 					},
-					Type: stateNode.Type,
+					Type: stateNode.NodeType,
 				})
 			}
 		}
 		if !storageFilter.Off && checkNodeKeys(storageAddressFilters, stateNode.LeafKey) {
 			for _, storageNode := range payload.StorageNodes[common.Bytes2Hex(stateNode.Path)] {
 				if checkNodeKeys(storageKeyFilters, storageNode.LeafKey) {
-					cid, err := ipld.RawdataToCid(ipld.MEthStorageTrie, storageNode.Value, multihash.KECCAK_256)
+					cid, err := ipld.RawdataToCid(ipld.MEthStorageTrie, storageNode.NodeValue, multihash.KECCAK_256)
 					if err != nil {
 						return err
 					}
 					response.StorageNodes = append(response.StorageNodes, StorageNode{
-						StateLeafKey:   stateNode.LeafKey,
-						StorageLeafKey: storageNode.LeafKey,
+						StateLeafKey:   common.BytesToHash(stateNode.LeafKey),
+						StorageLeafKey: common.BytesToHash(storageNode.LeafKey),
 						IPLD: ipfs.BlockModel{
-							Data: storageNode.Value,
+							Data: storageNode.NodeValue,
 							CID:  cid.String(),
 						},
-						Type: storageNode.Type,
+						Type: storageNode.NodeType,
 						Path: storageNode.Path,
 					})
 				}
@@ -310,15 +314,52 @@ func (s *ResponseFilterer) filterStateAndStorage(stateFilter StateFilter, storag
 	return nil
 }
 
-func checkNodeKeys(wantedKeys []common.Hash, actualKey common.Hash) bool {
+func checkNodeKeys(wantedKeys []common.Hash, actualKey []byte) bool {
 	// If we aren't filtering for any specific keys, all nodes are a go
 	if len(wantedKeys) == 0 {
 		return true
 	}
 	for _, key := range wantedKeys {
-		if bytes.Equal(key.Bytes(), actualKey.Bytes()) {
+		if bytes.Equal(key.Bytes(), actualKey) {
 			return true
 		}
 	}
 	return false
 }
+
+// GetRctLeafNodeData converts the receipts to receipt trie and returns the receipt leaf node IPLD data and
+// corresponding CIDs
+func GetRctLeafNodeData(rcts types.Receipts) ([]cid.Cid, [][]byte, error) {
+	receiptTrie := ipld.NewRctTrie()
+	for idx, rct := range rcts {
+		ethRct, err := ipld.NewReceipt(rct)
+		if err != nil {
+			return nil, nil, err
+		}
+		if err = receiptTrie.Add(idx, ethRct.RawData()); err != nil {
+			return nil, nil, err
+		}
+	}
+
+	rctLeafNodes, keys, err := receiptTrie.GetLeafNodes()
+	if err != nil {
+		return nil, nil, err
+	}
+
+	ethRctleafNodeCids := make([]cid.Cid, len(rctLeafNodes))
+	ethRctleafNodeData := make([][]byte, len(rctLeafNodes))
+	for i, rln := range rctLeafNodes {
+		var idx uint
+
+		r := bytes.NewReader(keys[i].TrieKey)
+		err = rlp.Decode(r, &idx)
+		if err != nil {
+			return nil, nil, err
+		}
+
+		ethRctleafNodeCids[idx] = rln.Cid()
+		ethRctleafNodeData[idx] = rln.RawData()
+	}
+
+	return ethRctleafNodeCids, ethRctleafNodeData, nil
+}

pkg/eth/filterer_test.go

@@ -19,13 +19,12 @@ package eth_test
 import (
 	"bytes"
 
+	"github.com/ethereum/go-ethereum/statediff/indexer/ipfs"
 	sdtypes "github.com/ethereum/go-ethereum/statediff/types"
 
 	. "github.com/onsi/ginkgo"
 	. "github.com/onsi/gomega"
 
-	"github.com/vulcanize/ipld-eth-indexer/pkg/ipfs"
-
 	"github.com/vulcanize/ipld-eth-server/pkg/eth"
 	"github.com/vulcanize/ipld-eth-server/pkg/eth/test_helpers"
 	"github.com/vulcanize/ipld-eth-server/pkg/shared"
@@ -49,14 +48,14 @@ var _ = Describe("Filterer", func() {
 			Expect(iplds.Header).To(Equal(test_helpers.MockIPLDs.Header))
 			var expectedEmptyUncles []ipfs.BlockModel
 			Expect(iplds.Uncles).To(Equal(expectedEmptyUncles))
-			Expect(len(iplds.Transactions)).To(Equal(3))
-			Expect(shared.IPLDsContainBytes(iplds.Transactions, test_helpers.MockTransactions.GetRlp(0))).To(BeTrue())
-			Expect(shared.IPLDsContainBytes(iplds.Transactions, test_helpers.MockTransactions.GetRlp(1))).To(BeTrue())
-			Expect(shared.IPLDsContainBytes(iplds.Transactions, test_helpers.MockTransactions.GetRlp(2))).To(BeTrue())
-			Expect(len(iplds.Receipts)).To(Equal(3))
-			Expect(shared.IPLDsContainBytes(iplds.Receipts, test_helpers.MockReceipts.GetRlp(0))).To(BeTrue())
-			Expect(shared.IPLDsContainBytes(iplds.Receipts, test_helpers.MockReceipts.GetRlp(1))).To(BeTrue())
-			Expect(shared.IPLDsContainBytes(iplds.Receipts, test_helpers.MockReceipts.GetRlp(2))).To(BeTrue())
+			Expect(len(iplds.Transactions)).To(Equal(4))
+			Expect(shared.IPLDsContainBytes(iplds.Transactions, test_helpers.Tx1)).To(BeTrue())
+			Expect(shared.IPLDsContainBytes(iplds.Transactions, test_helpers.Tx2)).To(BeTrue())
+			Expect(shared.IPLDsContainBytes(iplds.Transactions, test_helpers.Tx3)).To(BeTrue())
+			Expect(len(iplds.Receipts)).To(Equal(4))
+			Expect(shared.IPLDsContainBytes(iplds.Receipts, test_helpers.Rct1IPLD)).To(BeTrue())
+			Expect(shared.IPLDsContainBytes(iplds.Receipts, test_helpers.Rct2IPLD)).To(BeTrue())
+			Expect(shared.IPLDsContainBytes(iplds.Receipts, test_helpers.Rct3IPLD)).To(BeTrue())
 			Expect(len(iplds.StateNodes)).To(Equal(2))
 			for _, stateNode := range iplds.StateNodes {
 				Expect(stateNode.Type).To(Equal(sdtypes.Leaf))
@@ -88,8 +87,8 @@ var _ = Describe("Filterer", func() {
 			Expect(len(iplds1.StateNodes)).To(Equal(0))
 			Expect(len(iplds1.Receipts)).To(Equal(1))
 			Expect(iplds1.Receipts[0]).To(Equal(ipfs.BlockModel{
-				Data: test_helpers.Rct1IPLD.RawData(),
-				CID:  test_helpers.Rct1IPLD.Cid().String(),
+				Data: test_helpers.Rct1IPLD,
+				CID:  test_helpers.Rct1CID.String(),
 			}))
 
 			iplds2, err := filterer.Filter(rctTopicsFilter, test_helpers.MockConvertedPayload)
@@ -103,8 +102,8 @@ var _ = Describe("Filterer", func() {
 			Expect(len(iplds2.StateNodes)).To(Equal(0))
 			Expect(len(iplds2.Receipts)).To(Equal(1))
 			Expect(iplds2.Receipts[0]).To(Equal(ipfs.BlockModel{
-				Data: test_helpers.Rct1IPLD.RawData(),
-				CID:  test_helpers.Rct1IPLD.Cid().String(),
+				Data: test_helpers.Rct1IPLD,
+				CID:  test_helpers.Rct1CID.String(),
 			}))
 
 			iplds3, err := filterer.Filter(rctTopicsAndAddressFilter, test_helpers.MockConvertedPayload)
@@ -118,8 +117,8 @@ var _ = Describe("Filterer", func() {
 			Expect(len(iplds3.StateNodes)).To(Equal(0))
 			Expect(len(iplds3.Receipts)).To(Equal(1))
 			Expect(iplds3.Receipts[0]).To(Equal(ipfs.BlockModel{
-				Data: test_helpers.Rct1IPLD.RawData(),
-				CID:  test_helpers.Rct1IPLD.Cid().String(),
+				Data: test_helpers.Rct1IPLD,
+				CID:  test_helpers.Rct1CID.String(),
 			}))
 
 			iplds4, err := filterer.Filter(rctAddressesAndTopicFilter, test_helpers.MockConvertedPayload)
@@ -133,8 +132,8 @@ var _ = Describe("Filterer", func() {
 			Expect(len(iplds4.StateNodes)).To(Equal(0))
 			Expect(len(iplds4.Receipts)).To(Equal(1))
 			Expect(iplds4.Receipts[0]).To(Equal(ipfs.BlockModel{
-				Data: test_helpers.Rct2IPLD.RawData(),
-				CID:  test_helpers.Rct2IPLD.Cid().String(),
+				Data: test_helpers.Rct2IPLD,
+				CID:  test_helpers.Rct2CID.String(),
 			}))
 
 			iplds5, err := filterer.Filter(rctsForAllCollectedTrxs, test_helpers.MockConvertedPayload)
@@ -143,16 +142,16 @@ var _ = Describe("Filterer", func() {
 			Expect(iplds5.BlockNumber.Int64()).To(Equal(test_helpers.MockIPLDs.BlockNumber.Int64()))
 			Expect(iplds5.Header).To(Equal(ipfs.BlockModel{}))
 			Expect(len(iplds5.Uncles)).To(Equal(0))
-			Expect(len(iplds5.Transactions)).To(Equal(3))
-			Expect(shared.IPLDsContainBytes(iplds5.Transactions, test_helpers.MockTransactions.GetRlp(0))).To(BeTrue())
-			Expect(shared.IPLDsContainBytes(iplds5.Transactions, test_helpers.MockTransactions.GetRlp(1))).To(BeTrue())
-			Expect(shared.IPLDsContainBytes(iplds5.Transactions, test_helpers.MockTransactions.GetRlp(2))).To(BeTrue())
+			Expect(len(iplds5.Transactions)).To(Equal(4))
+			Expect(shared.IPLDsContainBytes(iplds5.Transactions, test_helpers.Tx1)).To(BeTrue())
+			Expect(shared.IPLDsContainBytes(iplds5.Transactions, test_helpers.Tx2)).To(BeTrue())
+			Expect(shared.IPLDsContainBytes(iplds5.Transactions, test_helpers.Tx3)).To(BeTrue())
 			Expect(len(iplds5.StorageNodes)).To(Equal(0))
 			Expect(len(iplds5.StateNodes)).To(Equal(0))
-			Expect(len(iplds5.Receipts)).To(Equal(3))
-			Expect(shared.IPLDsContainBytes(iplds5.Receipts, test_helpers.MockReceipts.GetRlp(0))).To(BeTrue())
-			Expect(shared.IPLDsContainBytes(iplds5.Receipts, test_helpers.MockReceipts.GetRlp(1))).To(BeTrue())
-			Expect(shared.IPLDsContainBytes(iplds5.Receipts, test_helpers.MockReceipts.GetRlp(2))).To(BeTrue())
+			Expect(len(iplds5.Receipts)).To(Equal(4))
+			Expect(shared.IPLDsContainBytes(iplds5.Receipts, test_helpers.Rct1IPLD)).To(BeTrue())
+			Expect(shared.IPLDsContainBytes(iplds5.Receipts, test_helpers.Rct2IPLD)).To(BeTrue())
+			Expect(shared.IPLDsContainBytes(iplds5.Receipts, test_helpers.Rct3IPLD)).To(BeTrue())
 
 			iplds6, err := filterer.Filter(rctsForSelectCollectedTrxs, test_helpers.MockConvertedPayload)
 			Expect(err).ToNot(HaveOccurred())
@@ -161,13 +160,13 @@ var _ = Describe("Filterer", func() {
 			Expect(iplds6.Header).To(Equal(ipfs.BlockModel{}))
 			Expect(len(iplds6.Uncles)).To(Equal(0))
 			Expect(len(iplds6.Transactions)).To(Equal(1))
-			Expect(shared.IPLDsContainBytes(iplds5.Transactions, test_helpers.MockTransactions.GetRlp(1))).To(BeTrue())
+			Expect(shared.IPLDsContainBytes(iplds5.Transactions, test_helpers.Tx2)).To(BeTrue())
 			Expect(len(iplds6.StorageNodes)).To(Equal(0))
 			Expect(len(iplds6.StateNodes)).To(Equal(0))
 			Expect(len(iplds6.Receipts)).To(Equal(1))
 			Expect(iplds4.Receipts[0]).To(Equal(ipfs.BlockModel{
-				Data: test_helpers.Rct2IPLD.RawData(),
-				CID:  test_helpers.Rct2IPLD.Cid().String(),
+				Data: test_helpers.Rct2IPLD,
+				CID:  test_helpers.Rct2CID.String(),
 			}))
 
 			iplds7, err := filterer.Filter(stateFilter, test_helpers.MockConvertedPayload)

pkg/eth/helpers.go

@@ -17,7 +17,12 @@
 package eth
 
 import (
+	"encoding/json"
 	"fmt"
+	"os"
+
+	"github.com/ethereum/go-ethereum/cmd/utils"
+	log "github.com/sirupsen/logrus"
 
 	sdtypes "github.com/ethereum/go-ethereum/statediff/types"
 
@@ -39,6 +44,28 @@ func ResolveToNodeType(nodeType int) sdtypes.NodeType {
 	}
 }
 
+// LoadConfig loads chain config from json file
+func LoadConfig(chainConfigPath string) (*params.ChainConfig, error) {
+	file, err := os.Open(chainConfigPath)
+	if err != nil {
+		utils.Fatalf("Failed to read chain config file: %v", err)
+
+		return nil, err
+	}
+	defer file.Close()
+
+	chainConfig := new(params.ChainConfig)
+	if err := json.NewDecoder(file).Decode(chainConfig); err != nil {
+		utils.Fatalf("invalid chain config file: %v", err)
+
+		return nil, err
+	}
+
+	log.Infof("Using chain config from %s file. Content %+v", chainConfigPath, chainConfig)
+
+	return chainConfig, nil
+}
+
 // ChainConfig returns the appropriate ethereum chain config for the provided chain id
 func ChainConfig(chainID uint64) (*params.ChainConfig, error) {
 	switch chainID {

pkg/eth/ipld_fetcher.go

@@ -22,13 +22,11 @@ import (
 	"math/big"
 
 	"github.com/ethereum/go-ethereum/common"
+	"github.com/ethereum/go-ethereum/statediff/indexer/ipfs"
+	"github.com/ethereum/go-ethereum/statediff/indexer/models"
+	"github.com/ethereum/go-ethereum/statediff/indexer/postgres"
 	"github.com/jmoiron/sqlx"
 	log "github.com/sirupsen/logrus"
-
-	"github.com/vulcanize/ipld-eth-indexer/pkg/eth"
-	"github.com/vulcanize/ipld-eth-indexer/pkg/ipfs"
-	"github.com/vulcanize/ipld-eth-indexer/pkg/postgres"
-
 	"github.com/vulcanize/ipld-eth-server/pkg/shared"
 )
 
@@ -104,7 +102,7 @@ func (f *IPLDFetcher) Fetch(cids CIDWrapper) (*IPLDs, error) {
 }
 
 // FetchHeaders fetches headers
-func (f *IPLDFetcher) FetchHeader(tx *sqlx.Tx, c eth.HeaderModel) (ipfs.BlockModel, error) {
+func (f *IPLDFetcher) FetchHeader(tx *sqlx.Tx, c models.HeaderModel) (ipfs.BlockModel, error) {
 	log.Debug("fetching header ipld")
 	headerBytes, err := shared.FetchIPLDByMhKey(tx, c.MhKey)
 	if err != nil {
@@ -117,7 +115,7 @@ func (f *IPLDFetcher) FetchHeader(tx *sqlx.Tx, c eth.HeaderModel) (ipfs.BlockMod
 }
 
 // FetchUncles fetches uncles
-func (f *IPLDFetcher) FetchUncles(tx *sqlx.Tx, cids []eth.UncleModel) ([]ipfs.BlockModel, error) {
+func (f *IPLDFetcher) FetchUncles(tx *sqlx.Tx, cids []models.UncleModel) ([]ipfs.BlockModel, error) {
 	log.Debug("fetching uncle iplds")
 	uncleIPLDs := make([]ipfs.BlockModel, len(cids))
 	for i, c := range cids {
@@ -134,7 +132,7 @@ func (f *IPLDFetcher) FetchUncles(tx *sqlx.Tx, cids []eth.UncleModel) ([]ipfs.Bl
 }
 
 // FetchTrxs fetches transactions
-func (f *IPLDFetcher) FetchTrxs(tx *sqlx.Tx, cids []eth.TxModel) ([]ipfs.BlockModel, error) {
+func (f *IPLDFetcher) FetchTrxs(tx *sqlx.Tx, cids []models.TxModel) ([]ipfs.BlockModel, error) {
 	log.Debug("fetching transaction iplds")
 	trxIPLDs := make([]ipfs.BlockModel, len(cids))
 	for i, c := range cids {
@@ -151,24 +149,25 @@ func (f *IPLDFetcher) FetchTrxs(tx *sqlx.Tx, cids []eth.TxModel) ([]ipfs.BlockMo
 }
 
 // FetchRcts fetches receipts
-func (f *IPLDFetcher) FetchRcts(tx *sqlx.Tx, cids []eth.ReceiptModel) ([]ipfs.BlockModel, error) {
+func (f *IPLDFetcher) FetchRcts(tx *sqlx.Tx, cids []models.ReceiptModel) ([]ipfs.BlockModel, error) {
 	log.Debug("fetching receipt iplds")
 	rctIPLDs := make([]ipfs.BlockModel, len(cids))
 	for i, c := range cids {
-		rctBytes, err := shared.FetchIPLDByMhKey(tx, c.MhKey)
+		rctBytes, err := shared.FetchIPLDByMhKey(tx, c.LeafMhKey)
 		if err != nil {
 			return nil, err
 		}
+		//nodeVal, err := DecodeLeafNode(rctBytes)
 		rctIPLDs[i] = ipfs.BlockModel{
 			Data: rctBytes,
-			CID:  c.CID,
+			CID:  c.LeafCID,
 		}
 	}
 	return rctIPLDs, nil
 }
 
 // FetchState fetches state nodes
-func (f *IPLDFetcher) FetchState(tx *sqlx.Tx, cids []eth.StateNodeModel) ([]StateNode, error) {
+func (f *IPLDFetcher) FetchState(tx *sqlx.Tx, cids []models.StateNodeModel) ([]StateNode, error) {
 	log.Debug("fetching state iplds")
 	stateNodes := make([]StateNode, 0, len(cids))
 	for _, stateNode := range cids {
@@ -193,7 +192,7 @@ func (f *IPLDFetcher) FetchState(tx *sqlx.Tx, cids []eth.StateNodeModel) ([]Stat
 }
 
 // FetchStorage fetches storage nodes
-func (f *IPLDFetcher) FetchStorage(tx *sqlx.Tx, cids []eth.StorageNodeWithStateKeyModel) ([]StorageNode, error) {
+func (f *IPLDFetcher) FetchStorage(tx *sqlx.Tx, cids []models.StorageNodeWithStateKeyModel) ([]StorageNode, error) {
 	log.Debug("fetching storage iplds")
 	storageNodes := make([]StorageNode, 0, len(cids))
 	for _, storageNode := range cids {

pkg/eth/ipld_fetcher_test.go

@@ -17,12 +17,11 @@
 package eth_test
 
 import (
+	"github.com/ethereum/go-ethereum/params"
+	"github.com/ethereum/go-ethereum/statediff/indexer"
+	"github.com/ethereum/go-ethereum/statediff/indexer/postgres"
 	. "github.com/onsi/ginkgo"
 	. "github.com/onsi/gomega"
-	"github.com/vulcanize/ipld-eth-indexer/pkg/shared"
-
-	eth2 "github.com/vulcanize/ipld-eth-indexer/pkg/eth"
-	"github.com/vulcanize/ipld-eth-indexer/pkg/postgres"
 
 	"github.com/vulcanize/ipld-eth-server/pkg/eth"
 	"github.com/vulcanize/ipld-eth-server/pkg/eth/test_helpers"
@@ -31,18 +30,30 @@ import (
 var _ = Describe("IPLDFetcher", func() {
 	var (
 		db            *postgres.DB
-		pubAndIndexer *eth2.IPLDPublisher
+		pubAndIndexer *indexer.StateDiffIndexer
 		fetcher       *eth.IPLDFetcher
 	)
 	Describe("Fetch", func() {
 		BeforeEach(func() {
-			var err error
-			db, err = shared.SetupDB()
+			var (
+				err error
+				tx  *indexer.BlockTx
+			)
+			db, err = SetupDB()
 			Expect(err).ToNot(HaveOccurred())
-			pubAndIndexer = eth2.NewIPLDPublisher(db)
-			err = pubAndIndexer.Publish(test_helpers.MockConvertedPayload)
+			pubAndIndexer, err = indexer.NewStateDiffIndexer(params.TestChainConfig, db)
+			Expect(err).ToNot(HaveOccurred())
+
+			tx, err = pubAndIndexer.PushBlock(test_helpers.MockBlock, test_helpers.MockReceipts, test_helpers.MockBlock.Difficulty())
+			for _, node := range test_helpers.MockStateNodes {
+				err = pubAndIndexer.PushStateNode(tx, node)
+				Expect(err).ToNot(HaveOccurred())
+			}
+
+			err = tx.Close(err)
 			Expect(err).ToNot(HaveOccurred())
 			fetcher = eth.NewIPLDFetcher(db)
+
 		})
 		AfterEach(func() {
 			eth.TearDownDB(db)

pkg/eth/ipld_retriever.go

@@ -19,25 +19,31 @@ package eth
 import (
 	"fmt"
 
+	"github.com/ethereum/go-ethereum/statediff/trie"
+	sdtypes "github.com/ethereum/go-ethereum/statediff/types"
+
 	"github.com/ethereum/go-ethereum/common"
 	"github.com/ethereum/go-ethereum/crypto"
 	"github.com/ethereum/go-ethereum/rlp"
+	"github.com/ethereum/go-ethereum/statediff/indexer/postgres"
 	"github.com/lib/pq"
-
-	"github.com/vulcanize/ipld-eth-indexer/pkg/postgres"
 )
 
 const (
+	// node type removed value.
+	// https://github.com/vulcanize/go-ethereum/blob/271f4d01e7e2767ffd8e0cd469bf545be96f2a84/statediff/indexer/helpers.go#L34
+	removedNode = 3
+
 	RetrieveHeadersByHashesPgStr = `SELECT cid, data
-								FROM eth.header_cids 
+								FROM eth.header_cids
 									INNER JOIN public.blocks ON (header_cids.mh_key = blocks.key)
 								WHERE block_hash = ANY($1::VARCHAR(66)[])`
 	RetrieveHeadersByBlockNumberPgStr = `SELECT cid, data
-								FROM eth.header_cids 
+								FROM eth.header_cids
 									INNER JOIN public.blocks ON (header_cids.mh_key = blocks.key)
 								WHERE block_number = $1`
 	RetrieveHeaderByHashPgStr = `SELECT cid, data
-								FROM eth.header_cids 
+								FROM eth.header_cids
 									INNER JOIN public.blocks ON (header_cids.mh_key = blocks.key)
 								WHERE block_hash = $1`
 	RetrieveUnclesByHashesPgStr = `SELECT cid, data
@@ -78,33 +84,31 @@ const (
 									FROM eth.transaction_cids
 										INNER JOIN public.blocks ON (transaction_cids.mh_key = blocks.key)
 									WHERE tx_hash = $1`
-	RetrieveReceiptsByTxHashesPgStr = `SELECT receipt_cids.cid, data
+	RetrieveReceiptsByTxHashesPgStr = `SELECT receipt_cids.leaf_cid, data
 									FROM eth.receipt_cids
 										INNER JOIN eth.transaction_cids ON (receipt_cids.tx_id = transaction_cids.id)
-										INNER JOIN public.blocks ON (receipt_cids.mh_key = blocks.key)
+										INNER JOIN public.blocks ON (receipt_cids.leaf_mh_key = blocks.key)
 									WHERE tx_hash = ANY($1::VARCHAR(66)[])`
-	RetrieveReceiptsByBlockHashPgStr = `SELECT receipt_cids.cid, data
+	RetrieveReceiptsByBlockHashPgStr = `SELECT receipt_cids.leaf_cid, data, eth.transaction_cids.tx_hash
 										FROM eth.receipt_cids
 											INNER JOIN eth.transaction_cids ON (receipt_cids.tx_id = transaction_cids.id)
 											INNER JOIN eth.header_cids ON (transaction_cids.header_id = header_cids.id)
-											INNER JOIN public.blocks ON (receipt_cids.mh_key = blocks.key)
+											INNER JOIN public.blocks ON (receipt_cids.leaf_mh_key = blocks.key)
 										WHERE block_hash = $1
 										ORDER BY eth.transaction_cids.index ASC`
-	RetrieveReceiptsByBlockNumberPgStr = `SELECT receipt_cids.cid, data
+	RetrieveReceiptsByBlockNumberPgStr = `SELECT receipt_cids.leaf_cid, data
 										FROM eth.receipt_cids
 											INNER JOIN eth.transaction_cids ON (receipt_cids.tx_id = transaction_cids.id)
 											INNER JOIN eth.header_cids ON (transaction_cids.header_id = header_cids.id)
-											INNER JOIN public.blocks ON (receipt_cids.mh_key = blocks.key)
+											INNER JOIN public.blocks ON (receipt_cids.leaf_mh_key = blocks.key)
 										WHERE block_number = $1
 										ORDER BY eth.transaction_cids.index ASC`
-	RetrieveReceiptByTxHashPgStr = `SELECT receipt_cids.cid, data
+	RetrieveReceiptByTxHashPgStr = `SELECT receipt_cids.leaf_cid, data
 									FROM eth.receipt_cids
 										INNER JOIN eth.transaction_cids ON (receipt_cids.tx_id = transaction_cids.id)
-										INNER JOIN public.blocks ON (receipt_cids.mh_key = blocks.key)
+										INNER JOIN public.blocks ON (receipt_cids.leaf_mh_key = blocks.key)
 									WHERE tx_hash = $1`
-	RetrieveAccountByLeafKeyAndBlockHashPgStr = `SELECT state_cids.cid,
-														data,
-														was_state_removed(state_path, block_number, $2) AS removed
+	RetrieveAccountByLeafKeyAndBlockHashPgStr = `SELECT state_cids.cid, data, state_cids.node_type
 												FROM eth.state_cids
 													INNER JOIN eth.header_cids ON (state_cids.header_id = header_cids.id)
 													INNER JOIN public.blocks ON (state_cids.mh_key = blocks.key)
@@ -115,12 +119,7 @@ const (
 												AND header_cids.id = (SELECT canonical_header_id(block_number))
 												ORDER BY block_number DESC
 												LIMIT 1`
-	RetrieveAccountByLeafKeyAndBlockNumberPgStr = `SELECT state_cids.cid,
-														  data,
-														  was_state_removed(state_path, block_number, (SELECT block_hash
-																									  FROM eth.header_cids
-																									  WHERE block_number = $2
-																									  LIMIT 1)) AS removed
+	RetrieveAccountByLeafKeyAndBlockNumberPgStr = `SELECT state_cids.cid, data, state_cids.node_type
 													FROM eth.state_cids
 														INNER JOIN eth.header_cids ON (state_cids.header_id = header_cids.id)
 														INNER JOIN public.blocks ON (state_cids.mh_key = blocks.key)
@@ -128,12 +127,7 @@ const (
 													AND block_number <= $2
 													ORDER BY block_number DESC
 													LIMIT 1`
-	RetrieveStorageLeafByAddressHashAndLeafKeyAndBlockNumberPgStr = `SELECT storage_cids.cid,
-																			data,
-																			was_storage_removed(storage_path, block_number, (SELECT block_hash
-																															FROM eth.header_cids
-																															WHERE block_number = $3
-																															LIMIT 1)) AS removed
+	RetrieveStorageLeafByAddressHashAndLeafKeyAndBlockNumberPgStr = `SELECT storage_cids.cid, data, storage_cids.node_type, was_state_leaf_removed($1, $3) AS state_leaf_removed
 																	FROM eth.storage_cids
 																		INNER JOIN eth.state_cids ON (storage_cids.state_id = state_cids.id)
 																		INNER JOIN eth.header_cids ON (state_cids.header_id = header_cids.id)
@@ -143,9 +137,7 @@ const (
 																	AND block_number <= $3
 																	ORDER BY block_number DESC
 																	LIMIT 1`
-	RetrieveStorageLeafByAddressHashAndLeafKeyAndBlockHashPgStr = `SELECT storage_cids.cid,
-																		  data,
-																		  was_storage_removed(storage_path, block_number, $3) AS removed
+	RetrieveStorageLeafByAddressHashAndLeafKeyAndBlockHashPgStr = `SELECT storage_cids.cid, data, storage_cids.node_type, was_state_leaf_removed($1, $3) AS state_leaf_removed
 																	FROM eth.storage_cids
 																		INNER JOIN eth.state_cids ON (storage_cids.state_id = state_cids.id)
 																		INNER JOIN eth.header_cids ON (state_cids.header_id = header_cids.id)
@@ -160,10 +152,20 @@ const (
 																	LIMIT 1`
 )
 
-type ipldResult struct {
-	CID  string `db:"cid"`
-	Data []byte `db:"data"`
+var EmptyNodeValue = make([]byte, common.HashLength)
+
+type rctIpldResult struct {
+	LeafCID string `db:"leaf_cid"`
+	Data    []byte `db:"data"`
+	TxHash  string `db:"tx_hash"`
 }
+
+type ipldResult struct {
+	CID    string `db:"cid"`
+	Data   []byte `db:"data"`
+	TxHash string `db:"tx_hash"`
+}
+
 type IPLDRetriever struct {
 	db *postgres.DB
 }
@@ -325,9 +327,26 @@ func (r *IPLDRetriever) RetrieveTransactionByTxHash(hash common.Hash) (string, [
 	return txResult.CID, txResult.Data, r.db.Get(txResult, RetrieveTransactionByHashPgStr, hash.Hex())
 }
 
+// DecodeLeafNode decodes the leaf node data
+func DecodeLeafNode(node []byte) ([]byte, error) {
+	var nodeElements []interface{}
+	if err := rlp.DecodeBytes(node, &nodeElements); err != nil {
+		return nil, err
+	}
+	ty, err := trie.CheckKeyType(nodeElements)
+	if err != nil {
+		return nil, err
+	}
+
+	if ty != sdtypes.Leaf {
+		return nil, fmt.Errorf("expected leaf node but found %s", ty)
+	}
+	return nodeElements[1].([]byte), nil
+}
+
 // RetrieveReceiptsByTxHashes returns the cids and rlp bytes for the receipts corresponding to the provided tx hashes
 func (r *IPLDRetriever) RetrieveReceiptsByTxHashes(hashes []common.Hash) ([]string, [][]byte, error) {
-	rctResults := make([]ipldResult, 0)
+	rctResults := make([]rctIpldResult, 0)
 	hashStrs := make([]string, len(hashes))
 	for i, hash := range hashes {
 		hashStrs[i] = hash.Hex()
@@ -338,52 +357,80 @@ func (r *IPLDRetriever) RetrieveReceiptsByTxHashes(hashes []common.Hash) ([]stri
 	cids := make([]string, len(rctResults))
 	rcts := make([][]byte, len(rctResults))
 	for i, res := range rctResults {
-		cids[i] = res.CID
-		rcts[i] = res.Data
+		cids[i] = res.LeafCID
+		nodeVal, err := DecodeLeafNode(res.Data)
+		if err != nil {
+			return nil, nil, err
+		}
+		rcts[i] = nodeVal
 	}
 	return cids, rcts, nil
 }
 
-// RetrieveReceiptsByBlockHash returns the cids and rlp bytes for the receipts corresponding to the provided block hash
-func (r *IPLDRetriever) RetrieveReceiptsByBlockHash(hash common.Hash) ([]string, [][]byte, error) {
-	rctResults := make([]ipldResult, 0)
+// RetrieveReceiptsByBlockHash returns the cids and rlp bytes for the receipts corresponding to the provided block hash.
+// cid returned corresponds to the leaf node data which contains the receipt.
+func (r *IPLDRetriever) RetrieveReceiptsByBlockHash(hash common.Hash) ([]string, [][]byte, []common.Hash, error) {
+	rctResults := make([]rctIpldResult, 0)
 	if err := r.db.Select(&rctResults, RetrieveReceiptsByBlockHashPgStr, hash.Hex()); err != nil {
-		return nil, nil, err
+		return nil, nil, nil, err
 	}
 	cids := make([]string, len(rctResults))
 	rcts := make([][]byte, len(rctResults))
+	txs := make([]common.Hash, len(rctResults))
+
 	for i, res := range rctResults {
-		cids[i] = res.CID
-		rcts[i] = res.Data
+		cids[i] = res.LeafCID
+		nodeVal, err := DecodeLeafNode(res.Data)
+		if err != nil {
+			return nil, nil, nil, err
+		}
+		rcts[i] = nodeVal
+		txs[i] = common.HexToHash(res.TxHash)
 	}
-	return cids, rcts, nil
+
+	return cids, rcts, txs, nil
 }
 
-// RetrieveReceiptsByBlockNumber returns the cids and rlp bytes for the receipts corresponding to the provided block hash
+// RetrieveReceiptsByBlockNumber returns the cids and rlp bytes for the receipts corresponding to the provided block hash.
+// cid returned corresponds to the leaf node data which contains the receipt.
 func (r *IPLDRetriever) RetrieveReceiptsByBlockNumber(number uint64) ([]string, [][]byte, error) {
-	rctResults := make([]ipldResult, 0)
+	rctResults := make([]rctIpldResult, 0)
 	if err := r.db.Select(&rctResults, RetrieveReceiptsByBlockNumberPgStr, number); err != nil {
 		return nil, nil, err
 	}
 	cids := make([]string, len(rctResults))
 	rcts := make([][]byte, len(rctResults))
 	for i, res := range rctResults {
-		cids[i] = res.CID
-		rcts[i] = res.Data
+		cids[i] = res.LeafCID
+		nodeVal, err := DecodeLeafNode(res.Data)
+		if err != nil {
+			return nil, nil, err
+		}
+		rcts[i] = nodeVal
 	}
 	return cids, rcts, nil
 }
 
-// RetrieveReceiptByHash returns the cid and rlp bytes for the receipt corresponding to the provided tx hash
+// RetrieveReceiptByHash returns the cid and rlp bytes for the receipt corresponding to the provided tx hash.
+// cid returned corresponds to the leaf node data which contains the receipt.
 func (r *IPLDRetriever) RetrieveReceiptByHash(hash common.Hash) (string, []byte, error) {
-	rctResult := new(ipldResult)
-	return rctResult.CID, rctResult.Data, r.db.Get(rctResult, RetrieveReceiptByTxHashPgStr, hash.Hex())
+	rctResult := new(rctIpldResult)
+	if err := r.db.Select(&rctResult, RetrieveReceiptByTxHashPgStr, hash.Hex()); err != nil {
+		return "", nil, err
+	}
+
+	nodeVal, err := DecodeLeafNode(rctResult.Data)
+	if err != nil {
+		return "", nil, err
+	}
+	return rctResult.LeafCID, nodeVal, nil
 }
 
 type nodeInfo struct {
-	CID     string `db:"cid"`
-	Data    []byte `db:"data"`
-	Removed bool   `db:"removed"`
+	CID              string `db:"cid"`
+	Data             []byte `db:"data"`
+	NodeType         int    `db:"node_type"`
+	StateLeafRemoved bool   `db:"state_leaf_removed"`
 }
 
 // RetrieveAccountByAddressAndBlockHash returns the cid and rlp bytes for the account corresponding to the provided address and block hash
@@ -394,9 +441,11 @@ func (r *IPLDRetriever) RetrieveAccountByAddressAndBlockHash(address common.Addr
 	if err := r.db.Get(accountResult, RetrieveAccountByLeafKeyAndBlockHashPgStr, leafKey.Hex(), hash.Hex()); err != nil {
 		return "", nil, err
 	}
-	if accountResult.Removed {
-		return "", []byte{}, nil
+
+	if accountResult.NodeType == removedNode {
+		return "", EmptyNodeValue, nil
 	}
+
 	var i []interface{}
 	if err := rlp.DecodeBytes(accountResult.Data, &i); err != nil {
 		return "", nil, fmt.Errorf("error decoding state leaf node rlp: %s", err.Error())
@@ -415,9 +464,11 @@ func (r *IPLDRetriever) RetrieveAccountByAddressAndBlockNumber(address common.Ad
 	if err := r.db.Get(accountResult, RetrieveAccountByLeafKeyAndBlockNumberPgStr, leafKey.Hex(), number); err != nil {
 		return "", nil, err
 	}
-	if accountResult.Removed {
-		return "", []byte{}, nil
+
+	if accountResult.NodeType == removedNode {
+		return "", EmptyNodeValue, nil
 	}
+
 	var i []interface{}
 	if err := rlp.DecodeBytes(accountResult.Data, &i); err != nil {
 		return "", nil, fmt.Errorf("error decoding state leaf node rlp: %s", err.Error())
@@ -428,25 +479,26 @@ func (r *IPLDRetriever) RetrieveAccountByAddressAndBlockNumber(address common.Ad
 	return accountResult.CID, i[1].([]byte), nil
 }
 
-// RetrieveStorageAtByAddressAndStorageKeyAndBlockHash returns the cid and rlp bytes for the storage value corresponding to the provided address, storage key, and block hash
-func (r *IPLDRetriever) RetrieveStorageAtByAddressAndStorageKeyAndBlockHash(address common.Address, storageLeafKey, hash common.Hash) (string, []byte, error) {
+// RetrieveStorageAtByAddressAndStorageSlotAndBlockHash returns the cid and rlp bytes for the storage value corresponding to the provided address, storage slot, and block hash
+func (r *IPLDRetriever) RetrieveStorageAtByAddressAndStorageSlotAndBlockHash(address common.Address, key, hash common.Hash) (string, []byte, []byte, error) {
 	storageResult := new(nodeInfo)
 	stateLeafKey := crypto.Keccak256Hash(address.Bytes())
-	if err := r.db.Get(storageResult, RetrieveStorageLeafByAddressHashAndLeafKeyAndBlockHashPgStr, stateLeafKey.Hex(), storageLeafKey.Hex(), hash.Hex()); err != nil {
-		return "", nil, err
+	storageHash := crypto.Keccak256Hash(key.Bytes())
+	if err := r.db.Get(storageResult, RetrieveStorageLeafByAddressHashAndLeafKeyAndBlockHashPgStr, stateLeafKey.Hex(), storageHash.Hex(), hash.Hex()); err != nil {
+		return "", nil, nil, err
 	}
-	if storageResult.Removed {
-		return "", []byte{}, nil
+	if storageResult.StateLeafRemoved || storageResult.NodeType == removedNode {
+		return "", EmptyNodeValue, EmptyNodeValue, nil
 	}
 	var i []interface{}
 	if err := rlp.DecodeBytes(storageResult.Data, &i); err != nil {
 		err = fmt.Errorf("error decoding storage leaf node rlp: %s", err.Error())
-		return "", nil, err
+		return "", nil, nil, err
 	}
 	if len(i) != 2 {
-		return "", nil, fmt.Errorf("eth IPLDRetriever expected storage leaf node rlp to decode into two elements")
+		return "", nil, nil, fmt.Errorf("eth IPLDRetriever expected storage leaf node rlp to decode into two elements")
 	}
-	return storageResult.CID, i[1].([]byte), nil
+	return storageResult.CID, storageResult.Data, i[1].([]byte), nil
 }
 
 // RetrieveStorageAtByAddressAndStorageKeyAndBlockNumber returns the cid and rlp bytes for the storage value corresponding to the provided address, storage key, and block number
@@ -457,8 +509,9 @@ func (r *IPLDRetriever) RetrieveStorageAtByAddressAndStorageKeyAndBlockNumber(ad
 	if err := r.db.Get(storageResult, RetrieveStorageLeafByAddressHashAndLeafKeyAndBlockNumberPgStr, stateLeafKey.Hex(), storageLeafKey.Hex(), number); err != nil {
 		return "", nil, err
 	}
-	if storageResult.Removed {
-		return "", []byte{}, nil
+
+	if storageResult.StateLeafRemoved || storageResult.NodeType == removedNode {
+		return "", EmptyNodeValue, nil
 	}
 	var i []interface{}
 	if err := rlp.DecodeBytes(storageResult.Data, &i); err != nil {

pkg/eth/test_helpers.go

@@ -17,10 +17,9 @@
 package eth
 
 import (
+	"github.com/ethereum/go-ethereum/statediff/indexer/models"
+	"github.com/ethereum/go-ethereum/statediff/indexer/postgres"
 	. "github.com/onsi/gomega"
-
-	"github.com/vulcanize/ipld-eth-indexer/pkg/eth"
-	"github.com/vulcanize/ipld-eth-indexer/pkg/postgres"
 )
 
 // TearDownDB is used to tear down the watcher dbs after tests
@@ -40,13 +39,15 @@ func TearDownDB(db *postgres.DB) {
 	Expect(err).NotTo(HaveOccurred())
 	_, err = tx.Exec(`DELETE FROM blocks`)
 	Expect(err).NotTo(HaveOccurred())
+	_, err = tx.Exec(`DELETE FROM eth.log_cids`)
+	Expect(err).NotTo(HaveOccurred())
 
 	err = tx.Commit()
 	Expect(err).NotTo(HaveOccurred())
 }
 
 // TxModelsContainsCID used to check if a list of TxModels contains a specific cid string
-func TxModelsContainsCID(txs []eth.TxModel, cid string) bool {
+func TxModelsContainsCID(txs []models.TxModel, cid string) bool {
 	for _, tx := range txs {
 		if tx.CID == cid {
 			return true
@@ -55,10 +56,10 @@ func TxModelsContainsCID(txs []eth.TxModel, cid string) bool {
 	return false
 }
 
-// ListContainsBytes used to check if a list of byte arrays contains a particular byte array
-func ReceiptModelsContainsCID(rcts []eth.ReceiptModel, cid string) bool {
+// ReceiptModelsContainsCID used to check if a list of ReceiptModel contains a specific cid string
+func ReceiptModelsContainsCID(rcts []models.ReceiptModel, cid string) bool {
 	for _, rct := range rcts {
-		if rct.CID == cid {
+		if rct.LeafCID == cid {
 			return true
 		}
 	}

pkg/eth/test_helpers/chain_maker.go

@@ -62,6 +62,7 @@ data function sig: 73d4a13a
 // the returned hash chain is ordered head->parent.
 func MakeChain(n int, parent *types.Block, chainGen func(int, *core.BlockGen)) ([]*types.Block, []types.Receipts, *core.BlockChain) {
 	config := params.TestChainConfig
+	config.LondonBlock = big.NewInt(100)
 	blocks, receipts := core.GenerateChain(config, parent, ethash.NewFaker(), Testdb, n, chainGen)
 	chain, _ := core.NewBlockChain(Testdb, nil, params.TestChainConfig, ethash.NewFaker(), vm.Config{}, nil, nil)
 	return append([]*types.Block{parent}, blocks...), receipts, chain

pkg/eth/test_helpers/test_data.go

@@ -17,37 +17,37 @@
 package test_helpers
 
 import (
+	"bytes"
 	"crypto/ecdsa"
 	"crypto/elliptic"
 	"crypto/rand"
 	"math/big"
 
-	sdtypes "github.com/ethereum/go-ethereum/statediff/types"
-	"github.com/ethereum/go-ethereum/trie"
-
-	"github.com/vulcanize/ipld-eth-indexer/pkg/shared"
-
 	"github.com/ethereum/go-ethereum/common"
-	"github.com/ethereum/go-ethereum/core/state"
 	"github.com/ethereum/go-ethereum/core/types"
 	"github.com/ethereum/go-ethereum/crypto"
 	"github.com/ethereum/go-ethereum/params"
 	"github.com/ethereum/go-ethereum/rlp"
+	"github.com/ethereum/go-ethereum/statediff/indexer"
+	"github.com/ethereum/go-ethereum/statediff/indexer/ipfs"
+	"github.com/ethereum/go-ethereum/statediff/indexer/ipfs/ipld"
+	"github.com/ethereum/go-ethereum/statediff/indexer/models"
+	"github.com/ethereum/go-ethereum/statediff/indexer/postgres"
+	"github.com/ethereum/go-ethereum/statediff/indexer/shared"
 	"github.com/ethereum/go-ethereum/statediff/testhelpers"
-	"github.com/ipfs/go-block-format"
+	sdtypes "github.com/ethereum/go-ethereum/statediff/types"
+	"github.com/ethereum/go-ethereum/trie"
+	blocks "github.com/ipfs/go-block-format"
 	"github.com/multiformats/go-multihash"
 	log "github.com/sirupsen/logrus"
 
-	"github.com/vulcanize/ipld-eth-indexer/pkg/eth"
-	"github.com/vulcanize/ipld-eth-indexer/pkg/ipfs"
-	"github.com/vulcanize/ipld-eth-indexer/pkg/ipfs/ipld"
-
-	eth2 "github.com/vulcanize/ipld-eth-server/pkg/eth"
+	"github.com/vulcanize/ipld-eth-server/pkg/eth"
 )
 
 // Test variables
 var (
 	// block data
+	db          *postgres.DB
 	BlockNumber = big.NewInt(1)
 	MockHeader  = types.Header{
 		Time:        0,
@@ -58,7 +58,7 @@ var (
 		Difficulty:  big.NewInt(5000000),
 		Extra:       []byte{},
 	}
-	MockTransactions, MockReceipts, SenderAddr = createTransactionsAndReceipts()
+	MockTransactions, MockReceipts, SenderAddr = createLegacyTransactionsAndReceipts()
 	MockUncles                                 = []*types.Header{
 		{
 			Time:        1,
@@ -80,7 +80,7 @@ var (
 		},
 	}
 	ReceiptsRlp, _   = rlp.EncodeToBytes(MockReceipts)
-	MockBlock        = types.NewBlock(&MockHeader, MockTransactions, MockUncles, MockReceipts, new(trie.Trie))
+	MockBlock        = createNewBlock(&MockHeader, MockTransactions, MockUncles, MockReceipts, new(trie.Trie))
 	MockHeaderRlp, _ = rlp.EncodeToBytes(MockBlock.Header())
 	MockChildHeader  = types.Header{
 		Time:        0,
@@ -96,6 +96,8 @@ var (
 	MockChildRlp, _      = rlp.EncodeToBytes(MockChild.Header())
 	Address              = common.HexToAddress("0xaE9BEa628c4Ce503DcFD7E305CaB4e29E7476592")
 	AnotherAddress       = common.HexToAddress("0xaE9BEa628c4Ce503DcFD7E305CaB4e29E7476593")
+	AnotherAddress1      = common.HexToAddress("0xaE9BEa628c4Ce503DcFD7E305CaB4e29E7476594")
+	AnotherAddress2      = common.HexToAddress("0xaE9BEa628c4Ce503DcFD7E305CaB4e29E7476596")
 	ContractAddress      = crypto.CreateAddress(SenderAddr, MockTransactions[2].Nonce())
 	ContractHash         = crypto.Keccak256Hash(ContractAddress.Bytes()).String()
 	MockContractByteCode = []byte{0, 1, 2, 3, 4, 5}
@@ -103,37 +105,97 @@ var (
 	mockTopic12          = common.HexToHash("0x06")
 	mockTopic21          = common.HexToHash("0x05")
 	mockTopic22          = common.HexToHash("0x07")
+	mockTopic31          = common.HexToHash("0x08")
+	mockTopic41          = common.HexToHash("0x09")
+	mockTopic42          = common.HexToHash("0x0a")
+	mockTopic43          = common.HexToHash("0x0b")
+	mockTopic51          = common.HexToHash("0x0c")
+	mockTopic61          = common.HexToHash("0x0d")
 	MockLog1             = &types.Log{
-		Address: Address,
-		Topics:  []common.Hash{mockTopic11, mockTopic12},
-		Data:    []byte{},
+		Address:     Address,
+		Topics:      []common.Hash{mockTopic11, mockTopic12},
+		Data:        []byte{},
+		BlockNumber: BlockNumber.Uint64(),
+		TxIndex:     0,
+		Index:       0,
 	}
 	MockLog2 = &types.Log{
-		Address: AnotherAddress,
-		Topics:  []common.Hash{mockTopic21, mockTopic22},
-		Data:    []byte{},
+		Address:     AnotherAddress,
+		Topics:      []common.Hash{mockTopic21, mockTopic22},
+		Data:        []byte{},
+		BlockNumber: BlockNumber.Uint64(),
+		TxIndex:     1,
+		Index:       1,
 	}
-	HeaderCID, _  = ipld.RawdataToCid(ipld.MEthHeader, MockHeaderRlp, multihash.KECCAK_256)
-	HeaderMhKey   = shared.MultihashKeyFromCID(HeaderCID)
-	Trx1CID, _    = ipld.RawdataToCid(ipld.MEthTx, MockTransactions.GetRlp(0), multihash.KECCAK_256)
-	Trx1MhKey     = shared.MultihashKeyFromCID(Trx1CID)
-	Trx2CID, _    = ipld.RawdataToCid(ipld.MEthTx, MockTransactions.GetRlp(1), multihash.KECCAK_256)
-	Trx2MhKey     = shared.MultihashKeyFromCID(Trx2CID)
-	Trx3CID, _    = ipld.RawdataToCid(ipld.MEthTx, MockTransactions.GetRlp(2), multihash.KECCAK_256)
-	Trx3MhKey     = shared.MultihashKeyFromCID(Trx3CID)
-	Rct1CID, _    = ipld.RawdataToCid(ipld.MEthTxReceipt, MockReceipts.GetRlp(0), multihash.KECCAK_256)
-	Rct1MhKey     = shared.MultihashKeyFromCID(Rct1CID)
-	Rct2CID, _    = ipld.RawdataToCid(ipld.MEthTxReceipt, MockReceipts.GetRlp(1), multihash.KECCAK_256)
-	Rct2MhKey     = shared.MultihashKeyFromCID(Rct2CID)
-	Rct3CID, _    = ipld.RawdataToCid(ipld.MEthTxReceipt, MockReceipts.GetRlp(2), multihash.KECCAK_256)
-	Rct3MhKey     = shared.MultihashKeyFromCID(Rct3CID)
-	State1CID, _  = ipld.RawdataToCid(ipld.MEthStateTrie, ContractLeafNode, multihash.KECCAK_256)
-	State1MhKey   = shared.MultihashKeyFromCID(State1CID)
-	State2CID, _  = ipld.RawdataToCid(ipld.MEthStateTrie, AccountLeafNode, multihash.KECCAK_256)
-	State2MhKey   = shared.MultihashKeyFromCID(State2CID)
-	StorageCID, _ = ipld.RawdataToCid(ipld.MEthStorageTrie, StorageLeafNode, multihash.KECCAK_256)
-	StorageMhKey  = shared.MultihashKeyFromCID(StorageCID)
-	MockTrxMeta   = []eth.TxModel{
+	MockLog3 = &types.Log{
+		Address:     AnotherAddress1,
+		Topics:      []common.Hash{mockTopic31},
+		Data:        []byte{},
+		BlockNumber: BlockNumber.Uint64(),
+		TxIndex:     2,
+		Index:       2,
+	}
+
+	MockLog4 = &types.Log{
+		Address:     AnotherAddress1,
+		Topics:      []common.Hash{mockTopic41, mockTopic42, mockTopic43},
+		Data:        []byte{},
+		BlockNumber: BlockNumber.Uint64(),
+		TxIndex:     2,
+		Index:       3,
+	}
+	MockLog5 = &types.Log{
+		Address:     AnotherAddress1,
+		Topics:      []common.Hash{mockTopic51},
+		Data:        []byte{},
+		BlockNumber: BlockNumber.Uint64(),
+		TxIndex:     2,
+		Index:       4,
+	}
+	MockLog6 = &types.Log{
+		Address:     AnotherAddress2,
+		Topics:      []common.Hash{mockTopic61},
+		Data:        []byte{},
+		BlockNumber: BlockNumber.Uint64(),
+		TxIndex:     3,
+		Index:       5,
+	}
+
+	Tx1 = GetTxnRlp(0, MockTransactions)
+	Tx2 = GetTxnRlp(1, MockTransactions)
+	Tx3 = GetTxnRlp(2, MockTransactions)
+	Tx4 = GetTxnRlp(3, MockTransactions)
+
+	rctCIDs, rctIPLDData, _ = eth.GetRctLeafNodeData(MockReceipts)
+	HeaderCID, _            = ipld.RawdataToCid(ipld.MEthHeader, MockHeaderRlp, multihash.KECCAK_256)
+	HeaderMhKey             = shared.MultihashKeyFromCID(HeaderCID)
+	Trx1CID, _              = ipld.RawdataToCid(ipld.MEthTx, Tx1, multihash.KECCAK_256)
+	Trx1MhKey               = shared.MultihashKeyFromCID(Trx1CID)
+	Trx2CID, _              = ipld.RawdataToCid(ipld.MEthTx, Tx2, multihash.KECCAK_256)
+	Trx2MhKey               = shared.MultihashKeyFromCID(Trx2CID)
+	Trx3CID, _              = ipld.RawdataToCid(ipld.MEthTx, Tx3, multihash.KECCAK_256)
+	Trx3MhKey               = shared.MultihashKeyFromCID(Trx3CID)
+	Trx4CID, _              = ipld.RawdataToCid(ipld.MEthTx, Tx4, multihash.KECCAK_256)
+	Trx4MhKey               = shared.MultihashKeyFromCID(Trx4CID)
+	Rct1CID                 = rctCIDs[0]
+	Rct1MhKey               = shared.MultihashKeyFromCID(Rct1CID)
+	Rct2CID                 = rctCIDs[1]
+	Rct2MhKey               = shared.MultihashKeyFromCID(Rct2CID)
+	Rct3CID                 = rctCIDs[2]
+	Rct3MhKey               = shared.MultihashKeyFromCID(Rct3CID)
+	Rct4CID                 = rctCIDs[3]
+	Rct4MhKey               = shared.MultihashKeyFromCID(Rct4CID)
+	State1CID, _            = ipld.RawdataToCid(ipld.MEthStateTrie, ContractLeafNode, multihash.KECCAK_256)
+	State1MhKey             = shared.MultihashKeyFromCID(State1CID)
+	State2CID, _            = ipld.RawdataToCid(ipld.MEthStateTrie, AccountLeafNode, multihash.KECCAK_256)
+	State2MhKey             = shared.MultihashKeyFromCID(State2CID)
+	StorageCID, _           = ipld.RawdataToCid(ipld.MEthStorageTrie, StorageLeafNode, multihash.KECCAK_256)
+	StorageMhKey            = shared.MultihashKeyFromCID(StorageCID)
+	Rct1IPLD                = rctIPLDData[0]
+	Rct2IPLD                = rctIPLDData[1]
+	Rct3IPLD                = rctIPLDData[2]
+	Rct4IPLD                = rctIPLDData[3]
+	MockTrxMeta             = []models.TxModel{
 		{
 			CID:    "", // This is empty until we go to publish to ipfs
 			MhKey:  "",
@@ -161,8 +223,17 @@ var (
 			TxHash: MockTransactions[2].Hash().String(),
 			Data:   MockContractByteCode,
 		},
+		{
+			CID:    "",
+			MhKey:  "",
+			Src:    SenderAddr.Hex(),
+			Dst:    "",
+			Index:  3,
+			TxHash: MockTransactions[3].Hash().String(),
+			Data:   []byte{},
+		},
 	}
-	MockTrxMetaPostPublsh = []eth.TxModel{
+	MockTrxMetaPostPublsh = []models.TxModel{
 		{
 			CID:    Trx1CID.String(), // This is empty until we go to publish to ipfs
 			MhKey:  Trx1MhKey,
@@ -190,83 +261,67 @@ var (
 			TxHash: MockTransactions[2].Hash().String(),
 			Data:   MockContractByteCode,
 		},
-	}
-	MockRctMeta = []eth.ReceiptModel{
 		{
-			CID:   "",
-			MhKey: "",
-			Topic0s: []string{
-				mockTopic11.String(),
-			},
-			Topic1s: []string{
-				mockTopic12.String(),
-			},
-			Contract:     "",
-			ContractHash: "",
-			LogContracts: []string{
-				Address.String(),
-			},
-		},
-		{
-			CID:   "",
-			MhKey: "",
-			Topic0s: []string{
-				mockTopic21.String(),
-			},
-			Topic1s: []string{
-				mockTopic22.String(),
-			},
-			Contract:     "",
-			ContractHash: "",
-			LogContracts: []string{
-				AnotherAddress.String(),
-			},
-		},
-		{
-			CID:          "",
-			MhKey:        "",
-			Contract:     ContractAddress.String(),
-			ContractHash: ContractHash,
-			LogContracts: []string{},
+			CID:    Trx4CID.String(),
+			MhKey:  Trx4MhKey,
+			Src:    SenderAddr.Hex(),
+			Dst:    AnotherAddress1.String(),
+			Index:  3,
+			TxHash: MockTransactions[3].Hash().String(),
+			Data:   []byte{},
 		},
 	}
-	MockRctMetaPostPublish = []eth.ReceiptModel{
+	MockRctMeta = []models.ReceiptModel{
 		{
-			CID:   Rct1CID.String(),
-			MhKey: Rct1MhKey,
-			Topic0s: []string{
-				mockTopic11.String(),
-			},
-			Topic1s: []string{
-				mockTopic12.String(),
-			},
+			LeafCID:      "",
+			LeafMhKey:    "",
 			Contract:     "",
 			ContractHash: "",
-			LogContracts: []string{
-				Address.String(),
-			},
 		},
 		{
-			CID:   Rct2CID.String(),
-			MhKey: Rct2MhKey,
-			Topic0s: []string{
-				mockTopic21.String(),
-			},
-			Topic1s: []string{
-				mockTopic22.String(),
-			},
+			LeafCID:      "",
+			LeafMhKey:    "",
 			Contract:     "",
 			ContractHash: "",
-			LogContracts: []string{
-				AnotherAddress.String(),
-			},
 		},
 		{
-			CID:          Rct3CID.String(),
-			MhKey:        Rct3MhKey,
+			LeafCID:      "",
+			LeafMhKey:    "",
 			Contract:     ContractAddress.String(),
 			ContractHash: ContractHash,
-			LogContracts: []string{},
+		},
+		{
+			LeafCID:      "",
+			LeafMhKey:    "",
+			Contract:     "",
+			ContractHash: "",
+		},
+	}
+
+	MockRctMetaPostPublish = []models.ReceiptModel{
+		{
+			LeafCID:      Rct1CID.String(),
+			LeafMhKey:    Rct1MhKey,
+			Contract:     "",
+			ContractHash: "",
+		},
+		{
+			LeafCID:      Rct2CID.String(),
+			LeafMhKey:    Rct2MhKey,
+			Contract:     "",
+			ContractHash: "",
+		},
+		{
+			LeafCID:      Rct3CID.String(),
+			LeafMhKey:    Rct3MhKey,
+			Contract:     ContractAddress.String(),
+			ContractHash: ContractHash,
+		},
+		{
+			LeafCID:      Rct4CID.String(),
+			LeafMhKey:    Rct4MhKey,
+			Contract:     "",
+			ContractHash: "",
 		},
 	}
 
@@ -285,7 +340,7 @@ var (
 	ContractCodeHash   = crypto.Keccak256Hash(MockContractByteCode)
 	contractPath       = common.Bytes2Hex([]byte{'\x06'})
 	ContractLeafKey    = testhelpers.AddressToLeafKey(ContractAddress)
-	ContractAccount, _ = rlp.EncodeToBytes(state.Account{
+	ContractAccount, _ = rlp.EncodeToBytes(types.StateAccount{
 		Nonce:    nonce1,
 		Balance:  big.NewInt(0),
 		CodeHash: ContractCodeHash.Bytes(),
@@ -303,7 +358,7 @@ var (
 	AccountCodeHash = common.HexToHash("0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470")
 	AccountAddresss = common.HexToAddress("0x0D3ab14BBaD3D99F4203bd7a11aCB94882050E7e")
 	AccountLeafKey  = testhelpers.Account2LeafKey
-	Account, _      = rlp.EncodeToBytes(state.Account{
+	Account, _      = rlp.EncodeToBytes(types.StateAccount{
 		Nonce:    nonce0,
 		Balance:  AccountBalance,
 		CodeHash: AccountCodeHash.Bytes(),
@@ -315,21 +370,30 @@ var (
 		Account,
 	})
 
-	MockStateNodes = []eth.TrieNode{
+	MockStateNodes = []sdtypes.StateNode{
 		{
-			LeafKey: common.BytesToHash(ContractLeafKey),
-			Path:    []byte{'\x06'},
-			Value:   ContractLeafNode,
-			Type:    sdtypes.Leaf,
+			LeafKey:   ContractLeafKey,
+			Path:      []byte{'\x06'},
+			NodeValue: ContractLeafNode,
+			NodeType:  sdtypes.Leaf,
+			StorageNodes: []sdtypes.StorageNode{
+				{
+					Path:      []byte{},
+					NodeType:  sdtypes.Leaf,
+					LeafKey:   StorageLeafKey,
+					NodeValue: StorageLeafNode,
+				},
+			},
 		},
 		{
-			LeafKey: common.BytesToHash(AccountLeafKey),
-			Path:    []byte{'\x0c'},
-			Value:   AccountLeafNode,
-			Type:    sdtypes.Leaf,
+			LeafKey:      AccountLeafKey,
+			Path:         []byte{'\x0c'},
+			NodeValue:    AccountLeafNode,
+			NodeType:     sdtypes.Leaf,
+			StorageNodes: []sdtypes.StorageNode{},
 		},
 	}
-	MockStateMetaPostPublish = []eth.StateNodeModel{
+	MockStateMetaPostPublish = []models.StateNodeModel{
 		{
 			CID:      State1CID.String(),
 			MhKey:    State1MhKey,
@@ -345,13 +409,13 @@ var (
 			StateKey: common.BytesToHash(AccountLeafKey).Hex(),
 		},
 	}
-	MockStorageNodes = map[string][]eth.TrieNode{
+	MockStorageNodes = map[string][]sdtypes.StorageNode{
 		contractPath: {
 			{
-				LeafKey: common.BytesToHash(StorageLeafKey),
-				Value:   StorageLeafNode,
-				Type:    sdtypes.Leaf,
-				Path:    []byte{},
+				LeafKey:   StorageLeafKey,
+				NodeValue: StorageLeafNode,
+				NodeType:  sdtypes.Leaf,
+				Path:      []byte{},
 			},
 		},
 	}
@@ -375,16 +439,18 @@ var (
 		StateNodes:      MockStateNodes,
 	}
 
-	MockCIDWrapper = &eth2.CIDWrapper{
+	Reward = indexer.CalcEthBlockReward(MockBlock.Header(), MockBlock.Uncles(), MockBlock.Transactions(), MockReceipts)
+
+	MockCIDWrapper = &eth.CIDWrapper{
 		BlockNumber: new(big.Int).Set(BlockNumber),
-		Header: eth.HeaderModel{
+		Header: models.HeaderModel{
 			BlockNumber:     "1",
 			BlockHash:       MockBlock.Hash().String(),
 			ParentHash:      "0x0000000000000000000000000000000000000000000000000000000000000000",
 			CID:             HeaderCID.String(),
 			MhKey:           HeaderMhKey,
 			TotalDifficulty: MockBlock.Difficulty().String(),
-			Reward:          "5312500000000000000",
+			Reward:          Reward.String(),
 			StateRoot:       MockBlock.Root().String(),
 			RctRoot:         MockBlock.ReceiptHash().String(),
 			TxRoot:          MockBlock.TxHash().String(),
@@ -395,9 +461,9 @@ var (
 		},
 		Transactions: MockTrxMetaPostPublsh,
 		Receipts:     MockRctMetaPostPublish,
-		Uncles:       []eth.UncleModel{},
+		Uncles:       []models.UncleModel{},
 		StateNodes:   MockStateMetaPostPublish,
-		StorageNodes: []eth.StorageNodeWithStateKeyModel{
+		StorageNodes: []models.StorageNodeWithStateKeyModel{
 			{
 				Path:       []byte{},
 				CID:        StorageCID.String(),
@@ -410,17 +476,15 @@ var (
 	}
 
 	HeaderIPLD, _  = blocks.NewBlockWithCid(MockHeaderRlp, HeaderCID)
-	Trx1IPLD, _    = blocks.NewBlockWithCid(MockTransactions.GetRlp(0), Trx1CID)
-	Trx2IPLD, _    = blocks.NewBlockWithCid(MockTransactions.GetRlp(1), Trx2CID)
-	Trx3IPLD, _    = blocks.NewBlockWithCid(MockTransactions.GetRlp(2), Trx3CID)
-	Rct1IPLD, _    = blocks.NewBlockWithCid(MockReceipts.GetRlp(0), Rct1CID)
-	Rct2IPLD, _    = blocks.NewBlockWithCid(MockReceipts.GetRlp(1), Rct2CID)
-	Rct3IPLD, _    = blocks.NewBlockWithCid(MockReceipts.GetRlp(2), Rct3CID)
+	Trx1IPLD, _    = blocks.NewBlockWithCid(Tx1, Trx1CID)
+	Trx2IPLD, _    = blocks.NewBlockWithCid(Tx2, Trx2CID)
+	Trx3IPLD, _    = blocks.NewBlockWithCid(Tx3, Trx3CID)
+	Trx4IPLD, _    = blocks.NewBlockWithCid(Tx4, Trx4CID)
 	State1IPLD, _  = blocks.NewBlockWithCid(ContractLeafNode, State1CID)
 	State2IPLD, _  = blocks.NewBlockWithCid(AccountLeafNode, State2CID)
 	StorageIPLD, _ = blocks.NewBlockWithCid(StorageLeafNode, StorageCID)
 
-	MockIPLDs = eth2.IPLDs{
+	MockIPLDs = eth.IPLDs{
 		BlockNumber: new(big.Int).Set(BlockNumber),
 		Header: ipfs.BlockModel{
 			Data: HeaderIPLD.RawData(),
@@ -439,22 +503,30 @@ var (
 				Data: Trx3IPLD.RawData(),
 				CID:  Trx3IPLD.Cid().String(),
 			},
+			{
+				Data: Trx4IPLD.RawData(),
+				CID:  Trx4IPLD.Cid().String(),
+			},
 		},
 		Receipts: []ipfs.BlockModel{
 			{
-				Data: Rct1IPLD.RawData(),
-				CID:  Rct1IPLD.Cid().String(),
+				Data: Rct1IPLD,
+				CID:  Rct1CID.String(),
 			},
 			{
-				Data: Rct2IPLD.RawData(),
-				CID:  Rct2IPLD.Cid().String(),
+				Data: Rct2IPLD,
+				CID:  Rct2CID.String(),
 			},
 			{
-				Data: Rct3IPLD.RawData(),
-				CID:  Rct3IPLD.Cid().String(),
+				Data: Rct3IPLD,
+				CID:  Rct3CID.String(),
+			},
+			{
+				Data: Rct4IPLD,
+				CID:  Rct4CID.String(),
 			},
 		},
-		StateNodes: []eth2.StateNode{
+		StateNodes: []eth.StateNode{
 			{
 				StateLeafKey: common.BytesToHash(ContractLeafKey),
 				Type:         sdtypes.Leaf,
@@ -474,7 +546,7 @@ var (
 				Path: []byte{'\x0c'},
 			},
 		},
-		StorageNodes: []eth2.StorageNode{
+		StorageNodes: []eth.StorageNode{
 			{
 				StateLeafKey:   common.BytesToHash(ContractLeafKey),
 				StorageLeafKey: common.BytesToHash(StorageLeafKey),
@@ -487,14 +559,86 @@ var (
 			},
 		},
 	}
+
+	LondonBlockNum   = new(big.Int).Add(BlockNumber, big.NewInt(2))
+	MockLondonHeader = types.Header{
+		Time:       0,
+		Number:     LondonBlockNum,
+		Root:       common.HexToHash("0x00"),
+		Difficulty: big.NewInt(5000000),
+		Extra:      []byte{},
+		BaseFee:    big.NewInt(params.InitialBaseFee),
+	}
+
+	MockLondonTransactions, MockLondonReceipts, _ = createDynamicTransactionsAndReceipts(LondonBlockNum)
+	MockLondonBlock                               = createNewBlock(&MockLondonHeader, MockLondonTransactions, nil, MockLondonReceipts, new(trie.Trie))
 )
 
-// createTransactionsAndReceipts is a helper function to generate signed mock transactions and mock receipts with mock logs
-func createTransactionsAndReceipts() (types.Transactions, types.Receipts, common.Address) {
+func createNewBlock(header *types.Header, txs []*types.Transaction, uncles []*types.Header, receipts []*types.Receipt, hasher types.TrieHasher) *types.Block {
+	block := types.NewBlock(header, txs, uncles, receipts, hasher)
+	bHash := block.Hash()
+	for _, r := range receipts {
+		for _, l := range r.Logs {
+			l.BlockHash = bHash
+		}
+	}
+	return block
+}
+
+// createDynamicTransactionsAndReceipts is a helper function to generate signed mock transactions and mock receipts with mock logs
+func createDynamicTransactionsAndReceipts(blockNumber *big.Int) (types.Transactions, types.Receipts, common.Address) {
+	// make transactions
+	config := params.TestChainConfig
+	config.LondonBlock = blockNumber
+	trx1 := types.NewTx(&types.DynamicFeeTx{
+		ChainID:   config.ChainID,
+		Nonce:     1,
+		GasTipCap: big.NewInt(50),
+		GasFeeCap: big.NewInt(100),
+		Gas:       50,
+		To:        &Address,
+		Value:     big.NewInt(1000),
+		Data:      []byte{},
+	})
+
+	transactionSigner := types.MakeSigner(config, blockNumber)
+	mockCurve := elliptic.P256()
+	mockPrvKey, err := ecdsa.GenerateKey(mockCurve, rand.Reader)
+	if err != nil {
+		log.Fatal(err.Error())
+	}
+	signedTrx1, err := types.SignTx(trx1, transactionSigner, mockPrvKey)
+	if err != nil {
+		log.Fatal(err.Error())
+	}
+
+	senderAddr, err := types.Sender(transactionSigner, signedTrx1) // same for both trx
+	if err != nil {
+		log.Fatal(err.Error())
+	}
+
+	// make receipts
+	// TODO: Change the receipt type to DynamicFeeTxType once this PR is merged.
+	// https://github.com/ethereum/go-ethereum/pull/22806
+	mockReceipt1 := &types.Receipt{
+		Type:              types.DynamicFeeTxType,
+		PostState:         common.HexToHash("0x0").Bytes(),
+		Status:            types.ReceiptStatusSuccessful,
+		CumulativeGasUsed: 50,
+		Logs:              []*types.Log{},
+		TxHash:            signedTrx1.Hash(),
+	}
+
+	return types.Transactions{signedTrx1}, types.Receipts{mockReceipt1}, senderAddr
+}
+
+// createLegacyTransactionsAndReceipts is a helper function to generate signed mock transactions and mock receipts with mock logs
+func createLegacyTransactionsAndReceipts() (types.Transactions, types.Receipts, common.Address) {
 	// make transactions
 	trx1 := types.NewTransaction(0, Address, big.NewInt(1000), 50, big.NewInt(100), []byte{})
 	trx2 := types.NewTransaction(1, AnotherAddress, big.NewInt(2000), 100, big.NewInt(200), []byte{})
 	trx3 := types.NewContractCreation(2, big.NewInt(1500), 75, big.NewInt(150), MockContractByteCode)
+	trx4 := types.NewTransaction(3, AnotherAddress1, big.NewInt(2000), 100, big.NewInt(200), []byte{})
 	transactionSigner := types.MakeSigner(params.MainnetChainConfig, new(big.Int).Set(BlockNumber))
 	mockCurve := elliptic.P256()
 	mockPrvKey, err := ecdsa.GenerateKey(mockCurve, rand.Reader)
@@ -513,19 +657,60 @@ func createTransactionsAndReceipts() (types.Transactions, types.Receipts, common
 	if err != nil {
 		log.Fatal(err)
 	}
+	signedTrx4, err := types.SignTx(trx4, transactionSigner, mockPrvKey)
+	if err != nil {
+		log.Fatal(err)
+	}
 	SenderAddr, err := types.Sender(transactionSigner, signedTrx1) // same for both trx
 	if err != nil {
 		log.Fatal(err)
 	}
 	// make receipts
-	mockReceipt1 := types.NewReceipt(common.HexToHash("0x0").Bytes(), false, 50)
+	mockReceipt1 := types.NewReceipt(nil, false, 50)
+
+	hash1 := signedTrx1.Hash()
+	MockLog1.TxHash = hash1
+
 	mockReceipt1.Logs = []*types.Log{MockLog1}
-	mockReceipt1.TxHash = signedTrx1.Hash()
+	mockReceipt1.TxHash = hash1
+	mockReceipt1.GasUsed = mockReceipt1.CumulativeGasUsed
+
 	mockReceipt2 := types.NewReceipt(common.HexToHash("0x1").Bytes(), false, 100)
+	hash2 := signedTrx2.Hash()
+	MockLog2.TxHash = hash2
+
 	mockReceipt2.Logs = []*types.Log{MockLog2}
-	mockReceipt2.TxHash = signedTrx2.Hash()
-	mockReceipt3 := types.NewReceipt(common.HexToHash("0x2").Bytes(), false, 75)
-	mockReceipt3.Logs = []*types.Log{}
+	mockReceipt2.TxHash = hash2
+	mockReceipt2.GasUsed = mockReceipt2.CumulativeGasUsed - mockReceipt1.CumulativeGasUsed
+
+	mockReceipt3 := types.NewReceipt(common.HexToHash("0x2").Bytes(), false, 175)
+	mockReceipt3.Logs = []*types.Log{MockLog3, MockLog4, MockLog5}
 	mockReceipt3.TxHash = signedTrx3.Hash()
-	return types.Transactions{signedTrx1, signedTrx2, signedTrx3}, types.Receipts{mockReceipt1, mockReceipt2, mockReceipt3}, SenderAddr
+	mockReceipt3.GasUsed = mockReceipt3.CumulativeGasUsed - mockReceipt2.CumulativeGasUsed
+
+	// Receipt with failed status.
+	mockReceipt4 := types.NewReceipt(nil, true, 250)
+	mockReceipt4.Logs = []*types.Log{MockLog6}
+	mockReceipt4.TxHash = signedTrx4.Hash()
+	mockReceipt4.GasUsed = mockReceipt4.CumulativeGasUsed - mockReceipt3.CumulativeGasUsed
+
+	return types.Transactions{signedTrx1, signedTrx2, signedTrx3, signedTrx4}, types.Receipts{mockReceipt1, mockReceipt2, mockReceipt3, mockReceipt4}, SenderAddr
+}
+
+func GetTxnRlp(num int, txs types.Transactions) []byte {
+	buf := new(bytes.Buffer)
+	txs.EncodeIndex(num, buf)
+	tx := make([]byte, buf.Len())
+	copy(tx, buf.Bytes())
+	buf.Reset()
+	return tx
+}
+
+func GetRctRlp(num int, rcts types.Receipts) []byte {
+	buf := new(bytes.Buffer)
+	rcts.EncodeIndex(num, buf)
+	rct := make([]byte, buf.Len())
+	copy(rct, buf.Bytes())
+	buf.Reset()
+	return rct
 }

pkg/eth/types.go

@@ -17,32 +17,40 @@
 package eth
 
 import (
+	"errors"
 	"math/big"
 
 	"github.com/ethereum/go-ethereum/common"
 	"github.com/ethereum/go-ethereum/common/hexutil"
+	"github.com/ethereum/go-ethereum/common/math"
 	"github.com/ethereum/go-ethereum/core/types"
+	"github.com/ethereum/go-ethereum/statediff/indexer/ipfs"
+	"github.com/ethereum/go-ethereum/statediff/indexer/models"
 	sdtypes "github.com/ethereum/go-ethereum/statediff/types"
-	"github.com/vulcanize/ipld-eth-indexer/pkg/eth"
-	"github.com/vulcanize/ipld-eth-indexer/pkg/ipfs"
+	"github.com/sirupsen/logrus"
 )
 
 // RPCTransaction represents a transaction that will serialize to the RPC representation of a transaction
 type RPCTransaction struct {
-	BlockHash        *common.Hash    `json:"blockHash"`
-	BlockNumber      *hexutil.Big    `json:"blockNumber"`
-	From             common.Address  `json:"from"`
-	Gas              hexutil.Uint64  `json:"gas"`
-	GasPrice         *hexutil.Big    `json:"gasPrice"`
-	Hash             common.Hash     `json:"hash"`
-	Input            hexutil.Bytes   `json:"input"`
-	Nonce            hexutil.Uint64  `json:"nonce"`
-	To               *common.Address `json:"to"`
-	TransactionIndex *hexutil.Uint64 `json:"transactionIndex"`
-	Value            *hexutil.Big    `json:"value"`
-	V                *hexutil.Big    `json:"v"`
-	R                *hexutil.Big    `json:"r"`
-	S                *hexutil.Big    `json:"s"`
+	BlockHash        *common.Hash      `json:"blockHash"`
+	BlockNumber      *hexutil.Big      `json:"blockNumber"`
+	From             common.Address    `json:"from"`
+	Gas              hexutil.Uint64    `json:"gas"`
+	GasPrice         *hexutil.Big      `json:"gasPrice"`
+	GasFeeCap        *hexutil.Big      `json:"maxFeePerGas,omitempty"`
+	GasTipCap        *hexutil.Big      `json:"maxPriorityFeePerGas,omitempty"`
+	Hash             common.Hash       `json:"hash"`
+	Input            hexutil.Bytes     `json:"input"`
+	Nonce            hexutil.Uint64    `json:"nonce"`
+	To               *common.Address   `json:"to"`
+	TransactionIndex *hexutil.Uint64   `json:"transactionIndex"`
+	Value            *hexutil.Big      `json:"value"`
+	Type             hexutil.Uint64    `json:"type"`
+	Accesses         *types.AccessList `json:"accessList,omitempty"`
+	ChainID          *hexutil.Big      `json:"chainId,omitempty"`
+	V                *hexutil.Big      `json:"v"`
+	R                *hexutil.Big      `json:"r"`
+	S                *hexutil.Big      `json:"s"`
 }
 
 // RPCReceipt represents a receipt that will serialize to the RPC representation of a receipt
@@ -82,26 +90,106 @@ type StorageResult struct {
 
 // CallArgs represents the arguments for a call.
 type CallArgs struct {
-	From     *common.Address `json:"from"`
-	To       *common.Address `json:"to"`
-	Gas      *hexutil.Uint64 `json:"gas"`
-	GasPrice *hexutil.Big    `json:"gasPrice"`
-	Value    *hexutil.Big    `json:"value"`
-	Data     *hexutil.Bytes  `json:"data"`
+	From                 *common.Address   `json:"from"`
+	To                   *common.Address   `json:"to"`
+	Gas                  *hexutil.Uint64   `json:"gas"`
+	GasPrice             *hexutil.Big      `json:"gasPrice"`
+	MaxFeePerGas         *hexutil.Big      `json:"maxFeePerGas"`
+	MaxPriorityFeePerGas *hexutil.Big      `json:"maxPriorityFeePerGas"`
+	Value                *hexutil.Big      `json:"value"`
+	Data                 *hexutil.Bytes    `json:"data"`
+	AccessList           *types.AccessList `json:"accessList,omitempty"`
+	Input                *hexutil.Bytes    `json:"input"`
 }
 
-// account indicates the overriding fields of account during the execution of
-// a message call.
-// Note, state and stateDiff can't be specified at the same time. If state is
-// set, message execution will only use the data in the given state. Otherwise
-// if statDiff is set, all diff will be applied first and then execute the call
-// message.
-type account struct {
-	Nonce     *hexutil.Uint64              `json:"nonce"`
-	Code      *hexutil.Bytes               `json:"code"`
-	Balance   **hexutil.Big                `json:"balance"`
-	State     *map[common.Hash]common.Hash `json:"state"`
-	StateDiff *map[common.Hash]common.Hash `json:"stateDiff"`
+// from retrieves the transaction sender address.
+func (arg *CallArgs) from() common.Address {
+	if arg.From == nil {
+		return common.Address{}
+	}
+	return *arg.From
+}
+
+// data retrieves the transaction calldata. Input field is preferred.
+func (arg *CallArgs) data() []byte {
+	if arg.Input != nil {
+		return *arg.Input
+	}
+	if arg.Data != nil {
+		return *arg.Data
+	}
+	return nil
+}
+
+// ToMessage converts the transaction arguments to the Message type used by the
+// core evm. This method is used in calls and traces that do not require a real
+// live transaction.
+func (arg *CallArgs) ToMessage(globalGasCap uint64, baseFee *big.Int) (types.Message, error) {
+	// Reject invalid combinations of pre- and post-1559 fee styles
+	if arg.GasPrice != nil && (arg.MaxFeePerGas != nil || arg.MaxPriorityFeePerGas != nil) {
+		return types.Message{}, errors.New("both gasPrice and (maxFeePerGas or maxPriorityFeePerGas) specified")
+	}
+	// Set sender address or use zero address if none specified.
+	addr := arg.from()
+
+	// Set default gas & gas price if none were set
+	gas := globalGasCap
+	if gas == 0 {
+		gas = uint64(math.MaxUint64 / 2)
+	}
+	if arg.Gas != nil {
+		gas = uint64(*arg.Gas)
+	}
+	if globalGasCap != 0 && globalGasCap < gas {
+		logrus.Warn("Caller gas above allowance, capping", "requested", gas, "cap", globalGasCap)
+		gas = globalGasCap
+	}
+	var (
+		gasPrice  *big.Int
+		gasFeeCap *big.Int
+		gasTipCap *big.Int
+	)
+	if baseFee == nil {
+		// If there's no basefee, then it must be a non-1559 execution
+		gasPrice = new(big.Int)
+		if arg.GasPrice != nil {
+			gasPrice = arg.GasPrice.ToInt()
+		}
+		gasFeeCap, gasTipCap = gasPrice, gasPrice
+	} else {
+		// A basefee is provided, necessitating 1559-type execution
+		if arg.GasPrice != nil {
+			// User specified the legacy gas field, convert to 1559 gas typing
+			gasPrice = arg.GasPrice.ToInt()
+			gasFeeCap, gasTipCap = gasPrice, gasPrice
+		} else {
+			// User specified 1559 gas feilds (or none), use those
+			gasFeeCap = new(big.Int)
+			if arg.MaxFeePerGas != nil {
+				gasFeeCap = arg.MaxFeePerGas.ToInt()
+			}
+			gasTipCap = new(big.Int)
+			if arg.MaxPriorityFeePerGas != nil {
+				gasTipCap = arg.MaxPriorityFeePerGas.ToInt()
+			}
+			// Backfill the legacy gasPrice for EVM execution, unless we're all zeroes
+			gasPrice = new(big.Int)
+			if gasFeeCap.BitLen() > 0 || gasTipCap.BitLen() > 0 {
+				gasPrice = math.BigMin(new(big.Int).Add(gasTipCap, baseFee), gasFeeCap)
+			}
+		}
+	}
+	value := new(big.Int)
+	if arg.Value != nil {
+		value = arg.Value.ToInt()
+	}
+	data := arg.data()
+	var accessList types.AccessList
+	if arg.AccessList != nil {
+		accessList = *arg.AccessList
+	}
+	msg := types.NewMessage(addr, arg.To, 0, value, gas, gasPrice, gasFeeCap, gasTipCap, data, accessList, true)
+	return msg, nil
 }
 
 // IPLDs is used to package raw IPLD block data fetched from IPFS and returned by the server
@@ -137,10 +225,43 @@ type StorageNode struct {
 // Passed to IPLDFetcher
 type CIDWrapper struct {
 	BlockNumber  *big.Int
-	Header       eth.HeaderModel
-	Uncles       []eth.UncleModel
-	Transactions []eth.TxModel
-	Receipts     []eth.ReceiptModel
-	StateNodes   []eth.StateNodeModel
-	StorageNodes []eth.StorageNodeWithStateKeyModel
+	Header       models.HeaderModel
+	Uncles       []models.UncleModel
+	Transactions []models.TxModel
+	Receipts     []models.ReceiptModel
+	StateNodes   []models.StateNodeModel
+	StorageNodes []models.StorageNodeWithStateKeyModel
+}
+
+// ConvertedPayload is a custom type which packages raw ETH data for publishing to IPFS and filtering to subscribers
+// Returned by PayloadConverter
+// Passed to IPLDPublisher and ResponseFilterer
+type ConvertedPayload struct {
+	TotalDifficulty *big.Int
+	Block           *types.Block
+	TxMetaData      []models.TxModel
+	Receipts        types.Receipts
+	ReceiptMetaData []models.ReceiptModel
+	StateNodes      []sdtypes.StateNode
+	StorageNodes    map[string][]sdtypes.StorageNode
+}
+
+// LogResult represent a log.
+type LogResult struct {
+	LeafCID     string `db:"leaf_cid"`
+	ReceiptID   int64  `db:"receipt_id"`
+	Address     string `db:"address"`
+	Index       int64  `db:"index"`
+	Data        []byte `db:"log_data"`
+	Topic0      string `db:"topic0"`
+	Topic1      string `db:"topic1"`
+	Topic2      string `db:"topic2"`
+	Topic3      string `db:"topic3"`
+	LogLeafData []byte `db:"data"`
+	RctCID      string `db:"cid"`
+	RctStatus   uint64 `db:"post_status"`
+	BlockNumber string `db:"block_number"`
+	BlockHash   string `db:"block_hash"`
+	TxnIndex    int64  `db:"txn_index"`
+	TxHash      string `db:"tx_hash"`
 }

pkg/graphql/client.go

@@ -0,0 +1,119 @@
+package graphql
+
+import (
+	"context"
+	"encoding/json"
+	"fmt"
+
+	"github.com/ethereum/go-ethereum/common"
+	"github.com/ethereum/go-ethereum/common/hexutil"
+	gqlclient "github.com/machinebox/graphql"
+)
+
+type StorageResponse struct {
+	Cid       string        `json:"cid"`
+	Value     common.Hash   `json:"value"`
+	IpldBlock hexutil.Bytes `json:"ipldBlock"`
+}
+
+type GetStorageAt struct {
+	Response StorageResponse `json:"getStorageAt"`
+}
+
+type LogResponse struct {
+	Topics      []common.Hash   `json:"topics"`
+	Data        hexutil.Bytes   `json:"data"`
+	Transaction TransactionResp `json:"transaction"`
+	ReceiptCID  string          `json:"receiptCID"`
+	Status      int32           `json:"status"`
+}
+
+type TransactionResp struct {
+	Hash common.Hash `json:"hash"`
+}
+
+type GetLogs struct {
+	Responses []LogResponse `json:"getLogs"`
+}
+
+type Client struct {
+	client *gqlclient.Client
+}
+
+func NewClient(endpoint string) *Client {
+	client := gqlclient.NewClient(endpoint)
+	return &Client{client: client}
+}
+
+func (c *Client) GetLogs(ctx context.Context, hash common.Hash, address *common.Address) ([]LogResponse, error) {
+	params := fmt.Sprintf(`blockHash: "%s"`, hash.String())
+	if address != nil {
+		params += fmt.Sprintf(`, contract: "%s"`, address.String())
+	}
+
+	getLogsQuery := fmt.Sprintf(`query{
+			getLogs(%s) {
+				data
+				topics
+				transaction {
+					hash
+				}
+				status
+				receiptCID
+			}
+		}`, params)
+
+	req := gqlclient.NewRequest(getLogsQuery)
+	req.Header.Set("Cache-Control", "no-cache")
+
+	var respData map[string]interface{}
+	err := c.client.Run(ctx, req, &respData)
+	if err != nil {
+		return nil, err
+	}
+
+	jsonStr, err := json.Marshal(respData)
+	if err != nil {
+		return nil, err
+	}
+
+	var logs GetLogs
+	err = json.Unmarshal(jsonStr, &logs)
+	if err != nil {
+		return nil, err
+	}
+	return logs.Responses, nil
+}
+
+func (c *Client) GetStorageAt(ctx context.Context, hash common.Hash, address common.Address, slot string) (*StorageResponse, error) {
+	getLogsQuery := fmt.Sprintf(`
+		query{
+			getStorageAt(blockHash: "%s", contract: "%s",slot: "%s") {
+				cid
+				value
+				ipldBlock
+			}
+		}
+	`, hash.String(), address.String(), common.HexToHash(slot))
+
+	req := gqlclient.NewRequest(getLogsQuery)
+	req.Header.Set("Cache-Control", "no-cache")
+
+	var respData map[string]interface{}
+	err := c.client.Run(ctx, req, &respData)
+	if err != nil {
+		return nil, err
+	}
+
+	jsonStr, err := json.Marshal(respData)
+	if err != nil {
+		return nil, err
+	}
+
+	var storageAt GetStorageAt
+	err = json.Unmarshal(jsonStr, &storageAt)
+	if err != nil {
+		return nil, err
+	}
+	return &storageAt.Response, nil
+}

pkg/graphql/graphql.go

@@ -18,7 +18,9 @@
 package graphql
 
 import (
+	"bytes"
 	"context"
+	"database/sql"
 	"errors"
 	"time"
 
@@ -28,6 +30,7 @@ import (
 	"github.com/ethereum/go-ethereum/core/state"
 	"github.com/ethereum/go-ethereum/core/types"
 	"github.com/ethereum/go-ethereum/eth/filters"
+	"github.com/ethereum/go-ethereum/rlp"
 	"github.com/ethereum/go-ethereum/rpc"
 
 	"github.com/vulcanize/ipld-eth-server/pkg/eth"
@@ -91,13 +94,19 @@ type Log struct {
 	backend     *eth.Backend
 	transaction *Transaction
 	log         *types.Log
+	cid         string
+	receiptCID  string
+	ipldBlock   []byte // log leaf node IPLD block data
+	status      uint64
 }
 
-func (l *Log) Transaction(ctx context.Context) *Transaction {
+// Transaction returns transaction that generated this log entry.
+func (l *Log) Transaction(_ context.Context) *Transaction {
 	return l.transaction
 }
 
-func (l *Log) Account(ctx context.Context, args BlockNumberArgs) *Account {
+// Account returns the contract account which generated this log.
+func (l *Log) Account(_ context.Context, args BlockNumberArgs) *Account {
 	return &Account{
 		backend:       l.backend,
 		address:       l.log.Address,
@@ -105,16 +114,39 @@ func (l *Log) Account(ctx context.Context, args BlockNumberArgs) *Account {
 	}
 }
 
-func (l *Log) Index(ctx context.Context) int32 {
+// Index returns the index of this log in the block
+func (l *Log) Index(_ context.Context) int32 {
 	return int32(l.log.Index)
 }
 
-func (l *Log) Topics(ctx context.Context) []common.Hash {
+// Topics returns the list of 0-4 indexed topics for the log.
+func (l *Log) Topics(_ context.Context) []common.Hash {
 	return l.log.Topics
 }
 
-func (l *Log) Data(ctx context.Context) hexutil.Bytes {
-	return hexutil.Bytes(l.log.Data)
+// Data returns data of this log.
+func (l *Log) Data(_ context.Context) hexutil.Bytes {
+	return l.log.Data
+}
+
+// Cid returns cid of the leaf node of this log.
+func (l *Log) Cid(_ context.Context) string {
+	return l.cid
+}
+
+// IpldBlock returns IPLD block of the leaf node of this log.
+func (l *Log) IpldBlock(_ context.Context) hexutil.Bytes {
+	return l.ipldBlock
+}
+
+// Status returns the status of the receipt IPLD block this Log exists in.
+func (l *Log) Status(_ context.Context) int32 {
+	return int32(l.status)
+}
+
+// ReceiptCID returns the receipt CID of the receipt IPLD block this Log exists in.
+func (l *Log) ReceiptCID(_ context.Context) string {
+	return l.receiptCID
 }
 
 // Transaction represents an Ethereum transaction.
@@ -803,16 +835,20 @@ func (b *Block) Call(ctx context.Context, args struct {
 			return nil, err
 		}
 	}
-	result, gas, failed, err := eth.DoCall(ctx, b.backend, args.Data, *b.numberOrHash, nil, 5*time.Second, b.backend.RPCGasCap())
+	result, err := eth.DoCall(ctx, b.backend, args.Data, *b.numberOrHash, nil, 5*time.Second, b.backend.RPCGasCap().Uint64())
+	if err != nil {
+		return nil, err
+	}
 	status := hexutil.Uint64(1)
-	if failed {
+	if result.Failed() {
 		status = 0
 	}
+
 	return &CallResult{
-		data:    hexutil.Bytes(result),
-		gasUsed: hexutil.Uint64(gas),
+		data:    result.ReturnData,
+		gasUsed: hexutil.Uint64(result.UsedGas),
 		status:  status,
-	}, err
+	}, nil
 }
 
 // Resolver is the top-level object in the GraphQL hierarchy.
@@ -867,7 +903,11 @@ func (r *Resolver) Blocks(ctx context.Context, args struct {
 	if args.To != nil {
 		to = rpc.BlockNumber(*args.To)
 	} else {
-		to = rpc.BlockNumber(r.backend.CurrentBlock().Number().Int64())
+		block, err := r.backend.CurrentBlock()
+		if err != nil {
+			return []*Block{}, nil
+		}
+		to = rpc.BlockNumber(block.Number().Int64())
 	}
 	if to < from {
 		return []*Block{}, nil
@@ -940,3 +980,145 @@ func (r *Resolver) Logs(ctx context.Context, args struct{ Filter FilterCriteria
 	filter := filters.NewRangeFilter(filters.Backend(r.backend), begin, end, addresses, topics)
 	return runFilter(ctx, r.backend, filter)
 }
+
+// StorageResult represents a storage slot value. All arguments are mandatory.
+type StorageResult struct {
+	value     []byte
+	cid       string
+	ipldBlock []byte
+}
+
+func (s *StorageResult) Value(ctx context.Context) common.Hash {
+	return common.BytesToHash(s.value)
+}
+
+func (s *StorageResult) Cid(ctx context.Context) string {
+	return s.cid
+}
+
+func (s *StorageResult) IpldBlock(ctx context.Context) hexutil.Bytes {
+	return hexutil.Bytes(s.ipldBlock)
+}
+
+func (r *Resolver) GetStorageAt(ctx context.Context, args struct {
+	BlockHash common.Hash
+	Contract  common.Address
+	Slot      common.Hash
+}) (*StorageResult, error) {
+	cid, ipldBlock, rlpValue, err := r.backend.IPLDRetriever.RetrieveStorageAtByAddressAndStorageSlotAndBlockHash(args.Contract, args.Slot, args.BlockHash)
+
+	if err != nil {
+		if err == sql.ErrNoRows {
+			ret := StorageResult{value: []byte{}, cid: "", ipldBlock: []byte{}}
+
+			return &ret, nil
+		}
+
+		return nil, err
+	}
+
+	if bytes.Compare(rlpValue, eth.EmptyNodeValue) == 0 {
+		return &StorageResult{value: eth.EmptyNodeValue, cid: cid, ipldBlock: ipldBlock}, nil
+	}
+
+	var value interface{}
+	err = rlp.DecodeBytes(rlpValue, &value)
+	if err != nil {
+		return nil, err
+	}
+
+	ret := StorageResult{value: value.([]byte), cid: cid, ipldBlock: ipldBlock}
+	return &ret, nil
+}
+
+func (r *Resolver) GetLogs(ctx context.Context, args struct {
+	BlockHash common.Hash
+	Contract  *common.Address
+}) (*[]*Log, error) {
+
+	var filter eth.ReceiptFilter
+	if args.Contract != nil {
+		filter.LogAddresses = []string{args.Contract.String()}
+	}
+
+	// Begin tx
+	tx, err := r.backend.DB.Beginx()
+	if err != nil {
+		return nil, err
+	}
+
+	filteredLogs, err := r.backend.Retriever.RetrieveFilteredGQLLogs(tx, filter, &args.BlockHash)
+	if err != nil {
+		return nil, err
+	}
+
+	if err = tx.Commit(); err != nil {
+		return nil, err
+	}
+
+	rctLog := decomposeGQLLogs(filteredLogs)
+	if err != nil {
+		return nil, err
+	}
+
+	ret := make([]*Log, 0, 10)
+	for _, l := range rctLog {
+		ret = append(ret, &Log{
+			backend:    r.backend,
+			log:        l.Log,
+			cid:        l.CID,
+			receiptCID: l.RctCID,
+			ipldBlock:  l.LogLeafData,
+			transaction: &Transaction{
+				hash: l.Log.TxHash,
+			},
+			status: l.RctStatus,
+		})
+	}
+
+	return &ret, nil
+}
+
+type logsCID struct {
+	Log         *types.Log
+	CID         string
+	RctCID      string
+	LogLeafData []byte
+	RctStatus   uint64
+}
+
+// decomposeGQLLogs return logs for graphql.
+func decomposeGQLLogs(logCIDs []eth.LogResult) []logsCID {
+	logs := make([]logsCID, len(logCIDs))
+	for i, l := range logCIDs {
+		topics := make([]common.Hash, 0)
+		if l.Topic0 != "" {
+			topics = append(topics, common.HexToHash(l.Topic0))
+		}
+		if l.Topic1 != "" {
+			topics = append(topics, common.HexToHash(l.Topic1))
+		}
+		if l.Topic2 != "" {
+			topics = append(topics, common.HexToHash(l.Topic2))
+		}
+		if l.Topic3 != "" {
+			topics = append(topics, common.HexToHash(l.Topic3))
+		}
+
+		logs[i] = logsCID{
+			Log: &types.Log{
+				Address: common.HexToAddress(l.Address),
+				Topics:  topics,
+				Data:    l.Data,
+				Index:   uint(l.Index),
+				TxHash:  common.HexToHash(l.TxHash),
+			},
+			CID:         l.LeafCID,
+			RctCID:      l.RctCID,
+			LogLeafData: l.LogLeafData,
+			RctStatus:   l.RctStatus,
+		}
+	}
+
+	return logs
+}

pkg/graphql/graphql_test.go

@@ -17,15 +17,256 @@
 package graphql_test
 
 import (
+	"context"
+	"fmt"
+	"math/big"
+	"os"
+	"strconv"
+
+	"github.com/ethereum/go-ethereum/common"
+	"github.com/ethereum/go-ethereum/common/hexutil"
+	"github.com/ethereum/go-ethereum/core"
+	"github.com/ethereum/go-ethereum/core/types"
+	"github.com/ethereum/go-ethereum/core/vm"
+	"github.com/ethereum/go-ethereum/crypto"
+	"github.com/ethereum/go-ethereum/params"
+	"github.com/ethereum/go-ethereum/rpc"
+	"github.com/ethereum/go-ethereum/statediff"
+	"github.com/ethereum/go-ethereum/statediff/indexer"
+	"github.com/ethereum/go-ethereum/statediff/indexer/node"
+	"github.com/ethereum/go-ethereum/statediff/indexer/postgres"
+	sdtypes "github.com/ethereum/go-ethereum/statediff/types"
 	. "github.com/onsi/ginkgo"
 	. "github.com/onsi/gomega"
 
+	"github.com/vulcanize/ipld-eth-server/pkg/eth"
+	"github.com/vulcanize/ipld-eth-server/pkg/eth/test_helpers"
 	"github.com/vulcanize/ipld-eth-server/pkg/graphql"
+	ethServerShared "github.com/vulcanize/ipld-eth-server/pkg/shared"
 )
 
+// SetupDB is use to setup a db for watcher tests
+func SetupDB() (*postgres.DB, error) {
+	port, _ := strconv.Atoi(os.Getenv("DATABASE_PORT"))
+	uri := postgres.DbConnectionString(postgres.ConnectionParams{
+		User:     os.Getenv("DATABASE_USER"),
+		Password: os.Getenv("DATABASE_PASSWORD"),
+		Hostname: os.Getenv("DATABASE_HOSTNAME"),
+		Name:     os.Getenv("DATABASE_NAME"),
+		Port:     port,
+	})
+	return postgres.NewDB(uri, postgres.ConnectionConfig{}, node.Info{})
+}
+
 var _ = Describe("GraphQL", func() {
-	It("Builds the schema and creates a new handler", func() {
-		_, err := graphql.NewHandler(nil)
+	const (
+		gqlEndPoint = "127.0.0.1:8083"
+	)
+	var (
+		randomAddr      = common.HexToAddress("0x1C3ab14BBaD3D99F4203bd7a11aCB94882050E6f")
+		randomHash      = crypto.Keccak256Hash(randomAddr.Bytes())
+		blocks          []*types.Block
+		receipts        []types.Receipts
+		chain           *core.BlockChain
+		db              *postgres.DB
+		blockHashes     []common.Hash
+		backend         *eth.Backend
+		graphQLServer   *graphql.Service
+		chainConfig     = params.TestChainConfig
+		mockTD          = big.NewInt(1337)
+		client          = graphql.NewClient(fmt.Sprintf("http://%s/graphql", gqlEndPoint))
+		ctx             = context.Background()
+		blockHash       common.Hash
+		contractAddress common.Address
+	)
+
+	It("test init", func() {
+		var err error
+		db, err = SetupDB()
+		Expect(err).ToNot(HaveOccurred())
+
+		transformer, err := indexer.NewStateDiffIndexer(chainConfig, db)
+		Expect(err).ToNot(HaveOccurred())
+		backend, err = eth.NewEthBackend(db, &eth.Config{
+			ChainConfig: chainConfig,
+			VMConfig:    vm.Config{},
+			RPCGasCap:   big.NewInt(10000000000),
+			GroupCacheConfig: &ethServerShared.GroupCacheConfig{
+				StateDB: ethServerShared.GroupConfig{
+					Name:                   "graphql_test",
+					CacheSizeInMB:          8,
+					CacheExpiryInMins:      60,
+					LogStatsIntervalInSecs: 0,
+				},
+			},
+		})
+		Expect(err).ToNot(HaveOccurred())
+
+		// make the test blockchain (and state)
+		blocks, receipts, chain = test_helpers.MakeChain(5, test_helpers.Genesis, test_helpers.TestChainGen)
+		params := statediff.Params{
+			IntermediateStateNodes:   true,
+			IntermediateStorageNodes: true,
+		}
+
+		// iterate over the blocks, generating statediff payloads, and transforming the data into Postgres
+		builder := statediff.NewBuilder(chain.StateCache())
+		for i, block := range blocks {
+			blockHashes = append(blockHashes, block.Hash())
+			var args statediff.Args
+			var rcts types.Receipts
+			if i == 0 {
+				args = statediff.Args{
+					OldStateRoot: common.Hash{},
+					NewStateRoot: block.Root(),
+					BlockNumber:  block.Number(),
+					BlockHash:    block.Hash(),
+				}
+			} else {
+				args = statediff.Args{
+					OldStateRoot: blocks[i-1].Root(),
+					NewStateRoot: block.Root(),
+					BlockNumber:  block.Number(),
+					BlockHash:    block.Hash(),
+				}
+				rcts = receipts[i-1]
+			}
+
+			var diff statediff.StateObject
+			diff, err = builder.BuildStateDiffObject(args, params)
+			Expect(err).ToNot(HaveOccurred())
+
+			tx, err := transformer.PushBlock(block, rcts, mockTD)
+			Expect(err).ToNot(HaveOccurred())
+
+			for _, node := range diff.Nodes {
+				err = transformer.PushStateNode(tx, node)
+				Expect(err).ToNot(HaveOccurred())
+			}
+
+			err = tx.Close(err)
+			Expect(err).ToNot(HaveOccurred())
+		}
+
+		// Insert some non-canonical data into the database so that we test our ability to discern canonicity
+		indexAndPublisher, err := indexer.NewStateDiffIndexer(chainConfig, db)
+		Expect(err).ToNot(HaveOccurred())
+
+		blockHash = test_helpers.MockBlock.Hash()
+		contractAddress = test_helpers.ContractAddr
+
+		tx, err := indexAndPublisher.PushBlock(test_helpers.MockBlock, test_helpers.MockReceipts, test_helpers.MockBlock.Difficulty())
+		Expect(err).ToNot(HaveOccurred())
+
+		err = tx.Close(err)
+		Expect(err).ToNot(HaveOccurred())
+
+		// The non-canonical header has a child
+		tx, err = indexAndPublisher.PushBlock(test_helpers.MockChild, test_helpers.MockReceipts, test_helpers.MockChild.Difficulty())
+		Expect(err).ToNot(HaveOccurred())
+
+		ccHash := sdtypes.CodeAndCodeHash{
+			Hash: test_helpers.CodeHash,
+			Code: test_helpers.ContractCode,
+		}
+
+		err = indexAndPublisher.PushCodeAndCodeHash(tx, ccHash)
+		Expect(err).ToNot(HaveOccurred())
+
+		err = tx.Close(err)
+		Expect(err).ToNot(HaveOccurred())
+
+		graphQLServer, err = graphql.New(backend, gqlEndPoint, nil, []string{"*"}, rpc.HTTPTimeouts{})
+		Expect(err).ToNot(HaveOccurred())
+
+		err = graphQLServer.Start(nil)
 		Expect(err).ToNot(HaveOccurred())
 	})
+
+	defer It("test teardown", func() {
+		err := graphQLServer.Stop()
+		Expect(err).ToNot(HaveOccurred())
+		eth.TearDownDB(db)
+		chain.Stop()
+	})
+
+	Describe("eth_getLogs", func() {
+		It("Retrieves logs that matches the provided blockHash and contract address", func() {
+			logs, err := client.GetLogs(ctx, blockHash, &contractAddress)
+			Expect(err).ToNot(HaveOccurred())
+
+			expectedLogs := []graphql.LogResponse{
+				{
+					Topics:      test_helpers.MockLog1.Topics,
+					Data:        hexutil.Bytes(test_helpers.MockLog1.Data),
+					Transaction: graphql.TransactionResp{Hash: test_helpers.MockTransactions[0].Hash()},
+					ReceiptCID:  test_helpers.Rct1CID.String(),
+					Status:      int32(test_helpers.MockReceipts[0].Status),
+				},
+			}
+
+			Expect(logs).To(Equal(expectedLogs))
+		})
+
+		It("Retrieves logs for the failed receipt status that matches the provided blockHash and another contract address", func() {
+			logs, err := client.GetLogs(ctx, blockHash, &test_helpers.AnotherAddress2)
+			Expect(err).ToNot(HaveOccurred())
+
+			expectedLogs := []graphql.LogResponse{
+				{
+					Topics:      test_helpers.MockLog6.Topics,
+					Data:        hexutil.Bytes(test_helpers.MockLog6.Data),
+					Transaction: graphql.TransactionResp{Hash: test_helpers.MockTransactions[3].Hash()},
+					ReceiptCID:  test_helpers.Rct4CID.String(),
+					Status:      int32(test_helpers.MockReceipts[3].Status),
+				},
+			}
+
+			Expect(logs).To(Equal(expectedLogs))
+		})
+
+		It("Retrieves all the logs for the receipt that matches the provided blockHash and nil contract address", func() {
+			logs, err := client.GetLogs(ctx, blockHash, nil)
+			Expect(err).ToNot(HaveOccurred())
+			Expect(len(logs)).To(Equal(6))
+		})
+
+		It("Retrieves logs with random hash", func() {
+			logs, err := client.GetLogs(ctx, randomHash, &contractAddress)
+			Expect(err).ToNot(HaveOccurred())
+			Expect(len(logs)).To(Equal(0))
+		})
+	})
+
+	Describe("eth_getStorageAt", func() {
+		It("Retrieves the storage value at the provided contract address and storage leaf key at the block with the provided hash", func() {
+			storageRes, err := client.GetStorageAt(ctx, blockHashes[2], contractAddress, test_helpers.IndexOne)
+			Expect(err).ToNot(HaveOccurred())
+			Expect(storageRes.Value).To(Equal(common.HexToHash("01")))
+
+			storageRes, err = client.GetStorageAt(ctx, blockHashes[3], contractAddress, test_helpers.IndexOne)
+			Expect(err).ToNot(HaveOccurred())
+			Expect(storageRes.Value).To(Equal(common.HexToHash("03")))
+
+			storageRes, err = client.GetStorageAt(ctx, blockHashes[4], contractAddress, test_helpers.IndexOne)
+			Expect(err).ToNot(HaveOccurred())
+			Expect(storageRes.Value).To(Equal(common.HexToHash("09")))
+		})
+
+		It("Retrieves empty data if it tries to access a contract at a blockHash which does not exist", func() {
+			storageRes, err := client.GetStorageAt(ctx, blockHashes[0], contractAddress, test_helpers.IndexOne)
+			Expect(err).ToNot(HaveOccurred())
+			Expect(storageRes.Value).To(Equal(common.Hash{}))
+
+			storageRes, err = client.GetStorageAt(ctx, blockHashes[1], contractAddress, test_helpers.IndexOne)
+			Expect(err).ToNot(HaveOccurred())
+			Expect(storageRes.Value).To(Equal(common.Hash{}))
+		})
+
+		It("Retrieves empty data if it tries to access a contract slot which does not exist", func() {
+			storageRes, err := client.GetStorageAt(ctx, blockHashes[3], contractAddress, randomHash.Hex())
+			Expect(err).ToNot(HaveOccurred())
+			Expect(storageRes.Value).To(Equal(common.Hash{}))
+		})
+	})
 })

pkg/graphql/schema.go

@@ -65,7 +65,19 @@ const schema string = `
         # Data is unindexed data for this log.
         data: Bytes!
         # Transaction is the transaction that generated this log entry.
-        transaction: Transaction!
+        transaction: Transaction
+
+        # CID for the leaf node IPLD block of the log.
+        cid: String!
+
+        # ReceiptCID for the Receipt IPLD block this Log exists in.
+        receiptCID: String!
+
+        # IPLD block data for the Log Leaf node.
+        ipldBlock: Bytes!
+
+        # Status of the Receipt IPLD block this Log exists in.
+        status: Int!
     }
 
     # Transaction is an Ethereum transaction.
@@ -259,16 +271,36 @@ const schema string = `
         topics: [[Bytes32!]!]
     }
 
+    # Storage trie value with IPLD data.
+    type StorageResult {
+        value: Bytes32!
+
+        # CID for the storage trie IPLD block.
+        cid: String!
+
+        # Storage trie IPLD block.
+        ipldBlock: Bytes!
+    }
+
     type Query {
         # Block fetches an Ethereum block by number or by hash. If neither is
         # supplied, the most recent known block is returned.
         block(number: Long, hash: Bytes32): Block
+
         # Blocks returns all the blocks between two numbers, inclusive. If
         # to is not supplied, it defaults to the most recent known block.
         blocks(from: Long!, to: Long): [Block!]!
+
         # Transaction returns a transaction specified by its hash.
         transaction(hash: Bytes32!): Transaction
+
         # Logs returns log entries matching the provided filter.
         logs(filter: FilterCriteria!): [Log!]!
+
+        # Get storage slot by block hash and contract address.
+        getStorageAt(blockHash: Bytes32!, contract: Address!, slot: Bytes32!): StorageResult
+
+        # Get contract logs by block hash and contract address.
+        getLogs(blockHash: Bytes32!, contract: Address): [Log!]
     }
 `

pkg/net/api.go

@@ -0,0 +1,90 @@
+// VulcanizeDB
+// Copyright © 2021 Vulcanize
+
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Affero General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU Affero General Public License for more details.
+
+// You should have received a copy of the GNU Affero General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+package net
+
+import (
+	"fmt"
+
+	"github.com/ethereum/go-ethereum/common/hexutil"
+	"github.com/ethereum/go-ethereum/ethclient"
+	"github.com/ethereum/go-ethereum/rpc"
+)
+
+// APIName is the namespace for the watcher's eth api
+const APIName = "net"
+
+// APIVersion is the version of the watcher's eth api
+const APIVersion = "0.0.1"
+
+// PublicNetAPI is the net nampespace API
+type PublicNetAPI struct {
+	// Proxy node for forwarding cache misses
+	networkVersion uint64
+	rpc            *rpc.Client
+	ethClient      *ethclient.Client
+}
+
+// NewPublicNetAPI creates a new PublicNetAPI with the provided underlying Backend
+func NewPublicNetAPI(networkID uint64, client *rpc.Client) *PublicNetAPI {
+	var ethClient *ethclient.Client
+	if client != nil {
+		ethClient = ethclient.NewClient(client)
+	}
+	return &PublicNetAPI{
+		networkVersion: networkID,
+		rpc:            client,
+		ethClient:      ethClient,
+	}
+}
+
+// Listening returns an indication if the node is listening for network connections.
+func (pna *PublicNetAPI) Listening() bool {
+	// in this case it is actually whether or not the proxied node is listening
+	if pna.rpc != nil {
+		var listening bool
+		if err := pna.rpc.Call(&listening, "net_listening"); err == nil {
+			return listening
+		}
+	}
+	return false
+}
+
+// PeerCount returns the number of connected peers
+func (pna *PublicNetAPI) PeerCount() hexutil.Uint {
+	// in this case it is actually the peer count of the proxied node
+	if pna.rpc != nil {
+		var num hexutil.Uint
+		if err := pna.rpc.Call(&num, "net_peerCount"); err == nil {
+			return num
+		}
+	}
+	return hexutil.Uint(0)
+}
+
+// Version returns the current ethereum protocol version.
+func (pna *PublicNetAPI) Version() string {
+	if pna.networkVersion != 0 {
+		return fmt.Sprintf("%d", pna.networkVersion)
+	}
+	if pna.rpc != nil {
+		var version string
+		if err := pna.rpc.Call(&version, "net_version"); err == nil {
+			return version
+		}
+	}
+	return ""
+}

pkg/net/api_test.go

@@ -0,0 +1,47 @@
+// VulcanizeDB
+// Copyright © 2021 Vulcanize
+
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Affero General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU Affero General Public License for more details.
+
+// You should have received a copy of the GNU Affero General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+package net_test
+
+import (
+	. "github.com/onsi/ginkgo"
+	. "github.com/onsi/gomega"
+
+	"github.com/vulcanize/ipld-eth-server/pkg/net"
+)
+
+var _ = Describe("API", func() {
+	var (
+		api *net.PublicNetAPI
+	)
+	BeforeEach(func() {
+		api = net.NewPublicNetAPI(1, nil)
+	})
+	Describe("net_listening", func() {
+		It("Retrieves whether or not the node is listening to the p2p network", func() {
+			listening := api.Listening()
+			Expect(listening).To(BeFalse())
+		})
+	})
+
+	Describe("net_version", func() {
+		It("Retrieves the network id", func() {
+			version := api.Version()
+			Expect(version).To(Equal("1"))
+		})
+	})
+	// TODO: test PeerCount with mock proxy node
+})

pkg/net/net_suite_test.go

@@ -0,0 +1,35 @@
+// VulcanizeDB
+// Copyright © 2021 Vulcanize
+
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Affero General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU Affero General Public License for more details.
+
+// You should have received a copy of the GNU Affero General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+package net_test
+
+import (
+	"io/ioutil"
+	"testing"
+
+	. "github.com/onsi/ginkgo"
+	. "github.com/onsi/gomega"
+	"github.com/sirupsen/logrus"
+)
+
+func TestNetSuite(t *testing.T) {
+	RegisterFailHandler(Fail)
+	RunSpecs(t, "eth ipld server net suite test")
+}
+
+var _ = BeforeSuite(func() {
+	logrus.SetOutput(ioutil.Discard)
+})

pkg/rpc/http.go

@@ -29,7 +29,7 @@ import (
 func StartHTTPEndpoint(endpoint string, apis []rpc.API, modules []string, cors []string, vhosts []string, timeouts rpc.HTTPTimeouts) (*rpc.Server, error) {
 
 	srv := rpc.NewServer()
-	err := node.RegisterApisFromWhitelist(apis, modules, srv, false)
+	err := node.RegisterApis(apis, modules, srv, false)
 	if err != nil {
 		utils.Fatalf("Could not register HTTP API: %w", err)
 	}
@@ -41,7 +41,7 @@ func StartHTTPEndpoint(endpoint string, apis []rpc.API, modules []string, cors [
 		utils.Fatalf("Could not start RPC api: %v", err)
 	}
 	extapiURL := fmt.Sprintf("http://%v/", addr)
-	log.Info("HTTP endpoint opened", "url", extapiURL)
+	log.Infof("HTTP endpoint opened %s", extapiURL)
 
 	return srv, err
 }

pkg/rpc/ws.go

@@ -37,7 +37,7 @@ func StartWSEndpoint(endpoint string, apis []rpc.API, modules []string, wsOrigin
 
 	// Register all the APIs exposed by the services
 	handler := rpc.NewServer()
-	err = node.RegisterApisFromWhitelist(apis, modules, handler, exposeAll)
+	err = node.RegisterApis(apis, modules, handler, exposeAll)
 	if err != nil {
 		utils.Fatalf("Could not register WS API: %w", err)
 	}

pkg/serve/api.go

@@ -19,14 +19,11 @@ package serve
 import (
 	"context"
 
-	"github.com/ethereum/go-ethereum/p2p"
 	"github.com/ethereum/go-ethereum/rpc"
+	"github.com/ethereum/go-ethereum/statediff/indexer/shared"
 	log "github.com/sirupsen/logrus"
 
-	"github.com/vulcanize/ipld-eth-indexer/pkg/shared"
-
 	"github.com/vulcanize/ipld-eth-server/pkg/eth"
-	v "github.com/vulcanize/ipld-eth-server/version"
 )
 
 // APIName is the namespace used for the state diffing service API
@@ -90,32 +87,3 @@ func (api *PublicServerAPI) Stream(ctx context.Context, params eth.SubscriptionS
 func (api *PublicServerAPI) Chain() shared.ChainType {
 	return shared.Ethereum
 }
-
-// Struct for holding watcher meta data
-type InfoAPI struct{}
-
-// NewInfoAPI creates a new InfoAPI
-func NewInfoAPI() *InfoAPI {
-	return &InfoAPI{}
-}
-
-// Modules returns modules supported by this api
-func (iapi *InfoAPI) Modules() map[string]string {
-	return map[string]string{
-		"vdb": "Stream",
-	}
-}
-
-// NodeInfo gathers and returns a collection of metadata for the watcher
-func (iapi *InfoAPI) NodeInfo() *p2p.NodeInfo {
-	return &p2p.NodeInfo{
-		// TODO: formalize this
-		ID:   "vulcanizeDB",
-		Name: "ipld-eth-server",
-	}
-}
-
-// Version returns the version of the watcher
-func (iapi *InfoAPI) Version() string {
-	return v.VersionWithMeta
-}

pkg/serve/config.go

@@ -17,23 +17,21 @@
 package serve
 
 import (
+	"errors"
 	"fmt"
 	"math/big"
 	"os"
 	"path/filepath"
 
-	"github.com/ethereum/go-ethereum/rpc"
-	"github.com/vulcanize/ipld-eth-indexer/pkg/shared"
-
 	"github.com/ethereum/go-ethereum/common"
-
 	"github.com/ethereum/go-ethereum/params"
+	"github.com/ethereum/go-ethereum/rpc"
+	"github.com/ethereum/go-ethereum/statediff/indexer/postgres"
 	"github.com/spf13/viper"
-	"github.com/vulcanize/ipld-eth-indexer/pkg/postgres"
-	"github.com/vulcanize/ipld-eth-indexer/utils"
-	"github.com/vulcanize/ipld-eth-server/pkg/prom"
 
 	"github.com/vulcanize/ipld-eth-server/pkg/eth"
+	"github.com/vulcanize/ipld-eth-server/pkg/prom"
+	ethServerShared "github.com/vulcanize/ipld-eth-server/pkg/shared"
 )
 
 // Env variables
@@ -48,21 +46,53 @@ const (
 
 	ETH_DEFAULT_SENDER_ADDR = "ETH_DEFAULT_SENDER_ADDR"
 	ETH_RPC_GAS_CAP         = "ETH_RPC_GAS_CAP"
+	ETH_CHAIN_CONFIG        = "ETH_CHAIN_CONFIG"
 	ETH_SUPPORTS_STATEDIFF  = "ETH_SUPPORTS_STATEDIFF"
+	ETH_FORWARD_ETH_CALLS   = "ETH_FORWARD_ETH_CALLS"
+	ETH_PROXY_ON_ERROR      = "ETH_PROXY_ON_ERROR"
+
+	VALIDATOR_ENABLED         = "VALIDATOR_ENABLED"
+	VALIDATOR_EVERY_NTH_BLOCK = "VALIDATOR_EVERY_NTH_BLOCK"
 )
 
 // Config struct
 type Config struct {
-	DB               *postgres.DB
-	DBConfig         postgres.Config
-	WSEndpoint       string
-	HTTPEndpoint     string
-	IPCEndpoint      string
+	DB       *postgres.DB
+	DBConfig postgres.ConnectionConfig
+	DBParams postgres.ConnectionParams
+
+	WSEnabled  bool
+	WSEndpoint string
+
+	HTTPEnabled  bool
+	HTTPEndpoint string
+
+	IPCEnabled  bool
+	IPCEndpoint string
+
+	EthGraphqlEnabled  bool
+	EthGraphqlEndpoint string
+
+	IpldGraphqlEnabled          bool
+	IpldGraphqlEndpoint         string
+	IpldPostgraphileEndpoint    string
+	TracingHttpEndpoint         string
+	TracingPostgraphileEndpoint string
+
 	ChainConfig      *params.ChainConfig
 	DefaultSender    *common.Address
 	RPCGasCap        *big.Int
+	EthHttpEndpoint  string
 	Client           *rpc.Client
 	SupportStateDiff bool
+	ForwardEthCalls  bool
+	ProxyOnError     bool
+
+	// Cache configuration.
+	GroupCache *ethServerShared.GroupCacheConfig
+
+	StateValidationEnabled       bool
+	StateValidationEveryNthBlock uint64
 }
 
 // NewConfig is used to initialize a watcher config from a .toml file
@@ -70,47 +100,111 @@ type Config struct {
 func NewConfig() (*Config, error) {
 	c := new(Config)
 
-	viper.BindEnv("server.wsPath", SERVER_WS_PATH)
-	viper.BindEnv("server.ipcPath", SERVER_IPC_PATH)
-	viper.BindEnv("server.httpPath", SERVER_HTTP_PATH)
-	viper.BindEnv("ethereum.httpPath", shared.ETH_HTTP_PATH)
+	viper.BindEnv("ethereum.httpPath", ETH_HTTP_PATH)
 	viper.BindEnv("ethereum.defaultSender", ETH_DEFAULT_SENDER_ADDR)
 	viper.BindEnv("ethereum.rpcGasCap", ETH_RPC_GAS_CAP)
+	viper.BindEnv("ethereum.chainConfig", ETH_CHAIN_CONFIG)
 	viper.BindEnv("ethereum.supportsStateDiff", ETH_SUPPORTS_STATEDIFF)
+	viper.BindEnv("ethereum.forwardEthCalls", ETH_FORWARD_ETH_CALLS)
+	viper.BindEnv("ethereum.proxyOnError", ETH_PROXY_ON_ERROR)
 
-	c.DBConfig.Init()
-
+	c.dbInit()
 	ethHTTP := viper.GetString("ethereum.httpPath")
-	nodeInfo, cli, err := shared.GetEthNodeAndClient(fmt.Sprintf("http://%s", ethHTTP))
+	ethHTTPEndpoint := fmt.Sprintf("http://%s", ethHTTP)
+	nodeInfo, cli, err := getEthNodeAndClient(ethHTTPEndpoint)
 	if err != nil {
 		return nil, err
 	}
 	c.Client = cli
 	c.SupportStateDiff = viper.GetBool("ethereum.supportsStateDiff")
+	c.ForwardEthCalls = viper.GetBool("ethereum.forwardEthCalls")
+	c.ProxyOnError = viper.GetBool("ethereum.proxyOnError")
+	c.EthHttpEndpoint = ethHTTPEndpoint
 
-	wsPath := viper.GetString("server.wsPath")
-	if wsPath == "" {
-		wsPath = "127.0.0.1:8080"
-	}
-	c.WSEndpoint = wsPath
-	ipcPath := viper.GetString("server.ipcPath")
-	if ipcPath == "" {
-		home, err := os.UserHomeDir()
-		if err != nil {
-			return nil, err
+	// websocket server
+	wsEnabled := viper.GetBool("eth.server.ws")
+	if wsEnabled {
+		wsPath := viper.GetString("eth.server.wsPath")
+		if wsPath == "" {
+			wsPath = "127.0.0.1:8080"
 		}
-		ipcPath = filepath.Join(home, ".vulcanize/vulcanize.ipc")
+		c.WSEndpoint = wsPath
 	}
-	c.IPCEndpoint = ipcPath
-	httpPath := viper.GetString("server.httpPath")
-	if httpPath == "" {
-		httpPath = "127.0.0.1:8081"
+	c.WSEnabled = wsEnabled
+
+	// ipc server
+	ipcEnabled := viper.GetBool("eth.server.ipc")
+	if ipcEnabled {
+		ipcPath := viper.GetString("eth.server.ipcPath")
+		if ipcPath == "" {
+			home, err := os.UserHomeDir()
+			if err != nil {
+				return nil, err
+			}
+			ipcPath = filepath.Join(home, ".vulcanize/vulcanize.ipc")
+		}
+		c.IPCEndpoint = ipcPath
 	}
-	c.HTTPEndpoint = httpPath
+	c.IPCEnabled = ipcEnabled
+
+	// http server
+	httpEnabled := viper.GetBool("eth.server.http")
+	if httpEnabled {
+		httpPath := viper.GetString("eth.server.httpPath")
+		if httpPath == "" {
+			httpPath = "127.0.0.1:8081"
+		}
+		c.HTTPEndpoint = httpPath
+	}
+	c.HTTPEnabled = httpEnabled
+
+	// eth graphql endpoint
+	ethGraphqlEnabled := viper.GetBool("eth.server.graphql")
+	if ethGraphqlEnabled {
+		ethGraphqlPath := viper.GetString("eth.server.graphqlPath")
+		if ethGraphqlPath == "" {
+			ethGraphqlPath = "127.0.0.1:8082"
+		}
+		c.EthGraphqlEndpoint = ethGraphqlPath
+	}
+	c.EthGraphqlEnabled = ethGraphqlEnabled
+
+	// ipld graphql endpoint
+	ipldGraphqlEnabled := viper.GetBool("ipld.server.graphql")
+	if ipldGraphqlEnabled {
+		ipldGraphqlPath := viper.GetString("ipld.server.graphqlPath")
+		if ipldGraphqlPath == "" {
+			ipldGraphqlPath = "127.0.0.1:8083"
+		}
+		c.IpldGraphqlEndpoint = ipldGraphqlPath
+
+		ipldPostgraphilePath := viper.GetString("ipld.postgraphilePath")
+		if ipldPostgraphilePath == "" {
+			return nil, errors.New("ipld-postgraphile-path parameter is empty")
+		}
+		c.IpldPostgraphileEndpoint = ipldPostgraphilePath
+
+		tracingHttpEndpoint := viper.GetString("tracing.httpPath")
+		tracingPostgraphilePath := viper.GetString("tracing.postgraphilePath")
+
+		// these two parameters either can be both empty or both set
+		if (tracingHttpEndpoint == "" && tracingPostgraphilePath != "") || (tracingHttpEndpoint != "" && tracingPostgraphilePath == "") {
+			return nil, errors.New("tracing.httpPath and tracing.postgraphilePath parameters either can be both empty or both set")
+		}
+
+		c.TracingHttpEndpoint = tracingHttpEndpoint
+		c.TracingPostgraphileEndpoint = tracingPostgraphilePath
+	}
+	c.IpldGraphqlEnabled = ipldGraphqlEnabled
+
 	overrideDBConnConfig(&c.DBConfig)
-	serveDB := utils.LoadPostgres(c.DBConfig, nodeInfo, false)
-	prom.RegisterDBCollector(c.DBConfig.Name, serveDB.DB)
-	c.DB = &serveDB
+	serveDB, err := postgres.NewDB(postgres.DbConnectionString(c.DBParams), c.DBConfig, nodeInfo)
+	if err != nil {
+		return nil, err
+	}
+
+	prom.RegisterDBCollector(c.DBParams.Name, serveDB.DB)
+	c.DB = serveDB
 
 	defaultSenderStr := viper.GetString("ethereum.defaultSender")
 	if defaultSenderStr != "" {
@@ -123,11 +217,21 @@ func NewConfig() (*Config, error) {
 			c.RPCGasCap = rpcGasCap
 		}
 	}
-	c.ChainConfig, err = eth.ChainConfig(nodeInfo.ChainID)
+	chainConfigPath := viper.GetString("ethereum.chainConfig")
+	if chainConfigPath != "" {
+		c.ChainConfig, err = eth.LoadConfig(chainConfigPath)
+	} else {
+		c.ChainConfig, err = eth.ChainConfig(nodeInfo.ChainID)
+	}
+
+	c.loadGroupCacheConfig()
+
+	c.loadValidatorConfig()
+
 	return c, err
 }
 
-func overrideDBConnConfig(con *postgres.Config) {
+func overrideDBConnConfig(con *postgres.ConnectionConfig) {
 	viper.BindEnv("database.server.maxIdle", SERVER_MAX_IDLE_CONNECTIONS)
 	viper.BindEnv("database.server.maxOpen", SERVER_MAX_OPEN_CONNECTIONS)
 	viper.BindEnv("database.server.maxLifetime", SERVER_MAX_CONN_LIFETIME)
@@ -135,3 +239,54 @@ func overrideDBConnConfig(con *postgres.Config) {
 	con.MaxOpen = viper.GetInt("database.server.maxOpen")
 	con.MaxLifetime = viper.GetInt("database.server.maxLifetime")
 }
+
+func (c *Config) dbInit() {
+	viper.BindEnv("database.name", DATABASE_NAME)
+	viper.BindEnv("database.hostname", DATABASE_HOSTNAME)
+	viper.BindEnv("database.port", DATABASE_PORT)
+	viper.BindEnv("database.user", DATABASE_USER)
+	viper.BindEnv("database.password", DATABASE_PASSWORD)
+	viper.BindEnv("database.maxIdle", DATABASE_MAX_IDLE_CONNECTIONS)
+	viper.BindEnv("database.maxOpen", DATABASE_MAX_OPEN_CONNECTIONS)
+	viper.BindEnv("database.maxLifetime", DATABASE_MAX_CONN_LIFETIME)
+
+	c.DBParams.Name = viper.GetString("database.name")
+	c.DBParams.Hostname = viper.GetString("database.hostname")
+	c.DBParams.Port = viper.GetInt("database.port")
+	c.DBParams.User = viper.GetString("database.user")
+	c.DBParams.Password = viper.GetString("database.password")
+	c.DBConfig.MaxIdle = viper.GetInt("database.maxIdle")
+	c.DBConfig.MaxOpen = viper.GetInt("database.maxOpen")
+	c.DBConfig.MaxLifetime = viper.GetInt("database.maxLifetime")
+}
+
+func (c *Config) loadGroupCacheConfig() {
+	viper.BindEnv("groupcache.pool.enabled", ethServerShared.GcachePoolEnabled)
+	viper.BindEnv("groupcache.pool.httpEndpoint", ethServerShared.GcachePoolHttpPath)
+	viper.BindEnv("groupcache.pool.peerHttpEndpoints", ethServerShared.GcachePoolHttpPeers)
+	viper.BindEnv("groupcache.statedb.cacheSizeInMB", ethServerShared.GcacheStatedbCacheSize)
+	viper.BindEnv("groupcache.statedb.cacheExpiryInMins", ethServerShared.GcacheStatedbCacheExpiry)
+	viper.BindEnv("groupcache.statedb.logStatsIntervalInSecs", ethServerShared.GcacheStatedbLogStatsInterval)
+
+	gcc := ethServerShared.GroupCacheConfig{}
+	gcc.Pool.Enabled = viper.GetBool("groupcache.pool.enabled")
+	if gcc.Pool.Enabled {
+		gcc.Pool.HttpEndpoint = viper.GetString("groupcache.pool.httpEndpoint")
+		gcc.Pool.PeerHttpEndpoints = viper.GetStringSlice("groupcache.pool.peerHttpEndpoints")
+	}
+
+	// Irrespective of whether the pool is enabled, we always use the hot/local cache.
+	gcc.StateDB.CacheSizeInMB = viper.GetInt("groupcache.statedb.cacheSizeInMB")
+	gcc.StateDB.CacheExpiryInMins = viper.GetInt("groupcache.statedb.cacheExpiryInMins")
+	gcc.StateDB.LogStatsIntervalInSecs = viper.GetInt("groupcache.statedb.logStatsIntervalInSecs")
+
+	c.GroupCache = &gcc
+}
+
+func (c *Config) loadValidatorConfig() {
+	viper.BindEnv("validator.enabled", VALIDATOR_ENABLED)
+	viper.BindEnv("validator.everyNthBlock", VALIDATOR_EVERY_NTH_BLOCK)
+
+	c.StateValidationEnabled = viper.GetBool("validator.enabled")
+	c.StateValidationEveryNthBlock = viper.GetUint64("validator.everyNthBlock")
+}

pkg/serve/env.go

@@ -0,0 +1,50 @@
+package serve
+
+import (
+	"github.com/ethereum/go-ethereum/rpc"
+	"github.com/ethereum/go-ethereum/statediff/indexer/node"
+	"github.com/spf13/viper"
+)
+
+// Env variables
+const (
+	HTTP_TIMEOUT = "HTTP_TIMEOUT"
+
+	ETH_WS_PATH       = "ETH_WS_PATH"
+	ETH_HTTP_PATH     = "ETH_HTTP_PATH"
+	ETH_NODE_ID       = "ETH_NODE_ID"
+	ETH_CLIENT_NAME   = "ETH_CLIENT_NAME"
+	ETH_GENESIS_BLOCK = "ETH_GENESIS_BLOCK"
+	ETH_NETWORK_ID    = "ETH_NETWORK_ID"
+	ETH_CHAIN_ID      = "ETH_CHAIN_ID"
+
+	DATABASE_NAME                 = "DATABASE_NAME"
+	DATABASE_HOSTNAME             = "DATABASE_HOSTNAME"
+	DATABASE_PORT                 = "DATABASE_PORT"
+	DATABASE_USER                 = "DATABASE_USER"
+	DATABASE_PASSWORD             = "DATABASE_PASSWORD"
+	DATABASE_MAX_IDLE_CONNECTIONS = "DATABASE_MAX_IDLE_CONNECTIONS"
+	DATABASE_MAX_OPEN_CONNECTIONS = "DATABASE_MAX_OPEN_CONNECTIONS"
+	DATABASE_MAX_CONN_LIFETIME    = "DATABASE_MAX_CONN_LIFETIME"
+)
+
+// GetEthNodeAndClient returns eth node info and client from path url
+func getEthNodeAndClient(path string) (node.Info, *rpc.Client, error) {
+	viper.BindEnv("ethereum.nodeID", ETH_NODE_ID)
+	viper.BindEnv("ethereum.clientName", ETH_CLIENT_NAME)
+	viper.BindEnv("ethereum.genesisBlock", ETH_GENESIS_BLOCK)
+	viper.BindEnv("ethereum.networkID", ETH_NETWORK_ID)
+	viper.BindEnv("ethereum.chainID", ETH_CHAIN_ID)
+
+	rpcClient, err := rpc.Dial(path)
+	if err != nil {
+		return node.Info{}, nil, err
+	}
+	return node.Info{
+		ID:           viper.GetString("ethereum.nodeID"),
+		ClientName:   viper.GetString("ethereum.clientName"),
+		GenesisBlock: viper.GetString("ethereum.genesisBlock"),
+		NetworkID:    viper.GetString("ethereum.networkID"),
+		ChainID:      viper.GetUint64("ethereum.chainID"),
+	}, rpcClient, nil
+}

pkg/serve/service.go

@@ -18,22 +18,21 @@ package serve
 
 import (
 	"fmt"
+	"strconv"
 	"sync"
 
-	"github.com/ethereum/go-ethereum/core/vm"
-
 	"github.com/ethereum/go-ethereum/common"
+	"github.com/ethereum/go-ethereum/core/vm"
 	"github.com/ethereum/go-ethereum/crypto"
 	ethnode "github.com/ethereum/go-ethereum/node"
 	"github.com/ethereum/go-ethereum/p2p"
 	"github.com/ethereum/go-ethereum/rlp"
 	"github.com/ethereum/go-ethereum/rpc"
+	"github.com/ethereum/go-ethereum/statediff/indexer/postgres"
 	log "github.com/sirupsen/logrus"
 
-	eth2 "github.com/vulcanize/ipld-eth-indexer/pkg/eth"
-	"github.com/vulcanize/ipld-eth-indexer/pkg/postgres"
-
 	"github.com/vulcanize/ipld-eth-server/pkg/eth"
+	"github.com/vulcanize/ipld-eth-server/pkg/net"
 )
 
 const (
@@ -49,7 +48,7 @@ type Server interface {
 	APIs() []rpc.API
 	Protocols() []p2p.Protocol
 	// Pub-Sub handling event loop
-	Serve(wg *sync.WaitGroup, screenAndServePayload <-chan eth2.ConvertedPayload)
+	Serve(wg *sync.WaitGroup, screenAndServePayload <-chan eth.ConvertedPayload)
 	// Method to subscribe to the service
 	Subscribe(id rpc.ID, sub chan<- SubscriptionPayload, quitChan chan<- bool, params eth.SubscriptionSettings)
 	// Method to unsubscribe from the service
@@ -84,6 +83,10 @@ type Service struct {
 	supportsStateDiffing bool
 	// backend for the server
 	backend *eth.Backend
+	// whether to forward eth_calls directly to proxy node
+	forwardEthCalls bool
+	// whether to forward all calls to proxy node if they throw an error locally
+	proxyOnError bool
 }
 
 // NewServer creates a new Server using an underlying Service struct
@@ -98,12 +101,15 @@ func NewServer(settings *Config) (Server, error) {
 	sap.SubscriptionTypes = make(map[common.Hash]eth.SubscriptionSettings)
 	sap.client = settings.Client
 	sap.supportsStateDiffing = settings.SupportStateDiff
+	sap.forwardEthCalls = settings.ForwardEthCalls
+	sap.proxyOnError = settings.ProxyOnError
 	var err error
 	sap.backend, err = eth.NewEthBackend(sap.db, &eth.Config{
-		ChainConfig:   settings.ChainConfig,
-		VmConfig:      vm.Config{},
-		DefaultSender: settings.DefaultSender,
-		RPCGasCap:     settings.RPCGasCap,
+		ChainConfig:      settings.ChainConfig,
+		VMConfig:         vm.Config{NoBaseFee: true},
+		DefaultSender:    settings.DefaultSender,
+		RPCGasCap:        settings.RPCGasCap,
+		GroupCacheConfig: settings.GroupCache,
 	})
 	return sap, err
 }
@@ -115,7 +121,7 @@ func (sap *Service) Protocols() []p2p.Protocol {
 
 // APIs returns the RPC descriptors the watcher service offers
 func (sap *Service) APIs() []rpc.API {
-	infoAPI := NewInfoAPI()
+	networkID, _ := strconv.ParseUint(sap.db.Node.NetworkID, 10, 64)
 	apis := []rpc.API{
 		{
 			Namespace: APIName,
@@ -124,28 +130,20 @@ func (sap *Service) APIs() []rpc.API {
 			Public:    true,
 		},
 		{
-			Namespace: "rpc",
-			Version:   APIVersion,
-			Service:   infoAPI,
-			Public:    true,
-		},
-		{
-			Namespace: "net",
-			Version:   APIVersion,
-			Service:   infoAPI,
-			Public:    true,
-		},
-		{
-			Namespace: "admin",
-			Version:   APIVersion,
-			Service:   infoAPI,
+			Namespace: net.APIName,
+			Version:   net.APIVersion,
+			Service:   net.NewPublicNetAPI(networkID, sap.client),
 			Public:    true,
 		},
 	}
+	ethAPI, err := eth.NewPublicEthAPI(sap.backend, sap.client, sap.supportsStateDiffing, sap.forwardEthCalls, sap.proxyOnError)
+	if err != nil {
+		log.Fatalf("unable to create public eth api: %v", err)
+	}
 	return append(apis, rpc.API{
 		Namespace: eth.APIName,
 		Version:   eth.APIVersion,
-		Service:   eth.NewPublicEthAPI(sap.backend, sap.client, sap.supportsStateDiffing),
+		Service:   ethAPI,
 		Public:    true,
 	})
 }
@@ -154,7 +152,7 @@ func (sap *Service) APIs() []rpc.API {
 // It filters and sends this data to any subscribers to the service
 // This process can also be stood up alone, without an screenAndServePayload attached to a Sync process
 // and it will hang on the WaitGroup indefinitely, allowing the Service to serve historical data requests only
-func (sap *Service) Serve(wg *sync.WaitGroup, screenAndServePayload <-chan eth2.ConvertedPayload) {
+func (sap *Service) Serve(wg *sync.WaitGroup, screenAndServePayload <-chan eth.ConvertedPayload) {
 	sap.serveWg = wg
 	go func() {
 		wg.Add(1)
@@ -173,7 +171,7 @@ func (sap *Service) Serve(wg *sync.WaitGroup, screenAndServePayload <-chan eth2.
 }
 
 // filterAndServe filters the payload according to each subscription type and sends to the subscriptions
-func (sap *Service) filterAndServe(payload eth2.ConvertedPayload) {
+func (sap *Service) filterAndServe(payload eth.ConvertedPayload) {
 	log.Debug("sending eth ipld payload to subscriptions")
 	sap.Lock()
 	sap.serveWg.Add(1)
@@ -346,7 +344,7 @@ func (sap *Service) Unsubscribe(id rpc.ID) {
 func (sap *Service) Start() error {
 	log.Info("starting eth ipld server")
 	wg := new(sync.WaitGroup)
-	payloadChan := make(chan eth2.ConvertedPayload, PayloadChanBufferSize)
+	payloadChan := make(chan eth.ConvertedPayload, PayloadChanBufferSize)
 	sap.Serve(wg, payloadChan)
 	return nil
 }

pkg/shared/constants.go

@@ -19,4 +19,11 @@ package shared
 const (
 	DefaultMaxBatchSize   uint64 = 100
 	DefaultMaxBatchNumber int64  = 50
+
+	GcachePoolEnabled             = "GCACHE_POOL_ENABLED"
+	GcachePoolHttpPath            = "GCACHE_POOL_HTTP_PATH"
+	GcachePoolHttpPeers           = "GCACHE_POOL_HTTP_PEERS"
+	GcacheStatedbCacheSize        = "GCACHE_STATEDB_CACHE_SIZE"
+	GcacheStatedbCacheExpiry      = "GCACHE_STATEDB_CACHE_EXPIRY"
+	GcacheStatedbLogStatsInterval = "GCACHE_STATEDB_LOG_STATS_INTERVAL"
 )

pkg/shared/functions.go

@@ -18,13 +18,13 @@ package shared
 
 import (
 	"github.com/ethereum/go-ethereum/common"
+	"github.com/ethereum/go-ethereum/statediff/indexer/ipfs/ipld"
 	"github.com/ipfs/go-cid"
-	"github.com/ipfs/go-ipfs-blockstore"
-	"github.com/ipfs/go-ipfs-ds-help"
+	blockstore "github.com/ipfs/go-ipfs-blockstore"
+	dshelp "github.com/ipfs/go-ipfs-ds-help"
 	node "github.com/ipfs/go-ipld-format"
 	"github.com/jmoiron/sqlx"
 	"github.com/sirupsen/logrus"
-	"github.com/vulcanize/ipld-eth-indexer/pkg/ipfs/ipld"
 )
 
 // HandleZeroAddrPointer will return an emtpy string for a nil address pointer

pkg/shared/test_helpers.go

@@ -19,7 +19,7 @@ package shared
 import (
 	"bytes"
 
-	"github.com/vulcanize/ipld-eth-indexer/pkg/ipfs"
+	"github.com/ethereum/go-ethereum/statediff/indexer/ipfs"
 )
 
 // IPLDsContainBytes used to check if a list of strings contains a particular string

pkg/shared/types.go

@@ -0,0 +1,38 @@
+// VulcanizeDB
+// Copyright © 2021 Vulcanize
+
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Affero General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU Affero General Public License for more details.
+
+// You should have received a copy of the GNU Affero General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+package shared
+
+type PoolConfig struct {
+	Enabled           bool
+	HttpEndpoint      string
+	PeerHttpEndpoints []string
+}
+
+type GroupConfig struct {
+	CacheSizeInMB          int
+	CacheExpiryInMins      int
+	LogStatsIntervalInSecs int
+
+	// Used in tests to override the cache name, to work around
+	// the "duplicate registration of group" error from groupcache
+	Name string
+}
+
+type GroupCacheConfig struct {
+	Pool    PoolConfig
+	StateDB GroupConfig
+}

scripts/run_integration_test.sh

@@ -0,0 +1,26 @@
+set -e
+set -o xtrace
+
+export ETH_FORWARD_ETH_CALLS=false
+export DB_WRITE=true
+export ETH_HTTP_PATH=""
+export ETH_PROXY_ON_ERROR=false
+
+# Clear up existing docker images and volume.
+docker-compose down --remove-orphans --volumes
+
+# Build and start the containers.
+# Note: Build only if `ipld-eth-server` or other container code is modified. Otherwise comment this line.
+docker-compose -f docker-compose.test.yml -f docker-compose.yml build eth-server
+docker-compose -f docker-compose.test.yml -f docker-compose.yml up -d ipld-eth-db dapptools contract eth-server
+
+export PGPASSWORD=password
+export DATABASE_USER=vdbm
+export DATABASE_PORT=8077
+export DATABASE_PASSWORD=password
+export DATABASE_HOSTNAME=127.0.0.1
+
+# Wait for containers to be up and execute the integration test.
+while [ "$(curl -s -o /dev/null -w ''%{http_code}'' localhost:8081)" != "200" ]; do echo "waiting for ipld-eth-server..." && sleep 5; done && \
+          while [ "$(curl -s -o /dev/null -w ''%{http_code}'' localhost:8545)" != "200" ]; do echo "waiting for geth-statediff..." && sleep 5; done && \
+          make integrationtest

scripts/run_integration_test_forward_eth_calls.sh

@@ -0,0 +1,26 @@
+set -e
+set -o xtrace
+
+export ETH_FORWARD_ETH_CALLS=true
+export DB_WRITE=false
+export ETH_HTTP_PATH="dapptools:8545"
+export ETH_PROXY_ON_ERROR=false
+
+# Clear up existing docker images and volume.
+docker-compose down --remove-orphans --volumes
+
+# Build and start the containers.
+# Note: Build only if `ipld-eth-server` or other container code is modified. Otherwise comment this line.
+docker-compose -f docker-compose.test.yml -f docker-compose.yml build eth-server
+docker-compose -f docker-compose.test.yml -f docker-compose.yml up -d ipld-eth-db dapptools contract eth-server
+
+export PGPASSWORD=password
+export DATABASE_USER=vdbm
+export DATABASE_PORT=8077
+export DATABASE_PASSWORD=password
+export DATABASE_HOSTNAME=127.0.0.1
+
+# Wait for containers to be up and execute the integration test.
+while [ "$(curl -s -o /dev/null -w ''%{http_code}'' localhost:8081)" != "200" ]; do echo "waiting for ipld-eth-server..." && sleep 5; done && \
+          while [ "$(curl -s -o /dev/null -w ''%{http_code}'' localhost:8545)" != "200" ]; do echo "waiting for geth-statediff..." && sleep 5; done && \
+          make integrationtest

scripts/run_unit_test.sh

@@ -0,0 +1,5 @@
+# Clear up existing docker images and volume.
+docker-compose down --remove-orphans --volumes
+
+docker-compose -f docker-compose.test.yml -f docker-compose.yml up -d ipld-eth-db
+PGPASSWORD=password DATABASE_USER=vdbm DATABASE_PORT=8077 DATABASE_PASSWORD=password DATABASE_HOSTNAME=127.0.0.1 DATABASE_NAME=vulcanize_testing make test

test/README.md

@@ -0,0 +1,15 @@
+
+Spin up services: 
+```
+docker-compose -f docker-compose.test.yml -f docker-compose.yml up -d db dapptools contract eth-server
+```
+
+Running unit tests:
+```bash
+make test_local
+```
+
+Running integration test:
+```bash
+make integrationtest_local
+```

test/contract/.dockerignore

@@ -0,0 +1,3 @@
+node_modules
+artifacts
+cache

test/contract/.gitignore

@@ -0,0 +1,5 @@
+node_modules
+
+#Hardhat files
+cache
+artifacts

test/contract/Dockerfile

@@ -0,0 +1,14 @@
+FROM node:14
+
+ARG ETH_ADDR
+ENV ETH_ADDR $ETH_ADDR
+
+WORKDIR /usr/src/app
+COPY package*.json ./
+RUN npm ci
+COPY . .
+RUN npm run compile && ls -lah
+
+EXPOSE 3000
+
+ENTRYPOINT ["npm", "start"]

test/contract/contracts/GLDToken.sol

@@ -0,0 +1,10 @@
+pragma solidity ^0.8.0;
+import "@openzeppelin/contracts/token/ERC20/ERC20.sol";
+contract GLDToken is ERC20 {
+    constructor() ERC20("Gold", "GLD") {
+        _mint(msg.sender, 1000000000000000000000);
+    }
+    function destroy() public {
+        selfdestruct(payable(msg.sender));
+    }
+}

test/contract/hardhat.config.js

@@ -0,0 +1,32 @@
+require("@nomiclabs/hardhat-waffle");
+
+// This is a sample Hardhat task. To learn how to create your own go to
+// https://hardhat.org/guides/create-task.html
+task("accounts", "Prints the list of accounts", async () => {
+  const accounts = await ethers.getSigners();
+
+  for (const account of accounts) {
+    console.log(account.address);
+  }
+});
+
+// You need to export an object to set up your config
+// Go to https://hardhat.org/config/ to learn more
+
+/**
+ * @type import('hardhat/config').HardhatUserConfig
+ */
+module.exports = {
+  solidity: "0.8.0",
+  networks: {
+    local: {
+      url: 'http://127.0.0.1:8545',
+      chainId: 4
+    },
+    docker: {
+      url: process.env.ETH_ADDR,
+      chainId: 4
+    }
+  }
+};
+

test/contract/package.json

@@ -0,0 +1,27 @@
+{
+  "name": "contract",
+  "version": "1.0.0",
+  "main": "index.js",
+  "scripts": {
+    "compile": "npx hardhat compile",
+    "start": "HARDHAT_NETWORK=docker node src/index.js",
+    "start:local": "ETH_ADDR=http://127.0.0.1:8545 npm run start",
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "keywords": [],
+  "author": "",
+  "license": "ISC",
+  "description": "",
+  "dependencies": {
+    "@openzeppelin/contracts": "^4.0.0",
+    "fastify": "^3.14.2",
+    "hardhat": "^2.2.0"
+  },
+  "devDependencies": {
+    "@nomiclabs/hardhat-ethers": "^2.0.2",
+    "@nomiclabs/hardhat-waffle": "^2.0.1",
+    "chai": "^4.3.4",
+    "ethereum-waffle": "^3.3.0",
+    "ethers": "^5.1.0"
+  }
+}

test/contract/scripts/deploy.js

@@ -0,0 +1,18 @@
+const hre = require("hardhat");
+
+async function main() {
+    // await hre.run('compile');
+    // We get the contract to deploy
+    const GLDToken = await hre.ethers.getContractFactory("GLDToken");
+    const token = await GLDToken.deploy();
+    await token.deployed();
+    console.log("GLDToken deployed to:", token.address, token.deployTransaction.hash);
+}
+// We recommend this pattern to be able to use async/await everywhere
+// and properly handle errors.
+main()
+    .then(() => process.exit(0))
+    .catch(error => {
+        console.error(error);
+        process.exit(1);
+    });

test/contract/scripts/sample-script.js

@@ -0,0 +1,36 @@
+// We require the Hardhat Runtime Environment explicitly here. This is optional 
+// but useful for running the script in a standalone fashion through `node <script>`.
+//
+// When running the script with `hardhat run <script>` you'll find the Hardhat
+// Runtime Environment's members available in the global scope.
+const hre = require("hardhat");
+
+async function main() {
+  // Hardhat always runs the compile task when running scripts with its command
+  // line interface.
+  //
+  // If this script is run directly using `node` you may want to call compile 
+  // manually to make sure everything is compiled
+  // await hre.run('compile');
+
+  // We get the contract to deploy
+  const Greeter = await hre.ethers.getContractFactory("Greeter");
+  const greeter = await Greeter.deploy("Hello, Hardhat!");
+
+  await greeter.deployed();
+
+  console.log("Greeter deployed to:", greeter.address, "; tx hash: ", greeter.deployTransaction.hash);
+
+  const result = await greeter.setGreeting("Hello 123!");
+
+  console.log("Greeter updated", "; tx hash: ", result.hash, "; block hash: ", result.blockHash);
+}
+
+// We recommend this pattern to be able to use async/await everywhere
+// and properly handle errors.
+main()
+  .then(() => process.exit(0))
+  .catch(error => {
+    console.error(error);
+    process.exit(1);
+  });

test/contract/src/index.js

@@ -0,0 +1,75 @@
+const fastify = require('fastify')({ logger: true });
+const hre = require("hardhat");
+
+
+// readiness check
+fastify.get('/v1/healthz', async (req, reply) => {
+    reply
+        .code(200)
+        .header('Content-Type', 'application/json; charset=utf-8')
+        .send({ success: true })
+});
+
+fastify.get('/v1/deployContract', async (req, reply) => {
+    const GLDToken = await hre.ethers.getContractFactory("GLDToken");
+    const token = await GLDToken.deploy();
+    await token.deployed();
+
+    return {
+        address: token.address,
+        txHash: token.deployTransaction.hash,
+        blockNumber: token.deployTransaction.blockNumber,
+        blockHash: token.deployTransaction.blockHash,
+    }
+});
+
+fastify.get('/v1/destroyContract', async (req, reply) => {
+    const addr = req.query.addr;
+
+    const Token = await hre.ethers.getContractFactory("GLDToken");
+    const token = await Token.attach(addr);
+
+    await token.destroy();
+    const blockNum = await hre.ethers.provider.getBlockNumber()
+
+    return {
+        blockNumber: blockNum,
+    }
+})
+
+fastify.get('/v1/sendEth', async (req, reply) => {
+    const to = req.query.to;
+    const value = req.query.value;
+
+    const [owner] = await hre.ethers.getSigners();
+    const tx = await owner.sendTransaction({
+        to,
+        value: hre.ethers.utils.parseEther(value)
+    });
+    await tx.wait(1)
+
+    // console.log(tx);
+    // const coinbaseBalance = await hre.ethers.provider.getBalance(owner.address);
+    // const receiverBalance = await hre.ethers.provider.getBalance(to);
+    // console.log(coinbaseBalance.toString(), receiverBalance.toString());
+
+    return {
+        from: tx.from,
+        to: tx.to,
+        //value: tx.value.toString(),
+        txHash: tx.hash,
+        blockNumber: tx.blockNumber,
+        blockHash: tx.blockHash,
+    }
+});
+
+async function main() {
+    try {
+        await fastify.listen(3000, '0.0.0.0');
+    } catch (err) {
+        fastify.log.error(err);
+        process.exit(1);
+    }
+}
+
+main();

test/contract/test/sample-test.js

@@ -0,0 +1,14 @@
+const { expect } = require("chai");
+
+describe("Greeter", function() {
+  it("Should return the new greeting once it's changed", async function() {
+    const Greeter = await ethers.getContractFactory("Greeter");
+    const greeter = await Greeter.deploy("Hello, world!");
+    
+    await greeter.deployed();
+    expect(await greeter.greet()).to.equal("Hello, world!");
+
+    await greeter.setGreeting("Hola, mundo!");
+    expect(await greeter.greet()).to.equal("Hola, mundo!");
+  });
+});

test/direct_proxy_integration_test.go

@@ -0,0 +1,458 @@
+package integration_test
+
+import (
+	"context"
+	"math/big"
+	"os"
+	"strconv"
+	"time"
+
+	"github.com/ethereum/go-ethereum"
+	"github.com/ethereum/go-ethereum/common"
+	"github.com/ethereum/go-ethereum/ethclient"
+	. "github.com/onsi/ginkgo"
+	. "github.com/onsi/gomega"
+
+	"github.com/vulcanize/ipld-eth-server/pkg/eth"
+	integration "github.com/vulcanize/ipld-eth-server/test"
+)
+
+var _ = Describe("Integration test", func() {
+	directProxyEthCalls, err := strconv.ParseBool(os.Getenv("ETH_FORWARD_ETH_CALLS"))
+	Expect(err).To(BeNil())
+	gethHttpPath := "http://127.0.0.1:8545"
+	gethClient, err := ethclient.Dial(gethHttpPath)
+	Expect(err).ToNot(HaveOccurred())
+
+	ipldEthHttpPath := "http://127.0.0.1:8081"
+	ipldClient, err := ethclient.Dial(ipldEthHttpPath)
+	Expect(err).ToNot(HaveOccurred())
+
+	ctx := context.Background()
+
+	var contract *integration.ContractDeployed
+	var erc20TotalSupply *big.Int
+	var tx *integration.Tx
+	var bigIntResult bool
+	var contractErr error
+	var txErr error
+	sleepInterval := 2 * time.Second
+
+	Describe("get Block", func() {
+		BeforeEach(func() {
+			if !directProxyEthCalls {
+				Skip("skipping direct-proxy-forwarding integration tests")
+			}
+			contract, contractErr = integration.DeployContract()
+			time.Sleep(sleepInterval)
+		})
+
+		It("get not existing block by number", func() {
+			Expect(contractErr).ToNot(HaveOccurred())
+
+			blockNum := contract.BlockNumber + 100
+
+			gethBlock, err := gethClient.BlockByNumber(ctx, big.NewInt(int64(blockNum)))
+			Expect(err).To(MatchError(ethereum.NotFound))
+			Expect(gethBlock).To(BeZero())
+
+			ipldBlock, err := ipldClient.BlockByNumber(ctx, big.NewInt(int64(blockNum)))
+			Expect(err).To(MatchError(ethereum.NotFound))
+			Expect(ipldBlock).To(BeZero())
+		})
+
+		It("get not existing block by hash", func() {
+			gethBlock, err := gethClient.BlockByHash(ctx, common.HexToHash(nonExistingBlockHash))
+			Expect(err).To(MatchError(ethereum.NotFound))
+			Expect(gethBlock).To(BeZero())
+
+			ipldBlock, err := ipldClient.BlockByHash(ctx, common.HexToHash(nonExistingBlockHash))
+			Expect(err).To(MatchError(ethereum.NotFound))
+			Expect(ipldBlock).To(BeZero())
+		})
+
+		It("get block by number", func() {
+			Expect(contractErr).ToNot(HaveOccurred())
+
+			blockNum := contract.BlockNumber
+
+			_, err := gethClient.BlockByNumber(ctx, big.NewInt(int64(blockNum)))
+			Expect(err).ToNot(HaveOccurred())
+
+			_, err = ipldClient.BlockByNumber(ctx, big.NewInt(int64(blockNum)))
+			Expect(err).To(HaveOccurred())
+		})
+
+		It("get block by hash", func() {
+			_, err := gethClient.BlockByHash(ctx, common.HexToHash(contract.BlockHash))
+			Expect(err).ToNot(HaveOccurred())
+
+			_, err = ipldClient.BlockByHash(ctx, common.HexToHash(contract.BlockHash))
+			Expect(err).To(HaveOccurred())
+		})
+	})
+
+	Describe("Transaction", func() {
+		BeforeEach(func() {
+			if !directProxyEthCalls {
+				Skip("skipping direct-proxy-forwarding integration tests")
+			}
+			contract, contractErr = integration.DeployContract()
+			time.Sleep(sleepInterval)
+		})
+
+		It("Get tx by hash", func() {
+			Expect(contractErr).ToNot(HaveOccurred())
+
+			_, _, err := gethClient.TransactionByHash(ctx, common.HexToHash(contract.TransactionHash))
+			Expect(err).ToNot(HaveOccurred())
+
+			_, _, err = ipldClient.TransactionByHash(ctx, common.HexToHash(contract.TransactionHash))
+			Expect(err).To(HaveOccurred())
+		})
+
+		It("Get tx by block hash and index", func() {
+			_, err := gethClient.TransactionInBlock(ctx, common.HexToHash(contract.BlockHash), 0)
+			Expect(err).ToNot(HaveOccurred())
+
+			_, err = ipldClient.TransactionInBlock(ctx, common.HexToHash(contract.BlockHash), 0)
+			Expect(err).To(HaveOccurred())
+		})
+	})
+
+	Describe("Receipt", func() {
+		BeforeEach(func() {
+			if !directProxyEthCalls {
+				Skip("skipping direct-proxy-forwarding integration tests")
+			}
+			contract, contractErr = integration.DeployContract()
+			time.Sleep(sleepInterval)
+		})
+
+		It("Get tx receipt", func() {
+			Expect(contractErr).ToNot(HaveOccurred())
+
+			_, err := gethClient.TransactionReceipt(ctx, common.HexToHash(contract.TransactionHash))
+			Expect(err).ToNot(HaveOccurred())
+
+			_, err = ipldClient.TransactionReceipt(ctx, common.HexToHash(contract.TransactionHash))
+			Expect(err).To(HaveOccurred())
+		})
+	})
+
+	Describe("FilterLogs", func() {
+		BeforeEach(func() {
+			if !directProxyEthCalls {
+				Skip("skipping direct-proxy-forwarding integration tests")
+			}
+			contract, contractErr = integration.DeployContract()
+			time.Sleep(sleepInterval)
+		})
+
+		It("with blockhash", func() {
+			Expect(contractErr).ToNot(HaveOccurred())
+
+			blockHash := common.HexToHash(contract.BlockHash)
+			filterQuery := ethereum.FilterQuery{
+				//Addresses: addresses,
+				BlockHash: &blockHash,
+				Topics:    [][]common.Hash{},
+			}
+
+			gethLogs, err := gethClient.FilterLogs(ctx, filterQuery)
+			Expect(err).ToNot(HaveOccurred())
+
+			ipldLogs, err := ipldClient.FilterLogs(ctx, filterQuery)
+			Expect(err).ToNot(HaveOccurred())
+
+			// not empty list
+			Expect(gethLogs).ToNot(BeEmpty())
+			// empty list
+			Expect(ipldLogs).To(BeEmpty())
+		})
+	})
+
+	Describe("CodeAt", func() {
+		BeforeEach(func() {
+			if !directProxyEthCalls {
+				Skip("skipping direct-proxy-forwarding integration tests")
+			}
+			contract, contractErr = integration.DeployContract()
+			time.Sleep(sleepInterval)
+		})
+
+		It("gets code at non-existing address without block number", func() {
+			Expect(contractErr).ToNot(HaveOccurred())
+
+			gethCode, err := gethClient.CodeAt(ctx, common.HexToAddress(nonExistingAddress), nil)
+			Expect(err).ToNot(HaveOccurred())
+
+			ipldCode, err := ipldClient.CodeAt(ctx, common.HexToAddress(nonExistingAddress), nil)
+			Expect(err).ToNot(HaveOccurred())
+
+			Expect(gethCode).To(BeEmpty())
+			Expect(gethCode).To(Equal(ipldCode))
+		})
+		It("gets code of deployed contract without block number", func() {
+			_, err := gethClient.CodeAt(ctx, common.HexToAddress(contract.Address), nil)
+			Expect(err).ToNot(HaveOccurred())
+
+			ipldCode, err := ipldClient.CodeAt(ctx, common.HexToAddress(contract.Address), nil)
+			Expect(err).ToNot(HaveOccurred())
+			Expect(ipldCode).To(BeEmpty())
+		})
+		It("gets code of deployed contract with block number", func() {
+			_, err := gethClient.CodeAt(ctx, common.HexToAddress(contract.Address), big.NewInt(int64(contract.BlockNumber)))
+			Expect(err).ToNot(HaveOccurred())
+
+			ipldCode, err := ipldClient.CodeAt(ctx, common.HexToAddress(contract.Address), big.NewInt(int64(contract.BlockNumber)))
+			Expect(err).ToNot(HaveOccurred())
+			Expect(ipldCode).To(BeEmpty())
+		})
+		It("gets code of contract that doesn't exist at this height", func() {
+			gethCode, err := gethClient.CodeAt(ctx, common.HexToAddress(contract.Address), big.NewInt(int64(contract.BlockNumber-1)))
+			Expect(err).ToNot(HaveOccurred())
+
+			ipldCode, err := ipldClient.CodeAt(ctx, common.HexToAddress(contract.Address), big.NewInt(int64(contract.BlockNumber-1)))
+			Expect(err).ToNot(HaveOccurred())
+
+			Expect(gethCode).To(BeEmpty())
+			Expect(gethCode).To(Equal(ipldCode))
+		})
+	})
+
+	Describe("Get balance", func() {
+		address := "0x1111111111111111111111111111111111111112"
+		BeforeEach(func() {
+			if !directProxyEthCalls {
+				Skip("skipping direct-proxy-forwarding integration tests")
+			}
+			tx, txErr = integration.SendEth(address, "0.01")
+			time.Sleep(sleepInterval)
+		})
+
+		It("gets balance for an account with eth without block number", func() {
+			Expect(txErr).ToNot(HaveOccurred())
+
+			gethBalance, err := gethClient.BalanceAt(ctx, common.HexToAddress(address), nil)
+			Expect(err).ToNot(HaveOccurred())
+			Expect(gethBalance.String()).To(Equal(big.NewInt(10000000000000000).String()))
+
+			ipldBalance, err := ipldClient.BalanceAt(ctx, common.HexToAddress(address), nil)
+			Expect(err).ToNot(HaveOccurred())
+			Expect(ipldBalance.String()).To(Equal(big.NewInt(0).String()))
+		})
+		It("gets balance for an account with eth with block number", func() {
+			Expect(txErr).ToNot(HaveOccurred())
+
+			_, err := gethClient.BalanceAt(ctx, common.HexToAddress(address), big.NewInt(int64(tx.BlockNumber)))
+			Expect(err).ToNot(HaveOccurred())
+
+			_, err = ipldClient.BalanceAt(ctx, common.HexToAddress(address), big.NewInt(int64(tx.BlockNumber)))
+			Expect(err).To(HaveOccurred())
+		})
+		It("gets historical balance for an account with eth with block number", func() {
+			Expect(txErr).ToNot(HaveOccurred())
+
+			_, err := gethClient.BalanceAt(ctx, common.HexToAddress(address), big.NewInt(int64(tx.BlockNumber-1)))
+			Expect(err).ToNot(HaveOccurred())
+
+			_, err = ipldClient.BalanceAt(ctx, common.HexToAddress(address), big.NewInt(int64(tx.BlockNumber-1)))
+			Expect(err).To(HaveOccurred())
+		})
+		It("gets balance for a non-existing account without block number", func() {
+			Expect(txErr).ToNot(HaveOccurred())
+
+			gethBalance, err := gethClient.BalanceAt(ctx, common.HexToAddress(nonExistingAddress), nil)
+			Expect(err).ToNot(HaveOccurred())
+
+			ipldBalance, err := ipldClient.BalanceAt(ctx, common.HexToAddress(nonExistingAddress), nil)
+			Expect(err).ToNot(HaveOccurred())
+
+			Expect(gethBalance).To(Equal(ipldBalance))
+		})
+		It("gets balance for an non-existing block number", func() {
+			Expect(txErr).ToNot(HaveOccurred())
+
+			gethBalance, err := gethClient.BalanceAt(ctx, common.HexToAddress(address), big.NewInt(int64(tx.BlockNumber+3)))
+			Expect(err).To(MatchError("header not found"))
+
+			ipldBalance, err := ipldClient.BalanceAt(ctx, common.HexToAddress(nonExistingAddress), big.NewInt(int64(tx.BlockNumber+3)))
+			Expect(err).To(MatchError("header not found"))
+
+			Expect(gethBalance).To(Equal(ipldBalance))
+		})
+	})
+
+	Describe("Get Storage", func() {
+		BeforeEach(func() {
+			if !directProxyEthCalls {
+				Skip("skipping direct-proxy-forwarding integration tests")
+			}
+			contract, contractErr = integration.DeployContract()
+			erc20TotalSupply, bigIntResult = new(big.Int).SetString("1000000000000000000000", 10)
+
+			time.Sleep(sleepInterval)
+		})
+
+		It("gets ERC20 total supply (without block number)", func() {
+			Expect(contractErr).ToNot(HaveOccurred())
+			Expect(bigIntResult).To(Equal(true))
+
+			totalSupplyIndex := "0x2"
+
+			gethStorage, err := gethClient.StorageAt(ctx, common.HexToAddress(contract.Address), common.HexToHash(totalSupplyIndex), nil)
+			Expect(err).ToNot(HaveOccurred())
+
+			gethTotalSupply := new(big.Int).SetBytes(gethStorage)
+			Expect(gethTotalSupply).To(Equal(erc20TotalSupply))
+
+			ipldStorage, err := ipldClient.StorageAt(ctx, common.HexToAddress(contract.Address), common.HexToHash(totalSupplyIndex), nil)
+			Expect(err).ToNot(HaveOccurred())
+			Expect(ipldStorage).To(Equal(make([]byte, 32)))
+		})
+
+		It("gets ERC20 total supply (with block number)", func() {
+			totalSupplyIndex := "0x2"
+
+			gethStorage, err := gethClient.StorageAt(ctx, common.HexToAddress(contract.Address), common.HexToHash(totalSupplyIndex), big.NewInt(int64(contract.BlockNumber)))
+			Expect(err).ToNot(HaveOccurred())
+
+			gethTotalSupply := new(big.Int).SetBytes(gethStorage)
+			Expect(gethTotalSupply).To(Equal(erc20TotalSupply))
+
+			_, err = ipldClient.StorageAt(ctx, common.HexToAddress(contract.Address), common.HexToHash(totalSupplyIndex), big.NewInt(int64(contract.BlockNumber)))
+			Expect(err).To(HaveOccurred())
+		})
+		It("gets storage for non-existing account", func() {
+			totalSupplyIndex := "0x2"
+
+			_, err := gethClient.StorageAt(ctx, common.HexToAddress(nonExistingAddress), common.HexToHash(totalSupplyIndex), big.NewInt(int64(contract.BlockNumber)))
+			Expect(err).ToNot(HaveOccurred())
+
+			_, err = ipldClient.StorageAt(ctx, common.HexToAddress(nonExistingAddress), common.HexToHash(totalSupplyIndex), big.NewInt(int64(contract.BlockNumber)))
+			Expect(err).To(MatchError("header not found"))
+		})
+		It("gets storage for non-existing contract slot", func() {
+			_, err := gethClient.StorageAt(ctx, common.HexToAddress(contract.Address), randomHash, big.NewInt(int64(contract.BlockNumber)))
+			Expect(err).ToNot(HaveOccurred())
+
+			_, err = ipldClient.StorageAt(ctx, common.HexToAddress(contract.Address), randomHash, big.NewInt(int64(contract.BlockNumber)))
+			Expect(err).To(MatchError("header not found"))
+		})
+		It("gets storage for non-existing contract", func() {
+			totalSupplyIndex := "0x2"
+			gethStorage, err := gethClient.StorageAt(ctx, common.HexToAddress(contract.Address), common.HexToHash(totalSupplyIndex), big.NewInt(0))
+			Expect(err).ToNot(HaveOccurred())
+
+			ipldStorage, err := ipldClient.StorageAt(ctx, common.HexToAddress(contract.Address), common.HexToHash(totalSupplyIndex), big.NewInt(0))
+			Expect(err).ToNot(HaveOccurred())
+			Expect(gethStorage).To(Equal(ipldStorage))
+		})
+		It("gets storage for non-existing block number", func() {
+			blockNum := contract.BlockNumber + 100
+			totalSupplyIndex := "0x2"
+
+			gethStorage, err := gethClient.StorageAt(ctx, common.HexToAddress(contract.Address), common.HexToHash(totalSupplyIndex), big.NewInt(int64(blockNum)))
+			Expect(err).To(MatchError("header not found"))
+
+			ipldStorage, err := ipldClient.StorageAt(ctx, common.HexToAddress(contract.Address), common.HexToHash(totalSupplyIndex), big.NewInt(int64(blockNum)))
+			Expect(err).To(MatchError("header not found"))
+			Expect(gethStorage).To(Equal(ipldStorage))
+		})
+
+		It("get storage after self destruct", func() {
+			totalSupplyIndex := "0x2"
+
+			tx, err := integration.DestroyContract(contract.Address)
+			Expect(err).ToNot(HaveOccurred())
+
+			time.Sleep(sleepInterval)
+
+			gethStorage1, err := gethClient.StorageAt(ctx, common.HexToAddress(contract.Address), common.HexToHash(totalSupplyIndex), big.NewInt(tx.BlockNumber-1))
+			Expect(err).ToNot(HaveOccurred())
+			gethStorage2, err := gethClient.StorageAt(ctx, common.HexToAddress(contract.Address), common.HexToHash(totalSupplyIndex), big.NewInt(tx.BlockNumber))
+			Expect(err).ToNot(HaveOccurred())
+
+			Expect(gethStorage1).NotTo(Equal(gethStorage2))
+			Expect(gethStorage2).To(Equal(eth.EmptyNodeValue))
+
+			_, err = ipldClient.StorageAt(ctx, common.HexToAddress(contract.Address), common.HexToHash(totalSupplyIndex), big.NewInt(tx.BlockNumber-1))
+			Expect(err).To(HaveOccurred())
+			_, err = ipldClient.StorageAt(ctx, common.HexToAddress(contract.Address), common.HexToHash(totalSupplyIndex), big.NewInt(tx.BlockNumber))
+			Expect(err).To(MatchError("header not found"))
+
+			// Query the current block
+			ipldStorage3, err := ipldClient.StorageAt(ctx, common.HexToAddress(contract.Address), common.HexToHash(totalSupplyIndex), nil)
+			Expect(err).ToNot(HaveOccurred())
+
+			Expect(eth.EmptyNodeValue).To(Equal(ipldStorage3))
+		})
+	})
+
+	Describe("eth call", func() {
+		BeforeEach(func() {
+			if !directProxyEthCalls {
+				Skip("skipping direct-proxy-forwarding integration tests")
+			}
+			contract, contractErr = integration.DeployContract()
+			erc20TotalSupply, bigIntResult = new(big.Int).SetString("1000000000000000000000", 10)
+
+			time.Sleep(sleepInterval)
+		})
+
+		It("calls totalSupply() without block number", func() {
+			Expect(contractErr).ToNot(HaveOccurred())
+			Expect(bigIntResult).To(Equal(true))
+
+			contractAddress := common.HexToAddress(contract.Address)
+
+			msg := ethereum.CallMsg{
+				To:   &contractAddress,
+				Data: common.Hex2Bytes("18160ddd"), // totalSupply()
+			}
+			gethResult, err := gethClient.CallContract(ctx, msg, nil)
+			Expect(err).ToNot(HaveOccurred())
+
+			gethTotalSupply := new(big.Int).SetBytes(gethResult)
+			Expect(gethTotalSupply).To(Equal(erc20TotalSupply))
+
+			ipldResult, err := ipldClient.CallContract(ctx, msg, nil)
+			Expect(err).ToNot(HaveOccurred())
+
+			Expect(gethResult).To(Equal(ipldResult))
+		})
+
+		It("calls totalSupply() with block number", func() {
+			contractAddress := common.HexToAddress(contract.Address)
+
+			msg := ethereum.CallMsg{
+				To:   &contractAddress,
+				Data: common.Hex2Bytes("18160ddd"), // totalSupply()
+			}
+			gethResult, err := gethClient.CallContract(ctx, msg, big.NewInt(int64(contract.BlockNumber)))
+			Expect(err).ToNot(HaveOccurred())
+
+			gethTotalSupply := new(big.Int).SetBytes(gethResult)
+			Expect(gethTotalSupply).To(Equal(erc20TotalSupply))
+
+			ipldResult, err := ipldClient.CallContract(ctx, msg, big.NewInt(int64(contract.BlockNumber)))
+			Expect(err).ToNot(HaveOccurred())
+
+			Expect(gethResult).To(Equal(ipldResult))
+		})
+	})
+
+	Describe("Chain ID", func() {
+		It("Check chain id", func() {
+			if !directProxyEthCalls {
+				Skip("skipping direct-proxy-forwarding integration tests")
+			}
+			_, err := gethClient.ChainID(ctx)
+			Expect(err).ToNot(HaveOccurred())
+
+			_, err = ipldClient.ChainID(ctx)
+			Expect(err).To(HaveOccurred())
+		})
+	})
+})

test/helper.go

@@ -0,0 +1,79 @@
+package integration
+
+import (
+	"encoding/json"
+	"fmt"
+	"math/big"
+	"net/http"
+)
+
+type ContractDeployed struct {
+	Address         string `json:"address"`
+	TransactionHash string `json:"txHash"`
+	BlockNumber     int    `json:"blockNumber"`
+	BlockHash       string `json:"blockHash"`
+}
+
+type ContractDestroyed struct {
+	BlockNumber int64 `json:"blockNumber"`
+}
+
+type Tx struct {
+	From            string   `json:"from"`
+	To              string   `json:"to"`
+	Value           *big.Int `json:"value"`
+	TransactionHash string   `json:"txHash"`
+	BlockNumber     int      `json:"blockNumber"`
+	BlockHash       string   `json:"blockHash"`
+}
+
+const srvUrl = "http://localhost:3000"
+
+func DeployContract() (*ContractDeployed, error) {
+	res, err := http.Get(fmt.Sprintf("%s/v1/deployContract", srvUrl))
+	if err != nil {
+		return nil, err
+	}
+	defer res.Body.Close()
+
+	var contract ContractDeployed
+
+	decoder := json.NewDecoder(res.Body)
+	err = decoder.Decode(&contract)
+	if err != nil {
+		return nil, err
+	}
+
+	return &contract, nil
+}
+
+func DestroyContract(addr string) (*ContractDestroyed, error) {
+	res, err := http.Get(fmt.Sprintf("%s/v1/destroyContract?addr=%s", srvUrl, addr))
+	if err != nil {
+		return nil, err
+	}
+	defer res.Body.Close()
+
+	var data ContractDestroyed
+	decoder := json.NewDecoder(res.Body)
+
+	return &data, decoder.Decode(&data)
+}
+
+func SendEth(to string, value string) (*Tx, error) {
+	res, err := http.Get(fmt.Sprintf("%s/v1/sendEth?to=%s&value=%s", srvUrl, to, value))
+	if err != nil {
+		return nil, err
+	}
+	defer res.Body.Close()
+
+	var tx Tx
+
+	decoder := json.NewDecoder(res.Body)
+	err = decoder.Decode(&tx)
+	if err != nil {
+		return nil, err
+	}
+
+	return &tx, nil
+}

test/integration_suite_test.go

@@ -0,0 +1,19 @@
+package integration_test
+
+import (
+	"io/ioutil"
+	"testing"
+
+	. "github.com/onsi/ginkgo"
+	. "github.com/onsi/gomega"
+	"github.com/sirupsen/logrus"
+)
+
+func TestIntegration(t *testing.T) {
+	RegisterFailHandler(Fail)
+	RunSpecs(t, "integration test suite")
+}
+
+var _ = BeforeSuite(func() {
+	logrus.SetOutput(ioutil.Discard)
+})

test/integration_test.go

@@ -0,0 +1,549 @@
+package integration_test
+
+import (
+	"context"
+	"math/big"
+	"os"
+	"strconv"
+	"time"
+
+	"github.com/ethereum/go-ethereum"
+	"github.com/ethereum/go-ethereum/common"
+	"github.com/ethereum/go-ethereum/core/types"
+	"github.com/ethereum/go-ethereum/crypto"
+	"github.com/ethereum/go-ethereum/ethclient"
+	"github.com/ethereum/go-ethereum/rlp"
+	. "github.com/onsi/ginkgo"
+	. "github.com/onsi/gomega"
+
+	"github.com/vulcanize/ipld-eth-server/pkg/eth"
+	integration "github.com/vulcanize/ipld-eth-server/test"
+)
+
+const nonExistingBlockHash = "0x111111111111111111111111111111111111111111111111111111111111111"
+const nonExistingAddress = "0x1111111111111111111111111111111111111111"
+
+var (
+	randomAddr = common.HexToAddress("0x1C3ab14BBaD3D99F4203bd7a11aCB94882050E6f")
+	randomHash = crypto.Keccak256Hash(randomAddr.Bytes())
+)
+
+var _ = Describe("Integration test", func() {
+	directProxyEthCalls, err := strconv.ParseBool(os.Getenv("ETH_FORWARD_ETH_CALLS"))
+	Expect(err).To(BeNil())
+	gethHttpPath := "http://127.0.0.1:8545"
+	gethClient, err := ethclient.Dial(gethHttpPath)
+	Expect(err).ToNot(HaveOccurred())
+
+	ipldEthHttpPath := "http://127.0.0.1:8081"
+	ipldClient, err := ethclient.Dial(ipldEthHttpPath)
+	Expect(err).ToNot(HaveOccurred())
+
+	ctx := context.Background()
+
+	var contract *integration.ContractDeployed
+	var erc20TotalSupply *big.Int
+	var tx *integration.Tx
+	var bigIntResult bool
+	var contractErr error
+	var txErr error
+	sleepInterval := 2 * time.Second
+
+	Describe("get Block", func() {
+		BeforeEach(func() {
+			if directProxyEthCalls {
+				Skip("skipping no-direct-proxy-forwarding integration tests")
+			}
+			contract, contractErr = integration.DeployContract()
+			time.Sleep(sleepInterval)
+		})
+
+		It("get not existing block by number", func() {
+			Expect(contractErr).ToNot(HaveOccurred())
+
+			blockNum := contract.BlockNumber + 100
+
+			gethBlock, err := gethClient.BlockByNumber(ctx, big.NewInt(int64(blockNum)))
+			Expect(err).To(MatchError(ethereum.NotFound))
+			Expect(gethBlock).To(BeZero())
+
+			ipldBlock, err := ipldClient.BlockByNumber(ctx, big.NewInt(int64(blockNum)))
+			Expect(err).To(MatchError(ethereum.NotFound))
+			Expect(ipldBlock).To(BeZero())
+		})
+
+		It("get not existing block by hash", func() {
+			gethBlock, err := gethClient.BlockByHash(ctx, common.HexToHash(nonExistingBlockHash))
+			Expect(err).To(MatchError(ethereum.NotFound))
+			Expect(gethBlock).To(BeZero())
+
+			ipldBlock, err := ipldClient.BlockByHash(ctx, common.HexToHash(nonExistingBlockHash))
+			Expect(err).To(MatchError(ethereum.NotFound))
+			Expect(ipldBlock).To(BeZero())
+		})
+
+		It("get block by number", func() {
+			Expect(contractErr).ToNot(HaveOccurred())
+
+			blockNum := contract.BlockNumber
+
+			gethBlock, err := gethClient.BlockByNumber(ctx, big.NewInt(int64(blockNum)))
+			Expect(err).ToNot(HaveOccurred())
+
+			ipldBlock, err := ipldClient.BlockByNumber(ctx, big.NewInt(int64(blockNum)))
+			Expect(err).ToNot(HaveOccurred())
+
+			// check headers are equals
+			Expect(gethBlock.Header()).To(Equal(ipldBlock.Header()))
+
+			gethTxs := gethBlock.Transactions()
+			ipldTxs := ipldBlock.Transactions()
+
+			Expect(gethTxs.Len()).To(Equal(ipldTxs.Len()))
+			Expect(types.TxDifference(gethTxs, ipldTxs).Len()).To(Equal(0))
+		})
+
+		It("get block by hash", func() {
+			gethBlock, err := gethClient.BlockByHash(ctx, common.HexToHash(contract.BlockHash))
+			Expect(err).ToNot(HaveOccurred())
+
+			ipldBlock, err := ipldClient.BlockByHash(ctx, common.HexToHash(contract.BlockHash))
+			Expect(err).ToNot(HaveOccurred())
+
+			// check headers are equals
+			compareBlocks(gethBlock, ipldBlock)
+
+			gethTxs := gethBlock.Transactions()
+			ipldTxs := ipldBlock.Transactions()
+
+			Expect(gethTxs.Len()).To(Equal(ipldTxs.Len()))
+			Expect(types.TxDifference(gethTxs, ipldTxs).Len()).To(Equal(0))
+		})
+	})
+
+	Describe("Transaction", func() {
+		BeforeEach(func() {
+			if directProxyEthCalls {
+				Skip("skipping no-direct-proxy-forwarding integration tests")
+			}
+			contract, contractErr = integration.DeployContract()
+			time.Sleep(sleepInterval)
+		})
+
+		It("Get tx by hash", func() {
+			Expect(contractErr).ToNot(HaveOccurred())
+
+			gethTx, _, err := gethClient.TransactionByHash(ctx, common.HexToHash(contract.TransactionHash))
+			Expect(err).ToNot(HaveOccurred())
+
+			ipldTx, _, err := ipldClient.TransactionByHash(ctx, common.HexToHash(contract.TransactionHash))
+			Expect(err).ToNot(HaveOccurred())
+
+			compareTxs(gethTx, ipldTx)
+
+			Expect(gethTx.Hash()).To(Equal(ipldTx.Hash()))
+		})
+
+		It("Get tx by block hash and index", func() {
+			gethTx, err := gethClient.TransactionInBlock(ctx, common.HexToHash(contract.BlockHash), 0)
+			Expect(err).ToNot(HaveOccurred())
+
+			ipldTx, err := ipldClient.TransactionInBlock(ctx, common.HexToHash(contract.BlockHash), 0)
+			Expect(err).ToNot(HaveOccurred())
+
+			compareTxs(gethTx, ipldTx)
+		})
+	})
+
+	Describe("Receipt", func() {
+		BeforeEach(func() {
+			if directProxyEthCalls {
+				Skip("skipping no-direct-proxy-forwarding integration tests")
+			}
+			contract, contractErr = integration.DeployContract()
+			time.Sleep(sleepInterval)
+		})
+
+		It("Get tx receipt", func() {
+			Expect(contractErr).ToNot(HaveOccurred())
+
+			gethReceipt, err := gethClient.TransactionReceipt(ctx, common.HexToHash(contract.TransactionHash))
+			Expect(err).ToNot(HaveOccurred())
+
+			ipldReceipt, err := ipldClient.TransactionReceipt(ctx, common.HexToHash(contract.TransactionHash))
+			Expect(err).ToNot(HaveOccurred())
+
+			Expect(gethReceipt).To(Equal(ipldReceipt))
+
+			rlpGeth, err := rlp.EncodeToBytes(gethReceipt)
+			Expect(err).ToNot(HaveOccurred())
+
+			rlpIpld, err := rlp.EncodeToBytes(ipldReceipt)
+			Expect(err).ToNot(HaveOccurred())
+
+			Expect(rlpGeth).To(Equal(rlpIpld))
+		})
+	})
+
+	Describe("FilterLogs", func() {
+		BeforeEach(func() {
+			if directProxyEthCalls {
+				Skip("skipping no-direct-proxy-forwarding integration tests")
+			}
+			contract, contractErr = integration.DeployContract()
+			time.Sleep(sleepInterval)
+		})
+
+		It("with blockhash", func() {
+			Expect(contractErr).ToNot(HaveOccurred())
+
+			blockHash := common.HexToHash(contract.BlockHash)
+			filterQuery := ethereum.FilterQuery{
+				//Addresses: addresses,
+				BlockHash: &blockHash,
+				Topics:    [][]common.Hash{},
+			}
+
+			gethLogs, err := gethClient.FilterLogs(ctx, filterQuery)
+			Expect(err).ToNot(HaveOccurred())
+
+			ipldLogs, err := ipldClient.FilterLogs(ctx, filterQuery)
+			Expect(err).ToNot(HaveOccurred())
+
+			// not empty list
+			Expect(gethLogs).ToNot(BeEmpty())
+
+			Expect(len(gethLogs)).To(Equal(len(ipldLogs)))
+			Expect(gethLogs).To(Equal(ipldLogs))
+		})
+	})
+
+	Describe("CodeAt", func() {
+		BeforeEach(func() {
+			if directProxyEthCalls {
+				Skip("skipping no-direct-proxy-forwarding integration tests")
+			}
+			contract, contractErr = integration.DeployContract()
+			time.Sleep(sleepInterval)
+		})
+
+		It("gets code at non-existing address without block number", func() {
+			Expect(contractErr).ToNot(HaveOccurred())
+
+			gethCode, err := gethClient.CodeAt(ctx, common.HexToAddress(nonExistingAddress), nil)
+			Expect(err).ToNot(HaveOccurred())
+
+			ipldCode, err := ipldClient.CodeAt(ctx, common.HexToAddress(nonExistingAddress), nil)
+			Expect(err).ToNot(HaveOccurred())
+
+			Expect(gethCode).To(BeEmpty())
+			Expect(gethCode).To(Equal(ipldCode))
+		})
+		It("gets code of deployed contract without block number", func() {
+			gethCode, err := gethClient.CodeAt(ctx, common.HexToAddress(contract.Address), nil)
+			Expect(err).ToNot(HaveOccurred())
+
+			ipldCode, err := ipldClient.CodeAt(ctx, common.HexToAddress(contract.Address), nil)
+			Expect(err).ToNot(HaveOccurred())
+			Expect(gethCode).To(Equal(ipldCode))
+		})
+		It("gets code of deployed contract with block number", func() {
+			gethCode, err := gethClient.CodeAt(ctx, common.HexToAddress(contract.Address), big.NewInt(int64(contract.BlockNumber)))
+			Expect(err).ToNot(HaveOccurred())
+
+			ipldCode, err := ipldClient.CodeAt(ctx, common.HexToAddress(contract.Address), big.NewInt(int64(contract.BlockNumber)))
+			Expect(err).ToNot(HaveOccurred())
+			Expect(gethCode).To(Equal(ipldCode))
+		})
+		It("gets code of contract that doesn't exist at this height", func() {
+			gethCode, err := gethClient.CodeAt(ctx, common.HexToAddress(contract.Address), big.NewInt(int64(contract.BlockNumber-1)))
+			Expect(err).ToNot(HaveOccurred())
+
+			ipldCode, err := ipldClient.CodeAt(ctx, common.HexToAddress(contract.Address), big.NewInt(int64(contract.BlockNumber-1)))
+			Expect(err).ToNot(HaveOccurred())
+
+			Expect(gethCode).To(BeEmpty())
+			Expect(gethCode).To(Equal(ipldCode))
+		})
+	})
+
+	Describe("Get balance", func() {
+		address := "0x1111111111111111111111111111111111111112"
+		BeforeEach(func() {
+			if directProxyEthCalls {
+				Skip("skipping no-direct-proxy-forwarding integration tests")
+			}
+			tx, txErr = integration.SendEth(address, "0.01")
+			time.Sleep(sleepInterval)
+		})
+
+		It("gets balance for an account with eth without block number", func() {
+			Expect(txErr).ToNot(HaveOccurred())
+
+			gethBalance, err := gethClient.BalanceAt(ctx, common.HexToAddress(address), nil)
+			Expect(err).ToNot(HaveOccurred())
+
+			ipldBalance, err := ipldClient.BalanceAt(ctx, common.HexToAddress(address), nil)
+			Expect(err).ToNot(HaveOccurred())
+
+			Expect(gethBalance).To(Equal(ipldBalance))
+		})
+		It("gets balance for an account with eth with block number", func() {
+			Expect(txErr).ToNot(HaveOccurred())
+
+			gethBalance, err := gethClient.BalanceAt(ctx, common.HexToAddress(address), big.NewInt(int64(tx.BlockNumber)))
+			Expect(err).ToNot(HaveOccurred())
+
+			ipldBalance, err := ipldClient.BalanceAt(ctx, common.HexToAddress(address), big.NewInt(int64(tx.BlockNumber)))
+			Expect(err).ToNot(HaveOccurred())
+
+			Expect(gethBalance).To(Equal(ipldBalance))
+		})
+		It("gets historical balance for an account with eth with block number", func() {
+			Expect(txErr).ToNot(HaveOccurred())
+
+			gethBalance, err := gethClient.BalanceAt(ctx, common.HexToAddress(address), big.NewInt(int64(tx.BlockNumber-1)))
+			Expect(err).ToNot(HaveOccurred())
+
+			ipldBalance, err := ipldClient.BalanceAt(ctx, common.HexToAddress(address), big.NewInt(int64(tx.BlockNumber-1)))
+			Expect(err).ToNot(HaveOccurred())
+
+			Expect(gethBalance).To(Equal(ipldBalance))
+		})
+		It("gets balance for a non-existing account without block number", func() {
+			Expect(txErr).ToNot(HaveOccurred())
+
+			gethBalance, err := gethClient.BalanceAt(ctx, common.HexToAddress(nonExistingAddress), nil)
+			Expect(err).ToNot(HaveOccurred())
+
+			ipldBalance, err := ipldClient.BalanceAt(ctx, common.HexToAddress(nonExistingAddress), nil)
+			Expect(err).ToNot(HaveOccurred())
+
+			Expect(gethBalance).To(Equal(ipldBalance))
+		})
+		It("gets balance for an non-existing block number", func() {
+			Expect(txErr).ToNot(HaveOccurred())
+
+			gethBalance, err := gethClient.BalanceAt(ctx, common.HexToAddress(address), big.NewInt(int64(tx.BlockNumber+3)))
+			Expect(err).To(MatchError("header not found"))
+
+			ipldBalance, err := ipldClient.BalanceAt(ctx, common.HexToAddress(nonExistingAddress), big.NewInt(int64(tx.BlockNumber+3)))
+			Expect(err).To(MatchError("header not found"))
+
+			Expect(gethBalance).To(Equal(ipldBalance))
+		})
+	})
+
+	Describe("Get Storage", func() {
+		BeforeEach(func() {
+			if directProxyEthCalls {
+				Skip("skipping no-direct-proxy-forwarding integration tests")
+			}
+			contract, contractErr = integration.DeployContract()
+			erc20TotalSupply, bigIntResult = new(big.Int).SetString("1000000000000000000000", 10)
+
+			time.Sleep(sleepInterval)
+		})
+
+		It("gets ERC20 total supply (without block number)", func() {
+			Expect(contractErr).ToNot(HaveOccurred())
+			Expect(bigIntResult).To(Equal(true))
+
+			totalSupplyIndex := "0x2"
+
+			gethStorage, err := gethClient.StorageAt(ctx, common.HexToAddress(contract.Address), common.HexToHash(totalSupplyIndex), nil)
+			Expect(err).ToNot(HaveOccurred())
+
+			gethTotalSupply := new(big.Int).SetBytes(gethStorage)
+			Expect(gethTotalSupply).To(Equal(erc20TotalSupply))
+
+			ipldStorage, err := ipldClient.StorageAt(ctx, common.HexToAddress(contract.Address), common.HexToHash(totalSupplyIndex), nil)
+			Expect(err).ToNot(HaveOccurred())
+
+			ipldTotalSupply := new(big.Int).SetBytes(ipldStorage)
+			Expect(ipldTotalSupply).To(Equal(erc20TotalSupply))
+
+			Expect(gethStorage).To(Equal(ipldStorage))
+		})
+
+		It("gets ERC20 total supply (with block number)", func() {
+			totalSupplyIndex := "0x2"
+
+			gethStorage, err := gethClient.StorageAt(ctx, common.HexToAddress(contract.Address), common.HexToHash(totalSupplyIndex), big.NewInt(int64(contract.BlockNumber)))
+			Expect(err).ToNot(HaveOccurred())
+
+			gethTotalSupply := new(big.Int).SetBytes(gethStorage)
+			Expect(gethTotalSupply).To(Equal(erc20TotalSupply))
+
+			ipldStorage, err := ipldClient.StorageAt(ctx, common.HexToAddress(contract.Address), common.HexToHash(totalSupplyIndex), big.NewInt(int64(contract.BlockNumber)))
+			Expect(err).ToNot(HaveOccurred())
+			Expect(gethStorage).To(Equal(ipldStorage))
+		})
+		It("gets storage for non-existing account", func() {
+			totalSupplyIndex := "0x2"
+
+			gethStorage, err := gethClient.StorageAt(ctx, common.HexToAddress(nonExistingAddress), common.HexToHash(totalSupplyIndex), big.NewInt(int64(contract.BlockNumber)))
+			Expect(err).ToNot(HaveOccurred())
+
+			ipldStorage, err := ipldClient.StorageAt(ctx, common.HexToAddress(nonExistingAddress), common.HexToHash(totalSupplyIndex), big.NewInt(int64(contract.BlockNumber)))
+			Expect(err).ToNot(HaveOccurred())
+			Expect(gethStorage).To(Equal(ipldStorage))
+		})
+		It("gets storage for non-existing contract slot", func() {
+			gethStorage, err := gethClient.StorageAt(ctx, common.HexToAddress(contract.Address), randomHash, big.NewInt(int64(contract.BlockNumber)))
+			Expect(err).ToNot(HaveOccurred())
+
+			ipldStorage, err := ipldClient.StorageAt(ctx, common.HexToAddress(contract.Address), randomHash, big.NewInt(int64(contract.BlockNumber)))
+			Expect(err).ToNot(HaveOccurred())
+			Expect(gethStorage).To(Equal(ipldStorage))
+		})
+		It("gets storage for non-existing contract", func() {
+			totalSupplyIndex := "0x2"
+			gethStorage, err := gethClient.StorageAt(ctx, common.HexToAddress(contract.Address), common.HexToHash(totalSupplyIndex), big.NewInt(0))
+			Expect(err).ToNot(HaveOccurred())
+
+			ipldStorage, err := ipldClient.StorageAt(ctx, common.HexToAddress(contract.Address), common.HexToHash(totalSupplyIndex), big.NewInt(0))
+			Expect(err).ToNot(HaveOccurred())
+			Expect(gethStorage).To(Equal(ipldStorage))
+		})
+		It("gets storage for non-existing block number", func() {
+			blockNum := contract.BlockNumber + 100
+			totalSupplyIndex := "0x2"
+
+			gethStorage, err := gethClient.StorageAt(ctx, common.HexToAddress(contract.Address), common.HexToHash(totalSupplyIndex), big.NewInt(int64(blockNum)))
+			Expect(err).To(MatchError("header not found"))
+
+			ipldStorage, err := ipldClient.StorageAt(ctx, common.HexToAddress(contract.Address), common.HexToHash(totalSupplyIndex), big.NewInt(int64(blockNum)))
+			Expect(err).To(MatchError("header not found"))
+			Expect(gethStorage).To(Equal(ipldStorage))
+		})
+
+		It("get storage after self destruct", func() {
+			totalSupplyIndex := "0x2"
+
+			tx, err := integration.DestroyContract(contract.Address)
+			Expect(err).ToNot(HaveOccurred())
+
+			time.Sleep(sleepInterval)
+
+			gethStorage1, err := gethClient.StorageAt(ctx, common.HexToAddress(contract.Address), common.HexToHash(totalSupplyIndex), big.NewInt(tx.BlockNumber-1))
+			Expect(err).ToNot(HaveOccurred())
+			gethStorage2, err := gethClient.StorageAt(ctx, common.HexToAddress(contract.Address), common.HexToHash(totalSupplyIndex), big.NewInt(tx.BlockNumber))
+			Expect(err).ToNot(HaveOccurred())
+
+			Expect(gethStorage1).NotTo(Equal(gethStorage2))
+			Expect(gethStorage2).To(Equal(eth.EmptyNodeValue))
+
+			ipldStorage1, err := ipldClient.StorageAt(ctx, common.HexToAddress(contract.Address), common.HexToHash(totalSupplyIndex), big.NewInt(tx.BlockNumber-1))
+			Expect(err).ToNot(HaveOccurred())
+			ipldStorage2, err := ipldClient.StorageAt(ctx, common.HexToAddress(contract.Address), common.HexToHash(totalSupplyIndex), big.NewInt(tx.BlockNumber))
+			Expect(err).ToNot(HaveOccurred())
+
+			Expect(ipldStorage1).To(Equal(gethStorage1))
+			Expect(ipldStorage2).To(Equal(gethStorage2))
+
+			// Query the current block
+			ipldStorage3, err := ipldClient.StorageAt(ctx, common.HexToAddress(contract.Address), common.HexToHash(totalSupplyIndex), nil)
+			Expect(err).ToNot(HaveOccurred())
+
+			Expect(ipldStorage2).To(Equal(ipldStorage3))
+		})
+	})
+
+	Describe("eth call", func() {
+		BeforeEach(func() {
+			if directProxyEthCalls {
+				Skip("skipping no-direct-proxy-forwarding integration tests")
+			}
+			contract, contractErr = integration.DeployContract()
+			erc20TotalSupply, bigIntResult = new(big.Int).SetString("1000000000000000000000", 10)
+
+			time.Sleep(sleepInterval)
+		})
+
+		It("calls totalSupply() without block number", func() {
+			Expect(contractErr).ToNot(HaveOccurred())
+			Expect(bigIntResult).To(Equal(true))
+
+			contractAddress := common.HexToAddress(contract.Address)
+
+			msg := ethereum.CallMsg{
+				To:   &contractAddress,
+				Data: common.Hex2Bytes("18160ddd"), // totalSupply()
+			}
+			gethResult, err := gethClient.CallContract(ctx, msg, nil)
+			Expect(err).ToNot(HaveOccurred())
+
+			gethTotalSupply := new(big.Int).SetBytes(gethResult)
+			Expect(gethTotalSupply).To(Equal(erc20TotalSupply))
+
+			ipldResult, err := ipldClient.CallContract(ctx, msg, nil)
+			Expect(err).ToNot(HaveOccurred())
+
+			Expect(gethResult).To(Equal(ipldResult))
+		})
+
+		It("calls totalSupply() with block number", func() {
+			contractAddress := common.HexToAddress(contract.Address)
+
+			msg := ethereum.CallMsg{
+				To:   &contractAddress,
+				Data: common.Hex2Bytes("18160ddd"), // totalSupply()
+			}
+			gethResult, err := gethClient.CallContract(ctx, msg, big.NewInt(int64(contract.BlockNumber)))
+			Expect(err).ToNot(HaveOccurred())
+
+			gethTotalSupply := new(big.Int).SetBytes(gethResult)
+			Expect(gethTotalSupply).To(Equal(erc20TotalSupply))
+
+			ipldResult, err := ipldClient.CallContract(ctx, msg, big.NewInt(int64(contract.BlockNumber)))
+			Expect(err).ToNot(HaveOccurred())
+
+			Expect(gethResult).To(Equal(ipldResult))
+		})
+	})
+
+	Describe("Chain ID", func() {
+		It("Check chain id", func() {
+			if directProxyEthCalls {
+				Skip("skipping no-direct-proxy-forwarding integration tests")
+			}
+			gethChainId, err := gethClient.ChainID(ctx)
+			Expect(err).ToNot(HaveOccurred())
+
+			ipldChainId, err := ipldClient.ChainID(ctx)
+			Expect(err).ToNot(HaveOccurred())
+
+			Expect(gethChainId).To(Equal(ipldChainId))
+		})
+	})
+})
+
+func compareBlocks(block1 *types.Block, block2 *types.Block) {
+	Expect(block1.Header()).To(Equal(block2.Header()))
+	Expect(block1.Uncles()).To(Equal(block2.Uncles()))
+
+	txs1 := block1.Transactions()
+	txs2 := block2.Transactions()
+
+	Expect(len(txs1)).To(Equal(len(txs2)))
+	for i, tx := range txs1 {
+		compareTxs(tx, txs2[i])
+	}
+}
+
+func compareTxs(tx1 *types.Transaction, tx2 *types.Transaction) {
+	Expect(tx1.Data()).To(Equal(tx2.Data()))
+	Expect(tx1.Hash()).To(Equal(tx2.Hash()))
+	Expect(tx1.Size()).To(Equal(tx2.Size()))
+
+	signer := types.NewEIP155Signer(big.NewInt(4))
+
+	gethSender, err := types.Sender(signer, tx1)
+	Expect(err).ToNot(HaveOccurred())
+
+	ipldSender, err := types.Sender(signer, tx2)
+	Expect(err).ToNot(HaveOccurred())
+
+	Expect(gethSender).To(Equal(ipldSender))
+}

test_config/test_config.go

@@ -19,13 +19,12 @@ package test_config
 import (
 	"errors"
 
+	"github.com/ethereum/go-ethereum/statediff/indexer/postgres"
 	"github.com/sirupsen/logrus"
 	"github.com/spf13/viper"
-
-	"github.com/vulcanize/ipld-eth-indexer/pkg/postgres"
 )
 
-var DBConfig postgres.Config
+var DBConfig postgres.ConnectionParams
 
 func init() {
 	setTestConfig()
@@ -53,7 +52,7 @@ func setTestConfig() {
 	port := vip.GetInt("database.port")
 	name := vip.GetString("database.name")
 
-	DBConfig = postgres.Config{
+	DBConfig = postgres.ConnectionParams{
 		Hostname: hn,
 		Name:     name,
 		Port:     port,

version/version.go

@@ -19,10 +19,10 @@ package version
 import "fmt"
 
 const (
-	Major = 0       // Major version component of the current release
-	Minor = 3       // Minor version component of the current release
-	Patch = 1       // Patch version component of the current release
-	Meta  = "alpha" // Version metadata to append to the version string
+	Major = 0  // Major version component of the current release
+	Minor = 3  // Minor version component of the current release
+	Patch = 9  // Patch version component of the current release
+	Meta  = "" // Version metadata to append to the version string
 )
 
 // Version holds the textual version string.