Merge pull request #45 from vulcanize/fix

fix

.github/workflows/on-pr.yaml

@@ -10,3 +10,26 @@ jobs:
       - uses: actions/checkout@v2
       - name: Run docker build
         run: make docker-build
+  test:
+    name: Run integration tests
+    env:
+      GOPATH: /tmp/go
+    strategy:
+      matrix:
+        go-version: [1.14.x, 1.15.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 up -d 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

Makefile

@@ -11,8 +11,7 @@ $(BIN)/ginkgo:
 ## Migration tool
 GOOSE = $(BIN)/goose
 $(BIN)/goose:
-	go get -u -d github.com/pressly/goose/cmd/goose
-	go build -tags='no_mysql no_sqlite' -o $(BIN)/goose github.com/pressly/goose/cmd/goose
+	go get -u github.com/pressly/goose/cmd/goose
 
 ## Source linter
 LINT = $(BIN)/golint
@@ -46,31 +45,53 @@ HOST_NAME = localhost
 PORT = 5432
 NAME =
 USER = postgres
-CONNECT_STRING=postgresql://$(USER)@$(HOST_NAME):$(PORT)/$(NAME)?sslmode=disable
+PASSWORD = password
+CONNECT_STRING=postgresql://$(USER):$(PASSWORD)@$(HOST_NAME):$(PORT)/$(NAME)?sslmode=disable
 
 #Test
 TEST_DB = vulcanize_testing
-TEST_CONNECT_STRING = postgresql://$(USER)@$(HOST_NAME):$(PORT)/$(TEST_DB)?sslmode=disable
+TEST_CONNECT_STRING = postgresql://$(DATABASE_USER):$(DATABASE_PASSWORD)@$(DATABASE_HOSTNAME):$(DATABASE_PORT)/$(TEST_DB)?sslmode=disable
+TEST_CONNECT_STRING_LOCAL = postgresql://$(USER)@$(HOST_NAME):$(PORT)/$(TEST_DB)?sslmode=disable
 
 .PHONY: test
-test: | $(GINKGO) $(LINT)
+test: | $(GINKGO) $(GOOSE)
 	go vet ./...
 	go fmt ./...
-	dropdb --if-exists $(TEST_DB)
-	createdb $(TEST_DB)
+	export PGPASSWORD=$(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
-	$(GOOSE) -dir db/migrations postgres "$(TEST_CONNECT_STRING)" reset
-	make migrate NAME=$(TEST_DB)
 	$(GINKGO) -r --skipPackage=integration_tests,integration
 
 .PHONY: integrationtest
-integrationtest: | $(GINKGO) $(LINT)
+integrationtest: | $(GINKGO) $(GOOSE)
 	go vet ./...
 	go fmt ./...
-	dropdb --if-exists $(TEST_DB)
-	createdb $(TEST_DB)
-	$(GOOSE) -dir db/migrations "$(TEST_CONNECT_STRING)" up
-	$(GOOSE) -dir db/migrations "$(TEST_CONNECT_STRING)" reset
+	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/
+
+.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
+
+.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/
 

cmd/proxy.go

@@ -0,0 +1,125 @@
+package cmd
+
+import (
+	"errors"
+	"fmt"
+	"net/http"
+	"net/url"
+	"strings"
+
+	"github.com/ethereum/go-ethereum/rpc"
+	"github.com/sirupsen/logrus"
+	"github.com/spf13/cobra"
+	"github.com/spf13/viper"
+	"github.com/vulcanize/gap-filler/pkg/mux"
+)
+
+var ErrNoRpcEndpoints = errors.New("no rpc endpoints is available")
+
+// proxyCmd represents the proxy command
+var proxyCmd = &cobra.Command{
+	Use:   "proxy",
+	Short: "serve chain data from PG-IPFS or proxy geths",
+	Long: `This command configures a VulcanizeDB ipld-eth-server graphql server.
+
+`,
+	Run: func(cmd *cobra.Command, args []string) {
+		subCommand = cmd.CalledAs()
+		logWithCommand = *logrus.WithField("SubCommand", subCommand)
+		proxy()
+	},
+}
+
+func proxy() {
+	gqlDefaultAddr, err := url.Parse(viper.GetString("gql.default"))
+	if err != nil {
+		logWithCommand.Fatal(err)
+	}
+
+	gqlTracingAPIAddr, err := url.Parse(viper.GetString("gql.tracing"))
+	if err != nil {
+		logWithCommand.Fatal(err)
+	}
+
+	rpcClients, err := parseRpcAddresses(viper.GetString("rpc.eth"))
+	if err != nil {
+		logrus.Error("bad rpc.eth addresses")
+		logWithCommand.Fatal(err)
+	}
+
+	tracingClients, err := parseRpcAddresses(viper.GetString("rpc.tracing"))
+	if err != nil {
+		logrus.Error("bad rpc.tracing addresses")
+		logWithCommand.Fatal(err)
+	}
+
+	router, err := mux.NewServeMux(&mux.Options{
+		BasePath:       viper.GetString("http.path"),
+		EnableGraphiQL: viper.GetBool("gql.gui"),
+		Postgraphile: mux.PostgraphileOptions{
+			Default:    gqlDefaultAddr,
+			TracingAPI: gqlTracingAPIAddr,
+		},
+		RPC: mux.RPCOptions{
+			DefaultClients: rpcClients,
+			TracingClients: tracingClients,
+		},
+	})
+	if err != nil {
+		logWithCommand.Fatal(err)
+	}
+
+	addr := fmt.Sprintf("%s:%s", viper.GetString("http.host"), viper.GetString("http.port"))
+	if err := http.ListenAndServe(addr, router); err != nil {
+		logWithCommand.Fatal(err)
+	}
+}
+
+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(proxyCmd)
+
+	// flags
+	proxyCmd.PersistentFlags().String("http-host", "127.0.0.1", "http host")
+	proxyCmd.PersistentFlags().String("http-port", "8083", "http port")
+	proxyCmd.PersistentFlags().String("http-path", "/", "http base path")
+
+	proxyCmd.PersistentFlags().String("rpc-eth", "http://127.0.0.1:8545", "comma separated ethereum rpc addresses. Example http://127.0.0.1:8545,http://127.0.0.2:8545")
+	proxyCmd.PersistentFlags().String("rpc-tracing", "http://127.0.0.1:8000", "comma separated traicing api addresses")
+
+	proxyCmd.PersistentFlags().String("gql-default", "http://127.0.0.1:5020/graphql", "postgraphile address")
+	proxyCmd.PersistentFlags().String("gql-tracing", "http://127.0.0.1:5020/graphql", "tracing api postgraphile address")
+	proxyCmd.PersistentFlags().Bool("gql-gui", false, "enable graphiql interface")
+
+	// and their .toml config bindings
+	viper.BindPFlag("http.host", proxyCmd.PersistentFlags().Lookup("http-host"))
+	viper.BindPFlag("http.port", proxyCmd.PersistentFlags().Lookup("http-port"))
+	viper.BindPFlag("http.path", proxyCmd.PersistentFlags().Lookup("http-path"))
+
+	viper.BindPFlag("rpc.eth", proxyCmd.PersistentFlags().Lookup("rpc-eth"))
+	viper.BindPFlag("rpc.tracing", proxyCmd.PersistentFlags().Lookup("rpc-tracing"))
+
+	viper.BindPFlag("gql.default", proxyCmd.PersistentFlags().Lookup("gql-default"))
+	viper.BindPFlag("gql.tracing", proxyCmd.PersistentFlags().Lookup("gql-tracing"))
+	viper.BindPFlag("gql.gui", proxyCmd.PersistentFlags().Lookup("gql-gui"))
+}

cmd/serve.go

@@ -98,7 +98,7 @@ func startServers(server s.Server, settings *s.Config) error {
 		return err
 	}
 	logWithCommand.Info("starting up HTTP server")
-	_, _, err = srpc.StartHTTPEndpoint(settings.HTTPEndpoint, server.APIs(), []string{"eth"}, nil, []string{"*"}, rpc.HTTPTimeouts{})
+	_, err = srpc.StartHTTPEndpoint(settings.HTTPEndpoint, server.APIs(), []string{"eth", "net"}, nil, []string{"*"}, rpc.HTTPTimeouts{})
 	return err
 }
 
@@ -137,6 +137,8 @@ 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 or not the proxy ethereum client supports statediffing endpoints")
 
 	// and their bindings
 	viper.BindPFlag("server.graphql", serveCmd.PersistentFlags().Lookup("server-graphql"))
@@ -153,4 +155,6 @@ 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"))
 }

db/migrations/00002_create_nodes_table.sql

@@ -5,7 +5,8 @@ CREATE TABLE nodes (
   genesis_block VARCHAR(66),
   network_id    VARCHAR,
   node_id       VARCHAR(128),
-  CONSTRAINT node_uc UNIQUE (genesis_block, network_id, node_id)
+  chain_id      INTEGER DEFAULT 1,
+  CONSTRAINT node_uc UNIQUE (genesis_block, network_id, node_id, chain_id)
 );
 
 -- +goose Down

db/migrations/00006_create_eth_transaction_cids_table.sql

@@ -8,7 +8,6 @@ CREATE TABLE eth.transaction_cids (
   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)
 );

db/migrations/00007_create_eth_receipt_cids_table.sql

@@ -11,6 +11,8 @@ CREATE TABLE eth.receipt_cids (
   topic2s               VARCHAR(66)[],
   topic3s               VARCHAR(66)[],
   log_contracts         VARCHAR(66)[],
+  post_state            VARCHAR(66),
+  post_status           INTEGER,
   UNIQUE (tx_id)
 );
 

db/migrations/00008_create_eth_state_cids_table.sql

@@ -1,6 +1,6 @@
 -- +goose Up
 CREATE TABLE eth.state_cids (
-  id                    SERIAL PRIMARY KEY,
+  id                    BIGSERIAL 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,

db/migrations/00009_create_eth_storage_cids_table.sql

@@ -1,7 +1,7 @@
 -- +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,
+  id                    BIGSERIAL PRIMARY KEY,
+  state_id              BIGINT 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,

db/migrations/00010_create_eth_state_accouts_table.sql

@@ -1,7 +1,7 @@
 -- +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,
+  state_id              BIGINT 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,

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/00014_create_stored_functions.sql

@@ -1,34 +1,69 @@
 -- +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 StatementBegin
 CREATE TYPE child_result AS (
-  has_child BOOLEAN,
-  children eth.header_cids[]
+    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;
+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
+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
+              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
+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 LOOP;
+END IF;
+RETURN new_child_result;
 END
 $BODY$
 LANGUAGE 'plpgsql';
@@ -38,7 +73,7 @@ LANGUAGE 'plpgsql';
 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_header eth.header_cids;
   canonical_child eth.header_cids;
   header eth.header_cids;
   current_child_result child_result;
@@ -57,25 +92,25 @@ BEGIN
       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;
+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
+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
+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;
+SELECT * INTO canonical_header FROM unnest(headers)
+WHERE block_hash = canonical_child.parent_hash;
+END IF;
+RETURN canonical_header;
 END
 $BODY$
 LANGUAGE 'plpgsql';
@@ -85,17 +120,17 @@ LANGUAGE 'plpgsql';
 CREATE OR REPLACE FUNCTION canonical_header_id(height BIGINT) RETURNS INTEGER AS
 $BODY$
 DECLARE
-  canonical_header eth.header_cids;
+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
+FOR temp_header IN
+SELECT * FROM eth.header_cids WHERE block_number = height
+    LOOP
     headers = array_append(headers, temp_header);
-  END LOOP;
+END LOOP;
   -- count the number of headers collected
   header_count = array_length(headers, 1);
   -- if we have less than 1 header, return NULL
@@ -105,17 +140,19 @@ BEGIN
   ELSIF header_count = 1 THEN
     RETURN headers[1].id;
   -- if we have multiple headers we need to determine which one is canonical
-  ELSE
+ELSE
     canonical_header = canonical_header_from_array(headers);
-    RETURN canonical_header.id;
-  END IF;
+RETURN canonical_header.id;
+END IF;
 END;
 $BODY$
 LANGUAGE 'plpgsql';
 -- +goose StatementEnd
 
 -- +goose Down
+DROP FUNCTION was_storage_removed;
+DROP FUNCTION was_state_removed;
 DROP FUNCTION canonical_header_id;
 DROP FUNCTION canonical_header_from_array;
 DROP FUNCTION has_child;
-DROP TYPE child_result;
+DROP TYPE child_result;

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/schema.sql

@@ -103,33 +103,6 @@ end;
 $_$;
 
 
---
--- Name: canonical_header(bigint); Type: FUNCTION; Schema: public; Owner: -
---
-
-CREATE FUNCTION public.canonical_header(height bigint) RETURNS integer
-    LANGUAGE plpgsql
-    AS $$
-DECLARE
-  current_weight INT;
-  heaviest_weight INT DEFAULT 0;
-  heaviest_id INT;
-  r eth.header_cids%ROWTYPE;
-BEGIN
-  FOR r IN SELECT * FROM eth.header_cids
-  WHERE block_number = height
-  LOOP
-    SELECT INTO current_weight * FROM header_weight(r.block_hash);
-    IF current_weight > heaviest_weight THEN
-        heaviest_weight := current_weight;
-        heaviest_id := r.id;
-    END IF;
-  END LOOP;
-  RETURN heaviest_id;
-END
-$$;
-
-
 --
 -- Name: canonical_header_from_array(eth.header_cids[]); Type: FUNCTION; Schema: public; Owner: -
 --
@@ -138,7 +111,7 @@ CREATE FUNCTION public.canonical_header_from_array(headers eth.header_cids[]) RE
     LANGUAGE plpgsql
     AS $$
 DECLARE
-  canonical_header eth.header_cids;
+canonical_header eth.header_cids;
   canonical_child eth.header_cids;
   header eth.header_cids;
   current_child_result child_result;
@@ -157,25 +130,25 @@ BEGIN
       current_header_with_child = header;
       -- and add the children to the growing set of child headers
       child_headers = array_cat(child_headers, current_child_result.children);
-    END IF;
-  END LOOP;
+END IF;
+END LOOP;
   -- if none of the headers had children, none is more canonical than the other
   IF has_children_count = 0 THEN
     -- return the first one selected
-    SELECT * INTO canonical_header FROM unnest(headers) LIMIT 1;
-  -- if only one header had children, it can be considered the heaviest/canonical header of the set
-  ELSIF has_children_count = 1 THEN
+SELECT * INTO canonical_header FROM unnest(headers) LIMIT 1;
+-- if only one header had children, it can be considered the heaviest/canonical header of the set
+ELSIF has_children_count = 1 THEN
     -- return the only header with a child
     canonical_header = current_header_with_child;
   -- if there are multiple headers with children
-  ELSE
+ELSE
     -- find the canonical header from the child set
     canonical_child = canonical_header_from_array(child_headers);
     -- the header that is parent to this header, is the canonical header at this level
-    SELECT * INTO canonical_header FROM unnest(headers)
-    WHERE block_hash = canonical_child.parent_hash;
-  END IF;
-  RETURN canonical_header;
+SELECT * INTO canonical_header FROM unnest(headers)
+WHERE block_hash = canonical_child.parent_hash;
+END IF;
+RETURN canonical_header;
 END
 $$;
 
@@ -188,17 +161,17 @@ CREATE FUNCTION public.canonical_header_id(height bigint) RETURNS integer
     LANGUAGE plpgsql
     AS $$
 DECLARE
-  canonical_header eth.header_cids;
+canonical_header eth.header_cids;
   headers eth.header_cids[];
   header_count INT;
   temp_header eth.header_cids;
 BEGIN
   -- collect all headers at this height
-  FOR temp_header IN
-    SELECT * FROM eth.header_cids WHERE block_number = height
-  LOOP
+FOR temp_header IN
+SELECT * FROM eth.header_cids WHERE block_number = height
+    LOOP
     headers = array_append(headers, temp_header);
-  END LOOP;
+END LOOP;
   -- count the number of headers collected
   header_count = array_length(headers, 1);
   -- if we have less than 1 header, return NULL
@@ -208,10 +181,10 @@ BEGIN
   ELSIF header_count = 1 THEN
     RETURN headers[1].id;
   -- if we have multiple headers we need to determine which one is canonical
-  ELSE
+ELSE
     canonical_header = canonical_header_from_array(headers);
-    RETURN canonical_header.id;
-  END IF;
+RETURN canonical_header.id;
+END IF;
 END;
 $$;
 
@@ -224,53 +197,31 @@ CREATE FUNCTION public.has_child(hash character varying, height bigint) RETURNS
     LANGUAGE plpgsql
     AS $$
 DECLARE
-  child_height INT;
+child_height INT;
   temp_child eth.header_cids;
   new_child_result child_result;
 BEGIN
   child_height = height + 1;
   -- short circuit if there are no children
-  SELECT exists(SELECT 1
-                FROM eth.header_cids
-                WHERE parent_hash = hash
+SELECT exists(SELECT 1
+              FROM eth.header_cids
+              WHERE parent_hash = hash
                 AND block_number = child_height
-                LIMIT 1)
-  INTO new_child_result.has_child;
-  -- collect all the children for this header
-  IF new_child_result.has_child THEN
+              LIMIT 1)
+INTO new_child_result.has_child;
+-- collect all the children for this header
+IF new_child_result.has_child THEN
     FOR temp_child IN
-      SELECT * FROM eth.header_cids WHERE parent_hash = hash AND block_number = child_height
+SELECT * FROM eth.header_cids WHERE parent_hash = hash AND block_number = child_height
     LOOP
       new_child_result.children = array_append(new_child_result.children, temp_child);
-    END LOOP;
-  END IF;
-  RETURN new_child_result;
+END LOOP;
+END IF;
+RETURN new_child_result;
 END
 $$;
 
 
---
--- Name: header_weight(character varying); Type: FUNCTION; Schema: public; Owner: -
---
-
-CREATE FUNCTION public.header_weight(hash character varying) RETURNS bigint
-    LANGUAGE sql
-    AS $$
-  WITH RECURSIVE validator AS (
-          SELECT block_hash, parent_hash, block_number
-          FROM eth.header_cids
-          WHERE block_hash = hash
-      UNION
-          SELECT eth.header_cids.block_hash, eth.header_cids.parent_hash, eth.header_cids.block_number
-          FROM eth.header_cids
-          INNER JOIN validator
-            ON eth.header_cids.parent_hash = validator.block_hash
-            AND eth.header_cids.block_number = validator.block_number + 1
-  )
-  SELECT COUNT(*) FROM validator;
-$$;
-
-
 --
 -- Name: was_state_removed(bytea, bigint, character varying); Type: FUNCTION; Schema: public; Owner: -
 --
@@ -278,16 +229,16 @@ $$;
 CREATE FUNCTION public.was_state_removed(path bytea, height bigint, hash character varying) RETURNS boolean
     LANGUAGE sql
     AS $$
-  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);
+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);
 $$;
 
 
@@ -298,17 +249,17 @@ $$;
 CREATE FUNCTION public.was_storage_removed(path bytea, height bigint, hash character varying) RETURNS boolean
     LANGUAGE sql
     AS $$
-  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);
+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);
 $$;
 
 
@@ -347,7 +298,9 @@ CREATE TABLE eth.receipt_cids (
     topic1s character varying(66)[],
     topic2s character varying(66)[],
     topic3s character varying(66)[],
-    log_contracts character varying(66)[]
+    log_contracts character varying(66)[],
+    post_state character varying(66),
+    post_status integer
 );
 
 
@@ -426,7 +379,6 @@ CREATE TABLE eth.state_cids (
 --
 
 CREATE SEQUENCE eth.state_cids_id_seq
-    AS integer
     START WITH 1
     INCREMENT BY 1
     NO MINVALUE
@@ -462,7 +414,6 @@ CREATE TABLE eth.storage_cids (
 --
 
 CREATE SEQUENCE eth.storage_cids_id_seq
-    AS integer
     START WITH 1
     INCREMENT BY 1
     NO MINVALUE

environments/example.toml

@@ -20,6 +20,7 @@
     defaultSender = "" # $ETH_DEFAULT_SENDER_ADDR
     rpcGasCap = "1000000000000" # $ETH_RPC_GAS_CAP
     httpPath = "127.0.0.1:8545" # $ETH_HTTP_PATH
+    supportsStateDiff = true # $ETH_SUPPORTS_STATEDIFF
     nodeID = "arch1" # $ETH_NODE_ID
     clientName = "Geth" # $ETH_CLIENT_NAME
     genesisBlock = "0xd4e56740f876aef8c010b86a40d5f56745a118d0906a34e69aec8c0db1cb8fa3" # $ETH_GENESIS_BLOCK

go.mod

@@ -3,24 +3,28 @@ module github.com/vulcanize/ipld-eth-server
 go 1.13
 
 require (
-	github.com/ethereum/go-ethereum v1.9.11
+	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/ipfs/go-cid v0.0.5
-	github.com/ipfs/go-ipfs-blockstore v1.0.0
+	github.com/ipfs/go-cid v0.0.7
+	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 v1.5.2
-	github.com/multiformats/go-multihash v0.0.13
-	github.com/onsi/ginkgo v1.12.1
+	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/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 v0.6.0-alpha
-	github.com/vulcanize/pg-ipfs-ethdb v0.0.1-alpha
+	github.com/vulcanize/ipld-eth-indexer v0.7.1-alpha
+	github.com/vulcanize/gap-filler v0.3.1
+	github.com/vulcanize/ipfs-ethdb v0.0.2-alpha
+	golang.org/x/sys v0.0.0-20210218155724-8ebf48af031b // indirect
 )
 
-replace github.com/ethereum/go-ethereum v1.9.11 => github.com/vulcanize/go-ethereum v1.9.11-statediff-0.0.8
+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

go.sum

@@ -45,6 +45,8 @@ github.com/Stebalien/go-bitfield v0.0.0-20180330043415-076a62f9ce6e/go.mod h1:3o
 github.com/Stebalien/go-bitfield v0.0.1/go.mod h1:GNjFpasyUVkHMsfEOk8EFLJ9syQ6SI+XWrX9Wf2XH0s=
 github.com/VictoriaMetrics/fastcache v1.5.3 h1:2odJnXLbFZcoV9KYtQ+7TH1UOq3dn3AssMgieaezkR4=
 github.com/VictoriaMetrics/fastcache v1.5.3/go.mod h1:+jv9Ckb+za/P1ZRg/sulP5Ni1v49daAVERr0H3CuscE=
+github.com/VictoriaMetrics/fastcache v1.5.7 h1:4y6y0G8PRzszQUYIQHHssv/jgPHAb5qQuuDNdCbyAgw=
+github.com/VictoriaMetrics/fastcache v1.5.7/go.mod h1:ptDBkNMQI4RtmVo8VS/XwRY6RoTu1dAWCbrk+6WsEM8=
 github.com/aead/siphash v1.0.1/go.mod h1:Nywa3cDsYNNK3gaciGTWPwHt0wlpNV15vwmswBAUSII=
 github.com/alangpierce/go-forceexport v0.0.0-20160317203124-8f1d6941cd75/go.mod h1:uAXEEpARkRhCZfEvy/y0Jcc888f9tHCc1W7/UeEtreE=
 github.com/alecthomas/template v0.0.0-20160405071501-a0175ee3bccc/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc=
@@ -132,12 +134,17 @@ github.com/dgryski/go-sip13 v0.0.0-20181026042036-e10d5fee7954/go.mod h1:vAd38F8
 github.com/dlclark/regexp2 v1.2.0/go.mod h1:2pZnwuY/m+8K6iRw6wQdMtk+rH5tNGR1i55kozfMjCc=
 github.com/docker/docker v1.4.2-0.20180625184442-8e610b2b55bf/go.mod h1:eEKB0N0r5NX/I1kEveEz05bcu8tLC/8azJZsviup8Sk=
 github.com/dop251/goja v0.0.0-20200106141417-aaec0e7bde29/go.mod h1:Mw6PkjjMXWbTj+nnj4s3QPXq1jaT0s5pC0iFD4+BOAA=
+github.com/dop251/goja v0.0.0-20200219165308-d1232e640a87/go.mod h1:Mw6PkjjMXWbTj+nnj4s3QPXq1jaT0s5pC0iFD4+BOAA=
+github.com/dop251/goja v0.0.0-20200721192441-a695b0cdd498/go.mod h1:Mw6PkjjMXWbTj+nnj4s3QPXq1jaT0s5pC0iFD4+BOAA=
 github.com/dustin/go-humanize v1.0.0/go.mod h1:HtrtbFcZ19U5GC7JDqmcUSB87Iq5E25KnS6fMYU6eOk=
+github.com/dvyukov/go-fuzz v0.0.0-20200318091601-be3528f3a813/go.mod h1:11Gm+ccJnvAhCNLlf5+cS9KjtbaD5I5zaZpFMsTHWTw=
 github.com/edsrzf/mmap-go v0.0.0-20160512033002-935e0e8a636c h1:JHHhtb9XWJrGNMcrVP6vyzO4dusgi/HnceHTgxSejUM=
 github.com/edsrzf/mmap-go v0.0.0-20160512033002-935e0e8a636c/go.mod h1:YO35OhQPt3KJa3ryjFM5Bs14WD66h8eGKpfaBNrHW5M=
 github.com/elastic/gosigar v0.8.1-0.20180330100440-37f05ff46ffa h1:XKAhUk/dtp+CV0VO6mhG2V7jA9vbcGcnYF/Ay9NjZrY=
 github.com/elastic/gosigar v0.8.1-0.20180330100440-37f05ff46ffa/go.mod h1:cdorVVzy1fhmEqmtgqkoE3bYtCfSCkVyjTyCIo22xvs=
 github.com/elgris/jsondiff v0.0.0-20160530203242-765b5c24c302/go.mod h1:qBlWZqWeVx9BjvqBsnC/8RUlAYpIFmPvgROcw0n1scE=
+github.com/ethereum/go-ethereum v1.9.11/go.mod h1:7oC0Ni6dosMv5pxMigm6s0hN8g4haJMBnqmmo0D9YfQ=
+github.com/ethereum/go-ethereum v1.9.15/go.mod h1:slT8bPPRhXsyNTwHQxrOnjuTZ1sDXRajW11EkJ84QJ0=
 github.com/facebookgo/atomicfile v0.0.0-20151019160806-2de1f203e7d5/go.mod h1:JpoxHjuQauoxiFMl1ie8Xc/7TfLuMZ5eOCONd1sUBHg=
 github.com/fatih/color v1.3.0/go.mod h1:Zm6kSWBoL9eyXnKyktHP6abPY2pDugNf5KwzbycvMj4=
 github.com/fatih/color v1.7.0/go.mod h1:Zm6kSWBoL9eyXnKyktHP6abPY2pDugNf5KwzbycvMj4=
@@ -147,6 +154,8 @@ github.com/fjl/memsize v0.0.0-20180418122429-ca190fb6ffbc h1:jtW8jbpkO4YirRSyepB
 github.com/fjl/memsize v0.0.0-20180418122429-ca190fb6ffbc/go.mod h1:VvhXpOYNQvB+uIk2RvXzuaQtkQJzzIx6lSBe1xv7hi0=
 github.com/flynn/go-shlex v0.0.0-20150515145356-3f9db97f8568/go.mod h1:xEzjJPgXI435gkrCt3MPfRiAkVrwSbHsst4LCFVfpJc=
 github.com/francoispqt/gojay v1.2.13/go.mod h1:ehT5mTG4ua4581f1++1WLG0vPdaA9HaiDsoyrBGkyDY=
+github.com/friendsofgo/graphiql v0.2.2 h1:ccnuxpjgIkB+Lr9YB2ZouiZm7wvciSfqwpa9ugWzmn0=
+github.com/friendsofgo/graphiql v0.2.2/go.mod h1:8Y2kZ36AoTGWs78+VRpvATyt3LJBx0SZXmay80ZTRWo=
 github.com/fsnotify/fsnotify v1.4.7/go.mod h1:jwhsz4b93w/PPRr/qN1Yymfu8t87LnFCMoQvtojpjFo=
 github.com/fsnotify/fsnotify v1.4.9 h1:hsms1Qyu0jgnwNXIxa+/V/PDsU6CfLf6CNO8H7IWoS4=
 github.com/fsnotify/fsnotify v1.4.9/go.mod h1:znqG4EE+3YCdAaPaxE2ZRY/06pZUdp0tY4IgpuI1SZQ=
@@ -169,6 +178,7 @@ github.com/go-stack/stack v1.8.0 h1:5SgMzNM5HxrEjV0ww2lTmX6E2Izsfxas4+YHWRs3Lsk=
 github.com/go-stack/stack v1.8.0/go.mod h1:v0f6uXyyMGvRgIKkXu+yp6POWl0qKG85gN/melR3HDY=
 github.com/godbus/dbus/v5 v5.0.3/go.mod h1:xhWf0FNVPg57R7Z0UbKHbJfkEywrmjJnf7w5xrFpKfA=
 github.com/gogo/protobuf v1.1.1/go.mod h1:r8qH/GZQm5c6nD/R0oafs1akxWv10x8SbQlK7atdtwQ=
+github.com/gogo/protobuf v1.2.1 h1:/s5zKNz0uPFCZ5hddgPdo2TK2TVrUNMn0OOX8/aZMTE=
 github.com/gogo/protobuf v1.2.1/go.mod h1:hp+jE20tsWTFYpLwKvXlhS1hjn+gTNwPg2I6zVXpSg4=
 github.com/gogo/protobuf v1.3.0/go.mod h1:SlYgWuQ5SjCEi6WLHjHCa1yvBfUnHcTbrrZtXPKa29o=
 github.com/gogo/protobuf v1.3.1 h1:DqDEcV5aeaTmdFBePNpYsp3FlcVH/2ISVVM9Qf8PSls=
@@ -196,6 +206,8 @@ github.com/golang/protobuf v1.4.2/go.mod h1:oDoupMAO8OvCJWAcko0GGGIgR6R6ocIYbsSw
 github.com/golang/snappy v0.0.0-20180518054509-2e65f85255db/go.mod h1:/XxbfmMg8lxefKM7IXC3fBNl/7bRcc72aCRzEWrmP2Q=
 github.com/golang/snappy v0.0.1 h1:Qgr9rKW7uDUkrbSmQeiDsGa8SjGyCOGtuasMWwvp2P4=
 github.com/golang/snappy v0.0.1/go.mod h1:/XxbfmMg8lxefKM7IXC3fBNl/7bRcc72aCRzEWrmP2Q=
+github.com/golang/snappy v0.0.3-0.20201103224600-674baa8c7fc3 h1:ur2rms48b3Ep1dxh7aUV2FZEQ8jEVO2F6ILKx8ofkAg=
+github.com/golang/snappy v0.0.3-0.20201103224600-674baa8c7fc3/go.mod h1:/XxbfmMg8lxefKM7IXC3fBNl/7bRcc72aCRzEWrmP2Q=
 github.com/google/btree v0.0.0-20180813153112-4030bb1f1f0c/go.mod h1:lNA+9X1NB3Zf8V7Ke586lFgjr2dZNuvo3lPJSGZ5JPQ=
 github.com/google/btree v1.0.0/go.mod h1:lNA+9X1NB3Zf8V7Ke586lFgjr2dZNuvo3lPJSGZ5JPQ=
 github.com/google/go-cmp v0.2.0/go.mod h1:oXzfMopK8JAjlY9xF4vHSVASa0yLyX7SntLO5aqRK0M=
@@ -205,6 +217,7 @@ github.com/google/go-cmp v0.4.0/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/
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@@ -226,6 +239,8 @@ github.com/gorilla/websocket v1.4.2/go.mod h1:YR8l580nyteQvAITg2hZ9XVh4b55+EU/ad
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@@ -260,6 +275,8 @@ github.com/hashicorp/logutils v1.0.0/go.mod h1:QIAnNjmIWmVIIkWDTG1z5v++HQmx9WQRO
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@@ -267,6 +284,7 @@ github.com/huin/goupnp v1.0.0 h1:wg75sLpL6DZqwHQN6E1Cfk6mtfzS45z8OV+ic+DtHRo=
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@@ -286,6 +304,7 @@ github.com/ipfs/go-blockservice v0.0.7/go.mod h1:EOfb9k/Y878ZTRY/CH0x5+ATtaipfbR
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@@ -293,6 +312,8 @@ github.com/ipfs/go-cid v0.0.3/go.mod h1:GHWU/WuQdMPmIosc4Yn1bcCT7dSeX4lBafM7iqUP
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@@ -302,6 +323,8 @@ github.com/ipfs/go-datastore v0.3.0/go.mod h1:w38XXW9kVFNp57Zj5knbKWM2T+KOZCGDRV
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@@ -327,6 +350,8 @@ github.com/ipfs/go-ipfs-blockstore v0.1.0/go.mod h1:5aD0AvHPi7mZc6Ci1WCAhiBQu2Is
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@@ -338,6 +363,7 @@ github.com/ipfs/go-ipfs-ds-help v0.0.1/go.mod h1:gtP9xRaZXqIQRh1HRpp595KbBEdgqWF
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@@ -364,6 +390,7 @@ github.com/ipfs/go-ipld-format v0.2.0 h1:xGlJKkArkmBvowr+GMCX0FEZtkro71K1AwiKnL3
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@@ -397,6 +424,7 @@ github.com/ipfs/go-unixfs v0.0.4/go.mod h1:eIo/p9ADu/MFOuyxzwU+Th8D6xoxU//r590vU
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@@ -405,6 +433,7 @@ github.com/ipld/go-ipld-prime-proto v0.0.0-20191113031812-e32bd156a1e5/go.mod h1
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@@ -414,13 +443,18 @@ github.com/jbenet/go-is-domain v1.0.3/go.mod h1:xbRLRb0S7FgzDBTJlguhDVwLYM/5yNtv
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@@ -454,6 +488,8 @@ github.com/kylelemons/godebug v1.1.0/go.mod h1:9/0rRGxNHcop5bhtWyNeEfOS8JIWk580+
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@@ -670,7 +706,9 @@ github.com/marten-seemann/qpack v0.1.0/go.mod h1:LFt1NU/Ptjip0C2CPkhimBz5CGE3WGD
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@@ -679,11 +717,14 @@ github.com/mattn/go-ieproxy v0.0.0-20190702010315-6dee0af9227d/go.mod h1:31jz6HN
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@@ -701,6 +742,7 @@ github.com/minio/blake2b-simd v0.0.0-20160723061019-3f5f724cb5b1/go.mod h1:pD8Rv
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@@ -724,6 +766,8 @@ github.com/mr-tron/base58 v1.1.3 h1:v+sk57XuaCKGXpWtVBX8YJzO7hMGx4Aajh4TQbdEFdc=
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@@ -747,6 +791,8 @@ github.com/multiformats/go-multiaddr-net v0.1.5/go.mod h1:ilNnaM9HbmVFqsb/qcNysj
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@@ -756,6 +802,8 @@ github.com/multiformats/go-multihash v0.0.9/go.mod h1:YSLudS+Pi8NHE7o6tb3D8vrpKa
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@@ -782,6 +832,9 @@ github.com/onsi/ginkgo v1.11.0/go.mod h1:lLunBs/Ym6LB5Z9jYTR76FiuTmxDTDusOGeTQH+
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@@ -798,8 +851,10 @@ github.com/pborman/uuid v0.0.0-20170112150404-1b00554d8222 h1:goeTyGkArOZIVOMA0d
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@@ -839,15 +894,20 @@ github.com/rjeczalik/notify v0.9.1 h1:CLCKso/QK1snAlnhNR/CNvNiFU2saUtjV0bx3EwNeC
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@@ -924,6 +990,8 @@ github.com/subosito/gotenv v1.2.0/go.mod h1:N0PQaV/YGNqwC0u51sEeR/aUtSLEXKX9iv69
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@@ -933,20 +1001,30 @@ github.com/tyler-smith/go-bip39 v1.0.1-0.20181017060643-dbb3b84ba2ef/go.mod h1:s
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@@ -954,6 +1032,7 @@ github.com/whyrusleeping/base32 v0.0.0-20170828182744-c30ac30633cc/go.mod h1:r45
 github.com/whyrusleeping/cbor-gen v0.0.0-20200123233031-1cdf64d27158/go.mod h1:Xj/M2wWU+QdTdRbu/L/1dIZY8/Wb2K9pAhtroQuxJJI=
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@@ -974,6 +1053,7 @@ github.com/wsddn/go-ecdh v0.0.0-20161211032359-48726bab9208/go.mod h1:IotVbo4F+m
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@@ -1018,14 +1098,19 @@ golang.org/x/crypto v0.0.0-20190605123033-f99c8df09eb5/go.mod h1:yigFU9vqHzYiE8U
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@@ -1039,11 +1124,15 @@ golang.org/x/lint v0.0.0-20190409202823-959b441ac422/go.mod h1:6SW0HCj/g11FgYtHl
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@@ -1073,9 +1162,14 @@ golang.org/x/net v0.0.0-20190628185345-da137c7871d7/go.mod h1:z5CRVTTTmAJ677TzLL
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 golang.org/x/oauth2 v0.0.0-20181203162652-d668ce993890/go.mod h1:N/0e6XlmueqKjAGxoOufVs8QHGRruUQn6yWY3a++T0U=
@@ -1089,6 +1183,7 @@ golang.org/x/sync v0.0.0-20190227155943-e225da77a7e6/go.mod h1:RxMgew5VJxzue5/jJ
 golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20190911185100-cd5d95a43a6e/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20200317015054-43a5402ce75a/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
+golang.org/x/sync v0.0.0-20201020160332-67f06af15bc9/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sys v0.0.0-20180823144017-11551d06cbcc/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20180830151530-49385e6e1522/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20180905080454-ebe1bf3edb33/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
@@ -1131,13 +1226,26 @@ golang.org/x/sys v0.0.0-20200223170610-d5e6a3e2c0ae/go.mod h1:h1NjWce9XRLGQEsW7w
 golang.org/x/sys v0.0.0-20200323222414-85ca7c5b95cd/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20200420163511-1957bb5e6d1f h1:gWF768j/LaZugp8dyS4UwsslYCYz9XgFxvlgsn0n9H8=
 golang.org/x/sys v0.0.0-20200420163511-1957bb5e6d1f/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20200519105757-fe76b779f299/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20200814200057-3d37ad5750ed/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20200824131525-c12d262b63d8/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20200930185726-fdedc70b468f/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20210112080510-489259a85091/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20210119212857-b64e53b001e4/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20210218145245-beda7e5e158e h1:f5mksnk+hgXHnImpZoWj64ja99j9zV7YUgrVG95uFE4=
+golang.org/x/sys v0.0.0-20210218145245-beda7e5e158e/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20210218155724-8ebf48af031b h1:lAZ0/chPUDWwjqosYR0X4M490zQhMsiJ4K3DbA7o+3g=
+golang.org/x/sys v0.0.0-20210218155724-8ebf48af031b/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/text v0.0.0-20170915032832-14c0d48ead0c/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.1-0.20180807135948-17ff2d5776d2/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.2 h1:tW2bmiBqwgJj/UpqtC8EpXEZVYOwU0yG4iWbprSVAcs=
 golang.org/x/text v0.3.2/go.mod h1:bEr9sfX3Q8Zfm5fL9x+3itogRgK3+ptLWKqgva+5dAk=
+golang.org/x/text v0.3.3 h1:cokOdA+Jmi5PJGXLlLllQSgYigAEfHXJAERHVMaCc2k=
+golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
 golang.org/x/time v0.0.0-20180412165947-fbb02b2291d2/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
 golang.org/x/time v0.0.0-20181108054448-85acf8d2951c/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
+golang.org/x/time v0.0.0-20190308202827-9d24e82272b4 h1:SvFZT6jyqRaOeXpc5h/JSfZenJ2O330aBsf7JfSUXmQ=
 golang.org/x/time v0.0.0-20190308202827-9d24e82272b4/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
 golang.org/x/tools v0.0.0-20180221164845-07fd8470d635/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 golang.org/x/tools v0.0.0-20180828015842-6cd1fcedba52/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
@@ -1165,12 +1273,20 @@ golang.org/x/tools v0.0.0-20191030062658-86caa796c7ab/go.mod h1:b+2E5dAYhXwXZwtn
 golang.org/x/tools v0.0.0-20191108193012-7d206e10da11/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
 golang.org/x/tools v0.0.0-20191112195655-aa38f8e97acc/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
 golang.org/x/tools v0.0.0-20191114200427-caa0b0f7d508/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
+golang.org/x/tools v0.0.0-20191119224855-298f0cb1881e/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
 golang.org/x/tools v0.0.0-20191125144606-a911d9008d1f/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
 golang.org/x/tools v0.0.0-20191216052735-49a3e744a425/go.mod h1:TB2adYChydJhpapKDTa4BR/hXlZSLoq2Wpct/0txZ28=
+golang.org/x/tools v0.0.0-20200117012304-6edc0a871e69/go.mod h1:TB2adYChydJhpapKDTa4BR/hXlZSLoq2Wpct/0txZ28=
+golang.org/x/tools v0.0.0-20200130002326-2f3ba24bd6e7/go.mod h1:TB2adYChydJhpapKDTa4BR/hXlZSLoq2Wpct/0txZ28=
+golang.org/x/tools v0.0.0-20201224043029-2b0845dc783e/go.mod h1:emZCQorbCU4vsT4fOWvOPXz4eW1wZW4PmDk9uLelYpA=
+golang.org/x/tools v0.1.0 h1:po9/4sTYwZU9lPhi1tOrb4hCv3qrhiQ77LZfGa2OjwY=
+golang.org/x/tools v0.1.0/go.mod h1:xkSsbof2nBLbhDlRMhhhyNLN/zl3eTqcnHD5viDpcZ0=
 golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 golang.org/x/xerrors v0.0.0-20191011141410-1b5146add898/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543 h1:E7g+9GITq07hpfrRu66IVDexMakfv52eLZ2CXBWiKr4=
 golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
+golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1 h1:go1bK/D/BFZV2I8cIQd1NKEZ+0owSTG1fDTci4IqFcE=
+golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 google.golang.org/api v0.0.0-20180910000450-7ca32eb868bf/go.mod h1:4mhQ8q/RsB7i+udVvVy5NUi08OU8ZlA0gRVgrF7VFY0=
 google.golang.org/api v0.0.0-20181030000543-1d582fd0359e/go.mod h1:4mhQ8q/RsB7i+udVvVy5NUi08OU8ZlA0gRVgrF7VFY0=
 google.golang.org/api v0.1.0/go.mod h1:UGEZY7KEX120AnNLIHFMKIo4obdJhkp2tPbaPlQx13Y=
@@ -1224,6 +1340,9 @@ gopkg.in/ini.v1 v1.51.0 h1:AQvPpx3LzTDM0AjnIRlVFwFFGC+npRopjZxLJj6gdno=
 gopkg.in/ini.v1 v1.51.0/go.mod h1:pNLf8WUiyNEtQjuu5G5vTm06TEv9tsIgeAvK8hOrP4k=
 gopkg.in/natefinch/npipe.v2 v2.0.0-20160621034901-c1b8fa8bdcce/go.mod h1:5AcXVHNjg+BDxry382+8OKon8SEWiKktQR07RKPsv1c=
 gopkg.in/olebedev/go-duktape.v3 v3.0.0-20190213234257-ec84240a7772/go.mod h1:uAJfkITjFhyEEuUfm7bsmCZRbW5WRq8s9EY8HZ6hCns=
+gopkg.in/olebedev/go-duktape.v3 v3.0.0-20200603215123-a4a8cb9d2cbc/go.mod h1:uAJfkITjFhyEEuUfm7bsmCZRbW5WRq8s9EY8HZ6hCns=
+gopkg.in/olebedev/go-duktape.v3 v3.0.0-20200619000410-60c24ae608a6 h1:a6cXbcDDUkSBlpnkWV1bJ+vv3mOgQEltEJ2rPxroVu0=
+gopkg.in/olebedev/go-duktape.v3 v3.0.0-20200619000410-60c24ae608a6/go.mod h1:uAJfkITjFhyEEuUfm7bsmCZRbW5WRq8s9EY8HZ6hCns=
 gopkg.in/resty.v1 v1.12.0/go.mod h1:mDo4pnntr5jdWRML875a/NmxYqAlA73dVijT2AXvQQo=
 gopkg.in/sourcemap.v1 v1.0.5/go.mod h1:2RlvNNSMglmRrcvhfuzp4hQHwOtjxlbjX7UPY/GXb78=
 gopkg.in/src-d/go-cli.v0 v0.0.0-20181105080154-d492247bbc0d/go.mod h1:z+K8VcOYVYcSwSjGebuDL6176A1XskgbtNl64NSg+n8=
@@ -1237,6 +1356,7 @@ gopkg.in/yaml.v2 v2.2.1/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.2.4/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.2.5/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
+gopkg.in/yaml.v2 v2.2.8/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.3.0 h1:clyUAQHOM3G0M3f5vQj7LuJrETvjVot3Z5el9nffUtU=
 gopkg.in/yaml.v2 v2.3.0/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gotest.tools v2.2.0+incompatible/go.mod h1:DsYFclhRJ6vuDpmuTbkuFWG+y2sxOXAzmJt81HFBacw=

pkg/eth/api.go

@@ -18,6 +18,7 @@ package eth
 
 import (
 	"context"
+	"encoding/json"
 	"errors"
 	"fmt"
 	"math"
@@ -34,6 +35,7 @@ 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"
 	"github.com/sirupsen/logrus"
 
 	"github.com/vulcanize/ipld-eth-indexer/pkg/eth"
@@ -46,25 +48,28 @@ 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
 
-	// Remote node for forwarding cache misses
-	rpc       *rpc.Client
-	ethClient *ethclient.Client
+	// 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
+	rpc               *rpc.Client
+	ethClient         *ethclient.Client
 }
 
 // NewPublicEthAPI creates a new PublicEthAPI with the provided underlying Backend
-func NewPublicEthAPI(b *Backend, client *rpc.Client) *PublicEthAPI {
+func NewPublicEthAPI(b *Backend, client *rpc.Client, supportsStateDiff bool) *PublicEthAPI {
 	var ethClient *ethclient.Client
 	if client != nil {
 		ethClient = ethclient.NewClient(client)
 	}
 	return &PublicEthAPI{
-		B:         b,
-		rpc:       client,
-		ethClient: ethClient,
+		B:                 b,
+		supportsStateDiff: supportsStateDiff,
+		rpc:               client,
+		ethClient:         ethClient,
 	}
 }
 
@@ -84,6 +89,7 @@ func (pea *PublicEthAPI) GetHeaderByNumber(ctx context.Context, number rpc.Block
 	}
 	if pea.ethClient != nil {
 		if header, err := pea.ethClient.HeaderByNumber(ctx, big.NewInt(number.Int64())); header != nil && err == nil {
+			go pea.writeStateDiffAt(number.Int64())
 			return pea.rpcMarshalHeader(header)
 		}
 	}
@@ -100,6 +106,7 @@ func (pea *PublicEthAPI) GetHeaderByHash(ctx context.Context, hash common.Hash)
 	}
 	if pea.ethClient != nil {
 		if header, err := pea.ethClient.HeaderByHash(ctx, hash); header != nil && err == nil {
+			go pea.writeStateDiffFor(hash)
 			if res, err := pea.rpcMarshalHeader(header); err != nil {
 				return res
 			}
@@ -137,6 +144,7 @@ func (pea *PublicEthAPI) GetBlockByNumber(ctx context.Context, number rpc.BlockN
 	}
 	if pea.ethClient != nil {
 		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)
 		}
 	}
@@ -152,6 +160,7 @@ func (pea *PublicEthAPI) GetBlockByHash(ctx context.Context, hash common.Hash, f
 	}
 	if pea.ethClient != nil {
 		if block, err := pea.ethClient.BlockByHash(ctx, hash); block != nil && err == nil {
+			go pea.writeStateDiffFor(hash)
 			return pea.rpcMarshalBlock(block, true, fullTx)
 		}
 	}
@@ -179,6 +188,7 @@ func (pea *PublicEthAPI) GetUncleByBlockNumberAndIndex(ctx context.Context, bloc
 	}
 	if pea.rpc != nil {
 		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)
 		}
 	}
@@ -200,6 +210,7 @@ func (pea *PublicEthAPI) GetUncleByBlockHashAndIndex(ctx context.Context, blockH
 	}
 	if pea.rpc != nil {
 		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)
 		}
 	}
@@ -215,6 +226,7 @@ func (pea *PublicEthAPI) GetUncleCountByBlockNumber(ctx context.Context, blockNr
 	if pea.rpc != nil {
 		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
 		}
 	}
@@ -230,6 +242,7 @@ func (pea *PublicEthAPI) GetUncleCountByBlockHash(ctx context.Context, blockHash
 	if pea.rpc != nil {
 		var num *hexutil.Uint
 		if err := pea.rpc.CallContext(ctx, &num, "eth_getUncleCountByBlockHash", blockHash); num != nil && err == nil {
+			go pea.writeStateDiffFor(blockHash)
 			return num
 		}
 	}
@@ -251,6 +264,7 @@ func (pea *PublicEthAPI) GetTransactionCount(ctx context.Context, address common
 	if pea.rpc != nil {
 		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
 		}
 	}
@@ -275,6 +289,7 @@ func (pea *PublicEthAPI) GetBlockTransactionCountByNumber(ctx context.Context, b
 	if pea.rpc != nil {
 		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
 		}
 	}
@@ -290,6 +305,7 @@ func (pea *PublicEthAPI) GetBlockTransactionCountByHash(ctx context.Context, blo
 	if pea.rpc != nil {
 		var num *hexutil.Uint
 		if err := pea.rpc.CallContext(ctx, &num, "eth_getBlockTransactionCountByHash", blockHash); num != nil && err == nil {
+			go pea.writeStateDiffFor(blockHash)
 			return num
 		}
 	}
@@ -304,6 +320,7 @@ func (pea *PublicEthAPI) GetTransactionByBlockNumberAndIndex(ctx context.Context
 	if pea.rpc != nil {
 		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
 		}
 	}
@@ -318,6 +335,7 @@ func (pea *PublicEthAPI) GetTransactionByBlockHashAndIndex(ctx context.Context,
 	if pea.rpc != nil {
 		var tx *RPCTransaction
 		if err := pea.rpc.CallContext(ctx, &tx, "eth_getTransactionByBlockHashAndIndex", blockHash, index); tx != nil && err == nil {
+			go pea.writeStateDiffFor(blockHash)
 			return tx
 		}
 	}
@@ -332,6 +350,7 @@ func (pea *PublicEthAPI) GetRawTransactionByBlockNumberAndIndex(ctx context.Cont
 	if pea.rpc != nil {
 		var tx hexutil.Bytes
 		if err := pea.rpc.CallContext(ctx, &tx, "eth_getRawTransactionByBlockNumberAndIndex", blockNr, index); tx != nil && err == nil {
+			go pea.writeStateDiffAt(blockNr.Int64())
 			return tx
 		}
 	}
@@ -346,6 +365,7 @@ func (pea *PublicEthAPI) GetRawTransactionByBlockHashAndIndex(ctx context.Contex
 	if pea.rpc != nil {
 		var tx hexutil.Bytes
 		if err := pea.rpc.CallContext(ctx, &tx, "eth_getRawTransactionByBlockHashAndIndex", blockHash, index); tx != nil && err == nil {
+			go pea.writeStateDiffFor(blockHash)
 			return tx
 		}
 	}
@@ -362,6 +382,7 @@ func (pea *PublicEthAPI) GetTransactionByHash(ctx context.Context, hash common.H
 	if pea.rpc != nil {
 		var tx *RPCTransaction
 		if err := pea.rpc.CallContext(ctx, &tx, "eth_getTransactionByHash", hash); tx != nil && err == nil {
+			go pea.writeStateDiffFor(hash)
 			return tx, nil
 		}
 	}
@@ -378,6 +399,7 @@ func (pea *PublicEthAPI) GetRawTransactionByHash(ctx context.Context, hash commo
 	if pea.rpc != nil {
 		var tx hexutil.Bytes
 		if err := pea.rpc.CallContext(ctx, &tx, "eth_getRawTransactionByHash", hash); tx != nil && err == nil {
+			go pea.writeStateDiffFor(hash)
 			return tx, nil
 		}
 	}
@@ -398,6 +420,7 @@ func (pea *PublicEthAPI) GetTransactionReceipt(ctx context.Context, hash common.
 	}
 	if pea.rpc != nil {
 		if receipt := pea.remoteGetTransactionReceipt(ctx, hash); receipt != nil {
+			go pea.writeStateDiffFor(hash)
 			return receipt, nil
 		}
 	}
@@ -489,6 +512,7 @@ func (pea *PublicEthAPI) GetLogs(ctx context.Context, crit ethereum.FilterQuery)
 		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
 			}
 		}
@@ -601,6 +625,7 @@ func (pea *PublicEthAPI) GetBalance(ctx context.Context, address common.Address,
 	if pea.rpc != nil {
 		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
 		}
 	}
@@ -626,6 +651,7 @@ func (pea *PublicEthAPI) GetStorageAt(ctx context.Context, address common.Addres
 	if pea.rpc != nil {
 		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
 		}
 	}
@@ -641,6 +667,7 @@ func (pea *PublicEthAPI) GetCode(ctx context.Context, address common.Address, bl
 	if pea.rpc != nil {
 		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
 		}
 	}
@@ -656,6 +683,7 @@ func (pea *PublicEthAPI) GetProof(ctx context.Context, address common.Address, s
 	if pea.rpc != nil {
 		var res *AccountResult
 		if err := pea.rpc.CallContext(ctx, &res, "eth_getProof", address, storageKeys, blockNrOrHash); res != nil && err == nil {
+			go pea.writeStateDiffAtOrFor(blockNrOrHash)
 			return res, nil
 		}
 	}
@@ -688,7 +716,7 @@ func (pea *PublicEthAPI) localGetProof(ctx context.Context, address common.Addre
 			if storageError != nil {
 				return nil, storageError
 			}
-			storageProof[i] = StorageResult{key, (*hexutil.Big)(state.GetState(address, common.HexToHash(key)).Big()), common.ToHexArray(proof)}
+			storageProof[i] = StorageResult{key, (*hexutil.Big)(state.GetState(address, common.HexToHash(key)).Big()), toHexSlice(proof)}
 		} else {
 			storageProof[i] = StorageResult{key, &hexutil.Big{}, []string{}}
 		}
@@ -702,7 +730,7 @@ func (pea *PublicEthAPI) localGetProof(ctx context.Context, address common.Addre
 
 	return &AccountResult{
 		Address:      address,
-		AccountProof: common.ToHexArray(accountProof),
+		AccountProof: toHexSlice(accountProof),
 		Balance:      (*hexutil.Big)(state.GetBalance(address)),
 		CodeHash:     codeHash,
 		Nonce:        hexutil.Uint64(state.GetNonce(address)),
@@ -726,6 +754,7 @@ func (pea *PublicEthAPI) Call(ctx context.Context, args CallArgs, blockNrOrHash
 	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
 		}
 	}
@@ -834,12 +863,98 @@ func DoCall(ctx context.Context, b *Backend, args CallArgs, blockNrOrHash rpc.Bl
 	// Setup the gas pool (also for unmetered requests)
 	// and apply the message.
 	gp := new(core.GasPool).AddGas(math.MaxUint64)
-	res, gas, failed, err := core.ApplyMessage(evm, msg, gp)
+	result, err := core.ApplyMessage(evm, msg, gp)
+	if err != nil {
+		return nil, 0, false, fmt.Errorf("execution failed: %v", 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 res, gas, failed, err
+	return result.Return(), result.UsedGas, result.Failed(), err
+}
+
+// writeStateDiffAtOrFor calls out to the proxy statediffing geth client to fill in a gap in the index
+func (pea *PublicEthAPI) writeStateDiffAtOrFor(blockNrOrHash rpc.BlockNumberOrHash) {
+	// short circuit right away if the proxy doesn't support diffing
+	if !pea.supportsStateDiff {
+		return
+	}
+	if blockNr, ok := blockNrOrHash.Number(); ok {
+		pea.writeStateDiffAt(blockNr.Int64())
+		return
+	}
+	if hash, ok := blockNrOrHash.Hash(); ok {
+		pea.writeStateDiffFor(hash)
+	}
+}
+
+// writeStateDiffWithCriteria calls out to the proxy statediffing geth client to fill in a gap in the index
+func (pea *PublicEthAPI) writeStateDiffWithCriteria(crit ethereum.FilterQuery) {
+	// short circuit right away if the proxy doesn't support diffing
+	if !pea.supportsStateDiff {
+		return
+	}
+	if crit.BlockHash != nil {
+		pea.writeStateDiffFor(*crit.BlockHash)
+		return
+	}
+	var start, end int64
+	if crit.FromBlock != nil {
+		start = crit.FromBlock.Int64()
+	}
+	if crit.ToBlock != nil {
+		end = crit.ToBlock.Int64()
+	} else {
+		end = start
+	}
+	for i := start; i <= end; i++ {
+		pea.writeStateDiffAt(i)
+	}
+}
+
+// writeStateDiffAt calls out to the proxy statediffing geth client to fill in a gap in the index
+func (pea *PublicEthAPI) writeStateDiffAt(height int64) {
+	if !pea.supportsStateDiff {
+		return
+	}
+	// we use a separate context than the one provided by the client
+	ctx, cancel := context.WithTimeout(context.Background(), 240*time.Second)
+	defer cancel()
+	var data json.RawMessage
+	params := statediff.Params{
+		IntermediateStateNodes:   true,
+		IntermediateStorageNodes: true,
+		IncludeBlock:             true,
+		IncludeReceipts:          true,
+		IncludeTD:                true,
+		IncludeCode:              true,
+	}
+	if err := pea.rpc.CallContext(ctx, &data, "statediff_writeStateDiffAt", uint64(height), params); err != nil {
+		logrus.Errorf("writeStateDiffAt %d faild with err %s", height, err.Error())
+	}
+}
+
+// writeStateDiffFor calls out to the proxy statediffing geth client to fill in a gap in the index
+func (pea *PublicEthAPI) writeStateDiffFor(blockHash common.Hash) {
+	if !pea.supportsStateDiff {
+		return
+	}
+	// we use a separate context than the one provided by the client
+	ctx, cancel := context.WithTimeout(context.Background(), 240*time.Second)
+	defer cancel()
+	var data json.RawMessage
+	params := statediff.Params{
+		IntermediateStateNodes:   true,
+		IntermediateStorageNodes: true,
+		IncludeBlock:             true,
+		IncludeReceipts:          true,
+		IncludeTD:                true,
+		IncludeCode:              true,
+	}
+	if err := pea.rpc.CallContext(ctx, &data, "statediff_writeStateDiffFor", blockHash, params); err != nil {
+		logrus.Errorf("writeStateDiffFor %s faild with err %s", blockHash.Hex(), err.Error())
+	}
 }
 
 // rpcMarshalBlock uses the generalized output filler, then adds the total difficulty field
@@ -871,3 +986,12 @@ func (pea *PublicEthAPI) rpcMarshalBlockWithUncleHashes(b *types.Block, uncleHas
 	fields["totalDifficulty"] = (*hexutil.Big)(td)
 	return fields, err
 }
+
+// toHexSlice creates a slice of hex-strings based on []byte.
+func toHexSlice(b [][]byte) []string {
+	r := make([]string, len(b))
+	for i := range b {
+		r[i] = hexutil.Encode(b[i])
+	}
+	return r
+}

pkg/eth/api_test.go

@@ -32,11 +32,10 @@ import (
 
 	eth2 "github.com/vulcanize/ipld-eth-indexer/pkg/eth"
 	"github.com/vulcanize/ipld-eth-indexer/pkg/postgres"
-	shared2 "github.com/vulcanize/ipld-eth-indexer/pkg/shared"
+	"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"
-	"github.com/vulcanize/ipld-eth-server/pkg/shared"
 )
 
 var (
@@ -190,7 +189,7 @@ var _ = Describe("API", func() {
 		indexAndPublisher := eth2.NewIPLDPublisher(db)
 		backend, err := eth.NewEthBackend(db, &eth.Config{})
 		Expect(err).ToNot(HaveOccurred())
-		api = eth.NewPublicEthAPI(backend, nil)
+		api = eth.NewPublicEthAPI(backend, nil, false)
 		err = indexAndPublisher.Publish(test_helpers.MockConvertedPayload)
 		Expect(err).ToNot(HaveOccurred())
 		err = publishCode(db, test_helpers.ContractCodeHash, test_helpers.ContractCode)
@@ -978,12 +977,12 @@ func publishCode(db *postgres.DB, codeHash common.Hash, code []byte) error {
 	if err != nil {
 		return err
 	}
-	mhKey, err := shared2.MultihashKeyFromKeccak256(codeHash)
+	mhKey, err := shared.MultihashKeyFromKeccak256(codeHash)
 	if err != nil {
 		tx.Rollback()
 		return err
 	}
-	if err := shared2.PublishDirect(tx, mhKey, code); err != nil {
+	if err := shared.PublishDirect(tx, mhKey, code); err != nil {
 		tx.Rollback()
 		return err
 	}

pkg/eth/backend.go

@@ -22,9 +22,8 @@ import (
 	"fmt"
 	"math/big"
 
-	"github.com/ethereum/go-ethereum/common/hexutil"
-
 	"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"
@@ -39,8 +38,9 @@ import (
 	"github.com/ethereum/go-ethereum/params"
 	"github.com/ethereum/go-ethereum/rlp"
 	"github.com/ethereum/go-ethereum/rpc"
-	ipfsethdb "github.com/vulcanize/pg-ipfs-ethdb"
+	"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"
 
@@ -329,7 +329,7 @@ func (b *Backend) BlockByNumber(ctx context.Context, blockNumber rpc.BlockNumber
 		receipts = append(receipts, &receipt)
 	}
 	// Compose everything together into a complete block
-	return types.NewBlock(&header, transactions, uncles, receipts), err
+	return types.NewBlock(&header, transactions, uncles, receipts, new(trie.Trie)), err
 }
 
 // BlockByHash returns the requested block. When fullTx is true all transactions in the block are returned in full
@@ -406,7 +406,7 @@ func (b *Backend) BlockByHash(ctx context.Context, hash common.Hash) (*types.Blo
 		receipts = append(receipts, &receipt)
 	}
 	// Compose everything together into a complete block
-	return types.NewBlock(&header, transactions, uncles, receipts), err
+	return types.NewBlock(&header, transactions, uncles, receipts, new(trie.Trie)), err
 }
 
 // GetTransaction retrieves a tx by hash
@@ -478,7 +478,7 @@ func (b *Backend) StateAndHeaderByNumberOrHash(ctx context.Context, blockNrOrHas
 		if blockNrOrHash.RequireCanonical && b.GetCanonicalHash(header.Number.Uint64()) != hash {
 			return nil, nil, errors.New("hash is not currently canonical")
 		}
-		stateDb, err := state.New(header.Root, b.StateDatabase)
+		stateDb, err := state.New(header.Root, b.StateDatabase, nil)
 		return stateDb, header, err
 	}
 	return nil, nil, errors.New("invalid arguments; neither block nor hash specified")
@@ -498,7 +498,7 @@ func (b *Backend) StateAndHeaderByNumber(ctx context.Context, number rpc.BlockNu
 	if header == nil {
 		return nil, nil, errors.New("header not found")
 	}
-	stateDb, err := state.New(header.Root, b.StateDatabase)
+	stateDb, err := state.New(header.Root, b.StateDatabase, nil)
 	return stateDb, header, err
 }
 
@@ -525,8 +525,9 @@ 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)
-	c := core.NewEVMContext(msg, header, b, nil)
-	return vm.NewEVM(c, state, b.Config.ChainConfig, b.Config.VmConfig), nil
+	vmctx := core.NewEVMBlockContext(header, b, nil)
+	txContext := core.NewEVMTxContext(msg)
+	return vm.NewEVM(vmctx, txContext, state, b.Config.ChainConfig, b.Config.VmConfig), nil
 }
 
 // GetAccountByNumberOrHash returns the account object for the provided address at the block corresponding to the provided number or hash

pkg/eth/cid_retriever_test.go

@@ -19,6 +19,9 @@ package eth_test
 import (
 	"math/big"
 
+	"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"
@@ -29,7 +32,6 @@ import (
 
 	"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"
 )
 
 var (
@@ -470,5 +472,5 @@ var _ = Describe("Retriever", func() {
 func newMockBlock(blockNumber uint64) *types.Block {
 	header := test_helpers.MockHeader
 	header.Number.SetUint64(blockNumber)
-	return types.NewBlock(&test_helpers.MockHeader, test_helpers.MockTransactions, nil, test_helpers.MockReceipts)
+	return types.NewBlock(&test_helpers.MockHeader, test_helpers.MockTransactions, nil, test_helpers.MockReceipts, new(trie.Trie))
 }

pkg/eth/eth_state_test.go

@@ -37,10 +37,10 @@ import (
 
 	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"
-	"github.com/vulcanize/ipld-eth-server/pkg/shared"
 )
 
 var (
@@ -83,7 +83,7 @@ var _ = Describe("eth state reading tests", func() {
 			RPCGasCap:   big.NewInt(10000000000),
 		})
 		Expect(err).ToNot(HaveOccurred())
-		api = eth.NewPublicEthAPI(backend, nil)
+		api = eth.NewPublicEthAPI(backend, nil, false)
 
 		// make the test blockchain (and state)
 		blocks, receipts, chain = test_helpers.MakeChain(5, test_helpers.Genesis, test_helpers.TestChainGen)
@@ -153,7 +153,7 @@ var _ = Describe("eth state reading tests", func() {
 
 		// 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)
+		api = eth.NewPublicEthAPI(backend, nil, false)
 		err = indexAndPublisher.Publish(test_helpers.MockConvertedPayload)
 		Expect(err).ToNot(HaveOccurred())
 		// The non-canonical header has a child

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

@@ -19,11 +19,12 @@ 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"
 	"github.com/multiformats/go-multihash"
 
 	"github.com/vulcanize/ipld-eth-indexer/pkg/eth"
@@ -269,7 +270,7 @@ func (s *ResponseFilterer) filterStateAndStorage(stateFilter StateFilter, storag
 	}
 	for _, stateNode := range payload.StateNodes {
 		if !stateFilter.Off && checkNodeKeys(stateAddressFilters, stateNode.LeafKey) {
-			if stateNode.Type == statediff.Leaf || stateFilter.IntermediateNodes {
+			if stateNode.Type == sdtypes.Leaf || stateFilter.IntermediateNodes {
 				cid, err := ipld.RawdataToCid(ipld.MEthStateTrie, stateNode.Value, multihash.KECCAK_256)
 				if err != nil {
 					return err

pkg/eth/filterer_test.go

@@ -19,7 +19,8 @@ package eth_test
 import (
 	"bytes"
 
-	"github.com/ethereum/go-ethereum/statediff"
+	sdtypes "github.com/ethereum/go-ethereum/statediff/types"
+
 	. "github.com/onsi/ginkgo"
 	. "github.com/onsi/gomega"
 
@@ -58,7 +59,7 @@ var _ = Describe("Filterer", func() {
 			Expect(shared.IPLDsContainBytes(iplds.Receipts, test_helpers.MockReceipts.GetRlp(2))).To(BeTrue())
 			Expect(len(iplds.StateNodes)).To(Equal(2))
 			for _, stateNode := range iplds.StateNodes {
-				Expect(stateNode.Type).To(Equal(statediff.Leaf))
+				Expect(stateNode.Type).To(Equal(sdtypes.Leaf))
 				if bytes.Equal(stateNode.StateLeafKey.Bytes(), test_helpers.AccountLeafKey) {
 					Expect(stateNode.IPLD).To(Equal(ipfs.BlockModel{
 						Data: test_helpers.State2IPLD.RawData(),

pkg/eth/helpers.go

@@ -17,34 +17,61 @@
 package eth
 
 import (
+	"encoding/json"
 	"fmt"
+	"github.com/ethereum/go-ethereum/cmd/utils"
+	log "github.com/sirupsen/logrus"
+	"os"
+
+	sdtypes "github.com/ethereum/go-ethereum/statediff/types"
 
 	"github.com/ethereum/go-ethereum/params"
-	"github.com/ethereum/go-ethereum/statediff"
 )
 
-func ResolveToNodeType(nodeType int) statediff.NodeType {
+func ResolveToNodeType(nodeType int) sdtypes.NodeType {
 	switch nodeType {
 	case 0:
-		return statediff.Branch
+		return sdtypes.Branch
 	case 1:
-		return statediff.Extension
+		return sdtypes.Extension
 	case 2:
-		return statediff.Leaf
+		return sdtypes.Leaf
 	case 3:
-		return statediff.Removed
+		return sdtypes.Removed
 	default:
-		return statediff.Unknown
+		return sdtypes.Unknown
 	}
 }
 
+// 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 {
 	case 1:
 		return params.MainnetChainConfig, nil
 	case 3:
-		return params.TestnetChainConfig, nil // Ropsten
+		return params.RopstenChainConfig, nil
 	case 4:
 		return params.RinkebyChainConfig, nil
 	case 5:

pkg/eth/ipld_fetcher_test.go

@@ -19,13 +19,13 @@ package eth_test
 import (
 	. "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"
-	"github.com/vulcanize/ipld-eth-server/pkg/shared"
 )
 
 var _ = Describe("IPLDFetcher", func() {

pkg/eth/ipld_retriever.go

@@ -66,12 +66,14 @@ const (
 											FROM eth.transaction_cids
 												INNER JOIN eth.header_cids ON (transaction_cids.header_id = header_cids.id)
 												INNER JOIN public.blocks ON (transaction_cids.mh_key = blocks.key)
-											WHERE block_hash = $1`
+											WHERE block_hash = $1
+											ORDER BY eth.transaction_cids.index ASC`
 	RetrieveTransactionsByBlockNumberPgStr = `SELECT transaction_cids.cid, data
 											FROM eth.transaction_cids
 												INNER JOIN eth.header_cids ON (transaction_cids.header_id = header_cids.id)
 												INNER JOIN public.blocks ON (transaction_cids.mh_key = blocks.key)
-											WHERE block_number = $1`
+											WHERE block_number = $1
+											ORDER BY eth.transaction_cids.index ASC`
 	RetrieveTransactionByHashPgStr = `SELECT cid, data
 									FROM eth.transaction_cids
 										INNER JOIN public.blocks ON (transaction_cids.mh_key = blocks.key)
@@ -86,13 +88,15 @@ const (
 											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)
-										WHERE block_hash = $1`
+										WHERE block_hash = $1
+										ORDER BY eth.transaction_cids.index ASC`
 	RetrieveReceiptsByBlockNumberPgStr = `SELECT receipt_cids.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)
-										WHERE block_number = $1`
+										WHERE block_number = $1
+										ORDER BY eth.transaction_cids.index ASC`
 	RetrieveReceiptByTxHashPgStr = `SELECT receipt_cids.cid, data
 									FROM eth.receipt_cids
 										INNER JOIN eth.transaction_cids ON (receipt_cids.tx_id = transaction_cids.id)

pkg/eth/test_helpers/chain_maker.go

@@ -63,7 +63,7 @@ data function sig: 73d4a13a
 func MakeChain(n int, parent *types.Block, chainGen func(int, *core.BlockGen)) ([]*types.Block, []types.Receipts, *core.BlockChain) {
 	config := params.TestChainConfig
 	blocks, receipts := core.GenerateChain(config, parent, ethash.NewFaker(), Testdb, n, chainGen)
-	chain, _ := core.NewBlockChain(Testdb, nil, params.TestChainConfig, ethash.NewFaker(), vm.Config{}, nil)
+	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

@@ -22,6 +22,9 @@ import (
 	"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"
@@ -30,7 +33,6 @@ import (
 	"github.com/ethereum/go-ethereum/crypto"
 	"github.com/ethereum/go-ethereum/params"
 	"github.com/ethereum/go-ethereum/rlp"
-	"github.com/ethereum/go-ethereum/statediff"
 	"github.com/ethereum/go-ethereum/statediff/testhelpers"
 	"github.com/ipfs/go-block-format"
 	"github.com/multiformats/go-multihash"
@@ -78,7 +80,7 @@ var (
 		},
 	}
 	ReceiptsRlp, _   = rlp.EncodeToBytes(MockReceipts)
-	MockBlock        = types.NewBlock(&MockHeader, MockTransactions, MockUncles, MockReceipts)
+	MockBlock        = types.NewBlock(&MockHeader, MockTransactions, MockUncles, MockReceipts, new(trie.Trie))
 	MockHeaderRlp, _ = rlp.EncodeToBytes(MockBlock.Header())
 	MockChildHeader  = types.Header{
 		Time:        0,
@@ -90,7 +92,7 @@ var (
 		Extra:       []byte{},
 		ParentHash:  MockBlock.Header().Hash(),
 	}
-	MockChild            = types.NewBlock(&MockChildHeader, MockTransactions, MockUncles, MockReceipts)
+	MockChild            = types.NewBlock(&MockChildHeader, MockTransactions, MockUncles, MockReceipts, new(trie.Trie))
 	MockChildRlp, _      = rlp.EncodeToBytes(MockChild.Header())
 	Address              = common.HexToAddress("0xaE9BEa628c4Ce503DcFD7E305CaB4e29E7476592")
 	AnotherAddress       = common.HexToAddress("0xaE9BEa628c4Ce503DcFD7E305CaB4e29E7476593")
@@ -318,13 +320,13 @@ var (
 			LeafKey: common.BytesToHash(ContractLeafKey),
 			Path:    []byte{'\x06'},
 			Value:   ContractLeafNode,
-			Type:    statediff.Leaf,
+			Type:    sdtypes.Leaf,
 		},
 		{
 			LeafKey: common.BytesToHash(AccountLeafKey),
 			Path:    []byte{'\x0c'},
 			Value:   AccountLeafNode,
-			Type:    statediff.Leaf,
+			Type:    sdtypes.Leaf,
 		},
 	}
 	MockStateMetaPostPublish = []eth.StateNodeModel{
@@ -348,7 +350,7 @@ var (
 			{
 				LeafKey: common.BytesToHash(StorageLeafKey),
 				Value:   StorageLeafNode,
-				Type:    statediff.Leaf,
+				Type:    sdtypes.Leaf,
 				Path:    []byte{},
 			},
 		},
@@ -455,7 +457,7 @@ var (
 		StateNodes: []eth2.StateNode{
 			{
 				StateLeafKey: common.BytesToHash(ContractLeafKey),
-				Type:         statediff.Leaf,
+				Type:         sdtypes.Leaf,
 				IPLD: ipfs.BlockModel{
 					Data: State1IPLD.RawData(),
 					CID:  State1IPLD.Cid().String(),
@@ -464,7 +466,7 @@ var (
 			},
 			{
 				StateLeafKey: common.BytesToHash(AccountLeafKey),
-				Type:         statediff.Leaf,
+				Type:         sdtypes.Leaf,
 				IPLD: ipfs.BlockModel{
 					Data: State2IPLD.RawData(),
 					CID:  State2IPLD.Cid().String(),
@@ -476,7 +478,7 @@ var (
 			{
 				StateLeafKey:   common.BytesToHash(ContractLeafKey),
 				StorageLeafKey: common.BytesToHash(StorageLeafKey),
-				Type:           statediff.Leaf,
+				Type:           sdtypes.Leaf,
 				IPLD: ipfs.BlockModel{
 					Data: StorageIPLD.RawData(),
 					CID:  StorageIPLD.Cid().String(),

pkg/eth/types.go

@@ -22,7 +22,7 @@ import (
 	"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/statediff"
+	sdtypes "github.com/ethereum/go-ethereum/statediff/types"
 	"github.com/vulcanize/ipld-eth-indexer/pkg/eth"
 	"github.com/vulcanize/ipld-eth-indexer/pkg/ipfs"
 )
@@ -118,14 +118,14 @@ type IPLDs struct {
 }
 
 type StateNode struct {
-	Type         statediff.NodeType
+	Type         sdtypes.NodeType
 	StateLeafKey common.Hash
 	Path         []byte
 	IPLD         ipfs.BlockModel
 }
 
 type StorageNode struct {
-	Type           statediff.NodeType
+	Type           sdtypes.NodeType
 	StateLeafKey   common.Hash
 	StorageLeafKey common.Hash
 	Path           []byte

pkg/graphql/service.go

@@ -21,6 +21,8 @@ import (
 	"net"
 	"net/http"
 
+	"github.com/ethereum/go-ethereum/cmd/utils"
+	"github.com/ethereum/go-ethereum/node"
 	"github.com/ethereum/go-ethereum/p2p"
 	"github.com/ethereum/go-ethereum/rpc"
 	"github.com/graph-gophers/graphql-go"
@@ -66,11 +68,16 @@ func (s *Service) Start(server *p2p.Server) error {
 	if err != nil {
 		return err
 	}
-	if s.listener, err = net.Listen("tcp", s.endpoint); err != nil {
-		return err
+
+	handler := node.NewHTTPHandlerStack(s.handler, s.cors, s.vhosts)
+
+	// start http server
+	_, addr, err := node.StartHTTPEndpoint(s.endpoint, rpc.DefaultHTTPTimeouts, handler)
+	if err != nil {
+		utils.Fatalf("Could not start RPC api: %v", err)
 	}
-	go rpc.NewHTTPServer(s.cors, s.vhosts, s.timeouts, s.handler).Serve(s.listener)
-	logrus.Debugf("graphQL endpoint opened for url %s", fmt.Sprintf("http://%s", s.endpoint))
+	extapiURL := fmt.Sprintf("http://%v/", addr)
+	logrus.Infof("graphQL endpoint opened for url %s", extapiURL)
 	return nil
 }
 

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

@@ -17,41 +17,31 @@
 package rpc
 
 import (
-	"net"
+	"fmt"
 
+	"github.com/ethereum/go-ethereum/cmd/utils"
+	"github.com/ethereum/go-ethereum/node"
 	"github.com/ethereum/go-ethereum/rpc"
 	log "github.com/sirupsen/logrus"
-	"github.com/vulcanize/ipld-eth-server/pkg/prom"
 )
 
 // StartHTTPEndpoint starts the HTTP RPC endpoint, configured with cors/vhosts/modules.
-func StartHTTPEndpoint(endpoint string, apis []rpc.API, modules []string, cors []string, vhosts []string, timeouts rpc.HTTPTimeouts) (net.Listener, *rpc.Server, error) {
-	if bad, available := checkModuleAvailability(modules, apis); len(bad) > 0 {
-		log.Error("Unavailable modules in HTTP API list", "unavailable", bad, "available", available)
+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)
+	if err != nil {
+		utils.Fatalf("Could not register HTTP API: %w", err)
 	}
-	// Generate the whitelist based on the allowed modules
-	whitelist := make(map[string]bool)
-	for _, module := range modules {
-		whitelist[module] = true
+	handler := node.NewHTTPHandlerStack(srv, cors, vhosts)
+
+	// start http server
+	_, addr, err := node.StartHTTPEndpoint(endpoint, rpc.DefaultHTTPTimeouts, handler)
+	if err != nil {
+		utils.Fatalf("Could not start RPC api: %v", err)
 	}
-	// Register all the APIs exposed by the services
-	handler := rpc.NewServer()
-	for _, api := range apis {
-		if whitelist[api.Namespace] || (len(whitelist) == 0 && api.Public) {
-			if err := handler.RegisterName(api.Namespace, api.Service); err != nil {
-				return nil, nil, err
-			}
-			log.Debug("HTTP registered", "namespace", api.Namespace)
-		}
-	}
-	// All APIs registered, start the HTTP listener
-	var (
-		listener net.Listener
-		err      error
-	)
-	if listener, err = net.Listen("tcp", endpoint); err != nil {
-		return nil, nil, err
-	}
-	go rpc.NewHTTPServer(cors, vhosts, timeouts, prom.HTTPMiddleware(handler)).Serve(listener)
-	return listener, handler, err
+	extapiURL := fmt.Sprintf("http://%v/", addr)
+	log.Info("HTTP endpoint opened", "url", extapiURL)
+
+	return srv, err
 }

pkg/rpc/ws.go

@@ -18,45 +18,45 @@ package rpc
 
 import (
 	"net"
+	"net/http"
 
+	"github.com/ethereum/go-ethereum/cmd/utils"
+	"github.com/ethereum/go-ethereum/node"
 	"github.com/ethereum/go-ethereum/rpc"
-	log "github.com/sirupsen/logrus"
+
 	"github.com/vulcanize/ipld-eth-server/pkg/prom"
 )
 
 // StartWSEndpoint starts a websocket endpoint.
 func StartWSEndpoint(endpoint string, apis []rpc.API, modules []string, wsOrigins []string, exposeAll bool) (net.Listener, *rpc.Server, error) {
-	if bad, available := checkModuleAvailability(modules, apis); len(bad) > 0 {
-		log.Error("Unavailable modules in WS API list", "unavailable", bad, "available", available)
-	}
-	// Generate the whitelist based on the allowed modules
-	whitelist := make(map[string]bool)
-	for _, module := range modules {
-		whitelist[module] = true
-	}
-	// Register all the APIs exposed by the services
-	handler := rpc.NewServer()
-	for _, api := range apis {
-		if exposeAll || whitelist[api.Namespace] || (len(whitelist) == 0 && api.Public) {
-			if err := handler.RegisterName(api.Namespace, api.Service); err != nil {
-				return nil, nil, err
-			}
-			log.Debug("WebSocket registered", "service", api.Service, "namespace", api.Namespace)
-		}
-	}
 	// All APIs registered, start the HTTP listener
 	var (
 		listener net.Listener
 		err      error
 	)
+
+	// Register all the APIs exposed by the services
+	handler := rpc.NewServer()
+	err = node.RegisterApisFromWhitelist(apis, modules, handler, exposeAll)
+	if err != nil {
+		utils.Fatalf("Could not register WS API: %w", err)
+	}
+
 	if listener, err = net.Listen("tcp", endpoint); err != nil {
 		return nil, nil, err
 	}
 
-	wsServer := rpc.NewWSServer(wsOrigins, handler)
+	wsServer := NewWSServer(wsOrigins, handler)
 	wsServer.Handler = prom.WSMiddleware(wsServer.Handler)
 	go wsServer.Serve(listener)
 
 	return listener, handler, err
 
 }
+
+// NewWSServer creates a new websocket RPC server around an API provider.
+//
+// Deprecated: use prc.Server.WebsocketHandler
+func NewWSServer(allowedOrigins []string, srv *rpc.Server) *http.Server {
+	return &http.Server{Handler: srv.WebsocketHandler(allowedOrigins)}
+}

pkg/serve/api.go

@@ -19,14 +19,12 @@ package serve
 import (
 	"context"
 
-	"github.com/ethereum/go-ethereum/p2p"
 	"github.com/ethereum/go-ethereum/rpc"
 	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 +88,3 @@ 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

@@ -48,19 +48,22 @@ 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"
 )
 
 // Config struct
 type Config struct {
-	DB            *postgres.DB
-	DBConfig      postgres.Config
-	WSEndpoint    string
-	HTTPEndpoint  string
-	IPCEndpoint   string
-	ChainConfig   *params.ChainConfig
-	DefaultSender *common.Address
-	RPCGasCap     *big.Int
-	Client        *rpc.Client
+	DB               *postgres.DB
+	DBConfig         postgres.Config
+	WSEndpoint       string
+	HTTPEndpoint     string
+	IPCEndpoint      string
+	ChainConfig      *params.ChainConfig
+	DefaultSender    *common.Address
+	RPCGasCap        *big.Int
+	Client           *rpc.Client
+	SupportStateDiff bool
 }
 
 // NewConfig is used to initialize a watcher config from a .toml file
@@ -74,6 +77,8 @@ func NewConfig() (*Config, error) {
 	viper.BindEnv("ethereum.httpPath", shared.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)
 
 	c.DBConfig.Init()
 
@@ -83,6 +88,7 @@ func NewConfig() (*Config, error) {
 		return nil, err
 	}
 	c.Client = cli
+	c.SupportStateDiff = viper.GetBool("ethereum.supportsStateDiff")
 
 	wsPath := viper.GetString("server.wsPath")
 	if wsPath == "" {
@@ -104,7 +110,7 @@ func NewConfig() (*Config, error) {
 	}
 	c.HTTPEndpoint = httpPath
 	overrideDBConnConfig(&c.DBConfig)
-	serveDB := utils.LoadPostgres(c.DBConfig, nodeInfo)
+	serveDB := utils.LoadPostgres(c.DBConfig, nodeInfo, false)
 	prom.RegisterDBCollector(c.DBConfig.Name, serveDB.DB)
 	c.DB = &serveDB
 
@@ -119,7 +125,12 @@ 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)
+	}
 	return c, err
 }
 

pkg/serve/service.go

@@ -18,8 +18,11 @@ package serve
 
 import (
 	"fmt"
+	"strconv"
 	"sync"
 
+	"github.com/vulcanize/ipld-eth-server/pkg/net"
+
 	"github.com/ethereum/go-ethereum/core/vm"
 
 	"github.com/ethereum/go-ethereum/common"
@@ -44,8 +47,10 @@ const (
 // and indexing all chain data; screening this data; and serving it up to subscribed clients
 // This service is compatible with the Ethereum service interface (node.Service)
 type Server interface {
-	// APIs(), Protocols(), Start() and Stop()
-	ethnode.Service
+	// Start() and Stop()
+	ethnode.Lifecycle
+	APIs() []rpc.API
+	Protocols() []p2p.Protocol
 	// Pub-Sub handling event loop
 	Serve(wg *sync.WaitGroup, screenAndServePayload <-chan eth2.ConvertedPayload)
 	// Method to subscribe to the service
@@ -78,6 +83,8 @@ type Service struct {
 	serveWg *sync.WaitGroup
 	// rpc client for forwarding cache misses
 	client *rpc.Client
+	// whether the proxied client supports state diffing
+	supportsStateDiffing bool
 	// backend for the server
 	backend *eth.Backend
 }
@@ -92,6 +99,8 @@ func NewServer(settings *Config) (Server, error) {
 	sap.QuitChan = make(chan bool)
 	sap.Subscriptions = make(map[common.Hash]map[rpc.ID]Subscription)
 	sap.SubscriptionTypes = make(map[common.Hash]eth.SubscriptionSettings)
+	sap.client = settings.Client
+	sap.supportsStateDiffing = settings.SupportStateDiff
 	var err error
 	sap.backend, err = eth.NewEthBackend(sap.db, &eth.Config{
 		ChainConfig:   settings.ChainConfig,
@@ -109,7 +118,7 @@ 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,
@@ -118,28 +127,16 @@ 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,
 		},
 	}
 	return append(apis, rpc.API{
 		Namespace: eth.APIName,
 		Version:   eth.APIVersion,
-		Service:   eth.NewPublicEthAPI(sap.backend, sap.client),
+		Service:   eth.NewPublicEthAPI(sap.backend, sap.client, sap.supportsStateDiffing),
 		Public:    true,
 	})
 }
@@ -337,7 +334,7 @@ func (sap *Service) Unsubscribe(id rpc.ID) {
 
 // Start is used to begin the service
 // This is mostly just to satisfy the node.Service interface
-func (sap *Service) Start(*p2p.Server) error {
+func (sap *Service) Start() error {
 	log.Info("starting eth ipld server")
 	wg := new(sync.WaitGroup)
 	payloadChan := make(chan eth2.ConvertedPayload, PayloadChanBufferSize)

pkg/shared/test_helpers.go

@@ -19,35 +19,9 @@ package shared
 import (
 	"bytes"
 
-	"github.com/vulcanize/ipld-eth-indexer/pkg/eth"
-
-	"github.com/ipfs/go-cid"
-	"github.com/multiformats/go-multihash"
-
 	"github.com/vulcanize/ipld-eth-indexer/pkg/ipfs"
-	"github.com/vulcanize/ipld-eth-indexer/pkg/node"
-	"github.com/vulcanize/ipld-eth-indexer/pkg/postgres"
 )
 
-// SetupDB is use to setup a db for watcher tests
-func SetupDB() (*postgres.DB, error) {
-	return postgres.NewDB(postgres.Config{
-		Hostname: "localhost",
-		Name:     "vulcanize_testing",
-		Port:     5432,
-	}, node.Info{})
-}
-
-// ListContainsString used to check if a list of strings contains a particular string
-func ListContainsString(sss []string, s string) bool {
-	for _, str := range sss {
-		if s == str {
-			return true
-		}
-	}
-	return false
-}
-
 // IPLDsContainBytes used to check if a list of strings contains a particular string
 func IPLDsContainBytes(iplds []ipfs.BlockModel, b []byte) bool {
 	for _, ipld := range iplds {
@@ -57,31 +31,3 @@ func IPLDsContainBytes(iplds []ipfs.BlockModel, b []byte) bool {
 	}
 	return false
 }
-
-// ListContainsGap used to check if a list of Gaps contains a particular Gap
-func ListContainsGap(gapList []eth.DBGap, gap eth.DBGap) bool {
-	for _, listGap := range gapList {
-		if listGap == gap {
-			return true
-		}
-	}
-	return false
-}
-
-// TestCID creates a basic CID for testing purposes
-func TestCID(b []byte) cid.Cid {
-	pref := cid.Prefix{
-		Version:  1,
-		Codec:    cid.Raw,
-		MhType:   multihash.KECCAK_256,
-		MhLength: -1,
-	}
-	c, _ := pref.Sum(b)
-	return c
-}
-
-// PublishMockIPLD writes a mhkey-data pair to the public.blocks table so that test data can FK reference the mhkey
-func PublishMockIPLD(db *postgres.DB, mhKey string, mockData []byte) error {
-	_, err := db.Exec(`INSERT INTO public.blocks (key, data) VALUES ($1, $2) ON CONFLICT (key) DO NOTHING`, mhKey, mockData)
-	return err
-}

version/version.go

@@ -20,8 +20,8 @@ import "fmt"
 
 const (
 	Major = 0       // Major version component of the current release
-	Minor = 1       // Minor version component of the current release
-	Patch = 0       // Patch version component of the current release
+	Minor = 3       // Minor version component of the current release
+	Patch = 5       // Patch version component of the current release
 	Meta  = "alpha" // Version metadata to append to the version string
 )