Support debug_traceCall API (#192)

* Implement debug_traceCall API

* Use API implementation from geth with custom backend

* Update refs in GitHub workflow

.github/workflows/on-pr-publish.yaml

@@ -28,9 +28,9 @@ jobs:
       BUILD_USERNAME: ${{ secrets.BUILD_USERNAME }}
       BUILD_KEY: ${{ secrets.BUILD_KEY }}
     with:
-      STACK_ORCHESTRATOR_REF: "b3cb26e93b7e387d96417c81f880a3b8699b67db"
+      STACK_ORCHESTRATOR_REF: "f2fd766f5400fcb9eb47b50675d2e3b1f2753702"
-      GO_ETHEREUM_REF: "d629c99d84cb8d20b89e46c1d9f852c7409829f2"
+      GO_ETHEREUM_REF: "0c1e451c9865d8d47797b35526c4875f0d224772"
-      IPLD_ETH_DB_REF: "48eb594ea95763bda8e51590f105f7a2657ac6d4"
+      IPLD_ETH_DB_REF: "be345e0733d2c025e4082c5154e441317ae94cf7"
   build:
     name: Run docker build
     runs-on: ubuntu-latest
@@ -47,11 +47,11 @@ jobs:
       - name: Run docker build
         run: make docker-build
       - name: Tag docker image
-        run: docker tag vulcanize/ipld-eth-server docker.pkg.github.com/vulcanize/ipld-eth-server/ipld-eth-server:${{steps.vars.outputs.sha}}
+        run: docker tag cerc-io/ipld-eth-server git.vdb.to/cerc-io/ipld-eth-server/ipld-eth-server:${{steps.vars.outputs.sha}}
       - name: Docker Login
-        run: echo ${{ secrets.GITHUB_TOKEN }} | docker login https://docker.pkg.github.com -u vulcanize --password-stdin
+        run: echo ${{ secrets.GITHUB_TOKEN }} | docker login https://git.vdb.to -u cerccicd --password-stdin
       - name: Docker Push
-        run: docker push docker.pkg.github.com/vulcanize/ipld-eth-server/ipld-eth-server:${{steps.vars.outputs.sha}}
+        run: docker push git.vdb.to/cerc-io/ipld-eth-server/ipld-eth-server:${{steps.vars.outputs.sha}}
 
   push_to_registries:
     name: Push Docker image to Docker Hub
@@ -68,12 +68,12 @@ jobs:
           echo ::set-output name=sha::$(echo ${GITHUB_SHA:0:7})
           echo ::set-output name=tag::$(echo ${GITHUB_REF#refs/tags/})
       - name: Docker Login to Github Registry
-        run: echo ${{ secrets.GITHUB_TOKEN }} | docker login https://docker.pkg.github.com -u vulcanize --password-stdin
+        run: echo ${{ secrets.GITHUB_TOKEN }} | docker login https://git.vdb.to -u cerccicd --password-stdin
       - name: Docker Pull
-        run: docker pull docker.pkg.github.com/vulcanize/ipld-eth-server/ipld-eth-server:${{steps.vars.outputs.sha}}
+        run: docker pull git.vdb.to/cerc-io/ipld-eth-server/ipld-eth-server:${{steps.vars.outputs.sha}}
       - name: Docker Login to Docker Registry
         run: echo ${{ secrets.VULCANIZEJENKINS_PAT }} | docker login -u vulcanizejenkins --password-stdin
       - name: Tag docker image
-        run: docker tag docker.pkg.github.com/vulcanize/ipld-eth-server/ipld-eth-server:${{steps.vars.outputs.sha}} vulcanize/ipld-eth-server:${{steps.vars.outputs.tag}}
+        run: docker tag git.vdb.to/cerc-io/ipld-eth-server/ipld-eth-server:${{steps.vars.outputs.sha}} cerc-io/ipld-eth-server:${{steps.vars.outputs.tag}}
       - name: Docker Push to Docker Hub
-        run: docker push vulcanize/ipld-eth-server:${{steps.vars.outputs.tag}}
+        run: docker push cerc-io/ipld-eth-server:${{steps.vars.outputs.tag}}

.github/workflows/run_unit_test.sh

@@ -12,31 +12,18 @@ cd ipld-eth-server
 ## Remove the branch and github related info. This way future runs wont be confused.
 rm -f /tmp/git_head_ref /tmp/git_repository
 
-# Setup the DB
+# Spin up DB and run migrations
-cd $temp_dir
+echo 'docker-compose up -d migrations ipld-eth-db'
-git clone "https://github.com/vulcanize/ipld-eth-db.git"; cd ipld-eth-db; git checkout $(cat /tmp/ipld_eth_db_ref)
+docker-compose up -d migrations ipld-eth-db
-
+trap "docker-compose down -v --remove-orphans; cd $start_dir ; rm -r $temp_dir" SIGINT SIGTERM ERR
-# Spin Up DB using Stack Orchestrator
+sleep 30
-cd $temp_dir
-git clone "https://github.com/vulcanize/stack-orchestrator.git"; cd stack-orchestrator; git checkout $(cat /tmp/stack_orchestrator_ref)
-
-cd ${temp_dir}/stack-orchestrator
-echo vulcanize_ipld_eth_db=${temp_dir}/ipld-eth-db > ./config.sh
-
-## Remove existing containers if they are present
-docker-compose -f docker/local/docker-compose-db-sharding.yml --env-file ./config.sh down -v --remove-orphans;
-
-trap 'cd ${temp_dir}/stack-orchestrator; docker-compose -f docker/local/docker-compose-db-sharding.yml --env-file ./config.sh down -v --remove-orphans; ' SIGINT SIGTERM
-docker-compose -f docker/local/docker-compose-db-sharding.yml --env-file ./config.sh up -d
 
 # Remove old logs so there's no confusion, then run test
 rm -f /tmp/test.log /tmp/return_test.txt
-cd ${temp_dir}/ipld-eth-server
 PGPASSWORD=password DATABASE_USER=vdbm DATABASE_PORT=8077 DATABASE_PASSWORD=password DATABASE_HOSTNAME=localhost DATABASE_NAME=vulcanize_testing make test >  /tmp/test.log
 echo $? > /tmp/return_test.txt
 
 # Clean up
-
+docker-compose down -v --remove-orphans
-cd ${temp_dir}/stack-orchestrator; docker-compose -f docker/local/docker-compose-db-sharding.yml --env-file ./config.sh down -v --remove-orphans
 cd $start_dir
 rm -fr $temp_dir

.github/workflows/tests.yaml

@@ -37,7 +37,7 @@ jobs:
       BUILD_KEY: ${{ secrets.BUILD_KEY }}
     #strategy:
     #  matrix:
-    #    go-version: [1.16.x, 1.17.x]
+    #    go-version: [1.16.x, 1.17.x, 1.18.x]
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v2
@@ -46,8 +46,6 @@ jobs:
       - name: Output variables to files
         run: |
           echo $GITHUB_REPOSITORY > /tmp/git_repository
-          echo ${{ inputs.IPLD_ETH_DB_REF }} > /tmp/ipld_eth_db_ref
-          echo ${{ inputs.STACK_ORCHESTRATOR_REF }} > /tmp/stack_orchestrator_ref
           [ -z "$GITHUB_HEAD_REF" ] && echo $GITHUB_REF_NAME > /tmp/git_head_ref || echo $GITHUB_HEAD_REF > /tmp/git_head_ref
           echo "-----BEGIN OPENSSH PRIVATE KEY-----" >> /tmp/key
           echo ${{ env.BUILD_KEY }} >> /tmp/key
@@ -55,15 +53,11 @@ jobs:
           chmod 400 /tmp/key
           cat /tmp/git_repository
           cat /tmp/git_head_ref
-          cat /tmp/stack_orchestrator_ref
-          cat /tmp/ipld_eth_db_ref
 
       - name: Raw SCP
         run: |
           scp -o 'StrictHostKeyChecking no' -o UserKnownHostsFile=/dev/null -q -i /tmp/key /tmp/git_repository ${{ env.BUILD_USERNAME }}@${{ env.BUILD_HOSTNAME }}:/tmp/git_repository
           scp -o 'StrictHostKeyChecking no' -o UserKnownHostsFile=/dev/null -q -i /tmp/key /tmp/git_head_ref ${{ env.BUILD_USERNAME }}@${{ env.BUILD_HOSTNAME }}:/tmp/git_head_ref
-          scp -o 'StrictHostKeyChecking no' -o UserKnownHostsFile=/dev/null -q -i /tmp/key /tmp/stack_orchestrator_ref ${{ env.BUILD_USERNAME }}@${{ env.BUILD_HOSTNAME }}:/tmp/stack_orchestrator_ref
-          scp -o 'StrictHostKeyChecking no' -o UserKnownHostsFile=/dev/null -q -i /tmp/key /tmp/ipld_eth_db_ref ${{ env.BUILD_USERNAME }}@${{ env.BUILD_HOSTNAME }}:/tmp/ipld_eth_db_ref
           scp -o 'StrictHostKeyChecking no' -o UserKnownHostsFile=/dev/null -q -i /tmp/key .github/workflows/run_unit_test.sh ${{ env.BUILD_USERNAME }}@${{ env.BUILD_HOSTNAME }}:/tmp/run_unit_test.sh
 
       - name: Trigger Unit Test
@@ -95,7 +89,7 @@ jobs:
         run: mkdir -p /tmp/go
       - uses: actions/setup-go@v3
         with:
-          go-version: ">=1.18.0"
+          go-version: "1.18.x"
           check-latest: true
       - uses: actions/checkout@v2
         with:
@@ -108,12 +102,12 @@ jobs:
       - uses: actions/checkout@v2
         with:
           ref: ${{ inputs.GO_ETHEREUM_REF }}
-          repository: vulcanize/go-ethereum
+          repository: cerc-io/go-ethereum
           path: "./go-ethereum/"
       - uses: actions/checkout@v2
         with:
           ref: ${{ inputs.IPLD_ETH_DB_REF }}
-          repository: vulcanize/ipld-eth-db
+          repository: cerc-io/ipld-eth-db
           path: "./ipld-eth-db/"
       - name: Create config file
         run: |
@@ -121,12 +115,11 @@ jobs:
           echo vulcanize_ipld_eth_db=$GITHUB_WORKSPACE/ipld-eth-db/ >> ./config.sh
           echo vulcanize_ipld_eth_server=$GITHUB_WORKSPACE/ipld-eth-server/ >> ./config.sh
           echo vulcanize_test_contract=$GITHUB_WORKSPACE/ipld-eth-server/test/contract >> ./config.sh
+          echo genesis_file_path=start-up-files/go-ethereum/genesis.json >> ./config.sh
           echo db_write=$DB_WRITE >> ./config.sh
           echo eth_forward_eth_calls=$ETH_FORWARD_ETH_CALLS >> ./config.sh
           echo eth_proxy_on_error=$ETH_PROXY_ON_ERROR >> ./config.sh
           echo eth_http_path=$ETH_HTTP_PATH >> ./config.sh
-          echo watched_address_gap_filler_enabled=false >> ./config.sh
-          echo watched_address_gap_filler_interval=5 >> ./config.sh
           cat ./config.sh
       - name: Build geth
         run: |
@@ -164,7 +157,7 @@ jobs:
         run: mkdir -p /tmp/go
       - uses: actions/setup-go@v3
         with:
-          go-version: ">=1.18.0"
+          go-version: "1.18.x"
           check-latest: true
       - uses: actions/checkout@v2
         with:
@@ -177,12 +170,12 @@ jobs:
       - uses: actions/checkout@v2
         with:
           ref: ${{ inputs.GO_ETHEREUM_REF }}
-          repository: vulcanize/go-ethereum
+          repository: cerc-io/go-ethereum
           path: "./go-ethereum/"
       - uses: actions/checkout@v2
         with:
           ref: ${{ inputs.IPLD_ETH_DB_REF }}
-          repository: vulcanize/ipld-eth-db
+          repository: cerc-io/ipld-eth-db
           path: "./ipld-eth-db/"
       - name: Create config file
         run: |
@@ -190,12 +183,11 @@ jobs:
           echo vulcanize_ipld_eth_db=$GITHUB_WORKSPACE/ipld-eth-db/ >> ./config.sh
           echo vulcanize_ipld_eth_server=$GITHUB_WORKSPACE/ipld-eth-server/ >> ./config.sh
           echo vulcanize_test_contract=$GITHUB_WORKSPACE/ipld-eth-server/test/contract >>./config.sh
+          echo genesis_file_path=start-up-files/go-ethereum/genesis.json >> ./config.sh
           echo db_write=$DB_WRITE >> ./config.sh
           echo eth_forward_eth_calls=$ETH_FORWARD_ETH_CALLS >> ./config.sh
           echo eth_proxy_on_error=$ETH_PROXY_ON_ERROR >> ./config.sh
           echo eth_http_path=$ETH_HTTP_PATH >> ./config.sh
-          echo watched_address_gap_filler_enabled=false >> ./config.sh
-          echo watched_address_gap_filler_interval=5 >> ./config.sh
           cat ./config.sh
       - name: Build geth
         run: |

Dockerfile

@@ -5,7 +5,7 @@ RUN apk --update --no-cache add make git g++ linux-headers
 RUN apk add busybox-extras
 
 # Build ipld-eth-server
-WORKDIR /go/src/github.com/vulcanize/ipld-eth-server
+WORKDIR /go/src/github.com/cerc-io/ipld-eth-server
 
 # Cache the modules
 ENV GO111MODULE=on
@@ -37,13 +37,13 @@ USER $USER
 
 # chown first so dir is writable
 # note: using $USER is merged, but not in the stable release yet
-COPY --chown=5000:5000 --from=builder /go/src/github.com/vulcanize/ipld-eth-server/$CONFIG_FILE config.toml
+COPY --chown=5000:5000 --from=builder /go/src/github.com/cerc-io/ipld-eth-server/$CONFIG_FILE config.toml
-COPY --chown=5000:5000 --from=builder /go/src/github.com/vulcanize/ipld-eth-server/entrypoint.sh .
+COPY --chown=5000:5000 --from=builder /go/src/github.com/cerc-io/ipld-eth-server/entrypoint.sh .
 
 
 # keep binaries immutable
-COPY --from=builder /go/src/github.com/vulcanize/ipld-eth-server/ipld-eth-server ipld-eth-server
+COPY --from=builder /go/src/github.com/cerc-io/ipld-eth-server/ipld-eth-server ipld-eth-server
 COPY --from=builder /goose goose
-COPY --from=builder /go/src/github.com/vulcanize/ipld-eth-server/environments environments
+COPY --from=builder /go/src/github.com/cerc-io/ipld-eth-server/environments environments
 
 ENTRYPOINT ["/app/entrypoint.sh"]

Makefile

@@ -51,19 +51,19 @@ TEST_CONNECT_STRING = postgresql://$(DATABASE_USER):$(DATABASE_PASSWORD)@$(DATAB
 TEST_CONNECT_STRING_LOCAL = postgresql://$(USER)@$(HOST_NAME):$(PORT)/$(TEST_DB)?sslmode=disable
 
 .PHONY: test
-test: |  $(GOOSE)
+test:
 	go vet ./...
 	go fmt ./...
 	go run github.com/onsi/ginkgo/ginkgo  -r --skipPackage=test
 
 .PHONY: integrationtest
-integrationtest: | $(GOOSE)
+integrationtest:
 	go vet ./...
 	go fmt ./...
 	go run github.com/onsi/ginkgo/ginkgo -r test/ -v
 
 .PHONY: test_local
-test_local: | $(GOOSE)
+test_local:
 	go vet ./...
 	go fmt ./...
 	./scripts/run_unit_test.sh
@@ -135,4 +135,4 @@ import:
 ## Build docker image
 .PHONY: docker-build
 docker-build:
-	docker build -t vulcanize/ipld-eth-server .
+	docker build -t cerc-io/ipld-eth-server .

README.md

@@ -22,20 +22,20 @@ Additional, unique endpoints are exposed which utilize the new indexes and state
 
 ## Dependencies
 Minimal build dependencies
-* Go (1.13)
+* Go (1.18)
 * Git
 * GCC compiler
 * This repository
 
 External dependency
-* Postgres database populated by [ipld-eth-indexer](https://github.com/vulcanize/ipld-eth-indexer)
+* Postgres database populated by [ipld-eth-db](https://github.com/cerc-io/ipld-eth-db)
 
 ## Install
 Start by downloading ipld-eth-server and moving into the repo:
 
-`GO111MODULE=off go get -d github.com/vulcanize/ipld-eth-server/v4`
+`GO111MODULE=off go get -d github.com/cerc-io/ipld-eth-server/v4`
 
-`cd $GOPATH/src/github.com/vulcanize/ipld-eth-server/v4@v4.x.x`
+`cd $GOPATH/src/github.com/cerc-io/ipld-eth-server/v4@v4.x.x`
 
 Then, build the binary:
 

cmd/root.go

@@ -27,7 +27,7 @@ import (
 	"github.com/spf13/cobra"
 	"github.com/spf13/viper"
 
-	"github.com/vulcanize/ipld-eth-server/v4/pkg/prom"
+	"github.com/cerc-io/ipld-eth-server/v4/pkg/prom"
 )
 
 var (

cmd/serve.go

@@ -17,6 +17,7 @@ package cmd
 
 import (
 	"errors"
+	"github.com/mailgun/groupcache/v2"
 	"net/http"
 	"net/url"
 	"os"
@@ -26,17 +27,16 @@ import (
 	"time"
 
 	"github.com/ethereum/go-ethereum/rpc"
-	"github.com/mailgun/groupcache/v2"
 	log "github.com/sirupsen/logrus"
 	"github.com/spf13/cobra"
 	"github.com/spf13/viper"
 	"github.com/vulcanize/gap-filler/pkg/mux"
 
-	"github.com/vulcanize/ipld-eth-server/v4/pkg/eth"
+	"github.com/cerc-io/ipld-eth-server/v4/pkg/eth"
-	"github.com/vulcanize/ipld-eth-server/v4/pkg/graphql"
+	"github.com/cerc-io/ipld-eth-server/v4/pkg/graphql"
-	srpc "github.com/vulcanize/ipld-eth-server/v4/pkg/rpc"
+	srpc "github.com/cerc-io/ipld-eth-server/v4/pkg/rpc"
-	s "github.com/vulcanize/ipld-eth-server/v4/pkg/serve"
+	s "github.com/cerc-io/ipld-eth-server/v4/pkg/serve"
-	v "github.com/vulcanize/ipld-eth-server/v4/version"
+	v "github.com/cerc-io/ipld-eth-server/v4/version"
 )
 
 var ErrNoRpcEndpoints = errors.New("no rpc endpoints is available")
@@ -123,7 +123,7 @@ func startServers(server s.Server, settings *s.Config) error {
 
 	if settings.WSEnabled {
 		logWithCommand.Info("starting up WS server")
-		_, _, err := srpc.StartWSEndpoint(settings.WSEndpoint, server.APIs(), []string{"vdb", "net"}, nil, true)
+		_, _, err := srpc.StartWSEndpoint(settings.WSEndpoint, server.APIs(), []string{"vdb", "net"}, nil)
 		if err != nil {
 			return err
 		}
@@ -133,7 +133,7 @@ func startServers(server s.Server, settings *s.Config) error {
 
 	if settings.HTTPEnabled {
 		logWithCommand.Info("starting up HTTP server")
-		_, err := srpc.StartHTTPEndpoint(settings.HTTPEndpoint, server.APIs(), []string{"vdb", "eth", "net"}, nil, []string{"*"}, rpc.HTTPTimeouts{})
+		_, err := srpc.StartHTTPEndpoint(settings.HTTPEndpoint, server.APIs(), []string{"vdb", "eth", "debug", "net"}, nil, []string{"*"}, rpc.HTTPTimeouts{})
 		if err != nil {
 			return err
 		}

cmd/subscribe.go

@@ -27,9 +27,9 @@ import (
 	"github.com/spf13/cobra"
 	"github.com/spf13/viper"
 
-	"github.com/vulcanize/ipld-eth-server/v4/pkg/client"
+	"github.com/cerc-io/ipld-eth-server/v4/pkg/client"
-	"github.com/vulcanize/ipld-eth-server/v4/pkg/eth"
+	"github.com/cerc-io/ipld-eth-server/v4/pkg/eth"
-	w "github.com/vulcanize/ipld-eth-server/v4/pkg/serve"
+	w "github.com/cerc-io/ipld-eth-server/v4/pkg/serve"
 )
 
 // subscribeCmd represents the subscribe command

cmd/validate.go

@@ -18,14 +18,14 @@ package cmd
 import (
 	"time"
 
+	validator "github.com/cerc-io/eth-ipfs-state-validator/v4/pkg"
+	ipfsethdb "github.com/cerc-io/ipfs-ethdb/v4/postgres"
 	"github.com/ethereum/go-ethereum/common"
 	log "github.com/sirupsen/logrus"
 	"github.com/spf13/cobra"
 	"github.com/spf13/viper"
-	validator "github.com/vulcanize/eth-ipfs-state-validator/v4/pkg"
-	ipfsethdb "github.com/vulcanize/ipfs-ethdb/v4/postgres"
 
-	s "github.com/vulcanize/ipld-eth-server/v4/pkg/serve"
+	s "github.com/cerc-io/ipld-eth-server/v4/pkg/serve"
 )
 
 const GroupName = "statedb-validate"

cmd/version.go

@@ -19,7 +19,7 @@ import (
 	log "github.com/sirupsen/logrus"
 	"github.com/spf13/cobra"
 
-	v "github.com/vulcanize/ipld-eth-server/v4/version"
+	v "github.com/cerc-io/ipld-eth-server/v4/version"
 )
 
 // versionCmd represents the version command

docker-compose.yml

@@ -1,18 +1,29 @@
 version: '3.2'
 
 services:
-  ipld-eth-db:
+  migrations:
     restart: on-failure
     depends_on:
-      - access-node
+      - ipld-eth-db
-    image: vulcanize/ipld-eth-db:v4.1.1-alpha
+    image: git.vdb.to/cerc-io/ipld-eth-db/ipld-eth-db:v4.2.1-alpha-unstable
     environment:
       DATABASE_USER: "vdbm"
-      DATABASE_NAME: "vulcanize_testing_v4"
+      DATABASE_NAME: "vulcanize_testing"
       DATABASE_PASSWORD: "password"
-      DATABASE_HOSTNAME: "access-node"
+      DATABASE_HOSTNAME: "ipld-eth-db"
       DATABASE_PORT: 5432
 
+  ipld-eth-db:
+    image: timescale/timescaledb:latest-pg14
+    restart: always
+    command: ["postgres", "-c", "log_statement=all"]
+    environment:
+      POSTGRES_USER: "vdbm"
+      POSTGRES_DB: "vulcanize_testing"
+      POSTGRES_PASSWORD: "password"
+    ports:
+      - "127.0.0.1:8077:5432"
+
   eth-server:
     restart: unless-stopped
     depends_on:
@@ -44,20 +55,5 @@ services:
     ports:
      - "127.0.0.1:8081:8081"
 
-  graphql:
-    restart: unless-stopped
-    depends_on:
-      - ipld-eth-db
-    image: vulcanize/postgraphile:v1.0.1
-    environment:
-      - PG_HOST=db
-      - PG_PORT=5432
-      - PG_DATABASE=vulcanize_public
-      - PG_USER=vdbm
-      - PG_PASSWORD=password
-      - SCHEMA=public,eth
-    ports:
-      - "127.0.0.1:5000:5000"
-
 volumes:
   vdb_db_eth_server:

documentation/apis.md

@@ -40,9 +40,9 @@ An example of how to subscribe to a real-time Ethereum data feed from ipld-eth-s
     	"github.com/ethereum/go-ethereum/rpc"
     	"github.com/spf13/viper"
 
-        "github.com/vulcanize/ipld-eth-server/v4/pkg/client"
+        "github.com/cerc-io/ipld-eth-server/v4/pkg/client"
-        "github.com/vulcanize/ipld-eth-server/v4/pkg/eth"
+        "github.com/cerc-io/ipld-eth-server/v4/pkg/eth"
-        "github.com/vulcanize/ipld-eth-server/v4/pkg/watch"
+        "github.com/cerc-io/ipld-eth-server/v4/pkg/watch"
     )
 
     config, _ := eth.NewEthSubscriptionConfig()

go.mod

@@ -1,47 +1,52 @@
-module github.com/vulcanize/ipld-eth-server/v4
+module github.com/cerc-io/ipld-eth-server/v4
 
 go 1.18
 
 require (
-	github.com/ethereum/go-ethereum v1.10.19
+	github.com/cerc-io/eth-ipfs-state-validator/v4 v4.0.8-alpha
+	github.com/cerc-io/ipfs-ethdb/v4 v4.0.8-alpha
+	github.com/ethereum/go-ethereum v1.10.23
 	github.com/graph-gophers/graphql-go v1.3.0
 	github.com/ipfs/go-block-format v0.0.3
-	github.com/ipfs/go-cid v0.0.7
+	github.com/ipfs/go-cid v0.2.0
-	github.com/ipfs/go-ipfs-blockstore v1.0.1
+	github.com/ipfs/go-ipfs-blockstore v1.2.0
-	github.com/ipfs/go-ipfs-ds-help v1.0.0
+	github.com/ipfs/go-ipfs-ds-help v1.1.0
 	github.com/jmoiron/sqlx v1.3.5
 	github.com/joho/godotenv v1.4.0
 	github.com/lib/pq v1.10.6
 	github.com/machinebox/graphql v0.2.2
 	github.com/mailgun/groupcache/v2 v2.3.0
-	github.com/multiformats/go-multihash v0.1.0
+	github.com/multiformats/go-multihash v0.2.0
 	github.com/onsi/ginkgo v1.16.5
 	github.com/onsi/gomega v1.19.0
-	github.com/prometheus/client_golang v1.11.0
+	github.com/prometheus/client_golang v1.12.1
-	github.com/sirupsen/logrus v1.8.1
+	github.com/sirupsen/logrus v1.9.0
 	github.com/spf13/cobra v1.4.0
 	github.com/spf13/viper v1.11.0
-	github.com/vulcanize/eth-ipfs-state-validator/v4 v4.0.3-alpha
 	github.com/vulcanize/gap-filler v0.4.0
-	github.com/vulcanize/ipfs-ethdb/v4 v4.0.2-alpha
 	gorm.io/driver/postgres v1.3.7
 	gorm.io/gorm v1.23.5
 )
 
 require (
 	bazil.org/fuse v0.0.0-20200117225306-7b5117fecadc // indirect
-	github.com/StackExchange/wmi v0.0.0-20180116203802-5d049714c4a6 // indirect
 	github.com/Stebalien/go-bitfield v0.0.1 // indirect
 	github.com/VictoriaMetrics/fastcache v1.6.0 // indirect
-	github.com/benbjohnson/clock v1.1.0 // indirect
+	github.com/alecthomas/units v0.0.0-20210927113745-59d0afb8317a // indirect
+	github.com/benbjohnson/clock v1.3.0 // indirect
 	github.com/beorn7/perks v1.0.1 // indirect
 	github.com/blang/semver/v4 v4.0.0 // indirect
 	github.com/btcsuite/btcd v0.22.1 // indirect
 	github.com/btcsuite/btcd/btcec/v2 v2.2.0 // indirect
+	github.com/btcsuite/btcd/chaincfg/chainhash v1.0.1 // indirect
 	github.com/cenkalti/backoff v2.2.1+incompatible // indirect
-	github.com/cenkalti/backoff/v4 v4.1.1 // indirect
+	github.com/cenkalti/backoff/v4 v4.1.3 // indirect
-	github.com/cespare/xxhash/v2 v2.1.1 // indirect
+	github.com/cerc-io/go-eth-state-node-iterator v1.1.7 // indirect
+	github.com/cespare/xxhash/v2 v2.1.2 // indirect
 	github.com/cheekybits/genny v1.0.0 // indirect
+	github.com/containerd/cgroups v1.0.3 // indirect
+	github.com/coreos/go-systemd/v22 v22.3.2 // indirect
+	github.com/cpuguy83/go-md2man/v2 v2.0.2 // indirect
 	github.com/crackcomm/go-gitignore v0.0.0-20170627025303-887ab5e44cc3 // indirect
 	github.com/cskr/pubsub v1.0.2 // indirect
 	github.com/davecgh/go-spew v1.1.1 // indirect
@@ -49,28 +54,35 @@ require (
 	github.com/deckarep/golang-set v1.8.0 // indirect
 	github.com/decred/dcrd/dcrec/secp256k1/v4 v4.0.1 // indirect
 	github.com/deepmap/oapi-codegen v1.8.2 // indirect
+	github.com/docker/go-units v0.4.0 // indirect
+	github.com/dustin/go-humanize v1.0.0 // indirect
 	github.com/edsrzf/mmap-go v1.0.0 // indirect
+	github.com/elastic/gosigar v0.14.2 // indirect
 	github.com/facebookgo/atomicfile v0.0.0-20151019160806-2de1f203e7d5 // indirect
 	github.com/fjl/memsize v0.0.0-20190710130421-bcb5799ab5e5 // indirect
 	github.com/flynn/noise v1.0.0 // indirect
 	github.com/francoispqt/gojay v1.2.13 // indirect
 	github.com/friendsofgo/graphiql v0.2.2 // indirect
-	github.com/fsnotify/fsnotify v1.5.1 // indirect
+	github.com/fsnotify/fsnotify v1.5.4 // indirect
 	github.com/gballet/go-libpcsclite v0.0.0-20190607065134-2772fd86a8ff // indirect
 	github.com/georgysavva/scany v0.2.9 // indirect
-	github.com/go-ole/go-ole v1.2.1 // indirect
+	github.com/go-logr/logr v1.2.3 // indirect
+	github.com/go-logr/stdr v1.2.2 // indirect
+	github.com/go-ole/go-ole v1.2.6 // indirect
 	github.com/go-stack/stack v1.8.0 // indirect
 	github.com/go-task/slim-sprig v0.0.0-20210107165309-348f09dbbbc0 // indirect
+	github.com/godbus/dbus/v5 v5.1.0 // indirect
 	github.com/gogo/protobuf v1.3.2 // indirect
 	github.com/golang-jwt/jwt/v4 v4.3.0 // indirect
 	github.com/golang/protobuf v1.5.2 // indirect
 	github.com/golang/snappy v0.0.4 // indirect
 	github.com/google/gopacket v1.1.19 // indirect
 	github.com/google/uuid v1.3.0 // indirect
-	github.com/gorilla/websocket v1.4.2 // indirect
+	github.com/gopherjs/gopherjs v0.0.0-20190812055157-5d271430af9f // indirect
+	github.com/gorilla/websocket v1.5.0 // indirect
 	github.com/graphql-go/graphql v0.7.9 // indirect
 	github.com/hannahhoward/go-pubsub v0.0.0-20200423002714-8d62886cc36e // indirect
-	github.com/hashicorp/errwrap v1.0.0 // indirect
+	github.com/hashicorp/errwrap v1.1.0 // indirect
 	github.com/hashicorp/go-bexpr v0.1.10 // indirect
 	github.com/hashicorp/go-multierror v1.1.1 // indirect
 	github.com/hashicorp/golang-lru v0.5.5-0.20210104140557-80c98217689d // indirect
@@ -83,47 +95,49 @@ require (
 	github.com/influxdata/influxdb-client-go/v2 v2.4.0 // indirect
 	github.com/influxdata/line-protocol v0.0.0-20210311194329-9aa0e372d097 // indirect
 	github.com/ipfs/bbloom v0.0.4 // indirect
-	github.com/ipfs/go-bitswap v0.4.0 // indirect
+	github.com/ipfs/go-bitfield v1.0.0 // indirect
-	github.com/ipfs/go-blockservice v0.1.7 // indirect
+	github.com/ipfs/go-bitswap v0.8.0 // indirect
-	github.com/ipfs/go-cidutil v0.0.2 // indirect
+	github.com/ipfs/go-blockservice v0.4.0 // indirect
-	github.com/ipfs/go-datastore v0.4.6 // indirect
+	github.com/ipfs/go-cidutil v0.1.0 // indirect
-	github.com/ipfs/go-ds-measure v0.1.0 // indirect
+	github.com/ipfs/go-datastore v0.5.1 // indirect
-	github.com/ipfs/go-fetcher v1.5.0 // indirect
+	github.com/ipfs/go-delegated-routing v0.3.0 // indirect
-	github.com/ipfs/go-filestore v1.0.0 // indirect
+	github.com/ipfs/go-ds-measure v0.2.0 // indirect
+	github.com/ipfs/go-fetcher v1.6.1 // indirect
+	github.com/ipfs/go-filestore v1.2.0 // indirect
 	github.com/ipfs/go-fs-lock v0.0.7 // indirect
-	github.com/ipfs/go-graphsync v0.8.0 // indirect
+	github.com/ipfs/go-graphsync v0.13.1 // indirect
-	github.com/ipfs/go-ipfs v0.10.0 // indirect
 	github.com/ipfs/go-ipfs-chunker v0.0.5 // indirect
-	github.com/ipfs/go-ipfs-config v0.16.0 // indirect
 	github.com/ipfs/go-ipfs-delay v0.0.1 // indirect
-	github.com/ipfs/go-ipfs-exchange-interface v0.0.1 // indirect
+	github.com/ipfs/go-ipfs-exchange-interface v0.2.0 // indirect
-	github.com/ipfs/go-ipfs-exchange-offline v0.0.1 // indirect
+	github.com/ipfs/go-ipfs-exchange-offline v0.3.0 // indirect
-	github.com/ipfs/go-ipfs-files v0.0.8 // indirect
+	github.com/ipfs/go-ipfs-files v0.1.1 // indirect
 	github.com/ipfs/go-ipfs-keystore v0.0.2 // indirect
-	github.com/ipfs/go-ipfs-pinner v0.1.2 // indirect
+	github.com/ipfs/go-ipfs-pinner v0.2.1 // indirect
 	github.com/ipfs/go-ipfs-posinfo v0.0.1 // indirect
 	github.com/ipfs/go-ipfs-pq v0.0.2 // indirect
-	github.com/ipfs/go-ipfs-provider v0.6.1 // indirect
+	github.com/ipfs/go-ipfs-provider v0.7.1 // indirect
-	github.com/ipfs/go-ipfs-routing v0.1.0 // indirect
+	github.com/ipfs/go-ipfs-routing v0.2.1 // indirect
 	github.com/ipfs/go-ipfs-util v0.0.2 // indirect
 	github.com/ipfs/go-ipld-cbor v0.0.5 // indirect
-	github.com/ipfs/go-ipld-format v0.2.0 // indirect
+	github.com/ipfs/go-ipld-format v0.4.0 // indirect
-	github.com/ipfs/go-ipld-legacy v0.1.0 // indirect
+	github.com/ipfs/go-ipld-legacy v0.1.1 // indirect
 	github.com/ipfs/go-ipns v0.1.2 // indirect
 	github.com/ipfs/go-log v1.0.5 // indirect
-	github.com/ipfs/go-log/v2 v2.3.0 // indirect
+	github.com/ipfs/go-log/v2 v2.5.1 // indirect
-	github.com/ipfs/go-merkledag v0.4.0 // indirect
+	github.com/ipfs/go-merkledag v0.6.0 // indirect
 	github.com/ipfs/go-metrics-interface v0.0.1 // indirect
-	github.com/ipfs/go-mfs v0.1.2 // indirect
+	github.com/ipfs/go-mfs v0.2.1 // indirect
-	github.com/ipfs/go-namesys v0.3.1 // indirect
+	github.com/ipfs/go-namesys v0.5.0 // indirect
-	github.com/ipfs/go-path v0.1.2 // indirect
+	github.com/ipfs/go-path v0.3.0 // indirect
-	github.com/ipfs/go-peertaskqueue v0.4.0 // indirect
+	github.com/ipfs/go-peertaskqueue v0.7.1 // indirect
-	github.com/ipfs/go-unixfs v0.2.5 // indirect
+	github.com/ipfs/go-unixfs v0.4.0 // indirect
-	github.com/ipfs/go-unixfsnode v1.1.3 // indirect
+	github.com/ipfs/go-unixfsnode v1.4.0 // indirect
 	github.com/ipfs/go-verifcid v0.0.1 // indirect
-	github.com/ipfs/interface-go-ipfs-core v0.5.1 // indirect
+	github.com/ipfs/interface-go-ipfs-core v0.7.0 // indirect
-	github.com/ipld/go-codec-dagpb v1.3.0 // indirect
+	github.com/ipfs/kubo v0.14.0 // indirect
-	github.com/ipld/go-ipld-prime v0.12.2 // indirect
+	github.com/ipld/edelweiss v0.1.4 // indirect
+	github.com/ipld/go-codec-dagpb v1.4.0 // indirect
+	github.com/ipld/go-ipld-prime v0.17.0 // indirect
 	github.com/jackc/chunkreader/v2 v2.0.1 // indirect
 	github.com/jackc/pgconn v1.12.1 // indirect
 	github.com/jackc/pgio v1.0.0 // indirect
@@ -139,57 +153,38 @@ require (
 	github.com/jinzhu/copier v0.2.4 // indirect
 	github.com/jinzhu/inflection v1.0.0 // indirect
 	github.com/jinzhu/now v1.1.4 // indirect
-	github.com/klauspost/compress v1.11.7 // indirect
+	github.com/klauspost/compress v1.15.1 // indirect
-	github.com/klauspost/cpuid/v2 v2.0.9 // indirect
+	github.com/klauspost/cpuid/v2 v2.0.12 // indirect
 	github.com/koron/go-ssdp v0.0.2 // indirect
-	github.com/libp2p/go-addr-util v0.1.0 // indirect
 	github.com/libp2p/go-buffer-pool v0.0.2 // indirect
 	github.com/libp2p/go-cidranger v1.1.0 // indirect
-	github.com/libp2p/go-conn-security-multistream v0.2.1 // indirect
+	github.com/libp2p/go-doh-resolver v0.4.0 // indirect
-	github.com/libp2p/go-doh-resolver v0.3.1 // indirect
 	github.com/libp2p/go-eventbus v0.2.1 // indirect
 	github.com/libp2p/go-flow-metrics v0.0.3 // indirect
-	github.com/libp2p/go-libp2p v0.15.0 // indirect
+	github.com/libp2p/go-libp2p v0.20.3 // indirect
-	github.com/libp2p/go-libp2p-asn-util v0.0.0-20200825225859-85005c6cf052 // indirect
+	github.com/libp2p/go-libp2p-asn-util v0.2.0 // indirect
-	github.com/libp2p/go-libp2p-autonat v0.4.2 // indirect
+	github.com/libp2p/go-libp2p-core v0.16.1 // indirect
-	github.com/libp2p/go-libp2p-blankhost v0.2.0 // indirect
+	github.com/libp2p/go-libp2p-discovery v0.7.0 // indirect
-	github.com/libp2p/go-libp2p-circuit v0.4.0 // indirect
+	github.com/libp2p/go-libp2p-kad-dht v0.16.0 // indirect
-	github.com/libp2p/go-libp2p-connmgr v0.2.4 // indirect
-	github.com/libp2p/go-libp2p-core v0.9.0 // indirect
-	github.com/libp2p/go-libp2p-discovery v0.5.1 // indirect
-	github.com/libp2p/go-libp2p-kad-dht v0.13.1 // indirect
 	github.com/libp2p/go-libp2p-kbucket v0.4.7 // indirect
 	github.com/libp2p/go-libp2p-loggables v0.1.0 // indirect
-	github.com/libp2p/go-libp2p-mplex v0.4.1 // indirect
+	github.com/libp2p/go-libp2p-peerstore v0.6.0 // indirect
-	github.com/libp2p/go-libp2p-nat v0.0.6 // indirect
+	github.com/libp2p/go-libp2p-pubsub v0.6.1 // indirect
-	github.com/libp2p/go-libp2p-noise v0.2.2 // indirect
+	github.com/libp2p/go-libp2p-pubsub-router v0.5.0 // indirect
-	github.com/libp2p/go-libp2p-peerstore v0.2.8 // indirect
-	github.com/libp2p/go-libp2p-pnet v0.2.0 // indirect
-	github.com/libp2p/go-libp2p-pubsub v0.5.4 // indirect
-	github.com/libp2p/go-libp2p-pubsub-router v0.4.0 // indirect
-	github.com/libp2p/go-libp2p-quic-transport v0.12.0 // indirect
 	github.com/libp2p/go-libp2p-record v0.1.3 // indirect
+	github.com/libp2p/go-libp2p-resource-manager v0.3.0 // indirect
 	github.com/libp2p/go-libp2p-routing-helpers v0.2.3 // indirect
-	github.com/libp2p/go-libp2p-swarm v0.5.3 // indirect
+	github.com/libp2p/go-libp2p-swarm v0.11.0 // indirect
-	github.com/libp2p/go-libp2p-tls v0.2.0 // indirect
+	github.com/libp2p/go-libp2p-xor v0.1.0 // indirect
-	github.com/libp2p/go-libp2p-transport-upgrader v0.4.6 // indirect
+	github.com/libp2p/go-mplex v0.7.0 // indirect
-	github.com/libp2p/go-libp2p-xor v0.0.0-20210714161855-5c005aca55db // indirect
+	github.com/libp2p/go-msgio v0.2.0 // indirect
-	github.com/libp2p/go-libp2p-yamux v0.5.4 // indirect
+	github.com/libp2p/go-nat v0.1.0 // indirect
-	github.com/libp2p/go-maddr-filter v0.1.0 // indirect
+	github.com/libp2p/go-netroute v0.2.0 // indirect
-	github.com/libp2p/go-mplex v0.3.0 // indirect
-	github.com/libp2p/go-msgio v0.0.6 // indirect
-	github.com/libp2p/go-nat v0.0.5 // indirect
-	github.com/libp2p/go-netroute v0.1.6 // indirect
 	github.com/libp2p/go-openssl v0.0.7 // indirect
-	github.com/libp2p/go-reuseport v0.0.2 // indirect
+	github.com/libp2p/go-reuseport v0.2.0 // indirect
-	github.com/libp2p/go-reuseport-transport v0.0.5 // indirect
+	github.com/libp2p/go-yamux/v3 v3.1.2 // indirect
-	github.com/libp2p/go-sockaddr v0.1.1 // indirect
+	github.com/libp2p/zeroconf/v2 v2.1.1 // indirect
-	github.com/libp2p/go-stream-muxer-multistream v0.3.0 // indirect
+	github.com/lucas-clemente/quic-go v0.27.1 // indirect
-	github.com/libp2p/go-tcp-transport v0.2.8 // indirect
-	github.com/libp2p/go-ws-transport v0.5.0 // indirect
-	github.com/libp2p/go-yamux/v2 v2.2.0 // indirect
-	github.com/libp2p/zeroconf/v2 v2.0.0 // indirect
-	github.com/lucas-clemente/quic-go v0.26.0 // indirect
 	github.com/magiconair/properties v1.8.6 // indirect
 	github.com/marten-seemann/qtls-go1-16 v0.1.5 // indirect
 	github.com/marten-seemann/qtls-go1-17 v0.1.1 // indirect
@@ -201,27 +196,28 @@ require (
 	github.com/mattn/go-runewidth v0.0.9 // indirect
 	github.com/mattn/go-sqlite3 v2.0.3+incompatible // indirect
 	github.com/matttproud/golang_protobuf_extensions v1.0.1 // indirect
-	github.com/miekg/dns v1.1.43 // indirect
+	github.com/miekg/dns v1.1.48 // indirect
 	github.com/mikioh/tcpinfo v0.0.0-20190314235526-30a79bb1804b // indirect
 	github.com/mikioh/tcpopt v0.0.0-20190314235656-172688c1accc // indirect
-	github.com/minio/blake2b-simd v0.0.0-20160723061019-3f5f724cb5b1 // indirect
 	github.com/minio/sha256-simd v1.0.0 // indirect
 	github.com/mitchellh/go-homedir v1.1.0 // indirect
 	github.com/mitchellh/mapstructure v1.4.3 // indirect
 	github.com/mitchellh/pointerstructure v1.2.0 // indirect
 	github.com/mr-tron/base58 v1.2.0 // indirect
-	github.com/multiformats/go-base32 v0.0.3 // indirect
+	github.com/multiformats/go-base32 v0.0.4 // indirect
 	github.com/multiformats/go-base36 v0.1.0 // indirect
-	github.com/multiformats/go-multiaddr v0.4.0 // indirect
+	github.com/multiformats/go-multiaddr v0.5.0 // indirect
 	github.com/multiformats/go-multiaddr-dns v0.3.1 // indirect
 	github.com/multiformats/go-multiaddr-fmt v0.1.0 // indirect
-	github.com/multiformats/go-multibase v0.0.3 // indirect
+	github.com/multiformats/go-multibase v0.1.0 // indirect
-	github.com/multiformats/go-multicodec v0.3.0 // indirect
+	github.com/multiformats/go-multicodec v0.5.0 // indirect
-	github.com/multiformats/go-multistream v0.2.2 // indirect
+	github.com/multiformats/go-multistream v0.3.3 // indirect
 	github.com/multiformats/go-varint v0.0.6 // indirect
 	github.com/nxadm/tail v1.4.8 // indirect
 	github.com/olekukonko/tablewriter v0.0.5 // indirect
+	github.com/opencontainers/runtime-spec v1.0.2 // indirect
 	github.com/opentracing/opentracing-go v1.2.0 // indirect
+	github.com/pbnjay/memory v0.0.0-20210728143218-7b4eea64cf58 // indirect
 	github.com/pelletier/go-toml v1.9.4 // indirect
 	github.com/pelletier/go-toml/v2 v2.0.0-beta.8 // indirect
 	github.com/peterh/liner v1.1.1-0.20190123174540-a2c9a5303de7 // indirect
@@ -230,13 +226,17 @@ require (
 	github.com/pmezard/go-difflib v1.0.0 // indirect
 	github.com/polydawn/refmt v0.0.0-20201211092308-30ac6d18308e // indirect
 	github.com/prometheus/client_model v0.2.0 // indirect
-	github.com/prometheus/common v0.30.0 // indirect
+	github.com/prometheus/common v0.33.0 // indirect
 	github.com/prometheus/procfs v0.7.3 // indirect
-	github.com/prometheus/tsdb v0.7.1 // indirect
+	github.com/prometheus/tsdb v0.10.0 // indirect
+	github.com/raulk/clock v1.1.0 // indirect
+	github.com/raulk/go-watchdog v1.2.0 // indirect
 	github.com/rjeczalik/notify v0.9.1 // indirect
 	github.com/rs/cors v1.7.0 // indirect
+	github.com/russross/blackfriday/v2 v2.1.0 // indirect
 	github.com/segmentio/fasthash v1.0.3 // indirect
-	github.com/shirou/gopsutil v3.21.4-0.20210419000835-c7a38de76ee5+incompatible // indirect
+	github.com/shirou/gopsutil v3.21.11+incompatible // indirect
+	github.com/smartystreets/assertions v1.0.1 // indirect
 	github.com/spacemonkeygo/spacelog v0.0.0-20180420211403-2296661a0572 // indirect
 	github.com/spaolacci/murmur3 v1.1.0 // indirect
 	github.com/spf13/afero v1.8.2 // indirect
@@ -245,48 +245,52 @@ require (
 	github.com/spf13/pflag v1.0.5 // indirect
 	github.com/status-im/keycard-go v0.0.0-20190316090335-8537d3370df4 // indirect
 	github.com/stretchr/objx v0.2.0 // indirect
-	github.com/stretchr/testify v1.7.1 // indirect
+	github.com/stretchr/testify v1.7.2 // indirect
 	github.com/subosito/gotenv v1.2.0 // indirect
-	github.com/syndtr/goleveldb v1.0.1-0.20210819022825-2ae1ddf74ef7 // indirect
+	github.com/syndtr/goleveldb v1.0.1-0.20220614013038-64ee5596c38a // indirect
 	github.com/thoas/go-funk v0.9.2 // indirect
+	github.com/tidwall/gjson v1.14.0 // indirect
+	github.com/tidwall/match v1.1.1 // indirect
+	github.com/tidwall/pretty v1.2.0 // indirect
 	github.com/tklauser/go-sysconf v0.3.5 // indirect
 	github.com/tklauser/numcpus v0.2.2 // indirect
 	github.com/tyler-smith/go-bip39 v1.0.1-0.20181017060643-dbb3b84ba2ef // indirect
+	github.com/urfave/cli/v2 v2.10.2 // indirect
 	github.com/valyala/fastjson v1.6.3 // indirect
+	github.com/wI2L/jsondiff v0.2.0 // indirect
 	github.com/whyrusleeping/base32 v0.0.0-20170828182744-c30ac30633cc // indirect
 	github.com/whyrusleeping/cbor-gen v0.0.0-20210219115102-f37d292932f2 // indirect
 	github.com/whyrusleeping/chunker v0.0.0-20181014151217-fe64bd25879f // indirect
 	github.com/whyrusleeping/go-keyspace v0.0.0-20160322163242-5b898ac5add1 // indirect
-	github.com/whyrusleeping/mdns v0.0.0-20190826153040-b9b60ed33aa9 // indirect
 	github.com/whyrusleeping/multiaddr-filter v0.0.0-20160516205228-e903e4adabd7 // indirect
 	github.com/whyrusleeping/timecache v0.0.0-20160911033111-cfcb2f1abfee // indirect
+	github.com/xrash/smetrics v0.0.0-20201216005158-039620a65673 // indirect
+	github.com/yusufpapurcu/wmi v1.2.2 // indirect
 	go.opencensus.io v0.23.0 // indirect
-	go.opentelemetry.io/otel v0.20.0 // indirect
+	go.opentelemetry.io/otel v1.7.0 // indirect
-	go.opentelemetry.io/otel/metric v0.20.0 // indirect
+	go.opentelemetry.io/otel/trace v1.7.0 // indirect
-	go.opentelemetry.io/otel/trace v0.20.0 // indirect
 	go.uber.org/atomic v1.9.0 // indirect
-	go.uber.org/dig v1.10.0 // indirect
+	go.uber.org/dig v1.14.0 // indirect
-	go.uber.org/fx v1.13.1 // indirect
+	go.uber.org/fx v1.16.0 // indirect
-	go.uber.org/multierr v1.7.0 // indirect
+	go.uber.org/multierr v1.8.0 // indirect
-	go.uber.org/zap v1.19.0 // indirect
+	go.uber.org/zap v1.21.0 // indirect
 	go4.org v0.0.0-20200411211856-f5505b9728dd // indirect
-	golang.org/x/crypto v0.0.0-20220525230936-793ad666bf5e // indirect
+	golang.org/x/crypto v0.0.0-20220829220503-c86fa9a7ed90 // indirect
-	golang.org/x/mod v0.6.0-dev.0.20211013180041-c96bc1413d57 // indirect
+	golang.org/x/mod v0.6.0-dev.0.20220106191415-9b9b3d81d5e3 // indirect
-	golang.org/x/net v0.0.0-20220412020605-290c469a71a5 // indirect
+	golang.org/x/net v0.0.0-20220607020251-c690dde0001d // indirect
 	golang.org/x/sync v0.0.0-20210220032951-036812b2e83c // indirect
-	golang.org/x/sys v0.0.0-20220412211240-33da011f77ad // indirect
+	golang.org/x/sys v0.0.0-20220715151400-c0bba94af5f8 // indirect
 	golang.org/x/text v0.3.7 // indirect
 	golang.org/x/time v0.0.0-20210220033141-f8bda1e9f3ba // indirect
-	golang.org/x/tools v0.1.8-0.20211029000441-d6a9af8af023 // indirect
+	golang.org/x/tools v0.1.10 // indirect
-	golang.org/x/xerrors v0.0.0-20220411194840-2f41105eb62f // indirect
+	golang.org/x/xerrors v0.0.0-20220517211312-f3a8303e98df // indirect
 	google.golang.org/protobuf v1.28.0 // indirect
 	gopkg.in/ini.v1 v1.66.4 // indirect
 	gopkg.in/natefinch/npipe.v2 v2.0.0-20160621034901-c1b8fa8bdcce // indirect
 	gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7 // indirect
-	gopkg.in/urfave/cli.v1 v1.20.0 // indirect
 	gopkg.in/yaml.v2 v2.4.0 // indirect
-	gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b // indirect
+	gopkg.in/yaml.v3 v3.0.1 // indirect
-	lukechampine.com/blake3 v1.1.6 // indirect
+	lukechampine.com/blake3 v1.1.7 // indirect
 )
 
-replace github.com/ethereum/go-ethereum v1.10.19 => github.com/vulcanize/go-ethereum v1.10.19-statediff-4.0.2-alpha
+replace github.com/ethereum/go-ethereum v1.10.23 => github.com/cerc-io/go-ethereum v1.10.23-statediff-4.2.0-alpha

main.go

@@ -18,7 +18,7 @@ package main
 import (
 	"github.com/sirupsen/logrus"
 
-	"github.com/vulcanize/ipld-eth-server/v4/cmd"
+	"github.com/cerc-io/ipld-eth-server/v4/cmd"
 )
 
 func main() {

pkg/client/client.go

@@ -22,8 +22,8 @@ import (
 
 	"github.com/ethereum/go-ethereum/rpc"
 
-	"github.com/vulcanize/ipld-eth-server/v4/pkg/eth"
+	"github.com/cerc-io/ipld-eth-server/v4/pkg/eth"
-	"github.com/vulcanize/ipld-eth-server/v4/pkg/serve"
+	"github.com/cerc-io/ipld-eth-server/v4/pkg/serve"
 )
 
 // Client is used to subscribe to the ipld-eth-server ipld data stream

pkg/debug/backend.go

@@ -0,0 +1,54 @@
+// VulcanizeDB
+// Copyright © 2022 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 debug
+
+import (
+	"context"
+	"errors"
+
+	"github.com/ethereum/go-ethereum/core"
+	"github.com/ethereum/go-ethereum/core/state"
+	"github.com/ethereum/go-ethereum/core/types"
+	"github.com/ethereum/go-ethereum/core/vm"
+	"github.com/ethereum/go-ethereum/eth/tracers"
+	"github.com/ethereum/go-ethereum/rpc"
+
+	"github.com/cerc-io/ipld-eth-server/v4/pkg/eth"
+)
+
+var _ tracers.Backend = &Backend{}
+
+var (
+	errMethodNotSupported = errors.New("backend method not supported")
+)
+
+// Backend implements tracers.Backend interface
+type Backend struct {
+	eth.Backend
+}
+
+// StateAtBlock retrieves the state database associated with a certain block
+func (b *Backend) StateAtBlock(ctx context.Context, block *types.Block, reexec uint64, base *state.StateDB, checkLive, preferDisk bool) (*state.StateDB, error) {
+	rpcBlockNumber := rpc.BlockNumber(block.NumberU64())
+	statedb, _, err := b.StateAndHeaderByNumberOrHash(ctx, rpc.BlockNumberOrHashWithNumber(rpcBlockNumber))
+	return statedb, err
+}
+
+// StateAtTransaction returns the execution environment of a certain transaction
+func (b *Backend) StateAtTransaction(ctx context.Context, block *types.Block, txIndex int, reexec uint64) (core.Message, vm.BlockContext, *state.StateDB, error) {
+	return nil, vm.BlockContext{}, nil, errMethodNotSupported
+}

pkg/eth/api.go

@@ -42,7 +42,12 @@ import (
 	"github.com/ethereum/go-ethereum/statediff"
 	"github.com/sirupsen/logrus"
 
-	"github.com/vulcanize/ipld-eth-server/v4/pkg/shared"
+	"github.com/cerc-io/ipld-eth-server/v4/pkg/shared"
+)
+
+const (
+	defaultEVMTimeout       = 30 * time.Second
+	defaultStateDiffTimeout = 240 * time.Second
 )
 
 // APIName is the namespace for the watcher's eth api
@@ -66,6 +71,9 @@ type PublicEthAPI struct {
 
 // NewPublicEthAPI creates a new PublicEthAPI with the provided underlying Backend
 func NewPublicEthAPI(b *Backend, client *rpc.Client, supportsStateDiff, forwardEthCalls, proxyOnError bool) (*PublicEthAPI, error) {
+	if b == nil {
+		return nil, errors.New("ipld-eth-server must be configured with an ethereum backend")
+	}
 	if forwardEthCalls && client == nil {
 		return nil, errors.New("ipld-eth-server is configured to forward eth_calls to proxy node but no proxy node is configured")
 	}
@@ -120,11 +128,10 @@ func (pea *PublicEthAPI) GetHeaderByHash(ctx context.Context, hash common.Hash)
 	}
 
 	if pea.proxyOnError {
-		if header, err := pea.ethClient.HeaderByHash(ctx, hash); header != nil && err == nil {
+		var result map[string]interface{}
+		if err := pea.rpc.CallContext(ctx, &result, "eth_getHeaderByHash", hash); result != nil && err == nil {
 			go pea.writeStateDiffFor(hash)
-			if res, err := pea.rpcMarshalHeader(header); err != nil {
+			return result
-				return res
-			}
 		}
 	}
 
@@ -156,6 +163,7 @@ func (pea *PublicEthAPI) BlockNumber() hexutil.Uint64 {
 // * When fullTx is true all transactions in the block are returned, otherwise
 //   only the transaction hash is returned.
 func (pea *PublicEthAPI) GetBlockByNumber(ctx context.Context, number rpc.BlockNumber, fullTx bool) (map[string]interface{}, error) {
+	logrus.Debug("Received getBlockByNumber request for number ", number.Int64())
 	block, err := pea.B.BlockByNumber(ctx, number)
 	if block != nil && err == nil {
 		return pea.rpcMarshalBlock(block, true, fullTx)
@@ -174,6 +182,7 @@ func (pea *PublicEthAPI) GetBlockByNumber(ctx context.Context, number rpc.BlockN
 // GetBlockByHash returns the requested block. When fullTx is true all transactions in the block are returned in full
 // detail, otherwise only the transaction hash is returned.
 func (pea *PublicEthAPI) GetBlockByHash(ctx context.Context, hash common.Hash, fullTx bool) (map[string]interface{}, error) {
+	logrus.Debug("Received getBlockByHash request for hash ", hash.Hex())
 	block, err := pea.B.BlockByHash(ctx, hash)
 	if block != nil && err == nil {
 		return pea.rpcMarshalBlock(block, true, fullTx)
@@ -190,21 +199,17 @@ func (pea *PublicEthAPI) GetBlockByHash(ctx context.Context, hash common.Hash, f
 }
 
 // ChainId is the EIP-155 replay-protection chain id for the current ethereum chain config.
-func (pea *PublicEthAPI) ChainId() (*hexutil.Big, error) {
+func (pea *PublicEthAPI) ChainId() *hexutil.Big {
-	block, err := pea.B.CurrentBlock()
+	if pea.B.Config.ChainConfig.ChainID == nil || pea.B.Config.ChainConfig.ChainID.Cmp(big.NewInt(0)) <= 0 {
-	if err != nil {
 		if pea.proxyOnError {
 			if id, err := pea.ethClient.ChainID(context.Background()); err == nil {
-				return (*hexutil.Big)(id), nil
+				return (*hexutil.Big)(id)
 			}
 		}
-		return nil, err
+		return nil
 	}
 
-	if config := pea.B.Config.ChainConfig; config.IsEIP155(block.Number()) {
+	return (*hexutil.Big)(pea.B.Config.ChainConfig.ChainID)
-		return (*hexutil.Big)(config.ChainID), nil
-	}
-	return nil, fmt.Errorf("chain not synced beyond EIP-155 replay-protection fork block")
 }
 
 /*
@@ -927,7 +932,7 @@ func (pea *PublicEthAPI) Call(ctx context.Context, args CallArgs, blockNrOrHash
 		return hex, err
 	}
 
-	result, err := DoCall(ctx, pea.B, args, blockNrOrHash, overrides, 5*time.Second, pea.B.Config.RPCGasCap.Uint64())
+	result, err := DoCall(ctx, pea.B, args, blockNrOrHash, overrides, defaultEVMTimeout, pea.B.Config.RPCGasCap.Uint64())
 
 	// If the result contains a revert reason, try to unpack and return it.
 	if err == nil {
@@ -945,7 +950,12 @@ func (pea *PublicEthAPI) Call(ctx context.Context, args CallArgs, blockNrOrHash
 			return hex, nil
 		}
 	}
+
+	if result != nil {
 		return result.Return(), err
+	} else {
+		return nil, err
+	}
 }
 
 func DoCall(ctx context.Context, b *Backend, args CallArgs, blockNrOrHash rpc.BlockNumberOrHash, overrides *StateOverride, timeout time.Duration, globalGasCap uint64) (*core.ExecutionResult, error) {
@@ -1054,7 +1064,7 @@ func (pea *PublicEthAPI) writeStateDiffAt(height int64) {
 		return
 	}
 	// we use a separate context than the one provided by the client
-	ctx, cancel := context.WithTimeout(context.Background(), 240*time.Second)
+	ctx, cancel := context.WithTimeout(context.Background(), defaultStateDiffTimeout)
 	defer cancel()
 	var data json.RawMessage
 	params := statediff.Params{
@@ -1076,7 +1086,7 @@ func (pea *PublicEthAPI) writeStateDiffFor(blockHash common.Hash) {
 		return
 	}
 	// we use a separate context than the one provided by the client
-	ctx, cancel := context.WithTimeout(context.Background(), 240*time.Second)
+	ctx, cancel := context.WithTimeout(context.Background(), defaultStateDiffTimeout)
 	defer cancel()
 	var data json.RawMessage
 	params := statediff.Params{
@@ -1096,11 +1106,13 @@ func (pea *PublicEthAPI) writeStateDiffFor(blockHash common.Hash) {
 func (pea *PublicEthAPI) rpcMarshalBlock(b *types.Block, inclTx bool, fullTx bool) (map[string]interface{}, error) {
 	fields, err := RPCMarshalBlock(b, inclTx, fullTx)
 	if err != nil {
+		logrus.Errorf("error RPC marshalling block with hash %s: %s", b.Hash().String(), err)
 		return nil, err
 	}
 	if inclTx {
 		td, err := pea.B.GetTd(b.Hash())
 		if err != nil {
+			logrus.Errorf("error getting td for block with hash and number %s, %s: %s", b.Hash().String(), b.Number().String(), err)
 			return nil, err
 		}
 		fields["totalDifficulty"] = (*hexutil.Big)(td)

pkg/eth/api_test.go

@@ -21,6 +21,10 @@ import (
 	"math/big"
 	"strconv"
 
+	"github.com/cerc-io/ipld-eth-server/v4/pkg/eth"
+	"github.com/cerc-io/ipld-eth-server/v4/pkg/eth/test_helpers"
+	"github.com/cerc-io/ipld-eth-server/v4/pkg/shared"
+	ethServerShared "github.com/cerc-io/ipld-eth-server/v4/pkg/shared"
 	"github.com/ethereum/go-ethereum/common"
 	"github.com/ethereum/go-ethereum/common/hexutil"
 	"github.com/ethereum/go-ethereum/core/types"
@@ -35,11 +39,6 @@ import (
 	"github.com/jmoiron/sqlx"
 	. "github.com/onsi/ginkgo"
 	. "github.com/onsi/gomega"
-
-	"github.com/vulcanize/ipld-eth-server/v4/pkg/eth"
-	"github.com/vulcanize/ipld-eth-server/v4/pkg/eth/test_helpers"
-	"github.com/vulcanize/ipld-eth-server/v4/pkg/shared"
-	ethServerShared "github.com/vulcanize/ipld-eth-server/v4/pkg/shared"
 )
 
 var (
@@ -334,6 +333,18 @@ var _ = Describe("API", func() {
 			Expect(err).ToNot(HaveOccurred())
 			Expect(block["baseFee"].(*big.Int)).To(Equal(baseFee))
 		})
+		It("Retrieves a block by number with uncles in correct order", func() {
+			block, err := api.GetBlockByNumber(ctx, londonBlockNum, false)
+			Expect(err).ToNot(HaveOccurred())
+
+			expectedUncles := []common.Hash{
+				test_helpers.MockLondonUncles[0].Hash(),
+				test_helpers.MockLondonUncles[1].Hash(),
+			}
+			Expect(block["uncles"]).To(Equal(expectedUncles))
+			Expect(block["sha3Uncles"]).To(Equal(test_helpers.MockLondonBlock.UncleHash()))
+			Expect(block["hash"]).To(Equal(test_helpers.MockLondonBlock.Hash()))
+		})
 	})
 
 	Describe("eth_getBlockByHash", func() {
@@ -375,6 +386,18 @@ var _ = Describe("API", func() {
 			Expect(err).ToNot(HaveOccurred())
 			Expect(block["baseFee"].(*big.Int)).To(Equal(baseFee))
 		})
+		It("Retrieves a block by hash with uncles in correct order", func() {
+			block, err := api.GetBlockByHash(ctx, test_helpers.MockLondonBlock.Hash(), false)
+			Expect(err).ToNot(HaveOccurred())
+
+			expectedUncles := []common.Hash{
+				test_helpers.MockLondonUncles[0].Hash(),
+				test_helpers.MockLondonUncles[1].Hash(),
+			}
+			Expect(block["uncles"]).To(Equal(expectedUncles))
+			Expect(block["sha3Uncles"]).To(Equal(test_helpers.MockLondonBlock.UncleHash()))
+			Expect(block["hash"]).To(Equal(test_helpers.MockLondonBlock.Hash()))
+		})
 	})
 
 	/*

pkg/eth/backend.go

@@ -24,6 +24,8 @@ import (
 	"math/big"
 	"time"
 
+	validator "github.com/cerc-io/eth-ipfs-state-validator/v4/pkg"
+	ipfsethdb "github.com/cerc-io/ipfs-ethdb/v4/postgres"
 	"github.com/ethereum/go-ethereum/common"
 	"github.com/ethereum/go-ethereum/common/hexutil"
 	"github.com/ethereum/go-ethereum/consensus"
@@ -39,16 +41,13 @@ import (
 	"github.com/ethereum/go-ethereum/params"
 	"github.com/ethereum/go-ethereum/rlp"
 	"github.com/ethereum/go-ethereum/rpc"
-	"github.com/ethereum/go-ethereum/statediff/indexer/models"
 	"github.com/ethereum/go-ethereum/trie"
 	"github.com/jmoiron/sqlx"
 	log "github.com/sirupsen/logrus"
-	validator "github.com/vulcanize/eth-ipfs-state-validator/v4/pkg"
-	ipfsethdb "github.com/vulcanize/ipfs-ethdb/v4/postgres"
 
 	ethServerShared "github.com/ethereum/go-ethereum/statediff/indexer/shared"
 
-	"github.com/vulcanize/ipld-eth-server/v4/pkg/shared"
+	"github.com/cerc-io/ipld-eth-server/v4/pkg/shared"
 )
 
 var (
@@ -56,18 +55,18 @@ var (
 	errNegativeBlockNumber    = errors.New("negative block number not supported")
 	errHeaderHashNotFound     = errors.New("header for hash not found")
 	errHeaderNotFound         = errors.New("header not found")
+	errMultipleHeadersForHash = errors.New("more than one headers for the given hash")
+	errTxHashNotFound         = errors.New("transaction for hash not found")
+	errTxHashInMultipleBlocks = errors.New("transaction for hash found in more than one canonical block")
 
 	// errMissingSignature is returned if a block's extra-data section doesn't seem
 	// to contain a 65 byte secp256k1 signature.
 )
 
 const (
-	RetrieveCanonicalBlockHashByNumber = `SELECT block_hash FROM eth.header_cids
+	RetrieveCanonicalBlockHashByNumber = `SELECT block_hash
-									INNER JOIN public.blocks ON (
+									FROM canonical_header_hash($1) AS block_hash
-										header_cids.mh_key = blocks.key
+									WHERE block_hash IS NOT NULL`
-										AND header_cids.block_number = blocks.block_number
-									)
-									WHERE block_hash = (SELECT canonical_header_hash($1))`
 	RetrieveCanonicalHeaderByNumber = `SELECT cid, data FROM eth.header_cids
 									INNER JOIN public.blocks ON (
 										header_cids.mh_key = blocks.key
@@ -76,13 +75,12 @@ const (
 									WHERE block_hash = (SELECT canonical_header_hash($1))`
 	RetrieveTD = `SELECT CAST(td as Text) FROM eth.header_cids
 			WHERE header_cids.block_hash = $1`
-	RetrieveRPCTransaction = `SELECT blocks.data, block_hash, transaction_cids.block_number, index
+	RetrieveRPCTransaction = `SELECT blocks.data, header_id, transaction_cids.block_number, index
-			FROM public.blocks, eth.transaction_cids, eth.header_cids
+			FROM public.blocks, eth.transaction_cids
 			WHERE blocks.key = transaction_cids.mh_key
 			AND blocks.block_number = transaction_cids.block_number
-			AND transaction_cids.header_id = header_cids.block_hash
+			AND transaction_cids.tx_hash = $1
-			AND transaction_cids.block_number = header_cids.block_number
+			AND transaction_cids.header_id = (SELECT canonical_header_hash(transaction_cids.block_number))`
-			AND transaction_cids.tx_hash = $1`
 	RetrieveCodeHashByLeafKeyAndBlockHash = `SELECT code_hash FROM eth.state_accounts, eth.state_cids, eth.header_cids
 											WHERE state_accounts.header_id = state_cids.header_id
 											AND state_accounts.state_path = state_cids.state_path
@@ -193,7 +191,23 @@ func (b *Backend) HeaderByNumber(ctx context.Context, blockNumber rpc.BlockNumbe
 
 // HeaderByHash gets the header for the provided block hash
 func (b *Backend) HeaderByHash(ctx context.Context, hash common.Hash) (*types.Header, error) {
-	_, headerRLP, err := b.IPLDRetriever.RetrieveHeaderByHash(hash)
+	// Begin tx
+	tx, err := b.DB.Beginx()
+	if err != nil {
+		return nil, err
+	}
+	defer func() {
+		if p := recover(); p != nil {
+			shared.Rollback(tx)
+			panic(p)
+		} else if err != nil {
+			shared.Rollback(tx)
+		} else {
+			err = tx.Commit()
+		}
+	}()
+
+	_, headerRLP, err := b.IPLDRetriever.RetrieveHeaderByHash(tx, hash)
 	if err != nil {
 		return nil, err
 	}
@@ -244,6 +258,11 @@ func (b *Backend) GetTd(blockHash common.Hash) (*big.Int, error) {
 	return td, nil
 }
 
+// ChainConfig returns the active chain configuration.
+func (b *Backend) ChainConfig() *params.ChainConfig {
+	return b.Config.ChainConfig
+}
+
 // CurrentBlock returns the current block
 func (b *Backend) CurrentBlock() (*types.Block, error) {
 	block, err := b.BlockByNumber(context.Background(), rpc.LatestBlockNumber)
@@ -282,7 +301,7 @@ func (b *Backend) BlockByNumberOrHash(ctx context.Context, blockNrOrHash rpc.Blo
 	return nil, errors.New("invalid arguments; neither block nor hash specified")
 }
 
-// BlockByNumber returns the requested canonical block.
+// BlockByNumber returns the requested canonical block
 func (b *Backend) BlockByNumber(ctx context.Context, blockNumber rpc.BlockNumber) (*types.Block, error) {
 	var err error
 	number := blockNumber.Int64()
@@ -304,6 +323,7 @@ func (b *Backend) BlockByNumber(ctx context.Context, blockNumber rpc.BlockNumber
 	if number < 0 {
 		return nil, errNegativeBlockNumber
 	}
+
 	// Get the canonical hash
 	canonicalHash, err := b.GetCanonicalHash(uint64(number))
 	if err != nil {
@@ -312,112 +332,12 @@ func (b *Backend) BlockByNumber(ctx context.Context, blockNumber rpc.BlockNumber
 		}
 		return nil, err
 	}
-	// Retrieve all the CIDs for the block
+
-	// TODO: optimize this by retrieving iplds directly rather than the cids first (this is remanent from when we fetched iplds through ipfs blockservice interface)
+	return b.BlockByHash(ctx, canonicalHash)
-	headerCID, uncleCIDs, txCIDs, rctCIDs, err := b.Retriever.RetrieveBlockByHash(canonicalHash)
-	if err != nil {
-		if err == sql.ErrNoRows {
-			return nil, nil
-		}
-		return nil, err
 }
 
-	// Begin tx
+// BlockByHash returns the requested block
-	tx, err := b.DB.Beginx()
-	if err != nil {
-		return nil, err
-	}
-	defer func() {
-		if p := recover(); p != nil {
-			shared.Rollback(tx)
-			panic(p)
-		} else if err != nil {
-			shared.Rollback(tx)
-		} else {
-			err = tx.Commit()
-		}
-	}()
-
-	// Fetch and decode the header IPLD
-	var headerIPLD models.IPLDModel
-	headerIPLD, err = b.Fetcher.FetchHeader(tx, headerCID)
-	if err != nil {
-		if err == sql.ErrNoRows {
-			return nil, nil
-		}
-		return nil, err
-	}
-	var header types.Header
-	err = rlp.DecodeBytes(headerIPLD.Data, &header)
-	if err != nil {
-		return nil, err
-	}
-	// Fetch and decode the uncle IPLDs
-	var uncleIPLDs []models.IPLDModel
-	uncleIPLDs, err = b.Fetcher.FetchUncles(tx, uncleCIDs)
-	if err != nil {
-		return nil, err
-	}
-	var uncles []*types.Header
-	for _, uncleIPLD := range uncleIPLDs {
-		var uncle types.Header
-		err = rlp.DecodeBytes(uncleIPLD.Data, &uncle)
-		if err != nil {
-			return nil, err
-		}
-		uncles = append(uncles, &uncle)
-	}
-	// Fetch and decode the transaction IPLDs
-	var txIPLDs []models.IPLDModel
-	txIPLDs, err = b.Fetcher.FetchTrxs(tx, txCIDs)
-	if err != nil {
-		return nil, err
-	}
-	var transactions []*types.Transaction
-	for _, txIPLD := range txIPLDs {
-		var transaction types.Transaction
-		err = transaction.UnmarshalBinary(txIPLD.Data)
-		if err != nil {
-			return nil, err
-		}
-		transactions = append(transactions, &transaction)
-	}
-	// Fetch and decode the receipt IPLDs
-	var rctIPLDs []models.IPLDModel
-	rctIPLDs, err = b.Fetcher.FetchRcts(tx, rctCIDs)
-	if err != nil {
-		return nil, err
-	}
-	var receipts []*types.Receipt
-	for _, rctIPLD := range rctIPLDs {
-		var receipt types.Receipt
-		nodeVal, err := DecodeLeafNode(rctIPLD.Data)
-		if err != nil {
-			return nil, err
-		}
-
-		err = receipt.UnmarshalBinary(nodeVal)
-		if err != nil {
-			return nil, err
-		}
-		receipts = append(receipts, &receipt)
-	}
-	// Compose everything together into a complete block
-	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
-// detail, otherwise only the transaction hash is returned.
 func (b *Backend) BlockByHash(ctx context.Context, hash common.Hash) (*types.Block, error) {
-	// Retrieve all the CIDs for the block
-	headerCID, uncleCIDs, txCIDs, rctCIDs, err := b.Retriever.RetrieveBlockByHash(hash)
-	if err != nil {
-		if err == sql.ErrNoRows {
-			return nil, nil
-		}
-		return nil, err
-	}
-
 	// Begin tx
 	tx, err := b.DB.Beginx()
 	if err != nil {
@@ -434,105 +354,176 @@ func (b *Backend) BlockByHash(ctx context.Context, hash common.Hash) (*types.Blo
 		}
 	}()
 
-	// Fetch and decode the header IPLD
+	// Fetch header
-	var headerIPLD models.IPLDModel
+	header, err := b.GetHeaderByBlockHash(tx, hash)
-	headerIPLD, err = b.Fetcher.FetchHeader(tx, headerCID)
 	if err != nil {
+		log.Error("error fetching header: ", err)
 		if err == sql.ErrNoRows {
 			return nil, nil
 		}
 		return nil, err
 	}
-	var header types.Header
+
-	err = rlp.DecodeBytes(headerIPLD.Data, &header)
+	// Fetch uncles
-	if err != nil {
+	uncles, err := b.GetUnclesByBlockHash(tx, hash)
+	if err != nil && err != sql.ErrNoRows {
+		log.Error("error fetching uncles: ", err)
 		return nil, err
 	}
-	// Fetch and decode the uncle IPLDs
+
-	var uncleIPLDs []models.IPLDModel
+	// When num. of uncles = 2,
-	uncleIPLDs, err = b.Fetcher.FetchUncles(tx, uncleCIDs)
+	// Check if calculated uncle hash matches the one in header
-	if err != nil {
+	// If not, re-order the two uncles
-		if err == sql.ErrNoRows {
+	// Assumption: Max num. of uncles in mainnet = 2
-			return nil, nil
+	if len(uncles) == 2 {
+		uncleHash := types.CalcUncleHash(uncles)
+		if uncleHash != header.UncleHash {
+			uncles[0], uncles[1] = uncles[1], uncles[0]
+
+			uncleHash = types.CalcUncleHash(uncles)
+			// Check if uncle hash matches after re-ordering
+			if uncleHash != header.UncleHash {
+				log.Error("uncle hash mismatch for block hash: ", hash.Hex())
 			}
+		}
+	}
+
+	// Fetch transactions
+	transactions, err := b.GetTransactionsByBlockHash(tx, hash)
+	if err != nil && err != sql.ErrNoRows {
+		log.Error("error fetching transactions: ", err)
 		return nil, err
 	}
-	var uncles []*types.Header
+
-	for _, uncleIPLD := range uncleIPLDs {
+	// Fetch receipts
-		var uncle types.Header
+	receipts, err := b.GetReceiptsByBlockHash(tx, hash)
-		err = rlp.DecodeBytes(uncleIPLD.Data, &uncle)
+	if err != nil && err != sql.ErrNoRows {
-		if err != nil {
+		log.Error("error fetching receipts: ", err)
 		return nil, err
 	}
-		uncles = append(uncles, &uncle)
+
+	// Compose everything together into a complete block
+	return types.NewBlock(header, transactions, uncles, receipts, new(trie.Trie)), err
 }
-	// Fetch and decode the transaction IPLDs
+
-	var txIPLDs []models.IPLDModel
+// GetHeaderByBlockHash retrieves header for a provided block hash
-	txIPLDs, err = b.Fetcher.FetchTrxs(tx, txCIDs)
+func (b *Backend) GetHeaderByBlockHash(tx *sqlx.Tx, hash common.Hash) (*types.Header, error) {
-	if err != nil {
+	_, headerRLP, err := b.IPLDRetriever.RetrieveHeaderByHash(tx, hash)
-		if err == sql.ErrNoRows {
-			return nil, nil
-		}
-		return nil, err
-	}
-	var transactions []*types.Transaction
-	for _, txIPLD := range txIPLDs {
-		var transaction types.Transaction
-		err = transaction.UnmarshalBinary(txIPLD.Data)
-		if err != nil {
-			return nil, err
-		}
-		transactions = append(transactions, &transaction)
-	}
-	// Fetch and decode the receipt IPLDs
-	var rctIPLDs []models.IPLDModel
-	rctIPLDs, err = b.Fetcher.FetchRcts(tx, rctCIDs)
-	if err != nil {
-		if err == sql.ErrNoRows {
-			return nil, nil
-		}
-		return nil, err
-	}
-	var receipts []*types.Receipt
-	for _, rctIPLD := range rctIPLDs {
-		var receipt types.Receipt
-		nodeVal, err := DecodeLeafNode(rctIPLD.Data)
 	if err != nil {
 		return nil, err
 	}
 
-		err = receipt.UnmarshalBinary(nodeVal)
+	header := new(types.Header)
+	return header, rlp.DecodeBytes(headerRLP, header)
+}
+
+// GetUnclesByBlockHash retrieves uncles for a provided block hash
+func (b *Backend) GetUnclesByBlockHash(tx *sqlx.Tx, hash common.Hash) ([]*types.Header, error) {
+	_, uncleBytes, err := b.IPLDRetriever.RetrieveUnclesByBlockHash(tx, hash)
 	if err != nil {
 		return nil, err
 	}
-		receipts = append(receipts, &receipt)
+
+	uncles := make([]*types.Header, len(uncleBytes))
+	for i, bytes := range uncleBytes {
+		var uncle types.Header
+		err = rlp.DecodeBytes(bytes, &uncle)
+		if err != nil {
+			return nil, err
 		}
-	// Compose everything together into a complete block
+
-	return types.NewBlock(&header, transactions, uncles, receipts, new(trie.Trie)), err
+		uncles[i] = &uncle
+	}
+
+	return uncles, nil
+}
+
+// GetTransactionsByBlockHash retrieves transactions for a provided block hash
+func (b *Backend) GetTransactionsByBlockHash(tx *sqlx.Tx, hash common.Hash) (types.Transactions, error) {
+	_, transactionBytes, err := b.IPLDRetriever.RetrieveTransactionsByBlockHash(tx, hash)
+	if err != nil {
+		return nil, err
+	}
+
+	txs := make(types.Transactions, len(transactionBytes))
+	for i, txBytes := range transactionBytes {
+		var tx types.Transaction
+		if err := tx.UnmarshalBinary(txBytes); err != nil {
+			return nil, err
+		}
+
+		txs[i] = &tx
+	}
+
+	return txs, nil
+}
+
+// GetReceiptsByBlockHash retrieves receipts for a provided block hash
+func (b *Backend) GetReceiptsByBlockHash(tx *sqlx.Tx, hash common.Hash) (types.Receipts, error) {
+	_, receiptBytes, txs, err := b.IPLDRetriever.RetrieveReceiptsByBlockHash(tx, hash)
+	if err != nil {
+		return nil, err
+	}
+	rcts := make(types.Receipts, len(receiptBytes))
+	for i, rctBytes := range receiptBytes {
+		rct := new(types.Receipt)
+		if err := rct.UnmarshalBinary(rctBytes); err != nil {
+			return nil, err
+		}
+		rct.TxHash = txs[i]
+		rcts[i] = rct
+	}
+	return rcts, nil
 }
 
 // GetTransaction retrieves a tx by hash
 // It also returns the blockhash, blocknumber, and tx index associated with the transaction
 func (b *Backend) GetTransaction(ctx context.Context, txHash common.Hash) (*types.Transaction, common.Hash, uint64, uint64, error) {
-	var tempTxStruct struct {
+	type txRes struct {
 		Data        []byte `db:"data"`
-		BlockHash   string `db:"block_hash"`
+		HeaderID    string `db:"header_id"`
 		BlockNumber uint64 `db:"block_number"`
 		Index       uint64 `db:"index"`
 	}
-	if err := b.DB.Get(&tempTxStruct, RetrieveRPCTransaction, txHash.String()); err != nil {
+	var res = make([]txRes, 0)
+	if err := b.DB.Select(&res, RetrieveRPCTransaction, txHash.String()); err != nil {
 		return nil, common.Hash{}, 0, 0, err
 	}
+
+	if len(res) == 0 {
+		return nil, common.Hash{}, 0, 0, errTxHashNotFound
+	} else if len(res) > 1 {
+		// a transaction can be part of a only one canonical block
+		return nil, common.Hash{}, 0, 0, errTxHashInMultipleBlocks
+	}
+
 	var transaction types.Transaction
-	if err := transaction.UnmarshalBinary(tempTxStruct.Data); err != nil {
+	if err := transaction.UnmarshalBinary(res[0].Data); err != nil {
 		return nil, common.Hash{}, 0, 0, err
 	}
-	return &transaction, common.HexToHash(tempTxStruct.BlockHash), tempTxStruct.BlockNumber, tempTxStruct.Index, nil
+
+	return &transaction, common.HexToHash(res[0].HeaderID), res[0].BlockNumber, res[0].Index, nil
 }
 
 // GetReceipts retrieves receipts for provided block hash
 func (b *Backend) GetReceipts(ctx context.Context, hash common.Hash) (types.Receipts, error) {
-	_, receiptBytes, txs, err := b.IPLDRetriever.RetrieveReceiptsByBlockHash(hash)
+	// Begin tx
+	tx, err := b.DB.Beginx()
+	if err != nil {
+		return nil, err
+	}
+	defer func() {
+		if p := recover(); p != nil {
+			shared.Rollback(tx)
+			panic(p)
+		} else if err != nil {
+			shared.Rollback(tx)
+		} else {
+			err = tx.Commit()
+		}
+	}()
+
+	_, receiptBytes, txs, err := b.IPLDRetriever.RetrieveReceiptsByBlockHash(tx, hash)
 	if err != nil {
 		return nil, err
 	}
@@ -549,8 +540,24 @@ func (b *Backend) GetReceipts(ctx context.Context, hash common.Hash) (types.Rece
 }
 
 // GetLogs returns all the logs for the given block hash
-func (b *Backend) GetLogs(ctx context.Context, hash common.Hash) ([][]*types.Log, error) {
+func (b *Backend) GetLogs(ctx context.Context, hash common.Hash, number uint64) ([][]*types.Log, error) {
-	_, receiptBytes, txs, err := b.IPLDRetriever.RetrieveReceiptsByBlockHash(hash)
+	// Begin tx
+	tx, err := b.DB.Beginx()
+	if err != nil {
+		return nil, err
+	}
+	defer func() {
+		if p := recover(); p != nil {
+			shared.Rollback(tx)
+			panic(p)
+		} else if err != nil {
+			shared.Rollback(tx)
+		} else {
+			err = tx.Commit()
+		}
+	}()
+
+	_, receiptBytes, txs, err := b.IPLDRetriever.RetrieveReceiptsByBlockHash(tx, hash)
 	if err != nil {
 		return nil, err
 	}
@@ -847,8 +854,8 @@ func (b *Backend) ValidateTrie(stateRoot common.Hash) error {
 }
 
 // RPCGasCap returns the configured gas cap for the rpc server
-func (b *Backend) RPCGasCap() *big.Int {
+func (b *Backend) RPCGasCap() uint64 {
-	return b.Config.RPCGasCap
+	return b.Config.RPCGasCap.Uint64()
 }
 
 func (b *Backend) SubscribeNewTxsEvent(chan<- core.NewTxsEvent) event.Subscription {

pkg/eth/backend_utils.go

@@ -166,6 +166,11 @@ func NewRPCTransaction(tx *types.Transaction, blockHash common.Hash, blockNumber
 		result.TransactionIndex = (*hexutil.Uint64)(&index)
 	}
 	switch tx.Type() {
+	case types.LegacyTxType:
+		// if a legacy transaction has an EIP-155 chain id, include it explicitly
+		if id := tx.ChainId(); id.Sign() != 0 {
+			result.ChainID = (*hexutil.Big)(id)
+		}
 	case types.AccessListTxType:
 		al := tx.AccessList()
 		result.Accesses = &al

pkg/eth/cid_retriever.go

@@ -30,7 +30,7 @@ import (
 	"gorm.io/driver/postgres"
 	"gorm.io/gorm"
 
-	"github.com/vulcanize/ipld-eth-server/v4/pkg/shared"
+	"github.com/cerc-io/ipld-eth-server/v4/pkg/shared"
 )
 
 // Retriever interface for substituting mocks in tests
@@ -191,7 +191,7 @@ func (ecr *CIDRetriever) Retrieve(filter SubscriptionSettings, blockNumber int64
 		}
 		// Retrieve cached receipt CIDs
 		if !filter.ReceiptFilter.Off {
-			cw.Receipts, err = ecr.RetrieveRctCIDsByHeaderID(tx, filter.ReceiptFilter, header.BlockHash, trxHashes)
+			cw.Receipts, err = ecr.RetrieveRctCIDs(tx, filter.ReceiptFilter, 0, header.BlockHash, trxHashes)
 			if err != nil {
 				log.Error("receipt cid retrieval error")
 				return nil, true, err
@@ -258,7 +258,7 @@ func (ecr *CIDRetriever) RetrieveTxCIDs(tx *sqlx.Tx, txFilter TxFilter, headerID
 	id := 1
 	pgStr := fmt.Sprintf(`SELECT CAST(transaction_cids.block_number as Text), transaction_cids.tx_hash,
 				transaction_cids.header_id, transaction_cids.cid, transaction_cids.mh_key, transaction_cids.dst,
-				transaction_cids.src, transaction_cids.index, transaction_cids.tx_data
+				transaction_cids.src, transaction_cids.index, transaction_cids.tx_data, transaction_cids.tx_type
 				FROM eth.transaction_cids
 				INNER JOIN eth.header_cids ON (
 						transaction_cids.header_id = header_cids.block_hash
@@ -358,42 +358,22 @@ func receiptFilterConditions(id *int, pgStr string, args []interface{}, rctFilte
 	return pgStr, args
 }
 
-// RetrieveRctCIDsByHeaderID retrieves and returns all of the rct cids at the provided header ID that conform to the provided
-// filter parameters and correspond to the provided tx ids
-func (ecr *CIDRetriever) RetrieveRctCIDsByHeaderID(tx *sqlx.Tx, rctFilter ReceiptFilter, headerID string, trxHashes []string) ([]models.ReceiptModel, error) {
-	log.Debug("retrieving receipt cids for header id ", headerID)
-	args := make([]interface{}, 0, 4)
-	pgStr := `SELECT CAST(receipt_cids.block_number as Text), receipt_cids.tx_id, receipt_cids.leaf_cid,
-			receipt_cids.leaf_mh_key, receipt_cids.contract, receipt_cids.contract_hash
- 			FROM eth.receipt_cids, eth.transaction_cids, eth.header_cids
-			WHERE receipt_cids.tx_id = transaction_cids.tx_hash
-			AND receipt_cids.block_number = transaction_cids.block_number
-			AND transaction_cids.header_id = header_cids.block_hash
-			AND transaction_cids.block_number = header_cids.block_number
-			AND header_cids.block_hash = $1`
-	id := 2
-	args = append(args, headerID)
-
-	pgStr, args = receiptFilterConditions(&id, pgStr, args, rctFilter, trxHashes)
-
-	pgStr += ` ORDER BY transaction_cids.index`
-	receiptCIDs := make([]models.ReceiptModel, 0)
-	return receiptCIDs, tx.Select(&receiptCIDs, pgStr, args...)
-}
-
 // RetrieveFilteredGQLLogs retrieves and returns all the log CIDs provided blockHash that conform to the provided
 // filter parameters.
 func (ecr *CIDRetriever) RetrieveFilteredGQLLogs(tx *sqlx.Tx, rctFilter ReceiptFilter, blockHash *common.Hash) ([]LogResult, error) {
-	log.Debug("retrieving log cids for receipt ids")
+	log.Debug("retrieving log cids for receipt ids with block hash", blockHash.String())
 	args := make([]interface{}, 0, 4)
 	id := 1
 	pgStr := `SELECT CAST(eth.log_cids.block_number as Text), eth.log_cids.leaf_cid, eth.log_cids.index, eth.log_cids.rct_id,
 			eth.log_cids.address, eth.log_cids.topic0, eth.log_cids.topic1, eth.log_cids.topic2, eth.log_cids.topic3,
-       			eth.log_cids.log_data, eth.transaction_cids.tx_hash, data, eth.receipt_cids.leaf_cid as cid, eth.receipt_cids.post_status
+			eth.log_cids.log_data, eth.transaction_cids.tx_hash, eth.transaction_cids.index as txn_index, data,
+			eth.receipt_cids.leaf_cid as cid, eth.receipt_cids.post_status, header_cids.block_hash
 				FROM eth.log_cids, eth.receipt_cids, eth.transaction_cids, eth.header_cids, public.blocks
 				WHERE eth.log_cids.rct_id = receipt_cids.tx_id
+				AND eth.log_cids.header_id = eth.receipt_cids.header_id
 				AND eth.log_cids.block_number = eth.receipt_cids.block_number
 				AND receipt_cids.tx_id = transaction_cids.tx_hash
+				AND receipt_cids.header_id = transaction_cids.header_id
 				AND receipt_cids.block_number = transaction_cids.block_number
 				AND transaction_cids.header_id = header_cids.block_hash
 				AND transaction_cids.block_number = header_cids.block_number
@@ -416,7 +396,7 @@ func (ecr *CIDRetriever) RetrieveFilteredGQLLogs(tx *sqlx.Tx, rctFilter ReceiptF
 	return logCIDs, nil
 }
 
-// RetrieveFilteredLog retrieves and returns all the log cIDs provided blockHeight or blockHash that conform to the provided
+// RetrieveFilteredLog retrieves and returns all the log CIDs provided blockHeight or blockHash that conform to the provided
 // filter parameters.
 func (ecr *CIDRetriever) RetrieveFilteredLog(tx *sqlx.Tx, rctFilter ReceiptFilter, blockNumber int64, blockHash *common.Hash) ([]LogResult, error) {
 	log.Debug("retrieving log cids for receipt ids")
@@ -424,11 +404,13 @@ func (ecr *CIDRetriever) RetrieveFilteredLog(tx *sqlx.Tx, rctFilter ReceiptFilte
 	pgStr := `SELECT CAST(eth.log_cids.block_number as Text), eth.log_cids.leaf_cid, eth.log_cids.index, eth.log_cids.rct_id,
 			eth.log_cids.address, eth.log_cids.topic0, eth.log_cids.topic1, eth.log_cids.topic2, eth.log_cids.topic3,
 			eth.log_cids.log_data, eth.transaction_cids.tx_hash, eth.transaction_cids.index as txn_index,
-       			header_cids.block_hash, CAST(header_cids.block_number as Text)
+			eth.receipt_cids.leaf_cid as cid, eth.receipt_cids.post_status, header_cids.block_hash
 							FROM eth.log_cids, eth.receipt_cids, eth.transaction_cids, eth.header_cids
 							WHERE eth.log_cids.rct_id = receipt_cids.tx_id
+							AND eth.log_cids.header_id = eth.receipt_cids.header_id
 							AND eth.log_cids.block_number = eth.receipt_cids.block_number
 							AND receipt_cids.tx_id = transaction_cids.tx_hash
+							AND receipt_cids.header_id = transaction_cids.header_id
 							AND receipt_cids.block_number = transaction_cids.block_number
 							AND transaction_cids.header_id = header_cids.block_hash
 							AND transaction_cids.block_number = header_cids.block_number`
@@ -458,13 +440,14 @@ func (ecr *CIDRetriever) RetrieveFilteredLog(tx *sqlx.Tx, rctFilter ReceiptFilte
 
 // RetrieveRctCIDs retrieves and returns all of the rct cids at the provided blockheight or block hash that conform to the provided
 // filter parameters and correspond to the provided tx ids
-func (ecr *CIDRetriever) RetrieveRctCIDs(tx *sqlx.Tx, rctFilter ReceiptFilter, blockNumber int64, blockHash *common.Hash, txHashes []string) ([]models.ReceiptModel, error) {
+func (ecr *CIDRetriever) RetrieveRctCIDs(tx *sqlx.Tx, rctFilter ReceiptFilter, blockNumber int64, blockHash string, txHashes []string) ([]models.ReceiptModel, error) {
 	log.Debug("retrieving receipt cids for block ", blockNumber)
 	args := make([]interface{}, 0, 5)
-	pgStr := `SELECT CAST(receipt_cids.block_number as Text), receipt_cids.tx_id, receipt_cids.leaf_cid,
+	pgStr := `SELECT CAST(receipt_cids.block_number as Text), receipt_cids.header_id, receipt_cids.tx_id,
-			receipt_cids.leaf_mh_key,
+			receipt_cids.leaf_cid, receipt_cids.leaf_mh_key, receipt_cids.contract, receipt_cids.contract_hash
  			FROM eth.receipt_cids, eth.transaction_cids, eth.header_cids
 			WHERE receipt_cids.tx_id = transaction_cids.tx_hash
+			AND receipt_cids.header_id = transaction_cids.header_id
 			AND receipt_cids.block_number = transaction_cids.block_number
 			AND transaction_cids.header_id = header_cids.block_hash
 			AND transaction_cids.block_number = header_cids.block_number`
@@ -474,9 +457,9 @@ func (ecr *CIDRetriever) RetrieveRctCIDs(tx *sqlx.Tx, rctFilter ReceiptFilter, b
 		args = append(args, blockNumber)
 		id++
 	}
-	if blockHash != nil {
+	if blockHash != "" {
 		pgStr += fmt.Sprintf(` AND header_cids.block_hash = $%d`, id)
-		args = append(args, blockHash.String())
+		args = append(args, blockHash)
 		id++
 	}
 
@@ -609,7 +592,7 @@ func (ecr *CIDRetriever) RetrieveBlockByHash(blockHash common.Hash) (models.Head
 		txHashes[i] = txCID.TxHash
 	}
 	var rctCIDs []models.ReceiptModel
-	rctCIDs, err = ecr.RetrieveReceiptCIDsByTxIDs(tx, txHashes)
+	rctCIDs, err = ecr.RetrieveReceiptCIDsByByHeaderIDAndTxIDs(tx, headerCID.BlockHash, txHashes, blockNumber)
 	if err != nil {
 		log.Error("rct cid retrieval error")
 	}
@@ -662,7 +645,7 @@ func (ecr *CIDRetriever) RetrieveBlockByNumber(blockNumber int64) (models.Header
 		txHashes[i] = txCID.TxHash
 	}
 	var rctCIDs []models.ReceiptModel
-	rctCIDs, err = ecr.RetrieveReceiptCIDsByTxIDs(tx, txHashes)
+	rctCIDs, err = ecr.RetrieveReceiptCIDsByByHeaderIDAndTxIDs(tx, headerCID[0].BlockHash, txHashes, blockNumber)
 	if err != nil {
 		log.Error("rct cid retrieval error")
 	}
@@ -691,18 +674,21 @@ func (ecr *CIDRetriever) RetrieveTxCIDsByHeaderID(tx *sqlx.Tx, headerID string,
 	return txCIDs, tx.Select(&txCIDs, pgStr, headerID, blockNumber)
 }
 
-// RetrieveReceiptCIDsByTxIDs retrieves receipt CIDs by their associated tx IDs
+// RetrieveReceiptCIDsByByHeaderIDAndTxIDs retrieves receipt CIDs by their associated tx IDs for the given header id
-func (ecr *CIDRetriever) RetrieveReceiptCIDsByTxIDs(tx *sqlx.Tx, txHashes []string) ([]models.ReceiptModel, error) {
+func (ecr *CIDRetriever) RetrieveReceiptCIDsByByHeaderIDAndTxIDs(tx *sqlx.Tx, headerID string, txHashes []string, blockNumber int64) ([]models.ReceiptModel, error) {
 	log.Debugf("retrieving receipt cids for tx hashes %v", txHashes)
-	pgStr := `SELECT CAST(receipt_cids.block_number as Text), receipt_cids.tx_id, receipt_cids.leaf_cid, receipt_cids.leaf_mh_key,
+	pgStr := `SELECT CAST(receipt_cids.block_number as Text), receipt_cids.header_id, receipt_cids.tx_id, receipt_cids.leaf_cid,
- 			receipt_cids.contract, receipt_cids.contract_hash
+			receipt_cids.leaf_mh_key, receipt_cids.contract, receipt_cids.contract_hash
 			FROM eth.receipt_cids, eth.transaction_cids
-			WHERE tx_id = ANY($1)
+			WHERE tx_id = ANY($2)
 			AND receipt_cids.tx_id = transaction_cids.tx_hash
+			AND receipt_cids.header_id = transaction_cids.header_id
 			AND receipt_cids.block_number = transaction_cids.block_number
+			AND transaction_cids.header_id = $1
+			AND transaction_cids.block_number = $3
 			ORDER BY transaction_cids.index`
 	var rctCIDs []models.ReceiptModel
-	return rctCIDs, tx.Select(&rctCIDs, pgStr, pq.Array(txHashes))
+	return rctCIDs, tx.Select(&rctCIDs, pgStr, headerID, pq.Array(txHashes), blockNumber)
 }
 
 // RetrieveHeaderAndTxCIDsByBlockNumber retrieves header CIDs and their associated tx CIDs by block number
@@ -729,33 +715,46 @@ func (ecr *CIDRetriever) RetrieveHeaderAndTxCIDsByBlockNumber(blockNumber int64)
 func (ecr *CIDRetriever) RetrieveHeaderAndTxCIDsByBlockHash(blockHash common.Hash) (HeaderCIDRecord, error) {
 	log.Debug("retrieving header cid and tx cids for block hash ", blockHash.String())
 
-	var headerCID HeaderCIDRecord
+	var headerCIDs []HeaderCIDRecord
 
 	// https://github.com/go-gorm/gorm/issues/4083#issuecomment-778883283
 	// Will use join for TransactionCIDs once preload for 1:N is supported.
 	err := ecr.gormDB.Preload("TransactionCIDs", func(tx *gorm.DB) *gorm.DB {
 		return tx.Select("cid", "tx_hash", "index", "src", "dst", "header_id", "block_number")
-	}).Joins("IPLD").First(&headerCID, "block_hash = ?", blockHash.String()).Error
+	}).Joins("IPLD").Find(&headerCIDs, "block_hash = ?", blockHash.String()).Error
 
 	if err != nil {
 		log.Error("header cid retrieval error")
-		return headerCID, err
+		return HeaderCIDRecord{}, err
 	}
 
-	return headerCID, nil
+	if len(headerCIDs) == 0 {
+		return HeaderCIDRecord{}, errHeaderHashNotFound
+	} else if len(headerCIDs) > 1 {
+		return HeaderCIDRecord{}, errMultipleHeadersForHash
+	}
+
+	return headerCIDs[0], nil
 }
 
 // RetrieveTxCIDByHash returns the tx for the given tx hash
 func (ecr *CIDRetriever) RetrieveTxCIDByHash(txHash string) (TransactionCIDRecord, error) {
 	log.Debug("retrieving tx cid for tx hash ", txHash)
 
-	var txCID TransactionCIDRecord
+	var txCIDs []TransactionCIDRecord
 
-	err := ecr.gormDB.Joins("IPLD").First(&txCID, "tx_hash = ?", txHash).Error
+	err := ecr.gormDB.Joins("IPLD").Find(&txCIDs, "tx_hash = ? AND transaction_cids.header_id = (SELECT canonical_header_hash(transaction_cids.block_number))", txHash).Error
 	if err != nil {
 		log.Error("header cid retrieval error")
-		return txCID, err
+		return TransactionCIDRecord{}, err
 	}
 
-	return txCID, nil
+	if len(txCIDs) == 0 {
+		return TransactionCIDRecord{}, errTxHashNotFound
+	} else if len(txCIDs) > 1 {
+		// a transaction can be part of a only one canonical block
+		return TransactionCIDRecord{}, errTxHashInMultipleBlocks
+	}
+
+	return txCIDs[0], nil
 }

pkg/eth/cid_retriever_test.go

@@ -19,6 +19,9 @@ package eth_test
 import (
 	"math/big"
 
+	"github.com/cerc-io/ipld-eth-server/v4/pkg/eth"
+	"github.com/cerc-io/ipld-eth-server/v4/pkg/eth/test_helpers"
+	"github.com/cerc-io/ipld-eth-server/v4/pkg/shared"
 	"github.com/ethereum/go-ethereum/common"
 	"github.com/ethereum/go-ethereum/core/types"
 	"github.com/ethereum/go-ethereum/params"
@@ -28,10 +31,6 @@ import (
 	"github.com/jmoiron/sqlx"
 	. "github.com/onsi/ginkgo"
 	. "github.com/onsi/gomega"
-
-	"github.com/vulcanize/ipld-eth-server/v4/pkg/eth"
-	"github.com/vulcanize/ipld-eth-server/v4/pkg/eth/test_helpers"
-	"github.com/vulcanize/ipld-eth-server/v4/pkg/shared"
 )
 
 var (

pkg/eth/eth_state_test.go

@@ -23,6 +23,10 @@ import (
 	"math/big"
 	"time"
 
+	"github.com/cerc-io/ipld-eth-server/v4/pkg/eth"
+	"github.com/cerc-io/ipld-eth-server/v4/pkg/eth/test_helpers"
+	"github.com/cerc-io/ipld-eth-server/v4/pkg/shared"
+	ethServerShared "github.com/cerc-io/ipld-eth-server/v4/pkg/shared"
 	"github.com/ethereum/go-ethereum/accounts/abi"
 	"github.com/ethereum/go-ethereum/common"
 	"github.com/ethereum/go-ethereum/common/hexutil"
@@ -36,11 +40,6 @@ import (
 	"github.com/jmoiron/sqlx"
 	. "github.com/onsi/ginkgo"
 	. "github.com/onsi/gomega"
-
-	"github.com/vulcanize/ipld-eth-server/v4/pkg/eth"
-	"github.com/vulcanize/ipld-eth-server/v4/pkg/eth/test_helpers"
-	"github.com/vulcanize/ipld-eth-server/v4/pkg/shared"
-	ethServerShared "github.com/vulcanize/ipld-eth-server/v4/pkg/shared"
 )
 
 var (

pkg/eth/filterer_test.go

@@ -25,9 +25,9 @@ import (
 	. "github.com/onsi/ginkgo"
 	. "github.com/onsi/gomega"
 
-	"github.com/vulcanize/ipld-eth-server/v4/pkg/eth"
+	"github.com/cerc-io/ipld-eth-server/v4/pkg/eth"
-	"github.com/vulcanize/ipld-eth-server/v4/pkg/eth/test_helpers"
+	"github.com/cerc-io/ipld-eth-server/v4/pkg/eth/test_helpers"
-	"github.com/vulcanize/ipld-eth-server/v4/pkg/shared"
+	"github.com/cerc-io/ipld-eth-server/v4/pkg/shared"
 )
 
 var (

pkg/eth/ipld_fetcher.go

@@ -22,11 +22,11 @@ import (
 	"math/big"
 	"strconv"
 
+	"github.com/cerc-io/ipld-eth-server/v4/pkg/shared"
 	"github.com/ethereum/go-ethereum/common"
 	"github.com/ethereum/go-ethereum/statediff/indexer/models"
 	"github.com/jmoiron/sqlx"
 	log "github.com/sirupsen/logrus"
-	"github.com/vulcanize/ipld-eth-server/v4/pkg/shared"
 )
 
 // Fetcher interface for substituting mocks in tests

pkg/eth/ipld_fetcher_test.go

@@ -23,9 +23,9 @@ import (
 	. "github.com/onsi/ginkgo"
 	. "github.com/onsi/gomega"
 
-	"github.com/vulcanize/ipld-eth-server/v4/pkg/eth"
+	"github.com/cerc-io/ipld-eth-server/v4/pkg/eth"
-	"github.com/vulcanize/ipld-eth-server/v4/pkg/eth/test_helpers"
+	"github.com/cerc-io/ipld-eth-server/v4/pkg/eth/test_helpers"
-	"github.com/vulcanize/ipld-eth-server/v4/pkg/shared"
+	"github.com/cerc-io/ipld-eth-server/v4/pkg/shared"
 )
 
 var _ = Describe("IPLDFetcher", func() {

pkg/eth/ipld_retriever.go

@@ -18,7 +18,9 @@ package eth
 
 import (
 	"fmt"
+	"strconv"
 
+	"github.com/cerc-io/ipld-eth-server/v4/pkg/shared"
 	"github.com/ethereum/go-ethereum/statediff/trie_helpers"
 	sdtypes "github.com/ethereum/go-ethereum/statediff/types"
 	"github.com/jmoiron/sqlx"
@@ -31,7 +33,7 @@ import (
 
 const (
 	// node type removed value.
-	// https://github.com/vulcanize/go-ethereum/blob/271f4d01e7e2767ffd8e0cd469bf545be96f2a84/statediff/indexer/helpers.go#L34
+	// https://github.com/cerc-io/go-ethereum/blob/271f4d01e7e2767ffd8e0cd469bf545be96f2a84/statediff/indexer/helpers.go#L34
 	removedNode = 3
 
 	RetrieveHeadersByHashesPgStr = `SELECT cid, data
@@ -47,7 +49,7 @@ const (
 										header_cids.mh_key = blocks.key
 										AND header_cids.block_number = blocks.block_number
 									)
-								WHERE block_number = $1`
+								WHERE header_cids.block_number = $1`
 	RetrieveHeaderByHashPgStr = `SELECT cid, data
 								FROM eth.header_cids
 									INNER JOIN public.blocks ON (
@@ -72,7 +74,8 @@ const (
 												uncle_cids.mh_key = blocks.key
 												AND uncle_cids.block_number = blocks.block_number
 											)
-										WHERE block_hash = $1`
+										WHERE header_cids.block_hash = $1
+										ORDER BY uncle_cids.parent_hash`
 	RetrieveUnclesByBlockNumberPgStr = `SELECT uncle_cids.cid, data
 										FROM eth.uncle_cids
 											INNER JOIN eth.header_cids ON (
@@ -83,7 +86,7 @@ const (
 												uncle_cids.mh_key = blocks.key
 												AND uncle_cids.block_number = blocks.block_number
 											)
-										WHERE block_number = $1`
+										WHERE header_cids.block_number = $1`
 	RetrieveUncleByHashPgStr = `SELECT cid, data
 								FROM eth.uncle_cids
 									INNER JOIN public.blocks ON (
@@ -91,7 +94,7 @@ const (
 										AND uncle_cids.block_number = blocks.block_number
 									)
 								WHERE block_hash = $1`
-	RetrieveTransactionsByHashesPgStr = `SELECT cid, data
+	RetrieveTransactionsByHashesPgStr = `SELECT DISTINCT ON (tx_hash) cid, data
 									FROM eth.transaction_cids
 										INNER JOIN public.blocks ON (
 											transaction_cids.mh_key = blocks.key
@@ -120,9 +123,10 @@ const (
 													transaction_cids.mh_key = blocks.key
 													AND transaction_cids.block_number = blocks.block_number
 												)
-											WHERE block_number = $1
+											WHERE header_cids.block_number = $1
+											AND block_hash = (SELECT canonical_header_hash(header_cids.block_number))
 											ORDER BY eth.transaction_cids.index ASC`
-	RetrieveTransactionByHashPgStr = `SELECT cid, data
+	RetrieveTransactionByHashPgStr = `SELECT DISTINCT ON (tx_hash) cid, data
 									FROM eth.transaction_cids
 										INNER JOIN public.blocks ON (
 											transaction_cids.mh_key = blocks.key
@@ -133,17 +137,20 @@ const (
 									FROM eth.receipt_cids
 										INNER JOIN eth.transaction_cids ON (
 											receipt_cids.tx_id = transaction_cids.tx_hash
+											AND receipt_cids.header_id = transaction_cids.header_id
 											AND receipt_cids.block_number = transaction_cids.block_number
 										)
 										INNER JOIN public.blocks ON (
 											receipt_cids.leaf_mh_key = blocks.key
 											AND receipt_cids.block_number = blocks.block_number
 										)
-									WHERE tx_hash = ANY($1::VARCHAR(66)[])`
+									WHERE tx_hash = ANY($1::VARCHAR(66)[])
+									AND transaction_cids.header_id = (SELECT canonical_header_hash(transaction_cids.block_number))`
 	RetrieveReceiptsByBlockHashPgStr = `SELECT receipt_cids.leaf_cid, data, eth.transaction_cids.tx_hash
 										FROM eth.receipt_cids
 											INNER JOIN eth.transaction_cids ON (
 												receipt_cids.tx_id = transaction_cids.tx_hash
+												AND receipt_cids.header_id = transaction_cids.header_id
 												AND receipt_cids.block_number = transaction_cids.block_number
 											)
 											INNER JOIN eth.header_cids ON (
@@ -160,6 +167,7 @@ const (
 										FROM eth.receipt_cids
 											INNER JOIN eth.transaction_cids ON (
 												receipt_cids.tx_id = transaction_cids.tx_hash
+												AND receipt_cids.header_id = transaction_cids.header_id
 												AND receipt_cids.block_number = transaction_cids.block_number
 											)
 											INNER JOIN eth.header_cids ON (
@@ -170,29 +178,28 @@ const (
 												receipt_cids.leaf_mh_key = blocks.key
 												AND receipt_cids.block_number = blocks.block_number
 											)
-										WHERE block_number = $1
+										WHERE header_cids.block_number = $1
+										AND block_hash = (SELECT canonical_header_hash(header_cids.block_number))
 										ORDER BY eth.transaction_cids.index ASC`
 	RetrieveReceiptByTxHashPgStr = `SELECT receipt_cids.leaf_cid, data
 									FROM eth.receipt_cids
 										INNER JOIN eth.transaction_cids ON (
 											receipt_cids.tx_id = transaction_cids.tx_hash
+											AND receipt_cids.header_id = transaction_cids.header_id
 											AND receipt_cids.block_number = transaction_cids.block_number
 										)
 										INNER JOIN public.blocks ON (
 											receipt_cids.leaf_mh_key = blocks.key
 											AND receipt_cids.block_number = blocks.block_number
 										)
-									WHERE tx_hash = $1`
+									WHERE tx_hash = $1
-	RetrieveAccountByLeafKeyAndBlockHashPgStr = `SELECT state_cids.cid, data, state_cids.node_type
+									AND transaction_cids.header_id = (SELECT canonical_header_hash(transaction_cids.block_number))`
+	RetrieveAccountByLeafKeyAndBlockHashPgStr = `SELECT state_cids.cid, state_cids.mh_key, state_cids.block_number, state_cids.node_type
 												FROM eth.state_cids
 													INNER JOIN eth.header_cids ON (
 														state_cids.header_id = header_cids.block_hash
 														AND state_cids.block_number = header_cids.block_number
 													)
-													INNER JOIN public.blocks ON (
-														state_cids.mh_key = blocks.key
-														AND state_cids.block_number = blocks.block_number
-													)
 												WHERE state_leaf_key = $1
 												AND header_cids.block_number <= (SELECT block_number
 																	FROM eth.header_cids
@@ -200,21 +207,17 @@ const (
 												AND header_cids.block_hash = (SELECT canonical_header_hash(header_cids.block_number))
 												ORDER BY header_cids.block_number DESC
 												LIMIT 1`
-	RetrieveAccountByLeafKeyAndBlockNumberPgStr = `SELECT state_cids.cid, data, state_cids.node_type
+	RetrieveAccountByLeafKeyAndBlockNumberPgStr = `SELECT state_cids.cid, state_cids.mh_key, state_cids.node_type
 													FROM eth.state_cids
 														INNER JOIN eth.header_cids ON (
 															state_cids.header_id = header_cids.block_hash
 															AND state_cids.block_number = header_cids.block_number
 														)
-														INNER JOIN public.blocks ON (
-															state_cids.mh_key = blocks.key
-															AND state_cids.block_number = blocks.block_number
-														)
 													WHERE state_leaf_key = $1
-													AND block_number <= $2
+													AND header_cids.block_number <= $2
-													ORDER BY block_number DESC
+													ORDER BY header_cids.block_number DESC
 													LIMIT 1`
-	RetrieveStorageLeafByAddressHashAndLeafKeyAndBlockNumberPgStr = `SELECT storage_cids.cid, data, storage_cids.node_type, was_state_leaf_removed($1, $3) AS state_leaf_removed
+	RetrieveStorageLeafByAddressHashAndLeafKeyAndBlockNumberPgStr = `SELECT storage_cids.cid, storage_cids.mh_key, storage_cids.node_type, was_state_leaf_removed($1, $3) AS state_leaf_removed
 																	FROM eth.storage_cids
 																		INNER JOIN eth.state_cids ON (
 																			storage_cids.header_id = state_cids.header_id
@@ -225,16 +228,12 @@ const (
 																			state_cids.header_id = header_cids.block_hash
 																			AND state_cids.block_number = header_cids.block_number
 																		)
-																		INNER JOIN public.blocks ON (
-																			storage_cids.mh_key = blocks.key
-																			AND storage_cids.block_number = blocks.block_number
-																		)
 																	WHERE state_leaf_key = $1
 																	AND storage_leaf_key = $2
-																	AND block_number <= $3
+																	AND header_cids.block_number <= $3
-																	ORDER BY block_number DESC
+																	ORDER BY header_cids.block_number DESC
 																	LIMIT 1`
-	RetrieveStorageLeafByAddressHashAndLeafKeyAndBlockHashPgStr = `SELECT storage_cids.cid, data, storage_cids.node_type, was_state_leaf_removed($1, $3) AS state_leaf_removed
+	RetrieveStorageLeafByAddressHashAndLeafKeyAndBlockHashPgStr = `SELECT storage_cids.cid, storage_cids.mh_key, storage_cids.block_number, storage_cids.node_type, was_state_leaf_removed($1, $3) AS state_leaf_removed
 																	FROM eth.storage_cids
 																		INNER JOIN eth.state_cids ON (
 																			storage_cids.header_id = state_cids.header_id
@@ -245,10 +244,6 @@ const (
 																			state_cids.header_id = header_cids.block_hash
 																			AND state_cids.block_number = header_cids.block_number
 																		)
-																		INNER JOIN public.blocks ON (
-																			storage_cids.mh_key = blocks.key
-																			AND storage_cids.block_number = blocks.block_number
-																		)
 																	WHERE state_leaf_key = $1
 																	AND storage_leaf_key = $2
 																	AND header_cids.block_number <= (SELECT block_number
@@ -319,9 +314,9 @@ func (r *IPLDRetriever) RetrieveHeadersByBlockNumber(number uint64) ([]string, [
 }
 
 // RetrieveHeaderByHash returns the cid and rlp bytes for the header corresponding to the provided block hash
-func (r *IPLDRetriever) RetrieveHeaderByHash(hash common.Hash) (string, []byte, error) {
+func (r *IPLDRetriever) RetrieveHeaderByHash(tx *sqlx.Tx, hash common.Hash) (string, []byte, error) {
 	headerResult := new(ipldResult)
-	return headerResult.CID, headerResult.Data, r.db.Get(headerResult, RetrieveHeaderByHashPgStr, hash.Hex())
+	return headerResult.CID, headerResult.Data, tx.Get(headerResult, RetrieveHeaderByHashPgStr, hash.Hex())
 }
 
 // RetrieveUnclesByHashes returns the cids and rlp bytes for the uncles corresponding to the provided uncle hashes
@@ -344,9 +339,9 @@ func (r *IPLDRetriever) RetrieveUnclesByHashes(hashes []common.Hash) ([]string,
 }
 
 // RetrieveUnclesByBlockHash returns the cids and rlp bytes for the uncles corresponding to the provided block hash (of non-omner root block)
-func (r *IPLDRetriever) RetrieveUnclesByBlockHash(hash common.Hash) ([]string, [][]byte, error) {
+func (r *IPLDRetriever) RetrieveUnclesByBlockHash(tx *sqlx.Tx, hash common.Hash) ([]string, [][]byte, error) {
 	uncleResults := make([]ipldResult, 0)
-	if err := r.db.Select(&uncleResults, RetrieveUnclesByBlockHashPgStr, hash.Hex()); err != nil {
+	if err := tx.Select(&uncleResults, RetrieveUnclesByBlockHashPgStr, hash.Hex()); err != nil {
 		return nil, nil, err
 	}
 	cids := make([]string, len(uncleResults))
@@ -399,9 +394,9 @@ func (r *IPLDRetriever) RetrieveTransactionsByHashes(hashes []common.Hash) ([]st
 }
 
 // RetrieveTransactionsByBlockHash returns the cids and rlp bytes for the transactions corresponding to the provided block hash
-func (r *IPLDRetriever) RetrieveTransactionsByBlockHash(hash common.Hash) ([]string, [][]byte, error) {
+func (r *IPLDRetriever) RetrieveTransactionsByBlockHash(tx *sqlx.Tx, hash common.Hash) ([]string, [][]byte, error) {
 	txResults := make([]ipldResult, 0)
-	if err := r.db.Select(&txResults, RetrieveTransactionsByBlockHashPgStr, hash.Hex()); err != nil {
+	if err := tx.Select(&txResults, RetrieveTransactionsByBlockHashPgStr, hash.Hex()); err != nil {
 		return nil, nil, err
 	}
 	cids := make([]string, len(txResults))
@@ -476,9 +471,9 @@ func (r *IPLDRetriever) RetrieveReceiptsByTxHashes(hashes []common.Hash) ([]stri
 
 // RetrieveReceiptsByBlockHash returns the cids and rlp bytes for the receipts corresponding to the provided block hash.
 // cid returned corresponds to the leaf node data which contains the receipt.
-func (r *IPLDRetriever) RetrieveReceiptsByBlockHash(hash common.Hash) ([]string, [][]byte, []common.Hash, error) {
+func (r *IPLDRetriever) RetrieveReceiptsByBlockHash(tx *sqlx.Tx, hash common.Hash) ([]string, [][]byte, []common.Hash, error) {
 	rctResults := make([]rctIpldResult, 0)
-	if err := r.db.Select(&rctResults, RetrieveReceiptsByBlockHashPgStr, hash.Hex()); err != nil {
+	if err := tx.Select(&rctResults, RetrieveReceiptsByBlockHashPgStr, hash.Hex()); err != nil {
 		return nil, nil, nil, err
 	}
 	cids := make([]string, len(rctResults))
@@ -535,6 +530,8 @@ func (r *IPLDRetriever) RetrieveReceiptByHash(hash common.Hash) (string, []byte,
 
 type nodeInfo struct {
 	CID              string `db:"cid"`
+	MhKey            string `db:"mh_key"`
+	BlockNumber      string `db:"block_number"`
 	Data             []byte `db:"data"`
 	NodeType         int    `db:"node_type"`
 	StateLeafRemoved bool   `db:"state_leaf_removed"`
@@ -553,6 +550,15 @@ func (r *IPLDRetriever) RetrieveAccountByAddressAndBlockHash(address common.Addr
 		return "", EmptyNodeValue, nil
 	}
 
+	blockNumber, err := strconv.ParseUint(accountResult.BlockNumber, 10, 64)
+	if err != nil {
+		return "", nil, err
+	}
+	accountResult.Data, err = shared.FetchIPLD(r.db, accountResult.MhKey, blockNumber)
+	if err != nil {
+		return "", nil, err
+	}
+
 	var i []interface{}
 	if err := rlp.DecodeBytes(accountResult.Data, &i); err != nil {
 		return "", nil, fmt.Errorf("error decoding state leaf node rlp: %s", err.Error())
@@ -576,6 +582,12 @@ func (r *IPLDRetriever) RetrieveAccountByAddressAndBlockNumber(address common.Ad
 		return "", EmptyNodeValue, nil
 	}
 
+	var err error
+	accountResult.Data, err = shared.FetchIPLD(r.db, accountResult.MhKey, number)
+	if err != nil {
+		return "", nil, err
+	}
+
 	var i []interface{}
 	if err := rlp.DecodeBytes(accountResult.Data, &i); err != nil {
 		return "", nil, fmt.Errorf("error decoding state leaf node rlp: %s", err.Error())
@@ -597,6 +609,16 @@ func (r *IPLDRetriever) RetrieveStorageAtByAddressAndStorageSlotAndBlockHash(add
 	if storageResult.StateLeafRemoved || storageResult.NodeType == removedNode {
 		return "", EmptyNodeValue, EmptyNodeValue, nil
 	}
+
+	blockNumber, err := strconv.ParseUint(storageResult.BlockNumber, 10, 64)
+	if err != nil {
+		return "", nil, nil, err
+	}
+	storageResult.Data, err = shared.FetchIPLD(r.db, storageResult.MhKey, blockNumber)
+	if err != nil {
+		return "", nil, nil, err
+	}
+
 	var i []interface{}
 	if err := rlp.DecodeBytes(storageResult.Data, &i); err != nil {
 		err = fmt.Errorf("error decoding storage leaf node rlp: %s", err.Error())
@@ -620,6 +642,13 @@ func (r *IPLDRetriever) RetrieveStorageAtByAddressAndStorageKeyAndBlockNumber(ad
 	if storageResult.StateLeafRemoved || storageResult.NodeType == removedNode {
 		return "", EmptyNodeValue, nil
 	}
+
+	var err error
+	storageResult.Data, err = shared.FetchIPLD(r.db, storageResult.MhKey, number)
+	if err != nil {
+		return "", nil, err
+	}
+
 	var i []interface{}
 	if err := rlp.DecodeBytes(storageResult.Data, &i); err != nil {
 		return "", nil, fmt.Errorf("error decoding storage leaf node rlp: %s", err.Error())

pkg/eth/test_helpers/chain_maker.go

@@ -27,6 +27,7 @@ import (
 	"github.com/ethereum/go-ethereum/core/vm"
 	"github.com/ethereum/go-ethereum/crypto"
 	"github.com/ethereum/go-ethereum/params"
+	"github.com/ethereum/go-ethereum/statediff/test_helpers"
 )
 
 // Test variables
@@ -35,7 +36,7 @@ var (
 	TestBankKey, _  = crypto.HexToECDSA("b71c71a67e1177ad4e901695e1b4b9ee17ae16c6668d313eac2f96dbcda3f291")
 	TestBankAddress = crypto.PubkeyToAddress(TestBankKey.PublicKey) //0x71562b71999873DB5b286dF957af199Ec94617F7
 	TestBankFunds   = big.NewInt(100000000)
-	Genesis         = core.GenesisBlockForTesting(Testdb, TestBankAddress, TestBankFunds)
+	Genesis         = test_helpers.GenesisBlockForTesting(Testdb, TestBankAddress, TestBankFunds)
 
 	Account1Key, _       = crypto.HexToECDSA("8a1f9a8f95be41cd7ccb6168179afb4504aefe388d1e14474d32c45c72ce7b7a")
 	Account2Key, _       = crypto.HexToECDSA("49a7b37aa6f6645917e7b807e9d1c00d4fa71f18343b0d4122a4d2df64dd6fee")

pkg/eth/test_helpers/test_data.go

@@ -38,7 +38,7 @@ import (
 	"github.com/multiformats/go-multihash"
 	log "github.com/sirupsen/logrus"
 
-	"github.com/vulcanize/ipld-eth-server/v4/pkg/eth"
+	"github.com/cerc-io/ipld-eth-server/v4/pkg/eth"
 )
 
 // Test variables
@@ -301,6 +301,7 @@ var (
 	MockRctMetaPostPublish = []models.ReceiptModel{
 		{
 			BlockNumber:  "1",
+			HeaderID:     MockBlock.Hash().String(),
 			LeafCID:      Rct1CID.String(),
 			LeafMhKey:    Rct1MhKey,
 			Contract:     "",
@@ -308,6 +309,7 @@ var (
 		},
 		{
 			BlockNumber:  "1",
+			HeaderID:     MockBlock.Hash().String(),
 			LeafCID:      Rct2CID.String(),
 			LeafMhKey:    Rct2MhKey,
 			Contract:     "",
@@ -315,6 +317,7 @@ var (
 		},
 		{
 			BlockNumber:  "1",
+			HeaderID:     MockBlock.Hash().String(),
 			LeafCID:      Rct3CID.String(),
 			LeafMhKey:    Rct3MhKey,
 			Contract:     ContractAddress.String(),
@@ -322,6 +325,7 @@ var (
 		},
 		{
 			BlockNumber:  "1",
+			HeaderID:     MockBlock.Hash().String(),
 			LeafCID:      Rct4CID.String(),
 			LeafMhKey:    Rct4MhKey,
 			Contract:     "",
@@ -590,7 +594,29 @@ var (
 	}
 
 	MockLondonTransactions, MockLondonReceipts, _ = createDynamicTransactionsAndReceipts(LondonBlockNum)
-	MockLondonBlock                               = createNewBlock(&MockLondonHeader, MockLondonTransactions, nil, MockLondonReceipts, new(trie.Trie))
+	MockLondonUncles                              = []*types.Header{
+		{
+			Time:        1,
+			Number:      new(big.Int).Add(BlockNumber, big.NewInt(1)),
+			ParentHash:  common.HexToHash("0x2"),
+			Root:        common.HexToHash("0x1"),
+			TxHash:      common.HexToHash("0x1"),
+			ReceiptHash: common.HexToHash("0x1"),
+			Difficulty:  big.NewInt(500001),
+			Extra:       []byte{},
+		},
+		{
+			Time:        2,
+			Number:      new(big.Int).Add(BlockNumber, big.NewInt(1)),
+			ParentHash:  common.HexToHash("0x1"),
+			Root:        common.HexToHash("0x2"),
+			TxHash:      common.HexToHash("0x2"),
+			ReceiptHash: common.HexToHash("0x2"),
+			Difficulty:  big.NewInt(500002),
+			Extra:       []byte{},
+		},
+	}
+	MockLondonBlock = createNewBlock(&MockLondonHeader, MockLondonTransactions, MockLondonUncles, MockLondonReceipts, new(trie.Trie))
 )
 
 func createNewBlock(header *types.Header, txs []*types.Transaction, uncles []*types.Header, receipts []*types.Receipt, hasher types.TrieHasher) *types.Block {

pkg/graphql/graphql.go

@@ -23,6 +23,7 @@ import (
 	"database/sql"
 	"errors"
 	"fmt"
+	"strings"
 	"time"
 
 	"github.com/ethereum/go-ethereum/common"
@@ -34,8 +35,8 @@ import (
 	"github.com/ethereum/go-ethereum/rlp"
 	"github.com/ethereum/go-ethereum/rpc"
 
-	"github.com/vulcanize/ipld-eth-server/v4/pkg/eth"
+	"github.com/cerc-io/ipld-eth-server/v4/pkg/eth"
-	"github.com/vulcanize/ipld-eth-server/v4/pkg/shared"
+	"github.com/cerc-io/ipld-eth-server/v4/pkg/shared"
 )
 
 var (
@@ -776,8 +777,8 @@ func (b *Block) Logs(ctx context.Context, args struct{ Filter BlockFilterCriteri
 		hash = header.Hash()
 	}
 	// Construct the range filter
-	filter := filters.NewBlockFilter(b.backend, hash, addresses, topics)
+	filterSys := filters.NewFilterSystem(b.backend, filters.Config{})
-
+	filter := filterSys.NewBlockFilter(hash, addresses, topics)
 	// Run the filter and return all the logs
 	return runFilter(ctx, b.backend, filter)
 }
@@ -837,7 +838,7 @@ func (b *Block) Call(ctx context.Context, args struct {
 			return nil, err
 		}
 	}
-	result, err := eth.DoCall(ctx, b.backend, args.Data, *b.numberOrHash, nil, 5*time.Second, b.backend.RPCGasCap().Uint64())
+	result, err := eth.DoCall(ctx, b.backend, args.Data, *b.numberOrHash, nil, 5*time.Second, b.backend.RPCGasCap())
 	if err != nil {
 		return nil, err
 	}
@@ -979,7 +980,8 @@ func (r *Resolver) Logs(ctx context.Context, args struct{ Filter FilterCriteria
 		topics = *args.Filter.Topics
 	}
 	// Construct the range filter
-	filter := filters.NewRangeFilter(filters.Backend(r.backend), begin, end, addresses, topics)
+	filterSys := filters.NewFilterSystem(r.backend, filters.Config{})
+	filter := filterSys.NewRangeFilter(begin, end, addresses, topics)
 	return runFilter(ctx, r.backend, filter)
 }
 
@@ -1268,10 +1270,12 @@ func (r *Resolver) AllEthHeaderCids(ctx context.Context, args struct {
 	if args.Condition.BlockHash != nil {
 		headerCID, err := r.backend.Retriever.RetrieveHeaderAndTxCIDsByBlockHash(common.HexToHash(*args.Condition.BlockHash))
 		if err != nil {
+			if !strings.Contains(err.Error(), "not found") {
 				return nil, err
 			}
-
+		} else {
 			headerCIDs = append(headerCIDs, headerCID)
+		}
 	} else if args.Condition.BlockNumber != nil {
 		headerCIDs, err = r.backend.Retriever.RetrieveHeaderAndTxCIDsByBlockNumber(args.Condition.BlockNumber.ToInt().Int64())
 		if err != nil {

pkg/graphql/graphql_test.go

@@ -36,11 +36,11 @@ import (
 	. "github.com/onsi/ginkgo"
 	. "github.com/onsi/gomega"
 
-	"github.com/vulcanize/ipld-eth-server/v4/pkg/eth"
+	"github.com/cerc-io/ipld-eth-server/v4/pkg/eth"
-	"github.com/vulcanize/ipld-eth-server/v4/pkg/eth/test_helpers"
+	"github.com/cerc-io/ipld-eth-server/v4/pkg/eth/test_helpers"
-	"github.com/vulcanize/ipld-eth-server/v4/pkg/graphql"
+	"github.com/cerc-io/ipld-eth-server/v4/pkg/graphql"
-	"github.com/vulcanize/ipld-eth-server/v4/pkg/shared"
+	"github.com/cerc-io/ipld-eth-server/v4/pkg/shared"
-	ethServerShared "github.com/vulcanize/ipld-eth-server/v4/pkg/shared"
+	ethServerShared "github.com/cerc-io/ipld-eth-server/v4/pkg/shared"
 )
 
 var _ = Describe("GraphQL", func() {

pkg/graphql/service.go

@@ -29,7 +29,7 @@ import (
 	"github.com/graph-gophers/graphql-go/relay"
 	"github.com/sirupsen/logrus"
 
-	"github.com/vulcanize/ipld-eth-server/v4/pkg/eth"
+	"github.com/cerc-io/ipld-eth-server/v4/pkg/eth"
 )
 
 // Service encapsulates a GraphQL service.

pkg/net/api_test.go

@@ -20,7 +20,7 @@ import (
 	. "github.com/onsi/ginkgo"
 	. "github.com/onsi/gomega"
 
-	"github.com/vulcanize/ipld-eth-server/v4/pkg/net"
+	"github.com/cerc-io/ipld-eth-server/v4/pkg/net"
 )
 
 var _ = Describe("API", func() {

pkg/rpc/http.go

@@ -29,7 +29,7 @@ import (
 func StartHTTPEndpoint(endpoint string, apis []rpc.API, modules []string, cors []string, vhosts []string, timeouts rpc.HTTPTimeouts) (*rpc.Server, error) {
 
 	srv := rpc.NewServer()
-	err := node.RegisterApis(apis, modules, srv, false)
+	err := node.RegisterApis(apis, modules, srv)
 	if err != nil {
 		utils.Fatalf("Could not register HTTP API: %w", err)
 	}

pkg/rpc/ipc.go

@@ -25,7 +25,8 @@ import (
 	"github.com/ethereum/go-ethereum/p2p/netutil"
 	"github.com/ethereum/go-ethereum/rpc"
 	log "github.com/sirupsen/logrus"
-	"github.com/vulcanize/ipld-eth-server/v4/pkg/prom"
+
+	"github.com/cerc-io/ipld-eth-server/v4/pkg/prom"
 )
 
 var (

pkg/rpc/ws.go

@@ -24,11 +24,11 @@ import (
 	"github.com/ethereum/go-ethereum/node"
 	"github.com/ethereum/go-ethereum/rpc"
 
-	"github.com/vulcanize/ipld-eth-server/v4/pkg/prom"
+	"github.com/cerc-io/ipld-eth-server/v4/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) {
+func StartWSEndpoint(endpoint string, apis []rpc.API, modules []string, wsOrigins []string) (net.Listener, *rpc.Server, error) {
 	// All APIs registered, start the HTTP listener
 	var (
 		listener net.Listener
@@ -37,7 +37,7 @@ func StartWSEndpoint(endpoint string, apis []rpc.API, modules []string, wsOrigin
 
 	// Register all the APIs exposed by the services
 	handler := rpc.NewServer()
-	err = node.RegisterApis(apis, modules, handler, exposeAll)
+	err = node.RegisterApis(apis, modules, handler)
 	if err != nil {
 		utils.Fatalf("Could not register WS API: %w", err)
 	}

pkg/serve/api.go

@@ -23,7 +23,7 @@ import (
 	"github.com/ethereum/go-ethereum/statediff/types"
 	log "github.com/sirupsen/logrus"
 
-	"github.com/vulcanize/ipld-eth-server/v4/pkg/eth"
+	"github.com/cerc-io/ipld-eth-server/v4/pkg/eth"
 )
 
 // APIName is the namespace used for the state diffing service API

pkg/serve/config.go

@@ -32,8 +32,8 @@ import (
 	"github.com/jmoiron/sqlx"
 	"github.com/spf13/viper"
 
-	"github.com/vulcanize/ipld-eth-server/v4/pkg/prom"
+	"github.com/cerc-io/ipld-eth-server/v4/pkg/prom"
-	ethServerShared "github.com/vulcanize/ipld-eth-server/v4/pkg/shared"
+	ethServerShared "github.com/cerc-io/ipld-eth-server/v4/pkg/shared"
 )
 
 // Env variables
@@ -219,6 +219,8 @@ func NewConfig() (*Config, error) {
 		if rpcGasCap, ok := new(big.Int).SetString(rpcGasCapStr, 10); ok {
 			c.RPCGasCap = rpcGasCap
 		}
+	} else {
+		c.RPCGasCap = big.NewInt(0)
 	}
 	chainConfigPath := viper.GetString("ethereum.chainConfig")
 	if chainConfigPath != "" {

pkg/serve/service.go

@@ -24,6 +24,7 @@ import (
 	"github.com/ethereum/go-ethereum/common"
 	"github.com/ethereum/go-ethereum/core/vm"
 	"github.com/ethereum/go-ethereum/crypto"
+	"github.com/ethereum/go-ethereum/eth/tracers"
 	ethnode "github.com/ethereum/go-ethereum/node"
 	"github.com/ethereum/go-ethereum/p2p"
 	"github.com/ethereum/go-ethereum/rlp"
@@ -31,8 +32,9 @@ import (
 	"github.com/jmoiron/sqlx"
 	log "github.com/sirupsen/logrus"
 
-	"github.com/vulcanize/ipld-eth-server/v4/pkg/eth"
+	"github.com/cerc-io/ipld-eth-server/v4/pkg/debug"
-	"github.com/vulcanize/ipld-eth-server/v4/pkg/net"
+	"github.com/cerc-io/ipld-eth-server/v4/pkg/eth"
+	"github.com/cerc-io/ipld-eth-server/v4/pkg/net"
 )
 
 const (
@@ -139,16 +141,23 @@ func (sap *Service) APIs() []rpc.API {
 			Public:    true,
 		},
 	}
+
 	ethAPI, err := eth.NewPublicEthAPI(sap.backend, sap.client, sap.supportsStateDiffing, sap.forwardEthCalls, sap.proxyOnError)
 	if err != nil {
 		log.Fatalf("unable to create public eth api: %v", err)
 	}
-	return append(apis, rpc.API{
+
+	debugTracerAPI := tracers.APIs(&debug.Backend{Backend: *sap.backend})[0]
+
+	return append(apis,
+		rpc.API{
 			Namespace: eth.APIName,
 			Version:   eth.APIVersion,
 			Service:   ethAPI,
 			Public:    true,
-	})
+		},
+		debugTracerAPI,
+	)
 }
 
 // Serve listens for incoming converter data off the screenAndServePayload from the Sync process

pkg/shared/functions.go

@@ -55,6 +55,13 @@ func FetchIPLDByMhKeyAndBlockNumber(tx *sqlx.Tx, mhKey string, blockNumber uint6
 	return block, tx.Get(&block, pgStr, mhKey, blockNumber)
 }
 
+// FetchIPLD is used to retrieve an IPLD from Postgres mhkey and blockNumber
+func FetchIPLD(db *sqlx.DB, mhKey string, blockNumber uint64) ([]byte, error) {
+	pgStr := `SELECT data FROM public.blocks WHERE key = $1 AND block_number = $2`
+	var block []byte
+	return block, db.Get(&block, pgStr, mhKey, blockNumber)
+}
+
 // MultihashKeyFromCID converts a cid into a blockstore-prefixed multihash db key string
 func MultihashKeyFromCID(c cid.Cid) string {
 	dbKey := dshelp.MultihashToDsKey(c.Hash())

scripts/run_unit_test.sh

@@ -1,26 +1,16 @@
 #!/bin/bash
 
-set -e
+# Remove any existing containers / volumes
+docker-compose down --remove-orphans --volumes
 
-mkdir -p out
+# Spin up DB and run migrations
-
+docker-compose up -d migrations ipld-eth-db
-# Remove existing docker-tsdb directory
+sleep 30
-rm -rf out/docker-tsdb/
-
-# Copy over files to setup TimescaleDB
-ID=$(docker create vulcanize/ipld-eth-db:v4.1.1-alpha)
-docker cp $ID:/app/docker-tsdb out/docker-tsdb/
-docker rm -v $ID
-
-# Spin up TimescaleDB
-docker-compose -f out/docker-tsdb/docker-compose.test.yml -f docker-compose.yml up ipld-eth-db
-trap "docker-compose -f out/docker-tsdb/docker-compose.test.yml -f docker-compose.yml down --remove-orphans --volumes; rm -rf out/" SIGINT SIGTERM ERR
-sleep 45
 
 # Run unit tests
 go clean -testcache
-PGPASSWORD=password DATABASE_USER=vdbm DATABASE_PORT=8066 DATABASE_PASSWORD=password DATABASE_HOSTNAME=127.0.0.1 DATABASE_NAME=vulcanize_testing_v4 make test
+PGPASSWORD=password DATABASE_USER=vdbm DATABASE_PORT=8077 DATABASE_PASSWORD=password DATABASE_HOSTNAME=127.0.0.1 DATABASE_NAME=vulcanize_testing make test
 
 # Clean up
-docker-compose -f out/docker-tsdb/docker-compose.test.yml -f docker-compose.yml down --remove-orphans --volumes
+docker-compose down --remove-orphans --volumes
 rm -rf out/

test/README.md

@@ -4,22 +4,22 @@
 
 - Clone [stack-orchestrator](https://github.com/vulcanize/stack-orchestrator), [ipld-eth-db](https://github.com/vulcanize/ipld-eth-db) [go-ethereum](https://github.com/vulcanize/go-ethereum) repositories.
 
-- Checkout [v4 release](https://github.com/vulcanize/ipld-eth-db/releases/tag/v4.1.1-alpha) in ipld-eth-db repo.
+- Checkout [v4 release](https://github.com/vulcanize/ipld-eth-db/releases/tag/v4.2.1-alpha) in ipld-eth-db repo.
   ```bash
   # In ipld-eth-db repo.
-  git checkout v4.1.1-alpha
+  git checkout v4.2.1-alpha
   ```
 
-- Checkout [v4 release](https://github.com/vulcanize/go-ethereum/releases/tag/v1.10.18-statediff-4.0.2-alpha) in go-ethereum repo.
+- Checkout [v4 release](https://github.com/vulcanize/go-ethereum/releases/tag/v1.10.23-statediff-4.2.0-alpha) in go-ethereum repo.
   ```bash
   # In go-ethereum repo.
-  git checkout v1.10.18-statediff-4.0.2-alpha
+  git checkout v1.10.23-statediff-4.2.0-alpha
   ```
 
 - Checkout working commit in stack-orchestrator repo.
   ```bash
   # In stack-orchestrator repo.
-  git checkout 418957a1f745c921b21286c13bb033f922a91ae9
+  git checkout f2fd766f5400fcb9eb47b50675d2e3b1f2753702
   ```
 
 ## Run
@@ -60,13 +60,11 @@
     # Path to test contract.
     vulcanize_test_contract=~/ipld-eth-server/test/contract
 
+    genesis_file_path='start-up-files/go-ethereum/genesis.json'
     db_write=true
     eth_forward_eth_calls=false
     eth_proxy_on_error=false
     eth_http_path="go-ethereum:8545"
-    ipld_eth_server_db_dependency=access-node
-    go_ethereum_db_dependency=access-node
-    connecting_db_name=vulcanize_testing_v4
     ```
 
   - Run stack-orchestrator:
@@ -77,8 +75,7 @@
 
     ./wrapper.sh \
     -e docker \
-    -d ../docker/latest/docker-compose-timescale-db.yml \
+    -d ../docker/local/docker-compose-db-sharding.yml \
-    -d ../docker/local/docker-compose-db-migration.yml \
     -d ../docker/local/docker-compose-go-ethereum.yml \
     -d ../docker/local/docker-compose-ipld-eth-server.yml \
     -d ../docker/local/docker-compose-contract.yml \
@@ -107,13 +104,11 @@
     # Path to test contract.
     vulcanize_test_contract=~/ipld-eth-server/test/contract
 
+    genesis_file_path='start-up-files/go-ethereum/genesis.json'
     db_write=false
     eth_forward_eth_calls=true
     eth_proxy_on_error=false
     eth_http_path="go-ethereum:8545"
-    ipld_eth_server_db_dependency=access-node
-    go_ethereum_db_dependency=access-node
-    connecting_db_name=vulcanize_testing_v4
     ```
 
   - Stop the stack-orchestrator and start again using the same command

test/direct_proxy_integration_test.go

@@ -13,8 +13,8 @@ import (
 	. "github.com/onsi/ginkgo"
 	. "github.com/onsi/gomega"
 
-	"github.com/vulcanize/ipld-eth-server/v4/pkg/eth"
+	"github.com/cerc-io/ipld-eth-server/v4/pkg/eth"
-	integration "github.com/vulcanize/ipld-eth-server/v4/test"
+	integration "github.com/cerc-io/ipld-eth-server/v4/test"
 )
 
 var _ = Describe("Integration test", func() {
@@ -431,7 +431,7 @@ var _ = Describe("Integration test", func() {
 			Expect(err).ToNot(HaveOccurred())
 
 			_, err = ipldClient.ChainID(ctx)
-			Expect(err).To(HaveOccurred())
+			Expect(err).ToNot(HaveOccurred())
 		})
 	})
 })

test/integration_test.go

@@ -16,8 +16,8 @@ import (
 	. "github.com/onsi/ginkgo"
 	. "github.com/onsi/gomega"
 
-	"github.com/vulcanize/ipld-eth-server/v4/pkg/eth"
+	"github.com/cerc-io/ipld-eth-server/v4/pkg/eth"
-	integration "github.com/vulcanize/ipld-eth-server/v4/test"
+	integration "github.com/cerc-io/ipld-eth-server/v4/test"
 )
 
 const nonExistingBlockHash = "0x111111111111111111111111111111111111111111111111111111111111111"

test/watch_address_integration_test.go

@@ -13,7 +13,8 @@ import (
 	sdtypes "github.com/ethereum/go-ethereum/statediff/types"
 	. "github.com/onsi/ginkgo"
 	. "github.com/onsi/gomega"
-	integration "github.com/vulcanize/ipld-eth-server/v4/test"
+
+	integration "github.com/cerc-io/ipld-eth-server/v4/test"
 )
 
 var (

test_config/test_config.go

@@ -33,7 +33,7 @@ func init() {
 func setTestConfig() {
 	vip := viper.New()
 	vip.SetConfigName("testing")
-	vip.AddConfigPath("$GOPATH/src/github.com/vulcanize/ipld-eth-server/environments/")
+	vip.AddConfigPath("$GOPATH/src/github.com/cerc-io/ipld-eth-server/environments/")
 	if err := vip.ReadInConfig(); err != nil {
 		logrus.Fatal(err)
 	}

version/version.go

@@ -19,10 +19,10 @@ package version
 import "fmt"
 
 const (
-	Major = 2  // Major version component of the current release
+	Major = 4       // Major version component of the current release
-	Minor = 0  // Minor version component of the current release
+	Minor = 1       // Minor version component of the current release
-	Patch = 0  // Patch version component of the current release
+	Patch = 9       // Patch version component of the current release
-	Meta  = "" // Version metadata to append to the version string
+	Meta  = "alpha" // Version metadata to append to the version string
 )
 
 // Version holds the textual version string.