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-master.yaml

@@ -1,25 +0,0 @@
-name: Docker Compose Build
-
-on:
-  push:
-    branches:
-      - master
-
-jobs:
-  build:
-    name: Run docker build
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v2
-      - name: Get the version
-        id: vars
-        run: echo ::set-output name=sha::$(echo ${GITHUB_SHA:0:7})
-      - name: Run docker build
-        run: make docker-build
-      - name: Tag docker image
-        run: docker tag vulcanize/ipld-eth-server docker.pkg.github.com/vulcanize/ipld-eth-server/ipld-eth-server:${{steps.vars.outputs.sha}}
-      - name: Docker Login
-        run: echo ${{ secrets.GITHUB_TOKEN }} | docker login https://docker.pkg.github.com -u vulcanize --password-stdin
-      - name: Docker Push
-        run: docker push docker.pkg.github.com/vulcanize/ipld-eth-server/ipld-eth-server:${{steps.vars.outputs.sha}}
-

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

@@ -0,0 +1,79 @@
+name: Test, Build, and/or Publish
+on:
+  release:
+    types: [published]
+  pull_request:
+
+jobs:
+  pre_job:
+    # continue-on-error: true # Uncomment once integration is finished
+    runs-on: ubuntu-latest
+    # Map a step output to a job output
+    outputs:
+      should_skip: ${{ steps.skip_check.outputs.should_skip }}
+    steps:
+      - id: skip_check
+        uses: fkirc/skip-duplicate-actions@v4
+        with:
+          # All of these options are optional, so you can remove them if you are happy with the defaults
+          concurrent_skipping: "never"
+          skip_after_successful_duplicate: "true"
+          do_not_skip: '["workflow_dispatch", "schedule"]'
+  run-tests:
+    uses: ./.github/workflows/tests.yaml
+    if: ${{ needs.pre_job.outputs.should_skip != 'true' }}
+    needs: pre_job
+    secrets:
+      BUILD_HOSTNAME: ${{ secrets.BUILD_HOSTNAME }}
+      BUILD_USERNAME: ${{ secrets.BUILD_USERNAME }}
+      BUILD_KEY: ${{ secrets.BUILD_KEY }}
+    with:
+      STACK_ORCHESTRATOR_REF: "f2fd766f5400fcb9eb47b50675d2e3b1f2753702"
+      GO_ETHEREUM_REF: "0c1e451c9865d8d47797b35526c4875f0d224772"
+      IPLD_ETH_DB_REF: "be345e0733d2c025e4082c5154e441317ae94cf7"
+  build:
+    name: Run docker build
+    runs-on: ubuntu-latest
+    needs: run-tests
+    if: |
+      always() &&
+      (needs.run-tests.result == 'success' || needs.run-tests.result == 'skipped') &&
+      github.event_name == 'release'
+    steps:
+      - uses: actions/checkout@v2
+      - name: Get the version
+        id: vars
+        run: echo ::set-output name=sha::$(echo ${GITHUB_SHA:0:7})
+      - name: Run docker build
+        run: make docker-build
+      - name: Tag docker image
+        run: docker tag cerc-io/ipld-eth-server git.vdb.to/cerc-io/ipld-eth-server/ipld-eth-server:${{steps.vars.outputs.sha}}
+      - name: Docker Login
+        run: echo ${{ secrets.GITHUB_TOKEN }} | docker login https://git.vdb.to -u cerccicd --password-stdin
+      - name: Docker Push
+        run: docker push git.vdb.to/cerc-io/ipld-eth-server/ipld-eth-server:${{steps.vars.outputs.sha}}
+
+  push_to_registries:
+    name: Push Docker image to Docker Hub
+    runs-on: ubuntu-latest
+    if: |
+      always() &&
+      (needs.build.result == 'success') &&
+      github.event_name == 'release'
+    needs: build
+    steps:
+      - name: Get the version
+        id: vars
+        run: |
+          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 ${{ secrets.GITHUB_TOKEN }} | docker login https://git.vdb.to -u cerccicd --password-stdin
+      - name: Docker Pull
+        run: docker pull git.vdb.to/cerc-io/ipld-eth-server/ipld-eth-server:${{steps.vars.outputs.sha}}
+      - name: Docker Login to Docker Registry
+        run: echo ${{ secrets.VULCANIZEJENKINS_PAT }} | docker login -u vulcanizejenkins --password-stdin
+      - name: Tag docker image
+        run: docker tag git.vdb.to/cerc-io/ipld-eth-server/ipld-eth-server:${{steps.vars.outputs.sha}} cerc-io/ipld-eth-server:${{steps.vars.outputs.tag}}
+      - name: Docker Push to Docker Hub
+        run: docker push cerc-io/ipld-eth-server:${{steps.vars.outputs.tag}}

.github/workflows/on-pr.yaml

@@ -1,116 +0,0 @@
-name: Docker Build
-
-on: [pull_request]
-jobs:
-  build:
-    name: Run docker build
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v2
-      - name: Run docker build
-        run: make docker-build
-  test:
-    name: Run unit tests
-    env:
-      GOPATH: /tmp/go
-      # To run the unit tests you need to add secrets to your repository.
-      BUILD_HOSTNAME: ${{ secrets.BUILD_HOSTNAME }}
-      BUILD_USERNAME: ${{ secrets.BUILD_USERNAME }}
-      BUILD_KEY: ${{ secrets.BUILD_KEY }}
-    #strategy:
-    #  matrix:
-    #    go-version: [1.16.x, 1.17.x]
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v2
-
-      # Passed experience with GHA has taught me to store variables in files instead of passing them as variables.
-      - name: Output variables to files
-        run: |
-          echo $GITHUB_REPOSITORY > /tmp/git_repository
-          echo $GITHUB_HEAD_REF > /tmp/git_head_ref
-          echo "-----BEGIN OPENSSH PRIVATE KEY-----" >> /tmp/key
-          echo ${{ env.BUILD_KEY }} >> /tmp/key
-          echo "-----END OPENSSH PRIVATE KEY-----" >> /tmp/key
-          chmod 400 /tmp/key
-          cat  /tmp/git_repository
-          cat  /tmp/git_head_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 .github/workflows/run_unit_test.sh ${{ env.BUILD_USERNAME }}@${{ env.BUILD_HOSTNAME }}:/tmp/run_unit_test.sh
-
-      - name: Trigger Unit Test
-        run: |
-          ssh -o 'StrictHostKeyChecking no' -o UserKnownHostsFile=/dev/null -q  -i /tmp/key ${{ env.BUILD_USERNAME }}@${{ env.BUILD_HOSTNAME }} chmod +x /tmp/run_unit_test.sh /tmp/run_unit_test.sh
-          ssh -o 'StrictHostKeyChecking no' -o UserKnownHostsFile=/dev/null -q  -i /tmp/key ${{ env.BUILD_USERNAME }}@${{ env.BUILD_HOSTNAME }} /tmp/run_unit_test.sh
-
-      - name: Get the logs and cat them
-        run: |
-          scp -o 'StrictHostKeyChecking no' -o UserKnownHostsFile=/dev/null -q  -i /tmp/key ${{ env.BUILD_USERNAME }}@${{ env.BUILD_HOSTNAME }}:/tmp/test.log .
-          cat ./test.log
-
-      - name: Check Error Code
-        run: |
-          scp -o 'StrictHostKeyChecking no' -o UserKnownHostsFile=/dev/null -q  -i /tmp/key ${{ env.BUILD_USERNAME }}@${{ env.BUILD_HOSTNAME }}:/tmp/return_test.txt .
-          [ $(cat ./return_test.txt) -eq 0 ]
-
-  integrationtest:
-    name: Run integration tests
-    env:
-      GOPATH: /tmp/go
-      DB_WRITE: true
-      ETH_FORWARD_ETH_CALLS: false
-      ETH_PROXY_ON_ERROR: false
-      ETH_HTTP_PATH: ""
-    strategy:
-      matrix:
-        go-version: [1.16.x]
-        os: [ubuntu-latest]
-    runs-on: ${{ matrix.os }}
-    steps:
-      - name: Create GOPATH
-        run: mkdir -p /tmp/go
-      - name: Install Go
-        uses: actions/setup-go@v2
-        with:
-          go-version: ${{ matrix.go-version }}
-      - uses: actions/checkout@v2
-      - name: Run database
-        run: docker-compose -f docker-compose.test.yml -f docker-compose.yml up -d ipld-eth-db dapptools contract eth-server
-      - name: Test
-        run: |
-          while [ "$(curl -s -o /dev/null -w ''%{http_code}'' localhost:8081)" != "200" ]; do echo "waiting for ipld-eth-server..." && sleep 5; done && \
-          while [ "$(curl -s -o /dev/null -w ''%{http_code}'' localhost:8545)" != "200" ]; do echo "waiting for geth-statediff..." && sleep 5; done && \
-          make integrationtest
-
-  integrationtest_forwardethcalls:
-    name: Run integration tests for direct proxy fall-through of eth_calls
-    env:
-      GOPATH: /tmp/go
-      DB_WRITE: false
-      ETH_FORWARD_ETH_CALLS: true
-      ETH_PROXY_ON_ERROR: false
-      ETH_HTTP_PATH: "dapptools:8545"
-    strategy:
-      matrix:
-        go-version: [1.16.x]
-        os: [ubuntu-latest]
-    runs-on: ${{ matrix.os }}
-    steps:
-      - name: Create GOPATH
-        run: mkdir -p /tmp/go
-      - name: Install Go
-        uses: actions/setup-go@v2
-        with:
-          go-version: ${{ matrix.go-version }}
-      - uses: actions/checkout@v2
-      - name: Run database
-        run: docker-compose -f docker-compose.test.yml -f docker-compose.yml up -d ipld-eth-db dapptools contract eth-server
-      - name: Test
-        run: |
-          while [ "$(curl -s -o /dev/null -w ''%{http_code}'' localhost:8081)" != "200" ]; do echo "waiting for ipld-eth-server..." && sleep 5; done && \
-          while [ "$(curl -s -o /dev/null -w ''%{http_code}'' localhost:8545)" != "200" ]; do echo "waiting for geth-statediff..." && sleep 5; done && \
-          make integrationtest

.github/workflows/publish.yaml

@@ -1,25 +0,0 @@
-name: Publish Docker image
-on:
-  release:
-    types: [published]
-jobs:
-  push_to_registries:
-    name: Push Docker image to Docker Hub
-    runs-on: ubuntu-latest
-    steps:
-      - name: Get the version
-        id: vars
-        run: |
-          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 ${{ secrets.GITHUB_TOKEN }} | docker login https://docker.pkg.github.com -u vulcanize --password-stdin
-      - name: Docker Pull
-        run: docker pull docker.pkg.github.com/vulcanize/ipld-eth-server/ipld-eth-server:${{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:${{steps.vars.outputs.tag}}
-      - name: Docker Push to Docker Hub
-        run: docker push vulcanize/ipld-eth-server:${{steps.vars.outputs.tag}}
-

.github/workflows/run_unit_test.sh

@@ -12,18 +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
 
-# Spin up DB
+# Spin up DB and run migrations
-docker-compose up -d ipld-eth-db
+echo 'docker-compose up -d migrations ipld-eth-db'
-trap "docker-compose down --remove-orphans; cd $start_dir ; rm -r $temp_dir" SIGINT SIGTERM ERR
+docker-compose up -d migrations ipld-eth-db
-sleep 10
+trap "docker-compose down -v --remove-orphans; cd $start_dir ; rm -r $temp_dir" SIGINT SIGTERM ERR
+sleep 30
 
 # Remove old logs so there's no confusion, then run test
 rm -f /tmp/test.log /tmp/return_test.txt
-PGPASSWORD=password DATABASE_USER=vdbm DATABASE_PORT=8077 DATABASE_PASSWORD=password DATABASE_HOSTNAME=127.0.0.1 DATABASE_NAME=vulcanize_testing make test >  /tmp/test.log
+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 $start_dir
 rm -fr $temp_dir
-

.github/workflows/tests.yaml

@@ -0,0 +1,212 @@
+name: Test the stack.
+on:
+  workflow_call:
+    secrets:
+      BUILD_HOSTNAME:
+        required: true
+      BUILD_USERNAME:
+        required: true
+      BUILD_KEY:
+        required: true
+    inputs:
+      STACK_ORCHESTRATOR_REF:
+        required: true
+        type: string
+      GO_ETHEREUM_REF:
+        required: true
+        type: string
+      IPLD_ETH_DB_REF:
+        required: true
+        type: string
+
+jobs:
+  build:
+    name: Run docker build
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - name: Run docker build
+        run: make docker-build
+  test:
+    name: Run unit tests
+    env:
+      GOPATH: /tmp/go
+      # To run the unit tests you need to add secrets to your repository.
+      BUILD_HOSTNAME: ${{ secrets.BUILD_HOSTNAME }}
+      BUILD_USERNAME: ${{ secrets.BUILD_USERNAME }}
+      BUILD_KEY: ${{ secrets.BUILD_KEY }}
+    #strategy:
+    #  matrix:
+    #    go-version: [1.16.x, 1.17.x, 1.18.x]
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+
+      # Passed experience with GHA has taught me to store variables in files instead of passing them as variables.
+      - name: Output variables to files
+        run: |
+          echo $GITHUB_REPOSITORY > /tmp/git_repository
+          [ -z "$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
+          echo "-----END OPENSSH PRIVATE KEY-----" >> /tmp/key
+          chmod 400 /tmp/key
+          cat /tmp/git_repository
+          cat /tmp/git_head_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 .github/workflows/run_unit_test.sh ${{ env.BUILD_USERNAME }}@${{ env.BUILD_HOSTNAME }}:/tmp/run_unit_test.sh
+
+      - name: Trigger Unit Test
+        run: |
+          ssh -o 'StrictHostKeyChecking no' -o UserKnownHostsFile=/dev/null -q  -i /tmp/key ${{ env.BUILD_USERNAME }}@${{ env.BUILD_HOSTNAME }} go install github.com/onsi/ginkgo/ginkgo@latest
+          ssh -o 'StrictHostKeyChecking no' -o UserKnownHostsFile=/dev/null -q  -i /tmp/key ${{ env.BUILD_USERNAME }}@${{ env.BUILD_HOSTNAME }} /tmp/run_unit_test.sh
+
+      - name: Get the logs and cat them
+        run: |
+          scp -o 'StrictHostKeyChecking no' -o UserKnownHostsFile=/dev/null -q  -i /tmp/key ${{ env.BUILD_USERNAME }}@${{ env.BUILD_HOSTNAME }}:/tmp/test.log .
+          cat ./test.log
+
+      - name: Check Error Code
+        run: |
+          scp -o 'StrictHostKeyChecking no' -o UserKnownHostsFile=/dev/null -q  -i /tmp/key ${{ env.BUILD_USERNAME }}@${{ env.BUILD_HOSTNAME }}:/tmp/return_test.txt .
+          [ $(cat ./return_test.txt) -eq 0 ]
+
+  integrationtest:
+    name: Run integration tests
+    env:
+      GOPATH: /tmp/go
+      DB_WRITE: true
+      ETH_FORWARD_ETH_CALLS: false
+      ETH_PROXY_ON_ERROR: false
+      ETH_HTTP_PATH: "go-ethereum:8545"
+    runs-on: ubuntu-latest
+    steps:
+      - name: Create GOPATH
+        run: mkdir -p /tmp/go
+      - uses: actions/setup-go@v3
+        with:
+          go-version: "1.18.x"
+          check-latest: true
+      - uses: actions/checkout@v2
+        with:
+          path: "./ipld-eth-server"
+      - uses: actions/checkout@v2
+        with:
+          ref: ${{ inputs.STACK_ORCHESTRATOR_REF }}
+          path: "./stack-orchestrator/"
+          repository: vulcanize/stack-orchestrator
+      - uses: actions/checkout@v2
+        with:
+          ref: ${{ inputs.GO_ETHEREUM_REF }}
+          repository: cerc-io/go-ethereum
+          path: "./go-ethereum/"
+      - uses: actions/checkout@v2
+        with:
+          ref: ${{ inputs.IPLD_ETH_DB_REF }}
+          repository: cerc-io/ipld-eth-db
+          path: "./ipld-eth-db/"
+      - name: Create config file
+        run: |
+          echo vulcanize_go_ethereum=$GITHUB_WORKSPACE/go-ethereum/ > ./config.sh
+          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
+          cat ./config.sh
+      - name: Build geth
+        run: |
+          cd $GITHUB_WORKSPACE/stack-orchestrator/helper-scripts
+          ./compile-geth.sh \
+          -p "$GITHUB_WORKSPACE/config.sh" \
+          -e docker
+      - name: Run docker compose
+        run: |
+          docker-compose  \
+          -f "$GITHUB_WORKSPACE/stack-orchestrator/docker/local/docker-compose-db-sharding.yml" \
+          -f "$GITHUB_WORKSPACE/stack-orchestrator/docker/local/docker-compose-go-ethereum.yml" \
+          -f "$GITHUB_WORKSPACE/stack-orchestrator/docker/local/docker-compose-ipld-eth-server.yml" \
+          -f "$GITHUB_WORKSPACE/stack-orchestrator/docker/local/docker-compose-contract.yml" \
+          --env-file "$GITHUB_WORKSPACE/config.sh" \
+          up -d --build
+      - name: Test
+        run: |
+          cd $GITHUB_WORKSPACE/ipld-eth-server
+          while [ "$(curl -s -o /dev/null -w ''%{http_code}'' localhost:8081)" != "200" ]; do echo "waiting for ipld-eth-server..." && sleep 5; done && \
+          while [ "$(curl -s -o /dev/null -w ''%{http_code}'' localhost:8545)" != "200" ]; do echo "waiting for geth-statediff..." && sleep 5; done && \
+          make integrationtest
+
+  integrationtest_forwardethcalls:
+    name: Run integration tests for direct proxy fall-through of eth_calls
+    env:
+      GOPATH: /tmp/go
+      DB_WRITE: false
+      ETH_FORWARD_ETH_CALLS: true
+      ETH_PROXY_ON_ERROR: false
+      ETH_HTTP_PATH: "go-ethereum:8545"
+    runs-on: ubuntu-latest
+    steps:
+      - name: Create GOPATH
+        run: mkdir -p /tmp/go
+      - uses: actions/setup-go@v3
+        with:
+          go-version: "1.18.x"
+          check-latest: true
+      - uses: actions/checkout@v2
+        with:
+          path: "./ipld-eth-server"
+      - uses: actions/checkout@v2
+        with:
+          ref: ${{ inputs.STACK_ORCHESTRATOR_REF }}
+          path: "./stack-orchestrator/"
+          repository: vulcanize/stack-orchestrator
+      - uses: actions/checkout@v2
+        with:
+          ref: ${{ inputs.GO_ETHEREUM_REF }}
+          repository: cerc-io/go-ethereum
+          path: "./go-ethereum/"
+      - uses: actions/checkout@v2
+        with:
+          ref: ${{ inputs.IPLD_ETH_DB_REF }}
+          repository: cerc-io/ipld-eth-db
+          path: "./ipld-eth-db/"
+      - name: Create config file
+        run: |
+          echo vulcanize_go_ethereum=$GITHUB_WORKSPACE/go-ethereum/ > ./config.sh
+          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
+          cat ./config.sh
+      - name: Build geth
+        run: |
+          cd $GITHUB_WORKSPACE/stack-orchestrator/helper-scripts
+          ./compile-geth.sh \
+          -p "$GITHUB_WORKSPACE/config.sh" \
+          -e docker
+      - name: Run docker compose
+        run: |
+          docker-compose  \
+          -f "$GITHUB_WORKSPACE/stack-orchestrator/docker/local/docker-compose-db-sharding.yml" \
+          -f "$GITHUB_WORKSPACE/stack-orchestrator/docker/local/docker-compose-go-ethereum.yml" \
+          -f "$GITHUB_WORKSPACE/stack-orchestrator/docker/local/docker-compose-ipld-eth-server.yml" \
+          -f "$GITHUB_WORKSPACE/stack-orchestrator/docker/local/docker-compose-contract.yml" \
+          --env-file "$GITHUB_WORKSPACE/config.sh" \
+          up -d --build
+      - name: Test
+        run: |
+          cd $GITHUB_WORKSPACE/ipld-eth-server
+          while [ "$(curl -s -o /dev/null -w ''%{http_code}'' localhost:8081)" != "200" ]; do echo "waiting for ipld-eth-server..." && sleep 5; done && \
+          while [ "$(curl -s -o /dev/null -w ''%{http_code}'' localhost:8545)" != "200" ]; do echo "waiting for geth-statediff..." && sleep 5; done && \
+          make integrationtest

Dockerfile

@@ -1,11 +1,11 @@
-FROM golang:1.16-alpine as builder
+FROM golang:1.18-alpine as builder
 
 RUN apk --update --no-cache add make git g++ linux-headers
 # DEBUG
 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

@@ -3,10 +3,6 @@ BASE = $(GOPATH)/src/$(PACKAGE)
 PKGS = go list ./... | grep -v "^vendor/"
 
 # Tools
-## Testing library
-GINKGO = $(BIN)/ginkgo
-$(BIN)/ginkgo:
-	go get -u github.com/onsi/ginkgo/ginkgo
 
 ## Migration tool
 GOOSE = $(BIN)/goose
@@ -26,8 +22,9 @@ $(BIN)/gometalinter.v2:
 
 
 .PHONY: installtools
-installtools: | $(LINT) $(GOOSE) $(GINKGO)
+installtools: | $(LINT) $(GOOSE)
 	echo "Installing tools"
+	go mod download
 
 .PHONY: metalint
 metalint: | $(METALINT)
@@ -54,30 +51,23 @@ TEST_CONNECT_STRING = postgresql://$(DATABASE_USER):$(DATABASE_PASSWORD)@$(DATAB
 TEST_CONNECT_STRING_LOCAL = postgresql://$(USER)@$(HOST_NAME):$(PORT)/$(TEST_DB)?sslmode=disable
 
 .PHONY: test
-test: | $(GINKGO) $(GOOSE)
+test:
 	go vet ./...
 	go fmt ./...
-	$(GINKGO) -r --skipPackage=test
+	go run github.com/onsi/ginkgo/ginkgo  -r --skipPackage=test
 
 .PHONY: integrationtest
-integrationtest: | $(GINKGO) $(GOOSE)
+integrationtest:
 	go vet ./...
 	go fmt ./...
-	$(GINKGO) -r test/ -v
+	go run github.com/onsi/ginkgo/ginkgo -r test/ -v
 
 .PHONY: test_local
-test_local: | $(GINKGO) $(GOOSE)
+test_local:
 	go vet ./...
 	go fmt ./...
 	./scripts/run_unit_test.sh
 
-.PHONY: integrationtest_local
-integrationtest_local: | $(GINKGO) $(GOOSE)
-	go vet ./...
-	go fmt ./...
-	./scripts/run_integration_test.sh
-	./scripts/run_integration_test_forward_eth_calls.sh
-
 build:
 	go fmt ./...
 	GO111MODULE=on go build
@@ -145,4 +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`
+`GO111MODULE=off go get -d github.com/cerc-io/ipld-eth-server/v4`
 
-`cd $GOPATH/src/github.com/vulcanize/ipld-eth-server`
+`cd $GOPATH/src/github.com/cerc-io/ipld-eth-server/v4@v4.x.x`
 
 Then, build the binary:
 
@@ -148,8 +148,8 @@ TODO: Add the rest of the standard endpoints and unique endpoints (e.g. getSlice
 
 
 ### Testing
-`make test` will run the unit tests  
+
-`make test` setups a clean `vulcanize_testing` db
+Follow steps in [test/README.md](./test/README.md)
 
 ## Monitoring
 

cmd/root.go

@@ -27,7 +27,7 @@ import (
 	"github.com/spf13/cobra"
 	"github.com/spf13/viper"
 
-	"github.com/vulcanize/ipld-eth-server/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/pkg/eth"
+	"github.com/cerc-io/ipld-eth-server/v4/pkg/eth"
-	"github.com/vulcanize/ipld-eth-server/pkg/graphql"
+	"github.com/cerc-io/ipld-eth-server/v4/pkg/graphql"
-	srpc "github.com/vulcanize/ipld-eth-server/pkg/rpc"
+	srpc "github.com/cerc-io/ipld-eth-server/v4/pkg/rpc"
-	s "github.com/vulcanize/ipld-eth-server/pkg/serve"
+	s "github.com/cerc-io/ipld-eth-server/v4/pkg/serve"
-	v "github.com/vulcanize/ipld-eth-server/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{"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/pkg/client"
+	"github.com/cerc-io/ipld-eth-server/v4/pkg/client"
-	"github.com/vulcanize/ipld-eth-server/pkg/eth"
+	"github.com/cerc-io/ipld-eth-server/v4/pkg/eth"
-	w "github.com/vulcanize/ipld-eth-server/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/pkg"
-	ipfsethdb "github.com/vulcanize/ipfs-ethdb/postgres"
 
-	s "github.com/vulcanize/ipld-eth-server/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/version"
+	v "github.com/cerc-io/ipld-eth-server/v4/version"
 )
 
 // versionCmd represents the version command

docker-compose.test.yml

@@ -2,13 +2,11 @@ version: '3.2'
 
 services:
   contract:
-    depends_on:
-      - dapptools
     build:
       context: ./test/contract
       args:
-        ETH_ADDR: "http://dapptools:8545"
+        ETH_ADDR: "http://go-ethereum:8545"
     environment:
-      ETH_ADDR: "http://dapptools:8545"
+      ETH_ADDR: "http://go-ethereum:8545"
     ports:
       - "127.0.0.1:3000:3000"

docker-compose.yml

@@ -1,36 +1,28 @@
 version: '3.2'
 
 services:
-  dapptools:
+  migrations:
-    restart: unless-stopped
+    restart: on-failure
     depends_on:
       - ipld-eth-db
-    image: vulcanize/dapptools:v0.30.0-v1.10.16-statediff-3.0.2a
+    image: git.vdb.to/cerc-io/ipld-eth-db/ipld-eth-db:v4.2.1-alpha-unstable
     environment:
-      DB_USER: vdbm
+      DATABASE_USER: "vdbm"
-      DB_NAME: vulcanize_testing
+      DATABASE_NAME: "vulcanize_testing"
-      DB_HOST: ipld-eth-db
+      DATABASE_PASSWORD: "password"
-      DB_PORT: 5432
+      DATABASE_HOSTNAME: "ipld-eth-db"
-      DB_PASSWORD: password
+      DATABASE_PORT: 5432
-      DB_WRITE: $DB_WRITE
-      DB_TYPE: postgres
-      DB_DRIVER: sqlx
-    ports:
-      - "127.0.0.1:8545:8545"
-      - "127.0.0.1:8546:8546"
 
   ipld-eth-db:
+    image: timescale/timescaledb:latest-pg14
     restart: always
-    image: vulcanize/ipld-eth-db:v3.0.7
+    command: ["postgres", "-c", "log_statement=all"]
     environment:
       POSTGRES_USER: "vdbm"
       POSTGRES_DB: "vulcanize_testing"
       POSTGRES_PASSWORD: "password"
-    volumes:
-     - vdb_db_eth_server:/var/lib/postgresql/data
     ports:
       - "127.0.0.1:8077:5432"
-    command: ["postgres", "-c", "log_statement=all"]
 
   eth-server:
     restart: unless-stopped
@@ -63,20 +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/pkg/client"
+        "github.com/cerc-io/ipld-eth-server/v4/pkg/client"
-        "github.com/vulcanize/ipld-eth-server/pkg/eth"
+        "github.com/cerc-io/ipld-eth-server/v4/pkg/eth"
-        "github.com/vulcanize/ipld-eth-server/pkg/watch"
+        "github.com/cerc-io/ipld-eth-server/v4/pkg/watch"
     )
 
     config, _ := eth.NewEthSubscriptionConfig()
@@ -160,9 +160,9 @@ An example of how to subscribe to a real-time Bitcoin data feed from ipld-eth-se
     	"github.com/ethereum/go-ethereum/rpc"
     	"github.com/spf13/viper"
 
-    	"github.com/vulcanize/ipld-eth-server/pkg/btc"
+    	"github.com/vulcanize/ipld-eth-server/v4/pkg/btc"
-    	"github.com/vulcanize/ipld-eth-server/pkg/client"
+    	"github.com/vulcanize/ipld-eth-server/v4/pkg/client"
-    	"github.com/vulcanize/ipld-eth-server/pkg/watch"
+    	"github.com/vulcanize/ipld-eth-server/v4/pkg/watch"
     )
 
     config, _ := btc.NewBtcSubscriptionConfig()

environments/example.toml

@@ -16,6 +16,7 @@
     graphqlEndpoint = "127.0.0.1:8083" # $SERVER_GRAPHQL_ENDPOINT
 
 [ethereum]
+    chainConfig = "./chain.json" # ETH_CHAIN_CONFIG
     chainID = "1" # $ETH_CHAIN_ID
     defaultSender = "" # $ETH_DEFAULT_SENDER_ADDR
     rpcGasCap = "1000000000000" # $ETH_RPC_GAS_CAP

go.mod

@@ -1,38 +1,296 @@
-module github.com/vulcanize/ipld-eth-server
+module github.com/cerc-io/ipld-eth-server/v4
 
-go 1.15
+go 1.18
 
 require (
-	github.com/ethereum/go-ethereum v1.10.16
+	github.com/cerc-io/eth-ipfs-state-validator/v4 v4.0.8-alpha
-	github.com/fsnotify/fsnotify v1.5.1 // indirect
+	github.com/cerc-io/ipfs-ethdb/v4 v4.0.8-alpha
-	github.com/go-sql-driver/mysql v1.6.0 // indirect
+	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/ipfs/go-ipld-format v0.2.0
+	github.com/jmoiron/sqlx v1.3.5
-	github.com/jmoiron/sqlx v1.2.0
 	github.com/joho/godotenv v1.4.0
-	github.com/lib/pq v1.10.4
+	github.com/lib/pq v1.10.6
 	github.com/machinebox/graphql v0.2.2
-	github.com/mailgun/groupcache/v2 v2.2.1
+	github.com/mailgun/groupcache/v2 v2.3.0
-	github.com/matryer/is v1.4.0 // indirect
+	github.com/multiformats/go-multihash v0.2.0
-	github.com/multiformats/go-multihash v0.0.15
 	github.com/onsi/ginkgo v1.16.5
-	github.com/onsi/gomega v1.13.0
+	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/shirou/gopsutil v3.21.5+incompatible // indirect
+	github.com/sirupsen/logrus v1.9.0
-	github.com/sirupsen/logrus v1.7.0
+	github.com/spf13/cobra v1.4.0
-	github.com/spf13/cobra v1.1.1
+	github.com/spf13/viper v1.11.0
-	github.com/spf13/viper v1.7.0
+	github.com/vulcanize/gap-filler v0.4.0
-	github.com/tklauser/go-sysconf v0.3.6 // indirect
+	gorm.io/driver/postgres v1.3.7
-	github.com/vulcanize/eth-ipfs-state-validator v0.1.0
+	gorm.io/gorm v1.23.5
-	github.com/vulcanize/gap-filler v0.3.1
-	github.com/vulcanize/ipfs-ethdb v0.0.6
-	golang.org/x/crypto v0.0.0-20211202192323-5770296d904e // indirect
-	golang.org/x/sys v0.0.0-20211205182925-97ca703d548d // indirect
-	golang.org/x/tools v0.1.8 // indirect
 )
 
-replace github.com/ethereum/go-ethereum v1.10.16 => github.com/vulcanize/go-ethereum v1.10.16-statediff-3.0.2
+require (
+	bazil.org/fuse v0.0.0-20200117225306-7b5117fecadc // indirect
+	github.com/Stebalien/go-bitfield v0.0.1 // indirect
+	github.com/VictoriaMetrics/fastcache v1.6.0 // 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 v4.1.3 // 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
+	github.com/davidlazar/go-crypto v0.0.0-20200604182044-b73af7476f6c // indirect
+	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 v1.5.4 // indirect
+	github.com/gballet/go-libpcsclite v0.0.0-20190607065134-2772fd86a8ff // indirect
+	github.com/georgysavva/scany v0.2.9 // 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/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 v1.1.0 // 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
+	github.com/hashicorp/hcl v1.0.0 // indirect
+	github.com/holiman/bloomfilter/v2 v2.0.3 // indirect
+	github.com/holiman/uint256 v1.2.0 // indirect
+	github.com/huin/goupnp v1.0.3 // indirect
+	github.com/inconshreveable/mousetrap v1.0.0 // indirect
+	github.com/influxdata/influxdb v1.8.3 // indirect
+	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-bitfield v1.0.0 // indirect
+	github.com/ipfs/go-bitswap v0.8.0 // indirect
+	github.com/ipfs/go-blockservice v0.4.0 // indirect
+	github.com/ipfs/go-cidutil v0.1.0 // indirect
+	github.com/ipfs/go-datastore v0.5.1 // indirect
+	github.com/ipfs/go-delegated-routing v0.3.0 // 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 v0.13.1 // indirect
+	github.com/ipfs/go-ipfs-chunker v0.0.5 // indirect
+	github.com/ipfs/go-ipfs-delay v0.0.1 // indirect
+	github.com/ipfs/go-ipfs-exchange-interface v0.2.0 // indirect
+	github.com/ipfs/go-ipfs-exchange-offline v0.3.0 // 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 v0.2.1 // 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 v0.7.1 // 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 v0.4.0 // 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 v2.5.1 // 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 v0.2.1 // indirect
+	github.com/ipfs/go-namesys v0.5.0 // indirect
+	github.com/ipfs/go-path v0.3.0 // indirect
+	github.com/ipfs/go-peertaskqueue v0.7.1 // indirect
+	github.com/ipfs/go-unixfs v0.4.0 // 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 v0.7.0 // indirect
+	github.com/ipfs/kubo v0.14.0 // 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
+	github.com/jackc/pgpassfile v1.0.0 // indirect
+	github.com/jackc/pgproto3/v2 v2.3.0 // indirect
+	github.com/jackc/pgservicefile v0.0.0-20200714003250-2b9c44734f2b // indirect
+	github.com/jackc/pgtype v1.11.0 // indirect
+	github.com/jackc/pgx/v4 v4.16.1 // indirect
+	github.com/jackc/puddle v1.2.1 // indirect
+	github.com/jackpal/go-nat-pmp v1.0.2 // indirect
+	github.com/jbenet/go-temp-err-catcher v0.1.0 // indirect
+	github.com/jbenet/goprocess v0.1.4 // indirect
+	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 v1.15.1 // indirect
+	github.com/klauspost/cpuid/v2 v2.0.12 // indirect
+	github.com/koron/go-ssdp v0.0.2 // indirect
+	github.com/libp2p/go-buffer-pool v0.0.2 // indirect
+	github.com/libp2p/go-cidranger v1.1.0 // indirect
+	github.com/libp2p/go-doh-resolver v0.4.0 // 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 v0.20.3 // indirect
+	github.com/libp2p/go-libp2p-asn-util v0.2.0 // indirect
+	github.com/libp2p/go-libp2p-core v0.16.1 // indirect
+	github.com/libp2p/go-libp2p-discovery v0.7.0 // indirect
+	github.com/libp2p/go-libp2p-kad-dht v0.16.0 // 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-peerstore v0.6.0 // indirect
+	github.com/libp2p/go-libp2p-pubsub v0.6.1 // indirect
+	github.com/libp2p/go-libp2p-pubsub-router v0.5.0 // 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 v0.11.0 // indirect
+	github.com/libp2p/go-libp2p-xor v0.1.0 // indirect
+	github.com/libp2p/go-mplex v0.7.0 // indirect
+	github.com/libp2p/go-msgio v0.2.0 // indirect
+	github.com/libp2p/go-nat v0.1.0 // indirect
+	github.com/libp2p/go-netroute v0.2.0 // indirect
+	github.com/libp2p/go-openssl v0.0.7 // indirect
+	github.com/libp2p/go-reuseport v0.2.0 // indirect
+	github.com/libp2p/go-yamux/v3 v3.1.2 // indirect
+	github.com/libp2p/zeroconf/v2 v2.1.1 // indirect
+	github.com/lucas-clemente/quic-go v0.27.1 // 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
+	github.com/marten-seemann/qtls-go1-18 v0.1.1 // indirect
+	github.com/marten-seemann/tcp v0.0.0-20210406111302-dfbc87cc63fd // indirect
+	github.com/matryer/is v1.4.0 // indirect
+	github.com/mattn/go-colorable v0.1.12 // indirect
+	github.com/mattn/go-isatty v0.0.14 // indirect
+	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 v1.1.48 // indirect
+	github.com/mikioh/tcpinfo v0.0.0-20190314235526-30a79bb1804b // indirect
+	github.com/mikioh/tcpopt v0.0.0-20190314235656-172688c1accc // indirect
+	github.com/minio/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 v0.0.4 // indirect
+	github.com/multiformats/go-base36 v0.1.0 // 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 v0.1.0 // indirect
+	github.com/multiformats/go-multicodec v0.5.0 // 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
+	github.com/pganalyze/pg_query_go/v2 v2.1.0 // indirect
+	github.com/pkg/errors v0.9.1 // indirect
+	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 v0.33.0 // indirect
+	github.com/prometheus/procfs v0.7.3 // 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 v3.21.11+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
+	github.com/spf13/cast v1.4.1 // indirect
+	github.com/spf13/jwalterweatherman v1.1.0 // indirect
+	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 v1.7.2 // indirect
+	github.com/subosito/gotenv v1.2.0 // 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/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 v1.7.0 // indirect
+	go.opentelemetry.io/otel/trace v1.7.0 // indirect
+	go.uber.org/atomic v1.9.0 // indirect
+	go.uber.org/dig v1.14.0 // indirect
+	go.uber.org/fx v1.16.0 // indirect
+	go.uber.org/multierr v1.8.0 // indirect
+	go.uber.org/zap v1.21.0 // indirect
+	go4.org v0.0.0-20200411211856-f5505b9728dd // indirect
+	golang.org/x/crypto v0.0.0-20220829220503-c86fa9a7ed90 // indirect
+	golang.org/x/mod v0.6.0-dev.0.20220106191415-9b9b3d81d5e3 // 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 v0.0.0-20220715151400-c0bba94af5f8 // indirect
+	golang.org/x/text v0.3.7 // indirect
+	golang.org/x/time v0.0.0-20210220033141-f8bda1e9f3ba // indirect
+	golang.org/x/tools v0.1.10 // 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/yaml.v2 v2.4.0 // indirect
+	gopkg.in/yaml.v3 v3.0.1 // indirect
+	lukechampine.com/blake3 v1.1.7 // indirect
+)
+
+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/cmd"
+	"github.com/cerc-io/ipld-eth-server/v4/cmd"
 )
 
 func main() {

pkg/client/client.go

@@ -20,11 +20,10 @@ package client
 import (
 	"context"
 
-	"github.com/vulcanize/ipld-eth-server/pkg/eth"
-
 	"github.com/ethereum/go-ethereum/rpc"
 
-	"github.com/vulcanize/ipld-eth-server/pkg/serve"
+	"github.com/cerc-io/ipld-eth-server/v4/pkg/eth"
+	"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/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"
@@ -35,10 +39,6 @@ import (
 	"github.com/jmoiron/sqlx"
 	. "github.com/onsi/ginkgo"
 	. "github.com/onsi/gomega"
-
-	"github.com/vulcanize/ipld-eth-server/pkg/eth"
-	"github.com/vulcanize/ipld-eth-server/pkg/eth/test_helpers"
-	ethServerShared "github.com/vulcanize/ipld-eth-server/pkg/shared"
 )
 
 var (
@@ -195,8 +195,8 @@ var _ = Describe("API", func() {
 			tx  interfaces.Batch
 		)
 
-		db = eth.SetupTestDB()
+		db = shared.SetupDB()
-		indexAndPublisher := eth.SetupTestStateDiffIndexer(ctx, chainConfig, test_helpers.Genesis.Hash())
+		indexAndPublisher := shared.SetupTestStateDiffIndexer(ctx, chainConfig, test_helpers.Genesis.Hash())
 
 		backend, err := eth.NewEthBackend(db, &eth.Config{
 			ChainConfig: chainConfig,
@@ -241,7 +241,7 @@ var _ = Describe("API", func() {
 
 		// setting chain config to for london block
 		chainConfig.LondonBlock = big.NewInt(2)
-		indexAndPublisher = eth.SetupTestStateDiffIndexer(ctx, chainConfig, test_helpers.Genesis.Hash())
+		indexAndPublisher = shared.SetupTestStateDiffIndexer(ctx, chainConfig, test_helpers.Genesis.Hash())
 
 		tx, err = indexAndPublisher.PushBlock(test_helpers.MockLondonBlock, test_helpers.MockLondonReceipts, test_helpers.MockLondonBlock.Difficulty())
 		Expect(err).ToNot(HaveOccurred())
@@ -251,7 +251,7 @@ var _ = Describe("API", func() {
 	})
 
 	// Single test db tear down at end of all tests
-	defer It("test teardown", func() { eth.TearDownTestDB(db) })
+	defer It("test teardown", func() { shared.TearDownDB(db) })
 	/*
 
 	   Headers and blocks
@@ -333,6 +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() {
@@ -374,6 +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/pkg"
-	ipfsethdb "github.com/vulcanize/ipfs-ethdb/postgres"
 
 	ethServerShared "github.com/ethereum/go-ethereum/statediff/indexer/shared"
 
-	"github.com/vulcanize/ipld-eth-server/pkg/shared"
+	"github.com/cerc-io/ipld-eth-server/v4/pkg/shared"
 )
 
 var (
@@ -56,34 +55,44 @@ 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.
-	errMissingSignature = errors.New("extra-data 65 byte signature suffix missing")
 )
 
 const (
-	RetrieveCanonicalBlockHashByNumber = `SELECT block_hash FROM eth.header_cids
+	RetrieveCanonicalBlockHashByNumber = `SELECT block_hash
-									INNER JOIN public.blocks ON (header_cids.mh_key = blocks.key)
+									FROM canonical_header_hash($1) AS block_hash
-									WHERE block_hash = (SELECT canonical_header_hash($1))`
+									WHERE block_hash IS NOT NULL`
 	RetrieveCanonicalHeaderByNumber = `SELECT cid, data FROM eth.header_cids
-									INNER JOIN public.blocks ON (header_cids.mh_key = blocks.key)
+									INNER JOIN public.blocks ON (
+										header_cids.mh_key = blocks.key
+										AND header_cids.block_number = blocks.block_number
+									)
 									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, block_number, index FROM public.blocks, eth.transaction_cids, eth.header_cids
+	RetrieveRPCTransaction = `SELECT blocks.data, header_id, transaction_cids.block_number, index
+			FROM public.blocks, eth.transaction_cids
 			WHERE blocks.key = transaction_cids.mh_key
-			AND transaction_cids.header_id = header_cids.block_hash
+			AND blocks.block_number = transaction_cids.block_number
-			AND transaction_cids.tx_hash = $1`
+			AND transaction_cids.tx_hash = $1
+			AND transaction_cids.header_id = (SELECT canonical_header_hash(transaction_cids.block_number))`
 	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
+											WHERE state_accounts.header_id = state_cids.header_id
+											AND state_accounts.state_path = state_cids.state_path
+											AND state_accounts.block_number = state_cids.block_number
 											AND state_cids.header_id = header_cids.block_hash
+											AND state_cids.block_number = header_cids.block_number
 											AND state_leaf_key = $1
-											AND block_number <= (SELECT block_number
+											AND header_cids.block_number <= (SELECT block_number
 																FROM eth.header_cids
 																WHERE block_hash = $2)
-											AND header_cids.block_hash = (SELECT canonical_header_hash(block_number))
+											AND header_cids.block_hash = (SELECT canonical_header_hash(header_cids.block_number))
-											ORDER BY block_number DESC
+											ORDER BY header_cids.block_number DESC
 											LIMIT 1`
 	RetrieveCodeByMhKey = `SELECT data FROM public.blocks WHERE key = $1`
 )
@@ -182,7 +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
 	}
@@ -215,6 +240,10 @@ func (b *Backend) HeaderByNumberOrHash(ctx context.Context, blockNrOrHash rpc.Bl
 	return nil, errors.New("invalid arguments; neither block nor hash specified")
 }
 
+func (b *Backend) PendingBlockAndReceipts() (*types.Block, types.Receipts) {
+	return nil, nil
+}
+
 // GetTd gets the total difficulty at the given block hash
 func (b *Backend) GetTd(blockHash common.Hash) (*big.Int, error) {
 	var tdStr string
@@ -229,6 +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)
@@ -267,7 +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()
@@ -289,6 +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 {
@@ -297,112 +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)
-	headerCID, uncleCIDs, txCIDs, rctCIDs, err := b.Retriever.RetrieveBlockByHash(canonicalHash)
-	if err != nil {
-		if err == sql.ErrNoRows {
-			return nil, nil
-		}
-		return nil, err
-	}
 
-	// Begin tx
+	return b.BlockByHash(ctx, canonicalHash)
-	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
+// BlockByHash returns the requested block
-// 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 {
@@ -419,105 +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
-	// Fetch and decode the transaction IPLDs
+	return types.NewBlock(header, transactions, uncles, receipts, new(trie.Trie)), err
-	var txIPLDs []models.IPLDModel
+}
-	txIPLDs, err = b.Fetcher.FetchTrxs(tx, txCIDs)
+
-	if err != nil {
+// GetHeaderByBlockHash retrieves header for a provided block hash
-		if err == sql.ErrNoRows {
+func (b *Backend) GetHeaderByBlockHash(tx *sqlx.Tx, hash common.Hash) (*types.Header, error) {
-			return nil, nil
+	_, headerRLP, err := b.IPLDRetriever.RetrieveHeaderByHash(tx, hash)
-		}
-		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
 	}
@@ -534,8 +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
 	}
@@ -832,8 +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

@@ -19,6 +19,7 @@ package eth
 import (
 	"fmt"
 	"math/big"
+	"strconv"
 
 	"github.com/ethereum/go-ethereum/common"
 	"github.com/ethereum/go-ethereum/crypto"
@@ -26,8 +27,10 @@ import (
 	"github.com/jmoiron/sqlx"
 	"github.com/lib/pq"
 	log "github.com/sirupsen/logrus"
+	"gorm.io/driver/postgres"
+	"gorm.io/gorm"
 
-	"github.com/vulcanize/ipld-eth-server/pkg/shared"
+	"github.com/cerc-io/ipld-eth-server/v4/pkg/shared"
 )
 
 // Retriever interface for substituting mocks in tests
@@ -40,12 +43,74 @@ type Retriever interface {
 // CIDRetriever satisfies the CIDRetriever interface for ethereum
 type CIDRetriever struct {
 	db     *sqlx.DB
+	gormDB *gorm.DB
+}
+
+type IPLDModelRecord struct {
+	models.IPLDModel
+}
+
+// TableName overrides the table name used by IPLD
+func (IPLDModelRecord) TableName() string {
+	return "public.blocks"
+}
+
+type HeaderCIDRecord struct {
+	CID             string `gorm:"column:cid"`
+	BlockHash       string `gorm:"primaryKey"`
+	BlockNumber     string `gorm:"primaryKey"`
+	ParentHash      string
+	Timestamp       uint64
+	StateRoot       string
+	TotalDifficulty string `gorm:"column:td"`
+	TxRoot          string
+	RctRoot         string `gorm:"column:receipt_root"`
+	UncleRoot       string
+	Bloom           []byte
+	MhKey           string
+
+	// gorm doesn't check if foreign key exists in database.
+	// It is required to eager load relations using preload.
+	TransactionCIDs []TransactionCIDRecord `gorm:"foreignKey:HeaderID,BlockNumber;references:BlockHash,BlockNumber"`
+	IPLD            IPLDModelRecord        `gorm:"foreignKey:MhKey,BlockNumber;references:Key,BlockNumber"`
+}
+
+// TableName overrides the table name used by HeaderCIDRecord
+func (HeaderCIDRecord) TableName() string {
+	return "eth.header_cids"
+}
+
+type TransactionCIDRecord struct {
+	CID         string `gorm:"column:cid"`
+	TxHash      string `gorm:"primaryKey"`
+	BlockNumber string `gorm:"primaryKey"`
+	HeaderID    string `gorm:"column:header_id"`
+	Index       int64
+	Src         string
+	Dst         string
+	MhKey       string
+	IPLD        IPLDModelRecord `gorm:"foreignKey:MhKey,BlockNumber;references:Key,BlockNumber"`
+}
+
+// TableName overrides the table name used by TransactionCIDRecord
+func (TransactionCIDRecord) TableName() string {
+	return "eth.transaction_cids"
 }
 
 // NewCIDRetriever returns a pointer to a new CIDRetriever which supports the CIDRetriever interface
 func NewCIDRetriever(db *sqlx.DB) *CIDRetriever {
+	gormDB, err := gorm.Open(postgres.New(postgres.Config{
+		Conn: db,
+	}), &gorm.Config{})
+
+	if err != nil {
+		log.Error(err)
+		return nil
+	}
+
 	return &CIDRetriever{
 		db:     db,
+		gormDB: gormDB,
 	}
 }
 
@@ -59,7 +124,7 @@ func (ecr *CIDRetriever) RetrieveFirstBlockNumber() (int64, error) {
 // RetrieveLastBlockNumber is used to retrieve the latest block number in the db
 func (ecr *CIDRetriever) RetrieveLastBlockNumber() (int64, error) {
 	var blockNumber int64
-	err := ecr.db.Get(&blockNumber, "SELECT block_number FROM eth.header_cids ORDER BY block_number DESC LIMIT 1 ")
+	err := ecr.db.Get(&blockNumber, "SELECT block_number FROM eth.header_cids ORDER BY block_number DESC LIMIT 1")
 	return blockNumber, err
 }
 
@@ -126,7 +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
@@ -167,9 +232,9 @@ func (ecr *CIDRetriever) Retrieve(filter SubscriptionSettings, blockNumber int64
 func (ecr *CIDRetriever) RetrieveHeaderCIDs(tx *sqlx.Tx, blockNumber int64) ([]models.HeaderModel, error) {
 	log.Debug("retrieving header cids for block ", blockNumber)
 	headers := make([]models.HeaderModel, 0)
-	pgStr := `SELECT CAST(block_number as Text), block_hash,parent_hash,cid,mh_key,CAST(td as Text),node_id,
+	pgStr := `SELECT CAST(block_number as Text), block_hash, parent_hash, cid, mh_key, CAST(td as Text), node_id,
-				CAST(reward as Text), state_root,uncle_root,tx_root,receipt_root,bloom,timestamp,times_validated,
+				CAST(reward as Text), state_root, uncle_root,tx_root, receipt_root, bloom, timestamp, times_validated, coinbase
-				coinbase FROM eth.header_cids
+				FROM eth.header_cids
 				WHERE block_number = $1`
 	return headers, tx.Select(&headers, pgStr, blockNumber)
 }
@@ -178,7 +243,8 @@ func (ecr *CIDRetriever) RetrieveHeaderCIDs(tx *sqlx.Tx, blockNumber int64) ([]m
 func (ecr *CIDRetriever) RetrieveUncleCIDsByHeaderID(tx *sqlx.Tx, headerID string) ([]models.UncleModel, error) {
 	log.Debug("retrieving uncle cids for block id ", headerID)
 	headers := make([]models.UncleModel, 0)
-	pgStr := `SELECT header_id,block_hash,parent_hash,cid,mh_key, CAST(reward as text) FROM eth.uncle_cids
+	pgStr := `SELECT CAST(block_number as Text), header_id, block_hash, parent_hash, cid, mh_key, CAST(reward as text)
+				FROM eth.uncle_cids
 				WHERE header_id = $1`
 	return headers, tx.Select(&headers, pgStr, headerID)
 }
@@ -190,9 +256,14 @@ func (ecr *CIDRetriever) RetrieveTxCIDs(tx *sqlx.Tx, txFilter TxFilter, headerID
 	args := make([]interface{}, 0, 3)
 	results := make([]models.TxModel, 0)
 	id := 1
-	pgStr := fmt.Sprintf(`SELECT transaction_cids.tx_hash, transaction_cids.header_id,transaction_cids.cid, transaction_cids.mh_key,
+	pgStr := fmt.Sprintf(`SELECT CAST(transaction_cids.block_number as Text), transaction_cids.tx_hash,
-				transaction_cids.dst, transaction_cids.src, transaction_cids.index, transaction_cids.tx_data
+				transaction_cids.header_id, transaction_cids.cid, transaction_cids.mh_key, transaction_cids.dst,
-				FROM eth.transaction_cids INNER JOIN eth.header_cids ON (transaction_cids.header_id = header_cids.block_hash)
+				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
+						AND transaction_cids.block_number = header_cids.block_number
+					)
 				WHERE header_cids.block_hash = $%d`, id)
 	args = append(args, headerID)
 	id++
@@ -287,41 +358,28 @@ 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
+// RetrieveFilteredGQLLogs retrieves and returns all the log CIDs provided blockHash 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 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 transaction_cids.header_id = header_cids.block_hash
-			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 eth.log_cids.leaf_cid, eth.log_cids.index, eth.log_cids.rct_id,
+	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 log_cids.leaf_mh_key = blocks.key AND header_cids.block_hash = $1`
+				AND transaction_cids.block_number = header_cids.block_number
+ 				AND log_cids.leaf_mh_key = blocks.key
+				AND log_cids.block_number = blocks.block_number
+				AND header_cids.block_hash = $1`
 
 	args = append(args, blockHash.String())
 	id++
@@ -338,19 +396,24 @@ 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")
 	args := make([]interface{}, 0, 4)
-	pgStr := `SELECT eth.log_cids.leaf_cid, eth.log_cids.index, eth.log_cids.rct_id,
+	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 transaction_cids.header_id = header_cids.block_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`
 	id := 1
 	if blockNumber > 0 {
 		pgStr += fmt.Sprintf(` AND header_cids.block_number = $%d`, id)
@@ -377,30 +440,34 @@ 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 receipt_cids.tx_id, receipt_cids.leaf_cid, receipt_cids.leaf_mh_key, receipt_cids.tx_id
+	pgStr := `SELECT CAST(receipt_cids.block_number as Text), receipt_cids.header_id, receipt_cids.tx_id,
+			receipt_cids.leaf_cid, receipt_cids.leaf_mh_key, receipt_cids.contract, receipt_cids.contract_hash
  			FROM eth.receipt_cids, eth.transaction_cids, eth.header_cids
 			WHERE receipt_cids.tx_id = transaction_cids.tx_hash
-			AND transaction_cids.header_id = header_cids.block_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`
 	id := 1
 	if blockNumber > 0 {
 		pgStr += fmt.Sprintf(` AND header_cids.block_number = $%d`, id)
 		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++
 	}
 
 	pgStr, args = receiptFilterConditions(&id, pgStr, args, rctFilter, txHashes)
 
 	pgStr += ` ORDER BY transaction_cids.index`
-	receiptCids := make([]models.ReceiptModel, 0)
+	receiptCIDs := make([]models.ReceiptModel, 0)
-	return receiptCids, tx.Select(&receiptCids, pgStr, args...)
+	return receiptCIDs, tx.Select(&receiptCIDs, pgStr, args...)
 }
 
 func hasTopics(topics [][]string) bool {
@@ -416,9 +483,13 @@ func hasTopics(topics [][]string) bool {
 func (ecr *CIDRetriever) RetrieveStateCIDs(tx *sqlx.Tx, stateFilter StateFilter, headerID string) ([]models.StateNodeModel, error) {
 	log.Debug("retrieving state cids for header id ", headerID)
 	args := make([]interface{}, 0, 2)
-	pgStr := `SELECT state_cids.header_id,
+	pgStr := `SELECT CAST(state_cids.block_number as Text), state_cids.header_id,
 			state_cids.state_leaf_key, state_cids.node_type, state_cids.cid, state_cids.mh_key, state_cids.state_path
-			FROM eth.state_cids INNER JOIN eth.header_cids ON (state_cids.header_id = header_cids.block_hash)
+			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
+			)
 			WHERE header_cids.block_hash = $1`
 	args = append(args, headerID)
 	addrLen := len(stateFilter.Addresses)
@@ -441,11 +512,15 @@ func (ecr *CIDRetriever) RetrieveStateCIDs(tx *sqlx.Tx, stateFilter StateFilter,
 func (ecr *CIDRetriever) RetrieveStorageCIDs(tx *sqlx.Tx, storageFilter StorageFilter, headerID string) ([]models.StorageNodeWithStateKeyModel, error) {
 	log.Debug("retrieving storage cids for header id ", headerID)
 	args := make([]interface{}, 0, 3)
-	pgStr := `SELECT storage_cids.header_id, storage_cids.storage_leaf_key, storage_cids.node_type,
+	pgStr := `SELECT CAST(storage_cids.block_number as Text), storage_cids.header_id, storage_cids.storage_leaf_key,
- 			storage_cids.cid, storage_cids.mh_key, storage_cids.storage_path, storage_cids.state_path, state_cids.state_leaf_key
+			storage_cids.node_type, storage_cids.cid, storage_cids.mh_key, storage_cids.storage_path, storage_cids.state_path,
+			state_cids.state_leaf_key
  			FROM eth.storage_cids, eth.state_cids, eth.header_cids
-			WHERE storage_cids.header_id = state_cids.header_id AND storage_cids.state_path = state_cids.state_path
+			WHERE storage_cids.header_id = state_cids.header_id
+			AND storage_cids.state_path = state_cids.state_path
+			AND storage_cids.block_number = state_cids.block_number
 			AND state_cids.header_id = header_cids.block_hash
+			AND state_cids.block_number = header_cids.block_number
 			AND header_cids.block_hash = $1`
 	args = append(args, headerID)
 	id := 2
@@ -496,6 +571,10 @@ func (ecr *CIDRetriever) RetrieveBlockByHash(blockHash common.Hash) (models.Head
 		log.Error("header cid retrieval error")
 		return models.HeaderModel{}, nil, nil, nil, err
 	}
+	blockNumber, err := strconv.ParseInt(headerCID.BlockNumber, 10, 64)
+	if err != nil {
+		return models.HeaderModel{}, nil, nil, nil, err
+	}
 	var uncleCIDs []models.UncleModel
 	uncleCIDs, err = ecr.RetrieveUncleCIDsByHeaderID(tx, headerCID.BlockHash)
 	if err != nil {
@@ -503,7 +582,7 @@ func (ecr *CIDRetriever) RetrieveBlockByHash(blockHash common.Hash) (models.Head
 		return models.HeaderModel{}, nil, nil, nil, err
 	}
 	var txCIDs []models.TxModel
-	txCIDs, err = ecr.RetrieveTxCIDsByHeaderID(tx, headerCID.BlockHash)
+	txCIDs, err = ecr.RetrieveTxCIDsByHeaderID(tx, headerCID.BlockHash, blockNumber)
 	if err != nil {
 		log.Error("tx cid retrieval error")
 		return models.HeaderModel{}, nil, nil, nil, err
@@ -513,7 +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")
 	}
@@ -556,7 +635,7 @@ func (ecr *CIDRetriever) RetrieveBlockByNumber(blockNumber int64) (models.Header
 		return models.HeaderModel{}, nil, nil, nil, err
 	}
 	var txCIDs []models.TxModel
-	txCIDs, err = ecr.RetrieveTxCIDsByHeaderID(tx, headerCID[0].BlockHash)
+	txCIDs, err = ecr.RetrieveTxCIDsByHeaderID(tx, headerCID[0].BlockHash, blockNumber)
 	if err != nil {
 		log.Error("tx cid retrieval error")
 		return models.HeaderModel{}, nil, nil, nil, err
@@ -566,7 +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")
 	}
@@ -576,31 +655,106 @@ func (ecr *CIDRetriever) RetrieveBlockByNumber(blockNumber int64) (models.Header
 // RetrieveHeaderCIDByHash returns the header for the given block hash
 func (ecr *CIDRetriever) RetrieveHeaderCIDByHash(tx *sqlx.Tx, blockHash common.Hash) (models.HeaderModel, error) {
 	log.Debug("retrieving header cids for block hash ", blockHash.String())
-	pgStr := `SELECT block_hash,cid,mh_key FROM eth.header_cids
+	pgStr := `SELECT block_hash, CAST(block_number as Text), parent_hash, cid, mh_key, CAST(td as Text),
+			state_root, uncle_root, tx_root, receipt_root, bloom, timestamp FROM eth.header_cids
 			WHERE block_hash = $1`
 	var headerCID models.HeaderModel
 	return headerCID, tx.Get(&headerCID, pgStr, blockHash.String())
 }
 
 // RetrieveTxCIDsByHeaderID retrieves all tx CIDs for the given header id
-func (ecr *CIDRetriever) RetrieveTxCIDsByHeaderID(tx *sqlx.Tx, headerID string) ([]models.TxModel, error) {
+func (ecr *CIDRetriever) RetrieveTxCIDsByHeaderID(tx *sqlx.Tx, headerID string, blockNumber int64) ([]models.TxModel, error) {
 	log.Debug("retrieving tx cids for block id ", headerID)
-	pgStr := `SELECT * FROM eth.transaction_cids
+	pgStr := `SELECT CAST(block_number as Text), header_id, index, tx_hash, cid, mh_key,
-			WHERE header_id = $1
+			dst, src, tx_data, tx_type, value
+			FROM eth.transaction_cids
+			WHERE header_id = $1 AND block_number = $2
 			ORDER BY index`
 	var txCIDs []models.TxModel
-	return txCIDs, tx.Select(&txCIDs, pgStr, headerID)
+	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 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
+func (ecr *CIDRetriever) RetrieveHeaderAndTxCIDsByBlockNumber(blockNumber int64) ([]HeaderCIDRecord, error) {
+	log.Debug("retrieving header cids and tx cids for block number ", blockNumber)
+
+	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").Find(&headerCIDs, "header_cids.block_number = ?", blockNumber).Error
+
+	if err != nil {
+		log.Error("header cid retrieval error")
+		return nil, err
+	}
+
+	return headerCIDs, nil
+}
+
+// RetrieveHeaderAndTxCIDsByBlockHash retrieves header CID and their associated tx CIDs by block hash
+func (ecr *CIDRetriever) RetrieveHeaderAndTxCIDsByBlockHash(blockHash common.Hash) (HeaderCIDRecord, error) {
+	log.Debug("retrieving header cid and tx cids for block hash ", blockHash.String())
+
+	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").Find(&headerCIDs, "block_hash = ?", blockHash.String()).Error
+
+	if err != nil {
+		log.Error("header cid retrieval error")
+		return HeaderCIDRecord{}, err
+	}
+
+	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 txCIDs []TransactionCIDRecord
+
+	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 TransactionCIDRecord{}, err
+	}
+
+	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"
@@ -28,9 +31,6 @@ import (
 	"github.com/jmoiron/sqlx"
 	. "github.com/onsi/ginkgo"
 	. "github.com/onsi/gomega"
-
-	"github.com/vulcanize/ipld-eth-server/pkg/eth"
-	"github.com/vulcanize/ipld-eth-server/pkg/eth/test_helpers"
 )
 
 var (
@@ -215,13 +215,13 @@ var _ = Describe("Retriever", func() {
 		retriever   *eth.CIDRetriever
 	)
 	BeforeEach(func() {
-		db = eth.SetupTestDB()
+		db = shared.SetupDB()
-		diffIndexer = eth.SetupTestStateDiffIndexer(ctx, params.TestChainConfig, test_helpers.Genesis.Hash())
+		diffIndexer = shared.SetupTestStateDiffIndexer(ctx, params.TestChainConfig, test_helpers.Genesis.Hash())
 
 		retriever = eth.NewCIDRetriever(db)
 	})
 	AfterEach(func() {
-		eth.TearDownTestDB(db)
+		shared.TearDownDB(db)
 	})
 
 	Describe("Retrieve", func() {
@@ -248,6 +248,7 @@ var _ = Describe("Retriever", func() {
 				AND header_cids.block_number = $1
 				ORDER BY transaction_cids.index`
 			err := db.Select(&expectedRctCIDsAndLeafNodes, pgStr, test_helpers.BlockNumber.Uint64())
+			Expect(err).ToNot(HaveOccurred())
 			cids, empty, err := retriever.Retrieve(openFilter, 1)
 			Expect(err).ToNot(HaveOccurred())
 			Expect(empty).ToNot(BeTrue())
@@ -411,6 +412,7 @@ var _ = Describe("Retriever", func() {
 			Expect(len(cids7[0].StorageNodes)).To(Equal(0))
 			Expect(len(cids7[0].StateNodes)).To(Equal(1))
 			Expect(cids7[0].StateNodes[0]).To(Equal(models.StateNodeModel{
+				BlockNumber: "1",
 				HeaderID:    cids7[0].StateNodes[0].HeaderID,
 				NodeType:    2,
 				StateKey:    common.BytesToHash(test_helpers.AccountLeafKey).Hex(),

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"
@@ -36,10 +40,6 @@ import (
 	"github.com/jmoiron/sqlx"
 	. "github.com/onsi/ginkgo"
 	. "github.com/onsi/gomega"
-
-	"github.com/vulcanize/ipld-eth-server/pkg/eth"
-	"github.com/vulcanize/ipld-eth-server/pkg/eth/test_helpers"
-	ethServerShared "github.com/vulcanize/ipld-eth-server/pkg/shared"
 )
 
 var (
@@ -74,8 +74,8 @@ var _ = Describe("eth state reading tests", func() {
 	It("test init", func() {
 		// db and type initializations
 		var err error
-		db = eth.SetupTestDB()
+		db = shared.SetupDB()
-		transformer := eth.SetupTestStateDiffIndexer(ctx, chainConfig, test_helpers.Genesis.Hash())
+		transformer := shared.SetupTestStateDiffIndexer(ctx, chainConfig, test_helpers.Genesis.Hash())
 
 		backend, err = eth.NewEthBackend(db, &eth.Config{
 			ChainConfig: chainConfig,
@@ -155,7 +155,7 @@ var _ = Describe("eth state reading tests", func() {
 		}
 
 		// Insert some non-canonical data into the database so that we test our ability to discern canonicity
-		indexAndPublisher := eth.SetupTestStateDiffIndexer(ctx, chainConfig, test_helpers.Genesis.Hash())
+		indexAndPublisher := shared.SetupTestStateDiffIndexer(ctx, chainConfig, test_helpers.Genesis.Hash())
 
 		tx, err := indexAndPublisher.PushBlock(test_helpers.MockBlock, test_helpers.MockReceipts, test_helpers.MockBlock.Difficulty())
 		Expect(err).ToNot(HaveOccurred())
@@ -181,7 +181,7 @@ var _ = Describe("eth state reading tests", func() {
 		Expect(err).ToNot(HaveOccurred())
 	})
 	defer It("test teardown", func() {
-		eth.TearDownTestDB(db)
+		shared.TearDownDB(db)
 		chain.Stop()
 	})
 

pkg/eth/filterer.go

@@ -82,6 +82,7 @@ func (s *ResponseFilterer) filterHeaders(headerFilter HeaderFilter, response *IP
 			return err
 		}
 		response.Header = models.IPLDModel{
+			BlockNumber: payload.Block.Number().String(),
 			Data:        headerRLP,
 			Key:         cid.String(),
 		}
@@ -97,6 +98,7 @@ func (s *ResponseFilterer) filterHeaders(headerFilter HeaderFilter, response *IP
 					return err
 				}
 				response.Uncles[i] = models.IPLDModel{
+					BlockNumber: uncle.Number.String(),
 					Data:        uncleRlp,
 					Key:         cid.String(),
 				}
@@ -183,6 +185,7 @@ func (s *ResponseFilterer) filerReceipts(receiptFilter ReceiptFilter, response *
 			// TODO: Verify this filter logic.
 			if checkReceipts(receipt, receiptFilter.Topics, topics, receiptFilter.LogAddresses, contracts, trxHashes) {
 				response.Receipts = append(response.Receipts, models.IPLDModel{
+					BlockNumber: payload.Block.Number().String(),
 					Data:        rctIPLDData[idx],
 					Key:         rctLeafCID[idx].String(),
 				})
@@ -282,6 +285,7 @@ func (s *ResponseFilterer) filterStateAndStorage(stateFilter StateFilter, storag
 					StateLeafKey: common.BytesToHash(stateNode.LeafKey),
 					Path:         stateNode.Path,
 					IPLD: models.IPLDModel{
+						BlockNumber: payload.Block.Number().String(),
 						Data:        stateNode.NodeValue,
 						Key:         cid.String(),
 					},
@@ -300,6 +304,7 @@ func (s *ResponseFilterer) filterStateAndStorage(stateFilter StateFilter, storag
 						StateLeafKey:   common.BytesToHash(stateNode.LeafKey),
 						StorageLeafKey: common.BytesToHash(storageNode.LeafKey),
 						IPLD: models.IPLDModel{
+							BlockNumber: payload.Block.Number().String(),
 							Data:        storageNode.NodeValue,
 							Key:         cid.String(),
 						},

pkg/eth/filterer_test.go

@@ -25,9 +25,9 @@ import (
 	. "github.com/onsi/ginkgo"
 	. "github.com/onsi/gomega"
 
-	"github.com/vulcanize/ipld-eth-server/pkg/eth"
+	"github.com/cerc-io/ipld-eth-server/v4/pkg/eth"
-	"github.com/vulcanize/ipld-eth-server/pkg/eth/test_helpers"
+	"github.com/cerc-io/ipld-eth-server/v4/pkg/eth/test_helpers"
-	"github.com/vulcanize/ipld-eth-server/pkg/shared"
+	"github.com/cerc-io/ipld-eth-server/v4/pkg/shared"
 )
 
 var (
@@ -61,12 +61,14 @@ var _ = Describe("Filterer", func() {
 				Expect(stateNode.Type).To(Equal(sdtypes.Leaf))
 				if bytes.Equal(stateNode.StateLeafKey.Bytes(), test_helpers.AccountLeafKey) {
 					Expect(stateNode.IPLD).To(Equal(models.IPLDModel{
+						BlockNumber: test_helpers.BlockNumber.String(),
 						Data:        test_helpers.State2IPLD.RawData(),
 						Key:         test_helpers.State2IPLD.Cid().String(),
 					}))
 				}
 				if bytes.Equal(stateNode.StateLeafKey.Bytes(), test_helpers.ContractLeafKey) {
 					Expect(stateNode.IPLD).To(Equal(models.IPLDModel{
+						BlockNumber: test_helpers.BlockNumber.String(),
 						Data:        test_helpers.State1IPLD.RawData(),
 						Key:         test_helpers.State1IPLD.Cid().String(),
 					}))
@@ -87,6 +89,7 @@ var _ = Describe("Filterer", func() {
 			Expect(len(iplds1.StateNodes)).To(Equal(0))
 			Expect(len(iplds1.Receipts)).To(Equal(1))
 			Expect(iplds1.Receipts[0]).To(Equal(models.IPLDModel{
+				BlockNumber: test_helpers.BlockNumber.String(),
 				Data:        test_helpers.Rct1IPLD,
 				Key:         test_helpers.Rct1CID.String(),
 			}))
@@ -102,6 +105,7 @@ var _ = Describe("Filterer", func() {
 			Expect(len(iplds2.StateNodes)).To(Equal(0))
 			Expect(len(iplds2.Receipts)).To(Equal(1))
 			Expect(iplds2.Receipts[0]).To(Equal(models.IPLDModel{
+				BlockNumber: test_helpers.BlockNumber.String(),
 				Data:        test_helpers.Rct1IPLD,
 				Key:         test_helpers.Rct1CID.String(),
 			}))
@@ -117,6 +121,7 @@ var _ = Describe("Filterer", func() {
 			Expect(len(iplds3.StateNodes)).To(Equal(0))
 			Expect(len(iplds3.Receipts)).To(Equal(1))
 			Expect(iplds3.Receipts[0]).To(Equal(models.IPLDModel{
+				BlockNumber: test_helpers.BlockNumber.String(),
 				Data:        test_helpers.Rct1IPLD,
 				Key:         test_helpers.Rct1CID.String(),
 			}))
@@ -132,6 +137,7 @@ var _ = Describe("Filterer", func() {
 			Expect(len(iplds4.StateNodes)).To(Equal(0))
 			Expect(len(iplds4.Receipts)).To(Equal(1))
 			Expect(iplds4.Receipts[0]).To(Equal(models.IPLDModel{
+				BlockNumber: test_helpers.BlockNumber.String(),
 				Data:        test_helpers.Rct2IPLD,
 				Key:         test_helpers.Rct2CID.String(),
 			}))
@@ -165,6 +171,7 @@ var _ = Describe("Filterer", func() {
 			Expect(len(iplds6.StateNodes)).To(Equal(0))
 			Expect(len(iplds6.Receipts)).To(Equal(1))
 			Expect(iplds4.Receipts[0]).To(Equal(models.IPLDModel{
+				BlockNumber: test_helpers.BlockNumber.String(),
 				Data:        test_helpers.Rct2IPLD,
 				Key:         test_helpers.Rct2CID.String(),
 			}))
@@ -181,6 +188,7 @@ var _ = Describe("Filterer", func() {
 			Expect(len(iplds7.StateNodes)).To(Equal(1))
 			Expect(iplds7.StateNodes[0].StateLeafKey.Bytes()).To(Equal(test_helpers.AccountLeafKey))
 			Expect(iplds7.StateNodes[0].IPLD).To(Equal(models.IPLDModel{
+				BlockNumber: test_helpers.BlockNumber.String(),
 				Data:        test_helpers.State2IPLD.RawData(),
 				Key:         test_helpers.State2IPLD.Cid().String(),
 			}))

pkg/eth/helpers.go

@@ -17,16 +17,7 @@
 package eth
 
 import (
-	"encoding/json"
-	"fmt"
-	"os"
-
-	"github.com/ethereum/go-ethereum/cmd/utils"
-	log "github.com/sirupsen/logrus"
-
 	sdtypes "github.com/ethereum/go-ethereum/statediff/types"
-
-	"github.com/ethereum/go-ethereum/params"
 )
 
 func ResolveToNodeType(nodeType int) sdtypes.NodeType {
@@ -43,41 +34,3 @@ func ResolveToNodeType(nodeType int) sdtypes.NodeType {
 		return sdtypes.Unknown
 	}
 }
-
-// LoadConfig loads chain config from json file
-func LoadConfig(chainConfigPath string) (*params.ChainConfig, error) {
-	file, err := os.Open(chainConfigPath)
-	if err != nil {
-		utils.Fatalf("Failed to read chain config file: %v", err)
-
-		return nil, err
-	}
-	defer file.Close()
-
-	chainConfig := new(params.ChainConfig)
-	if err := json.NewDecoder(file).Decode(chainConfig); err != nil {
-		utils.Fatalf("invalid chain config file: %v", err)
-
-		return nil, err
-	}
-
-	log.Infof("Using chain config from %s file. Content %+v", chainConfigPath, chainConfig)
-
-	return chainConfig, nil
-}
-
-// ChainConfig returns the appropriate ethereum chain config for the provided chain id
-func ChainConfig(chainID uint64) (*params.ChainConfig, error) {
-	switch chainID {
-	case 1:
-		return params.MainnetChainConfig, nil
-	case 3:
-		return params.RopstenChainConfig, nil
-	case 4:
-		return params.RinkebyChainConfig, nil
-	case 5:
-		return params.GoerliChainConfig, nil
-	default:
-		return nil, fmt.Errorf("chain config for chainid %d not available", chainID)
-	}
-}

pkg/eth/ipld_fetcher.go

@@ -20,12 +20,13 @@ import (
 	"errors"
 	"fmt"
 	"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/pkg/shared"
 )
 
 // Fetcher interface for substituting mocks in tests
@@ -99,14 +100,20 @@ func (f *IPLDFetcher) Fetch(cids CIDWrapper) (*IPLDs, error) {
 	return iplds, err
 }
 
-// FetchHeaders fetches headers
+// FetchHeader fetches header
 func (f *IPLDFetcher) FetchHeader(tx *sqlx.Tx, c models.HeaderModel) (models.IPLDModel, error) {
 	log.Debug("fetching header ipld")
-	headerBytes, err := shared.FetchIPLDByMhKey(tx, c.MhKey)
+	blockNumber, err := strconv.ParseUint(c.BlockNumber, 10, 64)
+	if err != nil {
+		return models.IPLDModel{}, err
+	}
+
+	headerBytes, err := shared.FetchIPLDByMhKeyAndBlockNumber(tx, c.MhKey, blockNumber)
 	if err != nil {
 		return models.IPLDModel{}, err
 	}
 	return models.IPLDModel{
+		BlockNumber: c.BlockNumber,
 		Data:        headerBytes,
 		Key:         c.CID,
 	}, nil
@@ -117,11 +124,16 @@ func (f *IPLDFetcher) FetchUncles(tx *sqlx.Tx, cids []models.UncleModel) ([]mode
 	log.Debug("fetching uncle iplds")
 	uncleIPLDs := make([]models.IPLDModel, len(cids))
 	for i, c := range cids {
-		uncleBytes, err := shared.FetchIPLDByMhKey(tx, c.MhKey)
+		blockNumber, err := strconv.ParseUint(c.BlockNumber, 10, 64)
+		if err != nil {
+			return nil, err
+		}
+		uncleBytes, err := shared.FetchIPLDByMhKeyAndBlockNumber(tx, c.MhKey, blockNumber)
 		if err != nil {
 			return nil, err
 		}
 		uncleIPLDs[i] = models.IPLDModel{
+			BlockNumber: c.BlockNumber,
 			Data:        uncleBytes,
 			Key:         c.CID,
 		}
@@ -134,11 +146,16 @@ func (f *IPLDFetcher) FetchTrxs(tx *sqlx.Tx, cids []models.TxModel) ([]models.IP
 	log.Debug("fetching transaction iplds")
 	trxIPLDs := make([]models.IPLDModel, len(cids))
 	for i, c := range cids {
-		txBytes, err := shared.FetchIPLDByMhKey(tx, c.MhKey)
+		blockNumber, err := strconv.ParseUint(c.BlockNumber, 10, 64)
+		if err != nil {
+			return nil, err
+		}
+		txBytes, err := shared.FetchIPLDByMhKeyAndBlockNumber(tx, c.MhKey, blockNumber)
 		if err != nil {
 			return nil, err
 		}
 		trxIPLDs[i] = models.IPLDModel{
+			BlockNumber: c.BlockNumber,
 			Data:        txBytes,
 			Key:         c.CID,
 		}
@@ -151,12 +168,17 @@ func (f *IPLDFetcher) FetchRcts(tx *sqlx.Tx, cids []models.ReceiptModel) ([]mode
 	log.Debug("fetching receipt iplds")
 	rctIPLDs := make([]models.IPLDModel, len(cids))
 	for i, c := range cids {
-		rctBytes, err := shared.FetchIPLDByMhKey(tx, c.LeafMhKey)
+		blockNumber, err := strconv.ParseUint(c.BlockNumber, 10, 64)
+		if err != nil {
+			return nil, err
+		}
+		rctBytes, err := shared.FetchIPLDByMhKeyAndBlockNumber(tx, c.LeafMhKey, blockNumber)
 		if err != nil {
 			return nil, err
 		}
 		//nodeVal, err := DecodeLeafNode(rctBytes)
 		rctIPLDs[i] = models.IPLDModel{
+			BlockNumber: c.BlockNumber,
 			Data:        rctBytes,
 			Key:         c.LeafCID,
 		}
@@ -172,12 +194,17 @@ func (f *IPLDFetcher) FetchState(tx *sqlx.Tx, cids []models.StateNodeModel) ([]S
 		if stateNode.CID == "" {
 			continue
 		}
-		stateBytes, err := shared.FetchIPLDByMhKey(tx, stateNode.MhKey)
+		blockNumber, err := strconv.ParseUint(stateNode.BlockNumber, 10, 64)
+		if err != nil {
+			return nil, err
+		}
+		stateBytes, err := shared.FetchIPLDByMhKeyAndBlockNumber(tx, stateNode.MhKey, blockNumber)
 		if err != nil {
 			return nil, err
 		}
 		stateNodes = append(stateNodes, StateNode{
 			IPLD: models.IPLDModel{
+				BlockNumber: stateNode.BlockNumber,
 				Data:        stateBytes,
 				Key:         stateNode.CID,
 			},
@@ -197,12 +224,17 @@ func (f *IPLDFetcher) FetchStorage(tx *sqlx.Tx, cids []models.StorageNodeWithSta
 		if storageNode.CID == "" || storageNode.StateKey == "" {
 			continue
 		}
-		storageBytes, err := shared.FetchIPLDByMhKey(tx, storageNode.MhKey)
+		blockNumber, err := strconv.ParseUint(storageNode.BlockNumber, 10, 64)
+		if err != nil {
+			return nil, err
+		}
+		storageBytes, err := shared.FetchIPLDByMhKeyAndBlockNumber(tx, storageNode.MhKey, blockNumber)
 		if err != nil {
 			return nil, err
 		}
 		storageNodes = append(storageNodes, StorageNode{
 			IPLD: models.IPLDModel{
+				BlockNumber: storageNode.BlockNumber,
 				Data:        storageBytes,
 				Key:         storageNode.CID,
 			},

pkg/eth/ipld_fetcher_test.go

@@ -23,8 +23,9 @@ import (
 	. "github.com/onsi/ginkgo"
 	. "github.com/onsi/gomega"
 
-	"github.com/vulcanize/ipld-eth-server/pkg/eth"
+	"github.com/cerc-io/ipld-eth-server/v4/pkg/eth"
-	"github.com/vulcanize/ipld-eth-server/pkg/eth/test_helpers"
+	"github.com/cerc-io/ipld-eth-server/v4/pkg/eth/test_helpers"
+	"github.com/cerc-io/ipld-eth-server/v4/pkg/shared"
 )
 
 var _ = Describe("IPLDFetcher", func() {
@@ -39,8 +40,8 @@ var _ = Describe("IPLDFetcher", func() {
 				err error
 				tx  interfaces.Batch
 			)
-			db = eth.SetupTestDB()
+			db = shared.SetupDB()
-			pubAndIndexer = eth.SetupTestStateDiffIndexer(ctx, params.TestChainConfig, test_helpers.Genesis.Hash())
+			pubAndIndexer = shared.SetupTestStateDiffIndexer(ctx, params.TestChainConfig, test_helpers.Genesis.Hash())
 
 			tx, err = pubAndIndexer.PushBlock(test_helpers.MockBlock, test_helpers.MockReceipts, test_helpers.MockBlock.Difficulty())
 			for _, node := range test_helpers.MockStateNodes {
@@ -54,7 +55,7 @@ var _ = Describe("IPLDFetcher", func() {
 
 		})
 		AfterEach(func() {
-			eth.TearDownTestDB(db)
+			shared.TearDownDB(db)
 		})
 
 		It("Fetches and returns IPLDs for the CIDs provided in the CIDWrapper", 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"
@@ -31,130 +33,224 @@ 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
 								FROM eth.header_cids
-									INNER JOIN public.blocks ON (header_cids.mh_key = blocks.key)
+									INNER JOIN public.blocks ON (
+										header_cids.mh_key = blocks.key
+										AND header_cids.block_number = blocks.block_number
+									)
 								WHERE block_hash = ANY($1::VARCHAR(66)[])`
 	RetrieveHeadersByBlockNumberPgStr = `SELECT cid, data
 								FROM eth.header_cids
-									INNER JOIN public.blocks ON (header_cids.mh_key = blocks.key)
+									INNER JOIN public.blocks ON (
-								WHERE block_number = $1`
+										header_cids.mh_key = blocks.key
+										AND header_cids.block_number = blocks.block_number
+									)
+								WHERE header_cids.block_number = $1`
 	RetrieveHeaderByHashPgStr = `SELECT cid, data
 								FROM eth.header_cids
-									INNER JOIN public.blocks ON (header_cids.mh_key = blocks.key)
+									INNER JOIN public.blocks ON (
+										header_cids.mh_key = blocks.key
+										AND header_cids.block_number = blocks.block_number
+									)
 								WHERE block_hash = $1`
 	RetrieveUnclesByHashesPgStr = `SELECT cid, data
 								FROM eth.uncle_cids
-									INNER JOIN public.blocks ON (uncle_cids.mh_key = blocks.key)
+									INNER JOIN public.blocks ON (
+										uncle_cids.mh_key = blocks.key
+										AND uncle_cids.block_number = blocks.block_number
+									)
 								WHERE block_hash = ANY($1::VARCHAR(66)[])`
 	RetrieveUnclesByBlockHashPgStr = `SELECT uncle_cids.cid, data
 										FROM eth.uncle_cids
-											INNER JOIN eth.header_cids ON (uncle_cids.header_id = header_cids.block_hash)
+											INNER JOIN eth.header_cids ON (
-											INNER JOIN public.blocks ON (uncle_cids.mh_key = blocks.key)
+												uncle_cids.header_id = header_cids.block_hash
-										WHERE block_hash = $1`
+												AND uncle_cids.block_number = header_cids.block_number
+											)
+											INNER JOIN public.blocks ON (
+												uncle_cids.mh_key = blocks.key
+												AND uncle_cids.block_number = blocks.block_number
+											)
+										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 (uncle_cids.header_id = header_cids.block_hash)
+											INNER JOIN eth.header_cids ON (
-											INNER JOIN public.blocks ON (uncle_cids.mh_key = blocks.key)
+												uncle_cids.header_id = header_cids.block_hash
-										WHERE block_number = $1`
+												AND uncle_cids.block_number = header_cids.block_number
+											)
+											INNER JOIN public.blocks ON (
+												uncle_cids.mh_key = blocks.key
+												AND uncle_cids.block_number = blocks.block_number
+											)
+										WHERE header_cids.block_number = $1`
 	RetrieveUncleByHashPgStr = `SELECT cid, data
 								FROM eth.uncle_cids
-									INNER JOIN public.blocks ON (uncle_cids.mh_key = blocks.key)
+									INNER JOIN public.blocks ON (
+										uncle_cids.mh_key = blocks.key
+										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)
+										INNER JOIN public.blocks ON (
+											transaction_cids.mh_key = blocks.key
+											AND transaction_cids.block_number = blocks.block_number
+										)
 									WHERE tx_hash = ANY($1::VARCHAR(66)[])`
 	RetrieveTransactionsByBlockHashPgStr = `SELECT transaction_cids.cid, data
 											FROM eth.transaction_cids
-												INNER JOIN eth.header_cids ON (transaction_cids.header_id = header_cids.block_hash)
+												INNER JOIN eth.header_cids ON (
-												INNER JOIN public.blocks ON (transaction_cids.mh_key = blocks.key)
+													transaction_cids.header_id = header_cids.block_hash
+													AND transaction_cids.block_number = header_cids.block_number
+												)
+												INNER JOIN public.blocks ON (
+													transaction_cids.mh_key = blocks.key
+													AND transaction_cids.block_number = blocks.block_number
+												)
 											WHERE block_hash = $1
 											ORDER BY eth.transaction_cids.index ASC`
 	RetrieveTransactionsByBlockNumberPgStr = `SELECT transaction_cids.cid, data
 											FROM eth.transaction_cids
-												INNER JOIN eth.header_cids ON (transaction_cids.header_id = header_cids.block_hash)
+												INNER JOIN eth.header_cids ON (
-												INNER JOIN public.blocks ON (transaction_cids.mh_key = blocks.key)
+													transaction_cids.header_id = header_cids.block_hash
-											WHERE block_number = $1
+													AND transaction_cids.block_number = header_cids.block_number
+												)
+												INNER JOIN public.blocks ON (
+													transaction_cids.mh_key = blocks.key
+													AND transaction_cids.block_number = blocks.block_number
+												)
+											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)
+										INNER JOIN public.blocks ON (
+											transaction_cids.mh_key = blocks.key
+											AND transaction_cids.block_number = blocks.block_number
+										)
 									WHERE tx_hash = $1`
 	RetrieveReceiptsByTxHashesPgStr = `SELECT receipt_cids.leaf_cid, data
 									FROM eth.receipt_cids
-										INNER JOIN eth.transaction_cids ON (receipt_cids.tx_id = transaction_cids.tx_hash)
+										INNER JOIN eth.transaction_cids ON (
-										INNER JOIN public.blocks ON (receipt_cids.leaf_mh_key = blocks.key)
+											receipt_cids.tx_id = transaction_cids.tx_hash
-									WHERE tx_hash = ANY($1::VARCHAR(66)[])`
+											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)[])
+									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)
+											INNER JOIN eth.transaction_cids ON (
-											INNER JOIN eth.header_cids ON (transaction_cids.header_id = header_cids.block_hash)
+												receipt_cids.tx_id = transaction_cids.tx_hash
-											INNER JOIN public.blocks ON (receipt_cids.leaf_mh_key = blocks.key)
+												AND receipt_cids.header_id = transaction_cids.header_id
+												AND receipt_cids.block_number = transaction_cids.block_number
+											)
+											INNER JOIN eth.header_cids ON (
+												transaction_cids.header_id = header_cids.block_hash
+												AND transaction_cids.block_number = header_cids.block_number
+											)
+											INNER JOIN public.blocks ON (
+												receipt_cids.leaf_mh_key = blocks.key
+												AND receipt_cids.block_number = blocks.block_number
+											)
 										WHERE block_hash = $1
 										ORDER BY eth.transaction_cids.index ASC`
 	RetrieveReceiptsByBlockNumberPgStr = `SELECT receipt_cids.leaf_cid, data
 										FROM eth.receipt_cids
-											INNER JOIN eth.transaction_cids ON (receipt_cids.tx_id = transaction_cids.tx_hash)
+											INNER JOIN eth.transaction_cids ON (
-											INNER JOIN eth.header_cids ON (transaction_cids.header_id = header_cids.block_hash)
+												receipt_cids.tx_id = transaction_cids.tx_hash
-											INNER JOIN public.blocks ON (receipt_cids.leaf_mh_key = blocks.key)
+												AND receipt_cids.header_id = transaction_cids.header_id
-										WHERE block_number = $1
+												AND receipt_cids.block_number = transaction_cids.block_number
+											)
+											INNER JOIN eth.header_cids ON (
+												transaction_cids.header_id = header_cids.block_hash
+												AND transaction_cids.block_number = header_cids.block_number
+											)
+											INNER JOIN public.blocks ON (
+												receipt_cids.leaf_mh_key = blocks.key
+												AND receipt_cids.block_number = blocks.block_number
+											)
+										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)
+										INNER JOIN eth.transaction_cids ON (
-										INNER JOIN public.blocks ON (receipt_cids.leaf_mh_key = blocks.key)
+											receipt_cids.tx_id = transaction_cids.tx_hash
-									WHERE tx_hash = $1`
+											AND receipt_cids.header_id = transaction_cids.header_id
-	RetrieveAccountByLeafKeyAndBlockHashPgStr = `SELECT state_cids.cid, data, state_cids.node_type
+											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
+									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)
+													INNER JOIN eth.header_cids ON (
-													INNER JOIN public.blocks ON (state_cids.mh_key = blocks.key)
+														state_cids.header_id = header_cids.block_hash
+														AND state_cids.block_number = header_cids.block_number
+													)
 												WHERE state_leaf_key = $1
-												AND block_number <= (SELECT block_number
+												AND header_cids.block_number <= (SELECT block_number
 																	FROM eth.header_cids
 																	WHERE block_hash = $2)
-												AND header_cids.block_hash = (SELECT canonical_header_hash(block_number))
+												AND header_cids.block_hash = (SELECT canonical_header_hash(header_cids.block_number))
-												ORDER BY block_number DESC
+												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)
+														INNER JOIN eth.header_cids ON (
-														INNER JOIN public.blocks ON (state_cids.mh_key = blocks.key)
+															state_cids.header_id = header_cids.block_hash
+															AND state_cids.block_number = header_cids.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
 																			AND storage_cids.state_path = state_cids.state_path
+																			AND storage_cids.block_number = state_cids.block_number
+																		)
+																		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 eth.header_cids ON (state_cids.header_id = header_cids.block_hash)
-																		INNER JOIN public.blocks ON (storage_cids.mh_key = blocks.key)
 																	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
 																			AND storage_cids.state_path = state_cids.state_path
+																			AND storage_cids.block_number = state_cids.block_number
+																		)
+																		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 eth.header_cids ON (state_cids.header_id = header_cids.block_hash)
-																		INNER JOIN public.blocks ON (storage_cids.mh_key = blocks.key)
 																	WHERE state_leaf_key = $1
 																	AND storage_leaf_key = $2
-																	AND block_number <= (SELECT block_number
+																	AND header_cids.block_number <= (SELECT block_number
 																						FROM eth.header_cids
 																						WHERE block_hash = $3)
-																	AND header_cids.block_hash = (SELECT canonical_header_hash(block_number))
+																	AND header_cids.block_hash = (SELECT canonical_header_hash(header_cids.block_number))
-																	ORDER BY block_number DESC
+																	ORDER BY header_cids.block_number DESC
 																	LIMIT 1`
 )
 
@@ -218,9 +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
@@ -243,9 +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))
@@ -298,9 +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))
@@ -375,9 +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))
@@ -434,6 +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"`
@@ -452,6 +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())
@@ -475,6 +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())
@@ -496,6 +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())
@@ -519,6 +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.go

@@ -17,67 +17,9 @@
 package eth
 
 import (
-	"context"
-	"os"
-	"strconv"
-
-	"github.com/ethereum/go-ethereum/common"
-	"github.com/ethereum/go-ethereum/params"
-	"github.com/ethereum/go-ethereum/statediff/indexer"
-	"github.com/ethereum/go-ethereum/statediff/indexer/database/sql/postgres"
-	"github.com/ethereum/go-ethereum/statediff/indexer/interfaces"
 	"github.com/ethereum/go-ethereum/statediff/indexer/models"
-	"github.com/ethereum/go-ethereum/statediff/indexer/node"
-	"github.com/jmoiron/sqlx"
-	. "github.com/onsi/gomega"
-	"github.com/vulcanize/ipld-eth-server/pkg/shared"
 )
 
-func SetupTestDB() *sqlx.DB {
-	config := getTestDBConfig()
-
-	db, err := shared.NewDB(config.DbConnectionString(), config)
-	Expect(err).NotTo(HaveOccurred())
-
-	return db
-}
-
-// TearDownTestDB is used to tear down the watcher dbs after tests
-func TearDownTestDB(db *sqlx.DB) {
-	tx, err := db.Beginx()
-	Expect(err).NotTo(HaveOccurred())
-	_, err = tx.Exec(`DELETE FROM eth.transaction_cids`)
-	Expect(err).NotTo(HaveOccurred())
-	_, err = tx.Exec(`DELETE FROM eth.receipt_cids`)
-	Expect(err).NotTo(HaveOccurred())
-	_, err = tx.Exec(`DELETE FROM eth.state_cids`)
-	Expect(err).NotTo(HaveOccurred())
-	_, err = tx.Exec(`DELETE FROM eth.storage_cids`)
-	Expect(err).NotTo(HaveOccurred())
-	_, err = tx.Exec(`DELETE FROM blocks`)
-	Expect(err).NotTo(HaveOccurred())
-	_, err = tx.Exec(`DELETE FROM eth.log_cids`)
-	Expect(err).NotTo(HaveOccurred())
-
-	err = tx.Commit()
-	Expect(err).NotTo(HaveOccurred())
-}
-
-func SetupTestStateDiffIndexer(ctx context.Context, chainConfig *params.ChainConfig, genHash common.Hash) interfaces.StateDiffIndexer {
-	testInfo := node.Info{
-		GenesisBlock: genHash.String(),
-		NetworkID:    "1",
-		ID:           "1",
-		ClientName:   "geth",
-		ChainID:      params.TestChainConfig.ChainID.Uint64(),
-	}
-
-	stateDiffIndexer, err := indexer.NewStateDiffIndexer(ctx, chainConfig, testInfo, getTestDBConfig())
-	Expect(err).NotTo(HaveOccurred())
-
-	return stateDiffIndexer
-}
-
 // TxModelsContainsCID used to check if a list of TxModels contains a specific cid string
 func TxModelsContainsCID(txs []models.TxModel, cid string) bool {
 	for _, tx := range txs {
@@ -97,15 +39,3 @@ func ReceiptModelsContainsCID(rcts []models.ReceiptModel, cid string) bool {
 	}
 	return false
 }
-
-func getTestDBConfig() postgres.Config {
-	port, _ := strconv.Atoi(os.Getenv("DATABASE_PORT"))
-	return postgres.Config{
-		Hostname:     os.Getenv("DATABASE_HOSTNAME"),
-		DatabaseName: os.Getenv("DATABASE_NAME"),
-		Username:     os.Getenv("DATABASE_USER"),
-		Password:     os.Getenv("DATABASE_PASSWORD"),
-		Port:         port,
-		Driver:       postgres.PGX,
-	}
-}

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/pkg/eth"
+	"github.com/cerc-io/ipld-eth-server/v4/pkg/eth"
 )
 
 // Test variables
@@ -231,6 +231,7 @@ var (
 	}
 	MockTrxMetaPostPublsh = []models.TxModel{
 		{
+			BlockNumber: "1",
 			CID:         Trx1CID.String(), // This is empty until we go to publish to ipfs
 			MhKey:       Trx1MhKey,
 			Src:         SenderAddr.Hex(),
@@ -240,6 +241,7 @@ var (
 			Data:        []byte{},
 		},
 		{
+			BlockNumber: "1",
 			CID:         Trx2CID.String(),
 			MhKey:       Trx2MhKey,
 			Src:         SenderAddr.Hex(),
@@ -249,6 +251,7 @@ var (
 			Data:        []byte{},
 		},
 		{
+			BlockNumber: "1",
 			CID:         Trx3CID.String(),
 			MhKey:       Trx3MhKey,
 			Src:         SenderAddr.Hex(),
@@ -258,6 +261,7 @@ var (
 			Data:        MockContractByteCode,
 		},
 		{
+			BlockNumber: "1",
 			CID:         Trx4CID.String(),
 			MhKey:       Trx4MhKey,
 			Src:         SenderAddr.Hex(),
@@ -296,24 +300,32 @@ var (
 
 	MockRctMetaPostPublish = []models.ReceiptModel{
 		{
+			BlockNumber:  "1",
+			HeaderID:     MockBlock.Hash().String(),
 			LeafCID:      Rct1CID.String(),
 			LeafMhKey:    Rct1MhKey,
 			Contract:     "",
 			ContractHash: "",
 		},
 		{
+			BlockNumber:  "1",
+			HeaderID:     MockBlock.Hash().String(),
 			LeafCID:      Rct2CID.String(),
 			LeafMhKey:    Rct2MhKey,
 			Contract:     "",
 			ContractHash: "",
 		},
 		{
+			BlockNumber:  "1",
+			HeaderID:     MockBlock.Hash().String(),
 			LeafCID:      Rct3CID.String(),
 			LeafMhKey:    Rct3MhKey,
 			Contract:     ContractAddress.String(),
 			ContractHash: ContractHash,
 		},
 		{
+			BlockNumber:  "1",
+			HeaderID:     MockBlock.Hash().String(),
 			LeafCID:      Rct4CID.String(),
 			LeafMhKey:    Rct4MhKey,
 			Contract:     "",
@@ -326,7 +338,7 @@ var (
 	StorageLeafKey     = crypto.Keccak256Hash(storageLocation[:]).Bytes()
 	StorageValue       = crypto.Keccak256([]byte{1, 2, 3, 4, 5})
 	StoragePartialPath = common.Hex2Bytes("20290decd9548b62a8d60345a988386fc84ba6bc95484008f6362f93160ef3e563")
-	StorageLeafNode, _ = rlp.EncodeToBytes([]interface{}{
+	StorageLeafNode, _ = rlp.EncodeToBytes(&[]interface{}{
 		StoragePartialPath,
 		StorageValue,
 	})
@@ -336,14 +348,14 @@ var (
 	ContractCodeHash   = crypto.Keccak256Hash(MockContractByteCode)
 	contractPath       = common.Bytes2Hex([]byte{'\x06'})
 	ContractLeafKey    = testhelpers.AddressToLeafKey(ContractAddress)
-	ContractAccount, _ = rlp.EncodeToBytes(types.StateAccount{
+	ContractAccount, _ = rlp.EncodeToBytes(&types.StateAccount{
 		Nonce:    nonce1,
 		Balance:  big.NewInt(0),
 		CodeHash: ContractCodeHash.Bytes(),
 		Root:     common.HexToHash(ContractRoot),
 	})
 	ContractPartialPath = common.Hex2Bytes("3114658a74d9cc9f7acf2c5cd696c3494d7c344d78bfec3add0d91ec4e8d1c45")
-	ContractLeafNode, _ = rlp.EncodeToBytes([]interface{}{
+	ContractLeafNode, _ = rlp.EncodeToBytes(&[]interface{}{
 		ContractPartialPath,
 		ContractAccount,
 	})
@@ -354,14 +366,14 @@ var (
 	AccountCodeHash = common.HexToHash("0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470")
 	AccountAddresss = common.HexToAddress("0x0D3ab14BBaD3D99F4203bd7a11aCB94882050E7e")
 	AccountLeafKey  = testhelpers.Account2LeafKey
-	Account, _      = rlp.EncodeToBytes(types.StateAccount{
+	Account, _      = rlp.EncodeToBytes(&types.StateAccount{
 		Nonce:    nonce0,
 		Balance:  AccountBalance,
 		CodeHash: AccountCodeHash.Bytes(),
 		Root:     common.HexToHash(AccountRoot),
 	})
 	AccountPartialPath = common.Hex2Bytes("3957f3e2f04a0764c3a0491b175f69926da61efbcc8f61fa1455fd2d2b4cdd45")
-	AccountLeafNode, _ = rlp.EncodeToBytes([]interface{}{
+	AccountLeafNode, _ = rlp.EncodeToBytes(&[]interface{}{
 		AccountPartialPath,
 		Account,
 	})
@@ -391,6 +403,7 @@ var (
 	}
 	MockStateMetaPostPublish = []models.StateNodeModel{
 		{
+			BlockNumber: "1",
 			CID:         State1CID.String(),
 			MhKey:       State1MhKey,
 			Path:        []byte{'\x06'},
@@ -398,6 +411,7 @@ var (
 			StateKey:    common.BytesToHash(ContractLeafKey).Hex(),
 		},
 		{
+			BlockNumber: "1",
 			CID:         State2CID.String(),
 			MhKey:       State2MhKey,
 			Path:        []byte{'\x0c'},
@@ -461,6 +475,7 @@ var (
 		StateNodes:   MockStateMetaPostPublish,
 		StorageNodes: []models.StorageNodeWithStateKeyModel{
 			{
+				BlockNumber: "1",
 				Path:        []byte{},
 				CID:         StorageCID.String(),
 				MhKey:       StorageMhKey,
@@ -483,41 +498,50 @@ var (
 	MockIPLDs = eth.IPLDs{
 		BlockNumber: new(big.Int).Set(BlockNumber),
 		Header: models.IPLDModel{
+			BlockNumber: BlockNumber.String(),
 			Data:        HeaderIPLD.RawData(),
 			Key:         HeaderIPLD.Cid().String(),
 		},
 		Transactions: []models.IPLDModel{
 			{
+				BlockNumber: BlockNumber.String(),
 				Data:        Trx1IPLD.RawData(),
 				Key:         Trx1IPLD.Cid().String(),
 			},
 			{
+				BlockNumber: BlockNumber.String(),
 				Data:        Trx2IPLD.RawData(),
 				Key:         Trx2IPLD.Cid().String(),
 			},
 			{
+				BlockNumber: BlockNumber.String(),
 				Data:        Trx3IPLD.RawData(),
 				Key:         Trx3IPLD.Cid().String(),
 			},
 			{
+				BlockNumber: BlockNumber.String(),
 				Data:        Trx4IPLD.RawData(),
 				Key:         Trx4IPLD.Cid().String(),
 			},
 		},
 		Receipts: []models.IPLDModel{
 			{
+				BlockNumber: BlockNumber.String(),
 				Data:        Rct1IPLD,
 				Key:         Rct1CID.String(),
 			},
 			{
+				BlockNumber: BlockNumber.String(),
 				Data:        Rct2IPLD,
 				Key:         Rct2CID.String(),
 			},
 			{
+				BlockNumber: BlockNumber.String(),
 				Data:        Rct3IPLD,
 				Key:         Rct3CID.String(),
 			},
 			{
+				BlockNumber: BlockNumber.String(),
 				Data:        Rct4IPLD,
 				Key:         Rct4CID.String(),
 			},
@@ -527,6 +551,7 @@ var (
 				StateLeafKey: common.BytesToHash(ContractLeafKey),
 				Type:         sdtypes.Leaf,
 				IPLD: models.IPLDModel{
+					BlockNumber: BlockNumber.String(),
 					Data:        State1IPLD.RawData(),
 					Key:         State1IPLD.Cid().String(),
 				},
@@ -536,6 +561,7 @@ var (
 				StateLeafKey: common.BytesToHash(AccountLeafKey),
 				Type:         sdtypes.Leaf,
 				IPLD: models.IPLDModel{
+					BlockNumber: BlockNumber.String(),
 					Data:        State2IPLD.RawData(),
 					Key:         State2IPLD.Cid().String(),
 				},
@@ -548,6 +574,7 @@ var (
 				StorageLeafKey: common.BytesToHash(StorageLeafKey),
 				Type:           sdtypes.Leaf,
 				IPLD: models.IPLDModel{
+					BlockNumber: BlockNumber.String(),
 					Data:        StorageIPLD.RawData(),
 					Key:         StorageIPLD.Cid().String(),
 				},
@@ -567,7 +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/client.go

@@ -11,7 +11,7 @@ import (
 )
 
 type StorageResponse struct {
-	Cid       string        `json:"cid"`
+	CID       string        `json:"cid"`
 	Value     common.Hash   `json:"value"`
 	IpldBlock hexutil.Bytes `json:"ipldBlock"`
 }
@@ -23,12 +23,12 @@ type GetStorageAt struct {
 type LogResponse struct {
 	Topics      []common.Hash       `json:"topics"`
 	Data        hexutil.Bytes       `json:"data"`
-	Transaction TransactionResp `json:"transaction"`
+	Transaction TransactionResponse `json:"transaction"`
 	ReceiptCID  string              `json:"receiptCID"`
 	Status      int32               `json:"status"`
 }
 
-type TransactionResp struct {
+type TransactionResponse struct {
 	Hash common.Hash `json:"hash"`
 }
 
@@ -36,6 +36,52 @@ type GetLogs struct {
 	Responses []LogResponse `json:"getLogs"`
 }
 
+type IPFSBlockResponse struct {
+	Key  string `json:"key"`
+	Data string `json:"data"`
+}
+
+type EthTransactionCIDResponse struct {
+	CID          string            `json:"cid"`
+	TxHash       string            `json:"txHash"`
+	Index        int32             `json:"index"`
+	Src          string            `json:"src"`
+	Dst          string            `json:"dst"`
+	BlockByMhKey IPFSBlockResponse `json:"blockByMhKey"`
+}
+
+type EthTransactionCIDByTxHash struct {
+	Response EthTransactionCIDResponse `json:"ethTransactionCidByTxHash"`
+}
+
+type EthTransactionCIDsByHeaderIdResponse struct {
+	Nodes []EthTransactionCIDResponse `json:"nodes"`
+}
+
+type EthHeaderCIDResponse struct {
+	CID                          string                               `json:"cid"`
+	BlockNumber                  BigInt                               `json:"blockNumber"`
+	BlockHash                    string                               `json:"blockHash"`
+	ParentHash                   string                               `json:"parentHash"`
+	Timestamp                    BigInt                               `json:"timestamp"`
+	StateRoot                    string                               `json:"stateRoot"`
+	Td                           BigInt                               `json:"td"`
+	TxRoot                       string                               `json:"txRoot"`
+	ReceiptRoot                  string                               `json:"receiptRoot"`
+	UncleRoot                    string                               `json:"uncleRoot"`
+	Bloom                        string                               `json:"bloom"`
+	EthTransactionCIDsByHeaderId EthTransactionCIDsByHeaderIdResponse `json:"ethTransactionCidsByHeaderId"`
+	BlockByMhKey                 IPFSBlockResponse                    `json:"blockByMhKey"`
+}
+
+type AllEthHeaderCIDsResponse struct {
+	Nodes []EthHeaderCIDResponse `json:"nodes"`
+}
+
+type AllEthHeaderCIDs struct {
+	Response AllEthHeaderCIDsResponse `json:"allEthHeaderCids"`
+}
+
 type Client struct {
 	client *gqlclient.Client
 }
@@ -117,3 +163,105 @@ func (c *Client) GetStorageAt(ctx context.Context, hash common.Hash, address com
 	}
 	return &storageAt.Response, nil
 }
+
+func (c *Client) AllEthHeaderCIDs(ctx context.Context, condition EthHeaderCIDCondition) (*AllEthHeaderCIDsResponse, error) {
+	var params string
+	if condition.BlockHash != nil {
+		params = fmt.Sprintf(`blockHash: "%s"`, *condition.BlockHash)
+	}
+	if condition.BlockNumber != nil {
+		params += fmt.Sprintf(`blockNumber: "%s"`, condition.BlockNumber.String())
+	}
+
+	getHeadersQuery := fmt.Sprintf(`
+		query{
+			allEthHeaderCids(condition: { %s }) {
+				nodes {
+					cid
+					blockNumber
+					blockHash
+					parentHash
+					timestamp
+					stateRoot
+					td
+					txRoot
+					receiptRoot
+					uncleRoot
+					bloom
+					blockByMhKey {
+						key
+						data
+					}
+					ethTransactionCidsByHeaderId {
+						nodes {
+							cid
+							txHash
+							index
+							src
+							dst
+						}
+					}
+				}
+			}
+		}
+	`, params)
+
+	req := gqlclient.NewRequest(getHeadersQuery)
+	req.Header.Set("Cache-Control", "no-cache")
+
+	var respData map[string]interface{}
+	err := c.client.Run(ctx, req, &respData)
+	if err != nil {
+		return nil, err
+	}
+
+	jsonStr, err := json.Marshal(respData)
+	if err != nil {
+		return nil, err
+	}
+
+	var allEthHeaderCIDs AllEthHeaderCIDs
+	err = json.Unmarshal(jsonStr, &allEthHeaderCIDs)
+	if err != nil {
+		return nil, err
+	}
+	return &allEthHeaderCIDs.Response, nil
+}
+
+func (c *Client) EthTransactionCIDByTxHash(ctx context.Context, txHash string) (*EthTransactionCIDResponse, error) {
+	getTxQuery := fmt.Sprintf(`
+		query{
+			ethTransactionCidByTxHash(txHash: "%s") {
+				cid
+				txHash
+				index
+				src
+				dst
+				blockByMhKey {
+					data
+				}
+			}
+		}
+	`, txHash)
+
+	req := gqlclient.NewRequest(getTxQuery)
+	req.Header.Set("Cache-Control", "no-cache")
+
+	var respData map[string]interface{}
+	err := c.client.Run(ctx, req, &respData)
+	if err != nil {
+		return nil, err
+	}
+
+	jsonStr, err := json.Marshal(respData)
+	if err != nil {
+		return nil, err
+	}
+
+	var ethTxCID EthTransactionCIDByTxHash
+	err = json.Unmarshal(jsonStr, &ethTxCID)
+	if err != nil {
+		return nil, err
+	}
+	return &ethTxCID.Response, nil
+}

pkg/graphql/graphql.go

@@ -22,6 +22,8 @@ import (
 	"context"
 	"database/sql"
 	"errors"
+	"fmt"
+	"strings"
 	"time"
 
 	"github.com/ethereum/go-ethereum/common"
@@ -33,7 +35,8 @@ import (
 	"github.com/ethereum/go-ethereum/rlp"
 	"github.com/ethereum/go-ethereum/rpc"
 
-	"github.com/vulcanize/ipld-eth-server/pkg/eth"
+	"github.com/cerc-io/ipld-eth-server/v4/pkg/eth"
+	"github.com/cerc-io/ipld-eth-server/v4/pkg/shared"
 )
 
 var (
@@ -774,8 +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)
 }
@@ -835,7 +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
 	}
@@ -977,7 +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)
 }
 
@@ -1017,7 +1021,7 @@ func (r *Resolver) GetStorageAt(ctx context.Context, args struct {
 		return nil, err
 	}
 
-	if bytes.Compare(rlpValue, eth.EmptyNodeValue) == 0 {
+	if bytes.Equal(rlpValue, eth.EmptyNodeValue) {
 		return &StorageResult{value: eth.EmptyNodeValue, cid: cid, ipldBlock: ipldBlock}, nil
 	}
 
@@ -1122,3 +1126,246 @@ func decomposeGQLLogs(logCIDs []eth.LogResult) []logsCID {
 
 	return logs
 }
+
+type EthTransactionCID struct {
+	cid       string
+	txHash    string
+	index     int32
+	src       string
+	dst       string
+	ipfsBlock IPFSBlock
+}
+
+func (t EthTransactionCID) Cid(ctx context.Context) string {
+	return t.cid
+}
+
+func (t EthTransactionCID) TxHash(ctx context.Context) string {
+	return t.txHash
+}
+
+func (t EthTransactionCID) Index(ctx context.Context) int32 {
+	return t.index
+}
+
+func (t EthTransactionCID) Src(ctx context.Context) string {
+	return t.src
+}
+
+func (t EthTransactionCID) Dst(ctx context.Context) string {
+	return t.dst
+}
+
+func (t EthTransactionCID) BlockByMhKey(ctx context.Context) IPFSBlock {
+	return t.ipfsBlock
+}
+
+type EthTransactionCIDsConnection struct {
+	nodes []*EthTransactionCID
+}
+
+func (transactionCIDResult EthTransactionCIDsConnection) Nodes(ctx context.Context) []*EthTransactionCID {
+	return transactionCIDResult.nodes
+}
+
+type IPFSBlock struct {
+	key  string
+	data string
+}
+
+func (b IPFSBlock) Key(ctx context.Context) string {
+	return b.key
+}
+
+func (b IPFSBlock) Data(ctx context.Context) string {
+	return b.data
+}
+
+type EthHeaderCID struct {
+	cid          string
+	blockNumber  BigInt
+	blockHash    string
+	parentHash   string
+	timestamp    BigInt
+	stateRoot    string
+	td           BigInt
+	txRoot       string
+	receiptRoot  string
+	uncleRoot    string
+	bloom        string
+	transactions []*EthTransactionCID
+	ipfsBlock    IPFSBlock
+}
+
+func (h EthHeaderCID) Cid(ctx context.Context) string {
+	return h.cid
+}
+
+func (h EthHeaderCID) BlockNumber(ctx context.Context) BigInt {
+	return h.blockNumber
+}
+
+func (h EthHeaderCID) BlockHash(ctx context.Context) string {
+	return h.blockHash
+}
+
+func (h EthHeaderCID) ParentHash(ctx context.Context) string {
+	return h.parentHash
+}
+
+func (h EthHeaderCID) Timestamp(ctx context.Context) BigInt {
+	return h.timestamp
+}
+
+func (h EthHeaderCID) StateRoot(ctx context.Context) string {
+	return h.stateRoot
+}
+
+func (h EthHeaderCID) Td(ctx context.Context) BigInt {
+	return h.td
+}
+
+func (h EthHeaderCID) TxRoot(ctx context.Context) string {
+	return h.txRoot
+}
+
+func (h EthHeaderCID) ReceiptRoot(ctx context.Context) string {
+	return h.receiptRoot
+}
+
+func (h EthHeaderCID) UncleRoot(ctx context.Context) string {
+	return h.uncleRoot
+}
+
+func (h EthHeaderCID) Bloom(ctx context.Context) string {
+	return h.bloom
+}
+
+func (h EthHeaderCID) EthTransactionCidsByHeaderId(ctx context.Context) EthTransactionCIDsConnection {
+	return EthTransactionCIDsConnection{nodes: h.transactions}
+}
+
+func (h EthHeaderCID) BlockByMhKey(ctx context.Context) IPFSBlock {
+	return h.ipfsBlock
+}
+
+type EthHeaderCIDsConnection struct {
+	nodes []*EthHeaderCID
+}
+
+func (headerCIDResult EthHeaderCIDsConnection) Nodes(ctx context.Context) []*EthHeaderCID {
+	return headerCIDResult.nodes
+}
+
+type EthHeaderCIDCondition struct {
+	BlockNumber *BigInt
+	BlockHash   *string
+}
+
+func (r *Resolver) AllEthHeaderCids(ctx context.Context, args struct {
+	Condition *EthHeaderCIDCondition
+}) (*EthHeaderCIDsConnection, error) {
+	var headerCIDs []eth.HeaderCIDRecord
+	var err error
+	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 {
+			return nil, err
+		}
+	} else {
+		return nil, fmt.Errorf("provide block number or block hash")
+	}
+
+	// Begin tx
+	tx, err := r.backend.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()
+		}
+	}()
+
+	var resultNodes []*EthHeaderCID
+	for _, headerCID := range headerCIDs {
+		var blockNumber BigInt
+		blockNumber.UnmarshalText([]byte(headerCID.BlockNumber))
+
+		var timestamp BigInt
+		timestamp.SetUint64(headerCID.Timestamp)
+
+		var td BigInt
+		td.UnmarshalText([]byte(headerCID.TotalDifficulty))
+
+		ethHeaderCIDNode := EthHeaderCID{
+			cid:         headerCID.CID,
+			blockNumber: blockNumber,
+			blockHash:   headerCID.BlockHash,
+			parentHash:  headerCID.ParentHash,
+			timestamp:   timestamp,
+			stateRoot:   headerCID.StateRoot,
+			td:          td,
+			txRoot:      headerCID.TxRoot,
+			receiptRoot: headerCID.RctRoot,
+			uncleRoot:   headerCID.UncleRoot,
+			bloom:       Bytes(headerCID.Bloom).String(),
+			ipfsBlock: IPFSBlock{
+				key:  headerCID.IPLD.Key,
+				data: Bytes(headerCID.IPLD.Data).String(),
+			},
+		}
+
+		for _, txCID := range headerCID.TransactionCIDs {
+			ethHeaderCIDNode.transactions = append(ethHeaderCIDNode.transactions, &EthTransactionCID{
+				cid:    txCID.CID,
+				txHash: txCID.TxHash,
+				index:  int32(txCID.Index),
+				src:    txCID.Src,
+				dst:    txCID.Dst,
+			})
+		}
+
+		resultNodes = append(resultNodes, &ethHeaderCIDNode)
+	}
+
+	return &EthHeaderCIDsConnection{
+		nodes: resultNodes,
+	}, nil
+}
+
+func (r *Resolver) EthTransactionCidByTxHash(ctx context.Context, args struct {
+	TxHash string
+}) (*EthTransactionCID, error) {
+	txCID, err := r.backend.Retriever.RetrieveTxCIDByHash(args.TxHash)
+
+	if err != nil {
+		return nil, err
+	}
+
+	return &EthTransactionCID{
+		cid:    txCID.CID,
+		txHash: txCID.TxHash,
+		index:  int32(txCID.Index),
+		src:    txCID.Src,
+		dst:    txCID.Dst,
+		ipfsBlock: IPFSBlock{
+			key:  txCID.IPLD.Key,
+			data: Bytes(txCID.IPLD.Data).String(),
+		},
+	}, nil
+}

pkg/graphql/graphql_test.go

@@ -20,6 +20,7 @@ import (
 	"context"
 	"fmt"
 	"math/big"
+	"strconv"
 
 	"github.com/ethereum/go-ethereum/common"
 	"github.com/ethereum/go-ethereum/common/hexutil"
@@ -35,10 +36,11 @@ import (
 	. "github.com/onsi/ginkgo"
 	. "github.com/onsi/gomega"
 
-	"github.com/vulcanize/ipld-eth-server/pkg/eth"
+	"github.com/cerc-io/ipld-eth-server/v4/pkg/eth"
-	"github.com/vulcanize/ipld-eth-server/pkg/eth/test_helpers"
+	"github.com/cerc-io/ipld-eth-server/v4/pkg/eth/test_helpers"
-	"github.com/vulcanize/ipld-eth-server/pkg/graphql"
+	"github.com/cerc-io/ipld-eth-server/v4/pkg/graphql"
-	ethServerShared "github.com/vulcanize/ipld-eth-server/pkg/shared"
+	"github.com/cerc-io/ipld-eth-server/v4/pkg/shared"
+	ethServerShared "github.com/cerc-io/ipld-eth-server/v4/pkg/shared"
 )
 
 var _ = Describe("GraphQL", func() {
@@ -65,8 +67,8 @@ var _ = Describe("GraphQL", func() {
 
 	It("test init", func() {
 		var err error
-		db = eth.SetupTestDB()
+		db = shared.SetupDB()
-		transformer := eth.SetupTestStateDiffIndexer(ctx, chainConfig, test_helpers.Genesis.Hash())
+		transformer := shared.SetupTestStateDiffIndexer(ctx, chainConfig, test_helpers.Genesis.Hash())
 
 		backend, err = eth.NewEthBackend(db, &eth.Config{
 			ChainConfig: chainConfig,
@@ -130,7 +132,7 @@ var _ = Describe("GraphQL", func() {
 		}
 
 		// Insert some non-canonical data into the database so that we test our ability to discern canonicity
-		indexAndPublisher := eth.SetupTestStateDiffIndexer(ctx, chainConfig, test_helpers.Genesis.Hash())
+		indexAndPublisher := shared.SetupTestStateDiffIndexer(ctx, chainConfig, test_helpers.Genesis.Hash())
 
 		blockHash = test_helpers.MockBlock.Hash()
 		contractAddress = test_helpers.ContractAddr
@@ -166,7 +168,7 @@ var _ = Describe("GraphQL", func() {
 	defer It("test teardown", func() {
 		err := graphQLServer.Stop()
 		Expect(err).ToNot(HaveOccurred())
-		eth.TearDownTestDB(db)
+		shared.TearDownDB(db)
 		chain.Stop()
 	})
 
@@ -179,7 +181,7 @@ var _ = Describe("GraphQL", func() {
 				{
 					Topics:      test_helpers.MockLog1.Topics,
 					Data:        hexutil.Bytes(test_helpers.MockLog1.Data),
-					Transaction: graphql.TransactionResp{Hash: test_helpers.MockTransactions[0].Hash()},
+					Transaction: graphql.TransactionResponse{Hash: test_helpers.MockTransactions[0].Hash()},
 					ReceiptCID:  test_helpers.Rct1CID.String(),
 					Status:      int32(test_helpers.MockReceipts[0].Status),
 				},
@@ -196,7 +198,7 @@ var _ = Describe("GraphQL", func() {
 				{
 					Topics:      test_helpers.MockLog6.Topics,
 					Data:        hexutil.Bytes(test_helpers.MockLog6.Data),
-					Transaction: graphql.TransactionResp{Hash: test_helpers.MockTransactions[3].Hash()},
+					Transaction: graphql.TransactionResponse{Hash: test_helpers.MockTransactions[3].Hash()},
 					ReceiptCID:  test_helpers.Rct4CID.String(),
 					Status:      int32(test_helpers.MockReceipts[3].Status),
 				},
@@ -249,4 +251,84 @@ var _ = Describe("GraphQL", func() {
 			Expect(storageRes.Value).To(Equal(common.Hash{}))
 		})
 	})
+
+	Describe("allEthHeaderCids", func() {
+		It("Retrieves header_cids that matches the provided blockNumber", func() {
+			allEthHeaderCIDsResp, err := client.AllEthHeaderCIDs(ctx, graphql.EthHeaderCIDCondition{BlockNumber: new(graphql.BigInt).SetUint64(2)})
+			Expect(err).ToNot(HaveOccurred())
+
+			headerCIDs, err := backend.Retriever.RetrieveHeaderAndTxCIDsByBlockNumber(2)
+			Expect(err).ToNot(HaveOccurred())
+
+			for idx, headerCID := range headerCIDs {
+				ethHeaderCID := allEthHeaderCIDsResp.Nodes[idx]
+
+				compareEthHeaderCID(ethHeaderCID, headerCID)
+			}
+		})
+
+		It("Retrieves header_cids that matches the provided blockHash", func() {
+			blockHash := blocks[1].Hash().String()
+			allEthHeaderCIDsResp, err := client.AllEthHeaderCIDs(ctx, graphql.EthHeaderCIDCondition{BlockHash: &blockHash})
+			Expect(err).ToNot(HaveOccurred())
+
+			headerCID, err := backend.Retriever.RetrieveHeaderAndTxCIDsByBlockHash(blocks[1].Hash())
+			Expect(err).ToNot(HaveOccurred())
+
+			Expect(len(allEthHeaderCIDsResp.Nodes)).To(Equal(1))
+			ethHeaderCID := allEthHeaderCIDsResp.Nodes[0]
+			compareEthHeaderCID(ethHeaderCID, headerCID)
+		})
+	})
+
+	Describe("ethTransactionCidByTxHash", func() {
+		It("Retrieves tx_cid that matches the provided txHash", func() {
+			txHash := blocks[2].Transactions()[0].Hash().String()
+			ethTransactionCIDResp, err := client.EthTransactionCIDByTxHash(ctx, txHash)
+			Expect(err).ToNot(HaveOccurred())
+
+			txCID, err := backend.Retriever.RetrieveTxCIDByHash(txHash)
+			Expect(err).ToNot(HaveOccurred())
+
+			compareEthTxCID(*ethTransactionCIDResp, txCID)
+
+			Expect(ethTransactionCIDResp.BlockByMhKey.Data).To(Equal(graphql.Bytes(txCID.IPLD.Data).String()))
+		})
+	})
 })
+
+func compareEthHeaderCID(ethHeaderCID graphql.EthHeaderCIDResponse, headerCID eth.HeaderCIDRecord) {
+	blockNumber, err := strconv.ParseInt(headerCID.BlockNumber, 10, 64)
+	Expect(err).ToNot(HaveOccurred())
+
+	td, err := strconv.ParseInt(headerCID.TotalDifficulty, 10, 64)
+	Expect(err).ToNot(HaveOccurred())
+
+	Expect(ethHeaderCID.CID).To(Equal(headerCID.CID))
+	Expect(ethHeaderCID.BlockNumber).To(Equal(*new(graphql.BigInt).SetUint64(uint64(blockNumber))))
+	Expect(ethHeaderCID.BlockHash).To(Equal(headerCID.BlockHash))
+	Expect(ethHeaderCID.ParentHash).To(Equal(headerCID.ParentHash))
+	Expect(ethHeaderCID.Timestamp).To(Equal(*new(graphql.BigInt).SetUint64(headerCID.Timestamp)))
+	Expect(ethHeaderCID.StateRoot).To(Equal(headerCID.StateRoot))
+	Expect(ethHeaderCID.Td).To(Equal(*new(graphql.BigInt).SetUint64(uint64(td))))
+	Expect(ethHeaderCID.TxRoot).To(Equal(headerCID.TxRoot))
+	Expect(ethHeaderCID.ReceiptRoot).To(Equal(headerCID.RctRoot))
+	Expect(ethHeaderCID.UncleRoot).To(Equal(headerCID.UncleRoot))
+	Expect(ethHeaderCID.Bloom).To(Equal(graphql.Bytes(headerCID.Bloom).String()))
+
+	for tIdx, txCID := range headerCID.TransactionCIDs {
+		ethTxCID := ethHeaderCID.EthTransactionCIDsByHeaderId.Nodes[tIdx]
+		compareEthTxCID(ethTxCID, txCID)
+	}
+
+	Expect(ethHeaderCID.BlockByMhKey.Data).To(Equal(graphql.Bytes(headerCID.IPLD.Data).String()))
+	Expect(ethHeaderCID.BlockByMhKey.Key).To(Equal(headerCID.IPLD.Key))
+}
+
+func compareEthTxCID(ethTxCID graphql.EthTransactionCIDResponse, txCID eth.TransactionCIDRecord) {
+	Expect(ethTxCID.CID).To(Equal(txCID.CID))
+	Expect(ethTxCID.TxHash).To(Equal(txCID.TxHash))
+	Expect(ethTxCID.Index).To(Equal(int32(txCID.Index)))
+	Expect(ethTxCID.Src).To(Equal(txCID.Src))
+	Expect(ethTxCID.Dst).To(Equal(txCID.Dst))
+}

pkg/graphql/schema.go

@@ -25,8 +25,7 @@ const schema string = `
     # An empty byte string is represented as '0x'. Byte strings must have an even number of hexadecimal nybbles.
     scalar Bytes
     # BigInt is a large integer. Input is accepted as either a JSON number or as a string.
-    # Strings may be either decimal or 0x-prefixed hexadecimal. Output values are all
+    # Input and output strings may be either decimal or 0x-prefixed hexadecimal depending upon the resolver implementation.
-    # 0x-prefixed hexadecimal.
     scalar BigInt
     # Long is a 64 bit unsigned integer.
     scalar Long
@@ -282,6 +281,49 @@ const schema string = `
         ipldBlock: Bytes!
     }
 
+    input EthHeaderCidCondition {
+        blockNumber: BigInt
+        blockHash: String
+    }
+
+    type EthTransactionCid {
+        cid: String!
+        txHash: String!
+        index: Int!
+        src: String!
+        dst: String!
+        blockByMhKey: IPFSBlock!
+    }
+
+    type EthTransactionCidsConnection {
+        nodes: [EthTransactionCid]!
+    }
+
+    type IPFSBlock {
+        key: String!
+        data: String!
+    }
+
+    type EthHeaderCid {
+        cid: String!
+        blockNumber: BigInt!
+        blockHash: String!
+        parentHash: String!
+        timestamp: BigInt!
+        stateRoot: String!
+        td: BigInt!
+        txRoot: String!
+        receiptRoot: String!
+        uncleRoot: String!
+        bloom: String!
+        ethTransactionCidsByHeaderId: EthTransactionCidsConnection!
+        blockByMhKey: IPFSBlock!
+    }
+
+    type EthHeaderCidsConnection {
+        nodes: [EthHeaderCid]!
+    }
+
     type Query {
         # Block fetches an Ethereum block by number or by hash. If neither is
         # supplied, the most recent known block is returned.
@@ -302,5 +344,11 @@ const schema string = `
 
         # Get contract logs by block hash and contract address.
         getLogs(blockHash: Bytes32!, contract: Address): [Log!]
+
+        # PostGraphile alternative to get headers with transactions using block number or block hash.
+        allEthHeaderCids(condition: EthHeaderCidCondition): EthHeaderCidsConnection
+
+        # PostGraphile alternative to get transactions using transaction hash.
+        ethTransactionCidByTxHash(txHash: String!): EthTransactionCid
     }
 `

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/pkg/eth"
+	"github.com/cerc-io/ipld-eth-server/v4/pkg/eth"
 )
 
 // Service encapsulates a GraphQL service.
@@ -69,7 +69,7 @@ func (s *Service) Start(server *p2p.Server) error {
 		return err
 	}
 
-	handler := node.NewHTTPHandlerStack(s.handler, s.cors, s.vhosts)
+	handler := node.NewHTTPHandlerStack(s.handler, s.cors, s.vhosts, nil)
 
 	// start http server
 	_, addr, err := node.StartHTTPEndpoint(s.endpoint, rpc.DefaultHTTPTimeouts, handler)

pkg/graphql/types.go

@@ -0,0 +1,122 @@
+// 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 graphql
+
+import (
+	"encoding/hex"
+	"fmt"
+	"math/big"
+
+	"github.com/ethereum/go-ethereum/common/hexutil"
+)
+
+// Bytes marshals as a JSON string with \x prefix.
+// The empty slice marshals as "\x".
+type Bytes []byte
+
+// MarshalText implements encoding.TextMarshaler
+func (b Bytes) MarshalText() ([]byte, error) {
+	result := make([]byte, len(b)*2+2)
+	copy(result, `\x`)
+	hex.Encode(result[2:], b)
+	return result, nil
+}
+
+// String returns the hex encoding of b.
+func (b Bytes) String() string {
+	return b.encode()
+}
+
+// Encode encodes b as a hex string with "\x" prefix.
+// This is to make the output to be the same as given by postgraphile.
+// graphql-go prepends another "\" to the output resulting in prefix "\\x".
+func (b Bytes) encode() string {
+	result := make([]byte, len(b)*2+2)
+	copy(result, `\x`)
+	hex.Encode(result[2:], b)
+	return string(result)
+}
+
+type BigInt big.Int
+
+// ToInt converts b to a big.Int.
+func (b *BigInt) ToInt() *big.Int {
+	return (*big.Int)(b)
+}
+
+// String returns value of b as a decimal string.
+func (b *BigInt) String() string {
+	return b.ToInt().String()
+}
+
+// SetUint64 sets b to x and returns x.
+func (b *BigInt) SetUint64(x uint64) *BigInt {
+	var val big.Int
+	val.SetUint64(x)
+	*b = (BigInt)(val)
+	return b
+}
+
+// MarshalText implements encoding.TextMarshaler
+func (b BigInt) MarshalText() ([]byte, error) {
+	return []byte(b.String()), nil
+}
+
+// UnmarshalText implements encoding.TextUnmarshaler
+func (b *BigInt) UnmarshalText(input []byte) error {
+	raw, err := checkNumberText(input)
+	if err != nil {
+		return err
+	}
+	if len(raw) > 64 {
+		return hexutil.ErrBig256Range
+	}
+
+	var val big.Int
+	val.SetString(string(input[:]), 10)
+	*b = (BigInt)(val)
+	return nil
+}
+
+// ImplementsGraphQLType returns true if BigInt implements the provided GraphQL type.
+func (b BigInt) ImplementsGraphQLType(name string) bool { return name == "BigInt" }
+
+// UnmarshalGraphQL unmarshals the provided GraphQL query data.
+func (b *BigInt) UnmarshalGraphQL(input interface{}) error {
+	var err error
+	switch input := input.(type) {
+	case string:
+		return b.UnmarshalText([]byte(input))
+	case int32:
+		var num big.Int
+		num.SetInt64(int64(input))
+		*b = BigInt(num)
+	default:
+		err = fmt.Errorf("unexpected type %T for BigInt", input)
+	}
+	return err
+}
+
+func checkNumberText(input []byte) (raw []byte, err error) {
+	if len(input) == 0 {
+		return nil, nil // empty strings are allowed
+	}
+	if len(input) > 1 && input[0] == '0' {
+		return nil, hexutil.ErrLeadingZero
+	}
+	return input, nil
+}

pkg/net/api_test.go

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

pkg/rpc/http.go

@@ -29,11 +29,11 @@ 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)
 	}
-	handler := node.NewHTTPHandlerStack(srv, cors, vhosts)
+	handler := node.NewHTTPHandlerStack(srv, cors, vhosts, nil)
 
 	// start http server
 	_, addr, err := node.StartHTTPEndpoint(endpoint, rpc.DefaultHTTPTimeouts, handler)

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/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/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

@@ -20,9 +20,10 @@ import (
 	"context"
 
 	"github.com/ethereum/go-ethereum/rpc"
+	"github.com/ethereum/go-ethereum/statediff/types"
 	log "github.com/sirupsen/logrus"
 
-	"github.com/vulcanize/ipld-eth-server/pkg/eth"
+	"github.com/cerc-io/ipld-eth-server/v4/pkg/eth"
 )
 
 // APIName is the namespace used for the state diffing service API
@@ -34,12 +35,14 @@ const APIVersion = "0.0.1"
 // PublicServerAPI is the public api for the watcher
 type PublicServerAPI struct {
 	w   Server
+	rpc *rpc.Client
 }
 
 // NewPublicServerAPI creates a new PublicServerAPI with the provided underlying Server process
-func NewPublicServerAPI(w Server) *PublicServerAPI {
+func NewPublicServerAPI(w Server, client *rpc.Client) *PublicServerAPI {
 	return &PublicServerAPI{
 		w:   w,
+		rpc: client,
 	}
 }
 
@@ -81,3 +84,13 @@ func (api *PublicServerAPI) Stream(ctx context.Context, params eth.SubscriptionS
 
 	return rpcSub, nil
 }
+
+// WatchAddress makes a geth WatchAddress API call with the given operation and args
+func (api *PublicServerAPI) WatchAddress(operation types.OperationType, args []types.WatchAddressArg) error {
+	err := api.rpc.Call(nil, "statediff_watchAddress", operation, args)
+	if err != nil {
+		return err
+	}
+
+	return nil
+}

pkg/serve/config.go

@@ -27,14 +27,13 @@ import (
 	"github.com/ethereum/go-ethereum/common"
 	"github.com/ethereum/go-ethereum/params"
 	"github.com/ethereum/go-ethereum/rpc"
+	"github.com/ethereum/go-ethereum/statediff"
 	"github.com/ethereum/go-ethereum/statediff/indexer/database/sql/postgres"
 	"github.com/jmoiron/sqlx"
 	"github.com/spf13/viper"
 
-	"github.com/vulcanize/ipld-eth-server/pkg/eth"
+	"github.com/cerc-io/ipld-eth-server/v4/pkg/prom"
-	"github.com/vulcanize/ipld-eth-server/pkg/prom"
+	ethServerShared "github.com/cerc-io/ipld-eth-server/v4/pkg/shared"
-	"github.com/vulcanize/ipld-eth-server/pkg/shared"
-	ethServerShared "github.com/vulcanize/ipld-eth-server/pkg/shared"
 )
 
 // Env variables
@@ -202,7 +201,7 @@ func NewConfig() (*Config, error) {
 	c.IpldGraphqlEnabled = ipldGraphqlEnabled
 
 	overrideDBConnConfig(&c.DBConfig)
-	serveDB, err := shared.NewDB(c.DBConfig.DbConnectionString(), c.DBConfig)
+	serveDB, err := ethServerShared.NewDB(c.DBConfig.DbConnectionString(), c.DBConfig)
 	if err != nil {
 		return nil, err
 	}
@@ -220,12 +219,14 @@ 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 != "" {
-		c.ChainConfig, err = eth.LoadConfig(chainConfigPath)
+		c.ChainConfig, err = statediff.LoadConfig(chainConfigPath)
 	} else {
-		c.ChainConfig, err = eth.ChainConfig(nodeInfo.ChainID)
+		c.ChainConfig, err = statediff.ChainConfig(nodeInfo.ChainID)
 	}
 
 	c.loadGroupCacheConfig()

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/pkg/eth"
+	"github.com/cerc-io/ipld-eth-server/v4/pkg/debug"
-	"github.com/vulcanize/ipld-eth-server/pkg/net"
+	"github.com/cerc-io/ipld-eth-server/v4/pkg/eth"
+	"github.com/cerc-io/ipld-eth-server/v4/pkg/net"
 )
 
 const (
@@ -129,7 +131,7 @@ func (sap *Service) APIs() []rpc.API {
 		{
 			Namespace: APIName,
 			Version:   APIVersion,
-			Service:   NewPublicServerAPI(sap),
+			Service:   NewPublicServerAPI(sap, sap.client),
 			Public:    true,
 		},
 		{
@@ -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

@@ -18,11 +18,9 @@ package shared
 
 import (
 	"github.com/ethereum/go-ethereum/common"
-	"github.com/ethereum/go-ethereum/statediff/indexer/ipld"
 	"github.com/ipfs/go-cid"
 	blockstore "github.com/ipfs/go-ipfs-blockstore"
 	dshelp "github.com/ipfs/go-ipfs-ds-help"
-	node "github.com/ipfs/go-ipld-format"
 	"github.com/jmoiron/sqlx"
 	"github.com/sirupsen/logrus"
 )
@@ -50,31 +48,18 @@ func Rollback(tx *sqlx.Tx) {
 	}
 }
 
-// PublishIPLD is used to insert an ipld into Postgres blockstore with the provided tx
+// FetchIPLDByMhKeyAndBlockNumber is used to retrieve an ipld from Postgres blockstore with the provided tx, mhkey string and blockNumber
-func PublishIPLD(tx *sqlx.Tx, i node.Node) error {
+func FetchIPLDByMhKeyAndBlockNumber(tx *sqlx.Tx, mhKey string, blockNumber uint64) ([]byte, error) {
-	dbKey := dshelp.MultihashToDsKey(i.Cid().Hash())
+	pgStr := `SELECT data FROM public.blocks WHERE key = $1 AND block_number = $2`
-	prefixedKey := blockstore.BlockPrefix.String() + dbKey.String()
+	var block []byte
-	raw := i.RawData()
+	return block, tx.Get(&block, pgStr, mhKey, blockNumber)
-	_, err := tx.Exec(`INSERT INTO public.blocks (key, data) VALUES ($1, $2) ON CONFLICT (key) DO NOTHING`, prefixedKey, raw)
-	return err
 }
 
-// FetchIPLD is used to retrieve an ipld from Postgres blockstore with the provided tx and cid string
+// FetchIPLD is used to retrieve an IPLD from Postgres mhkey and blockNumber
-func FetchIPLD(tx *sqlx.Tx, cid string) ([]byte, error) {
+func FetchIPLD(db *sqlx.DB, mhKey string, blockNumber uint64) ([]byte, error) {
-	mhKey, err := MultihashKeyFromCIDString(cid)
+	pgStr := `SELECT data FROM public.blocks WHERE key = $1 AND block_number = $2`
-	if err != nil {
-		return nil, err
-	}
-	pgStr := `SELECT data FROM public.blocks WHERE key = $1`
 	var block []byte
-	return block, tx.Get(&block, pgStr, mhKey)
+	return block, db.Get(&block, pgStr, mhKey, blockNumber)
-}
-
-// FetchIPLDByMhKey is used to retrieve an ipld from Postgres blockstore with the provided tx and mhkey string
-func FetchIPLDByMhKey(tx *sqlx.Tx, mhKey string) ([]byte, error) {
-	pgStr := `SELECT data FROM public.blocks WHERE key = $1`
-	var block []byte
-	return block, tx.Get(&block, pgStr, mhKey)
 }
 
 // MultihashKeyFromCID converts a cid into a blockstore-prefixed multihash db key string
@@ -92,15 +77,3 @@ func MultihashKeyFromCIDString(c string) (string, error) {
 	dbKey := dshelp.MultihashToDsKey(dc.Hash())
 	return blockstore.BlockPrefix.String() + dbKey.String(), nil
 }
-
-// PublishRaw derives a cid from raw bytes and provided codec and multihash type, and writes it to the db tx
-func PublishRaw(tx *sqlx.Tx, codec, mh uint64, raw []byte) (string, error) {
-	c, err := ipld.RawdataToCid(codec, raw, mh)
-	if err != nil {
-		return "", err
-	}
-	dbKey := dshelp.MultihashToDsKey(c.Hash())
-	prefixedKey := blockstore.BlockPrefix.String() + dbKey.String()
-	_, err = tx.Exec(`INSERT INTO public.blocks (key, data) VALUES ($1, $2) ON CONFLICT (key) DO NOTHING`, prefixedKey, raw)
-	return c.String(), err
-}

pkg/shared/test_helpers.go

@@ -18,8 +18,20 @@ package shared
 
 import (
 	"bytes"
+	"context"
+	"os"
+	"strconv"
 
+	. "github.com/onsi/gomega"
+
+	"github.com/ethereum/go-ethereum/common"
+	"github.com/ethereum/go-ethereum/params"
+	"github.com/ethereum/go-ethereum/statediff/indexer"
+	"github.com/ethereum/go-ethereum/statediff/indexer/database/sql/postgres"
+	"github.com/ethereum/go-ethereum/statediff/indexer/interfaces"
 	"github.com/ethereum/go-ethereum/statediff/indexer/models"
+	"github.com/ethereum/go-ethereum/statediff/indexer/node"
+	"github.com/jmoiron/sqlx"
 )
 
 // IPLDsContainBytes used to check if a list of strings contains a particular string
@@ -31,3 +43,73 @@ func IPLDsContainBytes(iplds []models.IPLDModel, b []byte) bool {
 	}
 	return false
 }
+
+// SetupDB is use to setup a db for watcher tests
+func SetupDB() *sqlx.DB {
+	config := getTestDBConfig()
+
+	db, err := NewDB(config.DbConnectionString(), config)
+	Expect(err).NotTo(HaveOccurred())
+
+	return db
+}
+
+// TearDownDB is used to tear down the watcher dbs after tests
+func TearDownDB(db *sqlx.DB) {
+	tx, err := db.Beginx()
+	Expect(err).NotTo(HaveOccurred())
+	_, err = tx.Exec(`DELETE FROM nodes`)
+	Expect(err).NotTo(HaveOccurred())
+	_, err = tx.Exec(`DELETE FROM eth.header_cids`)
+	Expect(err).NotTo(HaveOccurred())
+	_, err = tx.Exec(`DELETE FROM eth.uncle_cids`)
+	Expect(err).NotTo(HaveOccurred())
+	_, err = tx.Exec(`DELETE FROM eth.transaction_cids`)
+	Expect(err).NotTo(HaveOccurred())
+	_, err = tx.Exec(`DELETE FROM eth.receipt_cids`)
+	Expect(err).NotTo(HaveOccurred())
+	_, err = tx.Exec(`DELETE FROM eth.state_cids`)
+	Expect(err).NotTo(HaveOccurred())
+	_, err = tx.Exec(`DELETE FROM eth.storage_cids`)
+	Expect(err).NotTo(HaveOccurred())
+	_, err = tx.Exec(`DELETE FROM eth.state_accounts`)
+	Expect(err).NotTo(HaveOccurred())
+	_, err = tx.Exec(`DELETE FROM eth.access_list_elements`)
+	Expect(err).NotTo(HaveOccurred())
+	_, err = tx.Exec(`DELETE FROM blocks`)
+	Expect(err).NotTo(HaveOccurred())
+	_, err = tx.Exec(`DELETE FROM eth.log_cids`)
+	Expect(err).NotTo(HaveOccurred())
+	_, err = tx.Exec(`DELETE FROM eth_meta.watched_addresses`)
+	Expect(err).NotTo(HaveOccurred())
+
+	err = tx.Commit()
+	Expect(err).NotTo(HaveOccurred())
+}
+
+func SetupTestStateDiffIndexer(ctx context.Context, chainConfig *params.ChainConfig, genHash common.Hash) interfaces.StateDiffIndexer {
+	testInfo := node.Info{
+		GenesisBlock: genHash.String(),
+		NetworkID:    "1",
+		ID:           "1",
+		ClientName:   "geth",
+		ChainID:      params.TestChainConfig.ChainID.Uint64(),
+	}
+
+	_, stateDiffIndexer, err := indexer.NewStateDiffIndexer(ctx, chainConfig, testInfo, getTestDBConfig())
+	Expect(err).NotTo(HaveOccurred())
+
+	return stateDiffIndexer
+}
+
+func getTestDBConfig() postgres.Config {
+	port, _ := strconv.Atoi(os.Getenv("DATABASE_PORT"))
+	return postgres.Config{
+		Hostname:     os.Getenv("DATABASE_HOSTNAME"),
+		DatabaseName: os.Getenv("DATABASE_NAME"),
+		Username:     os.Getenv("DATABASE_USER"),
+		Password:     os.Getenv("DATABASE_PASSWORD"),
+		Port:         port,
+		Driver:       postgres.SQLX,
+	}
+}

scripts/run_integration_test.sh

@@ -3,17 +3,8 @@ set -o xtrace
 
 export ETH_FORWARD_ETH_CALLS=false
 export DB_WRITE=true
-export ETH_HTTP_PATH=""
 export ETH_PROXY_ON_ERROR=false
 
-# Clear up existing docker images and volume.
-docker-compose down --remove-orphans --volumes
-
-# Build and start the containers.
-# Note: Build only if `ipld-eth-server` or other container code is modified. Otherwise comment this line.
-docker-compose -f docker-compose.test.yml -f docker-compose.yml build eth-server
-docker-compose -f docker-compose.test.yml -f docker-compose.yml up -d ipld-eth-db dapptools contract eth-server
-
 export PGPASSWORD=password
 export DATABASE_USER=vdbm
 export DATABASE_PORT=8077

scripts/run_integration_test_forward_eth_calls.sh

@@ -3,17 +3,8 @@ set -o xtrace
 
 export ETH_FORWARD_ETH_CALLS=true
 export DB_WRITE=false
-export ETH_HTTP_PATH="dapptools:8545"
 export ETH_PROXY_ON_ERROR=false
 
-# Clear up existing docker images and volume.
-docker-compose down --remove-orphans --volumes
-
-# Build and start the containers.
-# Note: Build only if `ipld-eth-server` or other container code is modified. Otherwise comment this line.
-docker-compose -f docker-compose.test.yml -f docker-compose.yml build eth-server
-docker-compose -f docker-compose.test.yml -f docker-compose.yml up -d ipld-eth-db dapptools contract eth-server
-
 export PGPASSWORD=password
 export DATABASE_USER=vdbm
 export DATABASE_PORT=8077

scripts/run_unit_test.sh

@@ -1,5 +1,16 @@
-# Clear up existing docker images and volume.
+#!/bin/bash
+
+# Remove any existing containers / volumes
 docker-compose down --remove-orphans --volumes
 
-docker-compose -f docker-compose.test.yml -f docker-compose.yml up -d ipld-eth-db
+# Spin up DB and run migrations
+docker-compose up -d migrations ipld-eth-db
+sleep 30
+
+# Run unit tests
+go clean -testcache
 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 down --remove-orphans --volumes
+rm -rf out/

test/README.md

@@ -1,15 +1,119 @@
+# Test Insructions
 
-Spin up services: 
+## Setup
-```
-docker-compose -f docker-compose.test.yml -f docker-compose.yml up -d db dapptools contract eth-server
-```
 
-Running unit tests:
+- 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.
-```bash
-make test_local
-```
 
-Running integration test:
+- Checkout [v4 release](https://github.com/vulcanize/ipld-eth-db/releases/tag/v4.2.1-alpha) in ipld-eth-db repo.
-```bash
+  ```bash
-make integrationtest_local
+  # In ipld-eth-db repo.
-```
+  git checkout v4.2.1-alpha
+  ```
+
+- 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 v1.10.23-statediff-4.2.0-alpha
+  ```
+
+- Checkout working commit in stack-orchestrator repo.
+  ```bash
+  # In stack-orchestrator repo.
+  git checkout f2fd766f5400fcb9eb47b50675d2e3b1f2753702
+  ```
+
+## Run
+
+- Run unit tests:
+
+  ```bash
+  # In ipld-eth-server root directory.
+  ./scripts/run_unit_test.sh
+  ```
+
+- Run integration tests:
+
+  - In stack-orchestrator repo, create config file:
+
+    ```bash
+    cd helper-scripts
+
+    ./create-config.sh
+    ```
+
+    A `config.sh` will be created in the root directory.
+
+  - Update/Edit the generated config file with:
+
+    ```bash
+    #!/bin/bash
+
+    # Path to ipld-eth-server repo.
+    vulcanize_ipld_eth_db=~/ipld-eth-db/
+
+    # Path to go-ethereum repo.
+    vulcanize_go_ethereum=~/go-ethereum/
+
+    # Path to ipld-eth-server repo.
+    vulcanize_ipld_eth_server=~/ipld-eth-server/
+
+    # 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"
+    ```
+
+  - Run stack-orchestrator:
+
+    ```bash
+    # In stack-orchestrator root directory.
+    cd helper-scripts
+
+    ./wrapper.sh \
+    -e docker \
+    -d ../docker/local/docker-compose-db-sharding.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 \
+    -v remove \
+    -p ../config.sh
+    ```
+
+  - Run test:
+
+    ```bash
+    # In ipld-eth-server root directory.
+    ./scripts/run_integration_test.sh
+    ```
+
+  - Update stack-orchestrator `config.sh` file:
+
+    ```bash
+    #!/bin/bash
+
+    # Path to go-ethereum repo.
+    vulcanize_go_ethereum=~/go-ethereum/
+
+    # Path to ipld-eth-server repo.
+    vulcanize_ipld_eth_server=~/ipld-eth-server/
+
+    # 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"
+    ```
+
+  - Stop the stack-orchestrator and start again using the same command
+
+  - Run integration tests for direct proxy fall-through of eth_calls:
+    ```bash
+    ./scripts/run_integration_test_forward_eth_calls.sh
+    ```

test/contract/contracts/SLVToken.sol

@@ -0,0 +1,25 @@
+// SPDX-License-Identifier: AGPL-3.0
+pragma solidity ^0.8.0;
+
+import "@openzeppelin/contracts/token/ERC20/ERC20.sol";
+
+contract SLVToken is ERC20 {
+    uint256 private countA;
+    uint256 private countB;
+
+    constructor() ERC20("Silver", "SLV") {}
+
+    function incrementCountA() public {
+      countA = countA + 1;
+    }
+
+    function incrementCountB() public {
+      countB = countB + 1;
+    }
+
+    receive() external payable {}
+
+    function destroy() public {
+        selfdestruct(payable(msg.sender));
+    }
+}

test/contract/hardhat.config.js

@@ -17,15 +17,26 @@ task("accounts", "Prints the list of accounts", async () => {
  * @type import('hardhat/config').HardhatUserConfig
  */
 module.exports = {
-  solidity: "0.8.0",
+  solidity: {
+    version: "0.8.0",
+    settings: {
+      outputSelection: {
+        '*': {
+          '*': [
+            'abi', 'storageLayout',
+          ]
+        }
+      }
+    }
+  },
   networks: {
     local: {
       url: 'http://127.0.0.1:8545',
-      chainId: 4
+      chainId: 99
     },
     docker: {
       url: process.env.ETH_ADDR,
-      chainId: 4
+      chainId: 99
     }
   }
 };

test/contract/package-lock.json

@@ -11,7 +11,8 @@
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         "@openzeppelin/contracts": "^4.0.0",
         "fastify": "^3.14.2",
-        "hardhat": "^2.2.0"
+        "hardhat": "^2.2.0",
+        "solidity-create2-deployer": "^0.4.0"
       },
       "devDependencies": {
         "@nomiclabs/hardhat-ethers": "^2.0.2",
@@ -469,7 +470,6 @@
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       "resolved": "https://registry.npmjs.org/@ethersproject/abi/-/abi-5.1.0.tgz",
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-      "dev": true,
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@@ -496,7 +496,6 @@
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@@ -521,7 +520,6 @@
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-      "dev": true,
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@@ -544,7 +542,6 @@
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       "resolved": "https://registry.npmjs.org/@ethersproject/address/-/address-5.1.0.tgz",
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-      "dev": true,
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@@ -567,7 +564,6 @@
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       "integrity": "sha512-npD1bLvK4Bcxz+m4EMkx+F8Rd7CnqS9DYnhNu0/GlQBXhWjvfoAZzk5HJ0f1qeyp8d+A86PTuzLOGOXf4/CN8g==",
-      "dev": true,
       "funding": [
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@@ -586,7 +582,6 @@
       "version": "5.1.0",
       "resolved": "https://registry.npmjs.org/@ethersproject/basex/-/basex-5.1.0.tgz",
       "integrity": "sha512-vBKr39bum7DDbOvkr1Sj19bRMEPA4FnST6Utt6xhDzI7o7L6QNkDn2yrCfP+hnvJGhZFKtLygWwqlTBZoBXYLg==",
-      "dev": true,
       "funding": [
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@@ -606,7 +601,6 @@
       "version": "5.1.0",
       "resolved": "https://registry.npmjs.org/@ethersproject/bignumber/-/bignumber-5.1.0.tgz",
       "integrity": "sha512-wUvQlhTjPjFXIdLPOuTrFeQmSa6Wvls1bGXQNQWvB/SEn1NsTCE8PmumIEZxmOPjSHl1eV2uyHP5jBm5Cgj92Q==",
-      "dev": true,
       "funding": [
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@@ -627,7 +621,6 @@
       "version": "5.1.0",
       "resolved": "https://registry.npmjs.org/@ethersproject/bytes/-/bytes-5.1.0.tgz",
       "integrity": "sha512-sGTxb+LVjFxJcJeUswAIK6ncgOrh3D8c192iEJd7mLr95V6du119rRfYT/b87WPkZ5I3gRBUYIYXtdgCWACe8g==",
-      "dev": true,
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@@ -646,7 +639,6 @@
       "version": "5.1.0",
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@@ -665,7 +657,6 @@
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-      "dev": true,
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@@ -693,7 +684,6 @@
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-      "dev": true,
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@@ -719,7 +709,6 @@
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-      "dev": true,
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@@ -749,7 +738,6 @@
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-      "dev": true,
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@@ -780,7 +768,6 @@
       "version": "5.1.0",
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-      "dev": true,
       "funding": [
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@@ -799,14 +786,12 @@
     "node_modules/@ethersproject/keccak256/node_modules/js-sha3": {
       "version": "0.5.7",
       "resolved": "https://registry.npmjs.org/js-sha3/-/js-sha3-0.5.7.tgz",
-      "integrity": "sha1-DU/9gALVMzqrr0oj7tL2N0yfKOc=",
+      "integrity": "sha1-DU/9gALVMzqrr0oj7tL2N0yfKOc="
-      "dev": true
     },
     "node_modules/@ethersproject/logger": {
       "version": "5.1.0",
       "resolved": "https://registry.npmjs.org/@ethersproject/logger/-/logger-5.1.0.tgz",
       "integrity": "sha512-wtUaD1lBX10HBXjjKV9VHCBnTdUaKQnQ2XSET1ezglqLdPdllNOIlLfhyCRqXm5xwcjExVI5ETokOYfjPtaAlw==",
-      "dev": true,
       "funding": [
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@@ -822,7 +807,6 @@
       "version": "5.1.0",
       "resolved": "https://registry.npmjs.org/@ethersproject/networks/-/networks-5.1.0.tgz",
       "integrity": "sha512-A/NIrIED/G/IgU1XUukOA3WcFRxn2I4O5GxsYGA5nFlIi+UZWdGojs85I1VXkR1gX9eFnDXzjE6OtbgZHjFhIA==",
-      "dev": true,
       "funding": [
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@@ -841,7 +825,6 @@
       "version": "5.1.0",
       "resolved": "https://registry.npmjs.org/@ethersproject/pbkdf2/-/pbkdf2-5.1.0.tgz",
       "integrity": "sha512-B8cUbHHTgs8OtgJIafrRcz/YPDobVd5Ru8gTnShOiM9EBuFpYHQpq3+8iQJ6pyczDu6HP/oc/njAsIBhwFZYew==",
-      "dev": true,
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@@ -861,7 +844,6 @@
       "version": "5.1.0",
       "resolved": "https://registry.npmjs.org/@ethersproject/properties/-/properties-5.1.0.tgz",
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@@ -880,7 +862,6 @@
       "version": "5.1.0",
       "resolved": "https://registry.npmjs.org/@ethersproject/providers/-/providers-5.1.0.tgz",
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@@ -917,7 +898,6 @@
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-      "dev": true,
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@@ -938,7 +918,6 @@
       "version": "5.1.0",
       "resolved": "https://registry.npmjs.org/@ethersproject/random/-/random-5.1.0.tgz",
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@@ -958,7 +937,6 @@
       "version": "5.1.0",
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@@ -978,7 +956,6 @@
       "version": "5.1.0",
       "resolved": "https://registry.npmjs.org/@ethersproject/sha2/-/sha2-5.1.0.tgz",
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-      "dev": true,
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@@ -999,7 +976,6 @@
       "version": "1.1.3",
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-      "dev": true,
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@@ -1009,7 +985,6 @@
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@@ -1032,7 +1007,6 @@
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@@ -1055,7 +1029,6 @@
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@@ -1076,7 +1049,6 @@
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@@ -1103,7 +1075,6 @@
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@@ -1124,7 +1095,6 @@
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-      "dev": true,
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@@ -1157,7 +1127,6 @@
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@@ -1180,7 +1149,6 @@
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@@ -1630,8 +1598,7 @@
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-      "integrity": "sha1-4h3xCtbCBTKVvLuNq0Cwnb6ofk0=",
+      "integrity": "sha1-4h3xCtbCBTKVvLuNq0Cwnb6ofk0="
-      "dev": true
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     "node_modules/agent-base": {
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@@ -1870,8 +1837,7 @@
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+      "integrity": "sha512-s0IrSOzLlbvX7yp4WBfPITzpAU8sqQcpsmwXDiKwrG4r491vwCO/XpejasRNl0piBMe/DvP4Tz0mIS/X1DPJBQ=="
-      "dev": true
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     "node_modules/binary-extensions": {
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@@ -2774,7 +2740,6 @@
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-      "dev": true,
       "funding": [
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@@ -5427,7 +5392,7 @@
       "dev": true,
       "license": "MIT",
       "dependencies": {
-        "node-fetch": "^2.6.7",
+        "node-fetch": "2.1.2",
         "whatwg-fetch": "2.0.4"
       }
     },
@@ -7533,7 +7498,7 @@
       "dev": true,
       "license": "MIT",
       "dependencies": {
-        "node-fetch": "^2.6.7"
+        "node-fetch": "~1.7.1"
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     },
     "node_modules/ganache-core/node_modules/fetch-ponyfill/node_modules/is-stream": {
@@ -7545,7 +7510,7 @@
       }
     },
     "node_modules/ganache-core/node_modules/fetch-ponyfill/node_modules/node-fetch": {
-      "version": "2.6.7",
+      "version": "1.7.3",
       "dev": true,
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@@ -9217,7 +9182,7 @@
       "license": "MIT"
     },
     "node_modules/ganache-core/node_modules/node-fetch": {
-      "version": "2.6.7",
+      "version": "2.1.2",
       "dev": true,
       "license": "MIT",
       "engines": {
@@ -14740,6 +14705,17 @@
         "semver": "bin/semver"
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     },
+    "node_modules/solidity-create2-deployer": {
+      "version": "0.4.0",
+      "resolved": "https://registry.npmjs.org/solidity-create2-deployer/-/solidity-create2-deployer-0.4.0.tgz",
+      "integrity": "sha512-bB5d8fPt4dWsOoRodrsyfWKcjiv77IFl84+e6EckMMGYlfL2ZFqUoMz6tnqqiUFrM9abF1p6dWFOgJ/3zVc8yQ==",
+      "dependencies": {
+        "ethers": "^5.0.14"
+      },
+      "engines": {
+        "node": ">=10"
+      }
+    },
     "node_modules/sonic-boom": {
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@@ -16056,7 +16032,6 @@
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@@ -16073,7 +16048,6 @@
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@@ -16088,7 +16062,6 @@
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@@ -16101,7 +16074,6 @@
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@@ -16114,7 +16086,6 @@
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@@ -16123,7 +16094,6 @@
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       "requires": {
         "@ethersproject/bytes": "^5.1.0",
         "@ethersproject/properties": "^5.1.0"
@@ -16133,7 +16103,6 @@
       "version": "5.1.0",
       "resolved": "https://registry.npmjs.org/@ethersproject/bignumber/-/bignumber-5.1.0.tgz",
       "integrity": "sha512-wUvQlhTjPjFXIdLPOuTrFeQmSa6Wvls1bGXQNQWvB/SEn1NsTCE8PmumIEZxmOPjSHl1eV2uyHP5jBm5Cgj92Q==",
-      "dev": true,
       "requires": {
         "@ethersproject/bytes": "^5.1.0",
         "@ethersproject/logger": "^5.1.0",
@@ -16144,7 +16113,6 @@
       "version": "5.1.0",
       "resolved": "https://registry.npmjs.org/@ethersproject/bytes/-/bytes-5.1.0.tgz",
       "integrity": "sha512-sGTxb+LVjFxJcJeUswAIK6ncgOrh3D8c192iEJd7mLr95V6du119rRfYT/b87WPkZ5I3gRBUYIYXtdgCWACe8g==",
-      "dev": true,
       "requires": {
         "@ethersproject/logger": "^5.1.0"
       }
@@ -16153,7 +16121,6 @@
       "version": "5.1.0",
       "resolved": "https://registry.npmjs.org/@ethersproject/constants/-/constants-5.1.0.tgz",
       "integrity": "sha512-0/SuHrxc8R8k+JiLmJymxHJbojUDWBQqO+b+XFdwaP0jGzqC09YDy/CAlSZB6qHsBifY8X3I89HcK/oMqxRdBw==",
-      "dev": true,
       "requires": {
         "@ethersproject/bignumber": "^5.1.0"
       }
@@ -16162,7 +16129,6 @@
       "version": "5.1.0",
       "resolved": "https://registry.npmjs.org/@ethersproject/contracts/-/contracts-5.1.0.tgz",
       "integrity": "sha512-dvTMs/4XGSc57cYOW0KjgX1NdTujUu7mNb6PQdJWg08m9ULzPyGZuBkFJnijBcp6vTOCQ59RwjboWgNWw393og==",
-      "dev": true,
       "requires": {
         "@ethersproject/abi": "^5.1.0",
         "@ethersproject/abstract-provider": "^5.1.0",
@@ -16180,7 +16146,6 @@
       "version": "5.1.0",
       "resolved": "https://registry.npmjs.org/@ethersproject/hash/-/hash-5.1.0.tgz",
       "integrity": "sha512-fNwry20yLLPpnRRwm3fBL+2ksgO+KMadxM44WJmRIoTKzy4269+rbq9KFoe2LTqq2CXJM2CE70beGaNrpuqflQ==",
-      "dev": true,
       "requires": {
         "@ethersproject/abstract-signer": "^5.1.0",
         "@ethersproject/address": "^5.1.0",
@@ -16196,7 +16161,6 @@
       "version": "5.1.0",
       "resolved": "https://registry.npmjs.org/@ethersproject/hdnode/-/hdnode-5.1.0.tgz",
       "integrity": "sha512-obIWdlujloExPHWJGmhJO/sETOOo7SEb6qemV4f8kyFoXg+cJK+Ta9SvBrj7hsUK85n3LZeZJZRjjM7oez3Clg==",
-      "dev": true,
       "requires": {
         "@ethersproject/abstract-signer": "^5.1.0",
         "@ethersproject/basex": "^5.1.0",
@@ -16216,7 +16180,6 @@
       "version": "5.1.0",
       "resolved": "https://registry.npmjs.org/@ethersproject/json-wallets/-/json-wallets-5.1.0.tgz",
       "integrity": "sha512-00n2iBy27w8zrGZSiU762UOVuzCQZxUZxopsZC47++js6xUFuI74DHcJ5K/2pddlF1YBskvmMuboEu1geK8mnA==",
-      "dev": true,
       "requires": {
         "@ethersproject/abstract-signer": "^5.1.0",
         "@ethersproject/address": "^5.1.0",
@@ -16237,7 +16200,6 @@
       "version": "5.1.0",
       "resolved": "https://registry.npmjs.org/@ethersproject/keccak256/-/keccak256-5.1.0.tgz",
       "integrity": "sha512-vrTB1W6AEYoadww5c9UyVJ2YcSiyIUTNDRccZIgwTmFFoSHwBtcvG1hqy9RzJ1T0bMdATbM9Hfx2mJ6H0i7Hig==",
-      "dev": true,
       "requires": {
         "@ethersproject/bytes": "^5.1.0",
         "js-sha3": "0.5.7"
@@ -16246,22 +16208,19 @@
         "js-sha3": {
           "version": "0.5.7",
           "resolved": "https://registry.npmjs.org/js-sha3/-/js-sha3-0.5.7.tgz",
-          "integrity": "sha1-DU/9gALVMzqrr0oj7tL2N0yfKOc=",
+          "integrity": "sha1-DU/9gALVMzqrr0oj7tL2N0yfKOc="
-          "dev": true
         }
       }
     },
     "@ethersproject/logger": {
       "version": "5.1.0",
       "resolved": "https://registry.npmjs.org/@ethersproject/logger/-/logger-5.1.0.tgz",
-      "integrity": "sha512-wtUaD1lBX10HBXjjKV9VHCBnTdUaKQnQ2XSET1ezglqLdPdllNOIlLfhyCRqXm5xwcjExVI5ETokOYfjPtaAlw==",
+      "integrity": "sha512-wtUaD1lBX10HBXjjKV9VHCBnTdUaKQnQ2XSET1ezglqLdPdllNOIlLfhyCRqXm5xwcjExVI5ETokOYfjPtaAlw=="
-      "dev": true
     },
     "@ethersproject/networks": {
       "version": "5.1.0",
       "resolved": "https://registry.npmjs.org/@ethersproject/networks/-/networks-5.1.0.tgz",
       "integrity": "sha512-A/NIrIED/G/IgU1XUukOA3WcFRxn2I4O5GxsYGA5nFlIi+UZWdGojs85I1VXkR1gX9eFnDXzjE6OtbgZHjFhIA==",
-      "dev": true,
       "requires": {
         "@ethersproject/logger": "^5.1.0"
       }
@@ -16270,7 +16229,6 @@
       "version": "5.1.0",
       "resolved": "https://registry.npmjs.org/@ethersproject/pbkdf2/-/pbkdf2-5.1.0.tgz",
       "integrity": "sha512-B8cUbHHTgs8OtgJIafrRcz/YPDobVd5Ru8gTnShOiM9EBuFpYHQpq3+8iQJ6pyczDu6HP/oc/njAsIBhwFZYew==",
-      "dev": true,
       "requires": {
         "@ethersproject/bytes": "^5.1.0",
         "@ethersproject/sha2": "^5.1.0"
@@ -16280,7 +16238,6 @@
       "version": "5.1.0",
       "resolved": "https://registry.npmjs.org/@ethersproject/properties/-/properties-5.1.0.tgz",
       "integrity": "sha512-519KKTwgmH42AQL3+GFV3SX6khYEfHsvI6v8HYejlkigSDuqttdgVygFTDsGlofNFchhDwuclrxQnD5B0YLNMg==",
-      "dev": true,
       "requires": {
         "@ethersproject/logger": "^5.1.0"
       }
@@ -16289,7 +16246,6 @@
       "version": "5.1.0",
       "resolved": "https://registry.npmjs.org/@ethersproject/providers/-/providers-5.1.0.tgz",
       "integrity": "sha512-FjpZL2lSXrYpQDg2fMjugZ0HjQD9a+2fOOoRhhihh+Z+qi/xZ8vIlPoumrEP1DzIG4DBV6liUqLNqnX2C6FIAA==",
-      "dev": true,
       "requires": {
         "@ethersproject/abstract-provider": "^5.1.0",
         "@ethersproject/abstract-signer": "^5.1.0",
@@ -16316,7 +16272,6 @@
           "version": "7.2.3",
           "resolved": "https://registry.npmjs.org/ws/-/ws-7.2.3.tgz",
           "integrity": "sha512-HTDl9G9hbkNDk98naoR/cHDws7+EyYMOdL1BmjsZXRUjf7d+MficC4B7HLUPlSiho0vg+CWKrGIt/VJBd1xunQ==",
-          "dev": true,
           "requires": {}
         }
       }
@@ -16325,7 +16280,6 @@
       "version": "5.1.0",
       "resolved": "https://registry.npmjs.org/@ethersproject/random/-/random-5.1.0.tgz",
       "integrity": "sha512-+uuczLQZ4+no9cP6TCoCktXx0u2YbNaRT7lRkSt12d8263e702f0u+4JnnRO8Qmv5nylWJebnqCHzyxP+6mLqw==",
-      "dev": true,
       "requires": {
         "@ethersproject/bytes": "^5.1.0",
         "@ethersproject/logger": "^5.1.0"
@@ -16335,7 +16289,6 @@
       "version": "5.1.0",
       "resolved": "https://registry.npmjs.org/@ethersproject/rlp/-/rlp-5.1.0.tgz",
       "integrity": "sha512-vDTyHIwNPrecy55gKGZ47eJZhBm8LLBxihzi5ou+zrSvYTpkSTWRcKUlXFDFQVwfWB+P5PGyERAdiDEI76clxw==",
-      "dev": true,
       "requires": {
         "@ethersproject/bytes": "^5.1.0",
         "@ethersproject/logger": "^5.1.0"
@@ -16345,7 +16298,6 @@
       "version": "5.1.0",
       "resolved": "https://registry.npmjs.org/@ethersproject/sha2/-/sha2-5.1.0.tgz",
       "integrity": "sha512-+fNSeZRstOpdRJpdGUkRONFCaiAqWkc91zXgg76Nlp5ndBQE25Kk5yK8gCPG1aGnCrbariiPr5j9DmrYH78JCA==",
-      "dev": true,
       "requires": {
         "@ethersproject/bytes": "^5.1.0",
         "@ethersproject/logger": "^5.1.0",
@@ -16356,7 +16308,6 @@
           "version": "1.1.3",
           "resolved": "https://registry.npmjs.org/hash.js/-/hash.js-1.1.3.tgz",
           "integrity": "sha512-/UETyP0W22QILqS+6HowevwhEFJ3MBJnwTf75Qob9Wz9t0DPuisL8kW8YZMK62dHAKE1c1p+gY1TtOLY+USEHA==",
-          "dev": true,
           "requires": {
             "inherits": "^2.0.3",
             "minimalistic-assert": "^1.0.0"
@@ -16368,7 +16319,6 @@
       "version": "5.1.0",
       "resolved": "https://registry.npmjs.org/@ethersproject/signing-key/-/signing-key-5.1.0.tgz",
       "integrity": "sha512-tE5LFlbmdObG8bY04NpuwPWSRPgEswfxweAI1sH7TbP0ml1elNfqcq7ii/3AvIN05i5U0Pkm3Tf8bramt8MmLw==",
-      "dev": true,
       "requires": {
         "@ethersproject/bytes": "^5.1.0",
         "@ethersproject/logger": "^5.1.0",
@@ -16381,7 +16331,6 @@
       "version": "5.1.0",
       "resolved": "https://registry.npmjs.org/@ethersproject/solidity/-/solidity-5.1.0.tgz",
       "integrity": "sha512-kPodsGyo9zg1g9XSXp1lGhFaezBAUUsAUB1Vf6OkppE5Wksg4Et+x3kG4m7J/uShDMP2upkJtHNsIBK2XkVpKQ==",
-      "dev": true,
       "requires": {
         "@ethersproject/bignumber": "^5.1.0",
         "@ethersproject/bytes": "^5.1.0",
@@ -16394,7 +16343,6 @@
       "version": "5.1.0",
       "resolved": "https://registry.npmjs.org/@ethersproject/strings/-/strings-5.1.0.tgz",
       "integrity": "sha512-perBZy0RrmmL0ejiFGUOlBVjMsUceqLut3OBP3zP96LhiJWWbS8u1NqQVgN4/Gyrbziuda66DxiQocXhsvx+Sw==",
-      "dev": true,
       "requires": {
         "@ethersproject/bytes": "^5.1.0",
         "@ethersproject/constants": "^5.1.0",
@@ -16405,7 +16353,6 @@
       "version": "5.1.0",
       "resolved": "https://registry.npmjs.org/@ethersproject/transactions/-/transactions-5.1.0.tgz",
       "integrity": "sha512-s10crRLZEA0Bgv6FGEl/AKkTw9f+RVUrlWDX1rHnD4ZncPFeiV2AJr4nT7QSUhxJdFPvjyKRDb3nEH27dIqcPQ==",
-      "dev": true,
       "requires": {
         "@ethersproject/address": "^5.1.0",
         "@ethersproject/bignumber": "^5.1.0",
@@ -16422,7 +16369,6 @@
       "version": "5.1.0",
       "resolved": "https://registry.npmjs.org/@ethersproject/units/-/units-5.1.0.tgz",
       "integrity": "sha512-isvJrx6qG0nKWfxsGORNjmOq/nh175fStfvRTA2xEKrGqx8JNJY83fswu4GkILowfriEM/eYpretfJnfzi7YhA==",
-      "dev": true,
       "requires": {
         "@ethersproject/bignumber": "^5.1.0",
         "@ethersproject/constants": "^5.1.0",
@@ -16433,7 +16379,6 @@
       "version": "5.1.0",
       "resolved": "https://registry.npmjs.org/@ethersproject/wallet/-/wallet-5.1.0.tgz",
       "integrity": "sha512-ULmUtiYQLTUS+y3DgkLzRhFEK10zMwmjOthnjiZxee3Q/MVwr3rnmuAnXIUZrPjna6hvUPnyRIdW5XuF0Ld0YQ==",
-      "dev": true,
       "requires": {
         "@ethersproject/abstract-provider": "^5.1.0",
         "@ethersproject/abstract-signer": "^5.1.0",
@@ -16456,7 +16401,6 @@
       "version": "5.1.0",
       "resolved": "https://registry.npmjs.org/@ethersproject/web/-/web-5.1.0.tgz",
       "integrity": "sha512-LTeluWgTq04+RNqAkVhpydPcRZK/kKxD2Vy7PYGrAD27ABO9kTqTBKwiOuzTyAHKUQHfnvZbXmxBXJAGViSDcA==",
-      "dev": true,
       "requires": {
         "@ethersproject/base64": "^5.1.0",
         "@ethersproject/bytes": "^5.1.0",
@@ -16469,7 +16413,6 @@
       "version": "5.1.0",
       "resolved": "https://registry.npmjs.org/@ethersproject/wordlists/-/wordlists-5.1.0.tgz",
       "integrity": "sha512-NsUCi/TpBb+oTFvMSccUkJGtp5o/84eOyqp5q5aBeiNBSLkYyw21znRn9mAmxZgySpxgruVgKbaapnYPgvctPQ==",
-      "dev": true,
       "requires": {
         "@ethersproject/bytes": "^5.1.0",
         "@ethersproject/hash": "^5.1.0",
@@ -16871,8 +16814,7 @@
     "aes-js": {
       "version": "3.0.0",
       "resolved": "https://registry.npmjs.org/aes-js/-/aes-js-3.0.0.tgz",
-      "integrity": "sha1-4h3xCtbCBTKVvLuNq0Cwnb6ofk0=",
+      "integrity": "sha1-4h3xCtbCBTKVvLuNq0Cwnb6ofk0="
-      "dev": true
     },
     "agent-base": {
       "version": "6.0.2",
@@ -17059,8 +17001,7 @@
     "bech32": {
       "version": "1.1.4",
       "resolved": "https://registry.npmjs.org/bech32/-/bech32-1.1.4.tgz",
-      "integrity": "sha512-s0IrSOzLlbvX7yp4WBfPITzpAU8sqQcpsmwXDiKwrG4r491vwCO/XpejasRNl0piBMe/DvP4Tz0mIS/X1DPJBQ==",
+      "integrity": "sha512-s0IrSOzLlbvX7yp4WBfPITzpAU8sqQcpsmwXDiKwrG4r491vwCO/XpejasRNl0piBMe/DvP4Tz0mIS/X1DPJBQ=="
-      "dev": true
     },
     "binary-extensions": {
       "version": "2.2.0",
@@ -17807,7 +17748,6 @@
       "version": "5.1.0",
       "resolved": "https://registry.npmjs.org/ethers/-/ethers-5.1.0.tgz",
       "integrity": "sha512-2L6Ge6wMBw02FlRoCLg4E0Elt3khMNlW6ULawa10mMeeZToYJ5+uCfiuTuB+XZ6om1Y7wuO9ZzezP8FsU2M/+g==",
-      "dev": true,
       "requires": {
         "@ethersproject/abi": "5.1.0",
         "@ethersproject/abstract-provider": "5.1.0",
@@ -19810,7 +19750,7 @@
           "version": "2.2.3",
           "dev": true,
           "requires": {
-            "node-fetch": "^2.6.7",
+            "node-fetch": "2.1.2",
             "whatwg-fetch": "2.0.4"
           }
         },
@@ -21621,7 +21561,7 @@
           "version": "4.1.0",
           "dev": true,
           "requires": {
-            "node-fetch": "^2.6.7"
+            "node-fetch": "~1.7.1"
           },
           "dependencies": {
             "is-stream": {
@@ -21629,7 +21569,7 @@
               "dev": true
             },
             "node-fetch": {
-              "version": "2.6.7",
+              "version": "1.7.3",
               "dev": true,
               "requires": {
                 "encoding": "^0.1.11",
@@ -22827,7 +22767,7 @@
           "dev": true
         },
         "node-fetch": {
-          "version": "2.6.7",
+          "version": "2.1.2",
           "dev": true
         },
         "node-gyp-build": {
@@ -26969,6 +26909,14 @@
         }
       }
     },
+    "solidity-create2-deployer": {
+      "version": "0.4.0",
+      "resolved": "https://registry.npmjs.org/solidity-create2-deployer/-/solidity-create2-deployer-0.4.0.tgz",
+      "integrity": "sha512-bB5d8fPt4dWsOoRodrsyfWKcjiv77IFl84+e6EckMMGYlfL2ZFqUoMz6tnqqiUFrM9abF1p6dWFOgJ/3zVc8yQ==",
+      "requires": {
+        "ethers": "^5.0.14"
+      }
+    },
     "sonic-boom": {
       "version": "1.4.1",
       "resolved": "https://registry.npmjs.org/sonic-boom/-/sonic-boom-1.4.1.tgz",

test/contract/package.json

@@ -15,7 +15,8 @@
   "dependencies": {
     "@openzeppelin/contracts": "^4.0.0",
     "fastify": "^3.14.2",
-    "hardhat": "^2.2.0"
+    "hardhat": "^2.2.0",
+    "solidity-create2-deployer": "^0.4.0"
   },
   "devDependencies": {
     "@nomiclabs/hardhat-ethers": "^2.0.2",

test/contract/src/index.js

@@ -1,6 +1,14 @@
 const fastify = require('fastify')({ logger: true });
 const hre = require("hardhat");
 
+const {
+    deployContract,
+    isDeployed
+} = require("solidity-create2-deployer");
+
+const { getStorageSlotKey, deployCreate2Factory } = require('./utils');
+
+const CREATE2_FACTORY_ADDRESS = '0x4a27c059FD7E383854Ea7DE6Be9c390a795f6eE3'
 
 // readiness check
 fastify.get('/v1/healthz', async (req, reply) => {
@@ -63,6 +71,109 @@ fastify.get('/v1/sendEth', async (req, reply) => {
     }
 });
 
+fastify.get('/v1/deploySLVContract', async (req, reply) => {
+    const SLVToken = await hre.ethers.getContractFactory("SLVToken");
+    const token = await SLVToken.deploy();
+    const receipt = await token.deployTransaction.wait();
+
+    return {
+        address: token.address,
+        txHash: token.deployTransaction.hash,
+        blockNumber: receipt.blockNumber,
+        blockHash: receipt.blockHash,
+    }
+});
+
+fastify.get('/v1/destroySLVContract', async (req, reply) => {
+    const addr = req.query.addr;
+
+    const SLVToken = await hre.ethers.getContractFactory("SLVToken");
+    const token = SLVToken.attach(addr);
+
+    const tx = await token.destroy();
+    const receipt = await tx.wait();
+
+    return {
+        blockNumber: receipt.blockNumber,
+    }
+})
+
+fastify.get('/v1/incrementCountA', async (req, reply) => {
+    const addr = req.query.addr;
+
+    const SLVToken = await hre.ethers.getContractFactory("SLVToken");
+    const token = await SLVToken.attach(addr);
+
+    const tx = await token.incrementCountA();
+    const receipt = await tx.wait();
+
+    return {
+        blockNumber: receipt.blockNumber,
+    }
+});
+
+fastify.get('/v1/incrementCountB', async (req, reply) => {
+    const addr = req.query.addr;
+
+    const SLVToken = await hre.ethers.getContractFactory("SLVToken");
+    const token = await SLVToken.attach(addr);
+
+    const tx = await token.incrementCountB();
+    const receipt = await tx.wait();
+
+    return {
+        blockNumber: receipt.blockNumber,
+    }
+});
+
+fastify.get('/v1/getStorageKey', async (req, reply) => {
+    const contract = req.query.contract;
+    const label = req.query.label;
+
+    const key = await getStorageSlotKey(contract, label)
+
+    return {
+        key
+    }
+});
+
+fastify.get('/v1/create2Contract', async (req, reply) => {
+    const contract = req.query.contract;
+    const salt = req.query.salt;
+
+    const provider = hre.ethers.provider;
+    const signer = await hre.ethers.getSigner();
+    const isFactoryDeployed = await isDeployed(CREATE2_FACTORY_ADDRESS, provider);
+
+    if (!isFactoryDeployed) {
+        await deployCreate2Factory(provider, signer)
+    }
+
+    const contractFactory = await hre.ethers.getContractFactory(contract);
+    const bytecode = contractFactory.bytecode;
+    const constructorTypes = [];
+    const constructorArgs = [];
+
+    const { txHash, address, receipt } = await deployContract({
+        salt,
+        contractBytecode: bytecode,
+        constructorTypes: constructorTypes,
+        constructorArgs: constructorArgs,
+        signer
+    });
+
+    const success = await isDeployed(address, provider);
+
+    if (success) {
+        return {
+            address,
+            txHash,
+            blockNumber: receipt.blockNumber,
+            blockHash: receipt.blockHash,
+        }
+    }
+});
+
 async function main() {
     try {
         await fastify.listen(3000, '0.0.0.0');

test/contract/src/utils.js

@@ -0,0 +1,54 @@
+const { artifacts } = require("hardhat")
+const { utils, BigNumber } = require("ethers")
+const { deployFactory } = require("solidity-create2-deployer");
+
+const CREATE2_FACTORY_ACCOUNT = '0x2287Fa6efdEc6d8c3E0f4612ce551dEcf89A357A';
+
+async function getStorageLayout(contractName) {
+  const artifact = await artifacts.readArtifact(contractName);
+  const buildInfo = await artifacts.getBuildInfo(`${artifact.sourceName}:${artifact.contractName}`);
+
+  if (!buildInfo) {
+    throw new Error('storageLayout not present in compiler output.');
+  }
+
+  const output = buildInfo.output;
+  const { storageLayout } = output.contracts[artifact.sourceName][artifact.contractName];
+
+  if (!storageLayout) {
+    throw new Error('Contract hasn\'t been compiled.');
+  }
+
+  return storageLayout;
+};
+
+async function getStorageSlotKey(contractName, variableName) {
+  storageLayout = await getStorageLayout(contractName)
+
+  const { storage } = storageLayout;
+  const targetState = storage.find((state) => state.label === variableName);
+
+  // Throw if state variable could not be found in storage layout.
+  if (!targetState) {
+    throw new Error('Variable not present in storage layout.');
+  }
+
+  key = utils.hexlify(BigNumber.from(targetState.slot));
+  return key
+};
+
+async function deployCreate2Factory(provider, signer) {
+  // Send eth to account as required to deploy create2 factory contract.
+  let tx = {
+    to: CREATE2_FACTORY_ACCOUNT,
+    value: utils.parseEther('0.01')
+  }
+
+  const txResponse = await signer.sendTransaction(tx);
+  await txResponse.wait()
+
+  // Deploy create2 factory contract.
+  await deployFactory(provider)
+}
+
+module.exports = { getStorageSlotKey, deployCreate2Factory }

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/pkg/eth"
+	"github.com/cerc-io/ipld-eth-server/v4/pkg/eth"
-	integration "github.com/vulcanize/ipld-eth-server/test"
+	integration "github.com/cerc-io/ipld-eth-server/v4/test"
 )
 
 var _ = Describe("Integration test", func() {
@@ -38,11 +38,14 @@ var _ = Describe("Integration test", func() {
 	var txErr error
 	sleepInterval := 2 * time.Second
 
-	Describe("get Block", func() {
 	BeforeEach(func() {
 		if !directProxyEthCalls {
 			Skip("skipping direct-proxy-forwarding integration tests")
 		}
+	})
+
+	Describe("get Block", func() {
+		BeforeEach(func() {
 			contract, contractErr = integration.DeployContract()
 			time.Sleep(sleepInterval)
 		})
@@ -94,9 +97,6 @@ var _ = Describe("Integration test", func() {
 
 	Describe("Transaction", func() {
 		BeforeEach(func() {
-			if !directProxyEthCalls {
-				Skip("skipping direct-proxy-forwarding integration tests")
-			}
 			contract, contractErr = integration.DeployContract()
 			time.Sleep(sleepInterval)
 		})
@@ -122,9 +122,6 @@ var _ = Describe("Integration test", func() {
 
 	Describe("Receipt", func() {
 		BeforeEach(func() {
-			if !directProxyEthCalls {
-				Skip("skipping direct-proxy-forwarding integration tests")
-			}
 			contract, contractErr = integration.DeployContract()
 			time.Sleep(sleepInterval)
 		})
@@ -142,9 +139,6 @@ var _ = Describe("Integration test", func() {
 
 	Describe("FilterLogs", func() {
 		BeforeEach(func() {
-			if !directProxyEthCalls {
-				Skip("skipping direct-proxy-forwarding integration tests")
-			}
 			contract, contractErr = integration.DeployContract()
 			time.Sleep(sleepInterval)
 		})
@@ -174,9 +168,6 @@ var _ = Describe("Integration test", func() {
 
 	Describe("CodeAt", func() {
 		BeforeEach(func() {
-			if !directProxyEthCalls {
-				Skip("skipping direct-proxy-forwarding integration tests")
-			}
 			contract, contractErr = integration.DeployContract()
 			time.Sleep(sleepInterval)
 		})
@@ -224,9 +215,6 @@ var _ = Describe("Integration test", func() {
 	Describe("Get balance", func() {
 		address := "0x1111111111111111111111111111111111111112"
 		BeforeEach(func() {
-			if !directProxyEthCalls {
-				Skip("skipping direct-proxy-forwarding integration tests")
-			}
 			tx, txErr = integration.SendEth(address, "0.01")
 			time.Sleep(sleepInterval)
 		})
@@ -286,9 +274,6 @@ var _ = Describe("Integration test", func() {
 
 	Describe("Get Storage", func() {
 		BeforeEach(func() {
-			if !directProxyEthCalls {
-				Skip("skipping direct-proxy-forwarding integration tests")
-			}
 			contract, contractErr = integration.DeployContract()
 			erc20TotalSupply, bigIntResult = new(big.Int).SetString("1000000000000000000000", 10)
 
@@ -392,9 +377,6 @@ var _ = Describe("Integration test", func() {
 
 	Describe("eth call", func() {
 		BeforeEach(func() {
-			if !directProxyEthCalls {
-				Skip("skipping direct-proxy-forwarding integration tests")
-			}
 			contract, contractErr = integration.DeployContract()
 			erc20TotalSupply, bigIntResult = new(big.Int).SetString("1000000000000000000000", 10)
 
@@ -445,14 +427,11 @@ var _ = Describe("Integration test", func() {
 
 	Describe("Chain ID", func() {
 		It("Check chain id", func() {
-			if !directProxyEthCalls {
-				Skip("skipping direct-proxy-forwarding integration tests")
-			}
 			_, err := gethClient.ChainID(ctx)
 			Expect(err).ToNot(HaveOccurred())
 
 			_, err = ipldClient.ChainID(ctx)
-			Expect(err).To(HaveOccurred())
+			Expect(err).ToNot(HaveOccurred())
 		})
 	})
 })

test/helper.go

@@ -5,6 +5,9 @@ import (
 	"fmt"
 	"math/big"
 	"net/http"
+
+	"github.com/ethereum/go-ethereum/rpc"
+	"github.com/ethereum/go-ethereum/statediff/types"
 )
 
 type ContractDeployed struct {
@@ -27,6 +30,14 @@ type Tx struct {
 	BlockHash       string   `json:"blockHash"`
 }
 
+type StorageKey struct {
+	Key string `json:"key"`
+}
+
+type CountIncremented struct {
+	BlockNumber int64 `json:"blockNumber"`
+}
+
 const srvUrl = "http://localhost:3000"
 
 func DeployContract() (*ContractDeployed, error) {
@@ -77,3 +88,100 @@ func SendEth(to string, value string) (*Tx, error) {
 
 	return &tx, nil
 }
+
+func DeploySLVContract() (*ContractDeployed, error) {
+	res, err := http.Get(fmt.Sprintf("%s/v1/deploySLVContract", srvUrl))
+	if err != nil {
+		return nil, err
+	}
+	defer res.Body.Close()
+
+	var contract ContractDeployed
+
+	decoder := json.NewDecoder(res.Body)
+	err = decoder.Decode(&contract)
+	if err != nil {
+		return nil, err
+	}
+
+	return &contract, nil
+}
+
+func DestroySLVContract(addr string) (*ContractDestroyed, error) {
+	res, err := http.Get(fmt.Sprintf("%s/v1/destroySLVContract?addr=%s", srvUrl, addr))
+	if err != nil {
+		return nil, err
+	}
+	defer res.Body.Close()
+
+	var data ContractDestroyed
+	decoder := json.NewDecoder(res.Body)
+
+	return &data, decoder.Decode(&data)
+}
+
+func IncrementCount(addr string, count string) (*CountIncremented, error) {
+	res, err := http.Get(fmt.Sprintf("%s/v1/incrementCount%s?addr=%s", srvUrl, count, addr))
+	if err != nil {
+		return nil, err
+	}
+
+	var blockNumber CountIncremented
+
+	decoder := json.NewDecoder(res.Body)
+	err = decoder.Decode(&blockNumber)
+	if err != nil {
+		return nil, err
+	}
+
+	return &blockNumber, nil
+}
+
+func GetStorageSlotKey(contract string, label string) (*StorageKey, error) {
+	res, err := http.Get(fmt.Sprintf("%s/v1/getStorageKey?contract=%s&label=%s", srvUrl, contract, label))
+	if err != nil {
+		return nil, err
+	}
+	defer res.Body.Close()
+
+	var key StorageKey
+
+	decoder := json.NewDecoder(res.Body)
+	err = decoder.Decode(&key)
+	if err != nil {
+		return nil, err
+	}
+
+	return &key, nil
+}
+
+func ClearWatchedAddresses(gethRPCClient *rpc.Client) error {
+	gethMethod := "statediff_watchAddress"
+	args := []types.WatchAddressArg{}
+
+	// Clear watched addresses
+	gethErr := gethRPCClient.Call(nil, gethMethod, types.Clear, args)
+	if gethErr != nil {
+		return gethErr
+	}
+
+	return nil
+}
+
+func Create2Contract(contractName string, salt string) (*ContractDeployed, error) {
+	res, err := http.Get(fmt.Sprintf("%s/v1/create2Contract?contract=%s&salt=%s", srvUrl, contractName, salt))
+	if err != nil {
+		return nil, err
+	}
+	defer res.Body.Close()
+
+	var contract ContractDeployed
+
+	decoder := json.NewDecoder(res.Body)
+	err = decoder.Decode(&contract)
+	if err != nil {
+		return nil, err
+	}
+
+	return &contract, nil
+}

test/integration_test.go

@@ -16,8 +16,8 @@ import (
 	. "github.com/onsi/ginkgo"
 	. "github.com/onsi/gomega"
 
-	"github.com/vulcanize/ipld-eth-server/pkg/eth"
+	"github.com/cerc-io/ipld-eth-server/v4/pkg/eth"
-	integration "github.com/vulcanize/ipld-eth-server/test"
+	integration "github.com/cerc-io/ipld-eth-server/v4/test"
 )
 
 const nonExistingBlockHash = "0x111111111111111111111111111111111111111111111111111111111111111"
@@ -49,11 +49,14 @@ var _ = Describe("Integration test", func() {
 	var txErr error
 	sleepInterval := 2 * time.Second
 
-	Describe("get Block", func() {
 	BeforeEach(func() {
 		if directProxyEthCalls {
 			Skip("skipping no-direct-proxy-forwarding integration tests")
 		}
+	})
+
+	Describe("get Block", func() {
+		BeforeEach(func() {
 			contract, contractErr = integration.DeployContract()
 			time.Sleep(sleepInterval)
 		})
@@ -123,9 +126,6 @@ var _ = Describe("Integration test", func() {
 
 	Describe("Transaction", func() {
 		BeforeEach(func() {
-			if directProxyEthCalls {
-				Skip("skipping no-direct-proxy-forwarding integration tests")
-			}
 			contract, contractErr = integration.DeployContract()
 			time.Sleep(sleepInterval)
 		})
@@ -157,9 +157,6 @@ var _ = Describe("Integration test", func() {
 
 	Describe("Receipt", func() {
 		BeforeEach(func() {
-			if directProxyEthCalls {
-				Skip("skipping no-direct-proxy-forwarding integration tests")
-			}
 			contract, contractErr = integration.DeployContract()
 			time.Sleep(sleepInterval)
 		})
@@ -187,9 +184,6 @@ var _ = Describe("Integration test", func() {
 
 	Describe("FilterLogs", func() {
 		BeforeEach(func() {
-			if directProxyEthCalls {
-				Skip("skipping no-direct-proxy-forwarding integration tests")
-			}
 			contract, contractErr = integration.DeployContract()
 			time.Sleep(sleepInterval)
 		})
@@ -220,9 +214,6 @@ var _ = Describe("Integration test", func() {
 
 	Describe("CodeAt", func() {
 		BeforeEach(func() {
-			if directProxyEthCalls {
-				Skip("skipping no-direct-proxy-forwarding integration tests")
-			}
 			contract, contractErr = integration.DeployContract()
 			time.Sleep(sleepInterval)
 		})
@@ -270,9 +261,6 @@ var _ = Describe("Integration test", func() {
 	Describe("Get balance", func() {
 		address := "0x1111111111111111111111111111111111111112"
 		BeforeEach(func() {
-			if directProxyEthCalls {
-				Skip("skipping no-direct-proxy-forwarding integration tests")
-			}
 			tx, txErr = integration.SendEth(address, "0.01")
 			time.Sleep(sleepInterval)
 		})
@@ -335,10 +323,12 @@ var _ = Describe("Integration test", func() {
 	})
 
 	Describe("Get Storage", func() {
+		var slvContract *integration.ContractDeployed
+		var slvCountA *big.Int
+
+		contractSalt := "SLVContractSalt"
+
 		BeforeEach(func() {
-			if directProxyEthCalls {
-				Skip("skipping no-direct-proxy-forwarding integration tests")
-			}
 			contract, contractErr = integration.DeployContract()
 			erc20TotalSupply, bigIntResult = new(big.Int).SetString("1000000000000000000000", 10)
 
@@ -418,12 +408,48 @@ var _ = Describe("Integration test", func() {
 			Expect(gethStorage).To(Equal(ipldStorage))
 		})
 
+		It("get storage for SLV countA after tx", func() {
+			slvContract, contractErr = integration.Create2Contract("SLVToken", contractSalt)
+			Expect(contractErr).ToNot(HaveOccurred())
+			countAIndex := "0x5"
+
+			time.Sleep(sleepInterval)
+
+			gethStorage, err := gethClient.StorageAt(ctx, common.HexToAddress(slvContract.Address), common.HexToHash(countAIndex), nil)
+			Expect(err).ToNot(HaveOccurred())
+
+			gethCountA := new(big.Int).SetBytes(gethStorage)
+			slvCountA = gethCountA
+
+			ipldStorage, err := ipldClient.StorageAt(ctx, common.HexToAddress(slvContract.Address), common.HexToHash(countAIndex), nil)
+			Expect(err).ToNot(HaveOccurred())
+
+			ipldCountA := new(big.Int).SetBytes(ipldStorage)
+			Expect(ipldCountA.String()).To(Equal(slvCountA.String()))
+
+			_, txErr = integration.IncrementCount(slvContract.Address, "A")
+			Expect(txErr).ToNot(HaveOccurred())
+			slvCountA.Add(slvCountA, big.NewInt(1))
+
+			time.Sleep(sleepInterval)
+
+			ipldStorage, err = ipldClient.StorageAt(ctx, common.HexToAddress(slvContract.Address), common.HexToHash(countAIndex), nil)
+			Expect(err).ToNot(HaveOccurred())
+
+			ipldCountA = new(big.Int).SetBytes(ipldStorage)
+			Expect(ipldCountA.String()).To(Equal(slvCountA.String()))
+		})
+
 		It("get storage after self destruct", func() {
 			totalSupplyIndex := "0x2"
+			countAIndex := "0x5"
 
 			tx, err := integration.DestroyContract(contract.Address)
 			Expect(err).ToNot(HaveOccurred())
 
+			slvTx, err := integration.DestroyContract(slvContract.Address)
+			Expect(err).ToNot(HaveOccurred())
+
 			time.Sleep(sleepInterval)
 
 			gethStorage1, err := gethClient.StorageAt(ctx, common.HexToAddress(contract.Address), common.HexToHash(totalSupplyIndex), big.NewInt(tx.BlockNumber-1))
@@ -447,14 +473,44 @@ var _ = Describe("Integration test", func() {
 			Expect(err).ToNot(HaveOccurred())
 
 			Expect(ipldStorage2).To(Equal(ipldStorage3))
+
+			// Check for SLV contract
+			gethStorage, err := gethClient.StorageAt(ctx, common.HexToAddress(slvContract.Address), common.HexToHash(countAIndex), big.NewInt(slvTx.BlockNumber))
+			Expect(err).ToNot(HaveOccurred())
+			Expect(gethStorage).To(Equal(eth.EmptyNodeValue))
+
+			ipldStorage, err := ipldClient.StorageAt(ctx, common.HexToAddress(slvContract.Address), common.HexToHash(countAIndex), big.NewInt(slvTx.BlockNumber))
+			Expect(err).ToNot(HaveOccurred())
+			Expect(ipldStorage).To(Equal(gethStorage))
+
+			slvCountA.Set(big.NewInt(0))
+		})
+
+		It("get storage after redeploying", func() {
+			slvContract, contractErr = integration.Create2Contract("SLVToken", contractSalt)
+			Expect(contractErr).ToNot(HaveOccurred())
+			time.Sleep(sleepInterval)
+
+			countAIndex := "0x5"
+
+			gethStorage, err := gethClient.StorageAt(ctx, common.HexToAddress(slvContract.Address), common.HexToHash(countAIndex), nil)
+			Expect(err).ToNot(HaveOccurred())
+
+			gethCountA := new(big.Int).SetBytes(gethStorage)
+			Expect(gethCountA.String()).To(Equal(slvCountA.String()))
+
+			ipldStorage, err := ipldClient.StorageAt(ctx, common.HexToAddress(slvContract.Address), common.HexToHash(countAIndex), nil)
+			Expect(err).ToNot(HaveOccurred())
+
+			ipldCountA := new(big.Int).SetBytes(ipldStorage)
+			Expect(ipldCountA.String()).To(Equal(slvCountA.String()))
+
+			Expect(gethStorage).To(Equal(ipldStorage))
 		})
 	})
 
 	Describe("eth call", func() {
 		BeforeEach(func() {
-			if directProxyEthCalls {
-				Skip("skipping no-direct-proxy-forwarding integration tests")
-			}
 			contract, contractErr = integration.DeployContract()
 			erc20TotalSupply, bigIntResult = new(big.Int).SetString("1000000000000000000000", 10)
 
@@ -505,9 +561,6 @@ var _ = Describe("Integration test", func() {
 
 	Describe("Chain ID", func() {
 		It("Check chain id", func() {
-			if directProxyEthCalls {
-				Skip("skipping no-direct-proxy-forwarding integration tests")
-			}
 			gethChainId, err := gethClient.ChainID(ctx)
 			Expect(err).ToNot(HaveOccurred())
 
@@ -537,7 +590,7 @@ func compareTxs(tx1 *types.Transaction, tx2 *types.Transaction) {
 	Expect(tx1.Hash()).To(Equal(tx2.Hash()))
 	Expect(tx1.Size()).To(Equal(tx2.Size()))
 
-	signer := types.NewEIP155Signer(big.NewInt(4))
+	signer := types.NewEIP155Signer(big.NewInt(99))
 
 	gethSender, err := types.Sender(signer, tx1)
 	Expect(err).ToNot(HaveOccurred())

test/watch_address_integration_test.go

@@ -0,0 +1,671 @@
+package integration_test
+
+import (
+	"context"
+	"math/big"
+	"os"
+	"strconv"
+	"time"
+
+	"github.com/ethereum/go-ethereum/common"
+	"github.com/ethereum/go-ethereum/ethclient"
+	"github.com/ethereum/go-ethereum/rpc"
+	sdtypes "github.com/ethereum/go-ethereum/statediff/types"
+	. "github.com/onsi/ginkgo"
+	. "github.com/onsi/gomega"
+
+	integration "github.com/cerc-io/ipld-eth-server/v4/test"
+)
+
+var (
+	gethMethod = "statediff_watchAddress"
+	ipldMethod = "vdb_watchAddress"
+
+	sleepInterval = 2 * time.Second
+)
+
+var _ = Describe("WatchAddress integration test", func() {
+	dbWrite, err := strconv.ParseBool(os.Getenv("DB_WRITE"))
+	Expect(err).To(BeNil())
+
+	gethHttpPath := "http://127.0.0.1:8545"
+	gethRPCClient, err := rpc.Dial(gethHttpPath)
+	Expect(err).ToNot(HaveOccurred())
+
+	ipldEthHttpPath := "http://127.0.0.1:8081"
+	ipldClient, err := ethclient.Dial(ipldEthHttpPath)
+	Expect(err).ToNot(HaveOccurred())
+	ipldRPCClient, err := rpc.Dial(ipldEthHttpPath)
+	Expect(err).ToNot(HaveOccurred())
+
+	var (
+		ctx = context.Background()
+
+		txErr       error
+		contractErr error
+		incErr      error
+
+		contract1 *integration.ContractDeployed
+		contract2 *integration.ContractDeployed
+		contract3 *integration.ContractDeployed
+
+		countAIndex string
+
+		prevBalance1 *big.Int
+		prevBalance2 *big.Int
+		prevBalance3 *big.Int
+
+		actualBalance1 *big.Int
+		actualBalance2 *big.Int
+		actualBalance3 *big.Int
+
+		prevCountA1 *big.Int
+		prevCountA2 *big.Int
+		prevCountA3 *big.Int
+
+		actualCountA1 *big.Int
+		actualCountA2 *big.Int
+		actualCountA3 *big.Int
+	)
+
+	BeforeEach(func() {
+		if !dbWrite {
+			Skip("skipping WatchAddress API integration tests")
+		}
+	})
+
+	It("test init", func() {
+		// Deploy three contracts
+		contract1, contractErr = integration.DeploySLVContract()
+		Expect(contractErr).ToNot(HaveOccurred())
+
+		contract2, contractErr = integration.DeploySLVContract()
+		Expect(contractErr).ToNot(HaveOccurred())
+
+		contract3, contractErr = integration.DeploySLVContract()
+		Expect(contractErr).ToNot(HaveOccurred())
+
+		// Get the storage slot key
+		storageSlotAKey, err := integration.GetStorageSlotKey("SLVToken", "countA")
+		Expect(err).ToNot(HaveOccurred())
+		countAIndex = storageSlotAKey.Key
+
+		// Clear out watched addresses
+		err = integration.ClearWatchedAddresses(gethRPCClient)
+		Expect(err).ToNot(HaveOccurred())
+
+		// Get initial balances for all the contracts
+		// Contract 1
+		actualBalance1 = big.NewInt(0)
+		initBalance1, err := ipldClient.BalanceAt(ctx, common.HexToAddress(contract1.Address), nil)
+		Expect(err).ToNot(HaveOccurred())
+		Expect(initBalance1.String()).To(Equal(actualBalance1.String()))
+		prevBalance1 = big.NewInt(0)
+
+		// Contract 2
+		actualBalance2 = big.NewInt(0)
+		initBalance2, err := ipldClient.BalanceAt(ctx, common.HexToAddress(contract2.Address), nil)
+		Expect(err).ToNot(HaveOccurred())
+		Expect(initBalance2.String()).To(Equal(actualBalance2.String()))
+		prevBalance2 = big.NewInt(0)
+
+		// Contract 3
+		actualBalance3 = big.NewInt(0)
+		initBalance3, err := ipldClient.BalanceAt(ctx, common.HexToAddress(contract3.Address), nil)
+		Expect(err).ToNot(HaveOccurred())
+		Expect(initBalance3.String()).To(Equal(actualBalance3.String()))
+		prevBalance3 = big.NewInt(0)
+
+		// Get initial storage values for the contracts
+		// Contract 1, countA
+		actualCountA1 = big.NewInt(0)
+		ipldCountA1Storage, err := ipldClient.StorageAt(ctx, common.HexToAddress(contract1.Address), common.HexToHash(countAIndex), nil)
+		Expect(err).ToNot(HaveOccurred())
+		ipldCountA1 := new(big.Int).SetBytes(ipldCountA1Storage)
+		Expect(ipldCountA1.String()).To(Equal(actualCountA1.String()))
+		prevCountA1 = big.NewInt(0)
+
+		// Contract 2, countA
+		actualCountA2 = big.NewInt(0)
+		ipldCountA2Storage, err := ipldClient.StorageAt(ctx, common.HexToAddress(contract2.Address), common.HexToHash(countAIndex), nil)
+		Expect(err).ToNot(HaveOccurred())
+		ipldCountA2 := new(big.Int).SetBytes(ipldCountA2Storage)
+		Expect(ipldCountA2.String()).To(Equal(actualCountA2.String()))
+		prevCountA2 = big.NewInt(0)
+
+		// Contract 3, countA
+		actualCountA3 = big.NewInt(0)
+		ipldCountA3Storage, err := ipldClient.StorageAt(ctx, common.HexToAddress(contract3.Address), common.HexToHash(countAIndex), nil)
+		Expect(err).ToNot(HaveOccurred())
+		ipldCountA3 := new(big.Int).SetBytes(ipldCountA3Storage)
+		Expect(ipldCountA3.String()).To(Equal(actualCountA2.String()))
+		prevCountA3 = big.NewInt(0)
+	})
+
+	defer It("test cleanup", func() {
+		// Clear out watched addresses
+		err := integration.ClearWatchedAddresses(gethRPCClient)
+		Expect(err).ToNot(HaveOccurred())
+	})
+
+	Context("no contracts being watched", func() {
+		It("indexes state for all the contracts", func() {
+			// WatchedAddresses = []
+			// Send eth to all three contract accounts
+			// Contract 1
+			_, txErr = integration.SendEth(contract1.Address, "0.01")
+			time.Sleep(sleepInterval)
+			Expect(txErr).ToNot(HaveOccurred())
+			actualBalance1.Add(actualBalance1, big.NewInt(10000000000000000))
+
+			balance1AfterTransfer, err := ipldClient.BalanceAt(ctx, common.HexToAddress(contract1.Address), nil)
+			Expect(err).ToNot(HaveOccurred())
+			Expect(balance1AfterTransfer.String()).To(Equal(actualBalance1.String()))
+			prevBalance1.Set(actualBalance1)
+
+			// Contract 2
+			_, txErr = integration.SendEth(contract2.Address, "0.01")
+			time.Sleep(sleepInterval)
+			Expect(txErr).ToNot(HaveOccurred())
+			actualBalance2.Add(actualBalance2, big.NewInt(10000000000000000))
+
+			balance2AfterTransfer, err := ipldClient.BalanceAt(ctx, common.HexToAddress(contract2.Address), nil)
+			Expect(err).ToNot(HaveOccurred())
+			Expect(balance2AfterTransfer.String()).To(Equal(actualBalance2.String()))
+			prevBalance2.Set(actualBalance2)
+
+			// Contract 3
+			_, txErr = integration.SendEth(contract3.Address, "0.01")
+			time.Sleep(sleepInterval)
+			Expect(txErr).ToNot(HaveOccurred())
+			actualBalance3.Add(actualBalance3, big.NewInt(10000000000000000))
+
+			balance3AfterTransfer, err := ipldClient.BalanceAt(ctx, common.HexToAddress(contract3.Address), nil)
+			Expect(err).ToNot(HaveOccurred())
+			Expect(balance3AfterTransfer.String()).To(Equal(actualBalance3.String()))
+			prevBalance3.Set(actualBalance3)
+
+			// Increment counts
+			// Contract 1, countA
+			_, incErr = integration.IncrementCount(contract1.Address, "A")
+			time.Sleep(sleepInterval)
+			Expect(incErr).ToNot(HaveOccurred())
+			actualCountA1.Add(actualCountA1, big.NewInt(1))
+
+			countA1AfterIncrementStorage, err := ipldClient.StorageAt(ctx, common.HexToAddress(contract1.Address), common.HexToHash(countAIndex), nil)
+			Expect(err).ToNot(HaveOccurred())
+			countA1AfterIncrement := new(big.Int).SetBytes(countA1AfterIncrementStorage)
+			Expect(countA1AfterIncrement.String()).To(Equal(actualCountA1.String()))
+			prevCountA1.Set(actualCountA1)
+
+			// Contract 2, countA
+			_, incErr = integration.IncrementCount(contract2.Address, "A")
+			time.Sleep(sleepInterval)
+			Expect(incErr).ToNot(HaveOccurred())
+			actualCountA2.Add(actualCountA2, big.NewInt(1))
+
+			countA2AfterIncrementStorage, err := ipldClient.StorageAt(ctx, common.HexToAddress(contract2.Address), common.HexToHash(countAIndex), nil)
+			Expect(err).ToNot(HaveOccurred())
+			countA2AfterIncrement := new(big.Int).SetBytes(countA2AfterIncrementStorage)
+			Expect(countA2AfterIncrement.String()).To(Equal(actualCountA2.String()))
+			prevCountA2.Set(actualCountA2)
+
+			// Contract 3, countA
+			_, incErr = integration.IncrementCount(contract3.Address, "A")
+			time.Sleep(sleepInterval)
+			Expect(incErr).ToNot(HaveOccurred())
+			actualCountA3.Add(actualCountA3, big.NewInt(1))
+
+			countA3AfterIncrementStorage, err := ipldClient.StorageAt(ctx, common.HexToAddress(contract3.Address), common.HexToHash(countAIndex), nil)
+			Expect(err).ToNot(HaveOccurred())
+			countA3AfterIncrement := new(big.Int).SetBytes(countA3AfterIncrementStorage)
+			Expect(countA3AfterIncrement.String()).To(Equal(actualCountA3.String()))
+			prevCountA3.Set(actualCountA3)
+		})
+	})
+
+	Context("one contract being watched", func() {
+		It("indexes state only for the watched contract", func() {
+			operation := sdtypes.Add
+			args := []sdtypes.WatchAddressArg{
+				{
+					Address:   contract1.Address,
+					CreatedAt: uint64(contract1.BlockNumber),
+				},
+			}
+			ipldErr := ipldRPCClient.Call(nil, ipldMethod, operation, args)
+			Expect(ipldErr).ToNot(HaveOccurred())
+
+			// WatchedAddresses = [Contract1]
+			// Send eth to all three contract accounts
+			// Contract 1
+			_, txErr = integration.SendEth(contract1.Address, "0.01")
+			time.Sleep(sleepInterval)
+			Expect(txErr).ToNot(HaveOccurred())
+			actualBalance1.Add(actualBalance1, big.NewInt(10000000000000000))
+
+			balance1AfterTransfer, err := ipldClient.BalanceAt(ctx, common.HexToAddress(contract1.Address), nil)
+			Expect(err).ToNot(HaveOccurred())
+			Expect(balance1AfterTransfer.String()).To(Equal(actualBalance1.String()))
+			prevBalance1.Set(actualBalance1)
+
+			// Contract 2
+			_, txErr = integration.SendEth(contract2.Address, "0.01")
+			time.Sleep(sleepInterval)
+			Expect(txErr).ToNot(HaveOccurred())
+			actualBalance2.Add(actualBalance2, big.NewInt(10000000000000000))
+
+			balance2AfterTransfer, err := ipldClient.BalanceAt(ctx, common.HexToAddress(contract2.Address), nil)
+			Expect(err).ToNot(HaveOccurred())
+			Expect(balance2AfterTransfer.String()).To(Equal(prevBalance2.String()))
+
+			// Contract 3
+			_, txErr = integration.SendEth(contract3.Address, "0.01")
+			time.Sleep(sleepInterval)
+			Expect(txErr).ToNot(HaveOccurred())
+			actualBalance3.Add(actualBalance3, big.NewInt(10000000000000000))
+
+			balance3AfterTransfer, err := ipldClient.BalanceAt(ctx, common.HexToAddress(contract3.Address), nil)
+			Expect(err).ToNot(HaveOccurred())
+			Expect(balance3AfterTransfer.String()).To(Equal(prevBalance3.String()))
+
+			// Increment counts
+			// Contract 1, countA
+			_, incErr = integration.IncrementCount(contract1.Address, "A")
+			time.Sleep(sleepInterval)
+			Expect(incErr).ToNot(HaveOccurred())
+			actualCountA1.Add(actualCountA1, big.NewInt(1))
+
+			countA1AfterIncrementStorage, err := ipldClient.StorageAt(ctx, common.HexToAddress(contract1.Address), common.HexToHash(countAIndex), nil)
+			Expect(err).ToNot(HaveOccurred())
+			countA1AfterIncrement := new(big.Int).SetBytes(countA1AfterIncrementStorage)
+			Expect(countA1AfterIncrement.String()).To(Equal(actualCountA1.String()))
+			prevCountA1.Set(actualCountA1)
+
+			// Contract 2, countA
+			_, incErr = integration.IncrementCount(contract2.Address, "A")
+			time.Sleep(sleepInterval)
+			Expect(incErr).ToNot(HaveOccurred())
+			actualCountA2.Add(actualCountA2, big.NewInt(1))
+
+			countA2AfterIncrementStorage, err := ipldClient.StorageAt(ctx, common.HexToAddress(contract2.Address), common.HexToHash(countAIndex), nil)
+			Expect(err).ToNot(HaveOccurred())
+			countA2AfterIncrement := new(big.Int).SetBytes(countA2AfterIncrementStorage)
+			Expect(countA2AfterIncrement.String()).To(Equal(prevCountA2.String()))
+
+			// Contract 3, countA
+			_, incErr = integration.IncrementCount(contract3.Address, "A")
+			time.Sleep(sleepInterval)
+			Expect(incErr).ToNot(HaveOccurred())
+			actualCountA3.Add(actualCountA3, big.NewInt(1))
+
+			countA3AfterIncrementStorage, err := ipldClient.StorageAt(ctx, common.HexToAddress(contract3.Address), common.HexToHash(countAIndex), nil)
+			Expect(err).ToNot(HaveOccurred())
+			countA3AfterIncrement := new(big.Int).SetBytes(countA3AfterIncrementStorage)
+			Expect(countA3AfterIncrement.String()).To(Equal(prevCountA3.String()))
+		})
+	})
+
+	Context("contract added to a non-empty watch-list", func() {
+		It("indexes state only for the watched contracts", func() {
+			operation := sdtypes.Add
+			args := []sdtypes.WatchAddressArg{
+				{
+					Address:   contract2.Address,
+					CreatedAt: uint64(contract2.BlockNumber),
+				},
+			}
+			ipldErr := ipldRPCClient.Call(nil, ipldMethod, operation, args)
+			Expect(ipldErr).ToNot(HaveOccurred())
+
+			// WatchedAddresses = [Contract1, Contract2]
+			// Send eth to all three contract accounts
+			// Contract 1
+			_, txErr = integration.SendEth(contract1.Address, "0.01")
+			time.Sleep(sleepInterval)
+			Expect(txErr).ToNot(HaveOccurred())
+			actualBalance1.Add(actualBalance1, big.NewInt(10000000000000000))
+
+			balance1AfterTransfer, err := ipldClient.BalanceAt(ctx, common.HexToAddress(contract1.Address), nil)
+			Expect(err).ToNot(HaveOccurred())
+			Expect(balance1AfterTransfer.String()).To(Equal(actualBalance1.String()))
+			prevBalance1.Set(actualBalance1)
+
+			// Contract 2
+			_, txErr = integration.SendEth(contract2.Address, "0.01")
+			time.Sleep(sleepInterval)
+			Expect(txErr).ToNot(HaveOccurred())
+			actualBalance2.Add(actualBalance2, big.NewInt(10000000000000000))
+
+			balance2AfterTransfer, err := ipldClient.BalanceAt(ctx, common.HexToAddress(contract2.Address), nil)
+			Expect(err).ToNot(HaveOccurred())
+			Expect(balance2AfterTransfer.String()).To(Equal(actualBalance2.String()))
+			prevBalance2.Set(actualBalance2)
+
+			// Contract 3
+			_, txErr = integration.SendEth(contract3.Address, "0.01")
+			time.Sleep(sleepInterval)
+			Expect(txErr).ToNot(HaveOccurred())
+			actualBalance3.Add(actualBalance3, big.NewInt(10000000000000000))
+
+			balance3AfterTransfer, err := ipldClient.BalanceAt(ctx, common.HexToAddress(contract3.Address), nil)
+			Expect(err).ToNot(HaveOccurred())
+			Expect(balance3AfterTransfer.String()).To(Equal(prevBalance3.String()))
+
+			// Increment counts
+			// Contract 1, countA
+			_, incErr = integration.IncrementCount(contract1.Address, "A")
+			time.Sleep(sleepInterval)
+			Expect(incErr).ToNot(HaveOccurred())
+			actualCountA1.Add(actualCountA1, big.NewInt(1))
+
+			countA1AfterIncrementStorage, err := ipldClient.StorageAt(ctx, common.HexToAddress(contract1.Address), common.HexToHash(countAIndex), nil)
+			Expect(err).ToNot(HaveOccurred())
+			countA1AfterIncrement := new(big.Int).SetBytes(countA1AfterIncrementStorage)
+			Expect(countA1AfterIncrement.String()).To(Equal(actualCountA1.String()))
+			prevCountA1.Set(actualCountA1)
+
+			// Contract 2, countA
+			_, incErr = integration.IncrementCount(contract2.Address, "A")
+			time.Sleep(sleepInterval)
+			Expect(incErr).ToNot(HaveOccurred())
+			actualCountA2.Add(actualCountA2, big.NewInt(1))
+
+			countA2AfterIncrementStorage, err := ipldClient.StorageAt(ctx, common.HexToAddress(contract2.Address), common.HexToHash(countAIndex), nil)
+			Expect(err).ToNot(HaveOccurred())
+			countA2AfterIncrement := new(big.Int).SetBytes(countA2AfterIncrementStorage)
+			Expect(countA2AfterIncrement.String()).To(Equal(actualCountA2.String()))
+			prevCountA2.Set(actualCountA2)
+
+			// Contract 3, countA
+			_, incErr = integration.IncrementCount(contract3.Address, "A")
+			time.Sleep(sleepInterval)
+			Expect(incErr).ToNot(HaveOccurred())
+			actualCountA3.Add(actualCountA3, big.NewInt(1))
+
+			countA3AfterIncrementStorage, err := ipldClient.StorageAt(ctx, common.HexToAddress(contract3.Address), common.HexToHash(countAIndex), nil)
+			Expect(err).ToNot(HaveOccurred())
+			countA3AfterIncrement := new(big.Int).SetBytes(countA3AfterIncrementStorage)
+			Expect(countA3AfterIncrement.String()).To(Equal(prevCountA3.String()))
+		})
+	})
+
+	Context("contract removed from the watch-list", func() {
+		It("indexes state only for the watched contract", func() {
+			operation := sdtypes.Remove
+			args := []sdtypes.WatchAddressArg{
+				{
+					Address:   contract1.Address,
+					CreatedAt: uint64(contract1.BlockNumber),
+				},
+			}
+			ipldErr := ipldRPCClient.Call(nil, ipldMethod, operation, args)
+			Expect(ipldErr).ToNot(HaveOccurred())
+
+			// WatchedAddresses = [Contract2]
+			// Send eth to all three contract accounts
+			// Contract 1
+			_, txErr = integration.SendEth(contract1.Address, "0.01")
+			time.Sleep(sleepInterval)
+			Expect(txErr).ToNot(HaveOccurred())
+			actualBalance1.Add(actualBalance1, big.NewInt(10000000000000000))
+
+			balance1AfterTransfer, err := ipldClient.BalanceAt(ctx, common.HexToAddress(contract1.Address), nil)
+			Expect(err).ToNot(HaveOccurred())
+			Expect(balance1AfterTransfer.String()).To(Equal(prevBalance1.String()))
+
+			// Contract 2
+			_, txErr = integration.SendEth(contract2.Address, "0.01")
+			time.Sleep(sleepInterval)
+			Expect(txErr).ToNot(HaveOccurred())
+			actualBalance2.Add(actualBalance2, big.NewInt(10000000000000000))
+
+			balance2AfterTransfer, err := ipldClient.BalanceAt(ctx, common.HexToAddress(contract2.Address), nil)
+			Expect(err).ToNot(HaveOccurred())
+			Expect(balance2AfterTransfer.String()).To(Equal(actualBalance2.String()))
+			prevBalance2.Set(actualBalance2)
+
+			// Contract 3
+			_, txErr = integration.SendEth(contract3.Address, "0.01")
+			time.Sleep(sleepInterval)
+			Expect(txErr).ToNot(HaveOccurred())
+			actualBalance3.Add(actualBalance3, big.NewInt(10000000000000000))
+
+			balance3AfterTransfer, err := ipldClient.BalanceAt(ctx, common.HexToAddress(contract3.Address), nil)
+			Expect(err).ToNot(HaveOccurred())
+			Expect(balance3AfterTransfer.String()).To(Equal(prevBalance3.String()))
+
+			// Increment counts
+			// Contract 1, countA
+			_, incErr = integration.IncrementCount(contract1.Address, "A")
+			time.Sleep(sleepInterval)
+			Expect(incErr).ToNot(HaveOccurred())
+			actualCountA1.Add(actualCountA1, big.NewInt(1))
+
+			countA1AfterIncrementStorage, err := ipldClient.StorageAt(ctx, common.HexToAddress(contract1.Address), common.HexToHash(countAIndex), nil)
+			Expect(err).ToNot(HaveOccurred())
+			countA1AfterIncrement := new(big.Int).SetBytes(countA1AfterIncrementStorage)
+			Expect(countA1AfterIncrement.String()).To(Equal(prevCountA1.String()))
+
+			// Contract 2, countA
+			_, incErr = integration.IncrementCount(contract2.Address, "A")
+			time.Sleep(sleepInterval)
+			Expect(incErr).ToNot(HaveOccurred())
+			actualCountA2.Add(actualCountA2, big.NewInt(1))
+
+			countA2AfterIncrementStorage, err := ipldClient.StorageAt(ctx, common.HexToAddress(contract2.Address), common.HexToHash(countAIndex), nil)
+			Expect(err).ToNot(HaveOccurred())
+			countA2AfterIncrement := new(big.Int).SetBytes(countA2AfterIncrementStorage)
+			Expect(countA2AfterIncrement.String()).To(Equal(actualCountA2.String()))
+			prevCountA2.Set(actualCountA2)
+
+			// Contract 3, countA
+			_, incErr = integration.IncrementCount(contract3.Address, "A")
+			time.Sleep(sleepInterval)
+			Expect(incErr).ToNot(HaveOccurred())
+			actualCountA3.Add(actualCountA3, big.NewInt(1))
+
+			countA3AfterIncrementStorage, err := ipldClient.StorageAt(ctx, common.HexToAddress(contract3.Address), common.HexToHash(countAIndex), nil)
+			Expect(err).ToNot(HaveOccurred())
+			countA3AfterIncrement := new(big.Int).SetBytes(countA3AfterIncrementStorage)
+			Expect(countA3AfterIncrement.String()).To(Equal(prevCountA3.String()))
+		})
+	})
+
+	Context("list of watched addresses set", func() {
+		It("indexes state only for the watched contracts", func() {
+			operation := sdtypes.Set
+			args := []sdtypes.WatchAddressArg{
+				{
+					Address:   contract1.Address,
+					CreatedAt: uint64(contract1.BlockNumber),
+				},
+				{
+					Address:   contract3.Address,
+					CreatedAt: uint64(contract3.BlockNumber),
+				},
+			}
+			ipldErr := ipldRPCClient.Call(nil, ipldMethod, operation, args)
+			Expect(ipldErr).ToNot(HaveOccurred())
+
+			// WatchedAddresses = [Contract1, Contract3]
+			// Send eth to all three contract accounts
+			// Contract 1
+			_, txErr = integration.SendEth(contract1.Address, "0.01")
+			time.Sleep(sleepInterval)
+			Expect(txErr).ToNot(HaveOccurred())
+			actualBalance1.Add(actualBalance1, big.NewInt(10000000000000000))
+
+			balance1AfterTransfer, err := ipldClient.BalanceAt(ctx, common.HexToAddress(contract1.Address), nil)
+			Expect(err).ToNot(HaveOccurred())
+			Expect(balance1AfterTransfer.String()).To(Equal(actualBalance1.String()))
+			prevBalance1.Set(actualBalance1)
+
+			// Contract 2
+			_, txErr = integration.SendEth(contract2.Address, "0.01")
+			time.Sleep(sleepInterval)
+			Expect(txErr).ToNot(HaveOccurred())
+			actualBalance2.Add(actualBalance2, big.NewInt(10000000000000000))
+
+			balance2AfterTransfer, err := ipldClient.BalanceAt(ctx, common.HexToAddress(contract2.Address), nil)
+			Expect(err).ToNot(HaveOccurred())
+			Expect(balance2AfterTransfer.String()).To(Equal(prevBalance2.String()))
+
+			// Contract 3
+			_, txErr = integration.SendEth(contract3.Address, "0.01")
+			time.Sleep(sleepInterval)
+			Expect(txErr).ToNot(HaveOccurred())
+			actualBalance3.Add(actualBalance3, big.NewInt(10000000000000000))
+
+			balance3AfterTransfer, err := ipldClient.BalanceAt(ctx, common.HexToAddress(contract3.Address), nil)
+			Expect(err).ToNot(HaveOccurred())
+			Expect(balance3AfterTransfer.String()).To(Equal(actualBalance3.String()))
+			prevBalance3.Set(actualBalance3)
+
+			// Increment counts
+			// Contract 1, countA
+			_, incErr = integration.IncrementCount(contract1.Address, "A")
+			time.Sleep(sleepInterval)
+			Expect(incErr).ToNot(HaveOccurred())
+			actualCountA1.Add(actualCountA1, big.NewInt(1))
+
+			countA1AfterIncrementStorage, err := ipldClient.StorageAt(ctx, common.HexToAddress(contract1.Address), common.HexToHash(countAIndex), nil)
+			Expect(err).ToNot(HaveOccurred())
+			countA1AfterIncrement := new(big.Int).SetBytes(countA1AfterIncrementStorage)
+			Expect(countA1AfterIncrement.String()).To(Equal(actualCountA1.String()))
+			prevCountA1.Set(actualCountA1)
+
+			// Contract 2, countA
+			_, incErr = integration.IncrementCount(contract2.Address, "A")
+			time.Sleep(sleepInterval)
+			Expect(incErr).ToNot(HaveOccurred())
+			actualCountA2.Add(actualCountA2, big.NewInt(1))
+
+			countA2AfterIncrementStorage, err := ipldClient.StorageAt(ctx, common.HexToAddress(contract2.Address), common.HexToHash(countAIndex), nil)
+			Expect(err).ToNot(HaveOccurred())
+			countA2AfterIncrement := new(big.Int).SetBytes(countA2AfterIncrementStorage)
+			Expect(countA2AfterIncrement.String()).To(Equal(prevCountA2.String()))
+
+			// Contract 3, countA
+			_, incErr = integration.IncrementCount(contract3.Address, "A")
+			time.Sleep(sleepInterval)
+			Expect(incErr).ToNot(HaveOccurred())
+			actualCountA3.Add(actualCountA3, big.NewInt(1))
+
+			countA3AfterIncrementStorage, err := ipldClient.StorageAt(ctx, common.HexToAddress(contract3.Address), common.HexToHash(countAIndex), nil)
+			Expect(err).ToNot(HaveOccurred())
+			countA3AfterIncrement := new(big.Int).SetBytes(countA3AfterIncrementStorage)
+			Expect(countA3AfterIncrement.String()).To(Equal(actualCountA3.String()))
+			prevCountA3.Set(actualCountA3)
+		})
+	})
+
+	Context("list of watched addresses cleared", func() {
+		It("indexes state for all the contracts", func() {
+			operation := sdtypes.Clear
+			args := []sdtypes.WatchAddressArg{}
+			ipldErr := ipldRPCClient.Call(nil, ipldMethod, operation, args)
+			Expect(ipldErr).ToNot(HaveOccurred())
+
+			// WatchedAddresses = []
+			// Send eth to all three contract accounts
+			// Contract 1
+			_, txErr = integration.SendEth(contract1.Address, "0.01")
+			time.Sleep(sleepInterval)
+			Expect(txErr).ToNot(HaveOccurred())
+			actualBalance1.Add(actualBalance1, big.NewInt(10000000000000000))
+
+			balance1AfterTransfer, err := ipldClient.BalanceAt(ctx, common.HexToAddress(contract1.Address), nil)
+			Expect(err).ToNot(HaveOccurred())
+			Expect(balance1AfterTransfer.String()).To(Equal(actualBalance1.String()))
+			prevBalance1.Set(actualBalance1)
+
+			// Contract 2
+			_, txErr = integration.SendEth(contract2.Address, "0.01")
+			time.Sleep(sleepInterval)
+			Expect(txErr).ToNot(HaveOccurred())
+			actualBalance2.Add(actualBalance2, big.NewInt(10000000000000000))
+
+			balance2AfterTransfer, err := ipldClient.BalanceAt(ctx, common.HexToAddress(contract2.Address), nil)
+			Expect(err).ToNot(HaveOccurred())
+			Expect(balance2AfterTransfer.String()).To(Equal(actualBalance2.String()))
+			prevBalance2.Set(actualBalance2)
+
+			// Contract 3
+			_, txErr = integration.SendEth(contract3.Address, "0.01")
+			time.Sleep(sleepInterval)
+			Expect(txErr).ToNot(HaveOccurred())
+			actualBalance3.Add(actualBalance3, big.NewInt(10000000000000000))
+
+			balance3AfterTransfer, err := ipldClient.BalanceAt(ctx, common.HexToAddress(contract3.Address), nil)
+			Expect(err).ToNot(HaveOccurred())
+			Expect(balance3AfterTransfer.String()).To(Equal(actualBalance3.String()))
+			prevBalance3.Set(actualBalance3)
+
+			// Increment counts
+			// Contract 1, countA
+			_, incErr = integration.IncrementCount(contract1.Address, "A")
+			time.Sleep(sleepInterval)
+			Expect(incErr).ToNot(HaveOccurred())
+			actualCountA1.Add(actualCountA1, big.NewInt(1))
+
+			countA1AfterIncrementStorage, err := ipldClient.StorageAt(ctx, common.HexToAddress(contract1.Address), common.HexToHash(countAIndex), nil)
+			Expect(err).ToNot(HaveOccurred())
+			countA1AfterIncrement := new(big.Int).SetBytes(countA1AfterIncrementStorage)
+			Expect(countA1AfterIncrement.String()).To(Equal(actualCountA1.String()))
+			prevCountA1.Set(actualCountA1)
+
+			// Contract 2, countA
+			_, incErr = integration.IncrementCount(contract2.Address, "A")
+			time.Sleep(sleepInterval)
+			Expect(incErr).ToNot(HaveOccurred())
+			actualCountA2.Add(actualCountA2, big.NewInt(1))
+
+			countA2AfterIncrementStorage, err := ipldClient.StorageAt(ctx, common.HexToAddress(contract2.Address), common.HexToHash(countAIndex), nil)
+			Expect(err).ToNot(HaveOccurred())
+			countA2AfterIncrement := new(big.Int).SetBytes(countA2AfterIncrementStorage)
+			Expect(countA2AfterIncrement.String()).To(Equal(actualCountA2.String()))
+			prevCountA2.Set(actualCountA2)
+
+			// Contract 3, countA
+			_, incErr = integration.IncrementCount(contract3.Address, "A")
+			time.Sleep(sleepInterval)
+			Expect(incErr).ToNot(HaveOccurred())
+			actualCountA3.Add(actualCountA3, big.NewInt(1))
+
+			countA3AfterIncrementStorage, err := ipldClient.StorageAt(ctx, common.HexToAddress(contract3.Address), common.HexToHash(countAIndex), nil)
+			Expect(err).ToNot(HaveOccurred())
+			countA3AfterIncrement := new(big.Int).SetBytes(countA3AfterIncrementStorage)
+			Expect(countA3AfterIncrement.String()).To(Equal(actualCountA3.String()))
+			prevCountA3.Set(actualCountA3)
+		})
+	})
+
+	Context("with invalid args", func() {
+		It("returns an error on invalid operation arg", func() {
+			operation := "WrongOp"
+			args := []sdtypes.WatchAddressArg{}
+
+			gethErr := gethRPCClient.Call(nil, gethMethod, operation, args)
+			Expect(gethErr).To(HaveOccurred())
+
+			ipldErr := ipldRPCClient.Call(nil, ipldMethod, operation, args)
+			Expect(ipldErr).To(HaveOccurred())
+
+			Expect(ipldErr).To(Equal(gethErr))
+		})
+
+		It("returns an error on args of invalid type", func() {
+			operation := sdtypes.Add
+			args := []string{"WrongArg"}
+
+			gethErr := gethRPCClient.Call(nil, gethMethod, operation, args)
+			Expect(gethErr).To(HaveOccurred())
+
+			ipldErr := ipldRPCClient.Call(nil, ipldMethod, operation, args)
+			Expect(ipldErr).To(HaveOccurred())
+
+			Expect(ipldErr).To(Equal(gethErr))
+		})
+	})
+})

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.