Merge pull request #103 from cerc-io/dboreham/prerun-workers

use workers in prerun mode
Make doc consistent
2022-09-22 07:37:38 -06:00 · 2022-09-22 07:26:32 -06:00 · 2022-09-22 13:52:47 +05:30 · 2022-09-21 14:04:46 -06:00 · 2022-09-21 14:00:45 -06:00 · 2022-09-21 13:33:15 -06:00
34 changed files with 1261 additions and 1245 deletions
@@ -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 ${GITHUB_SHA:0:7})
-      - name: Run docker build
-        run: make docker-build
-      - name: Tag docker image
-        run: docker tag vulcanize/eth-statediff-service docker.pkg.github.com/vulcanize/eth-statediff-service/eth-statediff-service:${{steps.vars.outputs.sha}}
-      - name: Docker Login
-        run: echo ${{ secrets.GITHUB_TOKEN }} | docker login https://docker.pkg.github.com -u vulcanize --password-stdin
-      - name: Docker Push
-        run: docker push docker.pkg.github.com/vulcanize/eth-statediff-service/eth-statediff-service:${{steps.vars.outputs.sha}}
-
@@ -1,12 +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
@@ -0,0 +1,73 @@
+name: Publish Docker image
+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:
+    if: ${{ needs.pre_job.outputs.should_skip != 'true' }}
+    needs: pre_job
+    uses: ./.github/workflows/tests.yml
+  build:
+    name: Run docker build
+    runs-on: ubuntu-latest
+    if: |
+      always() &&
+      (needs.run-tests.result == 'success' || needs.run-tests.result == 'skipped') &&
+      github.event_name == 'release'
+    needs: run-tests
+    steps:
+      - uses: actions/checkout@v2
+      - name: Get the version
+        id: vars
+        run: |
+          echo ::set-output name=sha::$(echo ${GITHUB_SHA:0:7})
+          echo ::set-output name=tag::$(echo ${GITHUB_REF#refs/tags/})
+      - name: Run docker build
+        run: make docker-build
+      - name: Tag docker image
+        run: docker tag cerc-io/eth-statediff-service git.vdb.to/cerc-io/eth-statediff-service/eth-statediff-service:${{steps.vars.outputs.sha}}
+      - name: Tag docker image TAG
+        run: docker tag git.vdb.to/cerc-io/eth-statediff-service/eth-statediff-service:${{steps.vars.outputs.sha}} git.vdb.to/cerc-io/eth-statediff-service/eth-statediff-service:${{steps.vars.outputs.tag}}
+      - name: Docker Login
+        run: echo ${{ secrets.GITEA_TOKEN }} | docker login https://git.vdb.to -u cerccicd --password-stdin
+      - name: Docker Push
+        run: docker push git.vdb.to/cerc-io/eth-statediff-service/eth-statediff-service:${{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 ${{ secrets.GITHUB_TOKEN }} | docker login https://docker.pkg.github.com -u vulcanize --password-stdin
+#      - name: Docker Pull
+#        run: docker pull docker.pkg.github.com/cerc-io/eth-statediff-service/eth-statediff-service:${{steps.vars.outputs.sha}}
+#      - name: Docker Login to Docker Registry
+#        run: echo ${{ secrets.VULCANIZEJENKINS_PAT }} | docker login -u vulcanizejenkins --password-stdin
+#      - name: Tag docker image
+#        run: docker tag docker.pkg.github.com/cerc-io/eth-statediff-service/eth-statediff-service:${{steps.vars.outputs.sha}} cerc-io/eth-statediff-service:${{steps.vars.outputs.tag}}
+#      - name: Docker Push to Docker Hub
+#        run: docker push cerc-io/eth-statediff-service:${{steps.vars.outputs.tag}}
@@ -1,29 +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:
-      - uses: actions/checkout@v2
-      - name: Get the version
-        run: |
-          echo ::set-output name=tag::$(echo ${GITHUB_REF#refs/tags/})
-          echo ::set-output name=sha::$(echo ${GITHUB_SHA})
-        id: vars
-      - name: Docker Login to Docker Registry
-        uses: docker/login-action@v1
-        with:
-          username: vulcanizejenkins
-          password: ${{ secrets.VULCANIZEJENKINS_PAT }}
-      - name: Build and push
-        uses: docker/build-push-action@v2
-        with:
-          context: .
-          push: true
-          tags: vulcanize/eth-statediff-service:${{ steps.vars.outputs.tag }}
-          build-args: |
-            GIT_COMMIT=${{ steps.vars.outputs.sha }}
-
@@ -0,0 +1,37 @@
+name: Tests for Geth that are used in multiple jobs.
+
+on:
+  workflow_call:
+
+env:
+  GOPATH: /tmp/go
+
+jobs:
+  build:
+    name: Run docker build
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - name: Run docker build
+        run: make docker-build
+
+  statediff-unit-test:
+    name: Run statediff unit tests
+    runs-on: ubuntu-latest
+    env:
+      GO111MODULE: on
+    steps:
+      - name: Create GOPATH
+        run: mkdir -p /tmp/go
+
+      - uses: actions/setup-go@v3
+        with:
+          go-version: ">=1.18.0"
+          check-latest: true
+
+      - name: Checkout code
+        uses: actions/checkout@v2
+
+      - name: Run unit tests
+        run: |
+          make test
@@ -1,2 +1,3 @@
 .idea/
 eth-statediff-service
+.vscode
@@ -1,14 +1,14 @@
-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

 # Get and build ipfs-blockchain-watcher
-ADD . /go/src/github.com/vulcanize/eth-statediff-service
-#RUN git clone https://github.com/vulcanize/eth-statediff-service.git /go/src/github.com/vulcanize/eth-statediff-service
+ADD . /go/src/github.com/cerc-io/eth-statediff-service
+#RUN git clone https://github.com/cerc-io/eth-statediff-service.git /go/src/github.com/vulcanize/eth-statediff-service

-WORKDIR /go/src/github.com/vulcanize/eth-statediff-service
+WORKDIR /go/src/github.com/cerc-io/eth-statediff-service
 RUN GO111MODULE=on GCO_ENABLED=0 GOOS=linux go build -a -installsuffix cgo -ldflags '-extldflags "-static"' -o eth-statediff-service .

 # app container
@@ -27,12 +27,12 @@ USER $USER

 # chown first so dir is writable
 # note: using $USER is merged, but not in the stable release yet
-COPY --chown=5000:5000 --from=builder /go/src/github.com/vulcanize/eth-statediff-service/$CONFIG_FILE config.toml
-COPY --chown=5000:5000 --from=builder /go/src/github.com/vulcanize/eth-statediff-service/startup_script.sh .
-COPY --chown=5000:5000 --from=builder /go/src/github.com/vulcanize/eth-statediff-service/environments environments
+COPY --chown=5000:5000 --from=builder /go/src/github.com/cerc-io/eth-statediff-service/$CONFIG_FILE config.toml
+COPY --chown=5000:5000 --from=builder /go/src/github.com/cerc-io/eth-statediff-service/startup_script.sh .
+COPY --chown=5000:5000 --from=builder /go/src/github.com/cerc-io/eth-statediff-service/environments environments

 # keep binaries immutable
-COPY --from=builder /go/src/github.com/vulcanize/eth-statediff-service/eth-statediff-service eth-statediff-service
+COPY --from=builder /go/src/github.com/cerc-io/eth-statediff-service/eth-statediff-service eth-statediff-service

 EXPOSE $EXPOSE_PORT

@@ -1,10 +1,10 @@
 ## Build docker image
 .PHONY: docker-build
 docker-build:
-	docker build -t vulcanize/eth-statediff-service .
+	docker build -t cerc-io/eth-statediff-service .

 .PHONY: test
-test: | $(GOOSE)
+test:
 	go test -p 1 ./pkg/... -v

 build:
@@ -2,13 +2,13 @@

 [![Go Report Card](https://goreportcard.com/badge/github.com/vulcanize/eth-statediff-service)](https://goreportcard.com/report/github.com/vulcanize/eth-statediff-service)

->> standalone statediffing service ontop of leveldb
+>> standalone statediffing service on top of LevelDB

 Purpose:

-Stand up a statediffing service directly on top of a go-ethereum leveldb instance.
+Stand up a statediffing service directly on top of a go-ethereum LevelDB instance.
 This service can serve historical state data over the same rpc interface as
-[statediffing geth](https://github.com/vulcanize/go-ethereum/releases/tag/v1.9.11-statediff-0.0.5) without needing to run a full node
+[statediffing geth](https://github.com/cerc-io/go-ethereum) without needing to run a full node.

 ## Setup

@@ -18,6 +18,116 @@ Build the binary:
 make build
 ```

+## Configuration
+
+An example config file:
+
+```toml
+[leveldb]
+    # LevelDB access mode <local | remote>
+    mode = "local"  # LVLDB_MODE
+
+    # in local mode
+    # LevelDB paths
+    path    = "/Users/user/Library/Ethereum/geth/chaindata"         # LVLDB_PATH
+    ancient = "/Users/user/Library/Ethereum/geth/chaindata/ancient" # LVLDB_ANCIENT
+
+    # in remote mode
+    # URL for leveldb-ethdb-rpc endpoint
+    url = "http://127.0.0.1:8082/"  # LVLDB_URL
+
+[server]
+    ipcPath  = ".ipc"           # SERVICE_IPC_PATH
+    httpPath = "127.0.0.1:8545" # SERVICE_HTTP_PATH
+
+[statediff]
+    prerun          = true  # STATEDIFF_PRERUN
+    serviceWorkers  = 1     # STATEDIFF_SERVICE_WORKERS
+    workerQueueSize = 1024  # STATEDIFF_WORKER_QUEUE_SIZE
+    trieWorkers     = 4     # STATEDIFF_TRIE_WORKERS
+
+[prerun]
+    only = false     # PRERUN_ONLY
+    parallel = true  # PRERUN_PARALLEL
+
+    # to perform prerun in a specific range (optional)
+    start = 0   # PRERUN_RANGE_START
+    stop  = 100 # PRERUN_RANGE_STOP
+
+    # to perform prerun over multiple ranges (optional)
+    ranges = [
+        [101, 1000]
+    ]
+
+    # statediffing params for prerun
+    [prerun.params]
+        intermediateStateNodes   = true # PRERUN_INTERMEDIATE_STATE_NODES
+        intermediateStorageNodes = true # PRERUN_INTERMEDIATE_STORAGE_NODES
+        includeBlock             = true # PRERUN_INCLUDE_BLOCK
+        includeReceipts          = true # PRERUN_INCLUDE_RECEIPTS
+        includeTD                = true # PRERUN_INCLUDE_TD
+        includeCode              = true # PRERUN_INCLUDE_CODE
+        watchedAddresses         = []
+
+[log]
+    file  = ""      # LOG_FILE_PATH
+    level = "info"  # LOG_LEVEL
+
+[database]
+    # output type <postgres | file | dump>
+    type = "postgres"
+
+    # with postgres type
+    # db credentials
+    name     = "vulcanize_test" # DATABASE_NAME
+    hostname = "localhost"      # DATABASE_HOSTNAME
+    port     = 5432             # DATABASE_PORT
+    user     = "vulcanize"      # DATABASE_USER
+    password = "..."            # DATABASE_PASSWORD
+    driver   = "sqlx"           # DATABASE_DRIVER_TYPE <sqlx | pgx>
+
+    # with file type
+    # file mode <sql | csv>
+    fileMode = "csv"    # DATABASE_FILE_MODE
+
+    # with SQL file mode
+    filePath = ""   # DATABASE_FILE_PATH
+
+    # with CSV file mode
+    fileCsvDir = "output_dir" # DATABASE_FILE_CSV_DIR
+
+    # with dump type
+    # <stdout | stderr | discard>
+    dumpDestination = ""    # DATABASE_DUMP_DST
+
+[cache]
+    database = 1024 # DB_CACHE_SIZE_MB
+    trie     = 1024 # TRIE_CACHE_SIZE_MB
+
+[prom]
+    # prometheus metrics
+    metrics  = true         # PROM_METRICS
+    http     = true         # PROM_HTTP
+    httpAddr = "localhost"  # PROM_HTTP_ADDR
+    httpPort = "8889"       # PROM_HTTP_PORT
+    dbStats = true          # PROM_DB_STATS
+
+[ethereum]
+    # node info
+    nodeID       = ""                       # ETH_NODE_ID
+    clientName   = "eth-statediff-service"  # ETH_CLIENT_NAME
+    networkID    = 1                        # ETH_NETWORK_ID
+    chainID      = 1                        # ETH_CHAIN_ID
+    genesisBlock = "0xd4e56740f876aef8c010b86a40d5f56745a118d0906a34e69aec8c0db1cb8fa3" # ETH_GENESIS_BLOCK
+
+    # path to custom chain config file (optional)
+    # keep chainID same as that in chain config file
+    chainConfig  = "./chain.json"           # ETH_CHAIN_CONFIG
+
+[debug]
+    pprof = false                           # DEBUG_PPROF
+```
+
 ### Local Setup

 * Create a chain config file `chain.json` according to chain config in genesis json file used by local geth.
@@ -42,130 +152,148 @@ make build
  }
  ```

-* Change the following in [config file](./environments/config.toml)
-
-    ```toml
-    [leveldb]
-        # Path to geth leveldb data
-        path = "/path-to-local-geth-data/chaindata"
-        ancient = "/path-to-local-geth-data/chaindata/ancient"
-
-    [ethereum]
-        chainConfig = "./chain.json" # Path to custom chain  config file
-        chainID = 41337 # Same chain ID as in chain.json
-
-    [database]
-        # Update database config
-        name     = "vulcanize_testing"
-        hostname = "localhost"
-        port     = 5432
-        user     = "postgres"
-        password = "postgres"
-        type = "postgres"
-    ```
-
-* To write statediff for a range of block make changes in [config file](./environments/config.toml)
-    ```toml
-    [prerun]
-        only = false
-        ranges = [
-            [8, 15] # Block number range for which to write statediff.
-        ]
-    ```
+  Provide the path to the above file in the config.

 ## Usage

+* Create / update the config file (refer to example config above).
+
 ### `serve`

-To serve state diffs over RPC:
+* To serve the statediff RPC API:

-`eth-statediff-service serve --config=<config path>`
+    ```bash
+    ./eth-statediff-service serve --config=<config path>
+    ```

-Example:
+    Example:

-```bash
-./eth-statediff-service serve --config environments/config.toml
-```
+    ```bash
+    ./eth-statediff-service serve --config environments/config.toml
+    ```

-Available RPC methods are:
-  * `statediff_stateTrieAt()`
-  * `statediff_streamCodeAndCodeHash()`
-  * `statediff_stateDiffAt()`
-  * `statediff_writeStateDiffAt()`
-  * `statediff_writeStateDiffsInRange()`
+* Available RPC methods:
+    * `statediff_stateTrieAt()`
+    * `statediff_streamCodeAndCodeHash()`
+    * `statediff_stateDiffAt()`
+    * `statediff_writeStateDiffAt()`
+    * `statediff_writeStateDiffsInRange()`

-e.g. `curl -X POST -H 'Content-Type: application/json' --data '{"jsonrpc":"2.0","method":"statediff_writeStateDiffsInRange","params":['"$BEGIN"', '"$END"', {"intermediateStateNodes":true,"intermediateStorageNodes":true,"includeBlock":true,"includeReceipts":true,"includeTD":true,"includeCode":true}],"id":1}' "$HOST":"$PORT"`
+    Example:

-The process can be configured locally with sets of ranges to process as a "prerun" to processing directed by the server endpoints.
-This is done by turning "prerun" on in the config (`statediff.prerun = true`) and defining ranged and params in the
-`prerun` section of the config as shown below.
+    ```bash
+    curl -X POST -H 'Content-Type: application/json' --data '{"jsonrpc":"2.0","method":"statediff_writeStateDiffsInRange","params":['"$BEGIN"', '"$END"', {"intermediateStateNodes":true,"intermediateStorageNodes":true,"includeBlock":true,"includeReceipts":true,"includeTD":true,"includeCode":true}],"id":1}' "$HOST":"$PORT"
+    ```

-## Configuration
+* Prerun:
+    * The process can be configured locally with sets of ranges to process as a "prerun" to processing directed by the server endpoints.
+    * This is done by turning "prerun" on in the config (`statediff.prerun = true`) and defining ranges and params in the
+`prerun` section of the config.
+    * Set the range using `prerun.start` and `prerun.stop`. Use `prerun.ranges` if prerun on more than one range is required.

-An example config file:
+* NOTE: Currently, `params.includeTD` must be set to / passed as `true`.

-```toml
-[leveldb]
-    path = "/Users/user/Library/Ethereum/geth/chaindata"
-    ancient = "/Users/user/Library/Ethereum/geth/chaindata/ancient"
+## Monitoring

-[server]
-    ipcPath = ".ipc"
-    httpPath = "127.0.0.1:8545"
+* Enable metrics using config parameters `prom.metrics` and `prom.http`.
+* `eth-statediff-service` exposes following prometheus metrics at `/metrics` endpoint:
+    * `ranges_queued`: Number of range requests currently queued.
+    * `loaded_height`: The last block that was loaded for processing.
+    * `processed_height`: The last block that was processed.
+    * `stats.t_block_load`: Block loading time.
+    * `stats.t_block_processing`: Block (header, uncles, txs, rcts, tx trie, rct trie) processing time.
+    * `stats.t_state_processing`: State (state trie, storage tries, and code) processing time.
+    * `stats.t_postgres_tx_commit`: Postgres tx commit time.
+    * `http.count`: HTTP request count.
+    * `http.duration`: HTTP request duration.
+    * `ipc.count`: Unix socket connection count.

-[statediff]
-    prerun = true
-    serviceWorkers = 1
-    workerQueueSize = 1024
-    trieWorkers = 4
+## Tests

-[prerun]
-    only = false
-    ranges = [
-        [0, 1000]
-    ]
-    [prerun.params]
-        intermediateStateNodes = true
-        intermediateStorageNodes = true
-        includeBlock = true
-        includeReceipts = true
-        includeTD = true
-        includeCode = true
-        watchedAddresses = []
+* Run unit tests:

-[log]
-    file = ""
-    level = "info"
+    ```bash
+    make test
+    ```

-[eth]
-    chainID = 1
+## Import output data in file mode into a database

-[database]
-    name     = "vulcanize_test"
-    hostname = "localhost"
-    port     = 5432
-    user     = "vulcanize"
-    password = "..."
-    type = "postgres"
-    driver = "sqlx"
-    dumpDestination = ""
-    filePath = ""
+* When `eth-statediff-service` is run in file mode (`database.type`) the output is in form of a SQL file or multiple CSV files.

-[cache]
-    database = 1024
-    trie = 1024
+### SQL

-[prom]
-    dbStats = false
-    metrics = true
-    http = true
-    httpAddr = "localhost"
-    httpPort = "8889"
+* Assuming the output files are located in host's `./output_dir` directory.

-[ethereum]
-    nodeID = ""
-    clientName = "eth-statediff-service"
-    genesisBlock = "0xd4e56740f876aef8c010b86a40d5f56745a118d0906a34e69aec8c0db1cb8fa3"
-    networkID = 1
-    chainID = 1
-```
+* Create a directory to store post-processed output:
+
+    ```bash
+    mkdir -p output_dir/processed_output
+    ```
+
+* (Optional) Get row counts in the output:
+
+    ```bash
+    wc -l output_dir/statediff.sql > output_stats.txt
+    ```
+
+* De-duplicate data:
+
+    ```bash
+    sort -u output_dir/statediff.sql -o output_dir/processed_output/deduped-statediff.sql
+    ```
+
+* Copy over the post-processed output files to the DB server (say in `/output_dir`).
+
+* Run the following to import data:
+
+    ```bash
+    psql -U <DATABASE_USER> -h <DATABASE_HOSTNAME> -p <DATABASE_PORT> <DATABASE_NAME> --set ON_ERROR_STOP=on -f /output_dir/processed_output/deduped-statediff.sql
+    ```
+
+### CSV
+
+* Create an env file with the required variables. Refer [.sample.env](./scripts/.sample.env).
+
+* (Optional) Get row counts in the output:
+
+    ```bash
+    ./scripts/count-lines.sh <ENV_FILE_PATH>
+    ```
+
+* De-duplicate data:
+
+    ```bash
+    ./scripts/dedup.sh <ENV_FILE_PATH>
+    ```
+
+* Perform column checks:
+
+    ```bash
+    ./scripts/check-columns.sh <ENV_FILE_PATH>
+    ```
+
+    Check the output logs for any rows detected with unexpected number of columns.
+
+    Example:
+
+    ```bash
+    # log
+    eth.header_cids
+    Start: Wednesday 21 September 2022 06:00:38 PM IST
+    Time taken: 00:00:05
+    End: Wednesday 21 September 2022 06:00:43 PM IST
+    Total bad rows: 1 ./check-columns/eth.header_cids.txt
+
+    # bad row output
+    # line number, num. of columns, data
+    23 17 22,xxxxxx,0x07f5ea5c94aa8dea60b28f6b6315d92f2b6d78ca4b74ea409adeb191b5a114f2,0x5918487321aa57dd0c50977856c6231e7c4ee79e95b694c7c8830227d77a1ecc,bagiacgzaa726uxeuvkg6uyfsr5vwgfozf4vw26gkjn2ouqe232yzdnnbctza,45,geth,0,0xad8fa8df61b98dbda7acd6ca76d5ce4cbba663d5f608cc940957adcdb94cee8d,0xc621412320a20b4aaff5363bdf063b9d13e394ef82e55689ab703aae5db08e26,0x71ec1c7d81269ce115be81c81f13e1cc2601c292a7f20440a77257ecfdc69940,0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347,\x2000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000000000,1658408419,/blocks/DMQAP5PKLSKKVDPKMCZI623DCXMS6K3NPDFEW5HKICNN5MMRWWQRJ4Q,1,0x0000000000000000000000000000000000000000
+    ```
+
+* Import data using `timescaledb-parallel-copy`:  
+  (requires [`timescaledb-parallel-copy`](https://github.com/timescale/timescaledb-parallel-copy) installation; readily comes with TimescaleDB docker image)
+
+    ```bash
+    ./scripts/timescaledb-import.sh <ENV_FILE_PATH>
+    ```
+
+* NOTE: `COPY` command on CSVs inserts empty strings as `NULL` in the DB. Passing `FORCE_NOT_NULL <COLUMN_NAME>` forces it to insert empty strings instead. This is required to maintain compatibility of the imported statediff data with the data generated in `postgres` mode. Reference: https://www.postgresql.org/docs/14/sql-copy.html
@@ -30,8 +30,10 @@ const (

 	DB_CACHE_SIZE_MB   = "DB_CACHE_SIZE_MB"
 	TRIE_CACHE_SIZE_MB = "TRIE_CACHE_SIZE_MB"
+	LVLDB_MODE         = "LVLDB_MODE"
 	LVLDB_PATH         = "LVLDB_PATH"
 	LVLDB_ANCIENT      = "LVLDB_ANCIENT"
+	LVLDB_URL          = "LVLDB_URL"

 	STATEDIFF_PRERUN            = "STATEDIFF_PRERUN"
 	STATEDIFF_TRIE_WORKERS      = "STATEDIFF_TRIE_WORKERS"
@@ -48,6 +50,7 @@ const (
 	PROM_DB_STATS  = "PROM_DB_STATS"

 	PRERUN_ONLY                       = "PRERUN_ONLY"
+	PRERUN_PARALLEL                   = "PRERUN_PARALLEL"
 	PRERUN_RANGE_START                = "PRERUN_RANGE_START"
 	PRERUN_RANGE_STOP                 = "PRERUN_RANGE_STOP"
 	PRERUN_INTERMEDIATE_STATE_NODES   = "PRERUN_INTERMEDIATE_STATE_NODES"
@@ -66,10 +69,12 @@ const (
 	DATABASE_USER     = "DATABASE_USER"
 	DATABASE_PASSWORD = "DATABASE_PASSWORD"

-	DATABASE_TYPE        = "DATABASE_TYPE"
-	DATABASE_DRIVER_TYPE = "DATABASE_DRIVER_TYPE"
-	DATABASE_DUMP_DST    = "DATABASE_DUMP_DST"
-	DATABASE_FILE_PATH   = "DATABASE_FILE_PATH"
+	DATABASE_TYPE         = "DATABASE_TYPE"
+	DATABASE_DRIVER_TYPE  = "DATABASE_DRIVER_TYPE"
+	DATABASE_DUMP_DST     = "DATABASE_DUMP_DST"
+	DATABASE_FILE_PATH    = "DATABASE_FILE_PATH"
+	DATABASE_FILE_MODE    = "DATABASE_FILE_MODE"
+	DATABASE_FILE_CSV_DIR = "DATABASE_FILE_CSV_DIR"

 	DATABASE_MAX_IDLE_CONNECTIONS = "DATABASE_MAX_IDLE_CONNECTIONS"
 	DATABASE_MAX_OPEN_CONNECTIONS = "DATABASE_MAX_OPEN_CONNECTIONS"
@@ -77,6 +82,8 @@ const (
 	DATABASE_MAX_CONN_LIFETIME    = "DATABASE_MAX_CONN_LIFETIME"
 	DATABASE_CONN_TIMEOUT         = "DATABSE_CONN_TIMEOUT"
 	DATABASE_MAX_CONN_IDLE_TIME   = "DATABASE_MAX_CONN_IDLE_TIME"
+
+	DEBUG_PPROF = "DEBUG_PPROF"
 )

 // Bind env vars for eth node and DB configuration
@@ -107,13 +114,17 @@ func init() {
 	viper.BindEnv("database.type", DATABASE_TYPE)
 	viper.BindEnv("database.driver", DATABASE_DRIVER_TYPE)
 	viper.BindEnv("database.dumpDestination", DATABASE_DUMP_DST)
+	viper.BindEnv("database.fileMode", DATABASE_FILE_MODE)
 	viper.BindEnv("database.filePath", DATABASE_FILE_PATH)
+	viper.BindEnv("database.fileCsvDir", DATABASE_FILE_CSV_DIR)

 	viper.BindEnv("cache.database", DB_CACHE_SIZE_MB)
 	viper.BindEnv("cache.trie", TRIE_CACHE_SIZE_MB)

+	viper.BindEnv("leveldb.mode", LVLDB_MODE)
 	viper.BindEnv("leveldb.path", LVLDB_PATH)
 	viper.BindEnv("leveldb.ancient", LVLDB_ANCIENT)
+	viper.BindEnv("leveldb.url", LVLDB_URL)

 	viper.BindEnv("prom.metrics", PROM_METRICS)
 	viper.BindEnv("prom.http", PROM_HTTP)
@@ -127,6 +138,7 @@ func init() {

 	viper.BindEnv("statediff.prerun", STATEDIFF_PRERUN)
 	viper.BindEnv("prerun.only", PRERUN_ONLY)
+	viper.BindEnv("prerun.parallel", PRERUN_PARALLEL)
 	viper.BindEnv("prerun.start", PRERUN_RANGE_START)
 	viper.BindEnv("prerun.stop", PRERUN_RANGE_STOP)
 	viper.BindEnv("prerun.params.intermediateStateNodes", PRERUN_INTERMEDIATE_STATE_NODES)
@@ -138,4 +150,6 @@ func init() {

 	viper.BindEnv("log.level", LOG_LEVEL)
 	viper.BindEnv("log.file", LOG_FILE_PATH)
+
+	viper.BindEnv("debug.pprof", DEBUG_PPROF)
 }
@@ -34,7 +34,7 @@ import (
 	"github.com/spf13/cobra"
 	"github.com/spf13/viper"

-	"github.com/vulcanize/eth-statediff-service/pkg/prom"
+	"github.com/cerc-io/eth-statediff-service/pkg/prom"
 )

 var (
@@ -116,8 +116,10 @@ func init() {
 	rootCmd.PersistentFlags().String("log-level", log.InfoLevel.String(),
 		"log level (trace, debug, info, warn, error, fatal, panic")

+	rootCmd.PersistentFlags().String("leveldb-mode", "local", "LevelDB access mode (local, remote)")
 	rootCmd.PersistentFlags().String("leveldb-path", "", "path to primary datastore")
 	rootCmd.PersistentFlags().String("ancient-path", "", "path to ancient datastore")
+	rootCmd.PersistentFlags().String("leveldb-url", "", "url to primary leveldb-ethdb-rpc server")

 	rootCmd.PersistentFlags().Bool("prerun", false, "turn on prerun of toml configured ranges")
 	rootCmd.PersistentFlags().Int("service-workers", 0, "number of range requests to process concurrently")
@@ -138,7 +140,9 @@ func init() {
 	rootCmd.PersistentFlags().String("database-type", "postgres", "database type (currently supported: postgres, dump)")
 	rootCmd.PersistentFlags().String("database-driver", "sqlx", "database driver type (currently supported: sqlx, pgx)")
 	rootCmd.PersistentFlags().String("database-dump-dst", "stdout", "dump destination (for database-type=dump; options: stdout, stderr, discard)")
-	rootCmd.PersistentFlags().String("database-file-path", "", "full file path (for database-type=file)")
+	rootCmd.PersistentFlags().String("database-file-mode", "csv", "mode for writing file (for database-type=file; options: csv, sql)")
+	rootCmd.PersistentFlags().String("database-file-csv-dir", "", "full directory path (for database-file-mode=csv)")
+	rootCmd.PersistentFlags().String("database-file-path", "", "full file path (for database-file-mode=sql)")

 	rootCmd.PersistentFlags().String("eth-node-id", "", "eth node id")
 	rootCmd.PersistentFlags().String("eth-client-name", "eth-statediff-service", "eth client name")
@@ -177,8 +181,10 @@ func init() {
 	viper.BindPFlag("statediff.trieWorkers", rootCmd.PersistentFlags().Lookup("trie-workers"))
 	viper.BindPFlag("statediff.workerQueueSize", rootCmd.PersistentFlags().Lookup("worker-queue-size"))

+	viper.BindPFlag("leveldb.mode", rootCmd.PersistentFlags().Lookup("leveldb-mode"))
 	viper.BindPFlag("leveldb.path", rootCmd.PersistentFlags().Lookup("leveldb-path"))
 	viper.BindPFlag("leveldb.ancient", rootCmd.PersistentFlags().Lookup("ancient-path"))
+	viper.BindPFlag("leveldb.url", rootCmd.PersistentFlags().Lookup("leveldb-url"))

 	viper.BindPFlag("database.name", rootCmd.PersistentFlags().Lookup("database-name"))
 	viper.BindPFlag("database.port", rootCmd.PersistentFlags().Lookup("database-port"))
@@ -194,6 +200,8 @@ func init() {
 	viper.BindPFlag("database.type", rootCmd.PersistentFlags().Lookup("database-type"))
 	viper.BindPFlag("database.driver", rootCmd.PersistentFlags().Lookup("database-driver"))
 	viper.BindPFlag("database.dumpDestination", rootCmd.PersistentFlags().Lookup("database-dump-dst"))
+	viper.BindPFlag("database.fileMode", rootCmd.PersistentFlags().Lookup("database-file-mode"))
+	viper.BindPFlag("database.fileCsvDir", rootCmd.PersistentFlags().Lookup("database-file-csv-dir"))
 	viper.BindPFlag("database.filePath", rootCmd.PersistentFlags().Lookup("database-file-path"))

 	viper.BindPFlag("ethereum.nodeID", rootCmd.PersistentFlags().Lookup("eth-node-id"))
@@ -213,6 +221,7 @@ func init() {
 	viper.BindPFlag("prom.metrics", rootCmd.PersistentFlags().Lookup("prom-metrics"))

 	viper.BindPFlag("prerun.only", rootCmd.PersistentFlags().Lookup("prerun-only"))
+	viper.BindPFlag("prerun.parallel", rootCmd.PersistentFlags().Lookup("prerun-parallel"))
 	viper.BindPFlag("prerun.start", rootCmd.PersistentFlags().Lookup("prerun-start"))
 	viper.BindPFlag("prerun.stop", rootCmd.PersistentFlags().Lookup("prerun-stop"))
 	viper.BindPFlag("prerun.params.intermediateStateNodes", rootCmd.PersistentFlags().Lookup("prerun-intermediate-state-nodes"))
@@ -222,6 +231,8 @@ func init() {
 	viper.BindPFlag("prerun.params.includeTD", rootCmd.PersistentFlags().Lookup("prerun-include-td"))
 	viper.BindPFlag("prerun.params.includeCode", rootCmd.PersistentFlags().Lookup("prerun-include-code"))

+	viper.BindPFlag("debug.pprof", rootCmd.PersistentFlags().Lookup("debug-pprof"))
+
 	rand.Seed(time.Now().UnixNano())
 }

@@ -298,11 +309,28 @@ func getConfig(nodeInfo node.Info) (interfaces.Config, error) {
 	switch dbType {
 	case shared.FILE:
 		logWithCommand.Info("starting in sql file writing mode")
+
+		fileModeStr := viper.GetString("database.fileMode")
+		fileMode, err := file.ResolveFileMode(fileModeStr)
+		if err != nil {
+			utils.Fatalf("%v", err)
+		}
+
 		filePathStr := viper.GetString("database.filePath")
-		if filePathStr == "" {
+		if fileMode == file.SQL && filePathStr == "" {
 			logWithCommand.Fatal("when operating in sql file writing mode a file path must be provided")
 		}
-		indexerConfig = file.Config{FilePath: filePathStr}
+
+		fileCsvDirStr := viper.GetString("database.fileCsvDir")
+		if fileMode == file.CSV && fileCsvDirStr == "" {
+			logWithCommand.Fatal("when operating in csv file writing mode a directory path must be provided")
+		}
+
+		indexerConfig = file.Config{
+			Mode:      fileMode,
+			OutputDir: fileCsvDirStr,
+			FilePath:  filePathStr,
+		}
 	case shared.DUMP:
 		logWithCommand.Info("starting in data dump mode")
 		dumpDstStr := viper.GetString("database.dumpDestination")
@@ -16,8 +16,11 @@
 package cmd

 import (
+	"net/http"
+	_ "net/http/pprof"
 	"os"
 	"os/signal"
+	"runtime"
 	"sync"

 	"github.com/ethereum/go-ethereum/rpc"
@@ -25,14 +28,14 @@ import (
 	"github.com/spf13/cobra"
 	"github.com/spf13/viper"

-	sd "github.com/vulcanize/eth-statediff-service/pkg"
-	srpc "github.com/vulcanize/eth-statediff-service/pkg/rpc"
+	sd "github.com/cerc-io/eth-statediff-service/pkg"
+	srpc "github.com/cerc-io/eth-statediff-service/pkg/rpc"
 )

 // serveCmd represents the serve command
 var serveCmd = &cobra.Command{
 	Use:   "serve",
-	Short: "Stand up a standalone statediffing RPC service on top of leveldb",
+	Short: "Stand up a standalone statediffing RPC service on top of LevelDB",
 	Long: `Usage

 ./eth-statediff-service serve --config={path to toml config file}`,
@@ -47,17 +50,38 @@ func init() {
 	rootCmd.AddCommand(serveCmd)
 }

+func maxParallelism() int {
+	maxProcs := runtime.GOMAXPROCS(0)
+	numCPU := runtime.NumCPU()
+	if maxProcs < numCPU {
+		return maxProcs
+	}
+	return numCPU
+}
+
 func serve() {
 	logWithCommand.Info("Running eth-statediff-service serve command")
+	logWithCommand.Infof("Parallelism: %d", maxParallelism())

 	statediffService, err := createStateDiffService()
 	if err != nil {
 		logWithCommand.Fatal(err)
 	}

+	// Enable the pprof agent if configured
+	if viper.GetBool("debug.pprof") {
+		// See: https://www.farsightsecurity.com/blog/txt-record/go-remote-profiling-20161028/
+		// For security reasons: do not use the default http multiplexor elsewhere in this process.
+		go func() {
+			logWithCommand.Info("Starting pprof listener on port 6060")
+			logWithCommand.Fatal(http.ListenAndServe("localhost:6060", nil))
+		}()
+	}
+
 	// short circuit if we only want to perform prerun
 	if viper.GetBool("prerun.only") {
-		if err := statediffService.Run(nil); err != nil {
+		parallel := viper.GetBool("prerun.parallel")
+		if err := statediffService.Run(nil, parallel); err != nil {
 			logWithCommand.Fatal("unable to perform prerun: %v", err)
 		}
 		return
@@ -6,12 +6,13 @@ import (
 	"github.com/ethereum/go-ethereum/common"
 	"github.com/ethereum/go-ethereum/params"
 	"github.com/ethereum/go-ethereum/statediff"
-	gethsd "github.com/ethereum/go-ethereum/statediff"
 	ind "github.com/ethereum/go-ethereum/statediff/indexer"
+	"github.com/ethereum/go-ethereum/statediff/indexer/shared"
 	"github.com/ethereum/go-ethereum/trie"
 	"github.com/spf13/viper"

-	sd "github.com/vulcanize/eth-statediff-service/pkg"
+	sd "github.com/cerc-io/eth-statediff-service/pkg"
+	"github.com/cerc-io/eth-statediff-service/pkg/prom"
 )

 type blockRange [2]uint64
@@ -19,10 +20,21 @@ type blockRange [2]uint64
 func createStateDiffService() (sd.StateDiffService, error) {
 	// load some necessary params
 	logWithCommand.Info("Loading statediff service parameters")
+	mode := viper.GetString("leveldb.mode")
 	path := viper.GetString("leveldb.path")
 	ancientPath := viper.GetString("leveldb.ancient")
-	if path == "" || ancientPath == "" {
-		logWithCommand.Fatal("require a valid eth leveldb primary datastore path and ancient datastore path")
+	url := viper.GetString("leveldb.url")
+
+	if mode == "local" {
+		if path == "" || ancientPath == "" {
+			logWithCommand.Fatal("Require a valid eth LevelDB primary datastore path and ancient datastore path")
+		}
+	} else if mode == "remote" {
+		if url == "" {
+			logWithCommand.Fatal("Require a valid RPC url for accessing LevelDB")
+		}
+	} else {
+		logWithCommand.Fatal("Invalid mode provided for LevelDB access")
 	}

 	nodeInfo := getEthNodeInfo()
@@ -41,8 +53,8 @@ func createStateDiffService() (sd.StateDiffService, error) {
 		logWithCommand.Fatal(err)
 	}

-	// create leveldb reader
-	logWithCommand.Info("Creating leveldb reader")
+	// create LevelDB reader
+	logWithCommand.Info("Creating LevelDB reader")
 	readerConf := sd.LvLDBReaderConfig{
 		TrieConfig: &trie.Config{
 			Cache:     viper.GetInt("cache.trie"),
@@ -50,8 +62,10 @@ func createStateDiffService() (sd.StateDiffService, error) {
 			Preimages: false,
 		},
 		ChainConfig: chainConf,
+		Mode:        mode,
 		Path:        path,
 		AncientPath: ancientPath,
+		Url:         url,
 		DBCacheSize: viper.GetInt("cache.database"),
 	}
 	lvlDBReader, err := sd.NewLvlDBReader(readerConf)
@@ -65,11 +79,16 @@ func createStateDiffService() (sd.StateDiffService, error) {
 	if err != nil {
 		logWithCommand.Fatal(err)
 	}
+
 	logWithCommand.Info("Creating statediff indexer")
-	_, indexer, err := ind.NewStateDiffIndexer(context.Background(), chainConf, nodeInfo, conf)
+	db, indexer, err := ind.NewStateDiffIndexer(context.Background(), chainConf, nodeInfo, conf)
 	if err != nil {
 		logWithCommand.Fatal(err)
 	}
+	if conf.Type() == shared.POSTGRES && viper.GetBool("prom.dbStats") {
+		prom.RegisterDBCollector(viper.GetString("database.name"), db)
+	}
+
 	logWithCommand.Info("Creating statediff service")
 	sdConf := sd.Config{
 		ServiceWorkers:  viper.GetUint("statediff.serviceWorkers"),
@@ -84,7 +103,7 @@ func setupPreRunRanges() []sd.RangeRequest {
 	if !viper.GetBool("statediff.prerun") {
 		return nil
 	}
-	preRunParams := gethsd.Params{
+	preRunParams := statediff.Params{
 		IntermediateStateNodes:   viper.GetBool("prerun.params.intermediateStateNodes"),
 		IntermediateStorageNodes: viper.GetBool("prerun.params.intermediateStorageNodes"),
 		IncludeBlock:             viper.GetBool("prerun.params.includeBlock"),
@@ -20,7 +20,7 @@ import (
 	log "github.com/sirupsen/logrus"
 	"github.com/spf13/cobra"

-	v "github.com/vulcanize/eth-statediff-service/version"
+	v "github.com/cerc-io/eth-statediff-service/version"
 )

 // versionCmd represents the version command
@@ -1,4 +1,5 @@
 [leveldb]
+    mode = "local"
    path = "/app/geth-rw/chaindata"
    ancient = "/app/geth-rw/chaindata/ancient"

@@ -29,31 +30,29 @@
    level = "info"

 [database]
+    type = "postgres"
    name     = ""
    hostname = ""
    port     = 5432
    user     = ""
    password = ""
-    type = "postgres"
    driver = "sqlx"
-    dumpDestination = ""
-    filePath = ""

 [cache]
    database = 1024
    trie = 4096

 [prom]
-    dbStats = false
    metrics = true
    http = true
    httpAddr = "0.0.0.0"
    httpPort = 9100
+    dbStats = false

 [ethereum]
-    chainConfig = ""
    nodeID = ""
    clientName = "eth-statediff-service"
    genesisBlock = "0xd4e56740f876aef8c010b86a40d5f56745a118d0906a34e69aec8c0db1cb8fa3"
    networkID = 1
    chainID = 1
+    chainConfig = ""
@@ -1,6 +1,8 @@
 [leveldb]
+    mode = "local"
    path = "/Users/user/Library/Ethereum/geth/chaindata"
    ancient = "/Users/user/Library/Ethereum/geth/chaindata/ancient"
+    url = "http://127.0.0.1:8082/"

 [server]
    ipcPath = ".ipc"
@@ -1,16 +1,138 @@
-module github.com/vulcanize/eth-statediff-service
+module github.com/cerc-io/eth-statediff-service

-go 1.16
+go 1.18

 require (
-	github.com/btcsuite/btcd/chaincfg/chainhash v1.0.1 // indirect
-	github.com/ethereum/go-ethereum v1.10.17
-	github.com/jmoiron/sqlx v1.2.0
+	github.com/cerc-io/go-eth-state-node-iterator v1.1.7
+	github.com/ethereum/go-ethereum v1.10.23
+	github.com/jmoiron/sqlx v1.2.0 // indirect
 	github.com/prometheus/client_golang v1.4.0
-	github.com/sirupsen/logrus v1.7.0
+	github.com/sirupsen/logrus v1.9.0
 	github.com/spf13/cobra v1.3.0
 	github.com/spf13/viper v1.10.1
-	github.com/vulcanize/go-eth-state-node-iterator v1.0.1
+	github.com/vulcanize/leveldb-ethdb-rpc v0.1.7
 )

-replace github.com/ethereum/go-ethereum v1.10.17 => github.com/vulcanize/go-ethereum v1.10.17-statediff-3.2.1
+require (
+	github.com/VictoriaMetrics/fastcache v1.6.0 // indirect
+	github.com/beorn7/perks v1.0.1 // indirect
+	github.com/btcsuite/btcd/btcec/v2 v2.2.0 // indirect
+	github.com/cespare/xxhash/v2 v2.1.2 // indirect
+	github.com/cpuguy83/go-md2man/v2 v2.0.2 // indirect
+	github.com/davecgh/go-spew v1.1.1 // 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/edsrzf/mmap-go v1.0.0 // indirect
+	github.com/fjl/memsize v0.0.0-20190710130421-bcb5799ab5e5 // indirect
+	github.com/fsnotify/fsnotify v1.5.4 // indirect
+	github.com/gballet/go-libpcsclite v0.0.0-20190607065134-2772fd86a8ff // indirect
+	github.com/georgysavva/scany v0.2.9 // indirect
+	github.com/go-ole/go-ole v1.2.6 // indirect
+	github.com/go-stack/stack v1.8.0 // 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/uuid v1.3.0 // indirect
+	github.com/gorilla/websocket v1.4.2 // indirect
+	github.com/graph-gophers/graphql-go v1.3.0 // indirect
+	github.com/hashicorp/go-bexpr v0.1.10 // 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-block-format v0.0.3 // indirect
+	github.com/ipfs/go-cid v0.2.0 // indirect
+	github.com/ipfs/go-datastore v0.5.1 // indirect
+	github.com/ipfs/go-ipfs-blockstore v1.2.0 // indirect
+	github.com/ipfs/go-ipfs-ds-help v1.1.0 // indirect
+	github.com/ipfs/go-ipfs-util v0.0.2 // indirect
+	github.com/ipfs/go-ipld-format v0.4.0 // indirect
+	github.com/ipfs/go-log v1.0.5 // indirect
+	github.com/ipfs/go-log/v2 v2.1.3 // indirect
+	github.com/ipfs/go-metrics-interface v0.0.1 // indirect
+	github.com/jackc/chunkreader/v2 v2.0.1 // indirect
+	github.com/jackc/pgconn v1.10.0 // indirect
+	github.com/jackc/pgio v1.0.0 // indirect
+	github.com/jackc/pgpassfile v1.0.0 // indirect
+	github.com/jackc/pgproto3/v2 v2.1.1 // indirect
+	github.com/jackc/pgservicefile v0.0.0-20200714003250-2b9c44734f2b // indirect
+	github.com/jackc/pgtype v1.8.1 // indirect
+	github.com/jackc/pgx/v4 v4.13.0 // indirect
+	github.com/jackc/puddle v1.1.3 // indirect
+	github.com/jackpal/go-nat-pmp v1.0.2 // indirect
+	github.com/jbenet/goprocess v0.1.4 // indirect
+	github.com/klauspost/cpuid/v2 v2.0.9 // indirect
+	github.com/lib/pq v1.10.6 // indirect
+	github.com/magiconair/properties v1.8.5 // 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/matttproud/golang_protobuf_extensions v1.0.1 // indirect
+	github.com/minio/blake2b-simd v0.0.0-20160723061019-3f5f724cb5b1 // indirect
+	github.com/minio/sha256-simd v1.0.0 // indirect
+	github.com/mitchellh/mapstructure v1.4.3 // indirect
+	github.com/mitchellh/pointerstructure v1.2.0 // indirect
+	github.com/mr-tron/base58 v1.2.0 // indirect
+	github.com/multiformats/go-base32 v0.0.3 // indirect
+	github.com/multiformats/go-base36 v0.1.0 // indirect
+	github.com/multiformats/go-multibase v0.0.3 // indirect
+	github.com/multiformats/go-multihash v0.1.0 // indirect
+	github.com/multiformats/go-varint v0.0.6 // indirect
+	github.com/olekukonko/tablewriter v0.0.5 // indirect
+	github.com/opentracing/opentracing-go v1.2.0 // indirect
+	github.com/pelletier/go-toml v1.9.4 // 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/prometheus/client_model v0.2.0 // indirect
+	github.com/prometheus/common v0.9.1 // indirect
+	github.com/prometheus/procfs v0.0.8 // indirect
+	github.com/prometheus/tsdb v0.10.0 // 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/shirou/gopsutil v3.21.11+incompatible // indirect
+	github.com/spaolacci/murmur3 v1.1.0 // indirect
+	github.com/spf13/afero v1.6.0 // 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/tklauser/go-sysconf v0.3.6 // 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/xrash/smetrics v0.0.0-20201216005158-039620a65673 // indirect
+	github.com/yusufpapurcu/wmi v1.2.2 // indirect
+	go.uber.org/atomic v1.7.0 // indirect
+	go.uber.org/multierr v1.6.0 // indirect
+	go.uber.org/zap v1.17.0 // indirect
+	golang.org/x/crypto v0.0.0-20220829220503-c86fa9a7ed90 // 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
+	google.golang.org/protobuf v1.27.1 // indirect
+	gopkg.in/ini.v1 v1.66.2 // indirect
+	gopkg.in/natefinch/npipe.v2 v2.0.0-20160621034901-c1b8fa8bdcce // indirect
+	gopkg.in/yaml.v2 v2.4.0 // indirect
+	gopkg.in/yaml.v3 v3.0.1 // indirect
+	lukechampine.com/blake3 v1.1.6 // indirect
+)
+
+replace github.com/ethereum/go-ethereum v1.10.23 => github.com/cerc-io/go-ethereum v1.10.23-statediff-4.2.0-alpha
@@ -50,33 +50,14 @@ cloud.google.com/go/storage v1.8.0/go.mod h1:Wv1Oy7z6Yz3DshWRJFhqM/UCfaWIRTdp0RX
 cloud.google.com/go/storage v1.10.0/go.mod h1:FLPqc6j+Ki4BU591ie1oL6qBQGu2Bl/tZ9ullr3+Kg0=
 collectd.org v0.3.0/go.mod h1:A/8DzQBkF6abtvrT2j/AU/4tiBgJWYyh0y/oB/4MlWE=
 dmitri.shuralyov.com/gpu/mtl v0.0.0-20190408044501-666a987793e9/go.mod h1:H6x//7gZCb22OMCxBHrMx7a5I7Hp++hsVxbQ4BYO7hU=
-github.com/Azure/azure-pipeline-go v0.2.1/go.mod h1:UGSo8XybXnIGZ3epmeBw7Jdz+HiUVpqIlpz/HKHylF4=
-github.com/Azure/azure-pipeline-go v0.2.2/go.mod h1:4rQ/NZncSvGqNkkOsNpOU1tgoNuIlp9AfUH5G1tvCHc=
-github.com/Azure/azure-sdk-for-go/sdk/azcore v0.21.1/go.mod h1:fBF9PQNqB8scdgpZ3ufzaLntG0AG7C1WjPMsiFOmfHM=
-github.com/Azure/azure-sdk-for-go/sdk/internal v0.8.3/go.mod h1:KLF4gFr6DcKFZwSuH8w8yEK6DpFl3LP5rhdvAb7Yz5I=
-github.com/Azure/azure-sdk-for-go/sdk/storage/azblob v0.3.0/go.mod h1:tPaiy8S5bQ+S5sOiDlINkp7+Ef339+Nz5L5XO+cnOHo=
-github.com/Azure/azure-storage-blob-go v0.7.0/go.mod h1:f9YQKtsG1nMisotuTPpO0tjNuEjKRYAcJU8/ydDI++4=
-github.com/Azure/go-autorest/autorest v0.9.0/go.mod h1:xyHB1BMZT0cuDHU7I0+g046+BFDTQ8rEZB0s4Yfa6bI=
-github.com/Azure/go-autorest/autorest/adal v0.5.0/go.mod h1:8Z9fGy2MpX0PvDjB1pEgQTmVqjGhiHBW7RJJEciWzS0=
-github.com/Azure/go-autorest/autorest/adal v0.8.0/go.mod h1:Z6vX6WXXuyieHAXwMj0S6HY6e6wcHn37qQMBQlvY3lc=
-github.com/Azure/go-autorest/autorest/date v0.1.0/go.mod h1:plvfp3oPSKwf2DNjlBjWF/7vwR+cUD/ELuzDCXwHUVA=
-github.com/Azure/go-autorest/autorest/date v0.2.0/go.mod h1:vcORJHLJEh643/Ioh9+vPmf1Ij9AEBM5FuBIXLmIy0g=
-github.com/Azure/go-autorest/autorest/mocks v0.1.0/go.mod h1:OTyCOPRA2IgIlWxVYxBee2F5Gr4kF2zd2J5cFRaIDN0=
-github.com/Azure/go-autorest/autorest/mocks v0.2.0/go.mod h1:OTyCOPRA2IgIlWxVYxBee2F5Gr4kF2zd2J5cFRaIDN0=
-github.com/Azure/go-autorest/autorest/mocks v0.3.0/go.mod h1:a8FDP3DYzQ4RYfVAxAN3SVSiiO77gL2j2ronKKP0syM=
-github.com/Azure/go-autorest/logger v0.1.0/go.mod h1:oExouG+K6PryycPJfVSxi/koC6LSNgds39diKLz7Vrc=
-github.com/Azure/go-autorest/tracing v0.5.0/go.mod h1:r/s2XiOKccPW3HrqB+W0TQzfbtp2fGCgRFtBroKn4Dk=
 github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
 github.com/BurntSushi/xgb v0.0.0-20160522181843-27f122750802/go.mod h1:IVnqGOEym/WlBOVXweHU+Q+/VP0lqqI8lqeDx9IjBqo=
 github.com/DATA-DOG/go-sqlmock v1.3.3/go.mod h1:f/Ixk793poVmq4qj/V1dPUg2JEAKC73Q5eFN3EC/SaM=
 github.com/DataDog/datadog-go v3.2.0+incompatible/go.mod h1:LButxg5PwREeZtORoXG3tL4fMGNddJ+vMq1mwgfaqoQ=
 github.com/Masterminds/semver/v3 v3.1.1/go.mod h1:VPu/7SZ7ePZ3QOrcuXROw5FAcLl4a0cBrbBpGY/8hQs=
 github.com/OneOfOne/xxhash v1.2.2/go.mod h1:HSdplMjZKSmBqAxg5vPj2TmRDmfkzw+cTzAElWljhcU=
-github.com/StackExchange/wmi v0.0.0-20180116203802-5d049714c4a6 h1:fLjPD/aNc3UIOA6tDi6QXUemppXK3P9BI7mr2hd6gx8=
-github.com/StackExchange/wmi v0.0.0-20180116203802-5d049714c4a6/go.mod h1:3eOhrUMpNV+6aFIbp5/iudMxNCF27Vw2OZgy4xEx0Fg=
 github.com/VictoriaMetrics/fastcache v1.6.0 h1:C/3Oi3EiBCqufydp1neRZkqcwmEiuRT9c3fqvvgKm5o=
 github.com/VictoriaMetrics/fastcache v1.6.0/go.mod h1:0qHz5QP0GMX4pfmMA/zt5RgfNuXJrTP0zS7DqpHGGTw=
-github.com/aead/siphash v1.0.1/go.mod h1:Nywa3cDsYNNK3gaciGTWPwHt0wlpNV15vwmswBAUSII=
 github.com/ajstarks/svgo v0.0.0-20180226025133-644b8db467af/go.mod h1:K08gAheRH3/J6wwsYMMT4xOr94bZjxIelGM0+d/wbFw=
 github.com/alecthomas/template v0.0.0-20160405071501-a0175ee3bccc/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc=
 github.com/alecthomas/template v0.0.0-20190718012654-fb15b899a751/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc=
@@ -92,15 +73,6 @@ github.com/armon/go-metrics v0.0.0-20180917152333-f0300d1749da/go.mod h1:Q73ZrmV
 github.com/armon/go-metrics v0.3.10/go.mod h1:4O98XIr/9W0sxpJ8UaYkvjk10Iff7SnFrb4QAOwNTFc=
 github.com/armon/go-radix v0.0.0-20180808171621-7fddfc383310/go.mod h1:ufUuZ+zHj4x4TnLV4JWEpy2hxWSpsRywHrMgIH9cCH8=
 github.com/armon/go-radix v1.0.0/go.mod h1:ufUuZ+zHj4x4TnLV4JWEpy2hxWSpsRywHrMgIH9cCH8=
-github.com/aws/aws-sdk-go-v2 v1.2.0/go.mod h1:zEQs02YRBw1DjK0PoJv3ygDYOFTre1ejlJWl8FwAuQo=
-github.com/aws/aws-sdk-go-v2/config v1.1.1/go.mod h1:0XsVy9lBI/BCXm+2Tuvt39YmdHwS5unDQmxZOYe8F5Y=
-github.com/aws/aws-sdk-go-v2/credentials v1.1.1/go.mod h1:mM2iIjwl7LULWtS6JCACyInboHirisUUdkBPoTHMOUo=
-github.com/aws/aws-sdk-go-v2/feature/ec2/imds v1.0.2/go.mod h1:3hGg3PpiEjHnrkrlasTfxFqUsZ2GCk/fMUn4CbKgSkM=
-github.com/aws/aws-sdk-go-v2/service/internal/presigned-url v1.0.2/go.mod h1:45MfaXZ0cNbeuT0KQ1XJylq8A6+OpVV2E5kvY/Kq+u8=
-github.com/aws/aws-sdk-go-v2/service/route53 v1.1.1/go.mod h1:rLiOUrPLW/Er5kRcQ7NkwbjlijluLsrIbu/iyl35RO4=
-github.com/aws/aws-sdk-go-v2/service/sso v1.1.1/go.mod h1:SuZJxklHxLAXgLTc1iFXbEWkXs7QRTQpCLGaKIprQW0=
-github.com/aws/aws-sdk-go-v2/service/sts v1.1.1/go.mod h1:Wi0EBZwiz/K44YliU0EKxqTCJGUfYTWXrrBwkq736bM=
-github.com/aws/smithy-go v1.1.0/go.mod h1:EzMw8dbp/YJL4A5/sbhGddag+NPT7q084agLbB9LgIw=
 github.com/beorn7/perks v0.0.0-20180321164747-3a771d992973/go.mod h1:Dwedo/Wpr24TaqPxmxbtue+5NUziq4I4S80YR8gNf3Q=
 github.com/beorn7/perks v1.0.0/go.mod h1:KWe93zE9D1o94FZ5RNwFwVgaQK1VOXiVxmqh+CedLV8=
 github.com/beorn7/perks v1.0.1 h1:VlbKKnNfV8bJzeqoa4cOKqO6bYr3WgKZxO8Z16+hsOM=
@@ -108,25 +80,17 @@ github.com/beorn7/perks v1.0.1/go.mod h1:G2ZrVWU2WbWT9wwq4/hrbKbnv/1ERSJQ0ibhJ6r
 github.com/bgentry/speakeasy v0.1.0/go.mod h1:+zsyZBPWlz7T6j88CTgSN5bM796AkVf0kBD4zp0CCIs=
 github.com/bmizerany/pat v0.0.0-20170815010413-6226ea591a40/go.mod h1:8rLXio+WjiTceGBHIoTvn60HIbs7Hm7bcHjyrSqYB9c=
 github.com/boltdb/bolt v1.3.1/go.mod h1:clJnj/oiGkjum5o1McbSZDSLxVThjynRyGBgiAx27Ps=
-github.com/btcsuite/btcd v0.20.1-beta/go.mod h1:wVuoA8VJLEcwgqHBwHmzLRazpKxTv13Px/pDuV7OomQ=
-github.com/btcsuite/btcd/btcec/v2 v2.1.2 h1:YoYoC9J0jwfukodSBMzZYUVQ8PTiYg4BnOWiJVzTmLs=
-github.com/btcsuite/btcd/btcec/v2 v2.1.2/go.mod h1:ctjw4H1kknNJmRN4iP1R7bTQ+v3GJkZBd6mui8ZsAZE=
-github.com/btcsuite/btcd/chaincfg/chainhash v1.0.0/go.mod h1:7SFka0XMvUgj3hfZtydOrQY2mwhPclbT2snogU7SQQc=
+github.com/btcsuite/btcd/btcec/v2 v2.2.0 h1:fzn1qaOt32TuLjFlkzYSsBC35Q3KUjT1SwPxiMSCF5k=
+github.com/btcsuite/btcd/btcec/v2 v2.2.0/go.mod h1:U7MHm051Al6XmscBQ0BoNydpOTsFAn707034b5nY8zU=
 github.com/btcsuite/btcd/chaincfg/chainhash v1.0.1 h1:q0rUy8C/TYNBQS1+CGKw68tLOFYSNEs0TFnxxnS9+4U=
-github.com/btcsuite/btcd/chaincfg/chainhash v1.0.1/go.mod h1:7SFka0XMvUgj3hfZtydOrQY2mwhPclbT2snogU7SQQc=
-github.com/btcsuite/btclog v0.0.0-20170628155309-84c8d2346e9f/go.mod h1:TdznJufoqS23FtqVCzL0ZqgP5MqXbb4fg/WgDys70nA=
-github.com/btcsuite/btcutil v0.0.0-20190425235716-9e5f4b9a998d/go.mod h1:+5NJ2+qvTyV9exUAL/rxXi3DcLg2Ts+ymUAY5y4NvMg=
-github.com/btcsuite/go-socks v0.0.0-20170105172521-4720035b7bfd/go.mod h1:HHNXQzUsZCxOoE+CPiyCTO6x34Zs86zZUiwtpXoGdtg=
-github.com/btcsuite/goleveldb v0.0.0-20160330041536-7834afc9e8cd/go.mod h1:F+uVaaLLH7j4eDXPRvw78tMflu7Ie2bzYOH4Y8rRKBY=
-github.com/btcsuite/snappy-go v0.0.0-20151229074030-0bdef8d06723/go.mod h1:8woku9dyThutzjeg+3xrA5iCpBRH8XEEg3lh6TiUghc=
-github.com/btcsuite/websocket v0.0.0-20150119174127-31079b680792/go.mod h1:ghJtEyQwv5/p4Mg4C0fgbePVuGr935/5ddU9Z3TmDRY=
-github.com/btcsuite/winsvc v1.0.0/go.mod h1:jsenWakMcC0zFBFurPLEAyrnc/teJEM1O46fmI40EZs=
 github.com/c-bata/go-prompt v0.2.2/go.mod h1:VzqtzE2ksDBcdln8G7mk2RX9QyGjH+OVqOCSiVIqS34=
 github.com/census-instrumentation/opencensus-proto v0.2.1/go.mod h1:f6KPmirojxKA12rnyqOA5BBL4O983OfeGPqjHWSTneU=
 github.com/census-instrumentation/opencensus-proto v0.3.0/go.mod h1:f6KPmirojxKA12rnyqOA5BBL4O983OfeGPqjHWSTneU=
+github.com/cerc-io/go-eth-state-node-iterator v1.1.7 h1:i4zCKkfowJ4aUVpqVyMpOZIbD5WVm/iijhMAPgcLJ44=
+github.com/cerc-io/go-eth-state-node-iterator v1.1.7/go.mod h1:BBh4BetpBoHUbAiKAdatR3ij7IzDlgN9nPzZ7snn/lo=
+github.com/cerc-io/go-ethereum v1.10.23-statediff-4.2.0-alpha h1:Na4mum/Qkw1mRHnq/TIRPIF5exZAEBznVs3G3/YSENo=
+github.com/cerc-io/go-ethereum v1.10.23-statediff-4.2.0-alpha/go.mod h1:lKBVBWksSwBDR/5D9CAxaGQzDPIS3ueWb6idy7X1Shg=
 github.com/cespare/cp v0.1.0 h1:SE+dxFebS7Iik5LK0tsi1k9ZCxEaFX4AjQmoyA+1dJk=
-github.com/cespare/cp v0.1.0/go.mod h1:SOGHArjBr4JWaSDEVpWpo/hNg6RoKrls6Oh40hiwW+s=
-github.com/cespare/xxhash v1.1.0 h1:a6HrQnmkObjyL+Gs60czilIUGqrzKutQD6XZog3p+ko=
 github.com/cespare/xxhash v1.1.0/go.mod h1:XrSqR1VqqWfGrhpAt58auRo0WTKS1nRRg3ghfAqPWnc=
 github.com/cespare/xxhash/v2 v2.1.1/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
 github.com/cespare/xxhash/v2 v2.1.2 h1:YRXhKfTDauu4ajMg1TPgFO5jnlC2HCbmLXMcTG5cbYE=
@@ -137,7 +101,6 @@ github.com/chzyer/test v0.0.0-20180213035817-a1ea475d72b1/go.mod h1:Q3SI9o4m/ZMn
 github.com/circonus-labs/circonus-gometrics v2.3.1+incompatible/go.mod h1:nmEj6Dob7S7YxXgwXpfOuvO54S+tGdZdw9fuRZt25Ag=
 github.com/circonus-labs/circonusllhist v0.1.3/go.mod h1:kMXHVDlOchFAehlya5ePtbp5jckzBHf4XRpQvBOLI+I=
 github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDkc90ppPyw=
-github.com/cloudflare/cloudflare-go v0.14.0/go.mod h1:EnwdgGMaFOruiPZRFSgn+TsQ3hQ7C/YWzIGLeu5c304=
 github.com/cncf/udpa/go v0.0.0-20191209042840-269d4d468f6f/go.mod h1:M8M6+tZqaGXZJjfX53e64911xZQV5JYwmTeXPW+k8Sc=
 github.com/cncf/udpa/go v0.0.0-20200629203442-efcf912fb354/go.mod h1:WmhPx2Nbnhtbo57+VJT5O0JRkEi1Wbu0z5j0R8u5Hbk=
 github.com/cncf/udpa/go v0.0.0-20201120205902-5459f2c99403/go.mod h1:WmhPx2Nbnhtbo57+VJT5O0JRkEi1Wbu0z5j0R8u5Hbk=
@@ -152,23 +115,19 @@ github.com/cockroachdb/apd v1.1.0 h1:3LFP3629v+1aKXU5Q37mxmRxX/pIu1nijXydLShEq5I
 github.com/cockroachdb/apd v1.1.0/go.mod h1:8Sl8LxpKi29FqWXR16WEFZRNSz3SoPzUzeMeY4+DwBQ=
 github.com/cockroachdb/cockroach-go/v2 v2.0.3 h1:ZA346ACHIZctef6trOTwBAEvPVm1k0uLm/bb2Atc+S8=
 github.com/cockroachdb/cockroach-go/v2 v2.0.3/go.mod h1:hAuDgiVgDVkfirP9JnhXEfcXEPRKBpYdGz+l7mvYSzw=
-github.com/consensys/bavard v0.1.8-0.20210406032232-f3452dc9b572/go.mod h1:Bpd0/3mZuaj6Sj+PqrmIquiOKy397AKGThQPaGzNXAQ=
-github.com/consensys/gnark-crypto v0.4.1-0.20210426202927-39ac3d4b3f1f/go.mod h1:815PAHg3wvysy0SyIqanF8gZ0Y1wjk/hrDHD/iT88+Q=
 github.com/coreos/go-semver v0.3.0/go.mod h1:nnelYz7RCh+5ahJtPPxZlU+153eP4D4r3EedlOD2RNk=
 github.com/coreos/go-systemd v0.0.0-20190321100706-95778dfbb74e/go.mod h1:F5haX7vjVVG0kc13fIWeqUViNPyEJxv/OmvnBo0Yme4=
 github.com/coreos/go-systemd v0.0.0-20190719114852-fd7a80b32e1f/go.mod h1:F5haX7vjVVG0kc13fIWeqUViNPyEJxv/OmvnBo0Yme4=
 github.com/coreos/go-systemd/v22 v22.3.2/go.mod h1:Y58oyj3AT4RCenI/lSvhwexgC+NSVTIJ3seZv2GcEnc=
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@@ -182,13 +141,7 @@ github.com/denisenkom/go-mssqldb v0.0.0-20191124224453-732737034ffd/go.mod h1:xb
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@@ -204,7 +157,6 @@ github.com/envoyproxy/go-control-plane v0.10.1/go.mod h1:AY7fTTXNdv/aJ2O5jwpxAPO
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@@ -213,8 +165,9 @@ github.com/fjl/memsize v0.0.0-20190710130421-bcb5799ab5e5/go.mod h1:VvhXpOYNQvB+
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@@ -229,23 +182,23 @@ github.com/go-gl/glfw v0.0.0-20190409004039-e6da0acd62b1/go.mod h1:vR7hzQXu2zJy9
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@@ -294,6 +247,7 @@ github.com/golang/protobuf v1.5.1/go.mod h1:DopwsBzvsk0Fs44TXzsVbJyPhcCPeIwnvohx
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@@ -315,7 +269,6 @@ github.com/google/go-cmp v0.5.5/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/
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@@ -331,15 +284,15 @@ github.com/google/pprof v0.0.0-20201023163331-3e6fc7fc9c4c/go.mod h1:kpwsk12EmLe
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@@ -348,14 +301,12 @@ github.com/gopherjs/gopherjs v0.0.0-20181017120253-0766667cb4d1/go.mod h1:wJfORR
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@@ -395,9 +346,8 @@ github.com/holiman/bloomfilter/v2 v2.0.3/go.mod h1:zpoh+gs7qcpqrHr3dB55AMiJwo0iU
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@@ -732,29 +681,27 @@ github.com/rs/cors v1.7.0/go.mod h1:gFx+x8UowdsKA9AchylcLynDq+nNFfI8FkUZdN/jGCU=
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@@ -843,13 +793,15 @@ go.uber.org/atomic v1.7.0/go.mod h1:fEN4uk6kAWBTFdckzkM89CLk9XfWZrxpCo0nPH17wJc=
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@@ -860,7 +812,6 @@ golang.org/x/crypto v0.0.0-20190510104115-cbcb75029529/go.mod h1:yigFU9vqHzYiE8U
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@@ -870,11 +821,12 @@ golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9/go.mod h1:LzIPMQfyMNhhGPh
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@@ -948,24 +900,22 @@ golang.org/x/net v0.0.0-20200520004742-59133d7f0dd7/go.mod h1:qpuaurCH72eLCgpAm/
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@@ -1000,7 +950,6 @@ golang.org/x/sys v0.0.0-20180830151530-49385e6e1522/go.mod h1:STP8DvDyc/dI5b8T5h
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@@ -1017,6 +966,7 @@ golang.org/x/sys v0.0.0-20190726091711-fc99dfbffb4e/go.mod h1:h1NjWce9XRLGQEsW7w
 golang.org/x/sys v0.0.0-20190813064441-fde4db37ae7a/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
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@@ -1040,28 +990,27 @@ golang.org/x/sys v0.0.0-20200331124033-c3d80250170d/go.mod h1:h1NjWce9XRLGQEsW7w
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@@ -1077,10 +1026,14 @@ golang.org/x/sys v0.0.0-20210927094055-39ccf1dd6fa6/go.mod h1:oPkhp1MJrh7nUepCBc
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@@ -1154,6 +1107,7 @@ golang.org/x/tools v0.0.0-20200904185747-39188db58858/go.mod h1:Cj7w3i3Rnn0Xh82u
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@@ -1167,8 +1121,9 @@ golang.org/x/xerrors v0.0.0-20190513163551-3ee3066db522/go.mod h1:I/5z698sn9Ka8T
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@@ -1207,14 +1162,12 @@ google.golang.org/api v0.57.0/go.mod h1:dVPlbZyBo2/OjBpmvNdpn2GRm6rPy75jyU7bmhdr
 google.golang.org/api v0.59.0/go.mod h1:sT2boj7M9YJxZzgeZqXogmhfmRWDtPzT31xkieUbuZU=
 google.golang.org/api v0.61.0/go.mod h1:xQRti5UdCmoCEqFxcz93fTl338AVqDgyaDRuOZ3hg9I=
 google.golang.org/api v0.62.0/go.mod h1:dKmwPCydfsad4qCH08MSdgWjfHOyfpd4VtDGgRFdavw=
-google.golang.org/api v0.63.0/go.mod h1:gs4ij2ffTRXwuzzgJl/56BdwJaA194ijkfn++9tDuPo=
 google.golang.org/appengine v1.1.0/go.mod h1:EbEs0AVv82hx2wNQdGPgUI5lhzA/G0D9YwlJXL52JkM=
 google.golang.org/appengine v1.4.0/go.mod h1:xpcJRLb0r/rnEns0DIKYYv+WjYCduHsrkT7/EB5XEv4=
 google.golang.org/appengine v1.5.0/go.mod h1:xpcJRLb0r/rnEns0DIKYYv+WjYCduHsrkT7/EB5XEv4=
 google.golang.org/appengine v1.6.1/go.mod h1:i06prIuMbXzDqacNJfV5OdTW448YApPu5ww/cMBSeb0=
 google.golang.org/appengine v1.6.5/go.mod h1:8WjMMxjGQR8xUklV/ARdw2HLXBOI7O7uCIDZVag1xfc=
 google.golang.org/appengine v1.6.6/go.mod h1:8WjMMxjGQR8xUklV/ARdw2HLXBOI7O7uCIDZVag1xfc=
-google.golang.org/appengine v1.6.7 h1:FZR1q0exgwxzPzp/aF+VccGrSfxfPpkBqjIIEq3ru6c=
 google.golang.org/appengine v1.6.7/go.mod h1:8WjMMxjGQR8xUklV/ARdw2HLXBOI7O7uCIDZVag1xfc=
 google.golang.org/genproto v0.0.0-20180817151627-c66870c02cf8/go.mod h1:JiN7NxoALGmiZfu7CAH4rXhgtRTLTxftemlI0sWmxmc=
 google.golang.org/genproto v0.0.0-20190307195333-5fe7a883aa19/go.mod h1:VzzqZJRnGkLBvHegQrXjBqPurQTc5/KpmUdxsrq26oE=
@@ -1308,7 +1261,6 @@ google.golang.org/grpc v1.39.1/go.mod h1:PImNr+rS9TWYb2O4/emRugxiyHZ5JyHW5F+RPnD
 google.golang.org/grpc v1.40.0/go.mod h1:ogyxbiOoUXAkP+4+xa6PZSE9DZgIHtSpzjDTB9KAK34=
 google.golang.org/grpc v1.40.1/go.mod h1:ogyxbiOoUXAkP+4+xa6PZSE9DZgIHtSpzjDTB9KAK34=
 google.golang.org/grpc v1.42.0/go.mod h1:k+4IHHFw41K8+bbowsex27ge2rCb65oeWqe4jJ590SU=
-google.golang.org/grpc v1.43.0/go.mod h1:k+4IHHFw41K8+bbowsex27ge2rCb65oeWqe4jJ590SU=
 google.golang.org/grpc/cmd/protoc-gen-go-grpc v1.1.0/go.mod h1:6Kw0yEErY5E/yWrBtf03jp27GLLJujG4z/JK95pnjjw=
 google.golang.org/protobuf v0.0.0-20200109180630-ec00e32a8dfd/go.mod h1:DFci5gLYBciE7Vtevhsrf46CRTquxDuWsQurQQe4oz8=
 google.golang.org/protobuf v0.0.0-20200221191635-4d8936d0db64/go.mod h1:kwYJMbMJ01Woi6D6+Kah6886xMZcty6N08ah7+eCXa0=
@@ -1327,9 +1279,8 @@ google.golang.org/protobuf v1.27.1/go.mod h1:9q0QmTI4eRPtz6boOQmLYwt+qCgq0jsYwAQ
 gopkg.in/alecthomas/kingpin.v2 v2.2.6/go.mod h1:FMv+mEhP44yOT+4EoQTLFTRgOQ1FBLkstjWtayDeSgw=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15 h1:YR8cESwS4TdDjEe65xsg0ogRM/Nc3DYOhEAlW+xobZo=
 gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
-gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c h1:Hei/4ADfdWqJk1ZMxUNpqntNwaWcugrBjAiHlqqRiVk=
-gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c/go.mod h1:JHkPIbrfpd72SG/EVd6muEfDQjcINNoR0C8j2r3qZ4Q=
 gopkg.in/errgo.v2 v2.1.0/go.mod h1:hNsd1EY+bozCKY1Ytp96fpM3vjJbqLJn88ws8XvfDNI=
 gopkg.in/fsnotify.v1 v1.4.7/go.mod h1:Tz8NjZHkW78fSQdbUxIjBTcgA1z1m8ZHf0WmKUhAMys=
 gopkg.in/inconshreveable/log15.v2 v2.0.0-20180818164646-67afb5ed74ec/go.mod h1:aPpfJ7XW+gOuirDoZ8gHhLh3kZ1B08FtV2bbmy7Jv3s=
@@ -1337,11 +1288,8 @@ gopkg.in/ini.v1 v1.66.2 h1:XfR1dOYubytKy4Shzc2LHrrGhU0lDCfDGG1yLPmpgsI=
 gopkg.in/ini.v1 v1.66.2/go.mod h1:pNLf8WUiyNEtQjuu5G5vTm06TEv9tsIgeAvK8hOrP4k=
 gopkg.in/natefinch/npipe.v2 v2.0.0-20160621034901-c1b8fa8bdcce h1:+JknDZhAj8YMt7GC73Ei8pv4MzjDUNPHgQWJdtMAaDU=
 gopkg.in/natefinch/npipe.v2 v2.0.0-20160621034901-c1b8fa8bdcce/go.mod h1:5AcXVHNjg+BDxry382+8OKon8SEWiKktQR07RKPsv1c=
-gopkg.in/olebedev/go-duktape.v3 v3.0.0-20200619000410-60c24ae608a6/go.mod h1:uAJfkITjFhyEEuUfm7bsmCZRbW5WRq8s9EY8HZ6hCns=
 gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7 h1:uRGJdciOHaEIrze2W8Q3AKkepLTh2hOroT7a+7czfdQ=
 gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7/go.mod h1:dt/ZhP58zS4L8KSrWDmTeBkI65Dw0HsyUHuEVlX15mw=
-gopkg.in/urfave/cli.v1 v1.20.0 h1:NdAVW6RYxDif9DhDHaAortIu956m2c0v+09AZBPTbE0=
-gopkg.in/urfave/cli.v1 v1.20.0/go.mod h1:vuBzUtMdQeixQj8LVd+/98pzhxNGQoyuPBlsXHOQNO0=
 gopkg.in/yaml.v2 v2.2.1/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.2.3/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
@@ -1352,9 +1300,9 @@ gopkg.in/yaml.v2 v2.3.0/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.4.0 h1:D8xgwECY7CYvx+Y2n4sBz93Jn9JRvxdiyyo8CTfuKaY=
 gopkg.in/yaml.v2 v2.4.0/go.mod h1:RDklbk79AGWmwhnvt/jBztapEOGDOx6ZbXqjP6csGnQ=
 gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
-gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b h1:h8qDotaEPuJATrMmW04NCwg7v22aHH28wwpauUhK9Oo=
 gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
-gotest.tools v2.2.0+incompatible/go.mod h1:DsYFclhRJ6vuDpmuTbkuFWG+y2sxOXAzmJt81HFBacw=
+gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
+gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
 honnef.co/go/tools v0.0.0-20190102054323-c2f93a96b099/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
 honnef.co/go/tools v0.0.0-20190106161140-3f1c8253044a/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
 honnef.co/go/tools v0.0.0-20190418001031-e561f6794a2a/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
@@ -1362,7 +1310,8 @@ honnef.co/go/tools v0.0.0-20190523083050-ea95bdfd59fc/go.mod h1:rf3lG4BRIbNafJWh
 honnef.co/go/tools v0.0.1-2019.2.3/go.mod h1:a3bituU0lyd329TUQxRnasdCoJDkEUEAqEt0JzvZhAg=
 honnef.co/go/tools v0.0.1-2020.1.3/go.mod h1:X/FiERA/W4tHapMX5mGpAtMSVEeEUOyHaw9vFzvIQ3k=
 honnef.co/go/tools v0.0.1-2020.1.4/go.mod h1:X/FiERA/W4tHapMX5mGpAtMSVEeEUOyHaw9vFzvIQ3k=
-honnef.co/go/tools v0.1.3/go.mod h1:NgwopIslSNH47DimFoV78dnkksY2EFtX0ajyb3K/las=
+lukechampine.com/blake3 v1.1.6 h1:H3cROdztr7RCfoaTpGZFQsrqvweFLrqS73j7L7cmR5c=
+lukechampine.com/blake3 v1.1.6/go.mod h1:tkKEOtDkNtklkXtLNEOGNq5tcV90tJiA1vAA12R78LA=
 rsc.io/binaryregexp v0.2.0/go.mod h1:qTv7/COck+e2FymRvadv62gMdZztPaShugOCi3I+8D8=
 rsc.io/pdf v0.1.1/go.mod h1:n8OzWcQ6Sp37PL01nO98y4iUCRdTGarVfzxY20ICaU4=
 rsc.io/quote/v3 v3.1.0/go.mod h1:yEA65RcK8LyAZtP9Kv3t0HmxON59tX3rD+tICJqUlj0=
@@ -15,7 +15,7 @@

 package main

-import "github.com/vulcanize/eth-statediff-service/cmd"
+import "github.com/cerc-io/eth-statediff-service/cmd"

 func main() {
 	cmd.Execute()
@@ -28,7 +28,7 @@ const APIName = "statediff"
 const APIVersion = "0.0.1"

 // PublicStateDiffAPI provides an RPC interface
-// that can be used to fetch historical diffs from leveldb directly
+// that can be used to fetch historical diffs from LevelDB directly
 type PublicStateDiffAPI struct {
 	sds StateDiffService
 }
@@ -20,93 +20,25 @@
 package statediff

 import (
-	"bytes"
 	"fmt"
 	"math/bits"
 	"sync"

-	"github.com/ethereum/go-ethereum/common"
 	"github.com/ethereum/go-ethereum/core/state"
-	"github.com/ethereum/go-ethereum/core/types"
-	"github.com/ethereum/go-ethereum/crypto"
-	"github.com/ethereum/go-ethereum/log"
-	"github.com/ethereum/go-ethereum/rlp"
 	sd "github.com/ethereum/go-ethereum/statediff"
-	sdtrie "github.com/ethereum/go-ethereum/statediff/trie_helpers"
 	sdtypes "github.com/ethereum/go-ethereum/statediff/types"
-	"github.com/ethereum/go-ethereum/trie"
 	"github.com/sirupsen/logrus"

-	iter "github.com/vulcanize/go-eth-state-node-iterator"
+	iter "github.com/cerc-io/go-eth-state-node-iterator"
 )

-var (
-	nullHashBytes     = common.Hex2Bytes("0000000000000000000000000000000000000000000000000000000000000000")
-	emptyNode, _      = rlp.EncodeToBytes(&[]byte{})
-	emptyContractRoot = crypto.Keccak256Hash(emptyNode)
-	nullCodeHash      = crypto.Keccak256Hash([]byte{}).Bytes()
-)
-
-// Builder interface exposes the method for building a state diff between two blocks
-type Builder interface {
-	BuildStateDiffObject(args sd.Args, params sd.Params) (sdtypes.StateObject, error)
-	BuildStateTrieObject(current *types.Block) (sdtypes.StateObject, error)
-	WriteStateDiffObject(args sdtypes.StateRoots, params sd.Params, output sdtypes.StateNodeSink, codeOutput sdtypes.CodeSink) error
-}
-
 type builder struct {
-	stateCache state.Database
+	sd.StateDiffBuilder
 	numWorkers uint
 }

-type iterPair struct {
-	older, newer trie.NodeIterator
-}
-
-func resolveNode(it trie.NodeIterator, trieDB *trie.Database) (sdtypes.StateNode, []interface{}, error) {
-	nodePath := make([]byte, len(it.Path()))
-	copy(nodePath, it.Path())
-	node, err := trieDB.Node(it.Hash())
-	if err != nil {
-		return sdtypes.StateNode{}, nil, err
-	}
-	var nodeElements []interface{}
-	if err := rlp.DecodeBytes(node, &nodeElements); err != nil {
-		return sdtypes.StateNode{}, nil, err
-	}
-	ty, err := sdtrie.CheckKeyType(nodeElements)
-	if err != nil {
-		return sdtypes.StateNode{}, nil, err
-	}
-	return sdtypes.StateNode{
-		NodeType:  ty,
-		Path:      nodePath,
-		NodeValue: node,
-	}, nodeElements, nil
-}
-
-// convenience
-func stateNodeAppender(nodes *[]sdtypes.StateNode) sdtypes.StateNodeSink {
-	return func(node sdtypes.StateNode) error {
-		*nodes = append(*nodes, node)
-		return nil
-	}
-}
-func storageNodeAppender(nodes *[]sdtypes.StorageNode) sdtypes.StorageNodeSink {
-	return func(node sdtypes.StorageNode) error {
-		*nodes = append(*nodes, node)
-		return nil
-	}
-}
-func codeMappingAppender(data *[]sdtypes.CodeAndCodeHash) sdtypes.CodeSink {
-	return func(c sdtypes.CodeAndCodeHash) error {
-		*data = append(*data, c)
-		return nil
-	}
-}
-
 // NewBuilder is used to create a statediff builder
-func NewBuilder(stateCache state.Database, workers uint) (Builder, error) {
+func NewBuilder(stateCache state.Database, workers uint) (sd.Builder, error) {
 	if workers == 0 {
 		workers = 1
 	}
@@ -114,88 +46,20 @@ func NewBuilder(stateCache state.Database, workers uint) (Builder, error) {
 		return nil, fmt.Errorf("workers must be a power of 2")
 	}
 	return &builder{
-		stateCache: stateCache, // state cache is safe for concurrent reads
+		StateDiffBuilder: sd.StateDiffBuilder{
+			StateCache: stateCache,
+		},
 		numWorkers: workers,
 	}, nil
 }

-// BuildStateTrieObject builds a state trie object from the provided block
-func (sdb *builder) BuildStateTrieObject(current *types.Block) (sdtypes.StateObject, error) {
-	currentTrie, err := sdb.stateCache.OpenTrie(current.Root())
-	if err != nil {
-		return sdtypes.StateObject{}, fmt.Errorf("error creating trie for block %d: %v", current.Number(), err)
-	}
-	it := currentTrie.NodeIterator([]byte{})
-	stateNodes, codeAndCodeHashes, err := sdb.buildStateTrie(it)
-	if err != nil {
-		return sdtypes.StateObject{}, fmt.Errorf("error collecting state nodes for block %d: %v", current.Number(), err)
-	}
-	return sdtypes.StateObject{
-		BlockNumber:       current.Number(),
-		BlockHash:         current.Hash(),
-		Nodes:             stateNodes,
-		CodeAndCodeHashes: codeAndCodeHashes,
-	}, nil
-}
-
-func (sdb *builder) buildStateTrie(it trie.NodeIterator) ([]sdtypes.StateNode, []sdtypes.CodeAndCodeHash, error) {
-	stateNodes := make([]sdtypes.StateNode, 0)
-	codeAndCodeHashes := make([]sdtypes.CodeAndCodeHash, 0)
-	for it.Next(true) {
-		// skip value nodes
-		if it.Leaf() || bytes.Equal(nullHashBytes, it.Hash().Bytes()) {
-			continue
-		}
-		node, nodeElements, err := resolveNode(it, sdb.stateCache.TrieDB())
-		if err != nil {
-			return nil, nil, err
-		}
-		switch node.NodeType {
-		case sdtypes.Leaf:
-			var account types.StateAccount
-			if err := rlp.DecodeBytes(nodeElements[1].([]byte), &account); err != nil {
-				return nil, nil, fmt.Errorf("error decoding account for leaf node at path %x nerror: %v", node.Path, err)
-			}
-			partialPath := trie.CompactToHex(nodeElements[0].([]byte))
-			valueNodePath := append(node.Path, partialPath...)
-			encodedPath := trie.HexToCompact(valueNodePath)
-			leafKey := encodedPath[1:]
-			node.LeafKey = leafKey
-			if !bytes.Equal(account.CodeHash, nullCodeHash) {
-				var storageNodes []sdtypes.StorageNode
-				err := sdb.buildStorageNodesEventual(account.Root, true, storageNodeAppender(&storageNodes))
-				if err != nil {
-					return nil, nil, fmt.Errorf("failed building eventual storage diffs for account %+v\r\nerror: %v", account, err)
-				}
-				node.StorageNodes = storageNodes
-				// emit codehash => code mappings for code
-				codeHash := common.BytesToHash(account.CodeHash)
-				code, err := sdb.stateCache.ContractCode(common.Hash{}, codeHash)
-				if err != nil {
-					return nil, nil, fmt.Errorf("failed to retrieve code for codehash %s\r\n error: %v", codeHash.String(), err)
-				}
-				codeAndCodeHashes = append(codeAndCodeHashes, sdtypes.CodeAndCodeHash{
-					Hash: codeHash,
-					Code: code,
-				})
-			}
-			stateNodes = append(stateNodes, node)
-		case sdtypes.Extension, sdtypes.Branch:
-			stateNodes = append(stateNodes, node)
-		default:
-			return nil, nil, fmt.Errorf("unexpected node type %s", node.NodeType)
-		}
-	}
-	return stateNodes, codeAndCodeHashes, it.Error()
-}
-
 // BuildStateDiffObject builds a statediff object from two blocks and the provided parameters
 func (sdb *builder) BuildStateDiffObject(args sd.Args, params sd.Params) (sdtypes.StateObject, error) {
 	var stateNodes []sdtypes.StateNode
 	var codeAndCodeHashes []sdtypes.CodeAndCodeHash
 	err := sdb.WriteStateDiffObject(
 		sdtypes.StateRoots{OldStateRoot: args.OldStateRoot, NewStateRoot: args.NewStateRoot},
-		params, stateNodeAppender(&stateNodes), codeMappingAppender(&codeAndCodeHashes))
+		params, sd.StateNodeAppender(&stateNodes), sd.CodeMappingAppender(&codeAndCodeHashes))
 	if err != nil {
 		return sdtypes.StateObject{}, err
 	}
@@ -209,18 +73,12 @@ func (sdb *builder) BuildStateDiffObject(args sd.Args, params sd.Params) (sdtype

 // WriteStateDiffObject writes a statediff object to output callback
 func (sdb *builder) WriteStateDiffObject(args sdtypes.StateRoots, params sd.Params, output sdtypes.StateNodeSink, codeOutput sdtypes.CodeSink) error {
-	if len(params.WatchedAddresses) > 0 {
-		// if we are watching only specific accounts then we are only diffing leaf nodes
-		log.Info("Ignoring intermediate state nodes because WatchedAddresses was passed")
-		params.IntermediateStateNodes = false
-	}
-
 	// Load tries for old and new states
-	oldTrie, err := sdb.stateCache.OpenTrie(args.OldStateRoot)
+	oldTrie, err := sdb.StateCache.OpenTrie(args.OldStateRoot)
 	if err != nil {
 		return fmt.Errorf("error creating trie for oldStateRoot: %v", err)
 	}
-	newTrie, err := sdb.stateCache.OpenTrie(args.NewStateRoot)
+	newTrie, err := sdb.StateCache.OpenTrie(args.NewStateRoot)
 	if err != nil {
 		return fmt.Errorf("error creating trie for newStateRoot: %v", err)
 	}
@@ -234,11 +92,11 @@ func (sdb *builder) WriteStateDiffObject(args sdtypes.StateRoots, params sd.Para
 	// Create iterators ahead of time to avoid race condition in state.Trie access
 	// We do two state iterations per subtrie: one for new/updated nodes,
 	// one for deleted/updated nodes; prepare 2 iterator instances for each task
-	var iterPairs [][]iterPair
+	var iterPairs [][]sd.IterPair
 	for i := uint(0); i < sdb.numWorkers; i++ {
-		iterPairs = append(iterPairs, []iterPair{
-			{older: oldIters1[i], newer: newIters1[i]},
-			{older: oldIters2[i], newer: newIters2[i]},
+		iterPairs = append(iterPairs, []sd.IterPair{
+			{Older: oldIters1[i], Newer: newIters1[i]},
+			{Older: oldIters2[i], Newer: newIters2[i]},
 		})
 	}

@@ -255,8 +113,15 @@ func (sdb *builder) WriteStateDiffObject(args sdtypes.StateRoots, params sd.Para
 			wg.Add(1)
 			go func(worker uint) {
 				defer wg.Done()
-				if err := sdb.buildStateDiff(iterPairs[worker], params, nodeSender, codeSender); err != nil {
-					logrus.Errorf("buildStateDiff error for worker %d, pparams %+v", worker, params)
+				var err error
+				if !params.IntermediateStateNodes {
+					err = sdb.BuildStateDiffWithoutIntermediateStateNodes(iterPairs[worker], params, nodeSender, codeSender)
+				} else {
+					err = sdb.BuildStateDiffWithIntermediateStateNodes(iterPairs[worker], params, nodeSender, codeSender)
+				}
+
+				if err != nil {
+					logrus.Errorf("buildStateDiff error for worker %d, params %+v", worker, params)
 				}
 			}(w)
 		}
@@ -288,599 +153,3 @@ func (sdb *builder) WriteStateDiffObject(args sdtypes.StateRoots, params sd.Para

 	return nil
 }
-
-func (sdb *builder) buildStateDiff(args []iterPair, params sd.Params, output sdtypes.StateNodeSink, codeOutput sdtypes.CodeSink) error {
-	// collect a slice of all the intermediate nodes that were touched and exist at B
-	// a map of their leafkey to all the accounts that were touched and exist at B
-	// and a slice of all the paths for the nodes in both of the above sets
-	var diffAccountsAtB AccountMap
-	var diffPathsAtB map[string]bool
-	var err error
-	if params.IntermediateStateNodes {
-		diffAccountsAtB, diffPathsAtB, err = sdb.createdAndUpdatedStateWithIntermediateNodes(args[0], output)
-	} else {
-		diffAccountsAtB, diffPathsAtB, err = sdb.createdAndUpdatedState(args[0], params.WatchedAddressesLeafKeys())
-	}
-
-	if err != nil {
-		return fmt.Errorf("error collecting createdAndUpdatedNodes: %v", err)
-	}
-
-	// collect a slice of all the nodes that existed at a path in A that doesn't exist in B
-	// a map of their leafkey to all the accounts that were touched and exist at A
-	diffAccountsAtA, err := sdb.deletedOrUpdatedState(args[1], diffAccountsAtB, diffPathsAtB, params.WatchedAddressesLeafKeys(), params.IntermediateStorageNodes, output)
-	if err != nil {
-		return fmt.Errorf("error collecting deletedOrUpdatedNodes: %v", err)
-	}
-
-	// collect and sort the leafkeys for both account mappings into a slice
-	createKeys := sortKeys(diffAccountsAtB)
-	deleteKeys := sortKeys(diffAccountsAtA)
-
-	// and then find the intersection of these keys
-	// these are the leafkeys for the accounts which exist at both A and B but are different
-	// this also mutates the passed in createKeys and deleteKeys, removing the intersection keys
-	// and leaving the truly created or deleted keys in place
-	updatedKeys := findIntersection(createKeys, deleteKeys)
-
-	// build the diff nodes for the updated accounts using the mappings at both A and B as directed by the keys found as the intersection of the two
-	err = sdb.buildAccountUpdates(
-		diffAccountsAtB, diffAccountsAtA, updatedKeys, params.IntermediateStorageNodes, output)
-	if err != nil {
-		return fmt.Errorf("error building diff for updated accounts: %v", err)
-	}
-	// build the diff nodes for created accounts
-	err = sdb.buildAccountCreations(diffAccountsAtB, params.IntermediateStorageNodes, output, codeOutput)
-	if err != nil {
-		return fmt.Errorf("error building diff for created accounts: %v", err)
-	}
-	return nil
-}
-
-// createdAndUpdatedState returns
-// a mapping of their leafkeys to all the accounts that exist in a different state at B than A
-// and a slice of the paths for all of the nodes included in both
-func (sdb *builder) createdAndUpdatedState(iters iterPair, watchedAddressesLeafKeys map[common.Hash]struct{}) (AccountMap, map[string]bool, error) {
-	diffPathsAtB := make(map[string]bool)
-	diffAcountsAtB := make(AccountMap)
-	it, _ := trie.NewDifferenceIterator(iters.older, iters.newer)
-	for it.Next(true) {
-		if it.Leaf() || bytes.Equal(nullHashBytes, it.Hash().Bytes()) {
-			continue
-		}
-		node, nodeElements, err := sdtrie.ResolveNode(it, sdb.stateCache.TrieDB())
-		if err != nil {
-			return nil, nil, err
-		}
-		switch node.NodeType {
-		case sdtypes.Leaf:
-			// created vs updated is important for leaf nodes since we need to diff their storage
-			// so we need to map all changed accounts at B to their leafkey, since account can change pathes but not leafkey
-			var account types.StateAccount
-			if err := rlp.DecodeBytes(nodeElements[1].([]byte), &account); err != nil {
-				return nil, nil, fmt.Errorf("error decoding account for leaf node at path %x nerror: %v", node.Path, err)
-			}
-			partialPath := trie.CompactToHex(nodeElements[0].([]byte))
-			valueNodePath := append(node.Path, partialPath...)
-			encodedPath := trie.HexToCompact(valueNodePath)
-			leafKey := encodedPath[1:]
-			if isWatchedAddress(watchedAddressesLeafKeys, leafKey) {
-				diffAcountsAtB[common.Bytes2Hex(leafKey)] = accountWrapper{
-					NodeType:  node.NodeType,
-					Path:      node.Path,
-					NodeValue: node.NodeValue,
-					LeafKey:   leafKey,
-					Account:   &account,
-				}
-			}
-		}
-		// add both intermediate and leaf node paths to the list of diffPathsAtB
-		diffPathsAtB[common.Bytes2Hex(node.Path)] = true
-	}
-	return diffAcountsAtB, diffPathsAtB, it.Error()
-}
-
-// createdAndUpdatedStateWithIntermediateNodes returns
-// a slice of all the intermediate nodes that exist in a different state at B than A
-// a mapping of their leafkeys to all the accounts that exist in a different state at B than A
-// and a slice of the paths for all of the nodes included in both
-func (sdb *builder) createdAndUpdatedStateWithIntermediateNodes(iters iterPair, output sdtypes.StateNodeSink) (AccountMap, map[string]bool, error) {
-	diffPathsAtB := make(map[string]bool)
-	diffAcountsAtB := make(AccountMap)
-	it, _ := trie.NewDifferenceIterator(iters.older, iters.newer)
-	for it.Next(true) {
-		if it.Leaf() || bytes.Equal(nullHashBytes, it.Hash().Bytes()) {
-			continue
-		}
-		node, nodeElements, err := resolveNode(it, sdb.stateCache.TrieDB())
-		if err != nil {
-			return nil, nil, err
-		}
-		switch node.NodeType {
-		case sdtypes.Leaf:
-			// created vs updated is important for leaf nodes since we need to diff their storage
-			// so we need to map all changed accounts at B to their leafkey, since account can change paths but not leafkey
-			var account types.StateAccount
-			if err := rlp.DecodeBytes(nodeElements[1].([]byte), &account); err != nil {
-				return nil, nil, fmt.Errorf("error decoding account for leaf node at path %x nerror: %v", node.Path, err)
-			}
-			partialPath := trie.CompactToHex(nodeElements[0].([]byte))
-			valueNodePath := append(node.Path, partialPath...)
-			encodedPath := trie.HexToCompact(valueNodePath)
-			leafKey := encodedPath[1:]
-			diffAcountsAtB[common.Bytes2Hex(leafKey)] = accountWrapper{
-				NodeType:  node.NodeType,
-				Path:      node.Path,
-				NodeValue: node.NodeValue,
-				LeafKey:   leafKey,
-				Account:   &account,
-			}
-		case sdtypes.Extension, sdtypes.Branch:
-			// create a diff for any intermediate node that has changed at b
-			// created vs updated makes no difference for intermediate nodes since we do not need to diff storage
-			if err := output(sdtypes.StateNode{
-				NodeType:  node.NodeType,
-				Path:      node.Path,
-				NodeValue: node.NodeValue,
-			}); err != nil {
-				return nil, nil, err
-			}
-		default:
-			return nil, nil, fmt.Errorf("unexpected node type %s", node.NodeType)
-		}
-		// add both intermediate and leaf node paths to the list of diffPathsAtB
-		diffPathsAtB[common.Bytes2Hex(node.Path)] = true
-	}
-	return diffAcountsAtB, diffPathsAtB, it.Error()
-}
-
-// deletedOrUpdatedState returns a slice of all the paths that are emptied at B
-// and a mapping of their leafkeys to all the accounts that exist in a different state at A than B
-func (sdb *builder) deletedOrUpdatedState(iters iterPair, diffAccountsAtB AccountMap, diffPathsAtB map[string]bool, watchedAddressesLeafKeys map[common.Hash]struct{}, intermediateStorageNodes bool, output sdtypes.StateNodeSink) (AccountMap, error) {
-	diffAccountAtA := make(AccountMap)
-	it, _ := trie.NewDifferenceIterator(iters.newer, iters.older)
-	for it.Next(true) {
-		// skip value nodes
-		if it.Leaf() || bytes.Equal(nullHashBytes, it.Hash().Bytes()) {
-			continue
-		}
-		node, nodeElements, err := sdtrie.ResolveNode(it, sdb.stateCache.TrieDB())
-		if err != nil {
-			return nil, err
-		}
-		switch node.NodeType {
-		case sdtypes.Leaf:
-			// map all different accounts at A to their leafkey
-			var account types.StateAccount
-			if err := rlp.DecodeBytes(nodeElements[1].([]byte), &account); err != nil {
-				return nil, fmt.Errorf("error decoding account for leaf node at path %x nerror: %v", node.Path, err)
-			}
-			partialPath := trie.CompactToHex(nodeElements[0].([]byte))
-			valueNodePath := append(node.Path, partialPath...)
-			encodedPath := trie.HexToCompact(valueNodePath)
-			leafKey := encodedPath[1:]
-			if isWatchedAddress(watchedAddressesLeafKeys, leafKey) {
-				diffAccountAtA[common.Bytes2Hex(leafKey)] = accountWrapper{
-					NodeType:  node.NodeType,
-					Path:      node.Path,
-					NodeValue: node.NodeValue,
-					LeafKey:   leafKey,
-					Account:   &account,
-				}
-				// if this node's path did not show up in diffPathsAtB
-				// that means the node at this path was deleted (or moved) in B
-				if _, ok := diffPathsAtB[common.Bytes2Hex(node.Path)]; !ok {
-					var diff sdtypes.StateNode
-					// if this node's leaf key also did not show up in diffAccountsAtB
-					// that means the node was deleted
-					// in that case, emit an empty "removed" diff state node
-					// include empty "removed" diff storage nodes for all the storage slots
-					if _, ok := diffAccountsAtB[common.Bytes2Hex(leafKey)]; !ok {
-						diff = sdtypes.StateNode{
-							NodeType:  sdtypes.Removed,
-							Path:      node.Path,
-							LeafKey:   leafKey,
-							NodeValue: []byte{},
-						}
-
-						var storageDiffs []sdtypes.StorageNode
-						err := sdb.buildRemovedAccountStorageNodes(account.Root, intermediateStorageNodes, storageNodeAppender(&storageDiffs))
-						if err != nil {
-							return nil, fmt.Errorf("failed building storage diffs for removed node %x\r\nerror: %v", node.Path, err)
-						}
-						diff.StorageNodes = storageDiffs
-					} else {
-						// emit an empty "removed" diff with empty leaf key if the account was moved
-						diff = sdtypes.StateNode{
-							NodeType:  sdtypes.Removed,
-							Path:      node.Path,
-							NodeValue: []byte{},
-						}
-					}
-
-					if err := output(diff); err != nil {
-						return nil, err
-					}
-				}
-			}
-		case sdtypes.Extension, sdtypes.Branch:
-			// if this node's path did not show up in diffPathsAtB
-			// that means the node at this path was deleted (or moved) in B
-			// emit an empty "removed" diff to signify as such
-			if _, ok := diffPathsAtB[common.Bytes2Hex(node.Path)]; !ok {
-				if err := output(sdtypes.StateNode{
-					Path:      node.Path,
-					NodeValue: []byte{},
-					NodeType:  sdtypes.Removed,
-				}); err != nil {
-					return nil, err
-				}
-			}
-			// fall through, we did everything we need to do with these node types
-		default:
-			return nil, fmt.Errorf("unexpected node type %s", node.NodeType)
-		}
-	}
-	return diffAccountAtA, it.Error()
-}
-
-// buildAccountUpdates uses the account diffs maps for A => B and B => A and the known intersection of their leafkeys
-// to generate the statediff node objects for all of the accounts that existed at both A and B but in different states
-// needs to be called before building account creations and deletions as this mutates
-// those account maps to remove the accounts which were updated
-func (sdb *builder) buildAccountUpdates(creations, deletions AccountMap, updatedKeys []string, intermediateStorageNodes bool, output sdtypes.StateNodeSink) error {
-	var err error
-	for _, key := range updatedKeys {
-		createdAcc := creations[key]
-		deletedAcc := deletions[key]
-		var storageDiffs []sdtypes.StorageNode
-		if deletedAcc.Account != nil && createdAcc.Account != nil {
-			oldSR := deletedAcc.Account.Root
-			newSR := createdAcc.Account.Root
-			err = sdb.buildStorageNodesIncremental(oldSR, newSR, intermediateStorageNodes, storageNodeAppender(&storageDiffs))
-			if err != nil {
-				return fmt.Errorf("failed building incremental storage diffs for account with leafkey %s\r\nerror: %v", key, err)
-			}
-		}
-		if err = output(sdtypes.StateNode{
-			NodeType:     createdAcc.NodeType,
-			Path:         createdAcc.Path,
-			NodeValue:    createdAcc.NodeValue,
-			LeafKey:      createdAcc.LeafKey,
-			StorageNodes: storageDiffs,
-		}); err != nil {
-			return err
-		}
-		delete(creations, key)
-		delete(deletions, key)
-	}
-
-	return nil
-}
-
-// buildAccountCreations returns the statediff node objects for all the accounts that exist at B but not at A
-// it also returns the code and codehash for created contract accounts
-func (sdb *builder) buildAccountCreations(accounts AccountMap, intermediateStorageNodes bool, output sdtypes.StateNodeSink, codeOutput sdtypes.CodeSink) error {
-	for _, val := range accounts {
-		diff := sdtypes.StateNode{
-			NodeType:  val.NodeType,
-			Path:      val.Path,
-			LeafKey:   val.LeafKey,
-			NodeValue: val.NodeValue,
-		}
-		if !bytes.Equal(val.Account.CodeHash, nullCodeHash) {
-			// For contract creations, any storage node contained is a diff
-			var storageDiffs []sdtypes.StorageNode
-			err := sdb.buildStorageNodesEventual(val.Account.Root, intermediateStorageNodes, storageNodeAppender(&storageDiffs))
-			if err != nil {
-				return fmt.Errorf("failed building eventual storage diffs for node %x\r\nerror: %v", val.Path, err)
-			}
-			diff.StorageNodes = storageDiffs
-			// emit codehash => code mappings for code
-			codeHash := common.BytesToHash(val.Account.CodeHash)
-			code, err := sdb.stateCache.ContractCode(common.Hash{}, codeHash)
-			if err != nil {
-				return fmt.Errorf("failed to retrieve code for codehash %s\r\n error: %v", codeHash.String(), err)
-			}
-			if err := codeOutput(sdtypes.CodeAndCodeHash{
-				Hash: codeHash,
-				Code: code,
-			}); err != nil {
-				return err
-			}
-		}
-		if err := output(diff); err != nil {
-			return err
-		}
-	}
-
-	return nil
-}
-
-// buildStorageNodesEventual builds the storage diff node objects for a created account
-// i.e. it returns all the storage nodes at this state, since there is no previous state
-func (sdb *builder) buildStorageNodesEventual(sr common.Hash, intermediateNodes bool, output sdtypes.StorageNodeSink) error {
-	if bytes.Equal(sr.Bytes(), emptyContractRoot.Bytes()) {
-		return nil
-	}
-	log.Debug("Storage Root For Eventual Diff", "root", sr.Hex())
-	sTrie, err := sdb.stateCache.OpenTrie(sr)
-	if err != nil {
-		log.Info("error in build storage diff eventual", "error", err)
-		return err
-	}
-	it := sTrie.NodeIterator(make([]byte, 0))
-	err = sdb.buildStorageNodesFromTrie(it, intermediateNodes, output)
-	if err != nil {
-		return err
-	}
-	return nil
-}
-
-// buildStorageNodesFromTrie returns all the storage diff node objects in the provided node iterator
-// if any storage keys are provided it will only return those leaf nodes
-// including intermediate nodes can be turned on or off
-func (sdb *builder) buildStorageNodesFromTrie(it trie.NodeIterator, intermediateNodes bool, output sdtypes.StorageNodeSink) error {
-	for it.Next(true) {
-		if it.Leaf() || bytes.Equal(nullHashBytes, it.Hash().Bytes()) {
-			continue
-		}
-		node, nodeElements, err := resolveNode(it, sdb.stateCache.TrieDB())
-		if err != nil {
-			return err
-		}
-		switch node.NodeType {
-		case sdtypes.Leaf:
-			partialPath := trie.CompactToHex(nodeElements[0].([]byte))
-			valueNodePath := append(node.Path, partialPath...)
-			encodedPath := trie.HexToCompact(valueNodePath)
-			leafKey := encodedPath[1:]
-			if err := output(sdtypes.StorageNode{
-				NodeType:  node.NodeType,
-				Path:      node.Path,
-				NodeValue: node.NodeValue,
-				LeafKey:   leafKey,
-			}); err != nil {
-				return err
-			}
-		case sdtypes.Extension, sdtypes.Branch:
-			if intermediateNodes {
-				if err := output(sdtypes.StorageNode{
-					NodeType:  node.NodeType,
-					Path:      node.Path,
-					NodeValue: node.NodeValue,
-				}); err != nil {
-					return err
-				}
-			}
-		default:
-			return fmt.Errorf("unexpected node type %s", node.NodeType)
-		}
-	}
-	return it.Error()
-}
-
-// buildRemovedAccountStorageNodes builds the "removed" diffs for all the storage nodes for a destroyed account
-func (sdb *builder) buildRemovedAccountStorageNodes(sr common.Hash, intermediateNodes bool, output sdtypes.StorageNodeSink) error {
-	if bytes.Equal(sr.Bytes(), emptyContractRoot.Bytes()) {
-		return nil
-	}
-	log.Debug("Storage Root For Removed Diffs", "root", sr.Hex())
-	sTrie, err := sdb.stateCache.OpenTrie(sr)
-	if err != nil {
-		log.Info("error in build removed account storage diffs", "error", err)
-		return err
-	}
-	it := sTrie.NodeIterator(make([]byte, 0))
-	err = sdb.buildRemovedStorageNodesFromTrie(it, intermediateNodes, output)
-	if err != nil {
-		return err
-	}
-	return nil
-}
-
-// buildRemovedStorageNodesFromTrie returns diffs for all the storage nodes in the provided node interator
-// including intermediate nodes can be turned on or off
-func (sdb *builder) buildRemovedStorageNodesFromTrie(it trie.NodeIterator, intermediateNodes bool, output sdtypes.StorageNodeSink) error {
-	for it.Next(true) {
-		// skip value nodes
-		if it.Leaf() || bytes.Equal(nullHashBytes, it.Hash().Bytes()) {
-			continue
-		}
-		node, nodeElements, err := resolveNode(it, sdb.stateCache.TrieDB())
-		if err != nil {
-			return err
-		}
-		switch node.NodeType {
-		case sdtypes.Leaf:
-			partialPath := trie.CompactToHex(nodeElements[0].([]byte))
-			valueNodePath := append(node.Path, partialPath...)
-			encodedPath := trie.HexToCompact(valueNodePath)
-			leafKey := encodedPath[1:]
-			if err := output(sdtypes.StorageNode{
-				NodeType:  sdtypes.Removed,
-				Path:      node.Path,
-				NodeValue: []byte{},
-				LeafKey:   leafKey,
-			}); err != nil {
-				return err
-			}
-		case sdtypes.Extension, sdtypes.Branch:
-			if intermediateNodes {
-				if err := output(sdtypes.StorageNode{
-					NodeType:  sdtypes.Removed,
-					Path:      node.Path,
-					NodeValue: []byte{},
-				}); err != nil {
-					return err
-				}
-			}
-		default:
-			return fmt.Errorf("unexpected node type %s", node.NodeType)
-		}
-	}
-	return it.Error()
-}
-
-// buildStorageNodesIncremental builds the storage diff node objects for all nodes that exist in a different state at B than A
-func (sdb *builder) buildStorageNodesIncremental(oldSR common.Hash, newSR common.Hash, intermediateNodes bool, output sdtypes.StorageNodeSink) error {
-	if bytes.Equal(newSR.Bytes(), oldSR.Bytes()) {
-		return nil
-	}
-	log.Debug("Storage Roots for Incremental Diff", "old", oldSR.Hex(), "new", newSR.Hex())
-	oldTrie, err := sdb.stateCache.OpenTrie(oldSR)
-	if err != nil {
-		return err
-	}
-	newTrie, err := sdb.stateCache.OpenTrie(newSR)
-	if err != nil {
-		return err
-	}
-
-	diffSlotsAtB, diffPathsAtB, err := sdb.createdAndUpdatedStorage(oldTrie.NodeIterator([]byte{}), newTrie.NodeIterator([]byte{}), intermediateNodes, output)
-	if err != nil {
-		return err
-	}
-	err = sdb.deletedOrUpdatedStorage(oldTrie.NodeIterator([]byte{}), newTrie.NodeIterator([]byte{}), diffSlotsAtB, diffPathsAtB, intermediateNodes, output)
-	if err != nil {
-		return err
-	}
-	return nil
-}
-
-func (sdb *builder) createdAndUpdatedStorage(a, b trie.NodeIterator, intermediateNodes bool, output sdtypes.StorageNodeSink) (map[string]bool, map[string]bool, error) {
-	diffPathsAtB := make(map[string]bool)
-	diffSlotsAtB := make(map[string]bool)
-	it, _ := trie.NewDifferenceIterator(a, b)
-	for it.Next(true) {
-		if it.Leaf() || bytes.Equal(nullHashBytes, it.Hash().Bytes()) {
-			continue
-		}
-		node, nodeElements, err := resolveNode(it, sdb.stateCache.TrieDB())
-		if err != nil {
-			return nil, nil, err
-		}
-		switch node.NodeType {
-		case sdtypes.Leaf:
-			partialPath := trie.CompactToHex(nodeElements[0].([]byte))
-			valueNodePath := append(node.Path, partialPath...)
-			encodedPath := trie.HexToCompact(valueNodePath)
-			leafKey := encodedPath[1:]
-			diffSlotsAtB[common.Bytes2Hex(leafKey)] = true
-			if err := output(sdtypes.StorageNode{
-				NodeType:  node.NodeType,
-				Path:      node.Path,
-				NodeValue: node.NodeValue,
-				LeafKey:   leafKey,
-			}); err != nil {
-				return nil, nil, err
-			}
-		case sdtypes.Extension, sdtypes.Branch:
-			if intermediateNodes {
-				if err := output(sdtypes.StorageNode{
-					NodeType:  node.NodeType,
-					Path:      node.Path,
-					NodeValue: node.NodeValue,
-				}); err != nil {
-					return nil, nil, err
-				}
-			}
-		default:
-			return nil, nil, fmt.Errorf("unexpected node type %s", node.NodeType)
-		}
-		diffPathsAtB[common.Bytes2Hex(node.Path)] = true
-	}
-	return diffSlotsAtB, diffPathsAtB, it.Error()
-}
-
-func (sdb *builder) deletedOrUpdatedStorage(a, b trie.NodeIterator, diffSlotsAtB, diffPathsAtB map[string]bool, intermediateNodes bool, output sdtypes.StorageNodeSink) error {
-	it, _ := trie.NewDifferenceIterator(b, a)
-	for it.Next(true) {
-		// skip value nodes
-		if it.Leaf() || bytes.Equal(nullHashBytes, it.Hash().Bytes()) {
-			continue
-		}
-		node, nodeElements, err := sdtrie.ResolveNode(it, sdb.stateCache.TrieDB())
-		if err != nil {
-			return err
-		}
-
-		switch node.NodeType {
-		case sdtypes.Leaf:
-			partialPath := trie.CompactToHex(nodeElements[0].([]byte))
-			valueNodePath := append(node.Path, partialPath...)
-			encodedPath := trie.HexToCompact(valueNodePath)
-			leafKey := encodedPath[1:]
-
-			// if this node's path did not show up in diffPathsAtB
-			// that means the node at this path was deleted (or moved) in B
-			if _, ok := diffPathsAtB[common.Bytes2Hex(node.Path)]; !ok {
-				// if this node's leaf key also did not show up in diffSlotsAtB
-				// that means the node was deleted
-				// in that case, emit an empty "removed" diff storage node
-				if _, ok := diffSlotsAtB[common.Bytes2Hex(leafKey)]; !ok {
-					if err := output(sdtypes.StorageNode{
-						NodeType:  sdtypes.Removed,
-						Path:      node.Path,
-						NodeValue: []byte{},
-						LeafKey:   leafKey,
-					}); err != nil {
-						return err
-					}
-				} else {
-					// emit an empty "removed" diff with empty leaf key if the account was moved
-					if err := output(sdtypes.StorageNode{
-						NodeType:  sdtypes.Removed,
-						Path:      node.Path,
-						NodeValue: []byte{},
-					}); err != nil {
-						return err
-					}
-				}
-			}
-		case sdtypes.Extension, sdtypes.Branch:
-			// if this node's path did not show up in diffPathsAtB
-			// that means the node at this path was deleted in B
-			// in that case, emit an empty "removed" diff storage node
-			if _, ok := diffPathsAtB[common.Bytes2Hex(node.Path)]; !ok {
-				if intermediateNodes {
-					if err := output(sdtypes.StorageNode{
-						NodeType:  sdtypes.Removed,
-						Path:      node.Path,
-						NodeValue: []byte{},
-					}); err != nil {
-						return err
-					}
-				}
-			}
-		default:
-			return fmt.Errorf("unexpected node type %s", node.NodeType)
-		}
-	}
-	return it.Error()
-}
-
-// isWatchedAddress is used to check if a state account corresponds to one of the addresses the builder is configured to watch
-func isWatchedAddress(watchedAddressesLeafKeys map[common.Hash]struct{}, stateLeafKey []byte) bool {
-	// If we aren't watching any specific addresses, we are watching everything
-	if len(watchedAddressesLeafKeys) == 0 {
-		return true
-	}
-
-	_, ok := watchedAddressesLeafKeys[common.BytesToHash(stateLeafKey)]
-	return ok
-}
-
-// isWatchedStorageKey is used to check if a storage leaf corresponds to one of the storage slots the builder is configured to watch
-func isWatchedStorageKey(watchedKeys []common.Hash, storageLeafKey []byte) bool {
-	// If we aren't watching any specific addresses, we are watching everything
-	if len(watchedKeys) == 0 {
-		return true
-	}
-	for _, hashKey := range watchedKeys {
-		if bytes.Equal(hashKey.Bytes(), storageLeafKey) {
-			return true
-		}
-	}
-	return false
-}
@@ -26,20 +26,19 @@ import (
 	"github.com/ethereum/go-ethereum/core/types"
 	"github.com/ethereum/go-ethereum/crypto"
 	"github.com/ethereum/go-ethereum/rlp"
-	"github.com/ethereum/go-ethereum/statediff"
+	sd "github.com/ethereum/go-ethereum/statediff"
 	"github.com/ethereum/go-ethereum/statediff/test_helpers"
 	sdtypes "github.com/ethereum/go-ethereum/statediff/types"

-	pkg "github.com/vulcanize/eth-statediff-service/pkg"
+	pkg "github.com/cerc-io/eth-statediff-service/pkg"
 )

-// TODO: add test that filters on address
 var (
 	contractLeafKey                                        []byte
 	emptyDiffs                                             = make([]sdtypes.StateNode, 0)
 	emptyStorage                                           = make([]sdtypes.StorageNode, 0)
 	block0, block1, block2, block3, block4, block5, block6 *types.Block
-	builder                                                pkg.Builder
+	builder                                                sd.Builder
 	miningReward                                           = int64(2000000000000000000)
 	minerAddress                                           = common.HexToAddress("0x0")
 	minerLeafKey                                           = test_helpers.AddressToLeafKey(minerAddress)
@@ -487,16 +486,16 @@ func TestBuilder(t *testing.T) {
 	block1 = blocks[0]
 	block2 = blocks[1]
 	block3 = blocks[2]
-	params := statediff.Params{}
+	params := sd.Params{}

 	var tests = []struct {
 		name              string
-		startingArguments statediff.Args
+		startingArguments sd.Args
 		expected          *sdtypes.StateObject
 	}{
 		{
 			"testEmptyDiff",
-			statediff.Args{
+			sd.Args{
 				OldStateRoot: block0.Root(),
 				NewStateRoot: block0.Root(),
 				BlockNumber:  block0.Number(),
@@ -511,7 +510,7 @@ func TestBuilder(t *testing.T) {
 		{
 			"testBlock0",
 			//10000 transferred from testBankAddress to account1Addr
-			statediff.Args{
+			sd.Args{
 				OldStateRoot: test_helpers.NullHash,
 				NewStateRoot: block0.Root(),
 				BlockNumber:  block0.Number(),
@@ -534,7 +533,7 @@ func TestBuilder(t *testing.T) {
 		{
 			"testBlock1",
 			//10000 transferred from testBankAddress to account1Addr
-			statediff.Args{
+			sd.Args{
 				OldStateRoot: block0.Root(),
 				NewStateRoot: block1.Root(),
 				BlockNumber:  block1.Number(),
@@ -573,7 +572,7 @@ func TestBuilder(t *testing.T) {
 			// 1000 transferred from testBankAddress to account1Addr
 			// 1000 transferred from account1Addr to account2Addr
 			// account1addr creates a new contract
-			statediff.Args{
+			sd.Args{
 				OldStateRoot: block1.Root(),
 				NewStateRoot: block2.Root(),
 				BlockNumber:  block2.Number(),
@@ -644,7 +643,7 @@ func TestBuilder(t *testing.T) {
 			"testBlock3",
 			//the contract's storage is changed
 			//and the block is mined by account 2
-			statediff.Args{
+			sd.Args{
 				OldStateRoot: block2.Root(),
 				NewStateRoot: block3.Root(),
 				BlockNumber:  block3.Number(),
@@ -721,19 +720,19 @@ func TestBuilderWithIntermediateNodes(t *testing.T) {
 	block2 = blocks[1]
 	block3 = blocks[2]
 	blocks = append([]*types.Block{block0}, blocks...)
-	params := statediff.Params{
+	params := sd.Params{
 		IntermediateStateNodes:   true,
 		IntermediateStorageNodes: true,
 	}

 	var tests = []struct {
 		name              string
-		startingArguments statediff.Args
+		startingArguments sd.Args
 		expected          *sdtypes.StateObject
 	}{
 		{
 			"testEmptyDiff",
-			statediff.Args{
+			sd.Args{
 				OldStateRoot: block0.Root(),
 				NewStateRoot: block0.Root(),
 				BlockNumber:  block0.Number(),
@@ -748,7 +747,7 @@ func TestBuilderWithIntermediateNodes(t *testing.T) {
 		{
 			"testBlock0",
 			//10000 transferred from testBankAddress to account1Addr
-			statediff.Args{
+			sd.Args{
 				OldStateRoot: test_helpers.NullHash,
 				NewStateRoot: block0.Root(),
 				BlockNumber:  block0.Number(),
@@ -771,7 +770,7 @@ func TestBuilderWithIntermediateNodes(t *testing.T) {
 		{
 			"testBlock1",
 			//10000 transferred from testBankAddress to account1Addr
-			statediff.Args{
+			sd.Args{
 				OldStateRoot: block0.Root(),
 				NewStateRoot: block1.Root(),
 				BlockNumber:  block1.Number(),
@@ -816,7 +815,7 @@ func TestBuilderWithIntermediateNodes(t *testing.T) {
 			// 1000 transferred from testBankAddress to account1Addr
 			// 1000 transferred from account1Addr to account2Addr
 			// account1addr creates a new contract
-			statediff.Args{
+			sd.Args{
 				OldStateRoot: block1.Root(),
 				NewStateRoot: block2.Root(),
 				BlockNumber:  block2.Number(),
@@ -898,7 +897,7 @@ func TestBuilderWithIntermediateNodes(t *testing.T) {
 			"testBlock3",
 			//the contract's storage is changed
 			//and the block is mined by account 2
-			statediff.Args{
+			sd.Args{
 				OldStateRoot: block2.Root(),
 				NewStateRoot: block3.Root(),
 				BlockNumber:  block3.Number(),
@@ -999,19 +998,21 @@ func TestBuilderWithWatchedAddressList(t *testing.T) {
 	block1 = blocks[0]
 	block2 = blocks[1]
 	block3 = blocks[2]
-	params := statediff.Params{
-		WatchedAddresses: []common.Address{test_helpers.Account1Addr, test_helpers.ContractAddr},
+	params := sd.Params{
+		IntermediateStateNodes:   true,
+		IntermediateStorageNodes: true,
+		WatchedAddresses:         []common.Address{test_helpers.Account1Addr, test_helpers.ContractAddr},
 	}
-	params.ComputeWatchedAddressesLeafKeys()
+	params.ComputeWatchedAddressesLeafPaths()

 	var tests = []struct {
 		name              string
-		startingArguments statediff.Args
+		startingArguments sd.Args
 		expected          *sdtypes.StateObject
 	}{
 		{
 			"testEmptyDiff",
-			statediff.Args{
+			sd.Args{
 				OldStateRoot: block0.Root(),
 				NewStateRoot: block0.Root(),
 				BlockNumber:  block0.Number(),
@@ -1026,7 +1027,7 @@ func TestBuilderWithWatchedAddressList(t *testing.T) {
 		{
 			"testBlock0",
 			//10000 transferred from testBankAddress to account1Addr
-			statediff.Args{
+			sd.Args{
 				OldStateRoot: test_helpers.NullHash,
 				NewStateRoot: block0.Root(),
 				BlockNumber:  block0.Number(),
@@ -1041,7 +1042,7 @@ func TestBuilderWithWatchedAddressList(t *testing.T) {
 		{
 			"testBlock1",
 			//10000 transferred from testBankAddress to account1Addr
-			statediff.Args{
+			sd.Args{
 				OldStateRoot: block0.Root(),
 				NewStateRoot: block1.Root(),
 				BlockNumber:  block1.Number(),
@@ -1051,6 +1052,12 @@ func TestBuilderWithWatchedAddressList(t *testing.T) {
 				BlockNumber: block1.Number(),
 				BlockHash:   block1.Hash(),
 				Nodes: []sdtypes.StateNode{
+					{
+						Path:         []byte{},
+						NodeType:     sdtypes.Branch,
+						NodeValue:    block1BranchRootNode,
+						StorageNodes: emptyStorage,
+					},
 					{
 						Path:         []byte{'\x0e'},
 						NodeType:     sdtypes.Leaf,
@@ -1065,7 +1072,7 @@ func TestBuilderWithWatchedAddressList(t *testing.T) {
 			"testBlock2",
 			//1000 transferred from testBankAddress to account1Addr
 			//1000 transferred from account1Addr to account2Addr
-			statediff.Args{
+			sd.Args{
 				OldStateRoot: block1.Root(),
 				NewStateRoot: block2.Root(),
 				BlockNumber:  block2.Number(),
@@ -1075,12 +1082,23 @@ func TestBuilderWithWatchedAddressList(t *testing.T) {
 				BlockNumber: block2.Number(),
 				BlockHash:   block2.Hash(),
 				Nodes: []sdtypes.StateNode{
+					{
+						Path:         []byte{},
+						NodeType:     sdtypes.Branch,
+						NodeValue:    block2BranchRootNode,
+						StorageNodes: emptyStorage,
+					},
 					{
 						Path:      []byte{'\x06'},
 						NodeType:  sdtypes.Leaf,
 						LeafKey:   contractLeafKey,
 						NodeValue: contractAccountAtBlock2LeafNode,
 						StorageNodes: []sdtypes.StorageNode{
+							{
+								Path:      []byte{},
+								NodeType:  sdtypes.Branch,
+								NodeValue: block2StorageBranchRootNode,
+							},
 							{
 								Path:      []byte{'\x02'},
 								NodeType:  sdtypes.Leaf,
@@ -1115,7 +1133,7 @@ func TestBuilderWithWatchedAddressList(t *testing.T) {
 			"testBlock3",
 			//the contract's storage is changed
 			//and the block is mined by account 2
-			statediff.Args{
+			sd.Args{
 				OldStateRoot: block2.Root(),
 				NewStateRoot: block3.Root(),
 				BlockNumber:  block3.Number(),
@@ -1125,12 +1143,23 @@ func TestBuilderWithWatchedAddressList(t *testing.T) {
 				BlockNumber: block3.Number(),
 				BlockHash:   block3.Hash(),
 				Nodes: []sdtypes.StateNode{
+					{
+						Path:         []byte{},
+						NodeType:     sdtypes.Branch,
+						NodeValue:    block3BranchRootNode,
+						StorageNodes: emptyStorage,
+					},
 					{
 						Path:      []byte{'\x06'},
 						NodeType:  sdtypes.Leaf,
 						LeafKey:   contractLeafKey,
 						NodeValue: contractAccountAtBlock3LeafNode,
 						StorageNodes: []sdtypes.StorageNode{
+							{
+								Path:      []byte{},
+								NodeType:  sdtypes.Branch,
+								NodeValue: block3StorageBranchRootNode,
+							},
 							{
 								Path:      []byte{'\x0c'},
 								NodeType:  sdtypes.Leaf,
@@ -1177,20 +1206,20 @@ func TestBuilderWithRemovedAccountAndStorage(t *testing.T) {
 	block4 = blocks[3]
 	block5 = blocks[4]
 	block6 = blocks[5]
-	params := statediff.Params{
+	params := sd.Params{
 		IntermediateStateNodes:   true,
 		IntermediateStorageNodes: true,
 	}

 	var tests = []struct {
 		name              string
-		startingArguments statediff.Args
+		startingArguments sd.Args
 		expected          *sdtypes.StateObject
 	}{
 		// blocks 0-3 are the same as in TestBuilderWithIntermediateNodes
 		{
 			"testBlock4",
-			statediff.Args{
+			sd.Args{
 				OldStateRoot: block3.Root(),
 				NewStateRoot: block4.Root(),
 				BlockNumber:  block4.Number(),
@@ -1256,7 +1285,7 @@ func TestBuilderWithRemovedAccountAndStorage(t *testing.T) {
 		},
 		{
 			"testBlock5",
-			statediff.Args{
+			sd.Args{
 				OldStateRoot: block4.Root(),
 				NewStateRoot: block5.Root(),
 				BlockNumber:  block5.Number(),
@@ -1316,7 +1345,7 @@ func TestBuilderWithRemovedAccountAndStorage(t *testing.T) {
 		},
 		{
 			"testBlock6",
-			statediff.Args{
+			sd.Args{
 				OldStateRoot: block5.Root(),
 				NewStateRoot: block6.Root(),
 				BlockNumber:  block6.Number(),
@@ -1412,20 +1441,20 @@ func TestBuilderWithRemovedAccountAndStorageWithoutIntermediateNodes(t *testing.
 	block4 = blocks[3]
 	block5 = blocks[4]
 	block6 = blocks[5]
-	params := statediff.Params{
+	params := sd.Params{
 		IntermediateStateNodes:   false,
 		IntermediateStorageNodes: false,
 	}

 	var tests = []struct {
 		name              string
-		startingArguments statediff.Args
+		startingArguments sd.Args
 		expected          *sdtypes.StateObject
 	}{
 		// blocks 0-3 are the same as in TestBuilderWithIntermediateNodes
 		{
 			"testBlock4",
-			statediff.Args{
+			sd.Args{
 				OldStateRoot: block3.Root(),
 				NewStateRoot: block4.Root(),
 				BlockNumber:  block4.Number(),
@@ -1480,7 +1509,7 @@ func TestBuilderWithRemovedAccountAndStorageWithoutIntermediateNodes(t *testing.
 		},
 		{
 			"testBlock5",
-			statediff.Args{
+			sd.Args{
 				OldStateRoot: block4.Root(),
 				NewStateRoot: block5.Root(),
 				BlockNumber:  block5.Number(),
@@ -1529,7 +1558,7 @@ func TestBuilderWithRemovedAccountAndStorageWithoutIntermediateNodes(t *testing.
 		},
 		{
 			"testBlock6",
-			statediff.Args{
+			sd.Args{
 				OldStateRoot: block5.Root(),
 				NewStateRoot: block6.Root(),
 				BlockNumber:  block6.Number(),
@@ -1611,19 +1640,21 @@ func TestBuilderWithRemovedNonWatchedAccount(t *testing.T) {
 	block4 = blocks[3]
 	block5 = blocks[4]
 	block6 = blocks[5]
-	params := statediff.Params{
-		WatchedAddresses: []common.Address{test_helpers.Account1Addr, test_helpers.Account2Addr},
+	params := sd.Params{
+		IntermediateStateNodes:   true,
+		IntermediateStorageNodes: true,
+		WatchedAddresses:         []common.Address{test_helpers.Account1Addr, test_helpers.Account2Addr},
 	}
-	params.ComputeWatchedAddressesLeafKeys()
+	params.ComputeWatchedAddressesLeafPaths()

 	var tests = []struct {
 		name              string
-		startingArguments statediff.Args
+		startingArguments sd.Args
 		expected          *sdtypes.StateObject
 	}{
 		{
 			"testBlock4",
-			statediff.Args{
+			sd.Args{
 				OldStateRoot: block3.Root(),
 				NewStateRoot: block4.Root(),
 				BlockNumber:  block4.Number(),
@@ -1633,6 +1664,12 @@ func TestBuilderWithRemovedNonWatchedAccount(t *testing.T) {
 				BlockNumber: block4.Number(),
 				BlockHash:   block4.Hash(),
 				Nodes: []sdtypes.StateNode{
+					{
+						Path:         []byte{},
+						NodeType:     sdtypes.Branch,
+						NodeValue:    block4BranchRootNode,
+						StorageNodes: emptyStorage,
+					},
 					{
 						Path:         []byte{'\x0c'},
 						NodeType:     sdtypes.Leaf,
@@ -1645,7 +1682,7 @@ func TestBuilderWithRemovedNonWatchedAccount(t *testing.T) {
 		},
 		{
 			"testBlock5",
-			statediff.Args{
+			sd.Args{
 				OldStateRoot: block4.Root(),
 				NewStateRoot: block5.Root(),
 				BlockNumber:  block5.Number(),
@@ -1655,6 +1692,12 @@ func TestBuilderWithRemovedNonWatchedAccount(t *testing.T) {
 				BlockNumber: block5.Number(),
 				BlockHash:   block5.Hash(),
 				Nodes: []sdtypes.StateNode{
+					{
+						Path:         []byte{},
+						NodeType:     sdtypes.Branch,
+						NodeValue:    block5BranchRootNode,
+						StorageNodes: emptyStorage,
+					},
 					{
 						Path:         []byte{'\x0e'},
 						NodeType:     sdtypes.Leaf,
@@ -1667,7 +1710,7 @@ func TestBuilderWithRemovedNonWatchedAccount(t *testing.T) {
 		},
 		{
 			"testBlock6",
-			statediff.Args{
+			sd.Args{
 				OldStateRoot: block5.Root(),
 				NewStateRoot: block6.Root(),
 				BlockNumber:  block6.Number(),
@@ -1677,6 +1720,12 @@ func TestBuilderWithRemovedNonWatchedAccount(t *testing.T) {
 				BlockNumber: block6.Number(),
 				BlockHash:   block6.Hash(),
 				Nodes: []sdtypes.StateNode{
+					{
+						Path:         []byte{},
+						NodeType:     sdtypes.Branch,
+						NodeValue:    block6BranchRootNode,
+						StorageNodes: emptyStorage,
+					},
 					{
 						Path:         []byte{'\x0c'},
 						NodeType:     sdtypes.Leaf,
@@ -1729,19 +1778,21 @@ func TestBuilderWithRemovedWatchedAccount(t *testing.T) {
 	block4 = blocks[3]
 	block5 = blocks[4]
 	block6 = blocks[5]
-	params := statediff.Params{
-		WatchedAddresses: []common.Address{test_helpers.Account1Addr, test_helpers.ContractAddr},
+	params := sd.Params{
+		IntermediateStateNodes:   true,
+		IntermediateStorageNodes: true,
+		WatchedAddresses:         []common.Address{test_helpers.Account1Addr, test_helpers.ContractAddr},
 	}
-	params.ComputeWatchedAddressesLeafKeys()
+	params.ComputeWatchedAddressesLeafPaths()

 	var tests = []struct {
 		name              string
-		startingArguments statediff.Args
+		startingArguments sd.Args
 		expected          *sdtypes.StateObject
 	}{
 		{
 			"testBlock4",
-			statediff.Args{
+			sd.Args{
 				OldStateRoot: block3.Root(),
 				NewStateRoot: block4.Root(),
 				BlockNumber:  block4.Number(),
@@ -1751,12 +1802,23 @@ func TestBuilderWithRemovedWatchedAccount(t *testing.T) {
 				BlockNumber: block4.Number(),
 				BlockHash:   block4.Hash(),
 				Nodes: []sdtypes.StateNode{
+					{
+						Path:         []byte{},
+						NodeType:     sdtypes.Branch,
+						NodeValue:    block4BranchRootNode,
+						StorageNodes: emptyStorage,
+					},
 					{
 						Path:      []byte{'\x06'},
 						NodeType:  sdtypes.Leaf,
 						LeafKey:   contractLeafKey,
 						NodeValue: contractAccountAtBlock4LeafNode,
 						StorageNodes: []sdtypes.StorageNode{
+							{
+								Path:      []byte{},
+								NodeType:  sdtypes.Branch,
+								NodeValue: block4StorageBranchRootNode,
+							},
 							{
 								Path:      []byte{'\x04'},
 								NodeType:  sdtypes.Leaf,
@@ -1782,7 +1844,7 @@ func TestBuilderWithRemovedWatchedAccount(t *testing.T) {
 		},
 		{
 			"testBlock5",
-			statediff.Args{
+			sd.Args{
 				OldStateRoot: block4.Root(),
 				NewStateRoot: block5.Root(),
 				BlockNumber:  block5.Number(),
@@ -1792,12 +1854,23 @@ func TestBuilderWithRemovedWatchedAccount(t *testing.T) {
 				BlockNumber: block5.Number(),
 				BlockHash:   block5.Hash(),
 				Nodes: []sdtypes.StateNode{
+					{
+						Path:         []byte{},
+						NodeType:     sdtypes.Branch,
+						NodeValue:    block5BranchRootNode,
+						StorageNodes: emptyStorage,
+					},
 					{
 						Path:      []byte{'\x06'},
 						NodeType:  sdtypes.Leaf,
 						LeafKey:   contractLeafKey,
 						NodeValue: contractAccountAtBlock5LeafNode,
 						StorageNodes: []sdtypes.StorageNode{
+							{
+								Path:      []byte{},
+								NodeType:  sdtypes.Branch,
+								NodeValue: block5StorageBranchRootNode,
+							},
 							{
 								Path:      []byte{'\x0c'},
 								NodeType:  sdtypes.Leaf,
@@ -1824,7 +1897,7 @@ func TestBuilderWithRemovedWatchedAccount(t *testing.T) {
 		},
 		{
 			"testBlock6",
-			statediff.Args{
+			sd.Args{
 				OldStateRoot: block5.Root(),
 				NewStateRoot: block6.Root(),
 				BlockNumber:  block6.Number(),
@@ -1834,12 +1907,23 @@ func TestBuilderWithRemovedWatchedAccount(t *testing.T) {
 				BlockNumber: block6.Number(),
 				BlockHash:   block6.Hash(),
 				Nodes: []sdtypes.StateNode{
+					{
+						Path:         []byte{},
+						NodeType:     sdtypes.Branch,
+						NodeValue:    block6BranchRootNode,
+						StorageNodes: emptyStorage,
+					},
 					{
 						Path:      []byte{'\x06'},
 						NodeType:  sdtypes.Removed,
 						LeafKey:   contractLeafKey,
 						NodeValue: []byte{},
 						StorageNodes: []sdtypes.StorageNode{
+							{
+								Path:      []byte{},
+								NodeType:  sdtypes.Removed,
+								NodeValue: []byte{},
+							},
 							{
 								Path:      []byte{'\x02'},
 								NodeType:  sdtypes.Removed,
@@ -1979,19 +2063,19 @@ func TestBuilderWithMovedAccount(t *testing.T) {
 	block0 = test_helpers.Genesis
 	block1 = blocks[0]
 	block2 = blocks[1]
-	params := statediff.Params{
+	params := sd.Params{
 		IntermediateStateNodes:   true,
 		IntermediateStorageNodes: true,
 	}

 	var tests = []struct {
 		name              string
-		startingArguments statediff.Args
+		startingArguments sd.Args
 		expected          *sdtypes.StateObject
 	}{
 		{
 			"testBlock1",
-			statediff.Args{
+			sd.Args{
 				OldStateRoot: block0.Root(),
 				NewStateRoot: block1.Root(),
 				BlockNumber:  block1.Number(),
@@ -2050,7 +2134,7 @@ func TestBuilderWithMovedAccount(t *testing.T) {
 		},
 		{
 			"testBlock2",
-			statediff.Args{
+			sd.Args{
 				OldStateRoot: block1.Root(),
 				NewStateRoot: block2.Root(),
 				BlockNumber:  block2.Number(),
@@ -2131,19 +2215,19 @@ func TestBuilderWithMovedAccountOnlyLeafs(t *testing.T) {
 	block0 = test_helpers.Genesis
 	block1 = blocks[0]
 	block2 = blocks[1]
-	params := statediff.Params{
+	params := sd.Params{
 		IntermediateStateNodes:   false,
 		IntermediateStorageNodes: false,
 	}

 	var tests = []struct {
 		name              string
-		startingArguments statediff.Args
+		startingArguments sd.Args
 		expected          *sdtypes.StateObject
 	}{
 		{
 			"testBlock1",
-			statediff.Args{
+			sd.Args{
 				OldStateRoot: block0.Root(),
 				NewStateRoot: block1.Root(),
 				BlockNumber:  block1.Number(),
@@ -2191,7 +2275,7 @@ func TestBuilderWithMovedAccountOnlyLeafs(t *testing.T) {
 		},
 		{
 			"testBlock2",
-			statediff.Args{
+			sd.Args{
 				OldStateRoot: block1.Root(),
 				NewStateRoot: block2.Root(),
 				BlockNumber:  block2.Number(),
@@ -17,9 +17,9 @@
 package prom

 import (
-	"database/sql"
-
 	"github.com/prometheus/client_golang/prometheus"
+
+	"github.com/ethereum/go-ethereum/statediff/indexer/database/sql"
 )

 const (
@@ -29,7 +29,7 @@ const (

 // DBStatsGetter is an interface that gets sql.DBStats.
 type DBStatsGetter interface {
-	Stats() sql.DBStats
+	Stats() sql.Stats
 }

 // DBStatsCollector implements the prometheus.Collector interface.
@@ -122,41 +122,41 @@ func (c DBStatsCollector) Collect(ch chan<- prometheus.Metric) {
 	ch <- prometheus.MustNewConstMetric(
 		c.maxOpenDesc,
 		prometheus.GaugeValue,
-		float64(stats.MaxOpenConnections),
+		float64(stats.MaxOpen()),
 	)
 	ch <- prometheus.MustNewConstMetric(
 		c.openDesc,
 		prometheus.GaugeValue,
-		float64(stats.OpenConnections),
+		float64(stats.Open()),
 	)
 	ch <- prometheus.MustNewConstMetric(
 		c.inUseDesc,
 		prometheus.GaugeValue,
-		float64(stats.InUse),
+		float64(stats.InUse()),
 	)
 	ch <- prometheus.MustNewConstMetric(
 		c.idleDesc,
 		prometheus.GaugeValue,
-		float64(stats.Idle),
+		float64(stats.Idle()),
 	)
 	ch <- prometheus.MustNewConstMetric(
 		c.waitedForDesc,
 		prometheus.CounterValue,
-		float64(stats.WaitCount),
+		float64(stats.WaitCount()),
 	)
 	ch <- prometheus.MustNewConstMetric(
 		c.blockedSecondsDesc,
 		prometheus.CounterValue,
-		stats.WaitDuration.Seconds(),
+		stats.WaitDuration().Seconds(),
 	)
 	ch <- prometheus.MustNewConstMetric(
 		c.closedMaxIdleDesc,
 		prometheus.CounterValue,
-		float64(stats.MaxIdleClosed),
+		float64(stats.MaxIdleClosed()),
 	)
 	ch <- prometheus.MustNewConstMetric(
 		c.closedMaxLifetimeDesc,
 		prometheus.CounterValue,
-		float64(stats.MaxLifetimeClosed),
+		float64(stats.MaxLifetimeClosed()),
 	)
 }
@@ -19,7 +19,6 @@ package prom
 import (
 	"time"

-	"github.com/jmoiron/sqlx"
 	"github.com/prometheus/client_golang/prometheus"
 	"github.com/prometheus/client_golang/prometheus/promauto"
 )
@@ -123,7 +122,7 @@ func Init() {
 }

 // RegisterDBCollector create metric collector for given connection
-func RegisterDBCollector(name string, db *sqlx.DB) {
+func RegisterDBCollector(name string, db DBStatsGetter) {
 	if metrics {
 		prometheus.Register(NewDBStatsCollector(name, db))
 	}
@@ -26,6 +26,7 @@ import (
 	"github.com/ethereum/go-ethereum/ethdb"
 	"github.com/ethereum/go-ethereum/params"
 	"github.com/ethereum/go-ethereum/trie"
+	"github.com/vulcanize/leveldb-ethdb-rpc/pkg/client"
 )

 // Reader interface required by the statediffing service
@@ -46,15 +47,26 @@ type LvlDBReader struct {

 // LvLDBReaderConfig struct for initializing a LvlDBReader
 type LvLDBReaderConfig struct {
-	TrieConfig        *trie.Config
-	ChainConfig       *params.ChainConfig
-	Path, AncientPath string
-	DBCacheSize       int
+	TrieConfig             *trie.Config
+	ChainConfig            *params.ChainConfig
+	Mode                   string
+	Path, AncientPath, Url string
+	DBCacheSize            int
 }

 // NewLvlDBReader creates a new Read using LevelDB
 func NewLvlDBReader(conf LvLDBReaderConfig) (*LvlDBReader, error) {
-	edb, err := rawdb.NewLevelDBDatabaseWithFreezer(conf.Path, conf.DBCacheSize, 256, conf.AncientPath, "eth-statediff-service", true)
+	var edb ethdb.Database
+	var err error
+
+	if conf.Mode == "local" {
+		edb, err = rawdb.NewLevelDBDatabaseWithFreezer(conf.Path, conf.DBCacheSize, 256, conf.AncientPath, "eth-statediff-service", true)
+	}
+
+	if conf.Mode == "remote" {
+		edb, err = client.NewDatabaseClient(conf.Url)
+	}
+
 	if err != nil {
 		return nil, err
 	}
@@ -24,14 +24,14 @@ import (
 	"github.com/ethereum/go-ethereum/rpc"
 	log "github.com/sirupsen/logrus"

-	"github.com/vulcanize/eth-statediff-service/pkg/prom"
+	"github.com/cerc-io/eth-statediff-service/pkg/prom"
 )

 // StartHTTPEndpoint starts the HTTP RPC endpoint, configured with cors/vhosts/modules.
 func StartHTTPEndpoint(endpoint string, apis []rpc.API, modules []string, cors []string, vhosts []string, timeouts rpc.HTTPTimeouts) (*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)
 	}
@@ -26,7 +26,7 @@ import (
 	"github.com/ethereum/go-ethereum/rpc"
 	log "github.com/sirupsen/logrus"

-	"github.com/vulcanize/eth-statediff-service/pkg/prom"
+	"github.com/cerc-io/eth-statediff-service/pkg/prom"
 )

 var (
@@ -33,7 +33,7 @@ import (
 	sdtypes "github.com/ethereum/go-ethereum/statediff/types"
 	"github.com/sirupsen/logrus"

-	"github.com/vulcanize/eth-statediff-service/pkg/prom"
+	"github.com/cerc-io/eth-statediff-service/pkg/prom"
 )

 const defaultQueueSize = 1024
@@ -48,7 +48,7 @@ type StateDiffService interface {
 	// Loop is the main event loop for processing state diffs
 	Loop(wg *sync.WaitGroup) error
 	// Run is a one-off command to run on a predefined set of ranges
-	Run(ranges []RangeRequest) error
+	Run(ranges []RangeRequest, parallel bool) error
 	// StateDiffAt method to get state diff object at specific block
 	StateDiffAt(blockNumber uint64, params sd.Params) (*sd.Payload, error)
 	// StateDiffFor method to get state diff object at specific block
@@ -66,8 +66,8 @@ type StateDiffService interface {
 // Service is the underlying struct for the state diffing service
 type Service struct {
 	// Used to build the state diff objects
-	Builder Builder
-	// Used to read data from leveldb
+	Builder sd.Builder
+	// Used to read data from LevelDB
 	lvlDBReader Reader
 	// Used to signal shutdown of the service
 	quitChan chan struct{}
@@ -118,18 +118,55 @@ func (sds *Service) APIs() []rpc.API {
 }

 // Run does a one-off processing run on the provided RangeRequests + any pre-runs, exiting afterwards
-func (sds *Service) Run(rngs []RangeRequest) error {
+func (sds *Service) Run(rngs []RangeRequest, parallel bool) error {
 	for _, preRun := range sds.preruns {
-		logrus.Infof("processing prerun range (%d, %d)", preRun.Start, preRun.Stop)
-		for i := preRun.Start; i <= preRun.Stop; i++ {
-			if err := sds.WriteStateDiffAt(i, preRun.Params); err != nil {
-				return fmt.Errorf("error writing statediff at height %d in range (%d, %d) : %v", i, preRun.Start, preRun.Stop, err)
+		if parallel {
+			// Chunk overall range into N subranges for workers
+			chunkSize := (preRun.Stop - preRun.Start) / uint64(sds.workers)
+			logrus.Infof("parallel processing prerun range (%d, %d) (%d blocks) divided into %d sized chunks with %d workers", preRun.Start, preRun.Stop,
+				preRun.Stop-preRun.Start+1, chunkSize, sds.workers)
+			// Sanity floor the chunk size
+			if chunkSize < 100 {
+				chunkSize = 100
+				logrus.Infof("Computed range chunk size for each worker is too small, defaulting to 100")
+			}
+			wg := new(sync.WaitGroup)
+			for i := 0; i < int(sds.workers); i++ {
+				blockRange := RangeRequest{
+					Start:  preRun.Start + uint64(i)*chunkSize,
+					Stop:   preRun.Start + uint64(i)*chunkSize + chunkSize - 1,
+					Params: preRun.Params,
+				}
+				// TODO(hack) this fixes quantization
+				if blockRange.Stop < preRun.Stop && preRun.Stop-blockRange.Stop < chunkSize {
+					blockRange.Stop = preRun.Stop
+				}
+				wg.Add(1)
+				go func(id int) {
+					defer wg.Done()
+					logrus.Infof("prerun worker %d processing range (%d, %d)", id, blockRange.Start, blockRange.Stop)
+					for j := blockRange.Start; j <= blockRange.Stop; j++ {
+						if err := sds.WriteStateDiffAt(j, blockRange.Params); err != nil {
+							logrus.Errorf("error writing statediff at height %d in range (%d, %d) : %v", i, blockRange.Start, blockRange.Stop, err)
+						}
+					}
+					logrus.Infof("prerun worker %d finished processing range (%d, %d)", id, blockRange.Start, blockRange.Stop)
+				}(i)
+			}
+			wg.Wait()
+		} else {
+			logrus.Infof("sequential processing prerun range (%d, %d)", preRun.Start, preRun.Stop)
+			for i := preRun.Start; i <= preRun.Stop; i++ {
+				if err := sds.WriteStateDiffAt(i, preRun.Params); err != nil {
+					return fmt.Errorf("error writing statediff at height %d in range (%d, %d) : %v", i, preRun.Start, preRun.Stop, err)
+				}
 			}
 		}
 	}
 	sds.preruns = nil
+	// At present this code is never called so we have not written the parallel version:
 	for _, rng := range rngs {
-		logrus.Infof("processing prerun range (%d, %d)", rng.Start, rng.Stop)
+		logrus.Infof("processing requested range (%d, %d)", rng.Start, rng.Stop)
 		for i := rng.Start; i <= rng.Stop; i++ {
 			if err := sds.WriteStateDiffAt(i, rng.Params); err != nil {
 				return fmt.Errorf("error writing statediff at height %d in range (%d, %d) : %v", i, rng.Start, rng.Stop, err)
@@ -195,8 +232,8 @@ func (sds *Service) StateDiffAt(blockNumber uint64, params sd.Params) (*sd.Paylo
 	}
 	logrus.Infof("sending state diff at block %d", blockNumber)

-	// compute leaf keys of watched addresses in the params
-	params.ComputeWatchedAddressesLeafKeys()
+	// compute leaf paths of watched addresses in the params
+	params.ComputeWatchedAddressesLeafPaths()

 	if blockNumber == 0 {
 		return sds.processStateDiff(currentBlock, common.Hash{}, params)
@@ -217,8 +254,8 @@ func (sds *Service) StateDiffFor(blockHash common.Hash, params sd.Params) (*sd.P
 	}
 	logrus.Infof("sending state diff at block %s", blockHash.Hex())

-	// compute leaf keys of watched addresses in the params
-	params.ComputeWatchedAddressesLeafKeys()
+	// compute leaf paths of watched addresses in the params
+	params.ComputeWatchedAddressesLeafPaths()

 	if currentBlock.NumberU64() == 0 {
 		return sds.processStateDiff(currentBlock, common.Hash{}, params)
@@ -290,8 +327,8 @@ func (sds *Service) StateTrieAt(blockNumber uint64, params sd.Params) (*sd.Paylo
 	}
 	logrus.Infof("sending state trie at block %d", blockNumber)

-	// compute leaf keys of watched addresses in the params
-	params.ComputeWatchedAddressesLeafKeys()
+	// compute leaf paths of watched addresses in the params
+	params.ComputeWatchedAddressesLeafPaths()

 	return sds.processStateTrie(currentBlock, params)
 }
@@ -333,8 +370,8 @@ func (sds *Service) WriteStateDiffAt(blockNumber uint64, params sd.Params) error
 		return err
 	}

-	// compute leaf keys of watched addresses in the params
-	params.ComputeWatchedAddressesLeafKeys()
+	// compute leaf paths of watched addresses in the params
+	params.ComputeWatchedAddressesLeafPaths()

 	parentRoot := common.Hash{}
 	if blockNumber != 0 {
@@ -358,8 +395,8 @@ func (sds *Service) WriteStateDiffFor(blockHash common.Hash, params sd.Params) e
 		return err
 	}

-	// compute leaf keys of watched addresses in the params
-	params.ComputeWatchedAddressesLeafKeys()
+	// compute leaf paths of watched addresses in the params
+	params.ComputeWatchedAddressesLeafPaths()

 	parentRoot := common.Hash{}
 	if currentBlock.NumberU64() != 0 {
@@ -0,0 +1,28 @@
+# Used by the script to count rows (count-lines.sh)
+COUNT_LINES_LOG=./count-lines.log
+COUNT_LINES_INPUT_DIR=~/eth-statediff-service/output_dir
+COUNT_LINES_OUTPUT_FILE=./output-stats.txt
+
+# Used by the script to dedup output files (dedup.sh)
+DEDUP_LOG=./dedup.log
+DEDUP_INPUT_DIR=~/eth-statediff-service/output_dir
+DEDUP_OUTPUT_DIR=~/eth-statediff-service/dedup_dir
+DEDUP_SORT_DIR=./.sort
+
+# Used by the script to perform column checks (check-columns.sh)
+CHECK_COLUMNS_LOG=./check-columns.log
+CHECK_COLUMNS_INPUT_DIR=~/eth-statediff-service/output_dir
+CHECK_COLUMNS_INPUT_DEDUP_DIR=~/eth-statediff-service/dedup_dir
+CHECK_COLUMNS_OUTPUT_DIR=./check-columns
+
+# Used by the script to import data (timescaledb-import.sh)
+IMPORT_LOG=./tsdb-import.log
+IMPORT_INPUT_DIR=~/eth-statediff-service/output_dir
+IMPORT_INPUT_DEDUP_DIR=~/eth-statediff-service/dedup_dir
+TIMESCALEDB_WORKERS=8
+
+DATABASE_USER=vdbm
+DATABASE_HOSTNAME=localhost
+DATABASE_PORT=8077
+DATABASE_NAME=vulcanize_testing
+DATABASE_PASSWORD=password
@@ -0,0 +1,58 @@
+#!/bin/bash
+
+# Requires:
+# CHECK_COLUMNS_LOG
+# CHECK_COLUMNS_INPUT_DIR
+# CHECK_COLUMNS_INPUT_DEDUP_DIR
+# CHECK_COLUMNS_OUTPUT_DIR
+
+# env file arg
+ENV=$1
+echo "Using env file: ${ENV}"
+
+# read env file
+export $(grep -v '^#' ${ENV} | xargs)
+
+# redirect stdout/stderr to a file
+exec >"${CHECK_COLUMNS_LOG}" 2>&1
+
+# create output dir if not exists
+mkdir -p "${CHECK_COLUMNS_OUTPUT_DIR}"
+
+start_timestamp=$(date +%s)
+
+declare -A expected_columns
+expected_columns=(
+  ["public.nodes"]="5"
+  ["public.blocks"]="3"
+  # ["eth.access_list_elements"]="?" # skipping as values include ','
+  ["eth.log_cids"]="12"
+  ["eth.state_accounts"]="7"
+  ["eth.storage_cids"]="9"
+  ["eth.uncle_cids"]="7"
+  ["eth.header_cids"]="16"
+  ["eth.receipt_cids"]="10"
+  ["eth.state_cids"]="8"
+  ["eth.transaction_cids"]="11"
+)
+
+for table_name in "${!expected_columns[@]}";
+do
+  if [ "${table_name}" = "public.blocks" ];
+  then
+    command="$(dirname "$0")/find-bad-rows.sh -i ${CHECK_COLUMNS_INPUT_DEDUP_DIR}/deduped-${table_name}.csv -c ${expected_columns[${table_name}]} -d true -o ${CHECK_COLUMNS_OUTPUT_DIR}/${table_name}.txt"
+  else
+    command="$(dirname "$0")/find-bad-rows.sh -i ${CHECK_COLUMNS_INPUT_DIR}/${table_name}.csv -c ${expected_columns[${table_name}]} -d true -o ${CHECK_COLUMNS_OUTPUT_DIR}/${table_name}.txt"
+  fi
+
+  echo "${table_name}"
+  echo Start: "$(date)"
+  eval "${command}"
+  echo End: "$(date)"
+  echo Total bad rows: $(wc -l ${CHECK_COLUMNS_OUTPUT_DIR}/${table_name}.txt)
+  echo
+done
+
+difference=$(($(date +%s)-start_timestamp))
+echo Time taken: $((difference/86400)):$(date -d@${difference} -u +%H:%M:%S)
+echo
@@ -0,0 +1,46 @@
+#!/bin/bash
+
+# Requires:
+# COUNT_LINES_LOG
+# COUNT_LINES_INPUT_DIR
+# COUNT_LINES_OUTPUT_FILE
+
+# env file arg
+ENV=$1
+echo "Using env file: ${ENV}"
+
+# read env file
+export $(grep -v '^#' ${ENV} | xargs)
+
+# redirect stdout/stderr to a file
+exec >"${COUNT_LINES_LOG}" 2>&1
+
+start_timestamp=$(date +%s)
+
+table_names=(
+  "public.nodes"
+  "public.blocks"
+  "eth.access_list_elements"
+  "eth.log_cids"
+  "eth.state_accounts"
+  "eth.storage_cids"
+  "eth.uncle_cids"
+  "eth.header_cids"
+  "eth.receipt_cids"
+  "eth.state_cids"
+  "eth.transaction_cids"
+)
+
+echo "Row counts:" > "${COUNT_LINES_OUTPUT_FILE}"
+
+for table_name in "${table_names[@]}";
+do
+  echo "${table_name}";
+  echo Start: "$(date)"
+  wc -l "${COUNT_LINES_INPUT_DIR}"/"${table_name}.csv" >> "${COUNT_LINES_OUTPUT_FILE}"
+  echo End: "$(date)"
+  echo
+done
+
+difference=$(($(date +%s)-start_timestamp))
+echo Time taken: $((difference/86400)):$(date -d@${difference} -u +%H:%M:%S)
@@ -0,0 +1,35 @@
+#!/bin/bash
+
+# Requires:
+# DEDUP_LOG
+# DEDUP_INPUT_DIR
+# DEDUP_OUTPUT_DIR
+# DEDUP_SORT_DIR
+
+# env file arg
+ENV=$1
+echo "Using env file: ${ENV}"
+
+# read env file
+export $(grep -v '^#' ${ENV} | xargs)
+
+# redirect stdout/stderr to a file
+exec >"${DEDUP_LOG}" 2>&1
+
+# create output dir if not exists
+mkdir -p "${DEDUP_OUTPUT_DIR}"
+
+start_timestamp=$(date +%s)
+
+echo "public.blocks"
+echo Start: "$(date)"
+sort -T "${DEDUP_SORT_DIR}" -u "${DEDUP_INPUT_DIR}"/public.blocks.csv -o "${DEDUP_OUTPUT_DIR}"/deduped-public.blocks.csv
+echo End: "$(date)"
+echo Total deduped rows: $(wc -l ${DEDUP_OUTPUT_DIR}/deduped-public.blocks.csv)
+echo
+
+difference=$(($(date +%s)-start_timestamp))
+echo Time taken: $((difference/86400)):$(date -d@${difference} -u +%H:%M:%S)
+
+# NOTE: This script currently only dedups public.blocks output file.
+# If the output contains blocks that were statediffed more than once, output files for other tables will have to be deduped as well.
@@ -0,0 +1,43 @@
+#!/bin/bash
+
+# flags
+# -i <input-file>:        Input data file path
+# -c <expected-columns>:  Expected number of columns in each row of the input file
+# -o [output-file]:       Output destination file path (default: STDOUT)
+# -d [include-data]:      Whether to include the data row in output (true | false) (default: false)
+
+# eg: ./scripts/find-bad-rows.sh -i eth.state_cids.csv -c 8 -o res.txt -d true
+# output: 1 9 1500000,xxxxxxxx,0x83952d392f9b0059eea94b10d1a095eefb1943ea91595a16c6698757127d4e1c,,
+#         baglacgzasvqcntdahkxhufdnkm7a22s2eetj6mx6nzkarwxtkvy4x3bubdgq,\x0f,0,f,/blocks/,
+#         DMQJKYBGZRQDVLT2CRWVGPQNNJNCCJU7GL7G4VAI3LZVK4OL5Q2ARTI
+
+while getopts i:c:o:d: OPTION
+do
+  case "${OPTION}" in
+    i) inputFile=${OPTARG};;
+    c) expectedColumns=${OPTARG};;
+    o) outputFile=${OPTARG};;
+    d) data=${OPTARG};;
+  esac
+done
+
+timestamp=$(date +%s)
+
+# if data requested, dump row number, number of columns and the row
+if [ "${data}" = true ] ; then
+  if [ -z "${outputFile}" ]; then
+    awk -F"," "NF!=${expectedColumns} {print NR, NF, \$0}" < ${inputFile}
+  else
+    awk -F"," "NF!=${expectedColumns} {print NR, NF, \$0}" < ${inputFile} > ${outputFile}
+  fi
+# else, dump only row number, number of columns
+else
+  if [ -z "${outputFile}" ]; then
+    awk -F"," "NF!=${expectedColumns} {print NR, NF}" < ${inputFile}
+  else
+    awk -F"," "NF!=${expectedColumns} {print NR, NF}" < ${inputFile} > ${outputFile}
+  fi
+fi
+
+difference=$(($(date +%s)-timestamp))
+echo Time taken: $(date -d@${difference} -u +%H:%M:%S)
@@ -0,0 +1,75 @@
+#!/bin/bash
+
+# Requires:
+# IMPORT_LOG
+# IMPORT_INPUT_DIR
+# IMPORT_INPUT_DEDUP_DIR
+# TIMESCALEDB_WORKERS
+# DATABASE_USER
+# DATABASE_HOSTNAME
+# DATABASE_PORT
+# DATABASE_NAME
+# DATABASE_PASSWORD
+
+DEFAULT_TIMESCALEDB_WORKERS=8
+
+# env file arg
+ENV=$1
+echo "Using env file: ${ENV}"
+
+# read env file
+export $(grep -v '^#' ${ENV} | xargs)
+
+if [ "$TIMESCALEDB_WORKERS" = "" ]; then
+	TIMESCALEDB_WORKERS=$DEFAULT_TIMESCALEDB_WORKERS
+fi
+
+# redirect stdout/stderr to a file
+exec >"${IMPORT_LOG}" 2>&1
+
+start_timestamp=$(date +%s)
+
+declare -a tables
+# schema-table-copyOptions
+tables=(
+  "public-nodes"
+  "public-blocks"
+  "eth-access_list_elements"
+  "eth-log_cids-FORCE NOT NULL topic0, topic1, topic2, topic3 CSV"
+  "eth-state_accounts"
+  "eth-storage_cids-FORCE NOT NULL storage_leaf_key CSV"
+  "eth-uncle_cids"
+  "eth-header_cids"
+  "eth-receipt_cids-FORCE NOT NULL post_state, contract, contract_hash CSV"
+  "eth-state_cids-FORCE NOT NULL state_leaf_key CSV"
+  "eth-transaction_cids-FORCE NOT NULL dst CSV"
+)
+
+for elem in "${tables[@]}";
+do
+	IFS='-' read -a arr <<< "${elem}"
+
+	if [ "${arr[0]}.${arr[1]}" = "public.blocks" ];
+	then
+		copy_command="timescaledb-parallel-copy --connection \"host=${DATABASE_HOSTNAME} port=${DATABASE_PORT} user=${DATABASE_USER} password=${DATABASE_PASSWORD} sslmode=disable\" --db-name ${DATABASE_NAME} --schema ${arr[0]} --table ${arr[1]} --file ${IMPORT_INPUT_DEDUP_DIR}/deduped-${arr[0]}.${arr[1]}.csv --workers ${TIMESCALEDB_WORKERS} --reporting-period 300s"
+	else
+		copy_command="timescaledb-parallel-copy --connection \"host=${DATABASE_HOSTNAME} port=${DATABASE_PORT} user=${DATABASE_USER} password=${DATABASE_PASSWORD} sslmode=disable\" --db-name ${DATABASE_NAME} --schema ${arr[0]} --table ${arr[1]} --file ${IMPORT_INPUT_DIR}/${arr[0]}.${arr[1]}.csv --workers ${TIMESCALEDB_WORKERS} --reporting-period 300s"
+	fi
+
+	if [ "${arr[2]}" != "" ];
+	then
+		copy_with_options="${copy_command} --copy-options \"${arr[2]}\""
+	else
+		copy_with_options=${copy_command}
+	fi
+
+	echo "${arr[0]}.${arr[1]}"
+	echo Start: "$(date)"
+	eval "${copy_with_options}"
+	echo End: "$(date)"
+	echo
+done
+
+difference=$(($(date +%s)-start_timestamp))
+echo Time taken: $((difference/86400)):$(date -d@${difference} -u +%H:%M:%S)
+echo
Author	SHA1	Message	Date
dboreham	46cd8b1834	Merge pull request #103 from cerc-io/dboreham/prerun-workers use workers in prerun mode	2022-09-22 07:37:38 -06:00
dboreham	c0cd87ba6a	Make doc consistent	2022-09-22 07:26:32 -06:00
prathamesh0	2db235f244	Add helper scripts for processing and importing statediffed data (#105 ) * Add helper scripts for processing and importing statediffed data * Add instructions to use the helper scripts * Update scripts to use arrays * Update README with bad row output example * Remove delimiter option from xargs command	2022-09-22 13:52:47 +05:30
dboreham	a827c4a36b	Merge branch 'v4' into dboreham/prerun-workers	2022-09-21 14:04:46 -06:00
dboreham	14b9c169bc	Add viper boiler plate	2022-09-21 14:00:45 -06:00
dboreham	a2772762e1	Make pprof configurable, remove todos	2022-09-21 13:33:15 -06:00
dboreham	b1440d9673	Fix off by one error	2022-09-21 13:06:41 -06:00
Michael Shaw	67d8bced4f	one more reference changed to git.vdb.to	2022-09-21 13:27:05 -04:00
Michael Shaw	12f4810ced	missed Makefile update for cerc-io	2022-09-21 11:55:17 -04:00
Michael Shaw	7a8d38c955	indentation problem in yml	2022-09-21 11:24:43 -04:00
Michael Shaw	d09cd0afe6	update tagging and push to git.vdb.to registry	2022-09-21 11:13:23 -04:00
Michael	bcca82eaa3	Cerc refactor (#104 ) * cerc refactor waiting on unpublished dependencies * updated go.mod for published dependencies in cerc-io refactoring	2022-09-20 14:00:10 -04:00
Michael	dad77b561d	Merge pull request #102 from vulcanize/rebase-1.10.23-wip update for geth 1.10.23	2022-09-02 16:16:34 -04:00
Michael Shaw	c939822a95	update for geth 1.10.23	2022-09-02 15:56:56 -04:00
dboreham	6d103cb1f1	Add some logging	2022-09-02 10:51:13 -06:00
dboreham	99f84b6fe6	Comment	2022-09-01 23:43:38 -06:00
dboreham	5b7f5feb1b	Enable pprof	2022-09-01 23:42:55 -06:00
dboreham	7f8885f044	Add comment	2022-08-31 07:54:16 -06:00
dboreham	d235f3b84c	Initial version of parallel workers for prerun-only mode	2022-08-30 22:31:54 -06:00
Michael	1fdb8763ac	Merge pull request #101 from vulcanize/geth_1_10_21_wip updates for geth 1.10.21	2022-08-03 10:21:22 -04:00
Michael Shaw	cd5aee30c7	missed go mod tidy	2022-08-03 10:08:01 -04:00
Michael Shaw	040638ca05	updates for geth 1.10.21	2022-08-03 10:03:57 -04:00
Ashwin Phatak	681e656034	Merge pull request #98 from deep-stack/pm-import-instructions Add instructions to import data output in file mode	2022-07-19 15:10:25 +05:30
prathamesh	85896f91b7	Expose database stats in metrics	2022-07-19 15:00:01 +05:30
prathamesh	52c7f84432	Update instructions to import data output	2022-07-18 19:14:41 +05:30
prathamesh	aa6ee578f4	Add instructions to import data output in file mode	2022-07-13 19:33:47 +05:30
prathamesh0	1f898f60c3	Upgrade geth after schema changes (#97 ) * Include intermediate nodes in builder tests for watched addresses * Upgrade geth	2022-07-12 16:38:05 +05:30
nabarun	0c56037e1f	Upgrade geth and add params for CSV file mode (#96 ) * Upgrade geth and add params for CSV file mode * Add options for file mode flag * index intermediate nodes when watching addresses	2022-07-01 13:29:48 +05:30
prathamesh0	9aa683442e	Reuse builder from vulcanize-geth (#92 ) * Reuse builder code from vulcanize-geth * Upgrade geth dependency	2022-06-24 14:12:58 +05:30
Abdul Rabbani	adf3dd4b6f	Update CICD pipeline to skip duplicate tests (#95 ) * Update CICD pipeline to skip duplicate tests * fix dependencies * Fix other dep	2022-06-17 09:45:53 -04:00
Abdul Rabbani	5ea4b6766a	Merge pull request #94 from vulcanize/feature/update-geth-v1.10.19 Update geth and check for duplicate jobs in CI	2022-06-17 09:00:19 -04:00
Abdul Rabbani	2c4fd6f099	Update geth and check for duplicate jobs in CI	2022-06-17 08:56:25 -04:00
Ashwin Phatak	f964b53fe3	Merge pull request #91 from vulcanize/ng-update-iterator Update go-eth-state-node-iterator version	2022-06-10 15:27:31 +05:30
nabarun	b8dad6a09b	Update go-eth-state-node-iterator version	2022-06-10 15:02:42 +05:30
Abdul Rabbani	1dc90d0417	Merge pull request #89 from vulcanize/feature/update-go-geth-sharding Feature/update go geth sharding	2022-05-31 13:41:15 -04:00
Abdul Rabbani	784ffb8726	Update geth version	2022-05-31 13:37:35 -04:00
Abdul Rabbani	1ddffe65be	Merge branch 'master' into feature/update-go-geth-sharding	2022-05-31 13:35:11 -04:00
Abdul Rabbani	fdeece4b5d	Merge pull request #88 from vulcanize/release-v3.0.3 Update go and geth versions	2022-05-31 07:30:38 -04:00
Abdul Rabbani	a58b16b0a1	Update go and dependencies	2022-05-27 15:10:57 -04:00
Abdul Rabbani	a99dcb4ca9	Update the PR and release pipeline	2022-05-26 15:32:48 -04:00
Abdul Rabbani	d3fd7ef532	Update geth version using 1.10.18	2022-05-26 08:30:55 -04:00
Abdul Rabbani	3e8f5d34fb	Merge pull request #86 from vulcanize/feature/cicd-docker-test Combine build and publish	2022-05-18 15:21:38 -04:00
Abdul Rabbani	1df0e8b840	Fix GHA issues	2022-05-18 15:16:42 -04:00
Abdul Rabbani	5bdec6bc41	Change pipeline to not rebuild the image.	2022-05-18 15:11:06 -04:00
Abdul Rabbani	9fbc07c836	Combine build and publish	2022-05-18 14:58:46 -04:00
nabarun	cdcc3df9f2	Upgrade geth version to v4 (#85 ) * Upgrade geth version to v4 * Upgrade go-eth-state-node-iterator version	2022-05-17 19:22:30 +05:30
nabarun	5f6aec35b2	Support remote RPC client to access LevelDB (#83 ) * Implement use of custom chain config to test locally * Use leveldb-ethdb-rpc instead of leveldb path * Implement flag for leveldb access mode * Remove custom chain config json * Move database client to leveldb-ethdb-rpc * Update leveldb-ethdb-rpc version	2022-05-17 14:35:11 +05:30