init

.gitignore

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+# Logs
+logs
+*.log
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+
+# Runtime data
+pids
+*.pid
+*.seed
+*.pid.lock
+
+# Directory for instrumented libs generated by jscoverage/JSCover
+lib-cov
+
+# Coverage directory used by tools like istanbul
+coverage
+
+# nyc test coverage
+.nyc_output
+
+# Grunt intermediate storage (http://gruntjs.com/creating-plugins#storing-task-files)
+.grunt
+
+# Bower dependency directory (https://bower.io/)
+bower_components
+
+# node-waf configuration
+.lock-wscript
+
+# Compiled binary addons (https://nodejs.org/api/addons.html)
+build/Release
+
+# Dependency directories
+node_modules
+jspm_packages/
+
+# TypeScript v1 declaration files
+typings/
+
+# Optional npm cache directory
+.npm
+
+# Optional eslint cache
+.eslintcache
+
+# Optional REPL history
+.node_repl_history
+
+# Output of 'npm pack'
+*.tgz
+
+# Yarn Integrity file
+.yarn-integrity
+
+# dotenv environment variables file
+.env
+
+# next.js build output
+.next
+
+build
+.vscode
+.idea
+.env
+
+generated
+.DS_Store

abis/BridgeHelper.json

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+[
+  {
+    "inputs": [
+      {
+        "internalType": "contract IOmnibridge",
+        "name": "_bridge",
+        "type": "address"
+      },
+      { "internalType": "contract IWETH", "name": "_weth", "type": "address" },
+      { "internalType": "address", "name": "_owner", "type": "address" }
+    ],
+    "stateMutability": "nonpayable",
+    "type": "constructor"
+  },
+  {
+    "anonymous": false,
+    "inputs": [
+      {
+        "indexed": true,
+        "internalType": "address",
+        "name": "owner",
+        "type": "address"
+      },
+      {
+        "indexed": false,
+        "internalType": "bytes",
+        "name": "key",
+        "type": "bytes"
+      }
+    ],
+    "name": "PublicKey",
+    "type": "event"
+  },
+  {
+    "inputs": [],
+    "name": "WETH",
+    "outputs": [
+      { "internalType": "contract IWETH", "name": "", "type": "address" }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "bridge",
+    "outputs": [
+      { "internalType": "contract IOmnibridge", "name": "", "type": "address" }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [
+      { "internalType": "address", "name": "_token", "type": "address" },
+      { "internalType": "address", "name": "_to", "type": "address" }
+    ],
+    "name": "claimTokens",
+    "outputs": [],
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "inputs": [
+      { "internalType": "address", "name": "_token", "type": "address" },
+      { "internalType": "uint256", "name": "_value", "type": "uint256" },
+      { "internalType": "bytes", "name": "_data", "type": "bytes" }
+    ],
+    "name": "onTokenBridged",
+    "outputs": [],
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "owner",
+    "outputs": [{ "internalType": "address", "name": "", "type": "address" }],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "inputs": [
+      {
+        "components": [
+          { "internalType": "address", "name": "owner", "type": "address" },
+          { "internalType": "bytes", "name": "publicKey", "type": "bytes" }
+        ],
+        "internalType": "struct L1Helper.Account",
+        "name": "_account",
+        "type": "tuple"
+      }
+    ],
+    "name": "register",
+    "outputs": [],
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "inputs": [
+      { "internalType": "address", "name": "_newOwner", "type": "address" }
+    ],
+    "name": "transferOwnership",
+    "outputs": [],
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "wrapAndRelayTokens",
+    "outputs": [],
+    "stateMutability": "payable",
+    "type": "function"
+  },
+  {
+    "inputs": [
+      { "internalType": "address", "name": "_receiver", "type": "address" },
+      { "internalType": "bytes", "name": "_data", "type": "bytes" }
+    ],
+    "name": "wrapAndRelayTokens",
+    "outputs": [],
+    "stateMutability": "payable",
+    "type": "function"
+  },
+  {
+    "inputs": [
+      { "internalType": "address", "name": "_receiver", "type": "address" },
+      { "internalType": "bytes", "name": "_data", "type": "bytes" },
+      {
+        "components": [
+          { "internalType": "address", "name": "owner", "type": "address" },
+          { "internalType": "bytes", "name": "publicKey", "type": "bytes" }
+        ],
+        "internalType": "struct L1Helper.Account",
+        "name": "_account",
+        "type": "tuple"
+      }
+    ],
+    "name": "wrapAndRelayTokens",
+    "outputs": [],
+    "stateMutability": "payable",
+    "type": "function"
+  },
+  {
+    "inputs": [
+      { "internalType": "address", "name": "_receiver", "type": "address" }
+    ],
+    "name": "wrapAndRelayTokens",
+    "outputs": [],
+    "stateMutability": "payable",
+    "type": "function"
+  },
+  { "stateMutability": "payable", "type": "receive" }
+]

package.json

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+{
+  "name": "tornado-pool-subgraph",
+  "license": "UNLICENSED",
+  "scripts": {
+    "codegen": "graph codegen",
+    "build": "graph build",
+    "deploy": "graph deploy --node https://api.thegraph.com/deploy/ tornadocash/tornado-pool-subgraph",
+    "create-local": "graph create --node http://localhost:8020/ tornadocash/tornado-pool-subgraph",
+    "remove-local": "graph remove --node http://localhost:8020/ tornadocash/tornado-pool-subgraph",
+    "deploy-local": "graph deploy --node http://localhost:8020/ --ipfs http://localhost:5001 tornadocash/tornado-pool-subgraph"
+  },
+  "dependencies": {
+    "@graphprotocol/graph-cli": "0.22.3",
+    "@graphprotocol/graph-ts": "0.22.1"
+  }
+}

schema.graphql

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+type Account @entity {
+  id: ID!
+  key: Bytes!
+  owner: Bytes!
+  blockNumber: BigInt!
+}

src/mapping.ts

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+import { Account } from "../generated/schema";
+import { PublicKey } from "../generated/BridgeHelper/BridgeHelper";
+
+export function handlePublicKey(event: PublicKey): void {
+  let entity = new Account(
+    event.transaction.from.toHex() + "-" + event.logIndex.toString()
+  );
+
+  entity.key = event.params.key;
+  entity.owner = event.params.owner;
+  entity.blockNumber = event.block.number;
+
+  entity.save();
+}

subgraph.yaml

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+specVersion: 0.0.2
+schema:
+  file: ./schema.graphql
+dataSources:
+  - kind: ethereum/contract
+    name: BridgeHelper
+    network: bsc
+    source:
+      address: "0x2353Dcda746fa1AAD17C5650Ddf2A20112862197"
+      abi: BridgeHelper
+      startBlock: 11559625
+    mapping:
+      kind: ethereum/events
+      apiVersion: 0.0.5
+      language: wasm/assemblyscript
+      entities:
+        - PublicKey
+      abis:
+        - name: BridgeHelper
+          file: ./abis/BridgeHelper.json
+      eventHandlers:
+        - event: PublicKey(indexed address,bytes)
+          handler: handlePublicKey
+      file: ./src/mapping.ts