Add Gelato web3 function deployment script for redstone oracles

.env.devnet

@@ -61,6 +61,9 @@ L1_RPC_URL=http://localhost:8545
 # L2 RPC URL, e.g. Infura, Alchemy, or your own node
 L2_RPC_URL=http://localhost:8546
 
+# Provider url for testing web3 function with
+PROVIDER_URLS=http://localhost:8546
+
 # *************** SMART CONTRACT VERIFICATION ***************
 
 # Contract verifier - blockscout or etherscan. If not provided, verification will be skipped.

.env.mainnet

@@ -61,6 +61,9 @@ L1_RPC_URL=https://eth.drpc.org
 # L2 RPC URL, e.g. Infura, Alchemy, or your own node
 L2_RPC_URL=https://rpc.api.lisk.com
 
+# Provider url for testing web3 function with
+PROVIDER_URLS=https://rpc.api.lisk.com
+
 # *************** SMART CONTRACT VERIFICATION ***************
 
 # Contract verifier - blockscout or etherscan. If not provided, verification will be skipped.

.env.testnet

@@ -61,6 +61,9 @@ L1_RPC_URL=https://sepolia.drpc.org
 # L2 RPC URL, e.g. Infura, Alchemy, or your own node
 L2_RPC_URL=https://rpc.sepolia-api.lisk.com
 
+# Provider url for testing web3 function with
+PROVIDER_URLS=https://rpc.sepolia-api.lisk.com
+
 # *************** SMART CONTRACT VERIFICATION ***************
 
 # Contract verifier - blockscout or etherscan. If not provided, verification will be skipped.

hardhat.config.ts

@@ -0,0 +1,94 @@
+import { HardhatUserConfig } from "hardhat/config";
+
+// PLUGINS
+import "@gelatonetwork/web3-functions-sdk/hardhat-plugin";
+import "@nomicfoundation/hardhat-chai-matchers";
+import "@nomiclabs/hardhat-ethers";
+import "@typechain/hardhat";
+import "hardhat-deploy";
+
+// Process Env Variables
+import * as dotenv from "dotenv";
+dotenv.config({ path: __dirname + "/.env" });
+
+const PK = process.env.PK;
+const ALCHEMY_ID = process.env.ALCHEMY_ID;
+const ETHERSCAN_API_KEY = process.env.ETHERSCAN_API_KEY;
+
+// HardhatUserConfig bug
+// eslint-disable-next-line @typescript-eslint/no-explicit-any
+const config: HardhatUserConfig = {
+  // web3 functions
+  w3f: {
+    rootDir: "./web3-functions",
+    debug: false,
+    networks: ["hardhat", "mumbai"], //(multiChainProvider) injects provider for these networks
+  },
+  // hardhat-deploy
+  namedAccounts: {
+    deployer: {
+      default: 0,
+    },
+  },
+  defaultNetwork: "liskSepolia",
+
+  networks: {
+    hardhat: {
+      forking: {
+        url: `https://polygon-mumbai.g.alchemy.com/v2/${ALCHEMY_ID}`,
+        blockNumber: 35241432,
+      },
+    },
+
+    ethereum: {
+      accounts: PK ? [PK] : [],
+      chainId: 1,
+      url: `https://eth-mainnet.alchemyapi.io/v2/${ALCHEMY_ID}`,
+    },
+    mumbai: {
+      accounts: PK ? [PK] : [],
+      chainId: 80001,
+      url: `https://polygon-mumbai.g.alchemy.com/v2/${ALCHEMY_ID}`,
+    },
+    polygon: {
+      accounts: PK ? [PK] : [],
+      chainId: 137,
+      url: "https://polygon-rpc.com",
+    },
+    liskSepolia: {
+      accounts: PK ? [PK] : [],
+      chainId: 4202,
+      url: "https://rpc.sepolia-api.lisk.com",
+    },
+    lisk: {
+      accounts: PK ? [PK] : [],
+      chainId: 1135,
+      url: "https://rpc.api.lisk.com",
+    },
+  },
+
+  solidity: {
+    compilers: [
+      {
+        version: "0.8.18",
+        settings: {
+          optimizer: { enabled: true, runs: 200 },
+        },
+      },
+    ],
+  },
+
+  typechain: {
+    outDir: "typechain",
+    target: "ethers-v5",
+  },
+
+  // hardhat-deploy
+  verify: {
+    etherscan: {
+      apiKey: ETHERSCAN_API_KEY ? ETHERSCAN_API_KEY : "",
+    },
+  },
+};
+
+export default config;

package.json

@@ -0,0 +1,67 @@
+{
+  "name": "lens-ai-poc",
+  "version": "0.0.1",
+  "description": "Smart Oracle that pushes prices online every hour or when the price difference with the last price is greater or equal than 2%",
+  "scripts": {
+    "build": "yarn install && yarn compile && npx tsc",
+    "clean": "yarn hardhat clean && rm -rf node_modules && rm -rf dist",
+    "compile": "npx hardhat compile --force",
+    "deploy": "npx hardhat deploy",
+    "test": "npx hardhat test --network liskSepolia",
+    "format": "prettier --write '*/**/*.*{js,json,md,ts}'",
+    "format:check": "prettier --check '*/**/*.*{js,json,md,ts}'",
+    "tinker": "npx hardhat run scripts/tinker.ts",
+    "lint": "eslint --cache . && yarn lint:sol",
+    "lint:ts": "eslint -c .eslintrc.json --ext \"**/*.ts\" \"**/*.test.ts\"",
+    "lint:sol": "solhint 'contracts/**/*.sol'",
+    "postinstall": "yarn husky install",
+    "w3f:deploy": "npx w3f deploy web3-functions/index.ts",
+    "w3f:test": "npx w3f test web3-functions/index.ts --logs --chain-id=4202"
+  },
+  "license": "ISC",
+  "devDependencies": {
+    "@ethersproject/providers": "5.7.2",
+    "@gelatonetwork/automate-sdk": "^2.7.0-beta",
+    "@gelatonetwork/web3-functions-sdk": "^2.0.3",
+    "@nomicfoundation/hardhat-chai-matchers": "1.0.6",
+    "@nomicfoundation/hardhat-network-helpers": "^1.0.8",
+    "@nomiclabs/hardhat-ethers": "2.2.3",
+    "@openzeppelin/contracts-upgradeable": "4.8.3",
+    "@tsconfig/recommended": "1.0.2",
+    "@typechain/ethers-v5": "^10.2.1",
+    "@typechain/hardhat": "6.1.6",
+    "@types/chance": "1.1.3",
+    "@types/mocha": "^10.0.1",
+    "@types/node": "16.7.10",
+    "@types/uuid": "9.0.1",
+    "@typescript-eslint/eslint-plugin": "4.30.0",
+    "@typescript-eslint/parser": "4.30.0",
+    "chai": "4.3.7",
+    "dotenv": "10.0.0",
+    "eslint": "7.32.0",
+    "eslint-config-prettier": "8.3.0",
+    "eslint-plugin-prettier": "4.0.0",
+    "ethers": "5.7.2",
+    "hardhat": "2.14.0",
+    "hardhat-contract-sizer": "2.8.0",
+    "hardhat-deploy": "0.11.29",
+    "husky": "8.0.3",
+    "lint-staged": "11.1.2",
+    "prettier": "2.8.8",
+    "prettier-plugin-solidity": "1.1.3",
+    "rxjs": "7.8.1",
+    "solhint": "3.4.1",
+    "solhint-plugin-prettier": "0.0.5",
+    "ts-node": "10.9.1",
+    "typechain": "^8.1.1",
+    "typescript": "5.0.4"
+  },
+  "lint-staged": {
+    "*.*{js,json,md,ts,yml,yaml}": "prettier --write",
+    "*.*{ts,js}": "eslint -c .eslintrc.json"
+  },
+  "dependencies": {
+    "@openzeppelin/contracts": "^4.9.0",
+    "@redstone-finance/evm-connector": "^0.0.22"
+  }
+}

web3-functions/index.ts

@@ -0,0 +1,62 @@
+import {
+  Web3Function,
+  Web3FunctionContext,
+} from "@gelatonetwork/web3-functions-sdk";
+import { BigNumber, Contract } from "ethers";
+import { WrapperBuilder } from "@redstone-finance/evm-connector";
+
+const ORACLE_ABI = [
+  "function getStoredPrice() public view returns (uint256)",
+  "function getLivePrice() public view returns (uint256)",
+  "function getPriceDeviation() external view returns (uint)",
+  "function decimals() external pure returns (uint8)",
+  "function updatePrice() public",
+];
+
+Web3Function.onRun(async (context: Web3FunctionContext) => {
+  const { userArgs, multiChainProvider } = context;
+
+  const provider = multiChainProvider.default();
+
+  const oracleAddress = userArgs.oracleAddress as string;
+  const oracle = new Contract(oracleAddress, ORACLE_ABI, provider);
+
+  // Wrap contract with redstone data service
+  const wrappedOracle = WrapperBuilder.wrap(oracle).usingDataService(
+    {
+      dataServiceId: "redstone-rapid-demo",
+      uniqueSignersCount: 1,
+      dataFeeds: ["LSK"],
+      disablePayloadsDryRun: true,
+    },
+    ["https://d33trozg86ya9x.cloudfront.net"]
+  );
+
+  // Retrieve stored & live prices
+  const decimals = await wrappedOracle.decimals();
+  const livePrice: BigNumber = await wrappedOracle.getLivePrice();
+  const storedPrice: BigNumber = await wrappedOracle.getStoredPrice();
+  console.log(`Live price: ${livePrice.toString()}`);
+  console.log(`Stored price: ${storedPrice.toString()}`);
+
+  // Check price deviation
+  const deviation: BigNumber = await wrappedOracle.getPriceDeviation();
+  const deviationPrct = (deviation.toNumber() / 10 ** decimals) * 100;
+  console.log(`Deviation: ${deviationPrct.toFixed(2)}%`);
+
+  // Only update price if deviation is above 0.2%
+  const minDeviation = 0.2;
+  if (deviationPrct < minDeviation) {
+    return {
+      canExec: false,
+      message: `No update: price deviation too small`,
+    };
+  }
+
+  // Craft transaction to update the price on-chain
+  const { data } = await wrappedOracle.populateTransaction.updatePrice();
+  return {
+    canExec: true,
+    callData: [{ to: oracleAddress, data: data as string }],
+  };
+});

web3-functions/schema.json

@@ -0,0 +1,10 @@
+{
+  "web3FunctionVersion": "2.0.0",
+  "runtime": "js-1.0",
+  "memory": 128,
+  "timeout": 30,
+  "userArgs": {
+    "currency": "string",
+    "oracleAddress": "string"
+  }
+}

web3-functions/userArgs.json

@@ -0,0 +1,4 @@
+{ 
+"currency":"LSK",
+"oracleAddress":"0x198549B829ba2Cc8c203247f25c3b3bC33df6304"
+}