const Web3 = require("web3"); const web3 = new Web3("ws://localhost:8545"); const fs = require("fs-extra"); const abi = [ { "constant": false, "inputs": [ { "internalType": "string", "name": "title", "type": "string" } ], "name": "createProduct", "outputs": [], "payable": false, "stateMutability": "nonpayable", "type": "function" }, { "constant": false, "inputs": [ { "internalType": "uint256", "name": "productId", "type": "uint256" }, { "internalType": "string", "name": "title", "type": "string" } ], "name": "editProduct", "outputs": [], "payable": false, "stateMutability": "nonpayable", "type": "function" }, { "constant": true, "inputs": [ { "internalType": "uint256", "name": "", "type": "uint256" } ], "name": "products", "outputs": [ { "internalType": "string", "name": "title", "type": "string" }, { "internalType": "uint256", "name": "latestRating", "type": "uint256" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": false, "inputs": [ { "internalType": "uint256", "name": "productId", "type": "uint256" }, { "internalType": "uint256", "name": "rating", "type": "uint256" } ], "name": "rateProduct", "outputs": [], "payable": false, "stateMutability": "nonpayable", "type": "function" }, { "inputs": [], "payable": false, "stateMutability": "nonpayable", "type": "constructor" }, { "payable": true, "stateMutability": "payable", "type": "fallback" }, { "anonymous": false, "inputs": [ { "indexed": false, "internalType": "uint256", "name": "productId", "type": "uint256" } ], "name": "newProduct", "type": "event" }, { "anonymous": false, "inputs": [ { "indexed": true, "internalType": "uint256", "name": "productId", "type": "uint256" }, { "indexed": false, "internalType": "uint256", "name": "rating", "type": "uint256" } ], "name": "Rating", "type": "event" } ]; 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const MyContract = new web3.eth.Contract(abi, {data, gas: "800000"}); (async () => { if (!web3.eth.defaultAccount) { const accounts = await web3.eth.getAccounts(); web3.eth.defaultAccount = accounts[0]; } const instance = await MyContract.deploy().send({ from: web3.eth.defaultAccount }); let address = instance.options.address; console.dir("deployment done!"); fs.writeJsonSync("./src/contract.json", { address, abi }); console.dir("artifact written to src/contract.json") process.exit(0) })()