Created
April 12, 2022 23:17
-
-
Save arcticfloyd1984/518c449afdcbf4500d429934cab280fe to your computer and use it in GitHub Desktop.
Batched Transactions
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| const { Biconomy } = require("@biconomy/mexa"); | |
| const { ethers } = require("ethers"); | |
| const axios = require('axios').default; | |
| const privateKey = "0xd952fa86f1e2fed30fb3a6da6e5c24d7deb65b6bb46da3ece5f56fd39e64bbd0"; | |
| let userAddress1 = ethers.utils.getAddress("0x040a9cbc4453b0eeae12f3210117b422b890c1ed"); | |
| let userAddress2 = ethers.utils.getAddress("0x4c07e2fa10f9871142883139b32cb03f2a180494"); | |
| let userAddress3 = ethers.utils.getAddress("0x6561ad57cde7863bce871977c951af21bec2e74c"); | |
| let userAddress4 = ethers.utils.getAddress("0xaa7f52b2bf183ce85c1d291d838030df41018a44"); | |
| let userAddress5 = ethers.utils.getAddress("0x02649f6d43556e76cf7a515a9f589bb23287378d"); | |
| let userAddresses = [userAddress1, userAddress2, userAddress3, userAddress4, userAddress5]; | |
| let contracts = []; | |
| let biconomy; | |
| let jsonRpcProvider; | |
| let signer; | |
| let helperAttributes = { | |
| domainType: [ | |
| { name: "name", type: "string" }, | |
| { name: "version", type: "string" }, | |
| { name: "verifyingContract", type: "address" }, | |
| { name: "salt", type: "bytes32" }, | |
| ], | |
| forwardRequestType: [ | |
| {name:'from',type:'address'}, | |
| {name:'to',type:'address'}, | |
| {name:'token',type:'address'}, | |
| {name:'txGas',type:'uint256'}, | |
| {name:'tokenGasPrice',type:'uint256'}, | |
| {name:'batchId',type:'uint256'}, | |
| {name:'batchNonce',type:'uint256'}, | |
| {name:'deadline',type:'uint256'}, | |
| {name:'data',type:'bytes'} | |
| ], | |
| biconomyForwarderDomainData: { | |
| name : "Biconomy Forwarder", | |
| version : "1", | |
| } | |
| }; | |
| let ethersProvider; | |
| const abi = [ { "inputs": [ { "internalType": "string", "name": "newQuote", "type": "string" } ], "name": "setQuote", "outputs": [], "stateMutability": "nonpayable", "type": "function" }, { "inputs": [ { "internalType": "address", "name": "_trustedForwarder", "type": "address" } ], "name": "setTrustedForwarder", "outputs": [], "stateMutability": "nonpayable", "type": "function" }, { "inputs": [], "stateMutability": "nonpayable", "type": "constructor" }, { "inputs": [], "name": "admin", "outputs": [ { "internalType": "address", "name": "", "type": "address" } ], "stateMutability": "view", "type": "function" }, { "inputs": [], "name": "getQuote", "outputs": [ { "internalType": "string", "name": "currentQuote", "type": "string" }, { "internalType": "address", "name": "currentOwner", "type": "address" } ], "stateMutability": "view", "type": "function" }, { "inputs": [ { "internalType": "address", "name": "forwarder", "type": "address" } ], "name": "isTrustedForwarder", "outputs": [ { "internalType": "bool", "name": "", "type": "bool" } ], "stateMutability": "view", "type": "function" }, { "inputs": [], "name": "owner", "outputs": [ { "internalType": "address", "name": "", "type": "address" } ], "stateMutability": "view", "type": "function" }, { "inputs": [], "name": "quote", "outputs": [ { "internalType": "string", "name": "", "type": "string" } ], "stateMutability": "view", "type": "function" }, { "inputs": [], "name": "trustedForwarder", "outputs": [ { "internalType": "address", "name": "", "type": "address" } ], "stateMutability": "view", "type": "function" }, { "inputs": [], "name": "versionRecipient", "outputs": [ { "internalType": "string", "name": "", "type": "string" } ], "stateMutability": "view", "type": "function" } ] | |
| const init = async () => { | |
| jsonRpcProvider = new ethers.providers.JsonRpcProvider("https://kovan.infura.io/v3/30125eccc47e475b9a9421f0eaf1e19c"); | |
| biconomy = new Biconomy(jsonRpcProvider, { | |
| // apiKey: "UoqE4xJwj.6146f43c-07a6-45a7-84f9-edbf9ba19480", | |
| apiKey: "yARl7lxj5.715a8264-060f-41c0-b588-146b42190e0c", | |
| debug: true | |
| }); | |
| ethersProvider = new ethers.providers.Web3Provider(biconomy); | |
| signer = new ethers.Wallet(privateKey, jsonRpcProvider); | |
| biconomy.onEvent(biconomy.READY, async () => { | |
| for(let userAddressIndex = 0; userAddressIndex < userAddresses.length; userAddressIndex++) { | |
| let contract = new ethers.Contract( | |
| ethers.utils.getAddress("0x5df74db6377bfd6d81ffa622f9c9c1451249fcf4"), | |
| abi, | |
| biconomy.getSignerByAddress(userAddresses[userAddressIndex]) | |
| ); | |
| contracts.push(contract); | |
| } | |
| contractInterface = new ethers.utils.Interface(abi); | |
| await executeBatchedTransactionsEIP712(); | |
| // await executeBatchedTransactionsPersonalSign(); | |
| }).onEvent(biconomy.ERROR, (error, message) => { | |
| // Handle error while initializing mexa | |
| console.log(message); | |
| console.log(error); | |
| }); | |
| } | |
| const executeBatchedTransactionsEIP712 = async () => { | |
| try { | |
| let gasPrice = await ethersProvider.getGasPrice(); | |
| let forwarder = {address: "0x94Dc33585513129b4b30dAD7Ec2C53cD1F976f47", abi: [ { "inputs": [ { "internalType": "address", "name": "_owner", "type": "address" } ], "stateMutability": "nonpayable", "type": "constructor" }, { "anonymous": false, "inputs": [ { "indexed": true, "internalType": "bytes32", "name": "domainSeparator", "type": "bytes32" }, { "indexed": false, "internalType": "bytes", "name": "domainValue", "type": "bytes" } ], "name": "DomainRegistered", "type": "event" }, { "inputs": [ { "components": [ { "internalType": "address", "name": "from", "type": "address" }, { "internalType": "address", "name": "to", "type": "address" }, { "internalType": "uint256", "name": "txGas", "type": "uint256" }, { "internalType": "uint256", "name": "batchId", "type": "uint256" }, { "internalType": "uint256", "name": "batchNonce", "type": "uint256" }, { "internalType": "uint256", "name": "deadline", "type": "uint256" }, { "internalType": "bytes", "name": "data", "type": "bytes" } ], "internalType": "struct ERC20ForwardRequestTypes.ERC20ForwardRequest[]", "name": "reqs", "type": "tuple[]" }, { "internalType": "bytes32", "name": "domainSeparator", "type": "bytes32" }, { "internalType": "bytes[]", "name": "sigs", "type": "bytes[]" } ], "name": "executeBatchEIP712", "outputs": [ { "internalType": "bytes[]", "name": "results", "type": "bytes[]" } ], "stateMutability": "nonpayable", "type": "function" }, { "inputs": [ { "components": [ { "internalType": "address", "name": "from", "type": "address" }, { "internalType": "address", "name": "to", "type": "address" }, { "internalType": "uint256", "name": "txGas", "type": "uint256" }, { "internalType": "uint256", "name": "batchId", "type": "uint256" }, { "internalType": "uint256", "name": "batchNonce", "type": "uint256" }, { "internalType": "uint256", "name": "deadline", "type": "uint256" }, { "internalType": "bytes", "name": "data", "type": "bytes" } ], "internalType": "struct ERC20ForwardRequestTypes.ERC20ForwardRequest[]", "name": "reqs", "type": "tuple[]" }, { "internalType": "bytes[]", "name": "sigs", "type": "bytes[]" } ], "name": "executeBatchPersonalSign", "outputs": [ { "internalType": "bytes[]", "name": "results", "type": "bytes[]" } ], "stateMutability": "nonpayable", "type": "function" }, { "inputs": [ { "components": [ { "internalType": "address", "name": "from", "type": "address" }, { "internalType": "address", "name": "to", "type": "address" }, { "internalType": "uint256", "name": "txGas", "type": "uint256" }, { "internalType": "uint256", "name": "batchId", "type": "uint256" }, { "internalType": "uint256", "name": "batchNonce", "type": "uint256" }, { "internalType": "uint256", "name": "deadline", "type": "uint256" }, { "internalType": "bytes", "name": "data", "type": "bytes" } ], "internalType": "struct ERC20ForwardRequestTypes.ERC20ForwardRequest", "name": "req", "type": "tuple" }, { "internalType": "bytes32", "name": "domainSeparator", "type": "bytes32" }, { "internalType": "bytes", "name": "sig", "type": "bytes" } ], "name": "executeEIP712", "outputs": [ { "internalType": "bool", "name": "success", "type": "bool" }, { "internalType": "bytes", "name": "ret", "type": "bytes" } ], "stateMutability": "nonpayable", "type": "function" }, { "anonymous": false, "inputs": [ { "indexed": true, "internalType": "address", "name": "previousOwner", "type": "address" }, { "indexed": true, "internalType": "address", "name": "newOwner", "type": "address" } ], "name": "OwnershipTransferred", "type": "event" }, { "inputs": [ { "internalType": "string", "name": "name", "type": "string" }, { "internalType": "string", "name": "version", "type": "string" } ], "name": "registerDomainSeparator", "outputs": [], "stateMutability": "nonpayable", "type": "function" }, { "inputs": [], "name": "renounceOwnership", "outputs": [], "stateMutability": "nonpayable", "type": "function" }, { "inputs": [ { "internalType": "address", "name": "newOwner", "type": "address" } ], "name": "transferOwnership", "outputs": [], "stateMutability": "nonpayable", "type": "function" }, { "inputs": [ { "internalType": "bytes32", "name": "", "type": "bytes32" } ], "name": "domains", "outputs": [ { "internalType": "bool", "name": "", "type": "bool" } ], "stateMutability": "view", "type": "function" }, { "inputs": [], "name": "EIP712_DOMAIN_TYPE", "outputs": [ { "internalType": "string", "name": "", "type": "string" } ], "stateMutability": "view", "type": "function" }, { "inputs": [ { "internalType": "address", "name": "from", "type": "address" }, { "internalType": "uint256", "name": "batchId", "type": "uint256" } ], "name": "getNonce", "outputs": [ { "internalType": "uint256", "name": "", "type": "uint256" } ], "stateMutability": "view", "type": "function" }, { "inputs": [], "name": "isOwner", "outputs": [ { "internalType": "bool", "name": "", "type": "bool" } ], "stateMutability": "view", "type": "function" }, { "inputs": [], "name": "owner", "outputs": [ { "internalType": "address", "name": "", "type": "address" } ], "stateMutability": "view", "type": "function" }, { "inputs": [], "name": "REQUEST_TYPEHASH", "outputs": [ { "internalType": "bytes32", "name": "", "type": "bytes32" } ], "stateMutability": "view", "type": "function" }, { "inputs": [ { "components": [ { "internalType": "address", "name": "from", "type": "address" }, { "internalType": "address", "name": "to", "type": "address" }, { "internalType": "uint256", "name": "txGas", "type": "uint256" }, { "internalType": "uint256", "name": "batchId", "type": "uint256" }, { "internalType": "uint256", "name": "batchNonce", "type": "uint256" }, { "internalType": "uint256", "name": "deadline", "type": "uint256" }, { "internalType": "bytes", "name": "data", "type": "bytes" } ], "internalType": "struct ERC20ForwardRequestTypes.ERC20ForwardRequest", "name": "req", "type": "tuple" }, { "internalType": "bytes32", "name": "domainSeparator", "type": "bytes32" }, { "internalType": "bytes", "name": "sig", "type": "bytes" } ], "name": "verifyEIP712", "outputs": [], "stateMutability": "view", "type": "function" }, { "inputs": [ { "components": [ { "internalType": "address", "name": "from", "type": "address" }, { "internalType": "address", "name": "to", "type": "address" }, { "internalType": "uint256", "name": "txGas", "type": "uint256" }, { "internalType": "uint256", "name": "batchId", "type": "uint256" }, { "internalType": "uint256", "name": "batchNonce", "type": "uint256" }, { "internalType": "uint256", "name": "deadline", "type": "uint256" }, { "internalType": "bytes", "name": "data", "type": "bytes" } ], "internalType": "struct ERC20ForwardRequestTypes.ERC20ForwardRequest", "name": "req", "type": "tuple" }, { "internalType": "bytes", "name": "sig", "type": "bytes" } ], "name": "verifyPersonalSign", "outputs": [], "stateMutability": "view", "type": "function" } ]}; | |
| const forwarderContracts = []; | |
| const to = ethers.utils.getAddress("0x5df74db6377bfd6d81ffa622f9c9c1451249fcf4"); | |
| const domainSeparator = await getDomainSeperator(42); | |
| const sigs = []; | |
| const reqs = []; | |
| for(let userAddressIndex = 0; userAddressIndex < userAddresses.length; userAddressIndex++) { | |
| let { data } = await contracts[userAddressIndex].populateTransaction.setQuote(`newQuote_${userAddresses[userAddressIndex]}`); | |
| let gasLimit = await ethersProvider.estimateGas({ | |
| to: ethers.utils.getAddress("0x5df74db6377bfd6d81ffa622f9c9c1451249fcf4"), | |
| from: userAddresses[userAddressIndex], | |
| data: data, | |
| }); | |
| let forwarderContract = new ethers.Contract( | |
| forwarder.address, | |
| forwarder.abi, | |
| biconomy.getSignerByAddress(userAddresses[userAddressIndex]) | |
| ); | |
| forwarderContracts.push(forwarderContract); | |
| const batchNonce = await forwarderContract.getNonce(userAddresses[userAddressIndex], 0); | |
| const batchId = 0; | |
| const gasLimitNum = Number(gasLimit.toNumber().toString()); | |
| const req = await buildForwardTxRequest({ | |
| account: (userAddresses[userAddressIndex]), | |
| to, | |
| gasLimitNum, | |
| batchId, | |
| batchNonce, | |
| data, | |
| }); | |
| reqs.push(req); | |
| const dataToSign = await getDataToSignForEIP712(req); | |
| console.log("signer", signer); | |
| const sig = await signer._signTypedData(dataToSign.domain, dataToSign.types, dataToSign.message); | |
| console.log("sig", sig); | |
| sigs.push(sig); | |
| console.log("sigs", sigs); | |
| } | |
| sendBatchedTransaction({ | |
| sigs, | |
| domainSeparator, | |
| reqs | |
| }, "EIP712_SIGN"); | |
| } catch(error) { | |
| console.log(error); | |
| } | |
| } | |
| const executeBatchedTransactionsPersonalSign = async () => { | |
| try { | |
| const sigs = []; | |
| const reqs = []; | |
| let forwarder = {address: "0x94Dc33585513129b4b30dAD7Ec2C53cD1F976f47", abi: [ { "inputs": [ { "internalType": "address", "name": "_owner", "type": "address" } ], "stateMutability": "nonpayable", "type": "constructor" }, { "anonymous": false, "inputs": [ { "indexed": true, "internalType": "bytes32", "name": "domainSeparator", "type": "bytes32" }, { "indexed": false, "internalType": "bytes", "name": "domainValue", "type": "bytes" } ], "name": "DomainRegistered", "type": "event" }, { "inputs": [ { "components": [ { "internalType": "address", "name": "from", "type": "address" }, { "internalType": "address", "name": "to", "type": "address" }, { "internalType": "address", "name": "token", "type": "address" }, { "internalType": "uint256", "name": "txGas", "type": "uint256" }, { "internalType": "uint256", "name": "tokenGasPrice", "type": "uint256" }, { "internalType": "uint256", "name": "batchId", "type": "uint256" }, { "internalType": "uint256", "name": "batchNonce", "type": "uint256" }, { "internalType": "uint256", "name": "deadline", "type": "uint256" }, { "internalType": "bytes", "name": "data", "type": "bytes" } ], "internalType": "struct ERC20ForwardRequestTypes.ERC20ForwardRequest[]", "name": "reqs", "type": "tuple[]" }, { "internalType": "bytes32", "name": "domainSeparator", "type": "bytes32" }, { "internalType": "bytes[]", "name": "sigs", "type": "bytes[]" } ], "name": "executeBatchEIP712", "outputs": [ { "internalType": "bytes[]", "name": "results", "type": "bytes[]" } ], "stateMutability": "nonpayable", "type": "function" }, { "inputs": [ { "components": [ { "internalType": "address", "name": "from", "type": "address" }, { "internalType": "address", "name": "to", "type": "address" }, { "internalType": "address", "name": "token", "type": "address" }, { "internalType": "uint256", "name": "txGas", "type": "uint256" }, { "internalType": "uint256", "name": "tokenGasPrice", "type": "uint256" }, { "internalType": "uint256", "name": "batchId", "type": "uint256" }, { "internalType": "uint256", "name": "batchNonce", "type": "uint256" }, { "internalType": "uint256", "name": "deadline", "type": "uint256" }, { "internalType": "bytes", "name": "data", "type": "bytes" } ], "internalType": "struct ERC20ForwardRequestTypes.ERC20ForwardRequest[]", "name": "reqs", "type": "tuple[]" }, { "internalType": "bytes[]", "name": "sigs", "type": "bytes[]" } ], "name": "executeBatchPersonalSign", "outputs": [ { "internalType": "bytes[]", "name": "results", "type": "bytes[]" } ], "stateMutability": "nonpayable", "type": "function" }, { "inputs": [ { "components": [ { "internalType": "address", "name": "from", "type": "address" }, { "internalType": "address", "name": "to", "type": "address" }, { "internalType": "address", "name": "token", "type": "address" }, { "internalType": "uint256", "name": "txGas", "type": "uint256" }, { "internalType": "uint256", "name": "tokenGasPrice", "type": "uint256" }, { "internalType": "uint256", "name": "batchId", "type": "uint256" }, { "internalType": "uint256", "name": "batchNonce", "type": "uint256" }, { "internalType": "uint256", "name": "deadline", "type": "uint256" }, { "internalType": "bytes", "name": "data", "type": "bytes" } ], "internalType": "struct ERC20ForwardRequestTypes.ERC20ForwardRequest", "name": "req", "type": "tuple" }, { "internalType": "bytes32", "name": "domainSeparator", "type": "bytes32" }, { "internalType": "bytes", "name": "sig", "type": "bytes" } ], "name": "executeEIP712", "outputs": [ { "internalType": "bool", "name": "success", "type": "bool" }, { "internalType": "bytes", "name": "ret", "type": "bytes" } ], "stateMutability": "nonpayable", "type": "function" }, { "anonymous": false, "inputs": [ { "indexed": true, "internalType": "address", "name": "previousOwner", "type": "address" }, { "indexed": true, "internalType": "address", "name": "newOwner", "type": "address" } ], "name": "OwnershipTransferred", "type": "event" }, { "inputs": [ { "internalType": "string", "name": "name", "type": "string" }, { "internalType": "string", "name": "version", "type": "string" } ], "name": "registerDomainSeparator", "outputs": [], "stateMutability": "nonpayable", "type": "function" }, { "inputs": [], "name": "renounceOwnership", "outputs": [], "stateMutability": "nonpayable", "type": "function" }, { "inputs": [ { "internalType": "address", "name": "newOwner", "type": "address" } ], "name": "transferOwnership", "outputs": [], "stateMutability": "nonpayable", "type": "function" }, { "inputs": [ { "internalType": "bytes32", "name": "", "type": "bytes32" } ], "name": "domains", "outputs": [ { "internalType": "bool", "name": "", "type": "bool" } ], "stateMutability": "view", "type": "function" }, { "inputs": [], "name": "EIP712_DOMAIN_TYPE", "outputs": [ { "internalType": "string", "name": "", "type": "string" } ], "stateMutability": "view", "type": "function" }, { "inputs": [ { "internalType": "address", "name": "from", "type": "address" }, { "internalType": "uint256", "name": "batchId", "type": "uint256" } ], "name": "getNonce", "outputs": [ { "internalType": "uint256", "name": "", "type": "uint256" } ], "stateMutability": "view", "type": "function" }, { "inputs": [], "name": "isOwner", "outputs": [ { "internalType": "bool", "name": "", "type": "bool" } ], "stateMutability": "view", "type": "function" }, { "inputs": [], "name": "owner", "outputs": [ { "internalType": "address", "name": "", "type": "address" } ], "stateMutability": "view", "type": "function" }, { "inputs": [], "name": "REQUEST_TYPEHASH", "outputs": [ { "internalType": "bytes32", "name": "", "type": "bytes32" } ], "stateMutability": "view", "type": "function" }, { "inputs": [ { "components": [ { "internalType": "address", "name": "from", "type": "address" }, { "internalType": "address", "name": "to", "type": "address" }, { "internalType": "address", "name": "token", "type": "address" }, { "internalType": "uint256", "name": "txGas", "type": "uint256" }, { "internalType": "uint256", "name": "tokenGasPrice", "type": "uint256" }, { "internalType": "uint256", "name": "batchId", "type": "uint256" }, { "internalType": "uint256", "name": "batchNonce", "type": "uint256" }, { "internalType": "uint256", "name": "deadline", "type": "uint256" }, { "internalType": "bytes", "name": "data", "type": "bytes" } ], "internalType": "struct ERC20ForwardRequestTypes.ERC20ForwardRequest", "name": "req", "type": "tuple" }, { "internalType": "bytes32", "name": "domainSeparator", "type": "bytes32" }, { "internalType": "bytes", "name": "sig", "type": "bytes" } ], "name": "verifyEIP712", "outputs": [], "stateMutability": "view", "type": "function" }, { "inputs": [ { "components": [ { "internalType": "address", "name": "from", "type": "address" }, { "internalType": "address", "name": "to", "type": "address" }, { "internalType": "address", "name": "token", "type": "address" }, { "internalType": "uint256", "name": "txGas", "type": "uint256" }, { "internalType": "uint256", "name": "tokenGasPrice", "type": "uint256" }, { "internalType": "uint256", "name": "batchId", "type": "uint256" }, { "internalType": "uint256", "name": "batchNonce", "type": "uint256" }, { "internalType": "uint256", "name": "deadline", "type": "uint256" }, { "internalType": "bytes", "name": "data", "type": "bytes" } ], "internalType": "struct ERC20ForwardRequestTypes.ERC20ForwardRequest", "name": "req", "type": "tuple" }, { "internalType": "bytes", "name": "sig", "type": "bytes" } ], "name": "verifyPersonalSign", "outputs": [], "stateMutability": "view", "type": "function" } ]}; | |
| const to = ethers.utils.getAddress("0x5df74db6377bfd6d81ffa622f9c9c1451249fcf4"); | |
| for(let userAddressIndex = 0; userAddressIndex < userAddresses.length; userAddressIndex++) { | |
| let { data } = await contracts[userAddressIndex].populateTransaction.setQuote(`newQuote_${userAddresses[userAddressIndex]}`); | |
| let gasPrice = await ethersProvider.getGasPrice(); | |
| let gasLimit = await ethersProvider.estimateGas({ | |
| to: config.contract.address, | |
| from: userAddresses[userAddressIndex], | |
| data: data, | |
| }); | |
| let forwarderContract = new ethers.Contract( | |
| forwarder.address, | |
| forwarder.abi, | |
| biconomy.getSignerByAddress(userAddresses[userAddressIndex]) | |
| ); | |
| const batchNonce = await forwarderContract.getNonce(userAddresses[userAddressIndex], userAddressIndex); | |
| const batchId = userAddressIndex; | |
| const gasLimitNum = Number(gasLimit.toNumber().toString()); | |
| const req = await buildForwardTxRequest({ | |
| account: userAddresses[userAddressIndex], | |
| to, | |
| gasLimitNum, | |
| batchId, | |
| batchNonce, | |
| data, | |
| }); | |
| req.push(req); | |
| const hashToSign = getDataToSignForPersonalSign(req); | |
| const sig = signer.signMessage(hashToSign); | |
| sigs.push(sig); | |
| } | |
| } catch (error) { | |
| console.log(error); | |
| } | |
| } | |
| const sendBatchedTransaction = async (batchedTransactionRequests, signatureType) => { | |
| try { | |
| /** | |
| * batchedTransactionRequest = [{userAddress, request, sig, domainSeparator, signatureType}] | |
| */ | |
| let sigs = batchedTransactionRequests.sigs; | |
| let requests = batchedTransactionRequests.reqs; | |
| let domainSeparator = batchedTransactionRequests.domainSeparator; | |
| console.log('Sending request to backend'); | |
| const headers = { | |
| "x-api-key": "yARl7lxj5.715a8264-060f-41c0-b588-146b42190e0c", | |
| "Content-Type": "application/json;charset=utf-8", | |
| } | |
| const data = JSON.stringify({ | |
| to: "0x5df74db6377bfd6d81ffa622f9c9c1451249fcf4", | |
| apiId: "f0567e06-5f36-4826-bff3-1b8809642d56", | |
| domainSeparator: domainSeparator, | |
| requests: requests, | |
| sigs: sigs, | |
| userAddresses: userAddresses, | |
| signatureType: signatureType | |
| }) | |
| axios.post('http://localhost:4000/api/v2/meta-tx/native-batch-transactions', data, { | |
| headers: headers | |
| }) | |
| .then((response) => { | |
| console.log('Response from backend') | |
| console.log(response); | |
| }) | |
| .catch((error) => { | |
| console.log(error); | |
| }) | |
| } catch (error) { | |
| console.log(error); | |
| } | |
| }; | |
| const buildForwardTxRequest = async ({account, to, gasLimitNum, batchId, batchNonce, data, deadline}) => { | |
| const req = { | |
| from: account, | |
| to: to, | |
| txGas: gasLimitNum, | |
| batchId: parseInt(batchId), | |
| batchNonce: parseInt(batchNonce), | |
| deadline: deadline || Math.floor(Date.now() / 1000 + 3600), | |
| data: data | |
| }; | |
| return req; | |
| }; | |
| const getDomainSeperator = async (networkId) => { | |
| const forwarderAddress = ethers.utils.getAddress("0x94Dc33585513129b4b30dAD7Ec2C53cD1F976f47"); | |
| let domainData = helperAttributes.biconomyForwarderDomainData; | |
| domainData.salt = ethers.utils.hexZeroPad((ethers.BigNumber.from(networkId)).toHexString(), 32); | |
| domainData.verifyingContract = forwarderAddress; | |
| const domainSeparator = ethers.utils.keccak256(ethers.utils.defaultAbiCoder.encode([ | |
| "bytes32", | |
| "bytes32", | |
| "bytes32", | |
| "address", | |
| "bytes32" | |
| ], [ | |
| ethers.utils.id("EIP712Domain(string name,string version,address verifyingContract,bytes32 salt)"), | |
| ethers.utils.id(domainData.name), | |
| ethers.utils.id(domainData.version), | |
| domainData.verifyingContract, | |
| domainData.salt, | |
| ])); | |
| return domainSeparator; | |
| }; | |
| const getDataToSignForEIP712 = async (request) => { | |
| const forwarderAddress = ethers.utils.getAddress("0x94Dc33585513129b4b30dAD7Ec2C53cD1F976f47"); | |
| let domainData = helperAttributes.biconomyForwarderDomainData; | |
| domainData.salt = ethers.utils.hexZeroPad((ethers.BigNumber.from(42)).toHexString(), 32); | |
| domainData.verifyingContract = forwarderAddress; | |
| const dataToSign = { | |
| types: { | |
| ERC20ForwardRequest: [ | |
| {name:'from',type:'address'}, | |
| {name:'to',type:'address'}, | |
| {name:'txGas',type:'uint256'}, | |
| {name:'batchId',type:'uint256'}, | |
| {name:'batchNonce',type:'uint256'}, | |
| {name:'deadline',type:'uint256'}, | |
| {name:'data',type:'bytes'} | |
| ] | |
| }, | |
| domain: { | |
| name : "Biconomy Forwarder", | |
| version : "1", | |
| salt: ethers.utils.hexZeroPad((ethers.BigNumber.from(42)).toHexString(), 32), | |
| verifyingContract: ethers.utils.getAddress("0x94Dc33585513129b4b30dAD7Ec2C53cD1F976f47") | |
| }, | |
| message: request | |
| }; | |
| return dataToSign; | |
| } | |
| const getDataToSignForPersonalSign = (request) => { | |
| const hashToSign = abi.soliditySHA3([ | |
| "address", | |
| "address", | |
| "uint256", | |
| "uint256", | |
| "uint256", | |
| "bytes32", | |
| ], [ | |
| request.from, | |
| request.to, | |
| request.txGas, | |
| request.batchId, | |
| request.batchNonce, | |
| ethers.utils.keccak256(request.data), | |
| ]); | |
| return hashToSign; | |
| } | |
| init() | |
| // executeBatchedTransactionsEIP712(); | |
| // executeBatchedTransactionsPersonalSign(); | |
| // excuteTransactionEIP712(); | |
| // executeTransactionPersonalSign(); |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment