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Sends a raw transaction with web3 v1.2.2, ethereumjs-tx v2.1.1, and Infura
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const Web3 = require('web3') | |
const Tx = require('ethereumjs-tx').Transaction | |
// connect to Infura node | |
const web3 = new Web3(new Web3.providers.HttpProvider('https://mainnet.infura.io/INFURA_KEY')) | |
// the address that will send the test transaction | |
const addressFrom = '0x1889EF49cDBaad420EB4D6f04066CA4093088Bbd' | |
const privateKey = new Buffer('PRIVATE_KEY', 'hex') | |
// the destination address | |
const addressTo = '0x1463500476a3ADDa33ef1dF530063fE126203186' | |
// construct the transaction data | |
// NOTE: property 'nonce' must be merged in from web3.eth.getTransactionCount | |
// before the transaction data is passed to new Tx(); see sendRawTransaction below. | |
const txData = { | |
gasLimit: web3.utils.toHex(25000), | |
gasPrice: web3.utils.toHex(10e9), // 10 Gwei | |
to: addressTo, | |
from: addressFrom, | |
value: web3.utils.toHex(web3.utils.toWei('123', 'wei')) // thanks @abel30567 | |
// if you want to send raw data (e.g. contract execution) rather than sending tokens, | |
// use 'data' instead of 'value' (thanks @AlecZadikian9001) | |
// e.g. myContract.methods.myMethod(123).encodeABI() (thanks @NguyenHoangSon96) | |
} | |
/** Signs the given transaction data and sends it. Abstracts some of the details of | |
* buffering and serializing the transaction for web3. | |
* @returns A promise of an object that emits events: transactionHash, receipt, confirmaton, error | |
*/ | |
const sendRawTransaction = txData => | |
// get the number of transactions sent so far so we can create a fresh nonce | |
web3.eth.getTransactionCount(addressFrom).then(txCount => { | |
const newNonce = web3.utils.toHex(txCount) | |
const transaction = new Tx({ ...txData, nonce: newNonce }, { chain: 'mainnet' }) // or 'rinkeby' | |
transaction.sign(privateKey) | |
const serializedTx = transaction.serialize().toString('hex') | |
return web3.eth.sendSignedTransaction('0x' + serializedTx) | |
}) | |
// fire away! | |
// (thanks @AndreiD) | |
sendRawTransaction(txData).then(result => | |
result | |
.on('transactionHash', txHash => { | |
console.log('transactionHash:', txHash) | |
}) | |
.on('receipt', receipt => { | |
console.log('receipt:', receipt) | |
}) | |
.on('confirmation', (confirmationNumber, receipt) => { | |
if (confirmationNumber >= 1) { | |
console.log('confirmations:', confirmationNumber, receipt) | |
} | |
}) | |
.on('error:', error => { | |
console.error(error) | |
}) | |
) |
@acidic9 I think you forget to encode the data like so transactionData.encodeABI()
Thanks guys. I think the issue was just that my gas limit was too low :/
I get the following error when trying to send a transaction over the kovan test network
error Error: Returned error: Invalid chain id.
at Object.ErrorResponse (/Users/laurenswissels/node_modules/web3-core-helpers/lib/errors.js:28:19)
at /Users/laurenswissels/node_modules/web3-core-requestmanager/lib/index.js:288:36
at XMLHttpRequest.request.onreadystatechange (/Users/laurenswissels/node_modules/web3-providers-http/lib/index.js:98:13)
at XMLHttpRequestEventTarget.dispatchEvent (/Users/laurenswissels/node_modules/xhr2-cookies/xml-http-request-event-target.ts:44:13)
at XMLHttpRequest._setReadyState (/Users/laurenswissels/node_modules/xhr2-cookies/xml-http-request.ts:219:8)
at XMLHttpRequest._onHttpResponseEnd (/Users/laurenswissels/node_modules/xhr2-cookies/xml-http-request.ts:345:8)
at IncomingMessage.<anonymous> (/Users/laurenswissels/node_modules/xhr2-cookies/xml-http-request.ts:311:39)
at IncomingMessage.emit (events.js:327:22)
at endReadableNT (_stream_readable.js:1220:12)
at processTicksAndRejections (internal/process/task_queues.js:84:21) {
data: null
}
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@acidic9 It's probably an error in
smartContractAddressTreasury
. Either it is a bug, or you may be passing the wrong data or in the wrong format.