An enterprise-grade Java-based, Apache 2.0 licensed Ethereum client https://wiki.hyperledger.org/display/besu
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besu/docs/Using-Pantheon/Transactions/scripts/create_value_raw_transactio...

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const Web3 = require('web3')
const ethTx = require('ethereumjs-tx')
const readline = require('readline');
async function askQuestion(query) {
const rl = readline.createInterface({
input: process.stdin,
output: process.stdout,
});
return new Promise(resolve => rl.question(query, ans => {
rl.close();
resolve(ans);
}))
}
const args = process.argv.slice(2);
// web3 initialization - must point to the HTTP JSON-RPC endpoint
var provider = args[0] || 'http://localhost:8545';
console.log("******************************************");
console.log("Using provider : " + provider);
console.log("******************************************");
var web3 = new Web3(new Web3.providers.HttpProvider(provider))
web3.transactionConfirmationBlocks = 1;
// Sender address and private key
// Second acccount in dev.json genesis file
// Exclude 0x at the beginning of the private key
const addressFrom = '0x627306090abaB3A6e1400e9345bC60c78a8BEf57'
const privKey = Buffer.from('c87509a1c067bbde78beb793e6fa76530b6382a4c0241e5e4a9ec0a0f44dc0d3', 'hex')
// Receiver address and value to transfer
// Third account in dev.json genesis file
const addressTo = '0xf17f52151EbEF6C7334FAD080c5704D77216b732'
const valueInEther = 2
// Get the address transaction count in order to specify the correct nonce
web3.eth.getTransactionCount(addressFrom, "pending").then((txnCount) => {
// Create the transaction object
var txObject = {
nonce: web3.utils.numberToHex(txnCount),
gasPrice: web3.utils.numberToHex(1000),
gasLimit: web3.utils.numberToHex(21000),
to: addressTo,
value: web3.utils.numberToHex(web3.utils.toWei(valueInEther.toString(), 'ether'))
};
// Sign the transaction with the private key
var tx = new ethTx(txObject);
tx.sign(privKey)
//Convert to raw transaction string
var serializedTx = tx.serialize();
var rawTxHex = '0x' + serializedTx.toString('hex');
// log raw transaction data to the console so you can send it manually
console.log("Raw transaction data: " + rawTxHex);
// but also ask you if you want to send this transaction directly using web3
(async() => {
const ans = await askQuestion("******************************************\n\
Do you want to send the signed value transaction now ? (Y/N):");
if("y" == ans || "Y" == ans){
// Send the signed transaction using web3
web3.eth.sendSignedTransaction(rawTxHex)
.on('receipt', receipt => { console.log('Receipt: ', receipt); })
.catch(error => { console.log('Error: ', error.message); });
console.log("******************************************");
console.log("Value transaction sent, waiting for receipt.");
console.log("******************************************");
}else{
console.log("******************************************");
console.log("You can for instance send this transaction manually with the following command:");
console.log("curl -X POST --data '{\"jsonrpc\":\"2.0\",\"method\":\"eth_sendRawTransaction\",\"params\":[\"" + rawTxHex + "\"],\"id\":1}'", provider);
}
})();
})
.catch(error => { console.log('Error: ', error.message); });