'JSON File': (input, password) => {
let wallet
try {
wallet = importers.fromEtherWallet(input, password)
} catch (e) {
console.log('Attempt to import as EtherWallet format failed, trying V3...')
}
if (!wallet) {
wallet = Wallet.fromV3(input, password, true)
}
return walletToPrivateKey(wallet)
},
Prompt.get(schema, function(err, result) {
var strJson = fs.readFileSync(result.walletFilename, 'utf8');
var wallet = Wallet.fromV3(strJson, result.password);
var abi = JSON.parse(Contract.abi);
var instance = new web3.eth.Contract(abi, Contract.address);
var encodedCall = instance.methods.setValue(result.newValue).encodeABI();
var nonce, gasPrice;
web3.eth.getTransactionCount(wallet.getChecksumAddressString())
.then((numberOfTxs) => {
nonce = numberOfTxs;
return web3.eth.getGasPrice();
})
.then((price) => {
gasPrice = web3.utils.toBN(price);
var gasLimit = 200000;
var txParams = {
nonce: '0x' + nonce.toString(16),
gasPrice: '0x' + gasPrice.toString(16),
gasLimit: '0x' + gasLimit.toString(16),
data: encodedCall,
to: Contract.address
};
var tx = new EthereumTx(txParams);
tx.sign(wallet.getPrivateKey());
var strTx = '0x' + tx.serialize().toString('hex'); // PAY CLOSE ATENTION TO THE '0x'!!!!!
web3.eth.sendSignedTransaction(strTx)
.once('transactionHash', function(txid) {
console.log(colors.green('\n\ttxid: ' + txid + '\n'));
})
.catch((ex) => {
console.log(ex);
})
})
.catch((ex) => {
console.log(ex);
})
});
Prompt.get(schema, function(err, result) {
var strJson = fs.readFileSync(result.walletFilename, 'utf8');
var wallet = Wallet.fromV3(strJson, result.password);
var nonce, gasPrice;
var value = web3.utils.toBN(web3.utils.toWei(result.amount, 'ether'));
web3.eth.getTransactionCount(wallet.getChecksumAddressString())
.then((numberOfTxs) => {
nonce = numberOfTxs;
return web3.eth.getGasPrice();
})
.then((price) => {
gasPrice = web3.utils.toBN(price);
var gasLimit = 60000;
var txParams = {
nonce: '0x' + nonce.toString(16),
gasPrice: '0x' + gasPrice.toString(16),
gasLimit: '0x' + gasLimit.toString(16),
to: result.address,
value: '0x' + value.toString(16),
};
var tx = new EthereumTx(txParams);
tx.sign(wallet.getPrivateKey());
var strTx = '0x' + tx.serialize().toString('hex'); // PAY CLOSE ATENTION TO THE '0x'!!!!!
web3.eth.sendSignedTransaction(strTx)
.once('transactionHash', function(txid) {
console.log(colors.green('\n\ttxid: ' + txid + '\n'));
})
.catch((ex) => {
console.log(ex);
})
})
});
const config = require('config')
const Wallet = require('ethereumjs-wallet')
const Web3pool = require('./web3pool')
const utils = require('./utils')
const web3p = new Web3pool(config.get('providers'))
const web3 = web3p.web3
const wallet = Wallet.fromV3(config.get('wallet'), config.get('password'))
const walletAddress = wallet.getAddressString()
const initialNonce = web3.eth.getTransactionCount(walletAddress)
const totalTxs = config.get('n')
const blockTimeout = config.get('blockTimeout')
const transactions = []
console.log('Current block number:', web3.eth.blockNumber)
console.log(`Will send ${totalTxs} transactions and wait for ${blockTimeout} blocks`)
let privKey = wallet.getPrivateKey()
let dest = config.get('address')
let gasPrice = web3.eth.gasPrice
let cost = utils.calculateTransactionsPrice(gasPrice, totalTxs)
let balance = web3.eth.getBalance(walletAddress)
if (cost.comparedTo(balance) > 0) {
let error = `You don't have enough money to make ${totalTxs} transactions, ` +
`it needs ${cost} wei, but you have ${balance}`
throw new Error(error)
}