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December 24, 2019 11:01
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Save RohanKapurDEV/790669eceef23103e1c00862db7ef0da to your computer and use it in GitHub Desktop.
A quick prototype to test if I can swap assets on kyber
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var data = require('./export_data'); | |
var Tx = require('ethereumjs-tx'); | |
var Web3 = require('Web3'); | |
var web3 = new Web3('PROVIDER_REMOVED_FOR_GIST'); | |
const account_1_PRIVATE_KEY = Buffer.from(data.account1_PRIV, 'hex'); | |
const ethereumAddress = '0xeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee'; | |
const kyberNetProxyAddress = '0x818E6FECD516Ecc3849DAf6845e3EC868087B755'; | |
const kyberNetProxyABI = [{"constant":false,"inputs":[{"name":"alerter","type":"address"}],"name":"removeAlerter","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"enabled","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"pendingAdmin","outputs":[{"name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"getOperators","outputs":[{"name":"","type":"address[]"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"src","type":"address"},{"name":"srcAmount","type":"uint256"},{"name":"dest","type":"address"},{"name":"destAddress","type":"address"},{"name":"maxDestAmount","type":"uint256"},{"name":"minConversionRate","type":"uint256"},{"name":"walletId","type":"address"},{"name":"hint","type":"bytes"}],"name":"tradeWithHint","outputs":[{"name":"","type":"uint256"}],"payable":true,"stateMutability":"payable","type":"function"},{"constant":false,"inputs":[{"name":"token","type":"address"},{"name":"srcAmount","type":"uint256"},{"name":"minConversionRate","type":"uint256"}],"name":"swapTokenToEther","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"token","type":"address"},{"name":"amount","type":"uint256"},{"name":"sendTo","type":"address"}],"name":"withdrawToken","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"maxGasPrice","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"newAlerter","type":"address"}],"name":"addAlerter","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"kyberNetworkContract","outputs":[{"name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[{"name":"user","type":"address"}],"name":"getUserCapInWei","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"src","type":"address"},{"name":"srcAmount","type":"uint256"},{"name":"dest","type":"address"},{"name":"minConversionRate","type":"uint256"}],"name":"swapTokenToToken","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"newAdmin","type":"address"}],"name":"transferAdmin","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[],"name":"claimAdmin","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"token","type":"address"},{"name":"minConversionRate","type":"uint256"}],"name":"swapEtherToToken","outputs":[{"name":"","type":"uint256"}],"payable":true,"stateMutability":"payable","type":"function"},{"constant":false,"inputs":[{"name":"newAdmin","type":"address"}],"name":"transferAdminQuickly","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"getAlerters","outputs":[{"name":"","type":"address[]"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[{"name":"src","type":"address"},{"name":"dest","type":"address"},{"name":"srcQty","type":"uint256"}],"name":"getExpectedRate","outputs":[{"name":"expectedRate","type":"uint256"},{"name":"slippageRate","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[{"name":"user","type":"address"},{"name":"token","type":"address"}],"name":"getUserCapInTokenWei","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"newOperator","type":"address"}],"name":"addOperator","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"_kyberNetworkContract","type":"address"}],"name":"setKyberNetworkContract","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"operator","type":"address"}],"name":"removeOperator","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[{"name":"field","type":"bytes32"}],"name":"info","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"src","type":"address"},{"name":"srcAmount","type":"uint256"},{"name":"dest","type":"address"},{"name":"destAddress","type":"address"},{"name":"maxDestAmount","type":"uint256"},{"name":"minConversionRate","type":"uint256"},{"name":"walletId","type":"address"}],"name":"trade","outputs":[{"name":"","type":"uint256"}],"payable":true,"stateMutability":"payable","type":"function"},{"constant":false,"inputs":[{"name":"amount","type":"uint256"},{"name":"sendTo","type":"address"}],"name":"withdrawEther","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[{"name":"token","type":"address"},{"name":"user","type":"address"}],"name":"getBalance","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"admin","outputs":[{"name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"inputs":[{"name":"_admin","type":"address"}],"payable":false,"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"name":"trader","type":"address"},{"indexed":false,"name":"src","type":"address"},{"indexed":false,"name":"dest","type":"address"},{"indexed":false,"name":"actualSrcAmount","type":"uint256"},{"indexed":false,"name":"actualDestAmount","type":"uint256"}],"name":"ExecuteTrade","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"name":"newNetworkContract","type":"address"},{"indexed":false,"name":"oldNetworkContract","type":"address"}],"name":"KyberNetworkSet","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"name":"token","type":"address"},{"indexed":false,"name":"amount","type":"uint256"},{"indexed":false,"name":"sendTo","type":"address"}],"name":"TokenWithdraw","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"name":"amount","type":"uint256"},{"indexed":false,"name":"sendTo","type":"address"}],"name":"EtherWithdraw","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"name":"pendingAdmin","type":"address"}],"name":"TransferAdminPending","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"name":"newAdmin","type":"address"},{"indexed":false,"name":"previousAdmin","type":"address"}],"name":"AdminClaimed","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"name":"newAlerter","type":"address"},{"indexed":false,"name":"isAdd","type":"bool"}],"name":"AlerterAdded","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"name":"newOperator","type":"address"},{"indexed":false,"name":"isAdd","type":"bool"}],"name":"OperatorAdded","type":"event"}]; | |
const batTokenAddress = '0xDb0040451F373949A4Be60dcd7b6B8D6E42658B6'; | |
var kyberNetworkProxyContract = new web3.eth.Contract(kyberNetProxyABI, kyberNetProxyAddress); | |
function executeTokenSwapFromETH(amount, destTokenAddress) { | |
const getExchangeRate = kyberNetworkProxyContract.methods.getExpectedRate(ethereumAddress, destTokenAddress, web3.utils.toWei('1', 'ether')); | |
const dataForTxObject = kyberNetworkProxyContract.methods.trade( | |
ethereumAddress, //ERC20 srcToken -- Field entered | |
web3.utils.toWei(amount, 'ether'), //uint srcAmount -- Field entered | |
destTokenAddress, //ERC20 destToken -- Field entered | |
data.account1, //address destAddress -- Field entered but needs to be hard-coded from export-data | |
web3.utils.BN(Math.pow(2, 255)), //uint maxDestAmount -- Field entered | |
2061100215235000000000 * (10 ** 18), //uint minConversionRate -- Field entered | |
0 //uint walletId -- Field left alone until transactions go through | |
).encodeABI(); | |
const txObject = { | |
from: data.account1, | |
to: kyberNetProxyAddress, | |
data: dataForTxObject, | |
} | |
const tx = new Tx(txObject); | |
tx.sign(account_1_PRIVATE_KEY); | |
const serializedTransaction = tx.serialize(); | |
const raw = '0x' + serializedTransaction.toString('hex'); | |
web3.eth.sendSignedTransaction(raw, (err, txHash) => { | |
if (txHash) {console.log(txHash)} | |
if (err) {console.log(err)} | |
}) | |
} |
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