DexAggregatorTest.js

var Web3 = require('web3');
const BigNumber = require('bignumber.js');

const oneSplitABI = require('./abis/onesplit.json');
const onesplitAddress = "0xC586BeF4a0992C495Cf22e1aeEE4E446CECDee0E"; // 1plit contract address on Main net

const fromToken = '0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE'; // ETHEREUM
const fromTokenDecimals = 18;

const toToken = '0x6b175474e89094c44da98b954eedeac495271d0f'; // DAI Token
const toTokenDecimals = 18;

const amountToExchange = 1

const web3 = new Web3('http://127.0.0.1:8545');

const onesplitContract = new web3.eth.Contract(oneSplitABI, onesplitAddress);

const oneSplitDexes = [
    "Uniswap",
    "Kyber",
    "Bancor",
    "Oasis",
    "CurveCompound",
    "CurveUsdt",
    "CurveY",
    "Binance",
    "Synthetix",
    "UniswapCompound",
    "UniswapChai",
    "UniswapAave"
]


onesplitContract.methods.getExpectedReturn(fromToken, toToken, new BigNumber(amountToExchange).shiftedBy(fromTokenDecimals).toString(), 100, 0).call({ from: '0x9759A6Ac90977b93B58547b4A71c78317f391A28' }, function (error, result) {
    if (error) {
        console.log(error)
        return;
    }
    console.log("Trade From: " + fromToken)
    console.log("Trade To: " + toToken);
    console.log("Trade Amount: " + amountToExchange);
    console.log(new BigNumber(result.returnAmount).shiftedBy(-fromTokenDecimals).toString());
    console.log("Using Dexes:");
    for (let index = 0; index < result.distribution.length; index++) {
        console.log(oneSplitDexes[index] + ": " + result.distribution[index] + "%");
    }
});