Make multiple Ethereum network requests in a single HTTP query. multicall for ethers v5.
yarn
yarn build
yarn test
Set your NPM auth token in .npmrc, then run:
npm publish
-
Contract(address, abi): Create contract instance; callingcontract.callFuncNamewill yield acallobject -
all(calls): Execute all calls in a single request -
calls: List of helper call methods -
getEthBalance(address): Returns account ether balance
import { Contract, Provider } from 'ethers-multicall';
import { ethers } from 'ethers';
import erc20Abi from './abi/erc20.json';
const infuraKey = 'INSERT_YOUR_KEY_HERE';
const provider = new ethers.providers.InfuraProvider('mainnet', infuraKey);
const daiAddress = '0x6b175474e89094c44da98b954eedeac495271d0f';
async function call() {
const ethcallProvider = new Provider(provider);
await ethcallProvider.init(); // Only required when `chainId` is not provided in the `Provider` constructor
const daiContract = new Contract(daiAddress, erc20Abi);
const uniswapDaiPool = '0x2a1530c4c41db0b0b2bb646cb5eb1a67b7158667';
const ethBalanceCall = ethcallProvider.getEthBalance(uniswapDaiPool);
const daiBalanceCall = daiContract.balanceOf(uniswapDaiPool);
const [ethBalance, daiBalance] = await ethcallProvider.all([ethBalanceCall, daiBalanceCall]);
console.log('ETH Balance:', ethBalance.toString());
console.log('DAI Balance:', daiBalance.toString());
}
call();