balances-multicall

Simple contract to get token balances in one single call. The contract is created using CREATE2 in order to have the same address on all chains.

 

Addresses

Factory: 0xB10CeCcBe00572deE94cF0514581d3695A8Cd596
BalanceChecker: 0x07c7BBC98a251C85f1dD7958BA4786dc5eacF24d

 

Available Chains

• Ethereum
• Binance Smart Chain
• Polygon
• Fantom
• Avalance C-Chain

 

---

 

🚀 How to use it

const web3 = new Web3(provider)
const contract = new web3.eth.Contract(
[
    {
    inputs: [
        {
        internalType: 'address[]',
        name: '_users',
        type: 'address[]'
        },
        {
        internalType: 'address[]',
        name: '_tokens',
        type: 'address[]'
        }
    ],
    name: 'balances',
    outputs: [
        {
        internalType: 'uint256[]',
        name: '',
        type: 'uint256[]'
        }
    ],
    stateMutability: 'view',
    type: 'function'
    }
],
'0x07c7BBC98a251C85f1dD7958BA4786dc5eacF24d'
)
const balances = await contract.methods.balances(_addresses, _tokens).call()

 

---

 

✅ Publish & Verify

Create an .env file with the following fields:

MAINNET_PRIVATE_KEY=
ROPSTEN_PRIVATE_KEY=
ROSPTENT_NODE=
ETH_MAINNET_NODE=
ETHERSCAN_API_KEY=
BSC_MAINNET_NODE=
BSC_MAINNET_PRIVATE_KEY=
POLYGON_MAINNET_NODE=
POLYGON_MAINNET_PRIVATE_KEY=
FANTOM_MAINNET_NODE=
FANTOM_MAINNET_PRIVATE_KEY=
AVALANCHEC_MAINNET_NODE=
AVALANCHEC_MAINNET_PRIVATE_KEY=

publish

❍ npx hardhat run --network mainnet scripts/deploy-script.js

verify

❍ npx hardhat verify --network mainnet DEPLOYED_CONTRACT_ADDRESS "Constructor argument 1"