test in3 erc20

test.js

const In3Client = require('in3').default

// use the In3Client
const in3 = new In3Client({
    proof: 'standard',
    signatureCount: 1,
    chainId: 'mainnet',
    replaceLatestBlock: 10
})

const myTokenContract = '0xdac17f958d2ee523a2206206994597c13d831ec7'
const myAccount = '0x5754284f345afc66a98fbb0a0afe71e0f007b949'

// use the api to call a funnction..
in3.eth.callFn(myTokenContract, 'balanceOf(address):uint', myAccount).then(_=>console.log('balance:',_.toString()), console.error)