Get TRC20 balance and transfer USDT tokens

trc20.js

const TronWeb = require('tronweb');
const HttpProvider = TronWeb.providers.HttpProvider;
const fullNode = new HttpProvider("https://api.trongrid.io");
// const fullNode = new HttpProvider("http://192.168.1.162:8090");
const solidityNode = new HttpProvider("https://api.trongrid.io");
const eventServer = new HttpProvider("https://api.trongrid.io");
const privateKey = "3481E79956D4BD95F358AC96D151C976392FC4E3FC132F78A847906DE588C145";
const tronWeb = new TronWeb(fullNode, solidityNode, eventServer, privateKey);


const CONTRACT = "TR7NHqjeKQxGTCi8q8ZY4pL8otSzgjLj6t";

const ACCOUNT = "TEQH6py1Pi8YHNgi9cPMHCKLboBTUZrsYT";

async function main() {
    const {
        abi
    } = await tronWeb.trx.getContract(CONTRACT);
    // console.log(JSON.stringify(abi));

    const contract = tronWeb.contract(abi.entrys, CONTRACT);

    const balance = await contract.methods.balanceOf(ACCOUNT).call();
    console.log("balance:", balance.toString());

    const resp = await contract.methods.transfer(ACCOUNT, 1000).send();
    console.log("transfer:", resp);
}

main().then(() => {
        console.log("ok");
    })
    .catch((err) => {
        console.log("error:", err);
    });