const { TronWeb } = require('tronweb');

// 1. 读取命令行参数
const privateKey = process.argv[2];
const toAddress = process.argv[3];
const contractAddress = process.argv[4];
const fullNodeUrl = process.argv[5] || 'https://api.trongrid.io'; // 默认主网
const amount = parseFloat(process.argv[6]); // 默认转1个USDT

// 2. 初始化 TronWeb 实例
const tronWeb = new TronWeb({
    fullHost: fullNodeUrl,
});

// 3. 金额（转换为 USDT 单位）
const usdtAmount = amount * 1e6;

async function sendTRC20() {
    try {
        const contract = await tronWeb.contract().at(contractAddress);
        const tx = await contract.methods.transfer(toAddress, usdtAmount).send({
            feeLimit: 10_000_000,
        }, privateKey);

        console.log(JSON.stringify({ success: true, txid: tx }));
    } catch (err) {
        console.error(JSON.stringify({ success: false, error: err.message }));
    }
}

sendTRC20();