为部署在 RinkeBy 测试网上的智能合约执行 ERC20 代币“传输函数”的原始交易答案

【问题标题】：Execute raw transaction for ERC20 token 'transfer function' for smart contracts deployed on RinkeBy Testnet为部署在 RinkeBy 测试网上的智能合约执行 ERC20 代币“传输函数”的原始交易
【发布时间】：2021-10-02 01:44:02
【问题描述】：

我正在尝试使用 ERC20 转账功能将余额从合约部署者地址转移到另一个地址。

对于本地 Ganache 网络从部署者地址传输很简单

await contract.transfer(receiverAddress, amount);

由于 Rinkeby 测试网不允许使用方法 'eth_sendTransaction' 并给出错误，因此我尝试创建如下所示的原始交易。执行以下编写的代码时没有收到错误，但接收者的余额也没有变化。

const result = {};
const contract = new web3.eth.Contract(token_artifact.abi, config.contractAddress);
const count = await web3.eth.getTransactionCount(config.deployerAddress);

const nonce = web3.utils.toHex(count);
const gasLimit = web3.utils.toHex(90000);
const gasPrice = web3.utils.toHex(web3.eth.gasPrice || web3.utils.toHex(2 * 1e9));
const value = web3.utils.toHex(web3.utils.toWei('0', 'wei'));
const data = contract.methods.transfer(receiver, amount).encodeABI();

const txData = {
      nonce,
      gasLimit,
      gasPrice,
      value,
      data,
      from: config.deployerAddress,
      to: receiver
     };

web3.eth.accounts.wallet.add(config.deployerPrivateKey);
const sentTx = await web3.eth.sendTransaction(txData);
result['receipt'] = sentTx;

来自 Rinkeby 测试网的响应：

{
    "receipt": {
        "blockHash": "0xcb259fa6c63153f08b51153cf9f575342d7dd0b9c091c34da0af5d204d1aff14",
        "blockNumber": 8985823,
        "contractAddress": null,
        "cumulativeGasUsed": 21572,
        "effectiveGasPrice": "0x77359400",
        "from": "0x6d10f3f1d65fadcd1b6cb15e28f98bcfb0f4e9e5",
        "gasUsed": 21572,
        "logs": [],
        "logsBloom": "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
        "status": true,
        "to": "0xbc0422d1b7e2f7ad4090acb6896779c56b3af331",
        "transactionHash": "0xdd86d849769e87fef0fd99f2034a5d32821c0dc565c900a5ed1274edbd956b41",
        "transactionIndex": 0,
        "type": "0x0"
    }
}

[注意：我可以检查给定地址的总供应量和余额。]

let data = {};
const contract = require('@truffle/contract');
const Token = contract(token_artifact);
Token.setProvider(web3.currentProvider);

const instance = await Token.at(config.contractAddress);

const result = await Promise.all([instance.totalSupply(), instance.balanceOf(address)]);
data['totalSupply'] = result[0].toNumber();
data['balanceOf'] = result[1].toNumber();

resolve(data);

【问题讨论】：

标签： web3 erc20

【解决方案1】：

在转移代币时，您需要与合约交互（即向合约发送交易）。不直接使用令牌接收器。

所以需要将交易的to字段改为合约地址。

// this field says that you want to transfer tokens to the `receiver`
const data = contract.methods.transfer(receiver, amount).encodeABI();

const txData = {
      nonce,
      gasLimit,
      gasPrice,
      value,
      data, // containing info that you want to `transfer()` to the `receiver`
      from: config.deployerAddress, // send transaction from your address
      to: config.contractAddress // CHANGED; send transaction to the contract address
};

【讨论】：