Question

当我运行以下代码时，它准确地获取了两个地址的代币余额，交易甚至通过了（我可以在测试网上看到），尽管没有发送代币。

我尝试了很多方法，包括用这个替换签名的交易部分：

await contract.methods.transfer(toAddress, 100000).send({
  from: fromAddress
});

但由于 unknown account 错误而失败。

我的代币发送代码：

const Web3 = require("web3");
const { hdkey } = require("ethereumjs-wallet");
const bip39 = require("bip39");
const token = require("./token.json");

const mnemonic = "12 word phrase";
const provider = "https://apis.ankr.com/.../binance/full/test";

(async() => {
    try {
        const seed = await bip39.mnemonicToSeed(mnemonic);
        const root = hdkey.fromMasterSeed(seed);
        const web3 = new Web3(provider);
        const addrNode = root.derivePath(`m/44'/60'/0'/0/0`);
        const wallet = addrNode.getWallet();
        // #0 in the hdwallet, the owner of the tokens
        const fromAddress = wallet.getAddressString();
        // #1 in the hdwallet, already has a token balance
        const toAddress = "0x...";

        const contract = new web3.eth.Contract(token.abi, token.contract_address);

        let fromAddressBalance = await contract.methods.balanceOf(fromAddress).call();
        let toAddressBalance = await contract.methods.balanceOf(toAddress).call();

        console.log(`Pre Transaction: Sender: ${fromAddressBalance} TOKENS / Wallet: ${toAddressBalance} TOKENS`);

        // token has 3 decimal places, this is 100.000
        const encodedABI = contract.methods.transfer(toAddress, 100000).encodeABI();
        const tx = {
            from: fromAddress,
            to: toAddress,
            gas: 2000000,
            value: 0x0,
            data: encodedABI
          }; 
        const signed = await web3.eth.accounts.signTransaction(tx, wallet.privateKey.toString("hex"));
        const trans = await web3.eth.sendSignedTransaction(signed.rawTransaction);

        fromAddressBalance = await contract.methods.balanceOf(fromAddress).call();
        toAddressBalance = await contract.methods.balanceOf(toAddress).call();
    
        console.log(`Post Transaction: Sender: ${fromAddressBalance} TOKENS / Wallet: ${toAddressBalance} TOKENS`);
    } catch (err) {
        console.error(err.stack);
    }
    process.exit();
})();

Answer 1

有一些问题一旦修复就解决了我的问题。我还没有回过头来测试哪个做了，或者如果所有都需要，但想把它留给未来的探索者。

我使用 ethereum-js-wallet 创建了一个钱包，然后将它与 web3 一起使用。你必须让 web3 知道钱包。

        const account = web3.eth.accounts.privateKeyToAccount(privateKey);
        web3.eth.accounts.wallet.create();
        web3.eth.accounts.wallet.add(account);

私钥地址需要以 0x 开头。资料来源：https://web3js.readthedocs.io/en/v1.3.4/web3-eth-accounts.html#privatekeytoaccount

const privateKey = `0x${wallet.privateKey.toString("hex")}`;

这最终无关紧要，也不是正确的转移方式，但仍然是一个很好的注意事项，我将签署的交易发送给第 3 方，而不是合同，发送交易的正确方式应该是

        const tx = {
            from: fromAddress,
            to: token.contract_address,
            gas: 2000000,
            value: 0x0,
            data: encodedABI
          };

最终，我需要利用合同的转移方法而不是签署/发送交易

        const result = await contract.methods.transfer(toAddress, 100).send({
            from: fromAddress,
            gas: 2000000
        });

发送 ERC-20 代币失败。交易成功，但没有发送令牌

1 个答案: