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我正在通过参考其示例 OpenSea Creatures 来学习如何在 Node.js（可在此处找到）中使用 OpenSea SDK。SDK 链接到一个已有两年历史的分支，但我使用的是master 分支。

我正在尝试创建一个工厂，可以部署从中铸造代币的合同。出于测试目的，我让我的工厂部署 Creatures 合约，这是我的 Solidity 代码：

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

import "@openzeppelin/contracts/access/Ownable.sol";
import "./ERC721Tradable.sol";

contract NFTContractFactory is Ownable
{
    event ContractCreated(address addr);

    function createContract(string memory name, string memory symbol)
        public onlyOwner
    {
        Creature nc = new Creature(name, symbol, owner());
        nc.transferOwnership(msg.sender);
        emit ContractCreated(address(nc));
    }
}

contract Creature is ERC721Tradable {
    constructor(string memory _name, string memory _symbol, address _proxyRegistryAddress)
        ERC721Tradable(_name, _symbol, _proxyRegistryAddress)
    {}

    function baseTokenURI() override public pure returns (string memory) {
        return "https://creatures-api.opensea.io/api/creature/";
    }

    function contractURI() public pure returns (string memory) {
        return "https://creatures-api.opensea.io/contract/opensea-creatures";
    }
}

ERC721Tradable.sol可以在这里找到。我对Creature合同所做的唯一更改是将其名称和符号从工厂传递过来。

我在以下地址部署了这些合约的样本：

  • NFTContractFactory：0xbc2e680be967834a5f6fd72ac9e2b0251f28b2a8
  • 生物：0x5126c9f90a18c197dc8964ea477d63bcfbef97ab, 0xf9473fa26c4631dcd2ee1c7ad50e0c3545ff35a7,0x5c7f60d78774f81989b262da785daf7b6a2aed2b

这是我的测试脚本：

const Web3 = require('web3')
const OpenSea = require('opensea-js')
const OpenSeaPort = OpenSea.OpenSeaPort
const Network = OpenSea.Network

const MnemonicWalletSubprovider = require("@0x/subproviders").MnemonicWalletSubprovider;
const MNEMONIC = 'my metamask wallet mnemonic'
const BASE_DERIVATION_PATH = `44'/60'/0'/0`;
const mnemonicWalletSubprovider = new MnemonicWalletSubprovider({
  mnemonic: MNEMONIC,
  baseDerivationPath: BASE_DERIVATION_PATH,
});

const RPCSubprovider = require("web3-provider-engine/subproviders/rpc");
const alchemyRpcSubprovider = new RPCSubprovider("my alchemy rinkeby endpoint");

const Web3ProviderEngine = require("web3-provider-engine");
const providerEngine = new Web3ProviderEngine();
providerEngine.addProvider(mnemonicWalletSubprovider);
providerEngine.addProvider(alchemyRpcSubprovider);
providerEngine.start();

const seaport = new OpenSeaPort(
  providerEngine,
  {
    networkName: Network.Rinkeby,
    apiKey: ""
  },
  (arg) => console.log(arg)
);

async function main() {
  // Expire this auction one day from now. Note that we convert from the JavaScript timestamp (milliseconds):
  const expirationTime = Math.round(Date.now() / 1000 + 60 * 60 * 24)

  const assetPromise = seaport.api.getAsset({
    tokenAddress: '0xf9473fa26c4631dcd2ee1c7ad50e0c3545ff35a7',
    tokenId: '1',
  })
  assetPromise.then(asset => {
    console.log(asset);
    const sellOrderPromise = seaport.createSellOrder({
      asset,
      accountAddress: 'my address',
      startAmount: 3,
      // If `endAmount` is specified, the order will decline in value to that amount until `expirationTime`. Otherwise, it's a fixed-price order:
      endAmount: 0.1,
      expirationTime
    });
    sellOrderPromise.then(order => console.log(order)).catch(error => console.log(error));
  });
}

main()

不幸的是，我的测试输出仅包含该行的令牌信息console.log(asset);；我什至没有看到最终订单或任何错误，也没有看到我的列表正在创建。我不知道如何解决这个问题，所以如果有人能从这里指出我正确的方向，我将非常感激。

Edit1：添加.catch(error => console.log(error));以捕获任何错误，但仍然没有！

Edit2：似乎我不是唯一一个无声失败的人？问题在这里

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