通过 JS API 在 OpenSea 上列出 NFT：无法提取传输调用数据错误 400

问题描述

我正在尝试使用 https://mocki.io/v1/be3cb19b-bd49-4a82-b19b-44b859e19d5d 来自动列出要出售的 NFT。我似乎无法弄清楚为什么我一直收到错误 Error: API Error 400: ['Failed to extract transfer calldata']。也许我没有正确输入一些数据？我的代码改编自 OpenSea JavaScript API。

来源

const opensea = require("opensea-js");
const OpenSeaPort = opensea.OpenSeaPort;
const Network = opensea.Network;
const MnemonicWalletSubprovider = require("@0x/subproviders")
  .MnemonicWalletSubprovider;
const RPCSubprovider = require("web3-provider-engine/subproviders/rpc");
const Web3ProviderEngine = require("web3-provider-engine");

const MNEMONIC = "SECRET ...";
const NODE_API_KEY = "FROM INFURA";
const isInfura = true;
//const FACTORY_CONTRACT_ADDRESS = process.env.FACTORY_CONTRACT_ADDRESS;
const NFT_CONTRACT_ADDRESS = "0x495f947276749Ce646f68AC8c248420045cb7b5e";
const OWNER_ADDRESS = "0x3eb8eea9565418281f4cae934dd69e7ff2bb5949";
const NETWORK = "mainnet";
const API_KEY = process.env.API_KEY || ""; // API key is optional but useful if you're doing a high volume of requests.

const BASE_DERIVATION_PATH = `44'/60'/0'/0`;

const mnemonicWalletSubprovider = new MnemonicWalletSubprovider({
  mnemonic: MNEMONIC,baseDerivationPath: BASE_DERIVATION_PATH,});
const network =
  NETWORK === "mainnet" || NETWORK === "live" ? "mainnet" : "rinkeby";
const infuraRpcSubprovider = new RPCSubprovider({
  rpcUrl: isInfura
    ? "https://" + network + ".infura.io/v3/" + NODE_API_KEY
    : "https://eth-" + network + ".alchemyapi.io/v2/" + NODE_API_KEY,});

const providerEngine = new Web3ProviderEngine();
providerEngine.addProvider(mnemonicWalletSubprovider);
providerEngine.addProvider(infuraRpcSubprovider);
providerEngine.start();

const seaport = new OpenSeaPort(
  providerEngine,{
    networkName:
      NETWORK === "mainnet" || NETWORK === "live"
        ? Network.Main
        : Network.Rinkeby,apiKey: API_KEY,},(arg) => console.log(arg)
);

exports.helloWorld = async (req,res) => {
  // Example: simple fixed-price sale of an item owned by a user.
  console.log("Auctioning an item for a fixed price...");

  try {
    const fixedPriceSellOrder = await seaport.createSellOrder({
      asset: {
        tokenId: "28370143653034713195993216915191765879963367987017833025925208213530804748289",tokenAddress: NFT_CONTRACT_ADDRESS,startAmount: 0.1,expirationTime: 0,accountAddress: OWNER_ADDRESS,});
    console.log(
      `Successfully created a fixed-price sell order! ${fixedPriceSellOrder.asset.openseaLink}\n`
    );
  }
  catch (error) {
    console.log("ERROR",error);
  }

};

完整日志

this example

我从哪里获得数据

解决方法

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