[英]Listing NFT on OpenSea via JS API: Failed to extract transfer calldata Error 400
I am trying to use the OpenSea JavaScript API in order to list NFTs for sale automatically.我正在尝试使用OpenSea JavaScript API来自动列出要出售的 NFT。 I can't seem to figure out why I keep getting the error
Error: API Error 400: ['Failed to extract transfer calldata']
.我似乎无法弄清楚为什么我不断收到错误
Error: API Error 400: ['Failed to extract transfer calldata']
。 Perhaps I have not entered some data correctly?也许我没有正确输入一些数据? My code is adapted from this example .
我的代码改编自这个例子。
SOURCE资源
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);
}
};
FULL LOGS完整日志
WHERE I GOT DATA我从哪里得到数据
What is your Token Standard?你的代币标准是什么?
If it is not ERC721, you need to specify it as your schemaName
inside the asset object, like this:如果不是 ERC721,则需要在资产 object 中将其指定为
schemaName
,如下所示:
const fixedPriceSellOrder = await seaport.createSellOrder({
asset: {
tokenId: "28370143653034713195993216915191765879963367987017833025925208213530804748289",
tokenAddress: NFT_CONTRACT_ADDRESS,
schemaName: "ERC1155"
},
startAmount: 0.1,
expirationTime: 0,
accountAddress: OWNER_ADDRESS,
});
You can find Token Standard in Details tab, on Opensea asset page:您可以在 Opensea 资产页面的 Details 选项卡中找到 Token Standard:
Remove the dash and you're good.删除破折号,你很好。
ERC1155
was fine for me. ERC1155
对我来说很好。
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