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blockchain - provider的使用(json rpc ) JsonRpcProvider failed to startup; retry in 1s

发布时间: 2024-03-26 07:22:00

refer to:
https://stackoverflow.com/questions/72986080/how-to-connect-to-custom-provider-using-ethers

https://ethereum.stackexchange.com/questions/144451/typeerror-cannot-read-properties-of-undefined-reading-jsonrpcprovider

https://github.com/ethers-io/ethers.js/discussions/3842

const { ethers, JsonRpcProvider } = require("ethers");
//const {Web3 }= require("web3");

async function bytecodeToAbi(bytecode) {
  try {

    const address = "0x2462EE3624d7C8678865E4b248930325d65697bF";
    const providerUrl = "http://35.89.151.219:8000/7eb0d1b4-551c-4e7e-94a3-433d9658c11c";
    // 注意这里， 第三个参数： 
    // 否则会报错： JsonRpcProvider failed to startup; retry in 1s
    const provider = new JsonRpcProvider(providerUrl, undefined, { batchMaxCount: 1} )

    const contract = new ethers.Contract(address, [], provider);

    // 从字节码中解析生成合约的 ABI
    const abi = await contract.interface.parseBytecode(bytecode);

    return abi;
  } catch (error) {
    console.error("Failed to convert bytecode to ABI:", error);
    throw error;
  }
}

// 调用函数并打印结果
const bytecode = "0x6080604052348015600f57600080fd5b506004361060325760003560e01c8063521eb27314603757806364d98f6e146051575b600080fd5b603d6062565b60405160489190608d565b60405180910390f35b60576071565b604051604891906082565b6000546001600160a01b031681565b6000546001600160a01b0316311590565b901515815260200190565b6001600160a01b039190911681526020019056fea2646970667358221220de10fbfb38dd3c11abcc4574a6e3dd40ad0900d9a88dd9bdc8a04e5c6153302964736f6c63430008000033"; // 替换为您的字节码
bytecodeToAbi(bytecode)
  .then((abi) => {
    console.log("ABI:", abi);
  })
  .catch((error) => {
    console.error("Error:", error);
  });

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