问web3.eth.Contract.methods.MyMethod.send()错误。帮帮我
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Stack Overflow用户

提问于 2022-08-28 14:02:59

回答 1查看 107关注 0票数 -1

我在使用"React“、"web3.js”和"web3-react“创建dApp时遇到了以下问题。

这是错误信息。

返回的错误:由于项目ID设置被拒绝

这是错误日志。

我不知道为什么会发生这个错误。即使我搜索了谷歌，也很难找到确切的答案.

我使用以下技术制作了它。

反应Js，Web3.js，Web3-反应，稳固，因弗拉

我的合同网址

0xa8a254fb5bB9DEd6de3e767b9A9A962bD98185

问题码.sol

struct SignBlock{
        uint no;
        string name;
        string date;
        string depart;
        string fileName;
        string filePath;
        address writerAddr;
    }
    SignBlock[] sb;
   
    uint no_cur = 0;
    
    function makeBlock(string memory name,string memory date,string memory depart,string memory fname, string memory fpath)  public {
        SignBlock memory tmp;
        tmp.no = no_cur++;
        tmp.name=name;
        tmp.date=date;
        tmp.depart = depart;
        tmp.fileName=fname;
        tmp.filePath=fpath;
        tmp.writerAddr=Owner;
        sb.push(tmp);
    }

问题代码./lib/myContract.js

import Web3 from "web3";
export const web3 = new Web3(
    new Web3.providers.WebsocketProvider(
        "wss://ropsten.infura.io/ws/v3/c1df0953ad0a489fb24ab898d60a57c8"
    )
);
export const CONTRACT_ADDRESS = "0xa8aa254fb5bB9DEd6de3e767b9A9Aa962bD98185";
export const ABI =[<My ABI>];
export const Mycontract = new web3.eth.Contract(ABI, CONTRACT_ADDRESS);

问题代码./lib/connectors.js

import { InjectedConnector } from "@web3-react/injected-connector";

export const injected = new InjectedConnector({
    supportedChainIds: [1, 3, 4, 5, 42],
});

问题码Signed.js

import React, { useState } from "react";
// Web3-react
import { useWeb3React } from "@web3-react/core";
import { Mycontract } from "../lib/mycontract";
function Signed() {
    const { account, active, deactivate } = useWeb3React();
let date = new Date();
    let now = date.toLocaleString();
    const [block_, setBlock] = useState({
        name: "",
        depart: "",
        time: "",
        fname: "",
        path: "",
    });
...
const makeSigned = () => {
       
        var s = `Block!\nname : ${block_.name}\ndepart : ${block_.depart}\ntime : ${block_.time}\nfname : ${block_.fname}\npath : ${block_.path}`;
        alert(s);
        document.getElementsByClassName("usr")[0].value = "";
        document.getElementsByClassName("dp")[0].value = "생산";
        document.getElementsByClassName("target_file")[0].value = "";
        document.getElementsByClassName("filepath")[0].value = "";
        Mycontract.methods
            .makeBlock(
                String(block_.name),
                String(block_.time),
                String(block_.depart),
                String(block_.fname),
                String(block_.path)
            )
            .send({ from: account, gas: 300000 });
    };

我的恩弗拉安全设置