Questions tagged [web3js]

I am currently working on setting up web3.js for a website in order to enable Ethereum authentication. However, I encountered the following error: web3-light.js:4327 OPTIONS http://localhost:8545/ net::ERR_CONNECTION_REFUSED HttpProvider.send @ web3- ...

When I attempt to execute node compile.js, an error is being thrown at me. Any thoughts on what I might be doing incorrectly? node:assert:400 throw err; ^ AssertionError [ERR_ASSERTION]: Invalid callback object specified https://i.stack.imgur.com/ePiE9. ...

Every time I use ganache to call eth_getTransactionByHash, I encounter the following error message: "UnhandledPromiseRejectionWarning: Error: Incompatible EIP155-based V 1 and chain id 1. See the second parameter of the Transaction constructor to set the c ...

Hello there! I need some assistance in resolving an error that I'm facing. Here are the details of the issue: I am using NodeJs with Web3.js to retrieve the balance of an account address in Blockchain using the 'getBalance()' function. The code runs perfec ...

I'm currently working on creating a helper class to instantiate the necessary contracts for my dapp. At the moment, I am focused on exporting a contract instance of dai for payment purposes. Below is the code snippet for dai.js: import Web3 from 'web3' imp ...

Encountered an unidentified error while trying to install Truffle on my computer... https://i.stack.imgur.com/6GuxV.png Initially, there was an unexpected issue with Python. However, after installing Python, a new error arose npm ERR! code 1 npm ...

Can someone help me figure out how to redirect the user to the onboard page after successfully connecting to their wallet? Web3Button doesn't seem to be returning anything and I'm stuck. import React, { useEffect } from "react"; import { Web3B ...

I am facing an issue while attempting to deploy my first Voting contract on the testRPC. The error seems to arise from the arguments parameter in the code snippet below. When I tried passing an empty array, it gave an error stating "Got 0 expected 1!". Si ...

I am in the process of developing a system for document verification using ReactJS and solidity smart contract. My goal is to showcase the outcome of the get().call() method from my smart contract on the frontend, either through a popup or simply as text d ...

I encountered a MetaMask - RPC Error: Failed to fetch after calling the contract.methods.ownerOf function 2500 times. Strangely, when I call the method about 200 times, there is no error. How can I resolve this issue? (ownerOf refers to etherscan contract ...

Within my ERC20 solidity smart contract, I've implemented the following function: function getSummary() public view returns (string, string, address, uint, uint){ return( symbol, name, creator, balances[msg.sender], _tot ...

As a newcomer to the world of cryptocurrency, I'm facing an issue with connecting my frontend (Nextjs) to my contract on the Rinkeby Network. The token can be found on etherscan at this link. Although I initially believed that the connection was establishe ...

I am currently working on a claim page using next.js, where logged in Metamask addresses can perform the following tasks: Access data from a local .json file to check eligibility for claiming an item and display the claim page. Submitting a form to update ...

I am attempting to develop a small ethereum blockchain application using NextJS. However, I encountered an issue with importing Web3. ModuleParseError: Module parse failed: C:\Path\node_modules\web3-core-helpers\lib\formatters.js ...

Is it possible to use this code in web3-eth-contract 1.x? Web3Contract.setProvider("https://rpc2.sepolia.org/") In version 4.x, the setProvider method does not exist in the Web3Contract object. https://i.stack.imgur.com/rQULn.png What is the s ...

My Vite.js application with web3 running smoothly in development mode encounters an issue when switched to production mode. The error message that pops up reads: "TypeError: Cannot read properties of undefined (reading 'call')". The root cause o ...

Encountered an error during the installation of [email protected] on a Windows 10 system. npm ERR! code ETARGET npm ERR! notarget No matching version found for <a href="/cdn-cgi/l/email-protection" class="__cf_email__" data-cfemail="ee998b8cddc38d8 ...

I've been working on an application using next.js and web3. In order to link the user's wallet to the front-end, I opted for web3modal with the following code: const Home: NextPage = () => { const [signer, setSigner] = useState<JsonRpcSigner | null ...

I attempted npm node-gyp -g without success. The goal is to install truffle on my Mac running macOS Catalina, with node version 16.13.1 and npm version 8.1.2. npm ERR! code 1 npm ERR! path /usr/local/lib/node_modules/truffle/node_modules/ganache/node_mod ...

Currently, I am dealing with a React component that sends a post request to an Express server hosted by myself. The server employs web3 for signing transactions on the Ethereum blockchain. Upon successful inclusion of the transaction in a block, a JSON obj ...

I want to integrate web3 into my mobile application project. However, I am encountering difficulties accessing it without seeing a bunch of error screens indicating that I cannot access these files. I attempted to manually update the paths and so on; Wha ...