Category "web3js"

Call Solana web3.js from HTML

I am trying to run web3.js from HTML. Now so far I have been able to call window.solana.connect(); and window.solana.disconnect(); functions. However when I try

Web3js fails to import in Vue3 composition api project

I've created a brand new project with npm init vite bar -- --template vue. I've done an npm install web3 and I can see my package-lock.json includes this packag

list all token IDs by owner at ERC721

I have a simple ERC721 smart contract used for testing purposes, I was wondering if it is possible to query the token IDs a specific wallet owns in that smart c

deploy Openzeppelin ERC20 contract with web3JS

The openzeppelin codes of ERC20 token give error in deploying directly. Even after flattern the codes, i am unable to select contract MyToken out of many contra

Can't Retrieve Wallets transactions using web3

so yea I tried to get all the transactions of a wallet address on a certain token contract. But it keeps on returning null. const Web3 = require('web3') const

How to create React App including Web3 using create-react-app? I am getting Module not found Error. BREAKING CHANGE: webpack < 5 used

I am new to Web3 and I am trying to create a react app integrated with web3. Below are the steps I followed in Ubuntu. create-react-app app_name cd app_

Web3 JS How to get transactions from the block

Basically I am running these commands: var blocknumber = await web3.eth.getBlockNumber(); var transaction = await web3.eth.getTransactionFromBlock(blocknumber,

Best way to save a secretKey

I'm learning Solana API on ReactJS. After generating a keypair you can recreate the same keypair with the secretKey. How can I save this keypair? I'm using reac

Get transfer event for BNB on Binance Smart Chain Using Web3.js

Please I would like to know how I could get only transfer event of BNB on BSC using web3.js Objective: Each time a user makes a BNB deposit to an address on my

Issues with loading consecutive files on 3js

I am trying to create a 3d model viewing website for various student projects. Currently pulling from the 3js library to reference OBJs and MTLs on server. The

Decode constructor arguments in solidity

I playing Ethernaut Level 8. The goal is to get access to the private password state variable and unlock the contract. I know one could use await contract.unloc

Sender account not recognized on private ethereum network

I'm currently developing a dApp in Solidity and am working on a web3 library to handle communication with it. I struggle with the process of new account creati

Does approve take time to be confirmed, and how to deal with this in BSC?

Hi I am doing BSC DApp using web3 with react. I am very new to this field. I found after call approve, the transfer(or zapInToken in my case) will not be succes

Is there any way to initiate a disconnect request to the Metamask wallet?

I'm building a decentralized application where users can connect their cryptocurrency wallet (Metamask) to my website. They can initiate a connection request by

Sending BNB with web3js won't log errors

I have this code that allows me to send bnb using web3.js using MetaMask I want to display a message when user rejects payment or there is any other error and i

Reference error window not defined error in Web3

Here is my code: import Web3 from './web3'; if (window.ethereum) { window.web3 = new Web3(ethereum); try { // Request account access if needed

Cannot find module web3

I simply am trying to import web3 to my project and for whatever reason I cannot seem to resolve the issue I am facing. The relevant code is posted below: Examp

WalletConnect & web3js - how to forget previously set wallet?

I'm writig a dApp using web3Modal and web3js libraries. I have an issue regarding the WalletConnect provider. Upon choosing to connect using WalletConnect, the

Issue with Web3.js, try to call he contract to see the state

Hi everyone! I tried to make a call to the state of a contract developed on truffle, using web3.js in React, the problem is this, when I try to see the price of

wallet-connect importKey error when uploaded to test server, but local server it works fine

I was trying out wallet-connect for my nft market place app . i have mostly everything set up from my end . Just that my wallet-connect works perfectly in local