I have wrote the smart contract for creating ENS subdomain name. I need to pass the reference ETH address record for that created subdomain name. pragma sol
I am developing an NFT collection using ERC721 token. But I would like to know how a particular nft is held by a particular customer? I am sensing there are two
I want to list two collections on Opensea but instead of creating two smart contracts for that, I want to create only one (to save gas fees of uploading a contr
We're looking to build an indexer for all ENS records. Loading names is a simple task however determining the proper resolution address presumably requires read
I am currently learning about NFTs and I reached the point where I deployed the contract and I can mint and everything going well. The only missing part is roya
I am trying to authenticate my wallet against OpenSea using the SDK, but fail doing so. Here's my code snippet: const walletSubprovider = new MnemonicWalletSubp
I'm writing unit tests in Hardhat using Hardhat's mainnet fork, however it seems that the results from one test are affecting future tests and causing my assert
I encounter the following error while trying to run a dapp made using React, Truffle & Ganache. I'm also using web3 version 1.7.1. The problem is that the c
I am very new to web3 and relatively new to JavaScript. The following code returns undefined for the variable accounts. Here is my code: const Web3= require('we
How can I access smart contract calls with only the address of the contract? Correctly, I understand that the address will be enough, because with the help of i
I am attempting to broadcast a constructed transaction for rinkeby. Web3 seems to always return errors, sometimes for insufficient funds for gas * price +
In Ethereum I opened the javascript console with "geth console" but I can not close it anymore. I have tried ctrl-c, but it does not work.
I am trying to use Web3.js to claim a token from a Smart Contract. I am meeting the error return new Error('"gas" is missing');. const Web3 = require('Web3'); c
I'm not much of a professional with web3 and trying to figure out how to create a transaction that is using a symbol/token/cryptocurrency or whatever you might
bsc = 'https://bsc-dataseed.binance.org/' web3 = Web3(Web3.HTTPProvider(bsc)) # print(web3.isConnected()) account_1 = '0xXXXXXXXXXXXXXXX
I am trying to fetch the metadata I stored on NFT.storage using axios, but each time I get this error: Access to XMLHttpRequest at 'ipfs://bafyreib6hf354pwtnwx
I got an interrogation about creator earnings, is there a way actually to collect creator earnings if the user sell the NFT on several markets like Rarible and
hey so i was looking through github for a LP staking smart contract and i came across this // SPDX-License-Identifier: MIT pragma solidity 0.7.6; import "@open
When I try to test below project, it gets below error. Any thoughts why test fails, am I missing something? I am following 16 hours Solidity course of 'freecode
I have a front-end / web3 application that connects to a deployed contract in the rinkeby ethereum networt. That is possible with the Web3 library, and creating