I installed py-solc-x via pip3 install py-solc-x in the terminal but when I run the program, I still get an importerror. What's going on here? My code: from sol
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
I use Quasar CLI version 1.2.1 and library web3 version ^1.5.2 it's an error when i use: import Web3 from 'web3' Log Error: App • Chaining "UI" Webpack c
I've compiled and deployed my contract and tested it successfully and also connect Metamask to ganache and all works fine. The problem is when I try to interact
I'm trying to write some data to Ethereum Rinkeby test network without using meta mask, But while calling the method i'm getting the error below , But my argume
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
Currently, I used the following python codes to connect to web3 from web3 import Web3 # Fill in your infura API key here infura_url = "https://mainnet.infura.io
I want use "web3" and "walletconnect/web3-provider" package on vue & laravel 8. I install it by npm i --save web3 @walletconnect/web3-provider command and a
I'm building a decentralized application where users can connect their cryptocurrency wallet (Metamask) to my website. They can initiate a connection request by
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
I am trying to call Uniswap's Router's function swapExactTokensForETHSupportingFeeOnTransferTokens(). When I enter the values manually on etherscan, it goes thr
I am trying to call a method on a Smart Contract on a node app using an account that I create from a private key using web3 on a private quorum blockchain. I am
I am trying to call a method on a Smart Contract on a node app using an account that I create from a private key using web3 on a private quorum blockchain. I am
OpenSea allows users to buy and sell NFTs. From OpenSea, you can view the prices of listed NFTs within a project. When an NFT is listed, is the listed price sto
In my project, I tried to connect with metamask on Ganache. But I got the error like the following. inpage.js:1 MetaMask - RPC Error: Expected an array with at
I write the code below. It seems it has a problem with the "signed_txn = w3.eth.account.sign_transaction(transaction, private_key=private_key" part. I face to t
i need to make a very simple discord bot to verify and show eth address and show which user it belongs too. Need to associate a verified eth address for each m
Hello I am trying to transfer a custom SPL token with the solana-wallet adapter. However i am having trouble getting the wallet's secret key/signing the transac
I am trying to connect to a smart contract deployed using Truffle. I am using Web3 from a React app but when I make a call to any of the contract functions I al
In the token swap I am receiving less amount of the output token than that indicated in the parameter "amountOutMin". This is expected, because the token that I