I’m working on a Next.js application and using Wagmi to interact with a smart contract. The issue I'm facing is that when I call the getDoubledNumber() and number() functions from the frontend using ...

I'm building a MetaMask Snap and I need help with the following use case: A user deploys a smart contract using Remix IDE. Instead of MetaMask directly sending the transaction to the default Ethereum ...

Configured remix.ethereum.org ( Browser based Remix IDE ) . Environment set to Injected Web3 Provider Metamask. Network in Metamask is set to Infura Sepolia using RPC URL. https://sepolia.infura.io/v3/...

Question Body: I'm developing an ERC721 contract using OpenZeppelin libraries, and I'm encountering an error when calling _exists() in my Solidity contract. The error message is: DeclarationError: ...

I am new to Solidity and smart contracts but I am trying to deploy a smart contract on remix-ide. It's a snipping arbitrage bot that's supposed to trade Ethereum but when I try to deploy it, Remix ...

This is my code for the contract on solidity:(Token Deployed on BNB smart chain Mainnet) // SPDX-License-Identifier: MIT pragma solidity ^0.8.20; import { ECDSA } from "@openzeppelin/contracts/...

I am writing a fundMe test file where I run tests for my fundMe solidity contract. I am having a problem concerning calling a function called "getConversionRate" from a PriceConverter file, ...

I wrote a solidity contract for withdrawing balance of cantract. May someone tell if its working. withdrawSafe should prevent reentrancy attack, but i don`t know if it is. Just check if everything is ...

// SPDX-License-Identifier: Unlicensed pragma solidity >= 0.7.0; contract Basic{ uint[] public val = [1,2]; function demo() public returns(uint) { val[0] = 22; ...

I'm working on a smart contract using Chainlink VRF (Verifiable Random Function) on the Ethereum Sepolia network. According to the documentation and examples, the subscription ID should be a uint64. ...

I am trying to use the ETH/USD price data feed on the Polygon Cardano Testnet via Remix. I deployed the following contract successfully: // SPDX-License-Identifier: MIT pragma solidity ^0.8.7; import ...

The call function in the withdraw() returns false and the require statement below it logs "Transfer failed". I've asked ChatGPT and it says that "check your gas limit".(my gas ...

I'm trying to deploy a simple Solidity contract using Remix, but I'm encountering an error related to missing trie nodes. Here is my contract code: // SPDX-License-Identifier: MIT pragma solidity ^0.8....

I tried to deploy the smart contract code in Remix Ethereum IDE but I am stuck with some errors. I tried to update the version of Solidity and do I added construct function in the contract. Although ...

I'm very new in development. I have a simple smart contract that has 2 functions. 1 is to receive payments from any address. 2 withdrawAll that works only for the owner of the contract. The problem is ...