I’m building a simple Voting DApp using Solidity and Hardhat. The contract deploys successfully, and I can start and end voting without issues. However, when I try to call the getWinner() function ...

There's a few different ways of accessing dapp providers, but one of the most standard ways to check everything's good in the context you're running things is with a bog standard, window....

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 trying to test my smart contract using ganache provider and mocha but seeing this error. AbiError: Parameter decoding error: Returned values aren't valid, did it run Out of Gas? You might also see ...

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/...

Right now I'm getting a weird error, I'm trying to convert an object to a string and I get this type error. const x = await web3.eth.getTransaction(tx); console.log(x); ^ ...

const BN = window.BN || solanaWeb3.BN; if (typeof window !== "undefined" && typeof window.Buffer === "undefined") { window.Buffer = { from: (data) => new ...

I'm working on an integration with PancakeSwap using Java and Web3J. All my tests were conducted on BSC Testnet. After conducting some research, I used the UI to perform a transaction that went ...

I'm building a React app with Solana wallet integration and experiencing a persistent issue where transactions are successfully sent (I get a valid transaction signature), but they never confirm on-...

how are you? I'm trying to do a Swap Input Exact, and I'm generating the hash and spending gas, but the tokens are not being swapped. This is a hash that was generated, but no tokens were swapped: ...

I am developing a trading bot on Liquidlaunch. Also I can see the APIs on Liquidlaunch Document { "signature": "0x...", "signedMessage": { "sender_address&...

I wanted to get a quote for WETH/USDC using ether on testnet(sepolia). To the best of my knowledge being a newbie in web3, I think my code looks decent but when I try get the quote I get an error. I ...

I am tired of contant getting error below. Each time I am truing to call a method from a NodeJS app that works on Debian 11, it causes it. I can call this method directly from REMIX and from the ...

I am currently creating a web3 staking app for a solona blockchain token in reactjs. how can I get balance of a specific token? I can only get the balance or sol balance of the wallet not the specific ...