Category "smartcontracts"

Uniswap v3 nonfungiblePositionManager.mint revert after createAndInitializePoolIfNecessary

I use the official deploy tool "successfully" to deploy Uniswap v3 to a EVM comparable testnet. After NonfungiblePositionManager.createAndInitializePoolIfNecess

Solidity Error: member balance not found or not visible after argument-dependent lookup in contract

I'm getting this error in Solidity for the following code snippet: member balance not found or not visible after argument-dependent lookup in contract functio

Web3 Cannot get value of a public variable from contract

Solidity code: pragma solidity ^0.5.8; contract remainNew{ address public owner = msg.sender; uint public cubeCount = 0; modifier onlyBy(addr

UseDapp - useCall - How to get return value from Solidity function?

I am still quite new with react and solidity and don't know where to start. I can update a String and want to print it out after I changed it. But I want the St