I want to Integrate Login and Signup with Meta mask in ASP.NET MVC. looking for it for so long. Checked Metamask tutorial but it has code in node.js and the lib
I have a security problem in my Solidity contracts and I can't figure out how to fix it. The flow goes like this: First, we create an instance of contract A; Cr
I've connected metamask to a node created with hardhat. I can connect to this node on http://localhost:8545 network in metamask after setting the chain id to ma
Problem I am trying so use a method of a contract in the testnetwork (ropsten), but it fails due to this error: reason: 'cannot estimate gas; transaction may f
I'm following the instructions off the book Mastering Ethereum, (https://www.onlineprogrammingbooks.com/mastering-ethereum/) and I've hit a snag. I've set up th
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