Formal Verification, Solidity Smart Contracts, Mathematical Proof, Ensuring Accuracy, Security.
voted"); hasVoted[msg.sender] = true; if (choice) { yesVotes++; } else { noVotes++; } } } Next, we specify the properties we want to verify. In this case, we want to ensure that a user can only vote once and that the vote count is updated correctly: function testProperties() public { Voting