solidity ^0.4.19 (works)

uint256 randNonce++;
return uint256(keccak256(msg.sender, randNonce, now))

solidity ^0.4.24 (throws)

uint256 randNonce++;
return uint256(keccak256(abi.encodePacked(msg.sender, randNonce, now)));

throws: Type uint256 is not implicitly convertible to expected type uint8


Is it possible your function returns(uint8) ?

This compiles:

pragma solidity 0.4.24;

contract HashToUint {

    uint256 randNonce;

    function test() public returns(uint) {
        return uint(keccak256(abi.encodePacked(msg.sender, randNonce, now)));

Hope it helps.

  • Solved the issues! embarrassing ;) – Senju Jul 5 '18 at 6:03

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