Walter Scott walteh
walteh
/ CheckSameSign.sol
Last active
July 12, 2022 11:10
gas analysis of different methods of checking sign equality of integers in solidity v8
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| // SPDX-License-Identifier: UNLICENSED | |
| pragma solidity 0.8.15; | |
| import "forge-std/Script.sol"; | |
| import "forge-std/Test.sol"; | |
| function checkSameSign1(int256 a, int256 b) pure returns (bool sameSign) { | |
| uint256 sa; | |
| uint256 sb; |
walteh
/ assemblyStorageRef.sol
Last active
February 23, 2022 00:28
simple example of how solidity calculates storage refs for structs
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| pragma solidity 0.8.12; | |
| // contains refs to hardhat console.sol and DSTest.sol contract | |
| import '../utils/forge.sol'; | |
| contract test is t { | |
| struct Test { | |
| uint256 a; | |
| uint256 b; |