-
Notifications
You must be signed in to change notification settings - Fork 3
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
- Loading branch information
1 parent
641f4fc
commit 276b723
Showing
4 changed files
with
1,456 additions
and
223 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,81 @@ | ||
| // SPDX-License-Identifier: MIT | ||
| pragma solidity ^0.8.24; | ||
|
|
||
| import "./utils/SoladyTest.sol"; | ||
|
|
||
| contract ExtcodeTest is SoladyTest { | ||
| address internal _extcodecopy; | ||
| address internal _extcodesize; | ||
| address internal _extcodehash; | ||
|
|
||
| function setUp() public { | ||
| _extcodecopy = address(uint160(uint256(keccak256("extcodecopy")))); | ||
| _extcodehash = address(uint160(uint256(keccak256("extcodehash")))); | ||
| _extcodesize = address(uint160(uint256(keccak256("extcodesize")))); | ||
| vm.etch(_extcodecopy, hex"604035806020353d3d353c3df3"); | ||
| vm.etch(_extcodesize, hex"3d353b3d52593df3"); | ||
| vm.etch(_extcodehash, hex"3d353f3d52593df3"); | ||
| } | ||
|
|
||
| function testExtcodeInitCodes() public { | ||
| bytes memory extcodecopyInitCode = hex"6c604035806020353d3d353c3df33d52600d6013f3"; | ||
| _testInitCode(extcodecopyInitCode, _extcodecopy); | ||
| emit LogBytes32("extcodecopyInitCodeHash", keccak256(extcodecopyInitCode)); | ||
|
|
||
| bytes memory extcodesizeInitCode = hex"673d353b3d52593df33d5260086018f3"; | ||
| _testInitCode(extcodesizeInitCode, _extcodesize); | ||
| emit LogBytes32("extcodesizeInitCodeHash", keccak256(extcodesizeInitCode)); | ||
|
|
||
| bytes memory extcodehashInitCode = hex"673d353f3d52593df33d5260086018f3"; | ||
| _testInitCode(extcodehashInitCode, _extcodehash); | ||
| emit LogBytes32("extcodehashInitCodeHash", keccak256(extcodehashInitCode)); | ||
| } | ||
|
|
||
| function _testInitCode(bytes memory initCode, address etched) internal { | ||
| address instance; | ||
| /// @solidity memory-safe-assembly | ||
| assembly { | ||
| instance := create(0, add(0x20, initCode), mload(initCode)) | ||
| } | ||
| assertEq(instance.code, etched.code); | ||
| } | ||
|
|
||
| function testExtcodehash() public { | ||
| bytes32 expected; | ||
| /// @solidity memory-safe-assembly | ||
| assembly { | ||
| expected := extcodehash(address()) | ||
| } | ||
| (bool success, bytes memory result) = _extcodehash.call(abi.encode(address(this))); | ||
| assertEq(abi.decode(result, (bytes32)), expected); | ||
| assertTrue(success); | ||
| } | ||
|
|
||
| function testExtcodesize() public { | ||
| bytes32 expected; | ||
| /// @solidity memory-safe-assembly | ||
| assembly { | ||
| expected := extcodesize(address()) | ||
| } | ||
| (bool success, bytes memory result) = _extcodesize.call(abi.encode(address(this))); | ||
| assertEq(abi.decode(result, (bytes32)), expected); | ||
| assertTrue(success); | ||
| } | ||
|
|
||
| function testExtcodecopy(uint256 offset, uint256 length) public { | ||
| offset = _bound(offset, 0, 0xff); | ||
| length = _bound(length, 0, 0xffff); | ||
| (bool success, bytes memory result) = | ||
| _extcodecopy.call(abi.encode(address(this), offset, length)); | ||
| bytes memory expected; | ||
| /// @solidity memory-safe-assembly | ||
| assembly { | ||
| expected := mload(0x40) | ||
| mstore(expected, length) | ||
| extcodecopy(address(), add(expected, 0x20), offset, length) | ||
| mstore(0x40, add(add(expected, 0x20), length)) | ||
| } | ||
| assertEq(result.length, length); | ||
| assertTrue(success); | ||
| } | ||
| } |
Oops, something went wrong.