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Optimise permit hashing #260

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merged 2 commits into from
Aug 4, 2024
Merged

Optimise permit hashing #260

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26250c6
permit hash in assembly
hensha256 Aug 3, 2024
e153b0d
fuzz test
hensha256 Aug 3, 2024
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fuzz test
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@hensha256
hensha256 committed Aug 3, 2024
commit e153b0d11e85ebb4fd447d1630b02c4c78839f1c
6 changes: 6 additions & 0 deletions test/ERC721Permit.t.sol
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Expand Up @@ -67,6 +67,12 @@ contract ERC721PermitTest is Test {
);
}

function test_fuzz_permitHash(address spender, uint256 tokenId, uint256 nonce, uint256 deadline) public view {
bytes32 expectedHash =
keccak256(abi.encode(ERC721PermitHashLibrary.PERMIT_TYPEHASH, spender, tokenId, nonce, deadline));
assertEq(expectedHash, ERC721PermitHashLibrary.hash(spender, tokenId, nonce, deadline));
}

function test_domainSeparator() public view {
assertEq(
IERC721Permit(address(erc721Permit)).DOMAIN_SEPARATOR(),
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