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Optimize array allocation in ERC1155 #4196

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Merged
frangio merged 10 commits into from
Jun 2, 2023
Merged

Optimize array allocation in ERC1155 #4196

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d43ff2d
first version
RenanSouza2 Apr 18, 2023
1b3190b
assembly version
RenanSouza2 Apr 18, 2023
a3598e4
Benchmark commit
RenanSouza2 Apr 26, 2023
87c5868
Enable tests
RenanSouza2 Apr 26, 2023
45d08a9
Merge branch 'master' into array-optimization-tests
frangio Jun 1, 2023
bfa1323
add memory safety comment
RenanSouza2 Jun 2, 2023
98ac862
fix linter issues
RenanSouza2 Jun 2, 2023
ba81ae9
add changeset
frangio Jun 2, 2023
7849191
change variable declaration
RenanSouza2 Jun 2, 2023
6f9b86a
use declared return variables instead of return
RenanSouza2 Jun 2, 2023
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use declared return variables instead of return
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@RenanSouza2
RenanSouza2 committed Jun 2, 2023
commit 6f9b86a3b35fcad63d307911e0ea4ea9b0f1d6a7
7 changes: 1 addition & 6 deletions contracts/token/ERC1155/ERC1155.sol
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Expand Up @@ -376,10 +376,7 @@ contract ERC1155 is Context, ERC165, IERC1155, IERC1155MetadataURI {
function _asSingletonArrays(
uint256 element1,
uint256 element2
) private pure returns (uint256[] memory, uint256[] memory) {
uint256[] memory array1;
uint256[] memory array2;

) private pure returns (uint256[] memory array1, uint256[] memory array2) {
/// @solidity memory-safe-assembly
assembly {
array1 := mload(0x40)
Expand All @@ -392,7 +389,5 @@ contract ERC1155 is Context, ERC165, IERC1155, IERC1155MetadataURI {

mstore(0x40, add(array2, 0x40))
}

return (array1, array2);
}
}