fix: support fixed-size array dimensions in signature parser#278
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fix: support fixed-size array dimensions in signature parser#278
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The Lark grammar only handled dynamic arrays (`[]`) but rejected fixed-size arrays (`[N]`), causing lint failures on valid Solidity types like `address[11]` and `uint256[5][5]`. Made-with: Cursor
fsamier
approved these changes
Mar 17, 2026
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Summary
The Lark grammar in the ABI signature parser only handled dynamic arrays (
[]) but rejected fixed-size arrays ([N]), causingInvalid signatureerrors when linting valid Solidity/ABI types such asaddress[11],uint256[5][5], oraddress[5].Changes (3 lines in
src/erc7730/common/abi.py):array: "[]"→array: "[]" | "[" /[0-9]+/ "]"to accept both[]and[N]arraytransformer: preserve the size dimension instead of always returning"[]"named_tuplefilter: match array suffixes bystartswith("[")instead of== "[]"so fixed-size arrays on tuples are correctly identifiedTest plan
uint256[3]), multi-dimensional fixed-size (uint256[5][5],uint256[2][3][4]), mixed fixed/dynamic (bytes32[2][]), and fixed-size tuple arrays ((uint256,address)[3])Made with Cursor