Automatic tight struct packing optimization for Solidity

V2: Works purely on struct packing logic, no compilation.

V1 (old): Compiles and checks the output on a sample contract using foundry gas reporter

NOTE: This is a work in progress! Verify the results on your own. V2 is more accurate. V1 will take exponential time on large inputs.

Only for V1: Make sure Foundry is installed. This is used in calculating gas using a sample contract.

python tightenV2.py <struct_data_types>

Example:

python tightenV2.py uint256 bytes10 bytes20 bytes30 bytes32 address uint16 uint8

python tighten.py <struct_data_types>

Example:

python tighten.py uint,bytes,int,bool,address,uint256

• Add support for all the remaining data types
• Beautify output struct order