✨ Pre-Release Supporting Uniswap V4 !! ✨

[Elnaril]

This library starts to support Uniswap V4 with this alpha version that has just been released. Here is the release note:

v2.0.0a1

• Add support for some V4 functions and features:
  • V4_INITIALIZE_POOL
  • V4_POSITION_MANAGER_CALL
    • MINT_POSITION
    • SETTLE
    • SETTLE_PAIR
    • CLOSE_CURRENCY
    • UNWRAP
  • V4_SWAP
    • SWAP_EXACT_IN_SINGLE
    • SETTLE
    • SETTLE_ALL
    • TAKE_ALL
  • Pool Key and Pool Id encoding
• Add support for PERMIT2_TRANSFER_FROM
• Custom contract error decoding
• Encoding refactoring

More V4 functions will be added in following alpha/beta versions before the release of the stable version, which should happen shortly after Uniswap V4 and the Universal Router are deployed on Mainnet and Unichain.
Expect also some heavy refactoring and breaking changes with these alpha release.

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Feel free to give me any feedback on this release here, or open a discussion or a ticket about a feature that should be in the next one!