v0.3.0-rc.1

Summary

Added

• Add UUPS Proxy: UUPSUpgradeable contract and IErc1822Proxiable trait. #752
• Add EnumerableSet generic type. #733
• Add EnumerableSet implementation for: Address, B256, U8, U16, U32, U64, U128, U256. #733
• Add IErc1155Receiver trait. #747
• Add Erc1155Holder contract. #747
• Add IErc721Receiver trait. #743
• Add Erc721Holder contract. #743
• Add Precompiles::p256_verify wrapper function. #754
• The Precompiles::ec_recover is now callable on &self. #754
• The ecdsa::recover function now accepts impl StaticCallContext instead of &mut impl TopLevelStorage. #754
• SafeErc20 now implements: try_safe_transfer, try_safe_transfer_from, transfer_and_call_relaxed, transfer_from_and_call_relaxed and approve_and_call_relaxed. #765
• Add bidirectional conversions between ruint::Uint and crypto library Uint types behind ruint feature toggle. #758
• Add bidirectional conversions between Uint and u8, u16, u32, u64, u128 types. #764
• Add EDDSA (Ed25519) signature scheme. #757

Changed (Breaking)

• Remove initial EnumerableAddressSet implementation. #733
• Rename IERC721Receiver Solidity Interface to IErc721ReceiverInterface. #743
• Change RECEIVER_FN_SELECTOR type to FixedBytes<4>. #743
• Rename IERC1155Receiver Solidity Interface to IErc1155ReceiverInterface. #747
• Change Erc1155Receiver constants SINGLE_TRANSFER_FN_SELECTOR and BATCH_TRANSFER_FN_SELECTOR to type B32. #747
• Change Erc721Receiver constant RECEIVER_FN_SELECTOR to type B32. #747
• Rename Precompiles::ecrecover wrapper function to Precompiles::ec_recover. #754
• Replace associated error type with Vec<u8> in IErc1155Receiver and IErc721Receiver traits. #770
• Add IErc721Receiver trait bound to the IErc721Wrapper trait. #770

Changed

• Rename FixedBytes<4> to B32 and FixedBytes<32> to B256 and StorageFixedBytes<32> to StorageB256. #747
• Replace SafeErc20::encodes_true with Bool::abi_decode in SafeErc20 when decoding the bytes result. #754
• Simplify Pedersen hash API to accept any type that implements Into<P::BaseField>. #758

Fixed

• Fix export-abi bug for reentrant feature. #753

Full Changes List

• feat: add Erc721Holder contract by @bidzyyys in #743.
• feat: add Erc1155Holder contract + use type aliases for FixedBytes<N> by @bidzyyys in #747.
• fix: export-abi bug for reentrant feature by @bidzyyys in #753.
• ref: Replace SafeErc20::encodes_true with Bool::abi_decode in SafeErc20 when decoding the bytes result by @0xNeshi in #754.
• feat: secp256r1 precompile wrapper by @0xNeshi in #755.
• feat: EnumerableSet Trait and Implementations by @davebryson & @qalisander in #733.
• feat: implement conversions ruint::Uint <-> openzeppelin_crypto::Uint by @bidzyyys & @qalisander in #758.
• feat: UUPS Proxy by @bidzyyys in #752.
• feat: update SafeErc20 to match the new Solidity version of the Contract by @0xNeshi in #765.
• feat: add Erc1155Holder & Erc721Holder examples by @bidzyyys in #770.
• feat: conversion between Uint and primitive integers by @qalisander in #764.
• feat: Ed25519 signature (EDDSA) by @qalisander in #757.

Full Changelog: v0.3.0-alpha.1...v0.3.0-rc.1