v5.0.0-rc

This is a release candidate for ink! 5.0. Notable changes include:

• Support for multiple chain extensions - #1958. This is a breaking change. Developers need to update their code utilising new API.
• Lazy StorageVec structure that allows access vector data efficiently - #1995
• E2E framework introduced a new builder API to simplify the call building - #1917

Added

• Allow mutable parameters in messages - #2004
• [E2E] Allow testing with live-chain state - #1949
• [E2E] Call builders and extra gas margin option - #1917
• Linter: storage_never_freed lint - #1932
• Linter: strict_balance_equality lint - #1914
• Linter: no_main lint - #2001
• Clean E2E configuration parsing - #1922
• Make set_code_hash generic - #1906
• Provide a StorageVec datastructure built on top of Lazy - #1995

Changed

• Messages return TypeSpec directly - #1999
• Fail when decoding from storage and not all bytes consumed - #1897
• [E2E] resolve DispatchError error details for dry-runs - #1944
• [E2E] update to new drink API - #2005
• Support multiple chain extensions - #1958
  • New example of how to use multiple chain extensions in one contract.
  • Affects the usage of the #[ink::chain_extension] macro and the definition of the chain extension.