v1.0.0-rc0

Optimizations:

• Sierra code size:
  • Compressed sierra code - X20 shrinking of the sent code size.
  • Removed unrequired StructDestructure commands when followed by drops.

Bug Fixes:

• 2932 - Branch Alignment Issue
• 2933 - Made contract using bitwise operations compile
• 2946 - Felt252Dict works now

Breaking Changes:

• Made Serde non owning (Kudos @wraitii)
• Removed Sierra libfuncs that weren’t required (does not break Cairo1.0 existing code, as this just changed the underlying implementation of the code).
  • u{8,16,32,64,128}_le, u{8,16,32,64,128}_lt (replaced by using `u*_overflowing_sub)
  • felt252_dict_read, felt252_dict_write (replaced by felt252_dict_entry_*)
  • u128_wide_mul (replaced by u128_guarantee_mul and u128_mul_guarantee_verify)
  • Attribute argos are now : based instead of = based.
  • #[should_panic(expected: ('assert(false)', ))]
• Names of parameters in impl methods are now enforced to be the same as in the trait.

New Features:

• Only a single constructor in contract is enforced earlier (Kudos @tserg)
• continue now supported in loop blocks (Kudos @tserg)
• Basic Keccak support - still pending user level code of generating padding.
• Felt252Dict now has an update option through the entry method.
• #[test] framework now supports contract interoperability simulation.
  • code example
• Added u256_sqrt.
• use statement aliases are now supported.
  • use some::path::to::usage as better_name;
• use statement can now provide multiple values.
  • use some::path::to::{one, the_other};
• New #[inline] attribute, allows inlining of functions that may call themselve.
• Added cmp::{min, max} for PartialOrd supporting types (Kudos @bllu404)
• Improved formatting all around
• Additional and more efficient Integer casting (Kudos @hemantjoestar)

Additional Contributions:

• Fix should_panic error message (Kudos @andrew-fleming)
• Implement inline macro parsing (Kudos @tarrencev)
• Rename test in ecdsa_completeness (Kudos @gaetbout)
• Migrate to @types/vscode & @vscode/test-electron (Kudos @pcdotfan)
• Refactor parser.lalrpop to remove unicode-perl regex (Kudos @tarrencev)
• Expose test runner as lib (Kudos @ericnordelo)
• Initialize db in TestRunner constructor (Kudos @tarrencev)
• Expose TestRunner members (Kudos @tarrencev)
• Restore starknet-compile (Kudos @war-in)
• Expose more use statements in the starknet module (Kudos @taco-paco)
• Adding u128 overflow sub (Kudos @gaetbout)
• Displays cairo-run panic msg as string (Kudos @notV4l)
• Fix and unify list styles (Kudos @microbecode)