v0.5.0a0

Usage related changes

• No longer supporting Python 3.8 (requirement of cairo-lang)
• Adapted to Starknet 0.11 (cairo-lang 0.11.0.1):
  • Supporting declare v2 transactions
    • Recompiling cairo 1.0 classes with compiler v1.0.0-alpha.6
    • Supporting only x86 architecture (e.g. arm/m1 not supported)
  • Supporting class replacement (replace_class)
  • Enforcing L1->L2 message fees
  • Updated get_class_by_hash
    • Returning sierra for cairo 1 and old contrat class for cairo 0 classes
  • Supporting get_compiled_class_by_class_hash
  • JSON-RPC support not modified (still using v0.2.1)
• Temporarily suspended Rust VM support
• Number of retries in forking is now configurable:
  • starknet-devnet --fork-retries <N>
• /create_block endpoint is unified with /create_block_on_demand
  • Now /create_block returns only block hash
• Transactions with max_fee set to zero are no longer supported by default
  • Support them with starknet-devnet --allow-max-fee-zero
• Improved hash validation (blocks and transactions)
• Time manipulation no longer requires manual block creation
• Getting blocks and traces fixed in forked mode

Development related changes

• Python 3.8 no longer in circleci workflow
• Introduced common parent class of predeployed contracts

Merged PRs

• Invoke transaction with max fee=0 are not supported by default by @ptisserand in #392
• Unification of create_block_on_demand() to create_block() by @mikiw in #404
• Improve validation of block hash and transaction hash by @mikiw in #409
• Change "StarkNet" to "Starknet" by @Hug0x0 in #411
• Make number of retries in forking configurable by @bigherc18 in #410
• increase/set time block creation by @mikiw in #416
• Refactor predeployed contract wrapper classes by @bigherc18 in #414
• Fix get block and get traces in fork mode by @mikiw in #419
• Adapt to starknet 0.11.0 by @FabijanC in #415

New Contributors

• @bigherc18 made their first contribution in #410

Full Changelog: v0.4.6...v0.5.0a0