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@bobbinth bobbinth released this 24 Mar 03:07
v0.14.0
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Features

  • Added single-word Array standard (#2203).
  • Added SignedBlock struct (#2355).
  • Enabled CodeBuilder to add advice map entries to compiled scripts (#2275).
  • Implemented verification of AggLayer deposits (claims) against GER (#2288, #2295).
  • Added Ownable2Step account component with two-step ownership transfer (transfer_ownership, accept_ownership, renounce_ownership) and owner, nominated_owner procedures (#2292).
  • Added double-word array data structure abstraction over storage maps (#2299).
  • Added BlockNumber::MAX constant to represent the maximum block number (#2324).
  • Introduced TokenMetadata type to encapsulate fungible faucet metadata (#2344).
  • Added PackageKind and ProcedureExport (#2358).
  • Added AccountTargetNetworkNote type and NetworkNoteExt trait with is_network_note() / as_account_target_network_note() helpers (#2365).
  • [BREAKING] Added get_asset and get_initial_asset kernel procedures and removed get_balance, get_initial_balance and has_non_fungible_asset kernel procedures (#2369).
  • Added p2id::new MASM constructor procedure for creating P2ID notes from MASM code (#2381).
  • Implemented assert_valid_ger procedure for verifying GER against storage (#2388).
  • Added P2idNoteStorage and P2ideNoteStorage (#2389).
  • Added StandardNote::from_script_root() and StandardNote::name() methods, and exposed NoteType PUBLIC/PRIVATE masks as public constants (#2411).
  • Resolve standard note scripts directly in TransactionExecutorHost instead of querying the data store (#2417).
  • Added AggLayer faucet registry to bridge account with conversion metadata, CONFIG_AGG_BRIDGE note for faucet registration, and FPI-based asset conversion in bridge_out (#2426).
  • Added DEFAULT_TAG constant to miden::standards::note_tag MASM module (#2482).
  • Added NoteExecutionHint variant constants (NONE, ALWAYS, AFTER_BLOCK, ON_BLOCK_SLOT) to miden::standards::note::execution_hint MASM module (#2493).
  • Added Package support in MockChainBuilder & NoteScript (#2502).
  • Added PSM authentication procedures and integrated them into AuthMultisig (#2527).
  • Added CodeBuilder::with_warnings_as_errors() to promote assembler warning diagnostics to errors (#2558).
  • Added MintPolicyConfig for flexible minting policy enforcement (#2559)
  • Added MockChain::add_pending_batch() to allow submitting user batches directly (#2565).
  • Implemented the on_before_asset_added_to_account asset callback (#2571).
  • Added ProgramExecutor hooks to support DAP and other custom transaction program executors (#2574).
  • Added create_fungible_key for construction of fungible asset keys (#2575).
  • Added metadata hash storage to AggLayer faucet and FPI retrieval during bridge-out leaf construction (#2583).
  • Added SwapNoteStorage for typed serialization/deserialization of SWAP note storage (#2585).
  • Added InputNoteCommitment::from_parts() for construction of input note commitments from a nullifier and optional note header (#2588).
  • Added bool schema type to the type registry and updated ACL auth component to use it for boolean config fields (#2591).
  • Implemented the on_before_asset_added_to_note asset callback (#2595).
  • Added component_metadata() to all account components to expose their metadata (#2596).
  • [BREAKING] Changed native_account::remove_asset to return the asset value remaining in the vault instead of the removed value (#2626).
  • Implemented TransactionEventId::event_name and Host::resolve_event for better VM diagnostics during even handler failures (#2628).
  • Added FixedWidthString for fixed-width UTF-8 string storage in miden-standards (miden::standards::utils::string). (#2633)

Changes

  • [BREAKING] Renamed NoteInputs to NoteStorage to better reflect that values are stored data associated with a note rather than inputs (#1662, #2316).
  • Introduced NOTE_MAX_SIZE (256 KiB) and enforce it on individual output notes (#2205, #2651).
  • Restructured miden-agglayer/asm directory to separate bridge and faucet into per-component libraries, preventing cross-component procedure exposure (#2294).
  • Skip requests to the DataStore for asset vault witnesses which are already in transaction inputs (#2298).
  • [BREAKING] Refactored TransactionAuthenticator::get_public_key() method to return Arc<PublicKey> instead of &PublicKey (#2304).
  • Removed NoteType::Encrypted (#2315).
  • [BREAKING] Updated note tag length to support up to 32 bits (#2329).
  • [BREAKING] Renamed WellKnownComponent to StandardAccountComponent, WellKnownNote to StandardNote, and WellKnownNoteAttachment to StandardNoteAttachment (#2332).
  • Added B2AGG and UPDATE_GER note attachment target checks (#2334).
  • Removed protocol-reserved faucet sysdata storage slot (#2335).
  • [BREAKING] Moved standard note code into individual note modules (#2363).
  • [BREAKING] Prefixed transaction kernel events with miden::protocol (#2364).
  • [BREAKING] Added miden::standards::note_tag module for account target note tags (#2366).
  • [BREAKING] Made AccountComponentMetadata a required parameter of AccountComponent::new(); removed with_supported_type, with_supports_all_types, and with_metadata methods from AccountComponent; simplified AccountComponentMetadata::new() to take just name; renamed AccountComponentTemplateError to ComponentMetadataError (#2373, #2395).
  • [BREAKING] Changed note scripts to be compiled as libraries with @note_script annotation for marking the entrypoint procedure (#2339, #2374).
  • Made kernel procedure offset constants public and replaced accessor procedures with direct constant usage (#2375).
  • Removed redundant note storage item count from advice map (#2376).
  • Added miden::protocol::auth module with public auth event constants (#2377).
  • Moved NoteExecutionHint to miden-standards (#2378).
  • [BREAKING] Simplified NoteMetadata::new() constructor to not require tag parameter; tag defaults to zero and can be set via with_tag() builder method (#2384).
  • Unified the underlying representation of ExitRoot and SmtNode and use type aliases (#2387).
  • Changed GER storage to a map (#2388).
  • [BREAKING] Consolidated authentication components ([#2390] (#2390))
  • [BREAKING] Refactored assets in the tx kernel and miden::protocol from one to two words, i.e. ASSET becomes ASSET_KEY and ASSET_VALUE (#2396, #2410).
  • Fixed MASM inline comment casing to adhere to commenting conventions (#2398).
  • Prefixed standard account component names with miden::standards::components (#2400).
  • Replaced auth event constant workarounds with direct imports now that miden-assembly v0.20.6 supports it (#2404).
  • [BREAKING] Moved padding to the end of CLAIM NoteStorage layout (#2405).
  • [BREAKING] Renamed miden::protocol::asset::build_fungible_asset to miden::protocol::asset::create_fungible_asset (#2410).
  • [BREAKING] Renamed miden::protocol::asset::build_non_fungible_asset to miden::protocol::asset::create_non_fungible_asset (#2410).
  • Updated account schema commitment construction to accept borrowed schema iterators; added extension trait to enable AccountBuilder::with_schema_commitment() helper (#2419).
  • Increased TokenSymbol max allowed length from 6 to 12 uppercase characters (#2420).
  • Introduced StorageMapKey and StorageMapKeyHash Word wrappers for type-safe storage map key handling (#2431).
  • [BREAKING] Changed the layout of fungible and non-fungible assets (#2437).
  • [BREAKING] Refactored account ID and nonce memory and advice stack layout (#2442).
  • [BREAKING] Removed hash_account (#2442).
  • [BREAKING] Renamed AccountHeader::commitment, Account::commitment and PartialAccount::commitment to to_commitment (#2442).
  • [BREAKING] Remove BlockSigner trait (#2447).
  • [BREAKING] Fixed TokenSymbol::try_from(Felt) to reject values below MIN_ENCODED_VALUE; implemented Display for TokenSymbol replacing the fallible to_string() method; removed Default derive (#2464).
  • [BREAKING] Renamed SchemaTypeId to SchemaType (#2494).
  • Introduced a dedicated AccountIdKey type to unify and centralize all AccountId → SMT and advice-map key conversions (#2495).
  • Updated stale miden-base references to protocol across docs, READMEs, code comments, and Cargo.toml repository URL (#2503).
  • [BREAKING] The native hash function changed from RPO256 to Poseidon2 - see PR description (#2508).
  • [BREAKING] Migrated to miden-vm 0.21 and miden-crypto 0.22 (#2508).
  • [BREAKING] The stack orientation changed from big-endian to little-endian - see PR description (#2508).
  • [BREAKING] Reverse the order of the transaction summary on the stack (#2512).
  • [BREAKING] Use @auth_script MASM attribute instead of auth_ prefix to identify authentication procedures in account components (#2534).
  • [BREAKING] Made supported_types a required parameter of AccountComponentMetadata::new(); removed with_supported_type, with_supported_types, with_supports_all_types, and with_supports_regular_types builder methods; added AccountType::all() and AccountType::regular() helpers (#2554).
  • Fixed link map entry pointer validation bypass (#2556).
  • Fixed overlap in initial and active account storage slot memory region (#2557).
  • [BREAKING] Removed NoteAssets::add_asset; OutputNoteBuilder now accumulates assets in a Vec and computes the commitment only when build() is called, avoiding rehashing on every asset addition. (#2577).
  • Added foreign account ID assertion in account::load_foreign_account (#2560).
  • Made NoteMetadataHeader and NoteMetadata::to_header() public, added NoteMetadata::from_header() constructor, and exported NoteMetadataHeader from the note module (#2561).
  • [BREAKING] Removed ProvenTransactionBuilder in favor of ProvenTransaction::new() constructor (#2567).
  • [BREAKING] Renamed AccountComponent::get_procedures() to procedures(), returning impl Iterator<Item = (AccountProcedureRoot, bool)> (#2597).
  • Moved AccountSchemaCommitment component into a sub-module (#2603).
  • [BREAKING] Separated EthAddress (plain 20-byte Ethereum address) and EthEmbeddedAccountId (Miden AccountId encoded as Ethereum address) into distinct types, replacing the single EthAddressFormat struct. (#2622).
  • [BREAKING] miden::protocol::faucet::burn no longer returns the burnt asset value (#2626).
  • [BREAKING] AssetVault::remove_asset returns the asset value remaining in the vault Option<Asset> rather than the removed value Asset (#2626).
  • [BREAKING] Renamed MMR Frontier to Merkle Tree Frontier (MTF), module was renamed from mmr_frontier32_keccak to merkle_tree_frontier (#2642).
  • Migrated to miden-vm v0.22 and miden-crypto v0.23 (#2644).
  • Removed unnecessary LexicographicWord wrapper from StorageMapDelta and LinkMap operations since Word now implements the same ordering (#2662).
  • [BREAKING] Renamed NoteLocation::node_index_in_block to NoteLocation::block_note_tree_index (#2663).
  • [BREAKING] Made fields of TransactionOutputs private (#2663).
  • [BREAKING] Renamed NoteHeader::commitment to NoteHeader::to_commitment (#2663).
  • [BREAKING] Changed TransactionId to include fee asset in hash computation, making it commit to entire TransactionHeader contents.
  • Explicitly use get_native_account_active_storage_slots_ptr in account::set_item and account::set_map_item.
  • [BREAKING] Introduced PrivateNoteHeader for output notes and removed RawOutputNote::Header variant (#2569).
  • [BREAKING] Changed asset::create_fungible_asset and faucet::create_fungible_asset signature to take enable_callbacks flag (#2571).
  • Added Ownable2Step as an Account Component (#2572).

Fixes

  • Fixed PartialAccountTree::track_account rejecting provably-empty leaves in sparse trees by handling SmtLeaf::Empty correctly (#2598).
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