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Changelog

All notable changes to this project will be documented in this file.

The format is based on Keep a Changelog, and this project adheres to Semantic Versioning.

[0.3.0] - 2025-02-21

Added

  • Drop trait implementation — contexts are automatically freed when Abieos goes out of scope.
  • as_ptr() method to access the raw context pointer for FFI interop.
  • Thread-safety documentation on the Abieos struct explaining Send but not Sync.

Changed

  • Breaking: context field is now private. Use as_ptr() for raw pointer access.
  • Breaking: from_context() now creates a non-owning wrapper (won't free the context on drop).
  • Breaking: destroy() method removed — replaced by automatic Drop.

Removed

  • Removed is_destroyed field (was set but never checked).
  • Removed Option wrapper on context (was always Some).

[0.2.0] - 2025-02-21

Added

  • delete_contract and delete_contract_native methods on Abieos to remove a loaded contract from the context.
  • JsonToBin error variant for accurate error reporting from json_to_bin.
  • impl std::error::Error for AbieosError — enables anyhow, thiserror, eyre compatibility.
  • Upstream abieos support for bitset ABI type.
  • Upstream abieos support for fixed-size array types (e.g. uint8[32]).
  • Upstream abieos support for nested array types (array of arrays, optional arrays).
  • Upstream abieos abieos_delete_contract C API function.

Changed

  • Breaking: All methods now accept &str instead of String for JSON/HEX inputs.
  • Breaking: All methods now accept &[u8] instead of Vec<u8> for binary inputs.
  • Updated abieos C++ submodule from ae6854e to f7d5b45 (latest upstream main).
  • Bumped bindgen build dependency from 0.69.4 to 0.72.1.

Fixed

  • Bug: hex_to_json, bin_to_json, get_type_for_action, get_type_for_table, and get_type_for_action_result no longer panic on invalid names — they now propagate errors via Result.
  • Bug: json_to_bin now returns AbieosError::JsonToBin instead of AbieosError::JsonToHex.
  • Bug: get_type_for_table_native now returns AbieosError::GetTypeForTable instead of AbieosError::GetTypeForAction.
  • Upstream fix for to_json conversion of double values.
  • Upstream fix for integer overflow in serialization.
  • Upstream fix for memcpy() with NULL source pointer.

Removed

  • Removed fpconv C library compilation (upstream removed it).
  • Removed deprecated .static_flag(true) calls in build.rs.

[0.1.5] - 2024-08-01

  • Initial tracked release on crates.io.
  • Rust wrapper for abieos C library with support for:
    • Name conversion (string_to_name, name_to_string)
    • ABI loading (JSON, HEX, binary formats)
    • JSON ↔ HEX ↔ binary serialization/deserialization
    • Action and table type lookups
    • ABI format conversion (abi_bin_to_json, abi_json_to_bin)