bcs

Releases

1. ▸▾0.2.013 Jul 2026

   Full rewrite with a single public entry point (package:bcs/bcs.dart); implementation moved to lib/src/.

   Full rewrite with a single public entry point (package:bcs/bcs.dart);
   implementation moved to lib/src/.

   Breaking changes:

   • Remove the legacy string-based registry API (LegacyBCS,
     registerStructType, ...) and the split libraries (bcs_type.dart,
     utils.dart, hex.dart, index.dart, consts.dart, ...).
   • Rename encoding helpers to hexEncode/hexDecode and
     base58Encode/base58Decode; drop the Encoding enum and base64 wrappers
     (use dart:convert).

   Improvements:

   • Strictly typed inputs; u64/u128/u256 accept int, BigInt or decimal
     String. struct/enumeration accept any Map or object with toJson().
   • Stricter, hardened decoding: canonical booleans, bounds-checked reads,
     validated enum indexes, ULEB128 capped at u32, vector lengths checked
     against remaining input, strict hex parsing, byte-range validation.
   • BcsWriter grows its buffer geometrically and writes in bulk.
   • Strict analyzer modes; requires Dart 3.2+.

   Open source →

   Additional notes

   Full rewrite of the package as idiomatic Dart. Breaking changes.

   • Single public entry point package:bcs/bcs.dart; implementation moved to lib/src/.
   • Removed the legacy string-based registry API (LegacyBCS, registerStructType, ...).
   • Renamed encoding helpers to hexEncode/hexDecode and base58Encode/base58Decode; removed the Encoding enum and base64 wrappers (use dart:convert).
   • Strictly typed inputs for primitive types; u64/u128/u256 accept int, BigInt or decimal String. struct/enumeration accept any Map or an object exposing toJson().
   • Stricter decoding: canonical booleans, bounds-checked reads, validated enum indexes.
   • BcsWriter grows its buffer geometrically and writes byte ranges in bulk; its write methods return void (use cascades for chaining) and the allocateSize option is gone.
   • Enabled strict analyzer modes and additional lints; requires Dart 3.2+.