hedera_flutter_sdk 0.0.3-dev

The first native Flutter/Dart SDK for the Hedera network. Pure Dart, no platform channels. Supports HBAR, HTS, HCS, and Mirror Node. Built for mobile and desktop.

Changelog

All notable changes to hedera_flutter_sdk will be documented here.

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

0.0.3-dev

Fix pana static analysis score from 50/160 to 130/160.

Fixed

• generate_proto.ps1: include auxiliary/ and state/ subdirectories to resolve missing URI imports in transaction.pb.dart
• pubspec.yaml: add explicit platform declarations (Android, iOS, macOS, Windows, Linux) excluding Web due to gRPC dart:io dependency
• analysis_options.yaml: exclude lib/src/proto/** from analyzer to suppress warnings in auto-generated Protobuf files

Changed

• pubspec.yaml: version bumped to 0.0.3-dev

Status

Phase 1 completed. Not ready for production use. pana score: 130/160. Phase 2 starting: Cryptography and Account Management.

0.0.2-dev

Phase 1 completed - SDK foundation and architecture.

Added

• HederaStatusException: typed exception for Hedera network errors
• HederaStatusCode: typed status codes from response_code.proto with common codes (SUCCESS, INSUFFICIENT_ACCOUNT_BALANCE, INVALID_SIGNATURE, TOKEN_NOT_ASSOCIATED, KYC_NOT_GRANTED, etc.)
• HederaConstants: protocol-level constants for ports, HBAR units, transaction limits, default fees, and network endpoints
• Unit tests for all core classes (60/60 passing)
• Protobuf code generation script (generate_proto.ps1)
• 335 Dart classes generated from 104 Hedera HAPI .proto files

Changed

• HederaClient: updated to use HederaConstants for endpoints, ports, and default fees instead of hardcoded values
• pubspec.yaml: shortened description for pub.dev compliance
• Flutter upgraded to 3.44.0

Status

Phase 1 completed. Not ready for production use. Phase 2 starting: Cryptography and Account Management.

0.0.1-dev

Initial SDK scaffold - Phase 1 in progress.

Added

• Flutter package structure with very_good_analysis linter
• Base model classes: AccountId, TokenId, TransactionId, Hbar
• HederaClient with forTestnet(), forMainnet(), forPreviewnet()
• HederaNetwork enum
• Crypto stubs: PrivateKey, PublicKey, Mnemonic (Phase 2)
• Unit tests: 20/20 passing
• GitHub Actions CI/CD pipeline
• pre_commit.ps1 for local verification

Status

Phase 1 in progress. Not ready for production use. Full feature set coming in v1.0.0.