flutter_wallet_validator 0.1.4

A blockchain wallet address validator for multiple networks (CORE, EVM, Bitcoin, Solana, Cardano). Validates formats and checksums.

Changelog

0.1.4

• Added checksum-aware Bech32 and Bech32m decoding.
• Added witness-version and witness-program validation for Bitcoin and Litecoin native SegWit addresses.
• Added checksum and payload validation for Bitcoin Cash, Cardano, Cosmos, Polkadot SS58, Algorand, Stellar, Ripple, and Tron addresses.
• Added exact decoded-key-length validation for Solana addresses.
• Restricted Bitcoin, Litecoin, and Tron Base58Check validation by network version and payload length.
• Fixed Tron addresses being classified as Solana and XRP addresses being rejected by the Solana validator.
• Fixed uppercase ICAN testnet addresses bypassing the testnet option.
• Added corrupted-checksum, testnet, and cross-network regression tests.
• Corrected the documented EVM network identifier to evm.
• Updated convert to 3.1.2 and crypto to 3.0.7.
• Updated the development lint rules to flutter_lints 6.0.0.
• Refreshed transitive dependencies for Flutter 3.44.9 and Dart 3.12.2.
• Updated issue forms and continuous-integration validation.
• Verified formatting, static analysis, tests, package publication, and a web consumer build.

0.1.3

• Updated pubspec.yaml
• Upgraded dependencies

0.1.2

• Changed the package description

0.1.1

• Better description
• Commented code

0.1.0

Initial release of the Flutter Wallet Validator package.

Features

• ✨ Comprehensive blockchain address validation
• 🌐 Support for multiple networks:
  • Algorand
  • Bitcoin (Legacy, SegWit, Native SegWit)
  • Bitcoin Cash
  • Cardano (Mainnet, Testnet, Stake addresses)
  • Core (ICAN)
  • Cosmos ecosystem (Cosmos, Osmosis, Juno, etc.)
  • NS domains (ENS standard with subdomain and emoji support)
  • EVM-compatible chains (Ethereum, Polygon, BSC, etc.)
  • Litecoin (Legacy, SegWit, Native SegWit)
  • Polkadot
  • Ripple (XRP)
  • Solana
  • Stellar
  • Tron
• 🔒 Type-safe implementation with null safety
• ⚡ Efficient Base58Check validation
• 🧪 Comprehensive test coverage
• 📱 Support for all Flutter platforms including WASM

Implementation Details

• Proper checksum validation for EVM addresses
• ICAN address format validation with checksum
• NS domain validation with length checks and emoji support
• Base58Check implementation for Bitcoin-like addresses
• Bech32 support for Native SegWit addresses
• Cross-network validation to prevent address conflicts

Technical Requirements

• Dart SDK: >=3.5.0 <4.0.0
• Flutter: >=3.29.1
• Platforms: Android, iOS, Web, macOS, Windows, Linux, WASM