libwallet 0.3.1

Dart client for libwallet — a multi-chain cryptocurrency wallet library with TSS (Threshold Signature Scheme) key management. Supports EVM chains, Bitcoin, and Solana via direct FFI to the Go library.

0.3.1

• Bitcoin HD address support: bitcoin-type accounts now derive multi-address HD trees under their account xpub. Balance queries call modchain_assets(xpub) which scans 0..lastI+20 child keys (BIP-44 style gap limit) server-side.
• New AccountApi.xpub(id): returns the BIP-32 extended public key.
• New AccountApi.nextAddress(id): returns the next clean receive (or change) address based on on-chain scan.
• New AccountApi.allAddresses(id): lists all HD addresses across receive and change chains with activity markers.
• Account.Address now points to m/0/0 (first receive address) instead of m/0 for Bitcoin-family accounts. BTC/LTC/DOGE/BCH supported.

0.3.0

• EIP-1559 transactions: Auto-selected when the chain supports it. New maxFeePerGas and maxPriorityFeePerGas fields on Transaction.
• ERC-20 transfers: New erc20_transfer transaction type. Pass a token XUID in Asset, recipient in To, and amount — libwallet encodes the transfer(address,uint256) call automatically.
• ENS / SNS name resolution: New client.names.resolve('vitalik.eth') API. Auto-detects .eth (Ethereum) and .sol (Solana) suffixes.
• Solana devnet: Routes to the correct Helius devnet RPC endpoint when using a Solana network with chainId: "devnet".
• Local dev: hook/build.dart now prefers a local testserver/liblibwallet.<ext> over downloading from GitHub Releases.
• Fix: macOS dylibs built with -headerpad_max_install_names so Dart can bundle them without relinking.

0.2.0

• Auto-download native binaries from GitHub Releases at build time
• CI testing on macOS, Android emulator, and iOS simulator
• 43 integration tests covering all API endpoints
• Full dartdoc on all model fields (~130 fields)
• Comprehensive README with usage examples

0.1.0

• Initial release
• FFI transport with NativeCallable.listener for Go→Dart callbacks
• 17 typed API classes covering all libwallet endpoints
• 15 model classes with full dartdoc
• Socket transport as legacy fallback
• Native asset hook for pub.dev binary distribution