feat: add Lattice1 hardware wallet support for Cosmos, Ethereum, and Bitcoin#1753
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yilmazbahadir wants to merge 13 commits intochainapsis:developfrom
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feat: add Lattice1 hardware wallet support for Cosmos, Ethereum, and Bitcoin#1753yilmazbahadir wants to merge 13 commits intochainapsis:developfrom
yilmazbahadir wants to merge 13 commits intochainapsis:developfrom
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- Add Bitcoin message signing support for Lattice1 devices - Add Bitcoin transaction (PSBT) signing support for Lattice1 - Implement Lattice1 Bitcoin signing utilities (ECDSA messages and PSBT transactions) - Add Bitcoin public key derivation support in KeyRingLattice1Service - Filter and enable Bitcoin chains for Lattice1 during registration - Support Bitcoin purposes 44, 49, and 84 (Legacy, SegWit, Native SegWit) - Add Lattice1GuideBox components to Bitcoin signing views - Handle Lattice1-specific signing constraints (SIGHASH_ALL only, single recipient)
- Remove IOV (coin type 234) from default paths - Add coin type 505 to default paths - Add THORChain (coin type 931) to default paths - Update DEFAULT_COIN_TYPES array to reflect changes
Apply yarn patch to gridplus-sdk@4.0.0 to include PR chainapsis#714 changes. This patch enables required functionality for Lattice1 hardware wallet support. - Update gridplus-sdk dependency to use yarn patch - Add patch configuration to root package.json - Update yarn.lock with patch resolution
…tice1 signing Extract signature normalization into reusable utilities and refactor signing handlers to use them. Fix Lattice1 Cosmos encoding type and improve type safety for Bitcoin purpose checking.
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- Change normalizeScalarHex return type from Buffer to Uint8Array - Update Bitcoin signing handler to use Uint8Array types - Fix hasValidBaseURL method visibility in price-changes store
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Summary
This PR adds comprehensive support for Lattice1 hardware wallet integration, enabling users to connect and sign transactions for Cosmos, Ethereum (EVM), and Bitcoin chains.
Key Changes
Backend Services
packages/background/src/keyring-lattice1/)Signing Support
m/84'/0'/0'/0/0(mainnet) +m/84'/1'/0'/0/0(testnet)UI Components
Integration Points
Dependencies
gridplus-sdk@^4.0.0for Lattice1 device communication (for now patched for advanced Cosmos signing)Localization
Technical Details
Testing Considerations
Screenshots