element-x-ada/PHASE1-STATUS.md

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# Phase 1 Implementation Status
Last Updated: 2026-03-27T21:52:00-07:00
## Build Status
- **Compile**: ✅ BUILD SUCCESSFUL
- **Unit Tests**: ✅ 163 tests pass, 0 failures
- **Test Coverage**: Core wallet, transaction, and payment flow logic
## Completed Components
### Core Wallet Infrastructure
-`CardanoWalletManager` - wallet state management with StateFlow
-`CardanoKeyStorage` - encrypted mnemonic storage with biometric protection
-`SeedPhraseManager` - BIP39 mnemonic generation/validation
-`BiometricAuthenticator` - biometric authentication wrapper
-`CardanoNetworkConfig` - testnet (preprod) configuration
### Transaction Building
-`DefaultTransactionBuilder` - transaction construction using cardano-client-lib
-`KoiosCardanoClient` - Koios API integration for UTXOs and protocol params
-`PaymentStatusPoller` - transaction confirmation polling
- ✅ Fee calculation from protocol parameters
### Payment Flow
-`/pay` slash command parsing
- ✅ Payment entry UI with validation
- ✅ Payment confirmation UI with fee display
- ✅ Payment progress UI with status tracking
- ✅ Payment event sending (using marker prefix format)
### Timeline Integration
-`TimelineItemPaymentContent` - payment card data model
-`TimelineItemContentPaymentFactory` - payment event parsing
- ✅ Custom event type handling via `MsgLikeKind.Other`
## Known Limitations
### sendRaw() SDK Binding
The Matrix Rust SDK does not currently expose `sendRaw()` for sending custom event types through the Timeline interface. Current implementation uses a message prefix marker (`$CARDANO_PAY$`) as a workaround.
**Impact**: Payment events appear as messages with special prefix instead of custom Matrix event types.
**Resolution**: When the Rust SDK adds Timeline.sendRaw() support, update:
1. `RustTimeline.kt` - implement actual call to `inner.sendRaw()`
2. `DefaultPaymentEventSender.kt` - switch from marker prefix to raw events
3. `TimelineItemContentFactory` - handle native custom events
The receiving side (`TimelineEventContentMapper`) already handles `CustomEventContent` from `MsgLikeKind.Other`.
## Test Summary
| Module | Tests | Status |
|--------|-------|--------|
| CardanoNetworkConfigTest | 7 | ✅ Pass |
| CardanoWalletManagerTest | 9 | ✅ Pass |
| PaymentStatusPollerTest | 4 | ✅ Pass |
| PaymentConfirmationPresenterTest | 4 | ✅ Pass |
| PaymentEntryPresenterTest | 8 | ✅ Pass |
| PaymentProgressPresenterTest | 7 | ✅ Pass |
| TimelineItemPaymentContentTest | 13 | ✅ Pass |
| TimelineItemContentPaymentFactoryTest | 14 | ✅ Pass |
| + Other wallet tests | ~97 | ✅ Pass |
| **Total** | **163** | ✅ Pass |
## Next Steps (Phase 2)
1. **Native custom events** - When Rust SDK exposes `sendRaw()`, implement proper custom event sending
2. **Address book** - Store/lookup Cardano addresses for Matrix users
3. **Payment receipts** - Store payment history locally
4. **QR code scanning** - For receiving addresses
5. **Mainnet support** - Configuration toggle and safety checks
## Commits
- `feb99a2518` - fix(wallet): document sendRaw SDK limitation, fix all unit test failures — Phase 1 clean