# Element X ADA - Phase 3 Build Result

**Date:** 2026-03-28
**Branch:** `phase1-dev`
**Commit:** `e33c87c164`
**Status:** ✅ Build Successful

## What Was Built

### 1. Wallet Panel UI (`features/wallet/impl/src/main/kotlin/io/element/android/features/wallet/impl/panel/`)

Created a complete wallet panel with 4 tabs:

**Overview Tab:**
- Balance display with ADA amount
- Testnet indicator when on preprod
- QR code for receiving payments (using zxing)
- Truncated address with tap-to-copy
- "Send ADA" button that navigates to payment flow

**Assets Tab:**
- Lists native tokens held at the wallet address
- Shows token name (decoded from hex if printable)
- Shows truncated policy ID
- Shows quantity

**History Tab:**
- Shows recent transactions
- Direction indicator (sent/received) with color coding
- Formatted date
- Truncated tx hash
- "View in explorer" link (cardanoscan.io or preprod.cardanoscan.io)

**Settings Tab:**
- Full wallet address display with copy button
- Network indicator (Testnet/Mainnet badge)
- Export recovery phrase option (UI only, biometric not wired)
- Delete wallet option (UI only, confirmation not wired)

### 2. Wallet API Models (`features/wallet/api/`)

**NativeAsset.kt:**
- Data class for Cardano native tokens
- Properties: policyId, assetName, quantity, displayName, fingerprint
- Computed properties: truncatedPolicyId, name (with hex→ASCII conversion)

**TxSummary.kt:**
- Data class for transaction history entries
- Properties: txHash, blockTime, totalOutput, fee, direction
- Computed properties: formattedDate, truncatedTxHash, amountAda, explorerUrl()

### 3. CardanoClient Extensions

Added to `CardanoClient` interface:
- `getAddressAssets(address: String): Result<List<NativeAsset>>`
- `getAddressTransactions(address: String, limit: Int = 20): Result<List<TxSummary>>`

Implemented in `KoiosCardanoClient`:
- Both methods use Koios API with retry logic and rate limiting
- Transaction history is simplified (direction detection needs UTXO analysis)

Updated `FakeCardanoClient` with corresponding methods for testing.

### 4. Messages Integration

**Wallet Button in DM Header:**
- Added `isDmRoom` property to `MessagesState`
- Added `onWalletClick` callback to `MessagesView` and `MessagesViewTopBar`
- Wallet button (Chart icon) shows only in DM rooms
- Uses `CompoundIcons.Chart()` as placeholder (Compound lacks a wallet icon)

**Navigation Wiring:**
- Added `NavTarget.WalletPanel` to `MessagesFlowNode`
- Added `navigateToWallet()` to `MessagesNode.Callback`
- Created `WalletPanelNode` with Appyx pattern
- `onSendAda` callback pops panel and pushes PaymentFlow

### 5. String Resources

Added `features/wallet/impl/src/main/res/values/strings.xml` with all wallet panel strings.

## What Was NOT Built (Lower Priority)

1. **Wallet Setup Flow** - The "Set Up Wallet" button UI exists but doesn't navigate to a real setup flow
2. **Recovery Phrase Export** - Settings option exists but biometric authentication flow not wired
3. **Wallet Deletion Confirmation** - Delete option exists but confirmation dialog not implemented
4. **No-wallet guard for /pay** - Not implemented (would need MessageComposerPresenter changes)
5. **Payment timeline card renderer** - Not implemented
6. **Detailed transaction amounts** - History shows total output but needs additional API calls for accurate amounts

## Known Issues

1. **Icon Placeholders:**
   - Wallet icon uses `CompoundIcons.Chart()` (no wallet icon in Compound)
   - Asset icon uses `CompoundIcons.Files()`
   - External link uses `CompoundIcons.PopOut()`
   - Arrow down for received tx uses `CompoundIcons.ArrowDown()` (no ArrowDownLeft)

2. **Transaction History Simplification:**
   - Direction detection is simplified (always RECEIVED)
   - Total output shown but actual sent/received amount needs UTXO analysis

3. **Deprecation Warnings:**
   - `TabRow` deprecated in favor of `PrimaryTabRow`/`SecondaryTabRow`
   - `LocalClipboardManager` deprecated in favor of `LocalClipboard`
   - Cardano client `Account` constructor deprecated

## Build Verification

```
BUILD SUCCESSFUL in 1m 37s
3828 actionable tasks: 24 executed, 1 from cache, 3803 up-to-date
```

Full Gplay debug flavor builds successfully. APK available at:
`/tmp/element-x-android/app/build/outputs/apk/gplay/debug/`

## Files Changed (24 files)

**New Files:**
- `features/wallet/api/.../NativeAsset.kt`
- `features/wallet/api/.../TxSummary.kt`
- `features/wallet/impl/.../panel/WalletPanelNode.kt`
- `features/wallet/impl/.../panel/WalletPanelPresenter.kt`
- `features/wallet/impl/.../panel/WalletPanelState.kt`
- `features/wallet/impl/.../panel/WalletPanelView.kt`
- `features/wallet/impl/.../panel/tabs/AssetsTabView.kt`
- `features/wallet/impl/.../panel/tabs/HistoryTabView.kt`
- `features/wallet/impl/.../panel/tabs/OverviewTabView.kt`
- `features/wallet/impl/.../panel/tabs/SettingsTabView.kt`
- `features/wallet/impl/src/main/res/values/strings.xml`

**Modified Files:**
- `features/wallet/api/.../CardanoClient.kt`
- `features/wallet/impl/build.gradle.kts`
- `features/wallet/impl/.../cardano/KoiosCardanoClient.kt`
- `features/wallet/test/.../FakeCardanoClient.kt`
- `features/messages/impl/.../MessagesFlowNode.kt`
- `features/messages/impl/.../MessagesNode.kt`
- `features/messages/impl/.../MessagesPresenter.kt`
- `features/messages/impl/.../MessagesState.kt`
- `features/messages/impl/.../MessagesStateProvider.kt`
- `features/messages/impl/.../MessagesView.kt`
- `features/messages/impl/.../MessagesViewWithIdentityChangePreview.kt`
- `features/messages/impl/.../ThreadedMessagesNode.kt`
- `features/messages/impl/.../topbars/MessagesViewTopBar.kt`

## Next Steps

1. Add proper wallet icon to Compound design system or use custom icon
2. Implement wallet setup flow navigation
3. Wire biometric authentication for recovery phrase export
4. Add wallet deletion confirmation dialog
5. Implement no-wallet guard in MessageComposerPresenter for /pay command
6. Create payment timeline card renderer for m.payment events
7. Enhance transaction history with accurate amount calculation