Files
grimoire/src/lib
Alejandro c94203852e feat: detect and display zap payments in NWC wallet viewer (#140)
* feat: detect and display zap payments in NWC wallet viewer

Add intelligent zap payment detection and enhanced display in the NWC wallet transaction list and detail views.

Changes:
- Add wallet-utils.ts with zap request parsing (kind 9734 detection)
- Parse zap requests from transaction descriptions with LRU caching (500 entry limit)
- Display username + message preview in transaction list with  indicator
- Show full zap details in transaction detail dialog:
  - Zapper name (clickable UserName component)
  - Full zap message with RichText formatting
  - Zapped post rendered inline using KindRenderer
  - Loading states for event fetching
- Follow React Hooks rules (unconditional hook calls)
- Type-safe implementation with proper pointer handling

Technical notes:
- parseZapRequest() extracts sender, message, and event pointers from JSON-embedded zap requests
- Caching prevents redundant JSON parsing on re-renders
- Supports both event IDs (e tag) and address coordinates (a tag)
- parseAddressCoordinate() handles kind:pubkey:identifier format

* refactor: use applesauce caching pattern and RichText for zaps

Improvements:
- Replace Map-based cache with getOrComputeCachedValue pattern
  - Cache parsed zap requests on transaction objects using Symbol
  - Follows applesauce convention for computed value caching
  - More memory-efficient than global Map cache
- Use RichText component for zap messages in transaction list
  - Supports links, mentions, and other rich formatting
  - CSS truncation instead of JS string manipulation
- Update parseZapRequest to accept transaction object instead of description string
  - Enables proper caching on the transaction object
  - Cleaner API surface

Technical changes:
- Remove getZapMessagePreview() helper (now using CSS truncate)
- Add getOrComputeCachedValue import from applesauce-core/helpers
- Update all parseZapRequest call sites to pass transaction object
- Wrap zap message in RichText component for proper formatting

* feat: enhance zap display with RichText context and scrollable details

Improvements:
- Pass zap request event as context to RichText components
  - Enables proper mention/link resolution in zap messages
  - Supports interactive elements (mentions, hashtags, links)
  - Provides full event context for rendering
- Make transaction detail dialog scrollable
  - Add max-h-[90vh] to DialogContent with flex layout
  - Wrap content in overflow-y-auto container with max-h-[calc(90vh-8rem)]
  - Prevents dialog overflow when displaying large zapped posts
  - Smooth scrolling for long zap message threads
- Reduce transaction page size from 20 to 10
  - Better performance with rich zap rendering
  - Faster initial load and scroll rendering
  - Reduces memory footprint for transaction list

Technical changes:
- Add zapRequestEvent field to ZapRequestInfo interface
- Pass zapRequestEvent to all RichText components rendering zap messages
- Update BATCH_SIZE constant from 20 to 10
- Add flex layout to DialogContent for proper scrolling
- Add pr-2 padding to scrollable container for visual spacing

* revert: restore BATCH_SIZE to 20 transactions

* refactor: improve zap transaction list item UI

Changes:
- Use UserName component for zapper display (applies accent color)
- Remove colon separator between username and message
- Keep username and message on single line with proper truncation
- Remove unused imports (getDisplayName, useProfile)
- Reduce transaction detail dialog max height from 90vh to 70vh
  - More compact display for better UX
  - Prevents excessive white space

UI improvements:
- Zap icon + UserName (accent color) + message all on one line
- UserName component is flex-shrink-0 to prevent squishing
- Message text truncates with CSS overflow
- Cleaner, more compact visual hierarchy

* fix: improve spacing and truncation in zap transaction items

- Increase gap between username and message from gap-1 to gap-2 (0.5rem)
- Add min-w-0 to message span for proper ellipsis truncation in flex
- Remove duplicate truncate class from parent div to prevent conflicts
- Message now properly shows ellipsis (...) when it doesn't fit on one line

* feat: add line-clamp and expandable raw transaction view

Changes:
- Replace truncate with line-clamp-1 on zap message for proper single-line clamping
- Add expandable 'Show Raw Transaction' section in transaction detail dialog
  - Collapsible with ChevronRight/ChevronDown icons
  - Shows JSON.stringify(transaction, null, 2) in scrollable pre block
  - Uses CodeCopyButton component for consistent copy UX
  - Max height 60 (15rem) with overflow-y-auto for long transactions
- Add state management for raw transaction expansion and copy status
- Reset raw transaction state when dialog closes

UI improvements:
- Clean expansion interaction with hover effects
- Properly formatted JSON with 2-space indentation
- Accessible copy button with aria-label
- Auto-collapses when closing the dialog

* feat: parse zap requests from invoice description as fallback

Enhance zap request parsing to check multiple sources:
- First try transaction.description (primary source)
- If not found, decode the Lightning invoice and check its description field
- This handles cases where the zap request is embedded in the invoice

Changes:
- Extract parsing logic into tryParseZapRequestJson() helper
- Add invoice field to parseZapRequest() transaction parameter
- Import light-bolt11-decoder to decode invoices
- Try invoice description as fallback when tx description doesn't contain zap
- Maintain applesauce caching pattern on transaction object

This ensures zap payments are detected and displayed correctly regardless
of where the zap request JSON is stored (tx description vs invoice description).

---------

Co-authored-by: Claude <noreply@anthropic.com>
2026-01-18 21:52:44 +01:00
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