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Bicrypto - Crypto Trading Platform, Exchanges, KYC, Charting Library, Wallets, Binary Trading, News v5.6.2 + Addons
= Update Note
**Tags:** ECOSYSTEM TRADING, WEBSOCKET, ORDER MANAGEMENT, UI IMPROVEMENTS, REAL-TIME UPDATES
## Fixed
### Ecosystem Order Management
- **Order Cancellation Timestamp**: Fixed "Invalid date" error when canceling ecosystem orders - now correctly passes order's createdAt timestamp instead of Date.now()
- **Balance Updates**: Fixed spendable balance not updating in real-time after order cancellation - now broadcasts wallet update events
- **100% Orders**: Fixed 100% order placement failing due to fee not being subtracted from available balance
- **Sell Orders**: Fixed 100% SELL orders failing with "insufficient balance" error - now correctly calculates spendable balance (balance - inOrder)
- **Negative Balance**: Fixed asset balance going negative due to double-locking when creating orders - now properly uses spendable balance calculations
- **Amount Field Bug**: Fixed "untitled" text appearing in amount field after order submission - changed to empty string
### WebSocket Improvements
- **Orders WebSocket**: Created dedicated orders WebSocket service (`orders-ws.ts`) separate from market data WebSocket to prevent message routing conflicts
- **Connection IDs**: Fixed WebSocket messages being sent to wrong connections by using unique connection IDs (`orders-eco`, `orders-spot`, `orders-futures`)
- **Persistent Connection**: Moved orders WebSocket initialization to trading-layout level so connection stays alive even when orders panel is collapsed
- **Message Routing**: Fixed notifications and announcements being sent to all WebSocket connections - now only sent to `/api/user` connection using `sendToClientOnRoute()`
- **Partial Fills**: Fixed partial fills not appearing in real-time - now broadcasts order updates after each match in matchmaking
### Market Panel
- **isEco Flag**: Fixed eco market flag being lost when ticker data updates - now preserves all original market properties using spread operator pattern
- **Property Preservation**: Changed market update pattern from manual reconstruction to spread operator (`{...market, ...tickerUpdates}`) to prevent losing properties
## Improved
### Trading Interface
- **Fee Calculations**: Enhanced all order forms (limit, market, stop) to properly calculate fees for 100% orders
- BUY orders: `amount = availableBalance / (price * (1 + takerFee))`
- SELL orders: Use full balance (fee deducted from proceeds)
- **Fee Display**: Added trading fee display in order form UI showing fee percentage and estimated fee amount
- **Amount Precision**: Improved amount calculations using `Math.floor()` for proper rounding instead of hardcoded buffers
### Orders Panel - Fill Progress
- **Filled/Amount Display**: Enhanced Open Orders table to show "Filled / Amount" instead of just "Amount"
- **Visual Progress Bar**: Added color-coded progress bar (green for BUY, red for SELL) showing fill percentage
- **Real-time Updates**: Partial fills now update instantly via WebSocket without page reload
- **Compact Layout**: Optimized column width with `min-w-[120px]` for better space utilization
- **Percentage Indicator**: Shows fill percentage (e.g., "2%") next to progress bar for instant clarity
### Fee Handling
- **Taker/Maker Fees**: Properly passes market-specific taker and maker fees from market metadata to order forms
- **Dynamic Fee Rates**: Fees are now pulled from market configuration instead of being hardcoded
- **Fee Transparency**: Users can see exact fee amount before placing orders
## Added
### WebSocket Architecture
- **Orders WebSocket Service**: New dedicated service (`/services/orders-ws.ts`) for handling order updates
- Supports multiple market types (spot, eco, futures)
- Connection status tracking per market type
- Automatic reconnection handling
- Message caching for late subscribers
- **Message Broker Improvements**: Enhanced `sendToClientOnRoute()` method for route-specific WebSocket messaging
### Real-time Order Updates
- **Partial Fill Broadcasting**: Orders now broadcast updates after each match in the matching engine
- **Live Progress**: Users see their orders getting filled in real-time with visual progress indicators
- **Multi-user Updates**: Both buyer and seller receive instant updates when orders partially fill
## Technical Improvements
### Code Quality
- **Removed Debug Logs**: Cleaned up verbose console logging from production code:
- Ecosystem orders API logs
- Scylla query execution logs
- Orders WebSocket connection logs
- Trading layout initialization logs
- **Better Error Handling**: Kept only essential error logging for debugging real issues
### WebSocket Performance
- **Connection Management**: Single persistent connection per market type at layout level
- **Efficient Callbacks**: Panels register/unregister callbacks without affecting connection
- **No Duplicate Messages**: Fixed duplicate order broadcasts in matching engine
### Balance Calculations
- **Spendable Balance**: Wallet endpoint now returns `balance - inOrder` for accurate available balance
- **Order Validation**: Pre-flight checks use spendable balance to prevent insufficient balance errors
IMPORTANT: Before running pnpm updator, manually delete /frontend/middleware.ts file if it exists