14. finishing connectors

.kiro/specs/multi-exchange-data-aggregation/tasks.md

@@ -134,6 +134,7 @@
 
 
 
+
   - Write integration tests with existing orchestrator code
   - _Requirements: 6.1, 6.2, 6.3, 6.4, 6.5_
 

COBY/connectors/base_connector.py

@@ -9,7 +9,7 @@ import json
 from abc import ABC, abstractmethod
 from typing import Dict, List, Optional, Callable, Any
 from datetime import datetime, timedelta
-from enmodels.core import ConnectionStatus, OrderBookSnapshot, TradeEvent
+from ..models.core import ConnectionStatus, OrderBookSnapshot, TradeEvent
 from ..utils.logging import get_logger, set_correlation_id
 from ..utils.exceptions import ConnectionError, ValidationError
 from ..utils.timing import get_current_timestamp

COBY/connectors/bitfinex_connector.py

@@ -43,7 +43,8 @@ class BitfinexConnector(BaseExchangeConnector):
             'subscribed': self._handle_subscription_response,
             'unsubscribed': self._handle_unsubscription_response,
             'error': self._handle_error_message,
-            'info': self._handle_info_message
+            'info': self._handle_info_message,
+            'data': self._handle_data_message
         })
         
         # Channel management
@@ -150,13 +151,75 @@ class BitfinexConnector(BaseExchangeConnector):
     
     async def unsubscribe_orderbook(self, symbol: str) -> None:
         """Unsubscribe from order book updates."""
-        # Implementation would find the channel ID and send unsubscribe message
+        try:
-        pass
+            bitfinex_symbol = self.normalize_symbol(symbol)
+            
+            # Find channel ID for this symbol's order book
+            channel_id = None
+            for cid, info in self.channels.items():
+                if info.get('channel') == 'book' and info.get('symbol') == bitfinex_symbol:
+                    channel_id = cid
+                    break
+            
+            if channel_id:
+                unsubscription_msg = {
+                    "event": "unsubscribe",
+                    "chanId": channel_id
+                }
+                
+                success = await self._send_message(unsubscription_msg)
+                if success:
+                    if symbol in self.subscriptions and 'orderbook' in self.subscriptions[symbol]:
+                        self.subscriptions[symbol].remove('orderbook')
+                        if not self.subscriptions[symbol]:
+                            del self.subscriptions[symbol]
+                    
+                    self.subscribed_symbols.discard(bitfinex_symbol)
+                    logger.info(f"Unsubscribed from order book for {symbol} on Bitfinex")
+                else:
+                    logger.error(f"Failed to unsubscribe from order book for {symbol} on Bitfinex")
+            else:
+                logger.warning(f"No active order book subscription found for {symbol}")
+                
+        except Exception as e:
+            logger.error(f"Error unsubscribing from order book for {symbol}: {e}")
+            raise
     
     async def unsubscribe_trades(self, symbol: str) -> None:
         """Unsubscribe from trade updates."""
-        # Implementation would find the channel ID and send unsubscribe message
+        try:
-        pass
+            bitfinex_symbol = self.normalize_symbol(symbol)
+            
+            # Find channel ID for this symbol's trades
+            channel_id = None
+            for cid, info in self.channels.items():
+                if info.get('channel') == 'trades' and info.get('symbol') == bitfinex_symbol:
+                    channel_id = cid
+                    break
+            
+            if channel_id:
+                unsubscription_msg = {
+                    "event": "unsubscribe",
+                    "chanId": channel_id
+                }
+                
+                success = await self._send_message(unsubscription_msg)
+                if success:
+                    if symbol in self.subscriptions and 'trades' in self.subscriptions[symbol]:
+                        self.subscriptions[symbol].remove('trades')
+                        if not self.subscriptions[symbol]:
+                            del self.subscriptions[symbol]
+                    
+                    self.subscribed_symbols.discard(bitfinex_symbol)
+                    logger.info(f"Unsubscribed from trades for {symbol} on Bitfinex")
+                else:
+                    logger.error(f"Failed to unsubscribe from trades for {symbol} on Bitfinex")
+            else:
+                logger.warning(f"No active trades subscription found for {symbol}")
+                
+        except Exception as e:
+            logger.error(f"Error unsubscribing from trades for {symbol}: {e}")
+            raise
     
     async def get_symbols(self) -> List[str]:
         """Get available symbols from Bitfinex."""
@@ -256,6 +319,127 @@ class BitfinexConnector(BaseExchangeConnector):
         """Handle info message."""
         logger.info(f"Bitfinex info: {data}")
     
+    async def _handle_data_message(self, data: List) -> None:
+        """Handle data message from Bitfinex."""
+        try:
+            if len(data) < 2:
+                return
+            
+            channel_id = data[0]
+            message_data = data[1]
+            
+            if channel_id not in self.channels:
+                logger.warning(f"Received data for unknown channel: {channel_id}")
+                return
+            
+            channel_info = self.channels[channel_id]
+            channel_type = channel_info.get('channel')
+            symbol = channel_info.get('symbol', '')
+            
+            if channel_type == 'book':
+                await self._handle_orderbook_data(message_data, symbol)
+            elif channel_type == 'trades':
+                await self._handle_trades_data(message_data, symbol)
+                
+        except Exception as e:
+            logger.error(f"Error handling data message: {e}")
+    
+    async def _handle_orderbook_data(self, data, symbol: str) -> None:
+        """Handle order book data from Bitfinex."""
+        try:
+            set_correlation_id()
+            
+            if not isinstance(data, list):
+                return
+            
+            standard_symbol = self._denormalize_symbol(symbol)
+            
+            # Handle snapshot vs update
+            if len(data) > 0 and isinstance(data[0], list):
+                # Snapshot - array of [price, count, amount]
+                bids = []
+                asks = []
+                
+                for level in data:
+                    if len(level) >= 3:
+                        price = float(level[0])
+                        count = int(level[1])
+                        amount = float(level[2])
+                        
+                        if validate_price(price) and validate_volume(abs(amount)):
+                            if amount > 0:
+                                bids.append(PriceLevel(price=price, size=amount))
+                            else:
+                                asks.append(PriceLevel(price=price, size=abs(amount)))
+                
+                orderbook = OrderBookSnapshot(
+                    symbol=standard_symbol,
+                    exchange=self.exchange_name,
+                    timestamp=datetime.now(timezone.utc),
+                    bids=bids,
+                    asks=asks
+                )
+                
+                self._notify_data_callbacks(orderbook)
+                logger.debug(f"Processed order book snapshot for {standard_symbol}")
+            
+        except Exception as e:
+            logger.error(f"Error handling order book data: {e}")
+    
+    async def _handle_trades_data(self, data, symbol: str) -> None:
+        """Handle trades data from Bitfinex."""
+        try:
+            set_correlation_id()
+            
+            if not isinstance(data, list):
+                return
+            
+            standard_symbol = self._denormalize_symbol(symbol)
+            
+            # Handle snapshot vs update
+            if len(data) > 0 and isinstance(data[0], list):
+                # Snapshot - array of trades
+                for trade_data in data:
+                    await self._process_single_trade(trade_data, standard_symbol)
+            elif len(data) >= 4:
+                # Single trade update
+                await self._process_single_trade(data, standard_symbol)
+                
+        except Exception as e:
+            logger.error(f"Error handling trades data: {e}")
+    
+    async def _process_single_trade(self, trade_data: List, symbol: str) -> None:
+        """Process a single trade from Bitfinex."""
+        try:
+            if len(trade_data) < 4:
+                return
+            
+            trade_id = str(trade_data[0])
+            timestamp = int(trade_data[1]) / 1000  # Convert to seconds
+            amount = float(trade_data[2])
+            price = float(trade_data[3])
+            
+            if not validate_price(price) or not validate_volume(abs(amount)):
+                return
+            
+            side = 'buy' if amount > 0 else 'sell'
+            
+            trade = TradeEvent(
+                symbol=symbol,
+                exchange=self.exchange_name,
+                timestamp=datetime.fromtimestamp(timestamp, tz=timezone.utc),
+                price=price,
+                size=abs(amount),
+                side=side,
+                trade_id=trade_id
+            )
+            
+            self._notify_data_callbacks(trade)
+            logger.debug(f"Processed trade for {symbol}: {side} {abs(amount)} @ {price}")
+            
+        except Exception as e:
+            logger.error(f"Error processing single trade: {e}")
+    
     def get_bitfinex_stats(self) -> Dict[str, Any]:
         """Get Bitfinex-specific statistics."""
         base_stats = self.get_stats()

COBY/connectors/mexc_connector.py

@@ -251,23 +251,161 @@ class MEXCConnector(BaseExchangeConnector):
     
     async def _handle_orderbook_update(self, data: Dict) -> None:
         """Handle order book update from MEXC."""
-        # Implementation would parse MEXC-specific order book update format
+        try:
-        logger.debug("Received MEXC order book update")
+            set_correlation_id()
+            
+            symbol_data = data.get('s', '')  # Symbol
+            if not symbol_data:
+                logger.warning("Order book update missing symbol")
+                return
+            
+            symbol = symbol_data  # Already in standard format
+            order_data = data.get('d', {})
+            
+            # Parse bids and asks
+            bids = []
+            for bid_data in order_data.get('bids', []):
+                price = float(bid_data[0])
+                size = float(bid_data[1])
+                
+                if validate_price(price) and validate_volume(size):
+                    bids.append(PriceLevel(price=price, size=size))
+            
+            asks = []
+            for ask_data in order_data.get('asks', []):
+                price = float(ask_data[0])
+                size = float(ask_data[1])
+                
+                if validate_price(price) and validate_volume(size):
+                    asks.append(PriceLevel(price=price, size=size))
+            
+            # Create order book snapshot
+            orderbook = OrderBookSnapshot(
+                symbol=symbol,
+                exchange=self.exchange_name,
+                timestamp=datetime.fromtimestamp(int(data.get('t', 0)) / 1000, tz=timezone.utc),
+                bids=bids,
+                asks=asks,
+                sequence_id=order_data.get('lastUpdateId')
+            )
+            
+            # Notify callbacks
+            self._notify_data_callbacks(orderbook)
+            
+            logger.debug(f"Processed order book update for {symbol}")
+            
+        except Exception as e:
+            logger.error(f"Error handling order book update: {e}")
     
     async def _handle_orderbook_snapshot(self, data: Dict) -> None:
         """Handle order book snapshot from MEXC."""
-        # Implementation would parse MEXC-specific order book snapshot format
+        try:
-        logger.debug("Received MEXC order book snapshot")
+            set_correlation_id()
+            
+            symbol_data = data.get('s', '')  # Symbol
+            if not symbol_data:
+                logger.warning("Order book snapshot missing symbol")
+                return
+            
+            symbol = symbol_data  # Already in standard format
+            order_data = data.get('d', {})
+            
+            # Parse bids and asks
+            bids = []
+            for bid_data in order_data.get('bids', []):
+                price = float(bid_data[0])
+                size = float(bid_data[1])
+                
+                if validate_price(price) and validate_volume(size):
+                    bids.append(PriceLevel(price=price, size=size))
+            
+            asks = []
+            for ask_data in order_data.get('asks', []):
+                price = float(ask_data[0])
+                size = float(ask_data[1])
+                
+                if validate_price(price) and validate_volume(size):
+                    asks.append(PriceLevel(price=price, size=size))
+            
+            # Create order book snapshot
+            orderbook = OrderBookSnapshot(
+                symbol=symbol,
+                exchange=self.exchange_name,
+                timestamp=datetime.fromtimestamp(int(data.get('t', 0)) / 1000, tz=timezone.utc),
+                bids=bids,
+                asks=asks,
+                sequence_id=order_data.get('lastUpdateId')
+            )
+            
+            # Notify callbacks
+            self._notify_data_callbacks(orderbook)
+            
+            logger.debug(f"Processed order book snapshot for {symbol}")
+            
+        except Exception as e:
+            logger.error(f"Error handling order book snapshot: {e}")
     
     async def _handle_trade_update(self, data: Dict) -> None:
         """Handle trade update from MEXC."""
-        # Implementation would parse MEXC-specific trade format
+        try:
-        logger.debug("Received MEXC trade update")
+            set_correlation_id()
+            
+            symbol_data = data.get('s', '')  # Symbol
+            if not symbol_data:
+                logger.warning("Trade update missing symbol")
+                return
+            
+            symbol = symbol_data  # Already in standard format
+            trade_data = data.get('d', {})
+            
+            # MEXC trade data format
+            trades = trade_data.get('deals', [])
+            
+            for trade_info in trades:
+                price = float(trade_info.get('p', 0))
+                quantity = float(trade_info.get('v', 0))
+                
+                # Validate data
+                if not validate_price(price) or not validate_volume(quantity):
+                    logger.warning(f"Invalid trade data: price={price}, quantity={quantity}")
+                    continue
+                
+                # Determine side (MEXC uses 'S' field: 1=buy, 2=sell)
+                side_code = trade_info.get('S', 0)
+                side = 'buy' if side_code == 1 else 'sell'
+                
+                # Create trade event
+                trade = TradeEvent(
+                    symbol=symbol,
+                    exchange=self.exchange_name,
+                    timestamp=datetime.fromtimestamp(int(trade_info.get('t', 0)) / 1000, tz=timezone.utc),
+                    price=price,
+                    size=quantity,
+                    side=side,
+                    trade_id=str(trade_info.get('i', ''))
+                )
+                
+                # Notify callbacks
+                self._notify_data_callbacks(trade)
+                
+                logger.debug(f"Processed trade for {symbol}: {side} {quantity} @ {price}")
+            
+        except Exception as e:
+            logger.error(f"Error handling trade update: {e}")
     
     async def _handle_pong(self, data: Dict) -> None:
         """Handle pong response from MEXC."""
         logger.debug("Received MEXC pong")
     
+    async def _send_ping(self) -> None:
+        """Send ping to keep connection alive."""
+        try:
+            ping_msg = {"method": "PING"}
+            await self._send_message(ping_msg)
+            logger.debug("Sent ping to MEXC")
+        except Exception as e:
+            logger.error(f"Error sending ping: {e}")
+    
     def get_mexc_stats(self) -> Dict[str, Any]:
         """Get MEXC-specific statistics."""
         base_stats = self.get_stats()

COBY/tests/test_all_connectors.py

@@ -13,6 +13,10 @@ from ..connectors.kraken_connector import KrakenConnector
 from ..connectors.bybit_connector import BybitConnector
 from ..connectors.okx_connector import OKXConnector
 from ..connectors.huobi_connector import HuobiConnector
+from ..connectors.kucoin_connector import KuCoinConnector
+from ..connectors.gateio_connector import GateIOConnector
+from ..connectors.bitfinex_connector import BitfinexConnector
+from ..connectors.mexc_connector import MEXCConnector
 
 
 class TestAllConnectors:
@@ -27,12 +31,16 @@ class TestAllConnectors:
             'kraken': KrakenConnector(),
             'bybit': BybitConnector(use_testnet=True),
             'okx': OKXConnector(use_demo=True),
-            'huobi': HuobiConnector()
+            'huobi': HuobiConnector(),
+            'kucoin': KuCoinConnector(use_sandbox=True),
+            'gateio': GateIOConnector(use_testnet=True),
+            'bitfinex': BitfinexConnector(),
+            'mexc': MEXCConnector()
         }
     
     def test_all_connectors_initialization(self, all_connectors):
         """Test that all connectors initialize correctly."""
-        expected_names = ['binance', 'coinbase', 'kraken', 'bybit', 'okx', 'huobi']
+        expected_names = ['binance', 'coinbase', 'kraken', 'bybit', 'okx', 'huobi', 'kucoin', 'gateio', 'bitfinex', 'mexc']
         
         for name, connector in all_connectors.items():
             assert connector.exchange_name == name
@@ -184,7 +192,11 @@ async def test_connector_compatibility():
         'kraken': KrakenConnector(),
         'bybit': BybitConnector(use_testnet=True),
         'okx': OKXConnector(use_demo=True),
-        'huobi': HuobiConnector()
+        'huobi': HuobiConnector(),
+        'kucoin': KuCoinConnector(use_sandbox=True),
+        'gateio': GateIOConnector(use_testnet=True),
+        'bitfinex': BitfinexConnector(),
+        'mexc': MEXCConnector()
     }
     
     # Test basic functionality

test_connectors_simple.py

@@ -0,0 +1,115 @@
+#!/usr/bin/env python3
+"""
+Simple test to verify all 10 exchange connectors are properly implemented.
+"""
+
+import sys
+import os
+
+# Add the current directory to Python path
+sys.path.insert(0, os.path.abspath('.'))
+
+def test_all_connectors():
+    """Test that all 10 exchange connectors can be imported and initialized."""
+    
+    print("=== Testing All 10 Exchange Connectors ===\n")
+    
+    connectors = {}
+    
+    try:
+        # Import all connectors
+        from COBY.connectors.binance_connector import BinanceConnector
+        from COBY.connectors.coinbase_connector import CoinbaseConnector
+        from COBY.connectors.kraken_connector import KrakenConnector
+        from COBY.connectors.bybit_connector import BybitConnector
+        from COBY.connectors.okx_connector import OKXConnector
+        from COBY.connectors.huobi_connector import HuobiConnector
+        from COBY.connectors.kucoin_connector import KuCoinConnector
+        from COBY.connectors.gateio_connector import GateIOConnector
+        from COBY.connectors.bitfinex_connector import BitfinexConnector
+        from COBY.connectors.mexc_connector import MEXCConnector
+        
+        # Initialize all connectors
+        connectors = {
+            'binance': BinanceConnector(),
+            'coinbase': CoinbaseConnector(use_sandbox=True),
+            'kraken': KrakenConnector(),
+            'bybit': BybitConnector(use_testnet=True),
+            'okx': OKXConnector(use_demo=True),
+            'huobi': HuobiConnector(),
+            'kucoin': KuCoinConnector(use_sandbox=True),
+            'gateio': GateIOConnector(use_testnet=True),
+            'bitfinex': BitfinexConnector(),
+            'mexc': MEXCConnector()
+        }
+        
+        print("✅ All connectors imported successfully!\n")
+        
+    except Exception as e:
+        print(f"❌ Failed to import connectors: {e}")
+        return False
+    
+    # Test each connector
+    success_count = 0
+    total_count = len(connectors)
+    
+    for name, connector in connectors.items():
+        try:
+            print(f"Testing {name.upper()} connector:")
+            
+            # Test basic properties
+            assert connector.exchange_name == name
+            assert hasattr(connector, 'websocket_url')
+            assert hasattr(connector, 'message_handlers')
+            assert hasattr(connector, 'subscriptions')
+            print(f"  ✓ Basic properties: OK")
+            
+            # Test symbol normalization
+            btc_symbol = connector.normalize_symbol('BTCUSDT')
+            eth_symbol = connector.normalize_symbol('ETHUSDT')
+            print(f"  ✓ Symbol normalization: BTCUSDT -> {btc_symbol}, ETHUSDT -> {eth_symbol}")
+            
+            # Test required methods exist
+            required_methods = [
+                'connect', 'disconnect', 'subscribe_orderbook', 'subscribe_trades',
+                'unsubscribe_orderbook', 'unsubscribe_trades', 'get_symbols',
+                'get_orderbook_snapshot', 'get_connection_status'
+            ]
+            
+            for method in required_methods:
+                assert hasattr(connector, method), f"Missing method: {method}"
+                assert callable(getattr(connector, method)), f"Method not callable: {method}"
+            print(f"  ✓ Required methods: All {len(required_methods)} methods present")
+            
+            # Test statistics
+            stats = connector.get_stats()
+            assert isinstance(stats, dict)
+            assert 'exchange' in stats
+            assert stats['exchange'] == name
+            print(f"  ✓ Statistics: {len(stats)} fields")
+            
+            # Test connection status
+            status = connector.get_connection_status()
+            print(f"  ✓ Connection status: {status.value}")
+            
+            print(f"  ✅ {name.upper()} connector: ALL TESTS PASSED\n")
+            success_count += 1
+            
+        except Exception as e:
+            print(f"  ❌ {name.upper()} connector: FAILED - {e}\n")
+    
+    print(f"=== SUMMARY ===")
+    print(f"Total connectors: {total_count}")
+    print(f"Successful: {success_count}")
+    print(f"Failed: {total_count - success_count}")
+    
+    if success_count == total_count:
+        print("🎉 ALL 10 EXCHANGE CONNECTORS WORKING PERFECTLY!")
+        return True
+    else:
+        print(f"⚠️  {total_count - success_count} connectors need attention")
+        return False
+
+if __name__ == "__main__":
+    success = test_all_connectors()
+    sys.exit(0 if success else 1)