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"""
WebSocket API for Data Collection Services
This module provides WebSocket endpoints for real-time data streaming
from all data collection services.
"""
import asyncio
from datetime import datetime
from typing import Any, Dict, Optional
from fastapi import APIRouter, WebSocket, WebSocketDisconnect
import logging
from backend.services.ws_service_manager import ws_manager, ServiceType
from collectors.market_data import MarketDataCollector
from collectors.explorers import ExplorerDataCollector
from collectors.news import NewsCollector
from collectors.sentiment import SentimentCollector
from collectors.whale_tracking import WhaleTrackingCollector
from collectors.rpc_nodes import RPCNodeCollector
from collectors.onchain import OnChainCollector
from config import Config
logger = logging.getLogger(__name__)
router = APIRouter()
# ============================================================================
# Data Collection Service Handlers
# ============================================================================
class DataCollectionStreamers:
"""Handles data streaming for all collection services"""
def __init__(self):
self.config = Config()
self.market_data_collector = MarketDataCollector(self.config)
self.explorer_collector = ExplorerDataCollector(self.config)
self.news_collector = NewsCollector(self.config)
self.sentiment_collector = SentimentCollector(self.config)
self.whale_collector = WhaleTrackingCollector(self.config)
self.rpc_collector = RPCNodeCollector(self.config)
self.onchain_collector = OnChainCollector(self.config)
# ========================================================================
# Market Data Streaming
# ========================================================================
async def stream_market_data(self):
"""Stream real-time market data"""
try:
data = await self.market_data_collector.collect()
if data:
return {
"prices": data.get("prices", {}),
"volumes": data.get("volumes", {}),
"market_caps": data.get("market_caps", {}),
"price_changes": data.get("price_changes", {}),
"source": data.get("source", "unknown"),
"timestamp": datetime.utcnow().isoformat()
}
except Exception as e:
logger.error(f"Error streaming market data: {e}")
return None
async def stream_order_books(self):
"""Stream order book data"""
try:
# This would integrate with market_data_extended for order book data
data = await self.market_data_collector.collect()
if data and "order_book" in data:
return {
"bids": data["order_book"].get("bids", []),
"asks": data["order_book"].get("asks", []),
"spread": data["order_book"].get("spread"),
"timestamp": datetime.utcnow().isoformat()
}
except Exception as e:
logger.error(f"Error streaming order books: {e}")
return None
# ========================================================================
# Explorer Data Streaming
# ========================================================================
async def stream_explorer_data(self):
"""Stream blockchain explorer data"""
try:
data = await self.explorer_collector.collect()
if data:
return {
"latest_block": data.get("latest_block"),
"network_hashrate": data.get("network_hashrate"),
"difficulty": data.get("difficulty"),
"mempool_size": data.get("mempool_size"),
"transactions_count": data.get("transactions_count"),
"timestamp": datetime.utcnow().isoformat()
}
except Exception as e:
logger.error(f"Error streaming explorer data: {e}")
return None
async def stream_transactions(self):
"""Stream recent transactions"""
try:
data = await self.explorer_collector.collect()
if data and "recent_transactions" in data:
return {
"transactions": data["recent_transactions"],
"timestamp": datetime.utcnow().isoformat()
}
except Exception as e:
logger.error(f"Error streaming transactions: {e}")
return None
# ========================================================================
# News Streaming
# ========================================================================
async def stream_news(self):
"""Stream news updates"""
try:
data = await self.news_collector.collect()
if data and "articles" in data:
return {
"articles": data["articles"][:10], # Latest 10 articles
"sources": data.get("sources", []),
"categories": data.get("categories", []),
"timestamp": datetime.utcnow().isoformat()
}
except Exception as e:
logger.error(f"Error streaming news: {e}")
return None
async def stream_breaking_news(self):
"""Stream breaking news alerts"""
try:
data = await self.news_collector.collect()
if data and "breaking" in data:
return {
"breaking_news": data["breaking"],
"timestamp": datetime.utcnow().isoformat()
}
except Exception as e:
logger.error(f"Error streaming breaking news: {e}")
return None
# ========================================================================
# Sentiment Streaming
# ========================================================================
async def stream_sentiment(self):
"""Stream sentiment analysis data"""
try:
data = await self.sentiment_collector.collect()
if data:
return {
"overall_sentiment": data.get("overall_sentiment"),
"sentiment_score": data.get("sentiment_score"),
"social_volume": data.get("social_volume"),
"trending_topics": data.get("trending_topics", []),
"sentiment_by_source": data.get("by_source", {}),
"timestamp": datetime.utcnow().isoformat()
}
except Exception as e:
logger.error(f"Error streaming sentiment: {e}")
return None
async def stream_social_trends(self):
"""Stream social media trends"""
try:
data = await self.sentiment_collector.collect()
if data and "social_trends" in data:
return {
"trends": data["social_trends"],
"timestamp": datetime.utcnow().isoformat()
}
except Exception as e:
logger.error(f"Error streaming social trends: {e}")
return None
# ========================================================================
# Whale Tracking Streaming
# ========================================================================
async def stream_whale_activity(self):
"""Stream whale transaction data"""
try:
data = await self.whale_collector.collect()
if data:
return {
"large_transactions": data.get("large_transactions", []),
"whale_wallets": data.get("whale_wallets", []),
"total_volume": data.get("total_volume"),
"alert_threshold": data.get("alert_threshold"),
"timestamp": datetime.utcnow().isoformat()
}
except Exception as e:
logger.error(f"Error streaming whale activity: {e}")
return None
async def stream_whale_alerts(self):
"""Stream whale transaction alerts"""
try:
data = await self.whale_collector.collect()
if data and "alerts" in data:
return {
"alerts": data["alerts"],
"timestamp": datetime.utcnow().isoformat()
}
except Exception as e:
logger.error(f"Error streaming whale alerts: {e}")
return None
# ========================================================================
# RPC Node Streaming
# ========================================================================
async def stream_rpc_status(self):
"""Stream RPC node status"""
try:
data = await self.rpc_collector.collect()
if data:
return {
"nodes": data.get("nodes", []),
"active_nodes": data.get("active_nodes"),
"total_nodes": data.get("total_nodes"),
"average_latency": data.get("average_latency"),
"timestamp": datetime.utcnow().isoformat()
}
except Exception as e:
logger.error(f"Error streaming RPC status: {e}")
return None
async def stream_blockchain_events(self):
"""Stream blockchain events from RPC nodes"""
try:
data = await self.rpc_collector.collect()
if data and "events" in data:
return {
"events": data["events"],
"block_number": data.get("block_number"),
"timestamp": datetime.utcnow().isoformat()
}
except Exception as e:
logger.error(f"Error streaming blockchain events: {e}")
return None
# ========================================================================
# On-Chain Analytics Streaming
# ========================================================================
async def stream_onchain_metrics(self):
"""Stream on-chain analytics"""
try:
data = await self.onchain_collector.collect()
if data:
return {
"active_addresses": data.get("active_addresses"),
"transaction_count": data.get("transaction_count"),
"total_fees": data.get("total_fees"),
"gas_price": data.get("gas_price"),
"network_utilization": data.get("network_utilization"),
"timestamp": datetime.utcnow().isoformat()
}
except Exception as e:
logger.error(f"Error streaming on-chain metrics: {e}")
return None
async def stream_contract_events(self):
"""Stream smart contract events"""
try:
data = await self.onchain_collector.collect()
if data and "contract_events" in data:
return {
"events": data["contract_events"],
"timestamp": datetime.utcnow().isoformat()
}
except Exception as e:
logger.error(f"Error streaming contract events: {e}")
return None
# Global instance
data_streamers = DataCollectionStreamers()
# ============================================================================
# Background Streaming Tasks
# ============================================================================
async def start_data_collection_streams():
"""Start all data collection stream tasks"""
logger.info("Starting data collection WebSocket streams")
tasks = [
# Market Data
asyncio.create_task(ws_manager.start_service_stream(
ServiceType.MARKET_DATA,
data_streamers.stream_market_data,
interval=5.0 # 5 second updates
)),
# Explorer Data
asyncio.create_task(ws_manager.start_service_stream(
ServiceType.EXPLORERS,
data_streamers.stream_explorer_data,
interval=10.0 # 10 second updates
)),
# News
asyncio.create_task(ws_manager.start_service_stream(
ServiceType.NEWS,
data_streamers.stream_news,
interval=60.0 # 1 minute updates
)),
# Sentiment
asyncio.create_task(ws_manager.start_service_stream(
ServiceType.SENTIMENT,
data_streamers.stream_sentiment,
interval=30.0 # 30 second updates
)),
# Whale Tracking
asyncio.create_task(ws_manager.start_service_stream(
ServiceType.WHALE_TRACKING,
data_streamers.stream_whale_activity,
interval=15.0 # 15 second updates
)),
# RPC Nodes
asyncio.create_task(ws_manager.start_service_stream(
ServiceType.RPC_NODES,
data_streamers.stream_rpc_status,
interval=20.0 # 20 second updates
)),
# On-Chain Analytics
asyncio.create_task(ws_manager.start_service_stream(
ServiceType.ONCHAIN,
data_streamers.stream_onchain_metrics,
interval=30.0 # 30 second updates
)),
]
await asyncio.gather(*tasks, return_exceptions=True)
# ============================================================================
# WebSocket Endpoints
# ============================================================================
@router.websocket("/ws/data")
async def websocket_data_endpoint(websocket: WebSocket):
"""
Unified WebSocket endpoint for all data collection services
Connection URL: ws://host:port/ws/data
After connecting, send subscription messages:
{
"action": "subscribe",
"service": "market_data" | "explorers" | "news" | "sentiment" |
"whale_tracking" | "rpc_nodes" | "onchain" | "all"
}
To unsubscribe:
{
"action": "unsubscribe",
"service": "service_name"
}
To get status:
{
"action": "get_status"
}
"""
connection = await ws_manager.connect(websocket)
try:
while True:
# Receive and handle client messages
data = await websocket.receive_json()
await ws_manager.handle_client_message(connection, data)
except WebSocketDisconnect:
logger.info(f"Client disconnected: {connection.client_id}")
except Exception as e:
logger.error(f"WebSocket error for client {connection.client_id}: {e}")
finally:
await ws_manager.disconnect(connection.client_id)
@router.websocket("/ws/market_data")
async def websocket_market_data(websocket: WebSocket):
"""
Dedicated WebSocket endpoint for market data
Auto-subscribes to market_data service
"""
connection = await ws_manager.connect(websocket)
connection.subscribe(ServiceType.MARKET_DATA)
try:
while True:
data = await websocket.receive_json()
await ws_manager.handle_client_message(connection, data)
except WebSocketDisconnect:
logger.info(f"Market data client disconnected: {connection.client_id}")
except Exception as e:
logger.error(f"Market data WebSocket error: {e}")
finally:
await ws_manager.disconnect(connection.client_id)
@router.websocket("/ws/whale_tracking")
async def websocket_whale_tracking(websocket: WebSocket):
"""
Dedicated WebSocket endpoint for whale tracking
Auto-subscribes to whale_tracking service
"""
connection = await ws_manager.connect(websocket)
connection.subscribe(ServiceType.WHALE_TRACKING)
try:
while True:
data = await websocket.receive_json()
await ws_manager.handle_client_message(connection, data)
except WebSocketDisconnect:
logger.info(f"Whale tracking client disconnected: {connection.client_id}")
except Exception as e:
logger.error(f"Whale tracking WebSocket error: {e}")
finally:
await ws_manager.disconnect(connection.client_id)
@router.websocket("/ws/news")
async def websocket_news(websocket: WebSocket):
"""
Dedicated WebSocket endpoint for news
Auto-subscribes to news service
"""
connection = await ws_manager.connect(websocket)
connection.subscribe(ServiceType.NEWS)
try:
while True:
data = await websocket.receive_json()
await ws_manager.handle_client_message(connection, data)
except WebSocketDisconnect:
logger.info(f"News client disconnected: {connection.client_id}")
except Exception as e:
logger.error(f"News WebSocket error: {e}")
finally:
await ws_manager.disconnect(connection.client_id)
@router.websocket("/ws/sentiment")
async def websocket_sentiment(websocket: WebSocket):
"""
Dedicated WebSocket endpoint for sentiment analysis
Auto-subscribes to sentiment service
"""
connection = await ws_manager.connect(websocket)
connection.subscribe(ServiceType.SENTIMENT)
try:
while True:
data = await websocket.receive_json()
await ws_manager.handle_client_message(connection, data)
except WebSocketDisconnect:
logger.info(f"Sentiment client disconnected: {connection.client_id}")
except Exception as e:
logger.error(f"Sentiment WebSocket error: {e}")
finally:
await ws_manager.disconnect(connection.client_id)
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