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from fastapi import FastAPI, HTTPException
from fastapi.middleware.cors import CORSMiddleware
from fastapi.responses import JSONResponse
from parallel_miner_v3 import ParallelMiner
import threading
from typing import Dict, Optional
import uvicorn
import logging
# Configure logging
logging.basicConfig(level=logging.INFO)
logger = logging.getLogger(__name__)
app = FastAPI(title="Mining Dashboard API")
# Enable CORS
app.add_middleware(
CORSMiddleware,
allow_origins=["*"], # In production, replace with your frontend URL
allow_credentials=True,
allow_methods=["*"],
allow_headers=["*"],
)
# Global variables for mining state
miner_instance: Optional[ParallelMiner] = None
mining_thread: Optional[threading.Thread] = None
is_mining = False
@app.get("/status") # Remove /api prefix since we're mounting at /api
async def get_status() -> Dict:
"""Get current mining status and statistics"""
global miner_instance, is_mining
logger.info("Status endpoint called")
try:
if not miner_instance:
logger.info("No miner instance found, returning default values")
return {
"status": "Stopped",
"hashrate": 0,
"total_hashes": 0,
"blocks_found": 0,
"best_hash": None,
"difficulty": 0
}
stats = {
"status": "Running" if is_mining else "Stopped",
"hashrate": round(miner_instance.current_hashrate / 1000, 2), # KH/s
"total_hashes": miner_instance.total_hashes,
"blocks_found": miner_instance.blocks_found,
"best_hash": miner_instance.best_hash.hex() if miner_instance.best_hash else None,
"difficulty": miner_instance.best_hash_difficulty
}
logger.info(f"Returning stats: {stats}")
return stats
except Exception as e:
logger.error(f"Error getting status: {str(e)}")
raise HTTPException(status_code=500, detail=str(e))
@app.post("/start") # Remove /api prefix since we're mounting at /api
async def start_mining() -> Dict:
"""Start the mining process"""
global miner_instance, mining_thread, is_mining
logger.info("Start mining endpoint called")
if is_mining:
logger.warning("Mining is already running")
raise HTTPException(status_code=400, detail="Mining is already running")
try:
logger.info("Initializing miner...")
miner_instance = ParallelMiner(num_cores=5)
miner_instance.mining = True
is_mining = True
# Start mining in background thread
logger.info("Starting mining thread...")
mining_thread = threading.Thread(
target=miner_instance.start_mining,
kwargs={"duration": None}
)
mining_thread.daemon = True
mining_thread.start()
logger.info("Mining started successfully")
return {"message": "Mining started successfully"}
except Exception as e:
logger.error(f"Error starting mining: {str(e)}")
raise HTTPException(status_code=500, detail=str(e))
@app.post("/api/stop")
async def stop_mining() -> Dict:
"""Stop the mining process"""
global miner_instance, is_mining
if not is_mining:
raise HTTPException(status_code=400, detail="Mining is not running")
try:
if miner_instance:
miner_instance.mining = False
is_mining = False
return {"message": "Mining stopped successfully"}
raise HTTPException(status_code=400, detail="No active mining instance found")
except Exception as e:
raise HTTPException(status_code=500, detail=str(e))
if __name__ == "__main__":
uvicorn.run(app, host="0.0.0.0", port=8000) |