MINING

import hashlib import requests import time # Free API Endpoint (Example: CoinGecko API for price data) API_URL = "https://api.coingecko.com/api/v3/simple/price?ids=bitcoin&vs_currencies=usd" # Mining Configuration DIFFICULTY = 4 # Number of leading zeros required MAX_NONCE = 1000000000 # Maximum attempts to find a valid hash def fetch_block_data(): """Fetch real-time blockchain data using a free API.""" try: response = requests.get(API_URL) data = response.json() return data except Exception as e: print(f"API Error: {e}") return None def mine_block(block_data, previous_hash): """Mine a block using Proof-of-Work (SHA-256).""" target = '0' * DIFFICULTY for nonce in range(MAX_NONCE): input_data = f"{block_data}{previous_hash}{nonce}".encode() hash_attempt = hashlib.sha256(input_data).hexdigest() if hash_attempt.startswith(target): return nonce, hash_attempt return None, None if __name__ == "__main__": print("Starting Miner...") previous_hash = hashlib.sha256("genesis_block".encode()).hexdigest() while True: block_data = fetch_block_data() if block_data: start_time = time.time() nonce, hash_result = mine_block(str(block_data), previous_hash) if hash_result: print(f"Block Mined! Nonce: {nonce}, Hash: {hash_result}") previous_hash = hash_result else: print("Mining failed. Retrying...") print(f"Time Elapsed: {time.time() - start_time:.2f}s") time.sleep(10)