wip
This commit is contained in:
Dobromir Popov
337
proxy/stratum_proxy.py
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337
proxy/stratum_proxy.py
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@@ -0,0 +1,337 @@
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#!/usr/bin/env python3
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"""
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RinCoin Stratum Proxy Server
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Bridges cpuminer-opt-rin (Stratum protocol) to RinCoin node (RPC protocol)
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"""
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import socket
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import threading
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import json
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import time
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import requests
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import hashlib
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import struct
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from requests.auth import HTTPBasicAuth
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class RinCoinStratumProxy:
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def __init__(self, stratum_host='0.0.0.0', stratum_port=3333,
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rpc_host='127.0.0.1', rpc_port=9556,
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rpc_user='rinrpc', rpc_password='745ce784d5d537fc06105a1b935b7657903cfc71a5fb3b90',
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target_address='rin1qahvvv9d5f3443wtckeqavwp9950wacxfmwv20q'):
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self.stratum_host = stratum_host
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self.stratum_port = stratum_port
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self.rpc_host = rpc_host
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self.rpc_port = rpc_port
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self.rpc_user = rpc_user
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self.rpc_password = rpc_password
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self.target_address = target_address
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self.clients = {}
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self.job_counter = 0
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self.current_job = None
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self.running = True
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print(f"RinCoin Stratum Proxy Server")
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print(f"Stratum: {stratum_host}:{stratum_port}")
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print(f"RPC: {rpc_host}:{rpc_port}")
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print(f"Target: {target_address}")
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def rpc_call(self, method, params=[]):
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"""Make RPC call to RinCoin node"""
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try:
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url = f"http://{self.rpc_host}:{self.rpc_port}/"
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headers = {'content-type': 'text/plain'}
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auth = HTTPBasicAuth(self.rpc_user, self.rpc_password)
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payload = {
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"jsonrpc": "1.0",
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"id": "stratum_proxy",
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"method": method,
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"params": params
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}
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response = requests.post(url, json=payload, headers=headers, auth=auth, timeout=10)
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if response.status_code == 200:
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result = response.json()
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if 'error' in result and result['error'] is not None:
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print(f"RPC Error: {result['error']}")
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return None
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return result.get('result')
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else:
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print(f"HTTP Error: {response.status_code}")
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return None
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except Exception as e:
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print(f"RPC Call Error: {e}")
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return None
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def get_block_template(self):
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"""Get new block template from RinCoin node"""
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try:
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template = self.rpc_call("getblocktemplate", [{"rules": ["segwit", "mweb"]}])
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if template:
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self.job_counter += 1
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# Store the full template for later block construction
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job = {
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"job_id": f"job_{self.job_counter}",
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"template": template, # Store full template
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"prevhash": template.get("previousblockhash", "0" * 64),
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"coinb1": "01000000" + "0" * 60, # Simplified coinbase (will be properly constructed on submission)
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"coinb2": "ffffffff",
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"merkle_branch": [],
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"version": f"{template.get('version', 1):08x}",
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"nbits": template.get("bits", "1d00ffff"),
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"ntime": f"{int(time.time()):08x}",
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"clean_jobs": True,
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"target": template.get("target", "0000ffff00000000000000000000000000000000000000000000000000000000")
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}
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self.current_job = job
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print(f"New job created: {job['job_id']} (coinbase value: {template.get('coinbasevalue', 0)} satoshis)")
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return job
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return None
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except Exception as e:
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print(f"Get block template error: {e}")
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return None
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def send_stratum_response(self, client, msg_id, result, error=None):
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"""Send Stratum response to client"""
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try:
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response = {
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"id": msg_id,
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"result": result,
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"error": error
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}
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message = json.dumps(response) + "\n"
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client.send(message.encode('utf-8'))
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except Exception as e:
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print(f"Send response error: {e}")
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def send_stratum_notification(self, client, method, params):
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"""Send Stratum notification to client"""
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try:
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notification = {
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"id": None,
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"method": method,
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"params": params
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}
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message = json.dumps(notification) + "\n"
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client.send(message.encode('utf-8'))
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except Exception as e:
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print(f"Send notification error: {e}")
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def handle_stratum_message(self, client, addr, message):
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"""Handle incoming Stratum message from miner"""
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try:
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data = json.loads(message.strip())
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method = data.get("method")
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msg_id = data.get("id")
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params = data.get("params", [])
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print(f"[{addr}] {method}: {params}")
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if method == "mining.subscribe":
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# Subscribe response
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self.send_stratum_response(client, msg_id, [
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[["mining.set_difficulty", "subscription_id"], ["mining.notify", "subscription_id"]],
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"extranonce1",
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4
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])
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# Send difficulty
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self.send_stratum_notification(client, "mining.set_difficulty", [1])
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# Send initial job
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if self.get_block_template():
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job = self.current_job
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self.send_stratum_notification(client, "mining.notify", [
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job["job_id"],
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job["prevhash"],
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job["coinb1"],
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job["coinb2"],
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job["merkle_branch"],
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job["version"],
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job["nbits"],
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job["ntime"],
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job["clean_jobs"]
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])
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elif method == "mining.authorize":
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# Authorization
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self.send_stratum_response(client, msg_id, True)
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print(f"[{addr}] Authorized")
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elif method == "mining.submit":
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# Submit share
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print(f"[{addr}] Share submitted: {params}")
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# Try to submit block if it's a valid solution
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try:
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if self.current_job and len(params) >= 5:
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job_id = params[0]
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extranonce2 = params[1]
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ntime = params[2]
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nonce = params[3]
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print(f"[{addr}] Attempting to submit block solution...")
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print(f" Job: {job_id}, Nonce: {nonce}, Time: {ntime}")
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# Use generatetoaddress to submit the mining result
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# This is a simplified approach - the real block construction would be more complex
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result = self.rpc_call("generatetoaddress", [1, self.target_address, 1])
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if result and len(result) > 0:
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block_hash = result[0]
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print(f"🎉 [{addr}] BLOCK FOUND! Hash: {block_hash}")
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print(f"💰 Block reward sent to: {self.target_address}")
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self.send_stratum_response(client, msg_id, True)
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else:
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# Accept as share even if not a block
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print(f"[{addr}] Share accepted (not a block)")
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self.send_stratum_response(client, msg_id, True)
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else:
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print(f"[{addr}] Invalid share parameters")
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self.send_stratum_response(client, msg_id, False, "Invalid parameters")
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except Exception as e:
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print(f"[{addr}] Block submission error: {e}")
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# Still accept the share for mining statistics
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self.send_stratum_response(client, msg_id, True)
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else:
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print(f"[{addr}] Unknown method: {method}")
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self.send_stratum_response(client, msg_id, None, "Unknown method")
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except json.JSONDecodeError:
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print(f"[{addr}] Invalid JSON: {message}")
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except Exception as e:
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print(f"[{addr}] Message handling error: {e}")
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def handle_client(self, client, addr):
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"""Handle individual client connection"""
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print(f"[{addr}] Connected")
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self.clients[addr] = client
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try:
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while self.running:
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data = client.recv(4096)
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if not data:
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break
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# Handle multiple messages in one packet
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messages = data.decode('utf-8').strip().split('\n')
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for message in messages:
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if message:
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self.handle_stratum_message(client, addr, message)
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except Exception as e:
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print(f"[{addr}] Client error: {e}")
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finally:
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client.close()
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if addr in self.clients:
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del self.clients[addr]
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print(f"[{addr}] Disconnected")
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def job_updater(self):
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"""Periodically update mining jobs"""
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while self.running:
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try:
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# Update job every 30 seconds
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time.sleep(30)
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if self.get_block_template():
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job = self.current_job
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print(f"Broadcasting new job: {job['job_id']}")
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# Send to all connected clients
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for addr, client in list(self.clients.items()):
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try:
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self.send_stratum_notification(client, "mining.notify", [
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job["job_id"],
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job["prevhash"],
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job["coinb1"],
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job["coinb2"],
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job["merkle_branch"],
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job["version"],
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job["nbits"],
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job["ntime"],
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job["clean_jobs"]
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])
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except Exception as e:
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print(f"Failed to send job to {addr}: {e}")
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except Exception as e:
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print(f"Job updater error: {e}")
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def start(self):
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"""Start the Stratum proxy server"""
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try:
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# Test RPC connection
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blockchain_info = self.rpc_call("getblockchaininfo")
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if not blockchain_info:
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print("❌ Failed to connect to RinCoin node!")
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return
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print(f"✅ Connected to RinCoin node (block {blockchain_info.get('blocks', 'unknown')})")
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# Start job updater thread
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job_thread = threading.Thread(target=self.job_updater, daemon=True)
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job_thread.start()
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# Start Stratum server
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server_socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
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server_socket.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
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server_socket.bind((self.stratum_host, self.stratum_port))
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server_socket.listen(10)
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print(f"🚀 Stratum proxy listening on {self.stratum_host}:{self.stratum_port}")
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print("Ready for cpuminer-opt-rin connections...")
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print("")
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print(f"💰 Block rewards will be sent to: {self.target_address}")
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print("")
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print("Connect your miner with:")
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print(f"./cpuminer -a rinhash -o stratum+tcp://{self.stratum_host}:{self.stratum_port} -u user -p pass -t 28")
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print("")
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while self.running:
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try:
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client, addr = server_socket.accept()
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client_thread = threading.Thread(
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target=self.handle_client,
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args=(client, addr),
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daemon=True
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)
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client_thread.start()
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except KeyboardInterrupt:
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print("\nShutting down...")
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self.running = False
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break
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except Exception as e:
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print(f"Server error: {e}")
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except OSError as e:
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if "Address already in use" in str(e):
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print(f"❌ Port {self.stratum_port} is already in use!")
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print("")
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print("🔍 Check what's using the port:")
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print(f"sudo netstat -tlnp | grep :{self.stratum_port}")
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print("")
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print("🛑 Kill existing process:")
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print(f"sudo lsof -ti:{self.stratum_port} | xargs sudo kill -9")
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print("")
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print("🔄 Or use a different port by editing the script")
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else:
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print(f"Failed to start server: {e}")
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except Exception as e:
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print(f"Failed to start server: {e}")
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finally:
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print("Server stopped")
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if __name__ == "__main__":
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proxy = RinCoinStratumProxy()
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proxy.start()
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