603 lines
26 KiB
Python
603 lines
26 KiB
Python
#!/usr/bin/env python3
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"""
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RinCoin Mining Pool Server
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Distributes block rewards among multiple miners based on share contributions
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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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import sqlite3
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from datetime import datetime
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from requests.auth import HTTPBasicAuth
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# Import web interface
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from pool_web_interface import start_web_interface
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# Import stratum base class
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from stratum_proxy import RinCoinStratumBase
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class RinCoinMiningPool(RinCoinStratumBase):
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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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pool_address='rin1qahvvv9d5f3443wtckeqavwp9950wacxfmwv20q',
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pool_fee_percent=1.0):
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# Initialize base class
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super().__init__(stratum_host, stratum_port, rpc_host, rpc_port, rpc_user, rpc_password, pool_address)
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self.pool_address = pool_address
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self.pool_fee_percent = pool_fee_percent
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# Pool statistics
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self.total_shares = 0
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self.total_blocks = 0
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self.pool_hashrate = 0
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# Database for persistent storage
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self.init_database()
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print(f"=== RinCoin Mining Pool 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"Pool Address: {pool_address}")
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print(f"Pool Fee: {pool_fee_percent}%")
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def init_database(self):
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"""Initialize SQLite database for miner tracking"""
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self.db = sqlite3.connect(':memory:', check_same_thread=False)
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cursor = self.db.cursor()
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# Create tables
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cursor.execute('''
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CREATE TABLE IF NOT EXISTS miners (
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id INTEGER PRIMARY KEY,
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user TEXT NOT NULL,
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worker TEXT NOT NULL,
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address TEXT,
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shares INTEGER DEFAULT 0,
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last_share TIMESTAMP,
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last_hashrate REAL DEFAULT 0,
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created TIMESTAMP DEFAULT CURRENT_TIMESTAMP
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)
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''')
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cursor.execute('''
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CREATE TABLE IF NOT EXISTS shares (
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id INTEGER PRIMARY KEY,
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miner_id INTEGER,
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job_id TEXT,
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difficulty REAL,
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submitted TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
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FOREIGN KEY (miner_id) REFERENCES miners (id)
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)
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''')
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cursor.execute('''
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CREATE TABLE IF NOT EXISTS blocks (
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id INTEGER PRIMARY KEY,
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block_hash TEXT,
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height INTEGER,
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reward REAL,
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pool_fee REAL,
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miner_rewards TEXT, -- JSON of {address: amount}
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found_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
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)
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''')
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# Samples for pool hashrate chart
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cursor.execute('''
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CREATE TABLE IF NOT EXISTS hashrate_samples (
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id INTEGER PRIMARY KEY,
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ts TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
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hashrate REAL
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)
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''')
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self.db.commit()
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def get_pool_block_template(self):
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"""Get new block template and create pool-style job"""
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template = super().get_block_template()
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if template:
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# Convert to pool-style job format if needed
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job = self.current_job
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if job:
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# Add pool-specific fields
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job["coinb1"] = "01000000" + "0" * 60
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job["coinb2"] = "ffffffff"
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job["merkle_branch"] = []
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job["clean_jobs"] = True
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return job
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return None
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def validate_rincoin_address(self, address):
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"""Validate if an address is a valid RinCoin address"""
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try:
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return self.decode_bech32_address(address) is not None
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except:
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return False
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def register_miner(self, user, worker, address=None):
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"""Register or update miner in database"""
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cursor = self.db.cursor()
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# Check if miner exists
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cursor.execute('SELECT id, address FROM miners WHERE user = ? AND worker = ?', (user, worker))
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result = cursor.fetchone()
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if result:
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miner_id, existing_address = result
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if address and not existing_address:
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cursor.execute('UPDATE miners SET address = ? WHERE id = ?', (address, miner_id))
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self.db.commit()
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return miner_id
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else:
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# Create new miner
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cursor.execute('INSERT INTO miners (user, worker, address) VALUES (?, ?, ?)', (user, worker, address))
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self.db.commit()
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return cursor.lastrowid
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def record_share(self, miner_id, job_id, difficulty):
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"""Record a share submission"""
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cursor = self.db.cursor()
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# Record share
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cursor.execute('INSERT INTO shares (miner_id, job_id, difficulty) VALUES (?, ?, ?)',
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(miner_id, job_id, difficulty))
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# Update miner stats
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cursor.execute('UPDATE miners SET shares = shares + 1, last_share = CURRENT_TIMESTAMP WHERE id = ?', (miner_id,))
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self.db.commit()
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self.total_shares += 1
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def distribute_block_reward(self, block_hash, block_height, total_reward):
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"""Distribute block reward among miners based on their shares"""
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cursor = self.db.cursor()
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# Calculate pool fee
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pool_fee = total_reward * (self.pool_fee_percent / 100.0)
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miner_reward = total_reward - pool_fee
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# Get shares from last 24 hours
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cursor.execute('''
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SELECT m.address, COUNT(s.id) as share_count, SUM(s.difficulty) as total_difficulty
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FROM miners m
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JOIN shares s ON m.id = s.miner_id
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WHERE s.submitted > datetime('now', '-1 day')
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GROUP BY m.id, m.address
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HAVING share_count > 0
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''')
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miners = cursor.fetchall()
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if not miners:
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print("No miners with shares in last 24 hours")
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return
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# Calculate total difficulty
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total_difficulty = sum(row[2] for row in miners)
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# Separate miners with and without addresses
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miners_with_addresses = []
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miners_without_addresses = []
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total_difficulty_with_addresses = 0
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total_difficulty_without_addresses = 0
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for address, share_count, difficulty in miners:
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if address:
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miners_with_addresses.append((address, share_count, difficulty))
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total_difficulty_with_addresses += difficulty
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else:
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miners_without_addresses.append((address, share_count, difficulty))
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total_difficulty_without_addresses += difficulty
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# Calculate total difficulty
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total_difficulty = total_difficulty_with_addresses + total_difficulty_without_addresses
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if total_difficulty == 0:
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print("No valid difficulty found")
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return
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# Distribute rewards
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miner_rewards = {}
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# First, distribute to miners with valid addresses
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if miners_with_addresses:
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for address, share_count, difficulty in miners_with_addresses:
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reward_share = (difficulty / total_difficulty) * miner_reward
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miner_rewards[address] = reward_share
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print(f"💰 Miner {address}: {reward_share:.8f} RIN ({difficulty} difficulty)")
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# Calculate undistributed rewards (from miners without addresses)
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if miners_without_addresses:
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undistributed_reward = 0
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for address, share_count, difficulty in miners_without_addresses:
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undistributed_reward += (difficulty / total_difficulty) * miner_reward
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print(f"⚠️ Miner without address: {difficulty} difficulty -> {undistributed_reward:.8f} RIN to pool")
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# Keep undistributed rewards for pool (no redistribution)
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print(f"💰 Pool keeps {undistributed_reward:.8f} RIN from miners without addresses")
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# Record block
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cursor.execute('''
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INSERT INTO blocks (block_hash, height, reward, pool_fee, miner_rewards)
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VALUES (?, ?, ?, ?, ?)
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''', (block_hash, block_height, total_reward, pool_fee, json.dumps(miner_rewards)))
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self.db.commit()
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self.total_blocks += 1
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print(f"🎉 Block {block_height} reward distributed!")
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print(f"💰 Pool fee: {pool_fee:.8f} RIN")
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print(f"💰 Total distributed: {sum(miner_rewards.values()):.8f} RIN")
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# Summary
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if miners_without_addresses:
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print(f"📊 Summary: {len(miners_with_addresses)} miners with addresses, {len(miners_without_addresses)} without (rewards to pool)")
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# Use inherited send_stratum_response and send_stratum_notification from base class
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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 (lower for CPU mining)
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self.send_stratum_notification(client, "mining.set_difficulty", [0.0001])
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# Send initial job
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if self.get_pool_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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f"{job['version']:08x}",
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job["bits"],
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job["ntime"],
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job["clean_jobs"]
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])
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elif method == "mining.extranonce.subscribe":
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# Handle extranonce subscription
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print(f"[{addr}] Extranonce subscription requested")
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self.send_stratum_response(client, msg_id, True)
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elif method == "mining.authorize":
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# Parse user.worker format
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if len(params) >= 2:
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user_worker = params[0]
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password = params[1] if len(params) > 1 else ""
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# Extract user and worker
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if '.' in user_worker:
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user, worker = user_worker.split('.', 1)
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else:
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user = user_worker
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worker = "default"
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# Check if user contains a RinCoin address (starts with 'rin')
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miner_address = None
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if user.startswith('rin'):
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# User is a RinCoin address
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if self.validate_rincoin_address(user):
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miner_address = user
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user = f"miner_{miner_address[:8]}" # Create a user ID from address
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print(f"[{addr}] ✅ Miner using valid RinCoin address: {miner_address}")
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else:
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print(f"[{addr}] ❌ Invalid RinCoin address: {user}")
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self.send_stratum_response(client, msg_id, False, "Invalid RinCoin address")
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return
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elif '.' in user and user.split('.')[0].startswith('rin'):
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# Format: rin1qahvvv9d5f3443wtckeqavwp9950wacxfmwv20q.workername
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address_part, worker_part = user.split('.', 1)
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if address_part.startswith('rin'):
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if self.validate_rincoin_address(address_part):
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miner_address = address_part
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user = f"miner_{miner_address[:8]}"
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worker = worker_part
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print(f"[{addr}] ✅ Miner using valid RinCoin address format: {miner_address}.{worker}")
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else:
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print(f"[{addr}] ❌ Invalid RinCoin address: {address_part}")
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self.send_stratum_response(client, msg_id, False, "Invalid RinCoin address")
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return
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# Register miner with address
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miner_id = self.register_miner(user, worker, miner_address)
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# Store client info
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self.clients[addr] = {
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'client': client,
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'user': user,
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'worker': worker,
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'miner_id': miner_id,
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'address': miner_address,
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'shares': 0,
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'last_share': time.time(),
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'extranonce1': '00000000' # Default extranonce1
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}
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if miner_address:
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print(f"[{addr}] ✅ Authorized: {user}.{worker} -> {miner_address}")
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else:
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print(f"[{addr}] ⚠️ Authorized: {user}.{worker} (rewards will go to pool address)")
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self.send_stratum_response(client, msg_id, True)
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else:
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self.send_stratum_response(client, msg_id, False, "Invalid authorization")
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elif method == "mining.submit":
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# Submit share
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if addr not in self.clients:
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self.send_stratum_response(client, msg_id, False, "Not authorized")
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return
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miner_info = self.clients[addr]
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try:
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if self.current_job and len(params) >= 5:
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username = params[0]
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job_id = params[1]
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extranonce2 = params[2]
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ntime = params[3]
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nonce = params[4]
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# Use base class to validate and submit share
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extranonce1 = miner_info.get('extranonce1', '00000000')
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miner_address = miner_info.get('address')
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# For pool mining, always mine to pool address
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success, message = self.submit_share(
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self.current_job, extranonce1, extranonce2, ntime, nonce,
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target_address=self.pool_address
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)
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if success:
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# Record share with estimated difficulty
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actual_difficulty = 0.00133 # Estimated for ~381 kH/s
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self.record_share(miner_info['miner_id'], job_id, actual_difficulty)
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# Update miner stats
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now_ts = time.time()
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prev_ts = miner_info.get('last_share') or now_ts
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dt = max(now_ts - prev_ts, 1e-3)
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miner_hashrate = actual_difficulty * (2**32) / dt
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if miner_info['shares'] == 0:
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miner_hashrate = 381000 # Default estimate
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miner_info['shares'] += 1
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miner_info['last_share'] = now_ts
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# Update database
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try:
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cursor = self.db.cursor()
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cursor.execute('UPDATE miners SET last_share = CURRENT_TIMESTAMP, last_hashrate = ? WHERE id = ?',
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(miner_hashrate, miner_info['miner_id']))
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self.db.commit()
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except Exception as e:
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print(f"DB update error: {e}")
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print(f"[{addr}] ✅ Share accepted from {miner_info['user']}.{miner_info['worker']} (Total: {miner_info['shares']})")
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self.send_stratum_response(client, msg_id, True)
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# If block was found, distribute rewards
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if "Block found" in message:
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print(f"🎉 [{addr}] BLOCK FOUND!")
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# Get block info and distribute rewards
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total_reward = self.current_job['coinbasevalue'] / 100000000 if self.current_job else 25.0
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self.distribute_block_reward("pending", self.current_job['height'] if self.current_job else 0, total_reward)
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else:
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# Accept as share for pool statistics even if block validation fails
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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}] Share processing 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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# Send null result for unknown methods (standard Stratum behavior)
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self.send_stratum_response(client, msg_id, None, None)
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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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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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last_job_time = 0
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last_block_height = 0
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while self.running:
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try:
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# Check for new blocks every 10 seconds
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time.sleep(10)
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# Get current blockchain info
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blockchain_info = self.rpc_call("getblockchaininfo")
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if blockchain_info:
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current_height = blockchain_info.get('blocks', 0)
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# Create new job if:
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# 1. New block detected
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# 2. 30+ seconds since last job
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# 3. No current job exists
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should_create_job = (
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current_height != last_block_height or
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time.time() - last_job_time > 30 or
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not self.current_job
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)
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if should_create_job:
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if self.get_pool_block_template():
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job = self.current_job
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last_job_time = time.time()
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last_block_height = current_height
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print(f"📦 New job created: {job['job_id']} (block {current_height})")
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# Send to all connected clients
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for addr, miner_info in list(self.clients.items()):
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try:
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self.send_stratum_notification(miner_info['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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f"{job['version']:08x}",
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job["bits"],
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job["ntime"],
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job["clean_jobs"]
|
|
])
|
|
except Exception as e:
|
|
print(f"Failed to send job to {addr}: {e}")
|
|
|
|
except Exception as e:
|
|
print(f"Job updater error: {e}")
|
|
|
|
def stats_updater(self):
|
|
"""Periodically update pool statistics"""
|
|
while self.running:
|
|
try:
|
|
time.sleep(60) # Update every minute
|
|
cursor = self.db.cursor()
|
|
# Pool hashrate is the sum of miners' last hashrates
|
|
cursor.execute('SELECT COALESCE(SUM(last_hashrate), 0) FROM miners')
|
|
self.pool_hashrate = cursor.fetchone()[0] or 0.0
|
|
# Sample for chart
|
|
cursor.execute('INSERT INTO hashrate_samples (hashrate) VALUES (?)', (self.pool_hashrate,))
|
|
self.db.commit()
|
|
print(f"📊 Pool Stats: {len(self.clients)} miners, {self.total_shares} shares, {self.pool_hashrate/1000:.2f} kH/s")
|
|
|
|
except Exception as e:
|
|
print(f"Stats updater error: {e}")
|
|
|
|
def start(self):
|
|
"""Start the mining pool server"""
|
|
try:
|
|
# Test RPC connection
|
|
blockchain_info = self.rpc_call("getblockchaininfo")
|
|
if not blockchain_info:
|
|
print("❌ Failed to connect to RinCoin node!")
|
|
return
|
|
|
|
print(f"✅ Connected to RinCoin node (block {blockchain_info.get('blocks', 'unknown')})")
|
|
|
|
# Start background threads
|
|
job_thread = threading.Thread(target=self.job_updater, daemon=True)
|
|
job_thread.start()
|
|
|
|
stats_thread = threading.Thread(target=self.stats_updater, daemon=True)
|
|
stats_thread.start()
|
|
|
|
# Start web interface in background
|
|
web_thread = threading.Thread(target=start_web_interface,
|
|
args=(self.db, '0.0.0.0', 8083,
|
|
self.rpc_host, self.rpc_port,
|
|
self.rpc_user, self.rpc_password),
|
|
daemon=True)
|
|
web_thread.start()
|
|
|
|
print(f"🌐 Web dashboard started on http://0.0.0.0:8083")
|
|
|
|
# Start Stratum server
|
|
server_socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
|
|
server_socket.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
|
|
server_socket.bind((self.stratum_host, self.stratum_port))
|
|
server_socket.listen(10)
|
|
|
|
print(f"🚀 Mining pool listening on {self.stratum_host}:{self.stratum_port}")
|
|
print("Ready for multiple miners...")
|
|
print("")
|
|
print(f"💰 Pool address: {self.pool_address}")
|
|
print(f"💰 Pool fee: {self.pool_fee_percent}%")
|
|
print("")
|
|
print("Connect miners with:")
|
|
print(f"./cpuminer -a rinhash -o stratum+tcp://{self.stratum_host}:{self.stratum_port} -u username.workername -p x")
|
|
print("")
|
|
|
|
while self.running:
|
|
try:
|
|
client, addr = server_socket.accept()
|
|
client_thread = threading.Thread(target=self.handle_client, args=(client, addr), daemon=True)
|
|
client_thread.start()
|
|
except KeyboardInterrupt:
|
|
print("\n🛑 Shutting down pool...")
|
|
self.running = False
|
|
break
|
|
except Exception as e:
|
|
print(f"Server error: {e}")
|
|
|
|
except OSError as e:
|
|
if "Address already in use" in str(e):
|
|
print(f"❌ Port {self.stratum_port} is already in use!")
|
|
print("")
|
|
print("🔍 Check what's using the port:")
|
|
print(f"sudo netstat -tlnp | grep :{self.stratum_port}")
|
|
print("")
|
|
print("🛑 Kill existing process:")
|
|
print(f"sudo lsof -ti:{self.stratum_port} | xargs sudo kill -9")
|
|
print("")
|
|
print("🔄 Or use a different port by editing the script")
|
|
else:
|
|
print(f"Failed to start server: {e}")
|
|
except Exception as e:
|
|
print(f"Failed to start server: {e}")
|
|
finally:
|
|
print("Pool server stopped")
|
|
|
|
if __name__ == "__main__":
|
|
pool = RinCoinMiningPool()
|
|
pool.start()
|