#!/usr/bin/env python
-# Copyright(C) 2011 thomasv@gitorious
+# Copyright(C) 2012 thomasv@gitorious
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as
Todo:
* server should check and return bitcoind status..
* improve txpoint sorting
+ * command to check cache
+
+ mempool transactions do not need to be added to the database; it slows it down
"""
+import abe_backend
+
+
+
-import time, socket, operator, thread, ast, sys
-import psycopg2, binascii
-import bitcoinrpc
+import time, json, socket, operator, thread, ast, sys, re, traceback
+import ConfigParser
+from json import dumps, loads
+import urllib
+import threading
-from Abe.abe import hash_to_address, decode_check_address
-from Abe.DataStore import DataStore as Datastore_class
-from Abe import DataStore, readconf, BCDataStream, deserialize, util, base58
+config = ConfigParser.ConfigParser()
+# set some defaults, which will be overwritten by the config file
+config.add_section('server')
+config.set('server','banner', 'Welcome to Electrum!')
+config.set('server', 'host', 'localhost')
+config.set('server', 'port', '50000')
+config.set('server', 'password', '')
+config.set('server', 'irc', 'yes')
+config.set('server', 'ircname', 'Electrum server')
+config.add_section('database')
+config.set('database', 'type', 'psycopg2')
+config.set('database', 'database', 'abe')
try:
f = open('/etc/electrum.conf','r')
- data = f.read()
+ config.readfp(f)
f.close()
- HOST, PORT, PASSWORD, SERVER_MESSAGE = ast.literal_eval(data)
except:
- print "could not read /etc/electrum.conf"
- SERVER_MESSAGE = "Welcome to Electrum"
- HOST = 'ecdsa.org'
- PORT = 50000
- PASSWORD = ''
+ print "Could not read electrum.conf. I will use the default values."
+try:
+ f = open('/etc/electrum.banner','r')
+ config.set('server','banner', f.read())
+ f.close()
+except:
+ pass
+
+password = config.get('server','password')
stopping = False
-block_number = -1
sessions = {}
-sessions_last_time = {}
-dblock = thread.allocate_lock()
-peer_list = {}
-class MyStore(Datastore_class):
-
- def safe_sql(self,sql):
- try:
- dblock.acquire()
- ret = self.selectall(sql)
- dblock.release()
- return ret
- except:
- print "sql error", sql
- return []
-
- def get_tx_outputs(self, tx_id):
- return self.safe_sql("""SELECT
- txout.txout_pos,
- txout.txout_scriptPubKey,
- txout.txout_value,
- nexttx.tx_hash,
- nexttx.tx_id,
- txin.txin_pos,
- pubkey.pubkey_hash
- FROM txout
- LEFT JOIN txin ON (txin.txout_id = txout.txout_id)
- LEFT JOIN pubkey ON (pubkey.pubkey_id = txout.pubkey_id)
- LEFT JOIN tx nexttx ON (txin.tx_id = nexttx.tx_id)
- WHERE txout.tx_id = %d
- ORDER BY txout.txout_pos
- """%(tx_id))
-
- def get_tx_inputs(self, tx_id):
- return self.safe_sql(""" SELECT
- txin.txin_pos,
- txin.txin_scriptSig,
- txout.txout_value,
- COALESCE(prevtx.tx_hash, u.txout_tx_hash),
- prevtx.tx_id,
- COALESCE(txout.txout_pos, u.txout_pos),
- pubkey.pubkey_hash
- FROM txin
- LEFT JOIN txout ON (txout.txout_id = txin.txout_id)
- LEFT JOIN pubkey ON (pubkey.pubkey_id = txout.pubkey_id)
- LEFT JOIN tx prevtx ON (txout.tx_id = prevtx.tx_id)
- LEFT JOIN unlinked_txin u ON (u.txin_id = txin.txin_id)
- WHERE txin.tx_id = %d
- ORDER BY txin.txin_pos
- """%(tx_id,))
-
- def get_address_out_rows(self, dbhash):
- return self.safe_sql(""" SELECT
- b.block_nTime,
- cc.chain_id,
- b.block_height,
- 1,
- b.block_hash,
- tx.tx_hash,
- tx.tx_id,
- txin.txin_pos,
- -prevout.txout_value
- FROM chain_candidate cc
- JOIN block b ON (b.block_id = cc.block_id)
- JOIN block_tx ON (block_tx.block_id = b.block_id)
- JOIN tx ON (tx.tx_id = block_tx.tx_id)
- JOIN txin ON (txin.tx_id = tx.tx_id)
- JOIN txout prevout ON (txin.txout_id = prevout.txout_id)
- JOIN pubkey ON (pubkey.pubkey_id = prevout.pubkey_id)
- WHERE pubkey.pubkey_hash = '%s'
- AND cc.in_longest = 1"""%dbhash)
-
- def get_address_out_rows_memorypool(self, dbhash):
- return self.safe_sql(""" SELECT
- 1,
- tx.tx_hash,
- tx.tx_id,
- txin.txin_pos,
- -prevout.txout_value
- FROM tx
- JOIN txin ON (txin.tx_id = tx.tx_id)
- JOIN txout prevout ON (txin.txout_id = prevout.txout_id)
- JOIN pubkey ON (pubkey.pubkey_id = prevout.pubkey_id)
- WHERE pubkey.pubkey_hash ='%s' """%(dbhash))
-
- def get_address_in_rows(self, dbhash):
- return self.safe_sql(""" SELECT
- b.block_nTime,
- cc.chain_id,
- b.block_height,
- 0,
- b.block_hash,
- tx.tx_hash,
- tx.tx_id,
- txout.txout_pos,
- txout.txout_value
- FROM chain_candidate cc
- JOIN block b ON (b.block_id = cc.block_id)
- JOIN block_tx ON (block_tx.block_id = b.block_id)
- JOIN tx ON (tx.tx_id = block_tx.tx_id)
- JOIN txout ON (txout.tx_id = tx.tx_id)
- JOIN pubkey ON (pubkey.pubkey_id = txout.pubkey_id)
- WHERE pubkey.pubkey_hash = '%s'
- AND cc.in_longest = 1"""%(dbhash))
-
- def get_address_in_rows_memorypool(self, dbhash):
- return self.safe_sql( """ SELECT
- 0,
- tx.tx_hash,
- tx.tx_id,
- txout.txout_pos,
- txout.txout_value
- FROM tx
- JOIN txout ON (txout.tx_id = tx.tx_id)
- JOIN pubkey ON (pubkey.pubkey_id = txout.pubkey_id)
- WHERE pubkey.pubkey_hash = '%s' """%(dbhash))
-
- def get_txpoints(self, addr):
- version, binaddr = decode_check_address(addr)
- if binaddr is None:
- return "err"
- dbhash = self.binin(binaddr)
- rows = []
- rows += self.get_address_out_rows( dbhash )
- rows += self.get_address_in_rows( dbhash )
-
- txpoints = []
- known_tx = []
-
- for row in rows:
- try:
- nTime, chain_id, height, is_in, blk_hash, tx_hash, tx_id, pos, value = row
- except:
- print "cannot unpack row", row
- break
- tx_hash = self.hashout_hex(tx_hash)
- txpoint = {
- "nTime": int(nTime),
- #"chain_id": int(chain_id),
- "height": int(height),
- "is_in": int(is_in),
- "blk_hash": self.hashout_hex(blk_hash),
- "tx_hash": tx_hash,
- "tx_id": int(tx_id),
- "pos": int(pos),
- "value": int(value),
- }
-
- txpoints.append(txpoint)
- known_tx.append(self.hashout_hex(tx_hash))
-
-
- # todo: sort them really...
- txpoints = sorted(txpoints, key=operator.itemgetter("nTime"))
-
- # read memory pool
- rows = []
- rows += self.get_address_in_rows_memorypool( dbhash )
- rows += self.get_address_out_rows_memorypool( dbhash )
- for row in rows:
- is_in, tx_hash, tx_id, pos, value = row
- tx_hash = self.hashout_hex(tx_hash)
- if tx_hash in known_tx:
- continue
- #print "mempool", tx_hash
- txpoint = {
- "nTime": 0,
- "chain_id": 1,
- "height": 0,
- "is_in": int(is_in),
- "blk_hash": 'mempool',
- "tx_hash": tx_hash,
- "tx_id": int(tx_id),
- "pos": int(pos),
- "value": int(value),
- }
- txpoints.append(txpoint)
-
-
- for txpoint in txpoints:
- tx_id = txpoint['tx_id']
-
- txinputs = []
- inrows = self.get_tx_inputs(tx_id)
- for row in inrows:
- _hash = self.binout(row[6])
- address = hash_to_address(chr(0), _hash)
- txinputs.append(address)
- txpoint['inputs'] = txinputs
- txoutputs = []
- outrows = self.get_tx_outputs(tx_id)
- for row in outrows:
- _hash = self.binout(row[6])
- address = hash_to_address(chr(0), _hash)
- txoutputs.append(address)
- txpoint['outputs'] = txoutputs
-
- # for all unspent inputs, I want their scriptpubkey. (actually I could deduce it from the address)
- if not txpoint['is_in']:
- # detect if already redeemed...
- for row in outrows:
- if row[6] == dbhash: break
- else:
- raise
- #row = self.get_tx_output(tx_id,dbhash)
- # pos, script, value, o_hash, o_id, o_pos, binaddr = row
- # if not redeemed, we add the script
- if row:
- if not row[4]: txpoint['raw_scriptPubKey'] = row[1]
-
-
- return txpoints
-
-
- def get_status(self, addr):
- # last block for an address
- tx_points = self.get_txpoints(addr)
- if not tx_points:
- return None
- else:
- return tx_points[-1]['blk_hash']
+def random_string(N):
+ import random, string
+ return ''.join(random.choice(string.ascii_uppercase + string.digits) for x in range(N))
-def send_tx(tx):
- import bitcoinrpc
- conn = bitcoinrpc.connect_to_local()
- try:
- v = conn.importtransaction(tx)
- except:
- v = "error: transaction rejected by memorypool"
- return v
-def listen_thread(store):
+def modified_addresses(a_session):
+ #t1 = time.time()
+ import copy
+ session = copy.deepcopy(a_session)
+ addresses = session['addresses']
+ session['last_time'] = time.time()
+ ret = {}
+ k = 0
+ for addr in addresses:
+ status = store.get_status( addr )
+ msg_id, last_status = addresses.get( addr )
+ if last_status != status:
+ addresses[addr] = msg_id, status
+ ret[addr] = status
+
+ #t2 = time.time() - t1
+ #if t2 > 10: print "high load:", session_id, "%d/%d"%(k,len(addresses)), t2
+ return ret, addresses
+
+
+def poll_session(session_id):
+ # native
+ session = sessions.get(session_id)
+ if session is None:
+ print time.asctime(), "session not found", session_id
+ return -1, {}
+ else:
+ sessions[session_id]['last_time'] = time.time()
+ ret, addresses = modified_addresses(session)
+ if ret: sessions[session_id]['addresses'] = addresses
+ return repr( (store.block_number,ret))
+
+
+def add_address_to_session(session_id, address):
+ status = store.get_status(address)
+ sessions[session_id]['addresses'][address] = ("", status)
+ sessions[session_id]['last_time'] = time.time()
+ return status
+
+
+def new_session(version, addresses):
+ session_id = random_string(10)
+ sessions[session_id] = { 'addresses':{}, 'version':version }
+ for a in addresses:
+ sessions[session_id]['addresses'][a] = ('','')
+ out = repr( (session_id, config.get('server','banner').replace('\\n','\n') ) )
+ sessions[session_id]['last_time'] = time.time()
+ return out
+
+
+def update_session(session_id,addresses):
+ """deprecated in 0.42, wad replaced by add_address_to_session"""
+ sessions[session_id]['addresses'] = {}
+ for a in addresses:
+ sessions[session_id]['addresses'][a] = ''
+ sessions[session_id]['last_time'] = time.time()
+ return 'ok'
+
+
+def native_server_thread():
s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
s.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
- s.bind((HOST, PORT))
+ s.bind((config.get('server','host'), config.getint('server','port')))
s.listen(1)
while not stopping:
conn, addr = s.accept()
- thread.start_new_thread(client_thread, (addr, conn,))
+ try:
+ thread.start_new_thread(native_client_thread, (addr, conn,))
+ except:
+ # can't start new thread if there is no memory..
+ traceback.print_exc(file=sys.stdout)
-def random_string(N):
- import random, string
- return ''.join(random.choice(string.ascii_uppercase + string.digits) for x in range(N))
-def client_thread(ipaddr,conn):
+def native_client_thread(ipaddr,conn):
#print "client thread", ipaddr
try:
ipaddr = ipaddr[0]
while 1:
d = conn.recv(1024)
msg += d
- if d[-1]=='#':
+ if not d:
+ break
+ if '#' in msg:
+ msg = msg.split('#', 1)[0]
break
-
- #print msg
-
try:
- cmd, data = ast.literal_eval(msg[:-1])
+ cmd, data = ast.literal_eval(msg)
except:
- print "syntax error", repr(msg)
+ print "syntax error", repr(msg), ipaddr
conn.close()
return
- if cmd=='b':
- out = "%d"%block_number
- elif cmd=='session':
- session_id = random_string(10)
- try:
- addresses = ast.literal_eval(data)
- except:
- print "error"
- conn.close()
- return
-
- print time.asctime(), "session", ipaddr, session_id, addresses[0], len(addresses)
-
- sessions[session_id] = {}
- for a in addresses:
- sessions[session_id][a] = ''
- out = repr( (session_id, SERVER_MESSAGE) )
- sessions_last_time[session_id] = time.time()
-
- elif cmd=='poll':
- session_id = data
- addresses = sessions.get(session_id)
- if not addresses:
- print "session not found", ipaddr
- out = repr( (-1, {}))
- else:
- sessions_last_time[session_id] = time.time()
- ret = {}
- for addr in addresses:
- status = store.get_status( addr )
- last_status = sessions[session_id].get( addr )
- if last_status != status:
- sessions[session_id][addr] = status
- ret[addr] = status
- out = repr( (block_number, ret ) )
-
- elif cmd == 'h':
- # history
- addr = data
- h = store.get_txpoints( addr )
- out = repr(h)
-
- elif cmd == 'load':
- if PASSWORD == data:
- out = repr( len(sessions) )
- else:
- out = 'wrong password'
-
- elif cmd =='tx':
- out = send_tx(data)
-
- elif cmd == 'stop':
- global stopping
- if PASSWORD == data:
- stopping = True
- out = 'ok'
- else:
- out = 'wrong password'
-
- elif cmd == 'peers':
- out = repr(peer_list.values())
-
- else:
- out = None
-
+ out = do_command(cmd, data, ipaddr)
if out:
#print ipaddr, cmd, len(out)
try:
finally:
conn.close()
-
-ds = BCDataStream.BCDataStream()
+def timestr():
+ return time.strftime("[%d/%m/%Y-%H:%M:%S]")
-def memorypool_update(store):
+# used by the native handler
+def do_command(cmd, data, ipaddr):
- conn = bitcoinrpc.connect_to_local()
- try:
- v = conn.getmemorypool()
- except:
- print "cannot contact bitcoin daemmon"
- return
- v = v['transactions']
- for hextx in v:
- ds.clear()
- ds.write(hextx.decode('hex'))
- tx = deserialize.parse_Transaction(ds)
- tx['hash'] = util.double_sha256(tx['tx'])
+ if cmd=='b':
+ out = "%d"%block_number
+
+ elif cmd in ['session','new_session']:
+ try:
+ if cmd == 'session':
+ addresses = ast.literal_eval(data)
+ version = "old"
+ else:
+ version, addresses = ast.literal_eval(data)
+ if version[0]=="0": version = "v" + version
+ except:
+ print "error", data
+ return None
+ print timestr(), "new session", ipaddr, addresses[0] if addresses else addresses, len(addresses), version
+ out = new_session(version, addresses)
+
+ elif cmd=='address.subscribe':
+ try:
+ session_id, addr = ast.literal_eval(data)
+ except:
+ traceback.print_exc(file=sys.stdout)
+ print data
+ return None
+ out = add_address_to_session(session_id,addr)
+
+ elif cmd=='update_session':
+ try:
+ session_id, addresses = ast.literal_eval(data)
+ except:
+ traceback.print_exc(file=sys.stdout)
+ return None
+ print timestr(), "update session", ipaddr, addresses[0] if addresses else addresses, len(addresses)
+ out = update_session(session_id,addresses)
- if store.tx_find_id_and_value(tx):
- pass
- else:
- store.import_tx(tx, False)
- #print tx['hash'][::-1].encode('hex')
- store.commit()
+ elif cmd=='poll':
+ out = poll_session(data)
+
+ elif cmd == 'h':
+ address = data
+ out = repr( store.get_history( address ) )
+
+ elif cmd =='tx':
+ out = store.send_tx(data)
+ print timestr(), "sent tx:", ipaddr, out
+ elif cmd == 'peers':
+ out = repr(irc.get_peers())
+ else:
+ out = None
+
+ return out
def clean_session_thread():
while not stopping:
time.sleep(30)
t = time.time()
- for k,t0 in sessions_last_time.items():
- if t - t0 > 60:
- print "lost session",k
+ for k,s in sessions.items():
+ if s.get('type') == 'persistent': continue
+ t0 = s['last_time']
+ if t - t0 > 5*60:
sessions.pop(k)
- sessions_last_time.pop(k)
+ print "lost session", k
-def irc_thread():
- global peer_list
- NICK = 'E_'+random_string(10)
- while not stopping:
- try:
- s = socket.socket()
- s.connect(('irc.freenode.net', 6667))
- s.send('USER '+NICK+' '+NICK+' bla :'+NICK+'\n')
- s.send('NICK '+NICK+'\n')
- s.send('JOIN #electrum\n')
- t = 0
- while not stopping:
- line = s.recv(2048)
- line = line.rstrip('\r\n')
- line = line.split()
- if line[0]=='PING':
- s.send('PONG '+line[1]+'\n')
- elif '353' in line: # answer to /names
- k = line.index('353')
- try:
- k2 = line.index('366')
- except:
- continue
- for item in line[k+1:k2]:
- if item[0:2] == 'E_':
- s.send('USERHOST %s\n'%item)
- elif '302' in line: # answer to /userhost
- k = line.index('302')
- name = line[k+2].split('=')[0]
- host = line[k+2].split('@')[1]
- peer_list[name] = host
- elif time.time() - t > 5*60:
- s.send('NAMES #electrum\n')
- t = time.time()
- except:
- traceback.print_exc(file=sys.stdout)
- finally:
- s.close()
+####################################################################
+
+
+from processor import Shared, Processor, Dispatcher
+from stratum_http import HttpServer
+from stratum import TcpServer
+
+class AbeProcessor(Processor):
+ def process(self,request):
+ message_id = request['id']
+ method = request['method']
+ params = request.get('params',[])
+ #print request
+
+ result = ''
+ if method == 'numblocks.subscribe':
+ result = store.block_number
+ elif method == 'address.subscribe':
+ address = params[0]
+ store.watch_address(address)
+ status = store.get_status(address)
+ result = status
+ elif method == 'client.version':
+ #session.version = params[0]
+ pass
+ elif method == 'server.banner':
+ result = config.get('server','banner').replace('\\n','\n')
+ elif method == 'server.peers':
+ result = irc.get_peers()
+ elif method == 'address.get_history':
+ address = params[0]
+ result = store.get_history( address )
+ elif method == 'transaction.broadcast':
+ txo = store.send_tx(params[0])
+ print "sent tx:", txo
+ result = txo
+ else:
+ print "unknown method", request
+
+ if result!='':
+ response = { 'id':message_id, 'method':method, 'params':params, 'result':result }
+ self.push_response(response)
+
+ def get_status(self,addr):
+ return store.get_status(addr)
+
+
+
+####################################################################
+
+
+
+class Irc(threading.Thread):
+
+ def __init__(self, processor):
+ self.processor = processor
+ threading.Thread.__init__(self)
+ self.daemon = True
+ self.peers = {}
+
+ def get_peers(self):
+ return self.peers.values()
+
+ def run(self):
+ NICK = 'E_'+random_string(10)
+ while not self.processor.shared.stopped():
+ try:
+ s = socket.socket()
+ s.connect(('irc.freenode.net', 6667))
+ s.send('USER electrum 0 * :'+config.get('server','host')+' '+config.get('server','ircname')+'\n')
+ s.send('NICK '+NICK+'\n')
+ s.send('JOIN #electrum\n')
+ sf = s.makefile('r', 0)
+ t = 0
+ while not self.processor.shared.stopped():
+ line = sf.readline()
+ line = line.rstrip('\r\n')
+ line = line.split()
+ if line[0]=='PING':
+ s.send('PONG '+line[1]+'\n')
+ elif '353' in line: # answer to /names
+ k = line.index('353')
+ for item in line[k+1:]:
+ if item[0:2] == 'E_':
+ s.send('WHO %s\n'%item)
+ elif '352' in line: # answer to /who
+ # warning: this is a horrible hack which apparently works
+ k = line.index('352')
+ ip = line[k+4]
+ ip = socket.gethostbyname(ip)
+ name = line[k+6]
+ host = line[k+9]
+ self.peers[name] = (ip,host)
+ if time.time() - t > 5*60:
+ self.processor.push_response({'method':'server.peers', 'result':[self.get_peers()]})
+ s.send('NAMES #electrum\n')
+ t = time.time()
+ self.peers = {}
+ except:
+ traceback.print_exc(file=sys.stdout)
+ finally:
+ sf.close()
+ s.close()
-import traceback
if __name__ == '__main__':
if len(sys.argv)>1:
+ import jsonrpclib
+ server = jsonrpclib.Server('http://%s:8081'%config.get('server','host'))
cmd = sys.argv[1]
if cmd == 'load':
- request = "('load','%s')#"%PASSWORD
+ out = server.load(password)
elif cmd == 'peers':
- request = "('peers','')#"
+ out = server.server.peers()
elif cmd == 'stop':
- request = "('stop','%s')#"%PASSWORD
-
- s = socket.socket( socket.AF_INET, socket.SOCK_STREAM)
- s.connect(( HOST, PORT))
- s.send( request )
- out = ''
- while 1:
- msg = s.recv(1024)
- if msg: out += msg
- else: break
- s.close()
+ out = server.stop(password)
+ elif cmd == 'clear_cache':
+ out = server.clear_cache(password)
+ elif cmd == 'get_cache':
+ out = server.get_cache(password,sys.argv[2])
+ elif cmd == 'h':
+ out = server.address.get_history(sys.argv[2])
+ elif cmd == 'tx':
+ out = server.transaction.broadcast(sys.argv[2])
+ elif cmd == 'b':
+ out = server.numblocks.subscribe()
+ else:
+ out = "Unknown command: '%s'" % cmd
print out
sys.exit(0)
+ # backend
+ store = abe_backend.AbeStore(config)
- print "starting Electrum server"
- conf = DataStore.CONFIG_DEFAULTS
- args, argv = readconf.parse_argv( [], conf)
- args.dbtype='psycopg2'
- args.connect_args = {"database":"abe"}
- store = MyStore(args)
-
- thread.start_new_thread(listen_thread, (store,))
+ # old protocol
+ thread.start_new_thread(native_server_thread, ())
thread.start_new_thread(clean_session_thread, ())
- thread.start_new_thread(irc_thread, ())
- while not stopping:
- try:
- dblock.acquire()
- store.catch_up()
- memorypool_update(store)
- block_number = store.get_block_number(1)
- dblock.release()
- except:
- traceback.print_exc(file=sys.stdout)
- time.sleep(10)
+ processor = AbeProcessor()
+ shared = Shared()
+ # Bind shared to processor since constructor is user defined
+ processor.shared = shared
+ processor.start()
+ # dispatcher
+ dispatcher = Dispatcher(shared, processor)
+ dispatcher.start()
+ # Create various transports we need
+ transports = [ TcpServer(shared, processor, "ecdsa.org",50001),
+ HttpServer(shared, processor, "ecdsa.org",8081)
+ ]
+ for server in transports:
+ server.start()
+
+ if (config.get('server','irc') == 'yes' ):
+ irc = Irc(processor)
+ irc.start()
+
+
+ print "starting Electrum server"
+ store.run(processor)
print "server stopped"
git://git.novaco.in / electrum-server.git / blobdiff