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 time, socket, operator, thread, ast, sys
+import time, socket, operator, thread, ast, sys,re
import psycopg2, binascii
-import bitcoinrpc
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
+import ConfigParser
+from json import dumps, loads
+import urllib
+
+# we need to import electrum
+sys.path.append('../client/')
+from wallet import Wallet
+from interface import Interface
+
+
+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', 'cache', 'no')
+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, SERVER_MESSAGE = ast.literal_eval(data)
except:
- print "could not read /etc/electrum.conf"
- SERVER_MESSAGE = "Welcome to Electrum"
- HOST = 'ecdsa.org'
- PORT = 50000
+ 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')
+bitcoind_url = 'http://%s:%s@%s:%s/' % ( config.get('bitcoind','user'), config.get('bitcoind','password'), config.get('bitcoind','host'), config.get('bitcoind','port'))
+stopping = False
+block_number = -1
sessions = {}
-sessions_last_time = {}
dblock = thread.allocate_lock()
+peer_list = {}
+wallets = {} # for ultra-light clients such as bccapi
class MyStore(Datastore_class):
- def safe_sql(self,sql):
+ def import_tx(self, tx, is_coinbase):
+ tx_id = super(MyStore, self).import_tx(tx, is_coinbase)
+ if config.get('server', 'cache') == 'yes': self.update_tx_cache(tx_id)
+
+ def update_tx_cache(self, txid):
+ inrows = self.get_tx_inputs(txid, False)
+ for row in inrows:
+ _hash = store.binout(row[6])
+ address = hash_to_address(chr(0), _hash)
+ if self.tx_cache.has_key(address):
+ print "cache: invalidating", address
+ self.tx_cache.pop(address)
+ outrows = self.get_tx_outputs(txid, False)
+ for row in outrows:
+ _hash = store.binout(row[6])
+ address = hash_to_address(chr(0), _hash)
+ if self.tx_cache.has_key(address):
+ print "cache: invalidating", address
+ self.tx_cache.pop(address)
+
+ def safe_sql(self,sql, params=(), lock=True):
try:
- dblock.acquire()
- ret = self.selectall(sql)
- dblock.release()
+ if lock: dblock.acquire()
+ ret = self.selectall(sql,params)
+ if lock: dblock.release()
return ret
except:
print "sql error", sql
return []
- def get_tx_outputs(self, tx_id):
+ def get_tx_outputs(self, tx_id, lock=True):
return self.safe_sql("""SELECT
txout.txout_pos,
txout.txout_scriptPubKey,
LEFT JOIN tx nexttx ON (txin.tx_id = nexttx.tx_id)
WHERE txout.tx_id = %d
ORDER BY txout.txout_pos
- """%(tx_id))
+ """%(tx_id), (), lock)
- def get_tx_inputs(self, tx_id):
+ def get_tx_inputs(self, tx_id, lock=True):
return self.safe_sql(""" SELECT
txin.txin_pos,
txin.txin_scriptSig,
LEFT JOIN unlinked_txin u ON (u.txin_id = txin.txin_id)
WHERE txin.tx_id = %d
ORDER BY txin.txin_pos
- """%(tx_id,))
+ """%(tx_id,), (), lock)
def get_address_out_rows(self, dbhash):
return self.safe_sql(""" SELECT
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)
+ WHERE pubkey.pubkey_hash = ?
+ AND cc.in_longest = 1""", (dbhash,))
def get_address_out_rows_memorypool(self, dbhash):
return self.safe_sql(""" SELECT
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))
+ WHERE pubkey.pubkey_hash = ? """, (dbhash,))
def get_address_in_rows(self, dbhash):
return self.safe_sql(""" SELECT
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))
+ WHERE pubkey.pubkey_hash = ?
+ AND cc.in_longest = 1""", (dbhash,))
def get_address_in_rows_memorypool(self, dbhash):
return self.safe_sql( """ SELECT
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))
+ WHERE pubkey.pubkey_hash = ? """, (dbhash,))
+
+ def get_history(self, addr):
+
+ if config.get('server','cache') == 'yes':
+ cached_version = self.tx_cache.get( addr )
+ if cached_version is not None:
+ return cached_version
- def get_txpoints(self, addr):
version, binaddr = decode_check_address(addr)
if binaddr is None:
- return "err"
+ return None
+
dbhash = self.binin(binaddr)
rows = []
rows += self.get_address_out_rows( dbhash )
rows = []
rows += self.get_address_in_rows_memorypool( dbhash )
rows += self.get_address_out_rows_memorypool( dbhash )
+ address_has_mempool = False
+
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
+
+ # this means that pending transactions were added to the db, even if they are not returned by getmemorypool
+ address_has_mempool = True
+
+ # this means pending transactions are returned by getmemorypool
+ if tx_hash not in self.mempool_keys:
+ continue
+
#print "mempool", tx_hash
txpoint = {
"nTime": 0,
- "chain_id": 1,
+ #"chain_id": 1,
"height": 0,
"is_in": int(is_in),
- "blk_hash": 'mempool',
+ "blk_hash": 'mempool',
"tx_hash": tx_hash,
"tx_id": int(tx_id),
"pos": int(pos),
if row:
if not row[4]: txpoint['raw_scriptPubKey'] = row[1]
-
+ # cache result
+ if config.get('server','cache') == 'yes' and not address_has_mempool:
+ self.tx_cache[addr] = txpoints
+
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']
+
+class Direct_Interface(Interface):
+ def __init__(self):
+ pass
+
+ def handler(self, method, params = ''):
+ cmds = {'session.new':new_session,
+ 'session.poll':poll_session,
+ 'session.update':update_session,
+ 'blockchain.transaction.broadcast':send_tx,
+ 'blockchain.address.get_history':store.get_history
+ }
+ func = cmds[method]
+ return func( params )
+
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
+ postdata = dumps({"method": 'importtransaction', 'params': [tx], 'id':'jsonrpc'})
+ respdata = urllib.urlopen(bitcoind_url, postdata).read()
+ r = loads(respdata)
+ if r['error'] != None:
+ out = "error: transaction rejected by memorypool"
+ else:
+ out = r['result']
+ return out
-def listen_thread(store):
+def random_string(N):
+ import random, string
+ return ''.join(random.choice(string.ascii_uppercase + string.digits) for x in range(N))
+
+
+
+def cmd_stop(data):
+ global stopping
+ if password == data:
+ stopping = True
+ return 'ok'
+ else:
+ return 'wrong password'
+
+def cmd_load(pw):
+ if password == pw:
+ return repr( len(sessions) )
+ else:
+ return 'wrong password'
+
+
+def clear_cache(pw):
+ if password == pw:
+ store.tx_cache = {}
+ return 'ok'
+ else:
+ return 'wrong password'
+
+def get_cache(pw,addr):
+ if password == pw:
+ return store.tx_cache.get(addr)
+ else:
+ return 'wrong password'
+
+
+def poll_session(session_id):
+ session = sessions.get(session_id)
+ if session is None:
+ print time.asctime(), "session not found", session_id
+ out = repr( (-1, {}))
+ else:
+ t1 = time.time()
+ addresses = session['addresses']
+ session['last_time'] = time.time()
+ ret = {}
+ k = 0
+ for addr in addresses:
+ if store.tx_cache.get( addr ) is not None: k += 1
+
+ # get addtess status, i.e. the last block for that address.
+ tx_points = store.get_history(addr)
+ if not tx_points:
+ status = None
+ else:
+ lastpoint = tx_points[-1]
+ status = lastpoint['blk_hash']
+ # this is a temporary hack; move it up once old clients have disappeared
+ if status == 'mempool' and session['version'] != "old":
+ status = status + ':%d'% len(tx_points)
+
+ last_status = addresses.get( addr )
+ if last_status != status:
+ addresses[addr] = status
+ ret[addr] = status
+ if ret:
+ sessions[session_id]['addresses'] = addresses
+ out = repr( (block_number, ret ) )
+ t2 = time.time() - t1
+ if t2 > 10:
+ print "high load:", session_id, "%d/%d"%(k,len(addresses)), t2
+
+ return out
+
+
+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):
+ sessions[session_id]['addresses'] = {}
+ for a in addresses:
+ sessions[session_id]['addresses'][a] = ''
+ sessions[session_id]['last_time'] = time.time()
+ return 'ok'
+
+def listen_thread(store):
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 True:
+ while not stopping:
conn, addr = s.accept()
- thread.start_new_thread(client_thread, (addr, conn,))
+ try:
+ thread.start_new_thread(client_thread, (addr, conn,))
+ except:
+ # can't start new thread if there is no memory..
+ traceback.print_exc(file=sys.stdout)
+
def client_thread(ipaddr,conn):
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"%store.get_block_number(1)
-
- elif cmd=='session':
- import random, string
- session_id = ''.join(random.choice(string.ascii_uppercase + string.digits) for x in range(10))
- try:
- addresses = ast.literal_eval(data)
- except:
- print "error"
- conn.close()
- return
-
- print time.asctime(), "session", ipaddr, session_id, addresses[0], len(addresses)
-
- clean_sessions()
- 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( (store.get_block_number(1), ret ) )
-
- elif cmd == 'h':
- # history
- addr = data
- h = store.get_txpoints( addr )
- out = repr(h)
-
- elif cmd =='tx':
- # transaction
- out = send_tx(data)
- else:
- out = None
-
+ out = do_command(cmd, data, ipaddr)
if out:
#print ipaddr, cmd, len(out)
try:
finally:
conn.close()
-
-ds = BCDataStream.BCDataStream()
+
+def do_command(cmd, data, ipaddr):
+
+ timestr = time.strftime("[%d/%m/%Y-%H:%M:%S]")
+
+ 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=='update_session':
+ try:
+ session_id, addresses = ast.literal_eval(data)
+ except:
+ print "error"
+ return None
+ print timestr, "update session", ipaddr, addresses[0] if addresses else addresses, len(addresses)
+ out = update_session(session_id,addresses)
+
+ elif cmd == 'bccapi_login':
+ import electrum
+ print "data",data
+ v, k = ast.literal_eval(data)
+ master_public_key = k.decode('hex') # todo: sanitize. no need to decode twice...
+ print master_public_key
+ wallet_id = random_string(10)
+ w = Wallet( Direct_Interface() )
+ w.master_public_key = master_public_key.decode('hex')
+ w.synchronize()
+ wallets[wallet_id] = w
+ out = wallet_id
+ print "wallets", wallets
+
+ elif cmd == 'bccapi_getAccountInfo':
+ from wallet import int_to_hex
+ v, wallet_id = ast.literal_eval(data)
+ w = wallets.get(wallet_id)
+ if w is not None:
+ num = len(w.addresses)
+ c, u = w.get_balance()
+ out = int_to_hex(num,4) + int_to_hex(c,8) + int_to_hex( c+u, 8 )
+ out = out.decode('hex')
+ else:
+ print "error",data
+ out = "error"
+
+ elif cmd == 'bccapi_getAccountStatement':
+ from wallet import int_to_hex
+ v, wallet_id = ast.literal_eval(data)
+ w = wallets.get(wallet_id)
+ if w is not None:
+ num = len(w.addresses)
+ c, u = w.get_balance()
+ total_records = num_records = 0
+ out = int_to_hex(num,4) + int_to_hex(c,8) + int_to_hex( c+u, 8 ) + int_to_hex( total_records ) + int_to_hex( num_records )
+ out = out.decode('hex')
+ else:
+ print "error",data
+ out = "error"
+
+ elif cmd == 'bccapi_getSendCoinForm':
+ out = ''
+
+ elif cmd == 'bccapi_submitTransaction':
+ out = ''
+
+ elif cmd=='poll':
+ out = poll_session(data)
+
+ elif cmd == 'h':
+ # history
+ address = data
+ out = repr( store.get_history( address ) )
+
+ elif cmd == 'load':
+ out = cmd_load(data)
+
+ elif cmd =='tx':
+ out = send_tx(data)
+ print timestr, "sent tx:", ipaddr, out
+
+ elif cmd == 'stop':
+ out = cmd_stop(data)
+
+ elif cmd == 'peers':
+ out = repr(peer_list.values())
+
+ else:
+ out = None
+
+ return out
+
+
def memorypool_update(store):
+ ds = BCDataStream.BCDataStream()
+ store.mempool_keys = []
- conn = bitcoinrpc.connect_to_local()
- try:
- v = conn.getmemorypool()
- except:
- print "cannot contact bitcoin daemmon"
+ postdata = dumps({"method": 'getmemorypool', 'params': [], 'id':'jsonrpc'})
+ respdata = urllib.urlopen(bitcoind_url, postdata).read()
+ r = loads(respdata)
+ if r['error'] != None:
return
- v = v['transactions']
+
+ v = r['result'].get('transactions')
for hextx in v:
ds.clear()
ds.write(hextx.decode('hex'))
tx = deserialize.parse_Transaction(ds)
tx['hash'] = util.double_sha256(tx['tx'])
-
+ tx_hash = tx['hash'][::-1].encode('hex')
+ store.mempool_keys.append(tx_hash)
if store.tx_find_id_and_value(tx):
pass
else:
store.import_tx(tx, False)
- #print tx['hash'][::-1].encode('hex')
- store.commit()
+ store.commit()
-def clean_sessions():
- t = time.time()
- for k,t0 in sessions_last_time.items():
- if t - t0 > 60:
- print "lost session",k
- sessions.pop(k)
- sessions_last_time.pop(k)
+def clean_session_thread():
+ while not stopping:
+ time.sleep(30)
+ t = time.time()
+ for k,s in sessions.items():
+ t0 = s['last_time']
+ if t - t0 > 5*60:
+ sessions.pop(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 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 stopping:
+ 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]
+ peer_list[name] = (ip,host)
+ if time.time() - t > 5*60:
+ s.send('NAMES #electrum\n')
+ t = time.time()
+ peer_list = {}
+ except:
+ traceback.print_exc(file=sys.stdout)
+ finally:
+ sf.close()
+ s.close()
+
+
+
+def jsonrpc_thread(store):
+ # see http://code.google.com/p/jsonrpclib/
+ from SocketServer import ThreadingMixIn
+ from jsonrpclib.SimpleJSONRPCServer import SimpleJSONRPCServer
+ class SimpleThreadedJSONRPCServer(ThreadingMixIn, SimpleJSONRPCServer): pass
+ server = SimpleThreadedJSONRPCServer(( config.get('server','host'), 8081))
+ server.register_function(lambda : peer_list.values(), 'peers')
+ server.register_function(cmd_stop, 'stop')
+ server.register_function(cmd_load, 'load')
+ server.register_function(lambda : block_number, 'blocks')
+ server.register_function(clear_cache, 'clear_cache')
+ server.register_function(get_cache, 'get_cache')
+ server.register_function(send_tx, 'blockchain.transaction.broadcast')
+ server.register_function(store.get_history, 'blockchain.address.get_history')
+ server.register_function(new_session, 'session.new')
+ server.register_function(update_session, 'session.update')
+ server.register_function(poll_session, 'session.poll')
+ server.serve_forever()
+
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':
+ out = server.load(password)
+ elif cmd == 'peers':
+ out = server.peers()
+ elif cmd == 'stop':
+ 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.blockchain.address.get_history(sys.argv[2])
+ elif cmd == 'tx':
+ out = server.blockchain.transaction.broadcast(sys.argv[2])
+ elif cmd == 'b':
+ out = server.blocks()
+ else:
+ out = "Unknown command: '%s'" % cmd
+ print out
+ sys.exit(0)
+
+
print "starting Electrum server"
+ print "cache:", config.get('server', 'cache')
+
conf = DataStore.CONFIG_DEFAULTS
args, argv = readconf.parse_argv( [], conf)
- args.dbtype='psycopg2'
- args.connect_args = {"database":"abe"}
+ args.dbtype= config.get('database','type')
+ if args.dbtype == 'sqlite3':
+ args.connect_args = { 'database' : config.get('database','database') }
+ elif args.dbtype == 'MySQLdb':
+ args.connect_args = { 'db' : config.get('database','database'), 'user' : config.get('database','username'), 'passwd' : config.get('database','password') }
+ elif args.dbtype == 'psycopg2':
+ args.connect_args = { 'database' : config.get('database','database') }
store = MyStore(args)
+ store.tx_cache = {}
+ store.mempool_keys = {}
thread.start_new_thread(listen_thread, (store,))
+ thread.start_new_thread(jsonrpc_thread, (store,))
+ thread.start_new_thread(clean_session_thread, ())
+ if (config.get('server','irc') == 'yes' ):
+ thread.start_new_thread(irc_thread, ())
- while True:
+ while not stopping:
try:
dblock.acquire()
store.catch_up()
memorypool_update(store)
- dblock.release()
+ block_number = store.get_block_number(1)
+ except IOError:
+ print "IOError: cannot reach bitcoind"
+ block_number = 0
except:
traceback.print_exc(file=sys.stdout)
- print "continuing..."
+ block_number = 0
+ finally:
+ dblock.release()
time.sleep(10)
+ print "server stopped"
+
git://git.novaco.in / electrum-server.git / blobdiff