"""
-import time, socket, operator, thread, ast, sys,re
+import time, json, socket, operator, thread, ast, sys,re
import psycopg2, binascii
from Abe.abe import hash_to_address, decode_check_address
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', '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')
except:
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
+old_block_number = -1
sessions = {}
+sessions_sub_numblocks = {} # sessions that have subscribed to the service
+
+m_sessions = [{}] # served by http
+
dblock = thread.allocate_lock()
peer_list = {}
wallets = {} # for ultra-light clients such as bccapi
+from Queue import Queue
+input_queue = Queue()
+output_queue = Queue()
+address_queue = Queue()
+
+
+
class MyStore(Datastore_class):
- 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 import_block(self, b, chain_ids=frozenset()):
+ block_id = super(MyStore, self).import_block(b, chain_ids)
+ #print "block", block_id
+ for pos in xrange(len(b['transactions'])):
+ tx = b['transactions'][pos]
+ if 'hash' not in tx:
+ tx['hash'] = util.double_sha256(tx['tx'])
+ tx_id = store.tx_find_id_and_value(tx)
+ if tx_id:
+ self.update_tx_cache(tx_id)
+ else:
+ print "error: import_block: no tx_id"
+ return block_id
+
def update_tx_cache(self, txid):
inrows = self.get_tx_inputs(txid, False)
if self.tx_cache.has_key(address):
print "cache: invalidating", address
self.tx_cache.pop(address)
+ address_queue.put(address)
+
outrows = self.get_tx_outputs(txid, False)
for row in outrows:
_hash = store.binout(row[6])
if self.tx_cache.has_key(address):
print "cache: invalidating", address
self.tx_cache.pop(address)
+ address_queue.put(address)
def safe_sql(self,sql, params=(), lock=True):
try:
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
+ cached_version = self.tx_cache.get( addr )
+ if cached_version is not None:
+ return cached_version
version, binaddr = decode_check_address(addr)
if binaddr is None:
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),
#print "mempool", tx_hash
txpoint = {
"nTime": 0,
- #"chain_id": 1,
"height": 0,
"is_in": int(is_in),
"blk_hash": 'mempool',
if not row[4]: txpoint['raw_scriptPubKey'] = row[1]
# cache result
- if config.get('server','cache') == 'yes' and not address_has_mempool:
+ if not address_has_mempool:
self.tx_cache[addr] = txpoints
return txpoints
+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,
+ 'transaction.broadcast':send_tx,
+ 'address.get_history':store.get_history
+ }
+ func = cmds[method]
+ return func( params )
+
+
def send_tx(tx):
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"
+ out = "error: transaction rejected by memorypool\n"+tx
else:
out = r['result']
return out
-def cmd_stop(data):
+def cmd_stop(_,__,pw):
global stopping
- if password == data:
+ if password == pw:
stopping = True
return 'ok'
else:
return 'wrong password'
-def cmd_load(pw):
+def cmd_load(_,__,pw):
if password == pw:
return repr( len(sessions) )
else:
return 'wrong password'
-def clear_cache(pw):
+def clear_cache(_,__,pw):
if password == pw:
store.tx_cache = {}
return 'ok'
else:
return 'wrong password'
-def get_cache(pw,addr):
+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:
+
+
+def modified_addresses(session):
+ if 1:
t1 = time.time()
addresses = session['addresses']
session['last_time'] = time.time()
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 )
+ status = get_address_status( addr )
+ msg_id, last_status = addresses.get( addr )
if last_status != status:
- addresses[addr] = status
+ addresses[addr] = msg_id, 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
+ #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:
+ ret, addresses = modified_addresses(session)
+ if ret: sessions[session_id]['addresses'] = addresses
+ return repr( (block_number,ret))
+
+
+def poll_session_json(session_id, message_id):
+ session = m_sessions[0].get(session_id)
+ if session is None:
+ raise BaseException("session not found %s"%session_id)
+ else:
+ print "poll: session found", session_id
+ out = []
+ ret, addresses = modified_addresses(session)
+ if ret:
+ m_sessions[0][session_id]['addresses'] = addresses
+ for addr in ret:
+ msg_id, status = addresses[addr]
+ out.append( { 'id':msg_id, 'result':status } )
+
+ msg_id, last_nb = session.get('numblocks')
+ if last_nb:
+ if last_nb != block_number:
+ m_sessions[0][session_id]['numblocks'] = msg_id, block_number
+ out.append( {'id':msg_id, 'result':block_number} )
return out
+def do_update_address(addr):
+ # an address was involved in a transaction; we check if it was subscribed to in a session
+ # the address can be subscribed in several sessions; the cache should ensure that we don't do redundant requests
+
+ for session_id in sessions.keys():
+ session = sessions[session_id]
+ if session.get('type') != 'persistent': continue
+ addresses = session['addresses'].keys()
+
+ if addr in addresses:
+ status = get_address_status( addr )
+ message_id, last_status = session['addresses'][addr]
+ if last_status != status:
+ #print "sending new status for %s:"%addr, status
+ send_status(session_id,message_id,addr,status)
+ sessions[session_id]['addresses'][addr] = (message_id,status)
+
+def get_address_status(addr):
+ # get address 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)
+ return status
+
+
+def send_numblocks(session_id):
+ message_id = sessions_sub_numblocks[session_id]
+ out = json.dumps( {'id':message_id, 'result':block_number} )
+ output_queue.put((session_id, out))
+
+def send_status(session_id, message_id, address, status):
+ out = json.dumps( { 'id':message_id, 'result':status } )
+ output_queue.put((session_id, out))
+
+def address_get_history_json(_,message_id,address):
+ return store.get_history(address)
+
+def subscribe_to_numblocks(session_id, message_id):
+ sessions_sub_numblocks[session_id] = message_id
+ send_numblocks(session_id)
+
+def subscribe_to_numblocks_json(session_id, message_id):
+ global m_sessions
+ m_sessions[0][session_id]['numblocks'] = message_id,block_number
+ return block_number
+
+def subscribe_to_address(session_id, message_id, address):
+ status = get_address_status(address)
+ sessions[session_id]['addresses'][address] = (message_id, status)
+ sessions[session_id]['last_time'] = time.time()
+ send_status(session_id, message_id, address, status)
+
+def add_address_to_session_json(session_id, message_id, address):
+ global m_sessions
+ sessions = m_sessions[0]
+ status = get_address_status(address)
+ sessions[session_id]['addresses'][address] = (message_id, status)
+ sessions[session_id]['last_time'] = time.time()
+ m_sessions[0] = sessions
+ return status
+
+def add_address_to_session(session_id, address):
+ status = get_address_status(address)
+ sessions[session_id]['addresses'][addr] = ("", 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] = ''
+ 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 client_version_json(session_id, _, version):
+ global m_sessions
+ sessions = m_sessions[0]
+ sessions[session_id]['version'] = version
+ m_sessions[0] = sessions
+
+def create_session_json(_, __):
+ sessions = m_sessions[0]
+ session_id = random_string(10)
+ print "creating session", session_id
+ sessions[session_id] = { 'addresses':{}, 'numblocks':('','') }
+ sessions[session_id]['last_time'] = time.time()
+ m_sessions[0] = sessions
+ return session_id
+
+
+
+def get_banner(_,__):
+ return config.get('server','banner').replace('\\n','\n')
+
def update_session(session_id,addresses):
+ """deprecated in 0.42"""
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):
+def native_server_thread():
s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
s.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
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 client_thread(ipaddr,conn):
+def native_client_thread(ipaddr,conn):
#print "client thread", ipaddr
try:
ipaddr = ipaddr[0]
conn.close()
+def timestr():
+ return time.strftime("[%d/%m/%Y-%H:%M:%S]")
+
+# used by the native handler
def do_command(cmd, data, ipaddr):
if cmd=='b':
except:
print "error", data
return None
- print time.strftime("[%d/%m/%Y-%H:%M:%S]"), "new session", ipaddr, addresses[0] if addresses else addresses, len(addresses), version
+ 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:
+ print "error"
+ return None
+ out = add_address_to_session(session_id,addr)
+
elif cmd=='update_session':
try:
session_id, addresses = ast.literal_eval(data)
except:
print "error"
return None
- print time.strftime("[%d/%m/%Y-%H:%M:%S]"), "update session", ipaddr, addresses[0] if addresses else addresses, len(addresses)
+ print timestr(), "update session", ipaddr, addresses[0] if addresses else addresses, len(addresses)
out = update_session(session_id,addresses)
elif cmd == 'bccapi_login':
master_public_key = k.decode('hex') # todo: sanitize. no need to decode twice...
print master_public_key
wallet_id = random_string(10)
- w = electrum.Wallet()
+ w = Wallet( Direct_Interface() )
w.master_public_key = master_public_key.decode('hex')
w.synchronize()
wallets[wallet_id] = w
print "wallets", wallets
elif cmd == 'bccapi_getAccountInfo':
- from electrum import int_to_hex
+ from wallet import int_to_hex
v, wallet_id = ast.literal_eval(data)
w = wallets.get(wallet_id)
if w is not None:
out = "error"
elif cmd == 'bccapi_getAccountStatement':
- from electrum import int_to_hex
+ from wallet import int_to_hex
v, wallet_id = ast.literal_eval(data)
w = wallets.get(wallet_id)
if w is not None:
out = cmd_load(data)
elif cmd =='tx':
- r = send_tx(data)
- print "sent tx:", out
+ out = send_tx(data)
+ print timestr(), "sent tx:", ipaddr, out
elif cmd == 'stop':
out = cmd_stop(data)
+####################################################################
+
+def tcp_server_thread():
+ thread.start_new_thread(process_input_queue, ())
+ thread.start_new_thread(process_output_queue, ())
+
+ s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
+ s.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
+ s.bind((config.get('server','host'), 50001))
+ s.listen(1)
+ while not stopping:
+ conn, addr = s.accept()
+ try:
+ thread.start_new_thread(tcp_client_thread, (addr, conn,))
+ except:
+ # can't start new thread if there is no memory..
+ traceback.print_exc(file=sys.stdout)
+
+
+def close_session(session_id):
+ #print "lost connection", session_id
+ sessions.pop(session_id)
+ if session_id in sessions_sub_numblocks:
+ sessions_sub_numblocks.pop(session_id)
+
+
+# one thread per client. put requests in a queue.
+def tcp_client_thread(ipaddr,conn):
+ """ use a persistent connection. put commands in a queue."""
+
+ print timestr(), "TCP session", ipaddr
+ global sessions
+
+ session_id = random_string(10)
+ sessions[session_id] = { 'conn':conn, 'addresses':{}, 'version':'unknown', 'type':'persistent' }
+
+ ipaddr = ipaddr[0]
+ msg = ''
+
+ while not stopping:
+ try:
+ d = conn.recv(1024)
+ except socket.error:
+ d = ''
+ if not d:
+ close_session(session_id)
+ break
+
+ msg += d
+ while True:
+ s = msg.find('\n')
+ if s ==-1:
+ break
+ else:
+ c = msg[0:s].strip()
+ msg = msg[s+1:]
+ if c == 'quit':
+ conn.close()
+ close_session(session_id)
+ return
+ try:
+ c = json.loads(c)
+ except:
+ print "json error", repr(c)
+ continue
+ try:
+ message_id = c.get('id')
+ method = c.get('method')
+ params = c.get('params')
+ except:
+ print "syntax error", repr(c), ipaddr
+ continue
+
+ # add to queue
+ input_queue.put((session_id, message_id, method, params))
+
+
+
+# read commands from the input queue. perform requests, etc. this should be called from the main thread.
+def process_input_queue():
+ while not stopping:
+ session_id, message_id, method, data = input_queue.get()
+ if session_id not in sessions.keys():
+ continue
+ out = None
+ if method == 'address.subscribe':
+ address = data[0]
+ subscribe_to_address(session_id,message_id,address)
+ elif method == 'numblocks.subscribe':
+ subscribe_to_numblocks(session_id,message_id)
+ elif method == 'client.version':
+ sessions[session_id]['version'] = data[0]
+ elif method == 'server.banner':
+ out = { 'result':config.get('server','banner').replace('\\n','\n') }
+ elif method == 'server.peers':
+ out = { 'result':peer_list.values() }
+ elif method == 'address.get_history':
+ address = data[0]
+ out = { 'result':store.get_history( address ) }
+ elif method == 'transaction.broadcast':
+ postdata = dumps({"method": 'importtransaction', 'params': [data], 'id':'jsonrpc'})
+ txo = urllib.urlopen(bitcoind_url, postdata).read()
+ print "sent tx:", txo
+ out = json.loads(txo)
+ else:
+ print "unknown command", method
+ if out:
+ out['id'] = message_id
+ out = json.dumps( out )
+ output_queue.put((session_id, out))
+
+# this is a separate thread
+def process_output_queue():
+ while not stopping:
+ session_id, out = output_queue.get()
+ session = sessions.get(session_id)
+ if session:
+ try:
+ conn = session.get('conn')
+ conn.send(out+'\n')
+ except:
+ close_session(session_id)
+
+
+
+
+####################################################################
+
def memorypool_update(store):
+
ds = BCDataStream.BCDataStream()
+ previous_transactions = store.mempool_keys
store.mempool_keys = []
postdata = dumps({"method": 'getmemorypool', 'params': [], 'id':'jsonrpc'})
ds.write(hextx.decode('hex'))
tx = deserialize.parse_Transaction(ds)
tx['hash'] = util.double_sha256(tx['tx'])
- tx_hash = tx['hash'][::-1].encode('hex')
+ tx_hash = store.hashin(tx['hash'])
+
store.mempool_keys.append(tx_hash)
if store.tx_find_id_and_value(tx):
pass
else:
- store.import_tx(tx, False)
+ tx_id = store.import_tx(tx, False)
+ store.update_tx_cache(tx_id)
store.commit()
-
def clean_session_thread():
while not stopping:
time.sleep(30)
t = time.time()
for k,s in sessions.items():
+ if s.get('type') == 'persistent': continue
t0 = s['last_time']
if t - t0 > 5*60:
sessions.pop(k)
+ print "lost session", k
def irc_thread():
s.close()
+def get_peers_json(_,__):
+ return peer_list.values()
-def jsonrpc_thread(store):
+def http_server_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')
+ from StratumJSONRPCServer import StratumJSONRPCServer
+ class StratumThreadedJSONRPCServer(ThreadingMixIn, StratumJSONRPCServer): pass
+ server = StratumThreadedJSONRPCServer(( config.get('server','host'), 8081))
+ server.register_function(get_peers_json, 'server.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.register_function(get_banner, 'server.banner')
+ server.register_function(send_tx, 'transaction.broadcast')
+ server.register_function(address_get_history_json, 'address.get_history')
+ server.register_function(add_address_to_session_json, 'address.subscribe')
+ server.register_function(create_session_json, 'session.create') #internal message
+ server.register_function(poll_session_json, 'session.poll')
+ server.register_function(subscribe_to_numblocks_json, 'numblocks.subscribe')
+ server.register_function(client_version_json, 'client.version')
+ server.register_function(lambda a,b:None, 'ping')
server.serve_forever()
if cmd == 'load':
out = server.load(password)
elif cmd == 'peers':
- out = server.peers()
+ out = server.server.peers()
elif cmd == 'stop':
out = server.stop(password)
elif cmd == 'clear_cache':
elif cmd == 'get_cache':
out = server.get_cache(password,sys.argv[2])
elif cmd == 'h':
- out = server.blockchain.address.get_history(sys.argv[2])
+ out = server.address.get_history(sys.argv[2])
elif cmd == 'tx':
- out = server.blockchain.transaction.broadcast(sys.argv[2])
+ out = server.transaction.broadcast(sys.argv[2])
elif cmd == 'b':
- out = server.blocks()
+ out = server.numblocks.subscribe()
+ 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)
store.tx_cache = {}
store.mempool_keys = {}
- thread.start_new_thread(listen_thread, (store,))
- thread.start_new_thread(jsonrpc_thread, (store,))
+ # supported protocols
+ thread.start_new_thread(native_server_thread, ())
+ thread.start_new_thread(tcp_server_thread, ())
+ thread.start_new_thread(http_server_thread, (store,))
+
thread.start_new_thread(clean_session_thread, ())
+
if (config.get('server','irc') == 'yes' ):
thread.start_new_thread(irc_thread, ())
dblock.acquire()
store.catch_up()
memorypool_update(store)
+
block_number = store.get_block_number(1)
- dblock.release()
+ if block_number != old_block_number:
+ old_block_number = block_number
+ for session_id in sessions_sub_numblocks.keys():
+ send_numblocks(session_id)
+
+ except IOError:
+ print "IOError: cannot reach bitcoind"
+ block_number = 0
except:
traceback.print_exc(file=sys.stdout)
+ block_number = 0
+ finally:
+ dblock.release()
+
+ # do addresses
+ while True:
+ try:
+ addr = address_queue.get(False)
+ except:
+ break
+ do_update_address(addr)
+
time.sleep(10)
print "server stopped"