"""
-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
+
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,
+ 'blockchain.transaction.broadcast':send_tx,
+ 'blockchain.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()
- try:
- v = loads(respdata)['result']
- except:
- v = "error: transaction rejected by memorypool"
- return v
+ r = loads(respdata)
+ if r['error'] != None:
+ out = "error: transaction rejected by memorypool\n"+tx
+ else:
+ out = r['result']
+ return out
return 'wrong password'
-def cmd_poll(session_id):
+def poll_session(session_id):
session = sessions.get(session_id)
if session is None:
print time.asctime(), "session not found", session_id
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)
-
+ status = get_address_status( addr )
last_status = addresses.get( addr )
if last_status != status:
addresses[addr] = status
return out
-def new_session(addresses, version, ipaddr):
- session_id = random_string(10)
+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') != 'subscribe': continue
+ addresses = session['addresses'].keys()
- print time.strftime("[%d/%m/%Y-%H:%M:%S]"), "new session", ipaddr, addresses[0] if addresses else addresses, len(addresses), version
+ 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)
- sessions[session_id] = { 'addresses':{}, 'version':version, 'ip':ipaddr }
+
+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 subscribe_to_numblocks(session_id, message_id):
+ sessions_sub_numblocks[session_id] = message_id
+ send_numblocks(session_id)
+
+def subscribe_to_address(session_id, message_id, address):
+ status = get_address_status(address)
+ sessions[session_id]['type'] = 'subscribe'
+ sessions[session_id]['addresses'][address] = (message_id, status)
+ sessions[session_id]['last_time'] = time.time()
+ send_status(session_id, message_id, address, 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,ipaddr):
- print time.strftime("[%d/%m/%Y-%H:%M:%S]"), "update session", ipaddr, addresses[0] if addresses else addresses, len(addresses)
+def update_session(session_id,addresses):
sessions[session_id]['addresses'] = {}
for a in addresses:
sessions[session_id]['addresses'][a] = ''
- out = 'ok'
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
- out = new_session(addresses, version, ipaddr)
+ print timestr(), "new session", ipaddr, addresses[0] if addresses else addresses, len(addresses), version
+ out = new_session(version, addresses)
elif cmd=='update_session':
try:
except:
print "error"
return None
- out = update_session(session_id,addresses,ipaddr)
-
+ 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
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 = ''
elif cmd=='poll':
- out = cmd_poll(data)
+ out = poll_session(data)
elif cmd == 'h':
# history
elif cmd =='tx':
out = send_tx(data)
- print "sent tx:", out
+ 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' }
+
+ 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':
+ txo = send_tx(data)
+ print "sent tx:", txo
+ out = { 'result':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'})
respdata = urllib.urlopen(bitcoind_url, postdata).read()
- v = loads(respdata)['result']
+ 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')
+ 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') == 'subscribe': continue
t0 = s['last_time']
if t - t0 > 5*60:
- print time.strftime("[%d/%m/%Y-%H:%M:%S]"), "end session", s['ip']
sessions.pop(k)
+ print "lost session", k
def irc_thread():
-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(('localhost', 8080))
+ 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(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()
if len(sys.argv)>1:
import jsonrpclib
- server = jsonrpclib.Server('http://localhost:8080')
+ server = jsonrpclib.Server('http://%s:8081'%config.get('server','host'))
cmd = sys.argv[1]
if cmd == 'load':
out = server.load(password)
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)
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"
git://git.novaco.in / electrum-server.git / blobdiff