* 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,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
config = ConfigParser.ConfigParser()
# set some defaults, which will be overwritten by the config file
except:
print "Could not read electrum.conf. I will use the default values."
+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):
_hash = store.binout(row[6])
address = hash_to_address(chr(0), _hash)
if self.tx_cache.has_key(address):
- print "cache: invalidating", address, self.ismempool
+ 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.ismempool
+ print "cache: invalidating", address
self.tx_cache.pop(address)
def safe_sql(self,sql, params=(), lock=True):
JOIN pubkey ON (pubkey.pubkey_id = txout.pubkey_id)
WHERE pubkey.pubkey_hash = ? """, (dbhash,))
- def get_txpoints(self, addr):
+ def get_history(self, addr):
if config.get('server','cache') == 'yes':
cached_version = self.tx_cache.get( 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 )
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,
"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),
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 send_tx(tx):
- import bitcoinrpc
- conn = bitcoinrpc.connect_to_local()
+ postdata = dumps({"method": 'importtransaction', 'params': [tx], 'id':'jsonrpc'})
+ respdata = urllib.urlopen(bitcoind_url, postdata).read()
try:
- v = conn.importtransaction(tx)
+ v = loads(respdata)['result']
except:
v = "error: transaction rejected by memorypool"
return v
+
+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 cmd_poll(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(addresses, version, ipaddr):
+ session_id = random_string(10)
+
+ print time.strftime("[%d/%m/%Y-%H:%M:%S]"), "new session", ipaddr, addresses[0] if addresses else addresses, len(addresses), version
+
+ sessions[session_id] = { 'addresses':{}, 'version':version, 'ip':ipaddr }
+ 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)
+ sessions[session_id]['addresses'] = {}
+ for a in addresses:
+ sessions[session_id]['addresses'][a] = ''
+ out = 'ok'
+ sessions[session_id]['last_time'] = time.time()
+
+
def listen_thread(store):
s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
s.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
conn, addr = s.accept()
thread.start_new_thread(client_thread, (addr, conn,))
-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):
#print "client thread", ipaddr
msg += d
if not d:
break
- if d[-1]=='#':
+ 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] if addresses else addresses, len(addresses)
-
- sessions[session_id] = {}
- for a in addresses:
- sessions[session_id][a] = ''
- out = repr( (session_id, config.get('server','banner').replace('\\n','\n') ) )
- sessions_last_time[session_id] = time.time()
-
- elif cmd=='poll':
- session_id = data
- addresses = sessions.get(session_id)
- if addresses is None:
- print time.asctime(), " Session not found", session_id, ipaddr
- out = repr( (-1, {}))
- else:
- t1 = time.time()
- sessions_last_time[session_id] = time.time()
- ret = {}
- k = 0
- for addr in addresses:
- if store.tx_cache.get( addr ) is not None: k += 1
- status = store.get_status( addr )
- last_status = addresses.get( addr )
- if last_status != status:
- addresses[addr] = status
- ret[addr] = status
- if ret:
- sessions[session_id] = addresses
- out = repr( (block_number, ret ) )
- t2 = time.time() - t1
- if t2 > 10:
- print "high load:", session_id, "%d/%d"%(k,len(addresses)), t2
-
- elif cmd == 'h':
- # history
- address = data
- out = repr( store.get_txpoints( address ) )
-
- elif cmd == 'load':
- if config.get('server','password') == data:
- out = repr( len(sessions) )
- else:
- out = 'wrong password'
-
- elif cmd =='tx':
- out = send_tx(data)
-
- elif cmd == 'stop':
- global stopping
- if config.get('server','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 do_command(cmd, data, ipaddr):
+
+ 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
+ out = new_session(addresses, version, ipaddr)
+
+ elif cmd=='update_session':
+ try:
+ session_id, addresses = ast.literal_eval(data)
+ except:
+ print "error"
+ return None
+ out = update_session(session_id,addresses,ipaddr)
+
+
+ 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 = electrum.Wallet()
+ 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 electrum 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 electrum 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 = cmd_poll(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 "sent tx:", 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):
- conn = bitcoinrpc.connect_to_local()
- try:
- v = conn.getmemorypool()
- except:
- print "cannot contact bitcoin daemon"
- return
+ ds = BCDataStream.BCDataStream()
+ store.mempool_keys = []
+
+ postdata = dumps({"method": 'getmemorypool', 'params': [], 'id':'jsonrpc'})
+ respdata = urllib.urlopen(bitcoind_url, postdata).read()
+ v = loads(respdata)['result']
+
+
v = v['transactions']
for hextx in v:
ds.clear()
ds.write(hextx.decode('hex'))
tx = deserialize.parse_Transaction(ds)
- #print "new tx",tx
-
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:
-
def clean_session_thread():
while not stopping:
time.sleep(30)
t = time.time()
- for k,t0 in sessions_last_time.items():
+ for k,s in sessions.items():
+ t0 = s['last_time']
if t - t0 > 5*60:
- print time.asctime(), "lost session",k
+ print time.strftime("[%d/%m/%Y-%H:%M:%S]"), "end session", s['ip']
sessions.pop(k)
- sessions_last_time.pop(k)
def irc_thread():
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(('localhost', 8080))
+ 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.serve_forever()
+
+
import traceback
if __name__ == '__main__':
if len(sys.argv)>1:
+ import jsonrpclib
+ server = jsonrpclib.Server('http://localhost:8080')
cmd = sys.argv[1]
if cmd == 'load':
- request = "('load','%s')#"%config.get('server','password')
+ out = server.load(password)
elif cmd == 'peers':
- request = "('peers','')#"
+ out = server.peers()
elif cmd == 'stop':
- request = "('stop','%s')#"%config.get('server','password')
+ 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':
- request = "('h','%s')#"%sys.argv[2]
+ out = server.blockchain.address.get_history(sys.argv[2])
+ elif cmd == 'tx':
+ out = server.blockchain.transaction.broadcast(sys.argv[2])
elif cmd == 'b':
- request = "('b','')#"
-
- s = socket.socket( socket.AF_INET, socket.SOCK_STREAM)
- s.connect((config.get('server','host'), config.getint('server','port')))
- s.send( request )
- out = ''
- while 1:
- msg = s.recv(1024)
- if msg: out += msg
- else: break
- s.close()
+ out = server.blocks()
print out
sys.exit(0)
args.connect_args = { 'database' : config.get('database','database') }
store = MyStore(args)
store.tx_cache = {}
- store.ismempool = False
+ 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, ())
try:
dblock.acquire()
store.catch_up()
- store.ismempool = True
memorypool_update(store)
- store.ismempool = False
block_number = store.get_block_number(1)
dblock.release()
except: