* 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
+import time, json, socket, operator, thread, ast, sys,re
-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', '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')
+
stopping = False
block_number = -1
+old_block_number = -1
sessions = {}
-sessions_last_time = {}
-dblock = thread.allocate_lock()
+sessions_sub_numblocks = {} # sessions that have subscribed to the service
+
+m_sessions = [{}] # served by http
+
peer_list = {}
+wallets = {} # for ultra-light clients such as bccapi
+
+from Queue import Queue
+input_queue = Queue()
+output_queue = Queue()
+address_queue = Queue()
+
+
+
+
+
+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 )
-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 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.ismempool
- 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
- self.tx_cache.pop(address)
-
- def safe_sql(self,sql, params=(), lock=True):
- try:
- 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, lock=True):
- 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), (), lock)
-
- def get_tx_inputs(self, tx_id, lock=True):
- 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,), (), lock)
-
- 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 = ?
- 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 = ? """, (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 = ?
- 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 = ? """, (dbhash,))
-
- def get_txpoints(self, addr):
-
- if config.get('server','cache') == 'yes':
- 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:
- 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 )
- 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
-
- address_has_mempool = True
- #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]
-
- # 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']
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\n"+tx
+ 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(_,__,pw):
+ global stopping
+ if password == pw:
+ stopping = True
+ return 'ok'
+ else:
+ return 'wrong password'
+
+def cmd_load(_,__,pw):
+ if password == pw:
+ return repr( len(sessions) )
+ else:
+ return 'wrong password'
+
+
+
+
+
+def modified_addresses(session):
+ if 1:
+ t1 = time.time()
+ addresses = session['addresses']
+ session['last_time'] = time.time()
+ ret = {}
+ k = 0
+ for addr in addresses:
+ status = get_address_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:
+ 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:
+ 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] = ('','')
+ 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 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 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]
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 timestr():
+ return time.strftime("[%d/%m/%Y-%H:%M:%S]")
+# used by the native handler
+def do_command(cmd, data, ipaddr):
+ if cmd=='b':
+ out = "%d"%block_number
-def memorypool_update(store):
- conn = bitcoinrpc.connect_to_local()
- try:
- v = conn.getmemorypool()
- except:
- print "cannot contact bitcoin daemon"
- return
- 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'])
+ 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:
+ 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 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 = ''
- if store.tx_find_id_and_value(tx):
- pass
+ 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 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:
- store.import_tx(tx, False)
+ print "unknown command", method
+ if out:
+ out['id'] = message_id
+ out = json.dumps( out )
+ output_queue.put((session_id, out))
- store.commit()
+# 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)
+
+
+
+
+####################################################################
while not stopping:
time.sleep(30)
t = time.time()
- for k,t0 in sessions_last_time.items():
+ for k,s in sessions.items():
+ if s.get('type') == 'persistent': continue
+ t0 = s['last_time']
if t - t0 > 5*60:
- print time.asctime(), "lost session",k
sessions.pop(k)
- sessions_last_time.pop(k)
+ print "lost session", k
def irc_thread():
s.close()
+def get_peers_json(_,__):
+ return peer_list.values()
+
+def http_server_thread():
+ # see http://code.google.com/p/jsonrpclib/
+ from SocketServer import ThreadingMixIn
+ 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(get_banner, 'server.banner')
+ server.register_function(lambda a,b,c: send_tx(c), '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(subscribe_to_numblocks_json, 'numblocks.subscribe')
+ server.register_function(client_version_json, 'client.version')
+ server.register_function(create_session_json, 'session.create') # internal message (not part of protocol)
+ server.register_function(poll_session_json, 'session.poll') # internal message (not part of protocol)
+ 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':
- request = "('load','%s')#"%config.get('server','password')
+ out = server.load(password)
elif cmd == 'peers':
- request = "('peers','')#"
+ out = server.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.address.get_history(sys.argv[2])
+ elif cmd == 'tx':
+ out = server.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.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)
- 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.ismempool = False
-
- thread.start_new_thread(listen_thread, (store,))
+ # backend
+ import db
+ store = db.MyStore(config,address_queue)
+
+
+ # supported protocols
+ thread.start_new_thread(native_server_thread, ())
+ thread.start_new_thread(tcp_server_thread, ())
+ thread.start_new_thread(http_server_thread, ())
thread.start_new_thread(clean_session_thread, ())
+
if (config.get('server','irc') == 'yes' ):
thread.start_new_thread(irc_thread, ())
+ print "starting Electrum server"
+
+
while not stopping:
- 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:
- traceback.print_exc(file=sys.stdout)
- time.sleep(10)
+ block_number = store.main_iteration()
+
+ if block_number != old_block_number:
+ old_block_number = block_number
+ for session_id in sessions_sub_numblocks.keys():
+ send_numblocks(session_id)
+ # 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