Todo:
* server should check and return bitcoind status..
* improve txpoint sorting
+ * command to check cache
"""
-SERVER_MESSAGE = """
-Welcome to ecdsa.org.
-
-This service is free. Support this node:
-19mP9FKrXqL46Si58pHdhGKow88SUPy1V8
-
-The server code is free software; you may
-download it and operate your own Electrum
-node. See http://ecdsa.org/electrum
-"""
-
-
-
-import time, socket, operator, thread, ast, sys
+import time, socket, operator, thread, ast, sys,re
import psycopg2, binascii
import bitcoinrpc
from Abe.DataStore import DataStore as Datastore_class
from Abe import DataStore, readconf, BCDataStream, deserialize, util, base58
-
+import ConfigParser
+
+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')
+ config.readfp(f)
+ f.close()
+except:
+ print "Could not read electrum.conf. I will use the default values."
+
+stopping = False
+block_number = -1
sessions = {}
dblock = thread.allocate_lock()
+peer_list = {}
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.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:
- 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_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"
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,
+ #"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']
def send_tx(tx):
def listen_thread(store):
-
s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
s.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
- s.bind(('ecdsa.org', 50000))
+ 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,))
+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
+ #print "client thread", ipaddr
try:
ipaddr = ipaddr[0]
msg = ''
while 1:
d = conn.recv(1024)
msg += d
+ if not d:
+ break
if d[-1]=='#':
break
- print msg
+ #print msg
try:
cmd, data = ast.literal_eval(msg[:-1])
return
if cmd=='b':
- out = "%d"%store.get_block_number(1)
+ out = "%d"%block_number
+
+ elif cmd in ['session','new_session']:
+ session_id = random_string(10)
+ try:
+ if cmd == 'session':
+ addresses = ast.literal_eval(data)
+ version = "old"
+ else:
+ version, addresses = ast.literal_eval(data)
+ except:
+ print "error"
+ conn.close()
+ return
- elif cmd=='session':
- import random, string
- session_id = ''.join(random.choice(string.ascii_uppercase + string.digits) for x in range(10))
- print "new session", ipaddr, session_id
+ print time.strftime("[%d/%m/%Y-%H:%M:%S]"), "new session", ipaddr, addresses[0] if addresses else addresses, len(addresses), "v"+version
- addresses = ast.literal_eval(data)
- sessions[session_id] = {}
+ sessions[session_id] = { 'addresses':{}, 'version':version, 'ip':ipaddr }
for a in addresses:
- sessions[session_id][a] = ''
- out = repr( (session_id, SERVER_MESSAGE) )
+ sessions[session_id]['addresses'][a] = ''
+ out = repr( (session_id, config.get('server','banner').replace('\\n','\n') ) )
+ sessions[session_id]['last_time'] = time.time()
+
+ elif cmd=='update_session':
+ try:
+ session_id, addresses = ast.literal_eval(data)
+ except:
+ print "error"
+ conn.close()
+ return
+
+ 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()
elif cmd=='poll':
session_id = data
- addresses = sessions.get(session_id)
- if not addresses:
- print "session not found", ipaddr
+ session = sessions.get(session_id)
+ if session is None:
+ print time.asctime(), "session not found", session_id, ipaddr
out = repr( (-1, {}))
else:
+ t1 = time.time()
+ addresses = session['addresses']
+ session['last_time'] = time.time()
ret = {}
+ k = 0
for addr in addresses:
- status = store.get_status( addr )
- last_status = sessions[session_id].get( addr )
+ 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_txpoints(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 + ':%s'% lastpoint['tx_hash']
+
+ last_status = addresses.get( addr )
if last_status != status:
- sessions[session_id][addr] = status
+ addresses[addr] = status
ret[addr] = status
- out = repr( (store.get_block_number(1), ret ) )
+ 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
elif cmd == 'h':
# history
- addr = data
- h = store.get_txpoints( addr )
- out = repr(h)
+ 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':
- # transaction
out = send_tx(data)
+ print "sent tx:", out
+
+ elif cmd =='clear_cache':
+ if config.get('server','password') == data:
+ self.tx_cache = {}
+ out = 'ok'
+ else:
+ out = 'wrong password'
+
+ elif cmd =='get_cache':
+ try:
+ pw, addr = data
+ except:
+ addr = None
+ if addr:
+ if config.get('server','password') == pw:
+ out = store.tx_cache.get(addr)
+ out = repr(out)
+ else:
+ out = 'wrong password'
+ else:
+ out = "error: "+ repr(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
ds = BCDataStream.BCDataStream()
-def memorypool_update(store):
+
+def memorypool_update(store):
conn = bitcoinrpc.connect_to_local()
try:
v = conn.getmemorypool()
except:
- print "cannot contact bitcoin daemmon"
+ print "cannot contact bitcoin daemon"
return
v = v['transactions']
for hextx in v:
ds.write(hextx.decode('hex'))
tx = deserialize.parse_Transaction(ds)
tx['hash'] = util.double_sha256(tx['tx'])
-
if store.tx_find_id_and_value(tx):
pass
else:
+ #print "new tx", tx['hash'][::-1].encode('hex')
store.import_tx(tx, False)
- print tx['hash'][::-1].encode('hex')
+
store.commit()
+
+
+
+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:
+ print time.strftime("[%d/%m/%Y-%H:%M:%S]"), "end session", s['ip']
+ 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()
+
+
import traceback
if __name__ == '__main__':
+ if len(sys.argv)>1:
+ cmd = sys.argv[1]
+ if cmd == 'load':
+ request = "('load','%s')#"%config.get('server','password')
+ elif cmd == 'peers':
+ request = "('peers','')#"
+ elif cmd == 'stop':
+ request = "('stop','%s')#"%config.get('server','password')
+ elif cmd == 'clear_cache':
+ request = "('clear_cache','%s')#"%config.get('server','password')
+ elif cmd == 'get_cache':
+ request = "('get_cache',('%s','%s'))#"%(config.get('server','password'),sys.argv[2])
+ elif cmd == 'h':
+ request = "('h','%s')#"%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()
+ 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.ismempool = False
- #thread.start_new_thread(listen_thread, (store,))
- listen_thread(store)
- exit(0)
+ thread.start_new_thread(listen_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()
+ 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)
+ print "server stopped"
+
git://git.novaco.in / electrum-server.git / blobdiff