X-Git-Url: https://git.novaco.in/?p=electrum-server.git;a=blobdiff_plain;f=server.py;h=56f2b176b7418c1843b4ce5d1aa697a143776037;hp=20e39b5b64bba963778d46e0fce47096025e49ec;hb=72666f93a5b3ff0c0ac3e123f6d8bd938b466479;hpb=5c6e3ce6e1db7796b9795dfd9e1b5642a0f1f01e diff --git a/server.py b/server.py index 20e39b5..56f2b17 100755 --- a/server.py +++ b/server.py @@ -20,28 +20,32 @@ Todo: * 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') @@ -54,290 +58,268 @@ try: 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] @@ -347,166 +329,270 @@ def client_thread(ipaddr,conn): 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) + out = do_command(cmd, data, ipaddr) + if out: + #print ipaddr, cmd, len(out) try: - addresses = ast.literal_eval(data) + conn.send(out) except: - print "error" - conn.close() - return - - print time.asctime(), "new session", ipaddr, session_id, addresses[0] if addresses else addresses, len(addresses) + print "error, could not send" - 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() + finally: + conn.close() - elif cmd=='update_session': - try: - session_id, addresses = ast.literal_eval(data) - except: - print "error" - conn.close() - return - - print time.asctime(), "update session", ipaddr, session_id, addresses[0] if addresses else addresses, len(addresses) - - sessions[session_id] = {} - for a in addresses: - sessions[session_id][a] = '' - out = 'ok' - 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) +def timestr(): + return time.strftime("[%d/%m/%Y-%H:%M:%S]") - elif cmd =='clear_cache': - if config.get('server','password') == data: - self.tx_cache = {} - out = 'ok' - else: - out = 'wrong password' +# used by the native handler +def do_command(cmd, data, ipaddr): - 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) + if cmd=='b': + out = "%d"%block_number - elif cmd == 'stop': - global stopping - if config.get('server','password') == data: - stopping = True - out = 'ok' + elif cmd in ['session','new_session']: + try: + if cmd == 'session': + addresses = ast.literal_eval(data) + version = "old" else: - out = 'wrong password' + 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 == 'peers': - out = repr(peer_list.values()) + 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: - out = None + print "error",data + out = "error" - if out: - #print ipaddr, cmd, len(out) - try: - conn.send(out) - except: - print "error, could not send" + elif cmd == 'bccapi_getSendCoinForm': + out = '' - finally: - conn.close() - + elif cmd == 'bccapi_submitTransaction': + out = '' + + elif cmd=='poll': + out = poll_session(data) -ds = BCDataStream.BCDataStream() + 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) -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']) - - if store.tx_find_id_and_value(tx): - pass + 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)) + +# 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) + + + - store.commit() +#################################################################### @@ -515,11 +601,12 @@ 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(): + 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(): @@ -564,74 +651,92 @@ 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': - request = "('clear_cache','%s')#"%config.get('server','password') + out = server.clear_cache(password) elif cmd == 'get_cache': - request = "('get_cache',('%s','%s'))#"%(config.get('server','password'),sys.argv[2]) + 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"