mempool transactions do not need to be added to the database; it slows it down
"""
+import abe_backend
-import time, json, socket, operator, thread, ast, sys,re
+
+import time, json, socket, operator, thread, ast, sys, re, traceback
import ConfigParser
from json import dumps, loads
import urllib
stopping = False
block_number = -1
-old_block_number = -1
sessions = {}
-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()
-
-
-
-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
+def modified_addresses(a_session):
+ #t1 = time.time()
+ import copy
+ session = copy.deepcopy(a_session)
+ addresses = session['addresses']
+ session['last_time'] = time.time()
+ ret = {}
+ k = 0
+ for addr in addresses:
+ status = store.get_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
+ #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):
print time.asctime(), "session not found", session_id
return -1, {}
else:
+ sessions[session_id]['last_time'] = time.time()
ret, addresses = modified_addresses(session)
if ret: sessions[session_id]['addresses'] = addresses
return repr( (block_number,ret))
if session is None:
raise BaseException("session not found %s"%session_id)
else:
+ m_sessions[0][session_id]['last_time'] = time.time()
out = []
ret, addresses = modified_addresses(session)
if ret:
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)
+ status = store.get_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)
+ status = store.get_status(address)
+ sessions[session_id]['addresses'][address] = ("", status)
sessions[session_id]['last_time'] = time.time()
return status
return config.get('server','banner').replace('\\n','\n')
def update_session(session_id,addresses):
- """deprecated in 0.42"""
+ """deprecated in 0.42, wad replaced by add_address_to_session"""
sessions[session_id]['addresses'] = {}
for a in addresses:
sessions[session_id]['addresses'][a] = ''
session_id, addr = ast.literal_eval(data)
except:
traceback.print_exc(file=sys.stdout)
+ print data
return None
out = add_address_to_session(session_id,addr)
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)
+def clean_session_thread():
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' }
+ time.sleep(30)
+ t = time.time()
+ for k,s in sessions.items():
+ if s.get('type') == 'persistent': continue
+ t0 = s['last_time']
+ if t - t0 > 5*60:
+ sessions.pop(k)
+ print "lost session", k
+
- 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)
+import stratum
+
+class AbeProcessor(stratum.Processor):
+ def process(self,session,request):
+ message_id = request['id']
+ method = request['method']
+ params = request.get('params',[])
+ #print request
+
+ result = ''
+ if method == 'numblocks.subscribe':
+ session.subscribe_to_numblocks(message_id)
+ result = block_number
+ elif method == 'address.subscribe':
+ address = params[0]
+ status = store.get_status(address)
+ session.subscribe_to_address(address,message_id,status)
+ result = status
elif method == 'client.version':
- sessions[session_id]['version'] = data[0]
+ session.version = params[0]
elif method == 'server.banner':
- out = { 'result':config.get('server','banner').replace('\\n','\n') }
+ result = config.get('server','banner').replace('\\n','\n')
elif method == 'server.peers':
- out = { 'result':peer_list.values() }
+ result = peer_list.values()
elif method == 'address.get_history':
- address = data[0]
- out = { 'result':store.get_history( address ) }
+ address = params[0]
+ result = store.get_history( address )
elif method == 'transaction.broadcast':
- postdata = dumps({"method": 'importtransaction', 'params': [data], 'id':'jsonrpc'})
- txo = urllib.urlopen(bitcoind_url, postdata).read()
+ txo = store.send_tx(params[0])
print "sent tx:", txo
- out = json.loads(txo)
+ result = txo
else:
- print "unknown command", method
- if out:
- out['id'] = message_id
- out = json.dumps( out )
- output_queue.put((session_id, out))
+ print "unknown method", request
-# 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)
-
+ if result!='':
+ response = { 'id':message_id, 'result':result }
+ self.push_response(session,response)
+
+ def get_status(self,addr):
+ return store.get_status(addr)
-def clean_session_thread():
- while not stopping:
- time.sleep(30)
- t = time.time()
- for k,s in sessions.items():
- if s.get('type') == 'persistent': continue
- t0 = s['last_time']
- if t - t0 > 5*60:
- sessions.pop(k)
- print "lost session", k
-
def irc_thread():
global peer_list
server.serve_forever()
-import traceback
-
-
if __name__ == '__main__':
if len(sys.argv)>1:
print out
sys.exit(0)
-
# backend
- import db
- store = db.MyStore(config,address_queue)
+ store = abe_backend.AbeStore(config)
# 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, ())
+ #tcp stratum
+ stratum_processor = AbeProcessor()
+ shared = stratum.Shared()
+ # Bind shared to processor since constructor is user defined
+ stratum_processor.shared = shared
+ stratum_processor.start()
+ # Create various transports we need
+ server = stratum.TcpServer(shared, stratum_processor, "ecdsa.org",50001)
+ server.start()
+
if (config.get('server','irc') == 'yes' ):
thread.start_new_thread(irc_thread, ())
print "starting Electrum server"
-
+ old_block_number = None
while not stopping:
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
+ stratum_processor.update_from_blocknum(block_number)
+
while True:
try:
- addr = address_queue.get(False)
+ addr = store.address_queue.get(False)
except:
break
- do_update_address(addr)
+
+ stratum_processor.update_from_address(addr)
time.sleep(10)
print "server stopped"