X-Git-Url: https://git.novaco.in/?a=blobdiff_plain;f=server.py;h=1c9a409de820fd863b20b738a2e6affb3618a037;hb=aa3bd16ea7859ac656d58e3f0b8cd06b3e88af05;hp=fafec4f08008c6b4b28f3bf8542c802bb0c55294;hpb=a85471f69d1980b67f599c7483265947900b2f3a;p=electrum-server.git

diff --git a/server.py b/server.py
index fafec4f..1c9a409 100755
--- a/server.py
+++ b/server.py
@@ -1,5 +1,5 @@
 #!/usr/bin/env python
-# Copyright(C) 2011 thomasv@gitorious
+# Copyright(C) 2012 thomasv@gitorious
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU Affero General Public License as
@@ -24,27 +24,25 @@ Todo:
  mempool transactions do not need to be added to the database; it slows it down
 """
 
+import abe_backend
 
-import time, socket, operator, thread, ast, sys,re
-import psycopg2, binascii
 
-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 time, json, socket, operator, thread, ast, sys, re, traceback
 import ConfigParser
 from json import dumps, loads
 import urllib
 
+
 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')
@@ -57,277 +55,27 @@ 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')
-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 = {}
-dblock = thread.allocate_lock()
-peer_list = {}
 
-wallets = {} # for ultra-light clients such as bccapi
-
-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.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.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_history(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 None
+m_sessions = [{}] # served by http
 
-        dbhash = self.binin(binaddr)
-        rows = []
-        rows += self.get_address_out_rows( dbhash )
-        rows += self.get_address_in_rows( dbhash )
+peer_list = {}
 
-        txpoints = []
-        known_tx = []
+from Queue import Queue
+input_queue = Queue()
+output_queue = Queue()
 
-        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
-
-            # 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', 
-                    "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 send_tx(tx):
-    postdata = dumps({"method": 'importtransaction', 'params': [tx], 'id':'jsonrpc'})
-    respdata = urllib.urlopen(bitcoind_url, postdata).read()
-    try:
-        v = loads(respdata)['result']
-    except:
-        v = "error: transaction rejected by memorypool"
-    return v
 
 
 
@@ -337,102 +85,149 @@ def random_string(N):
 
     
 
-def cmd_stop(data):
+def cmd_stop(_,__,pw):
     global stopping
-    if password == data:
+    if password == pw:
         stopping = True
         return 'ok'
     else:
         return 'wrong password'
 
-def cmd_load(pw):
+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):
+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
+
+
+def poll_session(session_id): 
+    # native
     session = sessions.get(session_id)
     if session is None:
         print time.asctime(), "session not found", session_id
-        out = repr( (-1, {}))
+        return -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
+        sessions[session_id]['last_time'] = time.time()
+        ret, addresses = modified_addresses(session)
+        if ret: sessions[session_id]['addresses'] = addresses
+        return repr( (store.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:
+        m_sessions[0][session_id]['last_time'] = time.time()
+        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 new_session(addresses, version):
+
+
+def address_get_history_json(_,message_id,address):
+    return store.get_history(address)
+
+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 add_address_to_session_json(session_id, message_id, address):
+    global m_sessions
+    sessions = m_sessions[0]
+    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 = store.get_status(address)
+    sessions[session_id]['addresses'][address] = ("", 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] = ''
+        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 get_banner(_,__):
+    return config.get('server','banner').replace('\\n','\n')
+
 def update_session(session_id,addresses):
+    """deprecated in 0.42, wad replaced by add_address_to_session"""
     sessions[session_id]['addresses'] = {}
     for a in addresses:
         sessions[session_id]['addresses'][a] = ''
     sessions[session_id]['last_time'] = time.time()
     return 'ok'
 
-def listen_thread(store):
+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 client_thread(ipaddr,conn):
+def native_client_thread(ipaddr,conn):
     #print "client thread", ipaddr
     try:
         ipaddr = ipaddr[0]
@@ -464,6 +259,10 @@ def client_thread(ipaddr,conn):
         conn.close()
 
 
+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':
@@ -480,67 +279,29 @@ def do_command(cmd, data, ipaddr):
         except:
             print "error", data
             return None
-        print time.strftime("[%d/%m/%Y-%H:%M:%S]"), "new session", ipaddr, addresses[0] if addresses else addresses, len(addresses), version
-        out = new_session(addresses, version)
+        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:
+            traceback.print_exc(file=sys.stdout)
+            print data
+            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"
+            traceback.print_exc(file=sys.stdout)
             return None
-        print time.strftime("[%d/%m/%Y-%H:%M:%S]"), "update session", ipaddr, addresses[0] if addresses else addresses, len(addresses)
+        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 = 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)
+        out = poll_session(data)
 
     elif cmd == 'h': 
         # history
@@ -548,11 +309,11 @@ def do_command(cmd, data, ipaddr):
         out = repr( store.get_history( address ) )
 
     elif cmd == 'load': 
-        out = cmd_load(data)
+        out = cmd_load(None,None,data)
 
     elif cmd =='tx':
-        out = send_tx(data)
-        print "sent tx:", out
+        out = store.send_tx(data)
+        print timestr(), "sent tx:", ipaddr, out
 
     elif cmd == 'stop':
         out = cmd_stop(data)
@@ -566,44 +327,69 @@ def do_command(cmd, data, ipaddr):
     return out
 
 
+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 memorypool_update(store):
-    ds = BCDataStream.BCDataStream()
-    store.mempool_keys = []
 
-    postdata = dumps({"method": 'getmemorypool', 'params': [], 'id':'jsonrpc'})
-    respdata = urllib.urlopen(bitcoind_url, postdata).read()
-    v = loads(respdata)['result']
+import stratum
 
+class AbeProcessor(stratum.Processor):
+    def process(self,request):
+        message_id = request['id']
+        method = request['method']
+        params = request.get('params',[])
+        #print request
 
-    v = v['transactions']
-    for hextx in v:
-        ds.clear()
-        ds.write(hextx.decode('hex'))
-        tx = deserialize.parse_Transaction(ds)
-        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):
+        result = ''
+        if method == 'numblocks.subscribe':
+            result = store.block_number
+        elif method == 'address.subscribe':
+            address = params[0]
+            store.watch_address(address)
+            status = store.get_status(address)
+            result = status
+        elif method == 'client.version':
+            #session.version = params[0]
             pass
+        elif method == 'server.banner':
+            result = config.get('server','banner').replace('\\n','\n')
+        elif method == 'server.peers':
+            result = peer_list.values()
+        elif method == 'address.get_history':
+            address = params[0]
+            result = store.get_history( address ) 
+        elif method == 'transaction.broadcast':
+            txo = store.send_tx(params[0])
+            print "sent tx:", txo
+            result = txo 
         else:
-            store.import_tx(tx, False)
+            print "unknown method", request
+
+        if result!='':
+            response = { 'id':message_id, 'method':method, 'params':params, 'result':result }
+            self.push_response(response)
+
+    def get_status(self,addr):
+        return store.get_status(addr)
+
+
+
+####################################################################
 
-    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
@@ -647,37 +433,39 @@ def irc_thread():
             s.close()
 
 
+def get_peers_json(_,__):
+    return peer_list.values()
 
-def jsonrpc_thread(store):
+def http_server_thread():
     # 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')
+    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(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.register_function(get_banner, 'server.banner')
+    server.register_function(lambda a,b,c: store.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://localhost:8080')
+        server = jsonrpclib.Server('http://%s:8081'%config.get('server','host'))
         cmd = sys.argv[1]
         if cmd == 'load':
             out = server.load(password)
         elif cmd == 'peers':
-            out = server.peers()
+            out = server.server.peers()
         elif cmd == 'stop':
             out = server.stop(password)
         elif cmd == 'clear_cache':
@@ -685,47 +473,48 @@ if __name__ == '__main__':
         elif cmd == 'get_cache':
             out = server.get_cache(password,sys.argv[2])
         elif cmd == 'h':
-            out = server.blockchain.address.get_history(sys.argv[2])
+            out = server.address.get_history(sys.argv[2])
         elif cmd == 'tx':
-            out = server.blockchain.transaction.broadcast(sys.argv[2])
+            out = server.transaction.broadcast(sys.argv[2])
         elif cmd == 'b':
-            out = server.blocks()
+            out = server.numblocks.subscribe()
+        else:
+            out = "Unknown command: '%s'" % cmd
         print out
         sys.exit(0)
 
+    # backend
+    store = abe_backend.AbeStore(config)
 
-    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.mempool_keys = {}
-
-    thread.start_new_thread(listen_thread, (store,))
-    thread.start_new_thread(jsonrpc_thread, (store,))
+    # supported protocols
+    thread.start_new_thread(native_server_thread, ())
     thread.start_new_thread(clean_session_thread, ())
+
+    #thread.start_new_thread(http_server_thread, ())
+
+
+    processor = AbeProcessor()
+    shared = stratum.Shared()
+    # Bind shared to processor since constructor is user defined
+    processor.shared = shared
+    processor.start()
+
+    # Create various transports we need
+
+    #tcp stratum
+    tcpserver = stratum.TcpServer(shared, processor, "ecdsa.org",50001)
+    tcpserver.start()
+
+    #http stratum
+    from StratumJSONRPCServer import HttpServer
+    server = HttpServer(shared, processor, "ecdsa.org",8081)
+    server.start()
+
+
     if (config.get('server','irc') == 'yes' ):
 	thread.start_new_thread(irc_thread, ())
 
-    while not stopping:
-        try:
-            dblock.acquire()
-            store.catch_up()
-            memorypool_update(store)
-            block_number = store.get_block_number(1)
-            dblock.release()
-        except:
-            traceback.print_exc(file=sys.stdout)
-        time.sleep(10)
-
+    print "starting Electrum server"
+    store.run(processor)
     print "server stopped"