URI: 
       tmove store back into main - electrum - Electrum Bitcoin wallet
  HTML git clone https://git.parazyd.org/electrum
   DIR Log
   DIR Files
   DIR Refs
   DIR Submodules
       ---
   DIR commit 617f8a18ef5556ad425e5ff59a8c2ac4e5a73179
   DIR parent 4a03f571b46ec87281d62107fc75d95a89c836ee
  HTML Author: ThomasV <thomasv@gitorious>
       Date:   Wed, 21 Mar 2012 11:35:18 +0300
       
       move store back into main
       
       Diffstat:
         M server/db.py                        |      47 ++++++++++++++++++-------------
         M server/server.py                    |     360 ++++++++++++++++++++++++++++++-
       
       2 files changed, 376 insertions(+), 31 deletions(-)
       ---
   DIR diff --git a/server/db.py b/server/db.py
       t@@ -24,11 +24,10 @@ import psycopg2, binascii
        import thread, traceback, sys, urllib, operator
        from json import dumps, loads
        
       -dblock = thread.allocate_lock()
        
        class MyStore(Datastore_class):
        
       -    def __init__(self,config, address_queue):
       +    def __init__(self, config, address_queue):
                conf = DataStore.CONFIG_DEFAULTS
                args, argv = readconf.parse_argv( [], conf)
                args.dbtype = config.get('database','type')
       t@@ -46,12 +45,13 @@ class MyStore(Datastore_class):
                self.bitcoind_url = 'http://%s:%s@%s:%s/' % ( config.get('bitcoind','user'), config.get('bitcoind','password'), config.get('bitcoind','host'), config.get('bitcoind','port'))
        
                self.address_queue = address_queue
       +        self.dblock = thread.allocate_lock()
        
        
        
            def import_block(self, b, chain_ids=frozenset()):
                block_id = super(MyStore, self).import_block(b, chain_ids)
       -        #print "block", block_id
       +        print "import block", block_id
                for pos in xrange(len(b['transactions'])):
                    tx = b['transactions'][pos]
                    if 'hash' not in tx:
       t@@ -85,9 +85,9 @@ class MyStore(Datastore_class):
        
            def safe_sql(self,sql, params=(), lock=True):
                try:
       -            if lock: dblock.acquire()
       +            if lock: self.dblock.acquire()
                    ret = self.selectall(sql,params)
       -            if lock: dblock.release()
       +            if lock: self.dblock.release()
                    return ret
                except:
                    print "sql error", sql
       t@@ -330,17 +330,6 @@ class MyStore(Datastore_class):
                    tx['hash'] = util.double_sha256(tx['tx'])
                    tx_hash = store.hashin(tx['hash'])
        
       -            store.mempool_keys.append(tx_hash)
       -            if store.tx_find_id_and_value(tx):
       -                pass
       -            else:
       -                tx_id = store.import_tx(tx, False)
       -                store.update_tx_cache(tx_id)
       -
       -        store.commit()
       -
       -
       -
            def send_tx(self,tx):
                postdata = dumps({"method": 'importtransaction', 'params': [tx], 'id':'jsonrpc'})
                respdata = urllib.urlopen(self.bitcoind_url, postdata).read()
       t@@ -352,15 +341,14 @@ class MyStore(Datastore_class):
                return out
        
        
       -
       -
            def main_iteration(store):
                try:
       -            dblock.acquire()
       +            store.dblock.acquire()
                    store.catch_up()
                    store.memorypool_update()
        
                    block_number = store.get_block_number(1)
       +            print block_number
        
                except IOError:
                    print "IOError: cannot reach bitcoind"
       t@@ -369,8 +357,27 @@ class MyStore(Datastore_class):
                    traceback.print_exc(file=sys.stdout)
                    block_number = 0
                finally:
       -            dblock.release()
       +            store.dblock.release()
       +
        
                return block_number
        
        
       +if __name__ == '__main__':
       +    import Queue, ConfigParser
       +
       +    config = ConfigParser.ConfigParser()
       +    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."
       +
       +    address_queue = Queue.Queue()
       +    store = MyStore(config,address_queue)
       +    store.main_iteration()
   DIR diff --git a/server/server.py b/server/server.py
       t@@ -25,9 +25,352 @@ Todo:
        """
        
        
       -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 psycopg2, binascii
        
       +import thread, traceback, sys, urllib, operator
       +from json import dumps, loads
       +
       +
       +class MyStore(Datastore_class):
       +
       +    def __init__(self, config, address_queue):
       +        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') }
       +
       +        Datastore_class.__init__(self,args)
       +
       +        self.tx_cache = {}
       +        self.mempool_keys = {}
       +        self.bitcoind_url = 'http://%s:%s@%s:%s/' % ( config.get('bitcoind','user'), config.get('bitcoind','password'), config.get('bitcoind','host'), config.get('bitcoind','port'))
       +
       +        self.address_queue = address_queue
       +        self.dblock = thread.allocate_lock()
       +
       +
       +
       +    def import_block(self, b, chain_ids=frozenset()):
       +        block_id = super(MyStore, self).import_block(b, chain_ids)
       +        for pos in xrange(len(b['transactions'])):
       +            tx = b['transactions'][pos]
       +            if 'hash' not in tx:
       +                tx['hash'] = util.double_sha256(tx['tx'])
       +            tx_id = store.tx_find_id_and_value(tx)
       +            if tx_id:
       +                self.update_tx_cache(tx_id)
       +            else:
       +                print "error: import_block: no tx_id"
       +        return block_id
       +
       +
       +    def update_tx_cache(self, txid):
       +        inrows = self.get_tx_inputs(txid, False)
       +        for row in inrows:
       +            _hash = self.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)
       +            self.address_queue.put(address)
       +
       +        outrows = self.get_tx_outputs(txid, False)
       +        for row in outrows:
       +            _hash = self.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)
       +            self.address_queue.put(address)
       +
       +    def safe_sql(self,sql, params=(), lock=True):
       +        try:
       +            if lock: self.dblock.acquire()
       +            ret = self.selectall(sql,params)
       +            if lock: self.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):
       +        
       +        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
       +
       +        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),
       +                    "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,
       +                    "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 not address_has_mempool:
       +            self.tx_cache[addr] = txpoints
       +        
       +        return txpoints
       +
       +
       +
       +    def memorypool_update(store):
       +
       +        ds = BCDataStream.BCDataStream()
       +        previous_transactions = store.mempool_keys
       +        store.mempool_keys = []
       +
       +        postdata = dumps({"method": 'getmemorypool', 'params': [], 'id':'jsonrpc'})
       +
       +        respdata = urllib.urlopen(store.bitcoind_url, postdata).read()
       +        r = loads(respdata)
       +        if r['error'] != None:
       +            return
       +
       +        v = r['result'].get('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 = store.hashin(tx['hash'])
       +
       +    def send_tx(self,tx):
       +        postdata = dumps({"method": 'importtransaction', 'params': [tx], 'id':'jsonrpc'})
       +        respdata = urllib.urlopen(self.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 main_iteration(store):
       +        try:
       +            store.dblock.acquire()
       +            store.catch_up()
       +            store.memorypool_update()
       +            block_number = store.get_block_number(1)
       +
       +        except IOError:
       +            print "IOError: cannot reach bitcoind"
       +            block_number = 0
       +        except:
       +            traceback.print_exc(file=sys.stdout)
       +            block_number = 0
       +        finally:
       +            store.dblock.release()
       +
       +        return block_number
       +
       +
       +
       +import time, json, socket, operator, thread, ast, sys, re, traceback
        import ConfigParser
        from json import dumps, loads
        import urllib
       t@@ -65,7 +408,6 @@ password = config.get('server','password')
        
        stopping = False
        block_number = -1
       -old_block_number = -1
        sessions = {}
        sessions_sub_numblocks = {} # sessions that have subscribed to the service
        
       t@@ -232,7 +574,7 @@ def add_address_to_session_json(session_id, message_id, address):
        
        def add_address_to_session(session_id, address):
            status = get_address_status(address)
       -    sessions[session_id]['addresses'][addr] = ("", status)
       +    sessions[session_id]['addresses'][address] = ("", status)
            sessions[session_id]['last_time'] = time.time()
            return status
        
       t@@ -348,6 +690,7 @@ def do_command(cmd, data, ipaddr):
                    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)
        
       t@@ -596,9 +939,6 @@ def http_server_thread():
            server.serve_forever()
        
        
       -import traceback
       -
       -
        if __name__ == '__main__':
        
            if len(sys.argv)>1:
       t@@ -626,10 +966,9 @@ if __name__ == '__main__':
                print out
                sys.exit(0)
        
       -
            # backend
       -    import db
       -    store = db.MyStore(config,address_queue)
       +    # from db import MyStore
       +    store = MyStore(config,address_queue)
        
            # supported protocols
            thread.start_new_thread(native_server_thread, ())
       t@@ -642,7 +981,7 @@ if __name__ == '__main__':
        
            print "starting Electrum server"
        
       -
       +    old_block_number = None
            while not stopping:
                block_number = store.main_iteration()
        
       t@@ -650,7 +989,6 @@ if __name__ == '__main__':
                    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)