electrum

Electrum Bitcoin wallet
git clone https://git.parazyd.org/electrum
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commit 617f8a18ef5556ad425e5ff59a8c2ac4e5a73179
parent 4a03f571b46ec87281d62107fc75d95a89c836ee
Author: ThomasV <thomasv@gitorious>
Date:   Wed, 21 Mar 2012 11:35:18 +0300

move store back into main

Diffstat:
Mserver/db.py | 47+++++++++++++++++++++++++++--------------------
Mserver/server.py | 360++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++---
2 files changed, 376 insertions(+), 31 deletions(-)

diff --git a/server/db.py b/server/db.py @@ -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') @@ -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: @@ -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 @@ -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() @@ -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" @@ -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() diff --git a/server/server.py b/server/server.py @@ -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 @@ -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 @@ -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 @@ -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) @@ -596,9 +939,6 @@ def http_server_thread(): server.serve_forever() -import traceback - - if __name__ == '__main__': if len(sys.argv)>1: @@ -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, ()) @@ -642,7 +981,7 @@ if __name__ == '__main__': print "starting Electrum server" - + old_block_number = None while not stopping: block_number = store.main_iteration() @@ -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)