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')
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:
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
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()
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"
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()
"""
-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
stopping = False
block_number = -1
-old_block_number = -1
sessions = {}
sessions_sub_numblocks = {} # sessions that have subscribed to the service
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
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)
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)
+ # from db import MyStore
+ store = MyStore(config,address_queue)
# supported protocols
thread.start_new_thread(native_server_thread, ())
print "starting Electrum server"
-
+ old_block_number = None
while not stopping:
block_number = store.main_iteration()
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)
git://git.novaco.in / electrum-server.git / commitdiff