Todo:
* server should check and return bitcoind status..
* improve txpoint sorting
+ * command to check cache
"""
# 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', 'ecdsa.org')
+config.set('server', 'host', 'localhost')
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')
config.readfp(f)
f.close()
except:
- print "Could not read electrum.conf. I will use the dafault values."
+ print "Could not read electrum.conf. I will use the default values."
stopping = False
block_number = -1
peer_list = {}
+
+
class MyStore(Datastore_class):
- def safe_sql(self,sql, params=()):
+ 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.ismempool
+ 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.ismempool
+ self.tx_cache.pop(address)
+
+ def safe_sql(self,sql, params=(), lock=True):
try:
- dblock.acquire()
+ if lock: dblock.acquire()
ret = self.selectall(sql,params)
- dblock.release()
+ if lock: dblock.release()
return ret
except:
print "sql error", sql
return []
- def get_tx_outputs(self, tx_id):
+ def get_tx_outputs(self, tx_id, lock=True):
return self.safe_sql("""SELECT
txout.txout_pos,
txout.txout_scriptPubKey,
LEFT JOIN tx nexttx ON (txin.tx_id = nexttx.tx_id)
WHERE txout.tx_id = %d
ORDER BY txout.txout_pos
- """%(tx_id))
+ """%(tx_id), (), lock)
- def get_tx_inputs(self, tx_id):
+ def get_tx_inputs(self, tx_id, lock=True):
return self.safe_sql(""" SELECT
txin.txin_pos,
txin.txin_scriptSig,
LEFT JOIN unlinked_txin u ON (u.txin_id = txin.txin_id)
WHERE txin.tx_id = %d
ORDER BY txin.txin_pos
- """%(tx_id,))
+ """%(tx_id,), (), lock)
def get_address_out_rows(self, dbhash):
return self.safe_sql(""" SELECT
WHERE pubkey.pubkey_hash = ? """, (dbhash,))
def get_txpoints(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 "err"
rows = []
rows += self.get_address_in_rows_memorypool( dbhash )
rows += self.get_address_out_rows_memorypool( dbhash )
+ address_has_no_mempool = (rows == [])
for row in rows:
is_in, tx_hash, tx_id, pos, value = row
tx_hash = self.hashout_hex(tx_hash)
#print "mempool", tx_hash
txpoint = {
"nTime": 0,
- "chain_id": 1,
+ #"chain_id": 1,
"height": 0,
"is_in": int(is_in),
"blk_hash": 'mempool',
if row:
if not row[4]: txpoint['raw_scriptPubKey'] = row[1]
-
+ # cache result
+ if config.get('server','cache') == 'yes' and address_has_no_mempool:
+ self.tx_cache[addr] = txpoints
+
return txpoints
def get_status(self, addr):
- # last block for an address
+ # last block for an address.
tx_points = self.get_txpoints(addr)
if not tx_points:
return None
elif cmd == 'h':
# history
- addr = data
- h = store.get_txpoints( addr )
- out = repr(h)
+ address = data
+ out = repr( store.get_txpoints( address ) )
elif cmd == 'load':
if config.get('server','password') == data:
ds = BCDataStream.BCDataStream()
-def memorypool_update(store):
+
+def memorypool_update(store):
conn = bitcoinrpc.connect_to_local()
try:
v = conn.getmemorypool()
except:
- print "cannot contact bitcoin daemmon"
+ print "cannot contact bitcoin daemon"
return
v = v['transactions']
for hextx in v:
ds.clear()
ds.write(hextx.decode('hex'))
tx = deserialize.parse_Transaction(ds)
+ #print "new tx",tx
+
tx['hash'] = util.double_sha256(tx['tx'])
if store.tx_find_id_and_value(tx):
pass
else:
store.import_tx(tx, False)
- #print tx['hash'][::-1].encode('hex')
+
store.commit()
elif time.time() - t > 5*60:
s.send('NAMES #electrum\n')
t = time.time()
+ peer_list = {}
except:
traceback.print_exc(file=sys.stdout)
finally:
request = "('peers','')#"
elif cmd == 'stop':
request = "('stop','%s')#"%config.get('server','password')
+ elif cmd == 'h':
+ request = "('h','%s')#"%sys.argv[2]
s = socket.socket( socket.AF_INET, socket.SOCK_STREAM)
s.connect((config.get('server','host'), config.getint('server','port')))
elif args.dbtype == 'psycopg2':
args.connect_args = { 'database' : config.get('database','database') }
store = MyStore(args)
+ store.tx_cache = {}
+ store.ismempool = False
thread.start_new_thread(listen_thread, (store,))
thread.start_new_thread(clean_session_thread, ())
try:
dblock.acquire()
store.catch_up()
+ store.ismempool = True
memorypool_update(store)
+ store.ismempool = False
block_number = store.get_block_number(1)
dblock.release()
except:
git://git.novaco.in / electrum-server.git / blobdiff