from Queue import Queue
import time, threading
+
class AbeStore(Datastore_class):
def __init__(self, config):
elif args.dbtype == 'psycopg2':
args.connect_args = { 'database' : config.get('database','database') }
+ coin = config.get('server', 'coin')
+ self.addrtype = 0
+ if coin == 'litecoin':
+ print 'Litecoin settings:'
+ datadir = config.get('server','datadir')
+ print ' datadir = ' + datadir
+ args.datadir = [{"dirname":datadir,"chain":"Litecoin","code3":"LTC","address_version":"\u0030"}]
+ print ' addrtype = 48'
+ self.addrtype = 48
+
Datastore_class.__init__(self,args)
+ self.sql_limit = int( config.get('database','limit') )
+
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 = Queue()
self.dblock = thread.allocate_lock()
+ self.last_tx_id = 0
+
+
+ def import_tx(self, tx, is_coinbase):
+ tx_id = super(AbeStore, self).import_tx(tx, is_coinbase)
+ self.last_tx_id = tx_id
+ return tx_id
+
for row in inrows:
_hash = self.binout(row[6])
if not _hash:
- print "WARNING: missing tx_in for tx", txid
+ #print "WARNING: missing tx_in for tx", txid
continue
- address = hash_to_address(chr(0), _hash)
+ address = hash_to_address(chr(self.addrtype), _hash)
if self.tx_cache.has_key(address):
print "cache: invalidating", address
self.tx_cache.pop(address)
for row in outrows:
_hash = self.binout(row[6])
if not _hash:
- print "WARNING: missing tx_out for tx", txid
+ #print "WARNING: missing tx_out for tx", txid
continue
- address = hash_to_address(chr(0), _hash)
+ address = hash_to_address(chr(self.addrtype), _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):
+
+ error = False
try:
if lock: self.dblock.acquire()
ret = self.selectall(sql,params)
except:
- print "sql error", sql
- ret = []
+ error = True
+ traceback.print_exc(file=sys.stdout)
finally:
if lock: self.dblock.release()
+ if error:
+ raise BaseException('sql error')
+
return ret
ORDER BY txin.txin_pos
"""%(tx_id,), (), lock)
+
def get_address_out_rows(self, dbhash):
- return self.safe_sql(""" SELECT
+ out = self.safe_sql(""" SELECT
b.block_nTime,
cc.chain_id,
b.block_height,
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,))
+ AND cc.in_longest = 1
+ LIMIT ? """, (dbhash,self.sql_limit))
+
+ if len(out)==self.sql_limit:
+ raise BaseException('limit reached')
+ return out
def get_address_out_rows_memorypool(self, dbhash):
- return self.safe_sql(""" SELECT
+ out = self.safe_sql(""" SELECT
1,
tx.tx_hash,
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 = ? """, (dbhash,))
+ WHERE pubkey.pubkey_hash = ?
+ LIMIT ? """, (dbhash,self.sql_limit))
+
+ if len(out)==self.sql_limit:
+ raise BaseException('limit reached')
+ return out
def get_address_in_rows(self, dbhash):
- return self.safe_sql(""" SELECT
+ out = self.safe_sql(""" SELECT
b.block_nTime,
cc.chain_id,
b.block_height,
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,))
+ AND cc.in_longest = 1
+ LIMIT ? """, (dbhash,self.sql_limit))
+
+ if len(out)==self.sql_limit:
+ raise BaseException('limit reached')
+ return out
def get_address_in_rows_memorypool(self, dbhash):
- return self.safe_sql( """ SELECT
+ out = self.safe_sql( """ SELECT
0,
tx.tx_hash,
tx.tx_id,
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,))
+ WHERE pubkey.pubkey_hash = ?
+ LIMIT ? """, (dbhash,self.sql_limit))
+
+ if len(out)==self.sql_limit:
+ raise BaseException('limit reached')
+ return out
def get_history(self, addr):
-
+
cached_version = self.tx_cache.get( addr )
if cached_version is not None:
return cached_version
if tx_hash in known_tx:
continue
+ # discard transactions that are too old
+ if self.last_tx_id - tx_id > 50000:
+ print "discarding tx id", tx_id
+ 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 = {
"timestamp": 0,
for row in inrows:
_hash = self.binout(row[6])
if not _hash:
- print "WARNING: missing tx_in for tx", tx_id, addr
+ #print "WARNING: missing tx_in for tx", tx_id, addr
continue
- address = hash_to_address(chr(0), _hash)
+ address = hash_to_address(chr(self.addrtype), _hash)
txinputs.append(address)
txpoint['inputs'] = txinputs
txoutputs = []
for row in outrows:
_hash = self.binout(row[6])
if not _hash:
- print "WARNING: missing tx_out for tx", tx_id, addr
+ #print "WARNING: missing tx_out for tx", tx_id, addr
continue
- address = hash_to_address(chr(0), _hash)
+ address = hash_to_address(chr(self.addrtype), _hash)
txoutputs.append(address)
txpoint['outputs'] = txoutputs
if row:
if not row[4]: txpoint['raw_output_script'] = row[1]
+ txpoint.pop('tx_id')
+
# cache result
+ # do not cache mempool results because statuses are ambiguous
if not address_has_mempool:
self.tx_cache[addr] = 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()
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)
+ #print tx_hash
store.commit()
def main_iteration(store):
- try:
- store.dblock.acquire()
+ with store.dblock:
store.catch_up()
store.memorypool_update()
block_number = store.get_block_number(1)
+ return block_number
- 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
def catch_up(store):
self.store = AbeStore(config)
self.block_number = -1
self.watched_addresses = []
+
+ # catch_up first
+ n = self.store.main_iteration()
+ print "blockchain: %d blocks"%n
+
threading.Timer(10, self.run_store_iteration).start()
def process(self, request):
message_id = request['id']
method = request['method']
params = request.get('params',[])
- result = ''
+ result = None
+ error = None
+
if method == 'blockchain.numblocks.subscribe':
result = self.block_number
+
elif method == 'blockchain.address.subscribe':
- address = params[0]
- self.watch_address(address)
- status = self.store.get_status(address)
- result = status
+ try:
+ address = params[0]
+ result = self.store.get_status(address)
+ self.watch_address(address)
+ except BaseException, e:
+ error = str(e) + ': ' + address
+ print "error:", error
+
elif method == 'blockchain.address.get_history':
- address = params[0]
- result = self.store.get_history( address )
+ try:
+ address = params[0]
+ result = self.store.get_history( address )
+ except BaseException, e:
+ error = str(e) + ': ' + address
+ print "error:", error
+
elif method == 'blockchain.transaction.broadcast':
txo = self.store.send_tx(params[0])
print "sent tx:", txo
result = txo
+
else:
- print "unknown method", request
+ error = "unknown method:%s"%method
- if result != '':
+
+ if error:
+ response = { 'id':message_id, 'error':error }
+ self.push_response(response)
+ elif result != '':
response = { 'id':message_id, 'result':result }
self.push_response(response)
def run_store_iteration(self):
+
+ try:
+ block_number = self.store.main_iteration()
+ except:
+ traceback.print_exc(file=sys.stdout)
+ print "terminating"
+ self.shared.stop()
+
if self.shared.stopped():
print "exit timer"
return
-
- block_number = self.store.main_iteration()
+
if self.block_number != block_number:
self.block_number = block_number
print "block number:", self.block_number
git://git.novaco.in / electrum-server.git / blobdiff