raise BaseException('limit reached')
return out
- def get_history(self, addr):
+
+ def get_history(self, addr, cache_only=False):
with self.cache_lock:
cached_version = self.tx_cache.get( addr )
if cached_version is not None:
return cached_version
+ if cache_only: return -1
+
version, binaddr = decode_check_address(addr)
if binaddr is None:
return None
return txpoints
- def get_history2(self, addr):
- h = self.get_history(addr)
+ def get_history2(self, addr, cache_only=False):
+ h = self.get_history(addr, cache_only)
+ if cache_only and h==-1: return -1
+
out = map(lambda x: {'tx_hash':x['tx_hash'], 'height':x['height']}, h)
out2 = []
for item in out:
return out2
- def get_status(self,addr):
+ def get_status(self, addr, cache_only=False):
# get address status, i.e. the last block for that address.
- tx_points = self.get_history(addr)
+ tx_points = self.get_history(addr, cache_only)
+ if cache_only and tx_points == -1: return -1
+
if not tx_points:
status = None
else:
status = status + ':%d'% len(tx_points)
return status
- def get_status2(self,addr):
+ def get_status2(self, addr, cache_only=False):
# for 0.5 clients
- tx_points = self.get_history2(addr)
- if not tx_points:
- return None
+ tx_points = self.get_history2(addr, cache_only)
+ if cache_only and tx_points == -1: return -1
+ if not tx_points: return None
status = ''
for tx in tx_points:
status += tx.get('tx_hash') + ':%d:' % tx.get('height')
prev_block_hash,
block_height
FROM chain_summary
- WHERE block_height >= %d AND block_height< %d AND in_longest = 1"""%(index*2016, (index+1)*2016)
+ WHERE block_height >= %d AND block_height< %d AND in_longest = 1 ORDER BY block_height"""%(index*2016, (index+1)*2016)
out = self.safe_sql(sql)
msg = ''
ds = BCDataStream.BCDataStream()
postdata = dumps({"method": 'getrawmempool', 'params': [], 'id':'jsonrpc'})
respdata = urllib.urlopen(store.bitcoind_url, postdata).read()
+
r = loads(respdata)
if r['error'] != None:
print r['error']
return
mempool_hashes = r.get('result')
+ num_new_tx = 0
+
for tx_hash in mempool_hashes:
if tx_hash in store.known_mempool_hashes: continue
store.known_mempool_hashes.append(tx_hash)
+ num_new_tx += 1
postdata = dumps({"method": 'getrawtransaction', 'params': [tx_hash], 'id':'jsonrpc'})
respdata = urllib.urlopen(store.bitcoind_url, postdata).read()
store.commit()
store.known_mempool_hashes = mempool_hashes
+ return num_new_tx
def send_tx(self,tx):
def main_iteration(self):
with self.lock:
+ t1 = time.time()
self.catch_up()
- self.memorypool_update()
+ t2 = time.time()
+ time_catch_up = t2 - t1
+ n = self.memorypool_update()
+ time_mempool = time.time() - t2
height = self.get_block_number( self.chain_id )
- try: self.chunk_cache.pop(height/2016)
- except: pass
+
+ with self.cache_lock:
+ try:
+ self.chunk_cache.pop(height/2016)
+ except:
+ pass
block_header = self.get_block_header( height )
- return block_header
+ return block_header, time_catch_up, time_mempool, n
self.watched_addresses = []
# catch_up first
- self.block_header = self.store.main_iteration()
+ self.block_header, time_catch_up, time_mempool, n = self.store.main_iteration()
self.block_number = self.block_header.get('block_height')
print "blockchain: %d blocks"%self.block_number
threading.Timer(10, self.run_store_iteration).start()
- def process(self, request):
+
+ def add_request(self, request):
+ # see if we can get if from cache. if not, add to queue
+ if self.process( request, cache_only = True) == -1:
+ self.queue.put(request)
+
+
+ def process(self, request, cache_only = False):
#print "abe process", request
message_id = request['id']
elif method == 'blockchain.address.subscribe':
try:
address = params[0]
- result = self.store.get_status(address)
+ result = self.store.get_status(address, cache_only)
self.watch_address(address)
except BaseException, e:
error = str(e) + ': ' + address
elif method == 'blockchain.address.subscribe2':
try:
address = params[0]
- result = self.store.get_status2(address)
+ result = self.store.get_status2(address, cache_only)
self.watch_address(address)
except BaseException, e:
error = str(e) + ': ' + address
elif method == 'blockchain.address.get_history':
try:
address = params[0]
- result = self.store.get_history( address )
+ result = self.store.get_history( address, cache_only )
except BaseException, e:
error = str(e) + ': ' + address
print "error:", error
elif method == 'blockchain.address.get_history2':
try:
address = params[0]
- result = self.store.get_history2( address )
+ result = self.store.get_history2( address, cache_only )
except BaseException, e:
error = str(e) + ': ' + address
print "error:", error
elif method == 'blockchain.block.get_header':
- try:
- height = params[0]
- result = self.store.get_block_header( height )
- except BaseException, e:
- error = str(e) + ': %d'% height
- print "error:", error
-
+ if cache_only:
+ result = -1
+ else:
+ try:
+ height = params[0]
+ result = self.store.get_block_header( height )
+ except BaseException, e:
+ error = str(e) + ': %d'% height
+ print "error:", error
+
elif method == 'blockchain.block.get_chunk':
- try:
- index = params[0]
- result = self.store.get_chunk( index )
- except BaseException, e:
- error = str(e) + ': %d'% index
- print "error:", error
-
+ if cache_only:
+ result = -1
+ else:
+ try:
+ index = params[0]
+ result = self.store.get_chunk( index )
+ except BaseException, e:
+ error = str(e) + ': %d'% index
+ print "error:", error
+
elif method == 'blockchain.transaction.broadcast':
txo = self.store.send_tx(params[0])
print "sent tx:", txo
result = txo
elif method == 'blockchain.transaction.get_merkle':
- try:
- tx_hash = params[0]
- result = self.store.get_tx_merkle(tx_hash )
- except BaseException, e:
- error = str(e) + ': ' + tx_hash
- print "error:", error
-
+ if cache_only:
+ result = -1
+ else:
+ try:
+ tx_hash = params[0]
+ result = self.store.get_tx_merkle(tx_hash )
+ except BaseException, e:
+ error = str(e) + ': ' + tx_hash
+ print "error:", error
+
elif method == 'blockchain.transaction.get':
try:
tx_hash = params[0]
else:
error = "unknown method:%s"%method
+ if cache_only and result == -1: return -1
if error:
response = { 'id':message_id, 'error':error }
def run_store_iteration(self):
try:
- t1 = time.time()
- block_header = self.store.main_iteration()
- t2 = time.time() - t1
+ block_header, time_catch_up, time_mempool, n = self.store.main_iteration()
except:
traceback.print_exc(file=sys.stdout)
print "terminating"
print "exit timer"
return
+ #print "block number: %d (%.3fs) mempool:%d (%.3fs)"%(self.block_number, time_catch_up, n, time_mempool)
+
if self.block_number != block_header.get('block_height'):
self.block_number = block_header.get('block_height')
- print "block number: %d (%.3f seconds)"%(self.block_number, t2)
+ print "block number: %d (%.3fs)"%(self.block_number, time_catch_up)
self.push_response({ 'id': None, 'method':'blockchain.numblocks.subscribe', 'params':[self.block_number] })
if self.block_header != block_header: