def parse_TxIn(vds):
d = {}
d['prevout_hash'] = hash_encode(vds.read_bytes(32))
d['prevout_n'] = vds.read_uint32()
scriptSig = vds.read_bytes(vds.read_compact_size())
d['sequence'] = vds.read_uint32()
return d
def parse_TxIn(vds):
d = {}
d['prevout_hash'] = hash_encode(vds.read_bytes(32))
d['prevout_n'] = vds.read_uint32()
scriptSig = vds.read_bytes(vds.read_compact_size())
d['sequence'] = vds.read_uint32()
return d
def get_merkle(self, tx_hash, height, cache_only):
with self.cache_lock:
out = self.merkle_cache.get(tx_hash)
if out is not None:
return out
if cache_only:
return -1
block_hash = self.bitcoind('getblockhash', (height,))
b = self.bitcoind('getblock', (block_hash,))
tx_list = b.get('tx')
tx_pos = tx_list.index(tx_hash)
merkle = map(hash_decode, tx_list)
target_hash = hash_decode(tx_hash)
s = []
while len(merkle) != 1:
if len(merkle) % 2:
merkle.append(merkle[-1])
n = []
while merkle:
new_hash = Hash(merkle[0] + merkle[1])
if merkle[0] == target_hash:
s.append(hash_encode(merkle[1]))
target_hash = new_hash
elif merkle[1] == target_hash:
s.append(hash_encode(merkle[0]))
target_hash = new_hash
n.append(new_hash)
merkle = merkle[2:]
merkle = n
out = {"block_height": height, "merkle": s, "pos": tx_pos}
with self.cache_lock:
if len(self.merkle_cache) > self.max_cache_size:
logger.info("clearing merkle cache")
self.merkle_cache.clear()
self.merkle_cache[tx_hash] = out
return out
def get_merkle(self, tx_hash, height, cache_only):
with self.cache_lock:
out = self.merkle_cache.get(tx_hash)
if out is not None:
return out
if cache_only:
return -1
block_hash = self.quebecoind('getblockhash', (height, ))
b = self.quebecoind('getblock', (block_hash, ))
tx_list = b.get('tx')
tx_pos = tx_list.index(tx_hash)
merkle = map(hash_decode, tx_list)
target_hash = hash_decode(tx_hash)
s = []
while len(merkle) != 1:
if len(merkle) % 2:
merkle.append(merkle[-1])
n = []
while merkle:
new_hash = Hash(merkle[0] + merkle[1])
if merkle[0] == target_hash:
s.append(hash_encode(merkle[1]))
target_hash = new_hash
elif merkle[1] == target_hash:
s.append(hash_encode(merkle[0]))
target_hash = new_hash
n.append(new_hash)
merkle = merkle[2:]
merkle = n
out = {"block_height": height, "merkle": s, "pos": tx_pos}
with self.cache_lock:
if len(self.merkle_cache) > self.max_cache_size:
logger.info("clearing merkle cache")
self.merkle_cache.clear()
self.merkle_cache[tx_hash] = out
return out
def deserialize_block(block):
txlist = block.get('tx')
tx_hashes = [] # ordered txids
txdict = {} # deserialized tx
is_coinbase = True
for raw_tx in txlist:
tx_hash = hash_encode(Hash(raw_tx.decode('hex')))
vds = deserialize.BCDataStream()
vds.write(raw_tx.decode('hex'))
try:
tx = deserialize.parse_Transaction(vds, is_coinbase)
except:
print_log("ERROR: cannot parse", tx_hash)
continue
tx_hashes.append(tx_hash)
txdict[tx_hash] = tx
is_coinbase = False
return tx_hashes, txdict
def deserialize_block(block):
txlist = block.get('tx')
tx_hashes = [] # ordered txids
txdict = {} # deserialized tx
is_coinbase = True
for raw_tx in txlist:
tx_hash = hash_encode(Hash(raw_tx.decode('hex')))
vds = deserialize.BCDataStream()
vds.write(raw_tx.decode('hex'))
try:
tx = deserialize.parse_Transaction(vds, is_coinbase)
except:
print_log("ERROR: cannot parse", tx_hash)
continue
tx_hashes.append(tx_hash)
txdict[tx_hash] = tx
is_coinbase = False
return tx_hashes, txdict
def parse_TxIn(vds):
d = {}
d['prevout_hash'] = hash_encode(vds.read_bytes(32))
d['prevout_n'] = vds.read_uint32()
scriptSig = vds.read_bytes(vds.read_compact_size())
d['sequence'] = vds.read_uint32()
if scriptSig:
pubkeys, signatures, address = get_address_from_input_script(scriptSig)
else:
pubkeys = []
signatures = []
address = None
d['address'] = address
d['signatures'] = signatures
return d
def parse_TxIn(vds):
d = {}
d['prevout_hash'] = hash_encode(vds.read_bytes(32))
d['prevout_n'] = vds.read_uint32()
scriptSig = vds.read_bytes(vds.read_compact_size())
d['sequence'] = vds.read_uint32()
if scriptSig:
pubkeys, signatures, address = get_address_from_input_script(scriptSig)
else:
pubkeys = []
signatures = []
address = None
d['address'] = address
d['signatures'] = signatures
return d
def parse_TxIn(vds):
d = dict()
d['prevout_hash'] = hash_encode(vds.read_bytes(32))
d['prevout_n'] = vds.read_uint32()
d['sequence'] = vds.read_uint32()
return d
