def deserialize_tx_data(data):
h = data[0]
offset = 1
coinbase = True if h & 128 else False
if coinbase & (h & 64):
witnesshash = data[1:33]
offset = 33
else:
witnesshash = None
if h & 60 == 0:
version = c_int_to_int(data[offset:])
offset = offset + c_int_len(version)
else:
version = (h >> 2) & 0b1111
if h & 2:
locktime = c_int_to_int(data[offset:])
offset = offset + c_int_len(locktime)
else:
locktime = 0
if h & 1:
tx_data = data[offset:]
else:
tx_data = None
if coinbase:
witnesshash = b"\x00" * 32
return [coinbase, witnesshash, version, locktime, tx_data]
def decode_tx_map_data(b):
r = c_int_to_int(b)
f = c_int_len(r)
rc = c_int_to_int(b[f:])
f += c_int_len(rc)
if f >= len(b):
s = 0
sc = 0
else:
s = c_int_to_int(b[f:])
f += c_int_len(s)
sc = c_int_to_int(b[f:])
return r, rc, s, sc
def deserialize_tx_map(s):
offset = 0
data = dict()
data["received"] = c_int_to_int(s[offset:])
offset += c_int_len(data["received"])
data["sent"] = c_int_to_int(s[offset:])
offset += c_int_len(data["sent"])
data["countReceived"] = c_int_to_int(s[offset:])
offset += c_int_len(data["countReceived"])
data["totalReceived"] = c_int_to_int(s[offset:])
offset += c_int_len(data["totalReceived"])
if offset < len(s):
data["countSent"] = c_int_to_int(s[offset:])
offset += c_int_len(data["countSent"])
data["totalSent"] = c_int_to_int(s[offset:])
else:
data["countSent"] = 0
data["totalSent"] = 0
return data
def deserialize_input_script(data, coinbase):
pubkey_script = b''
sig_script = b''
witness = []
address = b""
pubkey_script_type = None
offset = 0
l = c_int_to_int(data[offset:])
offset += c_int_len(l)
if l:
pubkey_script = data[offset:offset + l]
offset += l
offset += 1
l = c_int_to_int(data[offset:])
offset += c_int_len(l)
if l:
sig_script = data[offset:offset + l]
offset += l
inverted_sequence = c_int_to_int(data[offset:])
offset += c_int_len(inverted_sequence)
sequence = 0xffffffff - inverted_sequence
while data[offset:]:
l = c_int_to_int(data[offset:])
offset += c_int_len(l)
# if l:
witness.append(data[offset:offset + l])
offset += l
if pubkey_script:
s = parse_script(pubkey_script)
if "addressHash" in s:
address = b''.join([int_to_bytes(s["nType"]), s["addressHash"]
]) if "addressHash" in s else b''
pubkey_script_type = s["type"]
return {
"pubkey_script": pubkey_script,
"sig_script": sig_script,
"sequence": sequence,
"witness": witness if not coinbase else [],
"address": address,
"pubkey_script_type": pubkey_script_type
}
async def test_filter(request):
try:
async with request.app["db_pool"].acquire() as conn:
row = await conn.fetchrow("SELECT height, filter "
"FROM block_filters_checkpoints "
"order by height asc limit 1;")
N = c_int_to_int(row["filter"])
i = c_int_len(N)
f = zlib.decompress(row["filter"][i:])
h = row["height"]
f = decode_gcs(f, N, P=request.app["block_filter_bits"])
print(">>>", len(f), h)
# 141788
async with request.app["db_pool"].acquire() as conn:
rows = await conn.fetch(
"SELECT distinct address "
"FROM transaction_map "
"where pointer < $1;", 10000 << 39)
print("affected addresses ", len(rows))
N = request.app["block_filter_fps"]
M = request.app["block_filter_capacity"]
elements = [map_into_range(siphash(e["address"]), N * M) for e in rows]
for a in elements:
if a not in f:
print("false negative!")
await asyncio.sleep(0)
# print("positive ", i)
# print("false positive ", e2)
# print("errors ", e)
resp = ["ok"]
except Exception as err:
print(str(traceback.format_exc()))
return web.json_response([str(err)], dumps=json.dumps, status=200)
return web.json_response(resp, dumps=json.dumps, status=200)
def deserialize_address_stat(data):
offset = 0
stat = dict()
stat["receivedTxCount"] = c_int_to_int(data[offset:])
offset += c_int_len(stat["receivedTxCount"])
stat["receivedAmount"] = c_int_to_int(data[offset:])
offset += c_int_len(stat["receivedAmount"])
stat["outputsReceivedCount"] = c_int_to_int(data[offset:])
offset += c_int_len(stat["outputsReceivedCount"])
stat["firstReceivedTxBlock"] = c_int_to_int(data[offset:])
offset += c_int_len(stat["firstReceivedTxBlock"])
stat["lastReceivedTxBlock"] = c_int_to_int(data[offset:])
offset += c_int_len(stat["lastReceivedTxBlock"])
stat["largestTxAmount"] = c_int_to_int(data[offset:])
offset += c_int_len(stat["largestTxAmount"])
stat["largestTxId"] = c_int_to_int(data[offset:])
offset += c_int_len(stat["largestTxId"])
stat["sentTxCount"] = c_int_to_int(data[offset:])
offset += c_int_len(stat["sentTxCount"])
stat["sentAmount"] = c_int_to_int(data[offset:])
offset += c_int_len(stat["sentAmount"])
stat["outputsSpentCount"] = c_int_to_int(data[offset:])
offset += c_int_len(stat["outputsSpentCount"])
stat["firstSentTxBlock"] = c_int_to_int(data[offset:])
offset += c_int_len(stat["firstSentTxBlock"])
stat["lastSentTxBlock"] = c_int_to_int(data[offset:])
offset += c_int_len(stat["lastSentTxBlock"])
stat["mined"] = c_int_to_int(data[offset:])
offset += c_int_len(stat["mined"])
if offset < len(data):
stat["invalidTx"] = c_int_to_int(data[offset:])
offset += c_int_len(stat["invalidTx"])
if offset < len(data):
stat["pendingReceivedTxCount"] = c_int_to_int(data[offset:])
offset += c_int_len(stat["pendingReceivedTxCount"])
stat["pendingReceivedAmount"] = c_int_to_int(data[offset:])
offset += c_int_len(stat["pendingReceivedAmount"])
stat["outputsUnconfirmedReceivedCount"] = c_int_to_int(
data[offset:])
offset += c_int_len(stat["outputsUnconfirmedReceivedCount"])
stat["pendingSentTxCount"] = c_int_to_int(data[offset:])
offset += c_int_len(stat["pendingSentTxCount"])
stat["pendingSentAmount"] = c_int_to_int(data[offset:])
offset += c_int_len(stat["pendingSentAmount"])
stat["outputsUnconfirmedSpentCount"] = c_int_to_int(data[offset:])
offset += c_int_len(stat["outputsUnconfirmedSpentCount"])
else:
stat["pendingReceivedTxCount"] = 0
stat["pendingReceivedAmount"] = 0
stat["outputsUnconfirmedReceivedCount"] = 0
stat["pendingSentTxCount"] = 0
stat["pendingSentAmount"] = 0
stat["outputsUnconfirmedSpentCount"] = 0
else:
stat["invalidTx"] = 0
stat["pendingReceivedTxCount"] = 0
stat["pendingReceivedAmount"] = 0
stat["outputsUnconfirmedReceivedCount"] = 0
stat["pendingSentTxCount"] = 0
stat["pendingSentAmount"] = 0
stat["outputsUnconfirmedSpentCount"] = 0
return stat