def test_from_public_key(self):
public_key = "0450863AD64A87AE8A2FE83C1AF1A8403CB53F53E486D8511DAD8A" \
"04887E5B23522CD470243453A299FA9E77237716103ABC11A1DF38" \
"855ED6F2EE187E9C582BA6"
hex_pk = a2b_hex(public_key)
address = Address.from_public_key(hex_pk)
self.assertEqual(address.address, "16UwLL9Risc3QfPqBUvKofHmBQ7wMtjvM")
address_hash = "010966776006953D5567439E5E39F86A0D273BEE"
self.assertEqual(address.hash, a2b_hex(address_hash))
def test_from_ripemd160(self):
ripemd160 = "010966776006953D5567439E5E39F86A0D273BEE"
address = Address.from_ripemd160(a2b_hex(ripemd160))
self.assertEqual(address.address, "16UwLL9Risc3QfPqBUvKofHmBQ7wMtjvM")
def extract(block, tx):
inputs = []
outputs = []
if not tx.is_coinbase():
for input_index, item in enumerate(tx.inputs):
xput = {"i": input_index}
for chunk_index, chunk in enumerate(item.script.operations):
if isinstance(chunk, bytes):
op_b = base64.b64encode(chunk).decode("utf-8")
if op_b == '': # TODO: special case to match bitd (investigate bitcoinlib)
xput["b" + str(chunk_index)] = {"op": 0}
else:
xput["b" + str(chunk_index)] = op_b
xput["h" + str(chunk_index)] = chunk.hex()
elif isinstance(chunk, CScriptOp):
xput["b" + str(chunk_index)] = {"op": int(chunk)}
else:
if chunk == 1: # TODO: special case to match bitd (investigate bitcoinlib)
xput["b" + str(chunk_index)] = {"op": 81}
else:
xput["b" + str(chunk_index)] = chunk
xput["str"] = item.script.value
sender = {
"h": item.transaction_hash,
"i": item.transaction_index,
}
addr = None
if len(item.script.operations) == 2: # p2pk / p2pkh
try:
a = item.script.operations[1]
if isinstance(a, str) or isinstance(
a, bytes): # could be CScriptOp in rare case
if len(a) == 33 or len(a) == 65:
addr = Address.from_public_key(a).address
except:
addr = None
if addr is None: # p2sh
try:
version = b'\x05'
hash160 = btc_ripemd160(item.script.operations[-1])
checksum = double_sha256(version + hash160)
addr = base58.encode(version + hash160 + checksum[:4])
except:
addr = None
if addr is not None:
try:
sender['a'] = to_cash_addr(addr)
except:
pass
xput["e"] = sender
inputs.append(xput)
for output_index, item in enumerate(tx.outputs):
xput = {"i": output_index}
for chunk_index, chunk in enumerate(item.script.operations):
if isinstance(chunk, bytes):
xput["b" + str(chunk_index)] = base64.b64encode(chunk).decode(
"utf-8")
try:
xput["s" + str(chunk_index)] = chunk.decode("utf-8")
except UnicodeDecodeError:
pass
xput["h" + str(chunk_index)] = chunk.hex()
elif isinstance(chunk, CScriptOp):
xput["b" + str(chunk_index)] = {"op": int(chunk)}
else:
xput["b" + str(chunk_index)] = chunk
xput["str"] = item.script.value
receiver = {"v": item.value, "i": output_index}
# bitdb only supports single address, so we will too
addresses = [str(m.address) for m in item.addresses]
if len(addresses) == 1:
receiver["a"] = to_cash_addr(addresses[0])
xput["e"] = receiver
outputs.append(xput)
d = {
"tx": {
"h": tx.hash
},
"in": inputs,
"out": outputs,
}
if block is not None:
d['blk'] = {
"i":
block.height,
"h":
block.hash,
"t":
int(
block.header.timestamp.replace(
tzinfo=timezone.utc).timestamp())
}
return d