def get_tx(self, txhash):
tx = None
for psbt_in in self.psbt.inputs:
if psbt_in.non_witness_utxo and psbt_in.non_witness_utxo.sha256 == uint256_from_str(
binascii.unhexlify(txhash)[::-1]):
tx = psbt_in.non_witness_utxo
if not tx:
raise ValueError("TX {} not found in PSBT".format(txhash))
t = proto.TransactionType()
t.version = tx.nVersion
t.lock_time = tx.nLockTime
for vin in tx.vin:
i = t.inputs.add()
i.prev_hash = ser_uint256(vin.prevout.hash)[::-1]
i.prev_index = vin.prevout.n
i.script_sig = vin.scriptSig
i.sequence = vin.nSequence
for vout in tx.vout:
o = t.bin_outputs.add()
o.amount = vout.nValue
o.script_pubkey = vout.scriptPubKey
return t
def get_tx(self, txhash):
data = self.fetch_json(self.url, 'tx', txhash)
t = proto_types.TransactionType()
t.version = data['version']
t.lock_time = data['locktime']
for vin in data['vin']:
i = t.inputs.add()
if 'coinbase' in vin.keys():
i.prev_hash = b"\0" * 32
i.prev_index = 0xffffffff # signed int -1
i.script_sig = binascii.unhexlify(vin['coinbase'])
i.sequence = vin['sequence']
else:
i.prev_hash = binascii.unhexlify(vin['txid'])
i.prev_index = vin['vout']
i.script_sig = binascii.unhexlify(vin['scriptSig']['hex'])
i.sequence = vin['sequence']
for vout in data['vout']:
o = t.bin_outputs.add()
o.amount = int(Decimal(str(vout['value'])) * 100000000)
o.script_pubkey = binascii.unhexlify(vout['scriptPubKey']['hex'])
dip2_type = data.get("type", 0)
if t.version == 3 and dip2_type != 0:
# It's a DIP2 special TX with payload
if dip2_type == DashTxType.SPEC_CB_TX:
data["extraPayload"] = serialize_cbTx(data)
elif dip2_type == DashTxType.LELANTUS_JSPLIT:
data["extraPayload"] = serialize_Lelantus(data)
else:
raise NotImplementedError(
"Only spending of V3 coinbase outputs has been inplemented. "
"Please file an issue at https://github.com/firoorg/firo-masternode-tool/issues containing "
"the tx type=" + str(dip2_type))
data["extraPayloadSize"] = len(data["extraPayload"]) >> 1
if "extraPayloadSize" not in data or "extraPayload" not in data:
raise ValueError("Payload data missing in DIP2 transaction")
if data["extraPayloadSize"] * 2 != len(data["extraPayload"]):
raise ValueError(
"extra_data_len (%d) does not match calculated length (%d)"
%
(data["extraPayloadSize"], len(data["extraPayload"]) * 2))
t.extra_data = dash_utils.num_to_varint(
data["extraPayloadSize"]) + bytes.fromhex(data["extraPayload"])
# KeepKey firmware doesn't understand the split of version and type, so let's mimic the
# old serialization format
t.version |= dip2_type << 16
return t
def get_tx(self, txhash):
data = self.fetch_json(self.url, 'tx', txhash)
t = proto_types.TransactionType()
t.version = data['version']
t.lock_time = data['locktime']
for vin in data['vin']:
i = t.inputs.add()
if 'coinbase' in vin.keys():
i.prev_hash = b"\0"*32
i.prev_index = 0xffffffff # signed int -1
i.script_sig = binascii.unhexlify(vin['coinbase'])
i.sequence = vin['sequence']
else:
i.prev_hash = binascii.unhexlify(vin['txid'])
i.prev_index = vin['vout']
i.script_sig = binascii.unhexlify(vin['scriptSig']['hex'])
i.sequence = vin['sequence']
for vout in data['vout']:
o = t.bin_outputs.add()
o.amount = int(Decimal(str(vout['value'])) * 100000000)
o.script_pubkey = binascii.unhexlify(vout['scriptPubKey']['hex'])
dip2_type = data.get("type", 0)
if t.version == 3 and dip2_type != 0:
# It's a DIP2 special TX with payload
if "extraPayloadSize" not in data or "extraPayload" not in data:
raise ValueError("Payload data missing in DIP2 transaction")
if data["extraPayloadSize"] * 2 != len(data["extraPayload"]):
raise ValueError(
"extra_data_len (%d) does not match calculated length (%d)"
% (data["extraPayloadSize"], len(data["extraPayload"]) * 2)
)
t.extra_data = gewel_utils.num_to_varint(data["extraPayloadSize"]) + bytes.fromhex(
data["extraPayload"]
)
# KeepKey firmware doesn't understand the split of version and type, so let's mimic the
# old serialization format
t.version |= dip2_type << 16
return t