def unsigned_legacy_tx(tx_ins, tx_outs, **kwargs):
'''Create an unsigned transaction
Use this to generate sighashes for unsigned TxIns
Hint: set version to 2 if using sequence number relative time locks
Args:
tx_ins list(TxIn instances): list of transaction inputs
tx_outs list(TxOut instances): list of transaction outputs
**kwargs:
version (int): transaction version number
locktime (hex): transaction locktime
expiry (int): overwinter expiry time
tx_joinsplits (list): list of joinsplits transactions
joinsplit_pubkey (bytes): joinsplit public key
joinsplit_sig (bytes): joinsplit signature
Returns:
(Tx instance): unsigned transaction
'''
return tb.make_tx(
version=kwargs['version'] if 'version' in kwargs else 2,
tx_ins=tx_ins,
tx_outs=tx_outs,
lock_time=kwargs['lock_time'] if 'lock_time' in kwargs else 0,
expiry=kwargs['expiry'] if 'expiry' in kwargs else 0,
tx_joinsplits=(kwargs['tx_joinsplits']
if 'tx_joinsplits' in kwargs else []),
joinsplit_pubkey=(kwargs['joinsplit_pubkey']
if 'joinsplit_pubkey' in kwargs else []),
joinsplit_sig=(kwargs['joinsplit_sig']
if 'joinsplit_sig' in kwargs else []))
def test_overwinter_snowflake(self, mock_tx):
# TODO: Improve
riemann.select_network('zcash_overwinter_main')
mock_tx.OverwinterTx.return_value = 0
self.assertEqual(
tb.make_tx(0, 0, 0, 0, expiry=0),
0)
def test_make_decred_tx(self):
riemann.select_network('decred_main')
helper_witness = helpers.DCR['ser']['witnesses'][0]
outpoint = tb.make_outpoint(
tx_id_le=helpers.DCR['ser']['ins'][0]['hash'], index=0, tree=0)
tx_in, witness = tb.make_witness_input_and_witness(
outpoint=outpoint,
sequence=helpers.DCR['human']['ins'][0]['sequence'],
value=helper_witness['value'],
height=helper_witness['height'],
index=helper_witness['index'],
stack_script=helper_witness['stack_script'],
redeem_script=helper_witness['redeem_script'])
tx_out = tb._make_output(
value=helpers.DCR['ser']['outs'][0]['value'],
output_script=helpers.DCR['ser']['outs'][0]['pk_script'],
version=helpers.DCR['ser']['outs'][0]['version'])
self.assertEqual(
tb.make_tx(version=1,
tx_ins=[tx_in],
tx_outs=[tx_out],
lock_time=helpers.DCR['human']['locktime'],
expiry=helpers.DCR['human']['expiry'],
tx_witnesses=witness),
helpers.DCR['ser']['tx']['p2sh_2_p2pkh'])
def test_sprout_snowflake(self, mock_tx):
# TODO: Improve
riemann.select_network('zcash_sprout_main')
mock_tx.SproutTx.return_value = 0
self.assertEqual(
tb.make_tx(0, 0, 0, 0, tx_joinsplits=[]),
0)
def unsigned_witness_tx(tx_ins, tx_outs, **kwargs):
'''Create an unsigned segwit transaction
Create an unsigned segwit transaction
Use this to generate sighashes for unsigned TxIns
Hint: set version to 2 if using sequence number relative time locks
Args:
tx_ins list(TxIn instances): list of transaction inputs
tx_outs list(TxOut instances): list of transaction outputs
**kwargs:
version (int): transaction version number
locktime (hex): transaction locktime
Returns:
(Tx instance): unsigned transaction with empty witness
'''
return tb.make_tx(
version=kwargs['version'] if 'version' in kwargs else 2,
tx_ins=tx_ins,
tx_outs=tx_outs,
lock_time=kwargs['lock_time'] if 'lock_time' in kwargs else 0,
tx_witnesses=[tb.make_empty_witness() for _ in tx_ins])