def test_segwit_create_tx(self):
from pycoinzpub.tx.tx_utils import create_tx, sign_tx
from pycoinzpub.tx.Spendable import Spendable
from pycoinzpub.tx.pay_to.ScriptPayToAddress import ScriptPayToAddress
from pycoinzpub.tx.pay_to.ScriptPayToAddressWit import ScriptPayToAddressWit
from pycoinzpub.ui import address_for_pay_to_script_wit, script_obj_from_address
key1 = Key(1)
coin_value = 5000000
script = ScriptPayToAddressWit(b'\0', key1.hash160()).script()
tx_hash = b'\ee' * 32
tx_out_index = 0
spendable = Spendable(coin_value, script, tx_hash, tx_out_index)
key2 = Key(2)
tx = create_tx([spendable], [(key2.address(), coin_value)])
self.check_unsigned(tx)
sign_tx(tx, [key1.wif()])
self.check_signed(tx)
self.assertEqual(len(tx.txs_in[0].witness), 2)
s1 = ScriptPayToAddress(key1.hash160()).script()
address = address_for_pay_to_script_wit(s1)
spendable.script = script_obj_from_address(address).script()
tx = create_tx([spendable], [(key2.address(), coin_value)])
self.check_unsigned(tx)
sign_tx(tx, [key1.wif()], p2sh_lookup=build_p2sh_lookup([s1]))
self.check_signed(tx)
def test_sign_verify(self):
private_key = Key(secret_exponent=1)
h = b"\x00" * 32
sig = private_key.sign(h)
self.assertTrue(private_key.verify(h, sig))
public_key = private_key.public_copy()
self.assertTrue(public_key.verify(h, sig))
h160_key = Key(hash160=private_key.hash160())
self.assertTrue(h160_key.verify(h, sig))