def create_tx(self):
tx = Transaction(version=self.tx_version,
sig_hash_type=self.sig_hash_type,
sig_hash_type_pre_image=self.sig_hash_type_pre_image,
sign_style=self.sign_type)
keys = []
for utxo in self.utxos:
pub_key = utxo.private_key.create_pub_key()
keys.append(KeyPair(utxo.private_key, pub_key))
tx_input = TransactionInput(utxo.tx_hash,
utxo.index,
utxo.address,
get_spend_type(utxo.address),
prev_amount=utxo.amount_btc,
pub_key=pub_key)
tx.add_inputs(tx_input)
for destination in self.destinations:
tx_output = TransactionOutput(
btc_to_satoshis(destination.amount_btc), destination.address,
get_spend_type(destination.address))
tx.add_outputs(tx_output)
signed = tx.sign(*keys)
return signed.serialize()
def test_sign_6(self):
# P2SH(P2WPKH) -> P2PKH
priv_k1 = PrivateKey.from_wif("cTrgmEubqR1ycAupUhAPHAZuax9Sm1z9MXnu1yJ2U9QveVJj5dw6")
pub_k1 = priv_k1.create_pub_key()
tx_input_1 = TransactionInput("84a5fd831b4bbc248c5bbf803e9437a9fd16c9353e36a83cb91601198c721ffa", 1,
"2N3fPnXTv2VhBFJfXjjKhpnywu8DdY2Azs4",
SpendType.P2SH_P2WPKH, 0.09999705, pub_key=pub_k1)
tx_output_1 = TransactionOutput(9979705, "n3WUs6uCpAc1at2u13ZLRQKf8wuqgVdZr4", SpendType.P2PKH)
tx = Transaction(version=2)
tx.add_inputs(tx_input_1)
tx.add_outputs(tx_output_1)
signed = tx.sign(KeyPair(priv_k1, pub_k1))
expected_signed = ("02000000000101fa1f728c190116b93ca8363e35c916fda937943e80bf5b8c24bc4b1b83fda58401"
"0000001716001403daeefdf968071d4f4eb807e1ce260df8730b2bffffffff013947980000000000"
"1976a914f13bdea27f1fdfb164d083dd827ff55eb140d68688ac0247304402205dae720734647b5d"
"aa6b825b5b48b31ab4781ad7acc61104f67d196acab3ada502204db4725f84710b0ecb0547d57d8c"
"0bc0aa8e5ee35c5dc2da533cf62c54a1f767012103329c021b31a332d6004019e23f74df43a3fde9"
"4fc076184bfb561b7b2f7ae82300000000")
self.assertEqual(expected_signed, signed.serialize().hex())
def test_sign_7(self):
# From https://github.com/bitcoin/bips/blob/master/bip-0143.mediawiki
priv_k1 = PrivateKey(0xeb696a065ef48a2192da5b28b694f87544b30fae8327c4510137a922f32c6dcf)
pub_k1 = priv_k1.create_pub_key()
tx_input_1 = TransactionInput("77541aeb3c4dac9260b68f74f44c973081a9d4cb2ebe8038b2d70faa201b6bdb", 1,
"2MyjiCXmqtu2AxSiRCz2VeuYD98bUhXRzNR",
SpendType.P2SH_P2WPKH, 10, sequence=b'\xff\xff\xff\xfe', pub_key=pub_k1)
tx_output_1 = TransactionOutput(199996600, "mvVvBvBpq5f51q8bPygkcSAoVabq5heFTr", SpendType.P2PKH)
tx_output_2 = TransactionOutput(800000000, "n4bW2Nahtzqm4HfVgo9xbft9Z3Crw1veuJ", SpendType.P2PKH)
tx = Transaction(lock_time=1170)
tx.add_inputs(tx_input_1)
tx.add_outputs(tx_output_1, tx_output_2)
signed = tx.sign(KeyPair(priv_k1, pub_k1))
expected_signed = ("01000000000101db6b1b20aa0fd7b23880be2ecbd4a98130974cf4748fb66092ac4d3ceb1a547701"
"0000001716001479091972186c449eb1ded22b78e40d009bdf0089feffffff02b8b4eb0b00000000"
"1976a914a457b684d7f0d539a46a45bbc043f35b59d0d96388ac0008af2f000000001976a914fd27"
"0b1ee6abcaea97fea7ad0402e8bd8ad6d77c88ac02473044022047ac8e878352d3ebbde1c94ce3a1"
"0d057c24175747116f8288e5d794d12d482f0220217f36a485cae903c713331d877c1f64677e3622"
"ad4010726870540656fe9dcb012103ad1d8e89212f0b92c74d23bb710c00662ad1470198ac48c43f"
"7d6f93a2a2687392040000")
self.assertEqual(expected_signed, signed.serialize().hex())
def test_sign_3(self):
# Test spending a P2PKH input to a P2WPKH
priv_k = PrivateKey(0x95fa16fb03e27b77166b6a0e03493eda7ad06a64a273f8ddb82238141a1b59dd)
input = TransactionInput("53ca9780e8c7a0022e2146477433eac26be5b27ef2b0ba969f6431b92a2b4108", 0,
"mvHNaj9NDV9RwkFzV6m28M5LJBz7r5vNwQ",
SpendType.P2PKH)
output = TransactionOutput(201921172, "tb1qfeytr2u0d3e3tny5kyjvjule3srx33eclcx6sy", SpendType.P2WPKH)
tx = Transaction(version=2)
tx.add_inputs(input)
tx.add_outputs(output)
expected_raw = ("020000000108412b2ab931649f96bab0f27eb2e56bc2ea33744746212e02a0c7e88097ca5300000000"
"1976a914a1f856634fdac51ede71a2a1358573556847078588acffffffff019412090c000000001600"
"144e48b1ab8f6c7315cc94b124c973f98c0668c73800000000")
self.assertEqual(expected_raw, tx.serialize().hex())
signed = tx.sign(KeyPair(priv_k, priv_k.create_pub_key()))
expected_signed = ("020000000108412b2ab931649f96bab0f27eb2e56bc2ea33744746212e02a0c7e88097ca530000000"
"06b4830450221008154ea4ed4c96f8076e10734a3e507f8b183e784e8578c4dde648536b1d0723f02"
"20158963e8d4d8ff47ff288b51ce250b561f08e08bc3f97691b00da5f3d1bf334f01210320c617efd"
"2de9208533c0deecc38610fc33cd3f7dd9e9b107f3b87cd7cdc3a21ffffffff019412090c00000000"
"1600144e48b1ab8f6c7315cc94b124c973f98c0668c73800000000")
serialize__hex = signed.serialize().hex()
self.assertEqual(expected_signed, serialize__hex)
def test_sign_2(self):
# Multiple P2PKH inputs and 1 P2PKH output
priv_k = PrivateKey(0x22861a6e8a0670f6388847e83bbea3ed580280b612c11470998baf11ed95d032, compression=False)
input1 = TransactionInput("2dac8856a21e3cd0fae25b28ef44c2ab4360fe3daa2fdc8815f89ad3b03c9486", 0,
"n3WUs6uCpAc1at2u13ZLRQKf8wuqgVdZr4",
SpendType.P2PKH)
input2 = TransactionInput("d53b66eea5c5ff7d8a2ab9b03187acca52538c861298f550727e87176a38241d", 0,
"n3WUs6uCpAc1at2u13ZLRQKf8wuqgVdZr4",
SpendType.P2PKH)
output = TransactionOutput(130000000 + 71941172, "mvHNaj9NDV9RwkFzV6m28M5LJBz7r5vNwQ", SpendType.P2PKH)
expected = ("020000000286943cb0d39af81588dc2faa3dfe6043abc244ef285be2fad03c1ea25688ac2d000000008b483045"
"022100d72dd4a871d1db72d32ee3da5ad1349daa99d8b67567efcfd8c273f8b95ba3770220439542142cd966f4"
"67403a583397a5643128e203863349328d4a7c6822cf670e014104dc406568adadd693f302205af9694bf3caf3"
"da0374f2183bea4680fb0d1f5cf5f06c2a78a0229129023260658e4e9f37d7d9e22fad81dfdbb944163138a82b"
"68ffffffff1d24386a17877e7250f59812868c5352caac8731b0b92a8a7dffc5a5ee663bd5000000008b483045"
"022100923a2d1a56c90536a84575c5b459cd2e22345951f3840cb77810a88e9585a261022077595add75ffa707"
"bbdedd4ab952f0fb93add38f8e979d8e3fdacaaaf4c99a73014104dc406568adadd693f302205af9694bf3caf3"
"da0374f2183bea4680fb0d1f5cf5f06c2a78a0229129023260658e4e9f37d7d9e22fad81dfdbb944163138a82b"
"68ffffffff01b460090c000000001976a914a1f856634fdac51ede71a2a1358573556847078588ac00000000")
tx = Transaction(version=2)
tx.add_inputs(input1, input2)
tx.add_outputs(output)
signed = tx.sign(KeyPair(priv_k, priv_k.create_pub_key()))
serialize__hex = signed.serialize().hex()
self.assertEqual(expected, serialize__hex)
def test_sign_1(self):
# Sign simple 1 input tx
priv_k = PrivateKey(0x0ecd20654c2e2be708495853e8da35c664247040c00bd10b9b13e5e86e6a808d)
pub_k = priv_k.create_pub_key()
prev_tx = "96534da2f213367a6d589f18d7d6d1689748cd911f8c33a9aee754a80de166be"
prev_address = "1MBngSqZbMydscpzSoehjP8kznMaHAzh9y"
prev_idx = 0
address = "1FromKBPAS8MWsk1Yv1Yiu8rJbjfVioBHc"
amount = 118307
tx = Transaction()
tx.add_inputs(TransactionInput(prev_tx, prev_idx, prev_address, SpendType.P2PKH))
tx.add_outputs(TransactionOutput(amount, address, SpendType.P2PKH))
signed = tx.sign(KeyPair(priv_k, pub_k))
expected = ("0100000001be66e10da854e7aea9338c1f91cd489768d1d6d7189f586d7a3613f2a24d539600000000"
"6b483045022100d26da559a61d0156429ee63e31d6b0502a662b8d0fc1a6eb269658ecd436c8aa0220"
"024e474c33b20f8adbcc36ddd01e24562c917ccc1a4b6f21cc7926099a9984c20121032daa93315eeb"
"be2cb9b5c3505df4c6fb6caca8b756786098567550d4820c09dbffffffff0123ce0100000000001976"
"a914a2fd2e039a86dbcf0e1a664729e09e8007f8951088ac00000000")
self.assertEqual(expected, signed.serialize().hex())
def test_sign_4(self):
# P2PK + P2WPKH inputs -> P2PKH outputs
# See https://github.com/bitcoin/bips/blob/master/bip-0143.mediawiki
tx_input_1 = TransactionInput("9f96ade4b41d5433f4eda31e1738ec2b36f6e7d1420d94a6af99801a88f7f7ff", 0,
"03c9f4836b9a4f77fc0d81f7bcb01b7f1b35916864b9476c241ce9fc198bd25432",
SpendType.P2PK, sequence=b'\xff\xff\xff\xee')
priv_k1 = PrivateKey(0xbbc27228ddcb9209d7fd6f36b02f7dfa6252af40bb2f1cbc7a557da8027ff866)
pub_k1 = priv_k1.create_pub_key()
tx_input_2 = TransactionInput("8ac60eb9575db5b2d987e29f301b5b819ea83a5c6579d282d189cc04b8e151ef", 1,
"tb1qr583w2swedy2acd7rung055k8t3n7udp52l3lm",
SpendType.P2WPKH, prev_amount=6)
priv_k2 = PrivateKey(0x619c335025c7f4012e556c2a58b2506e30b8511b53ade95ea316fd8c3286feb9)
pub_k2 = PublicKey(binascii.unhexlify("025476c2e83188368da1ff3e292e7acafcdb3566bb0ad253f62fc70f07aeee6357"))
tx_output_1 = TransactionOutput(112340000, "msQzKJatdWdw4rpy8sbv8puHoncseekYCf", SpendType.P2PKH)
tx_output_2 = TransactionOutput(223450000, "mkyWRMBNtjzZxdCcEZDYNi5CSoYnRaKACc", SpendType.P2PKH)
tx = Transaction(lock_time=17)
tx.add_inputs(tx_input_1, tx_input_2)
tx.add_outputs(tx_output_1, tx_output_2)
expected_raw = ("0100000002fff7f7881a8099afa6940d42d1e7f6362bec38171ea3edf433541db4e4ad969f00000000"
"232103c9f4836b9a4f77fc0d81f7bcb01b7f1b35916864b9476c241ce9fc198bd25432aceeffffffef"
"51e1b804cc89d182d279655c3aa89e815b1b309fe287d9b2b55d57b90ec68a010000001600141d0f17"
"2a0ecb48aee1be1f2687d2963ae33f71a1ffffffff02202cb206000000001976a9148280b37df378db"
"99f66f85c95a783a76ac7a6d5988ac9093510d000000001976a9143bde42dbee7e4dbe6a21b2d50ce2"
"f0167faa815988ac11000000")
self.assertEqual(expected_raw, tx.serialize().hex())
expected_signed = ("01000000000102fff7f7881a8099afa6940d42d1e7f6362bec38171ea3edf433541db4e4ad969f00"
"000000494830450221008b9d1dc26ba6a9cb62127b02742fa9d754cd3bebf337f7a55d114c8e5cdd"
"30be022040529b194ba3f9281a99f2b1c0a19c0489bc22ede944ccf4ecbab4cc618ef3ed01eeffff"
"ffef51e1b804cc89d182d279655c3aa89e815b1b309fe287d9b2b55d57b90ec68a0100000000ffff"
"ffff02202cb206000000001976a9148280b37df378db99f66f85c95a783a76ac7a6d5988ac909351"
"0d000000001976a9143bde42dbee7e4dbe6a21b2d50ce2f0167faa815988ac000247304402203609"
"e17b84f6a7d30c80bfa610b5b4542f32a8a0d5447a12fb1366d7f01cc44a0220573a954c45183315"
"61406f90300e8f3358f51928d43c212a8caed02de67eebee0121025476c2e83188368da1ff3e292e"
"7acafcdb3566bb0ad253f62fc70f07aeee635711000000")
signed = tx.sign(KeyPair(priv_k1, pub_k1), KeyPair(priv_k2, pub_k2))
self.assertEqual(expected_signed, signed.serialize().hex())
def test_sign_5(self):
tx_input_1 = TransactionInput("b9b72078c53511dfdb80ba91e04696cfe479b320a2dfc17a96be40ce2884a62f", 0,
"tb1qfeytr2u0d3e3tny5kyjvjule3srx33eclcx6sy",
SpendType.P2WPKH, 0.99996220)
priv_k1 = PrivateKey.from_wif("cVZiWLak3RfzgFZtLeZ87TKnFwaG1hBgxovNmv9XwmaSSrNLXKp1")
pub_k1 = priv_k1.create_pub_key()
tx_output_1 = TransactionOutput(99994220, "n3WUs6uCpAc1at2u13ZLRQKf8wuqgVdZr4", SpendType.P2PKH)
tx = Transaction()
tx.add_inputs(tx_input_1)
tx.add_outputs(tx_output_1)
signed = tx.sign(KeyPair(priv_k1, pub_k1))
expected_signed = ("010000000001012fa68428ce40be967ac1dfa220b379e4cf9646e091ba80dbdf1135c57820b7b90000000000"
"ffffffff016ccaf505000000001976a914f13bdea27f1fdfb164d083dd827ff55eb140d68688ac0248304502"
"2100fd3e612284f6d107fcb40d8dad1d7d57ac570fe11116a7f61fb80f5905e4124e0220102c75534b37a9f3"
"b82fc42994bc35aa07f1ec9113e34b7d8489dc0c8bbbeb5a0121037c32fea2feddc1b8a500ec4ff9b597dc72"
"d237ed205aa395704035172d74a05c00000000")
self.assertEqual(expected_signed, signed.serialize().hex())