def test_build_spends(self):
# first, here is the tx database
TX_DB = {}
# create a coinbase Tx where we know the public & private key
key = network.ui.parse("5JMys7YfK72cRVTrbwkq5paxU7vgkMypB55KyXEtN5uSnjV7K8Y")
exponent = key.secret_exponent()
compressed = False
public_key_sec = public_pair_to_sec(exponent * secp256k1_generator, compressed=compressed)
the_coinbase_tx = Tx.coinbase_tx(public_key_sec, int(50 * 1e8), COINBASE_BYTES_FROM_80971)
TX_DB[the_coinbase_tx.hash()] = the_coinbase_tx
# now create a Tx that spends the coinbase
compressed = False
exponent_2 = int("137f3276686959c82b454eea6eefc9ab1b9e45bd4636fb9320262e114e321da1", 16)
address_2 = public_pair_to_bitcoin_address(exponent_2 * secp256k1_generator, compressed=compressed)
self.assertEqual("12WivmEn8AUth6x6U8HuJuXHaJzDw3gHNZ", address_2)
coins_from = [(the_coinbase_tx.hash(), 0, the_coinbase_tx.txs_out[0])]
coins_to = [(int(50 * 1e8), address_2)]
unsigned_coinbase_spend_tx = standard_tx(coins_from, coins_to)
solver = build_hash160_lookup([exponent], [secp256k1_generator])
coinbase_spend_tx = unsigned_coinbase_spend_tx.sign(solver)
TX_DB[coinbase_spend_tx.hash()] = coinbase_spend_tx
# now try to respend from priv_key_2 to priv_key_3
compressed = True
exponent_3 = int("f8d39b8ecd0e1b6fee5a340519f239097569d7a403a50bb14fb2f04eff8db0ff", 16)
address_3 = public_pair_to_bitcoin_address(exponent_3 * secp256k1_generator, compressed=compressed)
self.assertEqual("13zzEHPCH2WUZJzANymow3ZrxcZ8iFBrY5", address_3)
coins_from = [(coinbase_spend_tx.hash(), 0, coinbase_spend_tx.txs_out[0])]
unsigned_spend_tx = standard_tx(coins_from, [(int(50 * 1e8), address_3)])
solver.update(build_hash160_lookup([exponent_2], [secp256k1_generator]))
spend_tx = unsigned_spend_tx.sign(solver)
# now check that it validates
self.assertEqual(spend_tx.bad_solution_count(), 0)
def spend_pkh_fund(tx_ins, in_keys, tx_outs):
"""
p2pkh address send to p2pkh p2sh transaction
:param tx_ins: list with tuple(tx_id, idx, balance, address)
:param in_keys: list of private keys in hex format corresponding to each input
:param tx_outs: balance, receiver_address
:return: raw hex and tx id
"""
_txs_in = []
_un_spent = []
for tx_id, idx, balance, address in tx_ins:
# must h2b_rev NOT h2b
tx_id_b = h2b_rev(tx_id)
_txs_in.append(TxIn(tx_id_b, idx))
script = network.contract.for_address(address)
_un_spent.append(Spendable(balance, script, tx_id_b, idx))
_txs_out = []
for balance, receiver_address in tx_outs:
_txs_out.append(
TxOut(balance, network.contract.for_address(receiver_address)))
version, lock_time = 1, 0
tx = Tx(version, _txs_in, _txs_out, lock_time)
tx.set_unspents(_un_spent)
solver = build_hash160_lookup([int(pri_hex, 16) for pri_hex in in_keys],
[secp256k1_generator])
tx.sign(solver, hash_type=SIGHASH_ALL)
return tx.as_hex(), tx.id()
def test_p2multisig_incremental(self):
keys = [Key(i) for i in (1, 2, 3)]
secs = [k.sec() for k in keys]
tx = self.make_test_tx(script_for_multisig(3, secs))
tx_in_idx = 0
for k in keys:
try:
tx.check_solution(tx_in_idx)
assert 0
except ScriptError:
pass
kwargs = {
"hash160_lookup":
build_hash160_lookup([k.secret_exponent()],
[secp256k1_generator])
}
kwargs["existing_script"] = [
data for opcode, data, pc, new_pc in
network.script_tools.get_opcodes(tx.txs_in[tx_in_idx].script)
if data is not None
]
kwargs["nocheck"] = True
kwargs[
"generator_for_signature_type_f"] = Solver.SolutionChecker.VM.generator_for_signature_type
solution_list, witness_list = self.do_test_solve(
tx, tx_in_idx, **kwargs)
tx.check_solution(tx_in_idx)
def test_sign_bitcoind_partially_signed_2_of_2(self):
# Finish signing a 2 of 2 transaction, that already has one signature signed by bitcoind
# This tx can be found on testnet3 blockchain
# txid: 9618820d7037d2f32db798c92665231cd4599326f5bd99cb59d0b723be2a13a2
raw_script = (
"522103e33b41f5ed67a77d4c4c54b3e946bd30d15b8f66e42cb29fde059c168851165521"
"02b92cb20a9fb1eb9656a74eeb7387636cf64cdf502ff50511830328c1b479986452ae"
)
p2sh_lookup = build_p2sh_lookup([h2b(raw_script)])
partially_signed_raw_tx = (
"010000000196238f11a5fd3ceef4efd5a186a7e6b9217d900418e72aca917cd6a6e634"
"e74100000000910047304402201b41b471d9dd93cf97eed7cfc39a5767a546f6bfbf3e"
"0c91ff9ad23ab9770f1f02205ce565666271d055be1f25a7e52e34cbf659f6c70770ff"
"59bd783a6fcd1be3dd0147522103e33b41f5ed67a77d4c4c54b3e946bd30d15b8f66e4"
"2cb29fde059c16885116552102b92cb20a9fb1eb9656a74eeb7387636cf64cdf502ff5"
"0511830328c1b479986452aeffffffff01a0bb0d00000000001976a9143b3beefd6f78"
"02fa8706983a76a51467bfa36f8b88ac00000000")
tx = Tx.from_hex(partially_signed_raw_tx)
tx_out = TxOut(1000000,
h2b("a914a10dfa21ee8c33b028b92562f6fe04e60563d3c087"))
tx.set_unspents([tx_out])
key = key_from_text(
"cThRBRu2jAeshWL3sH3qbqdq9f4jDiDbd1SVz4qjTZD2xL1pdbsx")
hash160_lookup = build_hash160_lookup([key.secret_exponent()],
[secp256k1_generator])
self.assertEqual(tx.bad_solution_count(), 1)
tx.sign(hash160_lookup=hash160_lookup, p2sh_lookup=p2sh_lookup)
self.assertEqual(tx.bad_solution_count(), 0)
self.assertEqual(
tx.id(),
"9618820d7037d2f32db798c92665231cd4599326f5bd99cb59d0b723be2a13a2")
def do_test_tx(self, incoming_script, **kwargs):
keys = [Key(i, generator=secp256k1_generator) for i in range(1, 20)]
tx = self.make_test_tx(incoming_script)
tx_in_idx = 0
kwargs["hash160_lookup"] = build_hash160_lookup((k.secret_exponent() for k in keys), [secp256k1_generator])
kwargs["generator_for_signature_type_f"] = Solver.SolutionChecker.VM.generator_for_signature_type
self.do_test_solve(tx, tx_in_idx, **kwargs)
def test_multisig_one_at_a_time(self):
M = 3
N = 3
keys = [
Key(secret_exponent=i, generator=secp256k1_generator)
for i in range(1, N + 2)
]
tx_in = TxIn.coinbase_tx_in(script=b'')
script = script_for_multisig(m=M,
sec_keys=[key.sec() for key in keys[:N]])
tx_out = TxOut(1000000, script)
tx1 = Tx(version=1, txs_in=[tx_in], txs_out=[tx_out])
tx2 = tx_utils.create_tx(tx1.tx_outs_as_spendable(),
[keys[-1].address()])
ids = [
"403e5bfc59e097bb197bf77a692d158dd3a4f7affb4a1fa41072dafe7bec7058",
"5931d9995e83721243dca24772d7012afcd4378996a8b953c458175f15a544db",
"9bb4421088190bbbb5b42a9eaa9baed7ec7574a407c25f71992ba56ca43d9c44",
"03a1dc2a63f93a5cf5a7cb668658eb3fc2eda88c06dc287b85ba3e6aff751771"
]
for i in range(1, N + 1):
self.assertEqual(tx2.bad_solution_count(), 1)
self.assertEqual(tx2.id(), ids[i - 1])
hash160_lookup = build_hash160_lookup(
(key.secret_exponent() for key in keys[i - 1:i]),
[secp256k1_generator])
tx2.sign(hash160_lookup=hash160_lookup)
self.assertEqual(tx2.id(), ids[i])
self.assertEqual(tx2.bad_solution_count(), 0)
def do_test_tx(self, incoming_script, **kwargs):
keys = [Key(i) for i in range(1, 20)]
tx = self.make_test_tx(incoming_script)
tx_in_idx = 0
kwargs["hash160_lookup"] = build_hash160_lookup(
(k.secret_exponent() for k in keys), [secp256k1_generator])
kwargs[
"generator_for_signature_type_f"] = Solver.SolutionChecker.VM.generator_for_signature_type
self.do_test_solve(tx, tx_in_idx, **kwargs)
def check_tx_can_be_signed(self, tx_u, tx_s, private_keys=[], p2sh_values=[]):
tx_u_prime = self.unsigned_copy(tx_s)
tx_s_hex = tx_s.as_hex()
tx_u_prime.set_unspents(tx_s.unspents)
p2sh_lookup = build_p2sh_lookup([h2b(x) for x in p2sh_values])
hash160_lookup = build_hash160_lookup(private_keys, [secp256k1_generator])
tx_u_prime.sign(hash160_lookup=hash160_lookup, p2sh_lookup=p2sh_lookup)
self.check_signed(tx_u_prime)
tx_hex = tx_u_prime.as_hex()
self.assertEqual(tx_hex, tx_s_hex)
def test_sign_p2sh(self):
tx_out_script = h2b("76a91491b24bf9f5288532960ac687abb035127b1d28a588ac")
script = script_for_address("1EHNa6Q4Jz2uvNExL497mE43ikXhwF6kZm")
self.assertEqual(tx_out_script, script)
tx_out = TxOut(100, tx_out_script)
tx = Tx(1, [TxIn(b'\1' * 32, 1)], [TxOut(100, tx_out_script)])
tx.set_unspents([tx_out])
hl = build_hash160_lookup([1], [secp256k1_generator])
self.assertEqual(tx.bad_signature_count(), 1)
tx.sign(hash160_lookup=hl)
self.assertEqual(tx.bad_signature_count(), 0)
def test_sign_p2sh(self):
tx_out_script = h2b(
"76a91491b24bf9f5288532960ac687abb035127b1d28a588ac")
script = script_for_address("1EHNa6Q4Jz2uvNExL497mE43ikXhwF6kZm")
self.assertEqual(tx_out_script, script)
tx_out = TxOut(100, tx_out_script)
tx = Tx(1, [TxIn(b'\1' * 32, 1)], [TxOut(100, tx_out_script)])
tx.set_unspents([tx_out])
hl = build_hash160_lookup([1], [secp256k1_generator])
self.assertEqual(tx.bad_solution_count(), 1)
tx.sign(hash160_lookup=hl)
self.assertEqual(tx.bad_solution_count(), 0)
def spend_sh_fund(tx_ins, wif_keys, tx_outs):
"""
spend script hash fund
the key point of an input comes from multisig address is that,
its sign script is combined with several individual signs
:param tx_ins: list with tuple(tx_id, idx, balance, address, redeem_script)
:param wif_keys: private keys in wif format,
technical should be the same order with the pubkey in redeem script,
but pycoin has inner control, so here order is not mandatory
:param tx_outs: balance, receiver_address
:return: raw hex and tx id
"""
_txs_in = []
_un_spent = []
for tx_id, idx, balance, address, _ in tx_ins:
# must h2b_rev NOT h2b
tx_id_b = h2b_rev(tx_id)
_txs_in.append(TxIn(tx_id_b, idx))
_un_spent.append(
Spendable(balance, network.contract.for_address(address), tx_id_b,
idx))
_txs_out = []
for balance, receiver_address in tx_outs:
_txs_out.append(
TxOut(balance, network.contract.for_address(receiver_address)))
version, lock_time = 1, 0
tx = Tx(version, _txs_in, _txs_out, lock_time)
tx.set_unspents(_un_spent)
# construct hash160_lookup[hash160] = (secret_exponent, public_pair, compressed) for each individual key
hash160_lookup = build_hash160_lookup(
[network.parse.wif(wif_key).secret_exponent() for wif_key in wif_keys],
[secp256k1_generator])
for i in range(0, len(tx_ins)):
# you can add some conditions that if the input script is not p2sh type, not provide p2sh_lookup,
# so that all kinds of inputs can work together
p2sh_lookup = build_p2sh_lookup([binascii.unhexlify(tx_ins[i][-1])])
r = BitcoinSolver(tx).solve(hash160_lookup,
i,
hash_type=SIGHASH_ALL,
p2sh_lookup=p2sh_lookup)
if isinstance(r, bytes):
tx.txs_in[i].script = r
else:
tx.txs_in[i].script = r[0]
tx.set_witness(i, r[1])
return tx.as_hex(), tx.id()
def test_solve_pay_to_public_pair(self):
for se in range(1, 10):
key = Key(secret_exponent=se, generator=secp256k1_generator)
for b in [True, False]:
addr = key.address(use_uncompressed=b)
script = script_for_p2pk(key.sec(use_uncompressed=b))
afs_address = address_for_script(script)
self.assertEqual(afs_address, addr)
hl = build_hash160_lookup([se], [secp256k1_generator])
tx = Tx(1, [], [Tx.TxOut(100, script)])
tx.sign(hash160_lookup=hl)
afs_address = address_for_script(tx.txs_out[0].puzzle_script())
self.assertEqual(afs_address, addr)
def multisig_M_of_N(self, M, N, unsigned_id, signed_id):
keys = [Key(secret_exponent=i, generator=secp256k1_generator) for i in range(1, N+2)]
tx_in = TxIn.coinbase_tx_in(script=b'')
script = script_for_multisig(m=M, sec_keys=[key.sec() for key in keys[:N]])
tx_out = TxOut(1000000, script)
tx1 = Tx(version=1, txs_in=[tx_in], txs_out=[tx_out])
tx2 = tx_utils.create_tx(tx1.tx_outs_as_spendable(), [keys[-1].address()])
self.assertEqual(tx2.id(), unsigned_id)
self.assertEqual(tx2.bad_signature_count(), 1)
hash160_lookup = build_hash160_lookup((key.secret_exponent() for key in keys[:M]), [secp256k1_generator])
tx2.sign(hash160_lookup=hash160_lookup)
self.assertEqual(tx2.id(), signed_id)
self.assertEqual(tx2.bad_signature_count(), 0)
def test_solve_pay_to_public_pair(self):
for se in range(1, 10):
key = Key(secret_exponent=se, generator=secp256k1_generator)
for b in [True, False]:
addr = key.address(use_uncompressed=b)
script = script_for_p2pk(key.sec(use_uncompressed=b))
afs_address = address_for_script(script)
self.assertEqual(afs_address, addr)
hl = build_hash160_lookup([se], [secp256k1_generator])
tx = Tx(1, [], [Tx.TxOut(100, script)])
tx.sign(hash160_lookup=hl)
afs_address = address_for_script(tx.txs_out[0].puzzle_script())
self.assertEqual(afs_address, addr)
def multisig_M_of_N_individually(self, M, N):
keys = [Key(secret_exponent=i, generator=secp256k1_generator) for i in range(1, N+2)]
tx_in = Tx.TxIn.coinbase_tx_in(script=b'')
script = script_for_multisig(m=M, sec_keys=[key.sec() for key in keys[:N]])
tx_out = Tx.TxOut(1000000, script)
tx1 = Tx(version=1, txs_in=[tx_in], txs_out=[tx_out])
for partial_key_list in itertools.permutations(keys[:N], M):
tx2 = create_tx(tx1.tx_outs_as_spendable(), [keys[-1].address()])
for key in partial_key_list:
self.assertEqual(tx2.bad_signature_count(), 1)
hash160_lookup = build_hash160_lookup([key.secret_exponent()], [secp256k1_generator])
tx2.sign(hash160_lookup=hash160_lookup)
self.assertEqual(tx2.bad_signature_count(), 0)
def test_p2sh_multisig_sequential_signing(self):
raw_scripts = [
h2b("52210234abcffd2e80ad01c2ec0276ad02682808169c6fafdd25ebfb60703df272b461"
"2102e5baaafff8094e4d77ce8b009d5ebc3de9110085ebd3d96e50cc7ce70faf175221"
"0316ee25e80eb6e6fc734d9c86fa580cbb9c4bfd94a19f0373a22353ececd4db6853ae"
)
]
spendable = {
'script_hex':
'a914c4ed4de526461e3efbb79c8b688a6f9282c0464687',
'does_seem_spent':
0,
'block_index_spent':
0,
'coin_value':
10000,
'block_index_available':
0,
'tx_out_index':
0,
'tx_hash_hex':
'0ca152ba6b88db87a7ef1afd24554102aca1ab86cf2c10ccbc374472145dc943'
}
key_1 = key_from_text(
'Kz6pytJCigYHeMsGLmfHQPJhN5og2wpeSVrU43xWwgHLCAvpsprh')
key_2 = key_from_text(
'Kz7NHgX7MBySA3RSKj9GexUSN6NepEDoPNugSPr5absRDoKgn2dT')
for ordered_keys in [(key_1, key_2), (key_2, key_1)]:
txs_in = [
TxIn(previous_hash=h2b(
'43c95d14724437bccc102ccf86aba1ac02415524fd1aefa787db886bba52a10c'
),
previous_index=0)
]
txs_out = [
TxOut(10000,
script_for_address('3KeGeLFmsbmbVdeMLrWp7WYKcA3tdsB4AR'))
]
unspents = [Spendable.from_dict(spendable)]
tx = Tx(version=DEFAULT_VERSION,
txs_in=txs_in,
txs_out=txs_out,
unspents=unspents)
for key in ordered_keys:
self.assertEqual(tx.bad_solution_count(), 1)
p2sh_lookup = build_p2sh_lookup(raw_scripts)
tx.sign(build_hash160_lookup([key.secret_exponent()],
[secp256k1_generator]),
p2sh_lookup=p2sh_lookup)
self.assertEqual(tx.bad_solution_count(), 0)
def tether_tx(tx_ins, in_keys, send_amount, receiver, change_address):
"""
simple usdt transaction
different address's utxo can be used for mine fee,
but should be aware sender is determined by the first input in the tx
bitcoin change can also be sent back to different address,
but should be aware receiver is indicated by the last output address that is not the sender
:param tx_ins: utxo from the sender
:param in_keys: list of private keys in hex format corresponding to each input
:param send_amount: (display amount) * (10 ** 8)
:param receiver: address to receive usdt
:param change_address: address to receive btc change
"""
_txs_in = []
_un_spent = []
total_bal = 0
for tx_id, idx, balance, address in tx_ins:
total_bal += balance
# must h2b_rev NOT h2b
tx_id_b = h2b_rev(tx_id)
_txs_in.append(TxIn(tx_id_b, idx))
_un_spent.append(
Spendable(balance, network.contract.for_address(address), tx_id_b,
idx))
satoshi_per_byte = recommend_satoshi_per_byte()
txn_fee = estimate_p2pkh_tx_bytes(len(tx_ins), 3) * satoshi_per_byte
_txs_out = [
TxOut(total_bal - txn_fee - MIN_BTC_OUT,
network.contract.for_address(change_address)),
TxOut(0, binascii.unhexlify(omni_tether_script(send_amount))),
TxOut(MIN_BTC_OUT, network.contract.for_address(receiver))
]
version, lock_time = 1, 0
tx = Tx(version, _txs_in, _txs_out, lock_time)
tx.set_unspents(_un_spent)
solver = build_hash160_lookup([int(pri_hex, 16) for pri_hex in in_keys],
[secp256k1_generator])
signed_tx = tx.sign(solver, hash_type=SIGHASH_ALL)
return signed_tx.as_hex(), signed_tx.id()
def check_tx_can_be_signed(self,
tx_u,
tx_s,
private_keys=[],
p2sh_values=[]):
tx_u_prime = self.unsigned_copy(tx_s)
tx_s_hex = tx_s.as_hex()
tx_u_prime.set_unspents(tx_s.unspents)
p2sh_lookup = build_p2sh_lookup([h2b(x) for x in p2sh_values])
hash160_lookup = build_hash160_lookup(private_keys,
[secp256k1_generator])
tx_u_prime.sign(hash160_lookup=hash160_lookup, p2sh_lookup=p2sh_lookup)
self.check_signed(tx_u_prime)
tx_hex = tx_u_prime.as_hex()
self.assertEqual(tx_hex, tx_s_hex)
def multisig_M_of_N_individually(self, M, N):
keys = [Key(secret_exponent=i) for i in range(1, N + 2)]
tx_in = Tx.TxIn.coinbase_tx_in(script=b'')
script = script_for_multisig(m=M,
sec_keys=[key.sec() for key in keys[:N]])
tx_out = Tx.TxOut(1000000, script)
tx1 = Tx(version=1, txs_in=[tx_in], txs_out=[tx_out])
for partial_key_list in itertools.permutations(keys[:N], M):
tx2 = create_tx(tx1.tx_outs_as_spendable(), [keys[-1].address()])
for key in partial_key_list:
self.assertEqual(tx2.bad_solution_count(), 1)
hash160_lookup = build_hash160_lookup([key.secret_exponent()],
[secp256k1_generator])
tx2.sign(hash160_lookup=hash160_lookup)
self.assertEqual(tx2.bad_solution_count(), 0)
def test_sign_pay_to_script_multisig(self):
M, N = 3, 3
keys = [Key(secret_exponent=i, generator=secp256k1_generator) for i in range(1, N+2)]
tx_in = TxIn.coinbase_tx_in(script=b'')
underlying_script = script_for_multisig(m=M, sec_keys=[key.sec() for key in keys[:N]])
address = address_for_p2s(underlying_script)
self.assertEqual(address, "39qEwuwyb2cAX38MFtrNzvq3KV9hSNov3q")
script = script_for_address(address)
tx_out = TxOut(1000000, script)
tx1 = Tx(version=1, txs_in=[tx_in], txs_out=[tx_out])
tx2 = tx_utils.create_tx(tx1.tx_outs_as_spendable(), [address])
hash160_lookup = build_hash160_lookup((key.secret_exponent() for key in keys[:N]), [secp256k1_generator])
p2sh_lookup = build_p2sh_lookup([underlying_script])
tx2.sign(hash160_lookup=hash160_lookup, p2sh_lookup=p2sh_lookup)
self.assertEqual(tx2.bad_signature_count(), 0)
def multisig_M_of_N(self, M, N, unsigned_id, signed_id):
keys = [
Key(secret_exponent=i, generator=secp256k1_generator)
for i in range(1, N + 2)
]
tx_in = TxIn.coinbase_tx_in(script=b'')
script = script_for_multisig(m=M,
sec_keys=[key.sec() for key in keys[:N]])
tx_out = TxOut(1000000, script)
tx1 = Tx(version=1, txs_in=[tx_in], txs_out=[tx_out])
tx2 = tx_utils.create_tx(tx1.tx_outs_as_spendable(),
[keys[-1].address()])
self.assertEqual(tx2.id(), unsigned_id)
self.assertEqual(tx2.bad_solution_count(), 1)
hash160_lookup = build_hash160_lookup(
(key.secret_exponent() for key in keys[:M]), [secp256k1_generator])
tx2.sign(hash160_lookup=hash160_lookup)
self.assertEqual(tx2.id(), signed_id)
self.assertEqual(tx2.bad_solution_count(), 0)
def test_p2multisig_incremental(self):
keys = [Key(i, generator=secp256k1_generator) for i in (1, 2, 3)]
secs = [k.sec() for k in keys]
tx = self.make_test_tx(script_for_multisig(3, secs))
tx_in_idx = 0
for k in keys:
try:
tx.check_solution(tx_in_idx)
assert 0
except ScriptError:
pass
kwargs = {"hash160_lookup": build_hash160_lookup([k.secret_exponent()], [secp256k1_generator])}
kwargs["existing_script"] = [
data for opcode, data, pc, new_pc in BitcoinScriptTools.get_opcodes(
tx.txs_in[tx_in_idx].script) if data is not None]
kwargs["nocheck"] = True
kwargs["generator_for_signature_type_f"] = Solver.SolutionChecker.VM.generator_for_signature_type
solution_list, witness_list = self.do_test_solve(tx, tx_in_idx, **kwargs)
tx.check_solution(tx_in_idx)
def test_sign_pay_to_script_multisig(self):
M, N = 3, 3
keys = [
Key(secret_exponent=i, generator=secp256k1_generator)
for i in range(1, N + 2)
]
tx_in = TxIn.coinbase_tx_in(script=b'')
underlying_script = script_for_multisig(
m=M, sec_keys=[key.sec() for key in keys[:N]])
address = address_for_p2s(underlying_script)
self.assertEqual(address, "39qEwuwyb2cAX38MFtrNzvq3KV9hSNov3q")
script = script_for_address(address)
tx_out = TxOut(1000000, script)
tx1 = Tx(version=1, txs_in=[tx_in], txs_out=[tx_out])
tx2 = tx_utils.create_tx(tx1.tx_outs_as_spendable(), [address])
hash160_lookup = build_hash160_lookup(
(key.secret_exponent() for key in keys[:N]), [secp256k1_generator])
p2sh_lookup = build_p2sh_lookup([underlying_script])
tx2.sign(hash160_lookup=hash160_lookup, p2sh_lookup=p2sh_lookup)
self.assertEqual(tx2.bad_solution_count(), 0)
def test_multisig_one_at_a_time(self):
M = 3
N = 3
keys = [Key(secret_exponent=i, generator=secp256k1_generator) for i in range(1, N+2)]
tx_in = TxIn.coinbase_tx_in(script=b'')
script = script_for_multisig(m=M, sec_keys=[key.sec() for key in keys[:N]])
tx_out = TxOut(1000000, script)
tx1 = Tx(version=1, txs_in=[tx_in], txs_out=[tx_out])
tx2 = tx_utils.create_tx(tx1.tx_outs_as_spendable(), [keys[-1].address()])
ids = ["403e5bfc59e097bb197bf77a692d158dd3a4f7affb4a1fa41072dafe7bec7058",
"5931d9995e83721243dca24772d7012afcd4378996a8b953c458175f15a544db",
"9bb4421088190bbbb5b42a9eaa9baed7ec7574a407c25f71992ba56ca43d9c44",
"03a1dc2a63f93a5cf5a7cb668658eb3fc2eda88c06dc287b85ba3e6aff751771"]
for i in range(1, N+1):
self.assertEqual(tx2.bad_signature_count(), 1)
self.assertEqual(tx2.id(), ids[i-1])
hash160_lookup = build_hash160_lookup((key.secret_exponent() for key in keys[i-1:i]), [secp256k1_generator])
tx2.sign(hash160_lookup=hash160_lookup)
self.assertEqual(tx2.id(), ids[i])
self.assertEqual(tx2.bad_signature_count(), 0)
def test_p2sh_multisig_sequential_signing(self):
raw_scripts = [h2b(
"52210234abcffd2e80ad01c2ec0276ad02682808169c6fafdd25ebfb60703df272b461"
"2102e5baaafff8094e4d77ce8b009d5ebc3de9110085ebd3d96e50cc7ce70faf175221"
"0316ee25e80eb6e6fc734d9c86fa580cbb9c4bfd94a19f0373a22353ececd4db6853ae")]
spendable = {'script_hex': 'a914c4ed4de526461e3efbb79c8b688a6f9282c0464687', 'does_seem_spent': 0,
'block_index_spent': 0, 'coin_value': 10000, 'block_index_available': 0, 'tx_out_index': 0,
'tx_hash_hex': '0ca152ba6b88db87a7ef1afd24554102aca1ab86cf2c10ccbc374472145dc943'}
key_1 = key_from_text('Kz6pytJCigYHeMsGLmfHQPJhN5og2wpeSVrU43xWwgHLCAvpsprh')
key_2 = key_from_text('Kz7NHgX7MBySA3RSKj9GexUSN6NepEDoPNugSPr5absRDoKgn2dT')
for ordered_keys in [(key_1, key_2), (key_2, key_1)]:
txs_in = [TxIn(previous_hash=h2b('43c95d14724437bccc102ccf86aba1ac02415524fd1aefa787db886bba52a10c'),
previous_index=0)]
txs_out = [TxOut(10000, script_for_address('3KeGeLFmsbmbVdeMLrWp7WYKcA3tdsB4AR'))]
unspents = [Spendable.from_dict(spendable)]
tx = Tx(version=DEFAULT_VERSION, txs_in=txs_in, txs_out=txs_out, unspents=unspents)
for key in ordered_keys:
self.assertEqual(tx.bad_signature_count(), 1)
p2sh_lookup = build_p2sh_lookup(raw_scripts)
tx.sign(build_hash160_lookup([key.secret_exponent()], [secp256k1_generator]), p2sh_lookup=p2sh_lookup)
self.assertEqual(tx.bad_signature_count(), 0)
def tether_tx_flush(tx_ins, private_key, send_amount, receiver):
"""
this is just a tool function that sends all btc and usdt fund to the same receiver address
params are same with tether_tx
"""
_txs_in = []
_un_spent = []
total_bal = 0
for tx_id, idx, balance, address in tx_ins:
total_bal += balance
# must h2b_rev NOT h2b
tx_id_b = h2b_rev(tx_id)
_txs_in.append(TxIn(tx_id_b, idx))
_un_spent.append(
Spendable(balance, network.contract.for_address(address), tx_id_b,
idx))
txn_fee = estimate_p2pkh_tx_bytes(len(tx_ins),
2) * recommend_satoshi_per_byte()
_txs_out = [
TxOut(0, binascii.unhexlify(omni_tether_script(send_amount))),
TxOut(total_bal - txn_fee, network.contract.for_address(receiver))
]
version, lock_time = 1, 0
tx = Tx(version, _txs_in, _txs_out, lock_time)
tx.set_unspents(_un_spent)
solver = build_hash160_lookup([int(private_key, 16)] * len(tx_ins),
[secp256k1_generator])
signed_tx = tx.sign(solver, hash_type=SIGHASH_ALL)
return signed_tx.as_hex(), signed_tx.id()
def test_sign_bitcoind_partially_signed_2_of_2(self):
# Finish signing a 2 of 2 transaction, that already has one signature signed by bitcoind
# This tx can be found on testnet3 blockchain
# txid: 9618820d7037d2f32db798c92665231cd4599326f5bd99cb59d0b723be2a13a2
raw_script = ("522103e33b41f5ed67a77d4c4c54b3e946bd30d15b8f66e42cb29fde059c168851165521"
"02b92cb20a9fb1eb9656a74eeb7387636cf64cdf502ff50511830328c1b479986452ae")
p2sh_lookup = build_p2sh_lookup([h2b(raw_script)])
partially_signed_raw_tx = (
"010000000196238f11a5fd3ceef4efd5a186a7e6b9217d900418e72aca917cd6a6e634"
"e74100000000910047304402201b41b471d9dd93cf97eed7cfc39a5767a546f6bfbf3e"
"0c91ff9ad23ab9770f1f02205ce565666271d055be1f25a7e52e34cbf659f6c70770ff"
"59bd783a6fcd1be3dd0147522103e33b41f5ed67a77d4c4c54b3e946bd30d15b8f66e4"
"2cb29fde059c16885116552102b92cb20a9fb1eb9656a74eeb7387636cf64cdf502ff5"
"0511830328c1b479986452aeffffffff01a0bb0d00000000001976a9143b3beefd6f78"
"02fa8706983a76a51467bfa36f8b88ac00000000")
tx = Tx.from_hex(partially_signed_raw_tx)
tx_out = TxOut(1000000, h2b("a914a10dfa21ee8c33b028b92562f6fe04e60563d3c087"))
tx.set_unspents([tx_out])
key = key_from_text("cThRBRu2jAeshWL3sH3qbqdq9f4jDiDbd1SVz4qjTZD2xL1pdbsx")
hash160_lookup = build_hash160_lookup([key.secret_exponent()], [secp256k1_generator])
self.assertEqual(tx.bad_signature_count(), 1)
tx.sign(hash160_lookup=hash160_lookup, p2sh_lookup=p2sh_lookup)
self.assertEqual(tx.bad_signature_count(), 0)
self.assertEqual(tx.id(), "9618820d7037d2f32db798c92665231cd4599326f5bd99cb59d0b723be2a13a2")
def test_bip143_tx_5(self):
tx_u5, tx_s5 = self.check_bip143_tx(
"010000000136641869ca081e70f394c6948e8af409e18b619df2ed74aa106c1ca29787"
"b96e0100000000ffffffff0200e9a435000000001976a914389ffce9cd9ae88dcc0631"
"e88a821ffdbe9bfe2688acc0832f05000000001976a9147480a33f950689af511e6e84"
"c138dbbd3c3ee41588ac00000000",
"0100000000010136641869ca081e70f394c6948e8af409e18b619df2ed74aa106c1ca2"
"9787b96e0100000023220020a16b5755f7f6f96dbd65f5f0d6ab9418b89af4b1f14a1b"
"b8a09062c35f0dcb54ffffffff0200e9a435000000001976a914389ffce9cd9ae88dcc"
"0631e88a821ffdbe9bfe2688acc0832f05000000001976a9147480a33f950689af511e"
"6e84c138dbbd3c3ee41588ac080047304402206ac44d672dac41f9b00e28f4df20c52e"
"eb087207e8d758d76d92c6fab3b73e2b0220367750dbbe19290069cba53d096f44530e"
"4f98acaa594810388cf7409a1870ce01473044022068c7946a43232757cbdf9176f009"
"a928e1cd9a1a8c212f15c1e11ac9f2925d9002205b75f937ff2f9f3c1246e547e54f62"
"e027f64eefa2695578cc6432cdabce271502473044022059ebf56d98010a932cf8ecfe"
"c54c48e6139ed6adb0728c09cbe1e4fa0915302e022007cd986c8fa870ff5d2b3a8913"
"9c9fe7e499259875357e20fcbb15571c76795403483045022100fbefd94bd0a488d50b"
"79102b5dad4ab6ced30c4069f1eaa69a4b5a763414067e02203156c6a5c9cf88f91265"
"f5a942e96213afae16d83321c8b31bb342142a14d16381483045022100a5263ea0553b"
"a89221984bd7f0b13613db16e7a70c549a86de0cc0444141a407022005c360ef0ae5a5"
"d4f9f2f87a56c1546cc8268cab08c73501d6b3be2e1e1a8a08824730440220525406a1"
"482936d5a21888260dc165497a90a15669636d8edca6b9fe490d309c022032af0c646a"
"34a44d1f4576bf6a4a74b67940f8faa84c7df9abe12a01a11e2b4783cf56210307b8ae"
"49ac90a048e9b53357a2354b3334e9c8bee813ecb98e99a7e07e8c3ba32103b28f0c28"
"bfab54554ae8c658ac5c3e0ce6e79ad336331f78c428dd43eea8449b21034b8113d703"
"413d57761b8b9781957b8c0ac1dfe69f492580ca4195f50376ba4a21033400f6afecb8"
"33092a9a21cfdf1ed1376e58c5d1f47de74683123987e967a8f42103a6d48b1131e94b"
"a04d9737d61acdaa1322008af9602b3b14862c07a1789aac162102d8b661b0b3302ee2"
"f162b09e07a55ad5dfbe673a9f01d9f0c19617681024306b56ae00000000",
[(9.87654321, "a9149993a429037b5d912407a71c252019287b8d27a587")],
1,
2,
1,
0
)
tx_u5prime = self.unsigned_copy(tx_s5)
tx_s_hex = tx_s5.as_hex()
tx_u5prime.set_unspents(tx_s5.unspents)
ss = ["56210307b8ae49ac90a048e9b53357a2354b3334e9c8bee813ecb98e99a7e07e8c3ba3"
"2103b28f0c28bfab54554ae8c658ac5c3e0ce6e79ad336331f78c428dd43eea8449b21"
"034b8113d703413d57761b8b9781957b8c0ac1dfe69f492580ca4195f50376ba4a2103"
"3400f6afecb833092a9a21cfdf1ed1376e58c5d1f47de74683123987e967a8f42103a6"
"d48b1131e94ba04d9737d61acdaa1322008af9602b3b14862c07a1789aac162102d8b6"
"61b0b3302ee2f162b09e07a55ad5dfbe673a9f01d9f0c19617681024306b56ae",
"0020a16b5755f7f6f96dbd65f5f0d6ab9418b89af4b1f14a1bb8a09062c35f0dcb54"]
p2sh_lookup = build_p2sh_lookup([h2b(x) for x in ss])
for se, sighash_type in [
(0x730fff80e1413068a05b57d6a58261f07551163369787f349438ea38ca80fac6, SIGHASH_ALL),
(0x11fa3d25a17cbc22b29c44a484ba552b5a53149d106d3d853e22fdd05a2d8bb3, SIGHASH_NONE),
(0x77bf4141a87d55bdd7f3cd0bdccf6e9e642935fec45f2f30047be7b799120661, SIGHASH_SINGLE),
(0x14af36970f5025ea3e8b5542c0f8ebe7763e674838d08808896b63c3351ffe49, SIGHASH_ANYONECANPAY | SIGHASH_ALL),
(0xfe9a95c19eef81dde2b95c1284ef39be497d128e2aa46916fb02d552485e0323, SIGHASH_ANYONECANPAY | SIGHASH_NONE),
(0x428a7aee9f0c2af0cd19af3cf1c78149951ea528726989b2e83e4778d2c3f890, SIGHASH_ANYONECANPAY | SIGHASH_SINGLE),
]:
tx_u5prime.sign(hash_type=sighash_type, hash160_lookup=build_hash160_lookup(
[se], [secp256k1_generator]), p2sh_lookup=p2sh_lookup)
self.check_signed(tx_u5prime)
tx_hex = tx_u5prime.as_hex()
self.assertEqual(tx_hex, tx_s_hex)
sc = tx_s5.SolutionChecker(tx_s5)
self.assertEqual(b2h(sc._hash_prevouts(SIGHASH_ALL)),
"74afdc312af5183c4198a40ca3c1a275b485496dd3929bca388c4b5e31f7aaa0")
self.assertEqual(b2h(sc._hash_sequence(SIGHASH_ALL)),
"3bb13029ce7b1f559ef5e747fcac439f1455a2ec7c5f09b72290795e70665044")
self.assertEqual(b2h(sc._hash_outputs(SIGHASH_ALL, 0)),
"bc4d309071414bed932f98832b27b4d76dad7e6c1346f487a8fdbb8eb90307cc")
self.assertEqual(b2h(sc._hash_outputs(SIGHASH_SINGLE, 0)),
"9efe0c13a6b16c14a41b04ebe6a63f419bdacb2f8705b494a43063ca3cd4f708")
script = tx_s5.txs_in[0].witness[-1]
self.assertEqual(
b2h(sc._segwit_signature_preimage(script=script, tx_in_idx=0, hash_type=SIGHASH_ALL)),
"0100000074afdc312af5183c4198a40ca3c1a275b485496dd3929bca388c4b5e31f7aa"
"a03bb13029ce7b1f559ef5e747fcac439f1455a2ec7c5f09b72290795e706650443664"
"1869ca081e70f394c6948e8af409e18b619df2ed74aa106c1ca29787b96e01000000cf"
"56210307b8ae49ac90a048e9b53357a2354b3334e9c8bee813ecb98e99a7e07e8c3ba3"
"2103b28f0c28bfab54554ae8c658ac5c3e0ce6e79ad336331f78c428dd43eea8449b21"
"034b8113d703413d57761b8b9781957b8c0ac1dfe69f492580ca4195f50376ba4a2103"
"3400f6afecb833092a9a21cfdf1ed1376e58c5d1f47de74683123987e967a8f42103a6"
"d48b1131e94ba04d9737d61acdaa1322008af9602b3b14862c07a1789aac162102d8b6"
"61b0b3302ee2f162b09e07a55ad5dfbe673a9f01d9f0c19617681024306b56aeb168de"
"3a00000000ffffffffbc4d309071414bed932f98832b27b4d76dad7e6c1346f487a8fd"
"bb8eb90307cc0000000001000000")
self.assertEqual(
b2h(sc._segwit_signature_preimage(script=script, tx_in_idx=0, hash_type=SIGHASH_NONE)),
"0100000074afdc312af5183c4198a40ca3c1a275b485496dd3929bca388c4b5e31f7aa"
"a000000000000000000000000000000000000000000000000000000000000000003664"
"1869ca081e70f394c6948e8af409e18b619df2ed74aa106c1ca29787b96e01000000cf"
"56210307b8ae49ac90a048e9b53357a2354b3334e9c8bee813ecb98e99a7e07e8c3ba3"
"2103b28f0c28bfab54554ae8c658ac5c3e0ce6e79ad336331f78c428dd43eea8449b21"
"034b8113d703413d57761b8b9781957b8c0ac1dfe69f492580ca4195f50376ba4a2103"
"3400f6afecb833092a9a21cfdf1ed1376e58c5d1f47de74683123987e967a8f42103a6"
"d48b1131e94ba04d9737d61acdaa1322008af9602b3b14862c07a1789aac162102d8b6"
"61b0b3302ee2f162b09e07a55ad5dfbe673a9f01d9f0c19617681024306b56aeb168de"
"3a00000000ffffffff0000000000000000000000000000000000000000000000000000"
"0000000000000000000002000000")
self.assertEqual(
b2h(sc._segwit_signature_preimage(script=script, tx_in_idx=0, hash_type=SIGHASH_SINGLE)),
"0100000074afdc312af5183c4198a40ca3c1a275b485496dd3929bca388c4b5e31f7aa"
"a000000000000000000000000000000000000000000000000000000000000000003664"
"1869ca081e70f394c6948e8af409e18b619df2ed74aa106c1ca29787b96e01000000cf"
"56210307b8ae49ac90a048e9b53357a2354b3334e9c8bee813ecb98e99a7e07e8c3ba3"
"2103b28f0c28bfab54554ae8c658ac5c3e0ce6e79ad336331f78c428dd43eea8449b21"
"034b8113d703413d57761b8b9781957b8c0ac1dfe69f492580ca4195f50376ba4a2103"
"3400f6afecb833092a9a21cfdf1ed1376e58c5d1f47de74683123987e967a8f42103a6"
"d48b1131e94ba04d9737d61acdaa1322008af9602b3b14862c07a1789aac162102d8b6"
"61b0b3302ee2f162b09e07a55ad5dfbe673a9f01d9f0c19617681024306b56aeb168de"
"3a00000000ffffffff9efe0c13a6b16c14a41b04ebe6a63f419bdacb2f8705b494a430"
"63ca3cd4f7080000000003000000")
self.assertEqual(
b2h(sc._segwit_signature_preimage(
script=script, tx_in_idx=0, hash_type=SIGHASH_ALL | SIGHASH_ANYONECANPAY)),
"0100000000000000000000000000000000000000000000000000000000000000000000"
"0000000000000000000000000000000000000000000000000000000000000000003664"
"1869ca081e70f394c6948e8af409e18b619df2ed74aa106c1ca29787b96e01000000cf"
"56210307b8ae49ac90a048e9b53357a2354b3334e9c8bee813ecb98e99a7e07e8c3ba3"
"2103b28f0c28bfab54554ae8c658ac5c3e0ce6e79ad336331f78c428dd43eea8449b21"
"034b8113d703413d57761b8b9781957b8c0ac1dfe69f492580ca4195f50376ba4a2103"
"3400f6afecb833092a9a21cfdf1ed1376e58c5d1f47de74683123987e967a8f42103a6"
"d48b1131e94ba04d9737d61acdaa1322008af9602b3b14862c07a1789aac162102d8b6"
"61b0b3302ee2f162b09e07a55ad5dfbe673a9f01d9f0c19617681024306b56aeb168de"
"3a00000000ffffffffbc4d309071414bed932f98832b27b4d76dad7e6c1346f487a8fd"
"bb8eb90307cc0000000081000000")
self.assertEqual(
b2h(sc._segwit_signature_preimage(
script=script, tx_in_idx=0, hash_type=SIGHASH_NONE | SIGHASH_ANYONECANPAY)),
"0100000000000000000000000000000000000000000000000000000000000000000000"
"0000000000000000000000000000000000000000000000000000000000000000003664"
"1869ca081e70f394c6948e8af409e18b619df2ed74aa106c1ca29787b96e01000000cf"
"56210307b8ae49ac90a048e9b53357a2354b3334e9c8bee813ecb98e99a7e07e8c3ba3"
"2103b28f0c28bfab54554ae8c658ac5c3e0ce6e79ad336331f78c428dd43eea8449b21"
"034b8113d703413d57761b8b9781957b8c0ac1dfe69f492580ca4195f50376ba4a2103"
"3400f6afecb833092a9a21cfdf1ed1376e58c5d1f47de74683123987e967a8f42103a6"
"d48b1131e94ba04d9737d61acdaa1322008af9602b3b14862c07a1789aac162102d8b6"
"61b0b3302ee2f162b09e07a55ad5dfbe673a9f01d9f0c19617681024306b56aeb168de"
"3a00000000ffffffff0000000000000000000000000000000000000000000000000000"
"0000000000000000000082000000")
self.assertEqual(
b2h(sc._segwit_signature_preimage(
script=script, tx_in_idx=0, hash_type=SIGHASH_SINGLE | SIGHASH_ANYONECANPAY)),
"0100000000000000000000000000000000000000000000000000000000000000000000"
"0000000000000000000000000000000000000000000000000000000000000000003664"
"1869ca081e70f394c6948e8af409e18b619df2ed74aa106c1ca29787b96e01000000cf"
"56210307b8ae49ac90a048e9b53357a2354b3334e9c8bee813ecb98e99a7e07e8c3ba3"
"2103b28f0c28bfab54554ae8c658ac5c3e0ce6e79ad336331f78c428dd43eea8449b21"
"034b8113d703413d57761b8b9781957b8c0ac1dfe69f492580ca4195f50376ba4a2103"
"3400f6afecb833092a9a21cfdf1ed1376e58c5d1f47de74683123987e967a8f42103a6"
"d48b1131e94ba04d9737d61acdaa1322008af9602b3b14862c07a1789aac162102d8b6"
"61b0b3302ee2f162b09e07a55ad5dfbe673a9f01d9f0c19617681024306b56aeb168de"
"3a00000000ffffffff9efe0c13a6b16c14a41b04ebe6a63f419bdacb2f8705b494a430"
"63ca3cd4f7080000000083000000")
tx = Tx.from_hex("010000000169c12106097dc2e0526493ef67f21269fe888ef05c7a3a5dacab38e1ac83"
"87f14c1d000000ffffffff0101000000000000000000000000")
tx.set_witness(0, [h2b(x) for x in [
"30450220487fb382c4974de3f7d834c1b617fe15860828c7f96454490edd6d891556dc"
"c9022100baf95feb48f845d5bfc9882eb6aeefa1bc3790e39f59eaa46ff7f15ae626c5"
"3e01",
"02a9781d66b61fb5a7ef00ac5ad5bc6ffc78be7b44a566e3c87870e1079368df4c",
"ad4830450220487fb382c4974de3f7d834c1b617fe15860828c7f96454490edd6d8915"
"56dcc9022100baf95feb48f845d5bfc9882eb6aeefa1bc3790e39f59eaa46ff7f15ae6"
"26c53e01"
]])
tx = Tx.from_hex(
"0100000000010169c12106097dc2e0526493ef67f21269fe888ef05c7a3a5dacab38e1"
"ac8387f14c1d000000ffffffff01010000000000000000034830450220487fb382c497"
"4de3f7d834c1b617fe15860828c7f96454490edd6d891556dcc9022100baf95feb48f8"
"45d5bfc9882eb6aeefa1bc3790e39f59eaa46ff7f15ae626c53e012102a9781d66b61f"
"b5a7ef00ac5ad5bc6ffc78be7b44a566e3c87870e1079368df4c4aad4830450220487f"
"b382c4974de3f7d834c1b617fe15860828c7f96454490edd6d891556dcc9022100baf9"
"5feb48f845d5bfc9882eb6aeefa1bc3790e39f59eaa46ff7f15ae626c53e0100000000")
tx_hex = tx.as_hex()
print(tx)
print(tx_hex)
tx = Tx.from_hex(
"010000000169c12106097dc2e0526493ef67f21269fe888ef05c7a3a5dacab38e1ac83"
"87f14c1d000000ffffffff0101000000000000000000000000")
self.assertEqual(
tx_hex,
"0100000000010169c12106097dc2e0526493ef67f21269fe888ef05c7a3a5dacab38e1"
"ac8387f14c1d000000ffffffff01010000000000000000034830450220487fb382c497"
"4de3f7d834c1b617fe15860828c7f96454490edd6d891556dcc9022100baf95feb48f8"
"45d5bfc9882eb6aeefa1bc3790e39f59eaa46ff7f15ae626c53e012102a9781d66b61f"
"b5a7ef00ac5ad5bc6ffc78be7b44a566e3c87870e1079368df4c4aad4830450220487f"
"b382c4974de3f7d834c1b617fe15860828c7f96454490edd6d891556dcc9022100baf9"
"5feb48f845d5bfc9882eb6aeefa1bc3790e39f59eaa46ff7f15ae626c53e0100000000")
def tether_tx_sh(tx_ins, wif_keys, send_amount, receiver, change_address):
"""
spend usdt having p2sh utxo
WARNING!!! THIS FUNCTION IS NOT FULLY TESTED AS MY FUND WAS STOLEN BY A SON OF BITCH
AFTER I BY ACCIDENT COMMITTED MY PRIVATE KEY!!!
:param tx_ins: list with tuple(tx_id, idx, balance, address, redeem_script),
redeem_script is required for p2sh utxo, set it None for p2pkh utxo
:param wif_keys: private keys of the inputs
:param send_amount: (display amount) * (10 ** 8)
:param receiver: address to receive usdt
:param change_address: address to receive btc change
"""
_txs_in = []
_un_spent = []
total_bal = 0
for tx_id, idx, balance, address, _ in tx_ins:
total_bal += balance
# must h2b_rev NOT h2b
tx_id_b = h2b_rev(tx_id)
_txs_in.append(TxIn(tx_id_b, idx))
_un_spent.append(
Spendable(balance, network.contract.for_address(address), tx_id_b,
idx))
txn_fee = estimate_p2pkh_tx_bytes(len(tx_ins),
3) * recommend_satoshi_per_byte() / 3
_txs_out = [
TxOut(total_bal - txn_fee - MIN_BTC_OUT,
network.contract.for_address(change_address)),
TxOut(0, binascii.unhexlify(omni_tether_script(send_amount))),
TxOut(MIN_BTC_OUT, network.contract.for_address(receiver))
]
version, lock_time = 1, 0
tx = Tx(version, _txs_in, _txs_out, lock_time)
tx.set_unspents(_un_spent)
# construct hash160_lookup[hash160] = (secret_exponent, public_pair, compressed) for each individual key
hash160_lookup = build_hash160_lookup(
[network.parse.wif(wif_key).secret_exponent() for wif_key in wif_keys],
[secp256k1_generator])
for i in range(0, len(tx_ins)):
if tx_ins[i][-1]:
p2sh_lookup = build_p2sh_lookup(
[binascii.unhexlify(tx_ins[i][-1])])
else:
p2sh_lookup = None
r = BitcoinSolver(tx).solve(hash160_lookup,
i,
hash_type=SIGHASH_ALL,
p2sh_lookup=p2sh_lookup)
if isinstance(r, bytes):
tx.txs_in[i].script = r
else:
tx.txs_in[i].script = r[0]
tx.set_witness(i, r[1])
return tx.as_hex(), tx.id()
def network_build_hash160_lookup(iter):
return build_hash160_lookup(iter, [generator])
def test_bip143_tx_5(self):
tx_u5, tx_s5 = self.check_bip143_tx(
"010000000136641869ca081e70f394c6948e8af409e18b619df2ed74aa106c1ca29787"
"b96e0100000000ffffffff0200e9a435000000001976a914389ffce9cd9ae88dcc0631"
"e88a821ffdbe9bfe2688acc0832f05000000001976a9147480a33f950689af511e6e84"
"c138dbbd3c3ee41588ac00000000",
"0100000000010136641869ca081e70f394c6948e8af409e18b619df2ed74aa106c1ca2"
"9787b96e0100000023220020a16b5755f7f6f96dbd65f5f0d6ab9418b89af4b1f14a1b"
"b8a09062c35f0dcb54ffffffff0200e9a435000000001976a914389ffce9cd9ae88dcc"
"0631e88a821ffdbe9bfe2688acc0832f05000000001976a9147480a33f950689af511e"
"6e84c138dbbd3c3ee41588ac080047304402206ac44d672dac41f9b00e28f4df20c52e"
"eb087207e8d758d76d92c6fab3b73e2b0220367750dbbe19290069cba53d096f44530e"
"4f98acaa594810388cf7409a1870ce01473044022068c7946a43232757cbdf9176f009"
"a928e1cd9a1a8c212f15c1e11ac9f2925d9002205b75f937ff2f9f3c1246e547e54f62"
"e027f64eefa2695578cc6432cdabce271502473044022059ebf56d98010a932cf8ecfe"
"c54c48e6139ed6adb0728c09cbe1e4fa0915302e022007cd986c8fa870ff5d2b3a8913"
"9c9fe7e499259875357e20fcbb15571c76795403483045022100fbefd94bd0a488d50b"
"79102b5dad4ab6ced30c4069f1eaa69a4b5a763414067e02203156c6a5c9cf88f91265"
"f5a942e96213afae16d83321c8b31bb342142a14d16381483045022100a5263ea0553b"
"a89221984bd7f0b13613db16e7a70c549a86de0cc0444141a407022005c360ef0ae5a5"
"d4f9f2f87a56c1546cc8268cab08c73501d6b3be2e1e1a8a08824730440220525406a1"
"482936d5a21888260dc165497a90a15669636d8edca6b9fe490d309c022032af0c646a"
"34a44d1f4576bf6a4a74b67940f8faa84c7df9abe12a01a11e2b4783cf56210307b8ae"
"49ac90a048e9b53357a2354b3334e9c8bee813ecb98e99a7e07e8c3ba32103b28f0c28"
"bfab54554ae8c658ac5c3e0ce6e79ad336331f78c428dd43eea8449b21034b8113d703"
"413d57761b8b9781957b8c0ac1dfe69f492580ca4195f50376ba4a21033400f6afecb8"
"33092a9a21cfdf1ed1376e58c5d1f47de74683123987e967a8f42103a6d48b1131e94b"
"a04d9737d61acdaa1322008af9602b3b14862c07a1789aac162102d8b661b0b3302ee2"
"f162b09e07a55ad5dfbe673a9f01d9f0c19617681024306b56ae00000000",
[(9.87654321, "a9149993a429037b5d912407a71c252019287b8d27a587")],
1, 2, 1, 0)
tx_u5prime = self.unsigned_copy(tx_s5)
tx_s_hex = tx_s5.as_hex()
tx_u5prime.set_unspents(tx_s5.unspents)
ss = [
"56210307b8ae49ac90a048e9b53357a2354b3334e9c8bee813ecb98e99a7e07e8c3ba3"
"2103b28f0c28bfab54554ae8c658ac5c3e0ce6e79ad336331f78c428dd43eea8449b21"
"034b8113d703413d57761b8b9781957b8c0ac1dfe69f492580ca4195f50376ba4a2103"
"3400f6afecb833092a9a21cfdf1ed1376e58c5d1f47de74683123987e967a8f42103a6"
"d48b1131e94ba04d9737d61acdaa1322008af9602b3b14862c07a1789aac162102d8b6"
"61b0b3302ee2f162b09e07a55ad5dfbe673a9f01d9f0c19617681024306b56ae",
"0020a16b5755f7f6f96dbd65f5f0d6ab9418b89af4b1f14a1bb8a09062c35f0dcb54"
]
p2sh_lookup = build_p2sh_lookup([h2b(x) for x in ss])
for se, sighash_type in [
(0x730fff80e1413068a05b57d6a58261f07551163369787f349438ea38ca80fac6,
SIGHASH_ALL),
(0x11fa3d25a17cbc22b29c44a484ba552b5a53149d106d3d853e22fdd05a2d8bb3,
SIGHASH_NONE),
(0x77bf4141a87d55bdd7f3cd0bdccf6e9e642935fec45f2f30047be7b799120661,
SIGHASH_SINGLE),
(0x14af36970f5025ea3e8b5542c0f8ebe7763e674838d08808896b63c3351ffe49,
SIGHASH_ANYONECANPAY | SIGHASH_ALL),
(0xfe9a95c19eef81dde2b95c1284ef39be497d128e2aa46916fb02d552485e0323,
SIGHASH_ANYONECANPAY | SIGHASH_NONE),
(0x428a7aee9f0c2af0cd19af3cf1c78149951ea528726989b2e83e4778d2c3f890,
SIGHASH_ANYONECANPAY | SIGHASH_SINGLE),
]:
tx_u5prime.sign(hash_type=sighash_type,
hash160_lookup=build_hash160_lookup(
[se], [secp256k1_generator]),
p2sh_lookup=p2sh_lookup)
self.check_signed(tx_u5prime)
tx_hex = tx_u5prime.as_hex()
self.assertEqual(tx_hex, tx_s_hex)
sc = tx_s5.SolutionChecker(tx_s5)
self.assertEqual(
b2h(sc._hash_prevouts(SIGHASH_ALL)),
"74afdc312af5183c4198a40ca3c1a275b485496dd3929bca388c4b5e31f7aaa0")
self.assertEqual(
b2h(sc._hash_sequence(SIGHASH_ALL)),
"3bb13029ce7b1f559ef5e747fcac439f1455a2ec7c5f09b72290795e70665044")
self.assertEqual(
b2h(sc._hash_outputs(SIGHASH_ALL, 0)),
"bc4d309071414bed932f98832b27b4d76dad7e6c1346f487a8fdbb8eb90307cc")
self.assertEqual(
b2h(sc._hash_outputs(SIGHASH_SINGLE, 0)),
"9efe0c13a6b16c14a41b04ebe6a63f419bdacb2f8705b494a43063ca3cd4f708")
script = tx_s5.txs_in[0].witness[-1]
self.assertEqual(
b2h(
sc._segwit_signature_preimage(script=script,
tx_in_idx=0,
hash_type=SIGHASH_ALL)),
"0100000074afdc312af5183c4198a40ca3c1a275b485496dd3929bca388c4b5e31f7aa"
"a03bb13029ce7b1f559ef5e747fcac439f1455a2ec7c5f09b72290795e706650443664"
"1869ca081e70f394c6948e8af409e18b619df2ed74aa106c1ca29787b96e01000000cf"
"56210307b8ae49ac90a048e9b53357a2354b3334e9c8bee813ecb98e99a7e07e8c3ba3"
"2103b28f0c28bfab54554ae8c658ac5c3e0ce6e79ad336331f78c428dd43eea8449b21"
"034b8113d703413d57761b8b9781957b8c0ac1dfe69f492580ca4195f50376ba4a2103"
"3400f6afecb833092a9a21cfdf1ed1376e58c5d1f47de74683123987e967a8f42103a6"
"d48b1131e94ba04d9737d61acdaa1322008af9602b3b14862c07a1789aac162102d8b6"
"61b0b3302ee2f162b09e07a55ad5dfbe673a9f01d9f0c19617681024306b56aeb168de"
"3a00000000ffffffffbc4d309071414bed932f98832b27b4d76dad7e6c1346f487a8fd"
"bb8eb90307cc0000000001000000")
self.assertEqual(
b2h(
sc._segwit_signature_preimage(script=script,
tx_in_idx=0,
hash_type=SIGHASH_NONE)),
"0100000074afdc312af5183c4198a40ca3c1a275b485496dd3929bca388c4b5e31f7aa"
"a000000000000000000000000000000000000000000000000000000000000000003664"
"1869ca081e70f394c6948e8af409e18b619df2ed74aa106c1ca29787b96e01000000cf"
"56210307b8ae49ac90a048e9b53357a2354b3334e9c8bee813ecb98e99a7e07e8c3ba3"
"2103b28f0c28bfab54554ae8c658ac5c3e0ce6e79ad336331f78c428dd43eea8449b21"
"034b8113d703413d57761b8b9781957b8c0ac1dfe69f492580ca4195f50376ba4a2103"
"3400f6afecb833092a9a21cfdf1ed1376e58c5d1f47de74683123987e967a8f42103a6"
"d48b1131e94ba04d9737d61acdaa1322008af9602b3b14862c07a1789aac162102d8b6"
"61b0b3302ee2f162b09e07a55ad5dfbe673a9f01d9f0c19617681024306b56aeb168de"
"3a00000000ffffffff0000000000000000000000000000000000000000000000000000"
"0000000000000000000002000000")
self.assertEqual(
b2h(
sc._segwit_signature_preimage(script=script,
tx_in_idx=0,
hash_type=SIGHASH_SINGLE)),
"0100000074afdc312af5183c4198a40ca3c1a275b485496dd3929bca388c4b5e31f7aa"
"a000000000000000000000000000000000000000000000000000000000000000003664"
"1869ca081e70f394c6948e8af409e18b619df2ed74aa106c1ca29787b96e01000000cf"
"56210307b8ae49ac90a048e9b53357a2354b3334e9c8bee813ecb98e99a7e07e8c3ba3"
"2103b28f0c28bfab54554ae8c658ac5c3e0ce6e79ad336331f78c428dd43eea8449b21"
"034b8113d703413d57761b8b9781957b8c0ac1dfe69f492580ca4195f50376ba4a2103"
"3400f6afecb833092a9a21cfdf1ed1376e58c5d1f47de74683123987e967a8f42103a6"
"d48b1131e94ba04d9737d61acdaa1322008af9602b3b14862c07a1789aac162102d8b6"
"61b0b3302ee2f162b09e07a55ad5dfbe673a9f01d9f0c19617681024306b56aeb168de"
"3a00000000ffffffff9efe0c13a6b16c14a41b04ebe6a63f419bdacb2f8705b494a430"
"63ca3cd4f7080000000003000000")
self.assertEqual(
b2h(
sc._segwit_signature_preimage(script=script,
tx_in_idx=0,
hash_type=SIGHASH_ALL
| SIGHASH_ANYONECANPAY)),
"0100000000000000000000000000000000000000000000000000000000000000000000"
"0000000000000000000000000000000000000000000000000000000000000000003664"
"1869ca081e70f394c6948e8af409e18b619df2ed74aa106c1ca29787b96e01000000cf"
"56210307b8ae49ac90a048e9b53357a2354b3334e9c8bee813ecb98e99a7e07e8c3ba3"
"2103b28f0c28bfab54554ae8c658ac5c3e0ce6e79ad336331f78c428dd43eea8449b21"
"034b8113d703413d57761b8b9781957b8c0ac1dfe69f492580ca4195f50376ba4a2103"
"3400f6afecb833092a9a21cfdf1ed1376e58c5d1f47de74683123987e967a8f42103a6"
"d48b1131e94ba04d9737d61acdaa1322008af9602b3b14862c07a1789aac162102d8b6"
"61b0b3302ee2f162b09e07a55ad5dfbe673a9f01d9f0c19617681024306b56aeb168de"
"3a00000000ffffffffbc4d309071414bed932f98832b27b4d76dad7e6c1346f487a8fd"
"bb8eb90307cc0000000081000000")
self.assertEqual(
b2h(
sc._segwit_signature_preimage(script=script,
tx_in_idx=0,
hash_type=SIGHASH_NONE
| SIGHASH_ANYONECANPAY)),
"0100000000000000000000000000000000000000000000000000000000000000000000"
"0000000000000000000000000000000000000000000000000000000000000000003664"
"1869ca081e70f394c6948e8af409e18b619df2ed74aa106c1ca29787b96e01000000cf"
"56210307b8ae49ac90a048e9b53357a2354b3334e9c8bee813ecb98e99a7e07e8c3ba3"
"2103b28f0c28bfab54554ae8c658ac5c3e0ce6e79ad336331f78c428dd43eea8449b21"
"034b8113d703413d57761b8b9781957b8c0ac1dfe69f492580ca4195f50376ba4a2103"
"3400f6afecb833092a9a21cfdf1ed1376e58c5d1f47de74683123987e967a8f42103a6"
"d48b1131e94ba04d9737d61acdaa1322008af9602b3b14862c07a1789aac162102d8b6"
"61b0b3302ee2f162b09e07a55ad5dfbe673a9f01d9f0c19617681024306b56aeb168de"
"3a00000000ffffffff0000000000000000000000000000000000000000000000000000"
"0000000000000000000082000000")
self.assertEqual(
b2h(
sc._segwit_signature_preimage(script=script,
tx_in_idx=0,
hash_type=SIGHASH_SINGLE
| SIGHASH_ANYONECANPAY)),
"0100000000000000000000000000000000000000000000000000000000000000000000"
"0000000000000000000000000000000000000000000000000000000000000000003664"
"1869ca081e70f394c6948e8af409e18b619df2ed74aa106c1ca29787b96e01000000cf"
"56210307b8ae49ac90a048e9b53357a2354b3334e9c8bee813ecb98e99a7e07e8c3ba3"
"2103b28f0c28bfab54554ae8c658ac5c3e0ce6e79ad336331f78c428dd43eea8449b21"
"034b8113d703413d57761b8b9781957b8c0ac1dfe69f492580ca4195f50376ba4a2103"
"3400f6afecb833092a9a21cfdf1ed1376e58c5d1f47de74683123987e967a8f42103a6"
"d48b1131e94ba04d9737d61acdaa1322008af9602b3b14862c07a1789aac162102d8b6"
"61b0b3302ee2f162b09e07a55ad5dfbe673a9f01d9f0c19617681024306b56aeb168de"
"3a00000000ffffffff9efe0c13a6b16c14a41b04ebe6a63f419bdacb2f8705b494a430"
"63ca3cd4f7080000000083000000")
tx = Tx.from_hex(
"010000000169c12106097dc2e0526493ef67f21269fe888ef05c7a3a5dacab38e1ac83"
"87f14c1d000000ffffffff0101000000000000000000000000")
tx.set_witness(0, [
h2b(x) for x in [
"30450220487fb382c4974de3f7d834c1b617fe15860828c7f96454490edd6d891556dc"
"c9022100baf95feb48f845d5bfc9882eb6aeefa1bc3790e39f59eaa46ff7f15ae626c5"
"3e01",
"02a9781d66b61fb5a7ef00ac5ad5bc6ffc78be7b44a566e3c87870e1079368df4c",
"ad4830450220487fb382c4974de3f7d834c1b617fe15860828c7f96454490edd6d8915"
"56dcc9022100baf95feb48f845d5bfc9882eb6aeefa1bc3790e39f59eaa46ff7f15ae6"
"26c53e01"
]
])
tx = Tx.from_hex(
"0100000000010169c12106097dc2e0526493ef67f21269fe888ef05c7a3a5dacab38e1"
"ac8387f14c1d000000ffffffff01010000000000000000034830450220487fb382c497"
"4de3f7d834c1b617fe15860828c7f96454490edd6d891556dcc9022100baf95feb48f8"
"45d5bfc9882eb6aeefa1bc3790e39f59eaa46ff7f15ae626c53e012102a9781d66b61f"
"b5a7ef00ac5ad5bc6ffc78be7b44a566e3c87870e1079368df4c4aad4830450220487f"
"b382c4974de3f7d834c1b617fe15860828c7f96454490edd6d891556dcc9022100baf9"
"5feb48f845d5bfc9882eb6aeefa1bc3790e39f59eaa46ff7f15ae626c53e0100000000"
)
tx_hex = tx.as_hex()
print(tx)
print(tx_hex)
tx = Tx.from_hex(
"010000000169c12106097dc2e0526493ef67f21269fe888ef05c7a3a5dacab38e1ac83"
"87f14c1d000000ffffffff0101000000000000000000000000")
self.assertEqual(
tx_hex,
"0100000000010169c12106097dc2e0526493ef67f21269fe888ef05c7a3a5dacab38e1"
"ac8387f14c1d000000ffffffff01010000000000000000034830450220487fb382c497"
"4de3f7d834c1b617fe15860828c7f96454490edd6d891556dcc9022100baf95feb48f8"
"45d5bfc9882eb6aeefa1bc3790e39f59eaa46ff7f15ae626c53e012102a9781d66b61f"
"b5a7ef00ac5ad5bc6ffc78be7b44a566e3c87870e1079368df4c4aad4830450220487f"
"b382c4974de3f7d834c1b617fe15860828c7f96454490edd6d891556dcc9022100baf9"
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)
