def f(key_data, network, subkey_path, add_output):
if len(key_data) == 74:
key = network.extras.BIP32Node.deserialize(b'0000' + key_data)
elif len(key_data) in (32, 64):
key = network.extras.ElectrumWallet.deserialize(key_data)
else:
return
yield ("wallet_key", key.hwif(as_private=key.is_private()), None)
if key.is_private():
yield ("public_version", key.hwif(as_private=False), None)
child_number = key.child_index()
if child_number >= 0x80000000:
wc = child_number - 0x80000000
child_index = "%dH (%d)" % (wc, child_number)
else:
child_index = "%d" % child_number
yield ("tree_depth", "%d" % key.tree_depth(), None)
yield ("fingerprint", b2h(key.fingerprint()), None)
yield ("parent_fingerprint", b2h(key.parent_fingerprint()),
"parent f'print")
yield ("child_index", child_index, None)
yield ("chain_code", b2h(key.chain_code()), None)
yield ("private_key", "yes" if key.is_private() else "no", None)
def f(public_pair):
yield ("public_pair_x", '%d' % public_pair[0], None)
yield ("public_pair_y", '%d' % public_pair[1], None)
yield ("public_pair_x_hex", '%x' % public_pair[0], " x as hex")
yield ("public_pair_y_hex", '%x' % public_pair[1], " y as hex")
yield ("y_parity", "odd" if (public_pair[1] & 1) else "even", None)
key = Key(public_pair=public_pair)
yield ("key_pair_as_sec", b2h(key.sec(use_uncompressed=False)), None)
yield ("key_pair_as_sec_uncompressed",
b2h(key.sec(use_uncompressed=True)), " uncompressed")
ui_context = network.ui
network_name = network.network_name
hash160_c = key.hash160(use_uncompressed=False)
hash160_u = key.hash160(use_uncompressed=True)
hash160 = None
if hash160_c is None and hash160_u is None:
hash160 = key.hash160()
yield ("hash160", b2h(hash160 or hash160_c), None)
if hash160_c and hash160_u:
yield ("hash160_uncompressed", b2h(hash160_u), " uncompressed")
address = ui_context.address_for_p2pkh(hash160 or hash160_c)
yield ("address", address, "%s address" % network_name)
yield ("%s_address" % network.symbol, address, "legacy")
if hash160_c and hash160_u:
address = key.address(use_uncompressed=True)
yield ("address_uncompressed", address,
"%s address uncompressed" % network_name)
yield ("%s_address_uncompressed" % network.symbol, address,
"legacy")
# don't print segwit addresses unless we're sure we have a compressed key
if hash160_c and hasattr(network, "ui") and getattr(
network.ui, "_bech32_hrp"):
address_segwit = network.ui.address_for_p2pkh_wit(hash160_c)
if address_segwit:
# this network seems to support segwit
yield ("address_segwit", address_segwit,
"%s segwit address" % network_name)
yield ("%s_address_segwit" % network.symbol, address_segwit,
"legacy")
p2sh_script = network.script_info.script_for_p2pkh_wit(
hash160_c)
p2s_address = network.ui.address_for_p2s(p2sh_script)
if p2s_address:
yield ("p2sh_segwit", p2s_address, None)
p2sh_script_hex = b2h(p2sh_script)
yield ("p2sh_segwit_script", p2sh_script_hex,
" corresponding p2sh script")
def determine_constraints(self, tx_in_idx, p2sh_lookup={}):
tx_context = self.solution_checker.tx_context_for_idx(tx_in_idx)
tx_context.witness_solution_stack = DynamicStack(
[Atom("w_%d" % (1 - _)) for _ in range(2)], fill_template="w_%d")
script_hash = self.solution_checker.script_hash_from_script(
tx_context.puzzle_script)
witness_version = self.solution_checker._witness_program_version(
tx_context.puzzle_script)
tx_context.solution_script = b''
solution_reserve_count = 0
fill_template = "x_%d"
if script_hash:
underlying_script = p2sh_lookup.get(script_hash, None)
if underlying_script is None:
raise ValueError(
"p2sh_lookup not set or does not have script hash for %s" %
b2h(script_hash))
tx_context.solution_script = self.ScriptTools.compile_push_data_list(
[underlying_script])
solution_reserve_count = 1
witness_version = self.solution_checker._witness_program_version(
underlying_script)
if witness_version == 0:
witness_program = (underlying_script if script_hash else
tx_context.puzzle_script)[2:]
if len(witness_program) == 32:
underlying_script_wit = p2sh_lookup.get(witness_program, None)
if underlying_script_wit is None:
raise ValueError(
"p2sh_lookup not set or does not have script hash for %s"
% b2h(witness_program))
fill_template = "w_%d"
solution_reserve_count = 1
tx_context.witness_solution_stack = [underlying_script_wit]
constraints = []
def reset_stack_f(stack):
return DynamicStack(stack, solution_reserve_count, fill_template)
try:
traceback_f = make_traceback_f(constraints,
self.ScriptTools.int_for_opcode,
reset_stack_f)
self.solution_checker.check_solution(tx_context,
traceback_f=traceback_f)
except ScriptError:
pass
if script_hash:
constraints.append(
Operator('EQUAL', Atom("x_0"), underlying_script))
if witness_version == 0:
if len(witness_program) == 32:
constraints.append(
Operator('EQUAL', Atom("w_0"), underlying_script_wit))
return constraints
def __repr__(self):
r = self.public_copy()
if r._network:
s = r.as_text()
elif r.sec():
s = b2h(r.sec())
else:
s = b2h(r.hash160())
if self.is_private():
return "private_for <%s>" % s
return "<%s>" % s
def __repr__(self):
r = self.public_copy()
if r._ui_context:
s = r.as_text()
elif r.sec():
s = b2h(r.sec())
else:
s = b2h(r.hash160())
if self.is_private():
return "private_for <%s>" % s
return "<%s>" % s
def test_bip143_tx_1(self):
tx_u1, tx_s1 = self.check_bip143_tx(
"0100000002fff7f7881a8099afa6940d42d1e7f6362bec38171ea3edf433541db4e4ad"
"969f0000000000eeffffffef51e1b804cc89d182d279655c3aa89e815b1b309fe287d9"
"b2b55d57b90ec68a0100000000ffffffff02202cb206000000001976a9148280b37df3"
"78db99f66f85c95a783a76ac7a6d5988ac9093510d000000001976a9143bde42dbee7e"
"4dbe6a21b2d50ce2f0167faa815988ac11000000",
"01000000000102fff7f7881a8099afa6940d42d1e7f6362bec38171ea3edf433541db4"
"e4ad969f00000000494830450221008b9d1dc26ba6a9cb62127b02742fa9d754cd3beb"
"f337f7a55d114c8e5cdd30be022040529b194ba3f9281a99f2b1c0a19c0489bc22ede9"
"44ccf4ecbab4cc618ef3ed01eeffffffef51e1b804cc89d182d279655c3aa89e815b1b"
"309fe287d9b2b55d57b90ec68a0100000000ffffffff02202cb206000000001976a914"
"8280b37df378db99f66f85c95a783a76ac7a6d5988ac9093510d000000001976a9143b"
"de42dbee7e4dbe6a21b2d50ce2f0167faa815988ac000247304402203609e17b84f6a7"
"d30c80bfa610b5b4542f32a8a0d5447a12fb1366d7f01cc44a0220573a954c45183315"
"61406f90300e8f3358f51928d43c212a8caed02de67eebee0121025476c2e83188368d"
"a1ff3e292e7acafcdb3566bb0ad253f62fc70f07aeee635711000000",
[(6.25,
"2103c9f4836b9a4f77fc0d81f7bcb01b7f1b35916864b9476c241ce9fc198bd25432ac"
),
(6, "00141d0f172a0ecb48aee1be1f2687d2963ae33f71a1")], 2, 2, 1, 17)
sc = tx_s1.SolutionChecker(tx_s1)
self.assertEqual(
b2h(sc._hash_prevouts(SIGHASH_ALL)),
"96b827c8483d4e9b96712b6713a7b68d6e8003a781feba36c31143470b4efd37")
self.assertEqual(
b2h(sc._hash_sequence(SIGHASH_ALL)),
"52b0a642eea2fb7ae638c36f6252b6750293dbe574a806984b8e4d8548339a3b")
self.assertEqual(
b2h(sc._hash_outputs(SIGHASH_ALL, 0)),
"863ef3e1a92afbfdb97f31ad0fc7683ee943e9abcf2501590ff8f6551f47e5e5")
script = BitcoinMainnet.ui._script_info.script_for_p2pkh(
tx_s1.unspents[1].script[2:])
self.assertEqual(
b2h(
sc._segwit_signature_preimage(script=script,
tx_in_idx=1,
hash_type=SIGHASH_ALL)),
"0100000096b827c8483d4e9b96712b6713a7b68d6e8003a781feba36c31143470b4efd"
"3752b0a642eea2fb7ae638c36f6252b6750293dbe574a806984b8e4d8548339a3bef51"
"e1b804cc89d182d279655c3aa89e815b1b309fe287d9b2b55d57b90ec68a0100000019"
"76a9141d0f172a0ecb48aee1be1f2687d2963ae33f71a188ac0046c32300000000ffff"
"ffff863ef3e1a92afbfdb97f31ad0fc7683ee943e9abcf2501590ff8f6551f47e5e511"
"00000001000000")
self.assertEqual(
b2h(to_bytes_32(sc._signature_for_hash_type_segwit(script, 1, 1))),
"c37af31116d1b27caf68aae9e3ac82f1477929014d5b917657d0eb49478cb670")
self.check_tx_can_be_signed(tx_u1, tx_s1, [
0xbbc27228ddcb9209d7fd6f36b02f7dfa6252af40bb2f1cbc7a557da8027ff866,
0x619c335025c7f4012e556c2a58b2506e30b8511b53ade95ea316fd8c3286feb9
])
def create_public_pair_output(key, add_output):
public_pair = key.public_pair()
if public_pair:
add_output("public_pair_x", '%d' % public_pair[0])
add_output("public_pair_y", '%d' % public_pair[1])
add_output("public_pair_x_hex", '%x' % public_pair[0], " x as hex")
add_output("public_pair_y_hex", '%x' % public_pair[1], " y as hex")
add_output("y_parity", "odd" if (public_pair[1] & 1) else "even")
add_output("key_pair_as_sec", b2h(key.sec(use_uncompressed=False)))
add_output("key_pair_as_sec_uncompressed",
b2h(key.sec(use_uncompressed=True)), " uncompressed")
def test_bip143_tx_1(self):
tx_u1, tx_s1 = self.check_bip143_tx(
"0100000002fff7f7881a8099afa6940d42d1e7f6362bec38171ea3edf433541db4e4ad"
"969f0000000000eeffffffef51e1b804cc89d182d279655c3aa89e815b1b309fe287d9"
"b2b55d57b90ec68a0100000000ffffffff02202cb206000000001976a9148280b37df3"
"78db99f66f85c95a783a76ac7a6d5988ac9093510d000000001976a9143bde42dbee7e"
"4dbe6a21b2d50ce2f0167faa815988ac11000000",
"01000000000102fff7f7881a8099afa6940d42d1e7f6362bec38171ea3edf433541db4"
"e4ad969f00000000494830450221008b9d1dc26ba6a9cb62127b02742fa9d754cd3beb"
"f337f7a55d114c8e5cdd30be022040529b194ba3f9281a99f2b1c0a19c0489bc22ede9"
"44ccf4ecbab4cc618ef3ed01eeffffffef51e1b804cc89d182d279655c3aa89e815b1b"
"309fe287d9b2b55d57b90ec68a0100000000ffffffff02202cb206000000001976a914"
"8280b37df378db99f66f85c95a783a76ac7a6d5988ac9093510d000000001976a9143b"
"de42dbee7e4dbe6a21b2d50ce2f0167faa815988ac000247304402203609e17b84f6a7"
"d30c80bfa610b5b4542f32a8a0d5447a12fb1366d7f01cc44a0220573a954c45183315"
"61406f90300e8f3358f51928d43c212a8caed02de67eebee0121025476c2e83188368d"
"a1ff3e292e7acafcdb3566bb0ad253f62fc70f07aeee635711000000",
[
(6.25, "2103c9f4836b9a4f77fc0d81f7bcb01b7f1b35916864b9476c241ce9fc198bd25432ac"),
(6, "00141d0f172a0ecb48aee1be1f2687d2963ae33f71a1")
],
2,
2,
1,
17
)
sc = tx_s1.SolutionChecker(tx_s1)
self.assertEqual(b2h(sc._hash_prevouts(SIGHASH_ALL)),
"96b827c8483d4e9b96712b6713a7b68d6e8003a781feba36c31143470b4efd37")
self.assertEqual(b2h(sc._hash_sequence(SIGHASH_ALL)),
"52b0a642eea2fb7ae638c36f6252b6750293dbe574a806984b8e4d8548339a3b")
self.assertEqual(b2h(sc._hash_outputs(SIGHASH_ALL, 0)),
"863ef3e1a92afbfdb97f31ad0fc7683ee943e9abcf2501590ff8f6551f47e5e5")
script = BitcoinMainnet.ui._script_info.script_for_p2pkh(tx_s1.unspents[1].script[2:])
self.assertEqual(
b2h(sc._segwit_signature_preimage(script=script, tx_in_idx=1, hash_type=SIGHASH_ALL)),
"0100000096b827c8483d4e9b96712b6713a7b68d6e8003a781feba36c31143470b4efd"
"3752b0a642eea2fb7ae638c36f6252b6750293dbe574a806984b8e4d8548339a3bef51"
"e1b804cc89d182d279655c3aa89e815b1b309fe287d9b2b55d57b90ec68a0100000019"
"76a9141d0f172a0ecb48aee1be1f2687d2963ae33f71a188ac0046c32300000000ffff"
"ffff863ef3e1a92afbfdb97f31ad0fc7683ee943e9abcf2501590ff8f6551f47e5e511"
"00000001000000")
self.assertEqual(b2h(to_bytes_32(sc._signature_for_hash_type_segwit(script, 1, 1))),
"c37af31116d1b27caf68aae9e3ac82f1477929014d5b917657d0eb49478cb670")
self.check_tx_can_be_signed(tx_u1, tx_s1, [
0xbbc27228ddcb9209d7fd6f36b02f7dfa6252af40bb2f1cbc7a557da8027ff866,
0x619c335025c7f4012e556c2a58b2506e30b8511b53ade95ea316fd8c3286feb9
])
def ku_output_for_public_pair(self):
if self._public_pair:
yield ("public_pair_x", '%d' % self._public_pair[0], None)
yield ("public_pair_y", '%d' % self._public_pair[1], None)
yield ("public_pair_x_hex", '%x' % self._public_pair[0],
" x as hex")
yield ("public_pair_y_hex", '%x' % self._public_pair[1],
" y as hex")
yield ("y_parity", "odd" if
(self._public_pair[1] & 1) else "even", None)
yield ("key_pair_as_sec", b2h(self.sec(is_compressed=True)), None)
yield ("key_pair_as_sec_uncompressed",
b2h(self.sec(is_compressed=False)), " uncompressed")
def info_for_arg(arg, network):
d = {}
compiled_script = network.script.compile(arg)
d["compiled_script_hex"] = "0x%s" % b2h(compiled_script)
address_p2s = network.address.for_p2s(compiled_script)
d["address_p2s"] = address_p2s
d["preimage_p2s_hex"] = b2h(network.contract.for_address(address_p2s))
address_p2s_wit = network.address.for_p2s_wit(compiled_script)
d["address_p2s_wit"] = address_p2s_wit
d["underlying_script"] = b2h(network.contract.for_address(address_p2s_wit))
d["disassembled_script"] = network.script.disassemble(compiled_script)
return d
def test_h2b(self):
h = "000102"
b = b"\x00\x01\x02"
self.assertEqual(h2b(h), b)
self.assertEqual(b2h(b), h)
self.assertEqual(h2b_rev(h), b[::-1])
self.assertEqual(b2h_rev(b), "020100")
def test_p2multisig_wit(self):
keys = [Key(i, generator=secp256k1_generator) for i in (1, 2, 3)]
secs = [k.sec() for k in keys]
underlying_script = script_for_multisig(2, secs)
p2sh_script = BitcoinScriptTools.compile("OP_0 [%s]" % b2h(hashlib.sha256(underlying_script).digest()))
script = script_for_address(address_for_p2s(p2sh_script))
self.do_test_tx(script, p2sh_lookup=build_p2sh_lookup([underlying_script, p2sh_script]))
def pubkey_from_seed(cls, seed):
print("seed", b2h(seed))
root_key = root_key_from_seed(seed[:16])
pubkey = fmt_hex(
ecc_point_to_bytes_compressed(root_key.privkey.public_key.point,
pad=True))
return pubkey
def test_h2b(self):
h = "000102"
b = b"\x00\x01\x02"
self.assertEqual(h2b(h), b)
self.assertEqual(b2h(b), h)
self.assertEqual(h2b_rev(h), b[::-1])
self.assertEqual(b2h_rev(b), "020100")
def test_sign_verify_mutual_compatability(self):
if libsecp256k1 is None:
raise unittest.SkipTest("no libsecp256k1")
ctx = libsecp256k1.ctx
signature = create_string_buffer(64)
sighash = to_bytes_32(1000)
secret_key = to_bytes_32(100)
public_key = create_string_buffer(64)
r = libsecp256k1.secp256k1_ec_pubkey_create(ctx, public_key,
secret_key)
self.assertEqual(r, 1)
self.assertEqual(
b2h(public_key),
'880f50f7ceb4210289266a40b306e33ef52bb75f834c172e65175e3ce2ac3bed'
'6e2835e3d57ae1fcd0954808be17bd97bf871f7a8a5edadcffcc8812576f7ae5')
r = libsecp256k1.secp256k1_ecdsa_sign(ctx, signature, sighash,
secret_key, None, None)
self.assertEqual(r, 1)
r = libsecp256k1.secp256k1_ecdsa_verify(ctx, signature, sighash,
public_key)
self.assertEqual(r, 1)
signature1 = signature[:-1] + int2byte(byte2int(signature[-1]) ^ 1)
r = libsecp256k1.secp256k1_ecdsa_verify(ctx, signature1, sighash,
public_key)
self.assertEqual(r, 0)
def test_sign_verify_mutual_compatability(self):
if libsecp256k1 is None:
raise unittest.SkipTest("no libsecp256k1")
ctx = libsecp256k1.ctx
signature = create_string_buffer(64)
sighash = to_bytes_32(1000)
secret_key = to_bytes_32(100)
public_key = create_string_buffer(64)
r = libsecp256k1.secp256k1_ec_pubkey_create(ctx, public_key, secret_key)
self.assertEqual(r, 1)
self.assertEqual(
b2h(public_key),
'880f50f7ceb4210289266a40b306e33ef52bb75f834c172e65175e3ce2ac3bed'
'6e2835e3d57ae1fcd0954808be17bd97bf871f7a8a5edadcffcc8812576f7ae5'
)
r = libsecp256k1.secp256k1_ecdsa_sign(ctx, signature, sighash, secret_key, None, None)
self.assertEqual(r, 1)
r = libsecp256k1.secp256k1_ecdsa_verify(ctx, signature, sighash, public_key)
self.assertEqual(r, 1)
signature1 = signature[:-1] + int2byte(byte2int(signature[-1]) ^ 1)
r = libsecp256k1.secp256k1_ecdsa_verify(ctx, signature1, sighash, public_key)
self.assertEqual(r, 0)
def test_sign(self):
if libsecp256k1 is None:
raise unittest.SkipTest("no libsecp256k1")
ctx = libsecp256k1.ctx
sighash = to_bytes_32(1000)
secret_key = to_bytes_32(100)
public_key = create_string_buffer(64)
r = libsecp256k1.secp256k1_ec_pubkey_create(ctx, public_key, secret_key)
self.assertEqual(r, 1)
self.assertEqual(
b2h(public_key),
'880f50f7ceb4210289266a40b306e33ef52bb75f834c172e65175e3ce2ac3bed'
'6e2835e3d57ae1fcd0954808be17bd97bf871f7a8a5edadcffcc8812576f7ae5'
)
signature = create_string_buffer(64)
r = libsecp256k1.secp256k1_ecdsa_sign(ctx, signature, sighash, secret_key, None, None)
self.assertEqual(r, 1)
compact_signature = create_string_buffer(64)
libsecp256k1.secp256k1_ecdsa_signature_serialize_compact(ctx, compact_signature, signature)
r = from_bytes_32(compact_signature[:32])
s = from_bytes_32(compact_signature[32:])
signature = (r, s)
pubkey_size = c_size_t(65)
pubkey_serialized = create_string_buffer(65)
libsecp256k1.secp256k1_ec_pubkey_serialize(
ctx, pubkey_serialized, byref(pubkey_size), public_key, SECP256K1_EC_UNCOMPRESSED)
x = from_bytes_32(pubkey_serialized[1:33])
y = from_bytes_32(pubkey_serialized[33:])
legacy_secp256k1_group.verify((x, y), 1000, signature)
def create_hash160_output(key, network, add_output, output_dict):
ui_context = network.ui
network_name = network.network_name
hash160_c = key.hash160(use_uncompressed=False)
hash160_u = key.hash160(use_uncompressed=True)
hash160 = None
if hash160_c is None and hash160_u is None:
hash160 = key.hash160()
add_output("hash160", b2h(hash160 or hash160_c))
if hash160_c and hash160_u:
add_output("hash160_uncompressed", b2h(hash160_u), " uncompressed")
address = ui_context.address_for_p2pkh(hash160 or hash160_c)
add_output("address", address, "%s address" % network_name)
add_output("%s_address" % network.code, address, is_legacy_key=True)
if hash160_c and hash160_u:
address = key.address(use_uncompressed=True)
add_output("address_uncompressed", address,
"%s address uncompressed" % network_name)
add_output("%s_address_uncompressed" % network.code,
address,
is_legacy_key=True)
# don't print segwit addresses unless we're sure we have a compressed key
if hash160_c and hasattr(network, "ui") and getattr(
network.ui, "_bech32_hrp"):
address_segwit = network.ui.address_for_p2pkh_wit(hash160_c)
if address_segwit:
# this network seems to support segwit
add_output("address_segwit", address_segwit,
"%s segwit address" % network_name)
add_output("%s_address_segwit" % network.code,
address_segwit,
is_legacy_key=True)
p2sh_script = network.ui._script_info.script_for_p2pkh_wit(
hash160_c)
p2s_address = network.ui.address_for_p2s(p2sh_script)
if p2s_address:
add_output("p2sh_segwit", p2s_address)
p2sh_script_hex = b2h(p2sh_script)
add_output("p2sh_segwit_script", p2sh_script_hex,
" corresponding p2sh script")
def dump_secs_hex(tx, network):
sec_key_list = []
for _, tx_in in enumerate(tx.txs_in):
sec_key_list.extend(network.who_signed.extract_secs(tx, _))
if len(sec_key_list):
print("SECS")
for sec in sec_key_list:
print(b2h(sec))
def test_p2sh_wit(self):
keys = [Key(i) for i in (1, 2, 3)]
secs = [k.sec() for k in keys]
underlying_script = script_for_multisig(2, secs)
script = network.script_tools.compile(
"OP_0 [%s]" % b2h(hashlib.sha256(underlying_script).digest()))
self.do_test_tx(script,
p2sh_lookup=build_p2sh_lookup([underlying_script]))
def save_spendable(self, spendable):
tx_hash = b2h_rev(spendable.tx_hash)
script = b2h(spendable.script)
self._exec_sql(
"insert or replace into Spendable values (?, ?, ?, ?, ?, ?, ?)",
tx_hash, spendable.tx_out_index, spendable.coin_value, script,
spendable.block_index_available, spendable.does_seem_spent,
spendable.block_index_spent)
def as_hex(self, *args, **kwargs):
"""Returns a text string containing the streamed transaction encoded as hex.
For information about the parameters, see :func:`Tx.stream <stream>`
:return: hex string that would parse to the given transaction
"""
return b2h(self.as_bin(*args, **kwargs))
def dump_signatures_hex(tx, network):
sigs = []
for _, tx_in in enumerate(tx.txs_in):
sigs.extend(network.who_signed.extract_signatures(tx, _))
if len(sigs):
print("SIGNATURES")
for sig in sigs:
print(b2h(sig[0]))
def coinc(args, parser):
network = network_for_netcode(args.network)
script_tools = network.extras.ScriptTools
for arg in args.argument:
compiled_script = script_tools.compile(arg)
print(b2h(compiled_script))
address_p2s = network.ui.address_for_p2s(compiled_script)
print(address_p2s)
print(b2h(network.ui.script_for_address(address_p2s)))
address_p2s_wit = network.ui.address_for_p2s_wit(compiled_script)
print(address_p2s_wit)
print(b2h(network.ui.script_for_address(address_p2s_wit)))
print(script_tools.disassemble(compiled_script))
def coinbase_tx(cls, public_key_sec, coin_value, coinbase_bytes=b'', version=1, lock_time=0):
"""Create the special "first in block" transaction that includes the mining fees."""
tx_in = cls.TxIn.coinbase_tx_in(script=coinbase_bytes)
COINBASE_SCRIPT_OUT = "%s OP_CHECKSIG"
script_text = COINBASE_SCRIPT_OUT % b2h(public_key_sec)
script_bin = BitcoinScriptTools.compile(script_text)
tx_out = cls.TxOut(coin_value, script_bin)
return cls(version, [tx_in], [tx_out], lock_time)
def b58(args, parser):
for arg in args.input:
blob, is_hex_input = parse_arg(arg, args.b)
if is_hex_input:
print(b2h(blob))
print(b2a_base58(blob))
print(b2a_hashed_base58(blob))
else:
print(b2h(blob))
print(b2a_base58(blob))
try:
blob = a2b_hashed_base58(arg)
print("valid hashed b58")
print("contents: ", b2h(blob))
except Exception:
print("not hashed b58")
def dump_secs_hex(tx, network):
sec_key_list = []
for _, tx_in in enumerate(tx.txs_in):
sec_key_list.extend(network.extras.extract_secs(tx, _))
if len(sec_key_list):
print("SECS")
for sec in sec_key_list:
print(b2h(sec))
def dump_signatures_hex(tx, network):
sigs = []
for _, tx_in in enumerate(tx.txs_in):
sigs.extend(network.extras.extract_signatures(tx, _))
if len(sigs):
print("SIGNATURES")
for sig in sigs:
print(b2h(sig[0]))
def b58(args, parser):
for arg in args.input:
blob, is_hex_input = parse_arg(arg, args.b)
if is_hex_input:
print(b2h(blob))
print(b2a_base58(blob))
print(b2a_hashed_base58(blob))
else:
print(b2h(blob))
print(b2a_base58(blob))
try:
blob = a2b_hashed_base58(arg)
print("valid hashed b58")
print("contents: ", b2h(blob))
except Exception:
print("not hashed b58")
def solve_old(self, hash160_lookup, tx_in_idx, hash_type=None, **kwargs):
"""
Sign a standard transaction.
hash160_lookup:
An object with a get method that accepts a hash160 and returns the
corresponding (secret exponent, public_pair, is_compressed) tuple or
None if it's unknown (in which case the script will obviously not be signed).
A standard dictionary will do nicely here.
tx_in_idx:
the index of the tx_in we are currently signing
"""
from ...tx.pay_to import script_obj_from_script, ScriptPayToScript
tx_out_script = self.tx.unspents[tx_in_idx].script
if hash_type is None:
hash_type = SIGHASH_ALL
tx_in = self.tx.txs_in[tx_in_idx]
is_p2h = self.solution_checker.is_pay_to_script_hash(tx_out_script)
if is_p2h:
hash160 = ScriptPayToScript.from_script(tx_out_script).hash160
p2sh_lookup = kwargs.get("p2sh_lookup")
if p2sh_lookup is None:
raise ValueError("p2sh_lookup not set")
if hash160 not in p2sh_lookup:
raise ValueError("hash160=%s not found in p2sh_lookup" %
b2h(hash160))
script_to_hash = p2sh_lookup[hash160]
else:
script_to_hash = tx_out_script
# Leave out the signature from the hash, since a signature can't sign itself.
# The checksig op will also drop the signatures from its hash.
def signature_for_hash_type_f(hash_type, script):
return self.solution_checker.signature_hash(
script, tx_in_idx, hash_type)
def witness_signature_for_hash_type(hash_type, script):
return self.solution_checker.signature_for_hash_type_segwit(
script, tx_in_idx, hash_type)
witness_signature_for_hash_type.skip_delete = True
signature_for_hash_type_f.witness = witness_signature_for_hash_type
the_script = script_obj_from_script(tx_out_script)
kwargs[
"generator_for_signature_type_f"] = self.SolutionChecker.VM.generator_for_signature_type
solution = the_script.solve(
hash160_lookup=hash160_lookup,
signature_type=hash_type,
existing_script=self.tx.txs_in[tx_in_idx].script,
existing_witness=tx_in.witness,
script_to_hash=script_to_hash,
signature_for_hash_type_f=signature_for_hash_type_f,
**kwargs)
return solution
def as_dict(self):
# for use with JSON
return dict(coin_value=self.coin_value,
script_hex=b2h(self.script),
tx_hash_hex=b2h_rev(self.tx_hash),
tx_out_index=self.tx_out_index,
block_index_available=self.block_index_available,
does_seem_spent=int(self.does_seem_spent),
block_index_spent=self.block_index_spent)
def test_p2sh_wit(self):
keys = [network.keys.private(i) for i in (1, 2, 3)]
secs = [k.sec() for k in keys]
underlying_script = network.contract.for_multisig(2, secs)
script = network.script.compile(
"OP_0 [%s]" % b2h(hashlib.sha256(underlying_script).digest()))
self.do_test_tx(script,
p2sh_lookup=network.tx.solve.build_p2sh_lookup(
[underlying_script]))
def test_p2multisig_wit(self):
keys = [Key(i, generator=secp256k1_generator) for i in (1, 2, 3)]
secs = [k.sec() for k in keys]
underlying_script = script_for_multisig(2, secs)
p2sh_script = BitcoinScriptTools.compile(
"OP_0 [%s]" % b2h(hashlib.sha256(underlying_script).digest()))
script = script_for_address(address_for_p2s(p2sh_script))
self.do_test_tx(script,
p2sh_lookup=build_p2sh_lookup(
[underlying_script, p2sh_script]))
def as_text(self):
return "/".join([
b2h_rev(self.tx_hash),
str(self.tx_out_index),
b2h(self.script),
str(self.coin_value),
str(self.block_index_available),
"%d" % self.does_seem_spent,
str(self.block_index_spent)
])
def check_balance(private_key):
address = b2h(ethereum.utils.privtoaddr(private_key))
print("address: 0x%s" % address)
checksum_address = w3.toChecksumAddress(address)
balance = w3.fromWei(w3.eth.getBalance(checksum_address), 'ether')
return balance
def electrum_seed(self, s):
"""
Parse an electrum key from a text string in seed form ("E:xxx" where xxx
is a 32-character hex string).
Return a :class:`ElectrumWallet <pycoin.key.electrum.ElectrumWallet>` or None.
"""
blob = self._electrum_to_blob(s)
if blob and len(blob) == 16:
blob = b2h(blob)
return self._network.keys.electrum_seed(seed=blob)
def electrum_seed(self, s):
"""
Parse an electrum key from a text string in seed form ("E:xxx" where xxx
is a 32-character hex string).
Return a :class:`ElectrumWallet <pycoin.key.electrum.ElectrumWallet>` or None.
"""
blob = self._electrum_to_blob(s)
if blob and len(blob) == 16:
blob = b2h(blob)
return self._network.keys.electrum_seed(seed=blob)
def output(self):
"""
Return a 20-byte hash corresponding to this script (or None if not applicable).
"""
hash160 = self._script_info.get("hash160", None)
if hash160:
yield ("hash160", b2h(hash160), None)
address = self.address()
yield ("address", address, "%s address" % self._network.network_name)
yield ("%s_address" % self._network.symbol, address, "legacy")
def as_dict(self):
# for use with JSON
return dict(
coin_value=self.coin_value,
script_hex=b2h(self.script),
tx_hash_hex=b2h_rev(self.tx_hash),
tx_out_index=self.tx_out_index,
block_index_available=self.block_index_available,
does_seem_spent=int(self.does_seem_spent),
block_index_spent=self.block_index_spent
)
def ku_output(self):
"""
Return a 20-byte hash corresponding to this script (or None if not applicable).
"""
hash160 = self._script_info.get("hash160", None)
if hash160:
yield ("hash160", b2h(hash160), None)
address = self.address()
yield ("address", address, "%s address" % self._network.network_name)
yield ("%s_address" % self._network.symbol, address, "legacy")
def f(solved_values, **kwargs):
the_hash = m["the_hash"]
db = kwargs.get("hash160_lookup", {})
result = db.get(the_hash)
if result is None:
result = kwargs.get("sec_hints", {}).get(the_hash)
if result:
return {m["1"]: result}
if result is None:
raise SolvingError("can't find public pair for %s" % b2h(the_hash))
sec = public_pair_to_sec(result[1], compressed=result[2])
return {m["1"]: sec}
def f(solved_values, **kwargs):
the_hash = m["the_hash"]
db = kwargs.get("hash160_lookup", {})
result = db.get(the_hash)
if result is None:
result = kwargs.get("sec_hints", {}).get(the_hash)
if result:
return {m["1"]: result}
if result is None:
raise SolvingError("can't find public pair for %s" % b2h(the_hash))
sec = public_pair_to_sec(result[1], compressed=result[2])
return {m["1"]: sec}
def trace_script(opcode, data, pc, vmc):
output.append("stack: [%s]" % ' '.join(b2h(s) for s in vmc.stack))
if len(vmc.altstack) > 0:
output.append("altstack: %s" % vmc.altstack)
output.append("condition stack: %s" % vmc.conditional_stack)
output.append("%3d : %02x %s" % (vmc.pc, opcode, BitcoinScriptTools.disassemble_for_opcode_data(opcode, data)))
if use_pdb:
for line in output:
print(line)
output[:] = []
import pdb
pdb.set_trace()
def test_blanked_hash(self):
tx = Tx.from_hex(
TX_E1A18B843FC420734DEEB68FF6DF041A2585E1A0D7DBF3B82AAB98291A6D9952_HEX
)
self.assertEqual(
tx.id(),
"e1a18b843fc420734deeb68ff6df041a2585e1a0d7dbf3b82aab98291a6d9952")
self.assertEqual(
b2h(tx.blanked_hash()),
"909579526c4c2c441687c7478d3f96249724d2ff071d2272b44500d6cf70d5d6")
tx.txs_in[0].script = b"foo"
self.assertEqual(
b2h(tx.blanked_hash()),
"909579526c4c2c441687c7478d3f96249724d2ff071d2272b44500d6cf70d5d6")
tx.txs_out[0].coin_value += 1
self.assertEqual(
b2h(tx.blanked_hash()),
"10d4e87f7bf35f2949e7693e7a4a84189aad8631f0b2b0999e88f7261066cbe5")
tx.txs_in[0].script = b"bar"
self.assertEqual(
b2h(tx.blanked_hash()),
"10d4e87f7bf35f2949e7693e7a4a84189aad8631f0b2b0999e88f7261066cbe5")
tx.txs_in[0].script = b""
self.assertEqual(
b2h(tx.hash()),
"10d4e87f7bf35f2949e7693e7a4a84189aad8631f0b2b0999e88f7261066cbe5")
tx.txs_in[0].script = b"foo"
self.assertEqual(
b2h(tx.hash()),
"c91910058722f1c0f52fc5c734939053c9b87882a9c72b609f21632e0bd13751")
def send_tx(self, tx):
s = io.BytesIO()
tx.stream(s)
tx_as_hex = b2h(s.getvalue())
data = urlencode(dict(rawtx=tx_as_hex)).encode("utf8")
URL = "%s/tx/send" % self.base_url
try:
d = urlopen(URL, data=data).read()
return d
except request.HTTPError as err:
if err.code == 400:
raise ValueError(err.readline())
raise err
def broadcast_tx(self, tx):
s = io.BytesIO()
tx.stream(s)
tx_as_hex = b2h(s.getvalue())
data = urlencode(dict(tx=tx_as_hex)).encode("utf8")
URL = self.api_domain + "/pushtx"
try:
d = urlopen(URL, data=data).read()
return d
except request.HTTPError as ex:
try:
d = ex.read()
ex.message = d
except Exception:
pass
raise ex
def test_blanked_hash(self):
tx = Tx.from_hex(TX_E1A18B843FC420734DEEB68FF6DF041A2585E1A0D7DBF3B82AAB98291A6D9952_HEX)
self.assertEqual(tx.id(), "e1a18b843fc420734deeb68ff6df041a2585e1a0d7dbf3b82aab98291a6d9952")
self.assertEqual(
b2h(tx.blanked_hash()), "909579526c4c2c441687c7478d3f96249724d2ff071d2272b44500d6cf70d5d6")
tx.txs_in[0].script = b"foo"
self.assertEqual(
b2h(tx.blanked_hash()), "909579526c4c2c441687c7478d3f96249724d2ff071d2272b44500d6cf70d5d6")
tx.txs_out[0].coin_value += 1
self.assertEqual(
b2h(tx.blanked_hash()), "10d4e87f7bf35f2949e7693e7a4a84189aad8631f0b2b0999e88f7261066cbe5")
tx.txs_in[0].script = b"bar"
self.assertEqual(
b2h(tx.blanked_hash()), "10d4e87f7bf35f2949e7693e7a4a84189aad8631f0b2b0999e88f7261066cbe5")
tx.txs_in[0].script = b""
self.assertEqual(b2h(tx.hash()), "10d4e87f7bf35f2949e7693e7a4a84189aad8631f0b2b0999e88f7261066cbe5")
tx.txs_in[0].script = b"foo"
self.assertEqual(b2h(tx.hash()), "c91910058722f1c0f52fc5c734939053c9b87882a9c72b609f21632e0bd13751")
def address_for_script_info(self, script_info):
type = script_info.get("type")
if type == "p2pkh":
return self.address_for_p2pkh(script_info["hash160"])
if type == "p2pkh_wit":
return self.address_for_p2pkh_wit(script_info["hash160"])
if type == "p2sh_wit":
return self.address_for_p2sh_wit(script_info["hash256"])
if type == "p2pk":
h160 = hash160(script_info["sec"])
# BRAIN DAMAGE: this isn't really a p2pkh
return self.address_for_p2pkh(h160)
if type == "p2sh":
return self.address_for_p2sh(script_info["hash160"])
if type == "nulldata":
return "(nulldata %s)" % b2h(script_info["data"])
return "???"
def main():
if len(sys.argv) != 2:
print("usage: %s bip32_key_file" % sys.argv[0])
sys.exit(-1)
with open(sys.argv[1], "r") as f:
hwif = f.readline().strip()
# turn the bip32 text into a BIP32Node object
BIP32_KEY = BIP32Node.from_hwif(hwif)
# create three sec_keys (these are public keys, streamed using the SEC format)
SEC_0 = BIP32_KEY.subkey_for_path("0/0/0").sec()
SEC_1 = BIP32_KEY.subkey_for_path("0/1/0").sec()
SEC_2 = BIP32_KEY.subkey_for_path("0/2/0").sec()
public_key_sec_list = [SEC_0, SEC_1, SEC_2]
# create the 2-of-3 multisig script
# any 2 signatures can release the funds
pay_to_multisig_script = script_for_multisig(2, public_key_sec_list)
# create a "2-of-3" multisig address_for_multisig
the_address = address_for_p2s(pay_to_multisig_script)
print("Here is your pay 2-of-3 address: %s" % the_address)
print("Here is the pay 2-of-3 script: %s" % b2h(pay_to_multisig_script))
print("The hex script should go into p2sh_lookup.hex")
base_dir = os.path.dirname(sys.argv[1])
print("The three WIFs are written into %s as wif0, wif1 and wif2" % base_dir)
for i in range(3):
wif = BIP32_KEY.subkey_for_path("0/%d/0" % i).wif()
with open(os.path.join(base_dir, "wif%d" % i), "w") as f:
f.write(wif)
def script_for_nulldata_push(self, data):
# BRAIN DAMAGE
return self._scriptTools.compile("OP_RETURN [%s]" % b2h(data))
def test_p2pkh_wit(self):
key = Key(1, generator=secp256k1_generator)
script = BitcoinScriptTools.compile("OP_0 [%s]" % b2h(key.hash160()))
self.do_test_tx(script)
def instruction_for_opcode(self, opcode, data):
if data is None or len(data) == 0:
return self._script_tools.disassemble_for_opcode_data(opcode, data)
return "[PUSH_%d] %s" % (opcode, b2h(data))
def unspent_to_bitcoind_dict(tx_in, tx_out):
return dict(
txid=b2h_rev(tx_in.previous_hash),
vout=tx_in.previous_index,
scriptPubKey=b2h(tx_out.script)
)
def secret_exponent(self):
if self._secret_exponent is None and self._initial_key:
self._secret_exponent = initial_key_to_master_key(b2h(self._initial_key))
return self._secret_exponent
def __repr__(self):
return "Electrum<E:%s>" % b2h(self.master_public_key())
def as_text(self):
return "/".join([b2h_rev(self.tx_hash), str(self.tx_out_index), b2h(self.script),
str(self.coin_value), str(self.block_index_available),
"%d" % self.does_seem_spent, str(self.block_index_spent)])
def __str__(self):
if self.is_coinbase():
return 'TxIn<COINBASE: %s>' % b2h(self.script)
return 'TxIn<%s[%d] "%s">' % (
b2h_rev(self.previous_hash), self.previous_index, ScriptTools.disassemble(self.script))