def __sign_bare_multisig__(self, n, private_key, public_key, script_pub_key, sighash_type):
sighash = self.sig_hash(n, script_pub_key=script_pub_key, sighash_type=sighash_type)
sighash = s2rh(sighash) if isinstance(sighash, str) else sighash
sig = [sign_message(sighash, p, 0) + bytes([sighash_type]) for p in private_key]
self["vIn"][n]['signatures'] = [s if self["format"] == "raw" else s.hex() for s in sig]
return b''.join(self.__get_bare_multisig_script_sig__(self["vIn"][n]["scriptSig"],
script_pub_key,
public_key, sig,
n))
def __sign_p2pkh__(self, n, private_key, public_key, script_pub_key, sighash_type):
sighash = self.sig_hash(n, script_pub_key=script_pub_key, sighash_type=sighash_type)
sighash = s2rh(sighash) if isinstance(sighash, str) else sighash
signature = sign_message(sighash, private_key[0], 0) + bytes([sighash_type])
self["vIn"][n]['signatures'] = [signature, ] if self["format"] == "raw" else [signature.hex(), ]
script_sig = b''.join([bytes([len(signature)]),
signature,
bytes([len(public_key[0])]),
public_key[0]])
return script_sig
def test_sign_message():
s = "3044022047ac8e878352d3ebbde1c94ce3a10d057c24175747116f8288e5d794d12d48" \
"2f0220217f36a485cae903c713331d877c1f64677e3622ad4010726870540656fe9dcb"
p = PrivateKey(
"eb696a065ef48a2192da5b28b694f87544b30fae8327c4510137a922f32c6dcf")
assert sign_message(
"64f3b0f4dd2bb3aa1ce8566d220cc74dda9df97d8490cc81d89d735c92e59fb6",
"eb696a065ef48a2192da5b28b694f87544b30fae8327c4510137a922f32c6dcf"
) == s
assert sign_message(
"64f3b0f4dd2bb3aa1ce8566d220cc74dda9df97d8490cc81d89d735c92e59fb6",
bytearray(p.key)) == s
assert sign_message(
"64f3b0f4dd2bb3aa1ce8566d220cc74dda9df97d8490cc81d89d735c92e59fb6",
p.wif) == s
with pytest.raises(TypeError):
assert sign_message(
"64f3b0f4dd2bb3aa1ce8566d220cc74dda9df97d8490cc81d89d735c92e59fb6",
"werwefwefwe") == s
def __sign_p2wsh_multisig(self, n, private_key, public_key, script_pub_key, redeem_script, sighash_type, amount):
script_code = int_to_var_int(len(redeem_script)) + redeem_script
sighash = self.sig_hash_segwit(n, amount, script_pub_key=script_code, sighash_type=sighash_type)
sighash = bytes.fromhex(sighash) if isinstance(sighash, str) else sighash
sig = [sign_message(sighash, p, 0) + bytes([sighash_type]) for p in private_key]
self["vIn"][n]['signatures'] = [s if self["format"] == "raw" else s.hex() for s in sig]
if "txInWitness" not in self["vIn"][n]:
self["vIn"][n]["txInWitness"] = []
witness = self.__get_multisig_script_sig__(self["vIn"][n]["txInWitness"],
public_key, sig, script_code, redeem_script, n, amount)
if self["format"] == "raw":
self["vIn"][n]['txInWitness'] = list(witness)
else:
self["vIn"][n]["txInWitness"] = list([w.hex() for w in witness])
return b""
def __sign_p2wpkh(self, n, private_key, public_key, script_pub_key, sighash_type, amount):
s = [b'\x19', OP_DUP, OP_HASH160, script_pub_key[1:], OP_EQUALVERIFY, OP_CHECKSIG]
if amount is None:
try:
amount = self["vIn"][n]["value"]
except:
raise RuntimeError("no input amount")
sighash = self.sig_hash_segwit(n, amount, script_pub_key=b"".join(s), sighash_type=sighash_type)
sighash = bytes.fromhex(sighash) if isinstance(sighash, str) else sighash
signature = sign_message(sighash, private_key[0], 0) + bytes([sighash_type])
self["segwit"] = True
if self["format"] == "raw":
self["vIn"][n]['txInWitness'] = [signature,
public_key[0]]
else:
self["vIn"][n]['txInWitness'] = [signature.hex(),
public_key[0].hex()]
self["vIn"][n]['signatures'] = [signature,] if self["format"] == "raw" else [signature.hex(),]
return b""
def sign_message(msg, private_key, hex=True):
return __parent__.sign_message(msg, private_key, hex=hex)