def add_multi_sign_transaction(tx: Transaction, m: int, pub_keys: list,
signer: Account):
"""
This interface is used to generate an Transaction object which has multi signature.
:param tx: a Transaction object which will be signed.
:param m: the amount of signer.
:param pub_keys: a list of public keys.
:param signer: an Account object which will sign the transaction.
:return: a Transaction object which has been signed.
"""
pub_keys = ProgramBuilder.sort_publickeys(pub_keys)
tx_hash = tx.hash256_bytes()
sig_data = signer.generate_signature(tx_hash,
signer.get_signature_scheme())
if tx.sigs is None or len(tx.sigs) == 0:
tx.sigs = []
elif len(tx.sigs) >= Common.TX_MAX_SIG_SIZE:
raise SDKException(
ErrorCode.param_err(
'the number of transaction signatures should not be over 16'
))
else:
for i in range(len(tx.sigs)):
if tx.sigs[i].public_keys == pub_keys:
if len(tx.sigs[i].sig_data) + 1 > len(pub_keys):
raise SDKException(
ErrorCode.param_err('too more sigData'))
if tx.sigs[i].M != m:
raise SDKException(ErrorCode.param_err('M error'))
tx.sigs[i].sig_data.append(sig_data)
return tx
sig = Sig(pub_keys, m, [sig_data])
tx.sigs.append(sig)
return tx
def sign_transaction(self, tx: Transaction, signer: Account):
tx_hash = tx.hash256()
sig_data = signer.generate_signature(tx_hash,
signer.get_signature_scheme())
sig = [Sig([signer.get_public_key()], 1, [sig_data])]
tx.sigs = sig
return tx
def add_multi_sign_transaction(self, tx: Transaction, m: int, pubkeys: [],
signer: Account):
pubkeys = ProgramBuilder.sort_publickeys(pubkeys)
tx_hash = tx.hash256_bytes()
sig_data = signer.generate_signature(tx_hash,
signer.get_signature_scheme())
if tx.sigs is None or len(tx.sigs) == 0:
tx.sigs = []
elif len(tx.sigs) >= Common.TX_MAX_SIG_SIZE:
raise SDKException(
ErrorCode.param_err(
'the number of transaction signatures should not be over 16'
))
else:
for i in range(len(tx.sigs)):
if tx.sigs[i].public_keys == pubkeys:
if len(tx.sigs[i].sig_data) + 1 > len(pubkeys):
raise SDKException(
ErrorCode.param_err('too more sigData'))
if tx.sigs[i].M != m:
raise SDKException(ErrorCode.param_err('M error'))
tx.sigs[i].sig_data.append(sig_data)
return tx
sig = Sig(pubkeys, m, [sig_data])
tx.sigs.append(sig)
return tx
def add_sign_transaction(self, tx: Transaction, signer: Account):
if tx.sigs == None or len(tx.sigs) == 0:
tx.sigs = []
elif len(tx.sigs) >= Common.TX_MAX_SIG_SIZE:
raise Exception(
"the number of transaction signatures should not be over 16")
tx_hash = tx.hash256()
sig_data = signer.generate_signature(tx_hash,
signer.get_signature_scheme())
sig = Sig([signer.serialize_public_key()], 1, [sig_data])
tx.sigs.append(sig)
return tx
def sign_transaction(tx: Transaction, signer: Account) -> Transaction:
"""
This interface is used to sign the transaction.
:param tx: a Transaction object which will be signed.
:param signer: an Account object which will sign the transaction.
:return: a Transaction object which has been signed.
"""
tx_hash = tx.hash256_bytes()
sig_data = signer.generate_signature(tx_hash,
signer.get_signature_scheme())
sig = [Sig([signer.get_public_key_bytes()], 1, [sig_data])]
tx.sigs = sig
return tx
def add_sign_transaction(tx: Transaction, signer: Account):
"""
This interface is used to add signature into the transaction.
:param tx: a Transaction object which will be signed.
:param signer: an Account object which will sign the transaction.
:return: a Transaction object which has been signed.
"""
if tx.sigs is None or len(tx.sigs) == 0:
tx.sigs = []
elif len(tx.sigs) >= Common.TX_MAX_SIG_SIZE:
raise SDKException(
ErrorCode.param_err(
'the number of transaction signatures should not be over 16'
))
tx_hash = tx.hash256_bytes()
sig_data = signer.generate_signature(tx_hash,
signer.get_signature_scheme())
sig = Sig([signer.serialize_public_key()], 1, [sig_data])
tx.sigs.append(sig)
return tx
def signature_data(self, acct: Account, data: bytearray or bytes):
return acct.generate_signature(data, acct.get_signature_scheme())
def test_get_signature_scheme(self):
hex_private_key = '523c5fcf74823831752f0bcb3634234f10b3beb1c05595058534577752ad2d9f'
account = Account(hex_private_key, SignatureScheme.SHA256withECDSA)
signature_scheme = account.get_signature_scheme()
self.assertEqual(SignatureScheme, type(signature_scheme))
