def add_signature(self, kp: KeyPair) -> Transaction:
"""Signs the base hash of the `Transaction` and adds the `Signature` to the list of `signatures`.
Args:
kp: The `KeyPair` used to sign the base hash of this `Transaction`.
Returns:
Itself.
"""
signature = kp.sign(self._base_hash())
self.signatures.append(signature)
return self
def add_publisher_signature(self, name: str, kp: KeyPair) -> Transaction:
"""Signs the publish hash of the `Transaction` and adds the `Signature` to the list of `publisher_signatures`.
The publish hash includes the list of `signers` and their `signatures`.
Args:
name: The name of the publisher, will set the `publisher` field with its value.
kp: The `KeyPair` used to sign the publish hash of this `Transaction`.
Returns:
Itself.
"""
signature = kp.sign(self._publish_hash())
self.publisher_signatures.append(signature)
self.publisher = name
self.hash = None
return self
from hashlib import sha3_256 as sha3
from base64 import b64encode
from pyost.algorithm import Ed25519, Secp256k1
from pyost.signature import KeyPair
if __name__ == '__main__':
text = b'hello'
info = sha3(text).digest()
print(info.hex())
for algo in [Ed25519, Secp256k1]:
kp = KeyPair(algo)
print(kp.algo_cls.__int__())
print(kp.seckey.hex())
print(kp.pubkey.hex())
sig = kp.sign(info)
print(sig.pubkey.hex())
print(sig.sig.hex())
print(b64encode(sig.pubkey))
print(b64encode(sig.sig))