def test_full_tx_verifying(self):
tx = make_tx()
tx.invoker = "something"
full_hash, signature = crypto.sign_transaction(blake2b, secp256k1, key, tx)
tx.signature = signature
tx.full_hash = full_hash
self.assertTrue(crypto.verify_full_transaction(blake2b, secp256k1, key.pubkey, tx))
valid_tx = copy.deepcopy(tx)
tx.payload = "forged"
self.assertFalse(crypto.verify_full_transaction(blake2b, secp256k1, key.pubkey, tx))
tx = copy.deepcopy(valid_tx)
tx.invoker = "forged"
self.assertFalse(crypto.verify_full_transaction(blake2b, secp256k1, key.pubkey, tx))
tx = copy.deepcopy(valid_tx)
tx.signature = "MEQCIF+o3DHBiTbpw8X6W4/yOuPF/FfANIiNnG0mFLgjBAjuAiAe/QAHN8ufmHMeRvHFItdrzVHFORGED4/msipzFORGED=="
self.assertFalse(crypto.verify_full_transaction(blake2b, secp256k1, key.pubkey, tx))
def verify_full_transaction(
self, full_tx: "transaction_model.TransactionModel") -> bool:
"""Verify a full transaction
Args:
full_tx: TransactionModel to verify
Returns:
Boolean if valid signed and hashed transaction
Raises:
exceptions.InvalidNodeLevel when self is not level 1
RuntimeError when no public key is set on self
"""
if self.level != 1:
raise exceptions.InvalidNodeLevel(
"Transactions only exist on level 1 nodes")
if self.pub is None:
raise RuntimeError("No public key has been set for verifying")
return crypto.verify_full_transaction(self.hash, self.encryption,
self.pub, full_tx)