feat: public_key method added to KeyfileAccount class [APE-1466]

src/ape_accounts/accounts.py

@@ -5,6 +5,7 @@
 
 import click
 from eth_account import Account as EthAccount
+from eth_keys import keys # type: ignore
 from eth_utils import to_bytes
 from ethpm_types import HexBytes
 
@@ -92,6 +93,17 @@ def __key(self) -> HexBytes:
 
         return key
 
+    @property
+    def public_key(self) -> HexBytes:
+        key = self.__key
+
+        # Derive the public key from the private key
+        pk = keys.PrivateKey(key)
+        # convert from eth_keys.datatypes.PublicKey to str to make it HexBytes
+        publicKey = str(pk.public_key)
+
+        return HexBytes(bytes.fromhex(publicKey[2:]))
+
     def unlock(self, passphrase: Optional[str] = None):
         if not passphrase:
             # Check if environment variable is available

tests/functional/test_accounts.py

@@ -3,6 +3,7 @@
 import pytest
 from eip712.messages import EIP712Message
 from eth_account.messages import encode_defunct
+from hexbytes import HexBytes
 
 import ape
 from ape.api import ImpersonatedAccount
@@ -565,3 +566,8 @@ def test_prepare_transaction_and_call_using_max_gas(tx_type, ethereum, sender, e
 
     actual = sender.call(tx)
     assert not actual.failed
+
+
+def test_public_key(runner, keyfile_account):
+    with runner.isolation(input="a\ny\n"):
+        assert isinstance(keyfile_account.public_key, HexBytes)