fix(Account): allow signing EIP712 messages (#29)

Author: fubuloubu

ape_aws/accounts.py

@@ -4,6 +4,7 @@
 from ape.api import AccountAPI, AccountContainerAPI, TransactionAPI
 from ape.logging import logger
 from ape.types import AddressType, MessageSignature, SignableMessage, TransactionSignature
+from eip712 import EIP712Message
 from eth_account._utils.legacy_transactions import serializable_unsigned_transaction_from_dict
 from eth_account.messages import _hash_eip191_message, encode_defunct
 from eth_pydantic_types import HexBytes
@@ -74,6 +75,10 @@ def sign_raw_msghash(self, msghash: HexBytes | Hash32) -> Optional[MessageSignat
     def sign_message(self, msg: Any, **signer_options) -> Optional[MessageSignature]:
         if isinstance(msg, SignableMessage):
             message = msg
+
+        elif isinstance(msg, EIP712Message):
+            message = msg.signable_message
+
         elif isinstance(msg, str):
             if msg.startswith("0x"):
                 message = encode_defunct(hexstr=msg)