fix: signature field fix

src/ape/api/transactions.py

@@ -65,7 +65,7 @@ class TransactionAPI(BaseInterfaceModel):
     # If left as None, will get set to the network's default required confirmations.
     required_confirmations: Optional[int] = Field(None, exclude=True)
 
-    signature: Optional[TransactionSignature] = None
+    signature: Optional[TransactionSignature] = Field(default=None, exclude=True)
 
     model_config = ConfigDict(populate_by_name=True)
 
@@ -180,7 +180,7 @@ def receipt(self) -> Optional["ReceiptAPI"]:
         """
 
         try:
-            txn_hash = self.txn_hash.hex()
+            txn_hash = to_hex(self.txn_hash)
         except SignatureError:
             return None
 

src/ape_ethereum/transactions.py

@@ -68,7 +68,7 @@ def serialize_transaction(self) -> bytes:
 
             raise SignatureError(message)
 
-        txn_data = self.model_dump(by_alias=True, exclude={"sender", "type", "signature"})
+        txn_data = self.model_dump(by_alias=True, exclude={"sender", "type"})
 
         # This messes up the signature
         if txn_data.get("to") == ZERO_ADDRESS:

src/ape_test/provider.py

@@ -256,6 +256,11 @@ def send_transaction(self, txn: TransactionAPI) -> ReceiptAPI:
             )
         else:
             txn_dict = txn_dict or txn.model_dump(mode="json")
+
+            # Signature is typically excluded from the model fields,
+            # so we have to include it manually.
+            txn_dict["signature"] = txn.signature
+
             receipt = self.get_receipt(
                 txn_hash, required_confirmations=required_confirmations, transaction=txn_dict
             )