t8n: Return InvalidBlock exception in result.blockException

Author: marioevz

src/ethereum_spec_tools/evm_tools/t8n/__init__.py

@@ -13,7 +13,7 @@
 from ethereum_types.numeric import U64, Uint
 
 from ethereum import trace
-from ethereum.exceptions import EthereumException
+from ethereum.exceptions import EthereumException, InvalidBlock
 from ethereum_spec_tools.forks import Hardfork
 
 from ..loaders.fixture_loader import Load
@@ -245,7 +245,10 @@ def run_blockchain_test(self) -> None:
             )
 
         if self.fork.is_after_fork("ethereum.prague"):
-            self.fork.process_general_purpose_requests(block_env, block_output)
+            try:
+                self.fork.process_general_purpose_requests(block_env, block_output)
+            except InvalidBlock as e:
+                self.result.block_exception = f"{e}"
 
         self.result.update(self, block_env, block_output)
         self.result.rejected = self.txs.rejected_txs

src/ethereum_spec_tools/evm_tools/t8n/t8n_types.py

@@ -267,6 +267,7 @@ class Result:
     blob_gas_used: Optional[Uint] = None
     requests_hash: Optional[Hash32] = None
     requests: Optional[List[Bytes]] = None
+    block_exception: Optional[str] = None
 
     def get_receipts_from_tries(
         self, t8n: Any, tx_trie: Any, receipts_trie: Any
@@ -372,5 +373,8 @@ def to_json(self) -> Any:
             # T8N doesn't consider the request type byte to be part of the
             # request
             data["requests"] = [encode_to_hex(req) for req in self.requests]
+        
+        if self.block_exception is not None:
+            data["blockException"] = self.block_exception
 
         return data