update t8n interface

Author: souradeep-das

src/ethereum_spec_tools/evm_tools/__init__.py

@@ -105,7 +105,7 @@ def main(
         in_file = sys.stdin
 
     if options.evm_tool == "t8n":
-        t8n_tool = T8N(options, out_file, in_file)
+        t8n_tool = T8N(options, in_file, out_file)
         return t8n_tool.run()
     elif options.evm_tool == "b11r":
         b11r_tool = B11R(options, out_file, in_file)

src/ethereum_spec_tools/evm_tools/statetest/__init__.py

@@ -146,7 +146,7 @@ def run_test_case(
     if output_basedir is not None:
         t8n_options.output_basedir = output_basedir
 
-    t8n = T8N(t8n_options, out_stream, in_stream)
+    t8n = T8N(t8n_options, in_stream, out_stream)
     t8n.run_state_test()
     return t8n.result
 

tests/helpers/load_evm_tools_tests.py

@@ -125,7 +125,7 @@ def load_evm_tools_test(test_case: Dict[str, str], fork_name: str) -> None:
     t8n_options = parser.parse_args(t8n_args)
 
     try:
-        t8n = T8N(t8n_options, sys.stdout, in_stream)
+        t8n = T8N(t8n_options, in_stream, sys.stdout)
     except StateWithEmptyAccount as e:
         pytest.xfail(str(e))