[WIP] Implement subroutine opcodes

Author: Peppece

eth/vm/rstack.py

@@ -39,15 +39,15 @@ def __init__(self) -> None:
         self._pop_typed = values.pop
         self.__len__ = values.__len__
 
-    def push_int(self, value) -> int:
+    def push_int(self, value) -> None:
         if len(self.values) > 1023:
             raise FullStack('Stack limit reached')
 
         validate_stack_int(value)
 
-        self._append((int, value))
+        self._append(value)
 
-    def pop1_int(self, value) -> int:
+    def pop1_int(self) -> int:
         #
         # Note: This function is optimized for speed over readability.
         #
@@ -62,5 +62,5 @@ def pop1_int(self, value) -> int:
             else:
                 raise ValidationError(
                     "Stack must always be bytes or int, "
-                    f"got {item_type!r} type, val {value!r}"
+                    f"got {item_type!r} type"
                 )