tos32 error handling (#1959)

proto/src/proto/executor/v1/executor.proto

@@ -294,4 +294,6 @@ enum ExecutorError {
     EXECUTOR_ERROR_BALANCE_MISMATCH = 9;
     // EXECUTOR_ERROR_FEA2SCALAR indicates that there is a fea2scalar error in the execution
     EXECUTOR_ERROR_FEA2SCALAR = 10;
+    // EXECUTOR_ERROR_TOS32 indicates that there is a TOS32 error in the execution
+    EXECUTOR_ERROR_TOS32 = 11;
 }

state/runtime/executor/errors.go

@@ -87,6 +87,10 @@ const (
 	EXECUTOR_ERROR_UNSUPPORTED_FORK_ID = 8
 	// EXECUTOR_ERROR_BALANCE_MISMATCH indicates that there is a balance mismatch error in the ROM
 	EXECUTOR_ERROR_BALANCE_MISMATCH = 9
+	// EXECUTOR_ERROR_FEA2SCALAR indicates that there is a fea2scalar error in the execution
+	EXECUTOR_ERROR_FEA2SCALAR = 10
+	// EXECUTOR_ERROR_TOS32 indicates that there is a TOS32 error in the execution
+	EXECUTOR_ERROR_TOS32 = 11
 )
 
 // RomErr returns an instance of error related to the ExecutorError
@@ -275,6 +279,10 @@ func ExecutorErr(errorCode pb.ExecutorError) error {
 		return runtime.ErrUnsupportedForkId
 	case EXECUTOR_ERROR_BALANCE_MISMATCH:
 		return runtime.ErrBalanceMismatch
+	case EXECUTOR_ERROR_FEA2SCALAR:
+		return runtime.ErrFea2Scalar
+	case EXECUTOR_ERROR_TOS32:
+		return runtime.ErrTos32
 	}
 	return fmt.Errorf("unknown error")
 }
@@ -300,6 +308,10 @@ func ExecutorErrorCode(err error) pb.ExecutorError {
 		return pb.ExecutorError(EXECUTOR_ERROR_UNSUPPORTED_FORK_ID)
 	case runtime.ErrBalanceMismatch:
 		return pb.ExecutorError(EXECUTOR_ERROR_BALANCE_MISMATCH)
+	case runtime.ErrFea2Scalar:
+		return pb.ExecutorError(EXECUTOR_ERROR_FEA2SCALAR)
+	case runtime.ErrTos32:
+		return pb.ExecutorError(EXECUTOR_ERROR_TOS32)
 	}
 	return math.MaxInt32
 }

state/runtime/runtime.go

@@ -63,6 +63,10 @@ var (
 	ErrUnsupportedForkId = errors.New("unsupported fork id")
 	// ErrBalanceMismatch indicates that the balance mismatch in the ROM
 	ErrBalanceMismatch = errors.New("balance mismatch")
+	// ErrFea2Scalar indicates a fea2scalar error in the ROM
+	ErrFea2Scalar = errors.New("fea2scalar")
+	// ErrTos32 indicates a tos32 error in the ROM
+	ErrTos32 = errors.New("tos32")
 )
 
 // ExecutionResult includes all output after executing given evm