feat(execution-engine)!: add error-code invariant check for match/mismatch (#622)

air/src/execution_step/errors/catchable_errors.rs

@@ -39,6 +39,14 @@ pub enum CatchableError {
     #[error("Local service error, ret_code is {0}, error message is '{1}'")]
     LocalServiceError(i32, Rc<String>),
 
+    /// This error type is produced by a match to notify xor that compared values aren't equal.
+    #[error("match is used without corresponding xor")]
+    MatchValuesNotEqual,
+
+    /// This error type is produced by a mismatch to notify xor that compared values aren't equal.
+    #[error("mismatch is used without corresponding xor")]
+    MismatchValuesEqual,
+
     /// Variable with such a name wasn't defined during AIR script execution.
     /// This error type is used in order to support the join behaviour and
     /// it's ok if some variable hasn't been defined yet, due to the par nature of AIR.
@@ -59,14 +67,6 @@ pub enum CatchableError {
     #[error("expression '{1}' returned non-array value '{0}' for fold iterable")]
     FoldIteratesOverNonArray(JValue, String),
 
-    /// This error type is produced by a match to notify xor that compared values aren't equal.
-    #[error("match is used without corresponding xor")]
-    MatchValuesNotEqual,
-
-    /// This error type is produced by a mismatch to notify xor that compared values aren't equal.
-    #[error("mismatch is used without corresponding xor")]
-    MismatchValuesEqual,
-
     /// This error type is produced by a fail instruction.
     #[error("fail with '{error}' is used without corresponding xor")]
     UserError { error: Rc<JValue> },

air/tests/test_module/instructions/match_.rs

@@ -16,6 +16,7 @@
 
 use air::CatchableError;
 use air::ExecutionCidState;
+use air::ToErrorCode;
 use air::NO_ERROR_ERROR_CODE;
 use air::NO_ERROR_MESSAGE;
 use air_test_framework::AirScriptExecutor;
@@ -297,6 +298,7 @@ fn match_without_xor() {
     let result = call_vm!(vm, <_>::default(), &script, "", result.data);
 
     let expected_error = CatchableError::MatchValuesNotEqual;
+    assert_eq!(expected_error.to_error_code(), 10001);
     assert!(check_error(&result, expected_error));
 
     let result = call_vm!(vm, <_>::default(), script, "", result.data);

air/tests/test_module/instructions/mismatch.rs

@@ -15,6 +15,7 @@
  */
 
 use air::CatchableError;
+use air::ToErrorCode;
 use air_test_utils::prelude::*;
 
 #[test]
@@ -159,6 +160,7 @@ fn mismatch_without_xor() {
     let result = call_vm!(vm, <_>::default(), &script, "", result.data);
 
     let expected_error = CatchableError::MismatchValuesEqual;
+    assert_eq!(expected_error.to_error_code(), 10002);
     assert!(check_error(&result, expected_error));
 
     let result = call_vm!(vm, <_>::default(), script, "", result.data);

crates/testing-framework/src/execution/mod.rs

@@ -210,15 +210,17 @@ mod tests {
 
     #[test]
     fn test_call_result_error() {
+        let script = r#"
+        (seq
+            (call "peer1" ("service" "func") [] arg) ; err = {"ret_code":12,"result":"ERROR MESSAGE"}
+            (call "peer2" ("service" "func") [arg]) ; ok = 43
+        )
+        "#;
         let exec = AirScriptExecutor::<NativeAirRunner>::new(
             TestRunParameters::from_init_peer_id("init_peer_id"),
             vec![],
             std::iter::empty(),
-            r#"(seq
-(call "peer1" ("service" "func") [] arg) ; err = {"ret_code":12,"result":"ERROR MESSAGE"}
-(call "peer2" ("service" "func") [arg]) ; ok = 43
-)
-"#,
+            script,
         )
         .unwrap();