Add a separate error for nonexistent contract input

CHANGELOG.md

@@ -10,6 +10,9 @@ and this project adheres to [Semantic Versioning](http://semver.org/).
 ### Fixed
 - [860](https://github.com/FuelLabs/fuel-vm/pull/860): Fixed missing fuzzing coverage report in CI.
 
+### Breaking
+- [868](https://github.com/FuelLabs/fuel-vm/pull/868): Fixed error message when having a nonexistent contract in inputs. Instead of saying "contract was in inputs, but doesn't exist", the message was just "contract not in inputs". Now there's a separate error for that.
+
 ## [Version 0.58.2]
 
 ### Fixed

fuel-asm/src/panic_reason.rs

@@ -152,6 +152,8 @@ enum_from! {
         BlobIdAlreadyUploaded = 0x37,
         /// Active gas costs do not define the cost for this instruction.
         GasCostNotDefined = 0x38,
+        /// Given input contract does not exist.
+        InputContractDoesNotExist = 0x39,
     }
 }
 

fuel-vm/src/interpreter/executors/main.rs

@@ -905,7 +905,7 @@ where
                     false
                 }
             }) {
-                return Err(InterpreterError::Panic(PanicReason::ContractNotInInputs));
+                return Err(InterpreterError::Panic(PanicReason::InputContractDoesNotExist));
             }
 
             let gas_limit;