chore(wasm-executor): add nicer error if you missed a feature flag during compilation

Author: rymnc

CHANGELOG.md

@@ -12,6 +12,7 @@ and this project adheres to [Semantic Versioning](http://semver.org/).
 ### Changed
 - [2387](https://github.com/FuelLabs/fuel-core/pull/2387): Update description `tx-max-depth` flag.
 - [2630](https://github.com/FuelLabs/fuel-core/pull/2630): Removed some noisy `tracing::info!` logs
+- [2653](https://github.com/FuelLabs/fuel-core/pull/2653): Added cleaner error for wasm-executor upon failed deserialization.
 
 ### Added
 - [2553](https://github.com/FuelLabs/fuel-core/pull/2553): Scaffold global merkle root storage crate.

crates/services/upgradable-executor/src/instance.rs

@@ -636,6 +636,11 @@ impl Instance<InputData> {
             .expect("Memory was initialized above; qed");
         let slice = &memory.data(&self.store)[ptr..ptr.saturating_add(len)];
 
-        postcard::from_bytes(slice).map_err(|e| anyhow::anyhow!(e))
+        postcard::from_bytes(slice).map_err(|e| {
+          match e {
+              postcard::Error::SerdeDeCustom => anyhow::anyhow!(e).context("Error in Deserialization; check feature flags of wasm module during compilation"),
+              _ => anyhow::anyhow!(e).context("Error in Deserialization; fatal"),
+          }
+        })
     }
 }