Added cache into standalone app

lib/runtime-core/src/cache.rs

@@ -67,7 +67,6 @@ struct ArtifactHeader {
     magic: [u8; 8], // [W, A, S, M, E, R, \0, \0]
     version: u64,
     data_len: u64,
-    wasm_hash: [u8; 32], // Sha256 of the wasm in binary format.
 }
 
 impl ArtifactHeader {
@@ -170,7 +169,6 @@ impl Artifact {
             magic: WASMER_CACHE_MAGIC,
             version: CURRENT_CACHE_VERSION,
             data_len: 0,
-            wasm_hash: self.inner.info.wasm_hash.into_array(),
         };
 
         let mut buffer = cache_header.as_slice().to_vec();
@@ -195,5 +193,5 @@ pub trait Cache {
     type StoreError;
 
     fn load(&self, key: WasmHash) -> Result<Module, Self::LoadError>;
-    fn store(&mut self, module: Module) -> Result<WasmHash, Self::StoreError>;
+    fn store(&mut self, key: WasmHash, module: Module) -> Result<(), Self::StoreError>;
 }

lib/runtime-core/src/module.rs

@@ -56,8 +56,6 @@ pub struct ModuleInfo {
 
     pub namespace_table: StringTable<NamespaceIndex>,
     pub name_table: StringTable<NameIndex>,
-
-    pub wasm_hash: WasmHash,
 }
 
 /// A compiled WebAssembly module.
@@ -116,6 +114,14 @@ impl Module {
     }
 }
 
+impl Clone for Module {
+    fn clone(&self) -> Self {
+        Self {
+            inner: Arc::clone(&self.inner),
+        }
+    }
+}
+
 impl ModuleInner {}
 
 #[doc(hidden)]

lib/runtime-core/src/vm.rs

@@ -565,8 +565,6 @@ mod vm_ctx_tests {
 
                 namespace_table: StringTable::new(),
                 name_table: StringTable::new(),
-
-                wasm_hash: WasmHash::generate(&[]),
             },
         }
     }