code cleaning

Cargo.toml

@@ -7,3 +7,11 @@ members = [
     "wit_fce/examples/ipfs_node",
     "wit_fce/examples/ipfs_rpc",
 ]
+
+[profile.release]
+opt-level = 3
+debug = false
+lto = true
+debug-assertions = false
+overflow-checks = false
+panic = "abort"

fce/Cargo.toml

@@ -7,7 +7,6 @@ edition = "2018"
 license = "Apache-2.0"
 keywords = ["fluence", "webassembly", "wasmer", "execution environment"]
 categories = ["webassembly"]
-maintenance = { status = "actively-developed" }
 
 [lib]
 name = "fce"
@@ -35,11 +34,3 @@ pwasm-utils = "0.12.0"
 reqwest = "0.10.4"
 bytes = "0.5.4"
 tokio = { version = "0.2.20", features = ["blocking", "macros"] }
-
-[profile.release]
-#opt-level = 3
-#debug = false
-#lto = true
-#debug-assertions = false
-#overflow-checks = false
-#panic = "abort"

wit_embedder/Cargo.toml

@@ -12,11 +12,3 @@ either = "1.5.3"
 clap = "2.33.1"
 exitfailure = "0.5.1"
 failure = "0.1.5"
-
-[profile.release]
-opt-level = 3
-debug = false
-lto = true
-debug-assertions = false
-overflow-checks = false
-panic = "abort"

wit_fce/Cargo.toml

@@ -9,11 +9,3 @@ wasmer-runtime = "0.17.0"
 wasmer-runtime-core = { version = "0.17.0", features = ["dynamicfunc-fat-closures"] }
 wasmer-interface-types = { git = "http://github.com/fluencelabs/interface-types" }
 multimap = "0.8.1"
-
-[profile.release]
-opt-level = 3
-debug = false
-lto = true
-debug-assertions = false
-overflow-checks = false
-panic = "abort"

wit_fce/src/instance/wit_function.rs

@@ -127,25 +127,23 @@ impl wasm::structures::LocalImport for WITFunction {
         use super::{ival_to_wval, wval_to_ival};
 
         match &self.inner {
-            WITFunctionInner::Export { func, .. } => {
+            WITFunctionInner::Export { func, .. } => func
-                func.as_ref()
+                .as_ref()
                 .call(&arguments.iter().map(ival_to_wval).collect::<Vec<Value>>())
                 .map(|results| results.iter().map(wval_to_ival).collect())
-                    .map_err(|_| ())
+                .map_err(|_| ()),
-            }
             WITFunctionInner::Import {
                 wit_module,
                 func_name,
                 ..
             } => {
-                let mut tt = wit_module.clone();
+                let mut wit_module_caller = wit_module.clone();
                 unsafe {
-                    let result = Arc::get_mut_unchecked(&mut tt)
+                    // get_mut_unchecked here is safe because it is single-threaded environment
+                    // without cyclic reference between modules
+                    Arc::get_mut_unchecked(&mut wit_module_caller)
                         .call(func_name, arguments)
-                        .map_err(|_| ());
+                        .map_err(|_| ())
-
-                    // println!("result is {:?}", result);
-                    result
                 }
             }
         }

wit_fce/src/instance/wit_instance.rs

@@ -57,6 +57,7 @@ impl WITInstance {
         Ok(Self { funcs, memories })
     }
 
+    #[allow(unused)]
     pub fn get_func_signature(
         &self,
         func_idx: usize,
@@ -88,9 +89,7 @@ impl WITInstance {
                     // here it is safe because dyn func is never lives WITInstance
                     let export_func =
                         std::mem::transmute::<DynFunc<'_>, DynFunc<'static>>(export_func);
-                    let tt = WITFunction::from_export(export_func)?;
+                    Ok((export_id, WITFunction::from_export(export_func)?))
-                    println!("{}, {} - {:?}", export_id, export.name, tt.inputs());
-                    Ok((export_id, tt))
                 }
             })
             .collect()
@@ -112,19 +111,13 @@ impl WITInstance {
         let mut non_wit_callable_imports = HashMap::new();
 
         for import in interfaces.imports.iter() {
-            if let Some(_) = core_to_adapter.get(&import.function_type) {
+            if core_to_adapter.get(&import.function_type).is_some() {
                 continue;
             }
 
             match modules.get(import.namespace) {
                 Some(module) => {
                     let func = WITFunction::from_import(module.clone(), import.name.to_string())?;
-                    println!(
-                        "{}, {} - {:?}",
-                        start_index + non_wit_callable_imports.len(),
-                        import.name,
-                        func.inputs()
-                    );
                     non_wit_callable_imports
                         .insert(start_index + non_wit_callable_imports.len() as usize, func);
                 }

wit_fce/src/instance/wit_module.rs

@@ -41,6 +41,7 @@ type WITInterpreter =
     Interpreter<WITInstance, WITExport, WITFunction, WITMemory, WITMemoryView<'static>>;
 
 pub struct WITModule {
+    #[allow(unused)]
     instance: WasmerInstance,
     wit_instance: Arc<WITInstance>,
     funcs: HashMap<String, (WITInterpreter, Vec<InterfaceType>, Vec<InterfaceType>)>,
@@ -77,6 +78,8 @@ impl WITModule {
         let wasmer_instance = wasmer_instance.instantiate(&import_object)?;
 
         let wit_instance = unsafe {
+            // get_mut_unchecked here is safe because currently only this modules have reference to
+            // it and the environment is single-threaded
             *Arc::get_mut_unchecked(&mut wit_instance) =
                 MaybeUninit::new(WITInstance::new(&wasmer_instance, &interfaces, modules)?);
             std::mem::transmute::<_, Arc<WITInstance>>(wit_instance)
@@ -96,17 +99,17 @@ impl WITModule {
     ) -> Result<Vec<InterfaceValue>, WITFCEError> {
         match self.funcs.get(function_name) {
             Some(func) => {
-                let tt = Arc::make_mut(&mut self.wit_instance);
+                let result = func
-
+                    .0
-                let result = func.0.run(args, tt)?.as_slice().to_owned();
+                    .run(args, Arc::make_mut(&mut self.wit_instance))?
+                    .as_slice()
+                    .to_owned();
                 Ok(result)
             }
-            None => {
+            None => Err(WITFCEError::NoSuchFunction(format!(
-                Err(WITFCEError::NoSuchFunction(format!(
                 "{} hasn't been found while calling",
                 function_name
-                )))
+            ))),
-            }
         }
     }
 
@@ -195,7 +198,7 @@ impl WITModule {
         use crate::instance::{itype_to_wtype, wval_to_ival};
         use wasmer_interface_types::ast::Type as IType;
         use wasmer_runtime_core::typed_func::DynamicFunc;
-        use wasmer_runtime_core::types::{FuncSig, Type as WType, Value};
+        use wasmer_runtime_core::types::{FuncSig, Value};
         use wasmer_runtime_core::vm::Ctx;
 
         // returns function that will be called from imports of Wasmer module

wit_fce/src/main.rs

@@ -57,7 +57,7 @@ fn main() {
         .expect("module successfully created");
 
     let result1 = ipfs_rpc
-        .call("invoke", &[InterfaceValue::String("aaaaaa".to_string())])
+        .call("invoke", &[InterfaceValue::String("0xffffff".to_string())])
         .unwrap();
 
     println!("stack state {:?}", result1);