fix(logic): add type safety on interface and rename it corrctly

x/logic/interpreter/fs/fs.go

@@ -5,21 +5,23 @@ import (
 	"io/fs"
 )
 
-// FileSystem is the custom virtual file system used into the blockchain.
+// VirtualFS is the custom virtual file system used into the blockchain.
 // It will hold a list of handler that can resolve file URI and return the corresponding binary file.
-type FileSystem struct {
+type VirtualFS struct {
 	ctx    goctx.Context
 	router Router
 }
 
-// New return a new FileSystem object that will handle all virtual file on the interpreter.
+var _ fs.FS = (*VirtualFS)(nil)
+
+// New return a new VirtualFS object that will handle all virtual file on the interpreter.
 // File can be provided from different sources like CosmWasm cw-storage smart contract.
-func New(ctx goctx.Context, handlers []URIHandler) FileSystem {
+func New(ctx goctx.Context, handlers []URIHandler) VirtualFS {
 	router := NewRouter()
 	for _, handler := range handlers {
 		router.RegisterHandler(handler)
 	}
-	return FileSystem{
+	return VirtualFS{
 		ctx:    ctx,
 		router: router,
 	}
@@ -34,7 +36,7 @@ func New(ctx goctx.Context, handlers []URIHandler) FileSystem {
 // Open should reject attempts to open names that do not satisfy
 // ValidPath(name), returning a *PathError with Err set to
 // ErrInvalid or ErrNotExist.
-func (f FileSystem) Open(name string) (fs.File, error) {
+func (f VirtualFS) Open(name string) (fs.File, error) {
 	data, err := f.router.Open(f.ctx, name)
 	if err != nil {
 		return nil, &fs.PathError{

x/logic/interpreter/fs/wasm.go

@@ -18,19 +18,21 @@ const (
 	scheme   = "cosmwasm"
 )
 
-type WasmFS struct {
+type WasmHandler struct {
 	wasmKeeper types.WasmKeeper
 }
 
-func NewWasmFS(keeper types.WasmKeeper) WasmFS {
-	return WasmFS{wasmKeeper: keeper}
+var _ URIHandler = (*WasmHandler)(nil)
+
+func NewWasmHandler(keeper types.WasmKeeper) WasmHandler {
+	return WasmHandler{wasmKeeper: keeper}
 }
 
-func (w WasmFS) Scheme() string {
+func (w WasmHandler) Scheme() string {
 	return scheme
 }
 
-func (w WasmFS) Open(ctx context.Context, uri *url.URL) (fs.File, error) {
+func (w WasmHandler) Open(ctx context.Context, uri *url.URL) (fs.File, error) {
 	sdkCtx := sdk.UnwrapSDKContext(ctx)
 
 	if uri.Scheme != scheme {

x/logic/interpreter/fs/wasm_test.go

@@ -107,7 +107,7 @@ func TestWasmHandler(t *testing.T) {
 						Return(tc.data, nil)
 
 					Convey("and wasm handler", func() {
-						handler := NewWasmFS(wasmKeeper)
+						handler := NewWasmHandler(wasmKeeper)
 
 						Convey("When ask handler if it can open uri", func() {
 							uri, err := url.Parse(tc.uri)

x/logic/keeper/interpreter.go

@@ -98,7 +98,7 @@ func (k Keeper) newInterpreter(ctx goctx.Context) (*prolog.Interpreter, error) {
 
 	interpreterParams := params.GetInterpreter()
 
-	wasmHandler := fs.NewWasmFS(k.WasmKeeper)
+	wasmHandler := fs.NewWasmHandler(k.WasmKeeper)
 
 	interpreted, err := interpreter.New(
 		ctx,