Update cli to properly query into app state-space

stack/prefixstore.go

@@ -20,26 +20,35 @@ func (p prefixStore) Get(key []byte) (value []byte) {
 }
 
 // stateSpace will unwrap any prefixStore and then add the prefix
+//
+// this can be used by the middleware and dispatcher to isolate one space,
+// then unwrap and isolate another space
 func stateSpace(store state.KVStore, app string) state.KVStore {
 	// unwrap one-level if wrapped
 	if pstore, ok := store.(prefixStore); ok {
 		store = pstore.store
 	}
-	// wrap it with the prefix
-	prefix := makePrefix(app)
+	return PrefixedStore(app, store)
+}
+
+// PrefixedStore allows one to create an isolated state-space for a given
+// app prefix, but it cannot easily be unwrapped
+//
+// This is useful for tests or utilities that have access to the global
+// state to check individual app spaces.  Individual apps should not be able
+// to use this to read each other's space
+func PrefixedStore(app string, store state.KVStore) state.KVStore {
+	prefix := append([]byte(app), byte(0))
 	return prefixStore{prefix, store}
 }
 
-func makePrefix(app string) []byte {
-	return append([]byte(app), byte(0))
-}
-
-// PrefixedKey gives us the absolute path to a key that is embedded in an
-// application-specific state-space.
+// PrefixedKey returns the absolute path to a given key in a particular
+// app's state-space
 //
 // This is useful for tests or utilities that have access to the global
 // state to check individual app spaces.  Individual apps should not be able
 // to use this to read each other's space
 func PrefixedKey(app string, key []byte) []byte {
-	return append(makePrefix(app), key...)
+	prefix := append([]byte(app), byte(0))
+	return append(prefix, key...)
 }