feat: error return in store

keychain/mem/store.go

@@ -6,10 +6,10 @@ type MemStore struct {
 	keys map[string]keychain.Key
 }
 
-func (ks *MemStore) Store(k keychain.Key) {
-
+func (ks *MemStore) Store(k keychain.Key) error {
+	panic("impl me!")
 }
 
-func (ks *MemStore) Get(id string) keychain.Key {
-	return keychain.Key{}
+func (ks *MemStore) Get(id string) (keychain.Key, error) {
+	return keychain.Key{}, nil
 }

keychain/store.go

@@ -1,6 +1,6 @@
 package keychain
 
 type Store interface {
-	Store(k Key)
-	Get(id string) Key
+	Store(k Key) error
+	Get(id string) (Key, error)
 }

server/api/walletapi.go

@@ -43,7 +43,7 @@ func (w *WalletApi) GetWallet(context *gin.Context) {
 		return
 	}
 
-	key := w.store.Get(request.ID)
+	key, err := w.store.Get(request.ID)
 	accounts, err := w.getAccounts(key)
 	if err != nil {
 		internalServerError(context, errors.New("failed to derive account"))