From 21077da41ad47664c353cf0866246fd142b69384 Mon Sep 17 00:00:00 2001
From: Zach Fox <fox@highfidelity.io>
Date: Thu, 7 Dec 2017 09:48:06 -0800
Subject: [PATCH] Don't send requests to backend if cached public keys is empty

---
 interface/src/commerce/QmlCommerce.cpp | 15 ++++++++++++---
 1 file changed, 12 insertions(+), 3 deletions(-)

diff --git a/interface/src/commerce/QmlCommerce.cpp b/interface/src/commerce/QmlCommerce.cpp
index 435d15d161..69089df9c2 100644
--- a/interface/src/commerce/QmlCommerce.cpp
+++ b/interface/src/commerce/QmlCommerce.cpp
@@ -83,19 +83,28 @@ void QmlCommerce::buy(const QString& assetId, int cost, const bool controlledFai
 void QmlCommerce::balance() {
     auto ledger = DependencyManager::get<Ledger>();
     auto wallet = DependencyManager::get<Wallet>();
-    ledger->balance(wallet->listPublicKeys());
+    QStringList cachedPublicKeys = wallet->listPublicKeys();
+    if (!cachedPublicKeys.isEmpty()) {
+        ledger->balance(cachedPublicKeys);
+    }
 }
 
 void QmlCommerce::inventory() {
     auto ledger = DependencyManager::get<Ledger>();
     auto wallet = DependencyManager::get<Wallet>();
-    ledger->inventory(wallet->listPublicKeys());
+    QStringList cachedPublicKeys = wallet->listPublicKeys();
+    if (!cachedPublicKeys.isEmpty()) {
+        ledger->inventory(cachedPublicKeys);
+    }
 }
 
 void QmlCommerce::history() {
     auto ledger = DependencyManager::get<Ledger>();
     auto wallet = DependencyManager::get<Wallet>();
-    ledger->history(wallet->listPublicKeys());
+    QStringList cachedPublicKeys = wallet->listPublicKeys();
+    if (!cachedPublicKeys.isEmpty()) {
+        ledger->history(cachedPublicKeys);
+    }
 }
 
 void QmlCommerce::changePassphrase(const QString& oldPassphrase, const QString& newPassphrase) {