display hfc in "pennies"

interface/resources/qml/hifi/commerce/checkout/Checkout.qml

@@ -89,8 +89,8 @@ Rectangle {
                 console.log("Failed to get balance", result.data.message);
             } else {
                 root.balanceReceived = true;
-                hfcBalanceText.text = (parseFloat(result.data.balance/100).toFixed(2)) + " HFC";
-                balanceAfterPurchase = parseFloat(result.data.balance/100) - root.itemPriceFull/100;
+                hfcBalanceText.text = result.data.balance + " HFC";
+                balanceAfterPurchase = result.data.balance - root.itemPriceFull;
                 root.setBuyText();
             }
         }
@@ -892,7 +892,7 @@ Rectangle {
                 itemNameText.text = message.params.itemName;
                 itemAuthorText.text = message.params.itemAuthor;
                 root.itemPriceFull = message.params.itemPrice;
-                itemPriceText.text = root.itemPriceFull === 0 ? "Free" : "<b>" + (parseFloat(root.itemPriceFull/100).toFixed(2)) + " HFC</b>";
+                itemPriceText.text = root.itemPriceFull === 0 ? "Free" : "<b>" + root.itemPriceFull + " HFC</b>";
                 itemHref = message.params.itemHref;
                 if (itemHref.indexOf('.json') === -1) {
                     root.itemIsJson = false;

interface/resources/qml/hifi/commerce/wallet/WalletHome.qml

@@ -38,7 +38,7 @@ Item {
         }
 
         onBalanceResult : {
-            balanceText.text = parseFloat(result.data.balance/100).toFixed(2);
+            balanceText.text = result.data.balance;
         }
 
         onHistoryResult : {

interface/src/commerce/Ledger.cpp

@@ -11,6 +11,7 @@
 
 #include <QJsonObject>
 #include <QJsonArray>
+#include <QTimeZone>
 #include <QJsonDocument>
 #include "AccountManager.h"
 #include "Wallet.h"
@@ -45,7 +46,6 @@ Handler(buy)
 Handler(receiveAt)
 Handler(balance)
 Handler(inventory)
-Handler(history)
 
 void Ledger::send(const QString& endpoint, const QString& success, const QString& fail, QNetworkAccessManager::Operation method, QJsonObject request) {
     auto accountManager = DependencyManager::get<AccountManager>();
@@ -108,6 +108,61 @@ void Ledger::inventory(const QStringList& keys) {
     keysQuery("inventory", "inventorySuccess", "inventoryFailure");
 }
 
+QString nameFromKey(const QString& key, const QStringList& publicKeys) {
+    if (key.isNull() || key.isEmpty()) {
+        return "<b>Marketplace</b>";
+    }
+    if (publicKeys.contains(key)) {
+        return "You";
+    }
+    return "<b>Someone</b>";
+}
+
+void Ledger::historySuccess(QNetworkReply& reply) {
+    // here we send a historyResult with some extra stuff in it
+    // Namely, the styled text we'd like to show.  The issue is the
+    // QML cannot do that easily since it doesn't know what the wallet
+    // public key(s) are.  Let's keep it that way
+    QByteArray response = reply.readAll();
+    QJsonObject data = QJsonDocument::fromJson(response).object();
+
+    // we will need the array of public keys from the wallet
+    auto wallet = DependencyManager::get<Wallet>();
+    auto keys = wallet->listPublicKeys();
+
+    // now we need to loop through the transactions and add fancy text...
+    auto historyArray = data.find("data").value().toObject().find("history").value().toArray();
+    QJsonArray newHistoryArray;
+
+    // TODO: do this with 0 copies if possible
+    auto it = historyArray.begin();
+    for(auto it = historyArray.begin(); it != historyArray.end(); it++) {
+        auto valueObject = (*it).toObject();
+        QString from = nameFromKey(valueObject["sender_key"].toString(), keys);
+        QString to = nameFromKey(valueObject["recipient_key"].toString(), keys);
+        // turns out on my machine, toLocalTime convert to some weird timezone, yet the
+        // systemTimeZone is correct.  To avoid a strange bug with other's systems too, lets
+        // be explicit
+        QDateTime createdAt = QDateTime::fromSecsSinceEpoch(valueObject["created_at"].toInt(), Qt::UTC);
+        QDateTime localCreatedAt = createdAt.toTimeZone(QTimeZone::systemTimeZone());
+        valueObject["text"] = QString("%1 sent %2 <b>%3 %4</b> on %5 with message \"%6\"").
+            arg(from, to, QString::number(valueObject["quantity"].toInt()), valueObject["asset_title"].toString(), localCreatedAt.toString(Qt::SystemLocaleShortDate), valueObject["message"].toString());
+        newHistoryArray.push_back(valueObject);
+    }
+    // now copy the rest of the json -- this is inefficient
+    // TODO: try to do this without making copies
+    QJsonObject newData;
+    newData["status"] = "success";
+    QJsonObject newDataData;
+    newDataData["history"] = newHistoryArray;
+    newData["data"] = newDataData;
+    emit historyResult(newData);
+}
+
+void Ledger::historyFailure(QNetworkReply& reply) {
+    failResponse("history", reply);
+}
+
 void Ledger::history(const QStringList& keys) {
     keysQuery("history", "historySuccess", "historyFailure");
 }