From 74a107f9f403c2327bda92cd04ad1b6454d7974a Mon Sep 17 00:00:00 2001
From: Stephen Birarda <commit@birarda.com>
Date: Wed, 16 Jul 2014 12:26:24 -0700
Subject: [PATCH] initial rev of SignedWalletTransaction that creates a message

---
 interface/src/Application.cpp                 |  7 +++
 interface/src/SignedWalletTransaction.cpp     | 51 +++++++++++++++++++
 interface/src/SignedWalletTransaction.h       | 31 +++++++++++
 .../networking}/src/WalletTransaction.cpp     |  0
 .../networking}/src/WalletTransaction.h       |  2 +-
 5 files changed, 90 insertions(+), 1 deletion(-)
 create mode 100644 interface/src/SignedWalletTransaction.cpp
 create mode 100644 interface/src/SignedWalletTransaction.h
 rename {domain-server => libraries/networking}/src/WalletTransaction.cpp (100%)
 rename {domain-server => libraries/networking}/src/WalletTransaction.h (99%)

diff --git a/interface/src/Application.cpp b/interface/src/Application.cpp
index bc6db5d7b6..c5a51fda86 100644
--- a/interface/src/Application.cpp
+++ b/interface/src/Application.cpp
@@ -74,6 +74,7 @@
 #include "devices/OculusManager.h"
 #include "devices/TV3DManager.h"
 #include "renderer/ProgramObject.h"
+#include "SignedWalletTransaction.h"
 
 #include "scripting/AccountScriptingInterface.h"
 #include "scripting/AudioDeviceScriptingInterface.h"
@@ -405,6 +406,12 @@ Application::Application(int& argc, char** argv, QElapsedTimer &startup_time) :
     MIDIManager& midiManagerInstance = MIDIManager::getInstance();
     midiManagerInstance.openDefaultPort();
 #endif
+    
+    
+    QUuid destinationWallet = QUuid::createUuid();
+    
+    SignedWalletTransaction testTransaction(destinationWallet, 1000, QDateTime::currentDateTime().toTime_t(), 3600);
+    qDebug() << "Message digest is" << testTransaction.hexMessage();
 }
 
 Application::~Application() {
diff --git a/interface/src/SignedWalletTransaction.cpp b/interface/src/SignedWalletTransaction.cpp
new file mode 100644
index 0000000000..e3a8cbaa5c
--- /dev/null
+++ b/interface/src/SignedWalletTransaction.cpp
@@ -0,0 +1,51 @@
+//
+//  SignedWalletTransaction.cpp
+//  interface/src
+//
+//  Created by Stephen Birarda on 2014-07-11.
+//  Copyright 2014 High Fidelity, Inc.
+//
+//  Distributed under the Apache License, Version 2.0.
+//  See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
+//
+
+#include <QtCore/QCryptographicHash>
+#include <QtCore/QDebug>
+#include <QtCore/QFile>
+
+#include "SignedWalletTransaction.h"
+
+SignedWalletTransaction::SignedWalletTransaction(const QUuid& destinationUUID, qint64 amount,
+                                                 qint64 messageTimestamp, qint64 expiryDelta) :
+    WalletTransaction(destinationUUID, amount),
+    _messageTimestamp(messageTimestamp),
+    _expiryDelta(expiryDelta)
+{
+    
+}
+
+QByteArray SignedWalletTransaction::hexMessage() {
+    // build the message using the components of this transaction
+    
+    // UUID, source UUID, destination UUID, message timestamp, expiry delta, amount
+    QByteArray messageBinary;
+    
+    messageBinary.append(_uuid.toRfc4122());
+    
+    messageBinary.append(reinterpret_cast<const char*>(&_messageTimestamp), sizeof(_messageTimestamp));
+    messageBinary.append(reinterpret_cast<const char*>(&_expiryDelta), sizeof(_expiryDelta));
+    
+    QUuid sourceUUID = QUuid::createUuid();
+    qDebug() << "The faked source UUID is" << sourceUUID;
+    messageBinary.append(sourceUUID.toRfc4122());
+    
+    messageBinary.append(_destinationUUID.toRfc4122());
+    
+    messageBinary.append(reinterpret_cast<const char*>(&_amount), sizeof(_amount));
+    
+    return messageBinary.toHex();
+}
+
+QByteArray SignedWalletTransaction::messageDigest() {
+    return QCryptographicHash::hash(hexMessage(), QCryptographicHash::Sha256);
+}
\ No newline at end of file
diff --git a/interface/src/SignedWalletTransaction.h b/interface/src/SignedWalletTransaction.h
new file mode 100644
index 0000000000..3b13f73335
--- /dev/null
+++ b/interface/src/SignedWalletTransaction.h
@@ -0,0 +1,31 @@
+//
+//  SignedWalletTransaction.h
+//  interfac/src
+//
+//  Created by Stephen Birarda on 2014-07-11.
+//  Copyright 2014 High Fidelity, Inc.
+//
+//  Distributed under the Apache License, Version 2.0.
+//  See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
+//
+
+#ifndef hifi_SignedWalletTransaction_h
+#define hifi_SignedWalletTransaction_h
+
+#include <WalletTransaction.h>
+
+class SignedWalletTransaction : public WalletTransaction {
+    Q_OBJECT
+public:
+    SignedWalletTransaction(const QUuid& destinationUUID, qint64 amount, qint64 messageTimestamp, qint64 expiryDelta);
+    
+    QByteArray hexMessage();
+    QByteArray messageDigest();
+    QByteArray signedMessageDigest();
+    
+private:
+    qint64 _messageTimestamp;
+    qint64 _expiryDelta;
+};
+
+#endif // hifi_SignedWalletTransaction_h
\ No newline at end of file
diff --git a/domain-server/src/WalletTransaction.cpp b/libraries/networking/src/WalletTransaction.cpp
similarity index 100%
rename from domain-server/src/WalletTransaction.cpp
rename to libraries/networking/src/WalletTransaction.cpp
diff --git a/domain-server/src/WalletTransaction.h b/libraries/networking/src/WalletTransaction.h
similarity index 99%
rename from domain-server/src/WalletTransaction.h
rename to libraries/networking/src/WalletTransaction.h
index 5e05f9f549..7728eb0f1b 100644
--- a/domain-server/src/WalletTransaction.h
+++ b/libraries/networking/src/WalletTransaction.h
@@ -36,7 +36,7 @@ public:
     QJsonDocument postJson();
     QJsonObject toJson();
     void loadFromJson(const QJsonObject& jsonObject);
-private:
+protected:
     QUuid _uuid;
     QUuid _destinationUUID;
     qint64 _amount;