Use `p2pool` folder for p2pool on Windows

And set the correct file permissions on it so it can be run without administrator privileges.

installers/windows/Monero.iss

@@ -54,6 +54,9 @@ Name: "en"; MessagesFile: "compiler:Default.isl"
 ; Name: "nl"; MessagesFile: "compiler:Languages\Dutch.isl"
 ; Name: "pt"; MessagesFile: "compiler:Languages\Portuguese.isl"
 
+[Dirs]
+Name: "{app}";
+Name: "{app}\p2pool"; Permissions: users-full
 
 [Files]
 ; The use of the flag "ignoreversion" for the following entries leads to the following behaviour:
@@ -135,6 +138,7 @@ Type: filesandordirs; Name: "{app}\QtQuick.2"
 Type: filesandordirs; Name: "{app}\Material"
 Type: filesandordirs; Name: "{app}\Universal"
 Type: filesandordirs; Name: "{app}\scenegraph"
+Type: filesandordirs; Name: "{app}\p2pool"
 Type: files; Name: "{app}\D3Dcompiler_47.dll"
 Type: files; Name: "{app}\libbz2-1.dll"
 Type: files; Name: "{app}\libEGL.dll"

src/p2pool/P2PoolManager.cpp

@@ -50,15 +50,15 @@ void P2PoolManager::download() {
         QString validHash;
         #ifdef Q_OS_WIN
             url = "https://github.com/SChernykh/p2pool/releases/download/v1.9/p2pool-v1.9-windows-x64.zip";
-            fileName = "p2pool-v1.9-windows-x64.zip";
+            fileName = m_p2poolPath + "/p2pool-v1.9-windows-x64.zip";
             validHash = "2587903dc04a4879dca2b6f5c5b584e869928e716274a7660e24b219c9f18839";
         #elif defined(Q_OS_LINUX)
             url = "https://github.com/SChernykh/p2pool/releases/download/v1.9/p2pool-v1.9-linux-x64.tar.gz";
-            fileName = "p2pool-v1.9-linux-x64.tar.gz";
+            fileName = m_p2poolPath + "/p2pool-v1.9-linux-x64.tar.gz";
             validHash = "0cd85d933ac4a76708d326698d9db3155bb29d0be82984c735fabd9e9a351b8e";
         #elif defined(Q_OS_MACOS)
             url = "https://github.com/SChernykh/p2pool/releases/download/v1.9/p2pool-v1.9-macos-x64.tar.gz";
-            fileName = "p2pool-v1.9-macos-x64.tar.gz";
+            fileName = m_p2poolPath + "/p2pool-v1.9-macos-x64.tar.gz";
             validHash = "47fbdd69d719da80597dd5487f109b61e30b540499cced7b93de1ee01344351e";
         #endif
         QFile file(fileName);
@@ -96,7 +96,7 @@ void P2PoolManager::download() {
                 file.open(QIODevice::WriteOnly);
                 file.write(data);
                 file.close();
-                QProcess::execute("tar", {"-xzf", fileName, "--strip=1", "-C", QApplication::applicationDirPath()});
+                QProcess::execute("tar", {"-xzf", fileName, "--strip=1", "-C", m_p2poolPath});
                 QFile::remove(fileName);
                 if (isInstalled()) {
                     emit p2poolDownloadSuccess();
@@ -119,7 +119,7 @@ bool P2PoolManager::isInstalled() {
 }
 
 void P2PoolManager::getStatus() {
-    QString statsPath = QApplication::applicationDirPath() + "/stats/local/miner";
+    QString statsPath = m_p2poolPath + "/stats/local/miner";
     bool status = true;
     if (!QFileInfo(statsPath).isFile() || !started)
     {
@@ -158,7 +158,7 @@ bool P2PoolManager::start(const QString &flags, const QString &address, const QS
 
     if (!arguments.contains("--data-api")) {
         QDir dir;
-        QString dirName = QApplication::applicationDirPath() + "/stats/";
+        QString dirName = m_p2poolPath + "/stats/";
         QDir statsDir(dirName);
         if (dir.exists(dirName)) {
             statsDir.removeRecursively();
@@ -170,7 +170,7 @@ bool P2PoolManager::start(const QString &flags, const QString &address, const QS
     if (!arguments.contains("--start-mining")) {
         arguments << "--start-mining" << threads;
     }
-    
+
     if (chain == "mini") {
         arguments << "--mini";
     }
@@ -178,7 +178,7 @@ bool P2PoolManager::start(const QString &flags, const QString &address, const QS
     if (!arguments.contains("--wallet")) {
         arguments << "--wallet" << address;
     }
-    
+
     qDebug() << "starting p2pool " + m_p2pool;
     qDebug() << "With command line arguments " << arguments;
 
@@ -189,7 +189,7 @@ bool P2PoolManager::start(const QString &flags, const QString &address, const QS
     // Set program parameters
     m_p2poold->setProgram(m_p2pool);
     m_p2poold->setArguments(arguments);
-    m_p2poold->setWorkingDirectory(QApplication::applicationDirPath());
+    m_p2poold->setWorkingDirectory(m_p2poolPath);
 
     // Start p2pool
     started = m_p2poold->startDetached();
@@ -213,7 +213,7 @@ void P2PoolManager::exit()
         QProcess::execute("pkill", {"p2pool"});
     #endif
         started = false;
-        QString dirName = QApplication::applicationDirPath() + "/stats/";
+        QString dirName = m_p2poolPath + "/stats/";
         QDir dir(dirName);
         dir.removeRecursively();
     }
@@ -226,9 +226,14 @@ P2PoolManager::P2PoolManager(QObject *parent)
     started = false;
     // Platform dependent path to p2pool
 #ifdef Q_OS_WIN
-    m_p2pool = QApplication::applicationDirPath() + "/p2pool.exe";
+    m_p2poolPath = QApplication::applicationDirPath() + "/p2pool";
+    if (!QDir(m_p2poolPath).exists()) {
+        QDir().mkdir(m_p2poolPath);
+    }
+    m_p2pool = m_p2poolPath + "/p2pool.exe";
 #elif defined(Q_OS_UNIX)
-    m_p2pool = QApplication::applicationDirPath() + "/p2pool";
+    m_p2poolPath = QApplication::applicationDirPath();
+    m_p2pool = m_p2poolPath + "/p2pool";
 #endif
     if (m_p2pool.length() == 0) {
         qCritical() << "no p2pool binary defined for current platform";

src/p2pool/P2PoolManager.h

@@ -64,6 +64,7 @@ private:
     std::unique_ptr<QProcess> m_p2poold;
     QMutex m_p2poolMutex;
     QString m_p2pool;
+    QString m_p2poolPath;
     bool started = false;
 
     mutable FutureScheduler m_scheduler;