Add -walletdir parameter to specify custom wallet dir

1 files changed, 23 insertions, 0 deletions

diff --git a/src/wallet/walletutil.cpp b/src/wallet/walletutil.cpp
new file mode 100644
index 0000000000..85ac428b25
--- /dev/null
+++ b/src/wallet/walletutil.cpp
@@ -0,0 +1,23 @@
+// Copyright (c) 2017 The Bitcoin Core developers
+// Distributed under the MIT software license, see the accompanying
+// file COPYING or http://www.opensource.org/licenses/mit-license.php.
+
+#include "wallet/walletutil.h"
+
+fs::path GetWalletDir()
+{
+    fs::path path;
+
+    if (gArgs.IsArgSet("-walletdir")) {
+        path = fs::system_complete(gArgs.GetArg("-walletdir", ""));
+        if (!fs::is_directory(path)) {
+            // If the path specified doesn't exist, we return the deliberately
+            // invalid empty string.
+            path = "";
+        }
+    } else {
+        path = GetDataDir();
+    }
+
+    return path;
+}