From 45c08f8a7b89dda6afb7d7cf9573a8ae8290ac92 Mon Sep 17 00:00:00 2001
From: Andrew Chow <achow101-github@achow101.com>
Date: Wed, 17 Jun 2020 12:25:22 -0400
Subject: [PATCH] Add Create*WalletDatabase functions

These functions doing the same things as WalletDatabase::Create,
CreateMock, and CreateDummy
---
 src/wallet/walletdb.cpp | 19 +++++++++++++++++++
 src/wallet/walletdb.h   |  9 +++++++++
 2 files changed, 28 insertions(+)

diff --git a/src/wallet/walletdb.cpp b/src/wallet/walletdb.cpp
index 2f6c2b883ac..6f383980764 100644
--- a/src/wallet/walletdb.cpp
+++ b/src/wallet/walletdb.cpp
@@ -1023,3 +1023,22 @@ bool IsWalletLoaded(const fs::path& wallet_path)
 {
     return IsBDBWalletLoaded(wallet_path);
 }
+
+/** Return object for accessing database at specified path. */
+std::unique_ptr<BerkeleyDatabase> CreateWalletDatabase(const fs::path& path)
+{
+    std::string filename;
+    return MakeUnique<BerkeleyDatabase>(GetWalletEnv(path, filename), std::move(filename));
+}
+
+/** Return object for accessing dummy database with no read/write capabilities. */
+std::unique_ptr<BerkeleyDatabase> CreateDummyWalletDatabase()
+{
+    return MakeUnique<BerkeleyDatabase>();
+}
+
+/** Return object for accessing temporary in-memory database. */
+std::unique_ptr<BerkeleyDatabase> CreateMockWalletDatabase()
+{
+    return MakeUnique<BerkeleyDatabase>(std::make_shared<BerkeleyEnvironment>(), "");
+}
diff --git a/src/wallet/walletdb.h b/src/wallet/walletdb.h
index 1037bd579fe..61e0f19e562 100644
--- a/src/wallet/walletdb.h
+++ b/src/wallet/walletdb.h
@@ -293,4 +293,13 @@ bool ReadKeyValue(CWallet* pwallet, CDataStream& ssKey, CDataStream& ssValue, st
 /** Return whether a wallet database is currently loaded. */
 bool IsWalletLoaded(const fs::path& wallet_path);
 
+/** Return object for accessing database at specified path. */
+std::unique_ptr<BerkeleyDatabase> CreateWalletDatabase(const fs::path& path);
+
+/** Return object for accessing dummy database with no read/write capabilities. */
+std::unique_ptr<BerkeleyDatabase> CreateDummyWalletDatabase();
+
+/** Return object for accessing temporary in-memory database. */
+std::unique_ptr<BerkeleyDatabase> CreateMockWalletDatabase();
+
 #endif // BITCOIN_WALLET_WALLETDB_H