From 3d5abbe86b7bc109be1ea4b946d454ff29a9a600 Mon Sep 17 00:00:00 2001
From: artyomsol <2406155+artyomsol@users.noreply.github.com>
Date: Thu, 16 Aug 2018 20:24:50 +0300
Subject: [PATCH] [#4027] add change_wallet_password wallet rpc command

---
 src/wallet/wallet_rpc_server.cpp             | 32 ++++++++++++++++++++
 src/wallet/wallet_rpc_server.h               |  2 ++
 src/wallet/wallet_rpc_server_commands_defs.h | 21 ++++++++++++-
 3 files changed, 54 insertions(+), 1 deletion(-)

diff --git a/src/wallet/wallet_rpc_server.cpp b/src/wallet/wallet_rpc_server.cpp
index 510cb3e58..b372b1a85 100644
--- a/src/wallet/wallet_rpc_server.cpp
+++ b/src/wallet/wallet_rpc_server.cpp
@@ -2728,6 +2728,38 @@ namespace tools
     return true;
   }
   //------------------------------------------------------------------------------------------------------------------------------
+  bool wallet_rpc_server::on_change_wallet_password(const wallet_rpc::COMMAND_RPC_CHANGE_WALLET_PASSWORD::request& req, wallet_rpc::COMMAND_RPC_CHANGE_WALLET_PASSWORD::response& res, epee::json_rpc::error& er)
+  {
+    if (!m_wallet) return not_open(er);
+    if (m_restricted)
+    {
+      er.code = WALLET_RPC_ERROR_CODE_DENIED;
+      er.message = "Command unavailable in restricted mode.";
+      return false;
+    }
+    if (m_wallet->verify_password(req.old_password))
+    {
+      try
+      {
+        m_wallet->rewrite(m_wallet->get_wallet_file(), req.new_password);
+        m_wallet->store();
+        LOG_PRINT_L0("Wallet password changed.");
+      }
+      catch (const std::exception& e)
+      {
+        handle_rpc_exception(std::current_exception(), er, WALLET_RPC_ERROR_CODE_UNKNOWN_ERROR);
+        return false;
+      }
+    }
+    else
+    {
+      er.code = WALLET_RPC_ERROR_CODE_INVALID_PASSWORD;
+      er.message = "Invalid original password.";
+      return false;
+    }
+    return true;
+  }
+  //------------------------------------------------------------------------------------------------------------------------------
   void wallet_rpc_server::handle_rpc_exception(const std::exception_ptr& e, epee::json_rpc::error& er, int default_error_code) {
     try
     {
diff --git a/src/wallet/wallet_rpc_server.h b/src/wallet/wallet_rpc_server.h
index 25eb01ba9..fec99f739 100644
--- a/src/wallet/wallet_rpc_server.h
+++ b/src/wallet/wallet_rpc_server.h
@@ -132,6 +132,7 @@ namespace tools
         MAP_JON_RPC_WE("get_languages",      on_get_languages,      wallet_rpc::COMMAND_RPC_GET_LANGUAGES)
         MAP_JON_RPC_WE("create_wallet",      on_create_wallet,      wallet_rpc::COMMAND_RPC_CREATE_WALLET)
         MAP_JON_RPC_WE("open_wallet",        on_open_wallet,        wallet_rpc::COMMAND_RPC_OPEN_WALLET)
+        MAP_JON_RPC_WE("change_wallet_password",        on_change_wallet_password,        wallet_rpc::COMMAND_RPC_CHANGE_WALLET_PASSWORD)
         MAP_JON_RPC_WE("is_multisig",        on_is_multisig,        wallet_rpc::COMMAND_RPC_IS_MULTISIG)
         MAP_JON_RPC_WE("prepare_multisig",   on_prepare_multisig,   wallet_rpc::COMMAND_RPC_PREPARE_MULTISIG)
         MAP_JON_RPC_WE("make_multisig",      on_make_multisig,      wallet_rpc::COMMAND_RPC_MAKE_MULTISIG)
@@ -206,6 +207,7 @@ namespace tools
       bool on_get_languages(const wallet_rpc::COMMAND_RPC_GET_LANGUAGES::request& req, wallet_rpc::COMMAND_RPC_GET_LANGUAGES::response& res, epee::json_rpc::error& er);
       bool on_create_wallet(const wallet_rpc::COMMAND_RPC_CREATE_WALLET::request& req, wallet_rpc::COMMAND_RPC_CREATE_WALLET::response& res, epee::json_rpc::error& er);
       bool on_open_wallet(const wallet_rpc::COMMAND_RPC_OPEN_WALLET::request& req, wallet_rpc::COMMAND_RPC_OPEN_WALLET::response& res, epee::json_rpc::error& er);
+      bool on_change_wallet_password(const wallet_rpc::COMMAND_RPC_CHANGE_WALLET_PASSWORD::request& req, wallet_rpc::COMMAND_RPC_CHANGE_WALLET_PASSWORD::response& res, epee::json_rpc::error& er);
       bool on_is_multisig(const wallet_rpc::COMMAND_RPC_IS_MULTISIG::request& req, wallet_rpc::COMMAND_RPC_IS_MULTISIG::response& res, epee::json_rpc::error& er);
       bool on_prepare_multisig(const wallet_rpc::COMMAND_RPC_PREPARE_MULTISIG::request& req, wallet_rpc::COMMAND_RPC_PREPARE_MULTISIG::response& res, epee::json_rpc::error& er);
       bool on_make_multisig(const wallet_rpc::COMMAND_RPC_MAKE_MULTISIG::request& req, wallet_rpc::COMMAND_RPC_MAKE_MULTISIG::response& res, epee::json_rpc::error& er);
diff --git a/src/wallet/wallet_rpc_server_commands_defs.h b/src/wallet/wallet_rpc_server_commands_defs.h
index 48d881c4c..54c255450 100644
--- a/src/wallet/wallet_rpc_server_commands_defs.h
+++ b/src/wallet/wallet_rpc_server_commands_defs.h
@@ -47,7 +47,7 @@
 // advance which version they will stop working with
 // Don't go over 32767 for any of these
 #define WALLET_RPC_VERSION_MAJOR 1
-#define WALLET_RPC_VERSION_MINOR 2
+#define WALLET_RPC_VERSION_MINOR 3
 #define MAKE_WALLET_RPC_VERSION(major,minor) (((major)<<16)|(minor))
 #define WALLET_RPC_VERSION MAKE_WALLET_RPC_VERSION(WALLET_RPC_VERSION_MAJOR, WALLET_RPC_VERSION_MINOR)
 namespace tools
@@ -1808,6 +1808,25 @@ namespace wallet_rpc
     };
   };
 
+  struct COMMAND_RPC_CHANGE_WALLET_PASSWORD
+  {
+    struct request
+    {
+      std::string old_password;
+      std::string new_password;
+
+      BEGIN_KV_SERIALIZE_MAP()
+        KV_SERIALIZE(old_password)
+        KV_SERIALIZE(new_password)
+      END_KV_SERIALIZE_MAP()
+    };
+    struct response
+    {
+      BEGIN_KV_SERIALIZE_MAP()
+      END_KV_SERIALIZE_MAP()
+    };
+  };
+
   struct COMMAND_RPC_IS_MULTISIG
   {
     struct request