rpc for get_version

src/wallet3/CMakeLists.txt

@@ -1,3 +1,5 @@
+configure_file(version.cpp.in version.cpp @ONLY)
+
 add_library(wallet3
   db_schema.cpp
   default_daemon_comms.cpp
@@ -9,6 +11,7 @@ add_library(wallet3
   decoy_selection/decoy_selection.cpp
   wallet.cpp
   wallet2½.cpp
+  version.cpp
   rpc/command_parser.cpp
   rpc/request_handler.cpp
   rpc/omq_server.cpp)

src/wallet3/rpc/request_handler.cpp

@@ -4,6 +4,7 @@
 #include "command_parser.h"
 #include <wallet3/wallet.hpp>
 #include <wallet3/db_schema.hpp>
+#include <wallet3/version.hpp>
 
 #include <cryptonote_core/cryptonote_tx_utils.h>
 
@@ -343,6 +344,10 @@ void RequestHandler::invoke(SUBMIT_MULTISIG& command, rpc_context context) {
 }
 
 void RequestHandler::invoke(GET_VERSION& command, rpc_context context) {
+  if (auto w = wallet.lock())
+  {
+    command.response["version"] = VERSION_STR;
+  }
 }
 
 void RequestHandler::invoke(STAKE& command, rpc_context context) {

src/wallet3/version.cpp.in

@@ -0,0 +1,10 @@
+#include "version.h"
+
+using namespace std::literals;
+
+const std::array<uint16_t, 3> OXEN_VERSION = {@PROJECT_VERSION_MAJOR@, @PROJECT_VERSION_MINOR@, @PROJECT_VERSION_PATCH@};
+
+const std::string_view VERSION_TAG = "@VERSIONTAG@"sv;
+const std::string_view VERSION_STR = "@PROJECT_VERSION@"sv;
+const std::string_view VERSION_FULL = "@PROJECT_VERSION@-@VERSIONTAG@"sv;
+

src/wallet3/version.hpp

@@ -0,0 +1,14 @@
+#pragma once
+
+#include <cstdint>
+#include <array>
+#include <string_view>
+
+namespace wallet 
+{
+  // Given a full wallet version of: wallet-1.2.3-abc these are:
+  extern const std::array<uint16_t, 3> VERSION;         // [1, 2, 3]
+  extern const std::string_view VERSION_STR;                 // "1.2.3"
+  extern const std::string_view VERSION_TAG;                 // "abc"
+  extern const std::string_view VERSION_FULL;                // "wallet-1.2.3-abc"
+}  // namespace wallet