Initial implementation of getrescaninfo

src/wallet/rpcdump.cpp

@@ -2,7 +2,6 @@
 // Copyright (c) 2016-2022 The Hush developers
 // Distributed under the GPLv3 software license, see the accompanying
 // file COPYING or https://www.gnu.org/licenses/gpl-3.0.en.html
-
 /******************************************************************************
  * Copyright © 2014-2019 The SuperNET Developers.                             *
  *                                                                            *
@@ -17,7 +16,6 @@
  * Removal or modification of this copyright notice is prohibited.            *
  *                                                                            *
  ******************************************************************************/
-
 #include "chain.h"
 #include "key_io.h"
 #include "rpc/server.h"
@@ -29,13 +27,10 @@
 #include "util.h"
 #include "utiltime.h"
 #include "wallet.h"
-
 #include <fstream>
 #include <stdint.h>
-
 #include <boost/algorithm/string.hpp>
 #include <boost/date_time/posix_time/posix_time.hpp>
-
 #include <univalue.h>
 
 using namespace std;
@@ -149,6 +144,39 @@ UniValue convertpassphrase(const UniValue& params, bool fHelp, const CPubKey& my
     return ret;
 }
 
+UniValue getrescaninfo(const UniValue& params, bool fHelp, const CPubKey& mypk)
+{
+    if (!EnsureWalletIsAvailable(fHelp))
+        return NullUniValue;
+
+    if (fHelp || params.size() > 0)
+        throw runtime_error(
+            "getrescaninfo\n"
+            "\nGet rescan info such as starting height and current height.\n"
+            "\nArguments: none\n"
+            "\nExamples:\n"
+            "\nGet rescan info:\n"
+            + HelpExampleCli("getrescaninfo","")
+        );
+    UniValue ret(UniValue::VOBJ);
+    auto rescanning = pwalletMain->fRescanning;
+    ret.push_back(Pair("rescanning", rescanning));
+    if(rescanning) {
+        auto rescanHeight  = pwalletMain->rescanHeight;
+        auto startHeight   = pwalletMain->rescanStartHeight;
+        auto currentHeight = chainActive.Height();
+        // if current height is 0, progress=1 since there is nothing to rescan
+        char progress[8];
+        if (currentHeight != 0) {
+            sprintf(progress, "%.4f", (double) rescanHeight / (double) currentHeight );
+            ret.push_back(Pair("rescan_progress", progress));
+        }
+        ret.push_back(Pair("rescan_start_height", startHeight));
+        ret.push_back(Pair("rescan_height", rescanHeight));
+    }
+    return ret;
+}
+
 UniValue rescan(const UniValue& params, bool fHelp, const CPubKey& mypk)
 {
     //LOCK2(cs_main, pwalletMain->cs_wallet);