Merge ElementsProject#803: getwalletpakinfo: Use offline counter when…

… reporting lookahead

76fbb4b getwalletpakinfo: Use offline counter when reporting lookahead (Gregory Sanders)

Pull request description:

  resolves ElementsProject#802

Tree-SHA512: 37cac0979e0cd7a773d6298fcfb86f5e5719694fb20041eadd1556f70a8476fe3993a734fc286caf74ac02caed8ff8c6eb3e0978675d63509e861025599c35c8

src/wallet/rpcdump.cpp

@@ -1595,8 +1595,11 @@ UniValue getwalletpakinfo(const JSONRPCRequest& request)
     ret.pushKV("liquid_pak", HexStr(pwallet->online_key));
     ret.pushKV("liquid_pak_address", EncodeDestination(PKHash(pwallet->online_key)));
 
+    // We know that the number is non-negative from earlier check
+    unsigned int counter = (unsigned int)pwallet->offline_counter;
+
     UniValue address_list(UniValue::VARR);
-    for (unsigned int i = 0; i < 3; i++) {
+    for (unsigned int i = counter; i < counter+3; i++) {
         std::vector<CScript> scripts;
         if (!desc->Expand(i, provider, scripts, provider)) {
             throw JSONRPCError(RPC_WALLET_ERROR, "Could not generate lookahead addresses with descriptor. This is a bug.");