Add sapling account counter to getwalletinfo

src/wallet/rpcwallet.cpp

@@ -2810,6 +2810,7 @@ UniValue getwalletinfo(const UniValue& params, bool fHelp, const CPubKey& mypk)
 
     LOCK2(cs_main, pwalletMain->cs_wallet);
 
+    const CHDChain& hdChain = pwalletMain->GetHDChain();
     UniValue obj(UniValue::VOBJ);
     obj.push_back(Pair("walletversion", pwalletMain->GetVersion()));
     obj.push_back(Pair("balance",       ValueFromAmount(pwalletMain->GetBalance())));
@@ -2818,6 +2819,7 @@ UniValue getwalletinfo(const UniValue& params, bool fHelp, const CPubKey& mypk)
     obj.push_back(Pair("txcount",       (int)pwalletMain->mapWallet.size()));
     obj.push_back(Pair("keypoololdest", pwalletMain->GetOldestKeyPoolTime()));
     obj.push_back(Pair("keypoolsize",   (int)pwalletMain->GetKeyPoolSize()));
+    obj.push_back(Pair("saplingAccountCounter", (int)hdChain.saplingAccountCounter));
     if (pwalletMain->IsCrypted())
         obj.push_back(Pair("unlocked_until", nWalletUnlockTime));
     obj.push_back(Pair("paytxfee",      ValueFromAmount(payTxFee.GetFeePerK())));