add memo as hex and str to z_listreceivedaddress

src/wallet/rpchushwallet.cpp

@@ -202,8 +202,19 @@ void zsTxReceivedToJSON(const CWalletTx& wtx, UniValue& received, CAmount& total
 
           if (pt) {
             auto note = pt.get();
+            auto pt_unwrapped = pt.get();
+            auto memo = pt_unwrapped.memo();
             obj.push_back(Pair("address",EncodePaymentAddress(addr)));
             obj.push_back(Pair("amount", ValueFromAmount(CAmount(note.value()))));
+            obj.push_back(Pair("memo", HexStr(memo)));
+
+              if (memo[0] <= 0xf4) {
+                  auto end = std::find_if(memo.rbegin(), memo.rend(), [](unsigned char v) { return v != 0; });
+                  std::string memoStr(memo.begin(), end.base());
+                if (utf8::is_valid(memoStr)) {
+                obj.push_back(Pair("memoStr", memoStr));
+            }
+        }
             obj.push_back(Pair("shieldedOutputIndex",i));
 
             //Check Change Status

src/wallet/rpcwallet.cpp

@@ -3401,6 +3401,8 @@ UniValue z_listreceivedaddress(const UniValue& params, bool fHelp,const CPubKey&
         "       \"saplingReceived\": [{               An Array of utxos/notes received for sapling addresses\n"
         "           \"address\": \"zeroaddress\",         (string) Shielded address (z-address)\n"
         "           \"amount\": x.xxxx,                 (numeric) Value of output being received " + CURRENCY_UNIT + ", positive for receives\n"
+        "           \"memo\": xxxxx,            (string) hexademical string representation of memo field\n"
+        "           \"memoStr\" : \"memo\",             (string) Only returned if memo contains valid UTF-8 text.\n"
         "           \"sheildedOutputIndex\": n,         (numeric) The index of the ShieledOutput\n"
         "           \"change\": true/false              (string) The note is change. This can result from sending funds\n"
         "                                                        to the same address they came from, or incomplete useage\n"