Add z_listreceivedbyaddress RPC call

src/wallet/rpcwallet.cpp

@@ -2886,6 +2886,67 @@ CAmount getBalanceZaddr(std::string address, size_t minDepth = 1) {
 }
 
 
+Value z_listreceivedbyaddress(const Array& params, bool fHelp)
+{
+    if (!EnsureWalletIsAvailable(fHelp))
+        return Value::null;
+
+    if (fHelp || params.size()==0 || params.size() >2)
+        throw runtime_error(
+            "z_listreceivedbyaddress \"address\" ( minconf )\n"
+            "\nReturn a list of amounts received by a zaddr belonging to the node’s wallet.\n"
+            "\nArguments:\n"
+            "1. \"address\"      (string) The private address.\n"
+            "2. minconf          (numeric, optional, default=1) Only include transactions confirmed at least this many times.\n"
+            "\nResult:\n"
+            "{\n"
+            "  \"txid\": xxxxx,     (string) the transaction id\n"
+            "  \"amount\": xxxxx,   (numeric) the amount of value in the note\n"
+            "  \"memo\": xxxxx,     (string) hexademical string representation of memo field\n"
+            "}\n"
+        );
+
+    LOCK2(cs_main, pwalletMain->cs_wallet);
+
+    int nMinDepth = 1;
+    if (params.size() > 1) {
+        nMinDepth = params[1].get_int();
+    }
+    if (nMinDepth < 0) {
+        throw JSONRPCError(RPC_INVALID_PARAMETER, "Minimum number of confirmations cannot be less than 0");
+    }
+    
+    // Check that the from address is valid.
+    auto fromaddress = params[0].get_str();
+
+    libzcash::PaymentAddress zaddr;
+    CZCPaymentAddress address(fromaddress);
+    try {
+        zaddr = address.Get();
+    } catch (std::runtime_error) {
+        throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Invalid zaddr.");
+    }
+
+    if (!pwalletMain->HaveSpendingKey(zaddr)) {
+        throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "From address does not belong to this node, zaddr spending key not found.");
+    }
+    
+    
+    Array result;
+    std::vector<CNotePlaintextEntry> entries;
+    pwalletMain->GetFilteredNotes(entries, fromaddress, nMinDepth, false);
+    for (CNotePlaintextEntry & entry : entries) {
+        Object obj;
+        obj.push_back(Pair("txid",entry.jsop.hash.ToString()));
+        obj.push_back(Pair("amount", ValueFromAmount(CAmount(entry.plaintext.value))));
+        std::string data(entry.plaintext.memo.begin(), entry.plaintext.memo.end());
+        obj.push_back(Pair("memo", HexStr(data)));
+        result.push_back(obj);
+    }
+    return result;
+}
+
+
 Value z_getbalance(const Array& params, bool fHelp)
 {
     if (!EnsureWalletIsAvailable(fHelp))