From f17bd07d67f00f19c59a55c37f4d142a10795985 Mon Sep 17 00:00:00 2001
From: pokkst <pokkst@protonmail.com>
Date: Fri, 16 Sep 2022 23:30:46 -0500
Subject: [PATCH] Parse URIs for amount and address

---
 .../dialog/SendBottomSheetDialog.java         | 28 +++++++++++++++----
 .../com/m2049r/xmrwallet/util/Constants.java  |  3 ++
 2 files changed, 26 insertions(+), 5 deletions(-)

diff --git a/app/src/main/java/com/m2049r/xmrwallet/fragment/dialog/SendBottomSheetDialog.java b/app/src/main/java/com/m2049r/xmrwallet/fragment/dialog/SendBottomSheetDialog.java
index 454f95d..e312cc0 100644
--- a/app/src/main/java/com/m2049r/xmrwallet/fragment/dialog/SendBottomSheetDialog.java
+++ b/app/src/main/java/com/m2049r/xmrwallet/fragment/dialog/SendBottomSheetDialog.java
@@ -29,8 +29,10 @@ import com.m2049r.xmrwallet.model.PendingTransaction;
 import com.m2049r.xmrwallet.model.Wallet;
 import com.m2049r.xmrwallet.service.BalanceService;
 import com.m2049r.xmrwallet.service.TxService;
+import com.m2049r.xmrwallet.util.Constants;
 import com.m2049r.xmrwallet.util.Helper;
 
+import java.util.HashMap;
 import java.util.List;
 
 public class SendBottomSheetDialog extends BottomSheetDialogFragment {
@@ -234,14 +236,30 @@ public class SendBottomSheetDialog extends BottomSheetDialogFragment {
     }
 
     private void pasteAddress(String address) {
-        String modifiedAddress = address.replace("monero:", "").split("\\?")[0];
-        boolean isValid = Wallet.isAddressValid(modifiedAddress);
+        HashMap<String, String> params = new HashMap<>();
+        String[] uriParts = address.replace(Constants.URI_PREFIX, "").split("\\?");
+        String finalAddress = uriParts[0];
+        String queryParams = "";
+        if(uriParts.length > 1) {
+            queryParams = uriParts[1];
+            String[] queryParts = queryParams.split("&");
+            for (String param : queryParts) {
+                String[] paramParts = param.split("=");
+                String variable = paramParts[0];
+                String value = paramParts[1];
+                params.put(variable, value);
+            }
+        }
+        boolean isValid = Wallet.isAddressValid(finalAddress);
         if (isValid) {
-            addressEditText.setText(modifiedAddress);
+            addressEditText.setText(finalAddress);
+            if(!params.isEmpty()) {
+                if(params.containsKey(Constants.URI_ARG_AMOUNT)) {
+                    amountEditText.setText(params.get(Constants.URI_ARG_AMOUNT));
+                }
+            }
         } else {
             Toast.makeText(getActivity(), getString(R.string.send_address_invalid), Toast.LENGTH_SHORT).show();
         }
     }
-
-
 }
\ No newline at end of file
diff --git a/app/src/main/java/com/m2049r/xmrwallet/util/Constants.java b/app/src/main/java/com/m2049r/xmrwallet/util/Constants.java
index c0f0679..114cd4e 100644
--- a/app/src/main/java/com/m2049r/xmrwallet/util/Constants.java
+++ b/app/src/main/java/com/m2049r/xmrwallet/util/Constants.java
@@ -7,4 +7,7 @@ public class Constants {
     public static final String PREF_USES_TOR = "pref_uses_tor";
     public static final String PREF_NIGHT_MODE = "pref_night_mode";
     public static final String PREF_PROXY = "pref_proxy";
+
+    public static final String URI_PREFIX = "monero:";
+    public static final String URI_ARG_AMOUNT = "tx_amount";
 }