Add support for zcash Payment URI

adityapk00 · Mar 3, 2019 · c0d430a · c0d430a
1 parent 54bd6cb
commit c0d430a
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Showing 2 changed files with 23 additions and 2 deletions.
diff --git a/app/src/main/java/com/adityapk/zcash/zqwandroid/QrReaderActivity.kt b/app/src/main/java/com/adityapk/zcash/zqwandroid/QrReaderActivity.kt
@@ -168,7 +168,9 @@ class QrReaderActivity : AppCompatActivity() {
             return
         }
 
-        if (code == REQUEST_ADDRESS && !DataModel.isValidAddress(StringBuilder(barcodeInfo).toString())) {
+        if (code == REQUEST_ADDRESS &&
+            !DataModel.isValidAddress(StringBuilder(barcodeInfo).toString()) &&
+            !barcodeInfo.startsWith("zcash:")) {
             Log.i(TAG, "Not an address")
             var err = barcodeInfo
             if (err.length > 48) {

diff --git a/app/src/main/java/com/adityapk/zcash/zqwandroid/SendActivity.kt b/app/src/main/java/com/adityapk/zcash/zqwandroid/SendActivity.kt
@@ -192,11 +192,30 @@ class SendActivity : AppCompatActivity() {
         alertDialog.show()
     }
 
+    private fun Double.format(digits: Int): String? = java.lang.String.format("%.${digits}f", this)
+
     override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?) {
         when (requestCode) {
             QrReaderActivity.REQUEST_ADDRESS -> {
                 if (resultCode == Activity.RESULT_OK) {
-                    sendAddress.setText(data?.dataString ?: "nothing", TextView.BufferType.EDITABLE)
+                    if (data?.scheme == "zcash") {
+                        sendAddress.setText(data.data?.host ?: "", TextView.BufferType.EDITABLE)
+
+                        val amt = data.data?.getQueryParameter("amt") ?:
+                                    data.data?.getQueryParameter("amount")
+                        if (amt != null) {
+                            val amtUsd = amt.toDouble() * (DataModel.mainResponseData?.zecprice ?: 0.0)
+                            amountUSD.setText(amtUsd.format(2))
+                            amountZEC.text = "${DataModel.mainResponseData?.tokenName} $amt"
+                        }
+
+                        val memo = data.data?.getQueryParameter("memo")
+                        if (memo != null) {
+                            txtSendMemo.setText(memo)
+                        }
+                    } else {
+                        sendAddress.setText(data?.dataString ?: "", TextView.BufferType.EDITABLE)
+                    }
 
                     amountUSD.requestFocus()
                     val imm = getSystemService(Context.INPUT_METHOD_SERVICE) as InputMethodManager