From 176d3d5ce19b85f881f5f6825999e04811b862b8 Mon Sep 17 00:00:00 2001
From: Tangem <git@tangem.com>
Date: Thu, 18 Feb 2021 11:34:37 +0300
Subject: [PATCH] Updated on 2026-08-14

---
 .../middlewares/AddressPayIdMiddleware.kt     | 20 ++++++++++++-------
 .../tap/features/send/ui/SendFragment.kt      | 11 +++++++---
 2 files changed, 21 insertions(+), 10 deletions(-)

diff --git a/app/src/main/java/com/tangem/tap/features/send/redux/middlewares/AddressPayIdMiddleware.kt b/app/src/main/java/com/tangem/tap/features/send/redux/middlewares/AddressPayIdMiddleware.kt
index 900c790986..e9beba0bc0 100644
--- a/app/src/main/java/com/tangem/tap/features/send/redux/middlewares/AddressPayIdMiddleware.kt
+++ b/app/src/main/java/com/tangem/tap/features/send/redux/middlewares/AddressPayIdMiddleware.kt
@@ -129,6 +129,9 @@ internal class AddressPayIdMiddleware {
 
         val failReason = isValidBlockchainAddressAndNotTheSameAsWallet(wallet, supposedAddress)
         if (failReason == null) {
+            noSchemeAddress.getQueryParameter("amount")?.let {
+                if (it.isDigitsOnly()) dispatch(AmountAction.SetAmount(it.toBigDecimal(), false))
+            }
             dispatch(SetWalletAddress(supposedAddress, isUserInput))
             dispatch(TransactionExtrasAction.Prepare(wallet.blockchain, address, null))
         } else {
@@ -149,14 +152,10 @@ internal class AddressPayIdMiddleware {
         }
     }
 
-    //TODO: move to the blockchainSDK
-    private fun extractAddressFromShareUri(shareUri: String): String {
-        val sharePrefix = listOf("bitcoin:", "ethereum:", "xrpl:", "litecoin:", "bnb:")
-        val prefixes = sharePrefix.filter { shareUri.contains(it) }
-        return if (prefixes.isEmpty()) shareUri else shareUri.replace(prefixes[0], "")
-    }
-
     private fun String.removeShareUriQuery(): String = this.substringBefore("?")
+    private fun String.getQueryParameter(name: String): String? {
+        return this.substringAfter("?").splitToMap("&", "=")[name]
+    }
 
     private fun verifyClipboard(input: String?, appState: AppState?, dispatch: DispatchFunction) {
         val addressPayId = input ?: return
@@ -184,4 +183,11 @@ internal class AddressPayIdMiddleware {
     private fun isPayIdEnabled(): Boolean {
         return store.state.globalState.configManager?.config?.isSendingToPayIdEnabled ?: false
     }
+}
+
+fun String.splitToMap(firstDelimiter: String, secondDelimiter: String): Map<String, String> {
+    return this.split(firstDelimiter)
+            .map { it.split(secondDelimiter) }
+            .map { it.first() to it.last().toString() }
+            .toMap()
 }
\ No newline at end of file
diff --git a/app/src/main/java/com/tangem/tap/features/send/ui/SendFragment.kt b/app/src/main/java/com/tangem/tap/features/send/ui/SendFragment.kt
index 874e744207..6dae105162 100644
--- a/app/src/main/java/com/tangem/tap/features/send/ui/SendFragment.kt
+++ b/app/src/main/java/com/tangem/tap/features/send/ui/SendFragment.kt
@@ -139,9 +139,14 @@ class SendFragment : BaseStoreFragment(R.layout.fragment_send) {
         val scannedCode = data?.getStringExtra(ScanQrCodeActivity.SCAN_RESULT) ?: ""
         if (scannedCode.isEmpty()) return
 
-        store.dispatch(PasteAddressPayId(scannedCode))
-        store.dispatch(TruncateOrRestore(!etAddressOrPayId.isFocused))
-        store.dispatch(FeeAction.RequestFee)
+        // Delayed launch is needed in order for the UI to be drawn and to process the sent events.
+        // If do not use the delay, then etAmount error field is not displayed when
+        // inserting an incorrect amount by shareUri
+        imvQrCode.postDelayed({
+            store.dispatch(PasteAddressPayId(scannedCode))
+            store.dispatch(TruncateOrRestore(!etAddressOrPayId.isFocused))
+            store.dispatch(FeeAction.RequestFee)
+        }, 200)
     }
 
     private fun setupAmountLayout() {