Add Nym mixnet warning card on send scene

CHANGELOG.md

@@ -9,6 +9,7 @@
 - added: Nym (NYM) wallet support
 - added: opBNB (BNB) support
 - added: Register SwapKit V3 as a separate exchange plugin
+- added: Warning card on send scene when Nym mixnet is active and transaction is loading
 - changed: Manage tokens scene saves changes on explicit save instead of live toggling
 - changed: Unify split wallet scene titles and add chain-specific descriptions for EVM and UTXO splits
 - fixed: Missing 2-factor approve / deny scene on login

src/components/scenes/SendScene2.tsx

@@ -1,4 +1,5 @@
 import { abs, add, div, gte, lt, lte, mul, sub } from 'biggystring'
+import { asMaybe } from 'cleaners'
 import {
   asMaybeInsufficientFundsError,
   asMaybeNoAmountSpecifiedError,
@@ -100,6 +101,7 @@ import type {
   ExchangedFlipInputAmounts,
   ExchangeFlipInputFields
 } from '../themed/ExchangedFlipInput2'
+import { asPrivateNetworkingSetting } from '../themed/MaybePrivateNetworkingSetting'
 import { PinDots } from '../themed/PinDots'
 import { SafeSlider } from '../themed/SafeSlider'
 import { SendFromFioRows } from '../themed/SendFromFioRows'
@@ -280,6 +282,10 @@ const SendComponent = (props: Props): React.ReactElement => {
   const coreWallet = currencyWallets[walletId]
   const { pluginId, memoOptions = [] } = coreWallet.currencyInfo
 
+  const userSettings = useWatch(coreWallet.currencyConfig, 'userSettings')
+  const isNymActive =
+    asMaybe(asPrivateNetworkingSetting)(userSettings)?.networkPrivacy === 'nym'
+
   // Initialize `spendInfo` from route params, including possible memos
   const [spendInfo, setSpendInfo] = useState<EdgeSpendInfo>(() => {
     if (initSpendInfo == null) return { tokenId: null, spendTargets: [{}] }
@@ -1166,6 +1172,24 @@ const SendComponent = (props: Props): React.ReactElement => {
     )
   }
 
+  const renderNymWarning = (): React.ReactElement | null => {
+    if (!isNymActive || !processingAmountChanged) return null
+
+    return (
+      <EdgeAnim
+        enter={{ type: 'fadeInUp', distance: 60 }}
+        exit={{ type: 'fadeOutDown' }}
+      >
+        <AlertCardUi4
+          type="warning"
+          title={lstrings.settings_nym_mixnet_warning_title}
+          body={lstrings.settings_nym_mixnet_warning_body}
+          marginRem={0.5}
+        />
+      </EdgeAnim>
+    )
+  }
+
   const recordFioObtData = async (
     spendTarget: EdgeSpendTarget,
     currencyCode: string,
@@ -1780,6 +1804,7 @@ const SendComponent = (props: Props): React.ReactElement => {
               {renderScamWarning()}
             </EdgeAnim>
             {renderPendingTransactionWarning()}
+            {renderNymWarning()}
             {renderError()}
             {sliderTopNode}
           </StyledKeyboardAwareScrollView>

src/locales/en_US.ts

@@ -572,6 +572,8 @@ const strings = {
   settings_network_privacy_nym_mixnet: 'Nym Mixnet',
   settings_privacy_settings: 'Privacy Settings',
   settings_nym_mixnet_title: 'Nym Mixnet',
+  settings_nym_mixnet_warning_title: 'Nym mixnet on',
+  settings_nym_mixnet_warning_body: `Protecting your privacy\u2014transaction can take a minute or longer before it's ready to broadcast.`,
   settings_nym_mixnet_description:
     'The Nym mixnet encrypts and routes your internet traffic through a decentralized network of nodes to obfuscate your data and IP address. Note that use of the mixnet may slow down network traffic and delay accurate balances and transactions. Select which services to use with the mixnet:',
   settings_hours: 'Hour(s)',

src/locales/strings/enUS.json

@@ -421,6 +421,8 @@
   "settings_network_privacy_nym_mixnet": "Nym Mixnet",
   "settings_privacy_settings": "Privacy Settings",
   "settings_nym_mixnet_title": "Nym Mixnet",
+  "settings_nym_mixnet_warning_title": "Nym mixnet on",
+  "settings_nym_mixnet_warning_body": "Protecting your privacy—transaction can take a minute or longer before it's ready to broadcast.",
   "settings_nym_mixnet_description": "The Nym mixnet encrypts and routes your internet traffic through a decentralized network of nodes to obfuscate your data and IP address. Note that use of the mixnet may slow down network traffic and delay accurate balances and transactions. Select which services to use with the mixnet:",
   "settings_hours": "Hour(s)",
   "settings_minutes": "Minute(s)",