Bugfix/prevent empty trc20 swap

.changeset/rude-dryers-cheer.md

@@ -0,0 +1,8 @@
+---
+"@ledgerhq/types-live": patch
+"ledger-live-desktop": patch
+"live-mobile": patch
+"@ledgerhq/live-common": patch
+---
+
+prevent TRC20 swaps if empty tron account

apps/ledger-live-desktop/src/renderer/screens/exchange/Swap2/Form/index.tsx

@@ -5,7 +5,10 @@ import {
   usePageState,
   useSwapTransaction,
 } from "@ledgerhq/live-common/exchange/swap/hooks/index";
-import { maybeTezosAccountUnrevealedAccount } from "@ledgerhq/live-common/exchange/swap/index";
+import {
+  maybeTezosAccountUnrevealedAccount,
+  maybeTronEmptyAccount,
+} from "@ledgerhq/live-common/exchange/swap/index";
 import { OnNoRatesCallback } from "@ledgerhq/live-common/exchange/swap/types";
 import { getProviderName } from "@ledgerhq/live-common/exchange/swap/utils/index";
 import {
@@ -65,6 +68,7 @@ const SwapForm = () => {
   const accounts = useSelector(shallowAccountsSelector);
   const exchangeRate = useSelector(rateSelector);
   const walletApiPartnerList = useFeature("swapWalletApiPartnerList");
+  const ptxSwapReceiveTRC20WithoutTrx = useFeature("ptxSwapReceiveTRC20WithoutTrx");
   const swapDefaultTrack = useGetSwapTrackingProperties();
 
   const setExchangeRate: SetExchangeRateCallback = useCallback(
@@ -115,7 +119,8 @@ const SwapForm = () => {
   const swapError =
     swapTransaction.fromAmountError ||
     exchangeRatesState?.error ||
-    maybeTezosAccountUnrevealedAccount(swapTransaction);
+    maybeTezosAccountUnrevealedAccount(swapTransaction) ||
+    (ptxSwapReceiveTRC20WithoutTrx?.enabled ? maybeTronEmptyAccount(swapTransaction) : undefined);
   const swapWarning = swapTransaction.fromAmountWarning;
   const pageState = usePageState(swapTransaction, swapError);
   const provider = useMemo(() => exchangeRate?.provider, [exchangeRate?.provider]);

apps/ledger-live-desktop/static/i18n/en/app.json

@@ -6105,6 +6105,9 @@
     },
     "TezosUnrevealedAccount": {
       "title": "Swap unavailable: Initial send/delegate needed with Tezos account or change pair."
+    },
+    "newAddressTRC20": {
+      "title": "You first need to send at least 0.1 TRX to this address to activate it."
     }
   },
   "cryptoOrg": {

apps/ledger-live-mobile/src/screens/Swap/Form/index.tsx

@@ -43,6 +43,7 @@ import type { DetailsSwapParamList } from "../types";
 import {
   getAvailableProviders,
   maybeTezosAccountUnrevealedAccount,
+  maybeTronEmptyAccount,
 } from "@ledgerhq/live-common/exchange/swap/index";
 import { DEFAULT_SWAP_RATES_LLM_INTERVAL_MS } from "@ledgerhq/live-common/exchange/swap/const/timeout";
 import { useSelectedSwapRate } from "./useSelectedSwapRate";
@@ -71,6 +72,7 @@ export function SwapForm({
   );
 
   const walletApiPartnerList = useFeature("swapWalletApiPartnerList");
+  const ptxSwapReceiveTRC20WithoutTrx = useFeature("ptxSwapReceiveTRC20WithoutTrx");
   const navigation = useNavigation<Navigation["navigation"]>();
 
   const onNoRates: OnNoRatesCallback = useCallback(
@@ -139,7 +141,9 @@ export function SwapForm({
   const swapError =
     swapTransaction.fromAmountError ||
     exchangeRatesState?.error ||
-    maybeTezosAccountUnrevealedAccount(swapTransaction);
+    maybeTezosAccountUnrevealedAccount(swapTransaction) ||
+    (ptxSwapReceiveTRC20WithoutTrx?.enabled ? maybeTronEmptyAccount(swapTransaction) : undefined);
+
   const swapWarning = swapTransaction.fromAmountWarning;
   const pageState = usePageState(swapTransaction, swapError || swapWarning);
 

libs/ledger-live-common/src/exchange/swap/index.ts

@@ -20,6 +20,7 @@ import initSwap from "./initSwap";
 import { postSwapAccepted, postSwapCancelled } from "./postSwapState";
 import getExchangeRates from "./getExchangeRates";
 import { maybeTezosAccountUnrevealedAccount } from "./maybeTezosAccountUnrevealedAccount";
+import { maybeTronEmptyAccount } from "./maybeTronEmptyAccount";
 
 export { getAvailableProviders } from "../providers";
 
@@ -140,6 +141,7 @@ export {
   postSwapAccepted,
   getExchangeRates,
   maybeTezosAccountUnrevealedAccount,
+  maybeTronEmptyAccount,
   postSwapCancelled,
   initSwap,
   USStates,

libs/ledger-live-common/src/exchange/swap/maybeTronEmptyAccount.ts

@@ -0,0 +1,13 @@
+import { SwapTransactionType } from "./types";
+
+export const maybeTronEmptyAccount = (swapTransaction: SwapTransactionType): Error | undefined => {
+  if (
+    swapTransaction?.swap?.to?.currency?.type === "TokenCurrency" &&
+    swapTransaction?.swap?.to?.currency?.tokenType === "trc20" &&
+    swapTransaction?.swap?.to?.parentAccount?.balance.lt(100_000)
+  ) {
+    const tezosError = new Error("Cannot swap with an empty TRON account");
+    tezosError.name = "newAddressTRC20";
+    return tezosError;
+  }
+};

libs/ledger-live-common/src/featureFlags/defaultFeatures.ts

@@ -93,6 +93,7 @@ export const DEFAULT_FEATURES: Features = {
   multibuyNavigation: DEFAULT_FEATURE,
   ptxServiceCtaExchangeDrawer: DEFAULT_FEATURE,
   ptxServiceCtaScreens: DEFAULT_FEATURE,
+  ptxSwapReceiveTRC20WithoutTrx: DEFAULT_FEATURE,
   disableNftLedgerMarket: DEFAULT_FEATURE,
   disableNftRaribleOpensea: DEFAULT_FEATURE,
   disableNftSend: DEFAULT_FEATURE,

libs/ledgerjs/packages/types-live/src/feature.ts

@@ -168,6 +168,7 @@ export type Features = CurrencyFeatures & {
   ptxSwapMoonpayProvider: Feature_PtxSwapMoonpayProvider;
   ptxSwapExodusProvider: Feature_PtxSwapExodusProvider;
   ptxSwapThorswapProvider: Feature_PtxSwapThorswapProvider;
+  ptxSwapReceiveTRC20WithoutTrx: Feature_PtxSwapReceiveTRC20WithoutTrx;
   flexibleContentCards: Feature_FlexibleContentCards;
   llmAnalyticsOptInPrompt: Feature_LlmAnalyticsOptInPrompt;
   lldAnalyticsOptInPrompt: Feature_LldAnalyticsOptInPrompt;
@@ -492,6 +493,7 @@ export type Feature_BrazeLearn = DefaultFeature;
 export type Feature_PtxSwapMoonpayProvider = DefaultFeature;
 export type Feature_PtxSwapExodusProvider = DefaultFeature;
 export type Feature_PtxSwapThorswapProvider = DefaultFeature;
+export type Feature_PtxSwapReceiveTRC20WithoutTrx = DefaultFeature;
 export type Feature_FlexibleContentCards = DefaultFeature;
 export type Feature_MyLedgerDisplayAppDeveloperName = DefaultFeature;
 export type Feature_SupportDeviceEuropa = DefaultFeature;