Updated on 2026-08-14

core/datasource/src/main/java/com/tangem/datasource/api/express/models/response/ExchangeDataResponse.kt

@@ -31,6 +31,9 @@ data class ExchangeDataResponse(
 )
 
 data class TxDetails(
+    @Json(name = "payoutAddress")
+    val payoutAddress: String,
+
     @Json(name = "requestId")
     val requestId: String,
 

features/swap/data/src/main/java/com/tangem/feature/swap/DefaultSwapRepository.kt

@@ -292,6 +292,9 @@ internal class DefaultSwapRepository @Inject constructor(
                     if (txDetails.requestId != requestId) {
                         return@withContext DataError.InvalidRequestIdError().left()
                     }
+                    if (toAddress != txDetails.payoutAddress) {
+                        return@withContext DataError.InvalidPayoutAddressError().left()
+                    }
                     expressDataConverter.convert(
                         ExchangeDataResponseWithTxDetails(
                             dataResponse = response,

features/swap/domain/models/src/main/java/com/tangem/feature/swap/domain/models/DataError.kt

@@ -36,6 +36,8 @@ sealed class DataError {
 
     data class InvalidRequestIdError(override val code: Int = 991) : DataError()
 
+    data class InvalidPayoutAddressError(override val code: Int = 992) : DataError()
+
     object UnknownError : DataError() {
         override val code: Int = -1
     }