Updated on 2026-08-14

core/datasource/src/main/java/com/tangem/datasource/api/tangemTech/TangemTechApi.kt

@@ -172,4 +172,13 @@ interface TangemTechApi {
         @Header("Cache-Control") cacheControl: String = "max-age=600",
     ): ApiResponse<PromoBannerResponse>
     // endregion
+
+    /**
+     * Stores transaction hash in cache to prevent duplicate push
+     * notifications for yield operations (deposit, withdraw, send).
+     * Used when yield operations generate intermediate transactions
+     * that should not trigger notifications.
+     */
+    @POST("v1/transaction-events")
+    suspend fun transactionEvents(@Body name: TransactionEventBody): ApiResponse<Unit>
 }

core/datasource/src/main/java/com/tangem/datasource/api/tangemTech/models/TransactionEventBody.kt

@@ -0,0 +1,23 @@
+package com.tangem.datasource.api.tangemTech.models
+
+import com.squareup.moshi.Json
+import com.squareup.moshi.JsonClass
+
+@JsonClass(generateAdapter = true)
+data class TransactionEventBody(
+    @Json(name = "transactionId") val transactionId: String,
+    @Json(name = "operationType") val operationType: OperationType,
+)
+
+@JsonClass(generateAdapter = false)
+enum class OperationType {
+
+    @Json(name = "YIELD_DEPOSIT")
+    YIELD_DEPOSIT,
+
+    @Json(name = "YIELD_WITHDRAW")
+    YIELD_WITHDRAW,
+
+    @Json(name = "YIELD_SEND")
+    YIELD_SEND,
+}