1 files changed, 63 insertions, 0 deletions
diff --git a/wallet/src/main/java/net/taler/wallet/backend/ApiResponse.kt b/wallet/src/main/java/net/taler/wallet/backend/ApiResponse.kt
new file mode 100644
index 0000000..def4668
--- /dev/null
+++ b/wallet/src/main/java/net/taler/wallet/backend/ApiResponse.kt
@@ -0,0 +1,63 @@
+/*
+ * This file is part of GNU Taler
+ * (C) 2023 Taler Systems S.A.
+ *
+ * GNU Taler is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU General Public License as published by the Free Software
+ * Foundation; either version 3, or (at your option) any later version.
+ *
+ * GNU Taler is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
+ * A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * GNU Taler; see the file COPYING.  If not, see <http://www.gnu.org/licenses/>
+ */
+
+package net.taler.wallet.backend
+
+import kotlinx.serialization.SerialName
+import kotlinx.serialization.Serializable
+import kotlinx.serialization.json.JsonObject
+import net.taler.wallet.events.ObservabilityEvent
+
+@Serializable
+sealed class ApiMessage {
+
+    @Serializable
+    @SerialName("notification")
+    data class Notification(
+        val payload: NotificationPayload,
+    ) : ApiMessage()
+
+}
+
+@Serializable
+data class NotificationPayload(
+    val type: String,
+    val id: String? = null,
+    val event: ObservabilityEvent? = null,
+)
+
+@Serializable
+sealed class ApiResponse : ApiMessage() {
+
+    abstract val id: Int
+    abstract val operation: String
+
+    @Serializable
+    @SerialName("response")
+    data class Response(
+        override val id: Int,
+        override val operation: String,
+        val result: JsonObject,
+    ) : ApiResponse()
+
+    @Serializable
+    @SerialName("error")
+    data class Error(
+        override val id: Int,
+        override val operation: String,
+        val error: JsonObject,
+    ) : ApiResponse()
+}