From c6b89953f9ef5a7d97c8be61a3f66f6460020549 Mon Sep 17 00:00:00 2001
From: Konstantin Munichev <konstantin.munichev@neclab.eu>
Date: Wed, 20 Jul 2022 15:58:37 +0200
Subject: [PATCH] Catch exceptions on the server side

---
 .../src/main/kotlin/fabric/FabricConnector.kt | 23 ++++++++++++++-----
 1 file changed, 17 insertions(+), 6 deletions(-)

diff --git a/src/dlt/gateway/src/main/kotlin/fabric/FabricConnector.kt b/src/dlt/gateway/src/main/kotlin/fabric/FabricConnector.kt
index 402741649..53e88a56f 100644
--- a/src/dlt/gateway/src/main/kotlin/fabric/FabricConnector.kt
+++ b/src/dlt/gateway/src/main/kotlin/fabric/FabricConnector.kt
@@ -119,13 +119,18 @@ class FabricConnector(val config: Config.DltConfig) {
     fun putData(record: DltRecord): String {
         println(record.toString())
         println("Put: ${record.toByteArray().decodeToString().length}")
-        return String(
+
+        try {
             contract.submitTransaction(
                 "AddRecord",
                 record.recordId.recordUuid.uuid,
                 record.toByteArray().decodeToString()
             )
-        )
+        } catch (e: Exception) {
+            println(e.toString())
+            return e.toString()
+        }
+        return ""
     }
 
     fun getData(uuid: String): DltRecord {
@@ -135,22 +140,28 @@ class FabricConnector(val config: Config.DltConfig) {
     }
 
     fun updateData(record: DltRecord): String {
-        return String(
+        try {
             contract.submitTransaction(
                 "UpdateRecord",
                 record.recordId.recordUuid.uuid,
                 record.toByteArray().decodeToString()
             )
-        )
+        } catch (e: Exception) {
+            return e.toString()
+        }
+        return ""
     }
 
     fun deleteData(record: DltRecord): String {
-        return String(
+        try {
             contract.submitTransaction(
                 "DeleteRecord",
                 record.recordId.recordUuid.uuid,
             )
-        )
+        } catch (e: Exception) {
+            return e.toString()
+        }
+        return ""
     }
 
     fun subscribeForEvents(): Channel<DltRecordEvent> {
-- 
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