From 5d2cf945f3002f2d9695183d1b17faff45470bdf Mon Sep 17 00:00:00 2001
From: WrBug <iwrbug@gmail.com>
Date: Thu, 15 Jan 2026 02:10:49 +0800
Subject: [PATCH] =?UTF-8?q?fix:=20=E4=BF=AE=E5=A4=8D=20AccountOnChainMonit?=
 =?UTF-8?q?orService=20=E4=B8=AD=20JsonNull=20=E5=AF=BC=E8=87=B4=E7=9A=84?=
 =?UTF-8?q?=E5=B4=A9=E6=BA=83?=
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- 增加 receiptRpcResponse.result.isJsonNull 检查
- 防止在链上查询返回 JsonNull 时调用 asJsonObject() 抛出 IllegalStateException
- 优化空值处理逻辑，确保程序安全退出
---
 .../copytrading/monitor/AccountOnChainMonitorService.kt       | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/backend/src/main/kotlin/com/wrbug/polymarketbot/service/copytrading/monitor/AccountOnChainMonitorService.kt b/backend/src/main/kotlin/com/wrbug/polymarketbot/service/copytrading/monitor/AccountOnChainMonitorService.kt
index 6209925..ec8b8a0 100644
--- a/backend/src/main/kotlin/com/wrbug/polymarketbot/service/copytrading/monitor/AccountOnChainMonitorService.kt
+++ b/backend/src/main/kotlin/com/wrbug/polymarketbot/service/copytrading/monitor/AccountOnChainMonitorService.kt
@@ -114,10 +114,10 @@ class AccountOnChainMonitorService(
             }
             
             val receiptRpcResponse = receiptResponse.body()!!
-            if (receiptRpcResponse.error != null || receiptRpcResponse.result == null) {
+            if (receiptRpcResponse.error != null || receiptRpcResponse.result == null || receiptRpcResponse.result.isJsonNull) {
                 return
             }
-            
+
             // 使用 Gson 解析 receipt JSON
             val receiptJson = receiptRpcResponse.result.asJsonObject