From 21ff5e665661a142d5ccac161b42062c4c7e4422 Mon Sep 17 00:00:00 2001
From: erhant <erhany96@gmail.com>
Date: Tue, 23 Jun 2026 16:46:56 +0300
Subject: [PATCH] fix: better start/stop

---
 flake.lock                      | 20 ++++++++++----------
 src/lez_explorer_ui_backend.cpp |  6 +++++-
 2 files changed, 15 insertions(+), 11 deletions(-)

diff --git a/flake.lock b/flake.lock
index 23c0109..a3d988a 100644
--- a/flake.lock
+++ b/flake.lock
@@ -21,11 +21,11 @@
         "logos-module-builder": "logos-module-builder_4"
       },
       "locked": {
-        "lastModified": 1782215779,
-        "narHash": "sha256-x9L1jcK6XfVl40tsqpfrdERLmuGaEDBsFYzNIDdiZPM=",
+        "lastModified": 1782222303,
+        "narHash": "sha256-T//08rBmSvOOhvZZ5if8Gnaq1okEuSGt2ASym1eDyPY=",
         "ref": "erhant/migr-to-logos-module-builder-update-LEZ",
-        "rev": "b5a283124a909854eba695ed213356269b45b414",
-        "revCount": 45,
+        "rev": "06396d7aeccdd7c3e7310c5acf4e687c12109052",
+        "revCount": 47,
         "type": "git",
         "url": "https://github.com/logos-blockchain/lez-indexer-module"
       },
@@ -2013,16 +2013,16 @@
         "rust-rapidsnark": "rust-rapidsnark"
       },
       "locked": {
-        "lastModified": 1782215206,
-        "narHash": "sha256-BKwz2qgH2Mu1fSCooc203iYOcxBREcjLnFDF07Ro/H0=",
-        "ref": "erhant/fix-indexer-ffi",
-        "rev": "84c84d885af1f6ccf3ae76a99d93183dbdc3a925",
-        "revCount": 2778,
+        "lastModified": 1782219627,
+        "narHash": "sha256-mF9P5483XSGudP69VWlCeRTYFocklDwHGvPNujnDxTM=",
+        "ref": "main",
+        "rev": "a9df90c5b655446708395c99f627834eb822c48d",
+        "revCount": 2790,
         "type": "git",
         "url": "https://github.com/logos-blockchain/logos-execution-zone"
       },
       "original": {
-        "ref": "erhant/fix-indexer-ffi",
+        "ref": "main",
         "type": "git",
         "url": "https://github.com/logos-blockchain/logos-execution-zone"
       }
diff --git a/src/lez_explorer_ui_backend.cpp b/src/lez_explorer_ui_backend.cpp
index 5b8afec..888fa1b 100644
--- a/src/lez_explorer_ui_backend.cpp
+++ b/src/lez_explorer_ui_backend.cpp
@@ -35,7 +35,7 @@ constexpr quint64 kGapRebuildThreshold = 8;
 const char* const kDefaultConfig = R"JSON({
     "consensus_info_polling_interval": "1s",
     "bedrock_config": {
-        "addr": "http://localhost:8080",
+        "addr": "http://localhost:18080",
         "backoff": {
             "start_delay": "100ms",
             "max_retries": 5
@@ -588,6 +588,10 @@ QString LezExplorerUiBackend::readConfigFile() const
 
 bool LezExplorerUiBackend::startIndexerFromFile()
 {
+    // start_indexer is idempotent and won't restart a running indexer, so stop
+    // any current one first — this is what lets a re-saved config (e.g. a new
+    // bedrock addr) actually take effect. No-op on the first start.
+    modules().lez_indexer_module.stop_indexer();
     const qlonglong code = modules().lez_indexer_module.start_indexer(configFilePath());
     if (code != 0) {
         emit error(QStringLiteral("start_indexer failed (code %1)").arg(code));