Catch LevelDB errors during flush

Rebased-From: e41345790f1041f5c5e5605d73a0af174769aa55
Github-Pull: #5597

1 files changed, 4 insertions, 0 deletions

diff --git a/src/main.cpp b/src/main.cpp
index cf2d07604f..5e1be0d25c 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -1805,6 +1805,7 @@ enum FlushStateMode {
 bool static FlushStateToDisk(CValidationState &state, FlushStateMode mode) {
     LOCK(cs_main);
     static int64_t nLastWrite = 0;
+    try {
     if ((mode == FLUSH_STATE_ALWAYS) ||
         ((mode == FLUSH_STATE_PERIODIC || mode == FLUSH_STATE_IF_NEEDED) && pcoinsTip->GetCacheSize() > nCoinCacheSize) ||
         (mode == FLUSH_STATE_PERIODIC && GetTimeMicros() > nLastWrite + DATABASE_WRITE_INTERVAL * 1000000)) {
@@ -1845,6 +1846,9 @@ bool static FlushStateToDisk(CValidationState &state, FlushStateMode mode) {
         }
         nLastWrite = GetTimeMicros();
     }
+    } catch (const std::runtime_error& e) {
+        return state.Abort(std::string("System error while flushing: ") + e.what());
+    }
     return true;
 }