rpc: add a flush_cache RPC

This allows flushing internal caches (for now, the bad tx cache,
which will allow debugging a stuck monerod after it has failed to
verify a transaction in a block, since it would otherwise not try
again, making subsequent log changes pointless)

2 files changed, 13 insertions, 0 deletions

diff --git a/src/cryptonote_core/cryptonote_core.cpp b/src/cryptonote_core/cryptonote_core.cpp
index 5a303a67e..acb494a49 100644
--- a/src/cryptonote_core/cryptonote_core.cpp
+++ b/src/cryptonote_core/cryptonote_core.cpp
@@ -1911,6 +1911,14 @@ namespace cryptonote
     return true;
   }
   //-----------------------------------------------------------------------------------------------
+  void core::flush_bad_txs_cache()
+  {
+    bad_semantics_txes_lock.lock();
+    for (int idx = 0; idx < 2; ++idx)
+      bad_semantics_txes[idx].clear();
+    bad_semantics_txes_lock.unlock();
+  }
+  //-----------------------------------------------------------------------------------------------
   bool core::update_blockchain_pruning()
   {
     return m_blockchain_storage.update_blockchain_pruning();
diff --git a/src/cryptonote_core/cryptonote_core.h b/src/cryptonote_core/cryptonote_core.h
index 0db6350be..f69ac3509 100644
--- a/src/cryptonote_core/cryptonote_core.h
+++ b/src/cryptonote_core/cryptonote_core.h
@@ -839,6 +839,11 @@ namespace cryptonote
       */
      bool has_block_weights(uint64_t height, uint64_t nblocks) const;
 
+     /**
+      * @brief flushes the bad txs cache
+      */
+     void flush_bad_txs_cache();
+
    private:
 
      /**