Fix hf when import with verify off

Delete the hf tables, so the next open will rescan and regenerate

src/blockchain_db/berkeleydb/db_bdb.cpp

@@ -2150,6 +2150,11 @@ uint64_t BlockchainBDB::get_hard_fork_starting_height(uint8_t version) const
     return result;
 }
 
+void BlockchainBDB::check_hard_fork_info()
+{
+	/* FIXME: Some other time */
+}
+
 void BlockchainBDB::set_hard_fork_version(uint64_t height, uint8_t version)
 {
     LOG_PRINT_L3("BlockchainBDB::" << __func__);

src/blockchain_db/berkeleydb/db_bdb.h

@@ -375,6 +375,7 @@ class BlockchainBDB : public BlockchainDB
   virtual uint64_t get_hard_fork_starting_height(uint8_t version) const;
   virtual void set_hard_fork_version(uint64_t height, uint8_t version);
   virtual uint8_t get_hard_fork_version(uint64_t height) const;
+  virtual void check_hard_fork_info();
 
   /**
    * @brief convert a tx output to a blob for storage

src/blockchain_db/blockchain_db.h

@@ -502,6 +502,7 @@ class BlockchainDB
   virtual uint64_t get_hard_fork_starting_height(uint8_t version) const = 0;
   virtual void set_hard_fork_version(uint64_t height, uint8_t version) = 0;
   virtual uint8_t get_hard_fork_version(uint64_t height) const = 0;
+  virtual void check_hard_fork_info() = 0;
 
   virtual bool is_read_only() const = 0;
 

src/blockchain_db/lmdb/db_lmdb.cpp

@@ -2434,6 +2434,27 @@ void BlockchainLMDB::get_output_tx_and_index(const uint64_t& amount, const std::
   LOG_PRINT_L3("db3: " << db3);
 }
 
+void BlockchainLMDB::check_hard_fork_info()
+{
+  LOG_PRINT_L3("BlockchainLMDB::" << __func__);
+  check_open();
+
+  TXN_PREFIX(0);
+
+  MDB_stat db_stat1, db_stat2;
+  if (mdb_stat(*txn_ptr, m_blocks, &db_stat1))
+    throw0(DB_ERROR("Failed to query m_blocks"));
+  if (mdb_stat(*txn_ptr, m_hf_versions, &db_stat2))
+    throw0(DB_ERROR("Failed to query m_hf_starting_heights"));
+  if (db_stat1.ms_entries != db_stat2.ms_entries)
+  {
+    mdb_drop(*txn_ptr, m_hf_starting_heights, 1);
+    mdb_drop(*txn_ptr, m_hf_versions, 1);
+  }
+
+  TXN_POSTFIX_SUCCESS();
+}
+
 void BlockchainLMDB::set_hard_fork_starting_height(uint8_t version, uint64_t height)
 {
   LOG_PRINT_L3("BlockchainLMDB::" << __func__);

src/blockchain_db/lmdb/db_lmdb.h

@@ -235,6 +235,7 @@ class BlockchainLMDB : public BlockchainDB
   virtual uint64_t get_hard_fork_starting_height(uint8_t version) const;
   virtual void set_hard_fork_version(uint64_t height, uint8_t version);
   virtual uint8_t get_hard_fork_version(uint64_t height) const;
+  virtual void check_hard_fork_info();
 
   /**
    * @brief convert a tx output to a blob for storage

src/blockchain_utilities/fake_core.h

@@ -83,6 +83,7 @@ struct fake_core_lmdb
   }
   ~fake_core_lmdb()
   {
+    m_storage.get_db().check_hard_fork_info();
     m_storage.deinit();
   }