2 files changed, 24 insertions, 2 deletions
diff --git a/src/cryptonote_core/blockchain_storage.cpp b/src/cryptonote_core/blockchain_storage.cpp
index e47c35ea5..932733c3b 100644
--- a/src/cryptonote_core/blockchain_storage.cpp
+++ b/src/cryptonote_core/blockchain_storage.cpp
@@ -88,7 +88,25 @@ bool blockchain_storage::init(const std::string& config_folder)
   m_config_folder = config_folder;
   LOG_PRINT_L0("Loading blockchain...");
   const std::string filename = m_config_folder + "/" CRYPTONOTE_BLOCKCHAINDATA_FILENAME;
-  if(!tools::unserialize_obj_from_file(*this, filename))
+  if(tools::unserialize_obj_from_file(*this, filename))
+  {
+
+      // checkpoints
+      
+      // mainchain
+      for (size_t height=0; height < m_blocks.size(); ++height) 
+      {
+          CHECK_AND_ASSERT_MES(m_checkpoints.is_in_checkpoint_zone(height) && m_checkpoints.check_block(height,get_block_hash(m_blocks[height].bl)),false,"checkpoint fail, blockchain.bin invalid");
+      }
+
+      // check alt chains
+      BOOST_FOREACH(blocks_ext_by_hash::value_type& alt_block, m_alternative_chains)
+      {
+	CHECK_AND_ASSERT_MES(m_checkpoints.is_alternative_block_allowed(m_blocks.size()-1,alt_block.second.height),false,"stored alternative block not allowed, blockchain.bin invalid");
+      }
+
+  }
+  else
   {
       LOG_PRINT_L0("Can't load blockchain storage from file, generating genesis block.");
       block bl = boost::value_initialized<block>();
@@ -743,7 +761,7 @@ bool blockchain_storage::handle_alternative_block(const block& b, const crypto::
     return false;
   }
 
-  //block is not related with head of main chain
+  //Block is not related with head of main chain
   //first of all - look in alternative chains container
   auto it_main_prev = m_blocks_index.find(b.prev_id);
   auto it_prev = m_alternative_chains.find(b.prev_id);
diff --git a/src/cryptonote_core/checkpoints_create.h b/src/cryptonote_core/checkpoints_create.h
index 932f31da0..fe77ccd0d 100644
--- a/src/cryptonote_core/checkpoints_create.h
+++ b/src/cryptonote_core/checkpoints_create.h
@@ -42,6 +42,10 @@ namespace cryptonote {
     ADD_CHECKPOINT(29556, "53c484a8ed91e4da621bb2fa88106dbde426fe90d7ef07b9c1e5127fb6f3a7f6");
     ADD_CHECKPOINT(50000, "0fe8758ab06a8b9cb35b7328fd4f757af530a5d37759f9d3e421023231f7b31c");
     ADD_CHECKPOINT(80000, "a62dcd7b536f22e003ebae8726e9e7276f63d594e264b6f0cd7aab27b66e75e3");
+    ADD_CHECKPOINT(202212, "bbd604d2ba11ba27935e006ed39c9bfdd99b76bf4a50654bc1e1e61217962698");
+    ADD_CHECKPOINT(202213, "44c921da50148949853df082c16f5f8e603ab2f9d599c8aee0f0a3f4abc4fb09"); // from chainradar; verify this
+    ADD_CHECKPOINT(202214, "043ce17bab57777d04423a65fd60487d02750cbdef11192dca97f1fa6dae654c"); // from chainradar; verify this
+    ADD_CHECKPOINT(205000, "5d3d7a26e6dc7535e34f03def711daa8c263785f73ec1fadef8a45880fde8063"); // from chainradar; verify this
     return true;
   }
 }