protected static extern void CallLevelDbBlockchainStore(IntPtr blockchain, block_type block, StoreBlockHandler handler);
 public void Store(block_type block, StoreBlockHandler handler)
 {
     CallLevelDbBlockchainStore(NativeObject, block, handler);
 }
 protected static extern void CallLevelDbBlockchainImport(IntPtr blockchain, block_type block, UInt32 height, ImportBlockHandler handler);
 public void Import(block_type block, UInt32 height, ImportBlockHandler handler)
 {
     CallLevelDbBlockchainImport(NativeObject, block, height, handler);
 }