validation: allow to specify frequency for -checkblockindex

This makes it similar to -checkaddrman and -checkmempool, which
also allow to run the check occasionally instead of always / never.

Co-authored-by: Ryan Ofsky <ryan@ofsky.org>

1 files changed, 1 insertions, 1 deletions

diff --git a/src/kernel/chainstatemanager_opts.h b/src/kernel/chainstatemanager_opts.h
index de5f78494a..076841c3c9 100644
--- a/src/kernel/chainstatemanager_opts.h
+++ b/src/kernel/chainstatemanager_opts.h
@@ -33,7 +33,7 @@ namespace kernel {
 struct ChainstateManagerOpts {
     const CChainParams& chainparams;
     fs::path datadir;
-    std::optional<bool> check_block_index{};
+    std::optional<int32_t> check_block_index{};
     bool checkpoints_enabled{DEFAULT_CHECKPOINTS_ENABLED};
     //! If set, it will override the minimum work we will assume exists on some valid chain.
     std::optional<arith_uint256> minimum_chain_work{};