// this method is thread safe
// it should be called periodically by a behaviour
// that is in charge of keeping the chin in sync
public void SaveToDisk(bool force = false)
{
saveLock.Lock(() => force || this.ChainIndex.Tip.Height > savedHeight, () =>
{
using (var file = File.OpenWrite(this.Context.Config.File("headers.dat")))
{
this.ChainIndex.WriteTo(file);
}
this.savedHeight = this.ChainIndex.Tip.Height;
});
}