public async Task InitializeAsync(long initialHeight, byte historyDepth)
{
List <Block> lastBlocks = null;
await _dbContextFactory.ExecuteAsync(async (DatabaseContext context) =>
{
lastBlocks = await context.Blocks
.Where(x => x.Status == BlockStatus.Valid)
.OrderByDescending(x => x.Height)
.Take(historyDepth)
.ToListAsync();
});
var tipBlock = lastBlocks.FirstOrDefault();
if (tipBlock == null)
{
// TODO: no blocks in database we need to initialize from blockchain
}
_tipHeight = tipBlock.Height;
_tipHash = tipBlock.Id;
_history = lastBlocks.Select(x => x.Id).Reverse().ToList();
}