public Task RemoveForkCacheAsync(List <BlockIndex> blockIndexes) { _readCostStrategy.RemoveForkCache(blockIndexes); _writeCostStrategy.RemoveForkCache(blockIndexes); _storageCostStrategy.RemoveForkCache(blockIndexes); _trafficCostStrategy.RemoveForkCache(blockIndexes); _txCostStrategy.RemoveForkCache(blockIndexes); return(Task.CompletedTask); }