Keep information about all block files in memory
Keep information about all block files in memory

(cherry picked from commit ed6d1a2c7be9d046d5e78330d5e163023a6b302a)

reddcoin-project/reddcoin,reddcoin-project/reddcoin,reddcoin-project/reddcoin,reddcoin-project/reddcoin,reddcoin-project/reddcoin,reddcoin-project/reddcoin