Caching MR of invalid blocks to avoid lot of warning
Caching MR of invalid blocks to avoid lot of warning

randomshinichi/QRL,cyyber/QRL,jleni/QRL,theQRL/QRL,jleni/QRL,elliottdehn/QRL,theQRL/QRL,randomshinichi/QRL,elliottdehn/QRL,cyyber/QRL,elliottdehn/QRL,elliottdehn/QRL