A Caching-Enabled Permissioned Blockchain Scheme for Industrial Internet of Things Based on Deep Reinforcement Learning

Algorithm 1

Append new block header.

Require: New Block header , Blockchain , State Database

1:  the last block number in

2:  the block number of

3: ifthen

4:   the VariationSet of

5:  for each key-value pair indo

6:   if = createor = updatethen

7:    

8:   else if = deletethen

9:    Delete from

10:  Append to