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

Algorithm 3

Delete block body.

Require: Target block number , Blockchain , State Database

1:  the VariationSet of the header

2: for each transaction in the body do

3:  for each affected key-value pair indo

4:    the version of

5:    the version of

6:   ifanddeletethen

7:    

8: Delete from