yutelin

Cherry pick: ``` git cherry-pick -n 251c5a8016ddf9c336854831a6153ad3fa7e790e ``` Build 4-validator: ``` docker-compose --file docker-compose-v.yml build ``` Run 4-validator: ``` docker-compose --file docker-compose-v.yml up -d ``` Build 4-validator-3-node: ``` docker-compose --file...