chg: change rootchain submitHeaderBlock interface (Mainnet v1 changes)#538

Merged

jdkanani merged 3 commits intomainnet-backportfrom jdkanani/change-checkpoint-sig-mainnet

Mar 10, 2021

+135-127

Commits on Feb 5, 2021

Commits on Feb 12, 2021

fix: use submitCheckpoint method for sending checkpoint
jdkanani
committed