prevent repeat checkpoint sync tx to root chain#121

mengcody merged 1 commit intobttcprotocol:develop_v1.1.0bttcprotocol/delivery:develop_v1.1.0from

sgz13140:feat/migrate-checkpointer-poll-to-governance_localsgz13140/delivery:feat/migrate-checkpointer-poll-to-governance_localCopy head branch name to clipboard