[{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"proposer","type":"address"},{"indexed":true,"internalType":"uint256","name":"headerBlockId","type":"uint256"},{"indexed":true,"internalType":"uint256","name":"reward","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"start","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"end","type":"uint256"},{"indexed":false,"internalType":"bytes32","name":"root","type":"bytes32"}],"name":"NewHeaderBlock","type":"event"},{"inputs":[],"name":"currentCheckpointNumber","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"","type":"uint256"}],"name":"headerBlocks","outputs":[{"internalType":"bytes32","name":"root","type":"bytes32"},{"internalType":"uint256","name":"start","type":"uint256"},{"internalType":"uint256","name":"end","type":"uint256"},{"internalType":"uint256","name":"createdAt","type":"uint256"},{"internalType":"address","name":"proposer","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes32","name":"rootHash","type":"bytes32"},{"internalType":"uint256","name":"start","type":"uint256"},{"internalType":"uint256","name":"end","type":"uint256"}],"name":"setCheckpoint","outputs":[],"stateMutability":"nonpayable","type":"function"}]