engine

type BlockBuildingSettings struct {
	BlockTime uint64
	// skip a block; timestamps will still increase in multiples of BlockTime like L1, but there may be gaps.
	AllowGaps    bool
	Random       common.Hash
	FeeRecipient common.Address
	BuildTime    time.Duration
}

type Metricer interface {
	RecordBlockFail()
	RecordBlockStats(hash common.Hash, num uint64, time uint64, txs uint64, gas uint64, baseFee float64)
}

type Metrics struct {
	BlockFails prometheus.Counter

	BlockHash    prometheus.Gauge
	BlockNum     prometheus.Gauge
	BlockTime    prometheus.Gauge
	BlockTxs     prometheus.Gauge
	BlockGas     prometheus.Gauge
	BlockBaseFee prometheus.Gauge
}

type RPCBlock struct {
	types.Header
	Transactions []*types.Transaction `json:"transactions"`
}

type StaticVersionProvider int

type StatusData struct {
	Head      eth.L1BlockRef `json:"head"`
	Safe      eth.L1BlockRef `json:"safe"`
	Finalized eth.L1BlockRef `json:"finalized"`
	Txs       uint64         `json:"txs"`
	Gas       uint64         `json:"gas"`
	StateRoot common.Hash    `json:"stateRoot"`
	BaseFee   *big.Int       `json:"baseFee"`
}