common

type BlockOptions struct {
	AggregatorNodeSignatureBytesProvider types.AggregatorNodeSignatureBytesProvider
	SyncNodeSignatureBytesProvider       types.SyncNodeSignatureBytesProvider
	ValidatorHasherProvider              types.ValidatorHasherProvider
}

type DAHeightEvent struct {
	Header *types.SignedHeader
	Data   *types.Data
	// DaHeight corresponds to the highest DA included height between the Header and Data.
	DaHeight uint64
	// HeaderDaIncludedHeight corresponds to the DA height at which the Header was included.
	HeaderDaIncludedHeight uint64
}

type Metrics struct {
	// Original metrics
	Height          metrics.Gauge // Height of the chain
	NumTxs          metrics.Gauge // Number of transactions in the latest block
	BlockSizeBytes  metrics.Gauge // Size of the latest block
	TotalTxs        metrics.Gauge // Total number of transactions
	CommittedHeight metrics.Gauge `metrics_name:"latest_block_height"` // The latest block height

	// Channel metrics
	ChannelBufferUsage map[string]metrics.Gauge
	DroppedSignals     metrics.Counter

	// Error metrics
	ErrorsByType         map[string]metrics.Counter
	RecoverableErrors    metrics.Counter
	NonRecoverableErrors metrics.Counter

	// Performance metrics
	OperationDuration map[string]metrics.Histogram
	GoroutineCount    metrics.Gauge

	// DA metrics
	DASubmissionAttempts  metrics.Counter
	DASubmissionSuccesses metrics.Counter
	DASubmissionFailures  metrics.Counter
	DARetrievalAttempts   metrics.Counter
	DARetrievalSuccesses  metrics.Counter
	DARetrievalFailures   metrics.Counter
	DAInclusionHeight     metrics.Gauge
	PendingHeadersCount   metrics.Gauge
	PendingDataCount      metrics.Gauge

	// Sync metrics
	SyncLag             metrics.Gauge
	HeadersSynced       metrics.Counter
	DataSynced          metrics.Counter
	BlocksApplied       metrics.Counter
	InvalidHeadersCount metrics.Counter

	// Block production metrics
	BlockProductionTime  metrics.Histogram
	EmptyBlocksProduced  metrics.Counter
	LazyBlocksProduced   metrics.Counter
	NormalBlocksProduced metrics.Counter
	TxsPerBlock          metrics.Histogram

	// State transition metrics
	StateTransitions   map[string]metrics.Counter
	InvalidTransitions metrics.Counter
}