cache

type BlockGasLimitProvider interface {
	// BlockGasLimit provides the block gas limit for the given height, and if it exists.
	BlockGasLimit(ctx context.Context, height uint64) (uint64, bool)
}

type BlockRootToSlotProvider interface {
	// BlockRootToSlot provides the slot for a given block root.
	BlockRootToSlot(ctx context.Context, root phase0.Root) (phase0.Slot, error)
}

type BlockRootToSlotSetter interface {
	// SetBlockRootToSlot sets the block root to slot mapping.
	SetBlockRootToSlot(root phase0.Root, slot phase0.Slot)
}

type ExecutionChainHeadProvider interface {
	// ExecutionChainHead provides the current execution chain head.
	ExecutionChainHead(ctx context.Context) (phase0.Hash32, uint64)
}

type Service interface{}