beacon

type BeaconHead struct {
	Slot                   uint64
	FinalizedSlot          uint64
	JustifiedSlot          uint64
	PreviousJustifiedSlot  uint64
	Epoch                  uint64
	FinalizedEpoch         uint64
	JustifiedEpoch         uint64
	PreviousJustifiedEpoch uint64
}

type Client interface {
	GetSyncStatus() (SyncStatus, error)
	GetEth2Config() (Eth2Config, error)
	GetBeaconHead() (BeaconHead, error)
	GetValidatorStatus(pubkey types.ValidatorPubkey, opts *ValidatorStatusOptions) (ValidatorStatus, error)
	GetValidatorStatuses(pubkeys []types.ValidatorPubkey, opts *ValidatorStatusOptions) (map[types.ValidatorPubkey]ValidatorStatus, error)
	Close()
}

type Eth2Config struct {
	GenesisForkVersion []byte
	GenesisEpoch       uint64
	GenesisTime        uint64
	SecondsPerEpoch    uint64
}

type SyncStatus struct {
	Syncing bool
}

type ValidatorStatus struct {
	Pubkey                     types.ValidatorPubkey
	WithdrawalCredentials      common.Hash
	Balance                    uint64
	EffectiveBalance           uint64
	Slashed                    bool
	ActivationEligibilityEpoch uint64
	ActivationEpoch            uint64
	ExitEpoch                  uint64
	WithdrawableEpoch          uint64
	Exists                     bool
}

type ValidatorStatusOptions struct {
	Epoch uint64
}