msg

type Common struct {
	// Type is the type of message
	Type MsgType
	// Dest is the server IP and port for the destination.
	Dest api.Endpoint
	// DestID is the server ID for the destination.
	DestID uuid.UUID
	// SrcID is the server ID for the source.
	SrcID uuid.UUID
	// ReplicaID is replica context for the message.
	ReplicaID uuid.UUID
	// EpochID identifies the epoch context for the message.
	EpochID uuid.UUID
}

type Msg interface {
	GetCommon() *Common
}

type MsgEpochCloseReq struct {
	Common
}

type MsgEpochCloseResp struct {
	Common
}

type MsgEpochOpenReq struct {
	Common
}

type MsgEpochOpenResp struct {
	Common
}

type MsgEpochRevokeReq struct {
	Common
	SuccessorEpochID uuid.UUID
}

type MsgEpochRevokeResp struct {
	Common
}

type MsgEpochSetupReq struct {
	Common
}

type MsgEpochSetupResp struct {
	Common
}

type MsgLeasePrepareReq struct {
	Common
	BallotNumber     api.BallotNumber
	SuccessorEpochID *uuid.UUID
}

type MsgLeasePrepareResp struct {
	Common
	BallotNumber      api.BallotNumber
	HighestPromised   api.BallotNumber
	ProposalOwnerID   *uuid.UUID
	SuccessorMismatch bool
}

type MsgLeaseProposeReq struct {
	Common
	BallotNumber    api.BallotNumber
	ProposedTimeout uint16
}

type MsgLeaseProposeResp struct {
	Common
	BallotNumber        api.BallotNumber
	HasAcceptedProposal bool
	ProposalOwnerID     uuid.UUID
	EpochState          api.State
}

type MsgList []Msg

type MsgReplicaCreateReq struct {
	Common
	Replica api.Replica
}

type MsgReplicaCreateResp struct {
	Common
}

type MsgType byte