status-im/status-go

package protocol

import (
    "crypto/ecdsa"

    "github.com/golang/protobuf/proto"

    "github.com/status-im/status-go/protocol/protobuf"
)

// DeleteMessage represents a delete of a message from a user in the application layer, used for persistence, querying and
// signaling
type DeleteMessage struct {
    *protobuf.DeleteMessage

    // ID is the ID of the message that has been edited
    ID string `json:"id,omitempty"`

    // From is a public key of the author of the edit reaction.
    From string `json:"from,omitempty"`

    // SigPubKey is the ecdsa encoded public key of the edit author
    SigPubKey *ecdsa.PublicKey `json:"-"`
}

func NewDeleteMessage() *DeleteMessage {
    return &DeleteMessage{DeleteMessage: &protobuf.DeleteMessage{}}
}

// GetSigPubKey returns an ecdsa encoded public key
// this function is required to implement the ChatEntity interface
func (e *DeleteMessage) GetSigPubKey() *ecdsa.PublicKey {
    return e.SigPubKey
}

// GetProtoBuf returns the struct's embedded protobuf struct
// this function is required to implement the ChatEntity interface
func (e *DeleteMessage) GetProtobuf() proto.Message {
    return e.DeleteMessage
}

// SetMessageType a setter for the MessageType field
// this function is required to implement the ChatEntity interface
func (e *DeleteMessage) SetMessageType(messageType protobuf.MessageType) {
    e.MessageType = messageType
}

// WrapGroupMessage indicates whether we should wrap this in membership information
func (e *DeleteMessage) WrapGroupMessage() bool {
    return false
}