package protocol import ( "crypto/ecdsa" "encoding/json" "fmt" "github.com/golang/protobuf/proto" "github.com/status-im/status-go/eth-node/crypto" "github.com/status-im/status-go/eth-node/types" "github.com/status-im/status-go/protocol/protobuf" ) // Invitation represents a group chat invitation request from a user in the application layer, used for persistence, querying and // signaling type GroupChatInvitation struct { protobuf.GroupChatInvitation // From is a public key of the author of the invitation request. From string `json:"from,omitempty"` // SigPubKey is the ecdsa encoded public key of the invitation author SigPubKey *ecdsa.PublicKey `json:"-"` } // ID is the Keccak256() contatenation of From-ChatId func (g GroupChatInvitation) ID() string { return types.EncodeHex(crypto.Keccak256([]byte(fmt.Sprintf("%s%s", g.From, g.ChatId)))) } // GetSigPubKey returns an ecdsa encoded public key // this function is required to implement the ChatEntity interface func (g GroupChatInvitation) GetSigPubKey() *ecdsa.PublicKey { return g.SigPubKey } // GetProtoBuf returns the struct's embedded protobuf struct // this function is required to implement the ChatEntity interface func (g GroupChatInvitation) GetProtobuf() proto.Message { return &g.GroupChatInvitation } func (g GroupChatInvitation) MarshalJSON() ([]byte, error) { item := struct { ID string `json:"id"` ChatID string `json:"chatId,omitempty"` From string `json:"from"` IntroductionMessage string `json:"introductionMessage,omitempty"` State protobuf.GroupChatInvitation_State `json:"state,omitempty"` }{ ID: g.ID(), ChatID: g.ChatId, From: g.From, IntroductionMessage: g.IntroductionMessage, State: g.State, } return json.Marshal(item) }