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" ) // EmojiReaction represents an emoji reaction from a user in the application layer, used for persistence, querying and // signaling type EmojiReaction struct { protobuf.EmojiReaction // From is a public key of the author of the emoji reaction. From string `json:"from,omitempty"` // SigPubKey is the ecdsa encoded public key of the emoji reaction author SigPubKey *ecdsa.PublicKey `json:"-"` // LocalChatID is the chatID of the local chat (one-to-one are not symmetric) LocalChatID string `json:"localChatId"` } // ID is the Keccak256() contatenation of From-MessageID-EmojiType func (e EmojiReaction) ID() string { return types.EncodeHex(crypto.Keccak256([]byte(fmt.Sprintf("%s%s%d", e.From, e.MessageId, e.Type)))) } // GetSigPubKey returns an ecdsa encoded public key // this function is required to implement the ChatEntity interface func (e EmojiReaction) 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 EmojiReaction) GetProtobuf() proto.Message { return &e.EmojiReaction } // SetMessageType a setter for the MessageType field // this function is required to implement the ChatEntity interface func (e *EmojiReaction) SetMessageType(messageType protobuf.MessageType) { e.MessageType = messageType } func (e EmojiReaction) MarshalJSON() ([]byte, error) { item := struct { ID string `json:"id"` Clock uint64 `json:"clock,omitempty"` ChatID string `json:"chatId,omitempty"` LocalChatID string `json:"localChatId,omitempty"` From string `json:"from"` MessageID string `json:"messageId,omitempty"` MessageType protobuf.MessageType `json:"messageType,omitempty"` Retracted bool `json:"retracted,omitempty"` EmojiID protobuf.EmojiReaction_Type `json:"emojiId,omitempty"` }{ ID: e.ID(), Clock: e.Clock, ChatID: e.ChatId, LocalChatID: e.LocalChatID, From: e.From, MessageID: e.MessageId, MessageType: e.MessageType, Retracted: e.Retracted, EmojiID: e.Type, } return json.Marshal(item) }