status-go/protocol/emoji_reaction.go

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package protocol
import (
"crypto/ecdsa"
"encoding/json"
"fmt"
"github.com/golang/protobuf/proto"
accountJson "github.com/status-im/status-go/account/json"
"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"`
}
func NewEmojiReaction() *EmojiReaction {
return &EmojiReaction{EmojiReaction: &protobuf.EmojiReaction{}}
}
// 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 {
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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"`
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Retracted bool `json:"retracted,omitempty"`
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EmojiID protobuf.EmojiReaction_Type `json:"emojiId,omitempty"`
}{
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ID: e.ID(),
Clock: e.Clock,
ChatID: e.ChatId,
LocalChatID: e.LocalChatID,
From: e.From,
MessageID: e.MessageId,
MessageType: e.MessageType,
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Retracted: e.Retracted,
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EmojiID: e.Type,
}
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ext, err := accountJson.ExtendStructWithPubKeyData(item.From, item)
if err != nil {
return nil, err
}
return json.Marshal(ext)
}
// WrapGroupMessage indicates whether we should wrap this in membership information
func (e *EmojiReaction) WrapGroupMessage() bool {
return false
}