status-go/account/json/utils.go

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2023-03-06 08:51:09 +00:00
package json
import (
"reflect"
"github.com/status-im/status-go/api/multiformat"
"github.com/status-im/status-go/protocol/identity/emojihash"
)
type PublicKeyData struct {
CompressedKey string `json:"compressedKey"`
EmojiHash []string `json:"emojiHash"`
}
func getPubKeyData(publicKey string) (*PublicKeyData, error) {
compressedKey, err := multiformat.SerializeLegacyKey(publicKey)
if err != nil {
return nil, err
}
emojiHash, err := emojihash.GenerateFor(publicKey)
if err != nil {
return nil, err
}
return &PublicKeyData{compressedKey, emojiHash}, nil
}
func ExtendStructWithPubKeyData(publicKey string, item any) (any, error) {
// If the public key is empty, do not attempt to extend the incoming item
if publicKey == "" {
return item, nil
}
2023-03-06 08:51:09 +00:00
pkd, err := getPubKeyData(publicKey)
if err != nil {
return nil, err
}
// Create a struct with 2 embedded substruct fields in order to circumvent
// "embedded field type cannot be a (pointer to a) type parameter"
// compiler error that arises if we were to use a generic function instead
typ := reflect.StructOf([]reflect.StructField{
{
Name: "Item",
Anonymous: true,
Type: reflect.TypeOf(item),
},
{
Name: "Pkd",
Anonymous: true,
Type: reflect.TypeOf(pkd),
},
})
v := reflect.New(typ).Elem()
v.Field(0).Set(reflect.ValueOf(item))
v.Field(1).Set(reflect.ValueOf(pkd))
s := v.Addr().Interface()
return s, nil
}