feat: Waku v2 bridge

Issue #12610

vendor/github.com/status-im/status-go/account/json/utils.go

@@ -0,0 +1,63 @@
+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
+	}
+
+	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
+}