WebAPI handles strong/weak parents

plugins/webapi/message/findById.go

@@ -47,9 +47,8 @@ func findByIDHandler(c echo.Context) error {
 				SolidificationTime: msgMetadata.SolidificationTime().Unix(),
 			},
 			ID:              msg.ID().String(),
-			//TODO: adjust
-			//Parent1ID:       msg.Parent1ID().String(),
-			//Parent2ID:       msg.Parent2ID().String(),
+			StrongParents:   msg.StrongParents().ToStrings(),
+			WeakParents:     msg.WeakParents().ToStrings(),
 			IssuerPublicKey: msg.IssuerPublicKey().String(),
 			IssuingTime:     msg.IssuingTime().Unix(),
 			SequenceNumber:  msg.SequenceNumber(),
@@ -80,8 +79,8 @@ type FindByIDRequest struct {
 type Message struct {
 	Metadata        `json:"metadata,omitempty"`
 	ID              string   `json:"ID,omitempty"`
-	Parent1ID       string `json:"parent1Id,omitempty"`
-	Parent2ID       string `json:"parent2Id,omitempty"`
+	StrongParents   []string `json:"strongParents,omitempty"`
+	WeakParents     []string `json:"weakParents,omitempty"`
 	IssuerPublicKey string   `json:"issuerPublicKey,omitempty"`
 	IssuingTime     int64    `json:"issuingTime,omitempty"`
 	SequenceNumber  uint64   `json:"sequenceNumber,omitempty"`