+func NewArea(ctx *Ctx, name string, cfg *AreaJSON) (*Area, error) {
+ areaId, err := AreaIdFromString(cfg.Id)
+ if err != nil {
+ return nil, err
+ }
+ subs := make([]*NodeId, 0, len(cfg.Subs))
+ for _, s := range cfg.Subs {
+ node, err := ctx.FindNode(s)
+ if err != nil {
+ return nil, err
+ }
+ subs = append(subs, node.Id)
+ }
+ area := Area{
+ Name: name,
+ Id: areaId,
+ Pub: new([32]byte),
+ Subs: subs,
+ Exec: cfg.Exec,
+ Incoming: cfg.Incoming,
+ }
+ pub, err := Base32Codec.DecodeString(cfg.Pub)
+ if err != nil {
+ return nil, err
+ }
+ if len(pub) != 32 {
+ return nil, errors.New("Invalid pub size")
+ }
+ copy(area.Pub[:], pub)
+ if cfg.Prv != nil {
+ prv, err := Base32Codec.DecodeString(*cfg.Prv)
+ if err != nil {
+ return nil, err
+ }
+ if len(prv) != 32 {
+ return nil, errors.New("Invalid prv size")
+ }
+ area.Prv = new([32]byte)
+ copy(area.Prv[:], prv)
+ }
+ if cfg.AllowUnknown != nil {
+ area.AllowUnknown = *cfg.AllowUnknown
+ }
+ return &area, nil
+}
+