Keep currentBlockHeight in services

src/services/service.ts

@@ -30,6 +30,7 @@ export default class Services {
   private routingInstance!: ModalService;
   private relayAddresses: { [wsurl: string]: string } = {};
   private membersList: Record<string, Member> = {};
+  private currentBlockHeight: number = -1;
   // Private constructor to prevent direct instantiation from outside
   private constructor() {}
 
@@ -1321,6 +1322,7 @@ export default class Services {
     try {
       const handshakeMsg: HandshakeMessage = JSON.parse(parsedMsg);
       this.updateRelay(url, handshakeMsg.sp_address);
+      this.currentBlockHeight = handshakeMsg.chain_tip;
       if (this.membersList && Object.keys(this.membersList).length === 0) {
         // We start from an empty list, just copy it over
         this.membersList = handshakeMsg.peers_list;