Fixed start function in rpc

client/rpc.go

@@ -1,7 +1,6 @@
 package client
 
 import (
-	"context"
 	"encoding/json"
 	"fmt"
 	"github.com/BlocSoc-iitr/selene/common"
@@ -29,18 +28,36 @@ func (r Rpc) New(node *Node, ip *string, port uint16) Rpc {
 		Address: address,
 	}
 }
-func (r Rpc) Start(ctx context.Context) (string, error) {
-	rpcInner := RpcInner{
-		Node:    r.Node,
-		Address: r.Address,
-	}
-	handle, addr, err := rpcInner.StartServer()
-	if err != nil {
-		return "", err
-	}
-	r.Handle = handle
-	logrus.WithField("target", "selene::rpc").Infof("rpc server started at %s", addr)
-	return addr, nil
+
+func (r Rpc) Start() (string, error) {
+    // Create channels to send the address and error back asynchronously
+    addrChan := make(chan string)
+    errChan := make(chan error)
+
+    // Run the function in a separate goroutine
+    go func() {
+        rpcInner := RpcInner{
+            Node:    r.Node,
+            Address: r.Address,
+        }
+        handle, addr, err := rpcInner.StartServer()
+        if err != nil {
+            // Send the error on the error channel and close the channels
+            errChan <- err
+            close(addrChan)
+            close(errChan)
+            return
+        }
+        r.Handle = handle
+        logrus.WithField("target", "selene::rpc").Infof("rpc server started at %s", addr)
+
+        // Send the address on the address channel and close the channels
+        addrChan <- addr
+        close(addrChan)
+        close(errChan)
+    }()
+
+    return <-addrChan, <-errChan
 }
 
 type RpcInner struct {