From 71d55d1cffeb4b9161f9bf77a37ad99b26765fe9 Mon Sep 17 00:00:00 2001
From: Potuz <potuz@prysmaticlabs.com>
Date: Tue, 30 Nov 2021 07:40:59 -0300
Subject: [PATCH] Check for syncstatus before performing a voluntary exit
 (#9951)
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Co-authored-by: Radosław Kapka <rkapka@wp.pl>
---
 validator/accounts/BUILD.bazel      |  1 +
 validator/accounts/accounts_exit.go | 15 +++++++++++++++
 2 files changed, 16 insertions(+)

diff --git a/validator/accounts/BUILD.bazel b/validator/accounts/BUILD.bazel
index 4da748bce..c4be46150 100644
--- a/validator/accounts/BUILD.bazel
+++ b/validator/accounts/BUILD.bazel
@@ -54,6 +54,7 @@ go_library(
         "@com_github_urfave_cli_v2//:go_default_library",
         "@com_github_wealdtech_go_eth2_wallet_encryptor_keystorev4//:go_default_library",
         "@org_golang_google_grpc//:go_default_library",
+        "@org_golang_google_protobuf//types/known/emptypb:go_default_library",
     ],
 )
 
diff --git a/validator/accounts/accounts_exit.go b/validator/accounts/accounts_exit.go
index 8b6e1217f..f20c4d1b7 100644
--- a/validator/accounts/accounts_exit.go
+++ b/validator/accounts/accounts_exit.go
@@ -24,6 +24,7 @@ import (
 	"github.com/prysmaticlabs/prysm/validator/keymanager"
 	"github.com/urfave/cli/v2"
 	"google.golang.org/grpc"
+	"google.golang.org/protobuf/types/known/emptypb"
 )
 
 // PerformExitCfg for account voluntary exits.
@@ -57,6 +58,20 @@ func ExitAccountsCli(cliCtx *cli.Context, r io.Reader) error {
 	if err != nil {
 		return err
 	}
+	if nodeClient == nil {
+		return errors.New("Could not prepare beacon node client")
+	}
+	syncStatus, err := (*nodeClient).GetSyncStatus(cliCtx.Context, &emptypb.Empty{})
+	if err != nil {
+		return err
+	}
+	if syncStatus == nil {
+		return errors.New("Could not get sync status")
+	}
+
+	if (*syncStatus).Syncing {
+		return errors.New("Could not perform exit: beacon node is syncing.")
+	}
 
 	cfg := PerformExitCfg{
 		*validatorClient,