From d9b76854a77f0e4460185cbd5c0c0bb1e4e85e85 Mon Sep 17 00:00:00 2001
From: StephenButtolph <stephen@avalabs.org>
Date: Sun, 13 Sep 2020 12:04:13 -0400
Subject: [PATCH] fix multiple engine startups

---
 snow/engine/common/bootstrapper.go | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/snow/engine/common/bootstrapper.go b/snow/engine/common/bootstrapper.go
index b55f6f0db6b1..41be35801b48 100644
--- a/snow/engine/common/bootstrapper.go
+++ b/snow/engine/common/bootstrapper.go
@@ -45,7 +45,8 @@ type Bootstrapper struct {
 	acceptedVotes   map[[32]byte]uint64
 
 	// current weight
-	weight uint64
+	started bool
+	weight  uint64
 }
 
 // Initialize implements the Engine interface.
@@ -67,6 +68,7 @@ func (b *Bootstrapper) Initialize(config Config) error {
 
 // Startup implements the Engine interface.
 func (b *Bootstrapper) Startup() error {
+	b.started = true
 	if b.pendingAcceptedFrontier.Len() == 0 {
 		b.Ctx.Log.Info("Bootstrapping skipped due to no provided bootstraps")
 		return b.Bootstrapable.ForceAccepted(ids.Set{})
@@ -180,6 +182,9 @@ func (b *Bootstrapper) Accepted(validatorID ids.ShortID, requestID uint32, conta
 
 // Connected implements the Engine interface.
 func (b *Bootstrapper) Connected(validatorID ids.ShortID) error {
+	if b.started {
+		return nil
+	}
 	weight, ok := b.Beacons.GetWeight(validatorID)
 	if !ok {
 		return nil