From 8cb1d5c4f3f7f93d8b2c54addf5c2caced0a1eb8 Mon Sep 17 00:00:00 2001
From: Mission Liao <mission.liao@dexon.org>
Date: Thu, 30 Aug 2018 15:09:15 +0800
Subject: core: tune total ordering performance (#81)

- Replace map with slice
   Compared to slice, accessing to map is slower and
   the memory usage is inefficient.
---
 core/consensus.go | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

(limited to 'core/consensus.go')

diff --git a/core/consensus.go b/core/consensus.go
index 36cd57e..6c841bf 100644
--- a/core/consensus.go
+++ b/core/consensus.go
@@ -84,10 +84,14 @@ func NewConsensus(
 	}
 
 	// Setup sequencer by information returned from Governace.
+	var validators types.ValidatorIDs
+	for vID := range validatorSet {
+		validators = append(validators, vID)
+	}
 	to := newTotalOrdering(
 		uint64(gov.GetTotalOrderingK()),
 		uint64(float32(len(validatorSet)-1)*gov.GetPhiRatio()+1),
-		uint64(len(validatorSet)))
+		validators)
 
 	return &Consensus{
 		rbModule: rb,
-- 
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