From d4b4c8a05e94f66c85e7b4238ae5947b26f13c40 Mon Sep 17 00:00:00 2001
From: Jimmy Hu <jimmy.hu@dexon.org>
Date: Mon, 4 Mar 2019 18:30:03 +0800
Subject: core: first few round will not have DKG (#455)

* core: Add DKGDelayRound constant

* core: use constant value

* core, utils: set DKGDelayRound for utils.

* test: add dkgDelayRound to state

* core: do not run dkg and crs for round < DKGDelayRound

* fix test
---
 core/test/state.go | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

(limited to 'core/test/state.go')

diff --git a/core/test/state.go b/core/test/state.go
index f1cf365..fbf4505 100644
--- a/core/test/state.go
+++ b/core/test/state.go
@@ -117,6 +117,7 @@ type State struct {
 //  - node set
 //  - crs
 func NewState(
+	dkgDelayRound uint64,
 	nodePubKeys []crypto.PublicKey,
 	lambda time.Duration,
 	logger common.Logger,
@@ -126,6 +127,11 @@ func NewState(
 		nodes[types.NewNodeID(key)] = key
 	}
 	genesisCRS := crypto.Keccak256Hash([]byte("__ DEXON"))
+	crs := make([]common.Hash, dkgDelayRound+1)
+	for i := range crs {
+		crs[i] = genesisCRS
+		genesisCRS = crypto.Keccak256Hash(genesisCRS[:])
+	}
 	return &State{
 		local:            local,
 		logger:           logger,
@@ -133,7 +139,7 @@ func NewState(
 		lambdaDKG:        lambda * 10,
 		roundInterval:    1000,
 		minBlockInterval: 4 * lambda,
-		crs:              []common.Hash{genesisCRS},
+		crs:              crs,
 		nodes:            nodes,
 		notarySetSize:    uint32(len(nodes)),
 		dkgSetSize:       uint32(len(nodes)),
-- 
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