From 49c47180328c06eaeaca9176c2819b55bd75464f Mon Sep 17 00:00:00 2001
From: Mission Liao <mission.liao@dexon.org>
Date: Fri, 22 Mar 2019 14:04:30 +0800
Subject: core: height event handlers are not called (#509)

* Make utils.RoundEvent.ValidateNextRound non-blocking
* Make NotifyHeight called blockingly
* Trigger all height event handlers that should be triggered by initBlock
* Fixup: forget the syncer part
---
 core/test/app.go      | 13 ++++---------
 core/test/app_test.go |  3 ++-
 2 files changed, 6 insertions(+), 10 deletions(-)

(limited to 'core/test')

diff --git a/core/test/app.go b/core/test/app.go
index 12b2047..d704698 100644
--- a/core/test/app.go
+++ b/core/test/app.go
@@ -108,18 +108,13 @@ func NewApp(initRound uint64, gov *Governance, rEvt *utils.RoundEvent) (
 		app.state = gov.State()
 	}
 	if rEvt != nil {
-		app.hEvt.RegisterHeight(
-			utils.GetNextRoundValidationHeight(rEvt.LastPeriod()),
-			func(h uint64) {
-				rEvt.ValidateNextRound(h)
-			})
 		rEvt.Register(func(evts []utils.RoundEventParam) {
 			app.hEvt.RegisterHeight(
 				evts[len(evts)-1].NextRoundValidationHeight(),
-				func(h uint64) {
-					rEvt.ValidateNextRound(h)
-				})
+				utils.RoundEventRetryHandlerGenerator(rEvt, app.hEvt),
+			)
 		})
+		rEvt.TriggerInitEvent()
 	}
 	return app
 }
@@ -265,7 +260,7 @@ func (app *App) BlockDelivered(blockHash common.Hash, pos types.Position,
 			}
 		}
 	}()
-	go app.hEvt.NotifyHeight(result.Height)
+	app.hEvt.NotifyHeight(result.Height)
 }
 
 // GetLatestDeliveredPosition would return the latest position of delivered
diff --git a/core/test/app_test.go b/core/test/app_test.go
index 138f803..e06b758 100644
--- a/core/test/app_test.go
+++ b/core/test/app_test.go
@@ -309,7 +309,7 @@ func (s *AppTestSuite) TestAttachedWithRoundEvent() {
 		1900, 2019, core.ConfigRoundShift)
 	s.Require().NoError(err)
 	// Register a handler to collects triggered events.
-	evts := make(chan evtParamToCheck, 2)
+	evts := make(chan evtParamToCheck, 3)
 	rEvt.Register(func(params []utils.RoundEventParam) {
 		for _, p := range params {
 			evts <- evtParamToCheck{
@@ -336,6 +336,7 @@ func (s *AppTestSuite) TestAttachedWithRoundEvent() {
 	// Deliver blocks from height=2020 to height=2081.
 	deliver(0, 0, 2019)
 	deliver(19, 2020, 2091)
+	s.Require().Equal(<-evts, evtParamToCheck{19, 1, 2000, gov.CRS(19)})
 	s.Require().Equal(<-evts, evtParamToCheck{19, 2, 2100, gov.CRS(19)})
 	s.Require().Equal(<-evts, evtParamToCheck{20, 0, 2200, gov.CRS(20)})
 	// Deliver blocks from height=2082 to height=2281.
-- 
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