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fix mining termination race condition

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This commit is contained in:
vyzo 2020-06-26 17:44:40 +03:00
parent 3d5f58c8b8
commit b7403fd93c
1 changed files with 7 additions and 1 deletions
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8
lotus-soup/common_roles.go
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@ -38,7 +38,8 @@ func runMiner(t *TestEnvironment) error {
done := make(chan struct{}) done := make(chan struct{})
go func() { go func() {
defer close(done) defer close(done)
for i := 0; mine; i++ { var i int
for i = 0; mine; i++ {
// synchronize all miners to mine the next block // synchronize all miners to mine the next block
t.RecordMessage("synchronizing all miners to mine next block [%d]", i) t.RecordMessage("synchronizing all miners to mine next block [%d]", i)
@ -55,6 +56,11 @@ func runMiner(t *TestEnvironment) error {
panic(err) panic(err)
} }
} }
// signal the last block to make sure no miners are left stuck waiting for the next block signal
// while the others have stopped
stateMineLast := sync.State(fmt.Sprintf("mine-block-%d", i))
t.SyncClient.MustSignalEntry(ctx, stateMineLast)
}() }()
// wait for a signal from all clients to stop mining // wait for a signal from all clients to stop mining