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Merge pull request #1178 from Roasbeef/travis-htlc-block-race-fix

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test: attempt to account for internal block race in htlc force close …
This commit is contained in:
Olaoluwa Osuntokun 2018-05-03 21:08:52 -07:00 committed by GitHub
commit 9017d18f14
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1 changed files with 28 additions and 4 deletions
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32
lnd_test.go
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@ -7066,9 +7066,22 @@ func testMultHopRemoteForceCloseOnChainHtlcTimeout(net *lntest.NetworkHarness,
// Bob's sweeping transaction should now be found in the mempool at
// this point.
_, err = waitForTxInMempool(net.Miner.Node, time.Second*20)
_, err = waitForTxInMempool(net.Miner.Node, time.Second*10)
if err != nil {
t.Fatalf("unable to find bob's sweeping transaction: %v", err)
// If Bob's transaction isn't yet in the mempool, then due to
// internal message passing and the low period between blocks
// being mined, it may have been detected as a late
// registration. As a result, we'll mine another block and
// repeat the check. If it doesn't go through this time, then
// we'll fail.
if _, err := net.Miner.Node.Generate(1); err != nil {
t.Fatalf("unable to generate block: %v", err)
}
_, err = waitForTxInMempool(net.Miner.Node, time.Second*10)
if err != nil {
t.Fatalf("unable to find bob's sweeping "+
"transaction: %v", err)
}
}
// If we mine an additional block, then this should confirm Bob's
@ -7083,9 +7096,20 @@ func testMultHopRemoteForceCloseOnChainHtlcTimeout(net *lntest.NetworkHarness,
nodes = []*lntest.HarnessNode{net.Alice}
err = lntest.WaitPredicate(func() bool {
return assertNumActiveHtlcs(nodes, 0)
}, time.Second*15)
}, time.Second*8)
if err != nil {
t.Fatalf("alice's channel still has active htlc's")
// It may be the case that due to a race, Bob's sweeping
// transaction hasn't yet been confirmed, so we'll mine another
// block to nudge it in. If after this it still Alice will has
// an HTLC, then it's actually a test failure.
if _, err := net.Miner.Node.Generate(1); err != nil {
t.Fatalf("unable to generate block: %v", err)
}
if err = lntest.WaitPredicate(func() bool {
return assertNumActiveHtlcs(nodes, 0)
}, time.Second*8); err != nil {
t.Fatalf("alice's channel still has active htlc's")
}
}
// Now we'll check Bob's pending channel report. Since this was Carol's