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Merge pull request #1482 from cfromknecht/uniform-fee-update-timeout

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htlcswitch/link: correct bias in fee update backoff
This commit is contained in:
Olaoluwa Osuntokun 2018-07-03 22:27:22 -05:00 committed by GitHub
commit 0a045f8651
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GPG Key ID: 4AEE18F83AFDEB23
3 changed files with 15 additions and 19 deletions
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7
htlcswitch/link.go
View File

@ -995,12 +995,7 @@ out:
func (l *channelLink) randomFeeUpdateTimeout() time.Duration {
lower := int64(l.cfg.MinFeeUpdateTimeout)
upper := int64(l.cfg.MaxFeeUpdateTimeout)
rand := prand.Int63n(upper)
if rand < lower {
rand = lower
}
return time.Duration(rand)
return time.Duration(prand.Int63n(upper-lower) + lower)
}
// handleDownStreamPkt processes an HTLC packet sent from the downstream HTLC

4
htlcswitch/link_test.go
View File

@ -1497,7 +1497,7 @@ func newSingleLinkTestHarness(chanAmt, chanReserve btcutil.Amount) (
// to not trigger commit updates automatically during tests.
BatchSize: 10000,
MinFeeUpdateTimeout: 30 * time.Minute,
MaxFeeUpdateTimeout: 30 * time.Minute,
MaxFeeUpdateTimeout: 40 * time.Minute,
}
const startingHeight = 100
@ -3878,7 +3878,7 @@ func restartLink(aliceChannel *lnwallet.LightningChannel, aliceSwitch *Switch,
// to not trigger commit updates automatically during tests.
BatchSize: 10000,
MinFeeUpdateTimeout: 30 * time.Minute,
MaxFeeUpdateTimeout: 30 * time.Minute,
MaxFeeUpdateTimeout: 40 * time.Minute,
// Set any hodl flags requested for the new link.
HodlMask: hodl.MaskFromFlags(hodlFlags...),
DebugHTLC: len(hodlFlags) > 0,

23
htlcswitch/test_utils.go
View File

@ -878,9 +878,10 @@ func newThreeHopNetwork(t testing.TB, aliceChannel, firstBobChannel,
}
const (
batchTimeout = 50 * time.Millisecond
fwdPkgTimeout = 5 * time.Second
feeUpdateTimeout = 30 * time.Minute
batchTimeout = 50 * time.Millisecond
fwdPkgTimeout = 5 * time.Second
minFeeUpdateTimeout = 30 * time.Minute
maxFeeUpdateTimeout = 40 * time.Minute
)
pCache := &mockPreimageCache{
@ -919,8 +920,8 @@ func newThreeHopNetwork(t testing.TB, aliceChannel, firstBobChannel,
BatchSize: 10,
BatchTicker: &mockTicker{time.NewTicker(batchTimeout).C},
FwdPkgGCTicker: &mockTicker{time.NewTicker(fwdPkgTimeout).C},
MinFeeUpdateTimeout: feeUpdateTimeout,
MaxFeeUpdateTimeout: feeUpdateTimeout,
MinFeeUpdateTimeout: minFeeUpdateTimeout,
MaxFeeUpdateTimeout: maxFeeUpdateTimeout,
OnChannelFailure: func(lnwire.ChannelID, lnwire.ShortChannelID, LinkFailureError) {},
},
aliceChannel,
@ -962,8 +963,8 @@ func newThreeHopNetwork(t testing.TB, aliceChannel, firstBobChannel,
BatchSize: 10,
BatchTicker: &mockTicker{time.NewTicker(batchTimeout).C},
FwdPkgGCTicker: &mockTicker{time.NewTicker(fwdPkgTimeout).C},
MinFeeUpdateTimeout: feeUpdateTimeout,
MaxFeeUpdateTimeout: feeUpdateTimeout,
MinFeeUpdateTimeout: minFeeUpdateTimeout,
MaxFeeUpdateTimeout: maxFeeUpdateTimeout,
OnChannelFailure: func(lnwire.ChannelID, lnwire.ShortChannelID, LinkFailureError) {},
},
firstBobChannel,
@ -1005,8 +1006,8 @@ func newThreeHopNetwork(t testing.TB, aliceChannel, firstBobChannel,
BatchSize: 10,
BatchTicker: &mockTicker{time.NewTicker(batchTimeout).C},
FwdPkgGCTicker: &mockTicker{time.NewTicker(fwdPkgTimeout).C},
MinFeeUpdateTimeout: feeUpdateTimeout,
MaxFeeUpdateTimeout: feeUpdateTimeout,
MinFeeUpdateTimeout: minFeeUpdateTimeout,
MaxFeeUpdateTimeout: maxFeeUpdateTimeout,
OnChannelFailure: func(lnwire.ChannelID, lnwire.ShortChannelID, LinkFailureError) {},
},
secondBobChannel,
@ -1048,8 +1049,8 @@ func newThreeHopNetwork(t testing.TB, aliceChannel, firstBobChannel,
BatchSize: 10,
BatchTicker: &mockTicker{time.NewTicker(batchTimeout).C},
FwdPkgGCTicker: &mockTicker{time.NewTicker(fwdPkgTimeout).C},
MinFeeUpdateTimeout: feeUpdateTimeout,
MaxFeeUpdateTimeout: feeUpdateTimeout,
MinFeeUpdateTimeout: minFeeUpdateTimeout,
MaxFeeUpdateTimeout: maxFeeUpdateTimeout,
OnChannelFailure: func(lnwire.ChannelID, lnwire.ShortChannelID, LinkFailureError) {},
},
carolChannel,