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routing: remove pruneVertexFailure function

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This commit is contained in:
Joost Jager 2018-10-24 10:41:15 +02:00
parent aca136a91c
commit 71037969b7
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GPG Key ID: AE6B0D042C8E38D9
1 changed files with 9 additions and 37 deletions
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46
routing/router.go
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@ -1758,6 +1758,7 @@ func (r *ChannelRouter) sendPayment(payment *LightningPayment,
}
errSource := fErr.ErrorSource
errVertex := NewVertex(errSource)
log.Tracef("node=%x reported failure when sending "+
"htlc=%x", errSource.SerializeCompressed(),
@ -1806,9 +1807,7 @@ func (r *ChannelRouter) sendPayment(payment *LightningPayment,
update := onionErr.Update
r.applyChannelUpdate(&update, errSource)
pruneVertexFailure(
paySession, errSource,
)
paySession.ReportVertexFailure(errVertex)
continue
// If we hit an instance of onion payload corruption or
@ -1849,9 +1848,7 @@ func (r *ChannelRouter) sendPayment(payment *LightningPayment,
chanID := update.ShortChannelID
_, ok := errFailedFeeChans[chanID]
if ok {
pruneVertexFailure(
paySession, errSource,
)
paySession.ReportVertexFailure(errVertex)
continue
}
@ -1868,9 +1865,7 @@ func (r *ChannelRouter) sendPayment(payment *LightningPayment,
update := onionErr.Update
r.applyChannelUpdate(&update, errSource)
pruneVertexFailure(
paySession, errSource,
)
paySession.ReportVertexFailure(errVertex)
continue
// The outgoing channel that this node was meant to
@ -1897,18 +1892,14 @@ func (r *ChannelRouter) sendPayment(payment *LightningPayment,
// required features, then we'll note this error and
// continue.
case *lnwire.FailRequiredNodeFeatureMissing:
pruneVertexFailure(
paySession, errSource,
)
paySession.ReportVertexFailure(errVertex)
continue
// If the send fail due to a node not having the
// required features, then we'll note this error and
// continue.
case *lnwire.FailRequiredChannelFeatureMissing:
pruneVertexFailure(
paySession, errSource,
)
paySession.ReportVertexFailure(errVertex)
continue
// If the next hop in the route wasn't known or
@ -1926,15 +1917,11 @@ func (r *ChannelRouter) sendPayment(payment *LightningPayment,
// reason, then we'll note this and continue with the
// routes.
case *lnwire.FailTemporaryNodeFailure:
pruneVertexFailure(
paySession, errSource,
)
paySession.ReportVertexFailure(errVertex)
continue
case *lnwire.FailPermanentNodeFailure:
pruneVertexFailure(
paySession, errSource,
)
paySession.ReportVertexFailure(errVertex)
continue
// If we crafted a route that contains a too long time
@ -1947,9 +1934,7 @@ func (r *ChannelRouter) sendPayment(payment *LightningPayment,
// that as a hint during future path finding through
// that node.
case *lnwire.FailExpiryTooFar:
pruneVertexFailure(
paySession, errSource,
)
paySession.ReportVertexFailure(errVertex)
continue
// If we get a permanent channel or node failure, then
@ -1968,19 +1953,6 @@ func (r *ChannelRouter) sendPayment(payment *LightningPayment,
}
}
// pruneVertexFailure will attempt to prune a vertex from the current available
// vertexes of the target payment session in response to an encountered routing
// error.
func pruneVertexFailure(paySession *paymentSession, errSource *btcec.PublicKey) {
// By default, we'll try to prune the node that actually sent us the
// error.
errNode := NewVertex(errSource)
// Once we've located the vertex, we'll report this failure to
// missionControl and restart path finding.
paySession.ReportVertexFailure(errNode)
}
// pruneEdgeFailure will attempts to prune an edge from the current available
// edges of the target payment session in response to an encountered routing
// error.