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discovery: skip non-maxHTLC updates in gossip sync

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We skip syncing channel updates that don't conform to the spec.
This commit is contained in:
bitromortac 2023-02-16 14:41:49 +01:00
parent 6aac2762b3
commit 6459385dfd
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GPG Key ID: 1965063FC13BEBE2
1 changed files with 17 additions and 2 deletions
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19
discovery/chan_series.go
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@ -7,6 +7,7 @@ import (
"github.com/lightningnetwork/lnd/channeldb"
"github.com/lightningnetwork/lnd/lnwire"
"github.com/lightningnetwork/lnd/netann"
"github.com/lightningnetwork/lnd/routing"
"github.com/lightningnetwork/lnd/routing/route"
)
@ -131,10 +132,24 @@ func (c *ChanSeries) UpdatesInHorizon(chain chainhash.Hash,
updates = append(updates, chanAnn)
if edge1 != nil {
updates = append(updates, edge1)
// We don't want to send channel updates that don't
// conform to the spec (anymore).
err := routing.ValidateChannelUpdateFields(0, edge1)
if err != nil {
log.Errorf("not sending invalid channel "+
"update %v: %v", edge1, err)
} else {
updates = append(updates, edge1)
}
}
if edge2 != nil {
updates = append(updates, edge2)
err := routing.ValidateChannelUpdateFields(0, edge2)
if err != nil {
log.Errorf("not sending invalid channel "+
"update %v: %v", edge2, err)
} else {
updates = append(updates, edge2)
}
}
}