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htlcswitch+channeldb: single tx for removing fwdpkgs

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This commit changes RemoveFwdPkg to RemoveFwdPkgs so that a single
tx is used instead of N where N is the number of fwd pkgs to remove.
This commit is contained in:
eugene 2020-08-19 10:52:44 -04:00
parent e4764a67cc
commit 62e19185f1
3 changed files with 17 additions and 9 deletions
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16
channeldb/channel.go
View File

@ -2409,16 +2409,24 @@ func (c *OpenChannel) SetFwdFilter(height uint64, fwdFilter *PkgFilter) error {
})
}
// RemoveFwdPkg atomically removes a forwarding package specified by the remote
// commitment height.
// RemoveFwdPkgs atomically removes forwarding packages specified by the remote
// commitment heights. If one of the intermediate RemovePkg calls fails, then the
// later packages won't be removed.
//
// NOTE: This method should only be called on packages marked FwdStateCompleted.
func (c *OpenChannel) RemoveFwdPkg(height uint64) error {
func (c *OpenChannel) RemoveFwdPkgs(heights ...uint64) error {
c.Lock()
defer c.Unlock()
return kvdb.Update(c.Db, func(tx kvdb.RwTx) error {
return c.Packager.RemovePkg(tx, height)
for _, height := range heights {
err := c.Packager.RemovePkg(tx, height)
if err != nil {
return err
}
}
return nil
})
}

4
htlcswitch/link.go
View File

@ -776,7 +776,7 @@ func (l *channelLink) resolveFwdPkg(fwdPkg *channeldb.FwdPkg) error {
l.log.Debugf("removing completed fwd pkg for height=%d",
fwdPkg.Height)
err := l.channel.RemoveFwdPkg(fwdPkg.Height)
err := l.channel.RemoveFwdPkgs(fwdPkg.Height)
if err != nil {
l.log.Errorf("unable to remove fwd pkg for height=%d: "+
"%v", fwdPkg.Height, err)
@ -859,7 +859,7 @@ func (l *channelLink) fwdPkgGarbager() {
continue
}
err = l.channel.RemoveFwdPkg(fwdPkg.Height)
err = l.channel.RemoveFwdPkgs(fwdPkg.Height)
if err != nil {
l.log.Warnf("unable to remove fwd pkg "+
"for height=%d: %v",

6
lnwallet/channel.go
View File

@ -4850,9 +4850,9 @@ func (lc *LightningChannel) SetFwdFilter(height uint64,
return lc.channelState.SetFwdFilter(height, fwdFilter)
}
// RemoveFwdPkg permanently deletes the forwarding package at the given height.
func (lc *LightningChannel) RemoveFwdPkg(height uint64) error {
return lc.channelState.RemoveFwdPkg(height)
// RemoveFwdPkgs permanently deletes the forwarding package at the given heights.
func (lc *LightningChannel) RemoveFwdPkgs(heights ...uint64) error {
return lc.channelState.RemoveFwdPkgs(heights...)
}
// NextRevocationKey returns the commitment point for the _next_ commitment