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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
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@@ -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
})
}