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Merge pull request #2744 from cfromknecht/disable-before-close

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cnct+chancloser: disable channel before closing
This commit is contained in:
Olaoluwa Osuntokun
2019-03-21 21:08:23 -07:00
committed by GitHub
parent e58fa33ab0 714e42fce2
commit c7ca387a9d
5 changed files with 123 additions and 38 deletions
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18
contractcourt/chain_arbitrator.go
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@@ -635,6 +635,14 @@ func (c *ChainArbitrator) ForceCloseContract(chanPoint wire.OutPoint) (*wire.Msg
log.Infof("Attempting to force close ChannelPoint(%v)", chanPoint)
// Before closing, we'll attempt to send a disable update for the
// channel. We do so before closing the channel as otherwise the current
// edge policy won't be retrievable from the graph.
if err := c.cfg.DisableChannel(chanPoint); err != nil {
log.Warnf("Unable to disable channel %v on "+
"close: %v", chanPoint, err)
}
errChan := make(chan error, 1)
respChan := make(chan *wire.MsgTx, 1)
@@ -667,16 +675,6 @@ func (c *ChainArbitrator) ForceCloseContract(chanPoint wire.OutPoint) (*wire.Msg
return nil, ErrChainArbExiting
}
// We'll attempt to disable the channel in the background to
// avoid blocking due to sending the update message to all
// active peers.
go func() {
if err := c.cfg.DisableChannel(chanPoint); err != nil {
log.Errorf("Unable to disable channel %v on "+
"close: %v", chanPoint, err)
}
}()
return closeTx, nil
}