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Merge pull request #1970 from Roasbeef/more-abandon-channel-details

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rpc: populate additional information in AbandonChannel close summary
This commit is contained in:
Olaoluwa Osuntokun 2018-09-30 20:41:46 -07:00 committed by GitHub
commit 7fe095c541
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1 changed files with 30 additions and 8 deletions
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38
rpcserver.go
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@ -1190,12 +1190,16 @@ out:
func (r *rpcServer) AbandonChannel(ctx context.Context,
in *lnrpc.AbandonChannelRequest) (*lnrpc.AbandonChannelResponse, error) {
// If this isn't the debug build, then we won't allow the RPC to be
// executed, as it's an advanced feature and won't be activated in
// regular production/release builds.
if !DebugBuild {
return nil, fmt.Errorf("AbandonChannel RPC call only " +
"available in debug builds")
}
index := in.ChannelPoint.OutputIndex
// We'll parse out the arguments to we can obtain the chanPoint of the
// target channel.
txidHash, err := getChanPointFundingTxid(in.GetChannelPoint())
if err != nil {
return nil, err
@ -1204,23 +1208,41 @@ func (r *rpcServer) AbandonChannel(ctx context.Context,
if err != nil {
return nil, err
}
index := in.ChannelPoint.OutputIndex
chanPoint := wire.NewOutPoint(txid, index)
// With the chanPoint constructed, we'll attempt to find the target
// channel in the database. If we can't find the channel, then we'll
// return the error back to the caller.
dbChan, err := r.fetchOpenDbChannel(*chanPoint)
if err != nil {
return nil, err
}
// Now that we've found the channel, we'll populate a close summary for
// the channel, so we can store as much information for this abounded
// channel as possible. We also ensure that we set Pending to false, to
// indicate that this channel has been "fully" closed.
_, bestHeight, err := r.server.cc.chainIO.GetBestBlock()
if err != nil {
return nil, err
}
summary := &channeldb.ChannelCloseSummary{
ChanPoint: *chanPoint,
ChainHash: dbChan.ChainHash,
RemotePub: dbChan.IdentityPub,
Capacity: dbChan.Capacity,
CloseType: channeldb.Abandoned,
ShortChanID: dbChan.ShortChannelID,
IsPending: false,
CloseType: channeldb.Abandoned,
ChanPoint: *chanPoint,
ChainHash: dbChan.ChainHash,
CloseHeight: uint32(bestHeight),
RemotePub: dbChan.IdentityPub,
Capacity: dbChan.Capacity,
SettledBalance: dbChan.LocalCommitment.LocalBalance.ToSatoshis(),
ShortChanID: dbChan.ShortChanID(),
RemoteCurrentRevocation: dbChan.RemoteCurrentRevocation,
RemoteNextRevocation: dbChan.RemoteNextRevocation,
LocalChanConfig: dbChan.LocalChanCfg,
}
// Finally, we'll close the channel in the DB, and return back to the
// caller.
err = dbChan.CloseChannel(summary)
if err != nil {
return nil, err