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rpcserver: prevent overflow in channel count

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This commit is contained in:
Matt Drollette 2019-02-25 17:21:08 -06:00
parent a6cf6f4237
commit 1664617874
1 changed files with 9 additions and 4 deletions
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13
rpcserver.go
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@ -1779,16 +1779,21 @@ func (r *rpcServer) fetchActiveChannel(chanPoint wire.OutPoint) (
func (r *rpcServer) GetInfo(ctx context.Context,
in *lnrpc.GetInfoRequest) (*lnrpc.GetInfoResponse, error) {
var activeChannels uint32
serverPeers := r.server.Peers()
for _, serverPeer := range serverPeers {
activeChannels += uint32(len(serverPeer.ChannelSnapshots()))
}
openChannels, err := r.server.chanDB.FetchAllOpenChannels()
if err != nil {
return nil, err
}
var activeChannels uint32
for _, channel := range openChannels {
chanID := lnwire.NewChanIDFromOutPoint(&channel.FundingOutpoint)
if r.server.htlcSwitch.HasActiveLink(chanID) {
activeChannels++
}
}
inactiveChannels := uint32(len(openChannels)) - activeChannels
pendingChannels, err := r.server.chanDB.FetchPendingChannels()