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Stop allowing new commitments without updates/revoke

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Matt Corallo 2018-03-25 15:48:12 -04:00
parent 9606f94caf
commit 7bb290fe3a
1 changed files with 13 additions and 0 deletions
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13
src/ln/channel.rs
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@ -1621,6 +1621,19 @@ impl Channel {
if (self.channel_state & (ChannelState::ChannelFunded as u32)) != (ChannelState::ChannelFunded as u32) { if (self.channel_state & (ChannelState::ChannelFunded as u32)) != (ChannelState::ChannelFunded as u32) {
return Err(HandleError{err: "Cannot create commitment tx until channel is fully established", msg: None}); return Err(HandleError{err: "Cannot create commitment tx until channel is fully established", msg: None});
} }
if (self.channel_state & (ChannelState::AwaitingRemoteRevoke as u32)) == (ChannelState::AwaitingRemoteRevoke as u32) {
return Err(HandleError{err: "Cannot create commitment tx until remote revokes their previous commitment", msg: None});
}
let mut have_updates = false; // TODO initialize with "have we sent a fee update?"
for htlc in self.pending_htlcs.iter() {
if htlc.state == HTLCState::LocalAnnounced {
have_updates = true;
}
if have_updates { break; }
}
if !have_updates {
return Err(HandleError{err: "Cannot create commitment tx until we have some updates to send", msg: None});
}
let funding_script = self.get_funding_redeemscript(); let funding_script = self.get_funding_redeemscript();