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Drop unused return value from claim_funds_from_hop #3128

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32 changes: 10 additions & 22 deletions lightning/src/ln/channelmanager.rs
Original file line number Diff line number Diff line change
Expand Up @@ -6159,21 +6159,13 @@ where
}
if valid_mpp {
for htlc in sources.drain(..) {
let prev_hop_chan_id = htlc.prev_hop.channel_id;
if let Err((pk, err)) = self.claim_funds_from_hop(
self.claim_funds_from_hop(
htlc.prev_hop, payment_preimage,
|_, definitely_duplicate| {
debug_assert!(!definitely_duplicate, "We shouldn't claim duplicatively from a payment");
Some(MonitorUpdateCompletionAction::PaymentClaimed { payment_hash })
}
) {
if let msgs::ErrorAction::IgnoreError = err.err.action {
// We got a temporary failure updating monitor, but will claim the
// HTLC when the monitor updating is restored (or on chain).
let logger = WithContext::from(&self.logger, None, Some(prev_hop_chan_id), Some(payment_hash));
log_error!(logger, "Temporary failure claiming HTLC, treating as success: {}", err.err.err);
} else { errs.push((pk, err)); }
}
);
}
}
if !valid_mpp {
Expand All @@ -6195,9 +6187,10 @@ where
}
}

fn claim_funds_from_hop<ComplFunc: FnOnce(Option<u64>, bool) -> Option<MonitorUpdateCompletionAction>>(&self,
prev_hop: HTLCPreviousHopData, payment_preimage: PaymentPreimage, completion_action: ComplFunc)
-> Result<(), (PublicKey, MsgHandleErrInternal)> {
fn claim_funds_from_hop<ComplFunc: FnOnce(Option<u64>, bool) -> Option<MonitorUpdateCompletionAction>>(
&self, prev_hop: HTLCPreviousHopData, payment_preimage: PaymentPreimage,
completion_action: ComplFunc,
) {
//TODO: Delay the claimed_funds relaying just like we do outbound relay!

// If we haven't yet run background events assume we're still deserializing and shouldn't
Expand Down Expand Up @@ -6259,7 +6252,7 @@ where
let action = if let Some(action) = completion_action(None, true) {
action
} else {
return Ok(());
return;
};
mem::drop(peer_state_lock);

Expand All @@ -6275,7 +6268,7 @@ where
} else {
debug_assert!(false,
"Duplicate claims should always free another channel immediately");
return Ok(());
return;
};
if let Some(peer_state_mtx) = per_peer_state.get(&node_id) {
let mut peer_state = peer_state_mtx.lock().unwrap();
Expand All @@ -6300,7 +6293,7 @@ where
}
}
}
return Ok(());
return;
}
}
}
Expand Down Expand Up @@ -6348,7 +6341,6 @@ where
// generally always allowed to be duplicative (and it's specifically noted in
// `PaymentForwarded`).
self.handle_monitor_update_completion_actions(completion_action(None, false));
Ok(())
}

fn finalize_claims(&self, sources: Vec<HTLCSource>) {
Expand Down Expand Up @@ -6381,7 +6373,7 @@ where
let completed_blocker = RAAMonitorUpdateBlockingAction::from_prev_hop_data(&hop_data);
#[cfg(debug_assertions)]
let claiming_chan_funding_outpoint = hop_data.outpoint;
let res = self.claim_funds_from_hop(hop_data, payment_preimage,
self.claim_funds_from_hop(hop_data, payment_preimage,
|htlc_claim_value_msat, definitely_duplicate| {
let chan_to_release =
if let Some(node_id) = next_channel_counterparty_node_id {
Expand Down Expand Up @@ -6475,10 +6467,6 @@ where
})
}
});
if let Err((pk, err)) = res {
let result: Result<(), _> = Err(err);
let _ = handle_error!(self, result, pk);
}
},
}
}
Expand Down
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