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LSPS2: Also prune expired OutboundJITChannels pending initial payments

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We're now also pruning any expired `OutboundJITChannels` if we haven't
seen any related HTLCs.
This commit is contained in:
Elias Rohrer 2024-12-10 09:36:09 +01:00
parent b39c8b09ba
commit 776ede44cb
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1 changed files with 22 additions and 0 deletions
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22
lightning-liquidity/src/lsps2/service.rs
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@ -435,6 +435,18 @@ impl OutboundJITChannel {
self.state = new_state;
Ok(action)
}
fn is_prunable(&self) -> bool {
// We deem an OutboundJITChannel prunable if our offer expired and we haven't intercepted
// any HTLCs initiating the flow yet.
let is_pending_initial_payment = match self.state {
OutboundJITChannelState::PendingInitialPayment { .. } => true,
_ => false,
};
let is_expired = is_expired_opening_fee_params(&self.opening_fee_params);
is_pending_initial_payment && is_expired
}
}
struct PeerState {
@ -472,6 +484,16 @@ impl PeerState {
},
}
});
self.outbound_channels_by_intercept_scid.retain(|intercept_scid, entry| {
if entry.is_prunable() {
// We abort the flow, and prune any data kept.
self.intercept_scid_by_channel_id.retain(|_, iscid| intercept_scid != iscid);
self.intercept_scid_by_user_channel_id.retain(|_, iscid| intercept_scid != iscid);
return false;
}
true
});
}
}