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Explain no-std Bolt11Invoice::duration_since_epoch

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Jeffrey Czyz 2024-11-11 16:43:53 -06:00
parent 716758f5a3
commit e9051f84f2
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4
lightning/src/ln/channelmanager.rs
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@ -9268,6 +9268,10 @@ where
SystemTime::now().duration_since(SystemTime::UNIX_EPOCH)
.expect("SystemTime::now() should be after SystemTime::UNIX_EPOCH")
};
// This may be up to 2 hours in the future because of bitcoin's block time rule or about
// 10-30 minutes in the past if a block hasn't been found recently. This should be fine as
// the default invoice expiration is 2 hours, though shorter expirations may be problematic.
#[cfg(not(feature = "std"))]
let duration_since_epoch =
Duration::from_secs(self.highest_seen_timestamp.load(Ordering::Acquire) as u64);