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Extend logging of ignored candidates

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Elias Rohrer 2023-09-22 15:00:43 +02:00
parent 391da3f3b2
commit a8eef297fc
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1 changed files with 25 additions and 3 deletions
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28
lightning/src/routing/router.rs
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@ -1718,6 +1718,8 @@ where L::Target: Logger {
let mut num_ignored_cltv_delta_limit = 0;
let mut num_ignored_previously_failed = 0;
let mut num_ignored_total_fee_limit = 0;
let mut num_ignored_avoid_overpayment = 0;
let mut num_ignored_htlc_minimum_msat_limit = 0;
macro_rules! add_entry {
// Adds entry which goes from $src_node_id to $dest_node_id over the $candidate hop.
@ -1826,6 +1828,12 @@ where L::Target: Logger {
}
num_ignored_previously_failed += 1;
} else if may_overpay_to_meet_path_minimum_msat {
if should_log_candidate {
log_trace!(logger,
"Ignoring {} to avoid overpaying to meet htlc_minimum_msat limit.",
LoggedCandidateHop(&$candidate));
}
num_ignored_avoid_overpayment += 1;
hit_minimum_limit = true;
} else if over_path_minimum_msat {
// Note that low contribution here (limited by available_liquidity_msat)
@ -1976,6 +1984,13 @@ where L::Target: Logger {
}
}
}
} else {
if should_log_candidate {
log_trace!(logger,
"Ignoring {} due to its htlc_minimum_msat limit.",
LoggedCandidateHop(&$candidate));
}
num_ignored_htlc_minimum_msat_limit += 1;
}
}
}
@ -2443,15 +2458,22 @@ where L::Target: Logger {
log_trace!(logger, "Collected exactly our payment amount on the first pass, without hitting an htlc_minimum_msat limit, exiting.");
break 'paths_collection;
}
log_trace!(logger, "Collected our payment amount on the first pass, but running again to collect extra paths with a potentially higher limit.");
log_trace!(logger, "Collected our payment amount on the first pass, but running again to collect extra paths with a potentially higher value to meet htlc_minimum_msat limit.");
path_value_msat = recommended_value_msat;
}
}
let num_ignored_total = num_ignored_value_contribution + num_ignored_path_length_limit +
num_ignored_cltv_delta_limit + num_ignored_previously_failed + num_ignored_total_fee_limit;
num_ignored_cltv_delta_limit + num_ignored_previously_failed +
num_ignored_avoid_overpayment + num_ignored_htlc_minimum_msat_limit +
num_ignored_total_fee_limit;
if num_ignored_total > 0 {
log_trace!(logger, "Ignored {} candidate hops due to insufficient value contribution, {} due to path length limit, {} due to CLTV delta limit, {} due to previous payment failure, {} due to maximum total fee limit. Total: {} ignored candidates.", num_ignored_value_contribution, num_ignored_path_length_limit, num_ignored_cltv_delta_limit, num_ignored_previously_failed, num_ignored_total_fee_limit, num_ignored_total);
log_trace!(logger,
"Ignored {} candidate hops due to insufficient value contribution, {} due to path length limit, {} due to CLTV delta limit, {} due to previous payment failure, {} due to htlc_minimum_msat limit, {} to avoid overpaying, {} due to maximum total fee limit. Total: {} ignored candidates.",
num_ignored_value_contribution, num_ignored_path_length_limit,
num_ignored_cltv_delta_limit, num_ignored_previously_failed,
num_ignored_htlc_minimum_msat_limit, num_ignored_avoid_overpayment,
num_ignored_total_fee_limit, num_ignored_total);
}
// Step (5).