HF RL Explorer

Channel capacity fee margin too rigid at high feerates, causing HTLC forwarding failures

Channel capacity fee margin too rigid at high feerates, causing HTLC forwarding failures: a task in LegoFlow-SWE (Harbor dataset). Observed symptom When on‑chain feerates are high, lightningd refuses to add any HTLCs to a channel even though there is enough balance to pay the actual fees. The…

The task

**Observed symptom** When on‑chain feerates are high, `lightningd` refuses to add any HTLCs to a channel even though there is enough balance to pay the actual fees. The channel becomes unable to forward payments, and the daemon logs errors like:

Part of Lego-X/LegoFlow-SWE.