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for every new added htlc, check that adding it won't go over our 'dust budget' (which assumes a slightly higher than current feerate, as this prevents sudden feerate changes from overshooting our dust budget) note that if the feerate changes surpass the limits we've set, we immediately fail the channel.
19 lines
620 B
C
19 lines
620 B
C
#ifndef LIGHTNING_COMMON_HTLC_TRIM_H
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#define LIGHTNING_COMMON_HTLC_TRIM_H
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#include "config.h"
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#include <common/amount.h>
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#include <common/htlc.h>
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/* If this htlc too small to create an output on @side's commitment tx? */
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bool htlc_is_trimmed(enum side htlc_owner,
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struct amount_msat htlc_amount,
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u32 feerate_per_kw,
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struct amount_sat dust_limit,
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enum side side,
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bool option_anchor_outputs);
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/* Calculate the our htlc-trimming buffer feerate
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* (max(25%, 10s/vbyte) above feerate_per_kw) */
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u32 htlc_trim_feerate_ceiling(u32 feerate_per_kw);
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#endif /* LIGHTNING_COMMON_HTLC_TRIM_H */
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