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8c551ae48a
askrene.c was getting quite long, and this is self-contained. The only code change is a convenience accessor for the per-htlc-cost hash table. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
25 lines
917 B
C
25 lines
917 B
C
#ifndef LIGHTNING_PLUGINS_ASKRENE_REFINE_H
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#define LIGHTNING_PLUGINS_ASKRENE_REFINE_H
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#include "config.h"
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#include <ccan/tal/tal.h>
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struct route_query;
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struct amount_msat;
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struct flow;
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/* We got an answer from min-cost-flow, but we now need to:
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* 1. Add fixup exact delivery amounts since MCF deals in larger granularity than msat.
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* 2. Add fees which accumulate through the route.
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* 3. Check for htlc_minimum_msat violations (we simply remove those flows).
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* 4. Trim any flows which (after fees) now violate maximum htlc_minimum_msat/capacity bounds.
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*
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* We try to reassign missing sats to the remaining flows, which is usually easy.
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*
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* Returns NULL on success, or an error message for the caller.
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*/
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const char *
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refine_with_fees_and_limits(const tal_t *ctx,
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struct route_query *rq,
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struct amount_msat deliver,
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struct flow ***flows);
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#endif /* LIGHTNING_PLUGINS_ASKRENE_REFINE_H */
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