c17c240f79
They tell us what paths they're using, so we can adjust capacity estimates accordingly. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Header from folded patch 'reserve-fixup.patch': fixup! askrene: reservation implementation.
39 lines
1.4 KiB
C
39 lines
1.4 KiB
C
#ifndef LIGHTNING_PLUGINS_ASKRENE_RESERVE_H
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#define LIGHTNING_PLUGINS_ASKRENE_RESERVE_H
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/* We have to know what payments are in progress, so we can take into
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* account the reduced capacity of channels. We do this by telling
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* everyone to reserve / unreserve paths as they use them. */
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#include "config.h"
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#include <bitcoin/short_channel_id.h>
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#include <common/amount.h>
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/* We reserve a path being used. This records how many and how much */
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struct reserve {
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size_t num_htlcs;
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struct short_channel_id_dir scidd;
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struct amount_msat amount;
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};
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/* Initialize hash table for reservations */
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struct reserve_hash *new_reserve_hash(const tal_t *ctx);
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/* Find a reservation for this scidd (if any!) */
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const struct reserve *find_reserve(const struct reserve_hash *reserved,
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const struct short_channel_id_dir *scidd);
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/* Atomically add to reserves, or fail.
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* Returns offset of failure, or num on success */
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size_t reserves_add(struct reserve_hash *reserved,
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const struct short_channel_id_dir *scidds,
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const struct amount_msat *amounts,
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size_t num);
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/* Atomically remove from reserves, to fail.
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* Returns offset of failure or tal_count(scidds) */
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size_t reserves_remove(struct reserve_hash *reserved,
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const struct short_channel_id_dir *scidds,
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const struct amount_msat *amounts,
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size_t num);
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#endif /* LIGHTNING_PLUGINS_ASKRENE_RESERVE_H */
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