57 lines
1.6 KiB
C
57 lines
1.6 KiB
C
#ifndef LIGHTNING_LIGHTNINGD_HTLC_SET_H
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#define LIGHTNING_LIGHTNINGD_HTLC_SET_H
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#include "config.h"
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#include <ccan/crypto/sha256/sha256.h>
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#include <ccan/crypto/siphash24/siphash24.h>
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#include <ccan/htable/htable_type.h>
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#include <common/amount.h>
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#include <common/pseudorand.h>
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#include <common/utils.h>
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#include <wire/onion_wire.h>
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struct htlc_in;
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struct lightningd;
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/* Set of incoming HTLCs for multi-part-payments */
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struct htlc_set {
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struct amount_msat total_msat, so_far;
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struct sha256 payment_hash;
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struct htlc_in **htlcs;
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struct oneshot *timeout;
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};
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static inline const struct sha256 *keyof_htlc_set(const struct htlc_set *set)
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{
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return &set->payment_hash;
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}
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static inline size_t hash_payment_hash(const struct sha256 *payment_hash)
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{
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return siphash24(siphash_seed(), payment_hash, sizeof(&payment_hash));
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}
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static inline bool htlc_set_eq(const struct htlc_set *set,
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const struct sha256 *payment_hash)
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{
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return sha256_eq(payment_hash, &set->payment_hash);
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}
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HTABLE_DEFINE_TYPE(struct htlc_set,
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keyof_htlc_set,
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hash_payment_hash,
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htlc_set_eq,
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htlc_set_map);
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/* Handles hin: if it completes a set, hands that to invoice_try_pay */
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void htlc_set_add(struct lightningd *ld,
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struct htlc_in *hin,
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struct amount_msat total_msat,
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const struct secret *payment_secret);
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/* Fail every htlc in the set: frees set */
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void htlc_set_fail(struct htlc_set *set, const u8 *failmsg TAKES);
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/* Fulfill every htlc in the set: frees set */
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void htlc_set_fulfill(struct htlc_set *set, const struct preimage *preimage);
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#endif /* LIGHTNING_LIGHTNINGD_HTLC_SET_H */
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