core-lightning/lightningd/invoice.h
Rusty Russell c2d89e4624 sendpays: hook into the wait subsystem.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Changelog-Added: JSON-RPC: `wait` now works for `sendpays` infrastructure.
2023-10-28 15:48:26 +10:30

98 lines
3.1 KiB
C

#ifndef LIGHTNING_LIGHTNINGD_INVOICE_H
#define LIGHTNING_LIGHTNINGD_INVOICE_H
#include "config.h"
#include <wallet/wallet.h>
#include <wire/onion_wire.h>
struct amount_msat;
struct htlc_set;
struct json_escape;
struct lightningd;
struct sha256;
/* The information about an invoice */
struct invoice_details {
/* Current invoice state */
enum invoice_status state;
/* Preimage for this invoice */
struct preimage r;
/* Hash of preimage r */
struct sha256 rhash;
/* Label assigned by user */
const struct json_escape *label;
/* NULL if they specified "any" */
struct amount_msat *msat;
/* Absolute UNIX epoch time this will expire */
u64 expiry_time;
/* Set if state == PAID; order to be returned by waitanyinvoice */
u64 pay_index;
/* Set if state == PAID; amount received */
struct amount_msat received;
/* Set if state == PAID; time paid */
u64 paid_timestamp;
/* Set if state == PAID and invoice paid on chain; outpoint containing the payment */
const struct bitcoin_outpoint *paid_outpoint;
/* BOLT11 or BOLT12 encoding for this invoice */
const char *invstring;
/* The description of the payment. */
char *description;
/* The features, if any (tal_arr) */
u8 *features;
/* The offer this refers to, if any. */
struct sha256 *local_offer_id;
/* Index values */
u64 created_index, updated_index;
};
/**
* invoice_check_payment - check if this payment would be valid
* @ctx: tal context to allocate return off
* @ld: lightningd
* @payment_hash: hash of preimage they want.
* @msat: amount they offer to pay.
* @payment_secret: they payment secret they sent, if any.
* @err: error string if it returns NULL.
*
* Returns NULL if there's a problem, otherwise returns the invoice details.
*/
const struct invoice_details *invoice_check_payment(const tal_t *ctx,
struct lightningd *ld,
const struct sha256 *payment_hash,
const struct amount_msat msat,
const struct secret *payment_secret,
const char **err);
/**
* invoice_check_onchain_payment - check if this on-chain payment would be valid
* @ld: the lightning context
* @scriptPubKey: fallback script with which to search for invoices
* @sat: output amount
* @outpoint: the outpoint which paid it.
*/
void invoice_check_onchain_payment(struct lightningd *ld,
const u8 *scriptPubKey,
struct amount_sat sat,
const struct bitcoin_outpoint *outpoint);
/**
* invoice_try_pay - process payment for these incoming payments.
* @ld: lightningd
* @set: the htlc_set used to pay this (NULL if onchain)
* @details: returned from successful invoice_check_payment.
* @msat: the amount of the output or htlc_set
* @outpoint: the onchain outpoint (iff onchain).
*
* If @set is not NULL, either calls fulfill_htlc_set() or fail_htlc_set().
*/
void invoice_try_pay(struct lightningd *ld,
struct htlc_set *set,
const struct invoice_details *details,
struct amount_msat msat,
const struct bitcoin_outpoint *outpoint);
/* Simple enum -> string converter for JSON fields */
const char *invoice_status_str(enum invoice_status state);
#endif /* LIGHTNING_LIGHTNINGD_INVOICE_H */