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Paid invoices need to know how much was actually paid: both for the case where no 'msatoshi' amount was specified, and for the normal case, where clients are permitted to overpay in order to help them disguise their payments. While we migrate the db, we leave this field as 0 for old paid invoices. This is unhelpful for accounting, but at least clearly indicates what happened if we find this in the wild. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
52 lines
1.3 KiB
C
52 lines
1.3 KiB
C
#ifndef LIGHTNING_LIGHTNINGD_INVOICE_H
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#define LIGHTNING_LIGHTNINGD_INVOICE_H
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#include "config.h"
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#include <bitcoin/preimage.h>
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#include <ccan/crypto/sha256/sha256.h>
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#include <ccan/list/list.h>
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#include <ccan/tal/tal.h>
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struct invoices;
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struct lightningd;
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/* /!\ This is a DB ENUM, please do not change the numbering of any
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* already defined elements (adding is ok) /!\ */
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enum invoice_status {
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UNPAID,
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PAID,
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};
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struct invoice {
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/* List off ld->invoices->invlist */
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struct list_node list;
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/* Database ID */
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u64 id;
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enum invoice_status state;
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const char *label;
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/* NULL if they specified "any" */
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u64 *msatoshi;
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/* Set if state == PAID */
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u64 msatoshi_received;
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struct preimage r;
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u64 expiry_time;
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struct sha256 rhash;
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/* Non-zero if state == PAID */
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u64 pay_index;
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/* Any JSON waitinvoice calls waiting for this to be paid. */
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struct list_head waitone_waiters;
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};
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#define INVOICE_MAX_LABEL_LEN 128
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/* From database */
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void invoice_add(struct invoices *invs,
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struct invoice *inv);
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void resolve_invoice(struct lightningd *ld, struct invoice *invoice,
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u64 msatoshi_received);
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struct invoice *find_unpaid(struct invoices *i,
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const struct sha256 *rhash);
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struct invoices *invoices_init(const tal_t *ctx);
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#endif /* LIGHTNING_LIGHTNINGD_INVOICE_H */
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