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7f629e545e
We now return the same error for various "does not match this invoice", so it makes sense to encapsulate these checks. We'll also want to expose this for multi-part payments. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
46 lines
1.3 KiB
C
46 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 <wire/gen_onion_wire.h>
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struct amount_msat;
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struct htlc_in;
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struct lightningd;
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struct sha256;
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/**
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* invoice_check_payment - check if this payment would be valid
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* @ctx: tal context to allocate return off
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* @ld: lightningd
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* @payment_hash: hash of preimage they want.
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* @msat: amount they offer to pay.
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* @payment_secret: they payment secret they sent, if any.
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*
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* Returns NULL if there's a problem, otherwise returns the invoice details.
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*/
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const struct invoice_details *
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invoice_check_payment(const tal_t *ctx,
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struct lightningd *ld,
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const struct sha256 *payment_hash,
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const struct amount_msat msat,
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const struct secret *payment_secret);
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/**
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* invoice_try_pay - process payment for this payment_hash, amount msat.
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* @ld: lightningd
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* @hin: the input HTLC which is offering to pay.
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* @payment_hash: hash of preimage they want.
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* @msat: amount they offer to pay.
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* @payment_secret: they payment secret they sent, if any.
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*
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* Either calls fulfill_htlc() or fail_htlcs().
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*/
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void invoice_try_pay(struct lightningd *ld,
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struct htlc_in *hin,
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const struct sha256 *payment_hash,
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const struct amount_msat msat,
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const struct secret *payment_secret);
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#endif /* LIGHTNING_LIGHTNINGD_INVOICE_H */
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