Function invoice_request_for_offer

common/bolt12.c:782–793

BOLT #12: * ## Requirements for Invoice Requests * * The writer: * - if it is responding to an offer: * - MUST copy all fields from the offer (including unknown fields). */

 *     - MUST copy all fields from the offer (including unknown fields).
 */
struct tlv_invoice_request *invoice_request_for_offer(const tal_t *ctx,
						      const struct tlv_offer *offer)
{
	const u8 *cursor;
	size_t max;
	u8 *wire = tal_arr(tmpctx, u8, 0);
	towire_tlv_offer(&wire, offer);

	cursor = wire;
	max = tal_bytelen(wire);
	return fromwire_tlv_invoice_request(ctx, &cursor, &max);
}

/**
 * Prepare a new invoice based on an invoice_request.