Function invoice_decode_minimal

common/bolt12.c:396–437

}

struct tlv_invoice *invoice_decode_minimal(const tal_t *ctx,
					   const char *b12, size_t b12len,
					   const struct feature_set *our_features,
					   const struct chainparams *must_be_chain,
					   const char **fail)
{
	struct tlv_invoice *invoice;
	const u8 *data;
	size_t dlen;

	data = b12_string_to_data(tmpctx, b12, b12len, "lni", &dlen, fail);
	if (!data) {
		tal_steal(ctx, *fail);
		return NULL;
	}

	invoice = fromwire_tlv_invoice(ctx, &data, &dlen);
	if (!invoice) {
		*fail = tal_fmt(ctx, "invalid invoice data");
		return NULL;
	}

	/* BOLT #12:
	 * - if `invreq_chain` is not present:
	 *   - MUST reject the invoice if bitcoin is not a supported chain.
	 * - otherwise:
	 *   - MUST reject the invoice if `invreq_chain`.`chain` is not a supported chain.
	 * - if `invoice_features` contains unknown _odd_ bits that are non-zero:
	 *  - MUST ignore the bit.
	 * - if `invoice_features` contains unknown _even_ bits that are non-zero:
	 *  - MUST reject the invoice.
	 */
	*fail = check_features_and_chain(ctx,
					 our_features, must_be_chain,
					 invoice->invoice_features,
					 BOLT12_INVOICE_FEATURE,
					 invoice->invreq_chain, 1);
	if (*fail)
		return tal_free(invoice);

	return invoice;
}

static void add_days(struct tm *tm, u32 number)
{