Function handle_invreq_response

plugins/fetchinvoice.c:158–407

}

static struct command_result *handle_invreq_response(struct command *cmd,
						     struct sent *sent,
						     const char *buf,
						     const jsmntok_t *om)
{
	const u8 *invbin;
	const jsmntok_t *invtok;
	size_t len;
	struct tlv_invoice *inv;
	struct sha256 merkle, sighash;
	struct json_stream *out;
	const char *badfield;
	u64 *expected_amount;

	invtok = json_get_member(buf, om, "invoice");
	if (!invtok) {
		plugin_log(cmd->plugin, LOG_UNUSUAL,
			   "Neither invoice nor invoice_request_failed in reply %.*s",
			   json_tok_full_len(om),
			   json_tok_full(buf, om));
		discard_result(command_fail(sent->cmd,
					    OFFER_BAD_INVREQ_REPLY,
					    "Neither invoice nor invoice_request_failed in reply %.*s",
					    json_tok_full_len(om),
					    json_tok_full(buf, om)));
		return command_hook_success(cmd);
	}

	invbin = json_tok_bin_from_hex(cmd, buf, invtok);
	len = tal_bytelen(invbin);
 	inv = fromwire_tlv_invoice(cmd, &invbin, &len);
	if (!inv) {
		badfield = "invoice";
		goto badinv;
	}

#if DEVELOPER
	/* Raw send?  Just fwd reply. */
	if (!sent->offer) {
		out = jsonrpc_stream_success(sent->cmd);
		json_add_string(out, "invoice", invoice_encode(tmpctx, inv));
		discard_result(command_finished(sent->cmd, out));
		return command_hook_success(cmd);
	}
#endif /* DEVELOPER */

	/* BOLT-offers #12:
	 * - MUST reject the invoice unless `node_id` is equal to the offer.
	 */
	if (!point32_eq(sent->offer->node_id, inv->node_id)) {
		badfield = "node_id";
		goto badinv;
	}

	/* BOLT-offers #12:
	 *   - MUST reject the invoice if `signature` is not a valid signature
	 *      using `node_id` as described in [Signature Calculation]
	 */