Function openchannel2_hook_deserialize

lightningd/dual_open_control.c:682–811

static bool
openchannel2_hook_deserialize(struct openchannel2_payload *payload,
			      const char *buffer,
			      const jsmntok_t *toks)
{
	const u8 *shutdown_script;
	const char *err;
	struct subd *dualopend = payload->dualopend;

	/* If our daemon died, we're done */
	if (!dualopend) {
		openchannel2_hook_cb(payload);
		return false;
	}

	const jsmntok_t *t_result = json_get_member(buffer, toks, "result");
	if (!t_result)
		fatal("Plugin returned an invalid response to the"
		      " openchannel2 hook: %.*s",
		      json_tok_full_len(toks),
		      json_tok_full(buffer, toks));

	if (json_tok_streq(buffer, t_result, "reject")) {
		/* Should not have set any other fields if 'reject'ing */
		if (json_get_member(buffer, toks, "close_to"))
			fatal("Plugin rejected openchannel2 but"
			      " also set close_to");
		if (json_get_member(buffer, toks, "psbt"))
			fatal("Plugin rejected openchannel2 but"
			      " also set `psbt`");
		if (json_get_member(buffer, toks, "our_funding_msat"))
			fatal("Plugin rejected openchannel2 but"
			      " also set `our_funding_psbt`");

		const jsmntok_t *t_errmsg = json_get_member(buffer, toks,
							    "error_message");

		if (t_errmsg)
			payload->err_msg = json_strdup(payload,
						       buffer, t_errmsg);
		else
			payload->err_msg = "";

		openchannel2_hook_cb(payload);
		return false;
	} else if (!json_tok_streq(buffer, t_result, "continue"))
		fatal("Plugin returned an invalid response to the"
		      " openchannel2 hook: %.*s",
		      json_tok_full_len(toks),
		      json_tok_full(buffer, toks));

	if (!hook_extract_psbt(payload, dualopend, buffer, toks,
			       "openchannel2", true, &payload->psbt))
		return false;

	shutdown_script =
		hook_extract_shutdown_script(dualopend, buffer, toks);
	if (shutdown_script && payload->our_shutdown_scriptpubkey)