Function json_openchannel2_sign_call

plugins/funder.c:284–352

}

static struct command_result *
json_openchannel2_sign_call(struct command *cmd,
			    const char *buf,
			    const jsmntok_t *params)
{
	struct channel_id cid;
	struct wally_psbt *psbt;
	const char *err;
	struct out_req *req;
	struct pending_open *open;
	size_t count;

	err = json_scan(tmpctx, buf, params,
			"{openchannel2_sign:"
			"{channel_id:%,psbt:%}}",
			JSON_SCAN(json_to_channel_id, &cid),
			JSON_SCAN_TAL(cmd, json_to_psbt, &psbt));

	if (err)
		plugin_err(cmd->plugin,
			   "`openchannel2_sign` payload did not scan %s: %.*s",
			   err, json_tok_full_len(params),
			   json_tok_full(buf, params));

	/* If we're not tracking this open, just pass through */
	open = find_channel_pending_open(&cid);
	if (!open) {
		plugin_log(cmd->plugin, LOG_DBG,
			   "nothing to sign for channel %s",
			   fmt_channel_id(tmpctx, &cid));
		return command_hook_cont_psbt(cmd, psbt);
	}

	if (!psbt_has_our_input(psbt)) {
		plugin_log(cmd->plugin, LOG_DBG,
			   "no inputs to sign for channel %s",
			   fmt_channel_id(tmpctx, &cid));
		return command_hook_cont_psbt(cmd, psbt);
	}

	plugin_log(cmd->plugin, LOG_DBG,
		   "openchannel_sign PSBT is %s",
		   fmt_wally_psbt(tmpctx, psbt));

	req = jsonrpc_request_start(cmd,
				    "signpsbt",
				    &signpsbt_done,
				    &forward_error,
				    open);
	json_add_psbt(req->js, "psbt", psbt);
	/* Use input markers to identify which inputs
	 * are ours, only sign those */
	json_array_start(req->js, "signonly");
	count = 0;
	for (size_t i = 0; i < psbt->num_inputs; i++) {
		if (psbt_input_is_ours(&psbt->inputs[i])) {
			json_add_num(req->js, NULL, i);
			count++;