Function json_sendpsbt

wallet/walletrpc.c:1153–1243

}

static struct command_result *json_sendpsbt(struct command *cmd,
					    const char *buffer,
					    const jsmntok_t *obj,
					    const jsmntok_t *params)
{
	struct command_result *res;
	struct sending_psbt *sending;
	struct wally_psbt *psbt;
	struct lightningd *ld = cmd->ld;
	u32 *reserve_blocks;
	struct peer *p;
	struct peer_node_id_map_iter it;

	if (!param_check(cmd, buffer, params,
			 p_req("psbt", param_psbt, &psbt),
			 p_opt_def("reserve", param_number, &reserve_blocks, 12 * 6),
			 NULL))
		return command_param_failed();

	sending = tal(cmd, struct sending_psbt);
	sending->cmd = cmd;
	sending->reserve_blocks = *reserve_blocks;

	psbt_finalize(psbt);
	sending->wtx = psbt_final_tx(sending, psbt);

	/* psbt contains info about which outputs are to external,
	 * and thus need a coin_move issued for them. We only
	 * notify if the transaction broadcasts */
	sending->psbt = tal_steal(sending, psbt);

	if (!sending->wtx)
		return command_fail(cmd, LIGHTNINGD,
				    "PSBT not finalizeable %s",
				    fmt_wally_psbt(tmpctx, psbt));

	/* We have to find/locate the utxos that are ours on this PSBT,
	 * so that we know who to mark as used.
	 */
	res = match_psbt_inputs_to_utxos(cmd, psbt, NULL, &sending->utxos);
	if (res)
		return res;

	if (command_check_only(cmd))
		return command_check_done(cmd);

	/* If this corresponds to one or more channels' PSBT, upgrade
	 * those to signed versions! */
	for (p = peer_node_id_map_first(ld->peers, &it);
	     p;
	     p = peer_node_id_map_next(ld->peers, &it)) {
		struct channel *c;

		list_for_each(&p->channels, c, list) {
			bool was_withheld;

			if (!c->funding_psbt)
				continue;