Function json_addpsbtoutput

wallet/reservation.c:647–746

AUTODATA(json_command, &fundpsbt_command);

static struct command_result *json_addpsbtoutput(struct command *cmd,
					    const char *buffer,
					    const jsmntok_t *obj UNNEEDED,
					    const jsmntok_t *params)
{
	struct json_stream *response;
	struct amount_sat *amount;
	struct wally_psbt *psbt;
	u32 *locktime;
	ssize_t outnum;
	u32 weight;
	s64 keyidx;
	const u8 *b32script;
	bool *add_initiator_serial_ids;
	struct wally_psbt_output *output;
	u64 serial_id;

	if (!param_check(cmd, buffer, params,
			 p_req("satoshi", param_sat, &amount),
			 p_opt("initialpsbt", param_psbt, &psbt),
			 p_opt("locktime", param_number, &locktime),
			 p_opt("destination", param_bitcoin_address,
			       &b32script),
			 p_opt_def("add_initiator_serial_ids", param_bool,
			 	   &add_initiator_serial_ids, false),
			 NULL))
		return command_param_failed();

	if (!psbt) {
		if (!locktime) {
			locktime = tal(cmd, u32);
			*locktime = default_locktime(cmd->ld->topology);
		}
		psbt = create_psbt(cmd, 0, 0, *locktime);
	} else if (locktime) {
		return command_fail(cmd, FUNDING_PSBT_INVALID,
				    "Can't set locktime of an existing {initialpsbt}");
	}

	if (!validate_psbt(psbt))
		return command_fail(cmd,
				    FUNDING_PSBT_INVALID,
				    "PSBT failed to validate.");

	if (amount_sat_less(*amount, chainparams->dust_limit))
		return command_fail(cmd, FUND_OUTPUT_IS_DUST,
				    "Receive amount is below dust limit (%s)",
				    fmt_amount_sat(tmpctx,
						   chainparams->dust_limit));

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

	/* Get a change adddress */
	if (!b32script) {
		enum addrtype type;

		/* FIXME: P2TR for elements! */