Function finish_txprepare

plugins/txprepare.c:228–285

}

static struct command_result *finish_txprepare(struct command *cmd,
					       struct txprepare *txp)
{
	struct json_stream *js;
	struct unreleased_tx *utx;

	/* Add the outputs they gave us */
	for (size_t i = 0; i < tal_count(txp->outputs); i++) {
		struct wally_tx_output *out;

		out = wally_tx_output(NULL, txp->outputs[i].script,
				      txp->outputs[i].amount);
		if (!out)
			return command_fail(cmd, JSONRPC2_INVALID_PARAMS,
					    "Invalid output %zi (%s:%s)", i,
					    tal_hex(tmpctx,
						    txp->outputs[i].script),
					    fmt_amount_sat(tmpctx,
							   txp->outputs[i].amount));
		psbt_add_output(txp->psbt, out, i);

		if (txp->outputs[i].is_to_external)
			psbt_output_mark_as_external(txp->psbt,
						     &txp->psbt->outputs[i]);

		wally_tx_output_free(out);
	}

	/* If this is elements, we should normalize
	 * the PSBT fee output */
	psbt_elements_normalize_fees(txp->psbt);

	utx = tal(NULL, struct unreleased_tx);
	utx->is_upgrade = txp->is_upgrade;
	utx->psbt = tal_steal(utx, txp->psbt);
	psbt_txid(utx, utx->psbt, &utx->txid, &utx->tx);

	/* If this is a withdraw, we sign and send immediately. */
	if (txp->is_withdraw) {
		struct out_req *req;

		/* Won't live beyond this cmd. */
		tal_steal(cmd, utx);
		req = jsonrpc_request_start(cmd, "signpsbt",
					    signpsbt_done,
					    txprepare_forward_error,
					    utx);
		json_add_psbt(req->js, "psbt", utx->psbt);
		return send_outreq(req);
	}

	list_add(&unreleased_txs, &utx->list);
	js = jsonrpc_stream_success(cmd);
	json_add_hex_talarr(js, "unsigned_tx", linearize_wtx(tmpctx, utx->tx));
	json_add_txid(js, "txid", &utx->txid);
	json_add_psbt(js, "psbt", utx->psbt);
	return command_finished(cmd, js);
}