diff options
Diffstat (limited to 'src/lib/exchange_api_management_set_wire_fee.c')
| -rw-r--r-- | src/lib/exchange_api_management_set_wire_fee.c | 220 |
1 files changed, 220 insertions, 0 deletions
diff --git a/src/lib/exchange_api_management_set_wire_fee.c b/src/lib/exchange_api_management_set_wire_fee.c new file mode 100644 index 000000000..8d2966489 --- /dev/null +++ b/src/lib/exchange_api_management_set_wire_fee.c @@ -0,0 +1,220 @@ +/* + This file is part of TALER + Copyright (C) 2020 Taler Systems SA + + TALER is free software; you can redistribute it and/or modify it under the + terms of the GNU General Public License as published by the Free Software + Foundation; either version 3, or (at your option) any later version. + + TALER is distributed in the hope that it will be useful, but WITHOUT ANY + WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR + A PARTICULAR PURPOSE. See the GNU General Public License for more details. + + You should have received a copy of the GNU General Public License along with + TALER; see the file COPYING. If not, see + <http://www.gnu.org/licenses/> +*/ +/** + * @file lib/exchange_api_management_set_wire_fee.c + * @brief functions to set wire fees at an exchange + * @author Christian Grothoff + */ +#include "platform.h" +#include "taler_json_lib.h" +#include <gnunet/gnunet_curl_lib.h> +#include "taler_exchange_service.h" +#include "taler_signatures.h" +#include "taler_curl_lib.h" +#include "taler_json_lib.h" + + +struct TALER_EXCHANGE_ManagementSetWireFeeHandle +{ + + /** + * The url for this request. + */ + char *url; + + /** + * Minor context that holds body and headers. + */ + struct TALER_CURL_PostContext post_ctx; + + /** + * Handle for the request. + */ + struct GNUNET_CURL_Job *job; + + /** + * Function to call with the result. + */ + TALER_EXCHANGE_ManagementSetWireFeeCallback cb; + + /** + * Closure for @a cb. + */ + void *cb_cls; + + /** + * Reference to the execution context. + */ + struct GNUNET_CURL_Context *ctx; +}; + + +/** + * Function called when we're done processing the + * HTTP /management/wire request. + * + * @param cls the `struct TALER_EXCHANGE_ManagementAuditorEnableHandle *` + * @param response_code HTTP response code, 0 on error + * @param response response body, NULL if not in JSON + */ +static void +handle_set_wire_fee_finished (void *cls, + long response_code, + const void *response) +{ + struct TALER_EXCHANGE_ManagementSetWireFeeHandle *swfh = cls; + const json_t *json = response; + struct TALER_EXCHANGE_HttpResponse hr = { + .http_status = (unsigned int) response_code, + .reply = json + }; + + swfh->job = NULL; + switch (response_code) + { + case MHD_HTTP_NO_CONTENT: + break; + case MHD_HTTP_FORBIDDEN: + hr.ec = TALER_JSON_get_error_code (json); + hr.hint = TALER_JSON_get_error_hint (json); + break; + case MHD_HTTP_CONFLICT: + hr.ec = TALER_JSON_get_error_code (json); + hr.hint = TALER_JSON_get_error_hint (json); + break; + case MHD_HTTP_PRECONDITION_FAILED: + hr.ec = TALER_JSON_get_error_code (json); + hr.hint = TALER_JSON_get_error_hint (json); + break; + default: + /* unexpected response code */ + GNUNET_break_op (0); + hr.ec = TALER_JSON_get_error_code (json); + hr.hint = TALER_JSON_get_error_hint (json); + GNUNET_log (GNUNET_ERROR_TYPE_ERROR, + "Unexpected response code %u/%d\n", + (unsigned int) response_code, + (int) hr.ec); + break; + } + if (NULL != swfh->cb) + { + swfh->cb (swfh->cb_cls, + &hr); + swfh->cb = NULL; + } + TALER_EXCHANGE_management_set_wire_fees_cancel (swfh); +} + + +struct TALER_EXCHANGE_ManagementSetWireFeeHandle * +TALER_EXCHANGE_management_set_wire_fees ( + struct GNUNET_CURL_Context *ctx, + const char *exchange_base_url, + const char *wire_method, + struct GNUNET_TIME_Absolute validity_start, + struct GNUNET_TIME_Absolute validity_end, + const struct TALER_Amount *wire_fee, + const struct TALER_Amount *closing_fee, + const struct TALER_MasterSignatureP *master_sig, + TALER_EXCHANGE_ManagementWireEnableCallback cb, + void *cb_cls) +{ + struct TALER_EXCHANGE_ManagementSetWireFeeHandle *swfh; + CURL *eh; + json_t *body; + + swfh = GNUNET_new (struct TALER_EXCHANGE_ManagementSetWireFeeHandle); + swfh->cb = cb; + swfh->cb_cls = cb_cls; + swfh->ctx = ctx; + swfh->url = TALER_url_join (exchange_base_url, + "management/wire-fee", + NULL); + if (NULL == swfh->url) + { + GNUNET_log (GNUNET_ERROR_TYPE_ERROR, + "Could not construct request URL.\n"); + GNUNET_free (swfh); + return NULL; + } + body = json_pack ("{s:s, s:o, s:o, s:o, s:o}", + "wire_method", + wire_method, + "master_sig", + GNUNET_JSON_from_data_auto (master_sig), + "fee_start", + GNUNET_JSON_from_time_abs (validity_start), + "fee_end", + GNUNET_JSON_from_time_abs (validity_end), + "closing_fee", + TALER_JSON_from_amount (closing_fee), + "wire_fee", + TALER_JSON_from_amount (wire_fee)); + if (NULL == body) + { + GNUNET_break (0); + GNUNET_free (swfh->url); + GNUNET_free (swfh); + return NULL; + } + eh = curl_easy_init (); + if (GNUNET_OK != + TALER_curl_easy_post (&swfh->post_ctx, + eh, + body)) + { + GNUNET_break (0); + json_decref (body); + GNUNET_free (swfh->url); + GNUNET_free (eh); + return NULL; + } + json_decref (body); + GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, + "Requesting URL '%s'\n", + swfh->url); + GNUNET_assert (CURLE_OK == curl_easy_setopt (eh, + CURLOPT_URL, + swfh->url)); + swfh->job = GNUNET_CURL_job_add2 (ctx, + eh, + swfh->post_ctx.headers, + &handle_set_wire_fee_finished, + swfh); + if (NULL == swfh->job) + { + TALER_EXCHANGE_management_set_wire_fees_cancel (swfh); + return NULL; + } + return swfh; +} + + +void +TALER_EXCHANGE_management_set_wire_fees_cancel ( + struct TALER_EXCHANGE_ManagementSetWireFeeHandle *swfh) +{ + if (NULL != swfh->job) + { + GNUNET_CURL_job_cancel (swfh->job); + swfh->job = NULL; + } + TALER_curl_easy_post_finished (&swfh->post_ctx); + GNUNET_free (swfh->url); + GNUNET_free (swfh); +} |