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authorChristian Grothoff <christian@grothoff.org>2022-03-05 18:18:25 +0100
committerChristian Grothoff <christian@grothoff.org>2022-03-05 18:18:25 +0100
commit54106e63dca71dd983315c1935c5ca391f9fc254 (patch)
tree97ea8fe451847dae24412e3ebf27451bc9632d74 /src/lib
parenta080f118904525034777686e294f9ad5f703c71c (diff)
add client API for setting global fees
Diffstat (limited to 'src/lib')
-rw-r--r--src/lib/Makefile.am1
-rw-r--r--src/lib/exchange_api_management_set_global_fee.c224
-rw-r--r--src/lib/exchange_api_management_set_wire_fee.c2
3 files changed, 226 insertions, 1 deletions
diff --git a/src/lib/Makefile.am b/src/lib/Makefile.am
index 17ad7937d..7d49f53cd 100644
--- a/src/lib/Makefile.am
+++ b/src/lib/Makefile.am
@@ -40,6 +40,7 @@ libtalerexchange_la_SOURCES = \
exchange_api_management_post_extensions.c \
exchange_api_management_revoke_denomination_key.c \
exchange_api_management_revoke_signing_key.c \
+ exchange_api_management_set_global_fee.c \
exchange_api_management_set_wire_fee.c \
exchange_api_management_wire_disable.c \
exchange_api_management_wire_enable.c \
diff --git a/src/lib/exchange_api_management_set_global_fee.c b/src/lib/exchange_api_management_set_global_fee.c
new file mode 100644
index 000000000..a79dddc9d
--- /dev/null
+++ b/src/lib/exchange_api_management_set_global_fee.c
@@ -0,0 +1,224 @@
+/*
+ This file is part of TALER
+ Copyright (C) 2020-2022 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_global_fee.c
+ * @brief functions to set global fees at an exchange
+ * @author Christian Grothoff
+ */
+#include "platform.h"
+#include "taler_json_lib.h"
+#include <gnunet/gnunet_curl_lib.h>
+#include "exchange_api_curl_defaults.h"
+#include "taler_exchange_service.h"
+#include "taler_signatures.h"
+#include "taler_curl_lib.h"
+#include "taler_json_lib.h"
+
+
+struct TALER_EXCHANGE_ManagementSetGlobalFeeHandle
+{
+
+ /**
+ * 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_ManagementSetGlobalFeeCallback 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/global 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_global_fee_finished (void *cls,
+ long response_code,
+ const void *response)
+{
+ struct TALER_EXCHANGE_ManagementSetGlobalFeeHandle *sgfh = cls;
+ const json_t *json = response;
+ struct TALER_EXCHANGE_HttpResponse hr = {
+ .http_status = (unsigned int) response_code,
+ .reply = json
+ };
+
+ sgfh->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 for exchange management set global fee\n",
+ (unsigned int) response_code,
+ (int) hr.ec);
+ break;
+ }
+ if (NULL != sgfh->cb)
+ {
+ sgfh->cb (sgfh->cb_cls,
+ &hr);
+ sgfh->cb = NULL;
+ }
+ TALER_EXCHANGE_management_set_global_fees_cancel (sgfh);
+}
+
+
+struct TALER_EXCHANGE_ManagementSetGlobalFeeHandle *
+TALER_EXCHANGE_management_set_global_fees (
+ struct GNUNET_CURL_Context *ctx,
+ const char *exchange_base_url,
+ struct GNUNET_TIME_Timestamp validity_start,
+ struct GNUNET_TIME_Timestamp validity_end,
+ const struct TALER_GlobalFeeSet *fees,
+ struct GNUNET_TIME_Relative purse_timeout,
+ struct GNUNET_TIME_Relative kyc_timeout,
+ struct GNUNET_TIME_Relative history_expiration,
+ uint32_t purse_account_limit,
+ const struct TALER_MasterSignatureP *master_sig,
+ TALER_EXCHANGE_ManagementSetGlobalFeeCallback cb,
+ void *cb_cls)
+{
+ struct TALER_EXCHANGE_ManagementSetGlobalFeeHandle *sgfh;
+ CURL *eh;
+ json_t *body;
+
+ sgfh = GNUNET_new (struct TALER_EXCHANGE_ManagementSetGlobalFeeHandle);
+ sgfh->cb = cb;
+ sgfh->cb_cls = cb_cls;
+ sgfh->ctx = ctx;
+ sgfh->url = TALER_url_join (exchange_base_url,
+ "management/global-fee",
+ NULL);
+ if (NULL == sgfh->url)
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+ "Could not construct request URL.\n");
+ GNUNET_free (sgfh);
+ return NULL;
+ }
+ body = GNUNET_JSON_PACK (
+ GNUNET_JSON_pack_data_auto ("master_sig",
+ master_sig),
+ GNUNET_JSON_pack_timestamp ("fee_start",
+ validity_start),
+ GNUNET_JSON_pack_timestamp ("fee_end",
+ validity_end),
+ TALER_JSON_pack_amount ("history_fee",
+ &fees->history),
+ TALER_JSON_pack_amount ("kyc_fee",
+ &fees->kyc),
+ TALER_JSON_pack_amount ("account_fee",
+ &fees->account),
+ TALER_JSON_pack_amount ("purse_fee",
+ &fees->purse),
+ GNUNET_JSON_pack_time_rel ("purse_timeout",
+ purse_timeout),
+ GNUNET_JSON_pack_time_rel ("kyc_timeout",
+ kyc_timeout),
+ GNUNET_JSON_pack_time_rel ("history_expiration",
+ history_expiration),
+ GNUNET_JSON_pack_uint64 ("purse_account_limit",
+ purse_account_limit));
+ eh = TALER_EXCHANGE_curl_easy_get_ (sgfh->url);
+ GNUNET_assert (NULL != eh);
+ if (GNUNET_OK !=
+ TALER_curl_easy_post (&sgfh->post_ctx,
+ eh,
+ body))
+ {
+ GNUNET_break (0);
+ json_decref (body);
+ GNUNET_free (sgfh->url);
+ GNUNET_free (eh);
+ return NULL;
+ }
+ json_decref (body);
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Requesting URL '%s'\n",
+ sgfh->url);
+ sgfh->job = GNUNET_CURL_job_add2 (ctx,
+ eh,
+ sgfh->post_ctx.headers,
+ &handle_set_global_fee_finished,
+ sgfh);
+ if (NULL == sgfh->job)
+ {
+ TALER_EXCHANGE_management_set_global_fees_cancel (sgfh);
+ return NULL;
+ }
+ return sgfh;
+}
+
+
+void
+TALER_EXCHANGE_management_set_global_fees_cancel (
+ struct TALER_EXCHANGE_ManagementSetGlobalFeeHandle *sgfh)
+{
+ if (NULL != sgfh->job)
+ {
+ GNUNET_CURL_job_cancel (sgfh->job);
+ sgfh->job = NULL;
+ }
+ TALER_curl_easy_post_finished (&sgfh->post_ctx);
+ GNUNET_free (sgfh->url);
+ GNUNET_free (sgfh);
+}
diff --git a/src/lib/exchange_api_management_set_wire_fee.c b/src/lib/exchange_api_management_set_wire_fee.c
index cd32a4833..84c6fe909 100644
--- a/src/lib/exchange_api_management_set_wire_fee.c
+++ b/src/lib/exchange_api_management_set_wire_fee.c
@@ -131,7 +131,7 @@ TALER_EXCHANGE_management_set_wire_fees (
struct GNUNET_TIME_Timestamp validity_end,
const struct TALER_WireFeeSet *fees,
const struct TALER_MasterSignatureP *master_sig,
- TALER_EXCHANGE_ManagementWireEnableCallback cb,
+ TALER_EXCHANGE_ManagementSetWireFeeCallback cb,
void *cb_cls)
{
struct TALER_EXCHANGE_ManagementSetWireFeeHandle *swfh;