fix cyclic dependency by combining exchange-lib and auditor-lib directories

1 files changed, 0 insertions, 367 deletions

diff --git a/src/exchange-lib/exchange_api_track_transaction.c b/src/exchange-lib/exchange_api_track_transaction.c
deleted file mode 100644
index d61344e59..000000000
--- a/src/exchange-lib/exchange_api_track_transaction.c
+++ /dev/null
@@ -1,367 +0,0 @@
-/*
-  This file is part of TALER
-  Copyright (C) 2014, 2015, 2016 GNUnet e.V.
-
-  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 exchange-lib/exchange_api_track_transaction.c
- * @brief Implementation of the /track/transaction request of the exchange's HTTP API
- * @author Christian Grothoff
- */
-#include "platform.h"
-#include <jansson.h>
-#include <microhttpd.h> /* just for HTTP status codes */
-#include <gnunet/gnunet_util_lib.h>
-#include <gnunet/gnunet_json_lib.h>
-#include <gnunet/gnunet_curl_lib.h>
-#include "taler_json_lib.h"
-#include "taler_exchange_service.h"
-#include "exchange_api_handle.h"
-#include "taler_signatures.h"
-#include "curl_defaults.h"
-
-
-/**
- * @brief A Deposit Wtid Handle
- */
-struct TALER_EXCHANGE_TrackTransactionHandle
-{
-
-  /**
-   * The connection to exchange this request handle will use
-   */
-  struct TALER_EXCHANGE_Handle *exchange;
-
-  /**
-   * The url for this request.
-   */
-  char *url;
-
-  /**
-   * JSON encoding of the request to POST.
-   */
-  char *json_enc;
-
-  /**
-   * Handle for the request.
-   */
-  struct GNUNET_CURL_Job *job;
-
-  /**
-   * Function to call with the result.
-   */
-  TALER_EXCHANGE_TrackTransactionCallback cb;
-
-  /**
-   * Closure for @a cb.
-   */
-  void *cb_cls;
-
-  /**
-   * Information the exchange should sign in response.
-   * (with pre-filled fields from the request).
-   */
-  struct TALER_ConfirmWirePS depconf;
-
-};
-
-
-/**
- * Verify that the signature on the "200 OK" response
- * from the exchange is valid.
- *
- * @param dwh deposit wtid handle
- * @param json json reply with the signature
- * @param[out] exchange_pub set to the exchange's public key
- * @return #GNUNET_OK if the signature is valid, #GNUNET_SYSERR if not
- */
-static int
-verify_deposit_wtid_signature_ok (const struct TALER_EXCHANGE_TrackTransactionHandle *dwh,
-                                  const json_t *json,
-                                  struct TALER_ExchangePublicKeyP *exchange_pub)
-{
-  struct TALER_ExchangeSignatureP exchange_sig;
-  const struct TALER_EXCHANGE_Keys *key_state;
-  struct GNUNET_JSON_Specification spec[] = {
-    GNUNET_JSON_spec_fixed_auto ("exchange_sig", &exchange_sig),
-    GNUNET_JSON_spec_fixed_auto ("exchange_pub", exchange_pub),
-    GNUNET_JSON_spec_end()
-  };
-
-  if (GNUNET_OK !=
-      GNUNET_JSON_parse (json,
-                         spec,
-                         NULL, NULL))
-  {
-    GNUNET_break_op (0);
-    return GNUNET_SYSERR;
-  }
-  key_state = TALER_EXCHANGE_get_keys (dwh->exchange);
-  if (GNUNET_OK !=
-      TALER_EXCHANGE_test_signing_key (key_state,
-                                       exchange_pub))
-  {
-    GNUNET_break_op (0);
-    return GNUNET_SYSERR;
-  }
-  if (GNUNET_OK !=
-      GNUNET_CRYPTO_eddsa_verify (TALER_SIGNATURE_EXCHANGE_CONFIRM_WIRE,
-                                  &dwh->depconf.purpose,
-                                  &exchange_sig.eddsa_signature,
-                                  &exchange_pub->eddsa_pub))
-  {
-    GNUNET_break_op (0);
-    return GNUNET_SYSERR;
-  }
-  return GNUNET_OK;
-}
-
-
-/**
- * Function called when we're done processing the
- * HTTP /track/transaction request.
- *
- * @param cls the `struct TALER_EXCHANGE_TrackTransactionHandle`
- * @param response_code HTTP response code, 0 on error
- * @param response parsed JSON result, NULL on error
- */
-static void
-handle_deposit_wtid_finished (void *cls,
-                              long response_code,
-                              const void *response)
-{
-  struct TALER_EXCHANGE_TrackTransactionHandle *dwh = cls;
-  const struct TALER_WireTransferIdentifierRawP *wtid = NULL;
-  struct GNUNET_TIME_Absolute execution_time = GNUNET_TIME_UNIT_FOREVER_ABS;
-  const struct TALER_Amount *coin_contribution = NULL;
-  struct TALER_Amount coin_contribution_s;
-  struct TALER_ExchangePublicKeyP exchange_pub;
-  struct TALER_ExchangePublicKeyP *ep = NULL;
-  const json_t *j = response;
-
-  dwh->job = NULL;
-  switch (response_code)
-  {
-  case 0:
-    break;
-  case MHD_HTTP_OK:
-    {
-      struct GNUNET_JSON_Specification spec[] = {
-        GNUNET_JSON_spec_fixed_auto ("wtid", &dwh->depconf.wtid),
-        GNUNET_JSON_spec_absolute_time ("execution_time", &execution_time),
-        TALER_JSON_spec_amount ("coin_contribution", &coin_contribution_s),
-        GNUNET_JSON_spec_end()
-      };
-
-      if (GNUNET_OK !=
-          GNUNET_JSON_parse (j,
-                             spec,
-                             NULL, NULL))
-      {
-        GNUNET_break_op (0);
-        response_code = 0;
-        break;
-      }
-      wtid = &dwh->depconf.wtid;
-      dwh->depconf.execution_time = GNUNET_TIME_absolute_hton (execution_time);
-      TALER_amount_hton (&dwh->depconf.coin_contribution,
-                         &coin_contribution_s);
-      coin_contribution = &coin_contribution_s;
-      if (GNUNET_OK !=
-          verify_deposit_wtid_signature_ok (dwh,
-                                            j,
-                                            &exchange_pub))
-      {
-        GNUNET_break_op (0);
-        response_code = 0;
-      }
-      else
-      {
-        ep = &exchange_pub;
-      }
-    }
-    break;
-  case MHD_HTTP_ACCEPTED:
-    {
-      /* Transaction known, but not executed yet */
-      struct GNUNET_JSON_Specification spec[] = {
-        GNUNET_JSON_spec_absolute_time ("execution_time", &execution_time),
-        GNUNET_JSON_spec_end()
-      };
-
-      if (GNUNET_OK !=
-          GNUNET_JSON_parse (j,
-                             spec,
-                             NULL, NULL))
-      {
-        GNUNET_break_op (0);
-        response_code = 0;
-        break;
-      }
-    }
-    break;
-  case MHD_HTTP_BAD_REQUEST:
-    /* This should never happen, either us or the exchange is buggy
-       (or API version conflict); just pass JSON reply to the application */
-    break;
-  case MHD_HTTP_UNAUTHORIZED:
-    /* Nothing really to verify, exchange says one of the signatures is
-       invalid; as we checked them, this should never happen, we
-       should pass the JSON reply to the application */
-    break;
-  case MHD_HTTP_NOT_FOUND:
-    /* Exchange does not know about transaction;
-       we should pass the reply to the application */
-    break;
-  case MHD_HTTP_INTERNAL_SERVER_ERROR:
-    /* Server had an internal issue; we should retry, but this API
-       leaves this to the application */
-    break;
-  default:
-    /* unexpected response code */
-    GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
-                "Unexpected response code %u\n",
-                (unsigned int) response_code);
-    GNUNET_break (0);
-    response_code = 0;
-    break;
-  }
-  dwh->cb (dwh->cb_cls,
-           response_code,
-	   TALER_JSON_get_error_code (j),
-           ep,
-           j,
-           wtid,
-           execution_time,
-           coin_contribution);
-  TALER_EXCHANGE_track_transaction_cancel (dwh);
-}
-
-
-/**
- * Obtain wire transfer details about an existing deposit operation.
- *
- * @param exchange the exchange to query
- * @param merchant_priv the merchant's private key
- * @param h_wire hash of merchant's wire transfer details
- * @param h_contract_terms hash of the proposal data from the contract
- *                        between merchant and customer
- * @param coin_pub public key of the coin
- * @param cb function to call with the result
- * @param cb_cls closure for @a cb
- * @return handle to abort request
- */
-struct TALER_EXCHANGE_TrackTransactionHandle *
-TALER_EXCHANGE_track_transaction (struct TALER_EXCHANGE_Handle *exchange,
-                             const struct TALER_MerchantPrivateKeyP *merchant_priv,
-                             const struct GNUNET_HashCode *h_wire,
-                             const struct GNUNET_HashCode *h_contract_terms,
-                             const struct TALER_CoinSpendPublicKeyP *coin_pub,
-                             TALER_EXCHANGE_TrackTransactionCallback cb,
-                             void *cb_cls)
-{
-  struct TALER_DepositTrackPS dtp;
-  struct TALER_MerchantSignatureP merchant_sig;
-  struct TALER_EXCHANGE_TrackTransactionHandle *dwh;
-  struct GNUNET_CURL_Context *ctx;
-  json_t *deposit_wtid_obj;
-  CURL *eh;
-
-  if (GNUNET_YES !=
-      TEAH_handle_is_ready (exchange))
-  {
-    GNUNET_break (0);
-    return NULL;
-  }
-  dtp.purpose.purpose = htonl (TALER_SIGNATURE_MERCHANT_TRACK_TRANSACTION);
-  dtp.purpose.size = htonl (sizeof (dtp));
-  dtp.h_contract_terms = *h_contract_terms;
-  dtp.h_wire = *h_wire;
-  GNUNET_CRYPTO_eddsa_key_get_public (&merchant_priv->eddsa_priv,
-                                      &dtp.merchant.eddsa_pub);
-
-  dtp.coin_pub = *coin_pub;
-  GNUNET_assert (GNUNET_OK ==
-                 GNUNET_CRYPTO_eddsa_sign (&merchant_priv->eddsa_priv,
-                                           &dtp.purpose,
-                                           &merchant_sig.eddsa_sig));
-  deposit_wtid_obj = json_pack ("{s:o, s:o," /* H_wire, h_contract_terms */
-                                " s:o," /* coin_pub */
-                                " s:o, s:o}", /* merchant_pub, merchant_sig */
-                                "H_wire", GNUNET_JSON_from_data_auto (h_wire),
-                                "h_contract_terms", GNUNET_JSON_from_data_auto (h_contract_terms),
-                                "coin_pub", GNUNET_JSON_from_data_auto (coin_pub),
-                                "merchant_pub", GNUNET_JSON_from_data_auto (&dtp.merchant),
-                                "merchant_sig", GNUNET_JSON_from_data_auto (&merchant_sig));
-  if (NULL == deposit_wtid_obj)
-  {
-    GNUNET_break (0);
-    return NULL;
-  }
-
-  dwh = GNUNET_new (struct TALER_EXCHANGE_TrackTransactionHandle);
-  dwh->exchange = exchange;
-  dwh->cb = cb;
-  dwh->cb_cls = cb_cls;
-  dwh->url = TEAH_path_to_url (exchange, "/track/transaction");
-  dwh->depconf.purpose.size = htonl (sizeof (struct TALER_ConfirmWirePS));
-  dwh->depconf.purpose.purpose = htonl (TALER_SIGNATURE_EXCHANGE_CONFIRM_WIRE);
-  dwh->depconf.h_wire = *h_wire;
-  dwh->depconf.h_contract_terms = *h_contract_terms;
-  dwh->depconf.coin_pub = *coin_pub;
-
-  eh = TEL_curl_easy_get (dwh->url);
-  GNUNET_assert (NULL != (dwh->json_enc =
-                          json_dumps (deposit_wtid_obj,
-                                      JSON_COMPACT)));
-  json_decref (deposit_wtid_obj);
-  GNUNET_assert (CURLE_OK ==
-                 curl_easy_setopt (eh,
-                                   CURLOPT_POSTFIELDS,
-                                   dwh->json_enc));
-  GNUNET_assert (CURLE_OK ==
-                 curl_easy_setopt (eh,
-                                   CURLOPT_POSTFIELDSIZE,
-                                   strlen (dwh->json_enc)));
-  ctx = TEAH_handle_to_context (exchange);
-  dwh->job = GNUNET_CURL_job_add (ctx,
-                          eh,
-                          GNUNET_YES,
-                          &handle_deposit_wtid_finished,
-                          dwh);
-  return dwh;
-}
-
-
-/**
- * Cancel deposit wtid request.  This function cannot be used on a request
- * handle if a response is already served for it.
- *
- * @param dwh the wire deposits request handle
- */
-void
-TALER_EXCHANGE_track_transaction_cancel (struct TALER_EXCHANGE_TrackTransactionHandle *dwh)
-{
-  if (NULL != dwh->job)
-  {
-    GNUNET_CURL_job_cancel (dwh->job);
-    dwh->job = NULL;
-  }
-  GNUNET_free (dwh->url);
-  GNUNET_free (dwh->json_enc);
-  GNUNET_free (dwh);
-}
-
-
-/* end of exchange_api_deposit_wtid.c */