LCOV - code coverage report
Current view: top level - util - taler_error_codes.c (source / functions) Hit Total Coverage
Test: GNU Taler exchange coverage report Lines: 11 29 37.9 %
Date: 2022-08-25 06:15:09 Functions: 1 3 33.3 %
Legend: Lines: hit not hit

          Line data    Source code
       1             : /*
       2             :      This file is part of GNU Taler
       3             :      Copyright (C) 2012-2020 Taler Systems SA
       4             : 
       5             :      GNU Taler is free software: you can redistribute it and/or modify it
       6             :      under the terms of the GNU Lesser General Public License as published
       7             :      by the Free Software Foundation, either version 3 of the License,
       8             :      or (at your option) any later version.
       9             : 
      10             :      GNU Taler is distributed in the hope that it will be useful, but
      11             :      WITHOUT ANY WARRANTY; without even the implied warranty of
      12             :      MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      13             :      Lesser General Public License for more details.
      14             : 
      15             :      You should have received a copy of the GNU Lesser General Public License
      16             :      along with this program.  If not, see <http://www.gnu.org/licenses/>.
      17             : 
      18             :      SPDX-License-Identifier: LGPL3.0-or-later
      19             : 
      20             :      Note: the LGPL does not apply to all components of GNU Taler,
      21             :      but it does apply to this file.
      22             :  */
      23             : #include "taler_error_codes.h"
      24             : #include <stddef.h>
      25             : #include <microhttpd.h>
      26             : #include <gettext.h>
      27             : 
      28             : /**
      29             :  * MHD does not define our value for 0 (client-side generated code).
      30             :  */
      31             : #define MHD_HTTP_UNINITIALIZED 0
      32             : 
      33             : /**
      34             :  * A pair containing an error code and its hint.
      35             :  */
      36             : struct ErrorCodeAndHint
      37             : {
      38             :   /**
      39             :    * The error code.
      40             :    */
      41             :   enum TALER_ErrorCode ec;
      42             : 
      43             :   /**
      44             :    * The hint.
      45             :    */
      46             :   const char *hint;
      47             : 
      48             :   /**
      49             :    * The HTTP status code.
      50             :    */
      51             :   unsigned int http_code;
      52             : };
      53             : 
      54             : 
      55             : /**
      56             :  * The list of all error codes with their hints.
      57             :  */
      58             : static const struct ErrorCodeAndHint code_hint_pairs[] = {
      59             : 
      60             :   {
      61             :     .ec = TALER_EC_NONE,
      62             :     .hint = gettext_noop ("Special code to indicate success (no error)."),
      63             :     .http_code = MHD_HTTP_UNINITIALIZED
      64             :   },
      65             : 
      66             :   {
      67             :     .ec = TALER_EC_INVALID,
      68             :     .hint = gettext_noop ("A non-integer error code was returned in the JSON response."),
      69             :     .http_code = MHD_HTTP_UNINITIALIZED
      70             :   },
      71             : 
      72             :   {
      73             :     .ec = TALER_EC_GENERIC_CLIENT_INTERNAL_ERROR,
      74             :     .hint = gettext_noop ("An internal failure happened on the client side."),
      75             :     .http_code = MHD_HTTP_UNINITIALIZED
      76             :   },
      77             : 
      78             :   {
      79             :     .ec = TALER_EC_GENERIC_INVALID_RESPONSE,
      80             :     .hint = gettext_noop ("The response we got from the server was not even in JSON format."),
      81             :     .http_code = MHD_HTTP_UNINITIALIZED
      82             :   },
      83             : 
      84             :   {
      85             :     .ec = TALER_EC_GENERIC_TIMEOUT,
      86             :     .hint = gettext_noop ("An operation timed out."),
      87             :     .http_code = MHD_HTTP_UNINITIALIZED
      88             :   },
      89             : 
      90             :   {
      91             :     .ec = TALER_EC_GENERIC_VERSION_MALFORMED,
      92             :     .hint = gettext_noop ("The version string given does not follow the expected CURRENT:REVISION:AGE Format."),
      93             :     .http_code = MHD_HTTP_UNINITIALIZED
      94             :   },
      95             : 
      96             :   {
      97             :     .ec = TALER_EC_GENERIC_REPLY_MALFORMED,
      98             :     .hint = gettext_noop ("The service responded with a reply that was in JSON but did not satsify the protocol. Note that invalid cryptographic signatures should have signature-specific error codes."),
      99             :     .http_code = MHD_HTTP_UNINITIALIZED
     100             :   },
     101             : 
     102             :   {
     103             :     .ec = TALER_EC_GENERIC_CONFIGURATION_INVALID,
     104             :     .hint = gettext_noop ("There is an error in the client-side configuration, for example the base URL specified is malformed."),
     105             :     .http_code = MHD_HTTP_UNINITIALIZED
     106             :   },
     107             : 
     108             :   {
     109             :     .ec = TALER_EC_GENERIC_UNEXPECTED_REQUEST_ERROR,
     110             :     .hint = gettext_noop ("The client made a request to a service, but received an error response it does not know how to handle."),
     111             :     .http_code = MHD_HTTP_UNINITIALIZED
     112             :   },
     113             : 
     114             :   {
     115             :     .ec = TALER_EC_GENERIC_METHOD_INVALID,
     116             :     .hint = gettext_noop ("The HTTP method used is invalid for this endpoint."),
     117             :     .http_code = MHD_HTTP_METHOD_NOT_ALLOWED
     118             :   },
     119             : 
     120             :   {
     121             :     .ec = TALER_EC_GENERIC_ENDPOINT_UNKNOWN,
     122             :     .hint = gettext_noop ("There is no endpoint defined for the URL provided by the client."),
     123             :     .http_code = MHD_HTTP_NOT_FOUND
     124             :   },
     125             : 
     126             :   {
     127             :     .ec = TALER_EC_GENERIC_JSON_INVALID,
     128             :     .hint = gettext_noop ("The JSON in the client's request was malformed (generic parse error)."),
     129             :     .http_code = MHD_HTTP_BAD_REQUEST
     130             :   },
     131             : 
     132             :   {
     133             :     .ec = TALER_EC_GENERIC_HTTP_HEADERS_MALFORMED,
     134             :     .hint = gettext_noop ("Some of the HTTP headers provided by the client caused the server to not be able to handle the request."),
     135             :     .http_code = MHD_HTTP_BAD_REQUEST
     136             :   },
     137             : 
     138             :   {
     139             :     .ec = TALER_EC_GENERIC_PAYTO_URI_MALFORMED,
     140             :     .hint = gettext_noop ("The payto:// URI provided by the client is malformed."),
     141             :     .http_code = MHD_HTTP_BAD_REQUEST
     142             :   },
     143             : 
     144             :   {
     145             :     .ec = TALER_EC_GENERIC_PARAMETER_MISSING,
     146             :     .hint = gettext_noop ("A required parameter in the request was missing."),
     147             :     .http_code = MHD_HTTP_BAD_REQUEST
     148             :   },
     149             : 
     150             :   {
     151             :     .ec = TALER_EC_GENERIC_PARAMETER_MALFORMED,
     152             :     .hint = gettext_noop ("A parameter in the request was malformed."),
     153             :     .http_code = MHD_HTTP_BAD_REQUEST
     154             :   },
     155             : 
     156             :   {
     157             :     .ec = TALER_EC_GENERIC_CURRENCY_MISMATCH,
     158             :     .hint = gettext_noop ("The currencies involved in the operation do not match."),
     159             :     .http_code = MHD_HTTP_BAD_REQUEST
     160             :   },
     161             : 
     162             :   {
     163             :     .ec = TALER_EC_GENERIC_URI_TOO_LONG,
     164             :     .hint = gettext_noop ("The URI is longer than the longest URI the HTTP server is willing to parse."),
     165             :     .http_code = MHD_HTTP_URI_TOO_LONG
     166             :   },
     167             : 
     168             :   {
     169             :     .ec = TALER_EC_GENERIC_UPLOAD_EXCEEDS_LIMIT,
     170             :     .hint = gettext_noop ("The body is too large to be permissible for the endpoint."),
     171             :     .http_code = MHD_HTTP_PAYLOAD_TOO_LARGE
     172             :   },
     173             : 
     174             :   {
     175             :     .ec = TALER_EC_GENERIC_DB_SETUP_FAILED,
     176             :     .hint = gettext_noop ("The service failed initialize its connection to the database."),
     177             :     .http_code = MHD_HTTP_INTERNAL_SERVER_ERROR
     178             :   },
     179             : 
     180             :   {
     181             :     .ec = TALER_EC_GENERIC_DB_START_FAILED,
     182             :     .hint = gettext_noop ("The service encountered an error event to just start the database transaction."),
     183             :     .http_code = MHD_HTTP_INTERNAL_SERVER_ERROR
     184             :   },
     185             : 
     186             :   {
     187             :     .ec = TALER_EC_GENERIC_DB_STORE_FAILED,
     188             :     .hint = gettext_noop ("The service failed to store information in its database."),
     189             :     .http_code = MHD_HTTP_INTERNAL_SERVER_ERROR
     190             :   },
     191             : 
     192             :   {
     193             :     .ec = TALER_EC_GENERIC_DB_FETCH_FAILED,
     194             :     .hint = gettext_noop ("The service failed to fetch information from its database."),
     195             :     .http_code = MHD_HTTP_INTERNAL_SERVER_ERROR
     196             :   },
     197             : 
     198             :   {
     199             :     .ec = TALER_EC_GENERIC_DB_COMMIT_FAILED,
     200             :     .hint = gettext_noop ("The service encountered an error event to commit the database transaction (hard, unrecoverable error)."),
     201             :     .http_code = MHD_HTTP_INTERNAL_SERVER_ERROR
     202             :   },
     203             : 
     204             :   {
     205             :     .ec = TALER_EC_GENERIC_DB_SOFT_FAILURE,
     206             :     .hint = gettext_noop ("The service encountered an error event to commit the database transaction, even after repeatedly retrying it there was always a conflicting transaction. (This indicates a repeated serialization error; should only happen if some client maliciously tries to create conflicting concurrent transactions.)"),
     207             :     .http_code = MHD_HTTP_INTERNAL_SERVER_ERROR
     208             :   },
     209             : 
     210             :   {
     211             :     .ec = TALER_EC_GENERIC_DB_INVARIANT_FAILURE,
     212             :     .hint = gettext_noop ("The service's database is inconsistent and violates service-internal invariants."),
     213             :     .http_code = MHD_HTTP_INTERNAL_SERVER_ERROR
     214             :   },
     215             : 
     216             :   {
     217             :     .ec = TALER_EC_GENERIC_INTERNAL_INVARIANT_FAILURE,
     218             :     .hint = gettext_noop ("The HTTP server experienced an internal invariant failure (bug)."),
     219             :     .http_code = MHD_HTTP_INTERNAL_SERVER_ERROR
     220             :   },
     221             : 
     222             :   {
     223             :     .ec = TALER_EC_GENERIC_FAILED_COMPUTE_JSON_HASH,
     224             :     .hint = gettext_noop ("The service could not compute a cryptographic hash over some JSON value."),
     225             :     .http_code = MHD_HTTP_INTERNAL_SERVER_ERROR
     226             :   },
     227             : 
     228             :   {
     229             :     .ec = TALER_EC_GENERIC_FAILED_COMPUTE_AMOUNT,
     230             :     .hint = gettext_noop ("The service could not compute an amount."),
     231             :     .http_code = MHD_HTTP_INTERNAL_SERVER_ERROR
     232             :   },
     233             : 
     234             :   {
     235             :     .ec = TALER_EC_GENERIC_PARSER_OUT_OF_MEMORY,
     236             :     .hint = gettext_noop ("The HTTP server had insufficient memory to parse the request."),
     237             :     .http_code = MHD_HTTP_INTERNAL_SERVER_ERROR
     238             :   },
     239             : 
     240             :   {
     241             :     .ec = TALER_EC_GENERIC_ALLOCATION_FAILURE,
     242             :     .hint = gettext_noop ("The HTTP server failed to allocate memory."),
     243             :     .http_code = MHD_HTTP_INTERNAL_SERVER_ERROR
     244             :   },
     245             : 
     246             :   {
     247             :     .ec = TALER_EC_GENERIC_JSON_ALLOCATION_FAILURE,
     248             :     .hint = gettext_noop ("The HTTP server failed to allocate memory for building JSON reply."),
     249             :     .http_code = MHD_HTTP_INTERNAL_SERVER_ERROR
     250             :   },
     251             : 
     252             :   {
     253             :     .ec = TALER_EC_GENERIC_CURL_ALLOCATION_FAILURE,
     254             :     .hint = gettext_noop ("The HTTP server failed to allocate memory for making a CURL request."),
     255             :     .http_code = MHD_HTTP_INTERNAL_SERVER_ERROR
     256             :   },
     257             : 
     258             :   {
     259             :     .ec = TALER_EC_GENERIC_FAILED_TO_LOAD_TEMPLATE,
     260             :     .hint = gettext_noop ("The backend could not locate a required template to generate an HTML reply."),
     261             :     .http_code = MHD_HTTP_NOT_ACCEPTABLE
     262             :   },
     263             : 
     264             :   {
     265             :     .ec = TALER_EC_GENERIC_FAILED_TO_EXPAND_TEMPLATE,
     266             :     .hint = gettext_noop ("The backend could not expand the template to generate an HTML reply."),
     267             :     .http_code = MHD_HTTP_INTERNAL_SERVER_ERROR
     268             :   },
     269             : 
     270             :   {
     271             :     .ec = TALER_EC_EXCHANGE_GENERIC_BAD_CONFIGURATION,
     272             :     .hint = gettext_noop ("Exchange is badly configured and thus cannot operate."),
     273             :     .http_code = MHD_HTTP_INTERNAL_SERVER_ERROR
     274             :   },
     275             : 
     276             :   {
     277             :     .ec = TALER_EC_EXCHANGE_GENERIC_OPERATION_UNKNOWN,
     278             :     .hint = gettext_noop ("Operation specified unknown for this endpoint."),
     279             :     .http_code = MHD_HTTP_NOT_FOUND
     280             :   },
     281             : 
     282             :   {
     283             :     .ec = TALER_EC_EXCHANGE_GENERIC_WRONG_NUMBER_OF_SEGMENTS,
     284             :     .hint = gettext_noop ("The number of segments included in the URI does not match the number of segments expected by the endpoint."),
     285             :     .http_code = MHD_HTTP_NOT_FOUND
     286             :   },
     287             : 
     288             :   {
     289             :     .ec = TALER_EC_EXCHANGE_GENERIC_COIN_CONFLICTING_DENOMINATION_KEY,
     290             :     .hint = gettext_noop ("The same coin was already used with a different denomination previously."),
     291             :     .http_code = MHD_HTTP_CONFLICT
     292             :   },
     293             : 
     294             :   {
     295             :     .ec = TALER_EC_EXCHANGE_GENERIC_COINS_INVALID_COIN_PUB,
     296             :     .hint = gettext_noop ("The public key of given to a \"/coins/\" endpoint of the exchange was malformed."),
     297             :     .http_code = MHD_HTTP_BAD_REQUEST
     298             :   },
     299             : 
     300             :   {
     301             :     .ec = TALER_EC_EXCHANGE_GENERIC_DENOMINATION_KEY_UNKNOWN,
     302             :     .hint = gettext_noop ("The exchange is not aware of the denomination key the wallet requested for the operation."),
     303             :     .http_code = MHD_HTTP_NOT_FOUND
     304             :   },
     305             : 
     306             :   {
     307             :     .ec = TALER_EC_EXCHANGE_DENOMINATION_SIGNATURE_INVALID,
     308             :     .hint = gettext_noop ("The signature of the denomination key over the coin is not valid."),
     309             :     .http_code = MHD_HTTP_FORBIDDEN
     310             :   },
     311             : 
     312             :   {
     313             :     .ec = TALER_EC_EXCHANGE_GENERIC_KEYS_MISSING,
     314             :     .hint = gettext_noop ("The exchange failed to perform the operation as it could not find the private keys. This is a problem with the exchange setup, not with the client's request."),
     315             :     .http_code = MHD_HTTP_SERVICE_UNAVAILABLE
     316             :   },
     317             : 
     318             :   {
     319             :     .ec = TALER_EC_EXCHANGE_GENERIC_DENOMINATION_VALIDITY_IN_FUTURE,
     320             :     .hint = gettext_noop ("Validity period of the denomination lies in the future."),
     321             :     .http_code = MHD_HTTP_PRECONDITION_FAILED
     322             :   },
     323             : 
     324             :   {
     325             :     .ec = TALER_EC_EXCHANGE_GENERIC_DENOMINATION_EXPIRED,
     326             :     .hint = gettext_noop ("Denomination key of the coin is past its expiration time for the requested operation."),
     327             :     .http_code = MHD_HTTP_GONE
     328             :   },
     329             : 
     330             :   {
     331             :     .ec = TALER_EC_EXCHANGE_GENERIC_DENOMINATION_REVOKED,
     332             :     .hint = gettext_noop ("Denomination key of the coin has been revoked."),
     333             :     .http_code = MHD_HTTP_GONE
     334             :   },
     335             : 
     336             :   {
     337             :     .ec = TALER_EC_EXCHANGE_GENERIC_SECMOD_TIMEOUT,
     338             :     .hint = gettext_noop ("An operation where the exchange interacted with a security module timed out."),
     339             :     .http_code = MHD_HTTP_INTERNAL_SERVER_ERROR
     340             :   },
     341             : 
     342             :   {
     343             :     .ec = TALER_EC_EXCHANGE_GENERIC_INSUFFICIENT_FUNDS,
     344             :     .hint = gettext_noop ("The respective coin did not have sufficient residual value for the operation.  The \"history\" in this response provides the \"residual_value\" of the coin, which may be less than its \"original_value\"."),
     345             :     .http_code = MHD_HTTP_CONFLICT
     346             :   },
     347             : 
     348             :   {
     349             :     .ec = TALER_EC_EXCHANGE_GENERIC_COIN_HISTORY_COMPUTATION_FAILED,
     350             :     .hint = gettext_noop ("The exchange had an internal error reconstructing the transaction history of the coin that was being processed."),
     351             :     .http_code = MHD_HTTP_INTERNAL_SERVER_ERROR
     352             :   },
     353             : 
     354             :   {
     355             :     .ec = TALER_EC_EXCHANGE_GENERIC_HISTORY_DB_ERROR_INSUFFICIENT_FUNDS,
     356             :     .hint = gettext_noop ("The exchange failed to obtain the transaction history of the given coin from the database while generating an insufficient funds errors."),
     357             :     .http_code = MHD_HTTP_INTERNAL_SERVER_ERROR
     358             :   },
     359             : 
     360             :   {
     361             :     .ec = TALER_EC_EXCHANGE_GENERIC_COIN_CONFLICTING_AGE_HASH,
     362             :     .hint = gettext_noop ("The same coin was already used with a different age hash previously."),
     363             :     .http_code = MHD_HTTP_CONFLICT
     364             :   },
     365             : 
     366             :   {
     367             :     .ec = TALER_EC_EXCHANGE_GENERIC_INVALID_DENOMINATION_CIPHER_FOR_OPERATION,
     368             :     .hint = gettext_noop ("The requested operation is not valid for the cipher used by the selected denomination."),
     369             :     .http_code = MHD_HTTP_BAD_REQUEST
     370             :   },
     371             : 
     372             :   {
     373             :     .ec = TALER_EC_EXCHANGE_GENERIC_CIPHER_MISMATCH,
     374             :     .hint = gettext_noop ("The provided arguments for the operation use inconsistent ciphers."),
     375             :     .http_code = MHD_HTTP_BAD_REQUEST
     376             :   },
     377             : 
     378             :   {
     379             :     .ec = TALER_EC_EXCHANGE_GENERIC_NEW_DENOMS_ARRAY_SIZE_EXCESSIVE,
     380             :     .hint = gettext_noop ("The number of denominations specified in the request exceeds the limit of the exchange."),
     381             :     .http_code = MHD_HTTP_BAD_REQUEST
     382             :   },
     383             : 
     384             :   {
     385             :     .ec = TALER_EC_EXCHANGE_GENERIC_RESERVE_PUB_MALFORMED,
     386             :     .hint = gettext_noop ("The reserve public key was malformed."),
     387             :     .http_code = MHD_HTTP_BAD_REQUEST
     388             :   },
     389             : 
     390             :   {
     391             :     .ec = TALER_EC_EXCHANGE_GENERIC_CLOCK_SKEW,
     392             :     .hint = gettext_noop ("The time at the server is too far off from the time specified in the request. Most likely the client system time is wrong."),
     393             :     .http_code = MHD_HTTP_BAD_REQUEST
     394             :   },
     395             : 
     396             :   {
     397             :     .ec = TALER_EC_EXCHANGE_GENERIC_AMOUNT_EXCEEDS_DENOMINATION_VALUE,
     398             :     .hint = gettext_noop ("The specified amount for the coin is higher than the value of the denomination of the coin."),
     399             :     .http_code = MHD_HTTP_BAD_REQUEST
     400             :   },
     401             : 
     402             :   {
     403             :     .ec = TALER_EC_EXCHANGE_GENERIC_GLOBAL_FEES_MISSING,
     404             :     .hint = gettext_noop ("The exchange was not properly configured with global fees."),
     405             :     .http_code = MHD_HTTP_INTERNAL_SERVER_ERROR
     406             :   },
     407             : 
     408             :   {
     409             :     .ec = TALER_EC_EXCHANGE_GENERIC_WIRE_FEES_MISSING,
     410             :     .hint = gettext_noop ("The exchange was not properly configured with wire fees."),
     411             :     .http_code = MHD_HTTP_INTERNAL_SERVER_ERROR
     412             :   },
     413             : 
     414             :   {
     415             :     .ec = TALER_EC_EXCHANGE_GENERIC_PURSE_PUB_MALFORMED,
     416             :     .hint = gettext_noop ("The purse public key was malformed."),
     417             :     .http_code = MHD_HTTP_BAD_REQUEST
     418             :   },
     419             : 
     420             :   {
     421             :     .ec = TALER_EC_EXCHANGE_GENERIC_PURSE_UNKNOWN,
     422             :     .hint = gettext_noop ("The purse is unknown."),
     423             :     .http_code = MHD_HTTP_NOT_FOUND
     424             :   },
     425             : 
     426             :   {
     427             :     .ec = TALER_EC_EXCHANGE_GENERIC_PURSE_EXPIRED,
     428             :     .hint = gettext_noop ("The purse has expired."),
     429             :     .http_code = MHD_HTTP_GONE
     430             :   },
     431             : 
     432             :   {
     433             :     .ec = TALER_EC_EXCHANGE_GENERIC_RESERVE_UNKNOWN,
     434             :     .hint = gettext_noop ("The exchange has no information about the \"reserve_pub\" that was given."),
     435             :     .http_code = MHD_HTTP_NOT_FOUND
     436             :   },
     437             : 
     438             :   {
     439             :     .ec = TALER_EC_EXCHANGE_GENERIC_KYC_REQUIRED,
     440             :     .hint = gettext_noop ("The exchange is not allowed to proceed with the operation until the client has satisfied a KYC check."),
     441             :     .http_code = MHD_HTTP_UNAVAILABLE_FOR_LEGAL_REASONS
     442             :   },
     443             : 
     444             :   {
     445             :     .ec = TALER_EC_EXCHANGE_PURSE_DEPOSIT_COIN_CONFLICTING_ATTEST_VS_AGE_COMMITMENT,
     446             :     .hint = gettext_noop ("Inconsistency between provided age commitment and attest: either none or both must be provided"),
     447             :     .http_code = MHD_HTTP_BAD_REQUEST
     448             :   },
     449             : 
     450             :   {
     451             :     .ec = TALER_EC_EXCHANGE_PURSE_DEPOSIT_COIN_AGE_ATTESTATION_FAILURE,
     452             :     .hint = gettext_noop ("The provided attestation for the minimum age couldn't be verified by the exchange."),
     453             :     .http_code = MHD_HTTP_BAD_REQUEST
     454             :   },
     455             : 
     456             :   {
     457             :     .ec = TALER_EC_EXCHANGE_DEPOSITS_GET_NOT_FOUND,
     458             :     .hint = gettext_noop ("The exchange did not find information about the specified transaction in the database."),
     459             :     .http_code = MHD_HTTP_NOT_FOUND
     460             :   },
     461             : 
     462             :   {
     463             :     .ec = TALER_EC_EXCHANGE_DEPOSITS_GET_INVALID_H_WIRE,
     464             :     .hint = gettext_noop ("The wire hash of given to a \"/deposits/\" handler was malformed."),
     465             :     .http_code = MHD_HTTP_BAD_REQUEST
     466             :   },
     467             : 
     468             :   {
     469             :     .ec = TALER_EC_EXCHANGE_DEPOSITS_GET_INVALID_MERCHANT_PUB,
     470             :     .hint = gettext_noop ("The merchant key of given to a \"/deposits/\" handler was malformed."),
     471             :     .http_code = MHD_HTTP_BAD_REQUEST
     472             :   },
     473             : 
     474             :   {
     475             :     .ec = TALER_EC_EXCHANGE_DEPOSITS_GET_INVALID_H_CONTRACT_TERMS,
     476             :     .hint = gettext_noop ("The hash of the contract terms given to a \"/deposits/\" handler was malformed."),
     477             :     .http_code = MHD_HTTP_BAD_REQUEST
     478             :   },
     479             : 
     480             :   {
     481             :     .ec = TALER_EC_EXCHANGE_DEPOSITS_GET_INVALID_COIN_PUB,
     482             :     .hint = gettext_noop ("The coin public key of given to a \"/deposits/\" handler was malformed."),
     483             :     .http_code = MHD_HTTP_BAD_REQUEST
     484             :   },
     485             : 
     486             :   {
     487             :     .ec = TALER_EC_EXCHANGE_DEPOSITS_GET_INVALID_SIGNATURE_BY_EXCHANGE,
     488             :     .hint = gettext_noop ("The signature returned by the exchange in a /deposits/ request was malformed."),
     489             :     .http_code = MHD_HTTP_UNINITIALIZED
     490             :   },
     491             : 
     492             :   {
     493             :     .ec = TALER_EC_EXCHANGE_DEPOSITS_GET_MERCHANT_SIGNATURE_INVALID,
     494             :     .hint = gettext_noop ("The signature of the merchant is invalid."),
     495             :     .http_code = MHD_HTTP_FORBIDDEN
     496             :   },
     497             : 
     498             :   {
     499             :     .ec = TALER_EC_EXCHANGE_WITHDRAW_INSUFFICIENT_FUNDS,
     500             :     .hint = gettext_noop ("The given reserve does not have sufficient funds to admit the requested withdraw operation at this time.  The response includes the current \"balance\" of the reserve as well as the transaction \"history\" that lead to this balance."),
     501             :     .http_code = MHD_HTTP_CONFLICT
     502             :   },
     503             : 
     504             :   {
     505             :     .ec = TALER_EC_EXCHANGE_WITHDRAW_AMOUNT_FEE_OVERFLOW,
     506             :     .hint = gettext_noop ("The amount to withdraw together with the fee exceeds the numeric range for Taler amounts.  This is not a client failure, as the coin value and fees come from the exchange's configuration."),
     507             :     .http_code = MHD_HTTP_INTERNAL_SERVER_ERROR
     508             :   },
     509             : 
     510             :   {
     511             :     .ec = TALER_EC_EXCHANGE_WITHDRAW_SIGNATURE_FAILED,
     512             :     .hint = gettext_noop ("The exchange failed to create the signature using the denomination key."),
     513             :     .http_code = MHD_HTTP_INTERNAL_SERVER_ERROR
     514             :   },
     515             : 
     516             :   {
     517             :     .ec = TALER_EC_EXCHANGE_WITHDRAW_RESERVE_SIGNATURE_INVALID,
     518             :     .hint = gettext_noop ("The signature of the reserve is not valid."),
     519             :     .http_code = MHD_HTTP_FORBIDDEN
     520             :   },
     521             : 
     522             :   {
     523             :     .ec = TALER_EC_EXCHANGE_WITHDRAW_HISTORY_ERROR_INSUFFICIENT_FUNDS,
     524             :     .hint = gettext_noop ("When computing the reserve history, we ended up with a negative overall balance, which should be impossible."),
     525             :     .http_code = MHD_HTTP_INTERNAL_SERVER_ERROR
     526             :   },
     527             : 
     528             :   {
     529             :     .ec = TALER_EC_EXCHANGE_WITHDRAW_DENOMINATION_KEY_LOST,
     530             :     .hint = gettext_noop ("Withdraw period of the coin to be withdrawn is in the past."),
     531             :     .http_code = MHD_HTTP_GONE
     532             :   },
     533             : 
     534             :   {
     535             :     .ec = TALER_EC_EXCHANGE_WITHDRAW_UNBLIND_FAILURE,
     536             :     .hint = gettext_noop ("The client failed to unblind the blind signature."),
     537             :     .http_code = MHD_HTTP_UNINITIALIZED
     538             :   },
     539             : 
     540             :   {
     541             :     .ec = TALER_EC_EXCHANGE_WITHDRAW_NONCE_REUSE,
     542             :     .hint = gettext_noop ("The client re-used a withdraw nonce, which is not allowed."),
     543             :     .http_code = MHD_HTTP_CONFLICT
     544             :   },
     545             : 
     546             :   {
     547             :     .ec = TALER_EC_EXCHANGE_WITHDRAW_BATCH_IDEMPOTENT_PLANCHET,
     548             :     .hint = gettext_noop ("The batch withdraw included a planchet that was already withdrawn. This is not allowed."),
     549             :     .http_code = MHD_HTTP_CONFLICT
     550             :   },
     551             : 
     552             :   {
     553             :     .ec = TALER_EC_EXCHANGE_DEPOSIT_COIN_SIGNATURE_INVALID,
     554             :     .hint = gettext_noop ("The signature made by the coin over the deposit permission is not valid."),
     555             :     .http_code = MHD_HTTP_FORBIDDEN
     556             :   },
     557             : 
     558             :   {
     559             :     .ec = TALER_EC_EXCHANGE_DEPOSIT_CONFLICTING_CONTRACT,
     560             :     .hint = gettext_noop ("The same coin was already deposited for the same merchant and contract with other details."),
     561             :     .http_code = MHD_HTTP_CONFLICT
     562             :   },
     563             : 
     564             :   {
     565             :     .ec = TALER_EC_EXCHANGE_DEPOSIT_NEGATIVE_VALUE_AFTER_FEE,
     566             :     .hint = gettext_noop ("The stated value of the coin after the deposit fee is subtracted would be negative."),
     567             :     .http_code = MHD_HTTP_BAD_REQUEST
     568             :   },
     569             : 
     570             :   {
     571             :     .ec = TALER_EC_EXCHANGE_DEPOSIT_REFUND_DEADLINE_AFTER_WIRE_DEADLINE,
     572             :     .hint = gettext_noop ("The stated refund deadline is after the wire deadline."),
     573             :     .http_code = MHD_HTTP_BAD_REQUEST
     574             :   },
     575             : 
     576             :   {
     577             :     .ec = TALER_EC_EXCHANGE_DEPOSIT_WIRE_DEADLINE_IS_NEVER,
     578             :     .hint = gettext_noop ("The stated wire deadline is \"never\", which makes no sense."),
     579             :     .http_code = MHD_HTTP_BAD_REQUEST
     580             :   },
     581             : 
     582             :   {
     583             :     .ec = TALER_EC_EXCHANGE_DEPOSIT_INVALID_WIRE_FORMAT_JSON,
     584             :     .hint = gettext_noop ("The exchange failed to canonicalize and hash the given wire format. For example, the merchant failed to provide the \"salt\" or a valid payto:// URI in the wire details.  Note that while the exchange will do some basic sanity checking on the wire details, it cannot warrant that the banking system will ultimately be able to route to the specified address, even if this check passed."),
     585             :     .http_code = MHD_HTTP_BAD_REQUEST
     586             :   },
     587             : 
     588             :   {
     589             :     .ec = TALER_EC_EXCHANGE_DEPOSIT_INVALID_WIRE_FORMAT_CONTRACT_HASH_CONFLICT,
     590             :     .hint = gettext_noop ("The hash of the given wire address does not match the wire hash specified in the proposal data."),
     591             :     .http_code = MHD_HTTP_BAD_REQUEST
     592             :   },
     593             : 
     594             :   {
     595             :     .ec = TALER_EC_EXCHANGE_DEPOSIT_INVALID_SIGNATURE_BY_EXCHANGE,
     596             :     .hint = gettext_noop ("The signature provided by the exchange is not valid."),
     597             :     .http_code = MHD_HTTP_UNINITIALIZED
     598             :   },
     599             : 
     600             :   {
     601             :     .ec = TALER_EC_EXCHANGE_DEPOSIT_FEE_ABOVE_AMOUNT,
     602             :     .hint = gettext_noop ("The deposited amount is smaller than the deposit fee, which would result in a negative contribution."),
     603             :     .http_code = MHD_HTTP_BAD_REQUEST
     604             :   },
     605             : 
     606             :   {
     607             :     .ec = TALER_EC_EXCHANGE_RESERVES_STATUS_UNKNOWN,
     608             :     .hint = gettext_noop ("The reserve balance, status or history was requested for a reserve which is not known to the exchange."),
     609             :     .http_code = MHD_HTTP_NOT_FOUND
     610             :   },
     611             : 
     612             :   {
     613             :     .ec = TALER_EC_EXCHANGE_RESERVES_STATUS_BAD_SIGNATURE,
     614             :     .hint = gettext_noop ("The reserve status was requested with a bad signature."),
     615             :     .http_code = MHD_HTTP_FORBIDDEN
     616             :   },
     617             : 
     618             :   {
     619             :     .ec = TALER_EC_EXCHANGE_RESERVES_HISTORY_BAD_SIGNATURE,
     620             :     .hint = gettext_noop ("The reserve history was requested with a bad signature."),
     621             :     .http_code = MHD_HTTP_FORBIDDEN
     622             :   },
     623             : 
     624             :   {
     625             :     .ec = TALER_EC_EXCHANGE_MELT_FEES_EXCEED_CONTRIBUTION,
     626             :     .hint = gettext_noop ("The exchange encountered melt fees exceeding the melted coin's contribution."),
     627             :     .http_code = MHD_HTTP_BAD_REQUEST
     628             :   },
     629             : 
     630             :   {
     631             :     .ec = TALER_EC_EXCHANGE_MELT_COIN_SIGNATURE_INVALID,
     632             :     .hint = gettext_noop ("The signature made with the coin to be melted is invalid."),
     633             :     .http_code = MHD_HTTP_FORBIDDEN
     634             :   },
     635             : 
     636             :   {
     637             :     .ec = TALER_EC_EXCHANGE_MELT_COIN_EXPIRED_NO_ZOMBIE,
     638             :     .hint = gettext_noop ("The denomination of the given coin has past its expiration date and it is also not a valid zombie (that is, was not refreshed with the fresh coin being subjected to recoup)."),
     639             :     .http_code = MHD_HTTP_BAD_REQUEST
     640             :   },
     641             : 
     642             :   {
     643             :     .ec = TALER_EC_EXCHANGE_MELT_INVALID_SIGNATURE_BY_EXCHANGE,
     644             :     .hint = gettext_noop ("The signature returned by the exchange in a melt request was malformed."),
     645             :     .http_code = MHD_HTTP_UNINITIALIZED
     646             :   },
     647             : 
     648             :   {
     649             :     .ec = TALER_EC_EXCHANGE_REFRESHES_REVEAL_COMMITMENT_VIOLATION,
     650             :     .hint = gettext_noop ("The provided transfer keys do not match up with the original commitment.  Information about the original commitment is included in the response."),
     651             :     .http_code = MHD_HTTP_CONFLICT
     652             :   },
     653             : 
     654             :   {
     655             :     .ec = TALER_EC_EXCHANGE_REFRESHES_REVEAL_SIGNING_ERROR,
     656             :     .hint = gettext_noop ("Failed to produce the blinded signatures over the coins to be returned."),
     657             :     .http_code = MHD_HTTP_INTERNAL_SERVER_ERROR
     658             :   },
     659             : 
     660             :   {
     661             :     .ec = TALER_EC_EXCHANGE_REFRESHES_REVEAL_SESSION_UNKNOWN,
     662             :     .hint = gettext_noop ("The exchange is unaware of the refresh session specified in the request."),
     663             :     .http_code = MHD_HTTP_NOT_FOUND
     664             :   },
     665             : 
     666             :   {
     667             :     .ec = TALER_EC_EXCHANGE_REFRESHES_REVEAL_CNC_TRANSFER_ARRAY_SIZE_INVALID,
     668             :     .hint = gettext_noop ("The size of the cut-and-choose dimension of the private transfer keys request does not match #TALER_CNC_KAPPA - 1."),
     669             :     .http_code = MHD_HTTP_BAD_REQUEST
     670             :   },
     671             : 
     672             :   {
     673             :     .ec = TALER_EC_EXCHANGE_REFRESHES_REVEAL_NEW_DENOMS_ARRAY_SIZE_MISMATCH,
     674             :     .hint = gettext_noop ("The number of envelopes given does not match the number of denomination keys given."),
     675             :     .http_code = MHD_HTTP_BAD_REQUEST
     676             :   },
     677             : 
     678             :   {
     679             :     .ec = TALER_EC_EXCHANGE_REFRESHES_REVEAL_COST_CALCULATION_OVERFLOW,
     680             :     .hint = gettext_noop ("The exchange encountered a numeric overflow totaling up the cost for the refresh operation."),
     681             :     .http_code = MHD_HTTP_INTERNAL_SERVER_ERROR
     682             :   },
     683             : 
     684             :   {
     685             :     .ec = TALER_EC_EXCHANGE_REFRESHES_REVEAL_AMOUNT_INSUFFICIENT,
     686             :     .hint = gettext_noop ("The exchange's cost calculation shows that the melt amount is below the costs of the transaction."),
     687             :     .http_code = MHD_HTTP_BAD_REQUEST
     688             :   },
     689             : 
     690             :   {
     691             :     .ec = TALER_EC_EXCHANGE_REFRESHES_REVEAL_LINK_SIGNATURE_INVALID,
     692             :     .hint = gettext_noop ("The signature made with the coin over the link data is invalid."),
     693             :     .http_code = MHD_HTTP_FORBIDDEN
     694             :   },
     695             : 
     696             :   {
     697             :     .ec = TALER_EC_EXCHANGE_REFRESHES_REVEAL_INVALID_RCH,
     698             :     .hint = gettext_noop ("The refresh session hash given to a /refreshes/ handler was malformed."),
     699             :     .http_code = MHD_HTTP_BAD_REQUEST
     700             :   },
     701             : 
     702             :   {
     703             :     .ec = TALER_EC_EXCHANGE_REFRESHES_REVEAL_OPERATION_INVALID,
     704             :     .hint = gettext_noop ("Operation specified invalid for this endpoint."),
     705             :     .http_code = MHD_HTTP_BAD_REQUEST
     706             :   },
     707             : 
     708             :   {
     709             :     .ec = TALER_EC_EXCHANGE_REFRESHES_REVEAL_AGE_RESTRICTION_NOT_SUPPORTED,
     710             :     .hint = gettext_noop ("The client provided age commitment data, but age restriction is not supported on this server."),
     711             :     .http_code = MHD_HTTP_BAD_REQUEST
     712             :   },
     713             : 
     714             :   {
     715             :     .ec = TALER_EC_EXCHANGE_REFRESHES_REVEAL_AGE_RESTRICTION_COMMITMENT_INVALID,
     716             :     .hint = gettext_noop ("The client provided invalid age commitment data: missing, not an array, or  array of invalid size."),
     717             :     .http_code = MHD_HTTP_BAD_REQUEST
     718             :   },
     719             : 
     720             :   {
     721             :     .ec = TALER_EC_EXCHANGE_LINK_COIN_UNKNOWN,
     722             :     .hint = gettext_noop ("The coin specified in the link request is unknown to the exchange."),
     723             :     .http_code = MHD_HTTP_NOT_FOUND
     724             :   },
     725             : 
     726             :   {
     727             :     .ec = TALER_EC_EXCHANGE_TRANSFERS_GET_WTID_MALFORMED,
     728             :     .hint = gettext_noop ("The public key of given to a /transfers/ handler was malformed."),
     729             :     .http_code = MHD_HTTP_BAD_REQUEST
     730             :   },
     731             : 
     732             :   {
     733             :     .ec = TALER_EC_EXCHANGE_TRANSFERS_GET_WTID_NOT_FOUND,
     734             :     .hint = gettext_noop ("The exchange did not find information about the specified wire transfer identifier in the database."),
     735             :     .http_code = MHD_HTTP_NOT_FOUND
     736             :   },
     737             : 
     738             :   {
     739             :     .ec = TALER_EC_EXCHANGE_TRANSFERS_GET_WIRE_FEE_NOT_FOUND,
     740             :     .hint = gettext_noop ("The exchange did not find information about the wire transfer fees it charged."),
     741             :     .http_code = MHD_HTTP_INTERNAL_SERVER_ERROR
     742             :   },
     743             : 
     744             :   {
     745             :     .ec = TALER_EC_EXCHANGE_TRANSFERS_GET_WIRE_FEE_INCONSISTENT,
     746             :     .hint = gettext_noop ("The exchange found a wire fee that was above the total transfer value (and thus could not have been charged)."),
     747             :     .http_code = MHD_HTTP_INTERNAL_SERVER_ERROR
     748             :   },
     749             : 
     750             :   {
     751             :     .ec = TALER_EC_EXCHANGE_PURSES_INVALID_WAIT_TARGET,
     752             :     .hint = gettext_noop ("The wait target of the URL was not in the set of expected values."),
     753             :     .http_code = MHD_HTTP_BAD_REQUEST
     754             :   },
     755             : 
     756             :   {
     757             :     .ec = TALER_EC_EXCHANGE_PURSES_GET_INVALID_SIGNATURE_BY_EXCHANGE,
     758             :     .hint = gettext_noop ("The signature on the purse status returned by the exchange was invalid."),
     759             :     .http_code = MHD_HTTP_UNINITIALIZED
     760             :   },
     761             : 
     762             :   {
     763             :     .ec = TALER_EC_EXCHANGE_REFUND_COIN_NOT_FOUND,
     764             :     .hint = gettext_noop ("The exchange knows literally nothing about the coin we were asked to refund. But without a transaction history, we cannot issue a refund. This is kind-of OK, the owner should just refresh it directly without executing the refund."),
     765             :     .http_code = MHD_HTTP_NOT_FOUND
     766             :   },
     767             : 
     768             :   {
     769             :     .ec = TALER_EC_EXCHANGE_REFUND_CONFLICT_DEPOSIT_INSUFFICIENT,
     770             :     .hint = gettext_noop ("We could not process the refund request as the coin's transaction history does not permit the requested refund because then refunds would exceed the deposit amount.  The \"history\" in the response proves this."),
     771             :     .http_code = MHD_HTTP_CONFLICT
     772             :   },
     773             : 
     774             :   {
     775             :     .ec = TALER_EC_EXCHANGE_REFUND_DEPOSIT_NOT_FOUND,
     776             :     .hint = gettext_noop ("The exchange knows about the coin we were asked to refund, but not about the specific /deposit operation.  Hence, we cannot issue a refund (as we do not know if this merchant public key is authorized to do a refund)."),
     777             :     .http_code = MHD_HTTP_NOT_FOUND
     778             :   },
     779             : 
     780             :   {
     781             :     .ec = TALER_EC_EXCHANGE_REFUND_MERCHANT_ALREADY_PAID,
     782             :     .hint = gettext_noop ("The exchange can no longer refund the customer/coin as the money was already transferred (paid out) to the merchant. (It should be past the refund deadline.)"),
     783             :     .http_code = MHD_HTTP_GONE
     784             :   },
     785             : 
     786             :   {
     787             :     .ec = TALER_EC_EXCHANGE_REFUND_FEE_TOO_LOW,
     788             :     .hint = gettext_noop ("The refund fee specified for the request is lower than the refund fee charged by the exchange for the given denomination key of the refunded coin."),
     789             :     .http_code = MHD_HTTP_BAD_REQUEST
     790             :   },
     791             : 
     792             :   {
     793             :     .ec = TALER_EC_EXCHANGE_REFUND_FEE_ABOVE_AMOUNT,
     794             :     .hint = gettext_noop ("The refunded amount is smaller than the refund fee, which would result in a negative refund."),
     795             :     .http_code = MHD_HTTP_BAD_REQUEST
     796             :   },
     797             : 
     798             :   {
     799             :     .ec = TALER_EC_EXCHANGE_REFUND_MERCHANT_SIGNATURE_INVALID,
     800             :     .hint = gettext_noop ("The signature of the merchant is invalid."),
     801             :     .http_code = MHD_HTTP_FORBIDDEN
     802             :   },
     803             : 
     804             :   {
     805             :     .ec = TALER_EC_EXCHANGE_REFUND_MERCHANT_SIGNING_FAILED,
     806             :     .hint = gettext_noop ("Merchant backend failed to create the refund confirmation signature."),
     807             :     .http_code = MHD_HTTP_INTERNAL_SERVER_ERROR
     808             :   },
     809             : 
     810             :   {
     811             :     .ec = TALER_EC_EXCHANGE_REFUND_INVALID_SIGNATURE_BY_EXCHANGE,
     812             :     .hint = gettext_noop ("The signature returned by the exchange in a refund request was malformed."),
     813             :     .http_code = MHD_HTTP_UNINITIALIZED
     814             :   },
     815             : 
     816             :   {
     817             :     .ec = TALER_EC_EXCHANGE_REFUND_INVALID_FAILURE_PROOF_BY_EXCHANGE,
     818             :     .hint = gettext_noop ("The failure proof returned by the exchange is incorrect."),
     819             :     .http_code = MHD_HTTP_UNINITIALIZED
     820             :   },
     821             : 
     822             :   {
     823             :     .ec = TALER_EC_EXCHANGE_REFUND_INCONSISTENT_AMOUNT,
     824             :     .hint = gettext_noop ("Conflicting refund granted before with different amount but same refund transaction ID."),
     825             :     .http_code = MHD_HTTP_FAILED_DEPENDENCY
     826             :   },
     827             : 
     828             :   {
     829             :     .ec = TALER_EC_EXCHANGE_RECOUP_SIGNATURE_INVALID,
     830             :     .hint = gettext_noop ("The given coin signature is invalid for the request."),
     831             :     .http_code = MHD_HTTP_FORBIDDEN
     832             :   },
     833             : 
     834             :   {
     835             :     .ec = TALER_EC_EXCHANGE_RECOUP_WITHDRAW_NOT_FOUND,
     836             :     .hint = gettext_noop ("The exchange could not find the corresponding withdraw operation. The request is denied."),
     837             :     .http_code = MHD_HTTP_NOT_FOUND
     838             :   },
     839             : 
     840             :   {
     841             :     .ec = TALER_EC_EXCHANGE_RECOUP_COIN_BALANCE_ZERO,
     842             :     .hint = gettext_noop ("The coin's remaining balance is zero.  The request is denied."),
     843             :     .http_code = MHD_HTTP_FORBIDDEN
     844             :   },
     845             : 
     846             :   {
     847             :     .ec = TALER_EC_EXCHANGE_RECOUP_BLINDING_FAILED,
     848             :     .hint = gettext_noop ("The exchange failed to reproduce the coin's blinding."),
     849             :     .http_code = MHD_HTTP_INTERNAL_SERVER_ERROR
     850             :   },
     851             : 
     852             :   {
     853             :     .ec = TALER_EC_EXCHANGE_RECOUP_COIN_BALANCE_NEGATIVE,
     854             :     .hint = gettext_noop ("The coin's remaining balance is zero.  The request is denied."),
     855             :     .http_code = MHD_HTTP_INTERNAL_SERVER_ERROR
     856             :   },
     857             : 
     858             :   {
     859             :     .ec = TALER_EC_EXCHANGE_RECOUP_NOT_ELIGIBLE,
     860             :     .hint = gettext_noop ("The coin's denomination has not been revoked yet."),
     861             :     .http_code = MHD_HTTP_NOT_FOUND
     862             :   },
     863             : 
     864             :   {
     865             :     .ec = TALER_EC_EXCHANGE_RECOUP_REFRESH_SIGNATURE_INVALID,
     866             :     .hint = gettext_noop ("The given coin signature is invalid for the request."),
     867             :     .http_code = MHD_HTTP_FORBIDDEN
     868             :   },
     869             : 
     870             :   {
     871             :     .ec = TALER_EC_EXCHANGE_RECOUP_REFRESH_MELT_NOT_FOUND,
     872             :     .hint = gettext_noop ("The exchange could not find the corresponding melt operation. The request is denied."),
     873             :     .http_code = MHD_HTTP_NOT_FOUND
     874             :   },
     875             : 
     876             :   {
     877             :     .ec = TALER_EC_EXCHANGE_RECOUP_REFRESH_BLINDING_FAILED,
     878             :     .hint = gettext_noop ("The exchange failed to reproduce the coin's blinding."),
     879             :     .http_code = MHD_HTTP_INTERNAL_SERVER_ERROR
     880             :   },
     881             : 
     882             :   {
     883             :     .ec = TALER_EC_EXCHANGE_RECOUP_REFRESH_NOT_ELIGIBLE,
     884             :     .hint = gettext_noop ("The coin's denomination has not been revoked yet."),
     885             :     .http_code = MHD_HTTP_NOT_FOUND
     886             :   },
     887             : 
     888             :   {
     889             :     .ec = TALER_EC_EXCHANGE_KEYS_TIMETRAVEL_FORBIDDEN,
     890             :     .hint = gettext_noop ("This exchange does not allow clients to request /keys for times other than the current (exchange) time."),
     891             :     .http_code = MHD_HTTP_FORBIDDEN
     892             :   },
     893             : 
     894             :   {
     895             :     .ec = TALER_EC_EXCHANGE_WIRE_SIGNATURE_INVALID,
     896             :     .hint = gettext_noop ("A signature in the server's response was malformed."),
     897             :     .http_code = MHD_HTTP_UNINITIALIZED
     898             :   },
     899             : 
     900             :   {
     901             :     .ec = TALER_EC_EXCHANGE_WIRE_NO_ACCOUNTS_CONFIGURED,
     902             :     .hint = gettext_noop ("No bank accounts are enabled for the exchange. The administrator should enable-account using the taler-exchange-offline tool."),
     903             :     .http_code = MHD_HTTP_INTERNAL_SERVER_ERROR
     904             :   },
     905             : 
     906             :   {
     907             :     .ec = TALER_EC_EXCHANGE_WIRE_INVALID_PAYTO_CONFIGURED,
     908             :     .hint = gettext_noop ("The payto:// URI stored in the exchange database for its bank account is malformed."),
     909             :     .http_code = MHD_HTTP_INTERNAL_SERVER_ERROR
     910             :   },
     911             : 
     912             :   {
     913             :     .ec = TALER_EC_EXCHANGE_WIRE_FEES_NOT_CONFIGURED,
     914             :     .hint = gettext_noop ("No wire fees are configured for an enabled wire method of the exchange. The administrator must set the wire-fee using the taler-exchange-offline tool."),
     915             :     .http_code = MHD_HTTP_INTERNAL_SERVER_ERROR
     916             :   },
     917             : 
     918             :   {
     919             :     .ec = TALER_EC_EXCHANGE_RESERVES_PURSE_CREATE_CONFLICTING_META_DATA,
     920             :     .hint = gettext_noop ("This purse was previously created with different meta data."),
     921             :     .http_code = MHD_HTTP_CONFLICT
     922             :   },
     923             : 
     924             :   {
     925             :     .ec = TALER_EC_EXCHANGE_RESERVES_PURSE_MERGE_CONFLICTING_META_DATA,
     926             :     .hint = gettext_noop ("This purse was previously merged with different meta data."),
     927             :     .http_code = MHD_HTTP_CONFLICT
     928             :   },
     929             : 
     930             :   {
     931             :     .ec = TALER_EC_EXCHANGE_RESERVES_PURSE_CREATE_INSUFFICIENT_FUNDS,
     932             :     .hint = gettext_noop ("The reserve has insufficient funds to create another purse."),
     933             :     .http_code = MHD_HTTP_CONFLICT
     934             :   },
     935             : 
     936             :   {
     937             :     .ec = TALER_EC_EXCHANGE_RESERVES_PURSE_FEE_TOO_LOW,
     938             :     .hint = gettext_noop ("The purse fee specified for the request is lower than the purse fee charged by the exchange at this time."),
     939             :     .http_code = MHD_HTTP_BAD_REQUEST
     940             :   },
     941             : 
     942             :   {
     943             :     .ec = TALER_EC_EXCHANGE_DENOMINATION_HELPER_UNAVAILABLE,
     944             :     .hint = gettext_noop ("The exchange failed to talk to the process responsible for its private denomination keys."),
     945             :     .http_code = MHD_HTTP_INTERNAL_SERVER_ERROR
     946             :   },
     947             : 
     948             :   {
     949             :     .ec = TALER_EC_EXCHANGE_DENOMINATION_HELPER_BUG,
     950             :     .hint = gettext_noop ("The response from the denomination key helper process was malformed."),
     951             :     .http_code = MHD_HTTP_INTERNAL_SERVER_ERROR
     952             :   },
     953             : 
     954             :   {
     955             :     .ec = TALER_EC_EXCHANGE_DENOMINATION_HELPER_TOO_EARLY,
     956             :     .hint = gettext_noop ("The helper refuses to sign with the key, because it is too early: the validity period has not yet started."),
     957             :     .http_code = MHD_HTTP_BAD_REQUEST
     958             :   },
     959             : 
     960             :   {
     961             :     .ec = TALER_EC_EXCHANGE_PURSE_DEPOSIT_EXCHANGE_SIGNATURE_INVALID,
     962             :     .hint = gettext_noop ("The signature of the exchange on the reply was invalid."),
     963             :     .http_code = MHD_HTTP_UNINITIALIZED
     964             :   },
     965             : 
     966             :   {
     967             :     .ec = TALER_EC_EXCHANGE_SIGNKEY_HELPER_UNAVAILABLE,
     968             :     .hint = gettext_noop ("The exchange failed to talk to the process responsible for its private signing keys."),
     969             :     .http_code = MHD_HTTP_INTERNAL_SERVER_ERROR
     970             :   },
     971             : 
     972             :   {
     973             :     .ec = TALER_EC_EXCHANGE_SIGNKEY_HELPER_BUG,
     974             :     .hint = gettext_noop ("The response from the online signing key helper process was malformed."),
     975             :     .http_code = MHD_HTTP_INTERNAL_SERVER_ERROR
     976             :   },
     977             : 
     978             :   {
     979             :     .ec = TALER_EC_EXCHANGE_SIGNKEY_HELPER_TOO_EARLY,
     980             :     .hint = gettext_noop ("The helper refuses to sign with the key, because it is too early: the validity period has not yet started."),
     981             :     .http_code = MHD_HTTP_BAD_REQUEST
     982             :   },
     983             : 
     984             :   {
     985             :     .ec = TALER_EC_EXCHANGE_RESERVES_PURSE_EXPIRATION_BEFORE_NOW,
     986             :     .hint = gettext_noop ("The purse expiration time is in the past at the time of its creation."),
     987             :     .http_code = MHD_HTTP_BAD_REQUEST
     988             :   },
     989             : 
     990             :   {
     991             :     .ec = TALER_EC_EXCHANGE_RESERVES_PURSE_EXPIRATION_IS_NEVER,
     992             :     .hint = gettext_noop ("The purse expiration time is set to never, which is not allowed."),
     993             :     .http_code = MHD_HTTP_BAD_REQUEST
     994             :   },
     995             : 
     996             :   {
     997             :     .ec = TALER_EC_EXCHANGE_RESERVES_PURSE_MERGE_SIGNATURE_INVALID,
     998             :     .hint = gettext_noop ("The signature affirming the merge of the purse is invalid."),
     999             :     .http_code = MHD_HTTP_FORBIDDEN
    1000             :   },
    1001             : 
    1002             :   {
    1003             :     .ec = TALER_EC_EXCHANGE_RESERVES_RESERVE_MERGE_SIGNATURE_INVALID,
    1004             :     .hint = gettext_noop ("The signature by the reserve affirming the merge is invalid."),
    1005             :     .http_code = MHD_HTTP_FORBIDDEN
    1006             :   },
    1007             : 
    1008             :   {
    1009             :     .ec = TALER_EC_EXCHANGE_MANAGEMENT_AUDITOR_NOT_FOUND,
    1010             :     .hint = gettext_noop ("The auditor that was supposed to be disabled is unknown to this exchange."),
    1011             :     .http_code = MHD_HTTP_NOT_FOUND
    1012             :   },
    1013             : 
    1014             :   {
    1015             :     .ec = TALER_EC_EXCHANGE_MANAGEMENT_AUDITOR_MORE_RECENT_PRESENT,
    1016             :     .hint = gettext_noop ("The exchange has a more recently signed conflicting instruction and is thus refusing the current change (replay detected)."),
    1017             :     .http_code = MHD_HTTP_CONFLICT
    1018             :   },
    1019             : 
    1020             :   {
    1021             :     .ec = TALER_EC_EXCHANGE_MANAGEMENT_AUDITOR_ADD_SIGNATURE_INVALID,
    1022             :     .hint = gettext_noop ("The signature to add or enable the auditor does not validate."),
    1023             :     .http_code = MHD_HTTP_FORBIDDEN
    1024             :   },
    1025             : 
    1026             :   {
    1027             :     .ec = TALER_EC_EXCHANGE_MANAGEMENT_AUDITOR_DEL_SIGNATURE_INVALID,
    1028             :     .hint = gettext_noop ("The signature to disable the auditor does not validate."),
    1029             :     .http_code = MHD_HTTP_FORBIDDEN
    1030             :   },
    1031             : 
    1032             :   {
    1033             :     .ec = TALER_EC_EXCHANGE_MANAGEMENT_DENOMINATION_REVOKE_SIGNATURE_INVALID,
    1034             :     .hint = gettext_noop ("The signature to revoke the denomination does not validate."),
    1035             :     .http_code = MHD_HTTP_FORBIDDEN
    1036             :   },
    1037             : 
    1038             :   {
    1039             :     .ec = TALER_EC_EXCHANGE_MANAGEMENT_SIGNKEY_REVOKE_SIGNATURE_INVALID,
    1040             :     .hint = gettext_noop ("The signature to revoke the online signing key does not validate."),
    1041             :     .http_code = MHD_HTTP_FORBIDDEN
    1042             :   },
    1043             : 
    1044             :   {
    1045             :     .ec = TALER_EC_EXCHANGE_MANAGEMENT_WIRE_MORE_RECENT_PRESENT,
    1046             :     .hint = gettext_noop ("The exchange has a more recently signed conflicting instruction and is thus refusing the current change (replay detected)."),
    1047             :     .http_code = MHD_HTTP_CONFLICT
    1048             :   },
    1049             : 
    1050             :   {
    1051             :     .ec = TALER_EC_EXCHANGE_MANAGEMENT_KEYS_SIGNKEY_UNKNOWN,
    1052             :     .hint = gettext_noop ("The signingkey specified is unknown to the exchange."),
    1053             :     .http_code = MHD_HTTP_NOT_FOUND
    1054             :   },
    1055             : 
    1056             :   {
    1057             :     .ec = TALER_EC_EXCHANGE_MANAGEMENT_WIRE_DETAILS_SIGNATURE_INVALID,
    1058             :     .hint = gettext_noop ("The signature to publish wire account does not validate."),
    1059             :     .http_code = MHD_HTTP_FORBIDDEN
    1060             :   },
    1061             : 
    1062             :   {
    1063             :     .ec = TALER_EC_EXCHANGE_MANAGEMENT_WIRE_ADD_SIGNATURE_INVALID,
    1064             :     .hint = gettext_noop ("The signature to add the wire account does not validate."),
    1065             :     .http_code = MHD_HTTP_FORBIDDEN
    1066             :   },
    1067             : 
    1068             :   {
    1069             :     .ec = TALER_EC_EXCHANGE_MANAGEMENT_WIRE_DEL_SIGNATURE_INVALID,
    1070             :     .hint = gettext_noop ("The signature to disable the wire account does not validate."),
    1071             :     .http_code = MHD_HTTP_FORBIDDEN
    1072             :   },
    1073             : 
    1074             :   {
    1075             :     .ec = TALER_EC_EXCHANGE_MANAGEMENT_WIRE_NOT_FOUND,
    1076             :     .hint = gettext_noop ("The wire account to be disabled is unknown to the exchange."),
    1077             :     .http_code = MHD_HTTP_NOT_FOUND
    1078             :   },
    1079             : 
    1080             :   {
    1081             :     .ec = TALER_EC_EXCHANGE_MANAGEMENT_WIRE_FEE_SIGNATURE_INVALID,
    1082             :     .hint = gettext_noop ("The signature to affirm wire fees does not validate."),
    1083             :     .http_code = MHD_HTTP_FORBIDDEN
    1084             :   },
    1085             : 
    1086             :   {
    1087             :     .ec = TALER_EC_EXCHANGE_MANAGEMENT_WIRE_FEE_MISMATCH,
    1088             :     .hint = gettext_noop ("The signature conflicts with a previous signature affirming different fees."),
    1089             :     .http_code = MHD_HTTP_CONFLICT
    1090             :   },
    1091             : 
    1092             :   {
    1093             :     .ec = TALER_EC_EXCHANGE_MANAGEMENT_KEYS_DENOMKEY_ADD_SIGNATURE_INVALID,
    1094             :     .hint = gettext_noop ("The signature affirming the denomination key is invalid."),
    1095             :     .http_code = MHD_HTTP_FORBIDDEN
    1096             :   },
    1097             : 
    1098             :   {
    1099             :     .ec = TALER_EC_EXCHANGE_MANAGEMENT_KEYS_SIGNKEY_ADD_SIGNATURE_INVALID,
    1100             :     .hint = gettext_noop ("The signature affirming the signing key is invalid."),
    1101             :     .http_code = MHD_HTTP_FORBIDDEN
    1102             :   },
    1103             : 
    1104             :   {
    1105             :     .ec = TALER_EC_EXCHANGE_MANAGEMENT_GLOBAL_FEE_MISMATCH,
    1106             :     .hint = gettext_noop ("The signature conflicts with a previous signature affirming different fees."),
    1107             :     .http_code = MHD_HTTP_CONFLICT
    1108             :   },
    1109             : 
    1110             :   {
    1111             :     .ec = TALER_EC_EXCHANGE_MANAGEMENT_GLOBAL_FEE_SIGNATURE_INVALID,
    1112             :     .hint = gettext_noop ("The signature affirming the fee structure is invalid."),
    1113             :     .http_code = MHD_HTTP_FORBIDDEN
    1114             :   },
    1115             : 
    1116             :   {
    1117             :     .ec = TALER_EC_EXCHANGE_MANAGEMENT_DRAIN_PROFITS_SIGNATURE_INVALID,
    1118             :     .hint = gettext_noop ("The signature affirming the profit drain is invalid."),
    1119             :     .http_code = MHD_HTTP_FORBIDDEN
    1120             :   },
    1121             : 
    1122             :   {
    1123             :     .ec = TALER_EC_EXCHANGE_PURSE_CREATE_CONFLICTING_META_DATA,
    1124             :     .hint = gettext_noop ("The purse was previously created with different meta data."),
    1125             :     .http_code = MHD_HTTP_CONFLICT
    1126             :   },
    1127             : 
    1128             :   {
    1129             :     .ec = TALER_EC_EXCHANGE_PURSE_CREATE_CONFLICTING_CONTRACT_STORED,
    1130             :     .hint = gettext_noop ("The purse was previously created with a different contract."),
    1131             :     .http_code = MHD_HTTP_CONFLICT
    1132             :   },
    1133             : 
    1134             :   {
    1135             :     .ec = TALER_EC_EXCHANGE_PURSE_CREATE_COIN_SIGNATURE_INVALID,
    1136             :     .hint = gettext_noop ("A coin signature for a deposit into the purse is invalid."),
    1137             :     .http_code = MHD_HTTP_FORBIDDEN
    1138             :   },
    1139             : 
    1140             :   {
    1141             :     .ec = TALER_EC_EXCHANGE_PURSE_CREATE_EXPIRATION_BEFORE_NOW,
    1142             :     .hint = gettext_noop ("The purse expiration time is in the past."),
    1143             :     .http_code = MHD_HTTP_BAD_REQUEST
    1144             :   },
    1145             : 
    1146             :   {
    1147             :     .ec = TALER_EC_EXCHANGE_PURSE_CREATE_EXPIRATION_IS_NEVER,
    1148             :     .hint = gettext_noop ("The purse expiration time is \"never\"."),
    1149             :     .http_code = MHD_HTTP_BAD_REQUEST
    1150             :   },
    1151             : 
    1152             :   {
    1153             :     .ec = TALER_EC_EXCHANGE_PURSE_CREATE_SIGNATURE_INVALID,
    1154             :     .hint = gettext_noop ("The purse signature over the purse meta data is invalid."),
    1155             :     .http_code = MHD_HTTP_FORBIDDEN
    1156             :   },
    1157             : 
    1158             :   {
    1159             :     .ec = TALER_EC_EXCHANGE_PURSE_ECONTRACT_SIGNATURE_INVALID,
    1160             :     .hint = gettext_noop ("The signature over the encrypted contract is invalid."),
    1161             :     .http_code = MHD_HTTP_FORBIDDEN
    1162             :   },
    1163             : 
    1164             :   {
    1165             :     .ec = TALER_EC_EXCHANGE_PURSE_CREATE_EXCHANGE_SIGNATURE_INVALID,
    1166             :     .hint = gettext_noop ("The signature from the exchange over the confirmation is invalid."),
    1167             :     .http_code = MHD_HTTP_UNINITIALIZED
    1168             :   },
    1169             : 
    1170             :   {
    1171             :     .ec = TALER_EC_EXCHANGE_PURSE_DEPOSIT_CONFLICTING_META_DATA,
    1172             :     .hint = gettext_noop ("The coin was previously deposited with different meta data."),
    1173             :     .http_code = MHD_HTTP_CONFLICT
    1174             :   },
    1175             : 
    1176             :   {
    1177             :     .ec = TALER_EC_EXCHANGE_PURSE_ECONTRACT_CONFLICTING_META_DATA,
    1178             :     .hint = gettext_noop ("The encrypted contract was previously uploaded with different meta data."),
    1179             :     .http_code = MHD_HTTP_CONFLICT
    1180             :   },
    1181             : 
    1182             :   {
    1183             :     .ec = TALER_EC_EXCHANGE_CREATE_PURSE_NEGATIVE_VALUE_AFTER_FEE,
    1184             :     .hint = gettext_noop ("The deposited amount is less than the purse fee."),
    1185             :     .http_code = MHD_HTTP_BAD_REQUEST
    1186             :   },
    1187             : 
    1188             :   {
    1189             :     .ec = TALER_EC_EXCHANGE_PURSE_MERGE_INVALID_MERGE_SIGNATURE,
    1190             :     .hint = gettext_noop ("The signature using the merge key is invalid."),
    1191             :     .http_code = MHD_HTTP_FORBIDDEN
    1192             :   },
    1193             : 
    1194             :   {
    1195             :     .ec = TALER_EC_EXCHANGE_PURSE_MERGE_INVALID_RESERVE_SIGNATURE,
    1196             :     .hint = gettext_noop ("The signature using the reserve key is invalid."),
    1197             :     .http_code = MHD_HTTP_FORBIDDEN
    1198             :   },
    1199             : 
    1200             :   {
    1201             :     .ec = TALER_EC_EXCHANGE_PURSE_NOT_FULL,
    1202             :     .hint = gettext_noop ("The targeted purse is not yet full and thus cannot be merged. Retrying the request later may succeed."),
    1203             :     .http_code = MHD_HTTP_CONFLICT
    1204             :   },
    1205             : 
    1206             :   {
    1207             :     .ec = TALER_EC_EXCHANGE_PURSE_MERGE_EXCHANGE_SIGNATURE_INVALID,
    1208             :     .hint = gettext_noop ("The signature from the exchange over the confirmation is invalid."),
    1209             :     .http_code = MHD_HTTP_UNINITIALIZED
    1210             :   },
    1211             : 
    1212             :   {
    1213             :     .ec = TALER_EC_EXCHANGE_MERGE_PURSE_PARTNER_UNKNOWN,
    1214             :     .hint = gettext_noop ("The exchange of the target account is not a partner of this exchange."),
    1215             :     .http_code = MHD_HTTP_NOT_FOUND
    1216             :   },
    1217             : 
    1218             :   {
    1219             :     .ec = TALER_EC_EXCHANGE_AUDITORS_AUDITOR_SIGNATURE_INVALID,
    1220             :     .hint = gettext_noop ("The auditor signature over the denomination meta data is invalid."),
    1221             :     .http_code = MHD_HTTP_FORBIDDEN
    1222             :   },
    1223             : 
    1224             :   {
    1225             :     .ec = TALER_EC_EXCHANGE_AUDITORS_AUDITOR_UNKNOWN,
    1226             :     .hint = gettext_noop ("The auditor that was specified is unknown to this exchange."),
    1227             :     .http_code = MHD_HTTP_PRECONDITION_FAILED
    1228             :   },
    1229             : 
    1230             :   {
    1231             :     .ec = TALER_EC_EXCHANGE_AUDITORS_AUDITOR_INACTIVE,
    1232             :     .hint = gettext_noop ("The auditor that was specified is no longer used by this exchange."),
    1233             :     .http_code = MHD_HTTP_GONE
    1234             :   },
    1235             : 
    1236             :   {
    1237             :     .ec = TALER_EC_EXCHANGE_KYC_WALLET_SIGNATURE_INVALID,
    1238             :     .hint = gettext_noop ("The signature affirming the wallet's KYC request was invalid."),
    1239             :     .http_code = MHD_HTTP_FORBIDDEN
    1240             :   },
    1241             : 
    1242             :   {
    1243             :     .ec = TALER_EC_EXCHANGE_KYC_PROOF_BACKEND_INVALID_RESPONSE,
    1244             :     .hint = gettext_noop ("The exchange received an unexpected malformed response from its KYC backend."),
    1245             :     .http_code = MHD_HTTP_BAD_GATEWAY
    1246             :   },
    1247             : 
    1248             :   {
    1249             :     .ec = TALER_EC_EXCHANGE_KYC_PROOF_BACKEND_ERROR,
    1250             :     .hint = gettext_noop ("The backend signaled an unexpected failure."),
    1251             :     .http_code = MHD_HTTP_BAD_GATEWAY
    1252             :   },
    1253             : 
    1254             :   {
    1255             :     .ec = TALER_EC_EXCHANGE_KYC_PROOF_BACKEND_AUTHORIZATION_FAILED,
    1256             :     .hint = gettext_noop ("The backend signaled an authorization failure."),
    1257             :     .http_code = MHD_HTTP_FORBIDDEN
    1258             :   },
    1259             : 
    1260             :   {
    1261             :     .ec = TALER_EC_EXCHANGE_KYC_PROOF_REQUEST_UNKNOWN,
    1262             :     .hint = gettext_noop ("The exchange is unaware of having made an the authorization request."),
    1263             :     .http_code = MHD_HTTP_NOT_FOUND
    1264             :   },
    1265             : 
    1266             :   {
    1267             :     .ec = TALER_EC_EXCHANGE_KYC_CHECK_AUTHORIZATION_FAILED,
    1268             :     .hint = gettext_noop ("The payto-URI hash did not match. Hence the request was denied."),
    1269             :     .http_code = MHD_HTTP_FORBIDDEN
    1270             :   },
    1271             : 
    1272             :   {
    1273             :     .ec = TALER_EC_EXCHANGE_KYC_GENERIC_LOGIC_UNKNOWN,
    1274             :     .hint = gettext_noop ("The request used a logic specifier that is not known to the exchange."),
    1275             :     .http_code = MHD_HTTP_NOT_FOUND
    1276             :   },
    1277             : 
    1278             :   {
    1279             :     .ec = TALER_EC_EXCHANGE_KYC_GENERIC_LOGIC_GONE,
    1280             :     .hint = gettext_noop ("The request requires a logic which is no longer configured at the exchange."),
    1281             :     .http_code = MHD_HTTP_INTERNAL_SERVER_ERROR
    1282             :   },
    1283             : 
    1284             :   {
    1285             :     .ec = TALER_EC_EXCHANGE_KYC_GENERIC_LOGIC_BUG,
    1286             :     .hint = gettext_noop ("The logic plugin had a bug in its interaction with the KYC provider."),
    1287             :     .http_code = MHD_HTTP_INTERNAL_SERVER_ERROR
    1288             :   },
    1289             : 
    1290             :   {
    1291             :     .ec = TALER_EC_EXCHANGE_KYC_GENERIC_PROVIDER_ACCESS_REFUSED,
    1292             :     .hint = gettext_noop ("The exchange could not process the request with its KYC provider because the provider refused access to the service. This indicates some configuration issue at the Taler exchange operator."),
    1293             :     .http_code = MHD_HTTP_NETWORK_AUTHENTICATION_REQUIRED
    1294             :   },
    1295             : 
    1296             :   {
    1297             :     .ec = TALER_EC_EXCHANGE_KYC_GENERIC_PROVIDER_TIMEOUT,
    1298             :     .hint = gettext_noop ("There was a timeout in the interaction between the exchange and the KYC provider. The most likely cause is some networking problem. Trying again later might succeed."),
    1299             :     .http_code = MHD_HTTP_GATEWAY_TIMEOUT
    1300             :   },
    1301             : 
    1302             :   {
    1303             :     .ec = TALER_EC_EXCHANGE_KYC_GENERIC_PROVIDER_UNEXPECTED_REPLY,
    1304             :     .hint = gettext_noop ("The KYC provider responded with a status that was completely unexpected by the KYC logic of the exchange."),
    1305             :     .http_code = MHD_HTTP_BAD_GATEWAY
    1306             :   },
    1307             : 
    1308             :   {
    1309             :     .ec = TALER_EC_EXCHANGE_KYC_GENERIC_PROVIDER_RATE_LIMIT_EXCEEDED,
    1310             :     .hint = gettext_noop ("The rate limit of the exchange at the KYC provider has been exceeded. Trying much later might work."),
    1311             :     .http_code = MHD_HTTP_SERVICE_UNAVAILABLE
    1312             :   },
    1313             : 
    1314             :   {
    1315             :     .ec = TALER_EC_EXCHANGE_KYC_WEBHOOK_UNAUTHORIZED,
    1316             :     .hint = gettext_noop ("The request to the webhook lacked proper authorization or authentication data."),
    1317             :     .http_code = MHD_HTTP_UNAUTHORIZED
    1318             :   },
    1319             : 
    1320             :   {
    1321             :     .ec = TALER_EC_EXCHANGE_CONTRACTS_UNKNOWN,
    1322             :     .hint = gettext_noop ("The exchange does not know a contract under the given contract public key."),
    1323             :     .http_code = MHD_HTTP_NOT_FOUND
    1324             :   },
    1325             : 
    1326             :   {
    1327             :     .ec = TALER_EC_EXCHANGE_CONTRACTS_INVALID_CONTRACT_PUB,
    1328             :     .hint = gettext_noop ("The URL does not encode a valid exchange public key in its path."),
    1329             :     .http_code = MHD_HTTP_BAD_REQUEST
    1330             :   },
    1331             : 
    1332             :   {
    1333             :     .ec = TALER_EC_EXCHANGE_CONTRACTS_DECRYPTION_FAILED,
    1334             :     .hint = gettext_noop ("The returned encrypted contract did not decrypt."),
    1335             :     .http_code = MHD_HTTP_UNINITIALIZED
    1336             :   },
    1337             : 
    1338             :   {
    1339             :     .ec = TALER_EC_EXCHANGE_CONTRACTS_SIGNATURE_INVALID,
    1340             :     .hint = gettext_noop ("The signature on the encrypted contract did not validate."),
    1341             :     .http_code = MHD_HTTP_UNINITIALIZED
    1342             :   },
    1343             : 
    1344             :   {
    1345             :     .ec = TALER_EC_EXCHANGE_CONTRACTS_DECODING_FAILED,
    1346             :     .hint = gettext_noop ("The decrypted contract was malformed."),
    1347             :     .http_code = MHD_HTTP_UNINITIALIZED
    1348             :   },
    1349             : 
    1350             :   {
    1351             :     .ec = TALER_EC_EXCHANGE_PURSE_DEPOSIT_COIN_SIGNATURE_INVALID,
    1352             :     .hint = gettext_noop ("A coin signature for a deposit into the purse is invalid."),
    1353             :     .http_code = MHD_HTTP_FORBIDDEN
    1354             :   },
    1355             : 
    1356             :   {
    1357             :     .ec = TALER_EC_MERCHANT_GENERIC_INSTANCE_UNKNOWN,
    1358             :     .hint = gettext_noop ("The backend could not find the merchant instance specified in the request."),
    1359             :     .http_code = MHD_HTTP_NOT_FOUND
    1360             :   },
    1361             : 
    1362             :   {
    1363             :     .ec = TALER_EC_MERCHANT_GENERIC_HOLE_IN_WIRE_FEE_STRUCTURE,
    1364             :     .hint = gettext_noop ("The start and end-times in the wire fee structure leave a hole. This is not allowed."),
    1365             :     .http_code = MHD_HTTP_UNINITIALIZED
    1366             :   },
    1367             : 
    1368             :   {
    1369             :     .ec = TALER_EC_MERCHANT_GENERIC_RESERVE_PUB_MALFORMED,
    1370             :     .hint = gettext_noop ("The reserve key of given to a /reserves/ handler was malformed."),
    1371             :     .http_code = MHD_HTTP_BAD_REQUEST
    1372             :   },
    1373             : 
    1374             :   {
    1375             :     .ec = TALER_EC_MERCHANT_GENERIC_ORDER_UNKNOWN,
    1376             :     .hint = gettext_noop ("The proposal is not known to the backend."),
    1377             :     .http_code = MHD_HTTP_NOT_FOUND
    1378             :   },
    1379             : 
    1380             :   {
    1381             :     .ec = TALER_EC_MERCHANT_GENERIC_PRODUCT_UNKNOWN,
    1382             :     .hint = gettext_noop ("The order provided to the backend could not be completed, because a product to be completed via inventory data is not actually in our inventory."),
    1383             :     .http_code = MHD_HTTP_NOT_FOUND
    1384             :   },
    1385             : 
    1386             :   {
    1387             :     .ec = TALER_EC_MERCHANT_GENERIC_TIP_ID_UNKNOWN,
    1388             :     .hint = gettext_noop ("The tip ID is unknown.  This could happen if the tip has expired."),
    1389             :     .http_code = MHD_HTTP_NOT_FOUND
    1390             :   },
    1391             : 
    1392             :   {
    1393             :     .ec = TALER_EC_MERCHANT_GENERIC_DB_CONTRACT_CONTENT_INVALID,
    1394             :     .hint = gettext_noop ("The contract obtained from the merchant backend was malformed."),
    1395             :     .http_code = MHD_HTTP_INTERNAL_SERVER_ERROR
    1396             :   },
    1397             : 
    1398             :   {
    1399             :     .ec = TALER_EC_MERCHANT_GENERIC_CONTRACT_HASH_DOES_NOT_MATCH_ORDER,
    1400             :     .hint = gettext_noop ("The order we found does not match the provided contract hash."),
    1401             :     .http_code = MHD_HTTP_FORBIDDEN
    1402             :   },
    1403             : 
    1404             :   {
    1405             :     .ec = TALER_EC_MERCHANT_GENERIC_EXCHANGE_KEYS_FAILURE,
    1406             :     .hint = gettext_noop ("The exchange failed to provide a valid response to the merchant's /keys request."),
    1407             :     .http_code = MHD_HTTP_BAD_GATEWAY
    1408             :   },
    1409             : 
    1410             :   {
    1411             :     .ec = TALER_EC_MERCHANT_GENERIC_EXCHANGE_TIMEOUT,
    1412             :     .hint = gettext_noop ("The exchange failed to respond to the merchant on time."),
    1413             :     .http_code = MHD_HTTP_GATEWAY_TIMEOUT
    1414             :   },
    1415             : 
    1416             :   {
    1417             :     .ec = TALER_EC_MERCHANT_GENERIC_EXCHANGE_CONNECT_FAILURE,
    1418             :     .hint = gettext_noop ("The merchant failed to talk to the exchange."),
    1419             :     .http_code = MHD_HTTP_INTERNAL_SERVER_ERROR
    1420             :   },
    1421             : 
    1422             :   {
    1423             :     .ec = TALER_EC_MERCHANT_GENERIC_EXCHANGE_REPLY_MALFORMED,
    1424             :     .hint = gettext_noop ("The exchange returned a maformed response."),
    1425             :     .http_code = MHD_HTTP_BAD_GATEWAY
    1426             :   },
    1427             : 
    1428             :   {
    1429             :     .ec = TALER_EC_MERCHANT_GENERIC_EXCHANGE_UNEXPECTED_STATUS,
    1430             :     .hint = gettext_noop ("The exchange returned an unexpected response status."),
    1431             :     .http_code = MHD_HTTP_BAD_GATEWAY
    1432             :   },
    1433             : 
    1434             :   {
    1435             :     .ec = TALER_EC_MERCHANT_GENERIC_UNAUTHORIZED,
    1436             :     .hint = gettext_noop ("The merchant refused the request due to lack of authorization."),
    1437             :     .http_code = MHD_HTTP_UNAUTHORIZED
    1438             :   },
    1439             : 
    1440             :   {
    1441             :     .ec = TALER_EC_MERCHANT_GENERIC_INSTANCE_DELETED,
    1442             :     .hint = gettext_noop ("The merchant instance specified in the request was deleted."),
    1443             :     .http_code = MHD_HTTP_NOT_FOUND
    1444             :   },
    1445             : 
    1446             :   {
    1447             :     .ec = TALER_EC_MERCHANT_GENERIC_TRANSFER_UNKNOWN,
    1448             :     .hint = gettext_noop ("The backend could not find the inbound wire transfer specified in the request."),
    1449             :     .http_code = MHD_HTTP_NOT_FOUND
    1450             :   },
    1451             : 
    1452             :   {
    1453             :     .ec = TALER_EC_MERCHANT_GET_ORDERS_EXCHANGE_TRACKING_FAILURE,
    1454             :     .hint = gettext_noop ("The exchange failed to provide a valid answer to the tracking request, thus those details are not in the response."),
    1455             :     .http_code = MHD_HTTP_OK
    1456             :   },
    1457             : 
    1458             :   {
    1459             :     .ec = TALER_EC_MERCHANT_GET_ORDERS_ID_EXCHANGE_REQUEST_FAILURE,
    1460             :     .hint = gettext_noop ("The merchant backend failed to construct the request for tracking to the exchange, thus tracking details are not in the response."),
    1461             :     .http_code = MHD_HTTP_INTERNAL_SERVER_ERROR
    1462             :   },
    1463             : 
    1464             :   {
    1465             :     .ec = TALER_EC_MERCHANT_GET_ORDERS_ID_EXCHANGE_LOOKUP_START_FAILURE,
    1466             :     .hint = gettext_noop ("The merchant backend failed trying to contact the exchange for tracking details, thus those details are not in the response."),
    1467             :     .http_code = MHD_HTTP_INTERNAL_SERVER_ERROR
    1468             :   },
    1469             : 
    1470             :   {
    1471             :     .ec = TALER_EC_MERCHANT_GET_ORDERS_ID_INVALID_TOKEN,
    1472             :     .hint = gettext_noop ("The claim token used to authenticate the client is invalid for this order."),
    1473             :     .http_code = MHD_HTTP_FORBIDDEN
    1474             :   },
    1475             : 
    1476             :   {
    1477             :     .ec = TALER_EC_MERCHANT_GET_ORDERS_ID_INVALID_CONTRACT_HASH,
    1478             :     .hint = gettext_noop ("The contract terms hash used to authenticate the client is invalid for this order."),
    1479             :     .http_code = MHD_HTTP_FORBIDDEN
    1480             :   },
    1481             : 
    1482             :   {
    1483             :     .ec = TALER_EC_MERCHANT_POST_ORDERS_ID_PAY_INSUFFICIENT_FUNDS,
    1484             :     .hint = gettext_noop ("The exchange responded saying that funds were insufficient (for example, due to double-spending)."),
    1485             :     .http_code = MHD_HTTP_CONFLICT
    1486             :   },
    1487             : 
    1488             :   {
    1489             :     .ec = TALER_EC_MERCHANT_POST_ORDERS_ID_PAY_DENOMINATION_KEY_NOT_FOUND,
    1490             :     .hint = gettext_noop ("The denomination key used for payment is not listed among the denomination keys of the exchange."),
    1491             :     .http_code = MHD_HTTP_BAD_REQUEST
    1492             :   },
    1493             : 
    1494             :   {
    1495             :     .ec = TALER_EC_MERCHANT_POST_ORDERS_ID_PAY_DENOMINATION_KEY_AUDITOR_FAILURE,
    1496             :     .hint = gettext_noop ("The denomination key used for payment is not audited by an auditor approved by the merchant."),
    1497             :     .http_code = MHD_HTTP_BAD_REQUEST
    1498             :   },
    1499             : 
    1500             :   {
    1501             :     .ec = TALER_EC_MERCHANT_POST_ORDERS_ID_PAY_AMOUNT_OVERFLOW,
    1502             :     .hint = gettext_noop ("There was an integer overflow totaling up the amounts or deposit fees in the payment."),
    1503             :     .http_code = MHD_HTTP_INTERNAL_SERVER_ERROR
    1504             :   },
    1505             : 
    1506             :   {
    1507             :     .ec = TALER_EC_MERCHANT_POST_ORDERS_ID_PAY_FEES_EXCEED_PAYMENT,
    1508             :     .hint = gettext_noop ("The deposit fees exceed the total value of the payment."),
    1509             :     .http_code = MHD_HTTP_BAD_REQUEST
    1510             :   },
    1511             : 
    1512             :   {
    1513             :     .ec = TALER_EC_MERCHANT_POST_ORDERS_ID_PAY_INSUFFICIENT_DUE_TO_FEES,
    1514             :     .hint = gettext_noop ("After considering deposit and wire fees, the payment is insufficient to satisfy the required amount for the contract.  The client should revisit the logic used to calculate fees it must cover."),
    1515             :     .http_code = MHD_HTTP_NOT_ACCEPTABLE
    1516             :   },
    1517             : 
    1518             :   {
    1519             :     .ec = TALER_EC_MERCHANT_POST_ORDERS_ID_PAY_PAYMENT_INSUFFICIENT,
    1520             :     .hint = gettext_noop ("Even if we do not consider deposit and wire fees, the payment is insufficient to satisfy the required amount for the contract."),
    1521             :     .http_code = MHD_HTTP_NOT_ACCEPTABLE
    1522             :   },
    1523             : 
    1524             :   {
    1525             :     .ec = TALER_EC_MERCHANT_POST_ORDERS_ID_PAY_COIN_SIGNATURE_INVALID,
    1526             :     .hint = gettext_noop ("The signature over the contract of one of the coins was invalid."),
    1527             :     .http_code = MHD_HTTP_FORBIDDEN
    1528             :   },
    1529             : 
    1530             :   {
    1531             :     .ec = TALER_EC_MERCHANT_POST_ORDERS_ID_PAY_EXCHANGE_LOOKUP_FAILED,
    1532             :     .hint = gettext_noop ("When we tried to find information about the exchange to issue the deposit, we failed.  This usually only happens if the merchant backend is somehow unable to get its own HTTP client logic to work."),
    1533             :     .http_code = MHD_HTTP_INTERNAL_SERVER_ERROR
    1534             :   },
    1535             : 
    1536             :   {
    1537             :     .ec = TALER_EC_MERCHANT_POST_ORDERS_ID_PAY_REFUND_DEADLINE_PAST_WIRE_TRANSFER_DEADLINE,
    1538             :     .hint = gettext_noop ("The refund deadline in the contract is after the transfer deadline."),
    1539             :     .http_code = MHD_HTTP_INTERNAL_SERVER_ERROR
    1540             :   },
    1541             : 
    1542             :   {
    1543             :     .ec = TALER_EC_MERCHANT_POST_ORDERS_ID_PAY_ALREADY_PAID,
    1544             :     .hint = gettext_noop ("The order was already paid (maybe by another wallet)."),
    1545             :     .http_code = MHD_HTTP_CONFLICT
    1546             :   },
    1547             : 
    1548             :   {
    1549             :     .ec = TALER_EC_MERCHANT_POST_ORDERS_ID_PAY_OFFER_EXPIRED,
    1550             :     .hint = gettext_noop ("The payment is too late, the offer has expired."),
    1551             :     .http_code = MHD_HTTP_GONE
    1552             :   },
    1553             : 
    1554             :   {
    1555             :     .ec = TALER_EC_MERCHANT_POST_ORDERS_ID_PAY_MERCHANT_FIELD_MISSING,
    1556             :     .hint = gettext_noop ("The \"merchant\" field is missing in the proposal data. This is an internal error as the proposal is from the merchant's own database at this point."),
    1557             :     .http_code = MHD_HTTP_INTERNAL_SERVER_ERROR
    1558             :   },
    1559             : 
    1560             :   {
    1561             :     .ec = TALER_EC_MERCHANT_POST_ORDERS_ID_PAY_WIRE_HASH_UNKNOWN,
    1562             :     .hint = gettext_noop ("Failed to locate merchant's account information matching the wire hash given in the proposal."),
    1563             :     .http_code = MHD_HTTP_INTERNAL_SERVER_ERROR
    1564             :   },
    1565             : 
    1566             :   {
    1567             :     .ec = TALER_EC_MERCHANT_POST_ORDERS_ID_PAY_DENOMINATION_DEPOSIT_EXPIRED,
    1568             :     .hint = gettext_noop ("The deposit time for the denomination has expired."),
    1569             :     .http_code = MHD_HTTP_GONE
    1570             :   },
    1571             : 
    1572             :   {
    1573             :     .ec = TALER_EC_MERCHANT_POST_ORDERS_ID_PAY_EXCHANGE_WIRE_FEE_ADDITION_FAILED,
    1574             :     .hint = gettext_noop ("The exchange of the deposited coin charges a wire fee that could not be added to the total (total amount too high)."),
    1575             :     .http_code = MHD_HTTP_INTERNAL_SERVER_ERROR
    1576             :   },
    1577             : 
    1578             :   {
    1579             :     .ec = TALER_EC_MERCHANT_POST_ORDERS_ID_PAY_REFUNDED,
    1580             :     .hint = gettext_noop ("The contract was not fully paid because of refunds. Note that clients MAY treat this as paid if, for example, contracts must be executed despite of refunds."),
    1581             :     .http_code = MHD_HTTP_PAYMENT_REQUIRED
    1582             :   },
    1583             : 
    1584             :   {
    1585             :     .ec = TALER_EC_MERCHANT_POST_ORDERS_ID_PAY_REFUNDS_EXCEED_PAYMENTS,
    1586             :     .hint = gettext_noop ("According to our database, we have refunded more than we were paid (which should not be possible)."),
    1587             :     .http_code = MHD_HTTP_INTERNAL_SERVER_ERROR
    1588             :   },
    1589             : 
    1590             :   {
    1591             :     .ec = TALER_EC_DEAD_QQQ_PAY_MERCHANT_POST_ORDERS_ID_ABORT_REFUND_REFUSED_PAYMENT_COMPLETE,
    1592             :     .hint = gettext_noop ("Legacy stuff. Remove me with protocol v1."),
    1593             :     .http_code = MHD_HTTP_UNINITIALIZED
    1594             :   },
    1595             : 
    1596             :   {
    1597             :     .ec = TALER_EC_MERCHANT_POST_ORDERS_ID_PAY_EXCHANGE_FAILED,
    1598             :     .hint = gettext_noop ("The payment failed at the exchange."),
    1599             :     .http_code = MHD_HTTP_BAD_GATEWAY
    1600             :   },
    1601             : 
    1602             :   {
    1603             :     .ec = TALER_EC_MERCHANT_POST_ORDERS_ID_PAY_AGE_COMMITMENT_MISSING,
    1604             :     .hint = gettext_noop ("The payment required a minimum age but one of the coins (of a denomination with support for age restriction) did not provide any age_commitment."),
    1605             :     .http_code = MHD_HTTP_BAD_REQUEST
    1606             :   },
    1607             : 
    1608             :   {
    1609             :     .ec = TALER_EC_MERCHANT_POST_ORDERS_ID_PAY_AGE_COMMITMENT_SIZE_MISMATCH,
    1610             :     .hint = gettext_noop ("The payment required a minimum age but one of the coins provided an age_commitment that contained a wrong number of public keys compared to the number of age groups defined in the denomination of the coin."),
    1611             :     .http_code = MHD_HTTP_BAD_REQUEST
    1612             :   },
    1613             : 
    1614             :   {
    1615             :     .ec = TALER_EC_MERCHANT_POST_ORDERS_ID_PAY_AGE_VERIFICATION_FAILED,
    1616             :     .hint = gettext_noop ("The payment required a minimum age but one of the coins provided a minimum_age_sig that couldn't be verified with the given age_commitment for that particular minimum age."),
    1617             :     .http_code = MHD_HTTP_BAD_REQUEST
    1618             :   },
    1619             : 
    1620             :   {
    1621             :     .ec = TALER_EC_MERCHANT_POST_ORDERS_ID_PAY_AGE_COMMITMENT_HASH_MISSING,
    1622             :     .hint = gettext_noop ("The payment required no minimum age but one of the coins (of a denomination with support for age restriction) did not provide the required h_age_commitment."),
    1623             :     .http_code = MHD_HTTP_BAD_REQUEST
    1624             :   },
    1625             : 
    1626             :   {
    1627             :     .ec = TALER_EC_MERCHANT_POST_ORDERS_ID_PAID_CONTRACT_HASH_MISMATCH,
    1628             :     .hint = gettext_noop ("The contract hash does not match the given order ID."),
    1629             :     .http_code = MHD_HTTP_BAD_REQUEST
    1630             :   },
    1631             : 
    1632             :   {
    1633             :     .ec = TALER_EC_MERCHANT_POST_ORDERS_ID_PAID_COIN_SIGNATURE_INVALID,
    1634             :     .hint = gettext_noop ("The signature of the merchant is not valid for the given contract hash."),
    1635             :     .http_code = MHD_HTTP_FORBIDDEN
    1636             :   },
    1637             : 
    1638             :   {
    1639             :     .ec = TALER_EC_MERCHANT_POST_ORDERS_ID_ABORT_EXCHANGE_REFUND_FAILED,
    1640             :     .hint = gettext_noop ("The merchant failed to send the exchange the refund request."),
    1641             :     .http_code = MHD_HTTP_INTERNAL_SERVER_ERROR
    1642             :   },
    1643             : 
    1644             :   {
    1645             :     .ec = TALER_EC_MERCHANT_POST_ORDERS_ID_ABORT_EXCHANGE_LOOKUP_FAILED,
    1646             :     .hint = gettext_noop ("The merchant failed to find the exchange to process the lookup."),
    1647             :     .http_code = MHD_HTTP_INTERNAL_SERVER_ERROR
    1648             :   },
    1649             : 
    1650             :   {
    1651             :     .ec = TALER_EC_MERCHANT_POST_ORDERS_ID_ABORT_CONTRACT_NOT_FOUND,
    1652             :     .hint = gettext_noop ("The merchant could not find the contract."),
    1653             :     .http_code = MHD_HTTP_NOT_FOUND
    1654             :   },
    1655             : 
    1656             :   {
    1657             :     .ec = TALER_EC_MERCHANT_POST_ORDERS_ID_ABORT_REFUND_REFUSED_PAYMENT_COMPLETE,
    1658             :     .hint = gettext_noop ("The payment was already completed and thus cannot be aborted anymore."),
    1659             :     .http_code = MHD_HTTP_PRECONDITION_FAILED
    1660             :   },
    1661             : 
    1662             :   {
    1663             :     .ec = TALER_EC_MERCHANT_POST_ORDERS_ID_ABORT_CONTRACT_HASH_MISSMATCH,
    1664             :     .hint = gettext_noop ("The hash provided by the wallet does not match the order."),
    1665             :     .http_code = MHD_HTTP_FORBIDDEN
    1666             :   },
    1667             : 
    1668             :   {
    1669             :     .ec = TALER_EC_MERCHANT_POST_ORDERS_ID_ABORT_COINS_ARRAY_EMPTY,
    1670             :     .hint = gettext_noop ("The array of coins cannot be empty."),
    1671             :     .http_code = MHD_HTTP_BAD_REQUEST
    1672             :   },
    1673             : 
    1674             :   {
    1675             :     .ec = TALER_EC_MERCHANT_POST_ORDERS_ID_CLAIM_NOT_FOUND,
    1676             :     .hint = gettext_noop ("We could not claim the order because the backend is unaware of it."),
    1677             :     .http_code = MHD_HTTP_NOT_FOUND
    1678             :   },
    1679             : 
    1680             :   {
    1681             :     .ec = TALER_EC_MERCHANT_POST_ORDERS_ID_CLAIM_ALREADY_CLAIMED,
    1682             :     .hint = gettext_noop ("We could not claim the order because someone else claimed it first."),
    1683             :     .http_code = MHD_HTTP_CONFLICT
    1684             :   },
    1685             : 
    1686             :   {
    1687             :     .ec = TALER_EC_MERCHANT_POST_ORDERS_ID_CLAIM_CLIENT_INTERNAL_FAILURE,
    1688             :     .hint = gettext_noop ("The client-side experienced an internal failure."),
    1689             :     .http_code = MHD_HTTP_UNINITIALIZED
    1690             :   },
    1691             : 
    1692             :   {
    1693             :     .ec = TALER_EC_MERCHANT_POST_ORDERS_ID_REFUND_SIGNATURE_FAILED,
    1694             :     .hint = gettext_noop ("The backend failed to sign the refund request."),
    1695             :     .http_code = MHD_HTTP_UNINITIALIZED
    1696             :   },
    1697             : 
    1698             :   {
    1699             :     .ec = TALER_EC_MERCHANT_TIP_PICKUP_UNBLIND_FAILURE,
    1700             :     .hint = gettext_noop ("The client failed to unblind the signature returned by the merchant."),
    1701             :     .http_code = MHD_HTTP_UNINITIALIZED
    1702             :   },
    1703             : 
    1704             :   {
    1705             :     .ec = TALER_EC_MERCHANT_TIP_PICKUP_EXCHANGE_ERROR,
    1706             :     .hint = gettext_noop ("The exchange returned a failure code for the withdraw operation."),
    1707             :     .http_code = MHD_HTTP_BAD_GATEWAY
    1708             :   },
    1709             : 
    1710             :   {
    1711             :     .ec = TALER_EC_MERCHANT_TIP_PICKUP_SUMMATION_FAILED,
    1712             :     .hint = gettext_noop ("The merchant failed to add up the amounts to compute the pick up value."),
    1713             :     .http_code = MHD_HTTP_INTERNAL_SERVER_ERROR
    1714             :   },
    1715             : 
    1716             :   {
    1717             :     .ec = TALER_EC_MERCHANT_TIP_PICKUP_HAS_EXPIRED,
    1718             :     .hint = gettext_noop ("The tip expired."),
    1719             :     .http_code = MHD_HTTP_GONE
    1720             :   },
    1721             : 
    1722             :   {
    1723             :     .ec = TALER_EC_MERCHANT_TIP_PICKUP_AMOUNT_EXCEEDS_TIP_REMAINING,
    1724             :     .hint = gettext_noop ("The requested withdraw amount exceeds the amount remaining to be picked up."),
    1725             :     .http_code = MHD_HTTP_BAD_REQUEST
    1726             :   },
    1727             : 
    1728             :   {
    1729             :     .ec = TALER_EC_MERCHANT_TIP_PICKUP_DENOMINATION_UNKNOWN,
    1730             :     .hint = gettext_noop ("The merchant did not find the specified denomination key in the exchange's key set."),
    1731             :     .http_code = MHD_HTTP_CONFLICT
    1732             :   },
    1733             : 
    1734             :   {
    1735             :     .ec = TALER_EC_MERCHANT_PRIVATE_POST_ORDERS_INSTANCE_CONFIGURATION_LACKS_WIRE,
    1736             :     .hint = gettext_noop ("The backend lacks a wire transfer method configuration option for the given instance. Thus, this instance is unavailable (not findable for creating new orders)."),
    1737             :     .http_code = MHD_HTTP_NOT_FOUND
    1738             :   },
    1739             : 
    1740             :   {
    1741             :     .ec = TALER_EC_MERCHANT_PRIVATE_POST_ORDERS_NO_LOCALTIME,
    1742             :     .hint = gettext_noop ("The proposal had no timestamp and the backend failed to obtain the local time. Likely to be an internal error."),
    1743             :     .http_code = MHD_HTTP_INTERNAL_SERVER_ERROR
    1744             :   },
    1745             : 
    1746             :   {
    1747             :     .ec = TALER_EC_MERCHANT_PRIVATE_POST_ORDERS_PROPOSAL_PARSE_ERROR,
    1748             :     .hint = gettext_noop ("The order provided to the backend could not be parsed, some required fields were missing or ill-formed."),
    1749             :     .http_code = MHD_HTTP_BAD_REQUEST
    1750             :   },
    1751             : 
    1752             :   {
    1753             :     .ec = TALER_EC_MERCHANT_PRIVATE_POST_ORDERS_ALREADY_EXISTS,
    1754             :     .hint = gettext_noop ("The backend encountered an error: the proposal already exists."),
    1755             :     .http_code = MHD_HTTP_CONFLICT
    1756             :   },
    1757             : 
    1758             :   {
    1759             :     .ec = TALER_EC_MERCHANT_PRIVATE_POST_ORDERS_REFUND_AFTER_WIRE_DEADLINE,
    1760             :     .hint = gettext_noop ("The request is invalid: the wire deadline is before the refund deadline."),
    1761             :     .http_code = MHD_HTTP_BAD_REQUEST
    1762             :   },
    1763             : 
    1764             :   {
    1765             :     .ec = TALER_EC_MERCHANT_PRIVATE_POST_ORDERS_DELIVERY_DATE_IN_PAST,
    1766             :     .hint = gettext_noop ("The request is invalid: a delivery date was given, but it is in the past."),
    1767             :     .http_code = MHD_HTTP_BAD_REQUEST
    1768             :   },
    1769             : 
    1770             :   {
    1771             :     .ec = TALER_EC_MERCHANT_PRIVATE_POST_ORDERS_WIRE_DEADLINE_IS_NEVER,
    1772             :     .hint = gettext_noop ("The request is invalid: the wire deadline for the order would be \"never\"."),
    1773             :     .http_code = MHD_HTTP_BAD_REQUEST
    1774             :   },
    1775             : 
    1776             :   {
    1777             :     .ec = TALER_EC_MERCHANT_PRIVATE_PATCH_ORDERS_ID_FORGET_PATH_SYNTAX_INCORRECT,
    1778             :     .hint = gettext_noop ("One of the paths to forget is malformed."),
    1779             :     .http_code = MHD_HTTP_BAD_REQUEST
    1780             :   },
    1781             : 
    1782             :   {
    1783             :     .ec = TALER_EC_MERCHANT_PRIVATE_PATCH_ORDERS_ID_FORGET_PATH_NOT_FORGETTABLE,
    1784             :     .hint = gettext_noop ("One of the paths to forget was not marked as forgettable."),
    1785             :     .http_code = MHD_HTTP_CONFLICT
    1786             :   },
    1787             : 
    1788             :   {
    1789             :     .ec = TALER_EC_MERCHANT_PRIVATE_DELETE_ORDERS_AWAITING_PAYMENT,
    1790             :     .hint = gettext_noop ("The order provided to the backend could not be deleted, our offer is still valid and awaiting payment."),
    1791             :     .http_code = MHD_HTTP_CONFLICT
    1792             :   },
    1793             : 
    1794             :   {
    1795             :     .ec = TALER_EC_MERCHANT_PRIVATE_DELETE_ORDERS_ALREADY_PAID,
    1796             :     .hint = gettext_noop ("The order provided to the backend could not be deleted as the order was already paid."),
    1797             :     .http_code = MHD_HTTP_CONFLICT
    1798             :   },
    1799             : 
    1800             :   {
    1801             :     .ec = TALER_EC_MERCHANT_PRIVATE_POST_ORDERS_ID_REFUND_INCONSISTENT_AMOUNT,
    1802             :     .hint = gettext_noop ("The amount to be refunded is inconsistent: either is lower than the previous amount being awarded, or it is too big to be paid back. In this second case, the fault stays on the business dept. side."),
    1803             :     .http_code = MHD_HTTP_CONFLICT
    1804             :   },
    1805             : 
    1806             :   {
    1807             :     .ec = TALER_EC_MERCHANT_PRIVATE_POST_ORDERS_ID_REFUND_ORDER_UNPAID,
    1808             :     .hint = gettext_noop ("The frontend gave an unpaid order id to issue the refund to."),
    1809             :     .http_code = MHD_HTTP_CONFLICT
    1810             :   },
    1811             : 
    1812             :   {
    1813             :     .ec = TALER_EC_MERCHANT_PRIVATE_POST_ORDERS_ID_REFUND_NOT_ALLOWED_BY_CONTRACT,
    1814             :     .hint = gettext_noop ("The refund delay was set to 0 and thus no refunds are allowed for this order."),
    1815             :     .http_code = MHD_HTTP_FORBIDDEN
    1816             :   },
    1817             : 
    1818             :   {
    1819             :     .ec = TALER_EC_MERCHANT_PRIVATE_POST_TRANSFERS_EXCHANGE_UNKNOWN,
    1820             :     .hint = gettext_noop ("The exchange says it does not know this transfer."),
    1821             :     .http_code = MHD_HTTP_BAD_GATEWAY
    1822             :   },
    1823             : 
    1824             :   {
    1825             :     .ec = TALER_EC_MERCHANT_PRIVATE_POST_TRANSFERS_REQUEST_ERROR,
    1826             :     .hint = gettext_noop ("We internally failed to execute the /track/transfer request."),
    1827             :     .http_code = MHD_HTTP_BAD_GATEWAY
    1828             :   },
    1829             : 
    1830             :   {
    1831             :     .ec = TALER_EC_MERCHANT_PRIVATE_POST_TRANSFERS_CONFLICTING_TRANSFERS,
    1832             :     .hint = gettext_noop ("The amount transferred differs between what was submitted and what the exchange claimed."),
    1833             :     .http_code = MHD_HTTP_CONFLICT
    1834             :   },
    1835             : 
    1836             :   {
    1837             :     .ec = TALER_EC_MERCHANT_PRIVATE_POST_TRANSFERS_CONFLICTING_REPORTS,
    1838             :     .hint = gettext_noop ("The exchange gave conflicting information about a coin which has been wire transferred."),
    1839             :     .http_code = MHD_HTTP_CONFLICT
    1840             :   },
    1841             : 
    1842             :   {
    1843             :     .ec = TALER_EC_MERCHANT_PRIVATE_POST_TRANSFERS_BAD_WIRE_FEE,
    1844             :     .hint = gettext_noop ("The exchange charged a different wire fee than what it originally advertised, and it is higher."),
    1845             :     .http_code = MHD_HTTP_BAD_GATEWAY
    1846             :   },
    1847             : 
    1848             :   {
    1849             :     .ec = TALER_EC_MERCHANT_PRIVATE_POST_TRANSFERS_ACCOUNT_NOT_FOUND,
    1850             :     .hint = gettext_noop ("We did not find the account that the transfer was made to."),
    1851             :     .http_code = MHD_HTTP_NOT_FOUND
    1852             :   },
    1853             : 
    1854             :   {
    1855             :     .ec = TALER_EC_MERCHANT_PRIVATE_DELETE_TRANSFERS_ALREADY_CONFIRMED,
    1856             :     .hint = gettext_noop ("The backend could not delete the transfer as the echange already replied to our inquiry about it and we have integrated the result."),
    1857             :     .http_code = MHD_HTTP_CONFLICT
    1858             :   },
    1859             : 
    1860             :   {
    1861             :     .ec = TALER_EC_MERCHANT_PRIVATE_POST_TRANSFERS_CONFLICTING_SUBMISSION,
    1862             :     .hint = gettext_noop ("The backend was previously informed about a wire transfer with the same ID but a different amount. Multiple wire transfers with the same ID are not allowed. If the new amount is correct, the old transfer should first be deleted."),
    1863             :     .http_code = MHD_HTTP_CONFLICT
    1864             :   },
    1865             : 
    1866             :   {
    1867             :     .ec = TALER_EC_MERCHANT_PRIVATE_POST_INSTANCES_ALREADY_EXISTS,
    1868             :     .hint = gettext_noop ("The merchant backend cannot create an instance under the given identifier as one already exists. Use PATCH to modify the existing entry."),
    1869             :     .http_code = MHD_HTTP_CONFLICT
    1870             :   },
    1871             : 
    1872             :   {
    1873             :     .ec = TALER_EC_MERCHANT_PRIVATE_POST_INSTANCES_BAD_AUTH,
    1874             :     .hint = gettext_noop ("The merchant backend cannot create an instance because the authentication configuration field is malformed."),
    1875             :     .http_code = MHD_HTTP_BAD_REQUEST
    1876             :   },
    1877             : 
    1878             :   {
    1879             :     .ec = TALER_EC_MERCHANT_PRIVATE_POST_INSTANCE_AUTH_BAD_AUTH,
    1880             :     .hint = gettext_noop ("The merchant backend cannot update an instance's authentication settings because the provided authentication settings are malformed."),
    1881             :     .http_code = MHD_HTTP_BAD_REQUEST
    1882             :   },
    1883             : 
    1884             :   {
    1885             :     .ec = TALER_EC_MERCHANT_PRIVATE_POST_INSTANCES_PURGE_REQUIRED,
    1886             :     .hint = gettext_noop ("The merchant backend cannot create an instance under the given identifier, the previous one was deleted but must be purged first."),
    1887             :     .http_code = MHD_HTTP_CONFLICT
    1888             :   },
    1889             : 
    1890             :   {
    1891             :     .ec = TALER_EC_MERCHANT_PRIVATE_PATCH_INSTANCES_PURGE_REQUIRED,
    1892             :     .hint = gettext_noop ("The merchant backend cannot update an instance under the given identifier, the previous one was deleted but must be purged first."),
    1893             :     .http_code = MHD_HTTP_CONFLICT
    1894             :   },
    1895             : 
    1896             :   {
    1897             :     .ec = TALER_EC_MERCHANT_PRIVATE_POST_PRODUCTS_CONFLICT_PRODUCT_EXISTS,
    1898             :     .hint = gettext_noop ("The product ID exists."),
    1899             :     .http_code = MHD_HTTP_CONFLICT
    1900             :   },
    1901             : 
    1902             :   {
    1903             :     .ec = TALER_EC_MERCHANT_PRIVATE_PATCH_PRODUCTS_TOTAL_LOST_REDUCED,
    1904             :     .hint = gettext_noop ("The update would have reduced the total amount of product lost, which is not allowed."),
    1905             :     .http_code = MHD_HTTP_CONFLICT
    1906             :   },
    1907             : 
    1908             :   {
    1909             :     .ec = TALER_EC_MERCHANT_PRIVATE_PATCH_PRODUCTS_TOTAL_LOST_EXCEEDS_STOCKS,
    1910             :     .hint = gettext_noop ("The update would have mean that more stocks were lost than what remains from total inventory after sales, which is not allowed."),
    1911             :     .http_code = MHD_HTTP_BAD_REQUEST
    1912             :   },
    1913             : 
    1914             :   {
    1915             :     .ec = TALER_EC_MERCHANT_PRIVATE_PATCH_PRODUCTS_TOTAL_STOCKED_REDUCED,
    1916             :     .hint = gettext_noop ("The update would have reduced the total amount of product in stock, which is not allowed."),
    1917             :     .http_code = MHD_HTTP_CONFLICT
    1918             :   },
    1919             : 
    1920             :   {
    1921             :     .ec = TALER_EC_MERCHANT_PRIVATE_PATCH_PRODUCTS_TOTAL_SOLD_REDUCED,
    1922             :     .hint = gettext_noop ("The update would have reduced the total amount of product sold, which is not allowed."),
    1923             :     .http_code = MHD_HTTP_CONFLICT
    1924             :   },
    1925             : 
    1926             :   {
    1927             :     .ec = TALER_EC_MERCHANT_PRIVATE_POST_PRODUCTS_LOCK_INSUFFICIENT_STOCKS,
    1928             :     .hint = gettext_noop ("The lock request is for more products than we have left (unlocked) in stock."),
    1929             :     .http_code = MHD_HTTP_GONE
    1930             :   },
    1931             : 
    1932             :   {
    1933             :     .ec = TALER_EC_MERCHANT_PRIVATE_DELETE_PRODUCTS_CONFLICTING_LOCK,
    1934             :     .hint = gettext_noop ("The deletion request is for a product that is locked."),
    1935             :     .http_code = MHD_HTTP_CONFLICT
    1936             :   },
    1937             : 
    1938             :   {
    1939             :     .ec = TALER_EC_MERCHANT_PRIVATE_POST_RESERVES_UNSUPPORTED_WIRE_METHOD,
    1940             :     .hint = gettext_noop ("The requested wire method is not supported by the exchange."),
    1941             :     .http_code = MHD_HTTP_CONFLICT
    1942             :   },
    1943             : 
    1944             :   {
    1945             :     .ec = TALER_EC_MERCHANT_PRIVATE_DELETE_RESERVES_NO_SUCH_RESERVE,
    1946             :     .hint = gettext_noop ("The reserve could not be deleted because it is unknown."),
    1947             :     .http_code = MHD_HTTP_NOT_FOUND
    1948             :   },
    1949             : 
    1950             :   {
    1951             :     .ec = TALER_EC_MERCHANT_PRIVATE_POST_TIP_AUTHORIZE_RESERVE_EXPIRED,
    1952             :     .hint = gettext_noop ("The reserve that was used to fund the tips has expired."),
    1953             :     .http_code = MHD_HTTP_GONE
    1954             :   },
    1955             : 
    1956             :   {
    1957             :     .ec = TALER_EC_MERCHANT_PRIVATE_POST_TIP_AUTHORIZE_RESERVE_UNKNOWN,
    1958             :     .hint = gettext_noop ("The reserve that was used to fund the tips was not found in the DB."),
    1959             :     .http_code = MHD_HTTP_SERVICE_UNAVAILABLE
    1960             :   },
    1961             : 
    1962             :   {
    1963             :     .ec = TALER_EC_MERCHANT_PRIVATE_POST_TIP_AUTHORIZE_INSUFFICIENT_FUNDS,
    1964             :     .hint = gettext_noop ("The backend knows the instance that was supposed to support the tip, and it was configured for tipping. However, the funds remaining are insufficient to cover the tip, and the merchant should top up the reserve."),
    1965             :     .http_code = MHD_HTTP_UNINITIALIZED
    1966             :   },
    1967             : 
    1968             :   {
    1969             :     .ec = TALER_EC_MERCHANT_PRIVATE_POST_TIP_AUTHORIZE_RESERVE_NOT_FOUND,
    1970             :     .hint = gettext_noop ("The backend failed to find a reserve needed to authorize the tip."),
    1971             :     .http_code = MHD_HTTP_SERVICE_UNAVAILABLE
    1972             :   },
    1973             : 
    1974             :   {
    1975             :     .ec = TALER_EC_MERCHANT_PRIVATE_GET_ORDERS_ID_AMOUNT_ARITHMETIC_FAILURE,
    1976             :     .hint = gettext_noop ("The merchant backend encountered a failure in computing the deposit total."),
    1977             :     .http_code = MHD_HTTP_OK
    1978             :   },
    1979             : 
    1980             :   {
    1981             :     .ec = TALER_EC_AUDITOR_DEPOSIT_CONFIRMATION_SIGNATURE_INVALID,
    1982             :     .hint = gettext_noop ("The signature from the exchange on the deposit confirmation is invalid."),
    1983             :     .http_code = MHD_HTTP_FORBIDDEN
    1984             :   },
    1985             : 
    1986             :   {
    1987             :     .ec = TALER_EC_AUDITOR_EXCHANGE_SIGNING_KEY_REVOKED,
    1988             :     .hint = gettext_noop ("The exchange key used for the signature on the deposit confirmation was revoked."),
    1989             :     .http_code = MHD_HTTP_GONE
    1990             :   },
    1991             : 
    1992             :   {
    1993             :     .ec = TALER_EC_BANK_SAME_ACCOUNT,
    1994             :     .hint = gettext_noop ("Wire transfer attempted with credit and debit party being the same bank account."),
    1995             :     .http_code = MHD_HTTP_BAD_REQUEST
    1996             :   },
    1997             : 
    1998             :   {
    1999             :     .ec = TALER_EC_BANK_UNALLOWED_DEBIT,
    2000             :     .hint = gettext_noop ("Wire transfer impossible, due to financial limitation of the party that attempted the payment."),
    2001             :     .http_code = MHD_HTTP_CONFLICT
    2002             :   },
    2003             : 
    2004             :   {
    2005             :     .ec = TALER_EC_BANK_NEGATIVE_NUMBER_AMOUNT,
    2006             :     .hint = gettext_noop ("Negative numbers are not allowed (as value and/or fraction) to instantiate an amount object."),
    2007             :     .http_code = MHD_HTTP_BAD_REQUEST
    2008             :   },
    2009             : 
    2010             :   {
    2011             :     .ec = TALER_EC_BANK_NUMBER_TOO_BIG,
    2012             :     .hint = gettext_noop ("A too big number was used (as value and/or fraction) to instantiate an amount object."),
    2013             :     .http_code = MHD_HTTP_BAD_REQUEST
    2014             :   },
    2015             : 
    2016             :   {
    2017             :     .ec = TALER_EC_BANK_LOGIN_FAILED,
    2018             :     .hint = gettext_noop ("Could not login for the requested operation."),
    2019             :     .http_code = MHD_HTTP_FORBIDDEN
    2020             :   },
    2021             : 
    2022             :   {
    2023             :     .ec = TALER_EC_BANK_UNKNOWN_ACCOUNT,
    2024             :     .hint = gettext_noop ("The bank account referenced in the requested operation was not found."),
    2025             :     .http_code = MHD_HTTP_NOT_FOUND
    2026             :   },
    2027             : 
    2028             :   {
    2029             :     .ec = TALER_EC_BANK_TRANSACTION_NOT_FOUND,
    2030             :     .hint = gettext_noop ("The transaction referenced in the requested operation (typically a reject operation), was not found."),
    2031             :     .http_code = MHD_HTTP_NOT_FOUND
    2032             :   },
    2033             : 
    2034             :   {
    2035             :     .ec = TALER_EC_BANK_BAD_FORMAT_AMOUNT,
    2036             :     .hint = gettext_noop ("Bank received a malformed amount string."),
    2037             :     .http_code = MHD_HTTP_BAD_REQUEST
    2038             :   },
    2039             : 
    2040             :   {
    2041             :     .ec = TALER_EC_BANK_REJECT_NO_RIGHTS,
    2042             :     .hint = gettext_noop ("The client does not own the account credited by the transaction which is to be rejected, so it has no rights do reject it."),
    2043             :     .http_code = MHD_HTTP_FORBIDDEN
    2044             :   },
    2045             : 
    2046             :   {
    2047             :     .ec = TALER_EC_BANK_UNMANAGED_EXCEPTION,
    2048             :     .hint = gettext_noop ("This error code is returned when no known exception types captured the exception."),
    2049             :     .http_code = MHD_HTTP_INTERNAL_SERVER_ERROR
    2050             :   },
    2051             : 
    2052             :   {
    2053             :     .ec = TALER_EC_BANK_SOFT_EXCEPTION,
    2054             :     .hint = gettext_noop ("This error code is used for all those exceptions that do not really need a specific error code to return to the client. Used for example when a client is trying to register with a unavailable username."),
    2055             :     .http_code = MHD_HTTP_INTERNAL_SERVER_ERROR
    2056             :   },
    2057             : 
    2058             :   {
    2059             :     .ec = TALER_EC_BANK_TRANSFER_REQUEST_UID_REUSED,
    2060             :     .hint = gettext_noop ("The request UID for a request to transfer funds has already been used, but with different details for the transfer."),
    2061             :     .http_code = MHD_HTTP_CONFLICT
    2062             :   },
    2063             : 
    2064             :   {
    2065             :     .ec = TALER_EC_BANK_WITHDRAWAL_OPERATION_RESERVE_SELECTION_CONFLICT,
    2066             :     .hint = gettext_noop ("The withdrawal operation already has a reserve selected.  The current request conflicts with the existing selection."),
    2067             :     .http_code = MHD_HTTP_CONFLICT
    2068             :   },
    2069             : 
    2070             :   {
    2071             :     .ec = TALER_EC_BANK_DUPLICATE_RESERVE_PUB_SUBJECT,
    2072             :     .hint = gettext_noop ("The wire transfer subject duplicates an existing reserve public key. But wire transfer subjects must be unique."),
    2073             :     .http_code = MHD_HTTP_CONFLICT
    2074             :   },
    2075             : 
    2076             :   {
    2077             :     .ec = TALER_EC_BANK_ANCIENT_TRANSACTION_GONE,
    2078             :     .hint = gettext_noop ("The client requested a transaction that is so far in the past, that it has been forgotten by the bank."),
    2079             :     .http_code = MHD_HTTP_GONE
    2080             :   },
    2081             : 
    2082             :   {
    2083             :     .ec = TALER_EC_BANK_ABORT_CONFIRM_CONFLICT,
    2084             :     .hint = gettext_noop ("The client attempted to abort a transaction that was already confirmed."),
    2085             :     .http_code = MHD_HTTP_CONFLICT
    2086             :   },
    2087             : 
    2088             :   {
    2089             :     .ec = TALER_EC_BANK_CONFIRM_ABORT_CONFLICT,
    2090             :     .hint = gettext_noop ("The client attempted to confirm a transaction that was already aborted."),
    2091             :     .http_code = MHD_HTTP_CONFLICT
    2092             :   },
    2093             : 
    2094             :   {
    2095             :     .ec = TALER_EC_SYNC_ACCOUNT_UNKNOWN,
    2096             :     .hint = gettext_noop ("The sync service failed find the account in its database."),
    2097             :     .http_code = MHD_HTTP_NOT_FOUND
    2098             :   },
    2099             : 
    2100             :   {
    2101             :     .ec = TALER_EC_SYNC_BAD_IF_NONE_MATCH,
    2102             :     .hint = gettext_noop ("The SHA-512 hash provided in the If-None-Match header is malformed."),
    2103             :     .http_code = MHD_HTTP_BAD_REQUEST
    2104             :   },
    2105             : 
    2106             :   {
    2107             :     .ec = TALER_EC_SYNC_BAD_IF_MATCH,
    2108             :     .hint = gettext_noop ("The SHA-512 hash provided in the If-Match header is malformed or missing."),
    2109             :     .http_code = MHD_HTTP_BAD_REQUEST
    2110             :   },
    2111             : 
    2112             :   {
    2113             :     .ec = TALER_EC_SYNC_BAD_SYNC_SIGNATURE,
    2114             :     .hint = gettext_noop ("The signature provided in the \"Sync-Signature\" header is malformed or missing."),
    2115             :     .http_code = MHD_HTTP_BAD_REQUEST
    2116             :   },
    2117             : 
    2118             :   {
    2119             :     .ec = TALER_EC_SYNC_INVALID_SIGNATURE,
    2120             :     .hint = gettext_noop ("The signature provided in the \"Sync-Signature\" header does not match the account, old or new Etags."),
    2121             :     .http_code = MHD_HTTP_FORBIDDEN
    2122             :   },
    2123             : 
    2124             :   {
    2125             :     .ec = TALER_EC_SYNC_MALFORMED_CONTENT_LENGTH,
    2126             :     .hint = gettext_noop ("The \"Content-length\" field for the upload is not a number."),
    2127             :     .http_code = MHD_HTTP_BAD_REQUEST
    2128             :   },
    2129             : 
    2130             :   {
    2131             :     .ec = TALER_EC_SYNC_EXCESSIVE_CONTENT_LENGTH,
    2132             :     .hint = gettext_noop ("The \"Content-length\" field for the upload is too big based on the server's terms of service."),
    2133             :     .http_code = MHD_HTTP_PAYLOAD_TOO_LARGE
    2134             :   },
    2135             : 
    2136             :   {
    2137             :     .ec = TALER_EC_SYNC_OUT_OF_MEMORY_ON_CONTENT_LENGTH,
    2138             :     .hint = gettext_noop ("The server is out of memory to handle the upload. Trying again later may succeed."),
    2139             :     .http_code = MHD_HTTP_PAYLOAD_TOO_LARGE
    2140             :   },
    2141             : 
    2142             :   {
    2143             :     .ec = TALER_EC_SYNC_INVALID_UPLOAD,
    2144             :     .hint = gettext_noop ("The uploaded data does not match the Etag."),
    2145             :     .http_code = MHD_HTTP_BAD_REQUEST
    2146             :   },
    2147             : 
    2148             :   {
    2149             :     .ec = TALER_EC_SYNC_PAYMENT_GENERIC_TIMEOUT,
    2150             :     .hint = gettext_noop ("HTTP server experienced a timeout while awaiting promised payment."),
    2151             :     .http_code = MHD_HTTP_REQUEST_TIMEOUT
    2152             :   },
    2153             : 
    2154             :   {
    2155             :     .ec = TALER_EC_SYNC_PAYMENT_CREATE_BACKEND_ERROR,
    2156             :     .hint = gettext_noop ("Sync could not setup the payment request with its own backend."),
    2157             :     .http_code = MHD_HTTP_INTERNAL_SERVER_ERROR
    2158             :   },
    2159             : 
    2160             :   {
    2161             :     .ec = TALER_EC_SYNC_PREVIOUS_BACKUP_UNKNOWN,
    2162             :     .hint = gettext_noop ("The sync service failed find the backup to be updated in its database."),
    2163             :     .http_code = MHD_HTTP_NOT_FOUND
    2164             :   },
    2165             : 
    2166             :   {
    2167             :     .ec = TALER_EC_SYNC_MISSING_CONTENT_LENGTH,
    2168             :     .hint = gettext_noop ("The \"Content-length\" field for the upload is missing."),
    2169             :     .http_code = MHD_HTTP_BAD_REQUEST
    2170             :   },
    2171             : 
    2172             :   {
    2173             :     .ec = TALER_EC_SYNC_GENERIC_BACKEND_ERROR,
    2174             :     .hint = gettext_noop ("Sync had problems communicating with its payment backend."),
    2175             :     .http_code = MHD_HTTP_BAD_GATEWAY
    2176             :   },
    2177             : 
    2178             :   {
    2179             :     .ec = TALER_EC_SYNC_GENERIC_BACKEND_TIMEOUT,
    2180             :     .hint = gettext_noop ("Sync experienced a timeout communicating with its payment backend."),
    2181             :     .http_code = MHD_HTTP_GATEWAY_TIMEOUT
    2182             :   },
    2183             : 
    2184             :   {
    2185             :     .ec = TALER_EC_WALLET_EXCHANGE_PROTOCOL_VERSION_INCOMPATIBLE,
    2186             :     .hint = gettext_noop ("The wallet does not implement a version of the exchange protocol that is compatible with the protocol version of the exchange."),
    2187             :     .http_code = MHD_HTTP_NOT_IMPLEMENTED
    2188             :   },
    2189             : 
    2190             :   {
    2191             :     .ec = TALER_EC_WALLET_UNEXPECTED_EXCEPTION,
    2192             :     .hint = gettext_noop ("The wallet encountered an unexpected exception.  This is likely a bug in the wallet implementation."),
    2193             :     .http_code = MHD_HTTP_INTERNAL_SERVER_ERROR
    2194             :   },
    2195             : 
    2196             :   {
    2197             :     .ec = TALER_EC_WALLET_RECEIVED_MALFORMED_RESPONSE,
    2198             :     .hint = gettext_noop ("The wallet received a response from a server, but the response can't be parsed."),
    2199             :     .http_code = MHD_HTTP_UNINITIALIZED
    2200             :   },
    2201             : 
    2202             :   {
    2203             :     .ec = TALER_EC_WALLET_NETWORK_ERROR,
    2204             :     .hint = gettext_noop ("The wallet tried to make a network request, but it received no response."),
    2205             :     .http_code = MHD_HTTP_UNINITIALIZED
    2206             :   },
    2207             : 
    2208             :   {
    2209             :     .ec = TALER_EC_WALLET_HTTP_REQUEST_THROTTLED,
    2210             :     .hint = gettext_noop ("The wallet tried to make a network request, but it was throttled."),
    2211             :     .http_code = MHD_HTTP_UNINITIALIZED
    2212             :   },
    2213             : 
    2214             :   {
    2215             :     .ec = TALER_EC_WALLET_UNEXPECTED_REQUEST_ERROR,
    2216             :     .hint = gettext_noop ("The wallet made a request to a service, but received an error response it does not know how to handle."),
    2217             :     .http_code = MHD_HTTP_UNINITIALIZED
    2218             :   },
    2219             : 
    2220             :   {
    2221             :     .ec = TALER_EC_WALLET_EXCHANGE_DENOMINATIONS_INSUFFICIENT,
    2222             :     .hint = gettext_noop ("The denominations offered by the exchange are insufficient.  Likely the exchange is badly configured or not maintained."),
    2223             :     .http_code = MHD_HTTP_UNINITIALIZED
    2224             :   },
    2225             : 
    2226             :   {
    2227             :     .ec = TALER_EC_WALLET_CORE_API_OPERATION_UNKNOWN,
    2228             :     .hint = gettext_noop ("The wallet does not support the operation requested by a client."),
    2229             :     .http_code = MHD_HTTP_UNINITIALIZED
    2230             :   },
    2231             : 
    2232             :   {
    2233             :     .ec = TALER_EC_WALLET_INVALID_TALER_PAY_URI,
    2234             :     .hint = gettext_noop ("The given taler://pay URI is invalid."),
    2235             :     .http_code = MHD_HTTP_UNINITIALIZED
    2236             :   },
    2237             : 
    2238             :   {
    2239             :     .ec = TALER_EC_WALLET_EXCHANGE_COIN_SIGNATURE_INVALID,
    2240             :     .hint = gettext_noop ("The signature on a coin by the exchange's denomination key is invalid after unblinding it."),
    2241             :     .http_code = MHD_HTTP_UNINITIALIZED
    2242             :   },
    2243             : 
    2244             :   {
    2245             :     .ec = TALER_EC_WALLET_EXCHANGE_WITHDRAW_RESERVE_UNKNOWN_AT_EXCHANGE,
    2246             :     .hint = gettext_noop ("The exchange does not know about the reserve (yet), and thus withdrawal can't progress."),
    2247             :     .http_code = MHD_HTTP_NOT_FOUND
    2248             :   },
    2249             : 
    2250             :   {
    2251             :     .ec = TALER_EC_WALLET_CORE_NOT_AVAILABLE,
    2252             :     .hint = gettext_noop ("The wallet core service is not available."),
    2253             :     .http_code = MHD_HTTP_UNINITIALIZED
    2254             :   },
    2255             : 
    2256             :   {
    2257             :     .ec = TALER_EC_WALLET_WITHDRAWAL_OPERATION_ABORTED_BY_BANK,
    2258             :     .hint = gettext_noop ("The bank has aborted a withdrawal operation, and thus a withdrawal can't complete."),
    2259             :     .http_code = MHD_HTTP_UNINITIALIZED
    2260             :   },
    2261             : 
    2262             :   {
    2263             :     .ec = TALER_EC_WALLET_HTTP_REQUEST_GENERIC_TIMEOUT,
    2264             :     .hint = gettext_noop ("An HTTP request made by the wallet timed out."),
    2265             :     .http_code = MHD_HTTP_UNINITIALIZED
    2266             :   },
    2267             : 
    2268             :   {
    2269             :     .ec = TALER_EC_WALLET_ORDER_ALREADY_CLAIMED,
    2270             :     .hint = gettext_noop ("The order has already been claimed by another wallet."),
    2271             :     .http_code = MHD_HTTP_UNINITIALIZED
    2272             :   },
    2273             : 
    2274             :   {
    2275             :     .ec = TALER_EC_WALLET_WITHDRAWAL_GROUP_INCOMPLETE,
    2276             :     .hint = gettext_noop ("A group of withdrawal operations (typically for the same reserve at the same exchange) has errors and will be tried again later."),
    2277             :     .http_code = MHD_HTTP_UNINITIALIZED
    2278             :   },
    2279             : 
    2280             :   {
    2281             :     .ec = TALER_EC_WALLET_TIPPING_COIN_SIGNATURE_INVALID,
    2282             :     .hint = gettext_noop ("The signature on a coin by the exchange's denomination key (obtained through the merchant via tipping) is invalid after unblinding it."),
    2283             :     .http_code = MHD_HTTP_UNINITIALIZED
    2284             :   },
    2285             : 
    2286             :   {
    2287             :     .ec = TALER_EC_WALLET_BANK_INTEGRATION_PROTOCOL_VERSION_INCOMPATIBLE,
    2288             :     .hint = gettext_noop ("The wallet does not implement a version of the bank integration API that is compatible with the version offered by the bank."),
    2289             :     .http_code = MHD_HTTP_UNINITIALIZED
    2290             :   },
    2291             : 
    2292             :   {
    2293             :     .ec = TALER_EC_WALLET_CONTRACT_TERMS_BASE_URL_MISMATCH,
    2294             :     .hint = gettext_noop ("The wallet processed a taler://pay URI, but the merchant base URL in the downloaded contract terms does not match the merchant base URL derived from the URI."),
    2295             :     .http_code = MHD_HTTP_UNINITIALIZED
    2296             :   },
    2297             : 
    2298             :   {
    2299             :     .ec = TALER_EC_WALLET_CONTRACT_TERMS_SIGNATURE_INVALID,
    2300             :     .hint = gettext_noop ("The merchant's signature on the contract terms is invalid."),
    2301             :     .http_code = MHD_HTTP_UNINITIALIZED
    2302             :   },
    2303             : 
    2304             :   {
    2305             :     .ec = TALER_EC_WALLET_CONTRACT_TERMS_MALFORMED,
    2306             :     .hint = gettext_noop ("The contract terms given by the merchant are malformed."),
    2307             :     .http_code = MHD_HTTP_UNINITIALIZED
    2308             :   },
    2309             : 
    2310             :   {
    2311             :     .ec = TALER_EC_WALLET_PENDING_OPERATION_FAILED,
    2312             :     .hint = gettext_noop ("A pending operation failed, and thus the request can't be completed."),
    2313             :     .http_code = MHD_HTTP_UNINITIALIZED
    2314             :   },
    2315             : 
    2316             :   {
    2317             :     .ec = TALER_EC_ANASTASIS_GENERIC_BACKEND_TIMEOUT,
    2318             :     .hint = gettext_noop ("We encountered a timeout with our payment backend."),
    2319             :     .http_code = MHD_HTTP_GATEWAY_TIMEOUT
    2320             :   },
    2321             : 
    2322             :   {
    2323             :     .ec = TALER_EC_ANASTASIS_GENERIC_INVALID_PAYMENT_REQUEST,
    2324             :     .hint = gettext_noop ("The backend requested payment, but the request is malformed."),
    2325             :     .http_code = MHD_HTTP_UNINITIALIZED
    2326             :   },
    2327             : 
    2328             :   {
    2329             :     .ec = TALER_EC_ANASTASIS_GENERIC_BACKEND_ERROR,
    2330             :     .hint = gettext_noop ("The backend got an unexpected reply from the payment processor."),
    2331             :     .http_code = MHD_HTTP_BAD_GATEWAY
    2332             :   },
    2333             : 
    2334             :   {
    2335             :     .ec = TALER_EC_ANASTASIS_GENERIC_MISSING_CONTENT_LENGTH,
    2336             :     .hint = gettext_noop ("The \"Content-length\" field for the upload is missing."),
    2337             :     .http_code = MHD_HTTP_BAD_REQUEST
    2338             :   },
    2339             : 
    2340             :   {
    2341             :     .ec = TALER_EC_ANASTASIS_GENERIC_MALFORMED_CONTENT_LENGTH,
    2342             :     .hint = gettext_noop ("The \"Content-length\" field for the upload is malformed."),
    2343             :     .http_code = MHD_HTTP_BAD_REQUEST
    2344             :   },
    2345             : 
    2346             :   {
    2347             :     .ec = TALER_EC_ANASTASIS_GENERIC_ORDER_CREATE_BACKEND_ERROR,
    2348             :     .hint = gettext_noop ("The backend failed to setup an order with the payment processor."),
    2349             :     .http_code = MHD_HTTP_BAD_GATEWAY
    2350             :   },
    2351             : 
    2352             :   {
    2353             :     .ec = TALER_EC_ANASTASIS_GENERIC_PAYMENT_CHECK_UNAUTHORIZED,
    2354             :     .hint = gettext_noop ("The backend was not authorized to check for payment with the payment processor."),
    2355             :     .http_code = MHD_HTTP_INTERNAL_SERVER_ERROR
    2356             :   },
    2357             : 
    2358             :   {
    2359             :     .ec = TALER_EC_ANASTASIS_GENERIC_PAYMENT_CHECK_START_FAILED,
    2360             :     .hint = gettext_noop ("The backend could not check payment status with the payment processor."),
    2361             :     .http_code = MHD_HTTP_INTERNAL_SERVER_ERROR
    2362             :   },
    2363             : 
    2364             :   {
    2365             :     .ec = TALER_EC_ANASTASIS_GENERIC_PROVIDER_UNREACHABLE,
    2366             :     .hint = gettext_noop ("The Anastasis provider could not be reached."),
    2367             :     .http_code = MHD_HTTP_UNINITIALIZED
    2368             :   },
    2369             : 
    2370             :   {
    2371             :     .ec = TALER_EC_ANASTASIS_PAYMENT_GENERIC_TIMEOUT,
    2372             :     .hint = gettext_noop ("HTTP server experienced a timeout while awaiting promised payment."),
    2373             :     .http_code = MHD_HTTP_REQUEST_TIMEOUT
    2374             :   },
    2375             : 
    2376             :   {
    2377             :     .ec = TALER_EC_ANASTASIS_TRUTH_UNKNOWN,
    2378             :     .hint = gettext_noop ("The key share is unknown to the provider."),
    2379             :     .http_code = MHD_HTTP_NOT_FOUND
    2380             :   },
    2381             : 
    2382             :   {
    2383             :     .ec = TALER_EC_ANASTASIS_TRUTH_AUTHORIZATION_METHOD_NO_LONGER_SUPPORTED,
    2384             :     .hint = gettext_noop ("The authorization method used for the key share is no longer supported by the provider."),
    2385             :     .http_code = MHD_HTTP_INTERNAL_SERVER_ERROR
    2386             :   },
    2387             : 
    2388             :   {
    2389             :     .ec = TALER_EC_ANASTASIS_TRUTH_CHALLENGE_RESPONSE_REQUIRED,
    2390             :     .hint = gettext_noop ("The client needs to respond to the challenge."),
    2391             :     .http_code = MHD_HTTP_FORBIDDEN
    2392             :   },
    2393             : 
    2394             :   {
    2395             :     .ec = TALER_EC_ANASTASIS_TRUTH_CHALLENGE_FAILED,
    2396             :     .hint = gettext_noop ("The client's response to the challenge was invalid."),
    2397             :     .http_code = MHD_HTTP_FORBIDDEN
    2398             :   },
    2399             : 
    2400             :   {
    2401             :     .ec = TALER_EC_ANASTASIS_TRUTH_CHALLENGE_UNKNOWN,
    2402             :     .hint = gettext_noop ("The backend is not aware of having issued the provided challenge code. Either this is the wrong code, or it has expired."),
    2403             :     .http_code = MHD_HTTP_NOT_FOUND
    2404             :   },
    2405             : 
    2406             :   {
    2407             :     .ec = TALER_EC_ANASTASIS_TRUTH_AUTHORIZATION_START_FAILED,
    2408             :     .hint = gettext_noop ("The backend failed to initiate the authorization process."),
    2409             :     .http_code = MHD_HTTP_INTERNAL_SERVER_ERROR
    2410             :   },
    2411             : 
    2412             :   {
    2413             :     .ec = TALER_EC_ANASTASIS_TRUTH_KEY_SHARE_GONE,
    2414             :     .hint = gettext_noop ("The authorization succeeded, but the key share is no longer available."),
    2415             :     .http_code = MHD_HTTP_NOT_FOUND
    2416             :   },
    2417             : 
    2418             :   {
    2419             :     .ec = TALER_EC_ANASTASIS_TRUTH_ORDER_DISAPPEARED,
    2420             :     .hint = gettext_noop ("The backend forgot the order we asked the client to pay for"),
    2421             :     .http_code = MHD_HTTP_BAD_GATEWAY
    2422             :   },
    2423             : 
    2424             :   {
    2425             :     .ec = TALER_EC_ANASTASIS_TRUTH_BACKEND_EXCHANGE_BAD,
    2426             :     .hint = gettext_noop ("The backend itself reported a bad exchange interaction."),
    2427             :     .http_code = MHD_HTTP_BAD_GATEWAY
    2428             :   },
    2429             : 
    2430             :   {
    2431             :     .ec = TALER_EC_ANASTASIS_TRUTH_UNEXPECTED_PAYMENT_STATUS,
    2432             :     .hint = gettext_noop ("The backend reported a payment status we did not expect."),
    2433             :     .http_code = MHD_HTTP_INTERNAL_SERVER_ERROR
    2434             :   },
    2435             : 
    2436             :   {
    2437             :     .ec = TALER_EC_ANASTASIS_TRUTH_PAYMENT_CREATE_BACKEND_ERROR,
    2438             :     .hint = gettext_noop ("The backend failed to setup the order for payment."),
    2439             :     .http_code = MHD_HTTP_BAD_GATEWAY
    2440             :   },
    2441             : 
    2442             :   {
    2443             :     .ec = TALER_EC_ANASTASIS_TRUTH_DECRYPTION_FAILED,
    2444             :     .hint = gettext_noop ("The decryption of the key share failed with the provided key."),
    2445             :     .http_code = MHD_HTTP_BAD_REQUEST
    2446             :   },
    2447             : 
    2448             :   {
    2449             :     .ec = TALER_EC_ANASTASIS_TRUTH_RATE_LIMITED,
    2450             :     .hint = gettext_noop ("The request rate is too high. The server is refusing requests to guard against brute-force attacks."),
    2451             :     .http_code = MHD_HTTP_TOO_MANY_REQUESTS
    2452             :   },
    2453             : 
    2454             :   {
    2455             :     .ec = TALER_EC_ANASTASIS_TRUTH_CHALLENGE_WRONG_METHOD,
    2456             :     .hint = gettext_noop ("A request to issue a challenge is not valid for this authentication method."),
    2457             :     .http_code = MHD_HTTP_BAD_REQUEST
    2458             :   },
    2459             : 
    2460             :   {
    2461             :     .ec = TALER_EC_ANASTASIS_TRUTH_UPLOAD_UUID_EXISTS,
    2462             :     .hint = gettext_noop ("The backend failed to store the key share because the UUID is already in use."),
    2463             :     .http_code = MHD_HTTP_CONFLICT
    2464             :   },
    2465             : 
    2466             :   {
    2467             :     .ec = TALER_EC_ANASTASIS_TRUTH_UPLOAD_METHOD_NOT_SUPPORTED,
    2468             :     .hint = gettext_noop ("The backend failed to store the key share because the authorization method is not supported."),
    2469             :     .http_code = MHD_HTTP_BAD_REQUEST
    2470             :   },
    2471             : 
    2472             :   {
    2473             :     .ec = TALER_EC_ANASTASIS_SMS_PHONE_INVALID,
    2474             :     .hint = gettext_noop ("The provided phone number is not an acceptable number."),
    2475             :     .http_code = MHD_HTTP_CONFLICT
    2476             :   },
    2477             : 
    2478             :   {
    2479             :     .ec = TALER_EC_ANASTASIS_SMS_HELPER_EXEC_FAILED,
    2480             :     .hint = gettext_noop ("Failed to run the SMS transmission helper process."),
    2481             :     .http_code = MHD_HTTP_INTERNAL_SERVER_ERROR
    2482             :   },
    2483             : 
    2484             :   {
    2485             :     .ec = TALER_EC_ANASTASIS_SMS_HELPER_COMMAND_FAILED,
    2486             :     .hint = gettext_noop ("Provider failed to send SMS. Helper terminated with a non-successful result."),
    2487             :     .http_code = MHD_HTTP_INTERNAL_SERVER_ERROR
    2488             :   },
    2489             : 
    2490             :   {
    2491             :     .ec = TALER_EC_ANASTASIS_EMAIL_INVALID,
    2492             :     .hint = gettext_noop ("The provided email address is not an acceptable address."),
    2493             :     .http_code = MHD_HTTP_CONFLICT
    2494             :   },
    2495             : 
    2496             :   {
    2497             :     .ec = TALER_EC_ANASTASIS_EMAIL_HELPER_EXEC_FAILED,
    2498             :     .hint = gettext_noop ("Failed to run the E-mail transmission helper process."),
    2499             :     .http_code = MHD_HTTP_INTERNAL_SERVER_ERROR
    2500             :   },
    2501             : 
    2502             :   {
    2503             :     .ec = TALER_EC_ANASTASIS_EMAIL_HELPER_COMMAND_FAILED,
    2504             :     .hint = gettext_noop ("Provider failed to send E-mail. Helper terminated with a non-successful result."),
    2505             :     .http_code = MHD_HTTP_INTERNAL_SERVER_ERROR
    2506             :   },
    2507             : 
    2508             :   {
    2509             :     .ec = TALER_EC_ANASTASIS_POST_INVALID,
    2510             :     .hint = gettext_noop ("The provided postal address is not an acceptable address."),
    2511             :     .http_code = MHD_HTTP_CONFLICT
    2512             :   },
    2513             : 
    2514             :   {
    2515             :     .ec = TALER_EC_ANASTASIS_POST_HELPER_EXEC_FAILED,
    2516             :     .hint = gettext_noop ("Failed to run the mail transmission helper process."),
    2517             :     .http_code = MHD_HTTP_INTERNAL_SERVER_ERROR
    2518             :   },
    2519             : 
    2520             :   {
    2521             :     .ec = TALER_EC_ANASTASIS_POST_HELPER_COMMAND_FAILED,
    2522             :     .hint = gettext_noop ("Provider failed to send mail. Helper terminated with a non-successful result."),
    2523             :     .http_code = MHD_HTTP_INTERNAL_SERVER_ERROR
    2524             :   },
    2525             : 
    2526             :   {
    2527             :     .ec = TALER_EC_ANASTASIS_IBAN_INVALID,
    2528             :     .hint = gettext_noop ("The provided IBAN address is not an acceptable IBAN."),
    2529             :     .http_code = MHD_HTTP_CONFLICT
    2530             :   },
    2531             : 
    2532             :   {
    2533             :     .ec = TALER_EC_ANASTASIS_IBAN_MISSING_TRANSFER,
    2534             :     .hint = gettext_noop ("The provider has not yet received the IBAN wire transfer authorizing the disclosure of the key share."),
    2535             :     .http_code = MHD_HTTP_FORBIDDEN
    2536             :   },
    2537             : 
    2538             :   {
    2539             :     .ec = TALER_EC_ANASTASIS_TOTP_KEY_MISSING,
    2540             :     .hint = gettext_noop ("The backend did not find a TOTP key in the data provided."),
    2541             :     .http_code = MHD_HTTP_CONFLICT
    2542             :   },
    2543             : 
    2544             :   {
    2545             :     .ec = TALER_EC_ANASTASIS_TOTP_KEY_INVALID,
    2546             :     .hint = gettext_noop ("The key provided does not satisfy the format restrictions for an Anastasis TOTP key."),
    2547             :     .http_code = MHD_HTTP_CONFLICT
    2548             :   },
    2549             : 
    2550             :   {
    2551             :     .ec = TALER_EC_ANASTASIS_POLICY_BAD_IF_NONE_MATCH,
    2552             :     .hint = gettext_noop ("The given if-none-match header is malformed."),
    2553             :     .http_code = MHD_HTTP_BAD_REQUEST
    2554             :   },
    2555             : 
    2556             :   {
    2557             :     .ec = TALER_EC_ANASTASIS_POLICY_OUT_OF_MEMORY_ON_CONTENT_LENGTH,
    2558             :     .hint = gettext_noop ("The server is out of memory to handle the upload. Trying again later may succeed."),
    2559             :     .http_code = MHD_HTTP_PAYLOAD_TOO_LARGE
    2560             :   },
    2561             : 
    2562             :   {
    2563             :     .ec = TALER_EC_ANASTASIS_POLICY_BAD_SIGNATURE,
    2564             :     .hint = gettext_noop ("The signature provided in the \"Anastasis-Policy-Signature\" header is malformed or missing."),
    2565             :     .http_code = MHD_HTTP_BAD_REQUEST
    2566             :   },
    2567             : 
    2568             :   {
    2569             :     .ec = TALER_EC_ANASTASIS_POLICY_BAD_IF_MATCH,
    2570             :     .hint = gettext_noop ("The given if-match header is malformed."),
    2571             :     .http_code = MHD_HTTP_BAD_REQUEST
    2572             :   },
    2573             : 
    2574             :   {
    2575             :     .ec = TALER_EC_ANASTASIS_POLICY_INVALID_UPLOAD,
    2576             :     .hint = gettext_noop ("The uploaded data does not match the Etag."),
    2577             :     .http_code = MHD_HTTP_BAD_REQUEST
    2578             :   },
    2579             : 
    2580             :   {
    2581             :     .ec = TALER_EC_ANASTASIS_POLICY_NOT_FOUND,
    2582             :     .hint = gettext_noop ("The provider is unaware of the requested policy."),
    2583             :     .http_code = MHD_HTTP_NOT_FOUND
    2584             :   },
    2585             : 
    2586             :   {
    2587             :     .ec = TALER_EC_ANASTASIS_REDUCER_ACTION_INVALID,
    2588             :     .hint = gettext_noop ("The given action is invalid for the current state of the reducer."),
    2589             :     .http_code = MHD_HTTP_UNINITIALIZED
    2590             :   },
    2591             : 
    2592             :   {
    2593             :     .ec = TALER_EC_ANASTASIS_REDUCER_STATE_INVALID,
    2594             :     .hint = gettext_noop ("The given state of the reducer is invalid."),
    2595             :     .http_code = MHD_HTTP_UNINITIALIZED
    2596             :   },
    2597             : 
    2598             :   {
    2599             :     .ec = TALER_EC_ANASTASIS_REDUCER_INPUT_INVALID,
    2600             :     .hint = gettext_noop ("The given input to the reducer is invalid."),
    2601             :     .http_code = MHD_HTTP_UNINITIALIZED
    2602             :   },
    2603             : 
    2604             :   {
    2605             :     .ec = TALER_EC_ANASTASIS_REDUCER_AUTHENTICATION_METHOD_NOT_SUPPORTED,
    2606             :     .hint = gettext_noop ("The selected authentication method does not work for the Anastasis provider."),
    2607             :     .http_code = MHD_HTTP_UNINITIALIZED
    2608             :   },
    2609             : 
    2610             :   {
    2611             :     .ec = TALER_EC_ANASTASIS_REDUCER_INPUT_INVALID_FOR_STATE,
    2612             :     .hint = gettext_noop ("The given input and action do not work for the current state."),
    2613             :     .http_code = MHD_HTTP_UNINITIALIZED
    2614             :   },
    2615             : 
    2616             :   {
    2617             :     .ec = TALER_EC_ANASTASIS_REDUCER_BACKEND_FAILURE,
    2618             :     .hint = gettext_noop ("We experienced an unexpected failure interacting with the backend."),
    2619             :     .http_code = MHD_HTTP_UNINITIALIZED
    2620             :   },
    2621             : 
    2622             :   {
    2623             :     .ec = TALER_EC_ANASTASIS_REDUCER_RESOURCE_MALFORMED,
    2624             :     .hint = gettext_noop ("The contents of a resource file did not match our expectations."),
    2625             :     .http_code = MHD_HTTP_UNINITIALIZED
    2626             :   },
    2627             : 
    2628             :   {
    2629             :     .ec = TALER_EC_ANASTASIS_REDUCER_RESOURCE_MISSING,
    2630             :     .hint = gettext_noop ("A required resource file is missing."),
    2631             :     .http_code = MHD_HTTP_UNINITIALIZED
    2632             :   },
    2633             : 
    2634             :   {
    2635             :     .ec = TALER_EC_ANASTASIS_REDUCER_INPUT_REGEX_FAILED,
    2636             :     .hint = gettext_noop ("An input did not match the regular expression."),
    2637             :     .http_code = MHD_HTTP_UNINITIALIZED
    2638             :   },
    2639             : 
    2640             :   {
    2641             :     .ec = TALER_EC_ANASTASIS_REDUCER_INPUT_VALIDATION_FAILED,
    2642             :     .hint = gettext_noop ("An input did not match the custom validation logic."),
    2643             :     .http_code = MHD_HTTP_UNINITIALIZED
    2644             :   },
    2645             : 
    2646             :   {
    2647             :     .ec = TALER_EC_ANASTASIS_REDUCER_POLICY_LOOKUP_FAILED,
    2648             :     .hint = gettext_noop ("Our attempts to download the recovery document failed with all providers. Most likely the personal information you entered differs from the information you provided during the backup process and you should go back to the previous step. Alternatively, if you used a backup provider that is unknown to this application, you should add that provider manually."),
    2649             :     .http_code = MHD_HTTP_UNINITIALIZED
    2650             :   },
    2651             : 
    2652             :   {
    2653             :     .ec = TALER_EC_ANASTASIS_REDUCER_BACKUP_PROVIDER_FAILED,
    2654             :     .hint = gettext_noop ("Anastasis provider reported a fatal failure."),
    2655             :     .http_code = MHD_HTTP_UNINITIALIZED
    2656             :   },
    2657             : 
    2658             :   {
    2659             :     .ec = TALER_EC_ANASTASIS_REDUCER_PROVIDER_CONFIG_FAILED,
    2660             :     .hint = gettext_noop ("Anastasis provider failed to respond to the configuration request."),
    2661             :     .http_code = MHD_HTTP_UNINITIALIZED
    2662             :   },
    2663             : 
    2664             :   {
    2665             :     .ec = TALER_EC_ANASTASIS_REDUCER_POLICY_MALFORMED,
    2666             :     .hint = gettext_noop ("The policy we downloaded is malformed. Must have been a client error while creating the backup."),
    2667             :     .http_code = MHD_HTTP_UNINITIALIZED
    2668             :   },
    2669             : 
    2670             :   {
    2671             :     .ec = TALER_EC_ANASTASIS_REDUCER_NETWORK_FAILED,
    2672             :     .hint = gettext_noop ("We failed to obtain the policy, likely due to a network issue."),
    2673             :     .http_code = MHD_HTTP_UNINITIALIZED
    2674             :   },
    2675             : 
    2676             :   {
    2677             :     .ec = TALER_EC_ANASTASIS_REDUCER_SECRET_MALFORMED,
    2678             :     .hint = gettext_noop ("The recovered secret did not match the required syntax."),
    2679             :     .http_code = MHD_HTTP_UNINITIALIZED
    2680             :   },
    2681             : 
    2682             :   {
    2683             :     .ec = TALER_EC_ANASTASIS_REDUCER_CHALLENGE_DATA_TOO_BIG,
    2684             :     .hint = gettext_noop ("The challenge data provided is too large for the available providers."),
    2685             :     .http_code = MHD_HTTP_UNINITIALIZED
    2686             :   },
    2687             : 
    2688             :   {
    2689             :     .ec = TALER_EC_ANASTASIS_REDUCER_SECRET_TOO_BIG,
    2690             :     .hint = gettext_noop ("The provided core secret is too large for some of the providers."),
    2691             :     .http_code = MHD_HTTP_UNINITIALIZED
    2692             :   },
    2693             : 
    2694             :   {
    2695             :     .ec = TALER_EC_ANASTASIS_REDUCER_PROVIDER_INVALID_CONFIG,
    2696             :     .hint = gettext_noop ("The provider returned in invalid configuration."),
    2697             :     .http_code = MHD_HTTP_UNINITIALIZED
    2698             :   },
    2699             : 
    2700             :   {
    2701             :     .ec = TALER_EC_ANASTASIS_REDUCER_INTERNAL_ERROR,
    2702             :     .hint = gettext_noop ("The reducer encountered an internal error, likely a bug that needs to be reported."),
    2703             :     .http_code = MHD_HTTP_UNINITIALIZED
    2704             :   },
    2705             : 
    2706             :   {
    2707             :     .ec = TALER_EC_ANASTASIS_REDUCER_PROVIDERS_ALREADY_SYNCED,
    2708             :     .hint = gettext_noop ("The reducer already synchronized with all providers."),
    2709             :     .http_code = MHD_HTTP_UNINITIALIZED
    2710             :   },
    2711             : 
    2712             :   {
    2713             :     .ec = TALER_EC_LIBEUFIN_NEXUS_GENERIC_ERROR,
    2714             :     .hint = gettext_noop ("A generic error happened in the LibEuFin nexus.  See the enclose details JSON for more information."),
    2715             :     .http_code = MHD_HTTP_UNINITIALIZED
    2716             :   },
    2717             : 
    2718             :   {
    2719             :     .ec = TALER_EC_LIBEUFIN_NEXUS_UNCAUGHT_EXCEPTION,
    2720             :     .hint = gettext_noop ("An uncaught exception happened in the LibEuFin nexus service."),
    2721             :     .http_code = MHD_HTTP_INTERNAL_SERVER_ERROR
    2722             :   },
    2723             : 
    2724             :   {
    2725             :     .ec = TALER_EC_LIBEUFIN_SANDBOX_GENERIC_ERROR,
    2726             :     .hint = gettext_noop ("A generic error happened in the LibEuFin sandbox.  See the enclose details JSON for more information."),
    2727             :     .http_code = MHD_HTTP_UNINITIALIZED
    2728             :   },
    2729             : 
    2730             :   {
    2731             :     .ec = TALER_EC_LIBEUFIN_SANDBOX_UNCAUGHT_EXCEPTION,
    2732             :     .hint = gettext_noop ("An uncaught exception happened in the LibEuFin sandbox service."),
    2733             :     .http_code = MHD_HTTP_INTERNAL_SERVER_ERROR
    2734             :   },
    2735             : 
    2736             :   {
    2737             :     .ec = TALER_EC_TALDIR_METHOD_NOT_SUPPORTED,
    2738             :     .hint = gettext_noop ("This validation method is not supported by the service."),
    2739             :     .http_code = MHD_HTTP_NOT_FOUND
    2740             :   },
    2741             : 
    2742             :   {
    2743             :     .ec = TALER_EC_TALDIR_REGISTER_RATE_LIMITED,
    2744             :     .hint = gettext_noop ("Number of allowed attempts for initiating a challenge exceeded."),
    2745             :     .http_code = MHD_HTTP_TOO_MANY_REQUESTS
    2746             :   },
    2747             : 
    2748             :   {
    2749             :     .ec = TALER_EC_END,
    2750             :     .hint = gettext_noop ("End of error code range."),
    2751             :     .http_code = MHD_HTTP_UNINITIALIZED
    2752             :   },
    2753             : 
    2754             : 
    2755             : };
    2756             : 
    2757             : 
    2758             : /**
    2759             :  * The length of @e code_hint_pairs.
    2760             :  */
    2761             : static const unsigned int code_hint_pairs_length = 449;
    2762             : 
    2763             : 
    2764             : 
    2765             : const char *
    2766           2 : TALER_ErrorCode_get_hint (enum TALER_ErrorCode ec)
    2767             : {
    2768           2 :   unsigned int lower = 0;
    2769           2 :   unsigned int upper = code_hint_pairs_length - 1;
    2770           2 :   unsigned int mid = upper / 2;
    2771          17 :   while (lower <= upper)
    2772             :   {
    2773          17 :     mid = (upper + lower) / 2;
    2774          17 :     if (code_hint_pairs[mid].ec < ec)
    2775             :     {
    2776          12 :       lower = mid + 1;
    2777             :     }
    2778           5 :     else if (code_hint_pairs[mid].ec > ec)
    2779             :     {
    2780           3 :       upper = mid - 1;
    2781             :     }
    2782             :     else
    2783             :     {
    2784           2 :       return code_hint_pairs[mid].hint;
    2785             :     }
    2786             :   }
    2787           0 :   return "<no hint found>";
    2788             : }
    2789             : 
    2790             : 
    2791             : unsigned int
    2792           0 : TALER_ErrorCode_get_http_status (enum TALER_ErrorCode ec)
    2793             : {
    2794           0 :   unsigned int lower = 0;
    2795           0 :   unsigned int upper = code_hint_pairs_length - 1;
    2796           0 :   unsigned int mid = upper / 2;
    2797           0 :   while (lower <= upper)
    2798             :   {
    2799           0 :     mid = (upper + lower) / 2;
    2800           0 :     if (code_hint_pairs[mid].ec < ec)
    2801             :     {
    2802           0 :       lower = mid + 1;
    2803             :     }
    2804           0 :     else if (code_hint_pairs[mid].ec > ec)
    2805             :     {
    2806           0 :       upper = mid - 1;
    2807             :     }
    2808             :     else
    2809             :     {
    2810           0 :       return code_hint_pairs[mid].http_code;
    2811             :     }
    2812             :   }
    2813           0 :   return UINT_MAX;
    2814             : }
    2815             : 
    2816             : 
    2817             : unsigned int
    2818           0 : TALER_ErrorCode_get_http_status_safe (enum TALER_ErrorCode ec)
    2819             : {
    2820             :   unsigned int hc;
    2821             : 
    2822           0 :   hc = TALER_ErrorCode_get_http_status (ec);
    2823           0 :   if ( (0 == hc) ||
    2824             :        (UINT_MAX == hc) )
    2825           0 :     return MHD_HTTP_INTERNAL_SERVER_ERROR;
    2826           0 :   return hc;
    2827             : }

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