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-rw-r--r--src/include/taler_auditordb_plugin.h171
-rw-r--r--src/include/taler_error_codes.h1089
-rw-r--r--src/include/taler_exchange_service.h25
-rw-r--r--src/include/taler_json_lib.h12
-rw-r--r--src/include/taler_util.h2
5 files changed, 1292 insertions, 7 deletions
diff --git a/src/include/taler_auditordb_plugin.h b/src/include/taler_auditordb_plugin.h
index cc75fb014..c27295a08 100644
--- a/src/include/taler_auditordb_plugin.h
+++ b/src/include/taler_auditordb_plugin.h
@@ -29,6 +29,90 @@
/**
+ * Function called with the results of select_denomination_info()
+ *
+ * @param cls closure
+ * @param issue issuing information with value, fees and other info about the denomination.
+ *
+ * @return sets the return value of select_denomination_info(),
+ * #GNUNET_OK to continue,
+ * #GNUNET_NO to stop processing further rows
+ * #GNUNET_SYSERR or other values on error.
+ */
+typedef int
+(*TALER_AUDITORDB_DenominationInfoDataCallback)(void *cls,
+ const struct TALER_DenominationKeyValidityPS *issue);
+
+
+/**
+ * Function called with the results of select_historic_denom_revenue()
+ *
+ * @param cls closure
+ * @param denom_pub_hash hash of the denomination key
+ * @param revenue_timestamp when did this profit get realized
+ * @param revenue_balance what was the total profit made from
+ * deposit fees, melting fees, refresh fees
+ * and coins that were never returned?
+ * @param deposit_fee_balance total profits from deposit fees
+ * @param melt_fee_balance total profits from melting fees
+ * @param refund_fee_balance total profits from refund fees
+ *
+ * @return sets the return value of select_denomination_info(),
+ * #GNUNET_OK to continue,
+ * #GNUNET_NO to stop processing further rows
+ * #GNUNET_SYSERR or other values on error.
+ */
+typedef int
+(*TALER_AUDITORDB_HistoricDenominationRevenueDataCallback)(void *cls,
+ const struct GNUNET_HashCode *denom_pub_hash,
+ struct GNUNET_TIME_Absolute revenue_timestamp,
+ const struct TALER_Amount *revenue_balance,
+ const struct TALER_Amount *deposit_fee_balance,
+ const struct TALER_Amount *melt_fee_balance,
+ const struct TALER_Amount *refund_fee_balance);
+
+
+/**
+ * Function called with the results of select_historic_losses()
+ *
+ * @param cls closure
+ * @param denom_pub_hash hash of the denomination key
+ * @param loss_timestamp when did this profit get realized
+ * @param loss_balance what was the total loss
+ *
+ * @return sets the return value of select_denomination_info(),
+ * #GNUNET_OK to continue,
+ * #GNUNET_NO to stop processing further rows
+ * #GNUNET_SYSERR or other values on error.
+ */
+typedef int
+(*TALER_AUDITORDB_HistoricLossesDataCallback)(void *cls,
+ const struct GNUNET_HashCode *denom_pub_hash,
+ struct GNUNET_TIME_Absolute loss_timestamp,
+ const struct TALER_Amount *loss_balance);
+
+
+/**
+ * Function called with the results of select_historic_reserve_revenue()
+ *
+ * @param cls closure
+ * @param start_time beginning of aggregated time interval
+ * @param end_time end of aggregated time interval
+ * @param reserve_profits total profits made
+ *
+ * @return sets the return value of select_denomination_info(),
+ * #GNUNET_OK to continue,
+ * #GNUNET_NO to stop processing further rows
+ * #GNUNET_SYSERR or other values on error.
+ */
+typedef int
+(*TALER_AUDITORDB_HistoricReserveRevenueDataCallback)(void *cls,
+ struct GNUNET_TIME_Absolute start_time,
+ struct GNUNET_TIME_Absolute end_time,
+ const struct TALER_Amount *reserve_profits);
+
+
+/**
* Handle for one session with the database.
*/
struct TALER_AUDITORDB_Session;
@@ -164,11 +248,89 @@ struct TALER_AUDITORDB_Plugin
(*select_denomination_info)(void *cls,
struct TALER_AUDITORDB_Session *session,
const struct TALER_MasterPublicKeyP *master_pub,
- void *cb, /* FIXME: type! */
+ TALER_AUDITORDB_DenominationInfoDataCallback cb,
void *cb_cls);
/**
+ * Insert information about the auditor's progress with an exchange's
+ * data.
+ *
+ * @param cls the @e cls of this struct with the plugin-specific state
+ * @param session connection to use
+ * @param master_pub master key of the exchange
+ * @param last_reserve_in_serial_id serial ID of the last reserve_in transfer the auditor processed
+ * @param last_reserve_out_serial_id serial ID of the last withdraw the auditor processed
+ * @param last_deposit_serial_id serial ID of the last deposit the auditor processed
+ * @param last_melt_serial_id serial ID of the last refresh the auditor processed
+ * @param last_prewire_serial_id serial ID of the last prewire transfer the auditor processed
+ * @return #GNUNET_OK on success; #GNUNET_SYSERR on failure
+ */
+ int
+ (*insert_auditor_progress)(void *cls,
+ struct TALER_AUDITORDB_Session *session,
+ const struct TALER_MasterPublicKeyP *master_pub,
+ uint64_t last_reserve_in_serial_id,
+ uint64_t last_reserve_out_serial_id,
+ uint64_t last_deposit_serial_id,
+ uint64_t last_melt_serial_id,
+ uint64_t last_refund_serial_id,
+ uint64_t last_prewire_serial_id);
+
+
+ /**
+ * Update information about the progress of the auditor. There
+ * must be an existing record for the exchange.
+ *
+ * @param cls the @e cls of this struct with the plugin-specific state
+ * @param session connection to use
+ * @param master_pub master key of the exchange
+ * @param last_reserve_in_serial_id serial ID of the last reserve_in transfer the auditor processed
+ * @param last_reserve_out_serial_id serial ID of the last withdraw the auditor processed
+ * @param last_deposit_serial_id serial ID of the last deposit the auditor processed
+ * @param last_melt_serial_id serial ID of the last refresh the auditor processed
+ * @param last_prewire_serial_id serial ID of the last prewire transfer the auditor processed
+ * @return #GNUNET_OK on success; #GNUNET_SYSERR on failure
+ */
+ int
+ (*update_auditor_progress)(void *cls,
+ struct TALER_AUDITORDB_Session *session,
+ const struct TALER_MasterPublicKeyP *master_pub,
+ uint64_t last_reserve_in_serial_id,
+ uint64_t last_reserve_out_serial_id,
+ uint64_t last_deposit_serial_id,
+ uint64_t last_melt_serial_id,
+ uint64_t last_refund_serial_id,
+ uint64_t last_prewire_serial_id);
+
+
+ /**
+ * Get information about the progress of the auditor.
+ *
+ * @param cls the @e cls of this struct with the plugin-specific state
+ * @param session connection to use
+ * @param master_pub master key of the exchange
+ * @param[out] last_reserve_in_serial_id serial ID of the last reserve_in transfer the auditor processed
+ * @param[out] last_reserve_out_serial_id serial ID of the last withdraw the auditor processed
+ * @param[out] last_deposit_serial_id serial ID of the last deposit the auditor processed
+ * @param[out] last_melt_serial_id serial ID of the last refresh the auditor processed
+ * @param[out] last_prewire_serial_id serial ID of the last prewire transfer the auditor processed
+ * @return #GNUNET_OK on success; #GNUNET_SYSERR on failure;
+ * #GNUNET_NO if we have no records for the @a master_pub
+ */
+ int
+ (*get_auditor_progress)(void *cls,
+ struct TALER_AUDITORDB_Session *session,
+ const struct TALER_MasterPublicKeyP *master_pub,
+ uint64_t *last_reserve_in_serial_id,
+ uint64_t *last_reserve_out_serial_id,
+ uint64_t *last_deposit_serial_id,
+ uint64_t *last_melt_serial_id,
+ uint64_t *last_refund_serial_id,
+ uint64_t *last_prewire_serial_id);
+
+
+ /**
* Insert information about a reserve. There must not be an
* existing record for the reserve.
*
@@ -586,7 +748,7 @@ struct TALER_AUDITORDB_Plugin
(*select_historic_denom_revenue)(void *cls,
struct TALER_AUDITORDB_Session *session,
const struct TALER_MasterPublicKeyP *master_pub,
- void *cb, /* FIXME: fix type */
+ TALER_AUDITORDB_HistoricDenominationRevenueDataCallback cb,
void *cb_cls);
@@ -628,7 +790,7 @@ struct TALER_AUDITORDB_Plugin
(*select_historic_losses)(void *cls,
struct TALER_AUDITORDB_Session *session,
const struct TALER_MasterPublicKeyP *master_pub,
- void *cb, /* FIXME: fix type */
+ TALER_AUDITORDB_HistoricLossesDataCallback cb,
void *cb_cls);
@@ -666,7 +828,7 @@ struct TALER_AUDITORDB_Plugin
(*select_historic_reserve_revenue)(void *cls,
struct TALER_AUDITORDB_Session *session,
const struct TALER_MasterPublicKeyP *master_pub,
- void *cb, /* FIXME: type */
+ TALER_AUDITORDB_HistoricReserveRevenueDataCallback cb,
void *cb_cls);
@@ -721,6 +883,7 @@ struct TALER_AUDITORDB_Plugin
const struct TALER_MasterPublicKeyP *master_pub,
struct TALER_Amount *balance);
+
};
diff --git a/src/include/taler_error_codes.h b/src/include/taler_error_codes.h
index bbb300440..6da76a122 100644
--- a/src/include/taler_error_codes.h
+++ b/src/include/taler_error_codes.h
@@ -33,12 +33,1097 @@ enum TALER_ErrorCode
{
/**
- * Special code to indicate no error.
+ * Special code to indicate no error (or no "code" present).
*/
- TALER_EC_NONE = 0
+ TALER_EC_NONE = 0,
+ /**
+ * Special code to indicate that a non-integer error code was
+ * returned in the JSON response.
+ */
+ TALER_EC_INVALID = 1,
+
+ /**
+ * The response we got from the server was not even in JSON format.
+ */
+ TALER_EC_INVALID_RESPONSE = 2,
+
+
+ /* ********** generic error codes ************* */
+
+ /**
+ * The exchange failed to even just initialize its connection to the
+ * database.
+ * This response is provided with HTTP status code
+ * MHD_HTTP_INTERNAL_SERVER_ERROR.
+ */
+ TALER_EC_DB_SETUP_FAILED = 1001,
+
+ /**
+ * The exchange encountered an error event to just start
+ * the database transaction.
+ * This response is provided with HTTP status code
+ * MHD_HTTP_INTERNAL_SERVER_ERROR.
+ */
+ TALER_EC_DB_START_FAILED = 1002,
+
+ /**
+ * The exchange encountered an error event to commit
+ * the database transaction (hard, unrecoverable error).
+ * This response is provided with HTTP status code
+ * MHD_HTTP_INTERNAL_SERVER_ERROR.
+ */
+ TALER_EC_DB_COMMIT_FAILED_HARD = 1003,
+
+ /**
+ * The exchange 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.)
+ * This response is provided with HTTP status code
+ * MHD_HTTP_INTERNAL_SERVER_ERROR.
+ */
+ TALER_EC_DB_COMMIT_FAILED_ON_RETRY = 1004,
+ /**
+ * The exchange had insufficient memory to parse the request. This
+ * response is provided with HTTP status code
+ * MHD_HTTP_INTERNAL_SERVER_ERROR.
+ */
+ TALER_EC_PARSER_OUT_OF_MEMORY = 1005,
+
+ /**
+ * The JSON in the client's request to the exchange was malformed.
+ * (Generic parse error).
+ * This response is provided with HTTP status code
+ * MHD_HTTP_BAD_REQUEST.
+ */
+ TALER_EC_JSON_INVALID = 1006,
+
+ /**
+ * The JSON in the client's request to the exchange was malformed.
+ * Details about the location of the parse error are provided.
+ * This response is provided with HTTP status code
+ * MHD_HTTP_BAD_REQUEST.
+ */
+ TALER_EC_JSON_INVALID_WITH_DETAILS = 1007,
+
+ /**
+ * A required parameter in the request to the exchange was missing.
+ * This response is provided with HTTP status code
+ * MHD_HTTP_BAD_REQUEST.
+ */
+ TALER_EC_PARAMETER_MISSING = 1008,
+
+ /**
+ * A parameter in the request to the exchange was malformed.
+ * This response is provided with HTTP status code
+ * MHD_HTTP_BAD_REQUEST.
+ */
+ TALER_EC_PARAMETER_MALFORMED = 1009,
+
+ /* ********** request-specific error codes ************* */
+
+ /**
+ * 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. This response is provided
+ * with HTTP status code MHD_HTTP_FORBIDDEN.
+ */
+ TALER_EC_WITHDRAW_INSUFFICIENT_FUNDS = 1100,
+
+ /**
+ * The exchange has no information about the "reserve_pub" that
+ * was given.
+ * This response is provided with HTTP status code MHD_HTTP_NOT_FOUND.
+ */
+ TALER_EC_WITHDRAW_RESERVE_UNKNOWN = 1101,
+
+ /**
+ * 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.
+ * This response is provided with HTTP status code MHD_HTTP_INTERNAL_ERROR.
+ */
+ TALER_EC_WITHDRAW_AMOUNT_FEE_OVERFLOW = 1102,
+
+ /**
+ * All of the deposited amounts into this reserve total up to a
+ * value that is too big for the numeric range for Taler amounts.
+ * This is not a client failure, as the transaction history comes
+ * from the exchange's configuration. This response is provided
+ * with HTTP status code MHD_HTTP_INTERNAL_ERROR.
+ */
+ TALER_EC_WITHDRAW_AMOUNT_DEPOSITS_OVERFLOW = 1103,
+
+ /**
+ * For one of the historic withdrawals from this reserve, the
+ * exchange could not find the denomination key.
+ * This is not a client failure, as the transaction history comes
+ * from the exchange's configuration. This response is provided
+ * with HTTP status code MHD_HTTP_INTERNAL_ERROR.
+ */
+ TALER_EC_WITHDRAW_HISTORIC_DENOMINATION_KEY_NOT_FOUND = 1104,
+
+ /**
+ * All of the withdrawals from reserve total up to a
+ * value that is too big for the numeric range for Taler amounts.
+ * This is not a client failure, as the transaction history comes
+ * from the exchange's configuration. This response is provided
+ * with HTTP status code MHD_HTTP_INTERNAL_ERROR.
+ */
+ TALER_EC_WITHDRAW_AMOUNT_WITHDRAWALS_OVERFLOW = 1105,
+
+ /**
+ * The exchange somehow knows about this reserve, but there seem to
+ * have been no wire transfers made. This is not a client failure,
+ * as this is a database consistency issue of the exchange. This
+ * response is provided with HTTP status code
+ * MHD_HTTP_INTERNAL_ERROR.
+ */
+ TALER_EC_WITHDRAW_RESERVE_WITHOUT_WIRE_TRANSFER = 1106,
+
+ /**
+ * The exchange failed to create the signature using the
+ * denomination key. This response is provided with HTTP status
+ * code MHD_HTTP_INTERNAL_ERROR.
+ */
+ TALER_EC_WITHDRAW_SIGNATURE_FAILED = 1107,
+
+ /**
+ * The exchange failed to store the withdraw operation in its
+ * database. This response is provided with HTTP status code
+ * MHD_HTTP_INTERNAL_ERROR.
+ */
+ TALER_EC_WITHDRAW_DB_STORE_ERROR = 1108,
+
+ /**
+ * The exchange failed to check against historic withdraw data from
+ * database (as part of ensuring the idempotency of the operation).
+ * This response is provided with HTTP status code
+ * MHD_HTTP_INTERNAL_ERROR.
+ */
+ TALER_EC_WITHDRAW_DB_FETCH_ERROR = 1109,
+
+ /**
+ * The exchange is not aware of the denomination key
+ * the wallet requested for the withdrawal.
+ * This response is provided
+ * with HTTP status code MHD_HTTP_NOT_FOUND.
+ */
+ TALER_EC_WITHDRAW_DENOMINATION_KEY_NOT_FOUND = 1110,
+
+ /**
+ * The signature of the reserve is not valid. This response is
+ * provided with HTTP status code MHD_HTTP_BAD_REQUEST.
+ */
+ TALER_EC_WITHDRAW_RESERVE_SIGNATURE_INVALID = 1111,
+
+ /**
+ * The exchange failed to obtain the transaction history of the
+ * given reserve from the database while generating an insufficient
+ * funds errors.
+ * This response is provided with HTTP status code
+ * MHD_HTTP_INTERNAL_SERVER_ERROR.
+ */
+ TALER_EC_WITHDRAW_HISTORY_DB_ERROR_INSUFFICIENT_FUNDS = 1112,
+
+ /**
+ * The exchange failed to obtain the transaction history of the
+ * given reserve from the database.
+ * This response is provided with HTTP status code
+ * MHD_HTTP_INTERNAL_SERVER_ERROR.
+ */
+ TALER_EC_RESERVE_STATUS_DB_ERROR = 1150,
+
+
+ /**
+ * The respective coin did not have sufficient residual value
+ * for the /deposit operation (i.e. due to double spending).
+ * The "history" in the respose provides the transaction history
+ * of the coin proving this fact. This response is provided
+ * with HTTP status code MHD_HTTP_FORBIDDEN.
+ */
+ TALER_EC_DEPOSIT_INSUFFICIENT_FUNDS = 1200,
+
+ /**
+ * The exchange failed to obtain the transaction history of the
+ * given coin from the database (this does not happen merely because
+ * the coin is seen by the exchange for the first time).
+ * This response is provided with HTTP status code
+ * MHD_HTTP_INTERNAL_SERVER_ERROR.
+ */
+ TALER_EC_DEPOSIT_HISTORY_DB_ERROR = 1201,
+
+ /**
+ * The exchange failed to store the /depost information in the
+ * database. This response is provided with HTTP status code
+ * MHD_HTTP_INTERNAL_SERVER_ERROR.
+ */
+ TALER_EC_DEPOSIT_STORE_DB_ERROR = 1202,
+
+ /**
+ * The exchange database is unaware of the denomination key that
+ * signed the coin (however, the exchange process is; this is not
+ * supposed to happen; it can happen if someone decides to purge the
+ * DB behind the back of the exchange process). Hence the deposit
+ * is being refused. This response is provided with HTTP status
+ * code MHD_HTTP_INTERNAL_SERVER_ERROR.
+ */
+ TALER_EC_DEPOSIT_DB_DENOMINATION_KEY_UNKNOWN = 1203,
+
+ /**
+ * The exchange database is unaware of the denomination key that
+ * signed the coin (however, the exchange process is; this is not
+ * supposed to happen; it can happen if someone decides to purge the
+ * DB behind the back of the exchange process). Hence the deposit
+ * is being refused. This response is provided with HTTP status
+ * code MHD_HTTP_NOT_FOUND.
+ */
+ TALER_EC_DEPOSIT_DENOMINATION_KEY_UNKNOWN = 1204,
+
+ /**
+ * The signature of the coin is not valid. This response is
+ * provided with HTTP status code MHD_HTTP_BAD_REQUEST.
+ */
+ TALER_EC_DEPOSIT_COIN_SIGNATURE_INVALID = 1205,
+
+ /**
+ * The signature of the denomination key over the coin is not valid.
+ * This response is provided with HTTP status code
+ * MHD_HTTP_BAD_REQUEST.
+ */
+ TALER_EC_DEPOSIT_DENOMINATION_SIGNATURE_INVALID = 1206,
+
+ /**
+ * The stated value of the coin after the deposit fee is subtracted
+ * would be negative.
+ * This response is provided with HTTP status code
+ * MHD_HTTP_BAD_REQUEST.
+ */
+ TALER_EC_DEPOSIT_NEGATIVE_VALUE_AFTER_FEE = 1207,
+
+ /**
+ * The stated refund deadline is after the wire deadline.
+ * This response is provided with HTTP status code
+ * MHD_HTTP_BAD_REQUEST.
+ */
+ TALER_EC_DEPOSIT_REFUND_DEADLINE_AFTER_WIRE_DEADLINE = 1208,
+
+ /**
+ * The exchange does not recognize the validity of or support the
+ * given wire (bank account) address. This response is provided
+ * with HTTP status code MHD_HTTP_BAD_REQUEST.
+ */
+ TALER_EC_DEPOSIT_INVALID_WIRE_FORMAT = 1209,
+
+ /**
+ * The exchange failed to canonicalize and hash the given wire format.
+ * This response is provided
+ * with HTTP status code MHD_HTTP_BAD_REQUEST.
+ */
+ TALER_EC_DEPOSIT_INVALID_WIRE_FORMAT_JSON = 1210,
+
+ /**
+ * The hash of the given wire address does not match the hash
+ * specified in the contract.
+ * This response is provided
+ * with HTTP status code MHD_HTTP_BAD_REQUEST.
+ */
+ TALER_EC_DEPOSIT_INVALID_WIRE_FORMAT_CONTRACT_HASH_CONFLICT = 1211,
+
+ /**
+ * The exchange failed to obtain the transaction history of the
+ * given coin from the database while generating an insufficient
+ * funds errors.
+ * This response is provided with HTTP status code
+ * MHD_HTTP_INTERNAL_SERVER_ERROR.
+ */
+ TALER_EC_DEPOSIT_HISTORY_DB_ERROR_INSUFFICIENT_FUNDS = 1212,
+
+ /**
+ * The respective coin did not have sufficient residual value
+ * for the /refresh/melt operation. The "history" in this
+ * response provdes the "residual_value" of the coin, which may
+ * be less than its "original_value". This response is provided
+ * with HTTP status code MHD_HTTP_FORBIDDEN.
+ */
+ TALER_EC_REFRESH_MELT_INSUFFICIENT_FUNDS = 1300,
+
+ /**
+ * The exchange is unaware of the denomination key that was
+ * used to sign the melted coin. This response is provided
+ * with HTTP status code MHD_HTTP_NOT_FOUND.
+ */
+ TALER_EC_REFRESH_MELT_DENOMINATION_KEY_NOT_FOUND = 1301,
+
+ /**
+ * The exchange had an internal error reconstructing the
+ * transaction history of the coin that was being melted.
+ * This response is provided with HTTP status code
+ * MHD_HTTP_INTERNAL_SERVER_ERROR.
+ */
+ TALER_EC_REFRESH_MELT_COIN_HISTORY_COMPUTATION_FAILED = 1302,
+
+ /**
+ * The exchange failed to check against historic melt data from
+ * database (as part of ensuring the idempotency of the operation).
+ * This response is provided with HTTP status code
+ * MHD_HTTP_INTERNAL_ERROR.
+ */
+ TALER_EC_REFRESH_MELT_DB_FETCH_ERROR = 1303,
+
+ /**
+ * The exchange failed to store session data in the
+ * database.
+ * This response is provided with HTTP status code
+ * MHD_HTTP_INTERNAL_ERROR.
+ */
+ TALER_EC_REFRESH_MELT_DB_STORE_SESSION_ERROR = 1304,
+
+ /**
+ * The exchange failed to store refresh order data in the
+ * database.
+ * This response is provided with HTTP status code
+ * MHD_HTTP_INTERNAL_ERROR.
+ */
+ TALER_EC_REFRESH_MELT_DB_STORE_ORDER_ERROR = 1305,
+
+ /**
+ * The exchange failed to store commit data in the
+ * database.
+ * This response is provided with HTTP status code
+ * MHD_HTTP_INTERNAL_ERROR.
+ */
+ TALER_EC_REFRESH_MELT_DB_STORE_COMMIT_ERROR = 1306,
+
+ /**
+ * The exchange failed to store transfer keys in the
+ * database.
+ * This response is provided with HTTP status code
+ * MHD_HTTP_INTERNAL_ERROR.
+ */
+ TALER_EC_REFRESH_MELT_DB_STORE_TRANSFER_ERROR = 1307,
+
+ /**
+ * The exchange is unaware of the denomination key that was
+ * requested for one of the fresh coins. This response is provided
+ * with HTTP status code MHD_HTTP_BAD_REQUEST.
+ */
+ TALER_EC_REFRESH_MELT_FRESH_DENOMINATION_KEY_NOT_FOUND = 1308,
+
+ /**
+ * The exchange encountered a numeric overflow totaling up
+ * the cost for the refresh operation. This response is provided
+ * with HTTP status code MHD_HTTP_INTERNAL_SERVER_ERROR.
+ */
+ TALER_EC_REFRESH_MELT_COST_CALCULATION_OVERFLOW = 1309,
+
+ /**
+ * During the transaction phase, the exchange could suddenly
+ * no longer find the denomination key that was
+ * used to sign the melted coin. This response is provided
+ * with HTTP status code MHD_HTTP_INTERNAL_SERVER_ERROR.
+ */
+ TALER_EC_REFRESH_MELT_DB_DENOMINATION_KEY_NOT_FOUND = 1310,
+
+ /**
+ * The exchange encountered melt fees exceeding the melted
+ * coin's contribution. This response is provided
+ * with HTTP status code MHD_HTTP_BAD_REQUEST.
+ */
+ TALER_EC_REFRESH_MELT_FEES_EXCEED_CONTRIBUTION = 1311,
+
+ /**
+ * The exchange's cost calculation does not add up to the
+ * melt fees specified in the request. This response is provided
+ * with HTTP status code MHD_HTTP_BAD_REQUEST.
+ */
+ TALER_EC_REFRESH_MELT_FEES_MISSMATCH = 1312,
+
+ /**
+ * The denomination key signature on the melted coin is invalid.
+ * This response is provided with HTTP status code
+ * MHD_HTTP_BAD_REQUEST.
+ */
+ TALER_EC_REFRESH_MELT_DENOMINATION_SIGNATURE_INVALID = 1313,
+
+ /**
+ * The exchange's cost calculation shows that the melt amount
+ * is below the costs of the transaction. This response is provided
+ * with HTTP status code MHD_HTTP_BAD_REQUEST.
+ */
+ TALER_EC_REFRESH_MELT_AMOUNT_INSUFFICIENT = 1314,
+
+ /**
+ * The signature made with the coin to be melted is invalid.
+ * This response is provided with HTTP status code
+ * MHD_HTTP_BAD_REQUEST.
+ */
+ TALER_EC_REFRESH_MELT_COIN_SIGNATURE_INVALID = 1315,
+
+ /**
+ * The size of the cut-and-choose dimension of the
+ * blinded coins request does not match #TALER_CNC_KAPPA.
+ * This response is provided with HTTP status code
+ * MHD_HTTP_BAD_REQUEST.
+ */
+ TALER_EC_REFRESH_MELT_CNC_COIN_ARRAY_SIZE_INVALID = 1316,
+
+ /**
+ * The size of the cut-and-choose dimension of the
+ * transfer keys request does not match #TALER_CNC_KAPPA.
+ * This response is provided with HTTP status code
+ * MHD_HTTP_BAD_REQUEST.
+ */
+ TALER_EC_REFRESH_MELT_CNC_TRANSFER_ARRAY_SIZE_INVALID = 1317,
+
+ /**
+ * The exchange failed to obtain the transaction history of the
+ * given coin from the database while generating an insufficient
+ * funds errors.
+ * This response is provided with HTTP status code
+ * MHD_HTTP_INTERNAL_SERVER_ERROR.
+ */
+ TALER_EC_REFRESH_MELT_HISTORY_DB_ERROR_INSUFFICIENT_FUNDS = 1318,
+
+ /**
+ * The provided transfer keys do not match up with the
+ * original commitment. Information about the original
+ * commitment is included in the response. This response is
+ * provided with HTTP status code MHD_HTTP_CONFLICT.
+ */
+ TALER_EC_REFRESH_REVEAL_COMMITMENT_VIOLATION = 1350,
+
+ /**
+ * Failed to blind the envelope to reconstruct the blinded
+ * coins for revealation checks.
+ * This response is provided with HTTP status code
+ * MHD_HTTP_INTERNAL_ERROR.
+ */
+ TALER_EC_REFRESH_REVEAL_BLINDING_ERROR = 1351,
+
+ /**
+ * Failed to produce the blinded signatures over the coins
+ * to be returned.
+ * This response is provided with HTTP status code
+ * MHD_HTTP_INTERNAL_ERROR.
+ */
+ TALER_EC_REFRESH_REVEAL_SIGNING_ERROR = 1352,
+
+ /**
+ * The exchange is unaware of the refresh sessino specified in
+ * the request.
+ * This response is provided with HTTP status code
+ * MHD_HTTP_BAD_REQUEST.
+ */
+ TALER_EC_REFRESH_REVEAL_SESSION_UNKNOWN = 1353,
+
+ /**
+ * The exchange failed to retrieve valid session data from the
+ * database.
+ * This response is provided with HTTP status code
+ * MHD_HTTP_INTERNAL_ERROR.
+ */
+ TALER_EC_REFRESH_REVEAL_DB_FETCH_SESSION_ERROR = 1354,
+
+ /**
+ * The exchange failed to retrieve order data from the
+ * database.
+ * This response is provided with HTTP status code
+ * MHD_HTTP_INTERNAL_ERROR.
+ */
+ TALER_EC_REFRESH_REVEAL_DB_FETCH_ORDER_ERROR = 1355,
+
+ /**
+ * The exchange failed to retrieve transfer keys from the
+ * database.
+ * This response is provided with HTTP status code
+ * MHD_HTTP_INTERNAL_ERROR.
+ */
+ TALER_EC_REFRESH_REVEAL_DB_FETCH_TRANSFER_ERROR = 1356,
+
+ /**
+ * The exchange failed to retrieve commitment data from the
+ * database.
+ * This response is provided with HTTP status code
+ * MHD_HTTP_INTERNAL_ERROR.
+ */
+ TALER_EC_REFRESH_REVEAL_DB_FETCH_COMMIT_ERROR = 1357,
+
+ /**
+ * The size of the cut-and-choose dimension of the
+ * private transfer keys request does not match #TALER_CNC_KAPPA - 1.
+ * This response is provided with HTTP status code
+ * MHD_HTTP_BAD_REQUEST.
+ */
+ TALER_EC_REFRESH_REVEAL_CNC_TRANSFER_ARRAY_SIZE_INVALID = 1358,
+
+
+ /**
+ * The coin specified in the link request is unknown to the exchange.
+ * This response is provided with HTTP status code
+ * MHD_HTTP_NOT_FOUND.
+ */
+ TALER_EC_REFRESH_LINK_COIN_UNKNOWN = 1400,
+
+
+ /**
+ * 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. This response is provided
+ * with HTTP status code MHD_HTTP_NOT_FOUND.
+ */
+ TALER_EC_REFUND_COIN_NOT_FOUND = 1500,
+
+ /**
+ * We could not process the refund request as the coin's transaction
+ * history does not permit the requested refund at this time. The
+ * "history" in the response proves this. This response is provided
+ * with HTTP status code MHD_HTTP_CONFLICT.
+ */
+ TALER_EC_REFUND_CONFLICT = 1501,
+
+ /**
+ * 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). This response is provided with HTTP
+ * status code MHD_HTTP_NOT_FOUND.
+ */
+ TALER_EC_REFUND_DEPOSIT_NOT_FOUND = 1503,
+
+ /**
+ * The currency specified for the refund is different from
+ * the currency of the coin. This response is provided with HTTP
+ * status code MHD_HTTP_PRECONDITION_FAILED.
+ */
+ TALER_EC_REFUND_CURRENCY_MISSMATCH = 1504,
+
+ /**
+ * When we tried to check if we already paid out the coin, the
+ * exchange's database suddenly disagreed with data it previously
+ * provided (internal inconsistency).
+ * This response is provided with HTTP status code
+ * MHD_HTTP_INTERNAL_SERVER_ERROR.
+ */
+ TALER_EC_REFUND_DB_INCONSISTENT = 1505,
+ /**
+ * 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.)
+ * This response is provided with HTTP status code
+ * MHD_HTTP_GONE.
+ */
+ TALER_EC_REFUND_MERCHANT_ALREADY_PAID = 1506,
+
+ /**
+ * The amount the exchange was asked to refund exceeds
+ * (with fees) the total amount of the deposit (including fees).
+ * This response is provided with HTTP status code
+ * MHD_HTTP_PRECONDITION_FAILED.
+ */
+ TALER_EC_REFUND_INSUFFICIENT_FUNDS = 1507,
+
+ /**
+ * The exchange failed to recover information about the
+ * denomination key of the refunded coin (even though it
+ * recognizes the key). Hence it could not check the fee
+ * strucutre.
+ * This response is provided with HTTP status code
+ * MHD_HTTP_INTERNAL_SERVER_ERROR.
+ */
+ TALER_EC_REFUND_DENOMINATION_KEY_NOT_FOUND = 1508,
+
+ /**
+ * 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.
+ * This response is provided with HTTP status code
+ * MHD_HTTP_BAD_REQUEST.
+ */
+ TALER_EC_REFUND_FEE_TOO_LOW = 1509,
+
+ /**
+ * The exchange failed to store the refund information to
+ * its database.
+ * This response is provided with HTTP status code
+ * MHD_HTTP_INTERNAL_SERVER_ERROR.
+ */
+ TALER_EC_REFUND_STORE_DB_ERROR = 1510,
+
+ /**
+ * The refund fee is specified in a different currency
+ * than the refund amount.
+ * This response is provided with HTTP status code
+ * MHD_HTTP_BAD_REQUEST.
+ */
+ TALER_EC_REFUND_FEE_CURRENCY_MISSMATCH = 1511,
+
+ /**
+ * The refunded amount is smaller than the refund fee,
+ * which would result in a negative refund.
+ * This response is provided with HTTP status code
+ * MHD_HTTP_BAD_REQUEST.
+ */
+ TALER_EC_REFUND_FEE_ABOVE_AMOUNT = 1512,
+
+ /**
+ * The signature of the merchant is invalid.
+ * This response is provided with HTTP status code
+ * MHD_HTTP_BAD_REQUEST.
+ */
+ TALER_EC_REFUND_MERCHANT_SIGNATURE_INVALID = 1513,
+
+
+ /**
+ * The wire format specified in the "sender_account_details"
+ * is not understood or not supported by this exchange.
+ * Returned with an HTTP status code of MHD_HTTP_NOT_FOUND.
+ * (As we did not find an interpretation of the wire format.)
+ */
+ TALER_EC_ADMIN_ADD_INCOMING_WIREFORMAT_UNSUPPORTED = 1600,
+
+ /**
+ * The currency specified in the "amount" parameter is not
+ * supported by this exhange. Returned with an HTTP status
+ * code of MHD_HTTP_BAD_REQUEST.
+ */
+ TALER_EC_ADMIN_ADD_INCOMING_CURRENCY_UNSUPPORTED = 1601,
+
+ /**
+ * The exchange failed to store information about the incoming
+ * transfer in its database. This response is provided with HTTP
+ * status code MHD_HTTP_INTERNAL_SERVER_ERROR.
+ */
+ TALER_EC_ADMIN_ADD_INCOMING_DB_STORE = 1602,
+
+ /**
+ * The exchange encountered an error (that is not about not finding
+ * the wire transfer) trying to lookup a wire transfer identifier
+ * in the database. This response is provided with HTTP
+ * status code MHD_HTTP_INTERNAL_SERVER_ERROR.
+ */
+ TALER_EC_TRACK_TRANSFER_DB_FETCH_FAILED = 1700,
+
+ /**
+ * The exchange found internally inconsistent data when resolving a
+ * wire transfer identifier in the database. This response is
+ * provided with HTTP status code MHD_HTTP_INTERNAL_SERVER_ERROR.
+ */
+ TALER_EC_TRACK_TRANSFER_DB_INCONSISTENT = 1701,
+
+ /**
+ * The exchange did not find information about the specified
+ * wire transfer identifier in the database. This response is
+ * provided with HTTP status code MHD_HTTP_NOT_FOUND.
+ */
+ TALER_EC_TRACK_TRANSFER_WTID_NOT_FOUND = 1702,
+
+
+ /**
+ * The exchange found internally inconsistent fee data when
+ * resolving a transaction in the database. This
+ * response is provided with HTTP status code
+ * MHD_HTTP_INTERNAL_SERVER_ERROR.
+ */
+ TALER_EC_TRACK_TRANSACTION_DB_FEE_INCONSISTENT = 1800,
+
+ /**
+ * The exchange encountered an error (that is not about not finding
+ * the transaction) trying to lookup a transaction
+ * in the database. This response is provided with HTTP
+ * status code MHD_HTTP_INTERNAL_SERVER_ERROR.
+ */
+ TALER_EC_TRACK_TRANSACTION_DB_FETCH_FAILED = 1801,
+
+ /**
+ * The exchange did not find information about the specified
+ * transaction in the database. This response is
+ * provided with HTTP status code MHD_HTTP_NOT_FOUND.
+ */
+ TALER_EC_TRACK_TRANSACTION_NOT_FOUND = 1802,
+
+ /**
+ * The exchange failed to identify the wire transfer of the
+ * transaction (or information about the plan that it was supposed
+ * to still happen in the future). This response is provided with
+ * HTTP status code MHD_HTTP_INTERNAL_SERVER_ERROR.
+ */
+ TALER_EC_TRACK_TRANSACTION_WTID_RESOLUTION_ERROR = 1803,
+
+ /**
+ * The signature of the merchant is invalid.
+ * This response is provided with HTTP status code
+ * MHD_HTTP_BAD_REQUEST.
+ */
+ TALER_EC_TRACK_TRANSACTION_MERCHANT_SIGNATURE_INVALID = 1804,
+
+
+ /* *********** Merchant backend error codes ********* */
+
+ /**
+ * The backend could not find the merchant instance specified
+ * in the request. This response is
+ * provided with HTTP status code MHD_HTTP_NOT_FOUND.
+ */
+ TALER_EC_CONTRACT_INSTANCE_UNKNOWN = 2000,
+
+ /**
+ * The exchange failed to provide a meaningful response
+ * to a /deposit request. This response is provided
+ * with HTTP status code MHD_HTTP_SERVICE_UNAVAILABLE.
+ */
+ TALER_EC_PAY_EXCHANGE_FAILED = 2101,
+
+ /**
+ * The merchant failed to commit the exchanges' response to
+ * a /deposit request to its database. This response is provided
+ * with HTTP status code MHD_HTTP_INTERNAL_SERVER_ERROR.
+ */
+ TALER_EC_PAY_DB_STORE_PAY_ERROR = 2102,
+
+ /**
+ * The specified exchange is not supported/trusted by
+ * this merchant. This response is provided
+ * with HTTP status code MHD_HTTP_PRECONDITION_FAILED.
+ */
+ TALER_EC_PAY_EXCHANGE_REJECTED = 2103,
+
+ /**
+ * The denomination key used for payment is not listed among the
+ * denomination keys of the exchange. This response is provided
+ * with HTTP status code MHD_HTTP_BAD_REQUEST.
+ */
+ TALER_EC_PAY_DENOMINATION_KEY_NOT_FOUND = 2104,
+
+ /**
+ * The denomination key used for payment is not audited by an
+ * auditor approved by the merchant. This response is provided
+ * with HTTP status code MHD_HTTP_BAD_REQUEST.
+ */
+ TALER_EC_PAY_DENOMINATION_KEY_AUDITOR_FAILURE = 2105,
+
+ /**
+ * There was an integer overflow totaling up the amounts or
+ * deposit fees in the payment. This response is provided
+ * with HTTP status code MHD_HTTP_BAD_REQUEST.
+ */
+ TALER_EC_PAY_AMOUNT_OVERFLOW = 2106,
+
+ /**
+ * The deposit fees exceed the total value of the payment.
+ * This response is provided
+ * with HTTP status code MHD_HTTP_BAD_REQUEST.
+ */
+ TALER_EC_PAY_FEES_EXCEED_PAYMENT = 2107,
+
+ /**
+ * After considering deposit fees, the payment is insufficient
+ * to satisfy the required amount for the contract.
+ * This response is provided
+ * with HTTP status code MHD_HTTP_BAD_REQUEST.
+ */
+ TALER_EC_PAY_PAYMENT_INSUFFICIENT_DUE_TO_FEES = 2108,
+
+ /**
+ * While the merchant is happy to cover all applicable deposit fees,
+ * the payment is insufficient to satisfy the required amount for
+ * the contract. This response is provided with HTTP status code
+ * MHD_HTTP_BAD_REQUEST.
+ */
+ TALER_EC_PAY_PAYMENT_INSUFFICIENT = 2109,
+
+ /**
+ * The signature over the contract of one of the coins
+ * was invalid. This response is provided with HTTP status code
+ * MHD_HTTP_BAD_REQUEST.
+ */
+ TALER_EC_PAY_COIN_SIGNATURE_INVALID = 2110,
+
+ /**
+ * We failed to contact the exchange for the /pay request.
+ * This response is provided
+ * with HTTP status code MHD_HTTP_SERVICE_UNAVAILABLE.
+ */
+ TALER_EC_PAY_EXCHANGE_TIMEOUT = 2111,
+
+ /**
+ * The backend could not find the merchant instance specified
+ * in the request. This response is
+ * provided with HTTP status code MHD_HTTP_NOT_FOUND.
+ */
+ TALER_EC_PAY_INSTANCE_UNKNOWN = 2112,
+
+ /**
+ * The signature over the contract of the merchant
+ * was invalid. This response is provided with HTTP status code
+ * MHD_HTTP_BAD_REQUEST.
+ */
+ TALER_EC_PAY_MERCHANT_SIGNATURE_INVALID = 2113,
+
+ /**
+ * The refund deadline was after the transfer deadline.
+ * This response is provided with HTTP status code
+ * MHD_HTTP_BAD_REQUEST.
+ */
+ TALER_EC_PAY_REFUND_DEADLINE_PAST_WIRE_TRANSFER_DEADLINE = 2114,
+
+ /**
+ * The request fails to provide coins for the payment.
+ * This response is provided with HTTP status code
+ * MHD_HTTP_BAD_REQUEST.
+ */
+ TALER_EC_PAY_COINS_ARRAY_EMPTY = 2115,
+
+ /**
+ * The merchant failed to fetch the merchant's previous state with
+ * respect to a /pay request from its database. This response is
+ * provided with HTTP status code MHD_HTTP_INTERNAL_SERVER_ERROR.
+ */
+ TALER_EC_PAY_DB_FETCH_PAY_ERROR = 2116,
+
+ /**
+ * The merchant failed to fetch the merchant's previous state with
+ * respect to transactions from its database. This response is
+ * provided with HTTP status code MHD_HTTP_INTERNAL_SERVER_ERROR.
+ */
+ TALER_EC_PAY_DB_FETCH_TRANSACTION_ERROR = 2117,
+
+ /**
+ * The transaction ID was used for a conflicing transaction before.
+ * This response is
+ * provided with HTTP status code MHD_HTTP_BAD_REQUEST.
+ */
+ TALER_EC_PAY_DB_TRANSACTION_ID_CONFLICT = 2118,
+
+ /**
+ * The merchant failed to store the merchant's state with
+ * respect to the transaction in its database. This response is
+ * provided with HTTP status code MHD_HTTP_INTERNAL_SERVER_ERROR.
+ */
+ TALER_EC_PAY_DB_STORE_TRANSACTION_ERROR = 2119,
+
+ /**
+ * The exchange failed to provide a valid response to
+ * the merchant's /keys request.
+ * This response is provided
+ * with HTTP status code MHD_HTTP_SERVICE_UNAVAILABLE.
+ */
+ TALER_EC_PAY_EXCHANGE_KEYS_FAILURE = 2120,
+
+ /**
+ * The payment is too late, the offer has expired.
+ * This response is
+ * provided with HTTP status code MHD_HTTP_BAD_REQUEST.
+ */
+ TALER_EC_PAY_OFFER_EXPIRED = 2121,
+
+
+ /**
+ * Integer overflow with sepcified timestamp argument detected.
+ * This response is provided
+ * with HTTP status code MHD_HTTP_BAD_REQUEST.
+ */
+ TALER_EC_HISTORY_TIMESTAMP_OVERFLOW = 2200,
+
+ /**
+ * Failed to retrieve history from merchant database.
+ * This response is provided
+ * with HTTP status code MHD_HTTP_INTERNAL_SERVER_ERROR.
+ */
+ TALER_EC_HISTORY_DB_FETCH_ERROR = 2201,
+
+
+ /**
+ * We failed to contact the exchange for the /track/transaction
+ * request. This response is provided with HTTP status code
+ * MHD_HTTP_SERVICE_UNAVAILABLE.
+ */
+ TALER_EC_TRACK_TRANSACTION_EXCHANGE_TIMEOUT = 2300,
+
+ /**
+ * The backend could not find the merchant instance specified
+ * in the request. This response is
+ * provided with HTTP status code MHD_HTTP_NOT_FOUND.
+ */
+ TALER_EC_TRACK_TRANSACTION_INSTANCE_UNKNOWN = 2301,
+
+ /**
+ * The backend could not find the transaction specified
+ * in the request. This response is
+ * provided with HTTP status code MHD_HTTP_NOT_FOUND.
+ */
+ TALER_EC_TRACK_TRANSACTION_TRANSACTION_UNKNOWN = 2302,
+
+ /**
+ * The backend had a database access error trying to
+ * retrieve transaction data from its database.
+ * The response is
+ * provided with HTTP status code MHD_HTTP_INTERNAL_SERVER_ERROR.
+ */
+ TALER_EC_TRACK_TRANSACTION_DB_FETCH_TRANSACTION_ERROR = 2303,
+
+ /**
+ * The backend had a database access error trying to
+ * retrieve payment data from its database.
+ * The response is
+ * provided with HTTP status code MHD_HTTP_INTERNAL_SERVER_ERROR.
+ */
+ TALER_EC_TRACK_TRANSACTION_DB_FETCH_PAYMENT_ERROR = 2304,
+
+ /**
+ * The backend found no applicable deposits in the database.
+ * This is odd, as we know about the transaction, but not
+ * about deposits we made for the transaction. The response is
+ * provided with HTTP status code MHD_HTTP_NOT_FOUND.
+ */
+ TALER_EC_TRACK_TRANSACTION_DB_NO_DEPOSITS_ERROR = 2305,
+
+ /**
+ * We failed to obtain a wire transfer identifier for one
+ * of the coins in the transaction. The response is
+ * provided with HTTP status code MHD_HTTP_FAILED_DEPENDENCY if
+ * the exchange had a hard error, or MHD_HTTP_ACCEPTED if the
+ * exchange signaled that the transfer was in progress.
+ */
+ TALER_EC_TRACK_TRANSACTION_COIN_TRACE_ERROR = 2306,
+
+ /**
+ * We failed to obtain the full wire transfer identifier for the
+ * transfer one of the coins was aggregated into.
+ * The response is
+ * provided with HTTP status code MHD_HTTP_FAILED_DEPENDENCY.
+ */
+ TALER_EC_TRACK_TRANSACTION_WIRE_TRANSFER_TRACE_ERROR = 2307,
+
+ /**
+ * We got conflicting reports from the exhange with
+ * respect to which transfers are included in which
+ * aggregate.
+ * The response is
+ * provided with HTTP status code MHD_HTTP_FAILED_DEPENDENCY.
+ */
+ TALER_EC_TRACK_TRANSACTION_CONFLICTING_REPORTS = 2308,
+
+
+ /**
+ * We failed to contact the exchange for the /track/transfer
+ * request. This response is provided with HTTP status code
+ * MHD_HTTP_SERVICE_UNAVAILABLE.
+ */
+ TALER_EC_TRACK_TRANSFER_EXCHANGE_TIMEOUT = 2400,
+
+ /**
+ * The backend could not find the merchant instance specified
+ * in the request. This response is
+ * provided with HTTP status code MHD_HTTP_NOT_FOUND.
+ */
+ TALER_EC_TRACK_TRANSFER_INSTANCE_UNKNOWN = 2401,
+
+ /**
+ * We failed to persist coin wire transfer information in
+ * our merchant database.
+ * The response is
+ * provided with HTTP status code MHD_HTTP_INTERNAL_SERVER_ERROR.
+ */
+ TALER_EC_TRACK_TRANSFER_DB_STORE_COIN_ERROR = 2402,
+
+ /**
+ * We internally failed to execute the /track/transfer request.
+ * The response is
+ * provided with HTTP status code MHD_HTTP_INTERNAL_SERVER_ERROR.
+ */
+ TALER_EC_TRACK_TRANSFER_REQUEST_ERROR = 2403,
+
+ /**
+ * We failed to persist wire transfer information in
+ * our merchant database.
+ * The response is
+ * provided with HTTP status code MHD_HTTP_INTERNAL_SERVER_ERROR.
+ */
+ TALER_EC_TRACK_TRANSFER_DB_STORE_TRANSFER_ERROR = 2404,
+
+ /**
+ * The exchange returned an error from /track/transfer.
+ * The response is
+ * provided with HTTP status code MHD_HTTP_FAILED_DEPENDENCY.
+ */
+ TALER_EC_TRACK_TRANSFER_EXCHANGE_ERROR = 2405,
+
+ /**
+ * We failed to fetch deposit information from
+ * our merchant database.
+ * The response is
+ * provided with HTTP status code MHD_HTTP_INTERNAL_SERVER_ERROR.
+ */
+ TALER_EC_TRACK_TRANSFER_DB_FETCH_DEPOSIT_ERROR = 2406,
+
+ /**
+ * We encountered an internal logic error.
+ * The response is
+ * provided with HTTP status code MHD_HTTP_INTERNAL_SERVER_ERROR.
+ */
+ TALER_EC_TRACK_TRANSFER_DB_INTERNAL_LOGIC_ERROR = 2407,
+
+ /**
+ * The exchange gave conflicting information about a coin which has
+ * been wire transferred.
+ * The response is
+ * provided with HTTP status code MHD_HTTP_INTERNAL_SERVER_ERROR.
+ */
+ TALER_EC_TRACK_TRANSFER_CONFLICTING_REPORTS = 2408,
+
+ /* ********** /test API error codes ************* */
+
+ /**
+ * The exchange failed to compute ECDH. This response is provided
+ * with HTTP status code MHD_HTTP_INTERNAL_SERVER_ERROR.
+ */
+ TALER_EC_TEST_ECDH_ERROR = 4000,
+
+ /**
+ * The EdDSA test signature is invalid. This response is provided
+ * with HTTP status code MHD_HTTP_BAD_REQUEST.
+ */
+ TALER_EC_TEST_EDDSA_INVALID = 4001,
+
+ /**
+ * The exchange failed to compute the EdDSA test signature. This response is provided
+ * with HTTP status code MHD_HTTP_INTERNAL_SERVER_ERROR.
+ */
+ TALER_EC_TEST_EDDSA_ERROR = 4002,
+
+ /**
+ * The exchange failed to generate an RSA key. This response is provided
+ * with HTTP status code MHD_HTTP_INTERNAL_SERVER_ERROR.
+ */
+ TALER_EC_TEST_RSA_GEN_ERROR = 4003,
+
+ /**
+ * The exchange failed to compute the public RSA key. This response
+ * is provided with HTTP status code MHD_HTTP_INTERNAL_SERVER_ERROR.
+ */
+ TALER_EC_TEST_RSA_PUB_ERROR = 4004,
+
+ /**
+ * The exchange failed to compute the RSA signature. This response
+ * is provided with HTTP status code MHD_HTTP_INTERNAL_SERVER_ERROR.
+ */
+ TALER_EC_TEST_RSA_SIGN_ERROR = 4005,
+
+
+ /**
+ * End of error code range.
+ */
+ TALER_EC_END = 9999
+
};
diff --git a/src/include/taler_exchange_service.h b/src/include/taler_exchange_service.h
index 9e3c48c4c..e368f954c 100644
--- a/src/include/taler_exchange_service.h
+++ b/src/include/taler_exchange_service.h
@@ -24,6 +24,7 @@
#include <jansson.h>
#include "taler_util.h"
+#include "taler_error_codes.h"
#include <gnunet/gnunet_curl_lib.h>
@@ -355,6 +356,7 @@ struct TALER_EXCHANGE_WireHandle;
* @param cls closure
* @param http_status HTTP response code, #MHD_HTTP_OK (200) for successful request;
* 0 if the exchange's reply is bogus (fails to follow the protocol)
+ * @param ec taler-specific error code, #TALER_EC_NONE on success
* @param obj the received JSON reply, if successful this should be the wire
* format details as provided by /wire, or NULL if the
* reply was not in JSON format.
@@ -362,6 +364,7 @@ struct TALER_EXCHANGE_WireHandle;
typedef void
(*TALER_EXCHANGE_WireResultCallback) (void *cls,
unsigned int http_status,
+ enum TALER_ErrorCode ec,
const json_t *obj);
@@ -423,6 +426,7 @@ struct TALER_EXCHANGE_DepositHandle;
typedef void
(*TALER_EXCHANGE_DepositResultCallback) (void *cls,
unsigned int http_status,
+ enum TALER_ErrorCode ec,
const struct TALER_ExchangePublicKeyP *sign_key,
const json_t *obj);
@@ -504,6 +508,7 @@ struct TALER_EXCHANGE_RefundHandle;
* @param cls closure
* @param http_status HTTP response code, #MHD_HTTP_OK (200) for successful deposit;
* 0 if the exchange's reply is bogus (fails to follow the protocol)
+ * @param ec taler-specific error code, #TALER_EC_NONE on success
* @param sign_key exchange key used to sign @a obj, or NULL
* @param obj the received JSON reply, should be kept as proof (and, in particular,
* be forwarded to the customer)
@@ -511,6 +516,7 @@ struct TALER_EXCHANGE_RefundHandle;
typedef void
(*TALER_EXCHANGE_RefundResultCallback) (void *cls,
unsigned int http_status,
+ enum TALER_ErrorCode ec,
const struct TALER_ExchangePublicKeyP *sign_key,
const json_t *obj);
@@ -650,6 +656,7 @@ struct TALER_EXCHANGE_ReserveHistory
* @param cls closure
* @param http_status HTTP response code, #MHD_HTTP_OK (200) for successful status request
* 0 if the exchange's reply is bogus (fails to follow the protocol)
+ * @param ec taler-specific error code, #TALER_EC_NONE on success
* @param[in] json original response in JSON format (useful only for diagnostics)
* @param balance current balance in the reserve, NULL on error
* @param history_length number of entries in the transaction history, 0 on error
@@ -658,6 +665,7 @@ struct TALER_EXCHANGE_ReserveHistory
typedef void
(*TALER_EXCHANGE_ReserveStatusResultCallback) (void *cls,
unsigned int http_status,
+ enum TALER_ErrorCode ec,
const json_t *json,
const struct TALER_Amount *balance,
unsigned int history_length,
@@ -713,12 +721,14 @@ struct TALER_EXCHANGE_ReserveWithdrawHandle;
* @param cls closure
* @param http_status HTTP response code, #MHD_HTTP_OK (200) for successful status request
* 0 if the exchange's reply is bogus (fails to follow the protocol)
+ * @param ec taler-specific error code, #TALER_EC_NONE on success
* @param sig signature over the coin, NULL on error
* @param full_response full response from the exchange (for logging, in case of errors)
*/
typedef void
(*TALER_EXCHANGE_ReserveWithdrawResultCallback) (void *cls,
unsigned int http_status,
+ enum TALER_ErrorCode ec,
const struct TALER_DenominationSignature *sig,
const json_t *full_response);
@@ -835,6 +845,7 @@ struct TALER_EXCHANGE_RefreshMeltHandle;
* @param cls closure
* @param http_status HTTP response code, never #MHD_HTTP_OK (200) as for successful intermediate response this callback is skipped.
* 0 if the exchange's reply is bogus (fails to follow the protocol)
+ * @param ec taler-specific error code, #TALER_EC_NONE on success
* @param noreveal_index choice by the exchange in the cut-and-choose protocol,
* UINT16_MAX on error
* @param sign_key exchange key used to sign @a full_response, or NULL
@@ -843,7 +854,8 @@ struct TALER_EXCHANGE_RefreshMeltHandle;
typedef void
(*TALER_EXCHANGE_RefreshMeltCallback) (void *cls,
unsigned int http_status,
- uint16_t noreveal_index,
+ enum TALER_ErrorCode ec,
+ uint16_t noreveal_index,
const struct TALER_ExchangePublicKeyP *sign_key,
const json_t *full_response);
@@ -900,6 +912,7 @@ TALER_EXCHANGE_refresh_melt_cancel (struct TALER_EXCHANGE_RefreshMeltHandle *rmh
* @param cls closure
* @param http_status HTTP response code, #MHD_HTTP_OK (200) for successful status request
* 0 if the exchange's reply is bogus (fails to follow the protocol)
+ * @param ec taler-specific error code, #TALER_EC_NONE on success
* @param num_coins number of fresh coins created, length of the @a sigs and @a coin_privs arrays, 0 if the operation failed
* @param coin_privs array of @a num_coins private keys for the coins that were created, NULL on error
* @param sigs array of signature over @a num_coins coins, NULL on error
@@ -908,6 +921,7 @@ TALER_EXCHANGE_refresh_melt_cancel (struct TALER_EXCHANGE_RefreshMeltHandle *rmh
typedef void
(*TALER_EXCHANGE_RefreshRevealCallback) (void *cls,
unsigned int http_status,
+ enum TALER_ErrorCode ec,
unsigned int num_coins,
const struct TALER_CoinSpendPrivateKeyP *coin_privs,
const struct TALER_DenominationSignature *sigs,
@@ -979,6 +993,7 @@ struct TALER_EXCHANGE_RefreshLinkHandle;
* @param cls closure
* @param http_status HTTP response code, #MHD_HTTP_OK (200) for successful status request
* 0 if the exchange's reply is bogus (fails to follow the protocol)
+ * @param ec taler-specific error code, #TALER_EC_NONE on success
* @param num_coins number of fresh coins created, length of the @a sigs and @a coin_privs arrays, 0 if the operation failed
* @param coin_privs array of @a num_coins private keys for the coins that were created, NULL on error
* @param sigs array of signature over @a num_coins coins, NULL on error
@@ -988,6 +1003,7 @@ struct TALER_EXCHANGE_RefreshLinkHandle;
typedef void
(*TALER_EXCHANGE_RefreshLinkCallback) (void *cls,
unsigned int http_status,
+ enum TALER_ErrorCode ec,
unsigned int num_coins,
const struct TALER_CoinSpendPrivateKeyP *coin_privs,
const struct TALER_DenominationSignature *sigs,
@@ -1043,11 +1059,13 @@ struct TALER_EXCHANGE_AdminAddIncomingHandle;
* @param cls closure
* @param http_status HTTP response code, #MHD_HTTP_OK (200) for successful status request
* 0 if the exchange's reply is bogus (fails to follow the protocol)
+ * @param ec taler-specific error code, #TALER_EC_NONE on success
* @param full_response full response from the exchange (for logging, in case of errors)
*/
typedef void
(*TALER_EXCHANGE_AdminAddIncomingResultCallback) (void *cls,
unsigned int http_status,
+ enum TALER_ErrorCode ec,
const json_t *full_response);
@@ -1108,6 +1126,7 @@ struct TALER_EXCHANGE_TrackTransferHandle;
*
* @param cls closure
* @param http_status HTTP status code we got, 0 on exchange protocol violation
+ * @param ec taler-specific error code, #TALER_EC_NONE on success
* @param sign_key exchange key used to sign @a json, or NULL
* @param json original json reply (may include signatures, those have then been
* validated already)
@@ -1121,6 +1140,7 @@ struct TALER_EXCHANGE_TrackTransferHandle;
typedef void
(*TALER_EXCHANGE_TrackTransferCallback)(void *cls,
unsigned int http_status,
+ enum TALER_ErrorCode ec,
const struct TALER_ExchangePublicKeyP *sign_key,
const json_t *json,
const struct GNUNET_HashCode *h_wire,
@@ -1171,6 +1191,7 @@ struct TALER_EXCHANGE_TrackTransactionHandle;
*
* @param cls closure
* @param http_status HTTP status code we got, 0 on exchange protocol violation
+ * @param ec taler-specific error code, #TALER_EC_NONE on success
* @param sign_key exchange key used to sign @a json, or NULL
* @param json original json reply (may include signatures, those have then been
* validated already)
@@ -1182,6 +1203,7 @@ struct TALER_EXCHANGE_TrackTransactionHandle;
typedef void
(*TALER_EXCHANGE_TrackTransactionCallback)(void *cls,
unsigned int http_status,
+ enum TALER_ErrorCode ec,
const struct TALER_ExchangePublicKeyP *sign_key,
const json_t *json,
const struct TALER_WireTransferIdentifierRawP *wtid,
@@ -1240,4 +1262,5 @@ TALER_EXCHANGE_verify_coin_history (const char *currency,
json_t *history,
struct TALER_Amount *total);
+
#endif /* _TALER_EXCHANGE_SERVICE_H */
diff --git a/src/include/taler_json_lib.h b/src/include/taler_json_lib.h
index b47aea5b6..b247ba1f5 100644
--- a/src/include/taler_json_lib.h
+++ b/src/include/taler_json_lib.h
@@ -25,6 +25,7 @@
#include <jansson.h>
#include <gnunet/gnunet_json_lib.h>
#include "taler_util.h"
+#include "taler_error_codes.h"
/**
* Print JSON parsing related error information
@@ -92,6 +93,17 @@ int
TALER_JSON_hash (const json_t *json,
struct GNUNET_HashCode *hc);
+/**
+ * Extract the Taler error code from the given @a json object.
+ * Note that #TALER_EC_NONE is returned if no "code" is present.
+ *
+ * @param json response to extract the error code from
+ * @return the "code" value from @a json
+ */
+enum TALER_ErrorCode
+TALER_JSON_get_error_code (const json_t *json);
+
+
#endif /* TALER_JSON_LIB_H_ */
/* End of taler_json_lib.h */
diff --git a/src/include/taler_util.h b/src/include/taler_util.h
index 613f860cd..c115594f5 100644
--- a/src/include/taler_util.h
+++ b/src/include/taler_util.h
@@ -117,4 +117,6 @@ const struct GNUNET_OS_ProjectData *
TALER_project_data_default (void);
+
+
#endif