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[taler-exchange] branch master updated: improve status codes returned in
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From: |
gnunet |
|
Subject: |
[taler-exchange] branch master updated: improve status codes returned in case of denomination key troubles |
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Date: |
Fri, 01 Nov 2019 15:36:17 +0100 |
This is an automated email from the git hooks/post-receive script.
grothoff pushed a commit to branch master
in repository exchange.
The following commit(s) were added to refs/heads/master by this push:
new 375a47d5 improve status codes returned in case of denomination key
troubles
375a47d5 is described below
commit 375a47d5023c9eccf45d8142a0568824eb4ed7ab
Author: Christian Grothoff <address@hidden>
AuthorDate: Fri Nov 1 15:36:14 2019 +0100
improve status codes returned in case of denomination key troubles
---
src/exchange/taler-exchange-httpd_deposit.c | 23 ++++---
src/exchange/taler-exchange-httpd_keystate.c | 50 +++++++++++++-
src/exchange/taler-exchange-httpd_keystate.h | 6 +-
src/exchange/taler-exchange-httpd_payback.c | 12 ++--
src/exchange/taler-exchange-httpd_refresh_melt.c | 20 ++++--
src/exchange/taler-exchange-httpd_refresh_reveal.c | 12 ++--
src/exchange/taler-exchange-httpd_refund.c | 12 ++--
.../taler-exchange-httpd_reserve_withdraw.c | 12 ++--
src/exchange/taler-exchange-httpd_responses.c | 20 ++++++
src/exchange/taler-exchange-httpd_responses.h | 14 ++++
src/include/taler_error_codes.h | 76 +++++++++++++++++++++-
11 files changed, 224 insertions(+), 33 deletions(-)
diff --git a/src/exchange/taler-exchange-httpd_deposit.c
b/src/exchange/taler-exchange-httpd_deposit.c
index e1b30272..fd36bb4a 100644
--- a/src/exchange/taler-exchange-httpd_deposit.c
+++ b/src/exchange/taler-exchange-httpd_deposit.c
@@ -250,6 +250,8 @@ verify_and_execute_deposit (struct MHD_Connection
*connection,
struct DepositContext dc;
struct TEH_KS_StateHandle *mks;
const struct TALER_EXCHANGEDB_DenominationKeyIssueInformation *dki;
+ enum TALER_ErrorCode ec;
+ unsigned int hc;
/* check signature */
dr.purpose.purpose = htonl (TALER_SIGNATURE_WALLET_COIN_DEPOSIT);
@@ -287,12 +289,15 @@ verify_and_execute_deposit (struct MHD_Connection
*connection,
}
dki = TEH_KS_denomination_key_lookup_by_hash (mks,
&deposit->coin.denom_pub_hash,
- TEH_KS_DKU_DEPOSIT);
+ TEH_KS_DKU_DEPOSIT,
+ &ec,
+ &hc);
if (NULL == dki)
{
TEH_KS_release (mks);
- return TEH_RESPONSE_reply_internal_db_error (connection,
-
TALER_EC_DEPOSIT_DB_DENOMINATION_KEY_UNKNOWN);
+ return TEH_RESPONSE_reply_with_error (connection,
+ ec,
+ hc);
}
TALER_amount_ntoh (&dc.value,
&dki->issue.properties.value);
@@ -388,6 +393,7 @@ TEH_DEPOSIT_handler_deposit (struct TEH_RequestHandler *rh,
json_t *wire;
char *emsg;
enum TALER_ErrorCode ec;
+ unsigned int hc;
struct TALER_EXCHANGEDB_Deposit deposit;
struct TALER_EXCHANGEDB_DenominationKeyIssueInformation *dki;
struct TEH_KS_StateHandle *key_state;
@@ -497,16 +503,17 @@ TEH_DEPOSIT_handler_deposit (struct TEH_RequestHandler
*rh,
}
dki = TEH_KS_denomination_key_lookup_by_hash (key_state,
&deposit.coin.denom_pub_hash,
- TEH_KS_DKU_DEPOSIT);
+ TEH_KS_DKU_DEPOSIT,
+ &ec,
+ &hc);
if (NULL == dki)
{
- /* FIXME: #3887: if DK was revoked, we might want to give a 403 and not a
404! */
TEH_KS_release (key_state);
TALER_LOG_WARNING ("Unknown denomination key in /deposit request\n");
GNUNET_JSON_parse_free (spec);
- return TEH_RESPONSE_reply_arg_unknown (connection,
-
TALER_EC_DEPOSIT_DENOMINATION_KEY_UNKNOWN,
- "denom_pub");
+ return TEH_RESPONSE_reply_with_error (connection,
+ ec,
+ hc);
}
TALER_amount_ntoh (&deposit.deposit_fee,
&dki->issue.properties.fee_deposit);
diff --git a/src/exchange/taler-exchange-httpd_keystate.c
b/src/exchange/taler-exchange-httpd_keystate.c
index ce6a856d..bde5c7d7 100644
--- a/src/exchange/taler-exchange-httpd_keystate.c
+++ b/src/exchange/taler-exchange-httpd_keystate.c
@@ -1954,6 +1954,8 @@ TEH_KS_acquire_ (struct GNUNET_TIME_Absolute now,
* @param key_state state to look in
* @param denom_pub_hash hash of denomination public key
* @param use purpose for which the key is being located
+ * @param ec[out] set to the error code, in case the operation failed
+ * @param hc[out] set to the HTTP status code to use
* @return the denomination key issue,
* or NULL if denom_pub could not be found (or is not valid at this
time for the given @a use)
*/
@@ -1962,7 +1964,9 @@ TEH_KS_denomination_key_lookup_by_hash (const struct
TEH_KS_StateHandle *key_state,
const struct
GNUNET_HashCode *denom_pub_hash,
- enum TEH_KS_DenominationKeyUse use)
+ enum TEH_KS_DenominationKeyUse use,
+ enum TALER_ErrorCode *ec,
+ unsigned int *hc)
{
struct TALER_EXCHANGEDB_DenominationKeyIssueInformation *dki;
struct GNUNET_TIME_Absolute now;
@@ -1976,7 +1980,25 @@ TEH_KS_denomination_key_lookup_by_hash (const struct
dki = GNUNET_CONTAINER_multihashmap_get (key_state->revoked_map,
denom_pub_hash);
if (NULL == dki)
+ {
+ *hc = MHD_HTTP_NOT_FOUND;
+ switch (use)
+ {
+ case TEH_KS_DKU_PAYBACK:
+ *ec = TALER_EC_PAYBACK_DENOMINATION_KEY_UNKNOWN;
+ break;
+ case TEH_KS_DKU_ZOMBIE:
+ *ec = TALER_EC_REFRESH_PAYBACK_DENOMINATION_KEY_NOT_FOUND;
+ break;
+ case TEH_KS_DKU_WITHDRAW:
+ *ec = TALER_EC_WITHDRAW_DENOMINATION_KEY_NOT_FOUND;
+ break;
+ case TEH_KS_DKU_DEPOSIT:
+ *ec = TALER_EC_DEPOSIT_DENOMINATION_KEY_UNKNOWN;
+ break;
+ }
return NULL;
+ }
now = GNUNET_TIME_absolute_get ();
if (now.abs_value_us <
GNUNET_TIME_absolute_ntoh (dki->issue.properties.start).abs_value_us)
@@ -1984,6 +2006,22 @@ TEH_KS_denomination_key_lookup_by_hash (const struct
GNUNET_log (GNUNET_ERROR_TYPE_INFO,
"Not returning DKI for %s, as start time is in the future\n",
GNUNET_h2s (denom_pub_hash));
+ *hc = MHD_HTTP_PRECONDITION_FAILED;
+ switch (use)
+ {
+ case TEH_KS_DKU_PAYBACK:
+ *ec = TALER_EC_PAYBACK_DENOMINATION_VALIDITY_IN_FUTURE;
+ break;
+ case TEH_KS_DKU_ZOMBIE:
+ *ec = TALER_EC_REFRESH_PAYBACK_DENOMINATION_VALIDITY_IN_FUTURE;
+ break;
+ case TEH_KS_DKU_WITHDRAW:
+ *ec = TALER_EC_WITHDRAW_VALIDITY_IN_FUTURE;
+ break;
+ case TEH_KS_DKU_DEPOSIT:
+ *ec = TALER_EC_DEPOSIT_DENOMINATION_VALIDITY_IN_FUTURE;
+ break;
+ }
return NULL;
}
now = GNUNET_TIME_absolute_get ();
@@ -1997,6 +2035,8 @@ TEH_KS_denomination_key_lookup_by_hash (const struct
GNUNET_log (GNUNET_ERROR_TYPE_INFO,
"Not returning DKI for %s, as time to create coins has
passed\n",
GNUNET_h2s (denom_pub_hash));
+ *ec = TALER_EC_WITHDRAW_VALIDITY_IN_PAST;
+ *hc = MHD_HTTP_GONE;
return NULL;
}
if (NULL == dki->denom_priv.rsa_private_key)
@@ -2004,6 +2044,8 @@ TEH_KS_denomination_key_lookup_by_hash (const struct
GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
"Not returning DKI of %s for WITHDRAW operation as we lack
the private key, even though the withdraw period did not yet expire!\n",
GNUNET_h2s (denom_pub_hash));
+ *ec = TALER_EC_DENOMINATION_KEY_LOST;
+ *hc = MHD_HTTP_SERVICE_UNAVAILABLE;
return NULL;
}
break;
@@ -2015,6 +2057,8 @@ TEH_KS_denomination_key_lookup_by_hash (const struct
GNUNET_log (GNUNET_ERROR_TYPE_INFO,
"Not returning DKI for %s, as time to spend coin has
passed\n",
GNUNET_h2s (denom_pub_hash));
+ *ec = TALER_EC_DEPOSIT_DENOMINATION_EXPIRED;
+ *hc = MHD_HTTP_GONE;
return NULL;
}
break;
@@ -2026,6 +2070,8 @@ TEH_KS_denomination_key_lookup_by_hash (const struct
GNUNET_log (GNUNET_ERROR_TYPE_INFO,
"Not returning DKI for %s, as time to payback coin has
passed\n",
GNUNET_h2s (denom_pub_hash));
+ *ec = TALER_EC_REFRESH_PAYBACK_DENOMINATION_EXPIRED;
+ *hc = MHD_HTTP_GONE;
return NULL;
}
break;
@@ -2037,6 +2083,8 @@ TEH_KS_denomination_key_lookup_by_hash (const struct
GNUNET_log (GNUNET_ERROR_TYPE_INFO,
"Not returning DKI for %s, as legal expiration of coin has
passed\n",
GNUNET_h2s (denom_pub_hash));
+ *ec = TALER_EC_REFRESH_ZOMBIE_DENOMINATION_EXPIRED;
+ *hc = MHD_HTTP_GONE;
return NULL;
}
break;
diff --git a/src/exchange/taler-exchange-httpd_keystate.h
b/src/exchange/taler-exchange-httpd_keystate.h
index 7e2a659e..708b043b 100644
--- a/src/exchange/taler-exchange-httpd_keystate.h
+++ b/src/exchange/taler-exchange-httpd_keystate.h
@@ -129,6 +129,8 @@ enum TEH_KS_DenominationKeyUse
* @param key_state state to look in
* @param denom_pub_hash hash of denomination public key
* @param use purpose for which the key is being located
+ * @param ec[out] set to the error code, in case the operation failed
+ * @param hc[out] set to the HTTP status code to use
* @return the denomination key issue,
* or NULL if denom_pub could not be found (or is not valid at this
time for the given @a use)
*/
@@ -137,7 +139,9 @@ TEH_KS_denomination_key_lookup_by_hash (const struct
TEH_KS_StateHandle *key_state,
const struct
GNUNET_HashCode *denom_pub_hash,
- enum TEH_KS_DenominationKeyUse use);
+ enum TEH_KS_DenominationKeyUse use,
+ enum TALER_ErrorCode *ec,
+ unsigned int *hc);
/**
diff --git a/src/exchange/taler-exchange-httpd_payback.c
b/src/exchange/taler-exchange-httpd_payback.c
index 8a881fff..05a2355a 100644
--- a/src/exchange/taler-exchange-httpd_payback.c
+++ b/src/exchange/taler-exchange-httpd_payback.c
@@ -429,6 +429,8 @@ verify_and_execute_payback (struct MHD_Connection
*connection,
struct GNUNET_HashCode c_hash;
char *coin_ev;
size_t coin_ev_size;
+ enum TALER_ErrorCode ec;
+ unsigned int hc;
/* check denomination exists and is in payback mode */
key_state = TEH_KS_acquire (GNUNET_TIME_absolute_get ());
@@ -441,15 +443,17 @@ verify_and_execute_payback (struct MHD_Connection
*connection,
}
dki = TEH_KS_denomination_key_lookup_by_hash (key_state,
&coin->denom_pub_hash,
- TEH_KS_DKU_PAYBACK);
+ TEH_KS_DKU_PAYBACK,
+ &ec,
+ &hc);
if (NULL == dki)
{
TEH_KS_release (key_state);
TALER_LOG_WARNING (
"Denomination key in /payback request not in payback mode\n");
- return TEH_RESPONSE_reply_arg_unknown (connection,
-
TALER_EC_PAYBACK_DENOMINATION_KEY_UNKNOWN,
- "denom_pub");
+ return TEH_RESPONSE_reply_with_error (connection,
+ ec,
+ hc);
}
TALER_amount_ntoh (&pc.value,
&dki->issue.properties.value);
diff --git a/src/exchange/taler-exchange-httpd_refresh_melt.c
b/src/exchange/taler-exchange-httpd_refresh_melt.c
index 538d8afe..a00fda14 100644
--- a/src/exchange/taler-exchange-httpd_refresh_melt.c
+++ b/src/exchange/taler-exchange-httpd_refresh_melt.c
@@ -447,6 +447,8 @@ TEH_REFRESH_handler_refresh_melt (struct TEH_RequestHandler
*rh,
json_t *root;
struct RefreshMeltContext rmc;
int res;
+ unsigned int hc;
+ enum TALER_ErrorCode ec;
struct TEH_KS_StateHandle *key_state;
struct GNUNET_JSON_Specification spec[] = {
GNUNET_JSON_spec_fixed_auto ("coin_pub",
@@ -501,7 +503,9 @@ TEH_REFRESH_handler_refresh_melt (struct TEH_RequestHandler
*rh,
rmc.dki = TEH_KS_denomination_key_lookup_by_hash (key_state,
&rmc.refresh_session.coin.
denom_pub_hash,
- TEH_KS_DKU_DEPOSIT);
+ TEH_KS_DKU_DEPOSIT,
+ &ec,
+ &hc);
/* Consider case that denomination was revoked but
this coin was already seen and thus refresh is OK. */
if (NULL == rmc.dki)
@@ -511,7 +515,9 @@ TEH_REFRESH_handler_refresh_melt (struct TEH_RequestHandler
*rh,
dki = TEH_KS_denomination_key_lookup_by_hash (key_state,
&rmc.refresh_session.coin.
denom_pub_hash,
- TEH_KS_DKU_PAYBACK);
+ TEH_KS_DKU_PAYBACK,
+ &ec,
+ &hc);
if (NULL != dki)
{
struct TALER_CoinPublicInfo coin_info;
@@ -547,7 +553,9 @@ TEH_REFRESH_handler_refresh_melt (struct TEH_RequestHandler
*rh,
dki = TEH_KS_denomination_key_lookup_by_hash (key_state,
&rmc.refresh_session.coin.
denom_pub_hash,
- TEH_KS_DKU_ZOMBIE);
+ TEH_KS_DKU_ZOMBIE,
+ &ec,
+ &hc);
if (NULL != dki)
{
rmc.dki = dki;
@@ -558,9 +566,9 @@ TEH_REFRESH_handler_refresh_melt (struct TEH_RequestHandler
*rh,
if (NULL == rmc.dki)
{
TALER_LOG_WARNING ("Unknown denomination key in /refresh/melt request\n");
- res = TEH_RESPONSE_reply_arg_unknown (connection,
-
TALER_EC_REFRESH_MELT_DENOMINATION_KEY_NOT_FOUND,
- "denom_pub");
+ res = TEH_RESPONSE_reply_with_error (connection,
+ ec,
+ hc);
goto cleanup;
}
diff --git a/src/exchange/taler-exchange-httpd_refresh_reveal.c
b/src/exchange/taler-exchange-httpd_refresh_reveal.c
index c1a7b639..be5228dd 100644
--- a/src/exchange/taler-exchange-httpd_refresh_reveal.c
+++ b/src/exchange/taler-exchange-httpd_refresh_reveal.c
@@ -610,6 +610,8 @@ handle_refresh_reveal_json (struct MHD_Connection
*connection,
&dki_h[i]),
GNUNET_JSON_spec_end ()
};
+ unsigned int hc;
+ enum TALER_ErrorCode ec;
res = TEH_PARSE_json_array (connection,
new_denoms_h_json,
@@ -623,13 +625,15 @@ handle_refresh_reveal_json (struct MHD_Connection
*connection,
}
dkis[i] = TEH_KS_denomination_key_lookup_by_hash (key_state,
&dki_h[i],
- TEH_KS_DKU_WITHDRAW);
+ TEH_KS_DKU_WITHDRAW,
+ &ec,
+ &hc);
if (NULL == dkis[i])
{
TEH_KS_release (key_state);
- return TEH_RESPONSE_reply_arg_invalid (connection,
-
TALER_EC_REFRESH_REVEAL_FRESH_DENOMINATION_KEY_NOT_FOUND,
- "new_denoms_h");
+ return TEH_RESPONSE_reply_with_error (connection,
+ ec,
+ hc);
}
GNUNET_assert (NULL != dkis[i]->denom_priv.rsa_private_key);
}
diff --git a/src/exchange/taler-exchange-httpd_refund.c
b/src/exchange/taler-exchange-httpd_refund.c
index 93df54c8..48532a2c 100644
--- a/src/exchange/taler-exchange-httpd_refund.c
+++ b/src/exchange/taler-exchange-httpd_refund.c
@@ -161,6 +161,8 @@ refund_transaction (void *cls,
int deposit_found;
int refund_found;
int fee_cmp;
+ unsigned int hc;
+ enum TALER_ErrorCode ec;
dep = NULL;
ref = NULL;
@@ -354,7 +356,9 @@ refund_transaction (void *cls,
}
dki = TEH_KS_denomination_key_lookup_by_hash (mks,
&dep->coin.denom_pub_hash,
- TEH_KS_DKU_DEPOSIT);
+ TEH_KS_DKU_DEPOSIT,
+ &ec,
+ &hc);
if (NULL == dki)
{
/* DKI not found, but we do have a coin with this DK in our database;
@@ -363,9 +367,9 @@ refund_transaction (void *cls,
TEH_KS_release (mks);
TEH_plugin->free_coin_transaction_list (TEH_plugin->cls,
tl);
- *mhd_ret = TEH_RESPONSE_reply_internal_error (connection,
-
TALER_EC_REFUND_DENOMINATION_KEY_NOT_FOUND,
- "denomination key not
found");
+ *mhd_ret = TEH_RESPONSE_reply_with_error (connection,
+ ec,
+ hc);
return GNUNET_DB_STATUS_HARD_ERROR;
}
TALER_amount_ntoh (&expect_fee,
diff --git a/src/exchange/taler-exchange-httpd_reserve_withdraw.c
b/src/exchange/taler-exchange-httpd_reserve_withdraw.c
index 1199ed67..578aace3 100644
--- a/src/exchange/taler-exchange-httpd_reserve_withdraw.c
+++ b/src/exchange/taler-exchange-httpd_reserve_withdraw.c
@@ -365,6 +365,8 @@ TEH_RESERVE_handler_reserve_withdraw (struct
TEH_RequestHandler *rh,
json_t *root;
int res;
int mhd_ret;
+ unsigned int hc;
+ enum TALER_ErrorCode ec;
struct TALER_Amount amount;
struct TALER_Amount fee_withdraw;
struct GNUNET_JSON_Specification spec[] = {
@@ -407,14 +409,16 @@ TEH_RESERVE_handler_reserve_withdraw (struct
TEH_RequestHandler *rh,
}
wc.dki = TEH_KS_denomination_key_lookup_by_hash (wc.key_state,
&wc.denom_pub_hash,
- TEH_KS_DKU_WITHDRAW);
+ TEH_KS_DKU_WITHDRAW,
+ &ec,
+ &hc);
if (NULL == wc.dki)
{
GNUNET_JSON_parse_free (spec);
TEH_KS_release (wc.key_state);
- return TEH_RESPONSE_reply_arg_unknown (connection,
-
TALER_EC_WITHDRAW_DENOMINATION_KEY_NOT_FOUND,
- "denom_pub");
+ return TEH_RESPONSE_reply_with_error (connection,
+ ec,
+ hc);
}
GNUNET_assert (NULL != wc.dki->denom_priv.rsa_private_key);
TALER_amount_ntoh (&amount,
diff --git a/src/exchange/taler-exchange-httpd_responses.c
b/src/exchange/taler-exchange-httpd_responses.c
index 2e183584..048a8bef 100644
--- a/src/exchange/taler-exchange-httpd_responses.c
+++ b/src/exchange/taler-exchange-httpd_responses.c
@@ -361,6 +361,26 @@ TEH_RESPONSE_reply_internal_error (struct MHD_Connection
*connection,
}
+/**
+ * Send a response indicating an error.
+ *
+ * @param connection the MHD connection to use
+ * @param ec error code uniquely identifying the error
+ * @param http_status HTTP status code to use
+ * @return a MHD result code
+ */
+int
+TEH_RESPONSE_reply_with_error (struct MHD_Connection *connection,
+ enum TALER_ErrorCode ec,
+ unsigned int http_status)
+{
+ return TEH_RESPONSE_reply_json_pack (connection,
+ http_status,
+ "{s:I}",
+ "code", (json_int_t) ec);
+}
+
+
/**
* Send a response indicating an external error.
*
diff --git a/src/exchange/taler-exchange-httpd_responses.h
b/src/exchange/taler-exchange-httpd_responses.h
index 177eaa43..9b6a7885 100644
--- a/src/exchange/taler-exchange-httpd_responses.h
+++ b/src/exchange/taler-exchange-httpd_responses.h
@@ -170,6 +170,20 @@ TEH_RESPONSE_reply_internal_error (struct MHD_Connection
*connection,
const char *hint);
+/**
+ * Send a response indicating an error.
+ *
+ * @param connection the MHD connection to use
+ * @param ec error code uniquely identifying the error
+ * @param http_status HTTP status code to use
+ * @return a MHD result code
+ */
+int
+TEH_RESPONSE_reply_with_error (struct MHD_Connection *connection,
+ enum TALER_ErrorCode ec,
+ unsigned int http_status);
+
+
/**
* Send a response indicating an external error.
*
diff --git a/src/include/taler_error_codes.h b/src/include/taler_error_codes.h
index 4962d5fe..57dbd2db 100644
--- a/src/include/taler_error_codes.h
+++ b/src/include/taler_error_codes.h
@@ -297,6 +297,29 @@ enum TALER_ErrorCode
*/
TALER_EC_WITHDRAW_RESERVE_HISTORY_IMPOSSIBLE = 1113,
+ /**
+ * Validity period of the coin to be withdrawn
+ * is in the future. Returned with an HTTP
+ * status of #MHD_HTTP_PRECONDITION_FAILED.
+ */
+ TALER_EC_WITHDRAW_VALIDITY_IN_FUTURE = 1114,
+
+ /**
+ * Withdraw period of the coin to be withdrawn
+ * is in the past. Returned with an HTTP
+ * status of #MHD_HTTP_GONE.
+ */
+ TALER_EC_WITHDRAW_VALIDITY_IN_PAST = 1115,
+
+ /**
+ * The private key associated with the denomination
+ * key is unknown to the server, possibly because
+ * the key was revoked. Returned with an HTTP
+ * status of #MHD_HTTP_SERVICE_UNAVAILABLE.
+ */
+ TALER_EC_DENOMINATION_KEY_LOST = 1116,
+
+
/**
* The exchange failed to obtain the transaction history of the
* given reserve from the database.
@@ -453,6 +476,20 @@ enum TALER_ErrorCode
*/
TALER_EC_DEPOSIT_INVALID_TIMESTAMP = 1218,
+ /**
+ * Validity period of the denomination key
+ * is in the future. Returned with an HTTP
+ * status of #MHD_HTTP_PRECONDITION_FAILED.
+ */
+ TALER_EC_DEPOSIT_DENOMINATION_VALIDITY_IN_FUTURE = 1219,
+
+ /**
+ * Denomination key of the coin is past the
+ * deposit deadline. Returned with an HTTP
+ * status of #MHD_HTTP_GONE.
+ */
+ TALER_EC_DEPOSIT_DENOMINATION_EXPIRED = 1220,
+
/**
* The respective coin did not have sufficient residual value
@@ -531,6 +568,35 @@ enum TALER_ErrorCode
*/
TALER_EC_REFRESH_MELT_COIN_EXPIRED_NO_ZOMBIE = 1309,
+ /**
+ * The exchange is unaware of the denomination key that was
+ * used to sign the melted zombie coin. This response is provided
+ * with HTTP status code MHD_HTTP_NOT_FOUND.
+ */
+ TALER_EC_REFRESH_PAYBACK_DENOMINATION_KEY_NOT_FOUND = 1301,
+
+ /**
+ * Validity period of the denomination key
+ * is in the future. Returned with an HTTP
+ * status of #MHD_HTTP_PRECONDITION_FAILED.
+ */
+ TALER_EC_REFRESH_PAYBACK_DENOMINATION_VALIDITY_IN_FUTURE = 1301,
+
+ /**
+ * Denomination key of the coin is past the
+ * deposit deadline. Returned with an HTTP
+ * status of #MHD_HTTP_GONE.
+ */
+ TALER_EC_REFRESH_PAYBACK_DENOMINATION_EXPIRED = 1302,
+
+ /**
+ * Denomination key of the coin is past the
+ * deposit deadline. Returned with an HTTP
+ * status of #MHD_HTTP_GONE.
+ */
+ TALER_EC_REFRESH_ZOMBIE_DENOMINATION_EXPIRED = 1303,
+
+
/**
* The provided transfer keys do not match up with the
* original commitment. Information about the original
@@ -921,7 +987,15 @@ enum TALER_ErrorCode
* This response is provided with an HTTP status code of
* MHD_HTTP_INTERNAL_SERVER_ERROR
*/
- TALER_EC_PAYBACK_COIN_BALANCE_NEGATIVE = 1857,
+ TALER_EC_PAYBACK_COIN_BALANCE_NEGATIVE = 1859,
+
+ /**
+ * Validity period of the denomination key
+ * is in the future. Returned with an HTTP
+ * status of #MHD_HTTP_PRECONDITION_FAILED.
+ */
+ TALER_EC_PAYBACK_DENOMINATION_VALIDITY_IN_FUTURE = 1860,
+
/**
* The "have" parameter was not a natural number.
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