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logic of execute_refresh_commit is now clean

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This commit is contained in:
Christian Grothoff 2015-01-29 20:18:04 +01:00
parent 090ddf170b
commit fa7f190745
4 changed files with 404 additions and 317 deletions
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55
src/mint/mint.h
View File

@ -26,7 +26,6 @@
#include <jansson.h>
#include "taler_util.h"
/**
* For now, we just do EUR. Should become configurable
* in the future!
@ -34,58 +33,4 @@
#define MINT_CURRENCY "EUR"
/**
* For each (old) coin being melted, we have a `struct
* RefreshCommitLink` that allows the user to find the shared secret
* to decrypt the respective refresh links for the new coins in the
* `struct RefreshCommitCoin`.
*/
struct RefreshCommitLink
{
/**
* Transfer public key (FIXME: explain!)
*/
struct GNUNET_CRYPTO_EcdsaPublicKey transfer_pub;
/**
* Encrypted shared secret to decrypt the link.
*/
struct TALER_EncryptedLinkSecret shared_secret_enc;
};
/**
* We have as many `struct RefreshCommitCoin` as there are new
* coins being created by the refresh.
*/
struct RefreshCommitCoin
{
/**
* Encrypted data allowing those able to decrypt it to derive
* the private keys of the new coins created by the refresh.
*/
struct TALER_RefreshLinkEncrypted *refresh_link;
/**
* Blinded message to be signed (in envelope), with @e coin_env_size bytes.
*/
char *coin_ev;
/**
* Number of bytes in @e coin_ev.
*/
size_t coin_ev_size;
};
#endif /* _MINT_H */

454
src/mint/mint_db.c
View File

@ -818,209 +818,6 @@ TALER_MINT_DB_upsert_known_coin (PGconn *db_conn,
}
/**
* Store the commitment to the given (encrypted) refresh link data
* for the given refresh session.
*
* @param db_conn database connection to use
* @param refresh_session_pub public key of the refresh session this
* commitment belongs with
* @param i
* @param j
* @param commit_link link information to store
* @return #GNUNET_SYSERR on internal error, #GNUNET_OK on success
*/
int
TALER_MINT_DB_insert_refresh_commit_link (PGconn *db_conn,
const struct GNUNET_CRYPTO_EddsaPublicKey *refresh_session_pub,
int i, int j,
const struct RefreshCommitLink *commit_link)
{
uint16_t cnc_index_nbo = htons (i);
uint16_t oldcoin_index_nbo = htons (j);
struct TALER_DB_QueryParam params[] = {
TALER_DB_QUERY_PARAM_PTR(refresh_session_pub),
TALER_DB_QUERY_PARAM_PTR(&commit_link->transfer_pub),
TALER_DB_QUERY_PARAM_PTR(&cnc_index_nbo),
TALER_DB_QUERY_PARAM_PTR(&oldcoin_index_nbo),
TALER_DB_QUERY_PARAM_PTR(&commit_link->shared_secret_enc),
TALER_DB_QUERY_PARAM_END
};
PGresult *result = TALER_DB_exec_prepared (db_conn,
"insert_refresh_commit_link",
params);
if (PGRES_COMMAND_OK != PQresultStatus (result))
{
break_db_err (result);
PQclear (result);
return GNUNET_SYSERR;
}
if (0 != strcmp ("1", PQcmdTuples (result)))
{
GNUNET_break (0);
return GNUNET_SYSERR;
}
PQclear (result);
return GNUNET_OK;
}
int
TALER_MINT_DB_get_refresh_commit_link (PGconn *db_conn,
const struct GNUNET_CRYPTO_EddsaPublicKey *refresh_session_pub,
int cnc_index,
int oldcoin_index,
struct RefreshCommitLink *cc)
{
uint16_t cnc_index_nbo = htons (cnc_index);
uint16_t oldcoin_index_nbo = htons (oldcoin_index);
struct TALER_DB_QueryParam params[] = {
TALER_DB_QUERY_PARAM_PTR(refresh_session_pub),
TALER_DB_QUERY_PARAM_PTR(&cnc_index_nbo),
TALER_DB_QUERY_PARAM_PTR(&oldcoin_index_nbo),
TALER_DB_QUERY_PARAM_END
};
PGresult *result = TALER_DB_exec_prepared (db_conn,
"get_refresh_commit_link",
params);
if (PGRES_TUPLES_OK != PQresultStatus (result))
{
break_db_err (result);
PQclear (result);
return GNUNET_SYSERR;
}
if (0 == PQntuples (result))
{
PQclear (result);
return GNUNET_NO;
}
struct TALER_DB_ResultSpec rs[] = {
TALER_DB_RESULT_SPEC("transfer_pub", &cc->transfer_pub),
TALER_DB_RESULT_SPEC("link_secret_enc", &cc->shared_secret_enc),
TALER_DB_RESULT_SPEC_END
};
if (GNUNET_YES != TALER_DB_extract_result (result, rs, 0))
{
PQclear (result);
GNUNET_free (cc);
return GNUNET_SYSERR;
}
PQclear (result);
return GNUNET_OK;
}
int
TALER_MINT_DB_insert_refresh_commit_coin (PGconn *db_conn,
const struct GNUNET_CRYPTO_EddsaPublicKey *refresh_session_pub,
int i, int j,
const struct RefreshCommitCoin *commit_coin)
{
uint16_t cnc_index_nbo = htons (i);
uint16_t newcoin_index_nbo = htons (j);
struct TALER_DB_QueryParam params[] = {
TALER_DB_QUERY_PARAM_PTR(refresh_session_pub),
TALER_DB_QUERY_PARAM_PTR_SIZED(commit_coin->coin_ev, commit_coin->coin_ev_size),
TALER_DB_QUERY_PARAM_PTR(&cnc_index_nbo),
TALER_DB_QUERY_PARAM_PTR(&newcoin_index_nbo),
TALER_DB_QUERY_PARAM_PTR_SIZED(commit_coin->refresh_link->coin_priv_enc,
commit_coin->refresh_link->blinding_key_enc_size +
sizeof (struct GNUNET_CRYPTO_EcdsaPrivateKey)),
TALER_DB_QUERY_PARAM_END
};
PGresult *result = TALER_DB_exec_prepared (db_conn, "insert_refresh_commit_coin", params);
if (PGRES_COMMAND_OK != PQresultStatus (result))
{
break_db_err (result);
PQclear (result);
return GNUNET_SYSERR;
}
if (0 != strcmp ("1", PQcmdTuples (result)))
{
GNUNET_break (0);
return GNUNET_SYSERR;
}
PQclear (result);
return GNUNET_OK;
}
int
TALER_MINT_DB_get_refresh_commit_coin (PGconn *db_conn,
const struct GNUNET_CRYPTO_EddsaPublicKey *refresh_session_pub,
int cnc_index,
int newcoin_index,
struct RefreshCommitCoin *cc)
{
uint16_t cnc_index_nbo = htons (cnc_index);
uint16_t newcoin_index_nbo = htons (newcoin_index);
struct TALER_DB_QueryParam params[] = {
TALER_DB_QUERY_PARAM_PTR(refresh_session_pub),
TALER_DB_QUERY_PARAM_PTR(&cnc_index_nbo),
TALER_DB_QUERY_PARAM_PTR(&newcoin_index_nbo),
TALER_DB_QUERY_PARAM_END
};
char *c_buf;
size_t c_buf_size;
char *rl_buf;
size_t rl_buf_size;
struct TALER_RefreshLinkEncrypted *rl;
PGresult *result = TALER_DB_exec_prepared (db_conn, "get_refresh_commit_coin", params);
if (PGRES_TUPLES_OK != PQresultStatus (result))
{
break_db_err (result);
PQclear (result);
return GNUNET_SYSERR;
}
if (0 == PQntuples (result))
{
PQclear (result);
return GNUNET_NO;
}
struct TALER_DB_ResultSpec rs[] = {
TALER_DB_RESULT_SPEC_VAR("coin_ev", &c_buf, &c_buf_size),
TALER_DB_RESULT_SPEC_VAR("link_vector_enc", &rl_buf, &rl_buf_size),
TALER_DB_RESULT_SPEC_END
};
if (GNUNET_YES != TALER_DB_extract_result (result, rs, 0))
{
PQclear (result);
return GNUNET_SYSERR;
}
PQclear (result);
if (rl_buf_size < sizeof (struct GNUNET_CRYPTO_EcdsaPrivateKey))
{
GNUNET_free (c_buf);
GNUNET_free (rl_buf);
return GNUNET_SYSERR;
}
rl = TALER_refresh_link_encrypted_decode (rl_buf,
rl_buf_size);
GNUNET_free (rl_buf);
cc->refresh_link = rl;
cc->coin_ev = c_buf;
cc->coin_ev_size = c_buf_size;
return GNUNET_YES;
}
struct GNUNET_CRYPTO_rsa_PublicKey *
TALER_MINT_DB_get_refresh_order (PGconn *db_conn,
uint16_t newcoin_index,
@ -2028,6 +1825,257 @@ TALER_MINT_DB_get_refresh_melt (PGconn *db_conn,
}
/**
* Store information about the commitment of the
* given coin for the given refresh session in the database.
*
* @param db_conn database connection to use
* @param refresh_session_pub refresh session this commitment belongs to
* @param i set index (1st dimension)
* @param j coin index (2nd dimension), corresponds to refreshed (new) coins
* @param commit_coin coin commitment to store
* @return #GNUNET_OK on success
* #GNUNET_SYSERR on error
*/
int
TALER_MINT_DB_insert_refresh_commit_coin (PGconn *db_conn,
const struct GNUNET_CRYPTO_EddsaPublicKey *refresh_session_pub,
unsigned int i,
unsigned int j,
const struct RefreshCommitCoin *commit_coin)
{
// FIXME: check logic!
uint16_t cnc_index_nbo = htons (i);
uint16_t newcoin_index_nbo = htons (j);
struct TALER_DB_QueryParam params[] = {
TALER_DB_QUERY_PARAM_PTR(refresh_session_pub),
TALER_DB_QUERY_PARAM_PTR_SIZED(commit_coin->coin_ev, commit_coin->coin_ev_size),
TALER_DB_QUERY_PARAM_PTR(&cnc_index_nbo),
TALER_DB_QUERY_PARAM_PTR(&newcoin_index_nbo),
TALER_DB_QUERY_PARAM_PTR_SIZED(commit_coin->refresh_link->coin_priv_enc,
commit_coin->refresh_link->blinding_key_enc_size +
sizeof (struct GNUNET_CRYPTO_EcdsaPrivateKey)),
TALER_DB_QUERY_PARAM_END
};
PGresult *result = TALER_DB_exec_prepared (db_conn, "insert_refresh_commit_coin", params);
if (PGRES_COMMAND_OK != PQresultStatus (result))
{
break_db_err (result);
PQclear (result);
return GNUNET_SYSERR;
}
if (0 != strcmp ("1", PQcmdTuples (result)))
{
GNUNET_break (0);
return GNUNET_SYSERR;
}
PQclear (result);
return GNUNET_OK;
}
/**
* Obtain information about the commitment of the
* given coin of the given refresh session from the database.
*
* @param db_conn database connection to use
* @param refresh_session_pub refresh session the commitment belongs to
* @param i set index (1st dimension)
* @param j coin index (2nd dimension), corresponds to refreshed (new) coins
* @param commit_coin[OUT] coin commitment to return
* @return #GNUNET_OK on success
* #GNUNET_NO if not found
* #GNUNET_SYSERR on error
*/
int
TALER_MINT_DB_get_refresh_commit_coin (PGconn *db_conn,
const struct GNUNET_CRYPTO_EddsaPublicKey *refresh_session_pub,
unsigned int cnc_index,
unsigned int newcoin_index,
struct RefreshCommitCoin *cc)
{
// FIXME: check logic!
uint16_t cnc_index_nbo = htons (cnc_index);
uint16_t newcoin_index_nbo = htons (newcoin_index);
struct TALER_DB_QueryParam params[] = {
TALER_DB_QUERY_PARAM_PTR(refresh_session_pub),
TALER_DB_QUERY_PARAM_PTR(&cnc_index_nbo),
TALER_DB_QUERY_PARAM_PTR(&newcoin_index_nbo),
TALER_DB_QUERY_PARAM_END
};
char *c_buf;
size_t c_buf_size;
char *rl_buf;
size_t rl_buf_size;
struct TALER_RefreshLinkEncrypted *rl;
PGresult *result = TALER_DB_exec_prepared (db_conn, "get_refresh_commit_coin", params);
if (PGRES_TUPLES_OK != PQresultStatus (result))
{
break_db_err (result);
PQclear (result);
return GNUNET_SYSERR;
}
if (0 == PQntuples (result))
{
PQclear (result);
return GNUNET_NO;
}
struct TALER_DB_ResultSpec rs[] = {
TALER_DB_RESULT_SPEC_VAR("coin_ev", &c_buf, &c_buf_size),
TALER_DB_RESULT_SPEC_VAR("link_vector_enc", &rl_buf, &rl_buf_size),
TALER_DB_RESULT_SPEC_END
};
if (GNUNET_YES != TALER_DB_extract_result (result, rs, 0))
{
PQclear (result);
return GNUNET_SYSERR;
}
PQclear (result);
if (rl_buf_size < sizeof (struct GNUNET_CRYPTO_EcdsaPrivateKey))
{
GNUNET_free (c_buf);
GNUNET_free (rl_buf);
return GNUNET_SYSERR;
}
rl = TALER_refresh_link_encrypted_decode (rl_buf,
rl_buf_size);
GNUNET_free (rl_buf);
cc->refresh_link = rl;
cc->coin_ev = c_buf;
cc->coin_ev_size = c_buf_size;
return GNUNET_YES;
}
/**
* Store the commitment to the given (encrypted) refresh link data
* for the given refresh session.
*
* @param db_conn database connection to use
* @param refresh_session_pub public key of the refresh session this
* commitment belongs with
* @param i set index (1st dimension)
* @param j coin index (2nd dimension), corresponds to melted (old) coins
* @param commit_link link information to store
* @return #GNUNET_SYSERR on internal error, #GNUNET_OK on success
*/
int
TALER_MINT_DB_insert_refresh_commit_link (PGconn *db_conn,
const struct GNUNET_CRYPTO_EddsaPublicKey *refresh_session_pub,
unsigned int i,
unsigned int j,
const struct RefreshCommitLink *commit_link)
{
// FIXME: check logic!
uint16_t cnc_index_nbo = htons (i);
uint16_t oldcoin_index_nbo = htons (j);
struct TALER_DB_QueryParam params[] = {
TALER_DB_QUERY_PARAM_PTR(refresh_session_pub),
TALER_DB_QUERY_PARAM_PTR(&commit_link->transfer_pub),
TALER_DB_QUERY_PARAM_PTR(&cnc_index_nbo),
TALER_DB_QUERY_PARAM_PTR(&oldcoin_index_nbo),
TALER_DB_QUERY_PARAM_PTR(&commit_link->shared_secret_enc),
TALER_DB_QUERY_PARAM_END
};
PGresult *result = TALER_DB_exec_prepared (db_conn,
"insert_refresh_commit_link",
params);
if (PGRES_COMMAND_OK != PQresultStatus (result))
{
break_db_err (result);
PQclear (result);
return GNUNET_SYSERR;
}
if (0 != strcmp ("1", PQcmdTuples (result)))
{
GNUNET_break (0);
return GNUNET_SYSERR;
}
PQclear (result);
return GNUNET_OK;
}
/**
* Obtain the commited (encrypted) refresh link data
* for the given refresh session.
*
* @param db_conn database connection to use
* @param refresh_session_pub public key of the refresh session this
* commitment belongs with
* @param i set index (1st dimension)
* @param j coin index (2nd dimension), corresponds to melted (old) coins
* @param cc[OUT] link information to return
* @return #GNUNET_SYSERR on internal error,
* #GNUNET_NO if commitment was not found
* #GNUNET_OK on success
*/
int
TALER_MINT_DB_get_refresh_commit_link (PGconn *db_conn,
const struct GNUNET_CRYPTO_EddsaPublicKey *refresh_session_pub,
unsigned int cnc_index,
unsigned int oldcoin_index,
struct RefreshCommitLink *cc)
{
// FIXME: check logic!
uint16_t cnc_index_nbo = htons (cnc_index);
uint16_t oldcoin_index_nbo = htons (oldcoin_index);
struct TALER_DB_QueryParam params[] = {
TALER_DB_QUERY_PARAM_PTR(refresh_session_pub),
TALER_DB_QUERY_PARAM_PTR(&cnc_index_nbo),
TALER_DB_QUERY_PARAM_PTR(&oldcoin_index_nbo),
TALER_DB_QUERY_PARAM_END
};
PGresult *result = TALER_DB_exec_prepared (db_conn,
"get_refresh_commit_link",
params);
if (PGRES_TUPLES_OK != PQresultStatus (result))
{
break_db_err (result);
PQclear (result);
return GNUNET_SYSERR;
}
if (0 == PQntuples (result))
{
PQclear (result);
return GNUNET_NO;
}
struct TALER_DB_ResultSpec rs[] = {
TALER_DB_RESULT_SPEC("transfer_pub", &cc->transfer_pub),
TALER_DB_RESULT_SPEC("link_secret_enc", &cc->shared_secret_enc),
TALER_DB_RESULT_SPEC_END
};
if (GNUNET_YES != TALER_DB_extract_result (result, rs, 0))
{
PQclear (result);
GNUNET_free (cc);
return GNUNET_SYSERR;
}
PQclear (result);
return GNUNET_OK;
}
/**
* Compile a list of all (historic) transactions performed
* with the given coin (/refresh/melt and /deposit operations).

170
src/mint/mint_db.h
View File

@ -86,45 +86,8 @@ TALER_MINT_DB_insert_known_coin (PGconn *db_conn,
/**
* Store the commitment to the given (encrypted) refresh link data
* for the given refresh session.
*
* @param db_conn database connection to use
* @param refresh_session_pub public key of the refresh session this
* commitment belongs with
* @param i
* @param j
* @param commit_link link information to store
* @return #GNUNET_SYSERR on internal error, #GNUNET_OK on success
*/
int
TALER_MINT_DB_insert_refresh_commit_link (PGconn *db_conn,
const struct GNUNET_CRYPTO_EddsaPublicKey *refresh_session_pub,
int i, int j,
const struct RefreshCommitLink *commit_link);
int
TALER_MINT_DB_get_refresh_commit_link (PGconn *db_conn,
const struct GNUNET_CRYPTO_EddsaPublicKey *refresh_session_pub,
int i, int j,
struct RefreshCommitLink *cc);
int
TALER_MINT_DB_insert_refresh_commit_coin (PGconn *db_conn,
const struct GNUNET_CRYPTO_EddsaPublicKey *refresh_session_pub,
int i,
int j,
const struct RefreshCommitCoin *commit_coin);
int
TALER_MINT_DB_get_refresh_commit_coin (PGconn *db_conn,
const struct GNUNET_CRYPTO_EddsaPublicKey *refresh_session_pub,
int i, int j,
struct RefreshCommitCoin *commit_coin);
struct GNUNET_CRYPTO_rsa_PublicKey *
@ -694,6 +657,136 @@ TALER_MINT_DB_get_refresh_melt (PGconn *db_conn,
struct RefreshMelt *melt);
/**
* We have as many `struct RefreshCommitCoin` as there are new
* coins being created by the refresh (for each of the kappa
* sets). These are the coins we ask the mint to sign if the
* respective set is selected.
*/
struct RefreshCommitCoin
{
/**
* Encrypted data allowing those able to decrypt it to derive
* the private keys of the new coins created by the refresh.
*/
struct TALER_RefreshLinkEncrypted *refresh_link;
/**
* Blinded message to be signed (in envelope), with @e coin_env_size bytes.
*/
char *coin_ev;
/**
* Number of bytes in @e coin_ev.
*/
size_t coin_ev_size;
};
/**
* Store information about the commitment of the
* given coin for the given refresh session in the database.
*
* @param db_conn database connection to use
* @param refresh_session_pub refresh session this commitment belongs to
* @param i set index (1st dimension)
* @param j coin index (2nd dimension), corresponds to refreshed (new) coins
* @param commit_coin coin commitment to store
* @return #GNUNET_OK on success
* #GNUNET_SYSERR on error
*/
int
TALER_MINT_DB_insert_refresh_commit_coin (PGconn *db_conn,
const struct GNUNET_CRYPTO_EddsaPublicKey *refresh_session_pub,
unsigned int i,
unsigned int j,
const struct RefreshCommitCoin *commit_coin);
/**
* Obtain information about the commitment of the
* given coin of the given refresh session from the database.
*
* @param db_conn database connection to use
* @param refresh_session_pub refresh session the commitment belongs to
* @param i set index (1st dimension)
* @param j coin index (2nd dimension), corresponds to refreshed (new) coins
* @param commit_coin[OUT] coin commitment to return
* @return #GNUNET_OK on success
* #GNUNET_NO if not found
* #GNUNET_SYSERR on error
*/
int
TALER_MINT_DB_get_refresh_commit_coin (PGconn *db_conn,
const struct GNUNET_CRYPTO_EddsaPublicKey *refresh_session_pub,
unsigned int i,
unsigned int j,
struct RefreshCommitCoin *commit_coin);
/**
* For each (old) coin being melted, we have a `struct
* RefreshCommitLink` that allows the user to find the shared secret
* to decrypt the respective refresh links for the new coins in the
* `struct RefreshCommitCoin`.
*/
struct RefreshCommitLink
{
/**
* Transfer public key (FIXME: explain!)
*/
struct GNUNET_CRYPTO_EcdsaPublicKey transfer_pub;
/**
* Encrypted shared secret to decrypt the link.
*/
struct TALER_EncryptedLinkSecret shared_secret_enc;
};
/**
* Store the commitment to the given (encrypted) refresh link data
* for the given refresh session.
*
* @param db_conn database connection to use
* @param refresh_session_pub public key of the refresh session this
* commitment belongs with
* @param i set index (1st dimension)
* @param j coin index (2nd dimension), corresponds to melted (old) coins
* @param commit_link link information to store
* @return #GNUNET_SYSERR on internal error, #GNUNET_OK on success
*/
int
TALER_MINT_DB_insert_refresh_commit_link (PGconn *db_conn,
const struct GNUNET_CRYPTO_EddsaPublicKey *refresh_session_pub,
unsigned int i,
unsigned int j,
const struct RefreshCommitLink *commit_link);
/**
* Obtain the commited (encrypted) refresh link data
* for the given refresh session.
*
* @param db_conn database connection to use
* @param refresh_session_pub public key of the refresh session this
* commitment belongs with
* @param i set index (1st dimension)
* @param j coin index (2nd dimension), corresponds to melted (old) coins
* @param cc[OUT] link information to return
* @return #GNUNET_SYSERR on internal error,
* #GNUNET_NO if commitment was not found
* #GNUNET_OK on success
*/
int
TALER_MINT_DB_get_refresh_commit_link (PGconn *db_conn,
const struct GNUNET_CRYPTO_EddsaPublicKey *refresh_session_pub,
unsigned int i,
unsigned int j,
struct RefreshCommitLink *cc);
/**
* Specification for a /lock operation.
*/
@ -833,7 +926,4 @@ TALER_MINT_DB_free_coin_transaction_list (struct TALER_MINT_DB_TransactionList *
#endif /* _NEURO_MINT_DB_H */

32
src/mint/taler-mint-httpd_db.c
View File

@ -790,6 +790,14 @@ TALER_MINT_db_execute_refresh_commit (struct MHD_Connection *connection,
return TALER_MINT_reply_arg_invalid (connection,
"session_pub");
}
if ( (refresh_session.kappa != kappa) ||
(refresh_session.num_newcoins != num_newcoins) ||
(refresh_session.num_oldcoins != num_oldcoins) )
{
TALER_MINT_DB_rollback (db_conn);
return TALER_MINT_reply_arg_invalid (connection,
"dimensions");
}
if (GNUNET_YES == refresh_session.has_commit_sig)
{
TALER_MINT_DB_rollback (db_conn);
@ -797,14 +805,9 @@ TALER_MINT_db_execute_refresh_commit (struct MHD_Connection *connection,
&refresh_session);
return (GNUNET_SYSERR == res) ? MHD_NO : MHD_YES;
}
// FIXME: this should check that kappa and num_newcoins match
// our expectations from refresh_session!
for (i = 0; i < refresh_session.kappa; i++)
for (i = 0; i < kappa; i++)
{
for (j = 0; j < refresh_session.num_newcoins; j++)
for (j = 0; j < num_newcoins; j++)
{
if (GNUNET_OK !=
TALER_MINT_DB_insert_refresh_commit_coin (db_conn,
@ -813,12 +816,15 @@ TALER_MINT_db_execute_refresh_commit (struct MHD_Connection *connection,
j,
&commit_coin[i][j]))
{
// FIXME: return 'internal error'?
GNUNET_break (0);
TALER_MINT_DB_rollback (db_conn);
return MHD_NO;
return TALER_MINT_reply_internal_db_error (connection);
}
}
}
for (i = 0; i < kappa; i++)
{
for (j = 0; j < num_oldcoins; j++)
{
if (GNUNET_OK !=
TALER_MINT_DB_insert_refresh_commit_link (db_conn,
refresh_session_pub,
@ -826,10 +832,8 @@ TALER_MINT_db_execute_refresh_commit (struct MHD_Connection *connection,
j,
&commit_link[i][j]))
{
// FIXME: return 'internal error'?
GNUNET_break (0);
TALER_MINT_DB_rollback (db_conn);
return MHD_NO;
return TALER_MINT_reply_internal_db_error (connection);
}
}
}