diff options
Diffstat (limited to 'src/include')
| -rw-r--r-- | src/include/taler_exchangedb_plugin.h | 166 |
1 files changed, 166 insertions, 0 deletions
diff --git a/src/include/taler_exchangedb_plugin.h b/src/include/taler_exchangedb_plugin.h index b1686ab65..57254787c 100644 --- a/src/include/taler_exchangedb_plugin.h +++ b/src/include/taler_exchangedb_plugin.h @@ -294,6 +294,105 @@ struct TALER_EXCHANGEDB_DenominationKeyMetaData /** + * Signature of a function called with information about the exchange's + * denomination keys. + * + * @param cls closure with a `struct TEH_KeyStateHandle *` + * @param denom_pub public key of the denomination + * @param h_denom_pub hash of @a denom_pub + * @param meta meta data information about the denomination type (value, expirations, fees) + * @param master_sig master signature affirming the validity of this denomination + * @param recoup_possible true if the key was revoked and clients can currently recoup + * coins of this denomination + */ +typedef void +(*TALER_EXCHANGEDB_DenominationsCallback)( + void *cls, + const struct TALER_DenominationPublicKey *denom_pub, + const struct GNUNET_HashCode *h_denom_pub, + const struct TALER_EXCHANGEDB_DenominationKeyMetaData *meta, + const struct TALER_MasterSignatureP *master_sig, + bool recoup_possible); + + +/** + * Meta data about an exchange online signing key. + */ +struct TALER_EXCHANGEDB_SignkeyMetaData +{ + /** + * Start time of the validity period for this key. + */ + struct GNUNET_TIME_Absolute start; + + /** + * The exchange will sign messages with this key between @e start and this time. + */ + struct GNUNET_TIME_Absolute expire_sign; + + /** + * When do signatures with this sign key become invalid? + * After this point, these signatures cannot be used in (legal) + * disputes anymore, as the Exchange is then allowed to destroy its side + * of the evidence. @e expire_legal is expected to be significantly + * larger than @e expire_sign (by a year or more). + */ + struct GNUNET_TIME_Absolute expire_legal; + +}; + + +/** + * Signature of a function called with information about the exchange's + * online signing keys. + * + * @param cls closure with a `struct TEH_KeyStateHandle *` + * @param exchange_pub public key of the exchange + * @param meta meta data information about the signing type (expirations) + * @param master_sig master signature affirming the validity of this denomination + */ +typedef void +(*TALER_EXCHANGEDB_ActiveSignkeysCallback)( + void *cls, + const struct TALER_ExchangePublicKeyP *exchange_pub, + const struct TALER_EXCHANGEDB_SignkeyMetaData *meta, + const struct TALER_MasterSignatureP *master_sig); + + +/** + * Function called with information about the exchange's auditors. + * + * @param cls closure with a `struct TEH_KeyStateHandle *` + * @param auditor_pub the public key of the auditor + * @param auditor_url URL of the REST API of the auditor + * @param auditor_name human readable official name of the auditor + */ +typedef void +(*TALER_EXCHANGEDB_AuditorsCallback)( + void *cls, + const struct TALER_AuditorPublicKeyP *auditor_pub, + const char *auditor_url, + const char *auditor_name); + + +/** + * Function called with information about the denominations + * audited by the exchange's auditors. + * + * @param cls closure with a `struct TEH_KeyStateHandle *` + * @param auditor_pub the public key of an auditor + * @param h_denom_pub hash of a denomination key audited by this auditor + * @param auditor_sig signature from the auditor affirming this + */ +typedef void +(*TALER_EXCHANGEDB_AuditorDenominationsCallback)( + void *cls, + const struct TALER_AuditorPublicKeyP *auditor_pub, + const struct GNUNET_HashCode *h_denom_pub, + const struct TALER_AuditorSignatureP *auditor_sig); + + +/** * @brief Information we keep for a withdrawn coin to reproduce * the /withdraw operation if needed, and to have proof * that a reserve was drained by this amount. @@ -1778,6 +1877,73 @@ struct TALER_EXCHANGEDB_Plugin TALER_EXCHANGEDB_DenominationCallback cb, void *cb_cls); + + /** + * Function called to invoke @a cb on every known denomination key (revoked + * and non-revoked) that has been signed by the master key. Runs in its own + * read-only transaction (hence no session provided). + * + * @param cls the @e cls of this struct with the plugin-specific state + * @param cb function to call on each denomination key + * @param cb_cls closure for @a cb + * @return transaction status code + */ + enum GNUNET_DB_QueryStatus + (*iterate_denominations)(void *cls, + TALER_EXCHANGEDB_DenominationsCallback cb, + void *cb_cls); + + /** + * Function called to invoke @a cb on every non-revoked exchange signing key + * that has been signed by the master key. Revoked and (for signing!) + * expired keys are skipped. Runs in its own read-only transaction (hence no + * session provided). + * + * @param cls the @e cls of this struct with the plugin-specific state + * @param cb function to call on each signing key + * @param cb_cls closure for @a cb + * @return transaction status code + */ + enum GNUNET_DB_QueryStatus + (*iterate_active_signkeys)(void *cls, + TALER_EXCHANGEDB_ActiveSignkeysCallback cb, + void *cb_cls); + + + /** + * Function called to invoke @a cb on every active auditor. Disabled + * auditors are skipped. Runs in its own read-only transaction (hence no + * session provided). + * + * @param cls the @e cls of this struct with the plugin-specific state + * @param cb function to call on each active auditor + * @param cb_cls closure for @a cb + * @return transaction status code + */ + enum GNUNET_DB_QueryStatus + (*iterate_active_auditors)(void *cls, + TALER_EXCHANGEDB_AuditorsCallback cb, + void *cb_cls); + + + /** + * Function called to invoke @a cb on every denomination with an active + * auditor. Disabled auditors and denominations without auditor are + * skipped. Runs in its own read-only transaction (hence no session + * provided). + * + * @param cls the @e cls of this struct with the plugin-specific state + * @param cb function to call on each active auditor-denomination pair + * @param cb_cls closure for @a cb + * @return transaction status code + */ + enum GNUNET_DB_QueryStatus + (*iterate_auditor_denominations)( + void *cls, + TALER_EXCHANGEDB_AuditorDenominationsCallback cb, + void *cb_cls); + + /** * Get the summary of a reserve. * |