diff options
Diffstat (limited to 'src/include')
| -rw-r--r-- | src/include/taler_exchange_service.h | 104 |
1 files changed, 88 insertions, 16 deletions
diff --git a/src/include/taler_exchange_service.h b/src/include/taler_exchange_service.h index 6c3d86ee..3b227fe3 100644 --- a/src/include/taler_exchange_service.h +++ b/src/include/taler_exchange_service.h @@ -1638,6 +1638,72 @@ struct TALER_EXCHANGE_MeltHandle; /** + * Information we obtain per coin during melting. + */ +struct TALER_EXCHANGE_MeltBlindingDetail +{ + /** + * Exchange values contributed to the refresh operation + */ + struct TALER_ExchangeWithdrawValues alg_value; + + /** + * Blinding keys used to blind the fresh coins + */ + union TALER_DenominationBlindingKeyP bks; + +}; + + +/** + * Response returned to a /melt request. + */ +struct TALER_EXCHANGE_MeltResponse +{ + /** + * Full HTTP response details. + */ + struct TALER_EXCHANGE_HttpResponse hr; + + /** + * Parsed response details, variant depending on the + * @e hr.http_status. + */ + union + { + /** + * Results for status #MHD_HTTP_SUCCESS. + */ + struct + { + + /** + * Length of the @a mbds array with the exchange values + * and blinding keys we are using. + */ + unsigned int num_mbds; + + /** + * Information returned per coin. + */ + const struct TALER_EXCHANGE_MeltBlindingDetail *mbds; + + /** + * Key used by the exchange to sign the response. + */ + struct TALER_ExchangePublicKeyP sign_key; + + /** + * Gamma value chosen by the exchange. + */ + uint32_t noreveal_index; + } success; + + } details; +}; + + +/** * Callbacks of this type are used to notify the application about the result * of the /coins/$COIN_PUB/melt stage. If successful, the @a noreveal_index * should be committed to disk prior to proceeding @@ -1650,7 +1716,7 @@ struct TALER_EXCHANGE_MeltHandle; * @param bks array of @a num_coins blinding keys used to blind the fresh coins * @param noreveal_index choice by the exchange in the cut-and-choose protocol, * UINT32_MAX on error - * @param sign_key exchange key used to sign @a full_response, or NULL + * @param sign_key exchange key used to sign the response, or NULL */ typedef void (*TALER_EXCHANGE_MeltCallback) ( @@ -1734,13 +1800,22 @@ struct TALER_EXCHANGE_RevealResult */ struct TALER_EXCHANGE_HttpResponse hr; + /** + * Parsed response details, variant depending on the + * @e hr.http_status. + */ union { + /** + * Results for status #MHD_HTTP_SUCCESS. + */ struct { /** - * Array of @e num_coins values about the - * coins obtained via the refresh operation. + * Array of @e num_coins values about the coins obtained via the refresh + * operation. The array give the coins in the same order (and should + * have the same length) in which the original melt request specified the + * respective denomination keys. */ const struct TALER_EXCHANGE_RevealedCoinInfo *coins; @@ -1759,25 +1834,15 @@ struct TALER_EXCHANGE_RevealResult * Callbacks of this type are used to return the final result of * submitting a refresh request to a exchange. If the operation was * successful, this function returns the signatures over the coins - * that were remelted. The @a coin_privs and @a sigs arrays give the - * coins in the same order (and should have the same length) in which - * the original request specified the respective denomination keys. + * that were remelted. * * @param cls closure - * @param hr HTTP response data - * @param num_coins number of fresh coins created, length of the @a sigs, @a psa 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 psa array of @a num_coins planchet secrets (derived from the transfer secret) for each of the coins - * @param sigs array of signature over @a num_coins coins, NULL on error + * @param rr result of the reveal operation */ typedef void (*TALER_EXCHANGE_RefreshesRevealCallback)( void *cls, - const struct TALER_EXCHANGE_HttpResponse *hr, - unsigned int num_coins, - const struct TALER_CoinSpendPrivateKeyP *coin_privs, - const struct TALER_PlanchetMasterSecretP *psa, - const struct TALER_DenominationSignature *sigs); + const struct TALER_EXCHANGE_RevealResult *rr); /** @@ -1877,8 +1942,15 @@ struct TALER_EXCHANGE_LinkResult */ struct TALER_EXCHANGE_HttpResponse hr; + /** + * Parsed response details, variant depending on the + * @e hr.http_status. + */ union { + /** + * Results for status #MHD_HTTP_SUCCESS. + */ struct { /** |