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Diffstat (limited to 'src/mint/mint.h')
| -rw-r--r-- | src/mint/mint.h | 198 |
1 files changed, 198 insertions, 0 deletions
diff --git a/src/mint/mint.h b/src/mint/mint.h new file mode 100644 index 000000000..5adce03c6 --- /dev/null +++ b/src/mint/mint.h @@ -0,0 +1,198 @@ +/* + This file is part of TALER + (C) 2014 Christian Grothoff (and other contributing authors) + + TALER is free software; you can redistribute it and/or modify it under the + terms of the GNU General Public License as published by the Free Software + Foundation; either version 3, or (at your option) any later version. + + TALER is distributed in the hope that it will be useful, but WITHOUT ANY + WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR + A PARTICULAR PURPOSE. See the GNU General Public License for more details. + + You should have received a copy of the GNU General Public License along with + TALER; see the file COPYING. If not, If not, see <http://www.gnu.org/licenses/> +*/ + +/** + * @file taler_mint.h + * @brief Common functionality for the mint + * @author Florian Dold + * @author Benedikt Mueller + */ + +#ifndef _MINT_H +#define _MINT_H + +#include <gnunet/gnunet_util_lib.h> +#include <gnunet/gnunet_common.h> +#include <libpq-fe.h> +#include "taler_util.h" +#include "taler_rsa.h" + +#define DIR_SIGNKEYS "signkeys" +#define DIR_DENOMKEYS "denomkeys" + + +GNUNET_NETWORK_STRUCT_BEGIN + + +/** + * FIXME + */ +struct TALER_MINT_SignKeyIssue +{ + struct GNUNET_CRYPTO_EddsaPrivateKey signkey_priv; + struct GNUNET_CRYPTO_EddsaSignature signature; + struct GNUNET_CRYPTO_EccSignaturePurpose purpose; + struct GNUNET_CRYPTO_EddsaPublicKey master_pub; + struct GNUNET_TIME_AbsoluteNBO start; + struct GNUNET_TIME_AbsoluteNBO expire; + struct GNUNET_CRYPTO_EddsaPublicKey signkey_pub; +}; + +struct TALER_MINT_DenomKeyIssue +{ + /** + * The private key of the denomination. Will be NULL if the private key is + * not available. + */ + struct TALER_RSA_PrivateKey *denom_priv; + struct GNUNET_CRYPTO_EddsaSignature signature; + struct GNUNET_CRYPTO_EccSignaturePurpose purpose; + struct GNUNET_CRYPTO_EddsaPublicKey master; + struct GNUNET_TIME_AbsoluteNBO start; + struct GNUNET_TIME_AbsoluteNBO expire_withdraw; + struct GNUNET_TIME_AbsoluteNBO expire_spend; + struct TALER_RSA_PublicKeyBinaryEncoded denom_pub; + struct TALER_AmountNBO value; + struct TALER_AmountNBO fee_withdraw; + struct TALER_AmountNBO fee_deposit; + struct TALER_AmountNBO fee_refresh; +}; + +struct RefreshMeltSignatureBody +{ + struct GNUNET_CRYPTO_EccSignaturePurpose purpose; + struct GNUNET_HashCode melt_hash; +}; + +struct RefreshCommitSignatureBody +{ + struct GNUNET_CRYPTO_EccSignaturePurpose purpose; + struct GNUNET_HashCode commit_hash; +}; + +struct RefreshCommitResponseSignatureBody +{ + struct GNUNET_CRYPTO_EccSignaturePurpose purpose; + uint16_t noreveal_index; +}; + +struct RefreshMeltResponseSignatureBody +{ + struct GNUNET_CRYPTO_EccSignaturePurpose purpose; + struct GNUNET_HashCode melt_response_hash; +}; + + +struct RefreshMeltConfirmSignRequestBody +{ + struct GNUNET_CRYPTO_EccSignaturePurpose purpose; + struct GNUNET_CRYPTO_EddsaPublicKey session_pub; +}; + + +GNUNET_NETWORK_STRUCT_END + + + +/** + * Iterator for sign keys. + * + * @param cls closure + * @param ski the sign key issue + * @return #GNUNET_OK to continue to iterate, + * #GNUNET_NO to stop iteration with no error, + * #GNUNET_SYSERR to abort iteration with error! + */ +typedef int (*TALER_MINT_SignkeyIterator)(void *cls, + const struct TALER_MINT_SignKeyIssue *ski); + +/** + * Iterator for denomination keys. + * + * @param cls closure + * @param dki the denomination key issue + * @param alias coin alias + * @return #GNUNET_OK to continue to iterate, + * #GNUNET_NO to stop iteration with no error, + * #GNUNET_SYSERR to abort iteration with error! + */ +typedef int (*TALER_MINT_DenomkeyIterator)(void *cls, + const char *alias, + const struct TALER_MINT_DenomKeyIssue *dki); + + + +/** + * FIXME + */ +int +TALER_MINT_signkeys_iterate (const char *mint_base_dir, + TALER_MINT_SignkeyIterator it, void *cls); + + +/** + * FIXME + */ +int +TALER_MINT_denomkeys_iterate (const char *mint_base_dir, + TALER_MINT_DenomkeyIterator it, void *cls); + + +/** + * Exports a denomination key to the given file + * + * @param filename the file where to write the denomination key + * @param dki the denomination key + * @return #GNUNET_OK upon success; #GNUNET_SYSERR upon failure. + */ +int +TALER_MINT_write_denom_key (const char *filename, + const struct TALER_MINT_DenomKeyIssue *dki); + + +/** + * Import a denomination key from the given file + * + * @param filename the file to import the key from + * @param dki pointer to return the imported denomination key + * @return #GNUNET_OK upon success; #GNUNET_SYSERR upon failure + */ +int +TALER_MINT_read_denom_key (const char *filename, + struct TALER_MINT_DenomKeyIssue *dki); + + +/** + * Load the configuration for the mint in the given + * directory. + * + * @param mint_base_dir the mint's base directory + * @return the mint configuratin, or NULL on error + */ +struct GNUNET_CONFIGURATION_Handle * +TALER_MINT_config_load (const char *mint_base_dir); + + +int +TALER_TALER_DB_extract_amount (PGresult *result, unsigned int row, + int indices[3], struct TALER_Amount *denom); + +int +TALER_TALER_DB_extract_amount_nbo (PGresult *result, unsigned int row, + int indices[3], struct TALER_AmountNBO *denom_nbo); + +#endif /* _MINT_H */ + |