286 lines
8.9 KiB
C
286 lines
8.9 KiB
C
/*
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This file is part of TALER
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(C) 2014 Christian Grothoff (and other contributing authors)
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TALER is free software; you can redistribute it and/or modify it under the
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terms of the GNU General Public License as published by the Free Software
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Foundation; either version 3, or (at your option) any later version.
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TALER is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
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A PARTICULAR PURPOSE. See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License along with
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TALER; see the file COPYING. If not, If not, see <http://www.gnu.org/licenses/>
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*/
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/**
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* @file mint/mint_db.h
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* @brief Mint-specific database access
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* @author Florian Dold
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*/
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#ifndef _NEURO_MINT_DB_H
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#define _NEURO_MINT_DB_H
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#include <libpq-fe.h>
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#include <microhttpd.h>
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#include <gnunet/gnunet_util_lib.h>
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#include "taler_util.h"
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#include "taler-mint-httpd_db.h"
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#include "mint.h"
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int
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TALER_MINT_DB_prepare (PGconn *db_conn);
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/**
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* Locate the response for a /withdraw request under the
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* key of the hash of the blinded message.
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*
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* @param db_conn database connection to use
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* @param h_blind hash of the blinded message
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* @param collectable corresponding collectable coin (blind signature)
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* if a coin is found
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* @return #GNUNET_SYSERR on internal error
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* #GNUNET_NO if the collectable was not found
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* #GNUNET_YES on success
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*/
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int
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TALER_MINT_DB_get_collectable_blindcoin (PGconn *db_conn,
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const struct GNUNET_HashCode *h_blind,
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struct CollectableBlindcoin *collectable);
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/**
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* Store collectable bit coin under the corresponding
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* hash of the blinded message.
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*
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* @param db_conn database connection to use
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* @param h_blind hash of the blinded message
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* @param collectable corresponding collectable coin (blind signature)
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* if a coin is found
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* @return #GNUNET_SYSERR on internal error
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* #GNUNET_NO if the collectable was not found
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* #GNUNET_YES on success
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*/
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int
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TALER_MINT_DB_insert_collectable_blindcoin (PGconn *db_conn,
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const struct GNUNET_HashCode *h_blind,
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const struct CollectableBlindcoin *collectable);
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int
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TALER_MINT_DB_rollback (PGconn *db_conn);
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int
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TALER_MINT_DB_transaction (PGconn *db_conn);
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int
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TALER_MINT_DB_commit (PGconn *db_conn);
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int
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TALER_MINT_DB_get_reserve (PGconn *db_conn,
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const struct GNUNET_CRYPTO_EddsaPublicKey *reserve_pub,
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struct Reserve *reserve_res);
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/**
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* Update information about a reserve.
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*
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* @param db_conn
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* @param reserve current reserve status
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* @param fresh FIXME
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* @return #GNUNET_OK on success
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*/
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int
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TALER_MINT_DB_update_reserve (PGconn *db_conn,
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const struct Reserve *reserve,
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int fresh);
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int
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TALER_MINT_DB_insert_refresh_order (PGconn *db_conn,
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uint16_t newcoin_index,
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const struct GNUNET_CRYPTO_EddsaPublicKey *session_pub,
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const struct GNUNET_CRYPTO_rsa_PublicKey *denom_pub);
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int
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TALER_MINT_DB_get_refresh_session (PGconn *db_conn,
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const struct GNUNET_CRYPTO_EddsaPublicKey *refresh_session_pub,
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struct RefreshSession *r_session);
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int
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TALER_MINT_DB_get_known_coin (PGconn *db_conn,
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const struct GNUNET_CRYPTO_EcdsaPublicKey *coin_pub,
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struct KnownCoin *known_coin);
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int
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TALER_MINT_DB_upsert_known_coin (PGconn *db_conn,
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struct KnownCoin *known_coin);
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int
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TALER_MINT_DB_create_refresh_session (PGconn *db_conn,
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const struct GNUNET_CRYPTO_EddsaPublicKey *session_pub);
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/**
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* Store the commitment to the given (encrypted) refresh link data
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* for the given refresh session.
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*
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* @param db_conn database connection to use
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* @param refresh_session_pub public key of the refresh session this
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* commitment belongs with
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* @param i
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* @param j
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* @param commit_link link information to store
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* @return #GNUNET_SYSERR on internal error, #GNUNET_OK on success
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*/
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int
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TALER_MINT_DB_insert_refresh_commit_link (PGconn *db_conn,
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const struct GNUNET_CRYPTO_EddsaPublicKey *refresh_session_pub,
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int i, int j,
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const struct RefreshCommitLink *commit_link);
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int
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TALER_MINT_DB_get_refresh_commit_link (PGconn *db_conn,
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const struct GNUNET_CRYPTO_EddsaPublicKey *refresh_session_pub,
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int i, int j,
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struct RefreshCommitLink *cc);
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int
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TALER_MINT_DB_insert_refresh_commit_coin (PGconn *db_conn,
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const struct GNUNET_CRYPTO_EddsaPublicKey *refresh_session_pub,
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int i,
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int j,
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const struct RefreshCommitCoin *commit_coin);
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int
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TALER_MINT_DB_get_refresh_commit_coin (PGconn *db_conn,
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const struct GNUNET_CRYPTO_EddsaPublicKey *refresh_session_pub,
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int i, int j,
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struct RefreshCommitCoin *commit_coin);
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struct GNUNET_CRYPTO_rsa_PublicKey *
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TALER_MINT_DB_get_refresh_order (PGconn *db_conn,
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uint16_t newcoin_index,
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const struct GNUNET_CRYPTO_EddsaPublicKey *session_pub);
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int
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TALER_MINT_DB_insert_refresh_collectable (PGconn *db_conn,
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uint16_t newcoin_index,
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const struct GNUNET_CRYPTO_EddsaPublicKey *session_pub,
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const struct GNUNET_CRYPTO_rsa_Signature *ev_sig);
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struct GNUNET_CRYPTO_rsa_Signature *
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TALER_MINT_DB_get_refresh_collectable (PGconn *db_conn,
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uint16_t newcoin_index,
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const struct GNUNET_CRYPTO_EddsaPublicKey *session_pub);
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int
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TALER_MINT_DB_set_reveal_ok (PGconn *db_conn,
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const struct GNUNET_CRYPTO_EddsaPublicKey *session_pub);
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int
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TALER_MINT_DB_insert_refresh_melt (PGconn *db_conn,
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const struct GNUNET_CRYPTO_EddsaPublicKey *session_pub,
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uint16_t oldcoin_index,
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const struct GNUNET_CRYPTO_EcdsaPublicKey *coin_pub,
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const struct GNUNET_CRYPTO_rsa_PublicKey *denom_pub);
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int
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TALER_MINT_DB_get_refresh_melt (PGconn *db_conn,
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const struct GNUNET_CRYPTO_EddsaPublicKey *session_pub,
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uint16_t oldcoin_index,
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struct GNUNET_CRYPTO_EcdsaPublicKey *coin_pub);
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/**
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* FIXME: doc, name is bad, too.
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*/
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typedef int
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(*LinkIterator) (void *cls,
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const struct TALER_RefreshLinkEncrypted *link_data_enc,
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const struct GNUNET_CRYPTO_rsa_PublicKey *denom_pub,
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const struct GNUNET_CRYPTO_rsa_Signature *ev_sig);
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int
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TALER_db_get_link (PGconn *db_conn,
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const struct GNUNET_CRYPTO_EcdsaPublicKey *coin_pub,
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LinkIterator link_iter,
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void *cls);
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/**
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* Obtain shared secret from the transfer public key (?).
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*
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* @param shared_secret_enc[out] set to shared secret; FIXME: use other type
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* to indicate this is the encrypted secret
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*/
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int
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TALER_db_get_transfer (PGconn *db_conn,
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const struct GNUNET_CRYPTO_EcdsaPublicKey *coin_pub,
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struct GNUNET_CRYPTO_EcdsaPublicKey *transfer_pub,
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struct GNUNET_HashCode *shared_secret_enc);
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int
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TALER_MINT_DB_init_deposits (PGconn *db_conn, int temporary);
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int
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TALER_MINT_DB_prepare_deposits (PGconn *db_conn);
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int
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TALER_MINT_DB_insert_deposit (PGconn *db_conn,
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const struct Deposit *deposit);
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int
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TALER_MINT_DB_get_deposit (PGconn *db_conn,
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const struct GNUNET_CRYPTO_EcdsaPublicKey *coin_pub,
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struct Deposit *r_deposit);
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int
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TALER_MINT_DB_insert_known_coin (PGconn *db_conn,
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const struct KnownCoin *known_coin);
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/**
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* Get the thread-local database-handle.
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* Connect to the db if the connection does not exist yet.
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*
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* @param the database connection, or NULL on error
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*/
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PGconn *
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TALER_MINT_DB_get_connection (void);
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int
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TALER_MINT_DB_init (const char *connection_cfg);
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#endif /* _NEURO_MINT_DB_H */
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