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/*
This file is part of TALER
Copyright (C) 2014, 2015 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 mintdb/perf_taler_mintdb_init.c
* @brief Interpreter library for mint database performance analysis
* @author Nicolas Fournier
*/
#include "platform.h"
#include "perf_taler_mintdb_init.h"
#include <gnunet/gnunet_signatures.h>
#include "taler_signatures.h"
#include "taler_amount_lib.h"
#define CURRENCY "EUR"
#define PERF_TALER_MINTDB_RSA_SIZE 256
/**
* @return a randomly generated CollectableBlindcoin
*/
struct TALER_MINTDB_CollectableBlindcoin *
PERF_TALER_MINTDB_collectable_blindcoin_init ()
{
uint32_t random_int;
struct GNUNET_CRYPTO_rsa_PrivateKey *denomination_key;
struct GNUNET_CRYPTO_EddsaPrivateKey *reserve_sig_key;
struct {
struct GNUNET_CRYPTO_EccSignaturePurpose purpose;
uint32_t data;
} unsigned_data;
struct TALER_MINTDB_CollectableBlindcoin *coin;
coin = GNUNET_new (struct TALER_MINTDB_CollectableBlindcoin);
GNUNET_assert (NULL !=
(reserve_sig_key = GNUNET_CRYPTO_eddsa_key_create ()));
GNUNET_assert (NULL !=
(denomination_key = GNUNET_CRYPTO_rsa_private_key_create (512)));
GNUNET_assert (NULL ==
(coin->denom_pub.rsa_public_key =
GNUNET_CRYPTO_rsa_private_key_get_public (denomination_key)));
GNUNET_CRYPTO_eddsa_key_get_public (reserve_sig_key,
&coin->reserve_pub.eddsa_pub);
GNUNET_assert (GNUNET_OK ==
TALER_string_to_amount (CURRENCY ":1.1",
&coin->amount_with_fee));
GNUNET_assert (GNUNET_OK ==
TALER_string_to_amount (CURRENCY ":1.1",
&coin->withdraw_fee));
random_int =
GNUNET_CRYPTO_random_u32 (GNUNET_CRYPTO_QUALITY_WEAK, UINT32_MAX);
GNUNET_assert (NULL !=
(coin->sig.rsa_signature =
GNUNET_CRYPTO_rsa_sign (denomination_key,
&random_int,
sizeof (random_int))));
GNUNET_CRYPTO_hash_create_random (GNUNET_CRYPTO_QUALITY_WEAK,
&coin->h_coin_envelope);
unsigned_data.purpose.size = htonl (sizeof (unsigned_data));
unsigned_data.purpose.purpose = htonl (GNUNET_SIGNATURE_PURPOSE_TEST);
unsigned_data.data = htonl (random_int);
GNUNET_assert (GNUNET_OK ==
GNUNET_CRYPTO_eddsa_sign (reserve_sig_key,
(struct GNUNET_CRYPTO_EccSignaturePurpose *) &unsigned_data,
&coin->reserve_sig.eddsa_signature));
GNUNET_free (reserve_sig_key);
GNUNET_CRYPTO_rsa_private_key_free (denomination_key);
return coin;
}
/**
* Liberate memory of @a coin
*/
int
PERF_TALER_MINTDB_collectable_blindcoin_free (struct TALER_MINTDB_CollectableBlindcoin *coin)
{
if (NULL == coin)
return GNUNET_OK;
GNUNET_CRYPTO_rsa_signature_free (coin->sig.rsa_signature);
GNUNET_CRYPTO_rsa_public_key_free (coin->denom_pub.rsa_public_key);
GNUNET_free (coin);
return GNUNET_OK;
}
/**
* @return a randomly generated reserve
*/
struct TALER_MINTDB_Reserve *
PERF_TALER_MINTDB_reserve_init ()
{
struct TALER_MINTDB_Reserve *reserve;
struct GNUNET_CRYPTO_EddsaPrivateKey *reserve_priv;
GNUNET_assert (NULL !=
(reserve = GNUNET_new (struct TALER_MINTDB_Reserve)));
GNUNET_assert (NULL !=
(reserve_priv = GNUNET_CRYPTO_eddsa_key_create ()));
GNUNET_CRYPTO_eddsa_key_get_public (reserve_priv ,
&reserve->pub.eddsa_pub);
GNUNET_assert (GNUNET_OK ==
TALER_string_to_amount (CURRENCY ":1.1", &reserve->balance));
reserve->expiry = GNUNET_TIME_absolute_get_forever_ ();
GNUNET_free (reserve_priv);
return reserve;
}
/**
* Free memory of a reserve
*/
int
PERF_TALER_MINTDB_reserve_free (struct TALER_MINTDB_Reserve *reserve)
{
GNUNET_free (reserve);
return GNUNET_OK;
}
/**
* @return a randomly generated refresh session
*/
struct TALER_MINTDB_RefreshSession *
PERF_TALER_MINTDB_refresh_session_init ()
{
struct TALER_MINTDB_RefreshSession *refresh_session;
GNUNET_assert (NULL !=
(refresh_session = GNUNET_new (struct TALER_MINTDB_RefreshSession)));
refresh_session->noreveal_index = 1;
refresh_session->num_oldcoins = 1;
refresh_session->num_newcoins = 1;
return refresh_session;
}
/**
* Free a refresh session
*/
int
PERF_TALER_MINTDB_refresh_session_free (struct TALER_MINTDB_RefreshSession *refresh_session)
{
GNUNET_free (refresh_session);
return GNUNET_OK;
}
/**
* Create a randomly generated deposit
*/
struct TALER_MINTDB_Deposit *
PERF_TALER_MINTDB_deposit_init ()
{
struct TALER_MINTDB_Deposit *deposit;
struct TALER_CoinPublicInfo coin;
struct TALER_CoinSpendSignatureP csig;
struct TALER_MerchantPublicKeyP merchant_pub;
struct GNUNET_HashCode h_contract;
struct GNUNET_HashCode h_wire;
const char wire[] = "{"
"\"type\":\"SEPA\","
"\"IBAN\":\"DE67830654080004822650\","
"\"NAME\":\"GNUNET E.\","
"\"BIC\":\"GENODEF1SRL\""
"}";
static uint64_t transaction_id = 0;
struct GNUNET_TIME_Absolute timestamp;
struct GNUNET_TIME_Absolute refund_deadline;
struct TALER_Amount amount_with_fee;
struct TALER_Amount deposit_fee;
GNUNET_assert (NULL !=
(deposit = GNUNET_malloc (sizeof (struct TALER_MINTDB_Deposit) + sizeof (wire))));
{ // coin
struct GNUNET_CRYPTO_EddsaPrivateKey *eddsa_prvt;
struct GNUNET_CRYPTO_rsa_PrivateKey *rsa_prv;
GNUNET_assert (NULL !=
(eddsa_prvt = GNUNET_CRYPTO_eddsa_key_create ()));
GNUNET_assert (NULL !=
(rsa_prv = GNUNET_CRYPTO_rsa_private_key_create (PERF_TALER_MINTDB_RSA_SIZE)));
GNUNET_CRYPTO_eddsa_key_get_public (eddsa_prvt,
&coin.coin_pub.eddsa_pub);
GNUNET_assert (NULL !=
(coin.denom_pub.rsa_public_key =
GNUNET_CRYPTO_rsa_private_key_get_public (rsa_prv)));
GNUNET_assert (NULL !=
(coin.denom_sig.rsa_signature =
GNUNET_CRYPTO_rsa_sign (rsa_prv,
&coin.coin_pub.eddsa_pub,
sizeof (struct GNUNET_CRYPTO_EddsaPublicKey))));
GNUNET_CRYPTO_rsa_private_key_free (rsa_prv);
GNUNET_free (eddsa_prvt);
}
{ //csig
struct u32_presign
{
struct GNUNET_CRYPTO_EccSignaturePurpose purpose;
uint32_t data;
} unsigned_data;
struct GNUNET_CRYPTO_EddsaPrivateKey *eddsa_prvt;
GNUNET_assert (NULL !=
(eddsa_prvt = GNUNET_CRYPTO_eddsa_key_create ()));
unsigned_data.data = GNUNET_CRYPTO_random_u32 (GNUNET_CRYPTO_QUALITY_WEAK,
UINT32_MAX);
unsigned_data.purpose.size = htonl (sizeof (struct u32_presign));
unsigned_data.purpose.purpose = htonl (GNUNET_SIGNATURE_PURPOSE_TEST);
GNUNET_assert (GNUNET_OK ==
GNUNET_CRYPTO_eddsa_sign (eddsa_prvt,
&unsigned_data.purpose,
&csig.eddsa_signature));
GNUNET_free (eddsa_prvt);
}
{ //merchant_pub
struct GNUNET_CRYPTO_EddsaPrivateKey *eddsa_prv;
GNUNET_assert(NULL !=
(eddsa_prv = GNUNET_CRYPTO_eddsa_key_create ()));
GNUNET_CRYPTO_eddsa_key_get_public (
eddsa_prv,
&merchant_pub.eddsa_pub);
GNUNET_free (eddsa_prv);
}
GNUNET_CRYPTO_hash_create_random (GNUNET_CRYPTO_QUALITY_WEAK,
&h_contract);
GNUNET_CRYPTO_hash_create_random (GNUNET_CRYPTO_QUALITY_WEAK,
&h_wire);
timestamp = GNUNET_TIME_absolute_get ();
refund_deadline = GNUNET_TIME_absolute_get ();
GNUNET_assert (GNUNET_OK ==
TALER_string_to_amount (CURRENCY ":1.1",
&amount_with_fee));
GNUNET_assert (GNUNET_OK ==
TALER_string_to_amount (CURRENCY ":0.1",
&deposit_fee));
deposit->coin = coin;
deposit->csig = csig;
deposit->h_contract = h_contract;
deposit->h_wire = h_wire;
deposit->wire = json_loads (wire, 0, NULL);
deposit->transaction_id = transaction_id++;
deposit->timestamp = timestamp;
deposit->refund_deadline = refund_deadline;
deposit->amount_with_fee = amount_with_fee;
deposit->deposit_fee = deposit_fee;
return deposit;
}
/**
* Free memory of a deposit
*/
int
PERF_TALER_MINTDB_deposit_free (struct TALER_MINTDB_Deposit *deposit)
{
if ( NULL == deposit)
return GNUNET_OK;
GNUNET_CRYPTO_rsa_public_key_free (deposit->coin.denom_pub.rsa_public_key);
GNUNET_CRYPTO_rsa_signature_free (deposit->coin.denom_sig.rsa_signature);
json_decref (deposit->wire);
GNUNET_free (deposit);
return GNUNET_OK;
}
/**
* Generate a randomly generate DenominationKeyInformation
*/
struct TALER_MINTDB_DenominationKeyIssueInformation *
PERF_TALER_MINTDB_denomination_init ()
{
struct TALER_MINTDB_DenominationKeyIssueInformation *dki;
struct GNUNET_CRYPTO_EddsaPrivateKey *master_prvt;
struct GNUNET_TIME_Absolute anchor;
struct TALER_Amount amount;
GNUNET_assert (NULL !=
(dki = GNUNET_new (struct TALER_MINTDB_DenominationKeyIssueInformation)));
GNUNET_assert (NULL !=
(dki->denom_priv.rsa_private_key
= GNUNET_CRYPTO_rsa_private_key_create (PERF_TALER_MINTDB_RSA_SIZE)));
GNUNET_assert (NULL !=
(dki->denom_pub.rsa_public_key =
GNUNET_CRYPTO_rsa_private_key_get_public (dki->denom_priv.rsa_private_key)));
GNUNET_CRYPTO_rsa_public_key_hash (dki->denom_pub.rsa_public_key,
&dki->issue.denom_hash);
GNUNET_assert (NULL !=
(master_prvt = GNUNET_CRYPTO_eddsa_key_create ()));
GNUNET_CRYPTO_eddsa_key_get_public (master_prvt,
&dki->issue.master.eddsa_pub);
anchor = GNUNET_TIME_absolute_get ();
dki->issue.start = GNUNET_TIME_absolute_hton (anchor);
dki->issue.expire_withdraw =
GNUNET_TIME_absolute_hton (GNUNET_TIME_absolute_add (anchor,
GNUNET_TIME_relative_get_hour_ ()));
dki->issue.expire_spend =
GNUNET_TIME_absolute_hton (GNUNET_TIME_absolute_add (anchor,
GNUNET_TIME_relative_get_hour_ ()));
dki->issue.expire_legal =
GNUNET_TIME_absolute_hton (GNUNET_TIME_absolute_add (anchor,
GNUNET_TIME_relative_get_hour_ ()));
GNUNET_assert (GNUNET_OK ==
TALER_string_to_amount (CURRENCY ":1.1", &amount));
TALER_amount_hton (&dki->issue.value, &amount);
TALER_amount_hton (&dki->issue.fee_withdraw, &amount);
TALER_amount_hton (&dki->issue.fee_deposit, &amount);
TALER_amount_hton (&dki->issue.fee_refresh, &amount);
dki->issue.purpose.purpose = htonl (TALER_SIGNATURE_MASTER_DENOMINATION_KEY_VALIDITY);
dki->issue.purpose.size =
htonl (sizeof (struct TALER_MINTDB_DenominationKeyIssueInformation) -
offsetof (struct TALER_MINTDB_DenominationKeyIssueInformation,
issue.purpose));
GNUNET_assert (GNUNET_OK ==
GNUNET_CRYPTO_eddsa_sign (master_prvt,
&dki->issue.purpose,
&dki->issue.signature.eddsa_signature));
GNUNET_free (master_prvt);
return dki;
}
/**
* Free memory for a DenominationKeyIssueInformation
*/
int
PERF_TALER_MINTDB_denomination_free (struct TALER_MINTDB_DenominationKeyIssueInformation *dki)
{
if (NULL ==dki)
return GNUNET_OK;
GNUNET_CRYPTO_rsa_private_key_free (dki->denom_priv.rsa_private_key);
GNUNET_CRYPTO_rsa_public_key_free (dki->denom_pub.rsa_public_key);
GNUNET_free (dki);
return GNUNET_OK;
}
/**
* Generate a random CoinPublicInfo
*/
struct TALER_CoinPublicInfo *
PERF_TALER_MINTDB_coin_public_info_init ()
{
struct GNUNET_CRYPTO_EddsaPrivateKey *coin_spent_prv;
struct GNUNET_CRYPTO_rsa_PrivateKey *denom_prv;
struct TALER_CoinPublicInfo *cpi;
GNUNET_assert (NULL !=
(denom_prv = GNUNET_CRYPTO_rsa_private_key_create (PERF_TALER_MINTDB_RSA_SIZE)));
GNUNET_assert (NULL !=
(coin_spent_prv = GNUNET_CRYPTO_eddsa_key_create ()));
GNUNET_assert (NULL !=
(cpi = GNUNET_new (struct TALER_CoinPublicInfo)));
GNUNET_CRYPTO_eddsa_key_get_public (coin_spent_prv, &cpi->coin_pub.eddsa_pub);
GNUNET_assert (NULL !=
(cpi->denom_pub.rsa_public_key = GNUNET_CRYPTO_rsa_private_key_get_public (denom_prv)));
GNUNET_assert (NULL !=
(cpi->denom_sig.rsa_signature = GNUNET_CRYPTO_rsa_sign (denom_prv,
&cpi->coin_pub,
sizeof (struct TALER_CoinSpendPublicKeyP))));
GNUNET_free (coin_spent_prv);
GNUNET_CRYPTO_rsa_private_key_free (denom_prv);
return cpi;
}
/**
* Free a CoinPublicInfo
*/
int
PERF_TALER_MINTDB_coin_public_info_free (struct TALER_CoinPublicInfo *cpi)
{
GNUNET_CRYPTO_rsa_signature_free (cpi->denom_sig.rsa_signature);
GNUNET_CRYPTO_rsa_public_key_free (cpi->denom_pub.rsa_public_key);
GNUNET_free (cpi);
return GNUNET_OK;
}
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