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exchange/src/testing/testing_api_cmd_insert_deposit.c

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/*
This file is part of TALER
Copyright (C) 2018 Taler Systems SA
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,
see <http://www.gnu.org/licenses/>
*/
/**
* @file testing/testing_api_cmd_insert_deposit.c
* @brief deposit a coin directly into the database.
* @author Marcello Stanisci
* @author Christian Grothoff
*/
#include "platform.h"
#include "taler_util.h"
#include "taler_json_lib.h"
#include <gnunet/gnunet_curl_lib.h>
#include "taler_signatures.h"
#include "taler_testing_lib.h"
#include "taler_exchangedb_plugin.h"
/**
* State for a "insert-deposit" CMD.
*/
struct InsertDepositState
{
/**
* Configuration file used by the command.
*/
const struct TALER_TESTING_DatabaseConnection *dbc;
/**
* Human-readable name of the shop.
*/
const char *merchant_name;
/**
* Merchant account name (NOT a payto-URI).
*/
const char *merchant_account;
/**
* Deadline before which the aggregator should
* send the payment to the merchant.
*/
struct GNUNET_TIME_Relative wire_deadline;
/**
* When did the exchange receive the deposit?
*/
struct GNUNET_TIME_Timestamp exchange_timestamp;
/**
* Amount to deposit, inclusive of deposit fee.
*/
const char *amount_with_fee;
/**
* Deposit fee.
*/
const char *deposit_fee;
};
/**
* Setup (fake) information about a coin used in deposit.
*
* @param[out] issue information to initialize with "valid" data
*/
static void
fake_issue (struct TALER_EXCHANGEDB_DenominationKeyInformation *issue)
{
struct GNUNET_TIME_Timestamp now;
memset (issue,
0,
sizeof (*issue));
now = GNUNET_TIME_timestamp_get ();
issue->start
= now;
issue->expire_withdraw
= GNUNET_TIME_relative_to_timestamp (GNUNET_TIME_UNIT_MINUTES);
issue->expire_deposit
= GNUNET_TIME_relative_to_timestamp (GNUNET_TIME_UNIT_HOURS);
issue->expire_legal
= GNUNET_TIME_relative_to_timestamp (GNUNET_TIME_UNIT_DAYS);
GNUNET_assert (GNUNET_OK ==
TALER_string_to_amount ("EUR:1",
&issue->value));
GNUNET_assert (GNUNET_OK ==
TALER_string_to_amount ("EUR:0.1",
&issue->fees.withdraw));
GNUNET_assert (GNUNET_OK ==
TALER_string_to_amount ("EUR:0.1",
&issue->fees.deposit));
GNUNET_assert (GNUNET_OK ==
TALER_string_to_amount ("EUR:0.1",
&issue->fees.refresh));
GNUNET_assert (GNUNET_OK ==
TALER_string_to_amount ("EUR:0.1",
&issue->fees.refund));
}
/**
* Run the command.
*
* @param cls closure.
* @param cmd the commaind being run.
* @param is interpreter state.
*/
static void
insert_deposit_run (void *cls,
const struct TALER_TESTING_Command *cmd,
struct TALER_TESTING_Interpreter *is)
{
struct InsertDepositState *ids = cls;
struct TALER_EXCHANGEDB_Deposit deposit;
struct TALER_MerchantPrivateKeyP merchant_priv;
struct TALER_EXCHANGEDB_DenominationKeyInformation issue;
struct TALER_DenominationPublicKey dpk;
struct TALER_DenominationPrivateKey denom_priv;
(void) cmd;
// prepare and store issue first.
fake_issue (&issue);
GNUNET_assert (GNUNET_OK ==
TALER_denom_priv_create (&denom_priv,
&dpk,
TALER_DENOMINATION_RSA,
1024));
TALER_denom_pub_hash (&dpk,
&issue.denom_hash);
if ( (GNUNET_OK !=
ids->dbc->plugin->start (ids->dbc->plugin->cls,
"talertestinglib: denomination insertion")) ||
(GNUNET_DB_STATUS_SUCCESS_ONE_RESULT !=
ids->dbc->plugin->insert_denomination_info (ids->dbc->plugin->cls,
&dpk,
&issue)) ||
(GNUNET_DB_STATUS_SUCCESS_NO_RESULTS !=
ids->dbc->plugin->commit (ids->dbc->plugin->cls)) )
{
TALER_TESTING_interpreter_fail (is);
TALER_denom_pub_free (&dpk);
TALER_denom_priv_free (&denom_priv);
return;
}
/* prepare and store deposit now. */
memset (&deposit,
0,
sizeof (deposit));
GNUNET_CRYPTO_kdf (&merchant_priv,
sizeof (struct TALER_MerchantPrivateKeyP),
"merchant-priv",
strlen ("merchant-priv"),
ids->merchant_name,
strlen (ids->merchant_name),
NULL,
0);
GNUNET_CRYPTO_eddsa_key_get_public (&merchant_priv.eddsa_priv,
&deposit.merchant_pub.eddsa_pub);
GNUNET_CRYPTO_hash_create_random (GNUNET_CRYPTO_QUALITY_WEAK,
&deposit.h_contract_terms.hash);
if ( (GNUNET_OK !=
TALER_string_to_amount (ids->amount_with_fee,
&deposit.amount_with_fee)) ||
(GNUNET_OK !=
TALER_string_to_amount (ids->deposit_fee,
&deposit.deposit_fee)) )
{
TALER_TESTING_interpreter_fail (is);
TALER_denom_pub_free (&dpk);
TALER_denom_priv_free (&denom_priv);
return;
}
TALER_denom_pub_hash (&dpk,
&deposit.coin.denom_pub_hash);
GNUNET_CRYPTO_random_block (GNUNET_CRYPTO_QUALITY_WEAK,
&deposit.coin.coin_pub,
sizeof (deposit.coin.coin_pub));
{
struct TALER_CoinPubHashP c_hash;
struct TALER_PlanchetDetail pd;
struct TALER_BlindedDenominationSignature bds;
struct TALER_PlanchetMasterSecretP ps;
struct TALER_ExchangeWithdrawValues alg_values;
union TALER_DenominationBlindingKeyP bks;
alg_values.cipher = TALER_DENOMINATION_RSA;
TALER_planchet_blinding_secret_create (&ps,
&alg_values,
&bks);
GNUNET_assert (GNUNET_OK ==
TALER_denom_blind (&dpk,
&bks,
NULL, /* no age restriction active */
&deposit.coin.coin_pub,
&alg_values,
&c_hash,
&pd.blinded_planchet));
GNUNET_assert (GNUNET_OK ==
TALER_denom_sign_blinded (&bds,
&denom_priv,
false,
&pd.blinded_planchet));
TALER_blinded_planchet_free (&pd.blinded_planchet);
GNUNET_assert (GNUNET_OK ==
TALER_denom_sig_unblind (&deposit.coin.denom_sig,
&bds,
&bks,
&c_hash,
&alg_values,
&dpk));
TALER_blinded_denom_sig_free (&bds);
}
GNUNET_asprintf (&deposit.receiver_wire_account,
"payto://x-taler-bank/localhost/%s?receiver-name=%s",
ids->merchant_account,
ids->merchant_account);
memset (&deposit.wire_salt,
46,
sizeof (deposit.wire_salt));
deposit.timestamp = GNUNET_TIME_timestamp_get ();
deposit.wire_deadline = GNUNET_TIME_relative_to_timestamp (
ids->wire_deadline);
/* finally, actually perform the DB operation */
{
uint64_t known_coin_id;
struct TALER_DenominationHashP dph;
struct TALER_AgeCommitmentHash agh;
if ( (GNUNET_OK !=
ids->dbc->plugin->start (ids->dbc->plugin->cls,
"libtalertesting: insert deposit")) ||
(0 >
ids->dbc->plugin->ensure_coin_known (ids->dbc->plugin->cls,
&deposit.coin,
&known_coin_id,
&dph,
&agh)) ||
(GNUNET_DB_STATUS_SUCCESS_ONE_RESULT !=
ids->dbc->plugin->insert_deposit (ids->dbc->plugin->cls,
ids->exchange_timestamp,
&deposit)) ||
(GNUNET_DB_STATUS_SUCCESS_NO_RESULTS !=
ids->dbc->plugin->commit (ids->dbc->plugin->cls)) )
{
GNUNET_break (0);
ids->dbc->plugin->rollback (ids->dbc->plugin->cls);
GNUNET_free (deposit.receiver_wire_account);
TALER_denom_pub_free (&dpk);
TALER_denom_priv_free (&denom_priv);
TALER_TESTING_interpreter_fail (is);
return;
}
}
TALER_denom_sig_free (&deposit.coin.denom_sig);
TALER_denom_pub_free (&dpk);
TALER_denom_priv_free (&denom_priv);
GNUNET_free (deposit.receiver_wire_account);
TALER_TESTING_interpreter_next (is);
}
/**
* Free the state of a "auditor-dbinit" CMD, and possibly kills its
* process if it did not terminate correctly.
*
* @param cls closure.
* @param cmd the command being freed.
*/
static void
insert_deposit_cleanup (void *cls,
const struct TALER_TESTING_Command *cmd)
{
struct InsertDepositState *ids = cls;
(void) cmd;
GNUNET_free (ids);
}
struct TALER_TESTING_Command
TALER_TESTING_cmd_insert_deposit (
const char *label,
const struct TALER_TESTING_DatabaseConnection *dbc,
const char *merchant_name,
const char *merchant_account,
struct GNUNET_TIME_Timestamp exchange_timestamp,
struct GNUNET_TIME_Relative wire_deadline,
const char *amount_with_fee,
const char *deposit_fee)
{
struct InsertDepositState *ids;
ids = GNUNET_new (struct InsertDepositState);
ids->dbc = dbc;
ids->merchant_name = merchant_name;
ids->merchant_account = merchant_account;
ids->exchange_timestamp = exchange_timestamp;
ids->wire_deadline = wire_deadline;
ids->amount_with_fee = amount_with_fee;
ids->deposit_fee = deposit_fee;
{
struct TALER_TESTING_Command cmd = {
.cls = ids,
.label = label,
.run = &insert_deposit_run,
.cleanup = &insert_deposit_cleanup
};
return cmd;
}
}
/* end of testing_api_cmd_insert_deposit.c */
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