diff options
Diffstat (limited to 'src/mintdb/perf_taler_mintdb_init.c')
| -rw-r--r-- | src/mintdb/perf_taler_mintdb_init.c | 622 |
1 files changed, 0 insertions, 622 deletions
diff --git a/src/mintdb/perf_taler_mintdb_init.c b/src/mintdb/perf_taler_mintdb_init.c deleted file mode 100644 index ccfc6a05a..000000000 --- a/src/mintdb/perf_taler_mintdb_init.c +++ /dev/null @@ -1,622 +0,0 @@ -/* - This file is part of TALER - Copyright (C) 2014, 2015 GNUnet e.V. - - 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 512 - - -/** - * Generate a dummy DenominationKeyInformation for testing purposes - * @return a dummy denomination key - */ -struct TALER_MINTDB_DenominationKeyIssueInformation * -PERF_TALER_MINTDB_denomination_init () -{ - struct GNUNET_CRYPTO_EddsaPrivateKey *master_prvt; - struct TALER_MINTDB_DenominationKeyIssueInformation *dki; - struct TALER_DenominationPrivateKey denom_priv; - struct TALER_DenominationPublicKey denom_pub; - struct TALER_MINTDB_DenominationKeyInformationP issue; - - master_prvt = GNUNET_CRYPTO_eddsa_key_create(); - - 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 != denom_priv.rsa_private_key); - denom_pub.rsa_public_key = - GNUNET_CRYPTO_rsa_private_key_get_public (denom_priv.rsa_private_key); - GNUNET_assert (NULL != denom_pub.rsa_public_key); - {/* issue */ - struct TALER_MasterSignatureP signature; - struct TALER_DenominationKeyValidityPS properties; - - {/* properties */ - struct TALER_Amount amount; - - properties.purpose.purpose = htonl (TALER_SIGNATURE_MASTER_SIGNING_KEY_VALIDITY); - properties.purpose.size = htonl (sizeof (struct TALER_DenominationKeyValidityPS)); - GNUNET_CRYPTO_eddsa_key_get_public (master_prvt, - &properties.master.eddsa_pub); - properties.start = GNUNET_TIME_absolute_hton (GNUNET_TIME_absolute_get()); - properties.expire_withdraw = GNUNET_TIME_absolute_hton (GNUNET_TIME_absolute_get_forever_()); - properties.expire_spend = GNUNET_TIME_absolute_hton (GNUNET_TIME_absolute_get_forever_()); - properties.expire_legal = GNUNET_TIME_absolute_hton (GNUNET_TIME_absolute_get_forever_()); - GNUNET_assert (GNUNET_OK == - TALER_string_to_amount (CURRENCY ":1.1", &amount)); - TALER_amount_hton (&properties.value, &amount); - GNUNET_assert (GNUNET_OK == - TALER_string_to_amount (CURRENCY ":0.1", &amount)); - TALER_amount_hton (&properties.fee_withdraw, &amount); - TALER_amount_hton (&properties.fee_deposit, &amount); - TALER_amount_hton (&properties.fee_refresh, &amount); - GNUNET_CRYPTO_rsa_public_key_hash (denom_pub.rsa_public_key, - &properties.denom_hash); - issue.properties = properties; - } - {/* signature */ - GNUNET_CRYPTO_eddsa_sign (master_prvt, - &properties.purpose, - &signature.eddsa_signature); - issue.signature = signature; - } - } - dki->denom_priv = denom_priv; - dki->denom_pub = denom_pub; - dki->issue = issue; - GNUNET_free (master_prvt); - return dki; -} - - -/** - * Copies the given denomination - * @param reserve the deposit copy - * @return a copy of @a deposit; NULL if error - */ -struct TALER_MINTDB_DenominationKeyIssueInformation * -PERF_TALER_MINTDB_denomination_copy (const struct TALER_MINTDB_DenominationKeyIssueInformation *dki) -{ - struct TALER_MINTDB_DenominationKeyIssueInformation *copy; - - GNUNET_assert (NULL != - (copy = GNUNET_new (struct TALER_MINTDB_DenominationKeyIssueInformation))); - {/* denom_priv */ - copy->denom_priv.rsa_private_key = - GNUNET_CRYPTO_rsa_private_key_dup ( dki->denom_priv.rsa_private_key); - } - {/* denom_pub */ - copy->denom_pub.rsa_public_key = - GNUNET_CRYPTO_rsa_public_key_dup (dki->denom_pub.rsa_public_key); - } - {/* issue */ - copy->issue.properties = dki->issue.properties; - copy->issue.signature = dki->issue.signature; - } - return copy; -} - - -/** - * Free memory of a DenominationKeyIssueInformation - * @param dki pointer to the struct to free - */ -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 dummy reserve for testing - * @return a reserve with 1000 EUR in it - */ -struct PERF_TALER_MINTDB_Reserve * -PERF_TALER_MINTDB_reserve_init () -{ - struct PERF_TALER_MINTDB_Reserve *reserve; - - GNUNET_assert (NULL != - (reserve = GNUNET_new (struct PERF_TALER_MINTDB_Reserve))); - {/* private */ - struct GNUNET_CRYPTO_EddsaPrivateKey *private; - private = GNUNET_CRYPTO_eddsa_key_create (); - GNUNET_assert (NULL != private); - reserve->private = *private; - GNUNET_free (private); - } - - GNUNET_CRYPTO_eddsa_key_get_public (&reserve->private, - &reserve->reserve.pub.eddsa_pub); - GNUNET_assert (GNUNET_OK == - TALER_string_to_amount (CURRENCY ":1000", &reserve->reserve.balance)); - reserve->reserve.expiry = GNUNET_TIME_absolute_get_forever_ (); - return reserve; -} - - -/** - * Copies the given reserve - * @param reserve the reserve to copy - * @return a copy of @a reserve; NULL if error - */ -struct PERF_TALER_MINTDB_Reserve * -PERF_TALER_MINTDB_reserve_copy (const struct PERF_TALER_MINTDB_Reserve *reserve) -{ - struct PERF_TALER_MINTDB_Reserve *copy; - GNUNET_assert (NULL != - (copy = GNUNET_new (struct PERF_TALER_MINTDB_Reserve))); - *copy = *reserve; - return copy; -} - - -/** - * Free memory of a reserve - * @param reserve pointer to the structure to be freed - */ -int -PERF_TALER_MINTDB_reserve_free (struct PERF_TALER_MINTDB_Reserve *reserve) -{ - if (NULL == reserve) - return GNUNET_OK; - GNUNET_free (reserve); - return GNUNET_OK; -} - - -/** - * Generate a dummy deposit for testing purposes - * @param dki the denomination key used to sign the key - */ -struct TALER_MINTDB_Deposit * -PERF_TALER_MINTDB_deposit_init (const struct PERF_TALER_MINTDB_Coin *coin) -{ - struct TALER_MINTDB_Deposit *deposit; - 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)))); - GNUNET_CRYPTO_hash_create_random (GNUNET_CRYPTO_QUALITY_WEAK, - &h_contract); - GNUNET_CRYPTO_hash_create_random (GNUNET_CRYPTO_QUALITY_WEAK, - &h_wire); - { //csig - struct u32_presign - { - struct GNUNET_CRYPTO_EccSignaturePurpose purpose; - struct GNUNET_HashCode h_wire; - struct GNUNET_HashCode h_contract; - } unsigned_data; - - unsigned_data.h_contract = h_contract; - unsigned_data.h_wire = h_wire; - 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 (&coin->priv, - &unsigned_data.purpose, - &csig.eddsa_signature)); - } - { //merchant_pub - struct GNUNET_CRYPTO_EddsaPrivateKey *eddsa_prv; - - eddsa_prv = GNUNET_CRYPTO_eddsa_key_create (); - GNUNET_assert(NULL != eddsa_prv); - GNUNET_CRYPTO_eddsa_key_get_public ( - eddsa_prv, - &merchant_pub.eddsa_pub); - GNUNET_free (eddsa_prv); - } - 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_pub = coin->public_info.coin_pub; - deposit->coin.denom_pub.rsa_public_key = GNUNET_CRYPTO_rsa_public_key_dup ( - coin->public_info.denom_pub.rsa_public_key); - GNUNET_assert (NULL != coin->public_info.denom_pub.rsa_public_key); - deposit->coin.denom_sig.rsa_signature = GNUNET_CRYPTO_rsa_signature_dup ( - coin->public_info.denom_sig.rsa_signature); - GNUNET_assert (NULL != coin->public_info.denom_sig.rsa_signature); - } - 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; -} - - -/** - * Copies the given deposit - * @param reserve the deposit copy - * @return a copy of @a deposit; NULL if error - */ -struct TALER_MINTDB_Deposit * -PERF_TALER_MINTDB_deposit_copy (const struct TALER_MINTDB_Deposit *deposit) -{ - struct TALER_MINTDB_Deposit *copy; - - copy = GNUNET_new (struct TALER_MINTDB_Deposit); - *copy = *deposit; - json_incref (copy->wire); - copy->coin.denom_pub.rsa_public_key = - GNUNET_CRYPTO_rsa_public_key_dup (deposit->coin.denom_pub.rsa_public_key); - copy->coin.denom_sig.rsa_signature = - GNUNET_CRYPTO_rsa_signature_dup (deposit->coin.denom_sig.rsa_signature); - return copy; -} - - -/** - * Free memory of a deposit - * @param deposit pointer to the structure to free - */ -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 CollectableBlindcoin for testing purpuses - * @param dki denomination key used to sign the coin - * @param reserve reserve providing the money for the coin - * @return a randomly generated CollectableBlindcoin - */ -struct PERF_TALER_MINTDB_Coin * -PERF_TALER_MINTDB_coin_init ( - const struct TALER_MINTDB_DenominationKeyIssueInformation *dki, - const struct PERF_TALER_MINTDB_Reserve *reserve) -{ - struct PERF_TALER_MINTDB_Coin *coin; - struct GNUNET_CRYPTO_EddsaPrivateKey *priv; - - coin = GNUNET_new (struct PERF_TALER_MINTDB_Coin); - GNUNET_assert (NULL != coin); - /* priv */ - - priv = GNUNET_CRYPTO_eddsa_key_create(); - GNUNET_assert (NULL != priv); - coin->priv = *priv; - GNUNET_free (priv); - - /* public_info */ - GNUNET_CRYPTO_eddsa_key_get_public (&coin->priv, - &coin->public_info.coin_pub.eddsa_pub); - coin->public_info.denom_pub.rsa_public_key = - GNUNET_CRYPTO_rsa_public_key_dup (dki->denom_pub.rsa_public_key); - coin->public_info.denom_sig.rsa_signature = - GNUNET_CRYPTO_rsa_sign (dki->denom_priv.rsa_private_key, - &coin->public_info.coin_pub, - sizeof (struct TALER_CoinSpendPublicKeyP)); - GNUNET_assert (NULL != coin->public_info.denom_pub.rsa_public_key); - GNUNET_assert (NULL != coin->public_info.denom_sig.rsa_signature); - - /* blind */ - coin->blind.sig.rsa_signature = - GNUNET_CRYPTO_rsa_signature_dup (coin->public_info.denom_sig.rsa_signature); - coin->blind.denom_pub.rsa_public_key = - GNUNET_CRYPTO_rsa_public_key_dup (dki->denom_pub.rsa_public_key); - GNUNET_assert (NULL != coin->blind.sig.rsa_signature); - GNUNET_assert (NULL != coin->blind.denom_pub.rsa_public_key); - TALER_amount_ntoh (&coin->blind.amount_with_fee, - &dki->issue.properties.value); - TALER_amount_ntoh (&coin->blind.withdraw_fee, - &dki->issue.properties.fee_withdraw); - coin->blind.reserve_pub = reserve->reserve.pub; - GNUNET_CRYPTO_hash_create_random (GNUNET_CRYPTO_QUALITY_WEAK, - &coin->blind.h_coin_envelope); - - return coin; -} - - -/** - * Copies the given coin - * - * @param coin the coin to copy - * @return a copy of coin; NULL if error - */ -struct PERF_TALER_MINTDB_Coin * -PERF_TALER_MINTDB_coin_copy (const struct PERF_TALER_MINTDB_Coin *coin) -{ - struct PERF_TALER_MINTDB_Coin *copy; - - copy = GNUNET_new (struct PERF_TALER_MINTDB_Coin); - /* priv */ - copy->priv = coin->priv; - /* public_info */ - copy->public_info.coin_pub = coin->public_info.coin_pub; - copy->public_info.denom_pub.rsa_public_key = - GNUNET_CRYPTO_rsa_public_key_dup (coin->public_info.denom_pub.rsa_public_key); - copy->public_info.denom_sig.rsa_signature = - GNUNET_CRYPTO_rsa_signature_dup (coin->public_info.denom_sig.rsa_signature); - - /* blind */ - copy->blind.sig.rsa_signature = - GNUNET_CRYPTO_rsa_signature_dup (coin->blind.sig.rsa_signature); - copy->blind.denom_pub.rsa_public_key = - GNUNET_CRYPTO_rsa_public_key_dup (coin->blind.denom_pub.rsa_public_key); - copy->blind.amount_with_fee = coin->blind.amount_with_fee; - copy->blind.withdraw_fee = coin->blind.withdraw_fee; - copy->blind.reserve_pub = coin->blind.reserve_pub; - copy->blind.h_coin_envelope = coin->blind.h_coin_envelope; - copy->blind.reserve_sig = coin->blind.reserve_sig; - - return copy; -} - - -/** - * Free memory of @a coin - * - * @param coin pointer to the structure to free - */ -int -PERF_TALER_MINTDB_coin_free (struct PERF_TALER_MINTDB_Coin *coin) -{ - if (NULL == coin) - return GNUNET_OK; - GNUNET_CRYPTO_rsa_public_key_free (coin->public_info.denom_pub.rsa_public_key); - GNUNET_CRYPTO_rsa_signature_free (coin->public_info.denom_sig.rsa_signature); - GNUNET_CRYPTO_rsa_signature_free (coin->blind.sig.rsa_signature); - GNUNET_CRYPTO_rsa_public_key_free (coin->blind.denom_pub.rsa_public_key); - GNUNET_free (coin); - 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; -} - - -/** - * @return #GNUNET_OK if the copy was successful, #GNUNET_SYSERR if it wasn't - */ -int -PERF_TALER_MINTDB_refresh_session_copy (struct TALER_MINTDB_RefreshSession *session, - struct TALER_MINTDB_RefreshSession *copy) -{ - *copy = *session; - return GNUNET_OK; -} - - -/** - * Free a refresh session - */ -int -PERF_TALER_MINTDB_refresh_session_free (struct TALER_MINTDB_RefreshSession *refresh_session) -{ - if (NULL == refresh_session) - return GNUNET_OK; - GNUNET_free (refresh_session); - return GNUNET_OK; -} - - -/** - * Create a melt operation - * - * @param session the refresh session - * @param dki the denomination the melted coin uses - * @return a pointer to a #TALER_MINTDB_RefreshMelt - */ -struct TALER_MINTDB_RefreshMelt * -PERF_TALER_MINTDB_refresh_melt_init (struct GNUNET_HashCode *session, - struct PERF_TALER_MINTDB_Coin *coin) -{ - struct TALER_MINTDB_RefreshMelt *melt; - struct TALER_CoinSpendSignatureP coin_sig; - struct TALER_Amount amount; - struct TALER_Amount amount_with_fee; - - { - struct - { - struct GNUNET_CRYPTO_EccSignaturePurpose purpose; - struct GNUNET_HashCode session; - } to_sign; - - to_sign.purpose.purpose = GNUNET_SIGNATURE_PURPOSE_TEST; - to_sign.purpose.size = htonl (sizeof (to_sign)); - to_sign.session = *session; - GNUNET_CRYPTO_eddsa_sign (&coin->priv, - &to_sign.purpose, - &coin_sig.eddsa_signature); - } - GNUNET_assert (GNUNET_OK == - TALER_string_to_amount (CURRENCY ":1.1", - &amount)); - GNUNET_assert (GNUNET_OK == - TALER_string_to_amount (CURRENCY ":0.1", - &amount_with_fee)); - melt = GNUNET_new (struct TALER_MINTDB_RefreshMelt); - melt->coin.coin_pub = coin->public_info.coin_pub; - melt->coin.denom_sig.rsa_signature = - GNUNET_CRYPTO_rsa_signature_dup (coin->public_info.denom_sig.rsa_signature); - melt->coin.denom_pub.rsa_public_key = - GNUNET_CRYPTO_rsa_public_key_dup (coin->public_info.denom_pub.rsa_public_key); - GNUNET_assert (NULL != melt->coin.denom_pub.rsa_public_key); - GNUNET_assert (NULL != melt->coin.denom_sig.rsa_signature); - melt->coin_sig = coin_sig; - melt->session_hash = *session; - melt->amount_with_fee = amount; - melt->melt_fee = amount_with_fee; - return melt; -} - - -/** - * Copies the internals of a #TALER_MINTDB_RefreshMelt - * - * @param melt the refresh melt to copy - * @return an copy of @ melt - */ -struct TALER_MINTDB_RefreshMelt * -PERF_TALER_MINTDB_refresh_melt_copy (const struct TALER_MINTDB_RefreshMelt *melt) -{ - struct TALER_MINTDB_RefreshMelt *copy; - - copy = GNUNET_new (struct TALER_MINTDB_RefreshMelt); - *copy = *melt; - copy->coin.denom_sig.rsa_signature = - GNUNET_CRYPTO_rsa_signature_dup (melt->coin.denom_sig.rsa_signature); - GNUNET_assert (NULL != copy->coin.denom_sig.rsa_signature); - - return copy; -} - - -/** - * Free the internal memory of a #TALER_MINTDB_RefreshMelt - * - * @param melt the #TALER_MINTDB_RefreshMelt to free - * @return #GNUNET_OK if the operation was successful, #GNUNET_SYSERROR - */ -int -PERF_TALER_MINTDB_refresh_melt_free (struct TALER_MINTDB_RefreshMelt *melt) -{ - GNUNET_CRYPTO_rsa_signature_free (melt->coin.denom_sig.rsa_signature); - GNUNET_free (melt); - return GNUNET_OK; -} - - -/** - * Create a #TALER_MINTDB_RefreshCommitCoin - */ -struct TALER_MINTDB_RefreshCommitCoin * -PERF_TALER_MINTDB_refresh_commit_coin_init () -{ - struct TALER_MINTDB_RefreshCommitCoin *commit_coin; - struct TALER_RefreshLinkEncrypted refresh_link; - - commit_coin = GNUNET_new (struct TALER_MINTDB_RefreshCommitCoin); - GNUNET_assert (NULL != commit_coin); - {/* refresh_link */ - refresh_link = (struct TALER_RefreshLinkEncrypted) - { - .blinding_key_enc = "blinding_key", - .blinding_key_enc_size = 13 - }; - GNUNET_CRYPTO_random_block (GNUNET_CRYPTO_QUALITY_WEAK, - &refresh_link.coin_priv_enc, - sizeof(struct TALER_CoinSpendPrivateKeyP)); - } - commit_coin->coin_ev = "coin_ev"; - commit_coin->coin_ev_size = 8; - commit_coin->refresh_link = GNUNET_new (struct TALER_RefreshLinkEncrypted); - *commit_coin->refresh_link = refresh_link; - return commit_coin; -} - - -/** - * Copies a #TALER_MINTDB_RefreshCommitCoin - * - * @param commit_coin the commit to copy - * @return a copy of @a commit_coin - */ -struct TALER_MINTDB_RefreshCommitCoin * -PERF_TALER_MINTDB_refresh_commit_coin_copy (struct TALER_MINTDB_RefreshCommitCoin *commit_coin) -{ - struct TALER_MINTDB_RefreshCommitCoin *copy; - - copy = GNUNET_new (struct TALER_MINTDB_RefreshCommitCoin); - copy->refresh_link = GNUNET_new (struct TALER_RefreshLinkEncrypted); - *copy->refresh_link = *commit_coin->refresh_link; - return copy; -} - - -/** - * Free a #TALER_MINTDB_RefreshCommitCoin - * - * @param commit_coin the coin to free - */ -void -PERF_TALER_MINTDB_refresh_commit_coin_free (struct TALER_MINTDB_RefreshCommitCoin *commit_coin) -{ - GNUNET_free (commit_coin->refresh_link); - GNUNET_free (commit_coin); -} |