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-API work

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This commit is contained in:
Christian Grothoff 2022-02-04 22:02:48 +01:00
parent bd5a25aff2
commit d833966d52
No known key found for this signature in database
GPG Key ID: 939E6BE1E29FC3CC
5 changed files with 80 additions and 358 deletions
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14
src/include/taler_exchange_service.h
View File

@ -1392,6 +1392,12 @@ struct TALER_EXCHANGE_WithdrawResponse
* Signature over the coin.
*/
struct TALER_DenominationSignature sig;
/**
* Values contributed from the exchange during the
* withdraw protocol.
*/
struct TALER_ExchangeWithdrawValues exchange_vals;
} success;
/**
@ -1664,7 +1670,8 @@ TALER_EXCHANGE_melt_cancel (struct TALER_EXCHANGE_MeltHandle *mh);
*
* @param cls closure
* @param hr HTTP response data
* @param num_coins number of fresh coins created, length of the @a sigs and @a coin_privs arrays, 0 if the operation failed
* @param num_coins number of fresh coins created, length of the @a exchange_vals, @a sigs and @a coin_privs arrays, 0 if the operation failed
* @param exchange_vals array of contributions from the exchange on the refreshes
* @param coin_privs array of @a num_coins private keys for the coins that were created, NULL on error
* @param sigs array of signature over @a num_coins coins, NULL on error
*/
@ -1674,6 +1681,7 @@ typedef void
const struct TALER_EXCHANGE_HttpResponse *hr,
unsigned int num_coins,
const struct TALER_CoinSpendPrivateKeyP *coin_privs,
const struct TALER_ExchangeWithdrawValues *exchange_vals,
const struct TALER_DenominationSignature *sigs);
@ -2126,6 +2134,7 @@ typedef void
* @param exchange the exchange handle; the exchange must be ready to operate
* @param pk kind of coin to pay back
* @param denom_sig signature over the coin by the exchange using @a pk
* @param exchange_vals contribution from the exchange on the withdraw
* @param ps secret internals of the original planchet
* @param recoup_cb the callback to call when the final result for this request is available
* @param recoup_cb_cls closure for @a recoup_cb
@ -2137,6 +2146,7 @@ struct TALER_EXCHANGE_RecoupHandle *
TALER_EXCHANGE_recoup (struct TALER_EXCHANGE_Handle *exchange,
const struct TALER_EXCHANGE_DenomPublicKey *pk,
const struct TALER_DenominationSignature *denom_sig,
const struct TALER_ExchangeWithdrawValues *exchange_vals,
const struct TALER_PlanchetSecretsP *ps,
TALER_EXCHANGE_RecoupResultCallback recoup_cb,
void *recoup_cb_cls);
@ -2186,6 +2196,7 @@ typedef void
* @param exchange the exchange handle; the exchange must be ready to operate
* @param pk kind of coin to pay back
* @param denom_sig signature over the coin by the exchange using @a pk
* @param exchange_vals contribution from the exchange on the withdraw
* @param ps secret internals of the original refresh-reveal operation
* @param recoup_cb the callback to call when the final result for this request is available
* @param recoup_cb_cls closure for @a recoup_cb
@ -2198,6 +2209,7 @@ TALER_EXCHANGE_recoup_refresh (
struct TALER_EXCHANGE_Handle *exchange,
const struct TALER_EXCHANGE_DenomPublicKey *pk,
const struct TALER_DenominationSignature *denom_sig,
const struct TALER_ExchangeWithdrawValues *exchange_vals,
const struct TALER_PlanchetSecretsP *ps,
TALER_EXCHANGE_RecoupRefreshResultCallback recoup_cb,
void *recoup_cb_cls);

12
src/lib/exchange_api_melt.c
View File

@ -427,7 +427,8 @@ handle_melt_finished (void *cls,
struct TALER_EXCHANGE_MeltHandle *
TALER_EXCHANGE_melt (struct TALER_EXCHANGE_Handle *exchange,
const json_t *refresh_data,
const struct TALER_PlanchetSecretsP *ps,
const struct TALER_EXCHANGE_RefreshData *rd,
TALER_EXCHANGE_MeltCallback melt_cb,
void *melt_cb_cls)
{
@ -445,9 +446,10 @@ TALER_EXCHANGE_melt (struct TALER_EXCHANGE_Handle *exchange,
GNUNET_assert (GNUNET_YES ==
TEAH_handle_is_ready (exchange));
md = TALER_EXCHANGE_deserialize_melt_data_ (refresh_data,
exchange->key_data.currency);
if (NULL == md)
if (GNUNET_OK !=
TALER_EXCHANGE_get_melt_data (ps,
rd,
&md))
{
GNUNET_break (0);
return NULL;
@ -510,6 +512,7 @@ TALER_EXCHANGE_melt (struct TALER_EXCHANGE_Handle *exchange,
if (NULL == mh->url)
{
json_decref (melt_obj);
TALER_EXCHANGE_free_melt_data_ (&md);
GNUNET_free (mh);
return NULL;
}
@ -523,6 +526,7 @@ TALER_EXCHANGE_melt (struct TALER_EXCHANGE_Handle *exchange,
GNUNET_break (0);
if (NULL != eh)
curl_easy_cleanup (eh);
TALER_EXCHANGE_free_melt_data_ (&md);
json_decref (melt_obj);
GNUNET_free (mh->url);
GNUNET_free (mh);

359
src/lib/exchange_api_refresh_common.c
View File

@ -23,24 +23,11 @@
#include "exchange_api_refresh_common.h"
/**
* Free all information associated with a melted coin session.
*
* @param mc melted coin to release, the pointer itself is NOT
* freed (as it is typically not allocated by itself)
*/
static void
free_melted_coin (struct MeltedCoin *mc)
{
TALER_denom_pub_free (&mc->pub_key);
TALER_denom_sig_free (&mc->sig);
}
void
TALER_EXCHANGE_free_melt_data_ (struct MeltData *md)
{
free_melted_coin (&md->melted_coin);
TALER_denom_pub_free (&md->melted_coin.pub_key);
TALER_denom_sig_free (&md->melted_coin.sig);
if (NULL != md->fresh_pks)
{
for (unsigned int i = 0; i<md->num_fresh_coins; i++)
@ -55,296 +42,11 @@ TALER_EXCHANGE_free_melt_data_ (struct MeltData *md)
}
/**
* Serialize information about a coin we are melting.
*
* @param mc information to serialize
* @return NULL on error
*/
static json_t *
serialize_melted_coin (const struct MeltedCoin *mc)
{
json_t *tprivs;
tprivs = json_array ();
GNUNET_assert (NULL != tprivs);
for (unsigned int i = 0; i<TALER_CNC_KAPPA; i++)
GNUNET_assert (0 ==
json_array_append_new (
tprivs,
GNUNET_JSON_PACK (
GNUNET_JSON_pack_data_auto (
"transfer_priv",
&mc->transfer_priv[i]))));
return GNUNET_JSON_PACK (
GNUNET_JSON_pack_data_auto ("coin_priv",
&mc->coin_priv),
TALER_JSON_pack_denom_sig ("denom_sig",
&mc->sig),
TALER_JSON_pack_denom_pub ("denom_pub",
&mc->pub_key),
TALER_JSON_pack_amount ("melt_amount_with_fee",
&mc->melt_amount_with_fee),
TALER_JSON_pack_amount ("original_value",
&mc->original_value),
TALER_JSON_pack_amount ("melt_fee",
&mc->fee_melt),
GNUNET_JSON_pack_timestamp ("expire_deposit",
mc->expire_deposit),
GNUNET_JSON_pack_array_steal ("transfer_privs",
tprivs));
}
/**
* Deserialize information about a coin we are melting.
*
* @param[out] mc information to deserialize
* @param currency expected currency
* @param in JSON object to read data from
* @return #GNUNET_NO to report errors
*/
static enum GNUNET_GenericReturnValue
deserialize_melted_coin (struct MeltedCoin *mc,
const char *currency,
const json_t *in)
{
json_t *trans_privs;
struct GNUNET_JSON_Specification spec[] = {
GNUNET_JSON_spec_fixed_auto ("coin_priv",
&mc->coin_priv),
TALER_JSON_spec_denom_sig ("denom_sig",
&mc->sig),
TALER_JSON_spec_denom_pub ("denom_pub",
&mc->pub_key),
TALER_JSON_spec_amount ("melt_amount_with_fee",
currency,
&mc->melt_amount_with_fee),
TALER_JSON_spec_amount ("original_value",
currency,
&mc->original_value),
TALER_JSON_spec_amount ("melt_fee",
currency,
&mc->fee_melt),
GNUNET_JSON_spec_timestamp ("expire_deposit",
&mc->expire_deposit),
GNUNET_JSON_spec_json ("transfer_privs",
&trans_privs),
GNUNET_JSON_spec_end ()
};
if (GNUNET_OK !=
GNUNET_JSON_parse (in,
spec,
NULL, NULL))
{
GNUNET_break_op (0);
return GNUNET_NO;
}
if (TALER_CNC_KAPPA != json_array_size (trans_privs))
{
GNUNET_JSON_parse_free (spec);
GNUNET_break_op (0);
return GNUNET_NO;
}
for (unsigned int i = 0; i<TALER_CNC_KAPPA; i++)
{
struct GNUNET_JSON_Specification spec[] = {
GNUNET_JSON_spec_fixed_auto ("transfer_priv",
&mc->transfer_priv[i]),
GNUNET_JSON_spec_end ()
};
if (GNUNET_OK !=
GNUNET_JSON_parse (json_array_get (trans_privs,
i),
spec,
NULL, NULL))
{
GNUNET_break_op (0);
GNUNET_JSON_parse_free (spec);
return GNUNET_NO;
}
}
json_decref (trans_privs);
return GNUNET_OK;
}
/**
* Serialize melt data.
*
* @param md data to serialize
* @return serialized melt data
*/
static json_t *
serialize_melt_data (const struct MeltData *md)
{
json_t *fresh_coins;
fresh_coins = json_array ();
GNUNET_assert (NULL != fresh_coins);
for (int i = 0; i<md->num_fresh_coins; i++)
{
json_t *planchet_secrets;
planchet_secrets = json_array ();
GNUNET_assert (NULL != planchet_secrets);
for (unsigned int j = 0; j<TALER_CNC_KAPPA; j++)
{
json_t *ps;
ps = GNUNET_JSON_PACK (
GNUNET_JSON_pack_data_auto ("ps",
&md->fresh_coins[j][i]));
GNUNET_assert (0 ==
json_array_append_new (planchet_secrets,
ps));
}
GNUNET_assert (0 ==
json_array_append_new (
fresh_coins,
GNUNET_JSON_PACK (
TALER_JSON_pack_denom_pub ("denom_pub",
&md->fresh_pks[i]),
GNUNET_JSON_pack_array_steal ("planchet_secrets",
planchet_secrets)))
);
}
return GNUNET_JSON_PACK (
GNUNET_JSON_pack_array_steal ("fresh_coins",
fresh_coins),
GNUNET_JSON_pack_object_steal ("melted_coin",
serialize_melted_coin (&md->melted_coin)),
GNUNET_JSON_pack_data_auto ("rc",
&md->rc));
}
struct MeltData *
TALER_EXCHANGE_deserialize_melt_data_ (const json_t *melt_data,
const char *currency)
{
struct MeltData *md = GNUNET_new (struct MeltData);
json_t *fresh_coins;
json_t *melted_coin;
struct GNUNET_JSON_Specification spec[] = {
GNUNET_JSON_spec_fixed_auto ("rc",
&md->rc),
GNUNET_JSON_spec_json ("melted_coin",
&melted_coin),
GNUNET_JSON_spec_json ("fresh_coins",
&fresh_coins),
GNUNET_JSON_spec_end ()
};
bool ok;
if (GNUNET_OK !=
GNUNET_JSON_parse (melt_data,
spec,
NULL, NULL))
{
GNUNET_break (0);
GNUNET_JSON_parse_free (spec);
GNUNET_free (md);
return NULL;
}
if (! (json_is_array (fresh_coins) &&
json_is_object (melted_coin)) )
{
GNUNET_break (0);
GNUNET_JSON_parse_free (spec);
return NULL;
}
if (GNUNET_OK !=
deserialize_melted_coin (&md->melted_coin,
currency,
melted_coin))
{
GNUNET_break (0);
GNUNET_JSON_parse_free (spec);
return NULL;
}
md->num_fresh_coins = json_array_size (fresh_coins);
md->fresh_pks = GNUNET_new_array (md->num_fresh_coins,
struct TALER_DenominationPublicKey);
for (unsigned int i = 0; i<TALER_CNC_KAPPA; i++)
md->fresh_coins[i] = GNUNET_new_array (md->num_fresh_coins,
struct TALER_PlanchetSecretsP);
ok = true;
for (unsigned int i = 0; i<md->num_fresh_coins; i++)
{
const json_t *ji = json_array_get (fresh_coins,
i);
json_t *planchet_secrets;
struct GNUNET_JSON_Specification ispec[] = {
GNUNET_JSON_spec_json ("planchet_secrets",
&planchet_secrets),
TALER_JSON_spec_denom_pub ("denom_pub",
&md->fresh_pks[i]),
GNUNET_JSON_spec_end ()
};
if (GNUNET_OK !=
GNUNET_JSON_parse (ji,
ispec,
NULL, NULL))
{
GNUNET_break (0);
ok = false;
break;
}
if ( (! json_is_array (planchet_secrets)) ||
(TALER_CNC_KAPPA != json_array_size (planchet_secrets)) )
{
GNUNET_break (0);
ok = false;
GNUNET_JSON_parse_free (ispec);
break;
}
for (unsigned int j = 0; j<TALER_CNC_KAPPA; j++)
{
struct GNUNET_JSON_Specification jspec[] = {
GNUNET_JSON_spec_fixed_auto ("ps",
&md->fresh_coins[j][i]),
GNUNET_JSON_spec_end ()
};
if (GNUNET_OK !=
GNUNET_JSON_parse (json_array_get (planchet_secrets,
j),
jspec,
NULL, NULL))
{
GNUNET_break (0);
ok = false;
break;
}
}
json_decref (planchet_secrets);
if (! ok)
break;
}
GNUNET_JSON_parse_free (spec);
if (! ok)
{
TALER_EXCHANGE_free_melt_data_ (md);
GNUNET_free (md);
return NULL;
}
return md;
}
json_t *
TALER_EXCHANGE_refresh_prepare (
const struct TALER_CoinSpendPrivateKeyP *melt_priv,
const struct TALER_Amount *melt_amount,
const struct TALER_DenominationSignature *melt_sig,
const struct TALER_EXCHANGE_DenomPublicKey *melt_pk,
unsigned int fresh_pks_len,
const struct TALER_EXCHANGE_DenomPublicKey *fresh_pks)
enum GNUNET_GenericReturnValue
TALER_EXCHANGE_get_melt_data_ (
const struct TALER_PlanchetSecretsP *ps,
const struct struct TALER_EXCHANGE_RefreshData *rd,
struct MeltData *md)
{
struct MeltData md;
json_t *ret;
@ -359,68 +61,68 @@ TALER_EXCHANGE_refresh_prepare (
memset (&md,
0,
sizeof (md));
md.num_fresh_coins = fresh_pks_len;
md.melted_coin.coin_priv = *melt_priv;
md.melted_coin.melt_amount_with_fee = *melt_amount;
md.melted_coin.fee_melt = melt_pk->fee_refresh;
md.melted_coin.original_value = melt_pk->value;
md.melted_coin.expire_deposit
= melt_pk->expire_deposit;
md.num_fresh_coins = rd->fresh_pks_len;
md.melted_coin.coin_priv = rd->melt_priv;
md.melted_coin.melt_amount_with_fee = rd->melt_amount;
md.melted_coin.fee_melt = rd->melt_pk->fee_refresh;
md.melted_coin.original_value = rd->melt_pk->value;
md.melted_coin.expire_deposit = rd->melt_pk->expire_deposit;
GNUNET_assert (GNUNET_OK ==
TALER_amount_set_zero (melt_amount->currency,
&total));
TALER_denom_pub_deep_copy (&md.melted_coin.pub_key,
&melt_pk->key);
&rd->melt_pk->key);
TALER_denom_sig_deep_copy (&md.melted_coin.sig,
melt_sig);
md.fresh_pks = GNUNET_new_array (fresh_pks_len,
rd->melt_sig);
md.fresh_pks = GNUNET_new_array (rd->fresh_pks_len,
struct TALER_DenominationPublicKey);
for (unsigned int i = 0; i<fresh_pks_len; i++)
for (unsigned int i = 0; i<rd->fresh_pks_len; i++)
{
TALER_denom_pub_deep_copy (&md.fresh_pks[i],
&fresh_pks[i].key);
if ( (0 >
TALER_amount_add (&total,
&total,
&fresh_pks[i].value)) ||
&rd->fresh_pks[i].value)) ||
(0 >
TALER_amount_add (&total,
&total,
&fresh_pks[i].fee_withdraw)) )
&rd->fresh_pks[i].fee_withdraw)) )
{
GNUNET_break (0);
TALER_EXCHANGE_free_melt_data_ (&md);
return NULL;
return GNUNET_SYSERR;
}
}
/* verify that melt_amount is above total cost */
if (1 ==
TALER_amount_cmp (&total,
melt_amount) )
rd->melt_amount) )
{
/* Eh, this operation is more expensive than the
@a melt_amount. This is not OK. */
GNUNET_break (0);
TALER_EXCHANGE_free_melt_data_ (&md);
return NULL;
return GNUNET_SYSERR;
}
/* build up coins */
for (unsigned int i = 0; i<TALER_CNC_KAPPA; i++)
{
// FIXME: derive!
GNUNET_CRYPTO_ecdhe_key_create (
&md.melted_coin.transfer_priv[i].ecdhe_priv);
GNUNET_CRYPTO_ecdhe_key_get_public (
&md.melted_coin.transfer_priv[i].ecdhe_priv,
&rce[i].transfer_pub.ecdhe_pub);
TALER_link_derive_transfer_secret (melt_priv,
TALER_link_derive_transfer_secret (&rd->melt_priv,
&md.melted_coin.transfer_priv[i],
&trans_sec[i]);
md.fresh_coins[i] = GNUNET_new_array (fresh_pks_len,
md.fresh_coins[i] = GNUNET_new_array (rd->fresh_pks_len,
struct TALER_PlanchetSecretsP);
rce[i].new_coins = GNUNET_new_array (fresh_pks_len,
rce[i].new_coins = GNUNET_new_array (rd->fresh_pks_len,
struct TALER_RefreshCoinData);
for (unsigned int j = 0; j<fresh_pks_len; j++)
for (unsigned int j = 0; j<rd->fresh_pks_len; j++)
{
struct TALER_PlanchetSecretsP *fc = &md.fresh_coins[i][j];
struct TALER_RefreshCoinData *rcd = &rce[i].new_coins[j];
@ -458,15 +160,12 @@ TALER_EXCHANGE_refresh_prepare (
fresh_pks_len,
rce,
&coin_pub,
melt_amount);
/* finally, serialize everything */
ret = serialize_melt_data (&md);
&rd->melt_amount);
for (unsigned int i = 0; i < TALER_CNC_KAPPA; i++)
{
for (unsigned int j = 0; j < fresh_pks_len; j++)
GNUNET_free (rce[i].new_coins[j].coin_ev);
GNUNET_free (rce[i].new_coins);
}
TALER_EXCHANGE_free_melt_data_ (&md);
return ret;
return GNUNET_OK;
}

16
src/lib/exchange_api_refresh_common.h
View File

@ -111,15 +111,17 @@ struct MeltData
/**
* Deserialize melt data.
* Compute the melt data from the refresh data and secret.
*
* @param data json data to deserialize
* @param currency expected currency for the coins
* @return deserialized melt data, NULL on error
* @param ps secret internals of the refresh-reveal operation
* @param rd refresh data with the characteristics of the operation
* @param[out] rd where to write the derived melt data
*/
struct MeltData *
TALER_EXCHANGE_deserialize_melt_data_ (const json_t *data,
const char *currency);
enum GNUNET_GenericReturnValue
TALER_EXCHANGE_get_melt_data_ (
const struct TALER_PlanchetSecretsP *ps,
const struct struct TALER_EXCHANGE_RefreshData *rd,
struct MeltData *md);
/**

33
src/lib/exchange_api_refreshes_reveal.c
View File

@ -73,7 +73,7 @@ struct TALER_EXCHANGE_RefreshesRevealHandle
/**
* Actual information about the melt operation.
*/
struct MeltData *md;
struct MeltData md;
/**
* The index selected by the exchange in cut-and-choose to not be revealed.
@ -298,7 +298,8 @@ handle_refresh_reveal_finished (void *cls,
struct TALER_EXCHANGE_RefreshesRevealHandle *
TALER_EXCHANGE_refreshes_reveal (
struct TALER_EXCHANGE_Handle *exchange,
const json_t *refresh_data,
const struct TALER_PlanchetSecretsP *ps,
const struct TALER_EXCHANGE_RefreshData *rd,
uint32_t noreveal_index,
TALER_EXCHANGE_RefreshesRevealCallback reveal_cb,
void *reveal_cb_cls)
@ -311,7 +312,7 @@ TALER_EXCHANGE_refreshes_reveal (
json_t *link_sigs;
CURL *eh;
struct GNUNET_CURL_Context *ctx;
struct MeltData *md;
struct MeltData md;
struct TALER_TransferPublicKeyP transfer_pub;
char arg_str[sizeof (struct TALER_RefreshCommitmentP) * 2 + 32];
@ -330,9 +331,10 @@ TALER_EXCHANGE_refreshes_reveal (
GNUNET_break (0);
return NULL;
}
md = TALER_EXCHANGE_deserialize_melt_data_ (refresh_data,
exchange->key_data.currency);
if (NULL == md)
if (GNUNET_OK !=
TALER_EXCHANGE_get_melt_data (ps,
rd,
&md))
{
GNUNET_break (0);
return NULL;
@ -340,21 +342,21 @@ TALER_EXCHANGE_refreshes_reveal (
/* now transfer_pub */
GNUNET_CRYPTO_ecdhe_key_get_public (
&md->melted_coin.transfer_priv[noreveal_index].ecdhe_priv,
&md.melted_coin.transfer_priv[noreveal_index].ecdhe_priv,
&transfer_pub.ecdhe_pub);
/* now new_denoms */
GNUNET_assert (NULL != (new_denoms_h = json_array ()));
GNUNET_assert (NULL != (coin_evs = json_array ()));
GNUNET_assert (NULL != (link_sigs = json_array ()));
for (unsigned int i = 0; i<md->num_fresh_coins; i++)
for (unsigned int i = 0; i<md.num_fresh_coins; i++)
{
struct TALER_DenominationHash denom_hash;
struct TALER_ExchangeWithdrawValues alg_values;
struct TALER_PlanchetDetail pd;
struct TALER_CoinPubHash c_hash;
TALER_denom_pub_hash (&md->fresh_pks[i],
TALER_denom_pub_hash (&md.fresh_pks[i],
&denom_hash);
GNUNET_assert (0 ==
json_array_append_new (new_denoms_h,
@ -364,9 +366,9 @@ TALER_EXCHANGE_refreshes_reveal (
// TODO: implement cipher handling
alg_values.cipher = TALER_DENOMINATION_RSA;
if (GNUNET_OK !=
TALER_planchet_prepare (&md->fresh_pks[i],
TALER_planchet_prepare (&md.fresh_pks[i],
&alg_values,
&md->fresh_coins[noreveal_index][i],
&md.fresh_coins[noreveal_index][i],
&c_hash,
&pd))
{
@ -374,6 +376,7 @@ TALER_EXCHANGE_refreshes_reveal (
GNUNET_break (0);
json_decref (new_denoms_h);
json_decref (coin_evs);
TALER_EXCHANGE_free_melt_data_ (&md);
return NULL;
}
GNUNET_assert (0 ==
@ -394,7 +397,7 @@ TALER_EXCHANGE_refreshes_reveal (
blinded_msg,
pd.blinded_planchet.details.rsa_blinded_planchet.
blinded_msg_size,
&md->melted_coin.coin_priv,
&md.melted_coin.coin_priv,
&link_sig);
GNUNET_assert (0 ==
json_array_append_new (
@ -417,7 +420,7 @@ TALER_EXCHANGE_refreshes_reveal (
GNUNET_assert (0 ==
json_array_append_new (transfer_privs,
GNUNET_JSON_from_data_auto (
&md->melted_coin.transfer_priv[j])));
&md.melted_coin.transfer_priv[j])));
}
/* build main JSON request */
@ -436,7 +439,7 @@ TALER_EXCHANGE_refreshes_reveal (
char pub_str[sizeof (struct TALER_RefreshCommitmentP) * 2];
char *end;
end = GNUNET_STRINGS_data_to_string (&md->rc,
end = GNUNET_STRINGS_data_to_string (&md.rc,
sizeof (struct
TALER_RefreshCommitmentP),
pub_str,
@ -459,6 +462,7 @@ TALER_EXCHANGE_refreshes_reveal (
if (NULL == rrh->url)
{
json_decref (reveal_obj);
TALER_EXCHANGE_free_melt_data_ (&md);
GNUNET_free (rrh);
return NULL;
}
@ -473,6 +477,7 @@ TALER_EXCHANGE_refreshes_reveal (
if (NULL != eh)
curl_easy_cleanup (eh);
json_decref (reveal_obj);
TALER_EXCHANGE_free_melt_data_ (&md);
GNUNET_free (rrh->url);
GNUNET_free (rrh);
return NULL;