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libbrandt/test_brandt.c

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/* This file is part of libbrandt.
* Copyright (C) 2016 GNUnet e.V.
*
* libbrandt 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 of the License, or (at your option) any later
* version.
*
* libbrandt 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
* libbrandt. If not, see <http://www.gnu.org/licenses/>.
*/
/**
* @file test_brandt.c
* @brief testing API functions.
* @author Markus Teich
*/
#include "platform.h"
#include <gnunet/gnunet_util_lib.h>
#include <gnunet/gnunet_json_lib.h>
#include <jansson.h>
#include "brandt.h"
#include "crypto.h"
#include "util.h"
#define MIN(A, B) ((A) < (B) ? (A) : (B))
struct msg
{
uint16_t sender;
uint16_t receiver;
void *buf;
size_t buf_len;
};
struct testcase
{
uint16_t n;
uint16_t k;
uint16_t *bids;
uint16_t m;
uint16_t outcome_public;
uint16_t ret;
struct BRANDT_Auction **ad;
uint16_t *id;
uint16_t *result_called;
/* key material for signatures */
struct GNUNET_CRYPTO_EddsaPrivateKey *prv;
struct GNUNET_CRYPTO_EddsaPublicKey *pub;
struct msg **tr; /* transcript of the messages */
size_t tr_idx;
struct BRANDT_Auction *rad; /* auction for replay */
struct BRANDT_Result *res; /* result for transcript */
size_t res_len;
};
static struct testcase tcase;
static struct GNUNET_CRYPTO_EccDlogContext *edc;
static struct BRANDT_Result *
expected_outcome (uint16_t i, uint16_t *rlen)
{
struct BRANDT_Result *ret = NULL;
int32_t highest_bidder = -1;
int32_t highest_bid = -1;
int32_t mpf_highest_bidder;
int32_t mpf_highest_bid = -1;
int32_t prev_mpf_highest_bidder = -1;
uint16_t winners = MIN (tcase.m, tcase.n);
uint16_t cur_winner = 0;
*rlen = 0;
if (0 == tcase.n)
return NULL;
if (0 == tcase.m)
{
for (uint16_t h = 0; h < tcase.n; h++)
if (tcase.bids[h] > highest_bid)
highest_bid = tcase.bids[highest_bidder = h];
if (!tcase.outcome_public && !(i == highest_bidder || i == tcase.n))
return NULL;
ret = GNUNET_new (struct BRANDT_Result);
ret->bidder = highest_bidder;
ret->price = highest_bid;
ret->status = BRANDT_bidder_won;
*rlen = 1;
return ret;
}
/* fewer bidders than needed -> everyone wins with lowest price */
if (tcase.n <= tcase.m)
{
if (tcase.outcome_public || i == tcase.n)
{
ret = GNUNET_new_array ((*rlen = tcase.n), struct BRANDT_Result);
for (uint16_t h = 0; h < tcase.n; h++)
{
ret[h].bidder = h;
ret[h].price = 0;
ret[h].status = BRANDT_bidder_won;
}
}
else
{
ret = GNUNET_new (struct BRANDT_Result);
ret->bidder = i;
ret->price = 0;
ret->status = BRANDT_bidder_won;
*rlen = 1;
}
return ret;
}
/* find M+1st highest bidder to determine selling price */
for (uint16_t h = 0; h < tcase.n; h++)
if (tcase.bids[h] > mpf_highest_bid)
mpf_highest_bid = tcase.bids[prev_mpf_highest_bidder = h];
for (uint16_t m = 0; m < MIN (tcase.m, tcase.n - 1); m++)
{
mpf_highest_bidder = -1;
mpf_highest_bid = -1;
for (uint16_t h = 0; h < tcase.n; h++)
{
if (tcase.bids[h] > mpf_highest_bid &&
(tcase.bids[h] < tcase.bids[prev_mpf_highest_bidder] ||
(tcase.bids[h] == tcase.bids[prev_mpf_highest_bidder] &&
h > prev_mpf_highest_bidder)))
{
mpf_highest_bid = tcase.bids[mpf_highest_bidder = h];
}
}
prev_mpf_highest_bidder = mpf_highest_bidder;
}
/* for simplicity always locate the big block if we need to report at
* least one winner. with private outcome for losing bidders or winners
* only none or one element will be used respectively. */
if (tcase.outcome_public || i == tcase.n ||
tcase.bids[i] > mpf_highest_bid ||
(tcase.bids[i] == mpf_highest_bid && i < mpf_highest_bidder))
ret = GNUNET_new_array (winners, struct BRANDT_Result);
/* report winners */
for (uint16_t h = 0; h < tcase.n; h++)
{
if (((tcase.bids[h] == mpf_highest_bid && h < mpf_highest_bidder) ||
tcase.bids[h] > mpf_highest_bid) && /* h is a winner */
(tcase.outcome_public || i == h || i == tcase.n)) /* needs report */
{
if (cur_winner >= winners)
{
GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "got too many winners\n");
_exit (1);
}
ret[cur_winner].bidder = h;
ret[cur_winner].price = mpf_highest_bid;
ret[cur_winner].status = BRANDT_bidder_won;
cur_winner++;
}
}
*rlen = cur_winner;
return ret;
}
static void
bidder_start (void *arg)
{
uint16_t i = *(uint16_t *) arg;
GNUNET_log (GNUNET_ERROR_TYPE_INFO, "starting bidder %d\n", i);
BRANDT_bidder_start (tcase.ad[i], i, tcase.n);
}
static void
transfer_message (void *arg)
{
struct msg *m = (struct msg *) arg;
struct msg_head *h = (struct msg_head *) m->buf;
GNUNET_log (GNUNET_ERROR_TYPE_INFO, "xfer msg %d %p from %d to %d\n",
ntohl (h->msg_type), arg, m->sender, m->receiver);
/** keep a transcript as the seller **/
if (tcase.n == m->receiver)
{
struct msg *m2 = GNUNET_new (struct msg);
m2->sender = m->sender;
m2->buf_len = m->buf_len;
m2->buf = GNUNET_malloc (m->buf_len);
GNUNET_memcpy (m2->buf, m->buf, m->buf_len);
tcase.tr[tcase.tr_idx++] = m2;
}
BRANDT_got_message (tcase.ad[m->receiver], m->sender, m->buf, m->buf_len);
GNUNET_free (m->buf);
GNUNET_free (m);
}
static uint16_t
cb_start (void *auction_closure)
{
uint16_t *s = (uint16_t *) auction_closure;
if (tcase.n != *s)
{
GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
"start callback called from bidder\n");
_exit (1);
}
for (uint16_t i = 0; i < tcase.n; i++)
GNUNET_SCHEDULER_add_now (&bidder_start, &tcase.id[i]);
return tcase.n;
}
static int
cb_broadcast (void *auction_closure,
const void *msg,
size_t msg_len)
{
uint16_t *s = (uint16_t *) auction_closure;
struct msg *m;
for (uint16_t i = 0; i <= tcase.n; i++)
{
if (i == *s)
continue;
m = GNUNET_new (struct msg);
m->sender = *s;
m->receiver = i;
m->buf = GNUNET_new_array (msg_len, unsigned char);
memcpy (m->buf, msg, msg_len);
m->buf_len = msg_len;
GNUNET_SCHEDULER_add_now (&transfer_message, m);
}
return 0;
}
static int
cb_unicast (void *auction_closure,
const void *msg,
size_t msg_len)
{
uint16_t *s = (uint16_t *) auction_closure;
struct msg *m;
m = GNUNET_new (struct msg);
m->sender = *s;
m->receiver = tcase.n; /* == seller */
m->buf = GNUNET_new_array (msg_len, unsigned char);
memcpy (m->buf, msg, msg_len);
m->buf_len = msg_len;
GNUNET_SCHEDULER_add_now (&transfer_message, m);
return 0;
}
static void
cb_result (void *auction_closure,
struct BRANDT_Result results[],
uint16_t results_len)
{
uint16_t *s = (uint16_t *) auction_closure;
uint16_t mustlen = -1;
struct BRANDT_Result *must = expected_outcome (*s, &mustlen);
if (mustlen != results_len)
{
GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
"expected result len is: %d\n",
mustlen);
GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
"computed result len is: %d (by agent %d)\n",
results_len,
*s);
tcase.ret = 1;
goto quit;
}
if (0 == results_len && NULL != must)
{
GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
"expected result is: %p\n",
(void *) must);
GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
"computed result is: (nil) (by agent %d)\n",
*s);
tcase.ret = 1;
}
for (uint16_t i = 0; i < results_len; i++)
{
GNUNET_log (
GNUNET_ERROR_TYPE_INFO,
"[%s] expected result is: bidder %d got status %d with price %d\n",
tcase.n == *s ? "seller" : "bidder",
must[i].bidder,
must[i].status,
must[i].price);
GNUNET_log (
GNUNET_ERROR_TYPE_INFO,
"[%s] computed result is: bidder %d got status %d with price %d (by agent %d)\n",
tcase.n == *s ? "seller" : "bidder",
results[i].bidder,
results[i].status,
results[i].price,
*s);
if (NULL == must ||
must[i].bidder != results[i].bidder ||
must[i].status != results[i].status ||
must[i].price != results[i].price)
tcase.ret = 1;
}
if (*s == tcase.n)
{
/* save the results of the seller */
GNUNET_log (GNUNET_ERROR_TYPE_INFO,
"Saving results, len %d\n",
results_len);
tcase.res = results;
tcase.res_len = results_len;
}
quit:
tcase.result_called[*s] = 1;
if (must)
GNUNET_free (must);
}
static void
run_auction (void *arg)
{
void *desc;
size_t desc_len;
tcase.ad[tcase.n] = BRANDT_new (&cb_result,
&cb_broadcast,
&cb_start,
&tcase.id[tcase.n],
&desc,
&desc_len,
GNUNET_TIME_absolute_get (),
GNUNET_TIME_UNIT_MINUTES,
tcase.k, /* number of prizes */
tcase.m, /* m */
tcase.outcome_public, /* outcome public */
tcase.outcome_public ? edc : NULL);
if (!tcase.ad[tcase.n])
{
GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "BRANDT_new() failed.\n");
_exit (1);
}
for (uint16_t i = 0; i < tcase.n; i++)
{
tcase.ad[i] = BRANDT_join (&cb_result,
&cb_broadcast,
&cb_unicast,
&tcase.id[i],
desc,
desc_len,
tcase.bids[i], /* bid */
tcase.outcome_public ? edc : NULL);
if (!tcase.ad[i])
{
GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "BRANDT_join() failed.\n");
tcase.ret = 1;
return;
}
if (tcase.ad[tcase.n]->k != tcase.ad[i]->k ||
tcase.ad[tcase.n]->m != tcase.ad[i]->m ||
tcase.ad[tcase.n]->outcome_public != tcase.ad[i]->outcome_public ||
tcase.ad[tcase.n]->time_start.abs_value_us
!= tcase.ad[i]->time_start.abs_value_us ||
tcase.ad[tcase.n]->time_round.rel_value_us
!= tcase.ad[i]->time_round.rel_value_us ||
!tcase.ad[tcase.n]->seller_mode || /* todo: split out */
tcase.ad[i]->seller_mode)
{
GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
"error/mismatch in basic auction data\n");
tcase.ret = 1;
return;
}
}
}
static void
tr_result (void *auction_closure,
struct BRANDT_Result results[],
uint16_t results_len)
{
uint16_t *s = (uint16_t *) auction_closure;
uint16_t mustlen = -1;
struct BRANDT_Result *must = expected_outcome (*s, &mustlen);
if (mustlen != results_len)
{
GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
"expected result len is: %d\n",
mustlen);
GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
"computed result len is: %d (by seller)\n",
results_len);
tcase.ret = 1;
goto quit;
}
if (0 == results_len && NULL != must)
{
GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
"expected result is: %p\n",
(void *) must);
GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
"computed result is: (nil) (by seller)\n");
tcase.ret = 1;
}
for (uint16_t i = 0; i < results_len; i++)
{
GNUNET_log (
GNUNET_ERROR_TYPE_INFO,
"REPLAY [seller] expected result is: bidder %d got status %d with price %d\n",
must[i].bidder,
must[i].status,
must[i].price);
GNUNET_log (
GNUNET_ERROR_TYPE_INFO,
"REPLAY [seller] computed result is: bidder %d got status %d with price %d\n",
results[i].bidder,
results[i].status,
results[i].price);
if (NULL == must ||
must[i].bidder != results[i].bidder ||
must[i].status != results[i].status ||
must[i].price != results[i].price)
tcase.ret = 1;
}
quit:
tcase.result_called[*s] = 1;
if (must)
GNUNET_free (must);
}
static uint16_t
tr_start (void *auction_closure)
{
void
resend (void *x)
{
size_t i = (size_t) x;
struct msg *m = tcase.tr[i];
if (NULL == m)
{
dprintf (2, "REPLAY skipping empty msg no. %ld\n", i);
return;
}
dprintf (2, "REPLAY sent msg no. %ld\n", i);
BRANDT_got_message (tcase.rad, m->sender, m->buf, m->buf_len);
}
dprintf (2, "REPLAY start replay auction\n");
for (size_t i = 0; i < 4 * tcase.n; i++)
GNUNET_SCHEDULER_add_now (&resend, (void *) i);
return tcase.n;
}
struct some_sig {
struct GNUNET_CRYPTO_EccSignaturePurpose purpose;
struct GNUNET_HashCode hc GNUNET_PACKED;
};
static void
print_transcript (uint32_t highestprice)
{
struct BRANDT_Auction *ad = tcase.ad[tcase.n];
json_t *root;
json_t *auction;
json_t *prices;
json_t *bidders;
json_t *sigs;
json_t *transcript;
json_t *winners;
struct GNUNET_HashCode hc;
struct some_sig p = { .purpose.size = htonl(sizeof(struct some_sig)) };
char price[256];
prices = json_array ();
GNUNET_assert (prices);
for (size_t p = 0; p < tcase.k; p++)
{
sprintf(price, "EUR:%d", highestprice--);
GNUNET_assert (
-1 != json_array_append_new (
prices,
json_string(price)));
}
auction = json_pack ("{s:{s:o}, s:{s:o}, s:i, s:b, s:o, s:s, s:s}",
"time_start", "t_s", json_integer (ad->time_start.abs_value_us / 1000LL),
"time_round", "d_us", json_integer (ad->time_round.rel_value_us),
"type", ad->m,
"public", ad->outcome_public == 0 ? json_false () : json_true (),
"prices", prices,
"payto", "payto://some/iban",
"pubkey", GNUNET_CRYPTO_eddsa_public_key_to_string (
&tcase.pub[tcase.n]));
GNUNET_assert (auction);
bidders = json_array ();
GNUNET_assert (bidders);
for (size_t b = 0; b < tcase.n; b++)
{
char *ps = GNUNET_CRYPTO_eddsa_public_key_to_string (&tcase.pub[b]);
GNUNET_assert (-1 !=
json_array_append_new (bidders,
json_string (ps)));
}
// Add signatures form each bidder for the auction.
sigs = json_array ();
GNUNET_assert (sigs);
{
char *auc_js = json_dumps(auction, JSON_COMPACT);
GNUNET_CRYPTO_hash(auc_js,
strlen(auc_js),
&hc);
p.purpose.purpose = htonl(23);
p.hc = hc;
for (size_t b = 0; b < tcase.n; b++)
{
struct GNUNET_CRYPTO_EddsaSignature sig;
GNUNET_CRYPTO_eddsa_sign(&tcase.prv[b],
&p,
&sig);
GNUNET_assert (-1 !=
json_array_append_new (
sigs,
GNUNET_JSON_from_data_auto(&sig)));
}
}
transcript = json_array ();
GNUNET_assert (transcript);
for (size_t i = 0; i < 4 * tcase.n; i++)
{
json_t *entry;
struct msg *msg = tcase.tr[i];
struct GNUNET_CRYPTO_EddsaSignature sig;
if (NULL == msg)
{
GNUNET_log(GNUNET_ERROR_TYPE_INFO,
"skipping NULL msg[%ld]\n", i);
continue;
}
GNUNET_assert (msg);
GNUNET_CRYPTO_hash(msg->buf, msg->buf_len, &hc);
p.purpose.purpose = htonl(42);
p.hc = hc;
GNUNET_CRYPTO_eddsa_sign (
&tcase.prv[msg->sender],
&p,
&sig);
entry = json_pack ("{s:i, s:o, s:o}",
"bidder", msg->sender,
"msg", GNUNET_JSON_from_data (msg->buf, msg->buf_len),
"sig", GNUNET_JSON_from_data_auto(&sig));
GNUNET_assert (entry);
GNUNET_assert (-1 !=
json_array_append_new (transcript,
entry));
}
winners = json_array();
GNUNET_assert (winners);
// add the winner(s)
{
for (uint16_t i = 0; i < tcase.res_len ; i++)
{
json_t *res = json_pack("{s:i, s:i, s:o*}",
"bidder",
tcase.res[i].bidder,
"price_idx",
tcase.res[i].price,
"price",
json_array_get(prices, tcase.res[i].price));
GNUNET_assert(res);
GNUNET_assert(-1 !=
json_array_append_new(winners, res));
}
}
root = json_pack ("{s:o, s:o, s:o, s:o, s:o}",
"auction", auction,
"bidders", bidders,
"signatures", sigs,
"transcript", transcript,
"winners", winners);
GNUNET_assert (root);
// Add signature of seller to H(auction, bidders, signatures, transscript, result)
{
struct GNUNET_CRYPTO_EddsaSignature sig;
char *root_js = json_dumps(root, JSON_COMPACT|JSON_SORT_KEYS);
GNUNET_CRYPTO_hash(root_js,
strlen(root_js),
&hc);
p.purpose.purpose = htonl(815);
p.hc = hc;
GNUNET_CRYPTO_eddsa_sign(&tcase.prv[tcase.n],
&p,
&sig);
GNUNET_assert ( -1 !=
json_object_set_new (
root,
"sig",
GNUNET_JSON_from_data_auto(&sig)));
free(root_js);
}
printf ("%s\n", json_dumps (root, JSON_INDENT (2)));
json_decref (root);
}
static void
replay_transcript (void *arg)
{
void *desc;
size_t desc_len;
static struct GNUNET_CRYPTO_EccDlogContext *redc;
print_transcript(96);
redc = GNUNET_CRYPTO_ecc_dlog_prepare (1024, 16);
dprintf (2,"REPLAY, calling BRANDT_new...\n");
tcase.rad = BRANDT_new (&tr_result,
NULL,
&tr_start,
&tcase.id[tcase.n],
&desc,
&desc_len,
tcase.ad[tcase.n]->time_start,
tcase.ad[tcase.n]->time_round,
tcase.k, /* number of prizes */
tcase.m, /* m */
tcase.outcome_public, /* outcome public */
tcase.outcome_public ? redc : NULL);
if (!tcase.rad)
{
GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "REPLAY BRANDT_new() failed.\n");
_exit (1);
}
}
/**
* Test a specific auction setup.
*
* @param[in] n number of bidders.
* @param[in] k number of different prices.
* @param[in] bids The bid array. Must contain exactly @a n elements each less
* than @a k.
* @param[in] m If 0 it's a first price auction, else an M+1st price auction
* specifying the M.
* @param[in] outcome_public 1 means public outcome, 0 means private outcome.
* @return 0 on success, 1 on failure
*/
static int
test_auction (uint16_t n,
uint16_t k,
uint16_t *bids,
uint16_t m,
uint16_t outcome_public)
{
tcase.n = n;
tcase.k = k;
tcase.bids = bids;
tcase.m = m;
tcase.outcome_public = outcome_public;
tcase.ret = 0;
tcase.res = NULL;
tcase.res_len = 0;
GNUNET_log (GNUNET_ERROR_TYPE_INFO,
"######################################\n");
GNUNET_log (GNUNET_ERROR_TYPE_INFO,
"testing %s auction with m = %d and %s outcome\n",
tcase.m > 0 ? "M+1ST PRICE" : "FIRST PRICE",
tcase.m,
tcase.outcome_public ? "PUBLIC" : "PRIVATE");
/** \todo: output bids */
GNUNET_log (GNUNET_ERROR_TYPE_INFO,
"######################################\n");
tcase.ad = GNUNET_new_array (tcase.n + 1, struct BRANDT_Auction *);
tcase.id = GNUNET_new_array (tcase.n + 1, uint16_t);
tcase.prv = GNUNET_new_array (tcase.n + 1, struct
GNUNET_CRYPTO_EddsaPrivateKey);
tcase.pub = GNUNET_new_array (tcase.n + 1, struct
GNUNET_CRYPTO_EddsaPublicKey);
for (uint16_t i = 0; i <= tcase.n; i++)
{
tcase.id[i] = i;
GNUNET_CRYPTO_eddsa_key_create (&tcase.prv[i]);
GNUNET_CRYPTO_eddsa_key_get_public (&tcase.prv[i], &tcase.pub[i]);
}
tcase.result_called = GNUNET_new_array (tcase.n + 1, uint16_t);
tcase.tr = GNUNET_new_array (4 * tcase.n, struct msg *); /* transcript, one message per bidder per round */
GNUNET_SCHEDULER_run (&run_auction, NULL);
for (uint16_t i = 0; i <= tcase.n; i++)
{
BRANDT_destroy (tcase.ad[i]);
if (!tcase.result_called[i])
{
GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
"result callback not called for bidder %d\n",
i);
tcase.ret = 1;
}
}
GNUNET_SCHEDULER_run (&replay_transcript, NULL);
GNUNET_log (GNUNET_ERROR_TYPE_INFO,
"DONE testing auction\n");
tcase.tr_idx = 0;
GNUNET_free (tcase.tr);
GNUNET_free (tcase.ad);
GNUNET_free (tcase.id);
GNUNET_free (tcase.result_called);
GNUNET_free (tcase.prv);
GNUNET_free (tcase.pub);
return tcase.ret;
}
int
main (int argc, char *argv[])
{
int ret = 0;
if (GNUNET_OK != GNUNET_log_setup ("test_brandt", "INFO", NULL))
return 1;
edc = GNUNET_CRYPTO_ecc_dlog_prepare (1024, 16);
BRANDT_init ();
ret |= 0 ||
/*
// zero bidders
test_auction (0, 2, NULL, 0, 0) ||
test_auction (0, 2, NULL, 0, 1) ||
test_auction (0, 2, NULL, 1, 0) ||
test_auction (0, 2, NULL, 2, 0) ||
// too few bidders => outcome is lowest possible price
test_auction (1, 2, (uint16_t[]) { 1 }, 1, 0) ||
test_auction (1, 2, (uint16_t[]) { 0 }, 2, 0) ||
test_auction (2, 2, (uint16_t[]) { 1, 0 }, 2, 0) ||
test_auction (2, 2, (uint16_t[]) { 1, 0 }, 1, 0) ||
test_auction (3, 2, (uint16_t[]) { 0, 0, 1 }, 2, 0) ||
// general checks of all four algorithms
test_auction (3, 2, (uint16_t[]) { 0, 1, 1 }, 0, 0) ||
test_auction (3, 2, (uint16_t[]) { 0, 1, 1 }, 0, 1) ||
*/
// test_auction (3, 5, (uint16_t[]) { 4, 3, 1 }, 0, 1) ||
// test_auction (3, 5, (uint16_t[]) { 1, 2, 3 }, 0, 1) ||
test_auction (3, 5, (uint16_t[]) { 1, 2, 3 }, 0, 1) ||
test_auction (5, 6, (uint16_t[]) {5,4,2,1,0,3}, 1, 1) ||
// test_auction (5, 6, (uint16_t[]) {5,4,2,1,0,3}, 1, 0) ||
test_auction (10, 3, (uint16_t[]) {1,2,0,1,1,0,1,0,1,0}, 0, 1) ||
test_auction (10, 6, (uint16_t[]) {3,4,5,2,1,0,1,2,3,4}, 2, 1) ||
// test_auction (10, 3, (uint16_t[]) {1,2,0,1,1,0,1,0,1,0}, 1, 0) ||
0;
GNUNET_CRYPTO_ecc_dlog_release (edc);
return ret;
}
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