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Add test for placing bets using exposure

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Eric Frias 2018-05-01 12:28:40 -04:00
parent 440fdb566b
commit 32589d169b
1 changed files with 42 additions and 0 deletions
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42
tests/betting/betting_tests.cpp
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@ -39,6 +39,7 @@
#include <graphene/chain/asset_object.hpp> #include <graphene/chain/asset_object.hpp>
#include <graphene/chain/is_authorized_asset.hpp> #include <graphene/chain/is_authorized_asset.hpp>
#include <graphene/chain/witness_object.hpp> #include <graphene/chain/witness_object.hpp>
#include <graphene/chain/hardfork.hpp>
#include <graphene/chain/sport_object.hpp> #include <graphene/chain/sport_object.hpp>
#include <graphene/chain/event_object.hpp> #include <graphene/chain/event_object.hpp>
@ -483,6 +484,43 @@ BOOST_AUTO_TEST_CASE(bet_reversal_test)
FC_LOG_AND_RETHROW() FC_LOG_AND_RETHROW()
} }
BOOST_AUTO_TEST_CASE(bet_against_exposure_test)
{
// test whether we can bet our entire balance in one direction, have it match, then reverse our bet (while having zero balance)
try
{
generate_blocks(1);
ACTORS( (alice)(bob) );
CREATE_ICE_HOCKEY_BETTING_MARKET(false, 0);
transfer(account_id_type(), alice_id, asset(10000000));
transfer(account_id_type(), bob_id, asset(10000000));
int64_t alice_expected_balance = 10000000;
BOOST_REQUIRE_EQUAL(get_balance(alice_id, asset_id_type()), alice_expected_balance);
int64_t bob_expected_balance = 10000000;
BOOST_REQUIRE_EQUAL(get_balance(bob_id, asset_id_type()), bob_expected_balance);
// back with alice's entire balance
place_bet(alice_id, capitals_win_market.id, bet_type::lay, asset(10000000, asset_id_type()), 2 * GRAPHENE_BETTING_ODDS_PRECISION);
alice_expected_balance -= 10000000;
BOOST_REQUIRE_EQUAL(get_balance(alice_id, asset_id_type()), alice_expected_balance);
// lay with bob's entire balance, which fully matches bob's bet
place_bet(bob_id, capitals_win_market.id, bet_type::back, asset(10000000, asset_id_type()), 2 * GRAPHENE_BETTING_ODDS_PRECISION);
bob_expected_balance -= 10000000;
BOOST_REQUIRE_EQUAL(get_balance(bob_id, asset_id_type()), bob_expected_balance);
// reverse the bet
place_bet(alice_id, capitals_win_market.id, bet_type::lay, asset(20000000, asset_id_type()), 2 * GRAPHENE_BETTING_ODDS_PRECISION);
BOOST_REQUIRE_EQUAL(get_balance(alice_id, asset_id_type()), alice_expected_balance);
// try to re-reverse it, but go too far
BOOST_CHECK_THROW( place_bet(alice_id, capitals_win_market.id, bet_type::back, asset(30000000, asset_id_type()), 2 * GRAPHENE_BETTING_ODDS_PRECISION), fc::exception);
BOOST_REQUIRE_EQUAL(get_balance(alice_id, asset_id_type()), alice_expected_balance);
}
FC_LOG_AND_RETHROW()
}
BOOST_AUTO_TEST_CASE(persistent_objects_test) BOOST_AUTO_TEST_CASE(persistent_objects_test)
{ {
try try
@ -2107,6 +2145,10 @@ BOOST_AUTO_TEST_SUITE_END()
boost::unit_test::test_suite* init_unit_test_suite(int argc, char* argv[]) { boost::unit_test::test_suite* init_unit_test_suite(int argc, char* argv[]) {
std::srand(time(NULL)); std::srand(time(NULL));
std::cout << "Random number generator seeded to " << time(NULL) << std::endl; std::cout << "Random number generator seeded to " << time(NULL) << std::endl;
// betting operations don't take effect until HARDFORK 1000
GRAPHENE_TESTING_GENESIS_TIMESTAMP = HARDFORK_1000_TIME.sec_since_epoch();
return nullptr; return nullptr;
} }