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More call order update tests before hardfork #583
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@abitmore
abitmore committed Feb 10, 2018
1 parent 4723caa commit da95da8
Showing 1 changed file with 56 additions and 11 deletions.
67 changes: 56 additions & 11 deletions tests/tests/operation_tests.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -284,51 +284,96 @@ BOOST_AUTO_TEST_CASE( more_call_order_update_test )
{
try {

ACTORS((dan)(sam));
ACTORS((dan)(sam)(alice)(bob));
const auto& bitusd = create_bitasset("USDBIT", sam.id);
const auto& core = asset_id_type()(db);

transfer(committee_account, dan_id, asset(10000000));
transfer(committee_account, sam_id, asset(10000000));
transfer(committee_account, alice_id, asset(10000000));
transfer(committee_account, bob_id, asset(10000000));
update_feed_producers( bitusd, {sam.id} );

price_feed current_feed; current_feed.settlement_price = bitusd.amount( 100 ) / core.amount(100);
current_feed.maintenance_collateral_ratio = 1750; // need to set this explicitly, testnet has a different default
current_feed.maximum_short_squeeze_ratio = 1100; // need to set this explicitly, testnet has a different default
publish_feed( bitusd, sam, current_feed );

FC_ASSERT( bitusd.bitasset_data(db).current_feed.settlement_price == current_feed.settlement_price );

BOOST_TEST_MESSAGE( "attempting to borrow using 2x collateral at 1:1 price now that there is a valid order" );
BOOST_TEST_MESSAGE( "attempting to borrow using 1.75x collateral at 1:1 price should not be allowed" );
GRAPHENE_REQUIRE_THROW( borrow( bob, bitusd.amount(10000), core.amount(17500) ), fc::exception );

BOOST_TEST_MESSAGE( "alice borrow using 4x collateral at 1:1 price" );
borrow( alice, bitusd.amount(100000), core.amount(400000) )->id;
BOOST_REQUIRE_EQUAL( get_balance( alice, bitusd ), 100000 );
BOOST_REQUIRE_EQUAL( get_balance( alice, core ), 10000000 - 400000 );

BOOST_TEST_MESSAGE( "alice place an order to sell usd at 1.05" );
const limit_order_id_type alice_sell_id = create_sell_order( alice, bitusd.amount(1000), core.amount(1050) )->id;
BOOST_REQUIRE_EQUAL( get_balance( alice, bitusd ), 100000 - 1000 );
BOOST_REQUIRE_EQUAL( get_balance( alice, core ), 10000000 - 400000 );

BOOST_TEST_MESSAGE( "bob attempting to borrow too much using 1.75x collateral at 1:1 price should not be allowed" );
GRAPHENE_REQUIRE_THROW( borrow( bob, bitusd.amount(10000), core.amount(17500) ), fc::exception );

BOOST_TEST_MESSAGE( "bob attempting to borrow less using 1.75x collateral at 1:1 price should be allowed and margin called" );
BOOST_CHECK( !borrow( bob, bitusd.amount(100), core.amount(175) ) );
BOOST_REQUIRE_EQUAL( get_balance( bob, bitusd ), 100 );
BOOST_REQUIRE_EQUAL( get_balance( bob, core ), 10000000 - 105 );
BOOST_REQUIRE_EQUAL( get_balance( alice, bitusd ), 100000 - 1000 );
BOOST_REQUIRE_EQUAL( get_balance( alice, core ), 10000000 - 400000 + 105 );

BOOST_TEST_MESSAGE( "bob attempting to borrow using 2x collateral at 1:1 price now that there is a valid order" );
const call_order_id_type bob_call_id = borrow( bob, bitusd.amount(100), asset(200))->id;
BOOST_REQUIRE_EQUAL( get_balance( bob, bitusd ), 100 + 100 );
BOOST_REQUIRE_EQUAL( get_balance( bob, core ), 10000000 - 105 - 200 );

BOOST_TEST_MESSAGE( "bob attempting to borrow too much more using 1.75x collateral at 1:1 price should not be allowed" );
GRAPHENE_REQUIRE_THROW( borrow( bob, bitusd.amount(10000-100), core.amount(17500-200) ), fc::exception );

BOOST_TEST_MESSAGE( "bob attempting to reduce collateral to 1.75x at 1:1 price should be allowed and margin called" );
BOOST_CHECK( !borrow( bob, bitusd.amount(0), core.amount(175-200) ) );
BOOST_REQUIRE_EQUAL( get_balance( bob, bitusd ), 100 + 100 );
BOOST_REQUIRE_EQUAL( get_balance( bob, core ), 10000000 - 105 - 105 );
BOOST_REQUIRE_EQUAL( get_balance( alice, bitusd ), 100000 - 1000 );
BOOST_REQUIRE_EQUAL( get_balance( alice, core ), 10000000 - 400000 + 105 + 105 );
BOOST_CHECK( !db.find<call_order_object>( bob_call_id ) );

BOOST_TEST_MESSAGE( "alice cancel sell order" );
cancel_limit_order( alice_sell_id(db) );

BOOST_TEST_MESSAGE( "dan attempting to borrow using 2x collateral at 1:1 price now that there is a valid order" );
borrow( dan, bitusd.amount(5000), asset(10000));
BOOST_REQUIRE_EQUAL( get_balance( dan, bitusd ), 5000 );
BOOST_REQUIRE_EQUAL( get_balance( dan, core ), 10000000 - 10000 );

BOOST_TEST_MESSAGE( "update price feed so dan's position will enter margin call territory." );
BOOST_TEST_MESSAGE( "sam update price feed so dan's position will enter margin call territory." );
current_feed.settlement_price = bitusd.amount( 100 ) / core.amount(180);
publish_feed( bitusd, sam, current_feed );

BOOST_TEST_MESSAGE( "covering 2500 usd and freeing 5000 core should not be allowed..." );
BOOST_TEST_MESSAGE( "dan covering 2500 usd and freeing 5000 core should not be allowed..." );
GRAPHENE_REQUIRE_THROW( cover( dan, bitusd.amount(2500), core.amount(5000) ), fc::exception );

BOOST_TEST_MESSAGE( "covering 2500 usd and freeing 5001 core should not be allowed..." );
BOOST_TEST_MESSAGE( "dan covering 2500 usd and freeing 5001 core should not be allowed..." );
GRAPHENE_REQUIRE_THROW( cover( dan, bitusd.amount(2500), core.amount(5001) ), fc::exception );

BOOST_TEST_MESSAGE( "covering 2500 usd and freeing 4999 core should not be allowed..." );
BOOST_TEST_MESSAGE( "dan covering 2500 usd and freeing 4999 core should not be allowed..." );
GRAPHENE_REQUIRE_THROW( cover( dan, bitusd.amount(2500), core.amount(4999) ), fc::exception );

BOOST_TEST_MESSAGE( "borrow 2500 more usd wth 5000 more core should not be allowed..." );
BOOST_TEST_MESSAGE( "dan borrow 2500 more usd wth 5000 more core should not be allowed..." );
GRAPHENE_REQUIRE_THROW( borrow( dan, bitusd.amount(2500), core.amount(5000) ), fc::exception );

BOOST_TEST_MESSAGE( "borrow 2500 more usd wth 4999 more core should not be allowed..." );
BOOST_TEST_MESSAGE( "dan borrow 2500 more usd wth 4999 more core should not be allowed..." );
GRAPHENE_REQUIRE_THROW( borrow( dan, bitusd.amount(2500), core.amount(4999) ), fc::exception );

BOOST_TEST_MESSAGE( "borrow 2500 more usd wth 5001 more core should not be allowed..." );
BOOST_TEST_MESSAGE( "dan borrow 2500 more usd wth 5001 more core should not be allowed..." );
GRAPHENE_REQUIRE_THROW( borrow( dan, bitusd.amount(2500), core.amount(5001) ), fc::exception );

BOOST_TEST_MESSAGE( "covering 0 usd and freeing 1 core should not be allowed..." );
BOOST_TEST_MESSAGE( "dan covering 0 usd and freeing 1 core should not be allowed..." );
GRAPHENE_REQUIRE_THROW( cover( dan, bitusd.amount(0), core.amount(1) ), fc::exception );

BOOST_TEST_MESSAGE( "add 1 core as collateral should not be allowed..." );
BOOST_TEST_MESSAGE( "dan adding 1 core as collateral should not be allowed..." );
GRAPHENE_REQUIRE_THROW( borrow( dan, bitusd.amount(0), core.amount(1) ), fc::exception );


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