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Test case to reproduce #460 PM black swan issue #2114

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Test case to reproduce #460 PM black swan issue #2114

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30 changes: 30 additions & 0 deletions tests/tests/operation_tests.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -328,6 +328,36 @@ BOOST_AUTO_TEST_CASE( prediction_market_resolves_to_0 )
}
}

/**
* Reproduces https://github.com/bitshares/bitshares-core/issues/460 : Prediction market can suffer a black swan
*/
BOOST_AUTO_TEST_CASE( prediction_market_blackswan_test )
{ try {
ACTORS((judge)(dan));

const auto& pmark = create_prediction_market("PMARK", judge_id);

int64_t init_balance(1000000);
transfer(committee_account, judge_id, asset(init_balance));
transfer(committee_account, dan_id, asset(init_balance));

BOOST_TEST_MESSAGE( "Open position with equal collateral" );
borrow( dan, pmark.amount(1000), asset(1000) );

update_feed_producers( pmark, { judge_id });
price_feed feed;
feed.settlement_price = asset( 1, pmark.id ) / asset( 1 );
publish_feed( pmark, judge, feed );

// black swan event occurs
BOOST_CHECK( pmark.bitasset_data(db).has_settlement() );

} catch( const fc::exception& e) {
edump((e.to_detail_string()));
throw;
}
}

BOOST_AUTO_TEST_CASE( create_account_test )
{
try {
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