def test_market_outcome_token_sale_rollback(self):
categorical_event = CategoricalEventFactory()
outcome_token = OutcomeTokenFactory(event=categorical_event, index=0)
market = MarketFactory(event=categorical_event)
seller_address = generate_eth_account(only_address=True)
block = {'number': 1, 'timestamp': self.to_timestamp(timezone.now())}
outcome_token_sell_event = {
'name':
'OutcomeTokenSale',
'address':
market.address,
'transaction_hash':
generate_transaction_hash(),
'params': [
{
'name': 'outcomeTokenProfit',
'value': 100
},
{
'name': 'marketFees',
'value': 10
},
{
'name': 'seller',
'value': seller_address
},
{
'name': 'outcomeTokenIndex',
'value': 0
},
{
'name': 'outcomeTokenCount',
'value': 10
},
]
}
MarketInstanceReceiver().save(outcome_token_sell_event, block)
orders_before_rollback = SellOrder.objects.filter(
creation_block=block.get('number'), sender=seller_address)
self.assertEqual(len(orders_before_rollback), 1)
# Also double-check by querying with transaction hash
orders_before_rollback = SellOrder.objects.filter(
transaction_hash=outcome_token_sell_event['transaction_hash'])
self.assertEqual(len(orders_before_rollback), 1)
# Outcome token sell rollback
MarketInstanceReceiver().rollback(outcome_token_sell_event, block)
orders_after_rollback = SellOrder.objects.filter(
creation_block=block.get('number'), sender=seller_address)
self.assertEqual(len(orders_after_rollback), 0)
# Also double-check by querying with transaction hash
orders_after_rollback = SellOrder.objects.filter(
transaction_hash=outcome_token_sell_event['transaction_hash'])
self.assertEqual(len(orders_after_rollback), 0)
def test_collected_fees(self):
categorical_event = CategoricalEventFactory()
outcome_token = OutcomeTokenFactory(event=categorical_event, index=0)
market = MarketFactory(event=categorical_event)
sender_address = generate_eth_account(only_address=True)
fees = 10
outcome_token_purchase_event = {
'name':
'OutcomeTokenPurchase',
'address':
market.address,
'transaction_hash':
generate_transaction_hash(),
'params': [
{
'name': 'outcomeTokenCost',
'value': 100
},
{
'name': 'marketFees',
'value': fees
},
{
'name': 'buyer',
'value': sender_address
},
{
'name': 'outcomeTokenIndex',
'value': 0
},
{
'name': 'outcomeTokenCount',
'value': 10
},
]
}
block = {'number': 1, 'timestamp': self.to_timestamp(timezone.now())}
# Save event
MarketInstanceReceiver().save(outcome_token_purchase_event, block)
# Check that collected fees was incremented
market_check = Market.objects.get(address=market.address)
self.assertEqual(market_check.collected_fees,
market.collected_fees + fees)
# Check that the buy order was saved with the correct transaction hash
buy_order = BuyOrder.objects.get(
transaction_hash=outcome_token_purchase_event['transaction_hash'])
self.assertEqual(buy_order.sender, sender_address)
block.update({'number': 2})
MarketInstanceReceiver().save(outcome_token_purchase_event, block)
market_check = Market.objects.get(address=market.address)
self.assertEqual(market_check.collected_fees,
market.collected_fees + fees + fees)
def test_outcome_token_purchase_marginal_price(self):
categorical_event = CategoricalEventFactory()
OutcomeTokenFactory(event=categorical_event, index=0)
OutcomeTokenFactory(event=categorical_event, index=1)
market = MarketFactory(event=categorical_event,
funding=1e18,
net_outcome_tokens_sold=[0, 0])
sender_address = generate_eth_account(only_address=True)
outcome_token_purchase_event = {
'name':
'OutcomeTokenPurchase',
'address':
market.address,
'transaction_hash':
generate_transaction_hash(),
'params': [
{
'name': 'outcomeTokenCost',
'value': 1000000000000000000
},
{
'name': 'marketFees',
'value': 0
},
{
'name': 'buyer',
'value': sender_address
},
{
'name': 'outcomeTokenIndex',
'value': 0
},
{
'name': 'outcomeTokenCount',
'value': 1584900000000000000
},
]
}
block = {'number': 1, 'timestamp': self.to_timestamp(timezone.now())}
self.assertEqual(BuyOrder.objects.all().count(), 0)
MarketInstanceReceiver().save(outcome_token_purchase_event, block)
buy_orders = BuyOrder.objects.all()
self.assertEqual(buy_orders.count(), 1)
self.assertListEqual(
buy_orders[0].marginal_prices,
[Decimal(0.7500), Decimal(0.2500)]) # outcomeTokenCost+fee
self.assertEqual(buy_orders[0].transaction_hash,
outcome_token_purchase_event['transaction_hash'])
def test_outcome_token_sell(self):
categorical_event = CategoricalEventFactory()
outcome_token = OutcomeTokenFactory(event=categorical_event, index=0)
market = MarketFactory(event=categorical_event)
sender_address = generate_eth_account(only_address=True)
outcome_token_sell_event = {
'name':
'OutcomeTokenSale',
'address':
market.address,
'transaction_hash':
generate_transaction_hash(),
'params': [
{
'name': 'outcomeTokenProfit',
'value': 100
},
{
'name': 'marketFees',
'value': 10
},
{
'name': 'seller',
'value': sender_address
},
{
'name': 'outcomeTokenIndex',
'value': 0
},
{
'name': 'outcomeTokenCount',
'value': 10
},
]
}
block = {'number': 1, 'timestamp': self.to_timestamp(timezone.now())}
self.assertEqual(SellOrder.objects.all().count(), 0)
MarketInstanceReceiver().save(outcome_token_sell_event, block)
sell_orders = SellOrder.objects.all()
self.assertEqual(sell_orders.count(), 1)
self.assertEqual(sell_orders[0].profit, 90) # outcomeTokenProfit-fee
self.assertEqual(sell_orders[0].transaction_hash,
outcome_token_sell_event['transaction_hash'])
def test_market_outcome_token_purchase_rollback(self):
oracle_factory = CentralizedOracleFactory()
event_factory = CategoricalEventFactory(oracle=oracle_factory)
outcome_token = OutcomeTokenFactory(event=event_factory, index=0)
market_without_rollback = MarketFactory(event=event_factory)
buyer_address = '{:040d}'.format(100)
self.assertIsNotNone(market_without_rollback.pk)
block = {
'number': oracle_factory.creation_block,
'timestamp': self.to_timestamp(oracle_factory.creation_date_time)
}
outcome_token_purchase_event = {
'name':
'OutcomeTokenPurchase',
'address':
market_without_rollback.address,
'transaction_hash':
generate_transaction_hash(),
'params': [
{
'name': 'outcomeTokenCost',
'value': 100
},
{
'name': 'marketFees',
'value': 10
},
{
'name': 'buyer',
'value': buyer_address
},
{
'name': 'outcomeTokenIndex',
'value': 0
},
{
'name': 'outcomeTokenCount',
'value': 10
},
]
}
# Send outcome token purchase event
MarketInstanceReceiver().save(outcome_token_purchase_event, block)
orders_before_rollback = BuyOrder.objects.filter(
creation_block=block.get('number'),
sender=buyer_address,
market=market_without_rollback)
self.assertEqual(len(orders_before_rollback), 1)
# Also double-check by querying with transaction_hash
orders_before_rollback = BuyOrder.objects.filter(
transaction_hash=outcome_token_purchase_event['transaction_hash'])
self.assertEqual(len(orders_before_rollback), 1)
# Outcome token purchase rollback
MarketInstanceReceiver().rollback(outcome_token_purchase_event, block)
market_with_rollback = Market.objects.get(event=event_factory.address)
orders_after_rollback = BuyOrder.objects.filter(
creation_block=block.get('number'),
sender=buyer_address,
market=market_with_rollback)
self.assertEqual(len(orders_after_rollback), 0)
# Also double-check by querying with transaction_hash
orders_after_rollback = BuyOrder.objects.filter(
transaction_hash=outcome_token_purchase_event['transaction_hash'])
self.assertEqual(len(orders_after_rollback), 0)