async def test_task(self):
task = ordertask.OrderTask(None, None, None)
result = []
async def count():
try:
i = 1
while True:
await asyncio.sleep(0.1)
result.append(i)
i += 1
except asyncio.CancelledError:
pass
task.doTrading = count
task.startup()
await asyncio.sleep(0.35)
await task.shutdown()
self.assertEqual(result, [1, 2, 3])
result = []
async def countTo3():
for i in range(1, 4):
await asyncio.sleep(0.1)
result.append(i)
task.doTrading = countTo3
task.startup()
await task.waitFinished()
self.assertEqual(result, [1, 2, 3])
async def test_waitForBL4PConnection(self):
self.client.isBL4PConnected = Mock(return_value=True)
task = ordertask.OrderTask(self.client, self.storage, None)
await task.waitForBL4PConnection()
self.client.isBL4PConnected.assert_called_with()
self.client.isBL4PConnected = Mock(return_value=False)
calls = []
async def waitForBL4PConnection():
calls.append(None)
self.client.waitForBL4PConnection = waitForBL4PConnection
task = ordertask.OrderTask(self.client, self.storage, None)
await task.waitForBL4PConnection()
self.client.isBL4PConnected.assert_called_with()
self.assertEqual(len(calls), 1)
def test_constructor(self):
client = object()
storage = object()
order = object()
task = ordertask.OrderTask(client, storage, order)
self.assertEqual(task.client, client)
self.assertEqual(task.storage, storage)
self.assertEqual(task.order, order)
self.assertEqual(task.counterOffer, None)
self.assertEqual(task.transaction, None)
async def test_doTrading_exceptions(self):
#Unsupported order type:
task = ordertask.OrderTask(None, None, None)
with patch.object(logging, 'exception', Mock()) as logException:
with self.assertRaises(Exception):
await task.doTrading()
logException.assert_called_once()
#Canceled exception:
orderID = ordertask.BuyOrder.create(self.storage, 2, 1234)
order = ordertask.BuyOrder(self.storage, orderID, 'lnAddress')
task = ordertask.OrderTask(Mock(), None, order)
async def continueBuyTransaction():
raise asyncio.CancelledError()
with patch.object(task, 'continueBuyTransaction',
continueBuyTransaction):
#No exception:
await task.doTrading()
async def test_buyer_repeatFinishedTransaction(self):
orderID = ordertask.BuyOrder.create(
self.storage,
190000, #mCent / BTC = 1.9 EUR/BTC
123400000 #mCent = 1234 EUR
)
order = ordertask.BuyOrder(self.storage, orderID, 'buyerAddress')
order.remoteOfferID = 6
order.setAmount = Mock()
self.storage.buyTransactions = \
{
41:
{
'ID': 41,
'buyOrder': orderID,
'status': 4, #finished
'fiatAmount': 100000000,
'cryptoAmount': 200000000,
'paymentHash': b'foo',
'paymentPreimage': b'bar',
},
42:
{
'ID': 42,
'buyOrder': orderID,
'status': 0,
'fiatAmount': 300000000,
'cryptoAmount': 600000000,
'paymentHash': b'foo2',
}
}
task = ordertask.OrderTask(self.client, self.storage, order)
task.startup()
await asyncio.sleep(0.1)
task.setCallResult(
messages.LNIncoming(
offerID=42,
CLTVExpiryDelta=0,
fiatAmount=100000000,
cryptoAmount=200000000,
paymentHash=b'foo',
))
msg = await self.outgoingMessages.get()
self.assertEqual(
msg, messages.LNFinish(paymentHash=b'foo', paymentPreimage=b'bar'))
await self.shutdownOrderTask(task)
async def test_setCallResult_exceptions(self):
task = ordertask.OrderTask(None, None, None)
with self.assertRaises(ordertask.UnexpectedResult):
task.setCallResult(3.0)
waitTask = asyncio.ensure_future(task.waitForIncomingMessage(int))
await asyncio.sleep(0.1)
with self.assertRaises(ordertask.UnexpectedResult):
task.setCallResult(3.0)
task.setCallResult(6)
value = await waitTask
self.assertEqual(value, 6)
async def test_doTrading_canceledOrder(self):
orderID = ordertask.BuyOrder.create(self.storage, 2, 1234)
order = ordertask.BuyOrder(self.storage, orderID, 'lnAddress')
task = ordertask.OrderTask(Mock(), None, order)
order.status = ORDER_STATUS_CANCEL_REQUESTED
async def dummy():
pass
task.continueBuyTransaction = dummy
task.publishOffer = dummy
task.waitForIncomingTransaction = dummy
task.unpublishOffer = dummy
await task.doTrading()
self.assertEqual(order.status, ORDER_STATUS_CANCELED)
def test_cancel(self):
orderID = ordertask.BuyOrder.create(
self.storage,
190000, #mCent / BTC = 1.9 EUR/BTC
123400000 #mCent = 1234 EUR
)
order = ordertask.BuyOrder(self.storage, orderID, 'lnAddress')
task = ordertask.OrderTask(self.client, self.storage, order)
task.task = Mock()
task.cancel()
self.assertEqual(order.status, ORDER_STATUS_CANCELED)
task.task.cancel.assert_called_with()
task.transaction = Mock()
task.cancel()
self.assertEqual(order.status, ORDER_STATUS_CANCEL_REQUESTED)
async def test_refusedBuyTransaction(self):
orderID = ordertask.BuyOrder.create(
self.storage,
190000, #mCent / BTC = 1.9 EUR/BTC
123400000 #mCent = 1234 EUR
)
order = ordertask.BuyOrder(self.storage, orderID, 'lnAddress')
task = ordertask.OrderTask(self.client, self.storage, order)
task.startup()
self.storage.reset(startCount=43) #clean up from previous iteration
self.storage.buyOrders[orderID] = {}
order.setAmount = Mock() #Replace mock object with a fresh one
#Offer gets published
msg = await self.outgoingMessages.get()
self.assertEqual(msg,
messages.BL4PAddOffer(
localOrderID=42,
offer=order,
))
task.setCallResult(messages.BL4PAddOfferResult(
request=None,
ID=6,
))
#TODO: is the next message in a race condition with the previous?
await asyncio.sleep(0.1)
#Incoming LN transaction arrives
paymentPreimage = b'foo'
paymentHash = sha256(paymentPreimage)
task.setCallResult(
messages.LNIncoming(
offerID=42,
CLTVExpiryDelta=0,
fiatAmount=100000000, #mCent = 1000 EUR
cryptoAmount=50, #mBTC = 0.00000000050 BTC
paymentHash=paymentHash,
))
msg = await self.outgoingMessages.get()
await self.shutdownOrderTask(task)
async def test_failedBuyTransaction(self):
orderID = ordertask.BuyOrder.create(
self.storage,
190000, #mCent / BTC = 1.9 EUR/BTC
123400000 #mCent = 1234 EUR
)
order = ordertask.BuyOrder(self.storage, orderID, 'buyerAddress')
order.remoteOfferID = 6
order.setAmount = Mock()
self.storage.buyTransactions = \
{
41:
{
'ID': 41,
'buyOrder': orderID,
'status': 0,
'fiatAmount': 100000000,
'cryptoAmount': 200000000,
'paymentHash': b'foo',
}
}
task = ordertask.OrderTask(self.client, self.storage, order)
task.startup()
await asyncio.sleep(0.1)
task.setCallResult(
messages.LNIncoming(
offerID=42,
CLTVExpiryDelta=0,
fiatAmount=100000000,
cryptoAmount=200000000,
paymentHash=b'foo',
))
msg = await self.outgoingMessages.get()
self.assertEqual(msg, messages.BL4PSend(
localOrderID=42,
amount = 100000000,
paymentHash = b'foo',
max_locked_timeout_delta_s = 3600*24*14,
selfReport = \
{
'paymentHash' : '666f6f', #foo in hex
'offerID' : str(orderID),
'receiverCryptoAmount': '0.00200000000',
'cryptoCurrency' : 'btc',
},
))
task.setCallResult(messages.BL4PError(request=None, ))
#LN transaction gets canceled
msg = await self.outgoingMessages.get()
self.assertEqual(msg, messages.LNFail(paymentHash=b'foo', ))
order.setAmount.assert_called_once_with(223400000)
self.assertEqual(
self.storage.buyTransactions, {
41: {
'ID': 41,
'status': ordertask.TX_STATUS_CANCELED,
'buyOrder': orderID,
'fiatAmount': 100000000,
'cryptoAmount': 200000000,
'paymentHash': b'foo',
}
})
self.assertEqual(task.transaction, None)
#Old offer gets removed
msg = await self.outgoingMessages.get()
self.assertTrue(isinstance(msg, messages.BL4PRemoveOffer))
task.setCallResult(messages.BL4PRemoveOfferResult(request=None, ))
#New offer gets added
msg = await self.outgoingMessages.get()
self.assertTrue(isinstance(msg, messages.BL4PAddOffer))
task.setCallResult(messages.BL4PAddOfferResult(
request=None,
ID=6,
))
#Continues to next iteration:
await asyncio.sleep(0.1)
await self.shutdownOrderTask(task)
async def test_continueBuyTransaction(self):
orderID = ordertask.BuyOrder.create(
self.storage,
190000, #mCent / BTC = 1.9 EUR/BTC
123400000 #mCent = 1234 EUR
)
order = ordertask.BuyOrder(self.storage, orderID, 'buyerAddress')
self.storage.buyTransactions = \
{
41:
{
'ID': 41,
'buyOrder': orderID,
'status': 0,
'fiatAmount': 100000000,
'cryptoAmount': 200000000,
'paymentHash': b'foo',
}
}
task = ordertask.OrderTask(self.client, self.storage, order)
task.startup()
await asyncio.sleep(0.1)
task.setCallResult(
messages.LNIncoming(
offerID=42,
CLTVExpiryDelta=0,
fiatAmount=100000000,
cryptoAmount=200000000,
paymentHash=b'foo',
))
msg = await self.outgoingMessages.get()
self.assertEqual(msg, messages.BL4PSend(
localOrderID=42,
amount = 100000000,
paymentHash = b'foo',
max_locked_timeout_delta_s = 3600*24*14,
selfReport = \
{
'paymentHash' : '666f6f', #foo in hex
'offerID' : str(orderID),
'receiverCryptoAmount': '0.00200000000',
'cryptoCurrency' : 'btc',
},
))
await task.shutdown()
#Database inconsistency exception:
self.storage.buyTransactions = \
{
41:
{
'ID': 41,
'buyOrder': orderID,
'status': 100,
}
}
task = ordertask.OrderTask(self.client, self.storage, order)
with self.assertRaises(Exception):
await task.continueBuyTransaction()
async def test_buyer_goodFlow(self):
orderID = ordertask.BuyOrder.create(
self.storage,
190000, #mCent / BTC = 1.9 EUR/BTC
123400000 #mCent = 1234 EUR
)
order = ordertask.BuyOrder(self.storage, orderID, 'lnAddress')
task = ordertask.OrderTask(self.client, self.storage, order)
task.startup()
remainingAmount = order.amount
for txAmount in [100000000, 23400000]:
self.storage.reset(
startCount=43) #clean up from previous iteration
self.storage.buyOrders[orderID] = {}
order.setAmount = Mock() #Replace mock object with a fresh one
#Offer gets published
msg = await self.outgoingMessages.get()
self.assertEqual(
msg, messages.BL4PAddOffer(
localOrderID=42,
offer=order,
))
task.setCallResult(
messages.BL4PAddOfferResult(
request=None,
ID=6,
))
#TODO: is the next message in a race condition with the previous?
await asyncio.sleep(0.1)
#Incoming LN transaction arrives
paymentPreimage = b'foo'
paymentHash = sha256(paymentPreimage)
task.setCallResult(
messages.LNIncoming(
offerID=42,
CLTVExpiryDelta=0,
fiatAmount=txAmount,
cryptoAmount=100000000000000,
paymentHash=paymentHash,
))
msg = await self.outgoingMessages.get()
remainingAmount -= txAmount
order.setAmount.assert_called_once_with(remainingAmount)
order.amount = remainingAmount
self.assertEqual(
self.storage.buyTransactions, {
43: {
'ID': 43,
'status': ordertask.TX_STATUS_INITIAL,
'buyOrder': 42,
'fiatAmount': txAmount,
'cryptoAmount': 100000000000000,
'paymentHash': paymentHash,
'paymentPreimage': None,
}
})
#Funds get sent on BL4P
self.assertEqual(msg, messages.BL4PSend(
localOrderID=42,
amount=txAmount,
paymentHash=paymentHash,
max_locked_timeout_delta_s = 3600*24*14,
selfReport = \
{
'paymentHash' : paymentHash.hex(),
'offerID' : str(orderID),
'receiverCryptoAmount': '1000.00000000000',
'cryptoCurrency' : 'btc',
},
))
task.setCallResult(
messages.BL4PSendResult(
request=None,
paymentPreimage=paymentPreimage,
))
msg = await self.outgoingMessages.get()
self.assertEqual(
self.storage.buyTransactions, {
43: {
'ID': 43,
'status': ordertask.TX_STATUS_FINISHED,
'buyOrder': 42,
'fiatAmount': txAmount,
'cryptoAmount': 100000000000000,
'paymentHash': paymentHash,
'paymentPreimage': paymentPreimage,
}
})
self.assertEqual(task.transaction, None)
#LN transaction gets finished
self.assertEqual(
msg,
messages.LNFinish(
paymentHash=paymentHash,
paymentPreimage=paymentPreimage,
))
#Old offer gets removed
msg = await self.outgoingMessages.get()
self.assertEqual(
msg, messages.BL4PRemoveOffer(
localOrderID=42,
offerID=6,
))
task.setCallResult(messages.BL4PRemoveOfferResult(request=None, ))
await task.waitFinished()
self.assertEqual(self.storage.buyOrders[orderID]['status'],
1) #completed
def test_getListInfo(self):
orderID = ordertask.BuyOrder.create(
self.storage,
190000, #mCent / BTC = 1.9 EUR/BTC
123400000 #mCent = 1234 EUR
)
order = ordertask.BuyOrder(self.storage, orderID, 'lnAddress')
task = ordertask.OrderTask(self.client, self.storage, order)
self.assertEqual(
task.getListInfo(), {
'ID': orderID,
'status': 'active',
'limitRate': 190000,
'amount': 123400000,
})
txID = task.transaction = ordertask.BuyTransaction.create(
self.storage,
buyOrder=orderID,
fiatAmount=12,
cryptoAmount=34,
paymentHash=b'foobar')
task.transaction = ordertask.BuyTransaction(self.storage, txID)
self.assertEqual(
task.getListInfo(), {
'ID': orderID,
'status': 'active',
'limitRate': 190000,
'amount': 123400000,
'transaction': {
'status': 'initial',
'fiatAmount': 12,
'cryptoAmount': 34,
}
})
txID = task.transaction = ordertask.SellTransaction.create(
self.storage,
sellOrder=orderID,
counterOffer=0,
buyerFiatAmount=12,
buyerCryptoAmount=56,
senderTimeoutDelta=0,
lockedTimeoutDelta=0,
CLTVExpiryDelta=0,
)
task.transaction = ordertask.SellTransaction(self.storage, txID)
task.transaction.sellerFiatAmount = 34
task.transaction.sellerCryptoAmount = 78
self.assertEqual(
task.getListInfo(), {
'ID': orderID,
'status': 'active',
'limitRate': 190000,
'amount': 123400000,
'transaction': {
'status': 'initial',
'buyerFiatAmount': 12,
'sellerFiatAmount': 34,
'buyerCryptoAmount': 56,
'sellerCryptoAmount': 78,
}
})
async def test_continueSellTransaction(self):
orderID = ordertask.SellOrder.create(
self.storage,
190000, #mCent / BTC = 1.9 EUR/BTC
123400000000000 #mSatoshi = 1234 BTC
)
order = ordertask.SellOrder(self.storage, orderID, 'sellerAddress')
ID = ordertask.BuyOrder.create(
self.storage,
210000, #mCent / BTC = 2.1 EUR/BTC
100000 #mCent = 1000 EUR
)
originalCounterOffer = ordertask.BuyOrder(self.storage, ID,
'buyerAddress')
self.storage.counterOffers = \
{40:
{
'ID': 40,
'blob': originalCounterOffer.toPB2().SerializeToString()
}
}
#status -> message:
expectedMessages = \
{
ordertask.TX_STATUS_INITIAL: messages.BL4PStart(
localOrderID=42,
amount = 1200,
sender_timeout_delta_ms = 34,
locked_timeout_delta_s = 56,
receiver_pays_fee = True,
),
ordertask.TX_STATUS_STARTED: messages.BL4PSelfReport(
localOrderID=42,
selfReport = \
{
'paymentHash' : '666f6f', #foo in hex
'offerID' : '43',
'receiverCryptoAmount': '0.00000010000',
'cryptoCurrency' : 'btc',
},
),
ordertask.TX_STATUS_LOCKED: messages.LNPay(
localOrderID=42,
destinationNodeID = 'buyerAddress',
offerID = 43,
recipientCryptoAmount = 10000,
maxSenderCryptoAmount = 10100,
fiatAmount = 1200,
minCLTVExpiryDelta = 78,
paymentHash = b'foo',
),
ordertask.TX_STATUS_RECEIVED_PREIMAGE: messages.BL4PReceive(
localOrderID=42,
paymentPreimage = b'bar',
),
}
for status, expectedMessage in expectedMessages.items():
self.storage.sellTransactions = \
{
41:
{
'ID': 41,
'sellOrder': orderID,
'counterOffer': 40,
'status': status,
'buyerFiatAmount': 1200,
'buyerCryptoAmount': 10000,
'senderTimeoutDelta': 34,
'lockedTimeoutDelta': 56,
'CLTVExpiryDelta' : 78,
'paymentHash': b'foo',
'paymentPreimage': b'bar',
}
}
task = ordertask.OrderTask(self.client, self.storage, order)
task.startup()
msg = await self.outgoingMessages.get()
self.assertEqual(msg, expectedMessage)
await task.shutdown()
#Database inconsistency exception:
self.storage.sellTransactions = \
{
41:
{
'ID': 41,
'sellOrder': orderID,
'counterOffer': 40,
'status': 100,
}
}
task = ordertask.OrderTask(self.client, self.storage, order)
with self.assertRaises(Exception):
await task.continueSellTransaction()
async def test_doOfferSearch_loop(self):
order = Mock()
order.ID = 42
order.remoteOfferID = None
task = ordertask.OrderTask(self.client, None, order)
done = []
async def doTransaction():
self.assertEqual(done, [])
done.append(True)
task.doTransaction = doTransaction
searchTask = asyncio.ensure_future(task.doOfferSearch())
#No BL4P connection:
received = []
def raiseNoMessageHandler(msg):
received.append(msg)
raise messages.NoMessageHandler()
with patch.object(self.client, 'handleOutgoingMessage',
raiseNoMessageHandler):
await asyncio.sleep(1)
self.assertEqual(
received,
[messages.BL4PFindOffers(
localOrderID=42,
query=order,
)])
#No results:
msg = await self.outgoingMessages.get()
self.assertEqual(
msg, messages.BL4PFindOffers(
localOrderID=42,
query=order,
))
task.setCallResult(
messages.BL4PFindOffersResult(
request=None,
offers=[],
))
#Offer gets published:
msg = await self.outgoingMessages.get()
self.assertEqual(msg,
messages.BL4PAddOffer(
localOrderID=42,
offer=order,
))
task.setCallResult(messages.BL4PAddOfferResult(
request=None,
ID=6,
))
#No results again:
t0 = time.time()
msg = await self.outgoingMessages.get()
t1 = time.time()
self.assertAlmostEqual(t1 - t0, 1.0, places=2)
self.assertEqual(
msg, messages.BL4PFindOffers(
localOrderID=42,
query=order,
))
task.setCallResult(
messages.BL4PFindOffersResult(
request=None,
offers=[],
))
self.assertEqual(order.remoteOfferID, 6)
#Multiple results:
#Non-matching offers returned by BL4P must not be selected.
offer0 = Mock()
offer1 = Mock()
offer2 = Mock()
offer0.matches = Mock(return_value=False)
offer1.matches = Mock(return_value=True)
offer2.matches = Mock(return_value=True)
msg = await self.outgoingMessages.get()
self.assertEqual(
msg, messages.BL4PFindOffers(
localOrderID=42,
query=order,
))
task.setCallResult(
messages.BL4PFindOffersResult(
request=None,
offers=[offer0, offer1, offer2],
))
await searchTask
self.assertEqual(done, [True])
self.assertEqual(task.counterOffer, offer1)
offer0.matches.assert_called_with(order)
offer1.matches.assert_called_with(order)
offer2.matches.assert_called_with(order)
async def test_canceledSellTransaction(self):
orderID = ordertask.SellOrder.create(
self.storage,
190000, #mCent / BTC = 1.9 EUR/BTC
123400000000000 #mSatoshi = 1234 BTC
)
order = ordertask.SellOrder(self.storage, orderID, 'sellerAddress')
ID = ordertask.BuyOrder.create(
self.storage,
210000, #mCent / BTC = 2.1 EUR/BTC
100000 #mCent = 1000 EUR
)
originalCounterOffer = ordertask.BuyOrder(self.storage, ID,
'buyerAddress')
self.storage.counterOffers = \
{40:
{
'ID': 40,
'blob': originalCounterOffer.toPB2().SerializeToString()
}
}
#An ongoing tx that is just about to be sent over Lightning:
self.storage.sellTransactions = \
{
41:
{
'ID': 41,
'sellOrder': orderID,
'counterOffer': 40,
'status': ordertask.TX_STATUS_LOCKED,
'buyerFiatAmount': 1200,
'buyerCryptoAmount': 10000,
'senderTimeoutDelta': 34,
'lockedTimeoutDelta': 56,
'CLTVExpiryDelta' : 78,
'paymentHash': b'foo',
}
}
task = ordertask.OrderTask(self.client, self.storage, order)
task.startup()
msg = await self.outgoingMessages.get()
self.assertEqual(
msg,
messages.LNPay(
localOrderID=42,
destinationNodeID='buyerAddress',
offerID=43,
recipientCryptoAmount=10000,
maxSenderCryptoAmount=10100,
fiatAmount=1200,
minCLTVExpiryDelta=78,
paymentHash=b'foo',
))
#Lightning tx ends up canceled:
task.setCallResult(
messages.LNPayResult(
localOrderID=0,
paymentHash=b'foo',
senderCryptoAmount=10500,
paymentPreimage=None,
))
msg = await self.outgoingMessages.get()
self.assertEqual(
msg, messages.BL4PCancelStart(
localOrderID=42,
paymentHash=b'foo',
))
task.setCallResult(messages.BL4PCancelStartResult(request=None, ))
msg = await self.outgoingMessages.get()
self.maxDiff = None
self.assertEqual(
self.storage.sellTransactions, {
41: {
'ID': 41,
'sellOrder': orderID,
'counterOffer': 40,
'status': ordertask.TX_STATUS_CANCELED,
'senderTimeoutDelta': 34,
'lockedTimeoutDelta': 56,
'CLTVExpiryDelta': 78,
'buyerCryptoAmount': 10000,
'buyerFiatAmount': 1200,
'paymentHash': b'foo',
}
})
self.assertEqual(task.transaction, None)
await task.shutdown()
async def test_seller_goodFlow(self):
orderID = ordertask.SellOrder.create(
self.storage,
190000, #mCent / BTC = 1.9 EUR/BTC
123400000000000 #mSatoshi = 1234 BTC
)
order = ordertask.SellOrder(self.storage, orderID, 'sellerAddress')
task = ordertask.OrderTask(self.client, self.storage, order)
task.startup()
o1 = Mock()
o1.getConditionMin = Mock(return_value=23)
o1.getConditionMax = Mock(return_value=53)
toPB2_return = Mock()
toPB2_return.SerializeToString = Mock(return_value=b'bar')
o1.toPB2 = Mock(return_value=toPB2_return)
o1.ask.max_amount = 1000 #BTC
o1.ask.max_amount_divisor = 1
o1.bid.max_amount = 2000 #EUR
o1.bid.max_amount_divisor = 1
o1.ID = 6
o1.address = 'buyerAddress'
#We're going to match the sell order (order) twice with the
#counter-offer (o1).
remainingAmount = order.amount
for i in range(2):
self.storage.reset(
startCount=43) #clean up from previous iteration
self.storage.sellOrders[orderID] = {}
order.setAmount = Mock() #Replace mock object with a fresh one
#Expected data:
buyerCryptoAmount = \
[
100000000000000, #1000 BTC = min(1234, 1000)
22900000000000, # 229 BTC = min(1234 - 1005, 1000)
][i]
buyerFiatAmount = \
[
200000000, #2000 EUR = 1000 BTC * buyer limit rate
45800000, #458 EUR = 229 BTC * buyer limit rate
][i]
minSellerFiatAmount = \
[
190000000, #1900 EUR = 1000 BTC * seller limit rate
43510000, # 435.1 EUR = 229 BTC * seller limit rate
][i]
maxSellerCryptoAmount = \
[
101000000000000, #1010 BTC = 1.01 * 1000 BTC
23129000000000, # 231.29 BTC = 1.01 * 229 BTC
][i]
sellerCryptoAmount = \
[
100500000000000, #1005 BTC, just slightly more than nominalCryptoAmount
23500000000000, # 235 BTC, just slightly more than nominalCryptoAmount
][i]
buyerCryptoAmount_str = \
[
'1000.00000000000', #1000 BTC, Equals the nominal amount
'229.00000000000', # 229 BTC, Equals the nominal amount
][i]
sellerFiatAmount = \
[
199000000, #1990 EUR, just slightly less than nominalFiatAmount
45000000, # 450 EUR, just slightly less than nominalFiatAmount
][i]
#Offers get found
msg = await self.outgoingMessages.get()
self.assertEqual(
msg, messages.BL4PFindOffers(
localOrderID=42,
query=order,
))
task.setCallResult(
messages.BL4PFindOffersResult(
request=None,
offers=[o1, Mock()],
))
msg = await self.outgoingMessages.get()
#For now, behavior is to always select the first:
self.assertEqual(task.counterOffer, o1)
self.assertEqual(self.storage.counterOffers,
{43: {
'ID': 43,
'blob': b'bar',
}})
self.assertEqual(
self.storage.sellTransactions,
{
44: {
'ID': 44,
'sellOrder': 42,
'counterOffer': 43,
'status': 0,
'senderTimeoutDelta': 2000, #highest minimum
'lockedTimeoutDelta': 53, #lowest maximum
'CLTVExpiryDelta': 23, #highest minimum
'buyerCryptoAmount': buyerCryptoAmount,
'sellerCryptoAmount': None,
'buyerFiatAmount': buyerFiatAmount,
'sellerFiatAmount': None,
'paymentHash': None,
'paymentPreimage': None,
}
})
#Transaction starts on BL4P
paymentPreimage = b'foo'
paymentHash = sha256(paymentPreimage)
self.assertEqual(
msg,
messages.BL4PStart(
localOrderID=42,
amount=buyerFiatAmount,
sender_timeout_delta_ms=2000,
locked_timeout_delta_s=53,
receiver_pays_fee=True,
))
task.setCallResult(
messages.BL4PStartResult(
request=None,
senderAmount=buyerFiatAmount,
receiverAmount=sellerFiatAmount,
paymentHash=paymentHash,
))
msg = await self.outgoingMessages.get()
self.assertEqual(
self.storage.sellTransactions, {
44: {
'ID': 44,
'sellOrder': 42,
'counterOffer': 43,
'status': ordertask.TX_STATUS_STARTED,
'senderTimeoutDelta': 2000,
'lockedTimeoutDelta': 53,
'CLTVExpiryDelta': 23,
'buyerCryptoAmount': buyerCryptoAmount,
'sellerCryptoAmount': None,
'buyerFiatAmount': buyerFiatAmount,
'sellerFiatAmount': sellerFiatAmount,
'paymentHash': paymentHash,
'paymentPreimage': None,
}
})
#Self-reporting on BL4P
self.assertEqual(msg, messages.BL4PSelfReport(
localOrderID=42,
selfReport=\
{
'paymentHash' : paymentHash.hex(),
'offerID' : str(o1.ID),
'receiverCryptoAmount': buyerCryptoAmount_str,
'cryptoCurrency' : 'btc',
},
))
task.setCallResult(messages.BL4PSelfReportResult(request=None, ))
msg = await self.outgoingMessages.get()
self.assertEqual(
self.storage.sellTransactions, {
44: {
'ID': 44,
'sellOrder': 42,
'counterOffer': 43,
'status': ordertask.TX_STATUS_LOCKED,
'senderTimeoutDelta': 2000,
'lockedTimeoutDelta': 53,
'CLTVExpiryDelta': 23,
'buyerCryptoAmount': buyerCryptoAmount,
'sellerCryptoAmount': None,
'buyerFiatAmount': buyerFiatAmount,
'sellerFiatAmount': sellerFiatAmount,
'paymentHash': paymentHash,
'paymentPreimage': None,
}
})
#LN transaction gets performed
self.assertEqual(
msg,
messages.LNPay(
localOrderID=42,
destinationNodeID='buyerAddress',
paymentHash=paymentHash,
recipientCryptoAmount=buyerCryptoAmount,
maxSenderCryptoAmount=maxSellerCryptoAmount,
minCLTVExpiryDelta=23,
fiatAmount=buyerFiatAmount,
offerID=6,
))
task.setCallResult(
messages.LNPayResult(
localOrderID=44,
paymentHash=paymentHash,
senderCryptoAmount=sellerCryptoAmount,
paymentPreimage=paymentPreimage,
))
msg = await self.outgoingMessages.get()
self.assertEqual(
self.storage.sellTransactions, {
44: {
'ID': 44,
'sellOrder': 42,
'counterOffer': 43,
'status': ordertask.TX_STATUS_RECEIVED_PREIMAGE,
'senderTimeoutDelta': 2000,
'lockedTimeoutDelta': 53,
'CLTVExpiryDelta': 23,
'buyerCryptoAmount': buyerCryptoAmount,
'sellerCryptoAmount': sellerCryptoAmount,
'buyerFiatAmount': buyerFiatAmount,
'sellerFiatAmount': sellerFiatAmount,
'paymentHash': paymentHash,
'paymentPreimage': paymentPreimage,
}
})
remainingAmount -= sellerCryptoAmount
if remainingAmount < 0:
remainingAmount = 0
order.setAmount.assert_called_once_with(remainingAmount)
order.amount = remainingAmount
order.updateOfferMaxAmounts()
#Funds get received on BL4P
self.assertEqual(
msg,
messages.BL4PReceive(
localOrderID=42,
paymentPreimage=paymentPreimage,
))
task.setCallResult(messages.BL4PReceiveResult(request=None, ))
await asyncio.sleep(0.1)
self.assertEqual(
self.storage.sellTransactions, {
44: {
'ID': 44,
'sellOrder': 42,
'counterOffer': 43,
'status': ordertask.TX_STATUS_FINISHED,
'senderTimeoutDelta': 2000,
'lockedTimeoutDelta': 53,
'CLTVExpiryDelta': 23,
'buyerCryptoAmount': buyerCryptoAmount,
'sellerCryptoAmount': sellerCryptoAmount,
'buyerFiatAmount': buyerFiatAmount,
'sellerFiatAmount': sellerFiatAmount,
'paymentHash': paymentHash,
'paymentPreimage': paymentPreimage,
}
})
self.assertEqual(task.transaction, None)
await task.waitFinished()
self.assertEqual(self.storage.sellOrders[orderID]['status'],
1) #completed
def addOrder(self, order: Union[SellOrder, BuyOrder]) -> None:
self.orderTasks[order.ID] = ordertask.OrderTask(
self.client, self.storage, order)
self.orderTasks[order.ID].startup()
