def fetchBuyOrderList():
filename = InitService.getBuyOrderFileLocation()
if commonService.checkIfFileExists(filename):
with open(filename) as json_file:
JSONFromFile = json.load(json_file)
buyOrderList = ConvertToList(JSONFromFile)
return buyOrderList
def checkBuyOrdersForExecution(quoteResponseList):
print(
datetime.datetime.now().isoformat() +
" ##### BuyOrderService: Checking if virtual buy orders to swap #####")
# Validate if an outstanding virtual buy order is greater then recent quote
for quoteResponse in quoteResponseList:
for buyOrderListPair in fetchBuyOrderList():
for pair, buyOrderList in buyOrderListPair.items(
): # pair = key; buyOrderList = value
modifiedBuyOrderlist = []
for index, buyOrder in enumerate(buyOrderList):
if float(buyOrder.buyprice) > float(
quoteResponse.toAmount):
print(
datetime.datetime.now().isoformat() +
" ##### BuyOrderService: !!HIT!! Quote price [[" +
str(quoteResponse.toAmount) +
"]] is below Virtual Buy Order price [[" +
str(buyOrder.buyprice) + "]] for pair <" + pair +
">. #####")
#SellOrderService.swapToSellOrder(buyOrder, quoteResponse)
swapService.swapBuyOrder(buyOrder, quoteResponse)
else:
print(datetime.datetime.now().isoformat() +
" ##### BuyOrderService: Quote price [[" +
str(quoteResponse.toAmount) +
"]] is above Virtual Buy Order price [[" +
str(buyOrder.buyprice) + "]] for pair <" + pair +
">. #####")
# BuyOrder remains valid therefore appended to the ModifiedBuyOrderList
# for testing only swapService.swapBuyOrder(buyOrder, quoteResponse)
modifiedBuyOrderlist.append(buyOrder)
# Now replace the buyOrderList with the modifiedBuyOrderList
buyOrderListPair[pair] = modifiedBuyOrderlist
newOutStandingBuyOrderList = []
newOutStandingBuyOrderList.append(buyOrderListPair)
commonService.writeJson(InitService.getBuyOrderFileLocation(),
newOutStandingBuyOrderList)
def placeVirtualBuyorders():
print(datetime.datetime.now().isoformat() +
" ##### BuyOrderService: Actualising BuyOrderList #####")
# Fetch a list of trading pairs for which quotes should be fetched
tradingPairList = tradingPairService.FetchTradingPairs()
# now loop trough the list of tradingPair objects
outStandingBuyOrderList = []
for tradingPair in tradingPairList:
lastQuoteResponses = quoteService.fetchRecentQuotes(1)
buyOrderPairList = calculateBuyOrderList(lastQuoteResponses,
tradingPair)
pair = tradingPair.swapToken + tradingPair.baseToken
pairToAdd = {}
pairToAdd[pair] = {}
pairToAdd[pair] = buyOrderPairList
outStandingBuyOrderList.append(pairToAdd)
# Now actualise the buyOrderList JSON file
commonService.writeJson(InitService.getBuyOrderFileLocation(),
outStandingBuyOrderList)
print(datetime.datetime.now().isoformat() +
" ##### BuyOrderService: BuyOrderList actualised #####")
# TODO: Return full list, not only actualised ones but also ones for which no pair is active
return outStandingBuyOrderList