def get_offers(trading_pair) -> list:
'''
Get List of Offers for trading pair
:param trading_pair: scripthash of each contract trading pair
:return: list of Offers()
'''
storage = MCTManager()
result_serialized = storage.get(trading_pair)
if not result_serialized:
print("result_serialized is null")
return None
result_info = storage.deserialize(result_serialized)
offers = []
for result in result_info:
offer = Offer()
offer.MakerAddress = result.MakerAddress
offer.OfferAssetID = result.OfferAssetID
offer.OfferAssetCategory = result.OfferAssetCategory
offer.OfferAmount = result.OfferAmount
offer.WantAssetID = result.WantAssetID
offer.WantAssetCategory = result.WantAssetCategory
offer.WantAmount = result.WantAmount
offer.AvailableAmount = result.AvailableAmount
offer.TradingPair = result.OfferAssetCategory + result.WantAssetCategory
offers.append(offer)
return offers
def get_volume(bucket_number, asset_id):
storage = MCTManager()
volume_key = concat("tradeVolume", bucket_number)
volume_key = concat(volume_key, asset_id)
volume_data = storage.get(volume_key)
if len(volume_data) == 0:
return Volume()
else:
return storage.deserialize(volume_data)
def get_offer(trading_pair, hash) -> Offer:
'''
Get Single Offer
:param trading_pair:
:param hash:
:return: Offer Object
'''
storage = MCTManager()
offer_data = storage.get(trading_pair + hash)
if len(offer_data) == 0:
return Offer()
else:
return storage.deserialize(offer_data)
def add_volume(asset_id, native_amount, foreign_amount):
time = GetTime()
storage = MCTManager()
bucket_number = time / bucket_duration
volume_key = concat("tradeVolume", bucket_number)
volume_key = concat(volume_key, asset_id)
volume_data = storage.get(volume_key)
if len(volume_data) == 0:
volume = Volume()
volume.Native = native_amount
volume.Foreign = foreign_amount
else:
volume = storage.deserialize(volume_data)
volume.Native = volume.Native + native_amount
volume.Foreign = volume.Foreign + foreign_amount
storage.put(volume_key, storage.serialize_array(volume))