def set_fee_address(fee_address):
if len(fee_address) != 20:
return False
storage = MCTManager()
storage.put("feeAddress", fee_address)
def set_taker_fee(fee, asset_id):
if fee > max_fee:
return False
if fee < 0:
return False
storage = MCTManager()
key = concat("takerFee", asset_id)
storage.put(key, fee)
def transfer_asset_to(address, asset_id, amount):
storage = MCTManager()
if amount < 1:
Notify("Amount to transfer less than 1!")
return
key = concat(address, asset_id)
current_balance = storage.get(key)
storage.put(key, current_balance + amount)
def store_offer(trading_pair, offer_hash, offer):
'''
Store Single Offer
:param trading_pair:
:param offer_hash:
:param offer:
:return: Out put of Storage Call
'''
storage = MCTManager()
if offer.AvailableAmount == 0:
remove_offer(trading_pair, offer_hash)
else:
offer_data = storage.serialize_array(offer)
storage.put(trading_pair + offer_hash, 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))
def reduce_balance(address, asset_id, amount):
storage = MCTManager()
if amount < 1:
Notify("Amount to reduce less than 1")
return False
key = concat(address, asset_id)
current_balance = storage.get(key)
new_balance = current_balance - amount
if new_balance < 0:
Notify("Not enough balance")
return False
if new_balance > 0:
storage.put(key, new_balance)
else:
storage.delete(key)
return True
def initialize():
storage = MCTManager()
storage.put('state', 'Active')
def terminate_trading():
storage = MCTManager()
storage.put("state", "terminated")
def unfreeze_trading():
storage = MCTManager()
storage.put("state", "Active")