class Cashier:
_exchanges = exchanges.actived_exchanges
def __init__(self):
self.wallet = Wallet()
self.qty_per_order = config.configuration['qty_per_order']
def post_transfers(self, buy_account, sell_account):
'''交易完成以后的比特币转账
流程：
1. 检查钱包是否有足够余额
2.1 有余额则先发送比特币给卖方
2. 买方转移比特币到钱包
'''
buy_ex = Trader._exchanges[buy_account.name]
sell_ex = Trader._exchanges[sell_account.name]
wallet_balance = self.wallet.balance()
if wallet_balance > self.qty_per_order:
self.wallet.withdraw(sell_account.stock_deposit_address, self.qty_per_order)
buy_ex.withdraw_stock(self.qty_per_order)
def make_balance(self, accounts):
wallet_balance = self.wallet.balance()
for a in accounts:
if a.stock_balance < self.qty_per_order and wallet_balance > self.qty_per_order:
_logger.info('[CASHIER]\t\t Transfering BTC from wallet to account "{0}", qty={1}'
.format(a.name, self.qty_per_order))
self.wallet.withdraw(a.stock_deposit_address, self.qty_per_order)
wallet_balance -= self.qty_per_order
def test_deposit():
from pysolcrypto.altbn128 import randsn, FQ, multiply as ecmul, add as ecadd
contract = ZKToken.deploy(web3, n)
wallet = Wallet('Alice', contract)
value = 3.0
receipt = wallet.deposit(value)
bal = wallet.balance()
assert bal == value
def ask_double_down(self): #ask player if he wishes to double down
self.status=''
while (self.status!='YES' and self.status!='NO'):
print(self.name,end=', ')
self.status=input('Do you wish to double your bet?, Yes or No?\n').upper()
if self.status=='YES':
if Wallet.balance(self) < self.bet: #if wallet balance is insufficient
print('Your balance is low.Add money to your casino wallet')
recharge=''
while not (recharge.isdigit() and eval(recharge)>=self.bet): #recharge atleast to double the bet
recharge=input('Enter money atleast sufficient to recharge your casino wallet\n')
print('Recharging...')
Wallet.deposit(self,eval(recharge)) #recharging
Wallet.withdraw(self,self.bet) #withdraw another bet(for double down)
self.change_status("DD") #change status to DD(double down)
else:
self.change_status=("NDD") #change status to NDD(no double down)
def ask_for_insurance(self): #to ask if player needs to insure or not.
self.status=''
while self.status!='YES' and self.status!='NO':
print(self.name,',do you want to insure yourself? Yes or No?')
self.status=input().upper()
print()
if self.status=='YES':
if Wallet.balance(self)< self.bet/2: #if wallet balance is insufficient
print('Your balance is low.Add money to your casino wallet')
recharge=''
while not (recharge.isdigit() and eval(recharge)>=self.bet/2): #recharge atleast to take this insurance
recharge=input('Enter money atleast sufficient to recharge your casino wallet\n')
print('\nRecharging...')
Wallet.deposit(self,eval(recharge)) #recharging
Wallet.withdraw(self,self.bet/2) #withdrawing insurance amount
self.change_status('INSURE')
else:
self.change_status('NOINSURE')
def ask_split(self): #check and ask the player if he wish to split pair
while (self.status!='YES' and self.status!='NO'):
print(self.name,end=', ')
self.status=input('Do you wish to split?, Yes or No?\n').upper()
if self.status=='YES':
if Wallet.balance(self)< self.bet: #if wallet balance is insufficient
print('Your balance is low.Add money to your casino wallet')
recharge=''
while not (recharge.isdigit() and eval(recharge)>=self.bet): #recharge atleast to split
recharge=input('Enter money atleast sufficient to recharge your casino wallet\n')
print('Recharging...')
Wallet.deposit(self,eval(recharge)) #recharging
Wallet.withdraw(self,self.bet) #withdrawing split amount
self.change_status('SPLIT') #change status to "SPLIT"
self.cards_split=[self.cards[0]] #another hand
self.status_split='SPLIT' #assigning status of another hand as "PLAY"
self.add_split=0 #assigning add of another hand as 0
self.cards=[self.cards[0]] #removing second element
else:
self.change_status('NOSPLIT')
def test_confidential_transaction():
from pysolcrypto.altbn128 import randsn, FQ, multiply as ecmul, add as ecadd
print('bit size: ' + str(n))
contract = ZKToken.deploy(web3, n)
# setup phase
wallet_alice = Wallet('Alice', contract, notes=[], composer=None)
gas_receipt = wallet_alice.quick_setup(NaiveStrategy)
print('\nAlice setup\n' + gas_receipt)
wallet_bob = Wallet('Bob', contract, notes=[], composer=None)
print('\nBob setup\n' + gas_receipt)
gas_receipt = wallet_bob.quick_setup(NaiveStrategy)
# deposit
receipt = wallet_alice.deposit(3.0)
print('\nAlice is to deposit 3 eth' + '\ngas cost: ' +
str(receipt.gasUsed))
receipt = wallet_alice.deposit(8.0)
print('\nAlice is to deposit 8 eth' + '\ngas cost: ' +
str(receipt.gasUsed))
print('\nbalances ' + '\nAlice: ' + str(wallet_alice.balance()) + ' eth' +
'\nBob: ' + str(wallet_bob.balance()) + ' eth' + '\nContract: ' +
str(Web3.fromWei(web3.eth.getBalance(contract.address), 'ether')) +
' eth')
print('\nAlice is to send 10 eth to Bob')
# transaction
tx = wallet_alice.make_ct_phase_1(10.0)
tx = wallet_bob.make_ct_phase_2(tx)
receipt = tx.broadcast()
print('2 input, 2 output transaction' + '\ngas cost: ' +
str(receipt.gasUsed))
for input in tx.inputs_of('Alice'):
assert contract.get_note(input) == 0
for output in tx.outputs_of('Alice'):
note = Commitment.aggregate(
[wallet_alice.get_commitment(index) for index in output])
assert note.y() == contract.get_note(note.x())
for output in tx.outputs_of('Bob'):
note = Commitment.aggregate(
[wallet_bob.get_commitment(index) for index in output])
assert note.y() == contract.get_note(note.x())
wallet_alice.update(tx)
wallet_bob.update(tx)
print('\nbalances ' + '\nAlice: ' + str(wallet_alice.balance()) + ' eth' +
'\nBob: ' + str(wallet_bob.balance()) + ' eth' + '\nContract: ' +
str(Web3.fromWei(web3.eth.getBalance(contract.address), 'ether')) +
' eth')
# withdraw
receiver = Web3.toChecksumAddress(
Web3.toHex(Web3.sha3(random.randint(1, 44000))[-20:]))
receipt = wallet_bob.withdraw(4.0, receiver)
print('\nBob withdraws 4 eth' + '\ngas cost: ' + str(receipt.gasUsed))
assert Web3.toWei(4.0, 'ether') == web3.eth.getBalance(receiver)
print('\nbalances ' + '\nAlice: ' + str(wallet_alice.balance()) + ' eth' +
'\nBob: ' + str(wallet_bob.balance()) + ' eth' + '\nContract: ' +
str(Web3.fromWei(web3.eth.getBalance(contract.address), 'ether')) +
' eth' + '\nReceiver of the withdrawal: ' +
str(Web3.fromWei(web3.eth.getBalance(receiver), 'ether')) + ' eth')
print()
print('fin')
