NEP5Token.py 文件源码

python
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项目:neo-python 作者: CityOfZion 项目源码 文件源码
def GetBalance(self, wallet, address, as_string=False):

        if type(address) is UInt160:
            address = Crypto.ToAddress(address)

        invoke_args = [self.ScriptHash.ToString(), parse_param('balanceOf'), [parse_param(address, wallet)]]
        tx, fee, balanceResults, num_ops = TestInvokeContract(wallet, invoke_args, None, False)

        try:
            val = balanceResults[0].GetBigInteger()
            precision_divisor = pow(10, self.decimals)
            balance = Decimal(val) / Decimal(precision_divisor)
            if as_string:
                formatter_str = '.%sf' % self.decimals
                balance_str = format(balance, formatter_str)
                return balance_str
            return balance
        except Exception as e:
            logger.error("could not get balance: %s " % e)
            traceback.print_stack()

        return 0
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