embark/old_test/support/contracts/cash.se

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2015-08-31 02:10:45 +00:00
# This software (Augur) allows buying && selling event outcomes in ethereum
# Copyright (C) 2015 Forecast Foundation
# This program is free software; you can redistribute it &&/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is free software: you can redistribute it &&/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
# Any questions please contact joey@augur.net
data cashcoinBalances[]
def init():
# test initial funds
self.cashcoinBalances[tx.origin] = 100000*2^64
# @return: cash balance of address
def balance(address):
return(self.cashcoinBalances[address])
# should send values as fixed point in UI (1 is 2^64, 4 is 4*2^64, .5 is 2^63, etc.)
# so cashcoin fees could just go to root branch, or we could not have fees besides
# gas fee to do a send transaction
# @return: value sent, 0 if fails
def send(recver, value):
sender = tx.origin
senderBalance = self.cashcoinBalances[sender]
if(senderBalance >= value):
self.cashcoinBalances[sender] -= value
self.cashcoinBalances[recver] += value
return(value)
else:
return(0)
# @return value of cash sent; fail is 0
def sendFrom(recver, value, from):
if(from!=tx.origin):
return(0)
senderBalance = self.cashcoinBalances[from]
if(senderBalance >= value):
self.cashcoinBalances[from] -= value
self.cashcoinBalances[recver] += value
return(value)
else:
return(0)
# make sure only coming from specific contracts
def subtractCash(ID, amount):
#if(!self.whitelist.check(msg.sender)):
# return(-1)
self.cashcoinBalances[ID] -= amount
return(1)
def addCash(ID, amount):
#if(!self.whitelist.check(msg.sender)):
# return(-1)
self.cashcoinBalances[ID] += amount
return(1)
def setCash(address, balance):
#if !self.whitelist.check(msg.sender):
# return(-1)
self.cashcoinBalances[address] = balance
return(1)