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putcontract.py
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putcontract.py
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import smartpy as sp
class PutOptions(sp.Contract):
def __init__(self,admin,endCycle,endWithdraw,token):
self.init(contractBuyer= sp.big_map(),contractSellar = sp.big_map(),
administrator = admin,buyerSet = sp.set(),poolSet=sp.set(),
xtzPrice=400,validation=sp.record(cycleEnd=sp.timestamp(endCycle),withdrawTime=sp.timestamp(endWithdraw),totalSupply=sp.nat(0)),
tokenContract=token,adminAccount=0,model = sp.map()
)
@sp.entry_point
def putBuyer(self,params):
sp.verify(sp.now < self.data.validation.cycleEnd)
sp.verify(~ self.data.contractBuyer.contains(sp.sender))
self.data.model[self.data.xtzPrice*90] = {7:1,14:2,21:4}
self.data.model[self.data.xtzPrice*95] = {7:2,14:4,21:8}
self.data.model[self.data.xtzPrice*100] = {7:4,14:8,21:16}
self.data.model[self.data.xtzPrice*105] = {7:2,14:4,21:8}
self.data.model[self.data.xtzPrice*110] = {7:1,14:2,21:4}
sp.verify(self.data.model.contains(params.StrikePrice*100))
sp.verify(self.data.model[params.StrikePrice*100].contains(params.expire))
TotalAmount = sp.local('TotalAmount',params.StrikePrice*params.Options*100)
Interest = sp.local('Interest',self.data.model[params.StrikePrice*100][params.expire])
Deadline = sp.now.add_days(params.expire)
sp.verify(self.data.validation.totalSupply > TotalAmount.value)
sp.verify(self.data.validation.cycleEnd > sp.now.add_days(params.expire))
# Deleting Pricing Model
del self.data.model[self.data.xtzPrice*90]
del self.data.model[self.data.xtzPrice*95]
del self.data.model[self.data.xtzPrice*100]
del self.data.model[self.data.xtzPrice*105]
del self.data.model[self.data.xtzPrice*110]
self.data.adminAccount += params.StrikePrice*params.Options
self.data.buyerSet.add(sp.sender)
CollateralTotal = sp.local('CollateralTotal',0)
PremiumCal = sp.local('PremiumCal',params.StrikePrice*params.Options*Interest.value)
Payment = sp.local('Payment',params.StrikePrice*params.Options*Interest.value + params.StrikePrice*params.Options)
self.Lock(sp.sender,Payment.value)
sp.if params.StrikePrice > self.data.xtzPrice:
PremiumCal.value += abs((params.StrikePrice - self.data.xtzPrice)*100)
PremiumTotal = sp.local('PremiumTotal',0)
self.data.contractBuyer[sp.sender] = sp.record(strikePrice = params.StrikePrice, pool = sp.map(),adminpayment =0,options=params.Options,
expiry=Deadline)
sp.for i in self.data.poolSet.elements():
self.data.contractBuyer[sp.sender].pool[i] = (self.data.contractSellar[i].amount*TotalAmount.value)/self.data.validation.totalSupply
CollateralTotal.value += self.data.contractBuyer[sp.sender].pool[i]
self.data.contractSellar[i].premium += (self.data.contractSellar[i].amount*PremiumCal.value)/self.data.validation.totalSupply
PremiumTotal.value += (self.data.contractSellar[i].amount*PremiumCal.value)/self.data.validation.totalSupply
self.data.contractSellar[i].amount = abs(self.data.contractSellar[i].amount - (self.data.contractSellar[i].amount*TotalAmount.value)/self.data.validation.totalSupply)
self.data.adminAccount += abs(PremiumCal.value - PremiumTotal.value)
self.data.validation.totalSupply = abs(self.data.validation.totalSupply - CollateralTotal.value)
sp.if CollateralTotal.value != params.StrikePrice*params.Options*100:
self.data.contractBuyer[sp.sender].adminpayment = abs(params.StrikePrice*params.Options*100 - CollateralTotal.value)
self.data.adminAccount = abs(self.data.adminAccount - self.data.contractBuyer[sp.sender].adminpayment)
@sp.entry_point
def putSeller(self,params):
sp.verify(sp.now < self.data.validation.cycleEnd)
sp.verify(params.amount >= 10000)
sp.verify(params.amount %10000 == 0 )
# Token Contract Call
self.Lock(sp.sender,params.amount)
sp.if self.data.poolSet.contains(sp.sender):
self.data.contractSellar[sp.sender].amount += params.amount
sp.else:
self.data.poolSet.add(sp.sender)
self.data.contractSellar[sp.sender] = sp.record(amount=0,premium=0)
self.data.contractSellar[sp.sender].amount += params.amount
self.data.validation.totalSupply += params.amount
@sp.entry_point
def ReleaseContract(self):
sp.verify(sp.now < self.data.validation.cycleEnd)
sp.verify(self.data.contractBuyer.contains(sp.sender))
sp.verify(sp.now < self.data.contractBuyer[sp.sender].expiry)
sp.if self.data.contractBuyer[sp.sender].strikePrice > self.data.xtzPrice:
self.data.adminAccount += self.data.contractBuyer[sp.sender].adminpayment
Amount = sp.local('Amount',(self.data.contractBuyer[sp.sender].strikePrice - self.data.xtzPrice)*100)
PoolAmount = sp.local('PoolAmount',(self.data.contractBuyer[sp.sender].strikePrice*self.data.contractBuyer[sp.sender].options)*100 - self.data.contractBuyer[sp.sender].adminpayment)
TotalCal = sp.local('TotalCal',0)
sp.for i in self.data.contractBuyer[sp.sender].pool.keys():
TotalCal.value += (self.data.contractBuyer[sp.sender].pool[i]*abs(Amount.value))/abs(PoolAmount.value)
self.data.contractBuyer[sp.sender].pool[i] = abs(self.data.contractBuyer[sp.sender].pool[i] - (self.data.contractBuyer[sp.sender].pool[i]*abs(Amount.value))/abs(PoolAmount.value))
self.data.contractSellar[i].amount += self.data.contractBuyer[sp.sender].pool[i]
sp.if TotalCal.value != abs(Amount.value):
self.data.adminAccount = abs( self.data.adminAccount - abs(abs(Amount.value) - TotalCal.value))
sp.send(sp.sender,sp.tez(abs(Amount.value)))
self.Unlock(sp.sender,abs(Amount.value))
self.data.buyerSet.remove(sp.sender)
del self.data.contractBuyer[sp.sender]
@sp.entry_point
def ResetContract(self):
sp.for i in self.data.buyerSet.elements():
sp.if sp.now > self.data.contractBuyer[i].expiry:
sp.for j in self.data.contractBuyer[i].pool.keys():
self.data.contractSellar[j].amount += self.data.contractBuyer[i].pool[j]
self.data.adminAccount += self.data.contractBuyer[i].adminpayment
self.data.buyerSet.remove(i)
del self.data.contractBuyer[i]
@sp.entry_point
def WithdrawToken(self,params):
sp.verify(sp.now > self.data.validation.cycleEnd)
sp.verify(sp.now < self.data.validation.withdrawTime)
sp.verify(self.data.contractSellar.contains(sp.sender))
Payment = sp.local('Payment',self.data.contractSellar[sp.sender].premium + self.data.contractSellar[sp.sender].amount)
self.Unlock(sp.sender,Payment.value)
self.data.poolSet.remove(sp.sender)
del self.data.contractSellar[sp.sender]
@sp.entry_point
def WithdrawPremium(self,params):
sp.verify(self.data.contractSellar.contains(sp.sender))
sp.verify(self.data.contractSellar[sp.sender].premium > 0 )
self.Unlock(sp.sender,self.data.contractSellar[sp.sender].premium)
self.data.contractSellar[sp.sender].premium = 0
def Lock(self,address,amount):
c = sp.contract(sp.TRecord(address = sp.TAddress, amount = sp.TNat), self.data.tokenContract, entry_point = "LockToken").open_some()
mydata = sp.record(address = address,amount=amount)
sp.transfer(mydata, sp.mutez(0), c)
def Unlock(self,address,amount):
c = sp.contract(sp.TRecord(address = sp.TAddress, amount = sp.TNat), self.data.tokenContract, entry_point = "UnlockToken").open_some()
mydata = sp.record(address = address,amount=amount)
sp.transfer(mydata, sp.mutez(0), c)
@sp.entry_point
def ModifyPrice(self,params):
sp.verify(sp.sender == self.data.administrator)
self.data.xtzPrice = params.price
@sp.entry_point
def RestartCycle(self):
sp.verify(sp.sender == self.data.administrator)
sp.verify(sp.now > self.data.validation.withdrawTime)
self.data.validation.cycleEnd = sp.now.add_days(23)
self.data.validation.withdrawTime = sp.now.add_days(25)
@sp.add_test(name = "Put Contract Testing")
def test():
admin = sp.address("tz1hPnEdcKWrdeZEAQiGfmV6knHA5En1fCwQ")
# Put Buyers
token = sp.address("KT1KtyJeL78tdHnzwCPE8M14WDb1zqsnLkjQ")
bob = sp.address("tz1678")
# Put Sellers
alice = sp.address("tz1456")
alex = sp.address("tz1910")
scenario = sp.test_scenario()
c1 = PutOptions(admin,10,20,token)
scenario += c1
scenario += c1.RestartCycle().run(sender=admin,now=30)
scenario += c1.putBuyer(StrikePrice=400,Options=1,expire=14).run(now=50,sender=bob,valid=False)
scenario += c1.putSeller(amount=50000).run(now=45,sender=alice,amount=sp.tez(100000))
scenario += c1.putSeller(amount=10000).run(now=45,sender=alice)
scenario += c1.putSeller(amount=10000).run(now=45,sender=alex)
scenario += c1.putBuyer(StrikePrice=400,Options=1,expire=14).run(now=50,sender=bob)
#scenario += c1.ResetContract().run(sender=alice,now=1209655)
# scenario += c1.ModifyPrice(price=300).run(sender=admin)
# scenario += c1.ReleaseContract().run(sender=bob)