def Main(operation, args):
Log(args)
trigger = GetTrigger()
storage = StorageAPI()
arg_error = 'Incorrect Arg Length'
if trigger == Verification():
# todo maybe implement later
return True
elif trigger == Application():
if operation != None:
if operation == "balance":
if len(args) == 1:
account = args[0]
balance = storage.get(account)
return balance
Log(arg_error)
return arg_error
if operation == "accrue":
if len(args) == 2:
account = args[0],
gain = args[1]
new_balance = storage.get(account) + gain
return storage.put(account, new_balance)
Log(arg_error)
return arg_error
return False
def Main(operation, args, sender=None):
trigger = GetTrigger()
if trigger == Application():
exchange = Exchange()
"""
Standard Operations
No Permissions Required
"""
if operation == "depositFunds":
return DepositFunds()
elif operation == "distributeBetWinnings":
return exchange.DistributeBetWinnings(args)
elif operation == "processBetQueue":
return exchange.ProcessBetQueue(args)
"""
User Operations
Requires Sender to be the User
"""
if operation == "placeBet":
return exchange.PlaceBet(args, sender)
elif operation == "cancelBet":
return exchange.CancelBet(args, sender)
"""
Admin Operations
Requires Owner Permissions
"""
admin = Admin()
if operation == 'killAdmin':
return False
elif operation == 'initContract':
return admin.InitialiseContract()
return False
def Main(operation, args):
trigger = GetTrigger()
OWNER = b'6b1410519d09f00bde5121bab0b56a6c916095b2'
if trigger == Verification():
print("doing verification!")
owner_len = len(OWNER)
if owner_len == 20:
res = CheckWitness(OWNER)
print("owner verify result")
return res
elif trigger == Application():
if operation == 'name':
n = Name()
return n
return False
def Main(args):
print("Do Withdraw Test")
trigger = GetTrigger()
if trigger == Verification():
print("doing verification")
return True
# check to see if the withdrawer is the owner
is_owner = CheckWitness(OWNER)
# always allow owner to withdraw
if is_owner:
can_widthraw = CanClaimGas()
return can_widthraw
else:
can_widthraw = CanWithdrawNeo()
return can_widthraw
elif trigger == Application():
print("doing application")
operation = args[0]
if operation == 'hodl':
print("Hodling engaged!")
deposit = DepositNeo()
return deposit
elif operation == 'info':
print("Info requested")
return Description()
return False
def Main():
"""
:return:
"""
trigger = GetTrigger()
Notify(trigger)
if trigger == Application():
print("application!")
elif trigger == Verification():
print("verification!")
k = 10
print("hello")
return k
def Main(bytes):
trigger = GetTrigger()
if trigger == Verification():
print("Verification!")
return False
elif trigger == Application():
print("Application!")
i = 0
l = len(bytes)
while i < l:
c = substr(bytes, i, 1)
i = i + 1
if c == 0:
print("Null")
else:
print("Not null")
return True
def Main(a):
trigger = GetTrigger()
if trigger == Verification():
if not CheckWitness(owner):
print("not owner!!")
return False
return True
elif trigger == Application():
print("do some other thing")
m = 3
j = a + m
return j
return 3
def Main(operation, args):
trigger = GetTrigger()
if trigger == Verification():
return CheckWitness(OWNER)
elif trigger == Application():
context = GetContext()
l = len(args)
if l == 1:
key = args[0]
elif l == 2:
key = args[0]
value = args[1]
else:
Log("Bad invocation argument count")
Log(l)
return False
if operation == 'getvalue':
return Get(context, key)
elif operation == 'putvalue':
prefix = take(key, 6)
if BADPREFIX == prefix:
Log("Hacking attempt!")
return False
if CheckWitness(OWNER):
Log("Owner found, bypassing payment")
Put(context, key, value)
return True
else:
# check if we got paid
tx = GetScriptContainer()
refs = tx.References
if len(refs) < 1:
Log("No payment sent in transaction")
return False
ref = refs[0]
sentAsset = GetAssetId(ref)
if sentAsset == GAS_ASSET_ID:
sender = GetScriptHash(ref)
receiver = GetExecutingScriptHash();
totalGasSent = 0
for output in tx.Outputs:
shash = GetScriptHash(output)
if shash == receiver:
totalGasSent = totalGasSent + output.Value
Log ("Total GAS sent:")
Log (totalGasSent)
pkey = concat('price/', key)
keyprice = Get(context, pkey)
if totalGasSent == keyprice:
Log("Price met, setting value and sending notification")
notification=[sender,key,value]
Notify(notification)
Put(context, key, value)
return True
Log("Price not met!")
return False
return False
elif operation == 'getprice':
key = concat('price/', key)
return Get(context, key)
elif operation == 'putprice':
if CheckWitness(OWNER):
key = concat('price/', key)
Put(context, key, value)
return True
else:
Log("Access denied")
return False
else:
Log("Invalid operation")
return False
return False
def Main(operation, args):
"""
Main definition for the KRYPTON smart contact
:param operation: the operation to be performed
:type operation: str
:param args: an optional list of arguments
:type args: list
:return: indicating the successful execution of the smart contract
:rtype: bool
"""
trigger = GetTrigger()
if trigger == Verification():
is_owner = CheckWitness(KRYPTON)
if is_owner:
return True
return False
elif trigger == Application():
# Check the version for compatability
if operation == 'version':
version = VERSION
Notify(version)
return version
# Let the provider deploy on the blockchain
elif operation == 'deploy':
if (len(args) == 2):
# Read arguments
provider = args[0]
location = args[1]
# Deploy the provider
Log('FUNC_DEPLOY')
deploy = Deploy(provider, location)
return deploy
else:
Log('INVALID_ARGUMENTS')
return False
# Let the provider undeploy on the blockchain
elif operation == 'undeploy':
if (len(args) == 1):
# Read arguments
provider = args[0]
# Undeploy the provider
Log('FUNC_UNDEPLOY')
undeploy = Undeploy(provider)
return undeploy
else:
Log('INVALID_ARGUMENTS')
return False
# Let the user register to a provider
elif operation == 'register':
if (len(args) == 3):
# Read arguments
user = args[0]
provider = args[1]
uuid = args[2]
# Register the user
Log('FUNC_REGISTER')
register = Register(user, provider, uuid)
return register
else:
Log('INVALID_ARGUMENTS')
return False
# Let the user unregister to a provider
elif operation == 'unregister':
if (len(args) == 1):
user = args[0]
# Unregister the user
Log('FUNC_UNREGISTER')
unregister = Unregister(user)
return unregister
else:
Log('INVALID_ARGUMENTS')
return False
# Query a user for UUID or provider
elif operation == 'query':
if (len(args) == 2):
# Read arguments
query = args[0]
user = args[1]
# Query the user for UUID or provider
Log('FUNC_QUERY')
queryuser = QueryUser(query, user)
return queryuser
else:
Log('INVALID_ARGUMENTS')
return False
Log('INVALID_FUNCTION')
return False
Log('FORBIDDEN')
return False
def Main(operation, args):
trigger = GetTrigger()
if trigger == Verification():
is_owner = CheckWitness(OWNER)
if is_owner:
return True
return False
elif trigger == Application():
# seller action
if operation == 'create':
if len(args) == 8:
creator = args[0] # public key
promo_id = args[1]
title = args[2]
description = args[3]
price_per_person = args[4] # price in GAS
expiration = args[5]
min_count = args[6]
max_count = args[7]
success = CreatePromo(creator, promo_id, title, description,
price_per_person, expiration, min_count,
max_count)
if success:
Log('Promo created successfully')
return True
else:
Log('Error in creating promo')
return False
else:
Log('incorrect number of arguments')
return False
# seller action
elif operation == 'delete':
if len(args) == 1:
promo_id = args[0]
authorize = IsPromoCreator(promo_id)
if authorize:
success = DeletePromo(promo_id)
if success:
Log('Promo deleted successfully')
return True
else:
Log('Error in deleting promo')
return False
else:
Log('Permission denied')
return False
else:
Log('incorrect number of arguments')
return False
# seller action
elif operation == 'claim':
if len(args) == 1:
promo_id = args[0]
authorize = IsPromoCreator(promo_id)
if authorize:
success = ClaimFunds(promo_id)
if success:
Log('Promo funds claimed successfully')
else:
Log('Error in claiming funds')
return False
else:
Log('Permission denied')
return False
else:
Log('incorrect number of arguments')
return False
# buyer action
elif operation == 'buy':
if len(args) == 3:
buyer = args[0]
promo_id = args[1]
quantity = args[2]
success = BuyPromo(buyer, promo_id, quantity)
if success:
Log('Promo purchased successfully')
return True
else:
Log('Error in purchasing promo')
return False
else:
Log('incorrect number of arguments')
return False
# buyer action
elif operation == 'refund':
if len(args) == 2:
buyer = args[0]
promo_id = args[1]
authorize = CheckWitness(buyer)
if authorize:
success = RefundPromo(buyer, promo_id)
if success:
Log('Promo refunded successfully')
return True
else:
Log('Error in refund')
return False
else:
Log('Permission denied')
return False
else:
Log('incorrect number of arguments')
return False
# buyer/seller action
elif operation == 'details':
if len(args) == 1:
promo_id = args[0]
Details(promo_id)
return True
else:
Log('incorrect number of arguments')
return False
else:
Log('operation not found')
return False
return False
def Main(operation, args):
"""
This is the main entry point for the dApp
:param operation: the operation to be performed
:type operation: str
:param args: an optional list of arguments
:type args: list
:return: indicating the successful execution of the dApp
:rtype: bool
"""
trigger = GetTrigger()
if trigger == Verification():
# if the script that sent this is the owner
# we allow the spend
is_owner = CheckWitness(OWNER)
if is_owner:
return True
return False
elif trigger == Application():
if operation == 'deploy':
if len(args) == 6:
dapp_name = args[0]
oracle = args[1]
time_margin = args[2]
min_time = args[3]
max_time = args[4]
fee = args[5]
d = Deploy(dapp_name, oracle, time_margin, min_time, max_time)
Log("Dapp deployed")
return d
else:
return False
elif operation == 'name':
context = GetContext()
n = Get(context, 'dapp_name')
return n
elif operation == 'updateName':
if len(args) == 1:
new_name = args[0]
n = UpdateName(new_name)
Log("Name updated")
return n
else:
return False
elif operation == 'oracle':
context = GetContext()
o = Get(context, 'oracle')
return o
elif operation == 'updateOracle':
if len(args) == 1:
new_oracle = args[0]
o = UpdateOracle(new_oracle)
Log("Oracle updated")
return o
else:
return False
elif operation == 'time_margin':
context = GetContext()
time_margin = Get(context, 'time_margin')
return time_margin
elif operation == 'min_time':
context = GetContext()
min_time = Get(context, 'min_time')
return min_time
elif operation == 'max_time':
context = GetContext()
max_time = Get(context, 'max_time')
return max_time
elif operation == 'updateTimeLimits':
if len(args) == 2:
time_variable = args[0]
value = args[1]
t = UpdateTimeLimits(time_variable, value)
Log("Time limits updated")
return t
else:
return False
elif operation == 'agreement':
if len(args) == 10:
agreement_key = args[0]
customer = args[1]
insurer = args[2]
location = args[3]
timestamp = args[4]
utc_offset = args[5]
amount = args[6]
premium = args[7]
dapp_name = args[8]
fee = args[9]
a = Agreement(agreement_key, customer, insurer, location,
timestamp, utc_offset, amount, premium,
dapp_name, fee)
Log("Agreement added!")
return a
else:
return False
elif operation == 'resultNotice':
if len(args) == 3:
agreement_key = args[0]
weather_param = args[1]
oracle_cost = args[2]
return ResultNotice(agreement_key, weather_param, oracle_cost)
else:
return False
elif operation == 'claim':
if len(args) == 1:
agreement_key = args[0]
return Claim(agreement_key)
else:
return False
elif operation == 'transfer':
if len(args) == 3:
t_from = args[0]
t_to = args[1]
t_amount = args[2]
return DoTransfer(t_from, t_to, t_amount)
else:
return False
elif operation == 'refundAll':
if len(args) == 1:
agreement_key = args[0]
return RefundAll(agreement_key)
else:
return False
elif operation == 'deleteAgreement':
if len(args) == 1:
agreement_key = args[0]
return DeleteAgreement(agreement_key)
else:
return False
result = 'unknown operation'
return result
return False
def Main(operation, args):
trigger = GetTrigger()
if trigger == Verification():
# Verification is done when sending money out of the contract.
#
# We need to check the sender's balance to make sure they have enough to allow them
# to send what they're trying to send
#
# Note: Contract owner has no special privileges here.
tx = GetScriptContainer()
valid = False
# Go through all the outputs and make sure there's only one output destination.
# This will be used if we're auto-rescinding the assets (ie sending back to the original
# sender after a week goes by without the recipient picking up). We'll make sure there's only
# one output script hash and it matches the stored script hash of the original sender
#
# Also we make sure not outputs are going to the contract script hash because we don't support
# change.
output_script_hash = None
contract_script_hash = GetExecutingScriptHash()
for output in tx.Outputs:
shash = GetScriptHash(output)
if shash == contract_script_hash:
return False
if output_script_hash == None:
output_script_hash = shash
elif shash != output_script_hash:
return False
for input in tx.Inputs:
hash = InputGetHash(input)
context = GetContext()
tx_info_serialized = Get(context, hash)
tx_info = deserialize_bytearray(tx_info_serialized)
escrow = tx_info[0]
sender = tx_info[1]
time = tx_info[2]
is_escrow = CheckWitness(escrow)
if is_escrow != True:
if sender != output_script_hash:
return False
current_time = GetCurrentTimestamp()
seven_days = 604800
minimum_time = time + seven_days
if current_time < minimum_time:
return False
# We have at least one. We'll keep checking if there are more.
print('That input was valid')
valid = True
print('All good')
return valid
elif trigger == Application():
if operation == 'name':
n = "Sendeo"
return n
elif operation == 'deposit':
if len(args) != 2:
return False
recipient = args[0]
note = args[1]
deposit = Deposit(recipient, note)
return deposit
return False
def Main(operation, args):
trigger = GetTrigger()
if trigger == Verification():
is_owner = CheckWitness(BCSCHAIN)
if is_owner:
return True
return False
elif trigger == Application():
# Check the version for compatability
if operation == 'ownArea':
if (len(args) == 3):
addr = args[0]
lat = args[1]
lon = args[2]
Log('Owning_Area')
res = own_area(addr, lat, lon)
return res
else:
Log('INVALID_ARGUMENTS')
return False
elif operation == 'createProduct':
if (len(args) == 3):
addr = args[0]
uuid = args[1]
p_name = args[2]
Log('Creating_Product')
res = create_product(addr, uuid, p_name)
return res
else:
Log('INVALID_ARGUMENTS')
return False
elif operation == 'activateProduct':
if (len(args) == 2):
addr = args[0]
uuid = args[1]
Log('Activating_Product')
res = activate_product(addr, uuid)
return res
else:
Log('INVALID_ARGUMENTS')
return False
elif operation == 'setPrice':
if (len(args) == 3):
addr = args[0]
uuid = args[1]
price = args[2]
Log('Setting_Price')
res = set_price(addr, uuid, price)
return res
else:
Log('INVALID_ARGUMENTS')
return False
elif operation == 'buyProduct':
if (len(args) == 2):
addr = args[0]
uuid = args[1]
Log('Buying_Product')
res = buy_product(addr, uuid)
return res
else:
Log('INVALID_ARGUMENTS')
return False
elif operation == 'deactivateProduct':
if (len(args) == 2):
addr = args[0]
uuid = args[1]
Log('Deactivating_Product')
res = deactivate_product(addr, uuid)
return res
else:
Log('INVALID_ARGUMENTS')
return False
Log('INVALID_FUNCTION')
return False
Log('FORBIDDEN')
return False
def Main(operation, args):
"""
This is the main entry point for the dApp
:param operation: the operation to be performed
:type operation: str
:param args: an optional list of arguments
:type args: list
:return: indicating the successful execution of the dApp
:rtype: bool
"""
trigger = GetTrigger()
if trigger == Verification():
# if the script that sent this is the owner
# we allow the spend
is_owner = CheckWitness(OWNER)
if is_owner:
return True
return False
elif trigger == Application():
if operation == 'name':
n = 'Milestone'
return n
elif operation == 'fee':
context = GetContext()
f = Get(context, 'fee')
if len(f) == 0:
f = INITIAL_FEE
return f
elif operation == 'setFee':
if len(args) == 1:
new_fee = args[0]
context = GetContext()
Delete(context, 'fee')
Put(context, 'fee', new_fee)
DispatchFeeUpdateEvent(new_fee)
return True
else:
return False
elif operation == 'milestone':
if len(args) == 11:
milestone_key = args[0]
agreement = args[1]
customer = args[2]
assignee = args[3]
platform = args[4]
timestamp = args[5]
utc_offset = args[6]
oracle = args[7]
pay_out = args[8]
asset = args[9]
threshold = args[10]
a = Milestone(milestone_key, agreement, customer, assignee, platform, timestamp, utc_offset, pay_out, oracle, asset, threshold)
Notify("Milestone added!")
return a
else:
return False
elif operation == 'review':
if len(args) == 2:
milestone_key = args[0]
review_score = args[1]
return Review(milestone_key, review_score)
else:
return False
elif operation == 'transfer':
if len(args) == 3:
t_from = args[0]
t_to = args[1]
t_amount = args[2]
return DoTransfer(t_from, t_to, t_amount)
else:
return False
elif operation == 'refund':
if len(args) == 2:
milestone_key = args[0]
fee_refund = args[1]
return Refund(milestone_key, fee_refund)
else:
return False
elif operation == 'deleteMilestone':
if len(args) == 1:
milestone_key = args[0]
return DeleteMilestone(milestone_key)
else:
return False
result = 'unknown operation'
return result
return False
def Main(operation, args):
"""
This is the main entry point for the Smart Contract
:param operation: the operation to be performed ( eg `mintTokens`, `transfer`, etc)
:type operation: str
:param args: an optional list of arguments
:type args: list
:return: indicating the successful execution of the smart contract
:rtype: bool
"""
trigger = GetTrigger()
if trigger == Verification():
print("doing verification!")
owner_len = len(OWNER)
if owner_len == 20:
res = CheckWitness(OWNER)
print("owner verify result")
return res
# elif owner_len == 33:
# #res = verify_signature(operation, OWNER)
# Log("verify signature not understood by me yet")
elif trigger == Application():
print("doing application!")
if operation == 'deploy':
out = Deploy()
print("deployed!")
return out
elif operation == 'mintTokens':
domint = MintTokens()
print("minted token!")
return domint
elif operation == 'totalSupply':
supply = TotalSupply()
print("got total supply")
Notify(supply)
return supply
elif operation == 'name':
n = Name()
return n
elif operation == 'decimals':
d = Decimals()
return d
elif operation == 'symbol':
sym = Symbol()
return sym
elif operation == 'transfer':
print("do transfers")
if len(args) == 3:
t_from = args[0]
t_to = args[1]
t_amount = args[2]
return DoTransfer(t_from, t_to, t_amount)
else:
return False
elif operation == 'balanceOf':
if len(args) == 1:
print("do balance")
account = args[0]
balance = BalanceOf(account)
print("got balance")
Notify(balance)
return balance
else:
return 0
return False
def Main(operation, args):
"""
The entry point for the smart contract.
:param operation: str The operation to invoke.
:param args: list A list of arguments for the operation.
:return:
bytearray: The result of the operation.
"""
print("LootMarkets: Version 1.0: testnet deployment")
trigger = GetTrigger()
if trigger == Application():
# ======== Marketplace Operations =========
# For each marketplace operation, Notify the details of the
# operation so the API can catch and handle the events.
# Give items to an address on a marketplace.
if operation == "give_items":
marketplace = args[0]
address = args[1]
operation_result = give_items(args)
transaction_details = ["give_items", marketplace, address, operation_result]
Notify(transaction_details)
return operation_result
# Remove an item from an address on a marketplace.
if operation == "remove_item":
if len(args) == 3:
marketplace = args[0]
address = args[1]
item_id = args[2]
operation_result = remove_item(marketplace, address, item_id)
transaction_details = ["remove_item", marketplace, address, operation_result]
Notify(transaction_details)
return operation_result
# Transfer an item from an address to another address on a marketplace.
if operation == "transfer_item":
if len(args) == 4:
marketplace = args[0]
address_from = args[1]
address_to = args[2]
item_id = args[3]
operation_result = transfer_item(marketplace, address_from, address_to, item_id)
transaction_details = ["transfer_item", marketplace, address_from, address_to, item_id, operation_result]
Notify(transaction_details)
return operation_result
# Query the inventory of an address on a marketplace.
if operation == "get_inventory":
if len(args) == 2:
marketplace = args[0]
address = args[1]
inventory_s = get_inventory(marketplace, address)
inventory = deserialize_bytearray(inventory_s)
transaction_details = ["get_inventory", marketplace, address, inventory]
Notify(transaction_details)
return True
# Query the owner address of a marketplace.
if operation == "marketplace_owner":
if len(args) == 1:
marketplace = args[0]
owner = marketplace_owner(marketplace)
transaction_details = ["marketplace_owner", marketplace, owner]
Notify(transaction_details)
return True
# Put an offer on a marketplace.
if operation == "put_offer":
if len(args) == 4:
marketplace = args[0]
address = args[1]
item_id = args[2]
price = args[3]
operation_result = put_offer(marketplace, address, item_id, price)
transaction_details = ["put_offer", marketplace, address, operation_result]
Notify(transaction_details)
return operation_result
# Buy an offer on a marketplace.
if operation == "buy_offer":
if len(args) == 3:
marketplace = args[0]
address_to = args[1]
offer_id = args[2]
operation_result = buy_offer(marketplace, address_to, offer_id)
transaction_details = ["buy_offer", marketplace, address_to, operation_result]
Notify(transaction_details)
return operation_result
# Cancel an offer on a marketplace.
if operation == "cancel_offer":
if len(args) == 3:
marketplace = args[0]
address = args[1]
offer_id = args[2]
operation_result = cancel_offer(marketplace, address, offer_id)
transaction_details = ["cancel_offer", marketplace, address, operation_result]
Notify(transaction_details)
return operation_result
# Query the details of an offer on a marketplace.
if operation == "get_offer":
if len(args) == 2:
marketplace = args[0]
offer_id = args[1]
offer_s = get_offer(marketplace, offer_id)
offer = deserialize_bytearray(offer_s)
transaction_details = ["get_offer", marketplace, offer]
Notify(transaction_details)
return True
# Query all the offer ids on a marketplace.
if operation == "get_all_offers":
if len(args) == 1:
marketplace = args[0]
offers_s = get_all_offers(marketplace)
offers = deserialize_bytearray(offers_s)
transaction_details = ["get_all_offers", marketplace, offers]
Notify(transaction_details)
return True
"""
Ommited create item functionality due to not having a strong argument to store details of items on the
blockchain. Item details are best stored off chain by the registerer of the marketplace.
This code serves as an example.
# Create a new item.
if operation == "create_item":
if len(args) == 5:
marketplace = args[0]
item_id = args[1]
item_type = args[2]
item_rarity = args[3]
item_damage = args[4]
operation_result = create_item(marketplace, item_id, item_type, item_rarity, item_damage)
transaction_details = ["create_item", marketplace, item_id, operation_result]
Notify(transaction_details)
return operation_result
# Query the details of an item.
if operation == "get_item":
if len(args) == 2:
marketplace = args[0]
item_id = args[1]
item_s = get_item(item_id)
item = deserialize_bytearray(item_s)
transaction_details = ["get_item", marketplace, item]
Notify(transaction_details)
return True
"""
# ========= Administration, Crowdsale & NEP-5 Specific Operations ==========
# Commands only the owner can invoke.
if CheckWitness(contract_owner):
# Register a new marketplace on the blockchain.
if operation == "register_marketplace":
if len(args) == 2:
marketplace = args[0]
address = args[1]
return register_marketplace(marketplace, address)
# Register a list of addresses for KYC.
if operation == "kyc_register":
return kyc_register(args)
# Deploy LOOT.
if operation == "deploy_token":
return deploy_token()
# Transfer LOOT from an address, to another address.
if operation == "transfer":
if len(args) == 3:
address_from = args[0]
address_to = args[1]
amount = args[2]
return transfer_token(address_from, address_to, amount)
# Check the KYC status of an address.
if operation == "kyc_status":
if len(args) == 1:
address = args[0]
return kyc_status(address)
# Query the LOOT balance of an address.
if operation == "balance_of":
if len(args) == 1:
address = args[0]
balance = balance_of(address)
# Notify the API with the LOOT balance of the address.
transaction_details = ["balance_of", address, balance]
Notify(transaction_details)
return balance
# Mint tokens during the crowdsale period.
if operation == "mint_tokens":
return mint_tokens()
# Query the circulating supply of the token.
if operation == "get_circulation":
return get_circulation()
# Query the name of the token.
if operation == "get_name":
return name
# Query the symbol of the token.
if operation == "get_symbol":
return symbol
# Query how many decimals the token has.
if operation == "get_decimals":
return decimals
# Query the total supply of the token.
if operation == "get_total_supply":
return total_supply
# Verification portion of the contract to determine whether the transfer
# of system assets (NEO/Gas) involving this contracts address can proceed.
if trigger == Verification():
is_owner = CheckWitness(contract_owner)
# If is the owner, proceed.
if is_owner:
return True
return False
return False
def Main(operation, args):
"""
:param operation
:param args: optional arguments (up to 3 max)
:return: Object: Bool (success or failure) or Prediction
"""
Log("NEO-FUTURES - Oracle Judge Smart Contract")
trigger = GetTrigger()
arg_len = len(args)
if arg_len > 5:
# Only 5 args max
return False
if trigger == Verification():
Log("trigger: Verification")
is_owner = CheckWitness(Game_rules.owner)
if is_owner:
return True
elif trigger == Application():
Log("trigger: Application")
Log(operation)
# create_new_game {{client}} {{game_type}}
if operation == 'create_new_game':
if arg_len != 2:
Log("Wrong arg length")
return False
client_hash = args[0]
game_type = args[1]
if not CheckWitness(client_hash):
Log("Unauthorised hash")
return False
return CreateNewGame(client_hash, game_type)
# submit_prediction {{oracle}} {{game_type}} {{instance_ts}} {{prediction}} {{gas-submission}}
if operation == 'submit_prediction':
if arg_len != 5:
Log("Wrong arg length")
return False
oracle = args[0]
game_type = args[1]
instance_ts = args[2]
prediction = args[3]
gas_submission = args[4]
if not CheckWitness(oracle):
Log("Unauthorised hash")
return False
# Check instance_ts is correctly timestepped
if not CheckTimestamp(instance_ts):
Log("Not correct timestamp format")
return False
return client_hash.SubmitPrediction(oracle, game_type, instance_ts, prediction, gas_submission)
# judge_instance {{game_type}} {{instance_ts}}
if operation == 'judge_instance':
if arg_len != 2:
Log("Wrong arg length")
return False
game_type = args[0]
instance_ts = args[1]
if client_hash.isGameInstanceJudged(game_type, instance_ts):
Log("Already Judged")
return False
return client_hash.JudgeInstance(game_type, instance_ts)
# get_prediction {{game_type}} {{instance_ts}}
if operation == 'get_prediction':
if arg_len != 2:
Log("Wrong arg length")
return False
game_type = args[0]
instance_ts = args[1]
# Try judging to make sure judged
client_hash.JudgeInstance(game_type, instance_ts)
return client_hash.GetPrediction(game_type, instance_ts)
# get_available_balance_oracle {{oracle}}
if operation == 'get_available_balance_oracle':
if arg_len != 1:
Log("Wrong arg length")
return False
oracle = args[0]
return client_hash.GetOracleBalance(oracle)
# get_correct_oracles_for_instance {{game_type}} {{instance_ts}}
if operation == 'get_correct_oracles_for_instance':
if arg_len != 2:
Log("Wrong arg length")
return False
game_type = args[0]
instance_ts = args[1]
# Try judging to make sure judged
client_hash.JudgeInstance(game_type, instance_ts)
return client_hash.GetCorrectOracleCountForInstance(game_type, instance_ts)
# debug_get_value {{key}}
if operation == 'debug_get_value':
if arg_len != 1:
Log("Wrong arg length")
return False
key = args[0]
context = GetContext()
return Get(context, key)
else:
Log("unknown op")
return False
def Main(operation, args):
"""
:param operation: str The name of the operation to perform
:param args: list A list of arguments along with the operation
:return:
bytearray: The result of the operation
"""
markets = Markets()
trigger = GetTrigger()
if trigger == Verification():
# check if the invoker is the owner of this contract
is_owner = CheckWitness(OWNER)
# If owner, proceed
#print("owner verify result")
return is_owner
elif trigger == Application():
if operation == 'createCategoricalEvent':
if len(args) != 6:
#print('Incorrect Arg Length')
return False
ipfsHash = args[0]
spreadMultiplier = args[1]
challengePeriod = args[2]
challengeAmount = args[3]
frontRunnerPeriod = args[4]
endTime = args[5]
r = markets.createCategoricalEvent(ipfsHash, spreadMultiplier,
challengePeriod,
challengeAmount,
frontRunnerPeriod, endTime)
CreateCategoricalEvent(r)
#print("createCategoricalEvent done!")
return r
elif operation == 'betOnOutcome':
if len(args) != 5:
#print('Incorrect Arg Length')
return False
ipfsHash = args[0]
outcome = args[1]
amount = args[2]
owner = args[3]
contractAddress = args[4]
r = markets.betOnOutcome(ipfsHash, outcome, amount, owner,
contractAddress)
BetOnOutcome(r)
#print('betOnOutcome done!')
return r
elif operation == 'isFinalOutcomeSet':
if len(args) != 1:
#print('Incorrect Arg Length')
return False
ipfsHash = args[0]
r = markets.isFinalOutcomeSet(ipfsHash)
IsFinalOutcomeSet(r)
#print('isFinalOutcomeSet done!')
return r
elif operation == 'getFinalOutcome':
if len(args) != 1:
#print('Incorrect Arg Length')
return False
ipfsHash = args[0]
r = markets.getFinalOutcome(ipfsHash)
GetFinalOutcome(r)
#print('getFinalOutcome done!')
return r
elif operation == 'redeemWinnings':
if len(args) != 2:
#print('Incorrect Arg Length')
return False
ipfsHash = args[0]
owner = args[1]
r = markets.redeemWinnings(ipfsHash, owner)
RedeemWinnings(r)
#print('redeemWinnings done!')
return r
return False
return False
def Main(args):
print("RUNNING WITHDRAW TEST!!!!")
trigger = GetTrigger()
if trigger == Verification():
print("doing verification")
# check to see if the withdrawer is the owner
is_owner = CheckWitness(OWNER)
# always allow owner to withdraw
if is_owner:
return True
else:
# if it is not the owner, we need to verify a few things
can_widthraw = CanWithdrawNeo()
print("can withdraw neo?")
Notify(can_widthraw)
return can_widthraw
elif trigger == Application():
print("doing application")
# no matter what happens, we need to reconcile balances
# so if, for example, someone has sucessfully made a withdrawl
# the verification portion of this contract checked it all out
# but the application part of the contract needs to sync the balance
# we don't really care what operation is called
# no matter what we will try to reconcile
did_withdraw = ReconcileBalances()
operation = args[0]
if operation == 'deposit':
if not did_withdraw:
deposit = DepositNeo()
return deposit
else:
print("cannot withdraw and deposit at the same time")
return False
elif operation == 'balanceOf':
if len(args) != 2:
return False
account = args[1]
getbalance = BalanceOf(account)
return getbalance
return False
def Main(operation, args):
"""
This is the main entry point for the dApp
:param operation: the operation to be performed
:type operation: str
:param args: an optional list of arguments
:type args: list
:return: indicating the successful execution of the dApp
:rtype: string
"""
trigger = GetTrigger()
if trigger == Verification():
is_owner = CheckWitness(BCSCHAIN)
if is_owner:
return True
return False
elif trigger == Application():
# Check the version for compatability
if operation == 'ownArea':
if (len(args) == 3):
addr = args[0]
lat = args[1]
lon = args[2]
width = args[3]
length = args[4]
height = args[5]
Log('Owning_Area')
res = own_area(addr,lat,lon,width,length,height)
return res
else:
Log('INVALID_ARGUMENTS')
return False
elif operation == 'regisProduct':
if (len(args) == 3):
seller_addr = args[0]
product_hash = args[1]
Log('Registering_Product')
res = create_product(seller_addr,product_hash)
return res
else:
Log('INVALID_ARGUMENTS')
return False
elif operation == 'activateProduct':
if (len(args) == 2):
seller_addr = args[0]
product_hash = args[1]
Log('Activating_Product')
res = activate_product(seller_addr ,product_hash)
return res
else:
Log('INVALID_ARGUMENTS')
return False
elif operation == 'setPrice':
if (len(args) == 3):
seller_addr = args[0]
product_hash = args[1]
price = args[2]
Log('Setting_Price')
res = set_price(seller_addr,product_hash,price)
return res
else:
Log('INVALID_ARGUMENTS')
return False
elif operation == 'buyProduct':
if (len(args) == 2):
buyer_addr = args[0]
product_hash = args[1]
Log('Buying_Product')
res = buy_product(buyer_addr,product_hash)
return res
else:
Log('INVALID_ARGUMENTS')
return False
elif operation == 'deactivateProduct':
if (len(args) == 2):
seller_addr = args[0]
product_hash = args[1]
Log('Deactivating_Product')
res = deactivate_product(seller_addr,product_hash)
return res
else:
Log('INVALID_ARGUMENTS')
return False
Log('INVALID_FUNCTION')
return False
Log('FORBIDDEN')
return False
def Main(operation, args):
"""
:param operation
:param args: optional arguments (up to 3 max)
:return: Object: Bool (success or failure) or Prediction
"""
Log("ORACLE JUDGE")
trigger = GetTrigger()
arg_len = len(args)
if arg_len > 5:
# Only 5 args max
return False
if trigger == Verification():
Log("trigger: Verification")
is_owner = CheckWitness(owner)
if is_owner:
return True
elif trigger == Application():
Log("trigger: Application")
Log(operation)
# create_new_game {{client}} {{game_type}}
if operation == 'create_new_game':
if arg_len != 2:
Log("Wrong arg length")
return False
client_hash = args[0]
game_type = args[1]
if not CheckWitness(client_hash):
Log("Unauthorised hash")
return False
return CreateNewGame(client_hash, game_type)
# create_new_game_instance {{client}} {{game_type}} {{instance_ts}}
if operation == 'create_new_game_instance':
if arg_len != 3:
Log("Wrong arg length")
return False
client_hash = args[0]
game_type = args[1]
instance_ts = args[2]
if not CheckWitness(client_hash):
Log("Unauthorised hash")
return False
return CreateNewGameInstance(client_hash, game_type, instance_ts)
# submit_prediction {{oracle}} {{game_type}} {{instance_ts}} {{prediction}} (--attach-gas=5)
if operation == 'submit_prediction':
if arg_len != 4:
Log("Wrong arg length")
return False
oracle = args[0]
game_type = args[1]
instance_ts = args[2]
prediction = args[3]
if not CheckWitness(oracle):
Log("Unauthorised hash")
return False
return SubmitPrediction(oracle, game_type, instance_ts, prediction)
# judge_instance {{game_type}} {{instance_ts}}
if operation == 'judge_instance':
if arg_len != 2:
Log("Wrong arg length")
return False
game_type = args[0]
instance_ts = args[1]
if isGameInstanceJudged(game_type, instance_ts):
Log("Already Judged")
return False
return JudgeInstance(game_type, instance_ts)
# get_prediction_for_instance {{game_type}} {{instance_ts}}
if operation == 'get_prediction_for_instance':
if arg_len != 2:
Log("Wrong arg length")
return False
game_type = args[0]
instance_ts = args[1]
if not isGameInstanceJudged(game_type, instance_ts):
JudgeInstance(game_type, instance_ts)
return GetPrediction(game_type, instance_ts)
# get_available_balance_oracle {{oracle}}
if operation == 'get_available_balance_oracle':
if arg_len != 1:
Log("Wrong arg length")
return False
oracle = args[0]
return GetOracleBalance(oracle)
# get_correct_oracles_for_instance {{game_type}} {{instance_ts}}
if operation == 'get_correct_oracles_for_instance':
if arg_len != 2:
Log("Wrong arg length")
return False
game_type = args[0]
instance_ts = args[1]
if not isGameInstanceJudged(game_type, instance_ts):
Log("Game not yet Judged")
return False
return GetCorrectOracleCountForInstance(game_type, instance_ts)
# debug_get_value {{key}}
if operation == 'debug_get_value':
if arg_len != 1:
Log("Wrong arg length")
return False
key = args[0]
return Get(GetContext(), key)
else:
Log("unknown op")
return False
def Main(operation, args, sender=None):
trigger = GetTrigger()
if trigger == Application():
context = GetContext()
"""
Standard Operations
No Permissions Required
"""
event = Event()
if operation == 'validateActiveEvent':
return event.ValidateActiveEvent(args)
elif operation == 'checkEventOutcome':
return event.CheckEventOutcome(args)
"""
Oracle Operations
Requires Oracle Permissions
"""
oracle = Oracle()
if operation == "addEvent":
return oracle.AddEvent(args, sender)
elif operation == "updateEventOutcome":
return oracle.UpdateEventOutcome(args, sender)
elif operation == "deleteSelf":
return True
"""
Admin Operations
Requires Owner Permissions
"""
admin = Admin()
if operation == 'addOracle':
return admin.AddOracle(args)
elif operation == 'removeOracle':
return admin.RemoveOracle(args)
elif operation == 'killAdmin':
return True
elif operation == 'initContract':
return admin.InitialiseContract()
elif trigger == Verification():
admin = Admin()
return admin.ValidateOwner()
return False
def Main(operation, args):
# The trigger determines whether this smart contract is being
# run in 'verification' mode or 'application'
trigger = GetTrigger()
# 'Verification' mode is used when trying to spend assets ( eg NEO, Gas)
# on behalf of this contract's address
if trigger == Verification():
storage = StorageAPI()
attachments = get_asset_attachments()
approval_storage_location = 'claim:approval:' + attachments.sender_addr
approval = storage.get(approval_storage_location)
if approval == GetValue():
storage.delete(approval_storage_location)
return True
return False
# 'Application' mode is the main body of the smart contract
elif trigger == Application():
if operation == 'setBounty':
if len(args) == 1:
issue_url = args[0]
result = SetBounty(issue_url)
return result
else:
return False
elif operation == 'revokeBounty':
if len(args) == 1:
issue_url = args[0]
result = RevokeBounty(issue_url)
return result
else:
return False
elif operation == 'claimBounty':
if len(args) == 1:
issue_url = args[0]
result = ClaimBounty(issue_url)
return result
else:
return False
elif operation == 'approveClaim':
if len(args) == 2:
issue_url = args[0]
claimee_address = args[1]
result = ApproveClaim(issue_url, claimee_address)
return result
else:
return False
result = 'unknown operation'
return result
return False
def Main(operation, args):
"""
This is the main entry point for the Smart Contract
:param operation: the operation to be performed ( eg `balanceOf`, `transfer`, etc)
:type operation: str
:param args: an optional list of arguments
:type args: list
:return: indicating the successful execution of the smart contract
:rtype: bool
"""
# The trigger determines whether this smart contract is being
# run in 'verification' mode or 'application'
trigger = GetTrigger()
# 'Verification' mode is used when trying to spend assets ( eg NEO, Gas)
# on behalf of this contract's address
if trigger == Verification():
# if the script that sent this is the owner
# we allow the spend
is_owner = CheckWitness(OWNER)
if is_owner:
return True
return False
# 'Application' mode is the main body of the smart contract
elif trigger == Application():
if operation == 'name':
n = TOKEN_NAME
return n
elif operation == 'decimals':
d = DECIMALS
return d
elif operation == 'symbol':
sym = SYMBOL
return sym
elif operation == 'totalSupply':
supply = TOTAL_SUPPLY
return supply
elif operation == 'balanceOf':
if len(args) == 1:
account = args[0]
balance = BalanceOf(account)
return balance
return 0
elif operation == 'transfer':
if len(args) == 3:
t_from = args[0]
t_to = args[1]
t_amount = args[2]
transfer = DoTransfer(t_from, t_to, t_amount)
return transfer
else:
return False
elif operation == 'transferFrom':
if len(args) == 3:
t_from = args[0]
t_to = args[1]
t_amount = args[2]
transfer = DoTransferFrom(t_from, t_to, t_amount)
return transfer
return False
elif operation == 'approve':
if len(args) == 3:
t_owner = args[0]
t_spender = args[1]
t_amount = args[2]
approve = DoApprove(t_owner, t_spender, t_amount)
return approve
return False
elif operation == 'allowance':
if len(args) == 2:
t_owner = args[0]
t_spender = args[1]
amount = GetAllowance(t_owner, t_spender)
return amount
return False
# The following method is not a part of the NEP5 Standard
# But is used to 'mint' the original tokens
elif operation == 'deploy':
result = Deploy()
return result
result = 'unknown operation'
return result
return False
def Main(operation, args):
""" Main entrypoint for the smart contract.
:param operation: the operation to be performed
:param args: a list of arguments (which may be empty, but not absent)
:type operation: str
:type args: list
:return: a boolean, a string or a byte array indicating the result of the execution of the SC
:rtype: bool, string or bytearray
"""
arg_length_error = 'Incorrect number of arguments'
# Uses the trigger to dertermine whether this smart contract is being run in 'verification' mode
# or 'application' mode.
trigger = GetTrigger()
# The 'Verification' mode is used when trying to spend assets (eg. NEO, Gas) on behalf of this
# contract's address.
if trigger == Verification():
# Checks whether the script that sent this is the owner. If so we can allow the operation.
is_owner = CheckWitness(OWNER)
if is_owner:
return True
return False
elif trigger == Application():
if operation == 'deploy':
result = deploy()
return result
elif operation == 'addURL':
if len(args) == 1:
url = args[0]
result = add_url(url)
return result
return arg_length_error
elif operation == 'getShortenerURL':
url = get_shortener_url()
return url
elif operation == 'getURL':
if len(args) == 1:
code = args[0]
result = get_url(code)
return result
return arg_length_error
elif operation == 'getURLInfo':
if len(args) == 1:
code = args[0]
result = get_url_info(code)
return result
return arg_length_error
elif operation == 'setShortenerURL':
if len(args) == 1:
url = args[0]
result = set_shortener_url(url)
return result
return arg_length_error
result = 'unknown operation'
return result
return False
def Main(operation, args):
trigger = GetTrigger()
if trigger == Verification():
is_owner = CheckWitness(OWNER)
if is_owner:
return True
return False
elif trigger == Application():
# Check the version for compatability
if operation == 'initial':
res = False
if (len(args) == 0):
print('checking if its the owner')
isowner = CheckWitness(OWNER)
if isowner:
print('it is the owner')
context = GetContext()
owner_value = Get(context, OWNER)
if (owner_value == 0):
Put(context, 'name', dApp_name)
Put(context, OWNER, 1000)
res = True
else:
print('You are Already Initialize')
else:
Log('INVALID_ARGUMENTS')
return res
elif operation == 'regis':
res = False
if (len(args) == 1):
addr = args[0]
Log('Registration')
context = GetContext()
addr_regis = Get(context, addr)
if (addr_regis == 0):
Put(context, addr, 100)
res = True
else:
print('You are Already Register')
else:
Log('INVALID_ARGUMENTS')
return False
return res
elif operation == 'value':
res = 0
if (len(args) == 1):
addr = args[0]
isowner = CheckWitness(addr)
if isowner:
context = GetContext()
value = Get(context, addr)
if not (value == 0):
res = value
else:
print('You are not Registration')
return res
else:
Log('INVALID_ARGUMENTS')
return False
return False
elif operation == 'add':
if (len(args) == 2):
addr = args[0]
value_added = args[1]
isowner = CheckWitness(OWNER)
if isowner:
context = GetContext()
value = Get(context, addr)
if not (value == 0):
data = value_added + value
Put(context, addr, data)
print('value added')
return True
else:
print('The Addresss no Register yet')
else:
print('You are not Owner')
return False
else:
Log('INVALID_ARGUMENTS')
return False
return False
Log('INVALID_FUNCTION')
return False
Log('FORBIDDEN')
return False
def Main(operation, args):
"""
:param operation: str The name of the operation to perform
:param args: list A list of arguments along with the operation
:return:
bytearray: The result of the operation
"""
trigger = GetTrigger()
# This is used in the Verification portion of the contract
# To determine whether a transfer of system assets ( NEO/Gas) involving
# This contract's address can proceed
if trigger == Verification():
# check if the invoker is the owner of this contract
is_owner = CheckWitness(TOKEN_OWNER)
# If owner, proceed
if is_owner:
return True
# Otherwise, we need to lookup the assets and determine
# If attachments of assets is ok
attachments = get_asset_attachments()
return can_exchange(ctx, attachments, True)
elif trigger == Application():
for op in NEP5_METHODS:
if operation == op:
return handle_nep51(ctx, operation, args)
if operation == 'deploy':
return deploy()
elif operation == 'circulation':
return get_circulation(ctx)
# the following are handled by crowdsale
elif operation == 'mintTokens':
return perform_exchange(ctx)
elif operation == 'crowdsale_register':
return kyc_register(ctx, args)
elif operation == 'crowdsale_status':
return kyc_status(ctx, args)
elif operation == 'crowdsale_available':
return crowdsale_available_amount(ctx)
elif operation == 'get_attachments':
return get_asset_attachments()
return 'unknown operation'
return False