Ejemplo n.º 1
0
        /// <summary>
        /// allow allocation of presale purchases by contract administrator. this allows the moonlight team to allocate the 25% of LX tokens sold in the private presale.
        /// as we accepted ETH in addition to NEO&GAS, using a mintTokens method here is not practical.
        /// 1. this method will not allow the presale allocation to exceed the defined amount
        /// 2. this method is permanently disabled once the method `LockPresaleAllocation` has been called.
        /// 3. the state of the `LockPresaleAllocation` can be determined by the public using the method `IsPresaleAllocationLocked` (returns timestamp that lock was put in place)
        /// </summary>
        /// <param name="address"></param>
        /// <param name="amountPurchased"></param>
        /// <returns></returns>
        public static bool AllocatePresalePurchase(byte[] address, BigInteger amountPurchased)
        {
            bool presaleLocked = Storage.Get(Storage.CurrentContext, StorageKeys.PresaleAllocationLocked()).AsBigInteger() > 0;

            if (presaleLocked)
            {
                Runtime.Notify("AllocatePresalePurchase() presaleLocked, can't allocate");
                return(false);
            }

            BigInteger presaleAllocationMaxValue = ((ICOContract.TokenMaxSupply * (BigInteger)ICOContract.PresaleAllocationPercentage()) / 100) * NEP5.factor;
            BigInteger presaleAllocatedValue     = Storage.Get(Storage.CurrentContext, StorageKeys.PresaleAllocatedValue()).AsBigInteger();

            if ((presaleAllocatedValue + amountPurchased) > presaleAllocationMaxValue)
            {
                // this purchase will exceed the presale cap.. dont allow
                Runtime.Notify("AllocatePresalePurchase() purchase will exceed presale max allocation");
                return(false);
            }

            TokenSale.SetVestingPeriodForAddress(address, amountPurchased);
            Storage.Put(Storage.CurrentContext, StorageKeys.PresaleAllocatedValue(), presaleAllocatedValue + amountPurchased);
            Runtime.Notify("AllocatePresalePurchase() tokens allocated", address, amountPurchased);

            return(true);
        }
        /// <summary>
        /// allow allocation of presale purchases by contract administrator. this allows the nOS team to allocate the nOS tokens from the private sale, company reserve, and locked incentive reserve.
        /// This method will not allow the private allocations to exceed the defined amount
        /// the state of the `LockPrivateSaleAllocation` can be determined by the public using the method `IsPrivateSaleAllocationLocked` (returns timestamp that lock was put in place)
        /// </summary>
        /// <param name="address"></param>
        /// <param name="amountPurchased"></param>
        /// <returns></returns>
        public static bool AllocatePrivateSalePurchase(byte[] address, string allocationType, BigInteger amountPurchased)
        {
            amountPurchased = amountPurchased * NEP5.factor;

            bool privateSaleLocked = Storage.Get(Storage.CurrentContext, StorageKeys.PrivateSaleAllocationLocked()).AsBigInteger() > 0;

            if (privateSaleLocked)
            {
                Runtime.Notify("AllocatePrivateSalePurchase() privateSaleLocked, can't allocate");
                return(false);
            }

            if (allocationType != "incentive" && allocationType != "privateSale" && allocationType != "company")
            {
                return(false);
            }

            BigInteger presaleAllocationMaxValue = ICOTemplate.LockedTokenAllocationAmount() * NEP5.factor;
            BigInteger presaleAllocatedValue     = Storage.Get(Storage.CurrentContext, StorageKeys.PresaleAllocatedValue()).AsBigInteger();

            if ((presaleAllocatedValue + amountPurchased) > presaleAllocationMaxValue)
            {
                // this purchase will exceed the presale cap.. dont allow
                Runtime.Notify("AllocatePrivateSalePurchase() purchase will exceed max allocation");
                return(false);
            }

            if (!TokenSale.SetVestingPeriodForAddress(address, allocationType, amountPurchased))
            {
                Runtime.Notify("SetVestingPeriodForAddress() failed.");
                return(false);
            }

            Storage.Put(Storage.CurrentContext, StorageKeys.PresaleAllocatedValue(), presaleAllocatedValue + amountPurchased);
            transfer(null, address, amountPurchased);

            Runtime.Notify("AllocatePrivateSalePurchase() tokens allocated", address, amountPurchased, allocationType);

            return(true);
        }