/// <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);
}
/// <summary>
/// initialise the smart contract for use
/// </summary>
/// <returns></returns>
public static bool InitSmartContract()
{
if (Helpers.ContractInitialised())
{
// contract can only be initialised once
Runtime.Log("InitSmartContract() contract already initialised");
return(false);
}
uint ContractInitTime = Helpers.GetBlockTimestamp();
Storage.Put(Storage.CurrentContext, StorageKeys.ContractInitTime(), ContractInitTime);
// assign pre-allocated tokens to the NosProjectKey() (10,000,000 tokens)
BigInteger immediateProjectAllocationValue = ICOTemplate.ImmediateCompanyReserve() * NEP5.factor;
Helpers.SetBalanceOf(ICOTemplate.NosProjectKey, immediateProjectAllocationValue);
transfer(null, ICOTemplate.NosProjectKey, immediateProjectAllocationValue);
// token allocated to private sale & vested reserves & incentives
BigInteger presaleAllocationMaxValue = ICOTemplate.LockedTokenAllocationAmount() * NEP5.factor;
// update the total supply to reflect the project allocated tokens
BigInteger totalSupply = immediateProjectAllocationValue + presaleAllocationMaxValue;
Helpers.SetTotalSupply(totalSupply);
UpdateAdminAddress(ICOTemplate.InitialAdminAccount);
EnableTransferFromWhitelisting(ICOTemplate.WhitelistTransferFromListings());
Runtime.Log("InitSmartContract() contract initialisation complete");
return(true);
}