/// <summary>
/// helper method to retrieve the stored group unlock block height
/// </summary>
/// <param name="groupNumber"></param>
/// <returns></returns>
public static uint GetGroupUnlockTime(BigInteger groupNumber)
{
BigInteger unlockTime = 0;
if (groupNumber <= 0 || groupNumber > 4)
{
return(0);
}
else if (groupNumber > 0 && groupNumber <= 4)
{
unlockTime = (uint)ICOTemplate.PresaleStartTime();
}
return((uint)unlockTime);
}
/// <summary>
/// get the maximum number of NOS that can be purchased by groupNumber during the public sale
/// </summary>
/// <param name="groupNumber"></param>
/// <returns></returns>
public static BigInteger GetGroupMaxContribution(BigInteger groupNumber)
{
BigInteger maxContribution = 0;
uint latestTimeStamp = Helpers.GetBlockTimestamp();
uint publicSaleMaxContribution = (uint)ICOTemplate.MaximumContributionAmount();
uint publicSaleEndTime = (uint)ICOTemplate.PublicSaleEndTime();
//If latest block timestamp is larger than presale start and smaller than presale end: check presale tier contributions.
if (latestTimeStamp >= (uint)ICOTemplate.PresaleStartTime() && latestTimeStamp <= (uint)ICOTemplate.PresaleEndTime())
{
//Presale has not ended. Only presale can participate.
if (groupNumber == 1)
{
//Pre-sale tier 1.
maxContribution = (uint)ICOTemplate.PresaleTierOne();
}
else if (groupNumber == 2)
{
//Pre-sale tier 2.
maxContribution = (uint)ICOTemplate.PresaleTierTwo();
}
else if (groupNumber == 3)
{
//Pre-sale tier 3.
maxContribution = (uint)ICOTemplate.PresaleTierThree();
}
else if (groupNumber == 4)
{
//Tier 4
maxContribution = (uint)ICOTemplate.PresaleTierFour();
}
}
//Otherwise we're in the public sale; get the publicSaleMaxContribution
//publicSaleMaxContribution returns the max contribution based on the presale phase using Helpers.GetPublicSaleMaxContribution()
else if (groupNumber > 0 && groupNumber <= 4 && latestTimeStamp >= (uint)ICOTemplate.PublicSaleStartTime() && latestTimeStamp <= publicSaleEndTime)
{
maxContribution = publicSaleMaxContribution;
}
return(maxContribution);
}