/// <summary>
/// allow an administrator to request the unlocking of founder tokens
/// </summary>
/// <param name="address">founders script hash</param>
/// <param name="roundNumber">1-7</param>
/// <returns></returns>
public static bool UnlockFoundersTokens(byte[] address, int roundNumber)
{
if (address.Length != 20)
{
Runtime.Log("UnlockFoundersTokens() invalid address supplied");
return(false);
}
byte[] roundKey = address.Concat(((BigInteger)roundNumber).AsByteArray());
StorageMap unlockedRounds = Storage.CurrentContext.CreateMap(StorageKeys.FounderTokenUnlockRound());
bool roundPreviouslyUnlocked = unlockedRounds.Get(roundKey).AsBigInteger() > 0;
if (roundPreviouslyUnlocked)
{
Runtime.Log("UnlockFoundersTokens() round already unlocked");
return(false);
}
object[] foundersVestingPeriod = GetCoreTeamVestingSchedule();
uint currentTimestamp = Helpers.GetBlockTimestamp();
int roundIndex = (roundNumber * 2) - 2;
int roundValueIndex = roundIndex + 1;
if (roundIndex < 0)
{
Runtime.Log("UnlockFoundersTokens() invalid round index (<0)");
return(false);
}
uint roundReleaseDate = (uint)foundersVestingPeriod[roundIndex];
BigInteger roundReleaseAmount = (BigInteger)foundersVestingPeriod[roundValueIndex];
if (currentTimestamp < roundReleaseDate)
{
Runtime.Log("UnlockFoundersTokens() not scheduled for release");
return(false);
}
object[] founderKeys = ICOTemplate.MoonlightFounderKeys();
for (int i = 0; i < founderKeys.Length; i++)
{
byte[] founderKey = (byte[])founderKeys[i];
if (founderKey == address)
{
Runtime.Notify("UnlockFoundersTokens() releasing funds. currentTimestamp / roundReleaseDate / roundReleaseAmount", currentTimestamp, roundReleaseDate, roundReleaseAmount);
Helpers.SetBalanceOf(founderKey, NEP5.BalanceOf(founderKey) + roundReleaseAmount); // set new balance for destination account
unlockedRounds.Put(roundKey, "1");
return(true);
}
}
return(false);
}
/// <summary>
/// the core teams token allocation follow a linear quarterly maturation over 18 months beginning after 6 months
/// </summary>
/// <returns></returns>
public static object[] GetCoreTeamVestingSchedule()
{
// calculate the allocation given to each team member
object[] founderKeys = ICOTemplate.MoonlightFounderKeys();
BigInteger founderTokenAllocation = ((ICOTemplate.TokenMaxSupply * (BigInteger)ICOTemplate.MoonlightFoundersAllocationPercentage()) / 100) * NEP5.factor;
BigInteger individualAllocation = founderTokenAllocation / founderKeys.Length;
uint ContractInitTime = Helpers.GetContractInitTime();
// determine vesting schedule details for core teams token allocation
// there will be 7 releases, one each quarter ending 2 years from contract init
int numberOfTokenReleases = 7;
BigInteger tokensPerRelease = individualAllocation / numberOfTokenReleases;
object[] vestingPeriod = new object[14];
object[] founderReleaseSchedule = ICOTemplate.MoonlightFoundersAllocationReleaseSchedule();
uint initialReleaseDate = ContractInitTime + (uint)founderReleaseSchedule[0];
uint releaseFrequency = (uint)founderReleaseSchedule[1];
BigInteger tokensReleased = tokensPerRelease;
// this is not the nicest way to populate the vesting schedule array, but it is much cheaper (in terms of processing/gas price) than looping
vestingPeriod[0] = initialReleaseDate;
vestingPeriod[1] = tokensPerRelease;
// 3 months later release another batch of tokens
tokensReleased += tokensPerRelease;
vestingPeriod[2] = initialReleaseDate + (releaseFrequency * 1);
vestingPeriod[3] = tokensPerRelease;
// 3 months later release another batch of tokens
tokensReleased += tokensPerRelease;
vestingPeriod[4] = initialReleaseDate + (releaseFrequency * 2);
vestingPeriod[5] = tokensPerRelease;
// 3 months later release another batch of tokens
tokensReleased += tokensPerRelease;
vestingPeriod[6] = initialReleaseDate + (releaseFrequency * 3);
vestingPeriod[7] = tokensPerRelease;
// 3 months later release another batch of tokens
tokensReleased += tokensPerRelease;
vestingPeriod[8] = initialReleaseDate + (releaseFrequency * 4);
vestingPeriod[9] = tokensPerRelease;
// 3 months later release another batch of tokens
tokensReleased += tokensPerRelease;
vestingPeriod[10] = initialReleaseDate + (releaseFrequency * 5);
vestingPeriod[11] = tokensPerRelease;
// 3 months later release the last of the tokens
vestingPeriod[12] = initialReleaseDate + (releaseFrequency * 6);
vestingPeriod[13] = individualAllocation - tokensReleased;
/*
* Runtime.Notify("VestingSchedule", Helpers.SerializeArray(vestingPeriod));
* a serialised copy of this array ends up with values such as (dates subject to change):
* 0e
* 04 292cf05b 5bf02c29 1542466601 Saturday, November 17, 2018 2:56:41 PM
* 07 6ddb810adb0301 0103db0a81db6d 285714285714285
* 04 0979685c 5c687909 1550350601 Saturday, February 16, 2019 8:56:41 PM
* 07 dab60315b60702 0207b61503b6da 571428571428570
* 04 e9c5e05c 5ce0c5e9 1558234601 Sunday, May 19, 2019 2:56:41 AM
* 07 4792851f910b03 030b911f859247 857142857142855
* 04 c912595d 5d5912c9 1566118601 Sunday, August 18, 2019 8:56:41 AM
* 07 b46d072a6c0f04 040f6c2a076db4 1142857142857140
* 04 a95fd15d 5dd15fa9 1574002601 Sunday, November 17, 2019 2:56:41 PM
* 07 21498934471305 05134734894921 1428571428571425
* 04 89ac495e 5e49ac89 1581886601 Sunday, February 16, 2020 8:56:41 PM
* 07 8e240b3f221706 0617223f0b248e 1714285714285710
* 04 69f9c15e 5ec1f969 1589770601 Monday, May 18, 2020 2:56:41 AM
* 07 00008d49fd1a07 071afd498d0000 2000000000000000
*/
return(vestingPeriod);
}