public static object HandleHelperOperation(string operation, params object[] args)
{
switch (operation)
{
case "BalanceOfVestedAddress":
// retrieve the real balance of an address that has been subjected to whitepaper defined vesting period
if (!Helpers.RequireArgumentLength(args, 1))
{
return(false);
}
return(Helpers.BalanceOfVestedAddress((byte[])args[0]));
case "IsPrivateSaleAllocationLocked":
// if the admin method `Administration.AllocatePresalePurchase` is permanently disabled, this method will return
// the timestamp the lock was put in place.
return(Storage.Get(Storage.CurrentContext, StorageKeys.PrivateSaleAllocationLocked()));
case "supportedStandards":
// support NEP-10 by responding to supportedStandards
// https://github.com/neo-project/proposals/blob/master/nep-10.mediawiki
return(ICOTemplate.SupportedStandards());
case "BalanceOfSaleContribution":
if (!Helpers.RequireArgumentLength(args, 1))
{
return(false);
}
return(Helpers.BalanceOfSaleContribution((byte[])args[0]));
}
return(false);
}
/// <summary>
/// Claims unsold tokens
/// </summary>
/// <returns></returns>
public static bool ClaimUnsoldTokens()
{
bool UnsoldTokensClaimed = Storage.Get(Storage.CurrentContext, StorageKeys.UnsoldTokensClaimed()).AsString() == "1";
//This method can only be executed by the admin account, after the public sale, and can only be called once (use UnsoldTokensClaimed() storage item)
if (Helpers.GetBlockTimestamp() >= ICOTemplate.PublicSaleEndTime() && UnsoldTokensClaimed == false && Helpers.VerifyIsAdminAccount())
{
byte[] address = ICOTemplate.AdditionalCompanyTokenFund;
//Get amount remaining
BigInteger amountRemaining = NEP5.CrowdsaleAvailableAmount();
//Add vested amount to account
TokenSale.SetVestingPeriodForAddress(address, "company", amountRemaining);
//Set total supply
Helpers.SetTotalSupply(amountRemaining);
//Set the UnsoldTokensClaimed() storage item so ClaimUnsoldTokens() cannot be called again
Storage.Put(Storage.CurrentContext, StorageKeys.UnsoldTokensClaimed(), "1");
transfer(null, address, amountRemaining);
Runtime.Notify("ClaimUnsoldTokens() tokens allocated", address, amountRemaining);
return(true);
}
return(false);
}
/// <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>
/// determine if TransferFrom whitelisting is enabled for this contract or not
/// </summary>
/// <returns></returns>
public static bool IsTransferFromWhitelistingEnabled()
{
bool isEnabled = Storage.Get(Storage.CurrentContext, StorageKeys.WhiteListTransferFromSettingChecked()).AsString() == "1";
Runtime.Notify("IsTransferFromWhitelistingEnabled isEnabled", isEnabled);
return(isEnabled);
}
/// <summary>
/// a new token is minted, set the total supply value
/// </summary>
/// <param name="newlyMintedTokens">the number of tokens to add to the total supply</param>
public static void SetTotalSupply(BigInteger newlyMintedTokens)
{
BigInteger currentTotalSupply = NEP5.TotalSupply();
Runtime.Notify("SetTotalSupply() setting new totalSupply", newlyMintedTokens + currentTotalSupply);
Storage.Put(Storage.CurrentContext, StorageKeys.TokenTotalSupply(), currentTotalSupply + newlyMintedTokens);
}
/// <summary>
/// mint tokens is called when a user wishes to purchase tokens
/// </summary>
/// <returns></returns>
public static bool MintTokens()
{
object[] transactionData = Helpers.GetTransactionAndSaleData();
Transaction tx = (Transaction)transactionData[0];
byte[] sender = (byte[])transactionData[1];
byte[] receiver = (byte[])transactionData[2];
ulong receivedNEO = (ulong)transactionData[3];
ulong receivedGAS = (ulong)transactionData[4];
BigInteger whiteListGroupNumber = (BigInteger)transactionData[5];
BigInteger crowdsaleAvailableAmount = (BigInteger)transactionData[6];
BigInteger groupMaximumContribution = (BigInteger)transactionData[7];
BigInteger totalTokensPurchased = (BigInteger)transactionData[8];
BigInteger neoRemainingAfterPurchase = (BigInteger)transactionData[9];
BigInteger gasRemainingAfterPurchase = (BigInteger)transactionData[10];
BigInteger totalContributionBalance = (BigInteger)transactionData[11];
if (Helpers.GetBlockTimestamp() >= ICOTemplate.PublicSaleEndTime())
{
Runtime.Notify("MintTokens() failed. Token Sale is closed.", false);
return(false);
}
if (!CanUserParticipateInSale(transactionData))
{
Runtime.Notify("MintTokens() CanUserParticipate failed", false);
return(false);
}
byte[] lastTransactionHash = Storage.Get(Storage.CurrentContext, StorageKeys.MintTokensLastTX());
if (lastTransactionHash == tx.Hash)
{
// ensure that minTokens doesnt process the same transaction more than once
Runtime.Notify("MintTokens() not processing duplicate tx.Hash", tx.Hash);
return(false);
}
Storage.Put(Storage.CurrentContext, StorageKeys.MintTokensLastTX(), tx.Hash);
Runtime.Notify("MintTokens() receivedNEO / receivedGAS", receivedNEO, receivedGAS);
if (neoRemainingAfterPurchase > 0 || gasRemainingAfterPurchase > 0)
{
// this purchase would have exceed the allowed max supply so we spent what we could and will refund the remainder
refund(sender, neoRemainingAfterPurchase, gasRemainingAfterPurchase);
}
BigInteger senderAmountSubjectToVesting = SubjectToVestingPeriod(sender);
BigInteger newTokenBalance = NEP5.BalanceOf(sender) + totalTokensPurchased + senderAmountSubjectToVesting;
Helpers.SetBalanceOf(sender, newTokenBalance);
Helpers.SetBalanceOfSaleContribution(sender, totalContributionBalance);
Helpers.SetTotalSupply(totalTokensPurchased);
transfer(null, sender, totalTokensPurchased);
return(true);
}
/// <summary>
/// allow the contract administrator to update the admin address
/// </summary>
/// <param name="newAdminAddress"></param>
/// <returns></returns>
public static bool UpdateAdminAddress(byte[] newAdminAddress)
{
if (newAdminAddress.Length != 20)
{
return(false);
}
Storage.Put(Storage.CurrentContext, StorageKeys.ContractAdmin(), newAdminAddress);
return(true);
}
/// <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 = ICOContract.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>
/// retrieve the group number the whitelisted address is in
/// </summary>
/// <param name="address"></param>
/// <returns></returns>
public static BigInteger GetWhitelistGroupNumber(byte[] address)
{
if (address.Length != 20)
{
return(0);
}
StorageMap kycWhitelist = Storage.CurrentContext.CreateMap(StorageKeys.KYCWhitelistPrefix());
return(kycWhitelist.Get(address).AsBigInteger());
}
/// <summary>
/// verify the contract invoker is the defined administrator
/// </summary>
/// <returns></returns>
public static bool VerifyIsAdminAccount()
{
if (ContractInitialised())
{
return(VerifyWitness(Storage.Get(Storage.CurrentContext, StorageKeys.ContractAdmin())));
}
else
{
return(VerifyWitness(ICOTemplate.InitialAdminAccount));
}
}
/// <summary>
/// helper method to retrieve the stored group unlock block height
/// </summary>
/// <param name="groupNumber"></param>
/// <returns></returns>
public static uint GetGroupUnlockBlock(BigInteger groupNumber)
{
if (groupNumber <= 0)
{
return(0);
}
StorageMap unlockBlock = Storage.CurrentContext.CreateMap(StorageKeys.GroupUnlockPrefix());
return((uint)unlockBlock.Get(groupNumber.AsByteArray()).AsBigInteger());
}
/// <summary>
/// get the maximum number of LX that can be purchased by groupNumber during the public sale
/// </summary>
/// <param name="groupNumber"></param>
/// <returns></returns>
public static BigInteger GetGroupMaxContribution(BigInteger groupNumber)
{
StorageMap contributionLimits = Storage.CurrentContext.CreateMap(StorageKeys.GroupContributionAmountPrefix());
BigInteger maxContribution = contributionLimits.Get(groupNumber.AsByteArray()).AsBigInteger();
if (maxContribution > 0)
{
return(maxContribution);
}
return(ICOContract.MaximumContributionAmount());
}
public static BigInteger Allowance(byte[] from, byte[] to)
{
if (from.Length != 20 || to.Length != 20)
{
Runtime.Log("Allowance() invalid from|to address supplied");
return(0);
}
StorageMap allowances = Storage.CurrentContext.CreateMap(StorageKeys.TransferAllowancePrefix());
return(allowances.Get(from.Concat(to)).AsBigInteger());
}
/// <summary>
/// will return an array of token release dates if the user purchased in excess of the defined amounts
/// </summary>
/// <param name="address"></param>
/// <returns></returns>
public static object[] PublicTokensLocked(byte[] address)
{
StorageMap vestingData = Storage.CurrentContext.CreateMap(StorageKeys.VestedTokenPrefix());
byte[] storedData = vestingData.Get(address);
if (storedData.Length > 0)
{
return((object[])storedData.Deserialize());
}
return(new object[] { });
}
/// <summary>
/// retreive the balance of an address and show any tokens that are locked due to vesting
/// </summary>
/// <param name="account">address to check balance of</param>
/// <returns>number of tokens</returns>
public static BigInteger BalanceOfVestedAddress(byte[] account)
{
if (account.Length != 20)
{
Runtime.Log("BalanceOfVestedAddress() invalid address supplied");
return(0);
}
StorageMap balances = Storage.CurrentContext.CreateMap(StorageKeys.VestedBalancePrefix());
return(balances.Get(account).AsBigInteger());
}
/// <summary>
/// test if a contract address is a whitelisted TransferFrom
/// </summary>
/// <param name="address"></param>
/// <returns></returns>
public static bool IsContractWhitelistedTransferFrom(byte[] address)
{
if (IsTransferFromWhitelistingEnabled())
{
StorageMap TransferFromList = Storage.CurrentContext.CreateMap(StorageKeys.WhiteListedTransferFromList());
bool isWhiteListed = TransferFromList.Get(address).AsString() == "1";
Runtime.Notify("IsContractWhitelistedTransferFrom() address, isWhiteListed", address, isWhiteListed);
return(isWhiteListed);
}
return(true);
}
/// <summary>
/// remove a DEX contract address from the whitelist
/// </summary>
/// <param name="address"></param>
/// <returns></returns>
public static bool WhitelistDEXRemove(byte[] address)
{
if (address.Length != 20)
{
return(false);
}
StorageMap dexList = Storage.CurrentContext.CreateMap(StorageKeys.WhiteListedDEXList());
dexList.Delete(address);
Runtime.Notify("WhitelistDEXRemove() removed contract from whitelist", address);
return(true);
}
/// <summary>
/// MintTokensEth is called when a the ETH contribution listener server triggers an Ether receive event
/// </summary>
/// <returns></returns>
public static bool MintTokensEth(string ethAddress, byte[] neoAddress, ulong ethReceived)
{
object[] transactionData = Helpers.GetEthTransactionAndSaleData(ethReceived, ethAddress, neoAddress);
Transaction tx = (Transaction)transactionData[0];
byte[] sender = (byte[])transactionData[1];
byte[] receiver = (byte[])transactionData[2];
BigInteger whiteListGroupNumber = (BigInteger)transactionData[5];
BigInteger crowdsaleAvailableAmount = (BigInteger)transactionData[6];
BigInteger groupMaximumContribution = (BigInteger)transactionData[7];
BigInteger totalTokensPurchased = (BigInteger)transactionData[8] * NEP5.factor;
BigInteger totalContributionBalance = (BigInteger)transactionData[9];
if (!CanETHUserParticipateInSale(transactionData))
{
refundEth(ethAddress, ethReceived);
Runtime.Notify("MintTokensEth() CanUserParticipate failed", false);
return(false);
}
if (Helpers.GetBlockTimestamp() >= ICOTemplate.PublicSaleEndTime())
{
refundEth(ethAddress, ethReceived);
Runtime.Notify("MintTokensEth() failed. Token Sale is closed.", false);
return(false);
}
byte[] lastTransactionHash = Storage.Get(Storage.CurrentContext, StorageKeys.MintTokensEthLastTX());
if (lastTransactionHash == tx.Hash)
{
// ensure that minTokens doesnt process the same transaction more than once
Runtime.Notify("MintTokensEth() not processing duplicate tx.Hash", tx.Hash);
return(false);
}
BigInteger tokenTotalSupply = NEP5.TotalSupply();
Storage.Put(Storage.CurrentContext, StorageKeys.MintTokensEthLastTX(), tx.Hash);
Runtime.Notify("MintTokensEth() receivedETH", ethReceived);
BigInteger senderAmountSubjectToVesting = TokenSale.SubjectToVestingPeriod(sender);
BigInteger newTokenBalance = NEP5.BalanceOf(sender) + totalTokensPurchased + senderAmountSubjectToVesting;
Helpers.SetBalanceOf(sender, newTokenBalance);
Helpers.SetBalanceOfSaleContribution(sender, totalContributionBalance);
Helpers.SetTotalSupply(totalTokensPurchased);
transfer(null, sender, totalTokensPurchased);
return(true);
}
/// <summary>
/// add a DEX contract address to the whitelist
/// </summary>
/// <param name="address"></param>
/// <returns></returns>
public static bool WhitelistDEXAdd(byte[] address)
{
if (address.Length != 20)
{
return(false);
}
StorageMap dexList = Storage.CurrentContext.CreateMap(StorageKeys.WhiteListedDEXList());
dexList.Put(address, "1");
Runtime.Notify("WhitelistDEXAdd() added contract to whitelist", address);
return(true);
}
/// <summary>
/// add an address to the kyc whitelist
/// </summary>
/// <param name="address"></param>
public static bool AddAddress(byte[] address, int groupNumber)
{
if (address.Length != 20 || groupNumber <= 0)
{
return(false);
}
if (Helpers.VerifyIsAdminAccount())
{
StorageMap kycWhitelist = Storage.CurrentContext.CreateMap(StorageKeys.KYCWhitelistPrefix());
kycWhitelist.Put(address, groupNumber);
return(true);
}
return(false);
}
/// <summary>
/// remove an address from the whitelist
/// </summary>
/// <param name="address"></param>
public static bool RevokeAddress(byte[] address)
{
if (address.Length != 20)
{
return(false);
}
if (Helpers.VerifyIsAdminAccount())
{
StorageMap kycWhitelist = Storage.CurrentContext.CreateMap(StorageKeys.KYCWhitelistPrefix());
kycWhitelist.Delete(address);
return(true);
}
return(false);
}
/// <summary>
/// remove an address from the whitelist
/// </summary>
/// <param name="address"></param>
public static bool RevokeAddress(byte[] address)
{
if (address.Length != 20)
{
return(false);
}
if (Helpers.VerifyWitness(ICOTemplate.KycMiddlewareKey))
{
StorageMap kycWhitelist = Storage.CurrentContext.CreateMap(StorageKeys.KYCWhitelistPrefix());
kycWhitelist.Delete(address);
return(true);
}
return(false);
}
/// <summary>
/// add an address to the kyc whitelist
/// </summary>
/// <param name="address"></param>
public static bool AddAddress(byte[] address, int groupNumber)
{
if (address.Length != 20 || groupNumber <= 0 || groupNumber > 4)
{
return(false);
}
if (Helpers.VerifyWitness(ICOTemplate.KycMiddlewareKey))
{
StorageMap kycWhitelist = Storage.CurrentContext.CreateMap(StorageKeys.KYCWhitelistPrefix());
kycWhitelist.Put(address, groupNumber);
return(true);
}
return(false);
}
/// <summary>
/// allow administrator to set the maximum contribution amount allowed for a presale group
/// </summary>
/// <param name="groupNumber"></param>
/// <param name="maxContribution">max number of LX that can be purchased by this group</param>
/// <returns></returns>
public static bool SetGroupMaxContribution(BigInteger groupNumber, uint maxContribution)
{
if (groupNumber <= 0 || maxContribution <= 0)
{
return(false);
}
if (Helpers.VerifyIsAdminAccount())
{
StorageMap contributionLimits = Storage.CurrentContext.CreateMap(StorageKeys.GroupContributionAmountPrefix());
contributionLimits.Put(groupNumber.AsByteArray(), maxContribution);
return(true);
}
return(false);
}
/// <summary>
/// set a vesting schedule, as defined in the whitepaper, for tokens purchased during the presale
/// </summary>
/// <param name="address"></param>
/// <param name="tokenBalance"></param>
/// <returns></returns>
public static bool SetVestingPeriodForAddress(byte[] address, BigInteger tokensPurchased)
{
if (!ICOTemplate.UseTokenVestingPeriod())
{
return(false);
}
if (address.Length != 20)
{
return(false);
}
object[] vestingOne = ICOTemplate.VestingBracketOne();
object[] vestingTwo = ICOTemplate.VestingBracketTwo();
BigInteger bracketOneThreshold = (BigInteger)vestingOne[0] * NEP5.factor;
BigInteger bracketTwoThreshold = (BigInteger)vestingTwo[0] * NEP5.factor;
BigInteger currentAvailableBalance = 0; // how many tokens will be immediately available to the owner
uint currentTimestamp = Helpers.GetContractInitTime();
uint bracketOneReleaseDate = (uint)vestingOne[1] + currentTimestamp;
uint bracketTwoReleaseDate = (uint)vestingTwo[1] + currentTimestamp;
StorageMap vestingData = Storage.CurrentContext.CreateMap(StorageKeys.VestedTokenPrefix());
if (tokensPurchased > bracketTwoThreshold)
{
// user has purchased enough tokens to fall under the second vesting period restriction
// calculate the difference between the bracketOne and bracketTwo thresholds to calculate how much should be released after bracketOne lapses
BigInteger bracketOneReleaseAmount = bracketTwoThreshold - bracketOneThreshold;
// the remainder will be released after the bracket two release date
BigInteger bracketTwoReleaseAmount = tokensPurchased - bracketOneReleaseAmount - bracketOneThreshold;
object[] lockoutTimes = new object[] { bracketOneReleaseDate, bracketOneReleaseAmount, bracketTwoReleaseDate, bracketTwoReleaseAmount };
vestingData.Put(address, lockoutTimes.Serialize());
}
else
{
// user has purchased enough tokens to fall under the first vesting period restriction
// calculate the difference between amount purchased and bracketOne threshold to calculate how much should be released after the bracketOne lapses
BigInteger bracketOneReleaseAmount = tokensPurchased - bracketOneThreshold;
object[] lockoutTimes = new object[] { bracketOneReleaseDate, bracketOneReleaseAmount };
vestingData.Put(address, lockoutTimes.Serialize());
}
// ensure the total amount purchased is saved
Helpers.SetBalanceOf(address, tokensPurchased);
Helpers.SetBalanceOfVestedAmount(address, tokensPurchased);
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 project
object[] immediateAllocation = ICOContract.ImmediateProjectGrowthAllocation();
object[] vestedAllocation = ICOContract.VestedProjectGrowthAllocation();
BigInteger immediateProjectAllocationValue = ((ICOContract.TokenMaxSupply * (BigInteger)immediateAllocation[0]) / 100) * NEP5.factor;
BigInteger vestedProjectAllocationValue = ((ICOContract.TokenMaxSupply * (BigInteger)vestedAllocation[0]) / 100) * NEP5.factor;
Helpers.SetBalanceOf(ICOContract.MoonlightProjectKey(), immediateProjectAllocationValue + vestedProjectAllocationValue);
Helpers.SetBalanceOfVestedAmount(ICOContract.MoonlightProjectKey(), immediateProjectAllocationValue + vestedProjectAllocationValue);
// lockup a portion of the tokens to be released in the future
uint vestedGrowthReleaseDate = (uint)vestedAllocation[1] + ContractInitTime;
object[] vestedTokenPeriod = new object[] { vestedGrowthReleaseDate, vestedProjectAllocationValue };
StorageMap vestingData = Storage.CurrentContext.CreateMap(StorageKeys.VestedTokenPrefix());
vestingData.Put(ICOContract.MoonlightProjectKey(), vestedTokenPeriod.Serialize());
// token allocation to MoonlightFounderKeys - update the total supply to include balance - these funds will be unlocked gradually
BigInteger founderTokenAllocation = ((ICOContract.TokenMaxSupply * (BigInteger)ICOContract.MoonlightFoundersAllocationPercentage()) / 100) * NEP5.factor;
// token allocated to presale
BigInteger presaleAllocationMaxValue = ((ICOContract.TokenMaxSupply * (BigInteger)ICOContract.PresaleAllocationPercentage()) / 100) * NEP5.factor;
// update the total supply to reflect the project allocated tokens
BigInteger totalSupply = immediateProjectAllocationValue + vestedProjectAllocationValue + founderTokenAllocation + presaleAllocationMaxValue;
Helpers.SetTotalSupply(totalSupply);
UpdateAdminAddress(ICOContract.InitialAdminAccount);
EnableDEXWhitelisting(ICOContract.WhitelistDEXListings());
Runtime.Log("InitSmartContract() contract initialisation complete");
return(true);
}
/// <summary>
/// set the block number that a specific group is allowed to participate in the ICO
/// </summary>
/// <param name="groupNumber"></param>
/// <param name="unlockBlockNumber">group will be able to participate at this block height</param>
/// <returns></returns>
public static bool SetGroupUnlockBlock(BigInteger groupNumber, uint unlockBlockNumber)
{
if (groupNumber <= 0 || unlockBlockNumber <= 0)
{
return(false);
}
if (Helpers.VerifyIsAdminAccount())
{
Runtime.Notify("SetGroupUnlockBlock() groupNumber / unlockBlockNumber", groupNumber, unlockBlockNumber);
StorageMap unlockBlocks = Storage.CurrentContext.CreateMap(StorageKeys.GroupUnlockPrefix());
unlockBlocks.Put(groupNumber.AsByteArray(), unlockBlockNumber);
return(true);
}
return(false);
}
public static object HandleHelperOperation(string operation, params object[] args)
{
switch (operation)
{
case "BalanceOfVestedAddress":
if (!Helpers.RequireArgumentLength(args, 1))
{
return(false);
}
return(Helpers.BalanceOfVestedAddress((byte[])args[0]));
case "IsPresaleAllocationLocked":
return(Storage.Get(Storage.CurrentContext, StorageKeys.PresaleAllocationLocked()));
case "supportedStandards":
return(DIVE.DIVE.supportedStandards());
}
return(false);
}
/// <summary>
/// update the balance of an address to include any tokens subject to a vesting period
/// </summary>
/// <param name="address"></param>
/// <param name="newBalance"></param>
public static void SetBalanceOfVestedAmount(byte[] address, BigInteger newBalance, string allocationType)
{
if (address.Length != 20)
{
Runtime.Log("SetBalanceOfVestedAmount() address.length != 20");
return;
}
StorageMap balances = Storage.CurrentContext.CreateMap(StorageKeys.VestedBalancePrefix());
if (newBalance <= 0)
{
balances.Delete(address);
}
else
{
Runtime.Notify("SetBalanceOfVestedAmount() setting balance", newBalance, allocationType);
balances.Put(address, newBalance);
}
}
public static BigInteger BalanceOf(byte[] account)
{
if (account.Length != 20)
{
Runtime.Log("BalanceOf() invalid address supplied");
return(0);
}
StorageMap balances = Storage.CurrentContext.CreateMap(StorageKeys.BalancePrefix());
BigInteger amountSubjectToVesting = TokenSale.SubjectToVestingPeriod(account);
BigInteger userBalance = balances.Get(account).AsBigInteger() - amountSubjectToVesting;
if (userBalance < 0)
{
userBalance = 0;
}
return(userBalance.AsByteArray().Concat(new byte[] { }).AsBigInteger());
}
