///<remarks>
/// END user configurable fields
///</remarks>
/// <summary>
/// the entry point for smart contract execution
/// </summary>
/// <param name="operation">string to determine execution operation performed</param>
/// <param name="args">optional arguments, context specific depending on operation</param>
/// <returns></returns>
public static object Main(string operation, params object[] args)
{
if (Runtime.Trigger == TriggerType.Application)
{
//Only allow InitSmartContract if contract not initialized and not calling whitelist/KYC operations
if(!Helpers.ContractInitialised() && ((operation != "admin" && (string) args[0] != "InitSmartContract") && operation != "AddAddress" && operation != "RevokeAddress" && operation != "GetGroupNumber" && operation != "crowdsale_status"))
{
Runtime.Log("Smart Contract not Initialised");
return false;
}
if (operation == "admin" && Helpers.VerifyIsAdminAccount())
{
// allow access to administration methods
string adminOperation = (string)args[0];
foreach (string adminMethod in Administration.GetAdministrationMethods())
{
if (adminMethod == adminOperation)
{
return Administration.HandleAdministrationOperation(adminOperation, args);
}
}
return false;
}
// test if a nep5 method is being invoked
foreach (string nepMethod in NEP5.GetNEP5Methods())
{
if (nepMethod == operation)
{
return NEP5.HandleNEP5Operation(operation, args, ExecutionEngine.CallingScriptHash, ExecutionEngine.EntryScriptHash);
}
}
// test if a kyc method is being invoked
foreach (string kycMethod in KYC.GetKYCMethods())
{
if (kycMethod == operation)
{
return KYC.HandleKYCOperation(operation, args);
}
}
// test if a helper/misc method is being invoked
foreach (string helperMethod in Helpers.GetHelperMethods())
{
if (helperMethod == operation)
{
return Helpers.HandleHelperOperation(operation, args);
}
}
//If MintTokensEth operation
if(operation == "MintTokensEth")
{
// Method can only be called by the ETH contributions listener account
if (Helpers.VerifyWitness(ICOTemplate.EthContributionListenerKey) && Helpers.RequireArgumentLength(args,3))
{
return EthSale.MintTokensEth((string)args[0], (byte[])args[1], (ulong)args[2]);
}
}
}
else if (Runtime.Trigger == TriggerType.Verification)
{
if (Helpers.VerifyIsAdminAccount())
{
return true;
}
// test if this transaction is allowed
object[] transactionData = Helpers.GetTransactionAndSaleData();
return TokenSale.CanUserParticipateInSale(transactionData);
}
return false;
}