public void UnstakeWithStoredFilesFailure()
{
var owner = KeyPair.Generate();
var simulator = new NexusSimulator(owner, 1234);
var nexus = simulator.Nexus;
var testUser = KeyPair.Generate();
var accountBalance = MinimumValidStake * 100;
Transaction tx = null;
simulator.BeginBlock();
simulator.GenerateTransfer(owner, testUser.Address, nexus.RootChain, Nexus.FuelTokenSymbol, 100000000);
simulator.GenerateTransfer(owner, testUser.Address, nexus.RootChain, Nexus.StakingTokenSymbol, accountBalance);
simulator.EndBlock();
//-----------
//Perform a valid Stake call for minimum staking amount
var stakedAmount = MinimumValidStake;
var startingSoulBalance = simulator.Nexus.RootChain.GetTokenBalance(Nexus.StakingTokenSymbol, testUser.Address);
simulator.BeginBlock();
tx = simulator.GenerateCustomTransaction(testUser, ProofOfWork.None, () =>
ScriptUtils.BeginScript().AllowGas(testUser.Address, Address.Null, 1, 9999)
.CallContract(Nexus.StakeContractName, "Stake", testUser.Address, stakedAmount).
SpendGas(testUser.Address).EndScript());
simulator.EndBlock();
//-----------
//Upload a file
var filename = "notAVirus.exe";
var headerSize = CalculateRequiredSize(filename, 0);
var contentSize = (long)(stakedAmount / MinimumValidStake * KilobytesPerStake * 1024) - (long)headerSize;
var content = new byte[contentSize];
var contentMerkle = new MerkleTree(content);
simulator.BeginBlock();
tx = simulator.GenerateCustomTransaction(testUser, ProofOfWork.None, () =>
ScriptUtils.BeginScript().AllowGas(testUser.Address, Address.Null, 1, 9999)
.CallContract("storage", "UploadFile", testUser.Address, filename, contentSize, contentMerkle, ArchiveFlags.None, new byte[0]).
SpendGas(testUser.Address).EndScript());
simulator.EndBlock();
var usedSpace = simulator.Nexus.RootChain.InvokeContract("storage", "GetUsedSpace", testUser.Address).AsNumber();
Assert.IsTrue(usedSpace == contentSize + headerSize);
var oldSpace = usedSpace;
//-----------
//Time skip 1 day
simulator.TimeSkipDays(1);
//-----------
//Try to unstake everything: should fail due to files still existing for this user
var initialStakedAmount = simulator.Nexus.RootChain.InvokeContract(Nexus.StakeContractName, "GetStake", testUser.Address).AsNumber();
var stakeReduction = initialStakedAmount - MinimumValidStake;
startingSoulBalance = simulator.Nexus.RootChain.GetTokenBalance(Nexus.StakingTokenSymbol, testUser.Address);
Assert.ThrowsException <ChainException>(() =>
{
simulator.BeginBlock();
simulator.GenerateCustomTransaction(testUser, ProofOfWork.None, () =>
ScriptUtils.BeginScript().AllowGas(testUser.Address, Address.Null, 1, 9999)
.CallContract(Nexus.StakeContractName, "Unstake", testUser.Address, stakeReduction).
SpendGas(testUser.Address).EndScript());
simulator.EndBlock();
});
var finalStakedAmount = simulator.Nexus.RootChain.InvokeContract(Nexus.StakeContractName, "GetStake", testUser.Address).AsNumber();
Assert.IsTrue(initialStakedAmount == finalStakedAmount);
usedSpace = simulator.Nexus.RootChain.InvokeContract("storage", "GetUsedSpace", testUser.Address).AsNumber();
Assert.IsTrue(usedSpace == oldSpace);
}
private void AddNewValidator(PhantasmaKeys newValidator)
{
Timestamp startTime = simulator.CurrentTime;
Timestamp endTime = simulator.CurrentTime.AddDays(1);
var pollName = SystemPoll + ValidatorPollTag;
var validators = (ValidatorEntry[])simulator.Nexus.RootChain.InvokeContract(simulator.Nexus.RootStorage, Nexus.ValidatorContractName,
nameof(ValidatorContract.GetValidators)).ToObject(typeof(ValidatorEntry[]));
var activeValidators = validators.Where(x => x.address != Address.Null);
var activeValidatorCount = activeValidators.Count();
var choices = new PollChoice[activeValidatorCount + 1];
for (int i = 0; i < activeValidatorCount; i++)
{
choices[i] = new PollChoice()
{
value = validators[i].address.ToByteArray()
};
}
choices[activeValidatorCount] = new PollChoice()
{
value = newValidator.Address.ToByteArray()
};
var serializedChoices = choices.Serialize();
//start vote for new validator
simulator.BeginBlock();
simulator.GenerateCustomTransaction(owner, ProofOfWork.None, () =>
ScriptUtils.BeginScript().
AllowGas(owner.Address, Address.Null, 1, 9999).
CallContract(ConsensusContractName, nameof(ConsensusContract.InitPoll),
owner.Address, pollName, DomainSettings.ValidatorsOrganizationName, ConsensusMode.Majority, startTime, endTime, serializedChoices, 1).
SpendGas(owner.Address).
EndScript());
simulator.EndBlock();
for (int i = 0; i < activeValidatorCount; i++)
{
var validator = validatorKeyPairs[i];
//have each already existing validator vote on themselves to preserve the validator order
simulator.BeginBlock();
simulator.GenerateCustomTransaction(validator, ProofOfWork.None, () =>
ScriptUtils.BeginScript().
AllowGas(validator.Address, Address.Null, 1, 9999).
CallContract(ConsensusContractName, nameof(ConsensusContract.SingleVote),
validator.Address, pollName, i).
SpendGas(validator.Address).
EndScript());
simulator.EndBlock();
}
//skip until the voting is over
simulator.TimeSkipDays(1.5);
var votingRank = simulator.Nexus.RootChain.InvokeContract(simulator.Nexus.RootStorage, ConsensusContractName, nameof(ConsensusContract.GetRank), pollName,
choices[activeValidatorCount].Serialize()).AsNumber();
//call SetValidator for each set validator address
for (int i = 0; i <= activeValidatorCount; i++)
{
var validatorChoice = choices[i].value;
ValidatorType validatorType = i < 2 ? Primary : Secondary;
votingRank = simulator.Nexus.RootChain.InvokeContract(simulator.Nexus.RootStorage, ConsensusContractName, nameof(ConsensusContract.GetRank), pollName, validatorChoice).AsNumber();
simulator.BeginBlock();
var tx = simulator.GenerateCustomTransaction(owner, ProofOfWork.None, () =>
ScriptUtils.BeginScript().
AllowGas(owner.Address, Address.Null, 1, 9999).
CallContract(ValidatorContractName, nameof(ValidatorContract.SetValidator), validatorChoice, votingRank, validatorType).
SpendGas(owner.Address).
EndScript());
simulator.EndBlock().First();
}
}
public void ReduceAvailableSpace()
{
var owner = KeyPair.Generate();
var simulator = new NexusSimulator(owner, 1234);
var nexus = simulator.Nexus;
var testUser = KeyPair.Generate();
var accountBalance = MinimumValidStake * 100;
Transaction tx = null;
simulator.BeginBlock();
simulator.GenerateTransfer(owner, testUser.Address, nexus.RootChain, DomainSettings.FuelTokenSymbol, 100000000);
simulator.GenerateTransfer(owner, testUser.Address, nexus.RootChain, DomainSettings.StakingTokenSymbol, accountBalance);
simulator.EndBlock();
//-----------
//Perform a valid Stake call for minimum staking amount
var stakedAmount = MinimumValidStake * 5;
var startingSoulBalance = simulator.Nexus.RootChain.GetTokenBalance(simulator.Nexus.RootStorage, DomainSettings.StakingTokenSymbol, testUser.Address);
simulator.BeginBlock();
tx = simulator.GenerateCustomTransaction(testUser, ProofOfWork.None, () =>
ScriptUtils.BeginScript().AllowGas(testUser.Address, Address.Null, 1, 9999)
.CallContract(Nexus.StakeContractName, "Stake", testUser.Address, stakedAmount).
SpendGas(testUser.Address).EndScript());
simulator.EndBlock();
//-----------
//Upload a file
var filename = "notAVirus.exe";
var headerSize = CalculateRequiredSize(filename, 0);
var contentSize = (long)(stakedAmount / MinimumValidStake * KilobytesPerStake * 1024 / 5) - (long)headerSize;
var content = new byte[contentSize];
var contentMerkle = new MerkleTree(content);
simulator.BeginBlock();
tx = simulator.GenerateCustomTransaction(testUser, ProofOfWork.None, () =>
ScriptUtils.BeginScript().AllowGas(testUser.Address, Address.Null, 1, 9999)
.CallContract("storage", "UploadFile", testUser.Address, filename, contentSize, contentMerkle, ArchiveFlags.None, new byte[0]).
SpendGas(testUser.Address).EndScript());
simulator.EndBlock();
var usedSpace = simulator.Nexus.RootChain.InvokeContract(simulator.Nexus.RootStorage, "storage", "GetUsedSpace", testUser.Address).AsNumber();
Assert.IsTrue(usedSpace == contentSize + headerSize);
//-----------
//Time skip 1 day
simulator.TimeSkipDays(1);
//-----------
//Try partial unstake: should succeed
var initialStakedAmount = simulator.Nexus.RootChain.InvokeContract(simulator.Nexus.RootStorage, Nexus.StakeContractName, "GetStake", testUser.Address).AsNumber();
var stakeReduction = stakedAmount / 5;
simulator.BeginBlock();
simulator.GenerateCustomTransaction(testUser, ProofOfWork.None, () =>
ScriptUtils.BeginScript().AllowGas(testUser.Address, Address.Null, 1, 9999)
.CallContract(Nexus.StakeContractName, "Unstake", testUser.Address, stakeReduction).
SpendGas(testUser.Address).EndScript());
simulator.EndBlock();
var finalStakedAmount = simulator.Nexus.RootChain.InvokeContract(simulator.Nexus.RootStorage, Nexus.StakeContractName, "GetStake", testUser.Address).AsNumber();
Assert.IsTrue(finalStakedAmount == initialStakedAmount - stakeReduction);
}