private void Run()
{
try
{
const ulong checkInterval = 1000;
var lastCheckedBlockHeight = (ulong)0;
var passingCycle = -1;
Logger.LogInformation($"Validator status manager started, {_withdrawTriggered}, {_stakeSize}, {_stopRequested}");
while (!_withdrawTriggered)
{
if (_stopRequested)
{
break;
}
if (lastCheckedBlockHeight == _stateManager.LastApprovedSnapshot.Blocks.GetTotalBlockHeight() ||
GetCurrentCycle() == passingCycle)
{
Thread.Sleep(TimeSpan.FromMilliseconds(checkInterval));
continue;
}
lastCheckedBlockHeight = _stateManager.LastApprovedSnapshot.Blocks.GetTotalBlockHeight();
Logger.LogInformation($"Check {lastCheckedBlockHeight} height");
if (_sendingTxHash != null)
{
if (_stateManager.LastApprovedSnapshot.Transactions.GetTransactionByHash(_sendingTxHash) ==
null)
{
Logger.LogInformation(
$"Transaction {_sendingTxHash.ToHex()} submitted, waiting for including in block");
Thread.Sleep(TimeSpan.FromMilliseconds(checkInterval));
continue;
}
_sendingTxHash = null;
}
var stake = _systemContractReader.GetStake().ToBigInteger();
Logger.LogInformation($"Stake size is {stake}");
var isStaker = !stake.IsZero;
if (!isStaker)
{
var coverFeesAmount = new BigInteger(10) * BigInteger.Pow(10, 18);
Logger.LogInformation($"Trying to become staker");
var balance =
_stateManager.CurrentSnapshot.Balances.GetBalance(_systemContractReader.NodeAddress());
Logger.LogInformation($"Balance is {balance.ToWei()}");
if (_stakeSize is null)
{
Logger.LogInformation("Stake size is null, cannot become staker");
continue;
}
Logger.LogInformation($"Stake size is {_stakeSize}");
var isEnoughBalance = balance.ToWei() > _stakeSize.Value + coverFeesAmount;
if (isEnoughBalance)
{
var rolls = _stakeSize.Value / StakingContract.TokenUnitsInRoll;
Logger.LogInformation($"Sending transaction to become staker for {rolls} rolls");
BecomeStaker(rolls * StakingContract.TokenUnitsInRoll);
_stakeSize = null;
continue;
}
Logger.LogInformation($"Not enough balance to become staker");
continue;
}
var requestCycle = _systemContractReader.GetWithdrawRequestCycle();
Logger.LogInformation($"Request cycle is {requestCycle}");
if (requestCycle != 0)
{
Logger.LogInformation(
$"Stake withdrawal triggered externally in cycle {requestCycle}. Processing withdrawal...");
_withdrawTriggered = true;
continue;
}
if (_systemContractReader.IsAttendanceDetectionPhase() &&
_systemContractReader.IsPreviousValidator() && !_systemContractReader.IsCheckedIn())
{
Logger.LogInformation(
$"The node is previous validator. Trying to submit attendance detection.");
SubmitAttendanceDetection();
continue;
}
if (_systemContractReader.IsNextValidator())
{
Logger.LogDebug($"The node chosen as next validator. Nothing to do.");
passingCycle = GetCurrentCycle();
continue;
}
if (!_systemContractReader.IsAbleToBeValidator() || !_systemContractReader.IsVrfSubmissionPhase())
{
Logger.LogInformation($"Current submission phase missed. Waiting for the next one.");
passingCycle = GetCurrentCycle();
continue;
}
var(isWinner, proof) = GetVrfProof(stake);
if (isWinner)
{
Logger.LogDebug(
$"The node won the VRF lottery. Submitting transaction to become the next cycle validator");
SubmitVrf(proof);
continue;
}
Logger.LogInformation($"The node didn't win the VRF lottery. Waiting for the next cycle.");
passingCycle = GetCurrentCycle();
}
lastCheckedBlockHeight = 0;
passingCycle = -1;
// Try to withdraw stake
while (!_systemContractReader.GetStake().IsZero())
{
if (_stopRequested)
{
break;
}
if (_sendingTxHash != null)
{
if (_stateManager.LastApprovedSnapshot.Transactions.GetTransactionByHash(_sendingTxHash) ==
null)
{
Logger.LogInformation(
$"Transaction {_sendingTxHash.ToHex()} submitted, waiting for including in block");
Thread.Sleep(TimeSpan.FromMilliseconds(checkInterval));
continue;
}
_sendingTxHash = null;
}
if (lastCheckedBlockHeight == _stateManager.LastApprovedSnapshot.Blocks.GetTotalBlockHeight() ||
GetCurrentCycle() == passingCycle)
{
Thread.Sleep(TimeSpan.FromMilliseconds(checkInterval));
continue;
}
Logger.LogWarning($"Trying to withdraw stake");
lastCheckedBlockHeight = _stateManager.LastApprovedSnapshot.Blocks.GetTotalBlockHeight();
if (_systemContractReader.IsAttendanceDetectionPhase() &&
_systemContractReader.IsPreviousValidator() && !_systemContractReader.IsCheckedIn())
{
Logger.LogInformation(
$"The node is previous validator. Trying to submit attendance detection.");
SubmitAttendanceDetection();
continue;
}
var requestCycle = _systemContractReader.GetWithdrawRequestCycle();
if (requestCycle == 0)
{
if (IsNextValidator())
{
Logger.LogWarning($"Stake reserved for the next cycle. Waiting for the next cycle.");
passingCycle = GetCurrentCycle();
continue;
}
RequestStakeWithdrawal();
passingCycle = GetCurrentCycle();
Logger.LogWarning($"Submitted withdrawal stake request. Waiting for the next cycle.");
continue;
}
if (GetCurrentCycle() <= requestCycle)
{
Logger.LogInformation(
$"Stake withdrawal request in cycle {requestCycle}, current cycle is {GetCurrentCycle()}. " +
$"Waiting for the next cycle to withdraw stake..."
);
passingCycle = GetCurrentCycle();
continue;
}
if (!IsWithdrawalPhase())
{
Logger.LogWarning($"Waiting for withdrawal phase...");
continue;
}
WithdrawStakeTx();
Logger.LogWarning(
$"Stake withdrawal transaction submitted. Waiting for the next block to ensure withdrawal succeeded.");
}
_started = false;
Logger.LogWarning($"Stake withdrawn. Validator status manager stopped.");
}
catch (Exception e)
{
Logger.LogCritical($"Fatal error in validator status manager, exiting: {e}");
Environment.Exit(1);
}
}
private JObject GetAccount(string?address = null)
{
address ??= _systemContractReader.NodeAddress().ToHex();
var publicKey = _systemContractReader.NodePublicKey().ToHex();
var addressUint160 = address.HexToBytes().ToUInt160();
var balance =
_stateManager.LastApprovedSnapshot.Balances.GetBalance(addressUint160);
var staked = _systemContractReader.GetStake(addressUint160).ToMoney();
var staking = _systemContractReader.GetStakerTotalStake(addressUint160).ToMoney();
var penalty = _systemContractReader.GetPenalty(addressUint160).ToMoney();
var isCurrentValidator = _stateManager.CurrentSnapshot.Validators
.GetValidatorsPublicKeys().Any(pk =>
pk.Buffer.ToByteArray().SequenceEqual(_systemContractReader.NodePublicKey()));
var isNextValidator = _systemContractReader.IsNextValidator();
var isPreviousValidator = _systemContractReader.IsPreviousValidator();
var isAbleToBeValidator = _systemContractReader.IsAbleToBeValidator();
var isStaker = !_systemContractReader.GetStake().IsZero();
var isAbleToBeStaker = balance.ToWei() > StakingContract.TokenUnitsInRoll;
var isWalletLocked = _privateWallet.IsLocked();
var withdrawTriggered = _validatorStatusManager.IsWithdrawTriggered();
var isValidatorStatusManagerActive = _validatorStatusManager.IsStarted();
var withdrawRequestCycle = _systemContractReader.GetWithdrawRequestCycle();
string state;
if (isValidatorStatusManagerActive && withdrawTriggered)
{
if (isNextValidator)
{
state = "StakeReserved";
}
else if (withdrawRequestCycle == 0)
{
state = "SubmittingWithdrawRequest";
}
else
{
state = "WaitingForTheNextCycleToWithdraw";
}
}
else if (isCurrentValidator)
{
state = "Validator";
}
else if (isNextValidator)
{
state = "NextValidator";
}
else if (isAbleToBeValidator)
{
state = "AbleToBeValidator";
}
else if (isPreviousValidator)
{
state = "PreviousValidator";
}
else if (isAbleToBeStaker)
{
state = "AbleToBeStaker";
}
else
{
state = "Newbie";
}
return(new JObject
{
["address"] = address,
["publicKey"] = publicKey,
["balance"] = balance.ToString(),
["staked"] = staked.ToString(),
["staking"] = staking.ToString(),
["penalty"] = penalty.ToString(),
["state"] = state,
["online"] = isStaker,
["isWalletLocked"] = isWalletLocked,
});
}
public JObject GetValidatorInfo(string publicKeyStr)
{
var publicKey = publicKeyStr.HexToBytes();
var addressUint160 = Crypto.ComputeAddress(publicKey).ToUInt160();
var balance = _stateManager.CurrentSnapshot.Balances.GetBalance(addressUint160);
var stake = _systemContractReader.GetStake(addressUint160).ToMoney();
var penalty = _systemContractReader.GetPenalty(addressUint160).ToMoney();
var isNextValidator = _systemContractReader.IsNextValidator(publicKey);
var isAbleToBeValidator = _systemContractReader.IsAbleToBeValidator(addressUint160);
var isPreviousValidator = _systemContractReader.IsPreviousValidator(publicKey);
var isCurrentValidator = _stateManager.CurrentSnapshot.Validators
.GetValidatorsPublicKeys().Any(pk =>
pk.Buffer.ToByteArray().SequenceEqual(publicKey));
var isAbleToBeStaker = balance.ToWei() > StakingContract.TokenUnitsInRoll;
var isStaker = !_systemContractReader.GetStake(addressUint160).IsZero();
bool stakeDelegated = !isStaker && isCurrentValidator;
string state;
if (isCurrentValidator)
{
state = "Validator";
}
else if (isNextValidator)
{
state = "NextValidator";
}
else if (isAbleToBeValidator)
{
state = "AbleToBeValidator";
}
else if (isPreviousValidator)
{
state = "PreviousValidator";
}
else if (isAbleToBeStaker)
{
state = "AbleToBeStaker";
}
else
{
state = "Newbie";
}
return(new JObject
{
["address"] = addressUint160.ToHex(),
["publicKey"] = publicKey.ToHex(),
["balance"] = balance.ToString(),
["stake"] = stake.ToString(),
["penalty"] = penalty.ToString(),
["state"] = state,
["stakeDelegated"] = stakeDelegated.ToString(),
["staker"] = isStaker
});
}