public void AddValidator(Address from)
{
Runtime.Expect(IsWitness(from), "witness failed");
var count = _validatorList.Count();
var max = GetMaxValidators();
Runtime.Expect(count < max, "no open validators spots");
var requiredStake = GetRequiredStake();
var stakedAmount = (BigInteger)Runtime.CallContext("energy", "GetStake", from);
Runtime.Expect(stakedAmount >= requiredStake, "not enough stake");
_validatorList.Add(from);
var entry = new ValidatorEntry()
{
address = from,
joinDate = Runtime.Time,
lastActivity = Runtime.Time,
slashes = 0
};
_validatorMap.Set(from, entry);
Runtime.Notify(EventKind.ValidatorAdd, Runtime.Chain.Address, from);
}
public void AddValidator(Address from)
{
Runtime.Expect(from.IsUser, "must be user address");
Runtime.Expect(IsWitness(from), "witness failed");
var count = _validatorList.Count();
if (count > 0)
{
var max = Runtime.GetGovernanceValue(ActiveValidatorCountTag);
Runtime.Expect(count < max, "no open validators spots");
var pollName = ConsensusContract.SystemPoll + ValidatorPollTag;
var hasConsensus = (bool)Runtime.CallContext("consensus", "HasRank", pollName, from, max);
Runtime.Expect(hasConsensus, "no consensus for electing this address");
}
var requiredStake = EnergyContract.MasterAccountThreshold;
var stakedAmount = (BigInteger)Runtime.CallContext("energy", "GetStake", from);
Runtime.Expect(stakedAmount >= requiredStake, "not enough stake");
_validatorList.Add(from);
var entry = new ValidatorEntry()
{
address = from,
election = Runtime.Time,
};
_validatorMap.Set(from, entry);
Runtime.Notify(EventKind.ValidatorAdd, Runtime.Chain.Address, from);
}
public ValidatorEntry[] GetValidators()
{
var totalValidators = (int)Runtime.GetGovernanceValue(ValidatorCountTag);
var result = new ValidatorEntry[totalValidators];
for (int i = 0; i < totalValidators; i++)
{
result[i] = GetValidatorByIndex(i);
}
return(result);
}
// NOTE - witness not required, as anyone should be able to call this, permission is granted based on consensus
public void SetValidator(Address from, BigInteger index, ValidatorType type)
{
Runtime.Expect(from.IsUser, "must be user address");
Runtime.Expect(type != ValidatorType.Invalid, "invalid validator type");
var primaryValidators = GetValidatorCount(ValidatorType.Primary);
var secondaryValidators = GetValidatorCount(ValidatorType.Secondary);
Runtime.Expect(index >= 0, "invalid index");
var totalValidators = GetMaxTotalValidators();
Runtime.Expect(index < totalValidators, "invalid index");
if (primaryValidators > 1)
{
var pollName = ConsensusContract.SystemPoll + ValidatorPollTag;
var obtainedRank = Runtime.CallContext("consensus", "GetRank", pollName, from).AsNumber();
Runtime.Expect(obtainedRank >= 0, "no consensus for electing this address");
Runtime.Expect(obtainedRank == index, "this address was elected at a different index");
}
else
if (primaryValidators == 1)
{
var firstValidator = GetValidatorByIndex(0).address;
Runtime.Expect(IsWitness(firstValidator), "invalid witness");
}
else
if (primaryValidators == 0)
{
Runtime.Expect(IsWitness(Runtime.Nexus.GenesisAddress), "invalid witness");
}
var expectedType = index < GetMaxPrimaryValidators() ? ValidatorType.Primary : ValidatorType.Secondary;
Runtime.Expect(type == expectedType, "unexpected validator type");
var requiredStake = Runtime.CallContext(Nexus.StakeContractName, "GetMasterThreshold", from).AsNumber();
var stakedAmount = Runtime.CallContext(Nexus.StakeContractName, "GetStake", from).AsNumber();
Runtime.Expect(stakedAmount >= requiredStake, "not enough stake");
if (index > 0)
{
var isPreviousSet = _validators.ContainsKey <BigInteger>(index - 1);
Runtime.Expect(isPreviousSet, "previous validator slot is not set");
}
var entry = new ValidatorEntry()
{
address = from,
election = Runtime.Time,
type = type,
};
_validators.Set <BigInteger, ValidatorEntry>(index, entry);
if (type == ValidatorType.Primary)
{
var newValidators = GetValidatorCount(ValidatorType.Primary);
Runtime.Expect(newValidators > primaryValidators, "number of primary validators did not change");
}
else
if (type == ValidatorType.Secondary)
{
var newValidators = GetValidatorCount(ValidatorType.Secondary);
Runtime.Expect(newValidators > secondaryValidators, "number of secondary validators did not change");
}
Runtime.Notify(EventKind.ValidatorAdd, Runtime.Chain.Address, from);
}
