public void Stake(Address from, BigInteger stakeAmount)
{
Runtime.Expect(stakeAmount >= MinimumValidStake, "invalid amount");
Runtime.Expect(Runtime.IsWitness(from), "witness failed");
var balance = Runtime.GetBalance(DomainSettings.StakingTokenSymbol, from);
var currentStake = _stakes.Get <Address, EnergyAction>(from);
var newStake = stakeAmount + currentStake.totalAmount;
Runtime.Expect(balance >= stakeAmount, "not enough balance");
Runtime.Expect(Runtime.TransferTokens(DomainSettings.StakingTokenSymbol, from, this.Address, stakeAmount), "stake transfer failed");
var entry = new EnergyAction()
{
unclaimedPartials = stakeAmount + GetLastAction(from).unclaimedPartials,
totalAmount = newStake,
timestamp = this.Runtime.Time,
};
_stakes.Set(from, entry);
var logEntry = new VotingLogEntry()
{
timestamp = this.Runtime.Time,
amount = stakeAmount
};
var votingLogbook = _voteHistory.Get <Address, StorageList>(from);
votingLogbook.Add(logEntry);
var masterAccountThreshold = GetMasterThreshold();
if (Runtime.Nexus.GenesisAddress != from && newStake >= masterAccountThreshold && !IsMaster(from))
{
var nextClaim = GetMasterClaimDate(2);
_mastersList.Add(new EnergyMaster()
{
address = from, claimDate = nextClaim
});
Runtime.Notify(EventKind.RolePromote, from, new RoleEventData()
{
role = "master", date = nextClaim
});
}
Runtime.Notify(EventKind.TokenStake, from, new TokenEventData()
{
chainAddress = this.Address, symbol = DomainSettings.StakingTokenSymbol, value = stakeAmount
});
}
private BigInteger CalculateEntryVotingPower(VotingLogEntry entry, Timestamp currentTime)
{
BigInteger baseMultiplier = 100;
BigInteger votingMultiplier = baseMultiplier;
var diff = (currentTime - entry.timestamp) / 86400;
var votingBonus = diff < MaxVotingPowerBonus ? diff : MaxVotingPowerBonus;
votingMultiplier += DailyVotingBonus * votingBonus;
var votingPower = (entry.amount * votingMultiplier) / 100;
return(votingPower);
}
public void Stake(Address from, BigInteger stakeAmount)
{
Runtime.Expect(stakeAmount >= MinimumValidStake, "invalid amount");
Runtime.Expect(Runtime.IsWitness(from), "witness failed");
var balance = Runtime.GetBalance(DomainSettings.StakingTokenSymbol, from);
Runtime.Expect(balance >= stakeAmount, "not enough balance");
Runtime.TransferTokens(DomainSettings.StakingTokenSymbol, from, this.Address, stakeAmount);
EnergyStake stake;
if (_stakeMap.ContainsKey <Address>(from))
{
stake = _stakeMap.Get <Address, EnergyStake>(from);
}
else
{
stake = new EnergyStake()
{
stakeTime = new Timestamp(0),
stakeAmount = 0,
};
}
stake.stakeTime = Runtime.Time;
stake.stakeAmount += stakeAmount;
_stakeMap.Set <Address, EnergyStake>(from, stake);
Runtime.AddMember(DomainSettings.StakersOrganizationName, this.Address, from);
var claimList = _claimMap.Get <Address, StorageList>(from);
var claimEntry = new EnergyClaim()
{
stakeAmount = stakeAmount,
claimDate = this.Runtime.Time,
isNew = true,
};
claimList.Add(claimEntry);
var logEntry = new VotingLogEntry()
{
timestamp = this.Runtime.Time,
amount = stakeAmount
};
var votingLogbook = _voteHistory.Get <Address, StorageList>(from);
votingLogbook.Add(logEntry);
// masters membership
var masterAccountThreshold = GetMasterThreshold();
if (stake.stakeAmount >= masterAccountThreshold && !IsMaster(from))
{
var nextClaim = GetMasterClaimDate(2);
Runtime.AddMember(DomainSettings.MastersOrganizationName, this.Address, from);
_masterClaims.Set <Address, Timestamp>(from, nextClaim);
}
}