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);
if (stakeAmount > balance)
{
var diff = stakeAmount - balance;
throw new BalanceException("SOUL", from, diff);
balance = stakeAmount; // debug mode only, otherwise a exception will prevent it from reaching here
}
Runtime.Expect(balance >= stakeAmount, $"balance: {balance} stake: {stakeAmount} not enough balance to stake at " + from);
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);
_masterAgeMap.Set <Address, Timestamp>(from, Runtime.Time);
}
}