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Initial MP mint repaired

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- Now, MPs are minted on the newly staked amount only (previously was entire stake).
- The bonus MPs are calculated correctly such that there is a 1x bonus per year of lock.
- Still TBD: MPs are not minted  for existing stake if current lock extended (or newly introduced), there is no check for max boost MP ceiling
This commit is contained in:
Martin Strobl 2023-07-11 11:56:34 +02:00
parent 24e59ff4a8
commit fe5cd4b517
1 changed files with 5 additions and 4 deletions
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9
contracts/StakeManager.sol
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@ -24,9 +24,10 @@ contract StakeManager is Ownable {
}
uint256 public constant EPOCH_SIZE = 1 weeks;
uint256 public constant YEAR = 365 days;
uint256 public constant MP_APY = 1;
uint256 public constant STAKE_APY = 1;
uint256 public constant MAX_BOOST = 1;
uint256 public constant MAX_BOOST = 4;
uint256 public constant MAX_MP = 1;
mapping (address => Account) accounts;
@ -62,7 +63,7 @@ contract StakeManager is Ownable {
processAccount(account, currentEpoch);
account.balance += _amount;
account.rewardAddress = StakeVault(msg.sender).owner();
mintIntialMultiplier(account, _time);
mintIntialMultiplier(account, _time, _amount);
stakeSupply += _amount;
}
@ -199,11 +200,11 @@ contract StakeManager is Ownable {
multiplierSupply += increasedMultiplier;
}
function mintIntialMultiplier(Account storage account, uint256 lockTime) private {
function mintIntialMultiplier(Account storage account, uint256 lockTime, uint256 amount) private {
//if balance still locked, multipliers must be minted from difference of time.
uint256 dT = account.lockUntil > block.timestamp ? block.timestamp + lockTime - account.lockUntil : lockTime;
account.lockUntil = block.timestamp + lockTime;
uint256 increasedMultiplier = account.balance * (dT+1); //dT+1 could be replaced by requiring that dT is > 0, as it wouldnt matter 1 second locked.
uint256 increasedMultiplier = amount * ((dT/YEAR)+1);
account.lastMint = block.timestamp;
account.multiplier += increasedMultiplier;
multiplierSupply += increasedMultiplier;