diff --git a/contracts/StakeManager.sol b/contracts/StakeManager.sol
index 35e45fd..b666394 100644
--- a/contracts/StakeManager.sol
+++ b/contracts/StakeManager.sol
@@ -9,6 +9,10 @@ contract StakeManager is ERC20 {
     address stakedToken;
     
     bytes32 vaultCodehash;
+    uint256 mp_supply = 0;
+    uint256 public constant MP_APY = 1; 
+    uint256 public constant STAKE_APY = 1; 
+    uint256 public constant MAX_BOOST = 1; 
 
     mapping (address => Account) account;
 
@@ -18,7 +22,7 @@ contract StakeManager is ERC20 {
     }
 
     function join(uint256 amount) external onlyVault {
-        stakedToken.transferFrom(msg.sender, )
+
     }
 
     function lock(uint256 amount, uint256 time) external onlyVault {
@@ -33,6 +37,14 @@ contract StakeManager is ERC20 {
 
     }
 
+    function getRewardsEmissions() public view returns(uint256){
+
+    }
+    
+
+    function increase_mp(uint256 amount) {
+        
+    }
 
 
 
diff --git a/contracts/StakeVault.sol b/contracts/StakeVault.sol
index 7bf0cc3..1936188 100644
--- a/contracts/StakeVault.sol
+++ b/contracts/StakeVault.sol
@@ -12,21 +12,21 @@ contract StakeVault {
     ERC20 stakedToken;
     uint256 balance;
     uint256 locked;
+    uint256 unlockTime;
+    uint256 lockedPeriod;
     uint256 multiplierPoints;
 
-    //uint256 constant FACTOR = 1; 
-    uint256 constant MP_APY = 1; 
-    uint256 constant MAX_MP = 1; 
-
     function join(uint256 amount) external {
-        stakedToken.transferFrom(msg.sender, address(this), amount);
+        _join(amount);
     }
 
     function lock(uint256 amount, uint256 time) external {
-        
+        _lock(amount,time);  
     }
 
     function joinAndLock(uint256 amount, uint256 time) external {
+        _join(amount);
+        _lock(amount,time);
 
     }
 
@@ -34,14 +34,41 @@ contract StakeVault {
 
     }
 
+    function getMaxMultiplierPoints() public view returns(uint256) {
+        return balance * (stakeManager.MAX_BOOST() + lockup + 1);
+    }
+
+    function _join(uint256 amount) internal {
+        stakedToken.transferFrom(msg.sender, address(this), amount);
+    }
+
+    function _lock(uint256 amount, uint256 time) internal {
+        require(time > 0, "Invalid lock time");
+        lockedPeriod = time;
+        unlockTime = now() + time;
+        locked = amount;
+        multiplierPoints += amount * (time + 1);
+    }
 
     function mintMultiplierPoints() internal {
         uint256 new_mp = multiplierPoints + (balance * stakeManager.MP_APY());
-        uint256 max_mp = stakeManager.MAX_MP();
+        uint256 max_mp = getMaxMultiplierPoints();
         multiplierPoints = new_mp > max_mp ? max_mp : new_mp;
     }
 
-
-
+    function distriuteRewards() internal {
+            uitn256 stakeApy = stakeManager.STAKE_APY()
+        
+            if(stakeApy > 0){
+                return stake_apy * (balance + multiplierPoints)
+            } else {
+                uint256 cs = balance + multiplierPoints
+                uint256 rewards = stakeManager.getRewardEmissions();
+                if(cs > 0){
+                    return = rewards * (balance + multiplierPoints) / cs
+                }
+            }
+                
+    }
 
 }
\ No newline at end of file