feat: PIP-42 change token to POL

contracts/staking/stakeManager/IStakeManager.sol

@@ -2,46 +2,23 @@ pragma solidity 0.5.17;
 
 contract IStakeManager {
     // validator replacement
-    function startAuction(
-        uint256 validatorId,
-        uint256 amount,
-        bool acceptDelegation,
-        bytes calldata signerPubkey
-    ) external;
+    function startAuction(uint256 validatorId, uint256 amount, bool acceptDelegation, bytes calldata signerPubkey) external;
 
     function confirmAuctionBid(uint256 validatorId, uint256 heimdallFee) external;
 
-    function transferFunds(
-        uint256 validatorId,
-        uint256 amount,
-        address delegator
-    ) external returns (bool);
+    function transferFunds(uint256 validatorId, uint256 amount, address delegator) external returns (bool);
 
-    function delegationDeposit(
-        uint256 validatorId,
-        uint256 amount,
-        address delegator
-    ) external returns (bool);
+    function delegationDeposit(uint256 validatorId, uint256 amount, address delegator) external returns (bool);
 
     function unstake(uint256 validatorId) external;
 
     function totalStakedFor(address addr) external view returns (uint256);
 
-    function stakeFor(
-        address user,
-        uint256 amount,
-        uint256 heimdallFee,
-        bool acceptDelegation,
-        bytes memory signerPubkey
-    ) public;
+    function stakeFor(address user, uint256 amount, uint256 heimdallFee, bool acceptDelegation, bytes memory signerPubkey) public;
 
-    function checkSignatures(
-        uint256 blockInterval,
-        bytes32 voteHash,
-        bytes32 stateRoot,
-        address proposer,
-        uint[3][] calldata sigs
-    ) external returns (uint256);
+    function checkSignatures(uint256 blockInterval, bytes32 voteHash, bytes32 stateRoot, address proposer, uint256[3][] calldata sigs)
+        external
+        returns (uint256);
 
     function updateValidatorState(uint256 validatorId, int256 amount) public;
 
@@ -57,13 +34,13 @@ contract IStakeManager {
 
     function withdrawalDelay() public view returns (uint256);
 
-    function delegatedAmount(uint256 validatorId) public view returns(uint256);
+    function delegatedAmount(uint256 validatorId) public view returns (uint256);
 
     function decreaseValidatorDelegatedAmount(uint256 validatorId, uint256 amount) public;
 
-    function withdrawDelegatorsReward(uint256 validatorId) public returns(uint256);
+    function withdrawDelegatorsReward(uint256 validatorId) public returns (uint256);
 
-    function delegatorsReward(uint256 validatorId) public view returns(uint256);
+    function delegatorsReward(uint256 validatorId) public view returns (uint256);
 
     function dethroneAndStake(
         address auctionUser,
@@ -73,4 +50,9 @@ contract IStakeManager {
         bool acceptDelegation,
         bytes calldata signerPubkey
     ) external;
+
+    // @note MATIC POL conversion ⬇️
+
+    function transferFundsLegacy(uint256 validatorId, uint256 amount, address delegator) external returns (bool);
+    function delegationDepositLegacy(uint256 validatorId, uint256 amount, address delegator) external returns (bool);
 }