Update LynxRootApplication to implement functions to better match the…

… requirements needed from a real TACoApplicatio contract.
nucypher · Sep 23, 2023 · 271652b · 271652b
1 parent 7e550c2
commit 271652b
Showing 1 changed file with 147 additions and 5 deletions.
diff --git a/contracts/contracts/testnet/LynxSet.sol b/contracts/contracts/testnet/LynxSet.sol
@@ -10,22 +10,164 @@ import "../coordination/ITACoChildToRoot.sol";
 import "../coordination/TACoChildApplication.sol";
 
 contract LynxRootApplication is Ownable, ITACoChildToRoot {
+    struct StakingProviderInfo {
+        address operator;
+        bool operatorConfirmed;
+        uint64 operatorStartTimestamp;
+        uint96 authorized;
+    }
+
+    uint96 public immutable minimumAuthorization = 40000000000000000000000;
+    uint256 public immutable minOperatorSeconds = 3600;
     ITACoRootToChild public childApplication;
+    mapping(address => StakingProviderInfo) public stakingProviderInfo;
+    address[] public stakingProviders;
+    mapping(address => address) internal _stakingProviderFromOperator;
 
     function setChildApplication(ITACoRootToChild _childApplication) external onlyOwner {
         childApplication = _childApplication;
     }
 
-    function updateOperator(address _stakingProvider, address _operator) external onlyOwner {
-        childApplication.updateOperator(_stakingProvider, _operator);
-    }
-
     function updateAuthorization(address _stakingProvider, uint96 _amount) external onlyOwner {
         childApplication.updateAuthorization(_stakingProvider, _amount);
     }
 
+    function confirmOperatorAddress(address _operator) external override {
+        address stakingProvider = _stakingProviderFromOperator[_operator];
+        if (stakingProvider == address(0)) {
+            return;
+        }
+        StakingProviderInfo storage info = stakingProviderInfo[stakingProvider];
+        if (!info.operatorConfirmed) {
+            info.operatorConfirmed = true;
+        }
+    }
+
+    //
+    // Required TACoApplication functions
+    //
+    function stakingProviderFromOperator(address _operator) public view returns (address) {
+        return _stakingProviderFromOperator[_operator];
+    }
+
+    function getOperatorFromStakingProvider(
+        address _stakingProvider
+    ) public view returns (address) {
+        return stakingProviderInfo[_stakingProvider].operator;
+    }
+
+    function getActiveStakingProviders(
+        uint256 _startIndex,
+        uint256 _maxStakingProviders
+    )
+        external
+        view
+        returns (uint256 allAuthorizedTokens, uint256[2][] memory activeStakingProviders)
+    {
+        uint256 endIndex = stakingProviders.length;
+        require(_startIndex < endIndex, "Wrong start index");
+        if (_maxStakingProviders != 0 && _startIndex + _maxStakingProviders < endIndex) {
+            endIndex = _startIndex + _maxStakingProviders;
+        }
+        activeStakingProviders = new uint256[2][](endIndex - _startIndex);
+        allAuthorizedTokens = 0;
+
+        uint256 resultIndex = 0;
+        for (uint256 i = _startIndex; i < endIndex; i++) {
+            address stakingProvider = stakingProviders[i];
+            StakingProviderInfo storage info = stakingProviderInfo[stakingProvider];
+            uint256 eligibleAmount = info.authorized;
+            activeStakingProviders[resultIndex][0] = uint256(uint160(stakingProvider));
+            activeStakingProviders[resultIndex++][1] = eligibleAmount;
+            allAuthorizedTokens += eligibleAmount;
+        }
+        assembly {
+            mstore(activeStakingProviders, resultIndex)
+        }
+    }
+
+    function isAuthorized(address _stakingProvider) public view returns (bool) {
+        return stakingProviderInfo[_stakingProvider].authorized > 0;
+    }
+
+    function authorizedStake(address _stakingProvider) public view returns (uint96) {
+        return stakingProviderInfo[_stakingProvider].authorized;
+    }
+
+    function isOperatorConfirmed(address _operator) public view returns (bool) {
+        address stakingProvider = _stakingProviderFromOperator[_operator];
+        StakingProviderInfo storage info = stakingProviderInfo[stakingProvider];
+        return info.operatorConfirmed;
+    }
+
+    function getStakingProvidersLength() external view returns (uint256) {
+        return stakingProviders.length;
+    }
+
+    function bondOperator(address _stakingProvider, address _operator) external onlyOwner {
+        StakingProviderInfo storage info = stakingProviderInfo[_stakingProvider];
+        address previousOperator = info.operator;
+        require(
+            _operator != previousOperator,
+            "Specified operator is already bonded with this provider"
+        );
+        // If this staker had a operator ...
+        if (previousOperator != address(0)) {
+            // Remove the old relation "operator->stakingProvider"
+            _stakingProviderFromOperator[previousOperator] = address(0);
+        }
+
+        if (_operator != address(0)) {
+            require(
+                _stakingProviderFromOperator[_operator] == address(0),
+                "Specified operator is already in use"
+            );
+            // Set new operator->stakingProvider relation
+            _stakingProviderFromOperator[_operator] = _stakingProvider;
+        }
+
+        if (info.operatorStartTimestamp == 0) {
+            stakingProviders.push(_stakingProvider);
+        }
+
+        // Bond new operator (or unbond if _operator == address(0))
+        info.operator = _operator;
+        info.operatorStartTimestamp = uint64(block.timestamp);
+        info.operatorConfirmed = false;
+        if (address(childApplication) != address(0)) {
+            childApplication.updateOperator(_stakingProvider, _operator);
+        }
+    }
+
+    //
+    // Remaining IApplication functions
+    //
+
     // solhint-disable-next-line no-empty-blocks
-    function confirmOperatorAddress(address _operator) external override {}
+    function withdrawRewards(address stakingProvider) external {}
+
+    function authorizationIncreased(
+        address _stakingProvider,
+        uint96 _fromAmount,
+        uint96 _toAmount // solhint-disable-next-line no-empty-blocks
+    ) external {}
+
+    function authorizationDecreaseRequested(
+        address stakingProvider,
+        uint96 fromAmount,
+        uint96 toAmount // solhint-disable-next-line no-empty-blocks
+    ) external {}
+
+    function involuntaryAuthorizationDecrease(
+        address stakingProvider,
+        uint96 fromAmount,
+        uint96 toAmount // solhint-disable-next-line no-empty-blocks
+    ) external {}
+
+    // solhint-disable-next-line no-unused-vars
+    function availableRewards(address stakingProvider) external view returns (uint96) {
+        return 0;
+    }
 }
 
 contract LynxTACoChildApplication is TACoChildApplication, Ownable {