Create proposal and interfaces

src/ExampleProposal.sol

@@ -1,7 +0,0 @@
-// SPDX-License-Identifier: MIT
-
-pragma solidity ^0.8.19;
-
-contract ExampleProposal {
-    function executeProposal() public { /* ... */ }
-}

src/Proposal.sol

@@ -0,0 +1,50 @@
+// SPDX-License-Identifier: MIT
+
+pragma solidity ^0.8.19;
+
+import { IStakingRewards } from "@interfaces/IStakingRewards.sol";
+import { IRelayerRegistry } from "@interfaces/IRelayerRegistry.sol";
+
+contract PenalisationProposal {
+    address constant _registryAddress = 0x58E8dCC13BE9780fC42E8723D8EaD4CF46943dF2;
+    address constant _stakingAddress = 0x5B3f656C80E8ddb9ec01Dd9018815576E9238c29;
+
+    function getCheatingRelayersBalanceSum(address[7] memory cheatingRelayers) public returns (uint256) {
+        uint256 balanceSum;
+        for (uint8 i = 0; i < cheatingRelayers.length; i++) {
+            balanceSum += IRelayerRegistry(_registryAddress).getRelayerBalance(cheatingRelayers[i]);
+        }
+
+        return balanceSum;
+    }
+
+    function nullifyRelayersBalance(address[7] memory cheatingRelayers) internal {
+        IRelayerRegistry relayerRegistry = IRelayerRegistry(_registryAddress);
+
+        for (uint8 i = 0; i < cheatingRelayers.length; i++) {
+            relayerRegistry.nullifyBalance(cheatingRelayers[i]);
+        }
+    }
+
+    function executeProposal() public {
+        address[7] memory cheatingRelayers = [
+            0x5007565e69E5c23C278c2e976beff38eF4D27B3d, // official-tornado.eth
+            0x065f2A0eF62878e8951af3c387E4ddC944f1B8F4, // 0xtorn365.eth
+            0x18F516dD6D5F46b2875Fd822B994081274be2a8b, // torn69.eth
+            0x30F96AEF199B399B722F8819c9b0723016CEAe6C, // moon-relayer.eth
+            0xa42303EE9B2eC1DB7E2a86Ed6C24AF7E49E9e8B9, // relayer-tornado.eth
+            0x2ffAc4D796261ba8964d859867592B952b9FC158, // safe-tornado.eth
+            0xCEdac436cEA98E93F471331eCC693fF41D730921 // relayer-secure.eth
+        ];
+
+        uint256 nullifiedTotalAmount = getCheatingRelayersBalanceSum(cheatingRelayers);
+
+        nullifyRelayersBalance(cheatingRelayers);
+
+        IStakingRewards(_stakingAddress).withdrawTorn(nullifiedTotalAmount);
+
+        // Burn compensation from cheating relayer abracadabra-money-gone.eth - 67.8 TORN
+        // https://etherscan.io/tx/0xdb15a8bbb808cdbe88883fcc99d5aeab84ae544cdb51c2b5acdd8e9489c0e418
+        IStakingRewards(_stakingAddress).addBurnRewards(678 * 1e17);
+    }
+}

src/interfaces/IGnosisSafe.sol

@@ -1,84 +0,0 @@
-// SPDX-License-Identifier: MIT
-
-pragma solidity ^0.8.19;
-
-interface IGnosisSafe {
-    enum Operation {
-        Call,
-        DelegateCall
-    }
-
-    function NAME() external view returns (string memory);
-
-    function VERSION() external view returns (string memory);
-
-    function nonce() external view returns (uint256);
-
-    function domainSeparator() external view returns (bytes32);
-
-    function signedMessages(bytes32) external view returns (uint256);
-
-    function approvedHashes(address, bytes32) external view returns (uint256);
-
-    function setup(
-        address[] calldata _owners,
-        uint256 _threshold,
-        address to,
-        bytes calldata data,
-        address fallbackHandler,
-        address paymentToken,
-        uint256 payment,
-        address payable paymentReceiver
-    ) external;
-
-    function execTransaction(
-        address to,
-        uint256 value,
-        bytes calldata data,
-        Operation operation,
-        uint256 safeTxGas,
-        uint256 baseGas,
-        uint256 gasPrice,
-        address gasToken,
-        address payable refundReceiver,
-        bytes calldata signatures
-    ) external returns (bool success);
-
-    function requiredTxGas(address to, uint256 value, bytes calldata data, Operation operation)
-        external
-        returns (uint256);
-
-    function approveHash(bytes32 hashToApprove) external;
-
-    function signMessage(bytes calldata _data) external;
-
-    function isValidSignature(bytes calldata _data, bytes calldata _signature) external returns (bytes4);
-
-    function getMessageHash(bytes memory message) external view returns (bytes32);
-
-    function encodeTransactionData(
-        address to,
-        uint256 value,
-        bytes memory data,
-        Operation operation,
-        uint256 safeTxGas,
-        uint256 baseGas,
-        uint256 gasPrice,
-        address gasToken,
-        address refundReceiver,
-        uint256 _nonce
-    ) external view returns (bytes memory);
-
-    function getTransactionHash(
-        address to,
-        uint256 value,
-        bytes memory data,
-        Operation operation,
-        uint256 safeTxGas,
-        uint256 baseGas,
-        uint256 gasPrice,
-        address gasToken,
-        address refundReceiver,
-        uint256 _nonce
-    ) external view returns (bytes32);
-}

src/interfaces/IGovernance.sol

@@ -43,6 +43,7 @@ interface IGovernance {
     function VOTING_PERIOD() external view returns (uint256);
     function CLOSING_PERIOD() external view returns (uint256);
     function VOTE_EXTEND_TIME() external view returns (uint256);
+    function userVault() external view returns (address);
     function torn() external view returns (address);
     function proposals(uint256 index) external view returns (Proposal memory);
     function lockedBalance(address account) external view returns (uint256);

src/interfaces/IRelayerRegistry.sol

@@ -0,0 +1,9 @@
+// SPDX-License-Identifier: MIT
+
+pragma solidity ^0.8.19;
+
+interface IRelayerRegistry {
+    function getRelayerBalance(address relayer) external returns (uint256);
+
+    function nullifyBalance(address relayer) external;
+}

src/interfaces/IStakingRewards.sol

@@ -0,0 +1,11 @@
+// SPDX-License-Identifier: MIT
+
+pragma solidity ^0.8.19;
+
+interface IStakingRewards {
+    function withdrawTorn(uint256 amount) external;
+
+    function addBurnRewards(uint256 amount) external;
+
+    function checkReward(address account) external view returns (uint256);
+}