Tasks: Implement socket bridger (#162)

packages/tasks/contracts/bridge/SocketBridger.sol

@@ -0,0 +1,91 @@
+// SPDX-License-Identifier: GPL-3.0-or-later
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+pragma solidity ^0.8.0;
+
+import '@mimic-fi/v3-connectors/contracts/interfaces/socket/ISocketConnector.sol';
+
+import './BaseBridgeTask.sol';
+import '../interfaces/bridge/ISocketBridger.sol';
+
+/**
+ * @title Socket bridger
+ * @dev Task that extends the base bridge task to use Socket
+ */
+contract SocketBridger is ISocketBridger, BaseBridgeTask {
+    using FixedPoint for uint256;
+
+    // Execution type for relayers
+    bytes32 public constant override EXECUTION_TYPE = keccak256('SOCKET_BRIDGER');
+
+    /**
+     * @dev Socket bridge config. Only used in the initializer.
+     */
+    struct SocketBridgeConfig {
+        BaseBridgeConfig baseBridgeConfig;
+    }
+
+    /**
+     * @dev Initializes the Socket bridger
+     * @param config Socket bridge config
+     */
+    function initialize(SocketBridgeConfig memory config) external virtual initializer {
+        __SocketBridger_init(config);
+    }
+
+    /**
+     * @dev Initializes the Socket bridger. It does call upper contracts initializers.
+     * @param config Socket bridge config
+     */
+    function __SocketBridger_init(SocketBridgeConfig memory config) internal onlyInitializing {
+        __BaseBridgeTask_init(config.baseBridgeConfig);
+        __SocketBridger_init_unchained(config);
+    }
+
+    /**
+     * @dev Initializes the Socket bridger. It does not call upper contracts initializers.
+     * @param config Socket bridge config
+     */
+    function __SocketBridger_init_unchained(SocketBridgeConfig memory config) internal onlyInitializing {
+        // solhint-disable-previous-line no-empty-blocks
+    }
+
+    /**
+     * @dev Execute Socket bridger
+     */
+    function call(address token, uint256 amount, bytes memory data) external override authP(authParams(token, amount)) {
+        if (amount == 0) amount = getTaskAmount(token);
+        _beforeSocketBridger(token, amount);
+
+        bytes memory connectorData = abi.encodeWithSelector(ISocketConnector.execute.selector, token, amount, data);
+        ISmartVault(smartVault).execute(connector, connectorData);
+        _afterSocketBridger(token, amount);
+    }
+
+    /**
+     * @dev Before Socket bridger hook
+     */
+    function _beforeSocketBridger(address token, uint256 amount) internal virtual {
+        // Socket does not support specifying slippage nor fee
+        _beforeBaseBridgeTask(token, amount, 0, 0);
+    }
+
+    /**
+     * @dev After Socket bridger task hook
+     */
+    function _afterSocketBridger(address token, uint256 amount) internal virtual {
+        // Socket does not support specifying slippage nor fee
+        _afterBaseBridgeTask(token, amount, 0, 0);
+    }
+}

packages/tasks/contracts/interfaces/bridge/ISocketBridger.sol

@@ -0,0 +1,27 @@
+// SPDX-License-Identifier: GPL-3.0-or-later
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+pragma solidity >=0.8.0;
+
+import './IBaseBridgeTask.sol';
+
+/**
+ * @dev Socket bridger task interface
+ */
+interface ISocketBridger is IBaseBridgeTask {
+    /**
+     * @dev Execute Socket bridger task
+     */
+    function call(address token, uint256 amount, bytes memory data) external;
+}

packages/tasks/contracts/swap/OneInchV5Swapper.sol

@@ -69,8 +69,8 @@ contract OneInchV5Swapper is IOneInchV5Swapper, BaseSwapTask {
      */
     function call(address tokenIn, uint256 amountIn, uint256 slippage, bytes memory data)
         external
-        override
         virtual
+        override
         authP(authParams(tokenIn, amountIn, slippage))
     {
         if (amountIn == 0) amountIn = getTaskAmount(tokenIn);

packages/tasks/contracts/test/bridge/SocketConnectorMock.sol

@@ -0,0 +1,23 @@
+// SPDX-License-Identifier: GPL-3.0-or-later
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+pragma solidity ^0.8.0;
+
+contract SocketConnectorMock {
+    event LogExecute(address token, uint256 amount, bytes data);
+
+    function execute(address token, uint256 amount, bytes memory data) external {
+        emit LogExecute(token, amount, data);
+    }
+}

packages/tasks/package.json

@@ -23,7 +23,7 @@
   },
   "dependencies": {
     "@mimic-fi/v3-authorizer": "0.1.1",
-    "@mimic-fi/v3-connectors": "0.2.3",
+    "@mimic-fi/v3-connectors": "0.2.4",
     "@mimic-fi/v3-helpers": "0.1.9",
     "@mimic-fi/v3-price-oracle": "0.1.0",
     "@mimic-fi/v3-smart-vault": "0.1.0",