contracts-opt,arb,ftm

contracts/arbitrum/common/interfaces.sol

@@ -1,5 +1,6 @@
 //SPDX-License-Identifier: MIT
 pragma solidity ^0.7.0;
+pragma abicoder v2;
 
 interface TokenInterface {
     function approve(address, uint256) external;
@@ -26,3 +27,7 @@ interface AccountInterface {
     function disable(address) external;
     function isAuth(address) external view returns (bool);
 }
+
+interface InstaConnectors {
+    function isConnectors(string[] calldata) external returns (bool, address[] memory);
+}

contracts/arbitrum/connectors/swap/events.sol

@@ -0,0 +1,12 @@
+// SPDX-License-Identifier: MIT
+pragma solidity ^0.7.0;
+pragma abicoder v2;
+
+contract Events {
+	event LogSwapAggregator(
+		string[] connectors,
+		string connectorName,
+		string eventName,
+		bytes eventParam
+	);
+}

contracts/arbitrum/connectors/swap/helpers.sol

@@ -0,0 +1,44 @@
+//SPDX-License-Identifier: MIT
+pragma solidity ^0.7.0;
+pragma abicoder v2;
+
+import { InstaConnectors } from "../../common/interfaces.sol";
+
+contract SwapHelpers {
+	/**
+	 * @dev Instadapp Connectors Registry
+	 */
+	InstaConnectors internal constant instaConnectors =
+		InstaConnectors(0x67fCE99Dd6d8d659eea2a1ac1b8881c57eb6592B);
+
+	/**
+	 *@dev Swap using the dex aggregators.
+	 *@param _connectors name of the connectors in preference order.
+	 *@param _datas data for the swap cast.
+	 */
+	function _swap(string[] memory _connectors, bytes[] memory _datas)
+		internal
+		returns (
+			bool success,
+			bytes memory returnData,
+			string memory connector
+		)
+	{
+		uint256 _length = _connectors.length;
+		require(_length > 0, "zero-length-not-allowed");
+		require(_datas.length == _length, "calldata-length-invalid");
+
+		(bool isOk, address[] memory connectors) = instaConnectors.isConnectors(
+			_connectors
+		);
+		require(isOk, "connector-names-invalid");
+
+		for (uint256 i = 0; i < _length; i++) {
+			(success, returnData) = connectors[i].delegatecall(_datas[i]);
+			if (success) {
+				connector = _connectors[i];
+				break;
+			}
+		}
+	}
+}

contracts/arbitrum/connectors/swap/main.sol

@@ -0,0 +1,44 @@
+//SPDX-License-Identifier: MIT
+pragma solidity ^0.7.0;
+pragma experimental ABIEncoderV2;
+
+/**
+ * @title Swap.
+ * @dev Swap integration for DEX Aggregators.
+ */
+
+// import files
+import { SwapHelpers } from "./helpers.sol";
+import { Events } from "./events.sol";
+
+abstract contract Swap is SwapHelpers, Events {
+	/**
+	 * @dev Swap ETH/ERC20_Token using dex aggregators.
+	 * @notice Swap tokens from exchanges like 1INCH, 0x etc, with calculation done off-chain.
+	 * @param _connectors The name of the connectors like 1INCH-A, 0x etc, in order of their priority.
+	 * @param _datas Encoded function call data including function selector encoded with parameters.
+	 */
+	function swap(string[] memory _connectors, bytes[] memory _datas)
+		external
+		payable
+		returns (string memory _eventName, bytes memory _eventParam)
+	{
+		(bool success, bytes memory returnData, string memory connector) = _swap(
+			_connectors,
+			_datas
+		);
+
+		require(success, "swap-Aggregator-failed");
+		(string memory eventName, bytes memory eventParam) = abi.decode(
+			returnData,
+			(string, bytes)
+		);
+
+		_eventName = "LogSwapAggregator(string[],string,string,bytes)";
+		_eventParam = abi.encode(_connectors, connector, eventName, eventParam);
+	}
+}
+
+contract ConnectV2SwapAggregatorArbitrum is Swap {
+	string public name = "Swap-Aggregator-v1";
+}

contracts/fantom/common/interfaces.sol

@@ -1,5 +1,6 @@
 //SPDX-License-Identifier: MIT
 pragma solidity ^0.7.0;
+pragma abicoder v2;
 
 interface TokenInterface {
 	function approve(address, uint256) external;
@@ -34,3 +35,9 @@ interface AccountInterface {
 
 	function isAuth(address) external view returns (bool);
 }
+
+interface InstaConnectors {
+	function isConnectors(string[] calldata)
+		external
+		returns (bool, address[] memory);
+}

contracts/fantom/connectors/swap/events.sol

@@ -0,0 +1,12 @@
+// SPDX-License-Identifier: MIT
+pragma solidity ^0.7.0;
+pragma abicoder v2;
+
+contract Events {
+	event LogSwapAggregator(
+		string[] connectors,
+		string connectorName,
+		string eventName,
+		bytes eventParam
+	);
+}

contracts/fantom/connectors/swap/helpers.sol

@@ -0,0 +1,44 @@
+//SPDX-License-Identifier: MIT
+pragma solidity ^0.7.0;
+pragma abicoder v2;
+
+import { InstaConnectors } from "../../common/interfaces.sol";
+
+contract SwapHelpers {
+	/**
+	 * @dev Instadapp Connectors Registry
+	 */
+	InstaConnectors internal constant instaConnectors =
+		InstaConnectors(0x819910794a030403F69247E1e5C0bBfF1593B968);
+
+	/**
+	 *@dev Swap using the dex aggregators.
+	 *@param _connectors name of the connectors in preference order.
+	 *@param _datas data for the swap cast.
+	 */
+	function _swap(string[] memory _connectors, bytes[] memory _datas)
+		internal
+		returns (
+			bool success,
+			bytes memory returnData,
+			string memory connector
+		)
+	{
+		uint256 _length = _connectors.length;
+		require(_length > 0, "zero-length-not-allowed");
+		require(_datas.length == _length, "calldata-length-invalid");
+
+		(bool isOk, address[] memory connectors) = instaConnectors.isConnectors(
+			_connectors
+		);
+		require(isOk, "connector-names-invalid");
+
+		for (uint256 i = 0; i < _length; i++) {
+			(success, returnData) = connectors[i].delegatecall(_datas[i]);
+			if (success) {
+				connector = _connectors[i];
+				break;
+			}
+		}
+	}
+}

contracts/fantom/connectors/swap/main.sol

@@ -0,0 +1,44 @@
+//SPDX-License-Identifier: MIT
+pragma solidity ^0.7.0;
+pragma experimental ABIEncoderV2;
+
+/**
+ * @title Swap.
+ * @dev Swap integration for DEX Aggregators.
+ */
+
+// import files
+import { SwapHelpers } from "./helpers.sol";
+import { Events } from "./events.sol";
+
+abstract contract Swap is SwapHelpers, Events {
+	/**
+	 * @dev Swap ETH/ERC20_Token using dex aggregators.
+	 * @notice Swap tokens from exchanges like 1INCH, 0x etc, with calculation done off-chain.
+	 * @param _connectors The name of the connectors like 1INCH-A, 0x etc, in order of their priority.
+	 * @param _datas Encoded function call data including function selector encoded with parameters.
+	 */
+	function swap(string[] memory _connectors, bytes[] memory _datas)
+		external
+		payable
+		returns (string memory _eventName, bytes memory _eventParam)
+	{
+		(bool success, bytes memory returnData, string memory connector) = _swap(
+			_connectors,
+			_datas
+		);
+
+		require(success, "swap-Aggregator-failed");
+		(string memory eventName, bytes memory eventParam) = abi.decode(
+			returnData,
+			(string, bytes)
+		);
+
+		_eventName = "LogSwapAggregator(string[],string,string,bytes)";
+		_eventParam = abi.encode(_connectors, connector, eventName, eventParam);
+	}
+}
+
+contract ConnectV2SwapAggregatorFantom is Swap {
+	string public name = "Swap-Aggregator-v1";
+}

contracts/optimism/common/interfaces.sol

@@ -1,5 +1,6 @@
 //SPDX-License-Identifier: MIT
 pragma solidity ^0.7.0;
+pragma abicoder v2;
 
 interface TokenInterface {
     function approve(address, uint256) external;
@@ -23,3 +24,7 @@ interface AccountInterface {
     function disable(address) external;
     function isAuth(address) external view returns (bool);
 }
+
+interface InstaConnectors {
+    function isConnectors(string[] calldata) external returns (bool, address[] memory);
+}

contracts/optimism/connectors/swap/events.sol

@@ -0,0 +1,12 @@
+// SPDX-License-Identifier: MIT
+pragma solidity ^0.7.0;
+pragma abicoder v2;
+
+contract Events {
+	event LogSwapAggregator(
+		string[] connectors,
+		string connectorName,
+		string eventName,
+		bytes eventParam
+	);
+}

contracts/optimism/connectors/swap/helpers.sol

@@ -0,0 +1,44 @@
+//SPDX-License-Identifier: MIT
+pragma solidity ^0.7.0;
+pragma abicoder v2;
+
+import { InstaConnectors } from "../../common/interfaces.sol";
+
+contract SwapHelpers {
+	/**
+	 * @dev Instadapp Connectors Registry
+	 */
+	InstaConnectors internal constant instaConnectors =
+		InstaConnectors(0x127d8cD0E2b2E0366D522DeA53A787bfE9002C14);
+
+	/**
+	 *@dev Swap using the dex aggregators.
+	 *@param _connectors name of the connectors in preference order.
+	 *@param _datas data for the swap cast.
+	 */
+	function _swap(string[] memory _connectors, bytes[] memory _datas)
+		internal
+		returns (
+			bool success,
+			bytes memory returnData,
+			string memory connector
+		)
+	{
+		uint256 _length = _connectors.length;
+		require(_length > 0, "zero-length-not-allowed");
+		require(_datas.length == _length, "calldata-length-invalid");
+
+		(bool isOk, address[] memory connectors) = instaConnectors.isConnectors(
+			_connectors
+		);
+		require(isOk, "connector-names-invalid");
+
+		for (uint256 i = 0; i < _length; i++) {
+			(success, returnData) = connectors[i].delegatecall(_datas[i]);
+			if (success) {
+				connector = _connectors[i];
+				break;
+			}
+		}
+	}
+}

contracts/optimism/connectors/swap/main.sol

@@ -0,0 +1,44 @@
+//SPDX-License-Identifier: MIT
+pragma solidity ^0.7.0;
+pragma experimental ABIEncoderV2;
+
+/**
+ * @title Swap.
+ * @dev Swap integration for DEX Aggregators.
+ */
+
+// import files
+import { SwapHelpers } from "./helpers.sol";
+import { Events } from "./events.sol";
+
+abstract contract Swap is SwapHelpers, Events {
+	/**
+	 * @dev Swap ETH/ERC20_Token using dex aggregators.
+	 * @notice Swap tokens from exchanges like 1INCH, 0x etc, with calculation done off-chain.
+	 * @param _connectors The name of the connectors like 1INCH-A, 0x etc, in order of their priority.
+	 * @param _datas Encoded function call data including function selector encoded with parameters.
+	 */
+	function swap(string[] memory _connectors, bytes[] memory _datas)
+		external
+		payable
+		returns (string memory _eventName, bytes memory _eventParam)
+	{
+		(bool success, bytes memory returnData, string memory connector) = _swap(
+			_connectors,
+			_datas
+		);
+
+		require(success, "swap-Aggregator-failed");
+		(string memory eventName, bytes memory eventParam) = abi.decode(
+			returnData,
+			(string, bytes)
+		);
+
+		_eventName = "LogSwapAggregator(string[],string,string,bytes)";
+		_eventParam = abi.encode(_connectors, connector, eventName, eventParam);
+	}
+}
+
+contract ConnectV2SwapAggregatorOptimism is Swap {
+	string public name = "Swap-Aggregator-v1";
+}