Merge pull request #220 from Richa-iitr/aaveV3-import-permit-fix

AaveV3 import permit with collateral

contracts/arbitrum/connectors/aave/v3-import-permit/events.sol

@@ -12,4 +12,14 @@ contract Events {
 		uint256[] supplyAmts,
 		uint256[] borrowAmts
 	);
+	event LogAaveV3ImportWithPermitAndCollateral(
+		address indexed user,
+		address[] atokens,
+		string[] supplyIds,
+		string[] borrowIds,
+		uint256[] flashLoanFees,
+		uint256[] supplyAmts,
+		uint256[] borrowAmts,
+		bool[] enableCollateral
+	);
 }

contracts/arbitrum/connectors/aave/v3-import-permit/helpers.sol

@@ -279,6 +279,34 @@ contract AaveHelpers is Helper {
 		}
 	}
 
+	function _TransferAtokensWithCollateral(
+		uint256 _length,
+		AaveInterface aave,
+		ATokenInterface[] memory atokenContracts,
+		uint256[] memory amts,
+		address[] memory tokens,
+		bool[] memory colEnable,
+		address userAccount
+	) internal {
+		for (uint256 i = 0; i < _length; i++) {
+			if (amts[i] > 0) {
+				uint256 _amt = amts[i];
+				require(
+					atokenContracts[i].transferFrom(
+						userAccount,
+						address(this),
+						_amt
+					),
+					"allowance?"
+				);
+
+				if (!getIsColl(tokens[i], address(this))) {
+					aave.setUserUseReserveAsCollateral(tokens[i], colEnable[i]);
+				}
+			}
+		}
+	}
+
 	function _BorrowVariable(
 		uint256 _length,
 		AaveInterface aave,

contracts/arbitrum/connectors/aave/v3-import-permit/main.sol

@@ -103,6 +103,102 @@ contract AaveV3ImportPermitResolver is AaveHelpers {
 		);
 	}
 
+	function _importAaveWithCollateral(
+		address userAccount,
+		ImportInputData memory inputData,
+		SignedPermits memory permitData,
+		bool[] memory enableCollateral
+	) internal returns (string memory _eventName, bytes memory _eventParam) {
+		require(
+			AccountInterface(address(this)).isAuth(userAccount),
+			"user-account-not-auth"
+		);
+
+		require(inputData.supplyTokens.length > 0, "0-length-not-allowed");
+		require(enableCollateral.length == inputData.supplyTokens.length, "supplytokens-enableCol-len-not-same");
+
+		ImportData memory data;
+
+		AaveInterface aave = AaveInterface(aaveProvider.getPool());
+
+		data = getBorrowAmounts(userAccount, aave, inputData, data);
+		data = getSupplyAmounts(userAccount, inputData, data);
+
+		//  payback borrowed amount;
+		_PaybackStable(
+			data._borrowTokens.length,
+			aave,
+			data._borrowTokens,
+			data.stableBorrowAmts,
+			userAccount
+		);
+		_PaybackVariable(
+			data._borrowTokens.length,
+			aave,
+			data._borrowTokens,
+			data.variableBorrowAmts,
+			userAccount
+		);
+
+		//permit this address to transfer aTokens
+		_PermitATokens(
+			userAccount,
+			data.aTokens,
+			data._supplyTokens,
+			permitData.v,
+			permitData.r,
+			permitData.s,
+			permitData.expiry
+		);
+
+		//  transfer atokens to this address;
+		_TransferAtokensWithCollateral(
+			data._supplyTokens.length,
+			aave,
+			data.aTokens,
+			data.supplyAmts,
+			data._supplyTokens,
+			enableCollateral,
+			userAccount
+		);
+
+		// borrow assets after migrating position
+		if (data.convertStable) {
+			_BorrowVariable(
+				data._borrowTokens.length,
+				aave,
+				data._borrowTokens,
+				data.totalBorrowAmtsWithFee
+			);
+		} else {
+			_BorrowStable(
+				data._borrowTokens.length,
+				aave,
+				data._borrowTokens,
+				data.stableBorrowAmtsWithFee
+			);
+			_BorrowVariable(
+				data._borrowTokens.length,
+				aave,
+				data._borrowTokens,
+				data.variableBorrowAmtsWithFee
+			);
+		}
+
+		_eventName = "LogAaveV3ImportWithPermitAndCollateral(address,bool,address[],address[],uint256[],uint256[],uint256[],uint256[],bool[])";
+		_eventParam = abi.encode(
+			userAccount,
+			inputData.convertStable,
+			inputData.supplyTokens,
+			inputData.borrowTokens,
+			inputData.flashLoanFees,
+			data.supplyAmts,
+			data.stableBorrowAmts,
+			data.variableBorrowAmts,
+			enableCollateral
+		);
+	}
+
 	/**
 	 * @dev Import aave V3 position .
 	 * @notice Import EOA's aave V3 position to DSA's aave v3 position
@@ -125,8 +221,34 @@ contract AaveV3ImportPermitResolver is AaveHelpers {
 			permitData
 		);
 	}
+
+	/**
+	 * @dev Import aave V3 position (with collateral).
+	 * @notice Import EOA's aave V3 position to DSA's aave v3 position
+	 * @param userAccount The address of the EOA from which aave position will be imported
+	 * @param inputData The struct containing all the neccessary input data
+	 * @param permitData The struct containing signed permit data like v,r,s,expiry
+	 * @param enableCollateral The boolean array to enable selected collaterals in the imported position
+	 */
+	function importAaveWithCollateral(
+		address userAccount,
+		ImportInputData memory inputData,
+		SignedPermits memory permitData,
+		bool[] memory enableCollateral
+	)
+		external
+		payable
+		returns (string memory _eventName, bytes memory _eventParam)
+	{
+		(_eventName, _eventParam) = _importAaveWithCollateral(
+			userAccount,
+			inputData,
+			permitData,
+			enableCollateral
+		);
+	}
 }
 
 contract ConnectV2AaveV3ImportPermitArbitrum is AaveV3ImportPermitResolver {
-	string public constant name = "Aave-v3-import-permit-v1";
+	string public constant name = "Aave-v3-import-permit-v1.1";
 }

contracts/avalanche/connectors/aave/v3-import-permit/events.sol

@@ -12,4 +12,14 @@ contract Events {
 		uint256[] supplyAmts,
 		uint256[] borrowAmts
 	);
+	event LogAaveV3ImportWithPermitAndCollateral(
+		address indexed user,
+		address[] atokens,
+		string[] supplyIds,
+		string[] borrowIds,
+		uint256[] flashLoanFees,
+		uint256[] supplyAmts,
+		uint256[] borrowAmts,
+		bool[] enableCollateral
+	);
 }

contracts/avalanche/connectors/aave/v3-import-permit/helpers.sol

@@ -281,6 +281,34 @@ contract AaveHelpers is Helper {
 		}
 	}
 
+	function _TransferAtokensWithCollateral(
+		uint256 _length,
+		AaveInterface aave,
+		ATokenInterface[] memory atokenContracts,
+		uint256[] memory amts,
+		address[] memory tokens,
+		bool[] memory colEnable,
+		address userAccount
+	) internal {
+		for (uint256 i = 0; i < _length; i++) {
+			if (amts[i] > 0) {
+				uint256 _amt = amts[i];
+				require(
+					atokenContracts[i].transferFrom(
+						userAccount,
+						address(this),
+						_amt
+					),
+					"allowance?"
+				);
+
+				if (!getIsColl(tokens[i], address(this))) {
+					aave.setUserUseReserveAsCollateral(tokens[i], colEnable[i]);
+				}
+			}
+		}
+	}
+
 	function _BorrowVariable(
 		uint256 _length,
 		AaveInterface aave,

contracts/avalanche/connectors/aave/v3-import-permit/main.sol

@@ -103,6 +103,102 @@ contract AaveV3ImportPermitResolver is AaveHelpers {
 		);
 	}
 
+	function _importAaveWithCollateral(
+		address userAccount,
+		ImportInputData memory inputData,
+		SignedPermits memory permitData,
+		bool[] memory enableCollateral
+	) internal returns (string memory _eventName, bytes memory _eventParam) {
+		require(
+			AccountInterface(address(this)).isAuth(userAccount),
+			"user-account-not-auth"
+		);
+
+		require(inputData.supplyTokens.length > 0, "0-length-not-allowed");
+		require(enableCollateral.length == inputData.supplyTokens.length, "supplytokens-enableCol-len-not-same");
+
+		ImportData memory data;
+
+		AaveInterface aave = AaveInterface(aaveProvider.getPool());
+
+		data = getBorrowAmounts(userAccount, aave, inputData, data);
+		data = getSupplyAmounts(userAccount, inputData, data);
+
+		//  payback borrowed amount;
+		_PaybackStable(
+			data._borrowTokens.length,
+			aave,
+			data._borrowTokens,
+			data.stableBorrowAmts,
+			userAccount
+		);
+		_PaybackVariable(
+			data._borrowTokens.length,
+			aave,
+			data._borrowTokens,
+			data.variableBorrowAmts,
+			userAccount
+		);
+
+		//permit this address to transfer aTokens
+		_PermitATokens(
+			userAccount,
+			data.aTokens,
+			data._supplyTokens,
+			permitData.v,
+			permitData.r,
+			permitData.s,
+			permitData.expiry
+		);
+
+		//  transfer atokens to this address;
+		_TransferAtokensWithCollateral(
+			data._supplyTokens.length,
+			aave,
+			data.aTokens,
+			data.supplyAmts,
+			data._supplyTokens,
+			enableCollateral,
+			userAccount
+		);
+
+		// borrow assets after migrating position
+		if (data.convertStable) {
+			_BorrowVariable(
+				data._borrowTokens.length,
+				aave,
+				data._borrowTokens,
+				data.totalBorrowAmtsWithFee
+			);
+		} else {
+			_BorrowStable(
+				data._borrowTokens.length,
+				aave,
+				data._borrowTokens,
+				data.stableBorrowAmtsWithFee
+			);
+			_BorrowVariable(
+				data._borrowTokens.length,
+				aave,
+				data._borrowTokens,
+				data.variableBorrowAmtsWithFee
+			);
+		}
+
+		_eventName = "LogAaveV3ImportWithPermitAndCollateral(address,bool,address[],address[],uint256[],uint256[],uint256[],uint256[],bool[])";
+		_eventParam = abi.encode(
+			userAccount,
+			inputData.convertStable,
+			inputData.supplyTokens,
+			inputData.borrowTokens,
+			inputData.flashLoanFees,
+			data.supplyAmts,
+			data.stableBorrowAmts,
+			data.variableBorrowAmts,
+			enableCollateral
+		);
+	}
+
 	/**
 	 * @dev Import aave V3 position .
 	 * @notice Import EOA's aave V3 position to DSA's aave v3 position
@@ -125,8 +221,34 @@ contract AaveV3ImportPermitResolver is AaveHelpers {
 			permitData
 		);
 	}
+
+	/**
+	 * @dev Import aave V3 position (with collateral).
+	 * @notice Import EOA's aave V3 position to DSA's aave v3 position
+	 * @param userAccount The address of the EOA from which aave position will be imported
+	 * @param inputData The struct containing all the neccessary input data
+	 * @param permitData The struct containing signed permit data like v,r,s,expiry
+	 * @param enableCollateral The boolean array to enable selected collaterals in the imported position
+	 */
+	function importAaveWithCollateral(
+		address userAccount,
+		ImportInputData memory inputData,
+		SignedPermits memory permitData,
+		bool[] memory enableCollateral
+	)
+		external
+		payable
+		returns (string memory _eventName, bytes memory _eventParam)
+	{
+		(_eventName, _eventParam) = _importAaveWithCollateral(
+			userAccount,
+			inputData,
+			permitData,
+			enableCollateral
+		);
+	}
 }
 
 contract ConnectV2AaveV3ImportPermitAvalanche is AaveV3ImportPermitResolver {
-	string public constant name = "Aave-v3-import-permit-v1";
+	string public constant name = "Aave-v3-import-permit-v1.1";
 }

contracts/polygon/connectors/aave/v3-import-permit/events.sol

@@ -12,4 +12,14 @@ contract Events {
 		uint256[] supplyAmts,
 		uint256[] borrowAmts
 	);
+	event LogAaveV3ImportWithPermitAndCollateral(
+		address indexed user,
+		address[] atokens,
+		string[] supplyIds,
+		string[] borrowIds,
+		uint256[] flashLoanFees,
+		uint256[] supplyAmts,
+		uint256[] borrowAmts,
+		bool[] enableCollateral
+	);
 }

contracts/polygon/connectors/aave/v3-import-permit/helpers.sol

@@ -279,6 +279,34 @@ contract AaveHelpers is Helper {
 		}
 	}
 
+	function _TransferAtokensWithCollateral(
+		uint256 _length,
+		AaveInterface aave,
+		ATokenInterface[] memory atokenContracts,
+		uint256[] memory amts,
+		address[] memory tokens,
+		bool[] memory colEnable,
+		address userAccount
+	) internal {
+		for (uint256 i = 0; i < _length; i++) {
+			if (amts[i] > 0) {
+				uint256 _amt = amts[i];
+				require(
+					atokenContracts[i].transferFrom(
+						userAccount,
+						address(this),
+						_amt
+					),
+					"allowance?"
+				);
+
+				if (!getIsColl(tokens[i], address(this))) {
+					aave.setUserUseReserveAsCollateral(tokens[i], colEnable[i]);
+				}
+			}
+		}
+	}
+
 	function _BorrowVariable(
 		uint256 _length,
 		AaveInterface aave,

contracts/polygon/connectors/aave/v3-import-permit/main.sol

@@ -104,6 +104,102 @@ contract AaveV3ImportPermitResolver is AaveHelpers {
 		);
 	}
 
+	function _importAaveWithCollateral(
+		address userAccount,
+		ImportInputData memory inputData,
+		SignedPermits memory permitData,
+		bool[] memory enableCollateral
+	) internal returns (string memory _eventName, bytes memory _eventParam) {
+		require(
+			AccountInterface(address(this)).isAuth(userAccount),
+			"user-account-not-auth"
+		);
+
+		require(inputData.supplyTokens.length > 0, "0-length-not-allowed");
+		require(enableCollateral.length == inputData.supplyTokens.length, "supplytokens-enableCol-len-not-same");
+
+		ImportData memory data;
+
+		AaveInterface aave = AaveInterface(aaveProvider.getPool());
+
+		data = getBorrowAmounts(userAccount, aave, inputData, data);
+		data = getSupplyAmounts(userAccount, inputData, data);
+
+		//  payback borrowed amount;
+		_PaybackStable(
+			data._borrowTokens.length,
+			aave,
+			data._borrowTokens,
+			data.stableBorrowAmts,
+			userAccount
+		);
+		_PaybackVariable(
+			data._borrowTokens.length,
+			aave,
+			data._borrowTokens,
+			data.variableBorrowAmts,
+			userAccount
+		);
+
+		//permit this address to transfer aTokens
+		_PermitATokens(
+			userAccount,
+			data.aTokens,
+			data._supplyTokens,
+			permitData.v,
+			permitData.r,
+			permitData.s,
+			permitData.expiry
+		);
+
+		//  transfer atokens to this address;
+		_TransferAtokensWithCollateral(
+			data._supplyTokens.length,
+			aave,
+			data.aTokens,
+			data.supplyAmts,
+			data._supplyTokens,
+			enableCollateral,
+			userAccount
+		);
+
+		// borrow assets after migrating position
+		if (data.convertStable) {
+			_BorrowVariable(
+				data._borrowTokens.length,
+				aave,
+				data._borrowTokens,
+				data.totalBorrowAmtsWithFee
+			);
+		} else {
+			_BorrowStable(
+				data._borrowTokens.length,
+				aave,
+				data._borrowTokens,
+				data.stableBorrowAmtsWithFee
+			);
+			_BorrowVariable(
+				data._borrowTokens.length,
+				aave,
+				data._borrowTokens,
+				data.variableBorrowAmtsWithFee
+			);
+		}
+
+		_eventName = "LogAaveV3ImportWithPermitAndCollateral(address,bool,address[],address[],uint256[],uint256[],uint256[],uint256[],bool[])";
+		_eventParam = abi.encode(
+			userAccount,
+			inputData.convertStable,
+			inputData.supplyTokens,
+			inputData.borrowTokens,
+			inputData.flashLoanFees,
+			data.supplyAmts,
+			data.stableBorrowAmts,
+			data.variableBorrowAmts,
+			enableCollateral
+		);
+	}
+
 	/**
 	 * @dev Import aave V3 position .
 	 * @notice Import EOA's aave V3 position to DSA's aave v3 position
@@ -126,8 +222,34 @@ contract AaveV3ImportPermitResolver is AaveHelpers {
 			permitData
 		);
 	}
+
+	/**
+	 * @dev Import aave V3 position (with collateral).
+	 * @notice Import EOA's aave V3 position to DSA's aave v3 position
+	 * @param userAccount The address of the EOA from which aave position will be imported
+	 * @param inputData The struct containing all the neccessary input data
+	 * @param permitData The struct containing signed permit data like v,r,s,expiry
+	 * @param enableCollateral The boolean array to enable selected collaterals in the imported position
+	 */
+	function importAaveWithCollateral(
+		address userAccount,
+		ImportInputData memory inputData,
+		SignedPermits memory permitData,
+		bool[] memory enableCollateral
+	)
+		external
+		payable
+		returns (string memory _eventName, bytes memory _eventParam)
+	{
+		(_eventName, _eventParam) = _importAaveWithCollateral(
+			userAccount,
+			inputData,
+			permitData,
+			enableCollateral
+		);
+	}
 }
 
 contract ConnectV2AaveV3ImportPermitPolygon is AaveV3ImportPermitResolver {
-	string public constant name = "Aave-v3-import-permit-v1";
+	string public constant name = "Aave-v3-import-permit-v1.1";
 }