added BASIC-connectors: optimism

contracts/optimism/common/basic.sol

@@ -0,0 +1,58 @@
+pragma solidity ^0.7.0;
+
+import { TokenInterface } from "./interfaces.sol";
+import { Stores } from "./stores.sol";
+import { DSMath } from "./math.sol";
+
+abstract contract Basic is DSMath, Stores {
+
+    function convert18ToDec(uint _dec, uint256 _amt) internal pure returns (uint256 amt) {
+        amt = (_amt / 10 ** (18 - _dec));
+    }
+
+    function convertTo18(uint _dec, uint256 _amt) internal pure returns (uint256 amt) {
+        amt = mul(_amt, 10 ** (18 - _dec));
+    }
+
+    function getTokenBal(TokenInterface token) internal view returns(uint _amt) {
+        _amt = address(token) == ethAddr ? address(this).balance : token.balanceOf(address(this));
+    }
+
+    function getTokensDec(TokenInterface buyAddr, TokenInterface sellAddr) internal view returns(uint buyDec, uint sellDec) {
+        buyDec = address(buyAddr) == ethAddr ?  18 : buyAddr.decimals();
+        sellDec = address(sellAddr) == ethAddr ?  18 : sellAddr.decimals();
+    }
+
+    function encodeEvent(string memory eventName, bytes memory eventParam) internal pure returns (bytes memory) {
+        return abi.encode(eventName, eventParam);
+    }
+
+    function approve(TokenInterface token, address spender, uint256 amount) internal {
+        try token.approve(spender, amount) {
+
+        } catch {
+            token.approve(spender, 0);
+            token.approve(spender, amount);
+        }
+    }
+
+    function changeEthAddress(address buy, address sell) internal pure returns(TokenInterface _buy, TokenInterface _sell){
+        _buy = buy == ethAddr ? TokenInterface(wethAddr) : TokenInterface(buy);
+        _sell = sell == ethAddr ? TokenInterface(wethAddr) : TokenInterface(sell);
+    }
+
+    function changeEthAddrToWethAddr(address token) internal pure returns(address tokenAddr){
+        tokenAddr = token == ethAddr ? wethAddr : token;
+    }
+
+    function convertEthToWeth(bool isEth, TokenInterface token, uint amount) internal {
+        if(isEth) token.deposit{value: amount}();
+    }
+
+    function convertWethToEth(bool isEth, TokenInterface token, uint amount) internal {
+       if(isEth) {
+            approve(token, address(token), amount);
+            token.withdraw(amount);
+        }
+    }
+}

contracts/optimism/common/interfaces.sol

@@ -0,0 +1,28 @@
+pragma solidity ^0.7.0;
+
+interface TokenInterface {
+    function approve(address, uint256) external;
+    function transfer(address, uint) external;
+    function transferFrom(address, address, uint) external;
+    function deposit() external payable;
+    function withdraw(uint) external;
+    function balanceOf(address) external view returns (uint);
+    function decimals() external view returns (uint);
+    function totalSupply() external view returns (uint);
+}
+
+interface MemoryInterface {
+    function getUint(uint id) external returns (uint num);
+    function setUint(uint id, uint val) external;
+}
+
+interface InstaMapping {
+    function cTokenMapping(address) external view returns (address);
+    function gemJoinMapping(bytes32) external view returns (address);
+}
+
+interface AccountInterface {
+    function enable(address) external;
+    function disable(address) external;
+    function isAuth(address) external view returns (bool);
+}

contracts/optimism/common/math.sol

@@ -0,0 +1,49 @@
+pragma solidity ^0.7.0;
+
+import { SafeMath } from "@openzeppelin/contracts/math/SafeMath.sol";
+
+contract DSMath {
+  uint constant WAD = 10 ** 18;
+  uint constant RAY = 10 ** 27;
+
+  function add(uint x, uint y) internal pure returns (uint z) {
+    z = SafeMath.add(x, y);
+  }
+
+  function sub(uint x, uint y) internal virtual pure returns (uint z) {
+    z = SafeMath.sub(x, y);
+  }
+
+  function mul(uint x, uint y) internal pure returns (uint z) {
+    z = SafeMath.mul(x, y);
+  }
+
+  function div(uint x, uint y) internal pure returns (uint z) {
+    z = SafeMath.div(x, y);
+  }
+
+  function wmul(uint x, uint y) internal pure returns (uint z) {
+    z = SafeMath.add(SafeMath.mul(x, y), WAD / 2) / WAD;
+  }
+
+  function wdiv(uint x, uint y) internal pure returns (uint z) {
+    z = SafeMath.add(SafeMath.mul(x, WAD), y / 2) / y;
+  }
+
+  function rdiv(uint x, uint y) internal pure returns (uint z) {
+    z = SafeMath.add(SafeMath.mul(x, RAY), y / 2) / y;
+  }
+
+  function rmul(uint x, uint y) internal pure returns (uint z) {
+    z = SafeMath.add(SafeMath.mul(x, y), RAY / 2) / RAY;
+  }
+
+  function toInt(uint x) internal pure returns (int y) {
+    y = int(x);
+    require(y >= 0, "int-overflow");
+  }
+
+  function toRad(uint wad) internal pure returns (uint rad) {
+    rad = mul(wad, 10 ** 27);
+  }
+}

contracts/optimism/common/stores.sol

@@ -0,0 +1,36 @@
+pragma solidity ^0.7.0;
+
+import { MemoryInterface, InstaMapping } from "./interfaces.sol";
+
+
+abstract contract Stores {
+
+  /**
+   * @dev Return ethereum address
+   */
+  address constant internal ethAddr = 0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE;
+
+  /**
+   * @dev Return Wrapped ETH address
+   */
+  address constant internal wethAddr = 0x4200000000000000000000000000000000000006;
+
+  /**
+   * @dev Return memory variable address
+   */
+  MemoryInterface constant internal instaMemory = MemoryInterface(0x3254Ce8f5b1c82431B8f21Df01918342215825C2);
+
+  /**
+   * @dev Get Uint value from InstaMemory Contract.
+   */
+  function getUint(uint getId, uint val) internal returns (uint returnVal) {
+    returnVal = getId == 0 ? val : instaMemory.getUint(getId);
+  }
+
+  /**
+  * @dev Set Uint value in InstaMemory Contract.
+  */
+  function setUint(uint setId, uint val) virtual internal {
+    if (setId != 0) instaMemory.setUint(setId, val);
+  }
+}

contracts/optimism/connectors/basic-ERC1155/events.sol

@@ -0,0 +1,21 @@
+// SPDX-License-Identifier: MIT
+pragma solidity ^0.7.0;
+
+contract Events {
+    event LogDepositERC1155(
+        address indexed erc1155,
+        address from,
+        uint256 tokenId,
+        uint256 amount,
+        uint256 getId,
+        uint256 setId
+    );
+    event LogWithdrawERC1155(
+        address indexed erc1155,
+        uint256 tokenId,
+        address indexed to,
+        uint256 amount,
+        uint256 getId,
+        uint256 setId
+    );
+}

contracts/optimism/connectors/basic-ERC1155/main.sol

@@ -0,0 +1,94 @@
+// SPDX-License-Identifier: MIT
+pragma solidity ^0.7.0;
+
+/**
+ * @title Basic.
+ * @dev Deposit & Withdraw from ERC1155 DSA.
+ */
+import {IERC1155} from "@openzeppelin/contracts/token/ERC1155/IERC1155.sol";
+
+import {DSMath} from "../../common/math.sol";
+import {Basic} from "../../common/basic.sol";
+import {Events} from "./events.sol";
+
+abstract contract BasicResolver is Events, DSMath, Basic {
+    /**
+     * @dev Deposit Assets To Smart Account.
+     * @notice Deposit a ERC1155 token to DSA
+     * @param token Address of token.
+     * @param tokenId ID of token.
+     * @param amount Amount to deposit.
+     * @param getId ID to retrieve amount.
+     * @param setId ID stores the amount.
+     */
+    function depositERC1155(
+        address token,
+        uint256 tokenId,
+        uint256 amount,
+        uint256 getId,
+        uint256 setId
+    )
+        public
+        payable
+        returns (string memory _eventName, bytes memory _eventParam)
+    {
+        uint256 _amount = getUint(getId, amount);
+
+        IERC1155 tokenContract = IERC1155(token);
+        tokenContract.safeTransferFrom(
+            msg.sender,
+            address(this),
+            tokenId,
+            _amount,
+            ""
+        );
+
+        setUint(setId, _amount);
+
+        _eventName = "LogDepositERC1155(address,address,uint256,uint256,uint256,uint256)";
+        _eventParam = abi.encode(
+            token,
+            msg.sender,
+            tokenId,
+            _amount,
+            getId,
+            setId
+        );
+    }
+
+    /**
+     * @dev Withdraw Assets To Smart Account.
+     * @notice Withdraw a ERC1155 token from DSA
+     * @param token Address of the token.
+     * @param tokenId ID of token.
+     * @param to The address to receive the token upon withdrawal
+     * @param amount Amount to withdraw.
+     * @param getId ID to retrieve amount.
+     * @param setId ID stores the amount.
+     */
+    function withdrawERC1155(
+        address token,
+        uint256 tokenId,
+        address payable to,
+        uint256 amount,
+        uint256 getId,
+        uint256 setId
+    )
+        public
+        payable
+        returns (string memory _eventName, bytes memory _eventParam)
+    {
+        uint256 _amount = getUint(getId, amount);
+        IERC1155 tokenContract = IERC1155(token);
+        tokenContract.safeTransferFrom(address(this), to, tokenId, _amount, "");
+
+        setUint(setId, _amount);
+
+        _eventName = "LogWithdrawERC1155(address,uint256,address,uint256,uint256,uint256)";
+        _eventParam = abi.encode(token, tokenId, to, _amount, getId, setId);
+    }
+}
+
+contract ConnectV2BasicERC1155Optimism is BasicResolver {
+    string public constant name = "BASIC-ERC1155-v1.0";
+}

contracts/optimism/connectors/basic-ERC721/events.sol

@@ -0,0 +1,19 @@
+// SPDX-License-Identifier: MIT
+pragma solidity ^0.7.0;
+
+contract Events {
+    event LogDepositERC721(
+        address indexed erc721,
+        address from,
+        uint256 tokenId,
+        uint256 getId,
+        uint256 setId
+    );
+    event LogWithdrawERC721(
+        address indexed erc721,
+        uint256 tokenId,
+        address indexed to,
+        uint256 getId,
+        uint256 setId
+    );
+}

contracts/optimism/connectors/basic-ERC721/main.sol

@@ -0,0 +1,77 @@
+// SPDX-License-Identifier: MIT
+pragma solidity ^0.7.0;
+
+/**
+ * @title Basic.
+ * @dev Deposit & Withdraw ERC721 from DSA.
+ */
+import {IERC721} from "@openzeppelin/contracts/token/ERC721/IERC721.sol";
+
+import {DSMath} from "../../common/math.sol";
+import {Basic} from "../../common/basic.sol";
+import {Events} from "./events.sol";
+
+abstract contract BasicResolver is Events, DSMath, Basic {
+    /**
+     * @dev Deposit Assets To Smart Account.
+     * @notice Deposit a ERC721 token to DSA
+     * @param token Address of token.
+     * @param tokenId ID of token.
+     * @param getId ID to retrieve tokenId.
+     * @param setId ID stores the tokenId.
+     */
+    function depositERC721(
+        address token,
+        uint256 tokenId,
+        uint256 getId,
+        uint256 setId
+    )
+        public
+        payable
+        returns (string memory _eventName, bytes memory _eventParam)
+    {
+        uint256 _tokenId = getUint(getId, tokenId);
+
+        IERC721 tokenContract = IERC721(token);
+        tokenContract.safeTransferFrom(msg.sender, address(this), _tokenId);
+
+        setUint(setId, _tokenId);
+
+        _eventName = "LogDepositERC721(address,address,uint256,uint256,uint256)";
+        _eventParam = abi.encode(token, msg.sender, _tokenId, getId, setId);
+    }
+
+    /**
+     * @dev Withdraw Assets To Smart Account.
+     * @notice Withdraw a ERC721 token from DSA
+     * @param token Address of the token.
+     * @param tokenId ID of token.
+     * @param to The address to receive the token upon withdrawal
+     * @param getId ID to retrieve tokenId.
+     * @param setId ID stores the tokenId.
+     */
+    function withdrawERC721(
+        address token,
+        uint256 tokenId,
+        address payable to,
+        uint256 getId,
+        uint256 setId
+    )
+        public
+        payable
+        returns (string memory _eventName, bytes memory _eventParam)
+    {
+        uint256 _tokenId = getUint(getId, tokenId);
+        IERC721 tokenContract = IERC721(token);
+        tokenContract.safeTransferFrom(address(this), to, _tokenId);
+
+        setUint(setId, _tokenId);
+
+        _eventName = "LogWithdrawERC721(address,uint256,address,uint256,uint256)";
+        _eventParam = abi.encode(token, _tokenId, to, getId, setId);
+    }
+}
+
+contract ConnectV2BasicERC721Optimism is BasicResolver {
+    string public constant name = "BASIC-ERC721-v1.0";
+}