Merge pull request #81 from Instadapp/arbitrum-connectors

Arbitrum connectors

contracts/arbitrum/common/basic.sol

@@ -0,0 +1,54 @@
+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 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/arbitrum/common/interfaces.sol

@@ -0,0 +1,27 @@
+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);
+}
+
+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/arbitrum/common/math.sol

@@ -0,0 +1,50 @@
+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/arbitrum/common/stores.sol

@@ -0,0 +1,37 @@
+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 = 0x82aF49447D8a07e3bd95BD0d56f35241523fBab1;
+
+  /**
+   * @dev Return memory variable address
+   */
+  MemoryInterface constant internal instaMemory = MemoryInterface(0xc109f7Ef06152c3a63dc7254fD861E612d3Ac571);
+
+  /**
+   * @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/arbitrum/connectors/authority/events.sol

@@ -0,0 +1,6 @@
+pragma solidity ^0.7.0;
+
+contract Events {
+    event LogAddAuth(address indexed _msgSender, address indexed _authority);
+    event LogRemoveAuth(address indexed _msgSender, address indexed _authority);
+}

contracts/arbitrum/connectors/authority/helpers.sol

@@ -0,0 +1,15 @@
+pragma solidity ^0.7.0;
+pragma experimental ABIEncoderV2;
+
+import { DSMath } from "../../common/math.sol";
+import { Basic } from "../../common/basic.sol";
+import { ListInterface } from "./interface.sol";
+
+abstract contract Helpers is DSMath, Basic {
+    ListInterface internal constant listContract = ListInterface(0x3565F6057b7fFE36984779A507fC87b31EFb0f09);
+
+    function checkAuthCount() internal view returns (uint count) {
+        uint64 accountId = listContract.accountID(address(this));
+        count = listContract.accountLink(accountId).count;
+    }
+}

contracts/arbitrum/connectors/authority/interface.sol

@@ -0,0 +1,13 @@
+pragma solidity ^0.7.0;
+pragma experimental ABIEncoderV2;
+
+interface ListInterface {
+    struct AccountLink {
+        address first;
+        address last;
+        uint64 count;
+    }
+
+    function accountID(address) external view returns (uint64);
+    function accountLink(uint64) external view returns (AccountLink memory);
+}

contracts/arbitrum/connectors/authority/main.sol

@@ -0,0 +1,45 @@
+pragma solidity ^0.7.0;
+
+/**
+ * @title Authority.
+ * @dev Manage Authorities to DSA.
+ */
+ 
+import { AccountInterface } from "../../common/interfaces.sol";
+import { Helpers } from "./helpers.sol";
+import { Events } from "./events.sol";
+
+abstract contract AuthorityResolver is Events, Helpers {
+    /**
+     * @dev Add New authority
+     * @notice Add an address as account authority
+     * @param authority The authority Address.
+     */
+    function add(
+        address authority
+    ) external payable returns (string memory _eventName, bytes memory _eventParam) {
+        AccountInterface(address(this)).enable(authority);
+
+        _eventName = "LogAddAuth(address,address)";
+        _eventParam = abi.encode(msg.sender, authority);
+    }
+
+    /**
+     * @dev Remove authority
+     * @notice Remove an address as account authority
+     * @param authority The authority Address.
+     */
+    function remove(
+        address authority
+    ) external payable returns (string memory _eventName, bytes memory _eventParam) {
+        require(checkAuthCount() > 1, "Removing-all-authorities");
+        AccountInterface(address(this)).disable(authority);
+
+        _eventName = "LogRemoveAuth(address,address)";
+        _eventParam = abi.encode(msg.sender, authority);
+    }
+}
+
+contract ConnectV2AuthArbitrum is AuthorityResolver {
+    string public constant name = "Auth-v1";
+}

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

@@ -0,0 +1,20 @@
+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/arbitrum/connectors/basic-ERC1155/main.sol

@@ -0,0 +1,93 @@
+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 ConnectV2BasicERC1155Arbitrum is BasicResolver {
+    string public constant name = "BASIC-ERC1155-v1.0";
+}

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

@@ -0,0 +1,18 @@
+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/arbitrum/connectors/basic-ERC721/main.sol

@@ -0,0 +1,76 @@
+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 ConnectV2BasicERC721Arbitrum is BasicResolver {
+    string public constant name = "BASIC-ERC721-v1.0";
+}

contracts/arbitrum/connectors/basic/events.sol

@@ -0,0 +1,6 @@
+pragma solidity ^0.7.0;
+
+contract Events {
+    event LogDeposit(address indexed erc20, uint256 tokenAmt, uint256 getId, uint256 setId);
+    event LogWithdraw(address indexed erc20, uint256 tokenAmt, address indexed to, uint256 getId, uint256 setId);
+}

contracts/arbitrum/connectors/basic/main.sol

@@ -0,0 +1,82 @@
+pragma solidity ^0.7.0;
+
+
+/**
+ * @title Basic.
+ * @dev Deposit & Withdraw from DSA.
+ */
+
+import { SafeERC20 } from "@openzeppelin/contracts/token/ERC20/SafeERC20.sol";
+import { IERC20 } from "@openzeppelin/contracts/token/ERC20/IERC20.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 {
+    using SafeERC20 for IERC20;
+
+    /**
+     * @dev Deposit Assets To Smart Account.
+     * @notice Deposit a token to DSA
+     * @param token The address of the token to deposit. (For MATIC: 0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE)
+     * @param amt The amount of tokens to deposit. (For max: `uint256(-1)` (Not valid for MATIC))
+     * @param getId ID to retrieve amt.
+     * @param setId ID stores the amount of tokens deposited.
+     */
+    function deposit(
+        address token,
+        uint256 amt,
+        uint256 getId,
+        uint256 setId
+    ) public payable returns (string memory _eventName, bytes memory _eventParam) {
+        uint _amt = getUint(getId, amt);
+        if (token != ethAddr) {
+            IERC20 tokenContract = IERC20(token);
+            _amt = _amt == uint(-1) ? tokenContract.balanceOf(msg.sender) : _amt;
+            tokenContract.safeTransferFrom(msg.sender, address(this), _amt);
+        } else {
+            require(msg.value == _amt || _amt == uint(-1), "invalid-ether-amount");
+            _amt = msg.value;
+        }
+        setUint(setId, _amt);
+
+        _eventName = "LogDeposit(address,uint256,uint256,uint256)";
+        _eventParam = abi.encode(token, _amt, getId, setId);
+    }
+
+    /**
+     * @dev Withdraw Assets from Smart  Account
+     * @notice Withdraw a token from DSA
+     * @param token The address of the token to withdraw. (For MATIC: 0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE)
+     * @param amt The amount of tokens to withdraw. (For max: `uint256(-1)`)
+     * @param to The address to receive the token upon withdrawal
+     * @param getId ID to retrieve amt.
+     * @param setId ID stores the amount of tokens withdrawn.
+     */
+    function withdraw(
+        address token,
+        uint amt,
+        address payable to,
+        uint getId,
+        uint setId
+    ) public payable returns (string memory _eventName, bytes memory _eventParam) {
+        uint _amt = getUint(getId, amt);
+        if (token == ethAddr) {
+            _amt = _amt == uint(-1) ? address(this).balance : _amt;
+            to.call{value: _amt}("");
+        } else {
+            IERC20 tokenContract = IERC20(token);
+            _amt = _amt == uint(-1) ? tokenContract.balanceOf(address(this)) : _amt;
+            tokenContract.safeTransfer(to, _amt);
+        }
+        setUint(setId, _amt);
+
+        _eventName = "LogWithdraw(address,uint256,address,uint256,uint256)";
+        _eventParam = abi.encode(token, _amt, to, getId, setId);
+    }
+}
+
+contract ConnectV2BasicArbitrum is BasicResolver {
+    string constant public name = "Basic-v1";
+}

docs/connectors.json

@@ -1,6 +1,6 @@
 { 
   "connectors": {
-    "1" : {
+    "mainnet" : {
       "AUTHORITY-A": "0x351Bb32e90C35647Df7a584f3c1a3A0c38F31c68",
       "BASIC-A": "0x9926955e0Dd681Dc303370C52f4Ad0a4dd061687",
       "1INCH-A": "0x235fca310ac7be45c7ad45f111203468743e4b7c",
@@ -31,13 +31,19 @@
       "B-MAKERDAO-A": "0xB0A1f10FeEfECf25064CE7cdF0a65042F7dE7bF0",
       "B-LIQUITY-A": "0x19574E5Dfb40bbD63A4F3bdcF27ed662b329b2ff"
     },
-    "137" : {
+    "polygon" : {
       "1INCH-A": "0xC0d9210496afE9763F5d8cEb8deFfBa817232A9e",
       "AAVE-V2-A": "0xE84d8010Afc3663919F44685cB53ED88866da3eE",
       "AUTHORITY-A": "0xf73C94402BC24148b744083eD02654EEc2C37D5B",
       "BASIC-A": "0x1cAF5EC802ca602E98139AD96A8f2B7BC524264E",
       "AAVE-CLAIM-A": "0xC7Cb1dE2721BFC0E0DA1b9D526bCdC54eF1C0eFC",
       "PARASWAP-A": "0xFb3a1D56eD56F046721B9aCa749895100754578b"
+    },
+    "arbitrum" : {
+      "AUTHORITY-A": "0x6ce3e607c808b4f4c26b7f6adaeb619e49cabb25",
+      "BASIC-A": "0x9926955e0dd681dc303370c52f4ad0a4dd061687",
+      "BASIC-B": "0xa9b99766e6c676cf1975c0d3166f96c0848ff5ad",
+      "BASIC-C": "0x839c2d3ade63df5b0b8f3e57d5e145057ab41556"
     }
   },
   "mappings": {

hardhat.config.js

@@ -43,7 +43,6 @@ module.exports = {
     ],
   },
   networks: {
-    // defaultNetwork: "hardhat",
     kovan: {
       url: `https://eth-kovan.alchemyapi.io/v2/${ALCHEMY_ID}`,
       accounts: [`0x${PRIVATE_KEY}`],
@@ -68,6 +67,13 @@ module.exports = {
       timeout: 150000,
       gasPrice: parseInt(utils.parseUnits("1", "gwei")),
     },
+    arbitrum: {
+      chainId: 42161,
+      url: `https://arb-mainnet.g.alchemy.com/v2/${ALCHEMY_ID}`,
+      accounts: [`0x${PRIVATE_KEY}`],
+      timeout: 150000,
+      gasPrice: parseInt(utils.parseUnits("2", "gwei")),
+    },
   },
   etherscan: {
     apiKey: process.env.ETHERSCAN_API_KEY,

package.json

@@ -33,7 +33,7 @@
   },
   "devDependencies": {
     "@nomiclabs/hardhat-ethers": "^2.0.2",
-    "@nomiclabs/hardhat-etherscan": "^2.1.4",
+    "@nomiclabs/hardhat-etherscan": "^2.1.6",
     "@nomiclabs/hardhat-waffle": "^2.0.1",
     "@nomiclabs/hardhat-web3": "^2.0.0",
     "@openzeppelin/test-helpers": "^0.5.12",
@@ -42,8 +42,8 @@
     "chai-as-promised": "^7.1.1",
     "ethereum-waffle": "^3.4.0",
     "ethers": "^5.4.4",
-    "hardhat": "^2.6.0",
+    "hardhat": "^2.6.4",
-    "hardhat-deploy": "^0.8.11",
+    "hardhat-deploy": "^0.9.1",
     "hardhat-deploy-ethers": "^0.3.0-beta.10",
     "husky": "^6.0.0",
     "sol-merger": "^2.0.1",