feat: Adding sUSD to synths

.github/workflows/lint.yaml

@@ -0,0 +1,95 @@
+name: Lint
+
+on:
+  push:
+    branches:
+    - master
+    - develop
+  pull_request:
+
+jobs:
+
+    solidity:
+      runs-on: ubuntu-latest
+
+      steps:
+      - name: Check out github repository
+        uses: actions/checkout@v2
+        with:
+          fetch-depth: 1
+
+      - name: Setup node.js
+        uses: actions/setup-node@v1
+        with:
+          node-version: '12.x'
+
+      - name: Set yarn cache directory path
+        id: yarn-cache-dir-path
+        run: echo "::set-output name=dir::$(yarn cache dir)"
+
+      - name: Restore yarn cache
+        uses: actions/cache@v2
+        id: yarn-cache
+        with:
+          path: |
+            ${{ steps.yarn-cache-dir-path.outputs.dir }}
+          key: ${{ runner.os }}-yarn-${{ hashFiles('**/yarn.lock') }}
+          restore-keys: |
+            ${{ runner.os }}-yarn-${{ hashFiles('**/yarn.lock') }}
+            ${{ runner.os }}-yarn-
+
+      - name: Install node.js dependencies
+        run: yarn --frozen-lockfile
+
+      - name: Run linter on *.sol and *.json
+        run: yarn lint:check
+
+    commits:
+      runs-on: ubuntu-latest
+
+      steps:
+      - name: Check out github repository
+        uses: actions/checkout@v2
+        with:
+          fetch-depth: 0
+
+      - name: Run commitlint
+        uses: wagoid/commitlint-github-action@v2
+
+    brownie:
+      runs-on: ubuntu-latest
+
+      steps:
+      - name: Check out github repository
+        uses: actions/checkout@v2
+        with:
+          fetch-depth: 1
+
+      - name: Set up python 3.8
+        uses: actions/setup-python@v2
+        with:
+          python-version: 3.8
+
+      - name: Set pip cache directory path
+        id: pip-cache-dir-path
+        run: |
+            echo "::set-output name=dir::$(pip cache dir)"
+
+      - name: Restore pip cache
+        uses: actions/cache@v2
+        id: pip-cache
+        with:
+          path: |
+            ${{ steps.pip-cache-dir-path.outputs.dir }}
+          key: ${{ runner.os }}-pip-${{ hashFiles('**/requirements-dev.txt') }}
+          restore-keys: |
+            ${{ runner.os }}-pip-${{ hashFiles('**/requirements-dev.txt') }}
+            ${{ runner.os }}-pip-
+
+      - name: Install python dependencies
+        run: pip install -r requirements-dev.txt
+
+      - name: Run black
+        run: black --check --include "(tests|scripts)" .
+
+# TODO: Add Slither Static Analyzer

.github/workflows/test.yaml

@@ -0,0 +1,65 @@
+name: Test
+
+on:
+  push:
+    branches:
+    - master
+    - develop
+  pull_request:
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v1
+
+    - name: Cache compiler installations
+      uses: actions/cache@v2
+      with:
+        path: |
+          ~/.solcx
+          ~/.vvm
+        key: ${{ runner.os }}-compiler-cache
+
+    - name: Setup node.js
+      uses: actions/setup-node@v1
+      with:
+        node-version: '12.x'
+
+    - name: Install ganache
+      run: npm install -g [email protected]
+
+    - name: Set up python 3.8
+      uses: actions/setup-python@v2
+      with:
+        python-version: 3.8
+
+    - name: Set pip cache directory path
+      id: pip-cache-dir-path
+      run: |
+        echo "::set-output name=dir::$(pip cache dir)"
+
+    - name: Restore pip cache
+      uses: actions/cache@v2
+      id: pip-cache
+      with:
+        path: |
+          ${{ steps.pip-cache-dir-path.outputs.dir }}
+        key: ${{ runner.os }}-pip-${{ hashFiles('**/requirements-dev.txt') }}
+        restore-keys: |
+          ${{ runner.os }}-pip-${{ hashFiles('**/requirements-dev.txt') }}
+          ${{ runner.os }}-pip-
+
+    - name: Install python dependencies
+      run: pip install -r requirements-dev.txt
+
+    - name: Compile Code
+      run: brownie compile --size
+
+    - name: Run Tests
+      env:
+        ETHERSCAN_TOKEN: MW5CQA6QK5YMJXP2WP3RA36HM5A7RA1IHA
+        WEB3_INFURA_PROJECT_ID: b7821200399e4be2b4e5dbdf06fbe85b
+      run: |
+        brownie test -s

brownie-config.yml

@@ -17,15 +17,15 @@ autofetch_sources: True
 
 # require OpenZepplin Contracts
 dependencies:
-  - iearn-finance/[email protected]
+  - iearn-finance/[email protected]-1
   - OpenZeppelin/[email protected]
 
 # path remapping to support imports from GitHub/NPM
 compiler:
   solc:
     version: 0.6.12
     remappings:
-      - "@yearnvaults=iearn-finance/[email protected]"
+      - "@yearnvaults=iearn-finance/[email protected]-1"
       - "@openzeppelin=OpenZeppelin/[email protected]"
 
 reports:

contracts/Interfaces/UniswapInterfaces/IUniSimple.sol

@@ -1,5 +1,9 @@
-pragma solidity >=0.6.2;
+// SPDX-License-Identifier: UNLICENSED
+pragma solidity 0.6.12;
 
 interface IUniSimple {
-    function getAmountsOut(uint256 amountIn, address[] calldata path) external view returns (uint256[] memory amounts);
-}
+    function getAmountsOut(uint256 amountIn, address[] calldata path)
+        external
+        view
+        returns (uint256[] memory amounts);
+}

contracts/Interfaces/UniswapInterfaces/IUniswapV2Migrator.sol

@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: UNLICENSED
 pragma solidity >=0.5.0;
 
 interface IUniswapV2Migrator {

contracts/Interfaces/UniswapInterfaces/IUniswapV2Router01.sol

@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: UNLICENSED
 pragma solidity >=0.6.2;
 
 interface IUniswapV2Router01 {
@@ -148,7 +149,13 @@ interface IUniswapV2Router01 {
         uint256 reserveOut
     ) external pure returns (uint256 amountIn);
 
-    function getAmountsOut(uint256 amountIn, address[] calldata path) external view returns (uint256[] memory amounts);
+    function getAmountsOut(uint256 amountIn, address[] calldata path)
+        external
+        view
+        returns (uint256[] memory amounts);
 
-    function getAmountsIn(uint256 amountOut, address[] calldata path) external view returns (uint256[] memory amounts);
+    function getAmountsIn(uint256 amountOut, address[] calldata path)
+        external
+        view
+        returns (uint256[] memory amounts);
 }

contracts/Interfaces/UniswapInterfaces/IUniswapV2Router02.sol

@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: UNLICENSED
 pragma solidity >=0.6.2;
 
 import "./IUniswapV2Router01.sol";

contracts/Interfaces/UniswapInterfaces/IWETH.sol

@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: UNLICENSED
 pragma solidity >=0.5.0;
 import "@openzeppelin/contracts/token/ERC20/IERC20.sol";
 

contracts/Interfaces/UniswapInterfaces/V1/IUniswapV1Exchange.sol

@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: UNLICENSED
 pragma solidity >=0.5.0;
 
 interface IUniswapV1Exchange {
@@ -22,5 +23,8 @@ interface IUniswapV1Exchange {
         uint256
     ) external returns (uint256);
 
-    function ethToTokenSwapInput(uint256, uint256) external payable returns (uint256);
+    function ethToTokenSwapInput(uint256, uint256)
+        external
+        payable
+        returns (uint256);
 }

contracts/Interfaces/UniswapInterfaces/V1/IUniswapV1Factory.sol

@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: UNLICENSED
 pragma solidity >=0.5.0;
 
 interface IUniswapV1Factory {

contracts/Interfaces/Yearn/IVaultV2.sol

@@ -1,14 +1,26 @@
 // SPDX-License-Identifier: MIT
 pragma solidity 0.6.12;
 pragma experimental ABIEncoderV2;
-
 import "@openzeppelin/contracts/token/ERC20/IERC20.sol";
 
 interface IVaultV2 is IERC20 {
+    struct StrategyParams {
+        uint256 performanceFee;
+        uint256 activation;
+        uint256 debtRatio;
+        uint256 minDebtPerHarvest;
+        uint256 maxDebtPerHarvest;
+        uint256 lastReport;
+        uint256 totalDebt;
+        uint256 totalGain;
+        uint256 totalLoss;
+    }
+
     function addStrategy(
         address,
         uint256,
         uint256,
+        uint256,
         uint256
     ) external;
 
@@ -42,6 +54,12 @@ interface IVaultV2 is IERC20 {
 
     function withdraw(uint256 maxShares) external returns (uint256);
 
+    function withdraw(
+        uint256 maxShares,
+        address receiver,
+        uint256 maxloss
+    ) external returns (uint256);
+
     function setManagementFee(uint256) external;
 
     function updateStrategyDebtRatio(address, uint256) external;
@@ -135,15 +153,3 @@ interface IVaultV2 is IERC20 {
 
     function setDepositLimit(uint256) external;
 }
-
-struct StrategyParams {
-    uint256 performanceFee;
-    uint256 activation;
-    uint256 debtRatio;
-    uint256 minDebtPerHarvest;
-    uint256 maxDebtPerHarvest;
-    uint256 lastReport;
-    uint256 totalDebt;
-    uint256 totalGain;
-    uint256 totalLoss;
-}

contracts/Interfaces/curve/Curve.sol

@@ -3,6 +3,14 @@
 pragma solidity 0.6.12;
 
 interface ICurveFi {
+    // function coins(int128) external returns (address);
+
+    // function underlying_coins(int128) external returns (address);
+
+    function coins(uint256) external returns (address);
+
+    function underlying_coins(uint256) external returns (address);
+
     function get_virtual_price() external view returns (uint256);
 
     function add_liquidity(
@@ -44,10 +52,6 @@ interface ICurveFi {
         bool use_underlying
     ) external payable;
 
-    function coins(uint256) external returns (address);
-
-    function underlying_coins(uint256) external returns (address);
-
     function remove_liquidity_imbalance(
         uint256[2] calldata amounts,
         uint256 max_burn_amount

contracts/Interfaces/erc20/IERC20Extended.sol

@@ -1,7 +1,10 @@
+// SPDX-License-Identifier: MIT
 pragma solidity 0.6.12;
 
-interface IERC20Extended{
+interface IERC20Extended {
     function decimals() external view returns (uint8);
+
     function name() external view returns (string memory);
+
     function symbol() external view returns (string memory);
-}
+}

contracts/Interfaces/synthetix/IAddressResolver.sol

@@ -0,0 +1,14 @@
+// SPDX-License-Identifier: AGPL-3.0
+pragma solidity >=0.4.24;
+
+// https://docs.synthetix.io/contracts/source/interfaces/iaddressresolver
+interface IAddressResolver {
+    function getAddress(bytes32 name) external view returns (address);
+
+    function getSynth(bytes32 key) external view returns (address);
+
+    function requireAndGetAddress(bytes32 name, string calldata reason)
+        external
+        view
+        returns (address);
+}