[WIP]Adding tasks to test liquidity bot

.circleci/config.yml

@@ -68,14 +68,14 @@ jobs:
       - run:
           name: Compile Contracts
           command: npx hardhat compile
-      - save_cache: 
-         key: typechain-cache-{{ .Environment.CIRCLE_SHA1 }}
-         paths:
-           - typechain
-      - save_cache: 
-         key: artifacts-cache-{{ .Environment.CIRCLE_SHA1 }}
-         paths:
-           - artifacts
+      # - save_cache: 
+      #    key: typechain-cache-{{ .Environment.CIRCLE_SHA1 }}
+      #    paths:
+      #      - typechain
+      # - save_cache: 
+      #    key: artifacts-cache-{{ .Environment.CIRCLE_SHA1 }}
+      #    paths:
+      #      - artifacts
 
   lint:
     working_directory: ~/squeeth/packages/hardhat

packages/hardhat/hardhat.config.ts

@@ -19,6 +19,8 @@ import './tasks/addWethLiquidity'
 import './tasks/buySqueeth'
 import './tasks/buyWeth'
 import './tasks/increaseSlot'
+import './tasks/addLiquidatableVault'
+import './tasks/checkVaultStatus'
 
 // Load env variables
 dotenv.config()

packages/hardhat/tasks/addLiquidatableVault.ts

@@ -0,0 +1,45 @@
+import { task, types } from "hardhat/config";
+import "@nomiclabs/hardhat-waffle";
+import { BigNumber } from "ethers";
+import { getUniswapDeployments, getUSDC, getWETH } from "./utils";
+import {
+    abi as POOL_ABI,
+    bytecode as POOL_BYTECODE,
+  } from '@uniswap/v3-core/artifacts/contracts/UniswapV3Pool.sol/UniswapV3Pool.json'
+import { Oracle } from "../typechain";
+export const one = BigNumber.from(10).pow(18)
+
+// Example execution
+/**
+ npx hardhat addLiquidatableVault --input '50' --network ropsten
+ */
+task("addLiquidatableVault", "Add a short position with a 150% collateralization ratio")
+  .addParam('input', 'amount squeeth to mint', '50', types.string)
+  .setAction(async ({ input: squeethToMint }, hre) => {
+
+    // ROPSTEN CONSTANTS
+    const ORACLE = "0xBD9F4bE886653177D22fA9c79FD0DFc41407fC89"
+    const ETH_USDC_POOL = "0x8356AbC730a218c24446C2c85708F373f354F0D8"
+    // const WETH = "0xc778417e063141139fce010982780140aa0cd5ab"
+    // const USDC = "0x27415c30d8c87437becbd4f98474f26e712047f4"
+
+    const { getNamedAccounts, ethers, network } = hre;
+    const { deployer } = await getNamedAccounts();
+    const controller = await ethers.getContract("Controller", deployer);
+    const oracle = (await ethers.getContractAt("Oracle", ORACLE)) as Oracle
+    const ethUsdcPool = await ethers.getContractAt(POOL_ABI, ETH_USDC_POOL);
+    // const weth = await ethers.getContractAt("WETH9", WETH);
+    const weth = await getWETH(ethers, deployer, network.name)
+    // const usdc = await ethers.getContractAt("MockErc20", USDC)
+    const usdc = await getUSDC(ethers, deployer, network.name)
+    const ethPrice = await oracle.getTwap(ethUsdcPool.address, weth.address, usdc.address, 420, true)
+    const normFactor = await controller.normalizationFactor()
+    const debtAmount = ethers.utils.parseUnits(squeethToMint)
+    const mintRSqueethAmount = debtAmount.mul(normFactor).div(one)
+    const scaledEthPrice = ethPrice.div(10000)
+    const debtInEth = mintRSqueethAmount.mul(scaledEthPrice).div(one)
+    const collateralToDeposit = debtInEth.mul(1.5)
+
+    const vaultId = await controller.mintWPowerPerpAmount(0, debtAmount, 0, {value: collateralToDeposit}) 
+    console.log(`Added 150% collateralization vault with ID: `, vaultId)
+  });

packages/hardhat/tasks/addSqueethLiquidity.ts

@@ -30,8 +30,8 @@ task("addSqueethLiquidity", "Add liquidity to wsqueeth pool")
   const { deployer } = await getNamedAccounts();
   const { positionManager, uniswapFactory } = await getUniswapDeployments(ethers, deployer, network.name)
 
-  const controller = await ethers.getContractAt("Controller", deployer);
-  const wsqueeth = await ethers.getContractAt("WPowerPerp", deployer);
+  const controller = await ethers.getContract("Controller", deployer);
+  const wsqueeth = await ethers.getContract("WPowerPerp", deployer);
   const weth = await getWETH(ethers, deployer, network.name)
 
   const isWethToken0 = parseInt(weth.address, 16) < parseInt(wsqueeth.address, 16)

packages/hardhat/tasks/checkVaultStatus.ts

@@ -0,0 +1,18 @@
+import { task, types } from "hardhat/config";
+import "@nomiclabs/hardhat-waffle";
+
+// Example execution
+/**
+ npx hardhat checkVaultStatus --input '0' --network ropsten
+ */
+task("checkVaultStatus", "Check if vault is liquidatable")
+  .addParam('input', 'vault id', 0, types.string)
+  .setAction(async ({ input: vaultId }, hre) => {
+
+    const { getNamedAccounts, ethers, network } = hre;
+    const { deployer } = await getNamedAccounts();
+    const controller = await ethers.getContract("Controller", deployer);
+
+    const isVaultSafe = await controller.isVaultSafe(vaultId) 
+    console.log(`Whether inputted vault is safe: `, isVaultSafe)
+  });