Stable master upgrade (#31)

* ifxijg stuff

* deploying the new strategy implementation

deploy/StrategyAaveFlashLoanImplementation.ts

@@ -0,0 +1,42 @@
+import { DeployFunction } from 'hardhat-deploy/types';
+import { CONTRACTS_ADDRESSES, Interfaces } from '@angleprotocol/sdk';
+import { BigNumber, Contract } from 'ethers';
+import { AaveFlashloanStrategy__factory, PoolManager } from '../typechain';
+
+const func: DeployFunction = async ({ deployments, ethers }) => {
+  const { deploy } = deployments;
+  const [deployer] = await ethers.getSigners();
+
+  const governor = CONTRACTS_ADDRESSES[1].GovernanceMultiSig as string;
+  const guardian = CONTRACTS_ADDRESSES[1].Guardian as string;
+  const proxyAdmin = '0x1D941EF0D3Bba4ad67DBfBCeE5262F4CEE53A32b';
+  const flashMintLib = '0x169487a55dE79476125A56B07C36cA8dbF37a373'; // (await deployments.getOrNull('FlashMintLib')).address
+
+  const collats: { [key: string]: { interestRateStrategyAddress: string } } = {
+    DAI: {
+      interestRateStrategyAddress: '0xfffE32106A68aA3eD39CcCE673B646423EEaB62a',
+    },
+    // USDC: {
+    //   interestRateStrategyAddress: '0x8Cae0596bC1eD42dc3F04c4506cfe442b3E74e27',
+    // },
+  };
+
+  const keeper = '0xcC617C6f9725eACC993ac626C7efC6B96476916E';
+
+  let strategyImplementation = await deployments.getOrNull('AaveFlashloanStrategy_NewImplementation');
+
+  if (!strategyImplementation) {
+    strategyImplementation = await deploy('AaveFlashloanStrategy_NewImplementation', {
+      contract: 'AaveFlashloanStrategy',
+      from: deployer.address,
+      args: [],
+      libraries: { FlashMintLib: flashMintLib },
+    });
+    console.log('success: deployed strategy implementation', strategyImplementation.address);
+  } else {
+    console.log('strategy implementation already deployed: ', strategyImplementation.address);
+  }
+};
+
+func.tags = ['aave_flashloan_strategy_upgrade'];
+export default func;