feat: Add defender utils and use of signer

helpers/configuration.ts

@@ -6,7 +6,7 @@ import {
   ICommonConfiguration,
   eNetwork,
 } from './types';
-import { getParamPerPool } from './contracts-helpers';
+import { getEthersSignersAddresses, getParamPerPool } from './contracts-helpers';
 import AaveConfig from '../markets/aave';
 import MaticConfig from '../markets/matic';
 import AmmConfig from '../markets/amm';
@@ -66,9 +66,7 @@ export const getGenesisPoolAdmin = async (
   if (targetAddress) {
     return targetAddress;
   }
-  const addressList = await Promise.all(
+  const addressList = await getEthersSignersAddresses();
-    (await DRE.ethers.getSigners()).map((signer) => signer.getAddress())
-  );
   const addressIndex = config.PoolAdminIndex;
   return addressList[addressIndex];
 };
@@ -81,9 +79,7 @@ export const getEmergencyAdmin = async (
   if (targetAddress) {
     return targetAddress;
   }
-  const addressList = await Promise.all(
+  const addressList = await getEthersSignersAddresses();
-    (await DRE.ethers.getSigners()).map((signer) => signer.getAddress())
-  );
   const addressIndex = config.EmergencyAdminIndex;
   return addressList[addressIndex];
 };

helpers/contracts-deployments.ts

@@ -137,7 +137,9 @@ export const deployGenericLogic = async (reserveLogic: Contract, verify?: boolea
     linkedGenericLogicByteCode
   );
 
-  const genericLogic = await (await genericLogicFactory.deploy()).deployed();
+  const genericLogic = await (
+    await genericLogicFactory.connect(await getFirstSigner()).deploy()
+  ).deployed();
   return withSaveAndVerify(genericLogic, eContractid.GenericLogic, [], verify);
 };
 
@@ -158,7 +160,9 @@ export const deployValidationLogic = async (
     linkedValidationLogicByteCode
   );
 
-  const validationLogic = await (await validationLogicFactory.deploy()).deployed();
+  const validationLogic = await (
+    await validationLogicFactory.connect(await getFirstSigner()).deploy()
+  ).deployed();
 
   return withSaveAndVerify(validationLogic, eContractid.ValidationLogic, [], verify);
 };

helpers/contracts-getters.ts

@@ -32,11 +32,11 @@ import {
   FlashLiquidationAdapterFactory,
 } from '../types';
 import { IERC20DetailedFactory } from '../types/IERC20DetailedFactory';
-import { MockTokenMap } from './contracts-helpers';
+import { getEthersSigners, MockTokenMap } from './contracts-helpers';
 import { DRE, getDb, notFalsyOrZeroAddress } from './misc-utils';
 import { eContractid, PoolConfiguration, tEthereumAddress, TokenContractId } from './types';
 
-export const getFirstSigner = async () => (await DRE.ethers.getSigners())[0];
+export const getFirstSigner = async () => (await getEthersSigners())[0];
 
 export const getLendingPoolAddressesProvider = async (address?: tEthereumAddress) => {
   return await LendingPoolAddressesProviderFactory.connect(

helpers/contracts-helpers.ts

@@ -23,9 +23,10 @@ import { MintableERC20 } from '../types/MintableERC20';
 import { Artifact } from 'hardhat/types';
 import { Artifact as BuidlerArtifact } from '@nomiclabs/buidler/types';
 import { verifyEtherscanContract } from './etherscan-verification';
-import { getIErc20Detailed } from './contracts-getters';
+import { getFirstSigner, getIErc20Detailed } from './contracts-getters';
 import { usingTenderly, verifyAtTenderly } from './tenderly-utils';
 import { usingPolygon, verifyAtPolygon } from './polygon-utils';
+import { getDefenderRelaySigner, usingDefender } from './defender-utils';
 
 export type MockTokenMap = { [symbol: string]: MintableERC20 };
 
@@ -66,11 +67,18 @@ export const rawInsertContractAddressInDb = async (id: string, address: tEthereu
     })
     .write();
 
-export const getEthersSigners = async (): Promise<Signer[]> =>
+export const getEthersSigners = async (): Promise<Signer[]> => {
-  await Promise.all(await DRE.ethers.getSigners());
+  const ethersSigners = await Promise.all(await DRE.ethers.getSigners());
+
+  if (usingDefender()) {
+    const [, ...users] = ethersSigners;
+    return [await getDefenderRelaySigner(), ...users];
+  }
+  return ethersSigners;
+};
 
 export const getEthersSignersAddresses = async (): Promise<tEthereumAddress[]> =>
-  await Promise.all((await DRE.ethers.getSigners()).map((signer) => signer.getAddress()));
+  await Promise.all((await getEthersSigners()).map((signer) => signer.getAddress()));
 
 export const getCurrentBlock = async () => {
   return DRE.ethers.provider.getBlockNumber();
@@ -83,9 +91,9 @@ export const deployContract = async <ContractType extends Contract>(
   contractName: string,
   args: any[]
 ): Promise<ContractType> => {
-  const contract = (await (await DRE.ethers.getContractFactory(contractName)).deploy(
+  const contract = (await (await DRE.ethers.getContractFactory(contractName))
-    ...args
+    .connect(await getFirstSigner())
-  )) as ContractType;
+    .deploy(...args)) as ContractType;
   await waitForTx(contract.deployTransaction);
   await registerContractInJsonDb(<eContractid>contractName, contract);
   return contract;

helpers/defender-utils.ts

@@ -0,0 +1,41 @@
+import { formatEther } from '@ethersproject/units';
+import { DefenderRelaySigner, DefenderRelayProvider } from 'defender-relay-client/lib/ethers';
+import { Signer } from 'ethers';
+import { HardhatRuntimeEnvironment } from 'hardhat/types';
+import { DRE, impersonateAccountsHardhat } from './misc-utils';
+import { usingTenderly } from './tenderly-utils';
+
+export const usingDefender = () => process.env.DEFENDER === 'true';
+
+export const getDefenderRelaySigner = async () => {
+  const { DEFENDER_API_KEY, DEFENDER_SECRET_KEY } = process.env;
+  let defenderSigner: Signer;
+
+  if (!DEFENDER_API_KEY || !DEFENDER_SECRET_KEY) {
+    throw new Error('Defender secrets required');
+  }
+
+  const credentials = { apiKey: DEFENDER_API_KEY, apiSecret: DEFENDER_SECRET_KEY };
+
+  defenderSigner = new DefenderRelaySigner(credentials, new DefenderRelayProvider(credentials), {
+    speed: 'fast',
+  });
+
+  const defenderAddress = await defenderSigner.getAddress();
+  console.log('  - Using Defender Relay: ', defenderAddress);
+
+  // Reemplace signer if FORK=main is active
+  if (process.env.FORK === 'main') {
+    console.log('  - Impersonating Defender Relay');
+    await impersonateAccountsHardhat([defenderAddress]);
+    defenderSigner = await (DRE as HardhatRuntimeEnvironment).ethers.getSigner(defenderAddress);
+  }
+  // Reemplace signer if Tenderly network is active
+  if (usingTenderly()) {
+    console.log('  - Impersonating Defender Relay via Tenderly');
+    defenderSigner = await (DRE as HardhatRuntimeEnvironment).ethers.getSigner(defenderAddress);
+  }
+  console.log('  - Balance: ', formatEther(await defenderSigner.getBalance()));
+
+  return defenderSigner;
+};

helpers/misc-utils.ts

@@ -115,3 +115,17 @@ export const notFalsyOrZeroAddress = (address: tEthereumAddress | null | undefin
   }
   return isAddress(address) && !isZeroAddress(address);
 };
+
+export const impersonateAccountsHardhat = async (accounts: string[]) => {
+  if (process.env.TENDERLY === 'true') {
+    return;
+  }
+  // eslint-disable-next-line no-restricted-syntax
+  for (const account of accounts) {
+    // eslint-disable-next-line no-await-in-loop
+    await (DRE as HardhatRuntimeEnvironment).network.provider.request({
+      method: 'hardhat_impersonateAccount',
+      params: [account],
+    });
+  }
+};

tasks/dev/2_address_provider_registry.ts

@@ -3,6 +3,7 @@ import {
   deployLendingPoolAddressesProvider,
   deployLendingPoolAddressesProviderRegistry,
 } from '../../helpers/contracts-deployments';
+import { getEthersSigners } from '../../helpers/contracts-helpers';
 import { waitForTx } from '../../helpers/misc-utils';
 import { AaveConfig } from '../../markets/aave';
 
@@ -14,7 +15,7 @@ task(
   .setAction(async ({ verify }, localBRE) => {
     await localBRE.run('set-DRE');
 
-    const admin = await (await localBRE.ethers.getSigners())[0].getAddress();
+    const admin = await (await getEthersSigners())[0].getAddress();
 
     const addressesProvider = await deployLendingPoolAddressesProvider(AaveConfig.MarketId, verify);
     await waitForTx(await addressesProvider.setPoolAdmin(admin));

tasks/misc/set-bre.ts

@@ -3,7 +3,6 @@ import { DRE, setDRE } from '../../helpers/misc-utils';
 import { EthereumNetworkNames } from '../../helpers/types';
 import { usingTenderly } from '../../helpers/tenderly-utils';
 import { HardhatRuntimeEnvironment } from 'hardhat/types';
-import { getFirstSigner } from '../../helpers/contracts-getters';
 import { formatEther } from 'ethers/lib/utils';
 import { fork } from 'child_process';
 import { env } from 'process';
@@ -26,16 +25,11 @@ task(`set-DRE`, `Inits the DRE, to have access to all the plugins' objects`).set
         console.log('- Creating a new Tenderly Fork');
         await _DRE.tenderlyRPC.initializeFork();
       }
-      const provider = new _DRE.ethers.providers.Web3Provider(_DRE.tenderlyRPC as any);
+      const provider = new _DRE.ethers.providers.Web3Provider(_DRE.tenderlyRPC);
       _DRE.ethers.provider = provider;
       console.log('- Initialized Tenderly fork:');
       console.log('  - Fork: ', _DRE.tenderlyRPC.getFork());
       console.log('  - Head: ', _DRE.tenderlyRPC.getHead());
-      console.log('  - First account:', await (await _DRE.ethers.getSigners())[0].getAddress());
-      console.log(
-        '  - Balance:',
-        formatEther(await (await _DRE.ethers.getSigners())[0].getBalance())
-      );
     }
 
     console.log('- Enviroment');

test-suites/test-aave/__setup.spec.ts

@@ -4,6 +4,7 @@ import {
   insertContractAddressInDb,
   getEthersSigners,
   registerContractInJsonDb,
+  getEthersSignersAddresses,
 } from '../../helpers/contracts-helpers';
 import {
   deployLendingPoolAddressesProvider,
@@ -102,9 +103,7 @@ const buildTestEnv = async (deployer: Signer, secondaryWallet: Signer) => {
   await waitForTx(await addressesProvider.setPoolAdmin(aaveAdmin));
 
   //setting users[1] as emergency admin, which is in position 2 in the DRE addresses list
-  const addressList = await Promise.all(
+  const addressList = await getEthersSignersAddresses();
-    (await DRE.ethers.getSigners()).map((signer) => signer.getAddress())
-  );
 
   await waitForTx(await addressesProvider.setEmergencyAdmin(addressList[2]));
 

test-suites/test-amm/__setup.spec.ts

@@ -4,6 +4,7 @@ import {
   insertContractAddressInDb,
   getEthersSigners,
   registerContractInJsonDb,
+  getEthersSignersAddresses,
 } from '../../helpers/contracts-helpers';
 import {
   deployLendingPoolAddressesProvider,
@@ -101,9 +102,7 @@ const buildTestEnv = async (deployer: Signer, secondaryWallet: Signer) => {
   await waitForTx(await addressesProvider.setPoolAdmin(aaveAdmin));
 
   //setting users[1] as emergency admin, which is in position 2 in the DRE addresses list
-  const addressList = await Promise.all(
+  const addressList = await getEthersSignersAddresses();
-    (await DRE.ethers.getSigners()).map((signer) => signer.getAddress())
-  );
 
   await waitForTx(await addressesProvider.setEmergencyAdmin(addressList[2]));
 

tsconfig.json

@@ -8,7 +8,7 @@
     "noImplicitAny": false,
     "resolveJsonModule": true
   },
-  "include": ["./scripts", "./test", "./tasks", "test-suites/test-aave/uniswapAdapters.repay.spec.ts", "test-suites/test-aave/upgradeability.spec.ts", "test-suites/test-aave/variable-debt-token.spec.ts", "test-suites/test-aave/weth-gateway.spec.ts"],
+  "include": ["./scripts", "./test", "./tasks", "./helpers", "test-suites/test-aave/uniswapAdapters.repay.spec.ts", "test-suites/test-aave/upgradeability.spec.ts", "test-suites/test-aave/variable-debt-token.spec.ts", "test-suites/test-aave/weth-gateway.spec.ts"],
   "files": [
     "./hardhat.config.ts",
     "./modules/tenderly/tenderly.d.ts",