Feat/aip ampl

.ampl.env

@@ -0,0 +1,22 @@
+# in GWEI
+# DEFAULT_GAS_PRICE=  50 
+TOKEN=0xd46ba6d942050d489dbd938a2c909a5d5039a161
+ATOKEN=0x6fBC3BE5ee5273598d1491D41bB45F6d05a7541A
+STABLE_DEBT_TOKEN=0x0e8f4fc4c261d454b13C74507Bce8C38AA990361
+VARIABLE_DEBT_TOKEN=0x3A38bbc6438d2CE2a9e8F116F315a23433755947
+INTEREST_STRATEGY=0x9A8CA7e1d64AFfF2664443B3803f280345F5336B
+LTV=0
+LIQUIDATION_THRESHOLD=0
+LIQUIDATION_BONUS=0
+RESERVE_FACTOR=2000
+DECIMALS=9
+ENABLE_BORROW=true
+ENABLE_STABLE_BORROW=false
+ENABLE_AS_COLLATERAL=false
+IPFS_HASH=QmX24WkPm4WLurTq4R24Neo1KMV3hs9KCg2EkhAYcQvV1e
+
+# By default executor and governance addresses set to mainnet addresses
+# Uncomment the following for kovan 
+#AAVE_SHORT_EXECUTOR=0x2012b02574f32a96b9cfb8ba7fdfd589d5c70f50
+#AAVE_GOVERNANCE_V2=0xc2ebab3bac8f2f5028f5c7317027a41ebfca31d2
+

contracts/assetListing/AIP12AMPL.sol

@@ -0,0 +1,69 @@
+// SPDX-License-Identifier: AGPL-3.0
+pragma solidity 0.6.12;
+pragma experimental ABIEncoderV2;
+
+import {IERC20} from './interfaces/IERC20.sol';
+import {ILendingPoolConfiguratorV2} from './interfaces/ILendingPoolConfiguratorV2.sol';
+import {IOverlyingAsset} from './interfaces/IOverlyingAsset.sol';
+import {ILendingPoolAddressesProvider} from './interfaces/ILendingPoolAddressesProvider.sol';
+import {IAAMPL} from './interfaces/IAAMPL.sol';
+import {ILendingPool, DataTypes} from './interfaces/ILendingPool.sol';
+/**
+ * @title AssetListingProposalGenericExecutor
+ * @notice Proposal payload to be executed by the Aave Governance contract via DELEGATECALL
+ * @author Aave
+ **/
+contract AIP12AMPL {
+  event ProposalExecuted();
+
+  ILendingPoolAddressesProvider public constant LENDING_POOL_ADDRESSES_PROVIDER = 
+    ILendingPoolAddressesProvider(0xB53C1a33016B2DC2fF3653530bfF1848a515c8c5);
+
+  address public constant token = 0xD46bA6D942050d489DBd938a2C909A5d5039A161;
+  address public constant aToken = 0x6fBC3BE5ee5273598d1491D41bB45F6d05a7541A;
+  address public constant stableDebtToken = 0x0e8f4fc4c261d454b13C74507Bce8C38AA990361;
+  address public constant variableDebtToken = 0x3A38bbc6438d2CE2a9e8F116F315a23433755947;
+  address public constant interestStrategy = 0x9A8CA7e1d64AFfF2664443B3803f280345F5336B;
+  uint256 public constant ltv = 0;
+  uint256 public constant liquidationThreshold = 0;
+  uint256 public constant liquidationBonus = 0;
+  uint256 public constant reserveFactor = 2000;
+  uint8 public constant decimals = 9;
+
+  /**
+   * @dev Payload execution function, called once a proposal passed in the Aave governance
+   */
+  function execute() external {
+    ILendingPoolConfiguratorV2 LENDING_POOL_CONFIGURATOR_V2 =
+      ILendingPoolConfiguratorV2(LENDING_POOL_ADDRESSES_PROVIDER.getLendingPoolConfigurator());
+    require(
+      token == IOverlyingAsset(aToken).UNDERLYING_ASSET_ADDRESS(),
+      'ATOKEN: WRONG_UNDERLYING_TOKEN'
+    );
+    require(
+      token == IOverlyingAsset(stableDebtToken).UNDERLYING_ASSET_ADDRESS(),
+      'STABLE_DEBT: WRONG_UNDERLYING_TOKEN'
+    );
+    require(
+      token == IOverlyingAsset(variableDebtToken).UNDERLYING_ASSET_ADDRESS(),
+      'VARIABLE_DEBT: WRONG_UNDERLYING_TOKEN'
+    );
+    LENDING_POOL_CONFIGURATOR_V2.initReserve(
+      aToken,
+      stableDebtToken,
+      variableDebtToken,
+      decimals,
+      interestStrategy
+    );
+    LENDING_POOL_CONFIGURATOR_V2.enableBorrowingOnReserve(token, false);
+    LENDING_POOL_CONFIGURATOR_V2.setReserveFactor(token, reserveFactor);
+
+    ILendingPool pool = ILendingPool(LENDING_POOL_ADDRESSES_PROVIDER.getLendingPool());
+
+    DataTypes.ReserveData memory reserve = pool.getReserveData(token);
+
+    IAAMPL(reserve.aTokenAddress).initializeDebtTokens();
+
+    emit ProposalExecuted();
+  }
+}

contracts/assetListing/interfaces/IAAMPL.sol

@@ -0,0 +1,6 @@
+// SPDX-License-Identifier: agpl-3.0
+pragma solidity 0.6.12;
+
+interface IAAMPL {
+  function initializeDebtTokens() external;
+}

contracts/assetListing/interfaces/IERC20.sol

@@ -65,6 +65,8 @@ interface IERC20 {
     uint256 amount
   ) external returns (bool);
 
+  function decimals() external view returns (uint8);
+
   /**
    * @dev Emitted when `value` tokens are moved from one account (`from`) to
    * another (`to`).

hardhat.config.ts

@@ -11,6 +11,7 @@ import '@nomiclabs/hardhat-waffle';
 if (process.env.SKIP_LOAD !== 'true') {
   // eslint-disable-next-line global-require
   require('./tasks/list-new-asset.ts');
+  require('./tasks/list-ampl.ts');
 }
 
 export const BUIDLEREVM_CHAIN_ID = 31337;

package.json

@@ -9,6 +9,7 @@
     "test:crv": "MAINNET_FORK=true FORKING_BLOCK=11538355 hardhat test ./test/test-listing-crv.spec.ts",
     "test:bal": "MAINNET_FORK=true FORKING_BLOCK=11743368 hardhat test ./test/test-listing-bal.spec.ts",
     "test:xsushi": "MAINNET_FORK=true FORKING_BLOCK=11829845 hardhat test ./test/test-listing-xsushi.spec.ts",
+    "test:ampl": "MAINNET_FORK=true FORKING_BLOCK=12406480 hardhat test ./test/test-listing-ampl.spec.ts",
     "run-env": "npm i && tail -f /dev/null",
     "propose-new-asset:kovan": "hardhat create:proposal-new-asset --network kovan",
     "propose-new-asset:main": "hardhat create:proposal-new-asset --network main"

tasks/list-ampl.ts

@@ -0,0 +1,51 @@
+import { task } from 'hardhat/config';
+import '@nomiclabs/hardhat-ethers';
+import { getContractAt } from '@nomiclabs/hardhat-ethers/dist/src/helpers';
+import { config } from 'dotenv';
+import { IAaveGovernanceV2 } from '../types/IAaveGovernanceV2';
+import { HardhatRuntimeEnvironment } from 'hardhat/types';
+// eslint-disable-next-line @typescript-eslint/no-var-requires
+const bs58 = require('bs58');
+const AAVE_GOVERNANCE_V2 = '0xEC568fffba86c094cf06b22134B23074DFE2252c'; // mainnet
+const AAVE_SHORT_EXECUTOR = '0xee56e2b3d491590b5b31738cc34d5232f378a8d5'; // mainnet
+
+config();
+
+task('list:ampl', 'Create some proposals and votes')
+  // eslint-disable-next-line no-empty-pattern
+  .setAction(async ({}, _DRE: HardhatRuntimeEnvironment) => {
+    const {
+      IPFS_HASH,
+    } = process.env;
+    if (
+      !IPFS_HASH
+    ) {
+      throw new Error('please set `IPFS_HASH` as environment variable');
+    }
+    const proposer = (await _DRE.ethers.getSigners())[0];
+    const genericPayloadAddress = (
+      await _DRE.deployments.get('AIP12AMPL')
+    ).address;
+    const executeCallData = new _DRE.ethers.utils.Interface(['function execute()']).encodeFunctionData('execute');
+    const gov = (await getContractAt(
+      _DRE,
+      'IAaveGovernanceV2',
+      AAVE_GOVERNANCE_V2 || ''
+    )) as IAaveGovernanceV2;
+    const ipfsEncoded = `0x${bs58.decode(IPFS_HASH).slice(2).toString('hex')}`;
+
+    await (
+      await gov
+        .connect(proposer)
+        .create(
+          AAVE_SHORT_EXECUTOR,
+          [genericPayloadAddress],
+          ['0'],
+          [''],
+          [executeCallData],
+          [true],
+          ipfsEncoded
+        )
+    ).wait();
+    console.log('Your Proposal has been submitted');
+  });