mirror of
https://github.com/Instadapp/dsa-polygon-migration.git
synced 2024-07-29 22:27:58 +00:00
Remove unused contracts
This commit is contained in:
Mubaris NK
parent
6ed39de29d
commit
6131165008
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@ -1,13 +0,0 @@
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pragma solidity ^0.7.0;
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pragma experimental ABIEncoderV2;
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contract Events {
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event LogMigrateAaveV2(
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address indexed owner,
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address[] supplyTokens,
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address[] borrowTokens,
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uint[] supplyAmts,
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uint[] variableBorrowAmts,
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uint[] stableBorrowAmts
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);
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}
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@ -1,31 +0,0 @@
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pragma solidity ^0.7.0;
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import { DSMath } from "../../common/math.sol";
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import { Stores } from "../../common/stores-polygon.sol";
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import {
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AaveLendingPoolProviderInterface,
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AaveDataProviderInterface,
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AaveInterface
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} from "./interfaces.sol";
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abstract contract Helpers is DSMath, Stores {
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/**
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* @dev Aave referal code
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*/
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uint16 constant internal referralCode = 3228;
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/**
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* @dev Aave Provider (TODO - Replace the address)
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*/
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AaveLendingPoolProviderInterface constant internal aaveProvider = AaveLendingPoolProviderInterface(0xB53C1a33016B2DC2fF3653530bfF1848a515c8c5);
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/**
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* @dev Aave Data Provider (TODO - Replace the address)
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*/
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AaveDataProviderInterface constant internal aaveData = AaveDataProviderInterface(0x057835Ad21a177dbdd3090bB1CAE03EaCF78Fc6d);
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function getIsColl(address token) internal view returns (bool isCol) {
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(, , , , , , , , isCol) = aaveData.getUserReserveData(token, address(this));
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}
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}
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@ -1,86 +0,0 @@
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pragma solidity ^0.7.0;
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pragma experimental ABIEncoderV2;
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interface AaveInterface {
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function deposit(address _asset, uint256 _amount, address _onBehalfOf, uint16 _referralCode) external;
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function withdraw(address _asset, uint256 _amount, address _to) external;
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function borrow(
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address _asset,
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uint256 _amount,
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uint256 _interestRateMode,
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uint16 _referralCode,
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address _onBehalfOf
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) external;
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function repay(address _asset, uint256 _amount, uint256 _rateMode, address _onBehalfOf) external;
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function setUserUseReserveAsCollateral(address _asset, bool _useAsCollateral) external;
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function getUserAccountData(address user) external view returns (
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uint256 totalCollateralETH,
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uint256 totalDebtETH,
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uint256 availableBorrowsETH,
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uint256 currentLiquidationThreshold,
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uint256 ltv,
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uint256 healthFactor
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);
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}
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interface AaveLendingPoolProviderInterface {
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function getLendingPool() external view returns (address);
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}
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// Aave Protocol Data Provider
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interface AaveDataProviderInterface {
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function getReserveTokensAddresses(address _asset) external view returns (
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address aTokenAddress,
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address stableDebtTokenAddress,
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address variableDebtTokenAddress
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);
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function getUserReserveData(address _asset, address _user) external view returns (
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uint256 currentATokenBalance,
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uint256 currentStableDebt,
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uint256 currentVariableDebt,
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uint256 principalStableDebt,
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uint256 scaledVariableDebt,
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uint256 stableBorrowRate,
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uint256 liquidityRate,
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uint40 stableRateLastUpdated,
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bool usageAsCollateralEnabled
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);
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function getReserveConfigurationData(address asset) external view returns (
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uint256 decimals,
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uint256 ltv,
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uint256 liquidationThreshold,
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uint256 liquidationBonus,
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uint256 reserveFactor,
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bool usageAsCollateralEnabled,
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bool borrowingEnabled,
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bool stableBorrowRateEnabled,
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bool isActive,
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bool isFrozen
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);
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}
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interface AaveAddressProviderRegistryInterface {
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function getAddressesProvidersList() external view returns (address[] memory);
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}
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interface ATokenInterface {
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function scaledBalanceOf(address _user) external view returns (uint256);
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function isTransferAllowed(address _user, uint256 _amount) external view returns (bool);
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function balanceOf(address _user) external view returns(uint256);
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function transferFrom(address, address, uint) external returns (bool);
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function approve(address, uint256) external;
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}
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struct AaveData {
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bool isFinal;
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address targetDsa;
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uint[] supplyAmts;
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uint[] variableBorrowAmts;
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uint[] stableBorrowAmts;
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address[] supplyTokens;
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address[] borrowTokens;
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}
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interface ReceiverInterface {
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function getPosition(address) external view returns (AaveData memory);
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}
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@ -1,55 +0,0 @@
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pragma solidity ^0.7.0;
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pragma experimental ABIEncoderV2;
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import { SafeERC20 } from "@openzeppelin/contracts/token/ERC20/SafeERC20.sol";
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import { IERC20 } from "@openzeppelin/contracts/token/ERC20/IERC20.sol";
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import { TokenInterface, AccountInterface } from "../../common/interfaces.sol";
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import { AaveInterface, ReceiverInterface, AaveData } from "./interfaces.sol";
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import { Helpers } from "./helpers.sol";
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import { Events } from "./events.sol";
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contract AaveMigratorResolver is Helpers, Events {
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using SafeERC20 for IERC20;
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ReceiverInterface public immutable receiver;
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constructor(address _receiver) {
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receiver = ReceiverInterface(_receiver);
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}
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function migrateAave(address owner) external payable returns (bytes32) {
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require(msg.sender == address(receiver) && AccountInterface(address(this)).isAuth(owner), "not-authorized");
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AaveData memory data = receiver.getPosition(owner);
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require(!data.isFinal, "already-migrated");
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AaveInterface aave = AaveInterface(aaveProvider.getLendingPool());
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for (uint i = 0; i < data.supplyTokens.length; i++) {
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TokenInterface token = TokenInterface(data.supplyTokens[i]);
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uint amt = data.supplyAmts[i];
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token.approve(address(aave), amt);
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aave.deposit(address(token), amt, address(this), referralCode);
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if (!getIsColl(address(token))) {
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aave.setUserUseReserveAsCollateral(address(token), true);
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}
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}
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for (uint i = 0; i < data.borrowTokens.length; i++) {
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address token = data.borrowTokens[i];
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uint variableAmt = data.variableBorrowAmts[i];
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uint stableAmt = data.stableBorrowAmts[i];
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if (variableAmt > 0) {
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aave.borrow(token, variableAmt, 2, referralCode, address(this));
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}
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if (stableAmt > 0) {
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aave.borrow(token, stableAmt, 1, referralCode, address(this));
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}
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uint totalAmt = add(variableAmt, stableAmt);
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IERC20(token).safeTransfer(address(receiver), totalAmt);
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}
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}
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}
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pragma solidity ^0.7.0;
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pragma experimental ABIEncoderV2;
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contract Events {
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event LogDeposit(
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address owner,
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address[] tokens,
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uint[] amts
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);
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event LogWithdraw(
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address owner,
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address[] tokens,
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uint[] amts
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);
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}
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@ -1,21 +0,0 @@
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pragma solidity ^0.7.0;
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import { DSMath } from "../../common/math.sol";
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import { TokenMappingInterface, AaveData } from "./interfaces.sol";
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abstract contract Helpers is DSMath {
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// Replace this
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TokenMappingInterface tokenMapping = TokenMappingInterface(address(2));
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function remapTokens(AaveData memory data) internal returns (AaveData memory) {
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for (uint i = 0; i < data.supplyTokens.length; i++) {
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data.supplyTokens[i] = tokenMapping.getMapping(data.supplyTokens[i]);
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}
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for (uint i = 0; i < data.borrowTokens.length; i++) {
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data.borrowTokens[i] = tokenMapping.getMapping(data.borrowTokens[i]);
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}
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return data;
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}
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}
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pragma solidity ^0.7.0;
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pragma experimental ABIEncoderV2;
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interface AccountInterface {
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function enable(address) external;
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function disable(address) external;
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function isAuth(address) external view returns (bool);
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function cast(
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string[] calldata _targets,
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bytes[] calldata _datas,
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address _origin
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) external payable returns (bytes32);
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function migrateAave(address) external payable returns (bytes32);
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}
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interface TokenMappingInterface {
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function getMapping(address) external view returns (address);
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}
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struct AaveData {
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bool isFinal;
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address targetDsa;
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uint[] supplyAmts;
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uint[] variableBorrowAmts;
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uint[] stableBorrowAmts;
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address[] supplyTokens;
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address[] borrowTokens;
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}
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@ -1,115 +0,0 @@
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pragma solidity ^0.7.0;
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pragma experimental ABIEncoderV2;
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import { SafeERC20 } from "@openzeppelin/contracts/token/ERC20/SafeERC20.sol";
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import { IERC20 } from "@openzeppelin/contracts/token/ERC20/IERC20.sol";
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import { AccountInterface, AaveData } from "./interfaces.sol";
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import { Events } from "./events.sol";
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import { Helpers } from "./helpers.sol";
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contract MigrateResolver is Helpers, Events {
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using SafeERC20 for IERC20;
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mapping (address => AaveData) public positions;
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mapping(address => mapping(address => uint)) deposits;
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function deposit(address[] calldata tokens, uint[] calldata amts) external {
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uint _length = tokens.length;
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require(_length == amts.length, "invalid-length");
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uint[] memory _amts = new uint[](_length);
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for (uint256 i = 0; i < _length; i++) {
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address _token = tokens[i];
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IERC20 tokenContract = IERC20(_token);
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uint _amt = amts[i] == uint(-1) ? tokenContract.balanceOf(msg.sender) : amts[i];
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tokenContract.safeTransferFrom(msg.sender, address(this), _amt);
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deposits[msg.sender][_token] = _amt;
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_amts[i] = _amt;
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}
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emit LogDeposit(msg.sender, tokens, _amts);
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}
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function withdraw(address[] calldata tokens, uint[] calldata amts) external {
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uint _length = tokens.length;
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require(_length == amts.length, "invalid-length");
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uint[] memory _amts = new uint[](_length);
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for (uint256 i = 0; i < _length; i++) {
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uint _amt = amts[i];
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address _token = tokens[i];
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uint maxAmt = deposits[msg.sender][_token];
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if (_amt > maxAmt) {
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_amt = maxAmt;
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}
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IERC20(_token).safeTransfer(msg.sender, _amt);
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deposits[msg.sender][_token] = sub(maxAmt, _amt);
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_amts[i] = _amt;
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}
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emit LogWithdraw(msg.sender, tokens, _amts);
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}
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}
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contract AaveV2Migrator is MigrateResolver {
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using SafeERC20 for IERC20;
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uint private lastStateId;
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function _migratePosition(address owner) internal {
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AaveData storage data = positions[owner];
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require(!data.isFinal, "already-migrated");
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for (uint i = 0; i < data.supplyTokens.length; i++) {
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IERC20(data.supplyTokens[i]).safeTransfer(data.targetDsa, data.supplyAmts[i]);
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}
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AccountInterface(data.targetDsa).migrateAave(owner);
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data.isFinal = true;
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}
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function getPosition(address owner) public view returns (AaveData memory data) {
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data = positions[owner];
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}
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function canMigrate(address owner) public view returns (bool can) {
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can = true;
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AaveData memory data = getPosition(owner);
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for (uint i = 0; i < data.supplyTokens.length; i++) {
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IERC20 token = IERC20(data.supplyTokens[i]);
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if (token.balanceOf(address(this)) < data.supplyAmts[i]) {
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can = false;
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}
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}
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}
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function onStateReceive(uint256 stateId, bytes calldata receivedData) external {
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// require(stateId > lastStateId, "wrong-data");
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lastStateId = stateId;
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(address owner, AaveData memory data) = abi.decode(receivedData, (address, AaveData));
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positions[owner] = remapTokens(data);
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if (canMigrate(owner)) {
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_migratePosition(owner);
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}
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}
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function migrate(address owner) external {
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require(canMigrate(owner), "not-enough-liquidity");
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_migratePosition(owner);
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}
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}
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@ -1,10 +0,0 @@
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pragma solidity ^0.7.0;
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contract Events {
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event LogAaveV2Migrate(
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address indexed user,
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address indexed targetDsa,
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address[] supplyTokens,
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address[] borrowTokens
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);
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}
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@ -1,15 +0,0 @@
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pragma solidity ^0.7.0;
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import { DSMath } from "../../common/math.sol";
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import { Stores } from "../../common/stores-mainnet.sol";
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import { AaveLendingPoolProviderInterface, AaveDataProviderInterface, AaveMigratorInterface } from "./interfaces.sol";
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abstract contract Helpers is DSMath, Stores {
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AaveMigratorInterface constant internal migrator = AaveMigratorInterface(address(2)); // Replace this (Migrator contract)
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/**
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* @dev Aave Data Provider
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*/
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AaveDataProviderInterface constant internal aaveData = AaveDataProviderInterface(0x057835Ad21a177dbdd3090bB1CAE03EaCF78Fc6d);
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}
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@ -1,87 +0,0 @@
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pragma solidity ^0.7.0;
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pragma experimental ABIEncoderV2;
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interface AaveInterface {
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function deposit(address _asset, uint256 _amount, address _onBehalfOf, uint16 _referralCode) external;
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function withdraw(address _asset, uint256 _amount, address _to) external;
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function borrow(
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address _asset,
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uint256 _amount,
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uint256 _interestRateMode,
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uint16 _referralCode,
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address _onBehalfOf
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) external;
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function repay(address _asset, uint256 _amount, uint256 _rateMode, address _onBehalfOf) external;
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function setUserUseReserveAsCollateral(address _asset, bool _useAsCollateral) external;
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function getUserAccountData(address user) external view returns (
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uint256 totalCollateralETH,
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uint256 totalDebtETH,
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uint256 availableBorrowsETH,
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uint256 currentLiquidationThreshold,
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uint256 ltv,
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uint256 healthFactor
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);
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}
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interface AaveLendingPoolProviderInterface {
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function getLendingPool() external view returns (address);
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}
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// Aave Protocol Data Provider
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interface AaveDataProviderInterface {
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function getReserveTokensAddresses(address _asset) external view returns (
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address aTokenAddress,
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address stableDebtTokenAddress,
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address variableDebtTokenAddress
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);
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function getUserReserveData(address _asset, address _user) external view returns (
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uint256 currentATokenBalance,
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uint256 currentStableDebt,
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uint256 currentVariableDebt,
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uint256 principalStableDebt,
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uint256 scaledVariableDebt,
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uint256 stableBorrowRate,
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uint256 liquidityRate,
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uint40 stableRateLastUpdated,
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bool usageAsCollateralEnabled
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);
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function getReserveConfigurationData(address asset) external view returns (
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uint256 decimals,
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uint256 ltv,
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uint256 liquidationThreshold,
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uint256 liquidationBonus,
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uint256 reserveFactor,
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bool usageAsCollateralEnabled,
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bool borrowingEnabled,
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bool stableBorrowRateEnabled,
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bool isActive,
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bool isFrozen
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);
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}
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interface AaveAddressProviderRegistryInterface {
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function getAddressesProvidersList() external view returns (address[] memory);
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}
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interface ATokenInterface {
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function scaledBalanceOf(address _user) external view returns (uint256);
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function isTransferAllowed(address _user, uint256 _amount) external view returns (bool);
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function balanceOf(address _user) external view returns(uint256);
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function transferFrom(address, address, uint) external returns (bool);
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function approve(address, uint256) external;
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}
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interface AaveMigratorInterface {
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function migrate(address, address, address[] calldata, address[] calldata) external;
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function migrate(address, AaveData memory) external;
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}
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struct AaveData {
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bool isFinal;
|
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address targetDsa;
|
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uint[] supplyAmts;
|
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uint[] variableBorrowAmts;
|
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uint[] stableBorrowAmts;
|
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address[] supplyTokens;
|
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address[] borrowTokens;
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}
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|
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@ -1,72 +0,0 @@
|
|||
pragma solidity ^0.7.0;
|
||||
pragma experimental ABIEncoderV2;
|
||||
|
||||
import { TokenInterface, AccountInterface } from "../../common/interfaces.sol";
|
||||
import { AaveInterface, ATokenInterface, AaveData } from "./interfaces.sol";
|
||||
import { Helpers } from "./helpers.sol";
|
||||
import { Events } from "./events.sol";
|
||||
|
||||
contract AaveMigrateResolver is Helpers, Events {
|
||||
|
||||
// function migrate(
|
||||
// address targetDsa,
|
||||
// address[] calldata supplyTokens,
|
||||
// address[] calldata borrowTokens
|
||||
// ) external payable returns (string memory _eventName, bytes memory _eventParam) {
|
||||
// require(supplyTokens.length > 0, "0-length-not-allowed");
|
||||
// require(targetDsa != address(0), "invalid-address");
|
||||
|
||||
// for (uint i = 0; i < supplyTokens.length; i++) {
|
||||
// address _token = supplyTokens[i] == ethAddr ? wethAddr : supplyTokens[i];
|
||||
// (address _aToken, ,) = aaveData.getReserveTokensAddresses(_token);
|
||||
// ATokenInterface _aTokenContract = ATokenInterface(_aToken);
|
||||
// _aTokenContract.approve(address(migrator), _aTokenContract.balanceOf(address(this)));
|
||||
// }
|
||||
|
||||
// migrator.migrate(msg.sender, targetDsa, supplyTokens, borrowTokens);
|
||||
|
||||
// _eventName = "LogAaveV2Migrate(address,address,address[],address[])";
|
||||
// _eventParam = abi.encode(msg.sender, targetDsa, supplyTokens, borrowTokens);
|
||||
// }
|
||||
|
||||
function migrate(
|
||||
AaveData calldata _data
|
||||
) external payable returns (string memory _eventName, bytes memory _eventParam) {
|
||||
require(_data.supplyTokens.length > 0, "0-length-not-allowed");
|
||||
require(_data.supplyTokens.length == _data.supplyAmts.length, "invalid-length");
|
||||
require(_data.targetDsa != address(0), "invalid-address");
|
||||
require(!_data.isFinal, "wrong-data");
|
||||
|
||||
AaveData memory data;
|
||||
|
||||
data.borrowTokens = _data.borrowTokens;
|
||||
data.isFinal = _data.isFinal;
|
||||
data.stableBorrowAmts = _data.stableBorrowAmts;
|
||||
data.supplyAmts = _data.supplyAmts;
|
||||
data.supplyTokens = _data.supplyTokens;
|
||||
data.targetDsa = _data.targetDsa;
|
||||
data.variableBorrowAmts = _data.variableBorrowAmts;
|
||||
|
||||
for (uint i = 0; i < data.supplyTokens.length; i++) {
|
||||
address _token = data.supplyTokens[i] == ethAddr ? wethAddr : data.supplyTokens[i];
|
||||
data.supplyTokens[i] = _token;
|
||||
(address _aToken, ,) = aaveData.getReserveTokensAddresses(_token);
|
||||
ATokenInterface _aTokenContract = ATokenInterface(_aToken);
|
||||
|
||||
if (data.supplyAmts[i] == uint(-1)) {
|
||||
data.supplyAmts[i] = _aTokenContract.balanceOf(address(this));
|
||||
}
|
||||
|
||||
_aTokenContract.approve(address(migrator), data.supplyAmts[i]);
|
||||
}
|
||||
|
||||
migrator.migrate(msg.sender, data);
|
||||
|
||||
_eventName = "LogAaveV2Migrate(address,address,address[],address[])";
|
||||
_eventParam = abi.encode(msg.sender, data.targetDsa, data.supplyTokens, data.borrowTokens);
|
||||
}
|
||||
}
|
||||
|
||||
contract AaveV2Migrator is AaveMigrateResolver {
|
||||
string constant public name = "AaveV2PolygonMigrator-v1";
|
||||
}
|
||||
|
|
@ -1,26 +0,0 @@
|
|||
pragma solidity ^0.7.0;
|
||||
pragma experimental ABIEncoderV2;
|
||||
|
||||
contract Events {
|
||||
event LogDeposit(
|
||||
address owner,
|
||||
address[] tokens,
|
||||
uint[] amts
|
||||
);
|
||||
|
||||
event LogWithdraw(
|
||||
address owner,
|
||||
address[] tokens,
|
||||
uint[] amts
|
||||
);
|
||||
|
||||
event LogAaveV2Migrate(
|
||||
address indexed user,
|
||||
address indexed targetDsa,
|
||||
address[] supplyTokens,
|
||||
address[] borrowTokens,
|
||||
uint[] supplyAmts,
|
||||
uint[] variableBorrowAmts,
|
||||
uint[] stableBorrowAmts
|
||||
);
|
||||
}
|
||||
|
|
@ -1,80 +0,0 @@
|
|||
pragma solidity ^0.7.0;
|
||||
|
||||
import { DSMath } from "../../common/math.sol";
|
||||
import { Stores } from "../../common/stores-mainnet.sol";
|
||||
|
||||
import {
|
||||
AaveLendingPoolProviderInterface,
|
||||
AaveDataProviderInterface,
|
||||
AaveInterface,
|
||||
StateSenderInterface
|
||||
} from "./interfaces.sol";
|
||||
|
||||
abstract contract Helpers is DSMath, Stores {
|
||||
/**
|
||||
* @dev Aave referal code
|
||||
*/
|
||||
uint16 constant internal referralCode = 3228;
|
||||
|
||||
address constant internal polygonReceiver = address(2); // Replace this
|
||||
|
||||
/**
|
||||
* @dev Aave Provider
|
||||
*/
|
||||
AaveLendingPoolProviderInterface constant internal aaveProvider = AaveLendingPoolProviderInterface(0xB53C1a33016B2DC2fF3653530bfF1848a515c8c5);
|
||||
|
||||
/**
|
||||
* @dev Aave Data Provider
|
||||
*/
|
||||
AaveDataProviderInterface constant internal aaveData = AaveDataProviderInterface(0x057835Ad21a177dbdd3090bB1CAE03EaCF78Fc6d);
|
||||
|
||||
/**
|
||||
* @dev Polygon State Sync Contract
|
||||
*/
|
||||
StateSenderInterface constant internal stateSender = StateSenderInterface(0x28e4F3a7f651294B9564800b2D01f35189A5bFbE);
|
||||
|
||||
function _paybackBehalfOne(AaveInterface aave, address token, uint amt, uint rateMode, address user) private {
|
||||
aave.repay(token, amt, rateMode, user);
|
||||
}
|
||||
|
||||
function _PaybackStable(
|
||||
uint _length,
|
||||
AaveInterface aave,
|
||||
address[] memory tokens,
|
||||
uint256[] memory amts,
|
||||
address user
|
||||
) internal {
|
||||
for (uint i = 0; i < _length; i++) {
|
||||
if (amts[i] > 0) {
|
||||
_paybackBehalfOne(aave, tokens[i], amts[i], 1, user);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
function _PaybackVariable(
|
||||
uint _length,
|
||||
AaveInterface aave,
|
||||
address[] memory tokens,
|
||||
uint256[] memory amts,
|
||||
address user
|
||||
) internal {
|
||||
for (uint i = 0; i < _length; i++) {
|
||||
if (amts[i] > 0) {
|
||||
_paybackBehalfOne(aave, tokens[i], amts[i], 2, user);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
function _Withdraw(
|
||||
uint _length,
|
||||
AaveInterface aave,
|
||||
address[] memory tokens,
|
||||
uint256[] memory amts
|
||||
) internal {
|
||||
for (uint i = 0; i < _length; i++) {
|
||||
if (amts[i] > 0) {
|
||||
aave.withdraw(tokens[i], amts[i], address(this));
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
@ -1,77 +0,0 @@
|
|||
pragma solidity ^0.7.0;
|
||||
pragma experimental ABIEncoderV2;
|
||||
|
||||
interface AaveInterface {
|
||||
function deposit(address _asset, uint256 _amount, address _onBehalfOf, uint16 _referralCode) external;
|
||||
function withdraw(address _asset, uint256 _amount, address _to) external;
|
||||
function borrow(
|
||||
address _asset,
|
||||
uint256 _amount,
|
||||
uint256 _interestRateMode,
|
||||
uint16 _referralCode,
|
||||
address _onBehalfOf
|
||||
) external;
|
||||
function repay(address _asset, uint256 _amount, uint256 _rateMode, address _onBehalfOf) external;
|
||||
function setUserUseReserveAsCollateral(address _asset, bool _useAsCollateral) external;
|
||||
function getUserAccountData(address user) external view returns (
|
||||
uint256 totalCollateralETH,
|
||||
uint256 totalDebtETH,
|
||||
uint256 availableBorrowsETH,
|
||||
uint256 currentLiquidationThreshold,
|
||||
uint256 ltv,
|
||||
uint256 healthFactor
|
||||
);
|
||||
}
|
||||
|
||||
interface AaveLendingPoolProviderInterface {
|
||||
function getLendingPool() external view returns (address);
|
||||
}
|
||||
|
||||
// Aave Protocol Data Provider
|
||||
interface AaveDataProviderInterface {
|
||||
function getReserveTokensAddresses(address _asset) external view returns (
|
||||
address aTokenAddress,
|
||||
address stableDebtTokenAddress,
|
||||
address variableDebtTokenAddress
|
||||
);
|
||||
function getUserReserveData(address _asset, address _user) external view returns (
|
||||
uint256 currentATokenBalance,
|
||||
uint256 currentStableDebt,
|
||||
uint256 currentVariableDebt,
|
||||
uint256 principalStableDebt,
|
||||
uint256 scaledVariableDebt,
|
||||
uint256 stableBorrowRate,
|
||||
uint256 liquidityRate,
|
||||
uint40 stableRateLastUpdated,
|
||||
bool usageAsCollateralEnabled
|
||||
);
|
||||
function getReserveConfigurationData(address asset) external view returns (
|
||||
uint256 decimals,
|
||||
uint256 ltv,
|
||||
uint256 liquidationThreshold,
|
||||
uint256 liquidationBonus,
|
||||
uint256 reserveFactor,
|
||||
bool usageAsCollateralEnabled,
|
||||
bool borrowingEnabled,
|
||||
bool stableBorrowRateEnabled,
|
||||
bool isActive,
|
||||
bool isFrozen
|
||||
);
|
||||
}
|
||||
|
||||
interface AaveAddressProviderRegistryInterface {
|
||||
function getAddressesProvidersList() external view returns (address[] memory);
|
||||
}
|
||||
|
||||
interface ATokenInterface {
|
||||
function scaledBalanceOf(address _user) external view returns (uint256);
|
||||
function isTransferAllowed(address _user, uint256 _amount) external view returns (bool);
|
||||
function balanceOf(address _user) external view returns(uint256);
|
||||
function transferFrom(address, address, uint) external returns (bool);
|
||||
function approve(address, uint256) external;
|
||||
}
|
||||
|
||||
interface StateSenderInterface {
|
||||
function syncState(address receiver, bytes calldata data) external;
|
||||
function register(address sender, address receiver) external;
|
||||
}
|
||||
|
|
@ -1,241 +0,0 @@
|
|||
pragma solidity ^0.7.0;
|
||||
pragma experimental ABIEncoderV2;
|
||||
|
||||
import { SafeERC20 } from "@openzeppelin/contracts/token/ERC20/SafeERC20.sol";
|
||||
import { IERC20 } from "@openzeppelin/contracts/token/ERC20/IERC20.sol";
|
||||
|
||||
import { TokenInterface } from "../../common/interfaces.sol";
|
||||
import { Helpers } from "./helpers.sol";
|
||||
import { AaveInterface, ATokenInterface } from "./interfaces.sol";
|
||||
import { Events } from "./events.sol";
|
||||
|
||||
contract LiquidityResolver is Helpers, Events {
|
||||
using SafeERC20 for IERC20;
|
||||
|
||||
mapping(address => mapping(address => uint)) deposits;
|
||||
|
||||
function deposit(address[] calldata tokens, uint[] calldata amts) external payable {
|
||||
uint _length = tokens.length;
|
||||
require(_length == amts.length, "invalid-length");
|
||||
|
||||
uint[] memory _amts = new uint[](_length);
|
||||
|
||||
for (uint256 i = 0; i < _length; i++) {
|
||||
uint _amt;
|
||||
address _token = tokens[i];
|
||||
if (_token == ethAddr) {
|
||||
require(msg.value == amts[i]);
|
||||
_amt = msg.value;
|
||||
|
||||
TokenInterface(wethAddr).deposit{value: msg.value}();
|
||||
} else {
|
||||
IERC20 tokenContract = IERC20(_token);
|
||||
_amt = amts[i] == uint(-1) ? tokenContract.balanceOf(msg.sender) : amts[i];
|
||||
tokenContract.safeTransferFrom(msg.sender, address(this), _amt);
|
||||
}
|
||||
|
||||
_amts[i] = _amt;
|
||||
|
||||
deposits[msg.sender][_token] = _amt;
|
||||
}
|
||||
|
||||
emit LogDeposit(msg.sender, tokens, _amts);
|
||||
}
|
||||
|
||||
function withdraw(address[] calldata tokens, uint[] calldata amts) external {
|
||||
uint _length = tokens.length;
|
||||
require(_length == amts.length, "invalid-length");
|
||||
|
||||
uint[] memory _amts = new uint[](_length);
|
||||
|
||||
for (uint256 i = 0; i < _length; i++) {
|
||||
uint _amt = amts[i];
|
||||
address _token = tokens[i];
|
||||
uint maxAmt = deposits[msg.sender][_token];
|
||||
|
||||
if (_amt > maxAmt) {
|
||||
_amt = maxAmt;
|
||||
}
|
||||
|
||||
if (_token == ethAddr) {
|
||||
TokenInterface(wethAddr).withdraw(_amt);
|
||||
msg.sender.call{value: _amt}("");
|
||||
} else {
|
||||
IERC20(_token).safeTransfer(msg.sender, _amt);
|
||||
}
|
||||
|
||||
_amts[i] = _amt;
|
||||
|
||||
deposits[msg.sender][_token] = sub(maxAmt, _amt);
|
||||
}
|
||||
|
||||
emit LogWithdraw(msg.sender, tokens, _amts);
|
||||
}
|
||||
}
|
||||
|
||||
contract MigrateResolver is LiquidityResolver {
|
||||
using SafeERC20 for IERC20;
|
||||
|
||||
struct AaveData {
|
||||
bool isFinal;
|
||||
address targetDsa;
|
||||
uint[] supplyAmts;
|
||||
uint[] variableBorrowAmts;
|
||||
uint[] stableBorrowAmts;
|
||||
address[] supplyTokens;
|
||||
address[] borrowTokens;
|
||||
}
|
||||
|
||||
mapping (address => AaveData) public positions;
|
||||
|
||||
function migrate(address owner, AaveData calldata _data) external {
|
||||
require(_data.supplyTokens.length > 0, "0-length-not-allowed");
|
||||
require(_data.targetDsa != address(0), "invalid-address");
|
||||
require(_data.supplyTokens.length == _data.supplyAmts.length, "invalid-length");
|
||||
require(
|
||||
_data.borrowTokens.length == _data.variableBorrowAmts.length &&
|
||||
_data.borrowTokens.length == _data.stableBorrowAmts.length,
|
||||
"invalid-length"
|
||||
);
|
||||
|
||||
AaveData memory data;
|
||||
|
||||
data.borrowTokens = _data.borrowTokens;
|
||||
data.isFinal = _data.isFinal;
|
||||
data.stableBorrowAmts = _data.stableBorrowAmts;
|
||||
data.supplyAmts = _data.supplyAmts;
|
||||
data.supplyTokens = _data.supplyTokens;
|
||||
data.targetDsa = _data.targetDsa;
|
||||
data.variableBorrowAmts = _data.variableBorrowAmts;
|
||||
|
||||
address sourceDsa = msg.sender;
|
||||
|
||||
AaveInterface aave = AaveInterface(aaveProvider.getLendingPool());
|
||||
|
||||
(,,,,,uint healthFactor) = aave.getUserAccountData(sourceDsa);
|
||||
require(healthFactor > 1e18, "position-not-safe");
|
||||
|
||||
for (uint i = 0; i < data.supplyTokens.length; i++) {
|
||||
(address _aToken, ,) = aaveData.getReserveTokensAddresses(data.supplyTokens[i]);
|
||||
ATokenInterface aTokenContract = ATokenInterface(_aToken);
|
||||
|
||||
aTokenContract.transferFrom(msg.sender, address(this), data.supplyAmts[i]);
|
||||
}
|
||||
|
||||
for (uint i = 0; i < data.borrowTokens.length; i++) {
|
||||
address _token = data.borrowTokens[i] == ethAddr ? wethAddr : data.borrowTokens[i];
|
||||
data.borrowTokens[i] = _token;
|
||||
|
||||
(
|
||||
,
|
||||
uint stableDebt,
|
||||
uint variableDebt,
|
||||
,,,,,
|
||||
) = aaveData.getUserReserveData(_token, sourceDsa);
|
||||
|
||||
data.stableBorrowAmts[i] = data.stableBorrowAmts[i] == uint(-1) ? stableDebt : data.stableBorrowAmts[i];
|
||||
data.variableBorrowAmts[i] = data.variableBorrowAmts[i] == uint(-1) ? variableDebt : data.variableBorrowAmts[i];
|
||||
|
||||
|
||||
uint totalBorrowAmt = add(data.stableBorrowAmts[i], data.variableBorrowAmts[i]);
|
||||
if (totalBorrowAmt > 0) {
|
||||
IERC20(_token).safeApprove(address(aave), totalBorrowAmt);
|
||||
}
|
||||
}
|
||||
|
||||
_PaybackStable(data.borrowTokens.length, aave, data.borrowTokens, data.stableBorrowAmts, sourceDsa);
|
||||
_PaybackVariable(data.borrowTokens.length, aave, data.borrowTokens, data.variableBorrowAmts, sourceDsa);
|
||||
_Withdraw(data.supplyTokens.length, aave, data.supplyTokens, data.supplyAmts);
|
||||
|
||||
positions[owner] = data;
|
||||
bytes memory positionData = abi.encode(owner, data);
|
||||
stateSender.syncState(polygonReceiver, positionData);
|
||||
|
||||
emit LogAaveV2Migrate(
|
||||
msg.sender,
|
||||
data.targetDsa,
|
||||
data.supplyTokens,
|
||||
data.borrowTokens,
|
||||
data.supplyAmts,
|
||||
data.variableBorrowAmts,
|
||||
data.stableBorrowAmts
|
||||
);
|
||||
}
|
||||
|
||||
// function migrate(
|
||||
// address owner,
|
||||
// address targetDsa,
|
||||
// address[] calldata supplyTokens,
|
||||
// address[] calldata borrowTokens
|
||||
// ) external {
|
||||
// require(supplyTokens.length > 0, "0-length-not-allowed");
|
||||
// require(targetDsa != address(0), "invalid-address");
|
||||
|
||||
// address sourceDsa = msg.sender;
|
||||
|
||||
// AaveInterface aave = AaveInterface(aaveProvider.getLendingPool());
|
||||
|
||||
// AaveData memory data;
|
||||
|
||||
// (,,,,,uint healthFactor) = aave.getUserAccountData(sourceDsa);
|
||||
// require(healthFactor > 1e18, "position-not-safe");
|
||||
|
||||
// data.supplyAmts = new uint[](supplyTokens.length);
|
||||
// data.supplyTokens = new address[](supplyTokens.length);
|
||||
// data.targetDsa = targetDsa;
|
||||
|
||||
// for (uint i = 0; i < supplyTokens.length; i++) {
|
||||
// address _token = supplyTokens[i] == ethAddr ? wethAddr : supplyTokens[i];
|
||||
// (address _aToken, ,) = aaveData.getReserveTokensAddresses(_token);
|
||||
|
||||
// ATokenInterface aTokenContract = ATokenInterface(_aToken);
|
||||
|
||||
// data.supplyTokens[i] = _token;
|
||||
// data.supplyAmts[i] = aTokenContract.balanceOf(sourceDsa);
|
||||
|
||||
// aTokenContract.transferFrom(msg.sender, address(this), data.supplyAmts[i]);
|
||||
// }
|
||||
|
||||
// if (borrowTokens.length > 0) {
|
||||
// data.variableBorrowAmts = new uint[](borrowTokens.length);
|
||||
// data.stableBorrowAmts = new uint[](borrowTokens.length);
|
||||
|
||||
// for (uint i = 0; i < borrowTokens.length; i++) {
|
||||
// address _token = borrowTokens[i] == ethAddr ? wethAddr : borrowTokens[i];
|
||||
// data.borrowTokens[i] = _token;
|
||||
|
||||
// (
|
||||
// ,
|
||||
// data.stableBorrowAmts[i],
|
||||
// data.variableBorrowAmts[i],
|
||||
// ,,,,,
|
||||
// ) = aaveData.getUserReserveData(_token, sourceDsa);
|
||||
|
||||
// uint totalBorrowAmt = add(data.stableBorrowAmts[i], data.variableBorrowAmts[i]);
|
||||
|
||||
// if (totalBorrowAmt > 0) {
|
||||
// IERC20(_token).safeApprove(address(aave), totalBorrowAmt);
|
||||
// }
|
||||
// }
|
||||
|
||||
// _PaybackStable(borrowTokens.length, aave, data.borrowTokens, data.stableBorrowAmts, sourceDsa);
|
||||
// _PaybackVariable(borrowTokens.length, aave, data.borrowTokens, data.variableBorrowAmts, sourceDsa);
|
||||
// }
|
||||
|
||||
// _Withdraw(supplyTokens.length, aave, data.supplyTokens, data.supplyAmts);
|
||||
|
||||
// positions[owner] = data;
|
||||
// bytes memory positionData = abi.encode(owner, data);
|
||||
// stateSender.syncState(polygonReceiver, positionData);
|
||||
|
||||
// emit LogAaveV2Migrate(
|
||||
// msg.sender,
|
||||
// targetDsa,
|
||||
// supplyTokens,
|
||||
// borrowTokens,
|
||||
// data.supplyAmts,
|
||||
// data.variableBorrowAmts,
|
||||
// data.stableBorrowAmts
|
||||
// );
|
||||
// }
|
||||
}
|
||||
Loading…
Reference in New Issue
Block a user