Instadapp/dsa-connectors
1
0
Fork 0
mirror of https://github.com/Instadapp/dsa-connectors.git synced 2024-07-29 22:37:00 +00:00
Code Issues Packages Projects Releases Wiki Activity

Merge pull request #67 from gelatodigital/feat/gelato-aave-protection

Browse Source 
Aave protection connector
This commit is contained in:
Thrilok kumar 2021-10-08 15:54:28 +05:30 committed by GitHub
commit 28478f1dd9
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
9 changed files with 590 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

21
contracts/mainnet/connectors/gelato/aave-services/protection/events.sol Normal file
View File

@ -0,0 +1,21 @@
// SPDX-License-Identifier: MIT
pragma solidity 0.7.6;
contract Events {
event LogSubmitProtection(
address indexed dsa,
address indexed action,
uint256 wantedHealthFactor,
uint256 minimumHealthFactor,
bool isPermanent
);
event LogUpdateProtection(
address indexed dsa,
address indexed action,
uint256 wantedHealthFactor,
uint256 minimumHealthFactor,
bool isPermanent
);
event LogCancelProtection(address indexed dsa, address indexed action);
event LogCancelAndRevoke(address indexed dsa, address indexed action);
}

113
contracts/mainnet/connectors/gelato/aave-services/protection/helpers.sol Normal file
View File

@ -0,0 +1,113 @@
// SPDX-License-Identifier: MIT
pragma solidity 0.7.6;
pragma abicoder v2;
import {
LendingPoolInterface,
AaveServicesInterface,
IERC20
} from "./interface.sol";
abstract contract Helpers {
// solhint-disable-next-line const-name-snakecase
LendingPoolInterface internal constant _lendingPool =
LendingPoolInterface(0x7d2768dE32b0b80b7a3454c06BdAc94A69DDc7A9);
// solhint-disable-next-line const-name-snakecase
AaveServicesInterface internal constant _aaveServices =
AaveServicesInterface(0xE3d373c78803C1d22cE96bdC43d47542835bBF42);
// solhint-disable-next-line const-name-snakecase
address internal constant _protectionAction =
0xD2579361F3C402938841774ECc1acdd51d3a4345;
function _submitProtection(
uint256 _wantedHealthFactor,
uint256 _minimumHealthFactor,
bool _isPermanent
) internal {
_giveAllowance();
_aaveServices.submitTask(
_protectionAction,
abi.encode(
_wantedHealthFactor,
_minimumHealthFactor,
address(this)
),
_isPermanent
);
}
function _updateProtection(
uint256 _wantedHealthFactor,
uint256 _minimumHealthFactor,
bool _isPermanent
) internal {
_giveAllowance();
_aaveServices.updateTask(
_protectionAction,
abi.encode(
_wantedHealthFactor,
_minimumHealthFactor,
address(this)
),
_isPermanent
);
}
function _cancelProtection() internal {
_aaveServices.cancelTask(_protectionAction);
}
function _giveAllowance() internal {
address[] memory aTokenList = _getATokenList();
for (uint256 i = 0; i < aTokenList.length; i++) {
if (
!(IERC20(aTokenList[i]).allowance(
address(this),
_protectionAction
) == type(uint256).max)
) {
IERC20(aTokenList[i]).approve(
_protectionAction,
type(uint256).max
);
}
}
}
function _revokeAllowance() internal {
address[] memory aTokenList = _getATokenList();
for (uint256 i = 0; i < aTokenList.length; i++) {
if (
!(IERC20(aTokenList[i]).allowance(
address(this),
_protectionAction
) == 0)
) {
IERC20(aTokenList[i]).approve(_protectionAction, 0);
}
}
}
function _getATokenList()
internal
view
returns (address[] memory aTokenList)
{
address[] memory underlyingsList = _lendingPool.getReservesList();
aTokenList = new address[](underlyingsList.length);
for (uint256 i = 0; i < underlyingsList.length; i++) {
aTokenList[i] = (_lendingPool.getReserveData(underlyingsList[i]))
.aTokenAddress;
}
}
function _dsaHasProtection() internal view returns (bool) {
return
_aaveServices.taskByUsersAction(address(this), _protectionAction) !=
bytes32(0);
}
}

80
contracts/mainnet/connectors/gelato/aave-services/protection/interface.sol Normal file
View File

@ -0,0 +1,80 @@
// SPDX-License-Identifier: MIT
pragma solidity 0.7.6;
pragma abicoder v2;
struct ReserveData {
//stores the reserve configuration
ReserveConfigurationMap configuration;
//the liquidity index. Expressed in ray
uint128 liquidityIndex;
//variable borrow index. Expressed in ray
uint128 variableBorrowIndex;
//the current supply rate. Expressed in ray
uint128 currentLiquidityRate;
//the current variable borrow rate. Expressed in ray
uint128 currentVariableBorrowRate;
//the current stable borrow rate. Expressed in ray
uint128 currentStableBorrowRate;
uint40 lastUpdateTimestamp;
//tokens addresses
address aTokenAddress;
address stableDebtTokenAddress;
address variableDebtTokenAddress;
//address of the interest rate strategy
address interestRateStrategyAddress;
//the id of the reserve. Represents the position in the list of the active reserves
uint8 id;
}
struct ReserveConfigurationMap {
//bit 0-15: LTV
//bit 16-31: Liq. threshold
//bit 32-47: Liq. bonus
//bit 48-55: Decimals
//bit 56: Reserve is active
//bit 57: reserve is frozen
//bit 58: borrowing is enabled
//bit 59: stable rate borrowing enabled
//bit 60-63: reserved
//bit 64-79: reserve factor
uint256 data;
}
interface LendingPoolInterface {
function getReservesList() external view returns (address[] memory);
function getReserveData(address asset)
external
view
returns (ReserveData memory);
}
interface AaveServicesInterface {
function submitTask(
address _action,
bytes memory _taskData,
bool _isPermanent
) external;
function cancelTask(address _action) external;
function updateTask(
address _action,
bytes memory _data,
bool _isPermanent
) external;
function taskByUsersAction(address _user, address _action)
external
view
returns (bytes32);
}
interface IERC20 {
function approve(address spender, uint256 amount) external returns (bool);
function allowance(address owner, address spender)
external
view
returns (uint256);
}

80
contracts/mainnet/connectors/gelato/aave-services/protection/main.sol Normal file
View File

@ -0,0 +1,80 @@
// SPDX-License-Identifier: MIT
pragma solidity 0.7.6;
pragma abicoder v2;
/**
* @title Aave Protection.
* @dev Protect DSA against Liquidation risk on Aave with Gelato.
*/
import {Events} from "./events.sol";
import {Helpers} from "./helpers.sol";
abstract contract GAaveProtectionResolver is Events, Helpers {
/// @dev Function for submitting a protection task
/// @param _wantedHealthFactor targeted health after protection.
/// @param _minimumHealthFactor trigger protection when current health
/// factor is below _minimumHealthFactor.
/// @param _isPermanent boolean to set a protection as permanent
function submitProtection(
uint256 _wantedHealthFactor,
uint256 _minimumHealthFactor,
bool _isPermanent
) external payable {
_submitProtection(
_wantedHealthFactor,
_minimumHealthFactor,
_isPermanent
);
emit LogSubmitProtection(
address(this),
_protectionAction,
_wantedHealthFactor,
_minimumHealthFactor,
_isPermanent
);
}
/// @dev Function for modifying a protection task
/// @param _wantedHealthFactor targeted health after protection.
/// @param _minimumHealthFactor trigger protection when current health
/// factor is below _minimumHealthFactor.
/// @param _isPermanent boolean to set a protection as permanent
function updateProtection(
uint256 _wantedHealthFactor,
uint256 _minimumHealthFactor,
bool _isPermanent
) external payable {
_updateProtection(
_wantedHealthFactor,
_minimumHealthFactor,
_isPermanent
);
emit LogUpdateProtection(
address(this),
_protectionAction,
_wantedHealthFactor,
_minimumHealthFactor,
_isPermanent
);
}
/// @dev Function for cancelling a protection task
function cancelProtection() external payable {
_cancelProtection();
emit LogCancelProtection(address(this), _protectionAction);
}
/// @dev Function for cancelling and removing allowance
/// of aToken to _protectionAction
function cancelAndRevoke() external payable {
if (_dsaHasProtection()) _cancelProtection();
_revokeAllowance();
emit LogCancelAndRevoke(address(this), _protectionAction);
}
}
contract GAaveProtectionMainnetConnector is GAaveProtectionResolver {
// solhint-disable-next-line const-name-snakecase
string public constant name = "GAaveProtectionMainnetConnector-v1";
}

21
contracts/polygon/connectors/gelato/aave-services/protection/events.sol Normal file
View File

@ -0,0 +1,21 @@
// SPDX-License-Identifier: MIT
pragma solidity 0.7.6;
contract Events {
event LogSubmitProtection(
address indexed dsa,
address indexed action,
uint256 wantedHealthFactor,
uint256 minimumHealthFactor,
bool isPermanent
);
event LogUpdateProtection(
address indexed dsa,
address indexed action,
uint256 wantedHealthFactor,
uint256 minimumHealthFactor,
bool isPermanent
);
event LogCancelProtection(address indexed dsa, address indexed action);
event LogCancelAndRevoke(address indexed dsa, address indexed action);
}

113
contracts/polygon/connectors/gelato/aave-services/protection/helpers.sol Normal file
View File

@ -0,0 +1,113 @@
// SPDX-License-Identifier: MIT
pragma solidity 0.7.6;
pragma abicoder v2;
import {
LendingPoolInterface,
AaveServicesInterface,
IERC20
} from "./interface.sol";
abstract contract Helpers {
// solhint-disable-next-line const-name-snakecase
LendingPoolInterface internal constant _lendingPool =
LendingPoolInterface(0x8dFf5E27EA6b7AC08EbFdf9eB090F32ee9a30fcf);
// solhint-disable-next-line const-name-snakecase
AaveServicesInterface internal constant _aaveServices =
AaveServicesInterface(0x18FAbC997fDd624764E1974b283B1b904b66d613);
// solhint-disable-next-line const-name-snakecase
address internal constant _protectionAction =
0xc38b6dbd0F84777AA4fae2d36FE1506428A22b9B;
function _cancelProtection() internal {
_aaveServices.cancelTask(_protectionAction);
}
function _submitProtection(
uint256 _wantedHealthFactor,
uint256 _minimumHealthFactor,
bool _isPermanent
) internal {
_giveAllowance();
_aaveServices.submitTask(
_protectionAction,
abi.encode(
_wantedHealthFactor,
_minimumHealthFactor,
address(this)
),
_isPermanent
);
}
function _updateProtection(
uint256 _wantedHealthFactor,
uint256 _minimumHealthFactor,
bool _isPermanent
) internal {
_giveAllowance();
_aaveServices.updateTask(
_protectionAction,
abi.encode(
_wantedHealthFactor,
_minimumHealthFactor,
address(this)
),
_isPermanent
);
}
function _giveAllowance() internal {
address[] memory aTokenList = _getATokenList();
for (uint256 i = 0; i < aTokenList.length; i++) {
if (
!(IERC20(aTokenList[i]).allowance(
address(this),
_protectionAction
) == type(uint256).max)
) {
IERC20(aTokenList[i]).approve(
_protectionAction,
type(uint256).max
);
}
}
}
function _revokeAllowance() internal {
address[] memory aTokenList = _getATokenList();
for (uint256 i = 0; i < aTokenList.length; i++) {
if (
!(IERC20(aTokenList[i]).allowance(
address(this),
_protectionAction
) == 0)
) {
IERC20(aTokenList[i]).approve(_protectionAction, 0);
}
}
}
function _getATokenList()
internal
view
returns (address[] memory aTokenList)
{
address[] memory underlyingsList = _lendingPool.getReservesList();
aTokenList = new address[](underlyingsList.length);
for (uint256 i = 0; i < underlyingsList.length; i++) {
aTokenList[i] = (_lendingPool.getReserveData(underlyingsList[i]))
.aTokenAddress;
}
}
function _dsaHasProtection() internal view returns (bool) {
return
_aaveServices.taskByUsersAction(address(this), _protectionAction) !=
bytes32(0);
}
}

80
contracts/polygon/connectors/gelato/aave-services/protection/interface.sol Normal file
View File

@ -0,0 +1,80 @@
// SPDX-License-Identifier: MIT
pragma solidity 0.7.6;
pragma abicoder v2;
struct ReserveData {
//stores the reserve configuration
ReserveConfigurationMap configuration;
//the liquidity index. Expressed in ray
uint128 liquidityIndex;
//variable borrow index. Expressed in ray
uint128 variableBorrowIndex;
//the current supply rate. Expressed in ray
uint128 currentLiquidityRate;
//the current variable borrow rate. Expressed in ray
uint128 currentVariableBorrowRate;
//the current stable borrow rate. Expressed in ray
uint128 currentStableBorrowRate;
uint40 lastUpdateTimestamp;
//tokens addresses
address aTokenAddress;
address stableDebtTokenAddress;
address variableDebtTokenAddress;
//address of the interest rate strategy
address interestRateStrategyAddress;
//the id of the reserve. Represents the position in the list of the active reserves
uint8 id;
}
struct ReserveConfigurationMap {
//bit 0-15: LTV
//bit 16-31: Liq. threshold
//bit 32-47: Liq. bonus
//bit 48-55: Decimals
//bit 56: Reserve is active
//bit 57: reserve is frozen
//bit 58: borrowing is enabled
//bit 59: stable rate borrowing enabled
//bit 60-63: reserved
//bit 64-79: reserve factor
uint256 data;
}
interface LendingPoolInterface {
function getReservesList() external view returns (address[] memory);
function getReserveData(address asset)
external
view
returns (ReserveData memory);
}
interface AaveServicesInterface {
function submitTask(
address _action,
bytes memory _taskData,
bool _isPermanent
) external;
function cancelTask(address _action) external;
function updateTask(
address _action,
bytes memory _data,
bool _isPermanent
) external;
function taskByUsersAction(address _user, address _action)
external
view
returns (bytes32);
}
interface IERC20 {
function approve(address spender, uint256 amount) external returns (bool);
function allowance(address owner, address spender)
external
view
returns (uint256);
}

79
contracts/polygon/connectors/gelato/aave-services/protection/main.sol Normal file
View File

@ -0,0 +1,79 @@
// SPDX-License-Identifier: MIT
pragma solidity 0.7.6;
/**
* @title Aave Protection.
* @dev Protect DSA against Liquidation risk on Aave with Gelato.
*/
import {Events} from "./events.sol";
import {Helpers} from "./helpers.sol";
abstract contract GAaveProtectionResolver is Events, Helpers {
/// @dev Function for submitting a protection task
/// @param _wantedHealthFactor targeted health after protection.
/// @param _minimumHealthFactor trigger protection when current health
/// factor is below _minimumHealthFactor.
/// @param _isPermanent boolean to set a protection as permanent
function submitProtection(
uint256 _wantedHealthFactor,
uint256 _minimumHealthFactor,
bool _isPermanent
) external payable {
_submitProtection(
_wantedHealthFactor,
_minimumHealthFactor,
_isPermanent
);
emit LogSubmitProtection(
address(this),
_protectionAction,
_wantedHealthFactor,
_minimumHealthFactor,
_isPermanent
);
}
/// @dev Function for modifying a protection task
/// @param _wantedHealthFactor targeted health after protection.
/// @param _minimumHealthFactor trigger protection when current health
/// factor is below _minimumHealthFactor.
/// @param _isPermanent boolean to set a protection as permanent
function updateProtection(
uint256 _wantedHealthFactor,
uint256 _minimumHealthFactor,
bool _isPermanent
) external payable {
_updateProtection(
_wantedHealthFactor,
_minimumHealthFactor,
_isPermanent
);
emit LogUpdateProtection(
address(this),
_protectionAction,
_wantedHealthFactor,
_minimumHealthFactor,
_isPermanent
);
}
/// @dev Function for cancelling a protection task
function cancelProtection() external payable {
_cancelProtection();
emit LogCancelProtection(address(this), _protectionAction);
}
/// @dev Function for cancelling and removing allowance
/// of aToken to _protectionAction
function cancelAndRevoke() external payable {
if (_dsaHasProtection()) _cancelProtection();
_revokeAllowance();
emit LogCancelAndRevoke(address(this), _protectionAction);
}
}
contract GAaveProtectionPolygonConnector is GAaveProtectionResolver {
// solhint-disable-next-line const-name-snakecase
string public constant name = "GelatoAaveProtectionPolygonConnector-v1";
}

3
docs/connectors.json
View File

@ -25,6 +25,7 @@
"REFINANCE-A": "0x6f22931423e8ffC8d51f6E5aF73118fC64b27856", "REFINANCE-A": "0x6f22931423e8ffC8d51f6E5aF73118fC64b27856",
"INST-A": "0x52C2C4a0db049255fF345EB9D3Fb1f555b7a924A", "INST-A": "0x52C2C4a0db049255fF345EB9D3Fb1f555b7a924A",
"REFLEXER-A": "0xaC6dc28a6251F49Bbe5755E630107Dccde9ae2C8", "REFLEXER-A": "0xaC6dc28a6251F49Bbe5755E630107Dccde9ae2C8",
"GELATO-AAVE-A: "0x825832a5A589ed9500CaEE2aa2D2c3117218D6A9"
"LIQUITY-A": "0x3643bA40B8e2bd8F77233BDB6abe38c218f31bFe", "LIQUITY-A": "0x3643bA40B8e2bd8F77233BDB6abe38c218f31bFe",
"UNISWAP-V3-A": "0x25B0c76dE86C3457b9B8b9ee3775F5a7b8D4c475", "UNISWAP-V3-A": "0x25B0c76dE86C3457b9B8b9ee3775F5a7b8D4c475",
"B-COMPOUND-A": "0xa3EeFDc2de9DFA59968bEcff3E15b53E6162460f", "B-COMPOUND-A": "0xa3EeFDc2de9DFA59968bEcff3E15b53E6162460f",
@ -37,6 +38,8 @@
"AUTHORITY-A": "0xf73C94402BC24148b744083eD02654EEc2C37D5B", "AUTHORITY-A": "0xf73C94402BC24148b744083eD02654EEc2C37D5B",
"BASIC-A": "0x1cAF5EC802ca602E98139AD96A8f2B7BC524264E", "BASIC-A": "0x1cAF5EC802ca602E98139AD96A8f2B7BC524264E",
"AAVE-CLAIM-A": "0xC7Cb1dE2721BFC0E0DA1b9D526bCdC54eF1C0eFC", "AAVE-CLAIM-A": "0xC7Cb1dE2721BFC0E0DA1b9D526bCdC54eF1C0eFC",
"PARASWAP-A": "0xFb3a1D56eD56F046721B9aCa749895100754578b",
"GELATO-AAAVE-A": "0x177Bd89A1D8643C9525D2DF131C1a6C513869299"
"PARASWAP-A": "0xFb3a1D56eD56F046721B9aCa749895100754578b" "PARASWAP-A": "0xFb3a1D56eD56F046721B9aCa749895100754578b"
}, },
"arbitrum" : { "arbitrum" : {