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feat: Debt Bridge v1 with Refinancing Algo

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Shivva 2020-10-16 08:47:42 +02:00 committed by Luis Schliesske
parent c15e756fae
commit e6a37987b8
14 changed files with 4197 additions and 0 deletions
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8
buidler.config.js
View File

@ -11,17 +11,21 @@ const GelatoCoreLib = require("@gelatonetwork/core");
require("dotenv").config(); require("dotenv").config();
const INFURA_ID = process.env.INFURA_ID; const INFURA_ID = process.env.INFURA_ID;
assert.ok(INFURA_ID, "no Infura ID in process.env"); assert.ok(INFURA_ID, "no Infura ID in process.env");
const INSTA_MASTER = "0xb1DC62EC38E6E3857a887210C38418E4A17Da5B2";
// ================================= CONFIG ========================================= // ================================= CONFIG =========================================
module.exports = { module.exports = {
defaultNetwork: "ganache", defaultNetwork: "ganache",
networks: { networks: {
ganache: { ganache: {
timeout: 150000,
// Standard config // Standard config
url: "http://localhost:8545", url: "http://localhost:8545",
fork: `https://mainnet.infura.io/v3/${INFURA_ID}`, fork: `https://mainnet.infura.io/v3/${INFURA_ID}`,
unlocked_accounts: [INSTA_MASTER],
// Custom // Custom
GelatoCore: "0x1d681d76ce96E4d70a88A00EBbcfc1E47808d0b8", GelatoCore: "0x1d681d76ce96E4d70a88A00EBbcfc1E47808d0b8",
InstaMaster: INSTA_MASTER,
InstaIndex: "0x2971AdFa57b20E5a416aE5a708A8655A9c74f723", InstaIndex: "0x2971AdFa57b20E5a416aE5a708A8655A9c74f723",
InstaList: "0x4c8a1BEb8a87765788946D6B19C6C6355194AbEb", InstaList: "0x4c8a1BEb8a87765788946D6B19C6C6355194AbEb",
InstaConnectors: "0xD6A602C01a023B98Ecfb29Df02FBA380d3B21E0c", InstaConnectors: "0xD6A602C01a023B98Ecfb29Df02FBA380d3B21E0c",
@ -31,9 +35,13 @@ module.exports = {
ConnectGelato: "0x37A7009d424951dd5D5F155fA588D9a03C455163", ConnectGelato: "0x37A7009d424951dd5D5F155fA588D9a03C455163",
ConnectMaker: "0xac02030d8a8F49eD04b2f52C394D3F901A10F8A9", ConnectMaker: "0xac02030d8a8F49eD04b2f52C394D3F901A10F8A9",
ConnectCompound: "0x07F81230d73a78f63F0c2A3403AD281b067d28F8", ConnectCompound: "0x07F81230d73a78f63F0c2A3403AD281b067d28F8",
ConnectInstaPool: "0xCeF5f3c402d4fef76A038e89a4357176963e1464",
MakerResolver: "0x0A7008B38E7015F8C36A49eEbc32513ECA8801E5",
DAI: "0x6b175474e89094c44da98b954eedeac495271d0f", DAI: "0x6b175474e89094c44da98b954eedeac495271d0f",
DAI_UNISWAP: "0x2a1530C4C41db0B0b2bB646CB5Eb1A67b7158667", DAI_UNISWAP: "0x2a1530C4C41db0B0b2bB646CB5Eb1A67b7158667",
CDAI: "0x5d3a536E4D6DbD6114cc1Ead35777bAB948E3643", CDAI: "0x5d3a536E4D6DbD6114cc1Ead35777bAB948E3643",
DssCdpManager: "0x5ef30b9986345249bc32d8928B7ee64DE9435E39",
GetCdps: "0x36a724Bd100c39f0Ea4D3A20F7097eE01A8Ff573",
ProviderModuleDSA: "0x0C25452d20cdFeEd2983fa9b9b9Cf4E81D6f2fE2", ProviderModuleDSA: "0x0C25452d20cdFeEd2983fa9b9b9Cf4E81D6f2fE2",
}, },
}, },

106
contracts/ConditionMakerVaultIsSafe.sol Normal file
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@ -0,0 +1,106 @@
// "SPDX-License-Identifier: UNLICENSED"
pragma solidity 0.6.12;
pragma experimental ABIEncoderV2;
import {
GelatoConditionsStandard
} from "@gelatonetwork/core/contracts/conditions/GelatoConditionsStandard.sol";
import {GelatoBytes} from "./GelatoBytes.sol";
import "./DSMath.sol";
interface IOracleAggregator {
function getMakerTokenPrice(string memory _pair)
external
view
returns (uint256);
}
interface IVaultResolver {
struct VaultData {
uint256 id;
address owner;
string colType;
uint256 collateral;
uint256 art;
uint256 debt;
uint256 liquidatedCol;
uint256 borrowRate;
uint256 colPrice;
uint256 liquidationRatio;
address vaultAddress;
}
function getVaultById(uint256 id) external view returns (VaultData memory);
}
contract ConditionMakerVaultIsSafe is GelatoConditionsStandard, DSMath {
using GelatoBytes for bytes;
address public oracleAggregator;
constructor(address _oracleAggregator) public {
oracleAggregator = _oracleAggregator;
}
function getConditionData(
uint256 _vaultID,
string memory _pair,
uint256 _unSafeLimit
) public pure virtual returns (bytes memory) {
return abi.encode(_vaultID, _pair, _unSafeLimit);
}
function ok(
uint256,
bytes calldata _conditionData,
uint256
) public view virtual override returns (string memory) {
(uint256 vaultID, string memory pair, uint256 unSafeLimit) = abi.decode(
_conditionData,
(uint256, string, uint256)
);
return _isVaultUnSafe(vaultID, pair, unSafeLimit);
}
function _isVaultUnSafe(
uint256 _vaultID,
string memory _pair,
uint256 _unSafeLimit
) internal view returns (string memory) {
uint256 latestPriceInRay = _getLatestPrice(_pair);
IVaultResolver.VaultData memory vault = IVaultResolver(
_getVaultResolverAddress()
)
.getVaultById(_vaultID);
uint256 colRatio = _vaultCollaterizationRatio(
_wmul(vault.collateral, latestPriceInRay),
vault.debt
);
if (_unSafeLimit > colRatio) {
return OK;
}
return "NotOKMakerVaultIsSafe";
}
function _getVaultResolverAddress() internal pure returns (address) {
return 0x0A7008B38E7015F8C36A49eEbc32513ECA8801E5;
}
function _vaultCollaterizationRatio(uint256 _col, uint256 _debt)
internal
pure
returns (uint256)
{
return _wdiv(_col, _debt);
}
function _getLatestPrice(string memory _pair)
internal
view
returns (uint256)
{
return IOracleAggregator(oracleAggregator).getMakerTokenPrice(_pair);
}
}

506
contracts/ConnectGelatoDebtBridge.sol Normal file
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@ -0,0 +1,506 @@
// "SPDX-License-Identifier: UNLICENSED"
pragma solidity 0.6.12;
pragma experimental ABIEncoderV2;
import "./IMemoryInterface.sol";
import "./DSMath.sol";
interface ConnectorInterface {
function connectorID() external view returns (uint256 _type, uint256 _id);
function name() external view returns (string memory);
}
interface OracleAggregator {
function getMakerTokenPrice(string memory _pair)
external
view
returns (uint256);
}
interface GelatoGasPriceOracle {
function latestAnswer() external view returns (int256);
}
interface IMakerResolver {
struct VaultData {
uint256 id;
address owner;
string colType;
uint256 collateral;
uint256 art;
uint256 debt;
uint256 liquidatedCol;
uint256 borrowRate;
uint256 colPrice;
uint256 liquidationRatio;
address vaultAddress;
}
function getVaultById(uint256 id) external view returns (VaultData memory);
}
interface ICompoundResolver {
struct CompData {
uint256 tokenPriceInEth;
uint256 tokenPriceInUsd;
uint256 exchangeRateStored;
uint256 balanceOfUser;
uint256 borrowBalanceStoredUser;
uint256 supplyRatePerBlock;
uint256 borrowRatePerBlock;
}
function getCompoundData(address owner, address[] memory cAddress)
external
view
returns (CompData[] memory);
}
interface IAaveResolver {
struct AaveTokenData {
uint256 ltv;
uint256 threshold;
bool usageAsCollEnabled;
bool borrowEnabled;
bool stableBorrowEnabled;
bool isActive;
}
struct AaveUserTokenData {
uint256 tokenPriceInEth;
uint256 tokenPriceInUsd;
uint256 supplyBalance;
uint256 borrowBalance;
uint256 borrowFee;
uint256 supplyRate;
uint256 borrowRate;
uint256 borrowModal;
AaveTokenData aaveTokenData;
}
struct AaveUserData {
uint256 totalSupplyETH;
uint256 totalCollateralETH;
uint256 totalBorrowsETH;
uint256 totalFeesETH;
uint256 availableBorrowsETH;
uint256 currentLiquidationThreshold;
uint256 ltv;
uint256 healthFactor;
uint256 ethPriceInUsd;
}
function getPosition(address user, address[] memory tokens)
external
view
returns (AaveUserTokenData[] memory, AaveUserData memory);
}
abstract contract Helpers is ConnectorInterface, DSMath {
uint256 internal _id;
/**
* @dev Return ethereum address
*/
function _getAddressETH() internal pure returns (address) {
return 0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE; // ETH Address
}
/**
* @dev Return Memory Variable Address
*/
function _getMemoryAddr() internal pure returns (address) {
return 0x8a5419CfC711B2343c17a6ABf4B2bAFaBb06957F; // InstaMemory Address
}
/**
* @dev Set Uint value in InstaMemory Contract.
*/
function _setUint(uint256 setId, uint256 val) internal {
if (setId != 0) IMemoryInterface(_getMemoryAddr()).setUint(setId, val);
}
/**
* @dev Get Uint value from InstaMemory Contract.
*/
function _getUint(uint256 getId, uint256 val)
internal
returns (uint256 returnVal)
{
returnVal = getId == 0
? val
: IMemoryInterface(_getMemoryAddr()).getUint(getId);
}
/**
* @dev Connector Details
*/
function connectorID()
public
view
override
returns (uint256 _type, uint256 _iD)
{
(_type, _iD) = (1, _id); // Should put specific value.
}
function _stringToBytes32(string memory str)
internal
pure
returns (bytes32 result)
{
require(bytes(str).length != 0, "String-Empty");
// solium-disable-next-line security/no-inline-assembly
assembly {
result := mload(add(str, 32))
}
}
}
abstract contract ConnectGelatoDebtBridgeHelpers is Helpers {
function _getMakerResolver() internal pure returns (address) {
return 0x0A7008B38E7015F8C36A49eEbc32513ECA8801E5;
}
function _getCompoundResolver() internal pure returns (address) {
return 0x1f22D77365d8BFE3b901C33C83C01B584F946617;
}
function _getAaveResolver() internal pure returns (address) {
return 0xe04Cd009fF68628BC663058dDAA7E5Bf7979BEaF;
}
function _getGelatoGasPriceOracle() internal pure returns (address) {
return 0x169E633A2D1E6c10dD91238Ba11c4A708dfEF37C;
}
function _getGasPrice() internal view returns (uint256) {
return
uint256(
GelatoGasPriceOracle(_getGelatoGasPriceOracle()).latestAnswer()
);
}
}
abstract contract ConnectGelatoDebtBridgeResolver is
ConnectGelatoDebtBridgeHelpers
{
mapping(address => address) internal _priceFeeds;
function getMakerVault(uint256 _vaultID)
public
view
returns (IMakerResolver.VaultData memory)
{
// call maker resolver.
return IMakerResolver(_getMakerResolver()).getVaultById(_vaultID);
}
function getMakerVaultDebt(uint256 _vaultID) public view returns (uint256) {
return getMakerVault(_vaultID).debt;
}
function getMakerVaultCollateralBalance(uint256 _vaultID)
public
view
returns (uint256)
{
return getMakerVault(_vaultID).collateral;
}
function getMakerVaultCollateralType(uint256 _vaultID)
public
view
returns (string memory)
{
return getMakerVault(_vaultID).colType;
}
function getCompoundData(address _owner, address _cAddress)
public
view
returns (ICompoundResolver.CompData memory)
{
address[] memory cAddressArray;
cAddressArray[0] = _cAddress;
return
ICompoundResolver(_getCompoundResolver()).getCompoundData(
_owner,
cAddressArray
)[0];
}
function getCompoundDebt(address _owner, address _cAddress)
public
view
returns (uint256)
{
return getCompoundData(_owner, _cAddress).borrowBalanceStoredUser;
}
function getCompoundCollateralBalance(address _owner, address _cAddress)
public
view
returns (uint256)
{
return getCompoundData(_owner, _cAddress).balanceOfUser;
}
function getAaveTokenData(address _owner, address _atoken)
public
view
returns (
IAaveResolver.AaveUserTokenData memory,
IAaveResolver.AaveUserData memory
)
{
address[] memory aTokenArray;
aTokenArray[0] = _atoken;
(
IAaveResolver.AaveUserTokenData[] memory tokensData,
IAaveResolver.AaveUserData memory etherUserData
) = IAaveResolver(_getAaveResolver()).getPosition(_owner, aTokenArray);
return (tokensData[0], etherUserData);
}
function getAaveTokenDebt(address _owner, address _atoken)
public
view
returns (uint256)
{
(IAaveResolver.AaveUserTokenData memory tokenData, ) = getAaveTokenData(
_owner,
_atoken
);
return tokenData.supplyBalance;
}
function getAaveTokenCollateralBalance(address _owner, address _atoken)
public
view
returns (uint256)
{
(IAaveResolver.AaveUserTokenData memory tokenData, ) = getAaveTokenData(
_owner,
_atoken
);
return tokenData.borrowBalance;
}
}
contract ConnectGelatoDebtBridge is ConnectGelatoDebtBridgeResolver {
// Constant name must be in capitalized SNAKE_CASE
// solhint-disable-next-line
string public constant override name = "GelatoDebtBridge-v1.0";
uint256 public constant GASLIMIT = 2000000; // To Define
address public immutable oracleAggregator;
constructor(uint256 _iD, address _oracleAggregator) public {
_id = _iD;
oracleAggregator = _oracleAggregator;
}
/// @notice Write in instaMemory the needed values for doing the refinancing between makerDAO and Compound.
/// @param _vaultID is the id of the makerDAO vault.
/// @param _vaultCollateralizationRatio is the collateralization ratio wanted by the client.
/// @param _compPosCollateralizationRatio is the collateralization ratio wanted by the client.
/// @param _pair crypto currency pair used (collateral token/ borrowed token).
/// @param _getID Id for writting in instaMemory.
/// @param _setID Id for loading from instaMemory.
function debtBridgeMakerToCompound(
uint256 _vaultID,
uint256 _vaultCollateralizationRatio, // should be in ray because maker use ray standard
uint256 _compPosCollateralizationRatio, // should be in wad because compound use wad standard
string memory _pair,
uint256 _getID,
uint256 _setID
) external {
(
uint256 paybackAmount,
uint256 collateralToWithdraw,
uint256 fees
) = debtBridgeCompute(
_vaultID,
_vaultCollateralizationRatio,
_compPosCollateralizationRatio,
_pair
);
_setUint(100, paybackAmount);
_setUint(101, paybackAmount); // payback maker
_setUint(102, _add(collateralToWithdraw, fees)); // withdraw maker
_setUint(103, collateralToWithdraw); // deposit compound
_setUint(104, paybackAmount); // borrow compound
_setUint(105, fees); // pay the provider
}
// Price Oracle
function debtBridgeCompute(
uint256 _vaultID,
uint256 _vaultLiquidationRatio, // should be in ray because maker use ray standard
uint256 _compPosLiquidationRatio, // should be in wad because compound use wad standard
string memory _pair
)
public
view
returns (
uint256 paybackAmount,
uint256 collateralToWithdraw,
uint256 fees
)
{
uint256 latestPrice = _getLatestPrice(_pair);
// uint256 fees = mul(GASLIMIT, wmul(_getGasPrice(), latestPrice));
fees = _mul(GASLIMIT, _getGasPrice());
uint256 debt = getMakerVaultDebt(_vaultID);
uint256 collateral = _sub(
_wmul(getMakerVaultCollateralBalance(_vaultID), latestPrice),
fees
);
collateralToWithdraw = _wcollateralToWithdraw(
_vaultLiquidationRatio,
_compPosLiquidationRatio,
collateral,
debt,
latestPrice
);
paybackAmount = _wborrowedTokenToPayback(
_vaultLiquidationRatio,
_compPosLiquidationRatio,
collateral,
debt
);
}
function _getLatestPrice(string memory _pair)
internal
view
returns (uint256)
{
return OracleAggregator(oracleAggregator).getMakerTokenPrice(_pair);
}
/// Computation in ray
/// @notice return the amount of collateral we need to withdraw during the debt refinancing in ray standard.
/// @param _p1LiqRatio the liquidation ratio of protocol 1.
/// @param _p2LiqRatio the liquidation ratio of protocol 2.
/// @param _col token1 collateral to put on protocol 1.
/// @param _bor amount of borrowed token2 on protocol 1.
/// @param _colPrice price of the collateral.
/// @return collateral to withdraw in ray standard
function _rcollateralToWithdraw(
uint256 _p1LiqRatio,
uint256 _p2LiqRatio,
uint256 _col,
uint256 _bor,
uint256 _colPrice
) internal pure returns (uint256) {
return
_rdiv(
_sub(
_col,
_rdiv(
_sub(
_rmul(_p1LiqRatio, _col),
_rmul(_p1LiqRatio, _rmul(_p2LiqRatio, _bor))
),
_sub(_p1LiqRatio, _p2LiqRatio)
)
),
_colPrice
);
}
/// Computation in ray
/// @notice return the amount of borrowed token we need to payback during the debt refinancing in ray standard.
/// @param _p1LiqRatio the liquidation ratio of protocol 1.
/// @param _p2LiqRatio the liquidation ratio of protocol 2.
/// @param _col token1 collateral to put on protocol 1.
/// @param _bor amount of borrowed token2 on protocol 1.
/// @return amount of borrowed token to pay back in ray standard
function _rborrowedTokenToPayback(
uint256 _p1LiqRatio,
uint256 _p2LiqRatio,
uint256 _col,
uint256 _bor
) internal pure returns (uint256) {
return
_sub(
_bor,
_rmul(
_rdiv(1e18, _p1LiqRatio),
_rdiv(
_sub(
_rmul(_p1LiqRatio, _col),
_rmul(_p1LiqRatio, _rmul(_p2LiqRatio, _bor))
),
_sub(_p1LiqRatio, _p2LiqRatio)
)
)
);
}
/// Computation in wad
/// @notice return the amount of collateral we need to withdraw during the debt refinancing in wad standard.
/// @param _p1LiqRatio the liquidation ratio of protocol 1.
/// @param _p2LiqRatio the liquidation ratio of protocol 2.
/// @param _col token1 collateral to put on protocol 1.
/// @param _bor amount of borrowed token2 on protocol 1.
/// @param _colPrice price of the collateral.
/// @return collateral to withdraw in wad standard
function _wcollateralToWithdraw(
uint256 _p1LiqRatio,
uint256 _p2LiqRatio,
uint256 _col,
uint256 _bor,
uint256 _colPrice
) internal pure returns (uint256) {
return
_wdiv(
_sub(
_col,
_wdiv(
_sub(
_wmul(_p1LiqRatio, _col),
_wmul(_p1LiqRatio, _wmul(_p2LiqRatio, _bor))
),
_sub(_p1LiqRatio, _p2LiqRatio)
)
),
_colPrice
);
}
/// Computation in wad
/// @notice return the amount of borrowed token we need to payback during the debt refinancing in wad standard.
/// @param _p1LiqRatio the liquidation ratio of protocol 1.
/// @param _p2LiqRatio the liquidation ratio of protocol 2.
/// @param _col token1 collateral to put on protocol 1.
/// @param _bor amount of borrowed token2 on protocol 1.
/// @return amount of borrowed token to pay back in wad standard
function _wborrowedTokenToPayback(
uint256 _p1LiqRatio,
uint256 _p2LiqRatio,
uint256 _col,
uint256 _bor
) internal pure returns (uint256) {
return
_sub(
_bor,
_wmul(
_wdiv(1e18, _p1LiqRatio),
_wdiv(
_sub(
_wmul(_p1LiqRatio, _col),
_wmul(_p1LiqRatio, _wmul(_p2LiqRatio, _bor))
),
_sub(_p1LiqRatio, _p2LiqRatio)
)
)
);
}
}

76
contracts/ConnectGelatoProviderPayment.sol Normal file
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@ -0,0 +1,76 @@
// "SPDX-License-Identifier: UNLICENSED"
pragma solidity 0.6.12;
import "./IMemoryInterface.sol";
import {IERC20} from "@gelatonetwork/core/contracts/external/IERC20.sol";
interface ConnectorInterface {
function connectorID() external view returns (uint256 _type, uint256 _id);
function name() external view returns (string memory);
}
abstract contract ConnectGelatoProviderPaymentHelper is ConnectorInterface {
uint256 internal _id;
function connectorID()
public
view
override
returns (uint256 _type, uint256 _iD)
{
(_type, _iD) = (1, _id); // Should put specific value.
}
function _getMemoryAddr() internal pure returns (address) {
return 0x8a5419CfC711B2343c17a6ABf4B2bAFaBb06957F; // InstaMemory Address
}
function _getUint(uint256 _getId, uint256 _val)
internal
returns (uint256 returnVal)
{
returnVal = _getId == 0
? _val
: IMemoryInterface(_getMemoryAddr()).getUint(_getId);
}
function _setUint(uint256 setId, uint256 val) internal {
if (setId != 0) IMemoryInterface(_getMemoryAddr()).setUint(setId, val);
}
function _getAddressETH() internal pure returns (address) {
return 0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE; // ETH Address
}
}
contract ConnectGelatoProviderPayment is ConnectGelatoProviderPaymentHelper {
// Constant name must be in capitalized SNAKE_CASE
// solhint-disable-next-line
string public constant override name = "GelatoProviderPayement-v1.0";
constructor(uint256 _iD) public {
_id = _iD;
}
function payProvider(
address _provider,
address _token,
uint256 _amt,
uint256 _getID,
uint256 _setID
) public {
// Desable linter for too long require statement
// solhint-disable-next-line
require(
_provider != address(0x0),
"ConnectGelatoProviderPayment.payProvider:INVALIDADDESS."
);
uint256 amt = _getUint(_getID, _amt);
if (_token == _getAddressETH()) {
payable(_provider).transfer(amt);
return;
}
IERC20(_token).transfer(_provider, amt);
}
}

82
contracts/DSMath.sol Normal file
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@ -0,0 +1,82 @@
// "SPDX-License-Identifier: UNLICENSED"
pragma solidity 0.6.12;
contract DSMath {
function _add(uint256 x, uint256 y) internal pure returns (uint256 z) {
require((z = x + y) >= x, "ds-math-_add-overflow");
}
function _sub(uint256 x, uint256 y) internal pure returns (uint256 z) {
require((z = x - y) <= x, "ds-math-_sub-underflow");
}
function _mul(uint256 x, uint256 y) internal pure returns (uint256 z) {
require(y == 0 || (z = x * y) / y == x, "ds-math-_mul-overflow");
}
function _min(uint256 x, uint256 y) internal pure returns (uint256 z) {
return x <= y ? x : y;
}
function _max(uint256 x, uint256 y) internal pure returns (uint256 z) {
return x >= y ? x : y;
}
function _imin(int256 x, int256 y) internal pure returns (int256 z) {
return x <= y ? x : y;
}
function _imax(int256 x, int256 y) internal pure returns (int256 z) {
return x >= y ? x : y;
}
uint256 internal constant _WAD = 10**18;
uint256 internal constant _RAY = 10**27;
//rounds to zero if x*y < _WAD / 2
function _wmul(uint256 x, uint256 y) internal pure returns (uint256 z) {
z = _add(_mul(x, y), _WAD / 2) / _WAD;
}
//rounds to zero if x*y < _WAD / 2
function _rmul(uint256 x, uint256 y) internal pure returns (uint256 z) {
z = _add(_mul(x, y), _RAY / 2) / _RAY;
}
//rounds to zero if x*y < _WAD / 2
function _wdiv(uint256 x, uint256 y) internal pure returns (uint256 z) {
z = _add(_mul(x, _WAD), y / 2) / y;
}
//rounds to zero if x*y < _RAY / 2
function _rdiv(uint256 x, uint256 y) internal pure returns (uint256 z) {
z = _add(_mul(x, _RAY), y / 2) / y;
}
// This famous algorithm is called "exponentiation by squaring"
// and calculates x^n with x as fixed-point and n as regular unsigned.
//
// It's O(log n), instead of O(n) for naive repeated _multiplication.
//
// These facts are why it works:
//
// If n is even, then x^n = (x^2)^(n/2).
// If n is odd, then x^n = x * x^(n-1),
// and applying the equation for even x gives
// x^n = x * (x^2)^((n-1) / 2).
//
// Also, EVM division is flooring and
// floor[(n-1) / 2] = floor[n / 2].
//
function _rpow(uint256 x, uint256 n) internal pure returns (uint256 z) {
z = n % 2 != 0 ? x : _RAY;
for (n /= 2; n != 0; n /= 2) {
x = _rmul(x, x);
if (n % 2 != 0) {
z = _rmul(z, x);
}
}
}
}

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// "SPDX-License-Identifier: UNLICENSED"
pragma solidity 0.6.12;
interface IMemoryInterface {
function setUint(uint256 _id, uint256 _val) external;
function getUint(uint256 _id) external returns (uint256);
}

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// "SPDX-License-Identifier: UNLICENSED"
pragma solidity 0.6.12;
pragma experimental ABIEncoderV2;
import {Ownable} from "@gelatonetwork/core/contracts/external/Ownable.sol";
import "./DSMath.sol";
interface IMakerPriceFeed {
function read() external view returns (bytes32);
}
contract OracleAggregatorStorage {
mapping(string => address) internal _makerOracle;
mapping(string => address) internal _compoundOracle;
mapping(string => address) internal _chainlinkOracle;
}
// 0x729D19f657BD0614b4985Cf1D82531c67569197B for ETH/USD medianizer it return value in wad standard.
contract OracleAggregator is OracleAggregatorStorage, Ownable, DSMath {
bool public mockMode;
uint256 public mockValue;
constructor() public Ownable() {
mockMode = false;
mockValue = 0;
}
function mock(bool _mockMode, uint256 _mockValue) public onlyOwner {
mockMode = _mockMode;
mockValue = _mockValue;
}
function addOracle(string memory _pair, address _oracleAddress)
external
onlyOwner
{
// Desable linter for too long require statement
// solhint-disable-next-line
require(
_makerOracle[_pair] == address(0x0),
"OracleAggregator.Maker: Oracle already set."
);
_makerOracle[_pair] = _oracleAddress;
}
function getMakerTokenPrice(string memory _pair)
external
view
returns (uint256)
{
if (mockMode) {
return mockValue;
}
return uint256(IMakerPriceFeed(_makerOracle[_pair]).read());
}
}

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// "SPDX-License-Identifier: UNLICENSED"
pragma solidity 0.6.12;
pragma experimental ABIEncoderV2;
import {
GelatoProviderModuleStandard
} from "@gelatonetwork/core/contracts/provider_modules/GelatoProviderModuleStandard.sol";
import {
Task
} from "@gelatonetwork/core/contracts/gelato_core/interfaces/IGelatoCore.sol";
import "./ConnectGelatoProviderPayment.sol";
/// @dev InstaDapp Index
interface IndexInterface {
function connectors(uint256 version) external view returns (address);
function list() external view returns (address);
}
/// @dev InstaDapp List
interface ListInterface {
function accountID(address _account) external view returns (uint64);
}
/// @dev InstaDapp Defi Smart Account wallet
interface AccountInterface {
function version() external view returns (uint256);
function isAuth(address user) external view returns (bool);
function shield() external view returns (bool);
function cast(
address[] calldata _targets,
bytes[] calldata _datas,
address _origin
) external payable returns (bytes32[] memory responses);
}
contract ProviderModuleDSA is GelatoProviderModuleStandard {
IndexInterface public immutable index;
address public immutable gelatoCore;
address public immutable connectGelatoProviderPayment;
constructor(
IndexInterface _index,
address _gelatoCore,
address _connectGelatoProviderPayment
) public {
index = _index;
gelatoCore = _gelatoCore;
connectGelatoProviderPayment = _connectGelatoProviderPayment;
}
// ================= GELATO PROVIDER MODULE STANDARD ================
function isProvided(
address _userProxy,
address,
Task calldata _task
) external view override returns (string memory) {
// Verify InstaDapp account identity
if (ListInterface(index.list()).accountID(_userProxy) == 0)
return "ProviderModuleDSA.isProvided:InvalidUserProxy";
// Is GelatoCore authorized
if (!AccountInterface(_userProxy).isAuth(gelatoCore))
return "ProviderModuleDSA.isProvided:GelatoCoreNotAuth";
return OK;
}
/// @dev DS PROXY ONLY ALLOWS DELEGATE CALL for single actions, that's why we also use multisend
function execPayload(
uint256,
address,
address _provider,
Task calldata _task,
uint256
) external view override returns (bytes memory payload, bool) {
address[] memory targets = new address[](_task.actions.length);
for (uint256 i = 0; i < _task.actions.length; i++)
targets[i] = _task.actions[i].addr;
bytes[] memory datas = new bytes[](_task.actions.length);
for (uint256 i = 0; i < _task.actions.length; i++) {
if (_task.actions[i].addr == connectGelatoProviderPayment) {
// input the exact address of the provider
datas[i] = _getDelegateCallDataForProviderPaymentConnector(
_provider,
_task.actions[i].data
);
} else {
datas[i] = _task.actions[i].data;
}
}
payload = abi.encodeWithSelector(
AccountInterface.cast.selector,
targets,
datas,
gelatoCore
);
}
function _getDelegateCallDataForProviderPaymentConnector(
address _provider,
bytes calldata _data
) internal pure returns (bytes memory) {
(, address token, uint256 amt, uint256 getID, uint256 setID) = abi
.decode(_data[4:], (address, address, uint256, uint256, uint256));
return
abi.encodeWithSelector(
ConnectGelatoProviderPayment.payProvider.selector,
_provider,
token,
amt,
getID,
setID
);
}
}

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{
"contractName": "CTokenInterface",
"abi": [
{
"inputs": [],
"name": "_acceptAdmin",
"outputs": [
{
"internalType": "uint256",
"name": "",
"type": "uint256"
}
],
"stateMutability": "nonpayable",
"type": "function"
},
{
"inputs": [
{
"internalType": "address payable",
"name": "newPendingAdmin",
"type": "address"
}
],
"name": "_setPendingAdmin",
"outputs": [
{
"internalType": "uint256",
"name": "",
"type": "uint256"
}
],
"stateMutability": "nonpayable",
"type": "function"
},
{
"inputs": [
{
"internalType": "address",
"name": "owner",
"type": "address"
},
{
"internalType": "address",
"name": "spender",
"type": "address"
}
],
"name": "allowance",
"outputs": [
{
"internalType": "uint256",
"name": "",
"type": "uint256"
}
],
"stateMutability": "view",
"type": "function"
},
{
"inputs": [
{
"internalType": "address",
"name": "spender",
"type": "address"
},
{
"internalType": "uint256",
"name": "amount",
"type": "uint256"
}
],
"name": "approve",
"outputs": [
{
"internalType": "bool",
"name": "",
"type": "bool"
}
],
"stateMutability": "nonpayable",
"type": "function"
},
{
"inputs": [
{
"internalType": "address",
"name": "owner",
"type": "address"
}
],
"name": "balanceOf",
"outputs": [
{
"internalType": "uint256",
"name": "",
"type": "uint256"
}
],
"stateMutability": "view",
"type": "function"
},
{
"inputs": [
{
"internalType": "address",
"name": "owner",
"type": "address"
}
],
"name": "balanceOfUnderlying",
"outputs": [
{
"internalType": "uint256",
"name": "",
"type": "uint256"
}
],
"stateMutability": "nonpayable",
"type": "function"
},
{
"inputs": [
{
"internalType": "address",
"name": "account",
"type": "address"
}
],
"name": "borrowBalanceCurrent",
"outputs": [
{
"internalType": "uint256",
"name": "",
"type": "uint256"
}
],
"stateMutability": "nonpayable",
"type": "function"
},
{
"inputs": [
{
"internalType": "address",
"name": "account",
"type": "address"
}
],
"name": "borrowBalanceStored",
"outputs": [
{
"internalType": "uint256",
"name": "",
"type": "uint256"
}
],
"stateMutability": "view",
"type": "function"
},
{
"inputs": [],
"name": "borrowRatePerBlock",
"outputs": [
{
"internalType": "uint256",
"name": "",
"type": "uint256"
}
],
"stateMutability": "view",
"type": "function"
},
{
"inputs": [],
"name": "exchangeRateCurrent",
"outputs": [
{
"internalType": "uint256",
"name": "",
"type": "uint256"
}
],
"stateMutability": "nonpayable",
"type": "function"
},
{
"inputs": [],
"name": "exchangeRateStored",
"outputs": [
{
"internalType": "uint256",
"name": "",
"type": "uint256"
}
],
"stateMutability": "view",
"type": "function"
},
{
"inputs": [
{
"internalType": "address",
"name": "account",
"type": "address"
}
],
"name": "getAccountSnapshot",
"outputs": [
{
"internalType": "uint256",
"name": "",
"type": "uint256"
},
{
"internalType": "uint256",
"name": "",
"type": "uint256"
},
{
"internalType": "uint256",
"name": "",
"type": "uint256"
},
{
"internalType": "uint256",
"name": "",
"type": "uint256"
}
],
"stateMutability": "view",
"type": "function"
},
{
"inputs": [],
"name": "getCash",
"outputs": [
{
"internalType": "uint256",
"name": "",
"type": "uint256"
}
],
"stateMutability": "view",
"type": "function"
},
{
"inputs": [
{
"internalType": "address",
"name": "liquidator",
"type": "address"
},
{
"internalType": "address",
"name": "borrower",
"type": "address"
},
{
"internalType": "uint256",
"name": "seizeTokens",
"type": "uint256"
}
],
"name": "seize",
"outputs": [
{
"internalType": "uint256",
"name": "",
"type": "uint256"
}
],
"stateMutability": "nonpayable",
"type": "function"
},
{
"inputs": [],
"name": "supplyRatePerBlock",
"outputs": [
{
"internalType": "uint256",
"name": "",
"type": "uint256"
}
],
"stateMutability": "view",
"type": "function"
},
{
"inputs": [],
"name": "totalBorrowsCurrent",
"outputs": [
{
"internalType": "uint256",
"name": "",
"type": "uint256"
}
],
"stateMutability": "nonpayable",
"type": "function"
},
{
"inputs": [
{
"internalType": "address",
"name": "dst",
"type": "address"
},
{
"internalType": "uint256",
"name": "amount",
"type": "uint256"
}
],
"name": "transfer",
"outputs": [
{
"internalType": "bool",
"name": "",
"type": "bool"
}
],
"stateMutability": "nonpayable",
"type": "function"
},
{
"inputs": [
{
"internalType": "address",
"name": "src",
"type": "address"
},
{
"internalType": "address",
"name": "dst",
"type": "address"
},
{
"internalType": "uint256",
"name": "amount",
"type": "uint256"
}
],
"name": "transferFrom",
"outputs": [
{
"internalType": "bool",
"name": "",
"type": "bool"
}
],
"stateMutability": "nonpayable",
"type": "function"
}
],
"bytecode": "0x",
"deployedBytecode": "0x",
"linkReferences": {},
"deployedLinkReferences": {}
}

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{
"contractName": "DssCdpManager",
"abi": [
{
"inputs": [
{
"internalType": "address",
"name": "",
"type": "address"
},
{
"internalType": "uint256",
"name": "",
"type": "uint256"
},
{
"internalType": "address",
"name": "",
"type": "address"
}
],
"name": "cdpCan",
"outputs": [
{
"internalType": "uint256",
"name": "",
"type": "uint256"
}
],
"stateMutability": "view",
"type": "function"
},
{
"inputs": [
{
"internalType": "address",
"name": "",
"type": "address"
}
],
"name": "count",
"outputs": [
{
"internalType": "uint256",
"name": "",
"type": "uint256"
}
],
"stateMutability": "view",
"type": "function"
},
{
"inputs": [
{
"internalType": "uint256",
"name": "",
"type": "uint256"
},
{
"internalType": "address",
"name": "",
"type": "address"
},
{
"internalType": "uint256",
"name": "",
"type": "uint256"
}
],
"name": "flux",
"outputs": [],
"stateMutability": "nonpayable",
"type": "function"
},
{
"inputs": [
{
"internalType": "uint256",
"name": "",
"type": "uint256"
},
{
"internalType": "int256",
"name": "",
"type": "int256"
},
{
"internalType": "int256",
"name": "",
"type": "int256"
}
],
"name": "frob",
"outputs": [],
"stateMutability": "nonpayable",
"type": "function"
},
{
"inputs": [
{
"internalType": "uint256",
"name": "",
"type": "uint256"
},
{
"internalType": "address",
"name": "",
"type": "address"
}
],
"name": "give",
"outputs": [],
"stateMutability": "nonpayable",
"type": "function"
},
{
"inputs": [
{
"internalType": "uint256",
"name": "",
"type": "uint256"
}
],
"name": "ilks",
"outputs": [
{
"internalType": "bytes32",
"name": "",
"type": "bytes32"
}
],
"stateMutability": "view",
"type": "function"
},
{
"inputs": [
{
"internalType": "address",
"name": "",
"type": "address"
}
],
"name": "last",
"outputs": [
{
"internalType": "uint256",
"name": "",
"type": "uint256"
}
],
"stateMutability": "view",
"type": "function"
},
{
"inputs": [
{
"internalType": "uint256",
"name": "",
"type": "uint256"
},
{
"internalType": "address",
"name": "",
"type": "address"
},
{
"internalType": "uint256",
"name": "",
"type": "uint256"
}
],
"name": "move",
"outputs": [],
"stateMutability": "nonpayable",
"type": "function"
},
{
"inputs": [
{
"internalType": "bytes32",
"name": "",
"type": "bytes32"
},
{
"internalType": "address",
"name": "",
"type": "address"
}
],
"name": "open",
"outputs": [
{
"internalType": "uint256",
"name": "",
"type": "uint256"
}
],
"stateMutability": "nonpayable",
"type": "function"
},
{
"inputs": [
{
"internalType": "uint256",
"name": "",
"type": "uint256"
}
],
"name": "owns",
"outputs": [
{
"internalType": "address",
"name": "",
"type": "address"
}
],
"stateMutability": "view",
"type": "function"
},
{
"inputs": [
{
"internalType": "uint256",
"name": "",
"type": "uint256"
}
],
"name": "urns",
"outputs": [
{
"internalType": "address",
"name": "",
"type": "address"
}
],
"stateMutability": "view",
"type": "function"
},
{
"inputs": [],
"name": "vat",
"outputs": [
{
"internalType": "address",
"name": "",
"type": "address"
}
],
"stateMutability": "view",
"type": "function"
}
],
"bytecode": "0x",
"deployedBytecode": "0x",
"linkReferences": {},
"deployedLinkReferences": {}
}

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{
"contractName": "GetCdps",
"abi": [
{
"inputs": [
{
"internalType": "address",
"name": "manager",
"type": "address"
},
{
"internalType": "address",
"name": "guy",
"type": "address"
}
],
"name": "getCdpsAsc",
"outputs": [
{
"internalType": "uint256[]",
"name": "ids",
"type": "uint256[]"
},
{
"internalType": "address[]",
"name": "urns",
"type": "address[]"
},
{
"internalType": "bytes32[]",
"name": "ilks",
"type": "bytes32[]"
}
],
"stateMutability": "view",
"type": "function"
},
{
"inputs": [
{
"internalType": "address",
"name": "manager",
"type": "address"
},
{
"internalType": "address",
"name": "guy",
"type": "address"
}
],
"name": "getCdpsDesc",
"outputs": [
{
"internalType": "uint256[]",
"name": "ids",
"type": "uint256[]"
},
{
"internalType": "address[]",
"name": "urns",
"type": "address[]"
},
{
"internalType": "bytes32[]",
"name": "ilks",
"type": "bytes32[]"
}
],
"stateMutability": "view",
"type": "function"
}
],
"bytecode": "0x",
"deployedBytecode": "0x",
"linkReferences": {},
"deployedLinkReferences": {}
}

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const {expect} = require("chai");
const bre = require("@nomiclabs/buidler");
const {constants} = require("ethers");
const {ethers} = bre;
const GelatoCoreLib = require("@gelatonetwork/core");
// #region Contracts ABI
const InstaIndex = require("../pre-compiles/InstaIndex.json");
const InstaList = require("../pre-compiles/InstaList.json");
const InstaAccount = require("../pre-compiles/InstaAccount.json");
const ConnectGelato = require("../pre-compiles/ConnectGelato.json");
const ConnectMaker = require("../pre-compiles/ConnectMaker.json");
const ConnectCompound = require("../pre-compiles/ConnectCompound.json");
const ConnectInstaPool = require("../pre-compiles/ConnectInstaPool.json");
const ConnectAuth = require("../pre-compiles/ConnectAuth.json");
const ConnectGelatoDebtBridgeABI = require("../artifacts/ConnectGelatoDebtBridge.json");
const ConnectGelatoProviderPaymentABI = require("../artifacts/ConnectGelatoProviderPayment.json");
const InstaConnector = require("../pre-compiles/InstaConnectors.json");
const DssCdpManager = require("../pre-compiles/DssCdpManager.json");
const GetCdps = require("../pre-compiles/GetCdps.json");
const IERC20 = require("../pre-compiles/IERC20.json");
const CTokenInterface = require("../pre-compiles/CTokenInterface.json");
const ETH = "0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE";
const GAS_LIMIT = "4000000";
const GAS_PRICE_CEIL = ethers.utils.parseUnits("1000", "gwei");
// #endregion
describe("Debt Bridge with External Provider", function () {
this.timeout(0);
if (bre.network.name !== "ganache") {
console.error("Test Suite is meant to be run on ganache only");
process.exit(1);
}
// Wallet to use for local testing
let userWallet;
let userAddress;
let providerWallet;
let providerAddress;
// Deployed instances
let connectGelato;
let connectMaker;
let connectInstaPool;
let connectCompound;
let instaIndex;
let instaList;
let dssCdpManager;
let getCdps;
let daiToken;
let gelatoCore;
let cDaiToken;
let instaMaster;
let instaConnectors;
// Contracts to deploy and use for local testing
let conditionMakerVaultIsSafe;
let connectGelatoDebtBridge;
let connectGelatoProviderPayment;
let oracleAggregator;
let dsaProviderModule;
// Creation during test
let dsa;
let connectedGelatoCore;
before(async function () {
// Get Test Wallet for local testnet
[userWallet] = await ethers.getSigners();
userAddress = await userWallet.getAddress();
[, providerWallet] = await ethers.getSigners();
providerAddress = await providerWallet.getAddress();
instaMaster = await ethers.provider.getSigner(
bre.network.config.InstaMaster
);
// Ganache default accounts prefilled with 100 ETH
expect(await userWallet.getBalance()).to.be.gt(
ethers.utils.parseEther("10")
);
// ===== Get Deployed Contract Instance ==================
instaIndex = await ethers.getContractAt(
InstaIndex.abi,
bre.network.config.InstaIndex
);
instaList = await ethers.getContractAt(
InstaList.abi,
bre.network.config.InstaList
);
connectGelato = await ethers.getContractAt(
ConnectGelato.abi,
bre.network.config.ConnectGelato
);
connectMaker = await ethers.getContractAt(
ConnectMaker.abi,
bre.network.config.ConnectMaker
);
connectInstaPool = await ethers.getContractAt(
ConnectInstaPool.abi,
bre.network.config.ConnectInstaPool
);
connectCompound = await ethers.getContractAt(
ConnectCompound.abi,
bre.network.config.ConnectCompound
);
dssCdpManager = await ethers.getContractAt(
DssCdpManager.abi,
bre.network.config.DssCdpManager
);
getCdps = await ethers.getContractAt(
GetCdps.abi,
bre.network.config.GetCdps
);
daiToken = await ethers.getContractAt(IERC20.abi, bre.network.config.DAI);
gelatoCore = await ethers.getContractAt(
GelatoCoreLib.GelatoCore.abi,
bre.network.config.GelatoCore
);
cDaiToken = await ethers.getContractAt(
CTokenInterface.abi,
bre.network.config.CDAI
);
instaConnectors = await ethers.getContractAt(
InstaConnector.abi,
bre.network.config.InstaConnectors
);
// instaEvent = await ethers.getContractAt(
// InstaEvent.abi,
// bre.network.config.InstaEvent
// )
// ===== Deploy Needed Contract ==================
const OracleAggregator = await ethers.getContractFactory(
"OracleAggregator"
);
oracleAggregator = await OracleAggregator.deploy();
await oracleAggregator.deployed();
const ConditionMakerVaultIsSafe = await ethers.getContractFactory(
"ConditionMakerVaultIsSafe"
);
conditionMakerVaultIsSafe = await ConditionMakerVaultIsSafe.deploy(
oracleAggregator.address
);
await conditionMakerVaultIsSafe.deployed();
const connectorLength = await instaConnectors.connectorLength();
const connectorId = connectorLength.add(1);
const ConnectGelatoDebtBridge = await ethers.getContractFactory(
"ConnectGelatoDebtBridge"
);
connectGelatoDebtBridge = await ConnectGelatoDebtBridge.deploy(
connectorId,
oracleAggregator.address
);
await connectGelatoDebtBridge.deployed();
const ConnectGelatoProviderPayment = await ethers.getContractFactory(
"ConnectGelatoProviderPayment"
);
connectGelatoProviderPayment = await ConnectGelatoProviderPayment.deploy(
connectorId.add(1)
);
await connectGelatoProviderPayment.deployed();
const ProviderModuleDSA = await ethers.getContractFactory(
"ProviderModuleDSA"
);
dsaProviderModule = await ProviderModuleDSA.deploy(
bre.network.config.InstaIndex,
bre.network.config.GelatoCore,
connectGelatoProviderPayment.address
);
await dsaProviderModule.deployed();
///////////////////////////////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////////////////////////////
/////////////////////////////// After Contracts Deployement : Setup ///////////////////////////
///////////////////////////////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////////////////////////////
// Gelato Testing environment setup.
// Step 1 : Add EUR/USD Maker Medianizer in the Oracle Aggregator
// Step 2 : Enable Debt Bridge Connector and Gelato Provider Payment Connector
// Step 3 : Executor Staking on Gelato
// Step 4 : Provider put some fund on gelato for paying future tasks executions
// Step 5 : Provider choose a executor
// Step 6 : Provider will add a module
// Step 7 : Provider should whitelist task
//#region Step 1 Add EUR/USD Maker Medianizer in the Oracle Aggregator
// Oracle Aggregator is a price feeder aggregator
// You will be able to query price from multiple source through this aggregator
// For the demo we add the ETH/USD Medianizer to the aggregator
// MakerDAO price oracle are called Medianizer
await oracleAggregator.addOracle(
"ETH/USD",
"0x729D19f657BD0614b4985Cf1D82531c67569197B"
);
//#endregion
//#region Step 2 Enable Debt Bridge Connector and Gelato Provider Payment Connector
// Debt Bridge Connector is used during refinancing of debt
// This Connect help the user to split a position in one protocol.
// to 2 protocol in a safe way. Both debt position will be safe.
// Gelato Provider Payment Connector is used for paying the provider
// for task execution. So when futur task will be executed, through a self financing
// transaction (user will pay during the execution of the task) task will
// be executed. Improvind user experience.
await userWallet.sendTransaction({
to: bre.network.config.InstaMaster,
value: ethers.utils.parseEther("0.1"),
});
await instaConnectors
.connect(instaMaster)
.enable(connectGelatoDebtBridge.address);
await instaConnectors
.connect(instaMaster)
.enable(connectGelatoProviderPayment.address);
expect(
await instaConnectors.isConnector([connectGelatoDebtBridge.address])
).to.be.true;
expect(
await instaConnectors.isConnector([connectGelatoProviderPayment.address])
).to.be.true;
//#endregion
//#region Step 3 Executor Staking on Gelato
// For task execution provider will ask a executor to watch the
// blockchain for possible execution autorization given by
// the condition that user choose when submitting the task.
// And if all condition are meet executor will execute the task.
// For safety measure Gelato ask the executor to stake a minimum
// amount.
connectedGelatoCore = gelatoCore.connect(providerWallet);
gelatoCore = gelatoCore.connect(userWallet);
await connectedGelatoCore.stakeExecutor({
from: providerAddress,
value: await connectedGelatoCore.minExecutorStake(),
});
expect(
await connectedGelatoCore.isExecutorMinStaked(providerAddress)
).to.be.true;
//#endregion
//#region Step 4 Provider put some fund on gelato for paying future tasks executions
// Provider put some funds in gelato system for paying the
// Executor when this one will execute task on behalf of the
// Provider. At each provider's task execution, some funds (approximatively
// the gas cost value) will be transfered to the Executor stake.
const TASK_AUTOMATION_FUNDS = await gelatoCore.minExecProviderFunds(
GAS_LIMIT,
GAS_PRICE_CEIL
);
await expect(
connectedGelatoCore.provideFunds(providerAddress, {
value: TASK_AUTOMATION_FUNDS,
})
).to.emit(gelatoCore, "LogFundsProvided");
expect(
await connectedGelatoCore.providerFunds(providerAddress)
).to.be.equal(TASK_AUTOMATION_FUNDS);
//#endregion
//#region Step 5 Provider choose a executor
// Provider choose a executor who will execute futur task
// for the provider, it will be compensated by the provider.
await expect(
connectedGelatoCore.providerAssignsExecutor(providerAddress)
).to.emit(gelatoCore, "LogProviderAssignedExecutor");
expect(
await connectedGelatoCore.executorByProvider(providerAddress)
).to.be.equal(providerAddress);
//#endregion
//#region Step 6 Provider will add a module
// By adding a module the provider will format future task's
// payload by adding some specificity like his address to the
// Payment connector for receiving payment of User.
await expect(
connectedGelatoCore.addProviderModules([dsaProviderModule.address])
).to.emit(gelatoCore, "LogProviderModuleAdded");
expect(
await connectedGelatoCore.isModuleProvided(
providerAddress,
dsaProviderModule.address
)
).to.be.true;
//#endregion
//#region Step 7 Provider should whitelist task
// By WhiteList task, the provider can constrain the type
// of task the user can submitting.
//#region Actions
const spells = [];
let debtBridge = new GelatoCoreLib.Action({
addr: connectGelatoDebtBridge.address,
data: constants.HashZero,
operation: GelatoCoreLib.Operation.Delegatecall,
dataFlow: GelatoCoreLib.DataFlow.None,
termsOkCheck: false,
value: 0,
});
spells.push(debtBridge);
let flashBorrow = new GelatoCoreLib.Action({
addr: connectInstaPool.address,
data: constants.HashZero,
operation: GelatoCoreLib.Operation.Delegatecall,
dataFlow: GelatoCoreLib.DataFlow.None,
termsOkCheck: false,
value: 0,
});
spells.push(flashBorrow);
let paybackMaker = new GelatoCoreLib.Action({
addr: connectMaker.address,
data: constants.HashZero,
operation: GelatoCoreLib.Operation.Delegatecall,
dataFlow: GelatoCoreLib.DataFlow.None,
termsOkCheck: false,
value: 0,
});
spells.push(paybackMaker);
let withdrawMaker = new GelatoCoreLib.Action({
addr: connectMaker.address,
data: constants.HashZero,
operation: GelatoCoreLib.Operation.Delegatecall,
dataFlow: GelatoCoreLib.DataFlow.None,
termsOkCheck: false,
value: 0,
});
spells.push(withdrawMaker);
let depositCompound = new GelatoCoreLib.Action({
addr: connectCompound.address,
data: constants.HashZero,
operation: GelatoCoreLib.Operation.Delegatecall,
dataFlow: GelatoCoreLib.DataFlow.None,
termsOkCheck: false,
value: 0,
});
spells.push(depositCompound);
let borrowCompound = new GelatoCoreLib.Action({
addr: connectCompound.address,
data: constants.HashZero,
operation: GelatoCoreLib.Operation.Delegatecall,
dataFlow: GelatoCoreLib.DataFlow.None,
termsOkCheck: false,
value: 0,
});
spells.push(borrowCompound);
let flashPayBack = new GelatoCoreLib.Action({
addr: connectInstaPool.address,
data: constants.HashZero,
operation: GelatoCoreLib.Operation.Delegatecall,
dataFlow: GelatoCoreLib.DataFlow.None,
termsOkCheck: false,
value: 0,
});
spells.push(flashPayBack);
let payProvider = new GelatoCoreLib.Action({
addr: connectGelatoProviderPayment.address,
data: constants.HashZero,
operation: GelatoCoreLib.Operation.Delegatecall,
dataFlow: GelatoCoreLib.DataFlow.None,
termsOkCheck: false,
value: 0,
});
spells.push(payProvider);
const gasPriceCeil = constants.MaxUint256;
const gelatoFlashLoanTaskSpec = new GelatoCoreLib.TaskSpec({
conditions: [conditionMakerVaultIsSafe.address],
actions: spells,
gasPriceCeil,
});
await expect(
connectedGelatoCore.provideTaskSpecs([gelatoFlashLoanTaskSpec])
).to.emit(gelatoCore, "LogTaskSpecProvided");
expect(
await connectedGelatoCore.isTaskSpecProvided(
providerAddress,
gelatoFlashLoanTaskSpec
)
).to.be.equal("OK");
expect(
await connectedGelatoCore.taskSpecGasPriceCeil(
providerAddress,
await connectedGelatoCore.hashTaskSpec(gelatoFlashLoanTaskSpec)
)
).to.be.equal(gasPriceCeil);
//#endregion
//#endregion
});
it("Use Maker Compound refinancing if the maker vault become unsafe after a market move.", async function () {
// User Actions
// Step 1 : User create a DeFi Smart Account
// Step 2 : User open a Vault, put some ether on it and borrow some dai
// Step 3 : User give authorization to gelato to use his DSA on his behalf.
// Step 4 : User submit a Debt Refinancing task if market move against him
// Step 5 : Market Move against the user (Mock)
// Step 6 : Executor execute the user's task
//#region Step 1 User create a DeFi Smart Account
// User create a Instadapp DeFi Smart Account
// who give him the possibility to interact
// with a large list of DeFi protocol through one
// Proxy account.
const dsaAccountCount = await instaList.accounts();
await expect(instaIndex.build(userAddress, 1, userAddress)).to.emit(
instaIndex,
"LogAccountCreated"
);
const dsaID = dsaAccountCount.add(1);
await expect(await instaList.accounts()).to.be.equal(dsaID);
// Instantiate the DSA
dsa = await ethers.getContractAt(
InstaAccount.abi,
await instaList.accountAddr(dsaID)
);
//#endregion
//#region Step 2 User open a Vault, put some ether on it and borrow some dai
// User open a maker vault
// He deposit 10 Eth on it
// He borrow a 1000 DAI
const openVault = await bre.run("abi-encode-withselector", {
abi: ConnectMaker.abi,
functionname: "open",
inputs: ["ETH-A"],
});
await dsa.cast([bre.network.config.ConnectMaker], [openVault], userAddress);
let cdps = await getCdps.getCdpsAsc(dssCdpManager.address, dsa.address);
let cdpId = String(cdps.ids[0]);
expect(cdps.ids[0].isZero()).to.be.false;
await dsa.cast(
[bre.network.config.ConnectMaker],
[
await bre.run("abi-encode-withselector", {
abi: ConnectMaker.abi,
functionname: "deposit",
inputs: [cdpId, ethers.utils.parseEther("10"), 0, 0],
}),
],
userAddress,
{
value: ethers.utils.parseEther("10"),
}
);
await dsa.cast(
[bre.network.config.ConnectMaker],
[
await bre.run("abi-encode-withselector", {
abi: ConnectMaker.abi,
functionname: "borrow",
inputs: [cdpId, ethers.utils.parseUnits("1000", 18), 0, 0],
}),
],
userAddress
);
expect(await daiToken.balanceOf(dsa.address)).to.be.equal(
ethers.utils.parseEther("1000")
);
//#endregion
//#region Step 3 User give authorization to gelato to use his DSA on his behalf.
// Instadapp DSA contract give the possibility to the user to delegate
// action by giving authorization.
// In this case user give authorization to gelato to execute
// task for him if needed.
await dsa.cast(
[bre.network.config.ConnectAuth],
[
await bre.run("abi-encode-withselector", {
abi: ConnectAuth.abi,
functionname: "add",
inputs: [gelatoCore.address],
}),
],
userAddress
);
expect(await dsa.isAuth(gelatoCore.address)).to.be.true;
//#endregion
//#region Step 4 User submit a Debt Refinancing task if market move against him
// User submit the refinancing task if market move against him.
// So in this case if the maker vault go to the unsafe area
// the refinancing task will be executed and the position
// will be split on two position on maker and compound.
// It will be done through a algorithm that will optimize the
// total borrow rate.
const debtBridgeCondition = new GelatoCoreLib.Condition({
inst: conditionMakerVaultIsSafe.address,
data: await conditionMakerVaultIsSafe.getConditionData(
cdpId,
"ETH/USD",
ethers.utils.parseUnits("3", 18)
),
});
// ======= Action/Spells setup ======
const spells = [];
let debtBridgeCalculation = new GelatoCoreLib.Action({
addr: connectGelatoDebtBridge.address,
data: await bre.run("abi-encode-withselector", {
abi: ConnectGelatoDebtBridgeABI.abi,
functionname: "debtBridgeMakerToCompound",
inputs: [
cdpId,
ethers.utils.parseUnits("3", 18),
ethers.utils.parseUnits("18", 17),
"ETH/USD",
0,
0,
],
}),
operation: GelatoCoreLib.Operation.Delegatecall,
});
spells.push(debtBridgeCalculation);
let flashBorrow = new GelatoCoreLib.Action({
addr: connectInstaPool.address,
data: await bre.run("abi-encode-withselector", {
abi: ConnectInstaPool.abi,
functionname: "flashBorrow",
inputs: [bre.network.config.DAI, 0, "100", 0],
}),
operation: GelatoCoreLib.Operation.Delegatecall,
});
spells.push(flashBorrow);
let paybackMaker = new GelatoCoreLib.Action({
addr: connectMaker.address,
data: await bre.run("abi-encode-withselector", {
abi: ConnectMaker.abi,
functionname: "payback",
inputs: [cdpId, 0, "101", 0],
}),
operation: GelatoCoreLib.Operation.Delegatecall,
});
spells.push(paybackMaker);
let withdrawMaker = new GelatoCoreLib.Action({
addr: connectMaker.address,
data: await bre.run("abi-encode-withselector", {
abi: ConnectMaker.abi,
functionname: "withdraw",
inputs: [cdpId, 0, "102", 0],
}),
operation: GelatoCoreLib.Operation.Delegatecall,
});
spells.push(withdrawMaker);
let depositCompound = new GelatoCoreLib.Action({
addr: connectCompound.address,
data: await bre.run("abi-encode-withselector", {
abi: ConnectCompound.abi,
functionname: "deposit",
inputs: [ETH, 0, "103", 0],
}),
operation: GelatoCoreLib.Operation.Delegatecall,
});
spells.push(depositCompound);
let borrowCompound = new GelatoCoreLib.Action({
addr: connectCompound.address,
data: await bre.run("abi-encode-withselector", {
abi: ConnectCompound.abi,
functionname: "borrow",
inputs: [bre.network.config.DAI, 0, "104", 0],
}),
operation: GelatoCoreLib.Operation.Delegatecall,
});
spells.push(borrowCompound);
let flashPayBack = new GelatoCoreLib.Action({
addr: connectInstaPool.address,
data: await bre.run("abi-encode-withselector", {
abi: ConnectInstaPool.abi,
functionname: "flashPayback",
inputs: [bre.network.config.DAI, 0, 0],
}),
operation: GelatoCoreLib.Operation.Delegatecall,
});
spells.push(flashPayBack);
let payProvider = new GelatoCoreLib.Action({
addr: connectGelatoProviderPayment.address,
data: await bre.run("abi-encode-withselector", {
abi: ConnectGelatoProviderPaymentABI.abi,
functionname: "payProvider",
inputs: [ethers.constants.AddressZero, ETH, 0, "105", 0],
}),
operation: GelatoCoreLib.Operation.Delegatecall,
});
spells.push(payProvider);
const refinanceIfCompoundBorrowIsBetter = new GelatoCoreLib.Task({
conditions: [debtBridgeCondition],
actions: spells,
});
const gelatoExternalProvider = new GelatoCoreLib.GelatoProvider({
addr: providerAddress,
module: dsaProviderModule.address,
});
const expiryDate = 0;
await expect(
dsa.cast(
[connectGelato.address], // targets
[
await bre.run("abi-encode-withselector", {
abi: ConnectGelato.abi,
functionname: "submitTask",
inputs: [
gelatoExternalProvider,
refinanceIfCompoundBorrowIsBetter,
expiryDate,
],
}),
], // datas
userAddress, // origin
{
gasLimit: 5000000,
}
)
).to.emit(gelatoCore, "LogTaskSubmitted");
const taskReceipt = new GelatoCoreLib.TaskReceipt({
id: await gelatoCore.currentTaskReceiptId(),
userProxy: dsa.address,
provider: gelatoExternalProvider,
tasks: [refinanceIfCompoundBorrowIsBetter],
expiryDate,
});
//#endregion
//#region Step 5 Market Move against the user (Mock)
// Ether market price went from the current price to 250$
const gelatoGasPrice = await bre.run("fetchGelatoGasPrice");
expect(gelatoGasPrice).to.be.lte(GAS_PRICE_CEIL);
expect(
await connectedGelatoCore.canExec(taskReceipt, GAS_LIMIT, gelatoGasPrice)
).to.be.equal("ConditionNotOk:NotOKMakerVaultIsSafe");
await oracleAggregator.mock(true, ethers.utils.parseUnits("250", 18));
expect(
await connectedGelatoCore.canExec(taskReceipt, GAS_LIMIT, gelatoGasPrice)
).to.be.equal("OK");
//#endregion
//#region Step 6 Executor execute the user's task
// The market move make the vault unsafe, so the executor
// will execute the user's task to make the user position safe
// by a debt refinancing in compound.
let providerBalanceBeforeExecution = await providerWallet.getBalance();
await expect(
connectedGelatoCore.exec(taskReceipt, {
gasPrice: gelatoGasPrice, // Exectutor must use gelatoGasPrice (Chainlink fast gwei)
gasLimit: GAS_LIMIT,
})
).to.emit(gelatoCore, "LogExecSuccess");
let providerBalanceAfterExecution = await providerWallet.getBalance();
expect(providerBalanceAfterExecution).to.be.gt(
providerBalanceBeforeExecution
);
const amtOfBorrowedDAIOnCompound = (
await cDaiToken.getAccountSnapshot(dsa.address)
)[2];
expect(amtOfBorrowedDAIOnCompound).to.be.lt(
ethers.utils.parseUnits("1000", 18)
); // Check the borrow amount
expect(await daiToken.balanceOf(dsa.address)).to.be.equal(
ethers.utils.parseUnits("1000", 18)
);
//#endregion
});
});