编译器
0.8.22+commit.4fc1097e
文件 1 的 40：Address.sol
pragma solidity ^0.8.1;
library Address {
function isContract(address account) internal view returns (bool) {
return account.code.length > 0;
}
function sendValue(address payable recipient, uint256 amount) internal {
require(address(this).balance >= amount, "Address: insufficient balance");
(bool success, ) = recipient.call{value: amount}("");
require(success, "Address: unable to send value, recipient may have reverted");
}
function functionCall(address target, bytes memory data) internal returns (bytes memory) {
return functionCallWithValue(target, data, 0, "Address: low-level call failed");
}
function functionCall(
address target,
bytes memory data,
string memory errorMessage
) internal returns (bytes memory) {
return functionCallWithValue(target, data, 0, errorMessage);
}
function functionCallWithValue(
address target,
bytes memory data,
uint256 value
) internal returns (bytes memory) {
return functionCallWithValue(target, data, value, "Address: low-level call with value failed");
}
function functionCallWithValue(
address target,
bytes memory data,
uint256 value,
string memory errorMessage
) internal returns (bytes memory) {
require(address(this).balance >= value, "Address: insufficient balance for call");
(bool success, bytes memory returndata) = target.call{value: value}(data);
return verifyCallResultFromTarget(target, success, returndata, errorMessage);
}
function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {
return functionStaticCall(target, data, "Address: low-level static call failed");
}
function functionStaticCall(
address target,
bytes memory data,
string memory errorMessage
) internal view returns (bytes memory) {
(bool success, bytes memory returndata) = target.staticcall(data);
return verifyCallResultFromTarget(target, success, returndata, errorMessage);
}
function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) {
return functionDelegateCall(target, data, "Address: low-level delegate call failed");
}
function functionDelegateCall(
address target,
bytes memory data,
string memory errorMessage
) internal returns (bytes memory) {
(bool success, bytes memory returndata) = target.delegatecall(data);
return verifyCallResultFromTarget(target, success, returndata, errorMessage);
}
function verifyCallResultFromTarget(
address target,
bool success,
bytes memory returndata,
string memory errorMessage
) internal view returns (bytes memory) {
if (success) {
if (returndata.length == 0) {
require(isContract(target), "Address: call to non-contract");
}
return returndata;
} else {
_revert(returndata, errorMessage);
}
}
function verifyCallResult(
bool success,
bytes memory returndata,
string memory errorMessage
) internal pure returns (bytes memory) {
if (success) {
return returndata;
} else {
_revert(returndata, errorMessage);
}
}
function _revert(bytes memory returndata, string memory errorMessage) private pure {
if (returndata.length > 0) {
assembly {
let returndata_size := mload(returndata)
revert(add(32, returndata), returndata_size)
}
} else {
revert(errorMessage);
}
}
}
文件 2 的 40：AddressUpgradeable.sol
pragma solidity ^0.8.1;
library AddressUpgradeable {
function isContract(address account) internal view returns (bool) {
return account.code.length > 0;
}
function sendValue(address payable recipient, uint256 amount) internal {
require(address(this).balance >= amount, "Address: insufficient balance");
(bool success, ) = recipient.call{value: amount}("");
require(success, "Address: unable to send value, recipient may have reverted");
}
function functionCall(address target, bytes memory data) internal returns (bytes memory) {
return functionCallWithValue(target, data, 0, "Address: low-level call failed");
}
function functionCall(
address target,
bytes memory data,
string memory errorMessage
) internal returns (bytes memory) {
return functionCallWithValue(target, data, 0, errorMessage);
}
function functionCallWithValue(
address target,
bytes memory data,
uint256 value
) internal returns (bytes memory) {
return functionCallWithValue(target, data, value, "Address: low-level call with value failed");
}
function functionCallWithValue(
address target,
bytes memory data,
uint256 value,
string memory errorMessage
) internal returns (bytes memory) {
require(address(this).balance >= value, "Address: insufficient balance for call");
(bool success, bytes memory returndata) = target.call{value: value}(data);
return verifyCallResultFromTarget(target, success, returndata, errorMessage);
}
function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {
return functionStaticCall(target, data, "Address: low-level static call failed");
}
function functionStaticCall(
address target,
bytes memory data,
string memory errorMessage
) internal view returns (bytes memory) {
(bool success, bytes memory returndata) = target.staticcall(data);
return verifyCallResultFromTarget(target, success, returndata, errorMessage);
}
function verifyCallResultFromTarget(
address target,
bool success,
bytes memory returndata,
string memory errorMessage
) internal view returns (bytes memory) {
if (success) {
if (returndata.length == 0) {
require(isContract(target), "Address: call to non-contract");
}
return returndata;
} else {
_revert(returndata, errorMessage);
}
}
function verifyCallResult(
bool success,
bytes memory returndata,
string memory errorMessage
) internal pure returns (bytes memory) {
if (success) {
return returndata;
} else {
_revert(returndata, errorMessage);
}
}
function _revert(bytes memory returndata, string memory errorMessage) private pure {
if (returndata.length > 0) {
assembly {
let returndata_size := mload(returndata)
revert(add(32, returndata), returndata_size)
}
} else {
revert(errorMessage);
}
}
}
文件 3 的 40：AddressesProvider.sol
pragma solidity >=0.8.0;
import { SafeOwnableUpgradeable } from "../ionic/SafeOwnableUpgradeable.sol";
contract AddressesProvider is SafeOwnableUpgradeable {
mapping(string => address) private _addresses;
mapping(address => Contract) public plugins;
mapping(address => Contract) public flywheelRewards;
mapping(address => RedemptionStrategy) public redemptionStrategiesConfig;
mapping(address => FundingStrategy) public fundingStrategiesConfig;
JarvisPool[] public jarvisPoolsConfig;
CurveSwapPool[] public curveSwapPoolsConfig;
mapping(address => mapping(address => address)) public balancerPoolForTokens;
function initialize(address owner) public initializer {
__SafeOwnable_init(owner);
}
struct Contract {
address addr;
string contractInterface;
}
struct RedemptionStrategy {
address addr;
string contractInterface;
address outputToken;
}
struct FundingStrategy {
address addr;
string contractInterface;
address inputToken;
}
struct JarvisPool {
address syntheticToken;
address collateralToken;
address liquidityPool;
uint256 expirationTime;
}
struct CurveSwapPool {
address poolAddress;
address[] coins;
}
function setFlywheelRewards(
address rewardToken,
address flywheelRewardsModule,
string calldata contractInterface
) public onlyOwner {
flywheelRewards[rewardToken] = Contract(flywheelRewardsModule, contractInterface);
}
function setPlugin(
address asset,
address plugin,
string calldata contractInterface
) public onlyOwner {
plugins[asset] = Contract(plugin, contractInterface);
}
function setRedemptionStrategy(
address asset,
address strategy,
string calldata contractInterface,
address outputToken
) public onlyOwner {
redemptionStrategiesConfig[asset] = RedemptionStrategy(strategy, contractInterface, outputToken);
}
function getRedemptionStrategy(address asset) public view returns (RedemptionStrategy memory) {
return redemptionStrategiesConfig[asset];
}
function setFundingStrategy(
address asset,
address strategy,
string calldata contractInterface,
address inputToken
) public onlyOwner {
fundingStrategiesConfig[asset] = FundingStrategy(strategy, contractInterface, inputToken);
}
function getFundingStrategy(address asset) public view returns (FundingStrategy memory) {
return fundingStrategiesConfig[asset];
}
function setJarvisPool(
address syntheticToken,
address collateralToken,
address liquidityPool,
uint256 expirationTime
) public onlyOwner {
jarvisPoolsConfig.push(JarvisPool(syntheticToken, collateralToken, liquidityPool, expirationTime));
}
function setCurveSwapPool(address poolAddress, address[] calldata coins) public onlyOwner {
curveSwapPoolsConfig.push(CurveSwapPool(poolAddress, coins));
}
function setAddress(string calldata id, address newAddress) external onlyOwner {
_addresses[id] = newAddress;
}
function getAddress(string calldata id) public view returns (address) {
return _addresses[id];
}
function getCurveSwapPools() public view returns (CurveSwapPool[] memory) {
return curveSwapPoolsConfig;
}
function getJarvisPools() public view returns (JarvisPool[] memory) {
return jarvisPoolsConfig;
}
function setBalancerPoolForTokens(
address inputToken,
address outputToken,
address pool
) external onlyOwner {
balancerPoolForTokens[inputToken][outputToken] = pool;
}
function getBalancerPoolForTokens(address inputToken, address outputToken) external view returns (address) {
return balancerPoolForTokens[inputToken][outputToken];
}
}
文件 4 的 40：Auth.sol
pragma solidity >=0.8.0;
abstract contract Auth {
event OwnerUpdated(address indexed user, address indexed newOwner);
event AuthorityUpdated(address indexed user, Authority indexed newAuthority);
address public owner;
Authority public authority;
constructor(address _owner, Authority _authority) {
owner = _owner;
authority = _authority;
emit OwnerUpdated(msg.sender, _owner);
emit AuthorityUpdated(msg.sender, _authority);
}
modifier requiresAuth() virtual {
require(isAuthorized(msg.sender, msg.sig), "UNAUTHORIZED");
_;
}
function isAuthorized(address user, bytes4 functionSig) internal view virtual returns (bool) {
Authority auth = authority;
return (address(auth) != address(0) && auth.canCall(user, address(this), functionSig)) || user == owner;
}
function setAuthority(Authority newAuthority) public virtual {
require(msg.sender == owner || authority.canCall(msg.sender, address(this), msg.sig));
authority = newAuthority;
emit AuthorityUpdated(msg.sender, newAuthority);
}
function setOwner(address newOwner) public virtual requiresAuth {
owner = newOwner;
emit OwnerUpdated(msg.sender, newOwner);
}
}
interface Authority {
function canCall(
address user,
address target,
bytes4 functionSig
) external view returns (bool);
}
文件 5 的 40：AuthoritiesRegistry.sol
pragma solidity >=0.8.0;
import { PoolRolesAuthority } from "../ionic/PoolRolesAuthority.sol";
import { SafeOwnableUpgradeable } from "../ionic/SafeOwnableUpgradeable.sol";
import { IonicComptroller } from "../compound/ComptrollerInterface.sol";
import { TransparentUpgradeableProxy } from "@openzeppelin/contracts/proxy/transparent/TransparentUpgradeableProxy.sol";
contract AuthoritiesRegistry is SafeOwnableUpgradeable {
mapping(address => PoolRolesAuthority) public poolsAuthorities;
PoolRolesAuthority public poolAuthLogic;
address public leveredPositionsFactory;
bool public noAuthRequired;
function initialize(address _leveredPositionsFactory) public initializer {
__SafeOwnable_init(msg.sender);
leveredPositionsFactory = _leveredPositionsFactory;
poolAuthLogic = new PoolRolesAuthority();
}
function reinitialize(address _leveredPositionsFactory) public onlyOwnerOrAdmin {
leveredPositionsFactory = _leveredPositionsFactory;
poolAuthLogic = new PoolRolesAuthority();
noAuthRequired = block.chainid == 245022934;
}
function createPoolAuthority(address pool) public onlyOwner returns (PoolRolesAuthority auth) {
require(address(poolsAuthorities[pool]) == address(0), "already created");
TransparentUpgradeableProxy proxy = new TransparentUpgradeableProxy(address(poolAuthLogic), _getProxyAdmin(), "");
auth = PoolRolesAuthority(address(proxy));
auth.initialize(address(this));
poolsAuthorities[pool] = auth;
auth.openPoolSupplierCapabilities(IonicComptroller(pool));
auth.setUserRole(address(this), auth.REGISTRY_ROLE(), true);
reconfigureAuthority(pool);
}
function reconfigureAuthority(address poolAddress) public {
IonicComptroller pool = IonicComptroller(poolAddress);
PoolRolesAuthority auth = poolsAuthorities[address(pool)];
if (msg.sender != poolAddress || address(auth) != address(0)) {
require(address(auth) != address(0), "no such authority");
require(msg.sender == owner() || msg.sender == poolAddress, "not owner or pool");
auth.configureRegistryCapabilities();
auth.configurePoolSupplierCapabilities(pool);
auth.configurePoolBorrowerCapabilities(pool);
auth.configureOpenPoolLiquidatorCapabilities(pool);
auth.configureLeveredPositionCapabilities(pool);
if (auth.owner() != owner()) {
auth.setOwner(owner());
}
}
}
function canCall(
address pool,
address user,
address target,
bytes4 functionSig
) external view returns (bool) {
PoolRolesAuthority authorityForPool = poolsAuthorities[pool];
if (address(authorityForPool) == address(0)) {
return noAuthRequired;
} else {
return authorityForPool.canCall(user, target, functionSig);
}
}
function setUserRole(
address pool,
address user,
uint8 role,
bool enabled
) external {
PoolRolesAuthority poolAuth = poolsAuthorities[pool];
require(address(poolAuth) != address(0), "auth does not exist");
require(msg.sender == owner() || msg.sender == leveredPositionsFactory, "not owner or factory");
require(msg.sender != leveredPositionsFactory || role == poolAuth.LEVERED_POSITION_ROLE(), "only lev pos role");
poolAuth.setUserRole(user, role, enabled);
}
}
文件 6 的 40：BasePriceOracle.sol
pragma solidity >=0.8.0;
import "../compound/CTokenInterfaces.sol";
interface BasePriceOracle {
function price(address underlying) external view returns (uint256);
function getUnderlyingPrice(ICErc20 cToken) external view returns (uint256);
}
文件 7 的 40：CTokenInterfaces.sol
pragma solidity >=0.8.0;
import { IonicComptroller } from "./ComptrollerInterface.sol";
import { InterestRateModel } from "./InterestRateModel.sol";
import { ComptrollerV3Storage } from "./ComptrollerStorage.sol";
import { AddressesProvider } from "../ionic/AddressesProvider.sol";
abstract contract CTokenAdminStorage {
address payable public ionicAdmin;
}
abstract contract CErc20Storage is CTokenAdminStorage {
bool internal _notEntered;
string public name;
string public symbol;
uint8 public decimals;
uint256 internal constant borrowRateMaxMantissa = 0.0005e16;
uint256 internal constant reserveFactorPlusFeesMaxMantissa = 1e18;
IonicComptroller public comptroller;
InterestRateModel public interestRateModel;
uint256 internal initialExchangeRateMantissa;
uint256 public adminFeeMantissa;
uint256 public ionicFeeMantissa;
uint256 public reserveFactorMantissa;
uint256 public accrualBlockNumber;
uint256 public borrowIndex;
uint256 public totalBorrows;
uint256 public totalReserves;
uint256 public totalAdminFees;
uint256 public totalIonicFees;
uint256 public totalSupply;
mapping(address => uint256) internal accountTokens;
mapping(address => mapping(address => uint256)) internal transferAllowances;
struct BorrowSnapshot {
uint256 principal;
uint256 interestIndex;
}
mapping(address => BorrowSnapshot) internal accountBorrows;
uint256 public constant protocolSeizeShareMantissa = 2.8e16;
uint256 public constant feeSeizeShareMantissa = 1e17;
address public underlying;
AddressesProvider public ap;
}
abstract contract CTokenBaseEvents {
event Transfer(address indexed from, address indexed to, uint256 amount);
event NewMarketInterestRateModel(InterestRateModel oldInterestRateModel, InterestRateModel newInterestRateModel);
event NewReserveFactor(uint256 oldReserveFactorMantissa, uint256 newReserveFactorMantissa);
event NewAdminFee(uint256 oldAdminFeeMantissa, uint256 newAdminFeeMantissa);
event NewIonicFee(uint256 oldIonicFeeMantissa, uint256 newIonicFeeMantissa);
event Approval(address indexed owner, address indexed spender, uint256 amount);
event AccrueInterest(uint256 cashPrior, uint256 interestAccumulated, uint256 borrowIndex, uint256 totalBorrows);
}
abstract contract CTokenFirstExtensionEvents is CTokenBaseEvents {
event Flash(address receiver, uint256 amount);
}
abstract contract CTokenSecondExtensionEvents is CTokenBaseEvents {
event Mint(address minter, uint256 mintAmount, uint256 mintTokens);
event Redeem(address redeemer, uint256 redeemAmount, uint256 redeemTokens);
event Borrow(address borrower, uint256 borrowAmount, uint256 accountBorrows, uint256 totalBorrows);
event RepayBorrow(address payer, address borrower, uint256 repayAmount, uint256 accountBorrows, uint256 totalBorrows);
event LiquidateBorrow(
address liquidator,
address borrower,
uint256 repayAmount,
address cTokenCollateral,
uint256 seizeTokens
);
event ReservesAdded(address benefactor, uint256 addAmount, uint256 newTotalReserves);
event ReservesReduced(address admin, uint256 reduceAmount, uint256 newTotalReserves);
}
interface CTokenFirstExtensionInterface {
function transfer(address dst, uint256 amount) external returns (bool);
function transferFrom(
address src,
address dst,
uint256 amount
) external returns (bool);
function approve(address spender, uint256 amount) external returns (bool);
function allowance(address owner, address spender) external view returns (uint256);
function balanceOf(address owner) external view returns (uint256);
function _setReserveFactor(uint256 newReserveFactorMantissa) external returns (uint256);
function _setAdminFee(uint256 newAdminFeeMantissa) external returns (uint256);
function _setInterestRateModel(InterestRateModel newInterestRateModel) external returns (uint256);
function getAccountSnapshot(address account)
external
view
returns (
uint256,
uint256,
uint256,
uint256
);
function borrowRatePerBlock() external view returns (uint256);
function supplyRatePerBlock() external view returns (uint256);
function exchangeRateCurrent() external view returns (uint256);
function accrueInterest() external returns (uint256);
function totalBorrowsCurrent() external view returns (uint256);
function borrowBalanceCurrent(address account) external view returns (uint256);
function getTotalUnderlyingSupplied() external view returns (uint256);
function balanceOfUnderlying(address owner) external view returns (uint256);
function multicall(bytes[] calldata data) external payable returns (bytes[] memory results);
function flash(uint256 amount, bytes calldata data) external;
function supplyRatePerBlockAfterDeposit(uint256 mintAmount) external view returns (uint256);
function supplyRatePerBlockAfterWithdraw(uint256 withdrawAmount) external view returns (uint256);
function borrowRatePerBlockAfterBorrow(uint256 borrowAmount) external view returns (uint256);
function registerInSFS() external returns (uint256);
}
interface CTokenSecondExtensionInterface {
function mint(uint256 mintAmount) external returns (uint256);
function redeem(uint256 redeemTokens) external returns (uint256);
function redeemUnderlying(uint256 redeemAmount) external returns (uint256);
function borrow(uint256 borrowAmount) external returns (uint256);
function repayBorrow(uint256 repayAmount) external returns (uint256);
function repayBorrowBehalf(address borrower, uint256 repayAmount) external returns (uint256);
function liquidateBorrow(
address borrower,
uint256 repayAmount,
address cTokenCollateral
) external returns (uint256);
function getCash() external view returns (uint256);
function seize(
address liquidator,
address borrower,
uint256 seizeTokens
) external returns (uint256);
function _withdrawAdminFees(uint256 withdrawAmount) external returns (uint256);
function _withdrawIonicFees(uint256 withdrawAmount) external returns (uint256);
function selfTransferOut(address to, uint256 amount) external;
function selfTransferIn(address from, uint256 amount) external returns (uint256);
}
interface CDelegatorInterface {
function implementation() external view returns (address);
function _setImplementationSafe(address implementation_, bytes calldata becomeImplementationData) external;
function _upgrade() external;
}
interface CDelegateInterface {
function _becomeImplementation(bytes calldata data) external;
function delegateType() external pure returns (uint8);
function contractType() external pure returns (string memory);
}
abstract contract CErc20AdminBase is CErc20Storage {
function hasAdminRights() internal view returns (bool) {
ComptrollerV3Storage comptrollerStorage = ComptrollerV3Storage(address(comptroller));
return
(msg.sender == comptrollerStorage.admin() && comptrollerStorage.adminHasRights()) ||
(msg.sender == address(ionicAdmin) && comptrollerStorage.ionicAdminHasRights());
}
}
abstract contract CErc20FirstExtensionBase is
CErc20AdminBase,
CTokenFirstExtensionEvents,
CTokenFirstExtensionInterface
{}
abstract contract CTokenSecondExtensionBase is
CErc20AdminBase,
CTokenSecondExtensionEvents,
CTokenSecondExtensionInterface,
CDelegateInterface
{}
abstract contract CErc20DelegatorBase is CErc20AdminBase, CTokenSecondExtensionEvents, CDelegatorInterface {}
interface CErc20StorageInterface {
function admin() external view returns (address);
function adminHasRights() external view returns (bool);
function ionicAdmin() external view returns (address);
function ionicAdminHasRights() external view returns (bool);
function comptroller() external view returns (IonicComptroller);
function name() external view returns (string memory);
function symbol() external view returns (string memory);
function decimals() external view returns (uint8);
function totalSupply() external view returns (uint256);
function adminFeeMantissa() external view returns (uint256);
function ionicFeeMantissa() external view returns (uint256);
function reserveFactorMantissa() external view returns (uint256);
function protocolSeizeShareMantissa() external view returns (uint256);
function feeSeizeShareMantissa() external view returns (uint256);
function totalReserves() external view returns (uint256);
function totalAdminFees() external view returns (uint256);
function totalIonicFees() external view returns (uint256);
function totalBorrows() external view returns (uint256);
function accrualBlockNumber() external view returns (uint256);
function underlying() external view returns (address);
function borrowIndex() external view returns (uint256);
function interestRateModel() external view returns (address);
}
interface CErc20PluginStorageInterface is CErc20StorageInterface {
function plugin() external view returns (address);
}
interface CErc20PluginRewardsInterface is CErc20PluginStorageInterface {
function approve(address, address) external;
}
interface ICErc20 is
CErc20StorageInterface,
CTokenSecondExtensionInterface,
CTokenFirstExtensionInterface,
CDelegatorInterface,
CDelegateInterface
{}
interface ICErc20Plugin is CErc20PluginStorageInterface, ICErc20 {
function _updatePlugin(address _plugin) external;
}
interface ICErc20PluginRewards is CErc20PluginRewardsInterface, ICErc20 {}
文件 8 的 40：CarefulMath.sol
pragma solidity >=0.8.0;
contract CarefulMath {
enum MathError {
NO_ERROR,
DIVISION_BY_ZERO,
INTEGER_OVERFLOW,
INTEGER_UNDERFLOW
}
function mulUInt(uint256 a, uint256 b) internal pure returns (MathError, uint256) {
if (a == 0) {
return (MathError.NO_ERROR, 0);
}
uint256 c;
unchecked {
c = a * b;
}
if (c / a != b) {
return (MathError.INTEGER_OVERFLOW, 0);
} else {
return (MathError.NO_ERROR, c);
}
}
function divUInt(uint256 a, uint256 b) internal pure returns (MathError, uint256) {
if (b == 0) {
return (MathError.DIVISION_BY_ZERO, 0);
}
return (MathError.NO_ERROR, a / b);
}
function subUInt(uint256 a, uint256 b) internal pure returns (MathError, uint256) {
if (b <= a) {
return (MathError.NO_ERROR, a - b);
} else {
return (MathError.INTEGER_UNDERFLOW, 0);
}
}
function addUInt(uint256 a, uint256 b) internal pure returns (MathError, uint256) {
uint256 c;
unchecked {
c = a + b;
}
if (c >= a) {
return (MathError.NO_ERROR, c);
} else {
return (MathError.INTEGER_OVERFLOW, 0);
}
}
function addThenSubUInt(
uint256 a,
uint256 b,
uint256 c
) internal pure returns (MathError, uint256) {
(MathError err0, uint256 sum) = addUInt(a, b);
if (err0 != MathError.NO_ERROR) {
return (err0, 0);
}
return subUInt(sum, c);
}
}
文件 9 的 40：CollateralSwap.sol
pragma solidity ^0.8.22;
import { IERC20, SafeERC20 } from "@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol";
import { Ownable2Step } from "@openzeppelin/contracts/access/Ownable2Step.sol";
import { IFlashLoanReceiver } from "./IFlashLoanReceiver.sol";
import { Exponential } from "../compound/Exponential.sol";
import { ICErc20 } from "../compound/CTokenInterfaces.sol";
import { IonicComptroller } from "../compound/ComptrollerInterface.sol";
contract CollateralSwap is Ownable2Step, Exponential, IFlashLoanReceiver {
using SafeERC20 for IERC20;
uint256 public feeBps;
address public feeRecipient;
IonicComptroller public comptroller;
mapping(address => bool) public allowedSwapTargets;
error SwapCollateralFailed();
error TransferFailed(address market, address user, address target);
error MintFailed(address market, uint256 errorCode);
error RedeemFailed(address market, uint256 errorCode);
error InvalidFlashloanCaller(address caller);
error InvalidSwapTarget(address target);
constructor(
uint256 _feeBps,
address _feeRecipient,
address _comptroller,
address[] memory _allowedSwapTargets
) Ownable2Step() {
feeBps = _feeBps;
feeRecipient = _feeRecipient;
comptroller = IonicComptroller(_comptroller);
for (uint256 i = 0; i < _allowedSwapTargets.length; i++) {
allowedSwapTargets[_allowedSwapTargets[i]] = true;
}
}
function setFeeBps(uint256 _feeBps) public onlyOwner {
feeBps = _feeBps;
}
function setFeeRecipient(address _feeRecipient) public onlyOwner {
feeRecipient = _feeRecipient;
}
function setAllowedSwapTarget(address _target, bool _allowed) public onlyOwner {
allowedSwapTargets[_target] = _allowed;
}
function sweep(address token) public onlyOwner {
IERC20(token).safeTransfer(owner(), IERC20(token).balanceOf(address(this)));
}
function swapCollateral(
uint256 amountUnderlying,
ICErc20 oldCollateralMarket,
ICErc20 newCollateralMarket,
address swapTarget,
bytes calldata swapData
) public {
oldCollateralMarket.flash(
amountUnderlying,
abi.encode(msg.sender, oldCollateralMarket, newCollateralMarket, swapTarget, swapData)
);
}
function receiveFlashLoan(address borrowedAsset, uint256 borrowedAmount, bytes calldata data) external {
{
ICErc20[] memory markets = comptroller.getAllMarkets();
bool isAllowed = false;
for (uint256 i = 0; i < markets.length; i++) {
if (msg.sender == address(markets[i])) {
isAllowed = true;
break;
}
}
if (!isAllowed) {
revert InvalidFlashloanCaller(msg.sender);
}
}
(
address borrower,
ICErc20 oldCollateralMarket,
ICErc20 newCollateralMarket,
address swapTarget,
bytes memory swapData
) = abi.decode(data, (address, ICErc20, ICErc20, address, bytes));
{
if (!allowedSwapTargets[swapTarget]) {
revert InvalidSwapTarget(swapTarget);
}
IERC20(borrowedAsset).approve(swapTarget, borrowedAmount);
(bool success, ) = swapTarget.call(swapData);
if (!success) {
revert SwapCollateralFailed();
}
}
{
IERC20 newCollateralAsset = IERC20(newCollateralMarket.underlying());
uint256 outputAmount = newCollateralAsset.balanceOf(address(this));
uint256 fee = (outputAmount * feeBps) / 10_000;
outputAmount -= fee;
if (fee > 0) {
newCollateralAsset.safeTransfer(feeRecipient, fee);
}
newCollateralAsset.approve(address(newCollateralMarket), outputAmount);
uint256 mintResult = newCollateralMarket.mint(outputAmount);
if (mintResult != 0) {
revert MintFailed(address(newCollateralMarket), mintResult);
}
}
{
uint256 cTokenBalance = IERC20(address(newCollateralMarket)).balanceOf(address(this));
IERC20(address(newCollateralMarket)).safeTransfer(borrower, cTokenBalance);
}
{
(MathError mErr, uint256 amountCTokensToSwap) = divScalarByExpTruncate(
borrowedAmount,
Exp({ mantissa: oldCollateralMarket.exchangeRateCurrent() })
);
require(mErr == MathError.NO_ERROR, "exchange rate error");
bool transferStatus = oldCollateralMarket.transferFrom(borrower, address(this), amountCTokensToSwap + 1);
if (!transferStatus) {
revert TransferFailed(address(oldCollateralMarket), borrower, address(this));
}
uint256 redeemResult = oldCollateralMarket.redeemUnderlying(type(uint256).max);
if (redeemResult != 0) {
revert RedeemFailed(address(oldCollateralMarket), redeemResult);
}
IERC20(borrowedAsset).approve(address(oldCollateralMarket), borrowedAmount);
}
}
}
文件 10 的 40：ComptrollerInterface.sol
pragma solidity >=0.8.0;
import { BasePriceOracle } from "../oracles/BasePriceOracle.sol";
import { ICErc20 } from "./CTokenInterfaces.sol";
import { DiamondExtension } from "../ionic/DiamondExtension.sol";
import { ComptrollerV4Storage } from "../compound/ComptrollerStorage.sol";
import { PrudentiaLib } from "../adrastia/PrudentiaLib.sol";
import { IHistoricalRates } from "adrastia-periphery/rates/IHistoricalRates.sol";
interface ComptrollerInterface {
function isDeprecated(ICErc20 cToken) external view returns (bool);
function _becomeImplementation() external;
function _deployMarket(
uint8 delegateType,
bytes memory constructorData,
bytes calldata becomeImplData,
uint256 collateralFactorMantissa
) external returns (uint256);
function getAssetsIn(address account) external view returns (ICErc20[] memory);
function checkMembership(address account, ICErc20 cToken) external view returns (bool);
function _setPriceOracle(BasePriceOracle newOracle) external returns (uint256);
function _setCloseFactor(uint256 newCloseFactorMantissa) external returns (uint256);
function _setCollateralFactor(ICErc20 market, uint256 newCollateralFactorMantissa) external returns (uint256);
function _setLiquidationIncentive(uint256 newLiquidationIncentiveMantissa) external returns (uint256);
function _setWhitelistEnforcement(bool enforce) external returns (uint256);
function _setWhitelistStatuses(address[] calldata _suppliers, bool[] calldata statuses) external returns (uint256);
function _addRewardsDistributor(address distributor) external returns (uint256);
function getHypotheticalAccountLiquidity(
address account,
address cTokenModify,
uint256 redeemTokens,
uint256 borrowAmount,
uint256 repayAmount
) external view returns (uint256, uint256, uint256, uint256);
function getMaxRedeemOrBorrow(address account, ICErc20 cToken, bool isBorrow) external view returns (uint256);
function enterMarkets(address[] calldata cTokens) external returns (uint256[] memory);
function exitMarket(address cToken) external returns (uint256);
function mintAllowed(address cToken, address minter, uint256 mintAmount) external returns (uint256);
function redeemAllowed(address cToken, address redeemer, uint256 redeemTokens) external returns (uint256);
function redeemVerify(address cToken, address redeemer, uint256 redeemAmount, uint256 redeemTokens) external;
function borrowAllowed(address cToken, address borrower, uint256 borrowAmount) external returns (uint256);
function borrowWithinLimits(address cToken, uint256 accountBorrowsNew) external view returns (uint256);
function repayBorrowAllowed(
address cToken,
address payer,
address borrower,
uint256 repayAmount
) external returns (uint256);
function liquidateBorrowAllowed(
address cTokenBorrowed,
address cTokenCollateral,
address liquidator,
address borrower,
uint256 repayAmount
) external returns (uint256);
function seizeAllowed(
address cTokenCollateral,
address cTokenBorrowed,
address liquidator,
address borrower,
uint256 seizeTokens
) external returns (uint256);
function transferAllowed(address cToken, address src, address dst, uint256 transferTokens) external returns (uint256);
function mintVerify(address cToken, address minter, uint256 actualMintAmount, uint256 mintTokens) external;
function getAccountLiquidity(
address account
) external view returns (uint256 error, uint256 collateralValue, uint256 liquidity, uint256 shortfall);
function liquidateCalculateSeizeTokens(
address cTokenBorrowed,
address cTokenCollateral,
uint256 repayAmount
) external view returns (uint256, uint256);
function _beforeNonReentrant() external;
function _afterNonReentrant() external;
function effectiveSupplyCaps(address cToken) external view returns (uint256 supplyCap);
function effectiveBorrowCaps(address cToken) external view returns (uint256 borrowCap);
}
interface ComptrollerStorageInterface {
function admin() external view returns (address);
function adminHasRights() external view returns (bool);
function ionicAdmin() external view returns (address);
function ionicAdminHasRights() external view returns (bool);
function pendingAdmin() external view returns (address);
function oracle() external view returns (BasePriceOracle);
function pauseGuardian() external view returns (address);
function closeFactorMantissa() external view returns (uint256);
function liquidationIncentiveMantissa() external view returns (uint256);
function isUserOfPool(address user) external view returns (bool);
function whitelist(address account) external view returns (bool);
function enforceWhitelist() external view returns (bool);
function borrowCapForCollateral(address borrowed, address collateral) external view returns (uint256);
function borrowingAgainstCollateralBlacklist(address borrowed, address collateral) external view returns (bool);
function suppliers(address account) external view returns (bool);
function cTokensByUnderlying(address) external view returns (address);
function supplyCaps(address cToken) external view returns (uint256);
function borrowCaps(address cToken) external view returns (uint256);
function markets(address cToken) external view returns (bool, uint256);
function accountAssets(address, uint256) external view returns (address);
function borrowGuardianPaused(address cToken) external view returns (bool);
function mintGuardianPaused(address cToken) external view returns (bool);
function rewardsDistributors(uint256) external view returns (address);
}
interface SFSRegister {
function register(address _recipient) external returns (uint256 tokenId);
}
interface ComptrollerExtensionInterface {
function getWhitelistedSuppliersSupply(address cToken) external view returns (uint256 supplied);
function getWhitelistedBorrowersBorrows(address cToken) external view returns (uint256 borrowed);
function getAllMarkets() external view returns (ICErc20[] memory);
function getAllBorrowers() external view returns (address[] memory);
function getAllBorrowersCount() external view returns (uint256);
function getPaginatedBorrowers(
uint256 page,
uint256 pageSize
) external view returns (uint256 _totalPages, address[] memory _pageOfBorrowers);
function getRewardsDistributors() external view returns (address[] memory);
function getAccruingFlywheels() external view returns (address[] memory);
function _supplyCapWhitelist(address cToken, address account, bool whitelisted) external;
function _setBorrowCapForCollateral(address cTokenBorrow, address cTokenCollateral, uint256 borrowCap) external;
function _setBorrowCapForCollateralWhitelist(
address cTokenBorrow,
address cTokenCollateral,
address account,
bool whitelisted
) external;
function isBorrowCapForCollateralWhitelisted(
address cTokenBorrow,
address cTokenCollateral,
address account
) external view returns (bool);
function _blacklistBorrowingAgainstCollateral(
address cTokenBorrow,
address cTokenCollateral,
bool blacklisted
) external;
function _blacklistBorrowingAgainstCollateralWhitelist(
address cTokenBorrow,
address cTokenCollateral,
address account,
bool whitelisted
) external;
function isBlacklistBorrowingAgainstCollateralWhitelisted(
address cTokenBorrow,
address cTokenCollateral,
address account
) external view returns (bool);
function isSupplyCapWhitelisted(address cToken, address account) external view returns (bool);
function _borrowCapWhitelist(address cToken, address account, bool whitelisted) external;
function isBorrowCapWhitelisted(address cToken, address account) external view returns (bool);
function _removeFlywheel(address flywheelAddress) external returns (bool);
function getWhitelist() external view returns (address[] memory);
function addNonAccruingFlywheel(address flywheelAddress) external returns (bool);
function _setMarketSupplyCaps(ICErc20[] calldata cTokens, uint256[] calldata newSupplyCaps) external;
function _setMarketBorrowCaps(ICErc20[] calldata cTokens, uint256[] calldata newBorrowCaps) external;
function _setBorrowCapGuardian(address newBorrowCapGuardian) external;
function _setPauseGuardian(address newPauseGuardian) external returns (uint256);
function _setMintPaused(ICErc20 cToken, bool state) external returns (bool);
function _setBorrowPaused(ICErc20 cToken, bool state) external returns (bool);
function _setTransferPaused(bool state) external returns (bool);
function _setSeizePaused(bool state) external returns (bool);
function _unsupportMarket(ICErc20 cToken) external returns (uint256);
function getAssetAsCollateralValueCap(
ICErc20 collateral,
ICErc20 cTokenModify,
bool redeeming,
address account
) external view returns (uint256);
function registerInSFS() external returns (uint256);
}
interface ComptrollerPrudentiaCapsExtInterface {
function getBorrowCapConfig() external view returns (PrudentiaLib.PrudentiaConfig memory);
function getSupplyCapConfig() external view returns (PrudentiaLib.PrudentiaConfig memory);
function _setSupplyCapConfig(PrudentiaLib.PrudentiaConfig calldata newConfig) external;
function _setBorrowCapConfig(PrudentiaLib.PrudentiaConfig calldata newConfig) external;
}
interface UnitrollerInterface {
function comptrollerImplementation() external view returns (address);
function _upgrade() external;
function _acceptAdmin() external returns (uint256);
function _setPendingAdmin(address newPendingAdmin) external returns (uint256);
function _toggleAdminRights(bool hasRights) external returns (uint256);
}
interface IComptrollerExtension is ComptrollerExtensionInterface, ComptrollerStorageInterface {}
interface IonicComptroller is
ComptrollerInterface,
ComptrollerExtensionInterface,
UnitrollerInterface,
ComptrollerStorageInterface
{
}
abstract contract ComptrollerBase is ComptrollerV4Storage {
bool public constant isComptroller = true;
function effectiveSupplyCaps(address cToken) public view virtual returns (uint256 supplyCap) {
PrudentiaLib.PrudentiaConfig memory capConfig = supplyCapConfig;
if (capConfig.controller != address(0)) {
address underlyingToken = ICErc20(cToken).underlying();
supplyCap = IHistoricalRates(capConfig.controller).getRateAt(underlyingToken, capConfig.offset).current;
int256 scaleByDecimals = 18;
(bool success, bytes memory data) = underlyingToken.staticcall(abi.encodeWithSignature("decimals()"));
if (success && data.length == 32) {
scaleByDecimals = int256(uint256(abi.decode(data, (uint8))));
}
scaleByDecimals += capConfig.decimalShift;
if (scaleByDecimals >= 0) {
supplyCap *= 10 ** uint256(scaleByDecimals);
} else {
supplyCap /= 10 ** uint256(-scaleByDecimals);
}
} else {
supplyCap = supplyCaps[cToken];
}
}
function effectiveBorrowCaps(address cToken) public view virtual returns (uint256 borrowCap) {
PrudentiaLib.PrudentiaConfig memory capConfig = borrowCapConfig;
if (capConfig.controller != address(0)) {
address underlyingToken = ICErc20(cToken).underlying();
borrowCap = IHistoricalRates(capConfig.controller).getRateAt(underlyingToken, capConfig.offset).current;
int256 scaleByDecimals = 18;
(bool success, bytes memory data) = underlyingToken.staticcall(abi.encodeWithSignature("decimals()"));
if (success && data.length == 32) {
scaleByDecimals = int256(uint256(abi.decode(data, (uint8))));
}
scaleByDecimals += capConfig.decimalShift;
if (scaleByDecimals >= 0) {
borrowCap *= 10 ** uint256(scaleByDecimals);
} else {
borrowCap /= 10 ** uint256(-scaleByDecimals);
}
} else {
borrowCap = borrowCaps[cToken];
}
}
}
文件 11 的 40：ComptrollerStorage.sol
pragma solidity >=0.8.0;
import "./IFeeDistributor.sol";
import "../oracles/BasePriceOracle.sol";
import { ICErc20 } from "./CTokenInterfaces.sol";
import { PrudentiaLib } from "../adrastia/PrudentiaLib.sol";
import "@openzeppelin/contracts/utils/structs/EnumerableSet.sol";
contract UnitrollerAdminStorage {
address payable public ionicAdmin;
address public admin;
address public pendingAdmin;
bool public ionicAdminHasRights = true;
bool public adminHasRights = true;
function hasAdminRights() internal view returns (bool) {
return (msg.sender == admin && adminHasRights) || (msg.sender == address(ionicAdmin) && ionicAdminHasRights);
}
}
contract ComptrollerV1Storage is UnitrollerAdminStorage {
BasePriceOracle public oracle;
uint256 public closeFactorMantissa;
uint256 public liquidationIncentiveMantissa;
uint256 internal maxAssets;
mapping(address => ICErc20[]) public accountAssets;
}
contract ComptrollerV2Storage is ComptrollerV1Storage {
struct Market {
bool isListed;
uint256 collateralFactorMantissa;
mapping(address => bool) accountMembership;
}
mapping(address => Market) public markets;
ICErc20[] public allMarkets;
mapping(address => bool) internal borrowers;
address[] public allBorrowers;
mapping(address => uint256) internal borrowerIndexes;
mapping(address => bool) public suppliers;
mapping(address => ICErc20) public cTokensByUnderlying;
bool public enforceWhitelist;
mapping(address => bool) public whitelist;
address[] public whitelistArray;
mapping(address => uint256) internal whitelistIndexes;
address public pauseGuardian;
bool public _mintGuardianPaused;
bool public _borrowGuardianPaused;
bool public transferGuardianPaused;
bool public seizeGuardianPaused;
mapping(address => bool) public mintGuardianPaused;
mapping(address => bool) public borrowGuardianPaused;
}
contract ComptrollerV3Storage is ComptrollerV2Storage {
address public borrowCapGuardian;
mapping(address => uint256) public borrowCaps;
mapping(address => uint256) public supplyCaps;
address[] public rewardsDistributors;
bool internal _notEntered;
bool internal _notEnteredInitialized;
address[] public nonAccruingRewardsDistributors;
mapping(address => mapping(address => uint256)) public borrowCapForCollateral;
mapping(address => mapping(address => bool)) public borrowingAgainstCollateralBlacklist;
mapping(address => mapping(address => EnumerableSet.AddressSet)) internal borrowCapForCollateralWhitelist;
mapping(address => mapping(address => EnumerableSet.AddressSet))
internal borrowingAgainstCollateralBlacklistWhitelist;
mapping(address => EnumerableSet.AddressSet) internal supplyCapWhitelist;
mapping(address => EnumerableSet.AddressSet) internal borrowCapWhitelist;
}
contract ComptrollerV4Storage is ComptrollerV3Storage {
PrudentiaLib.PrudentiaConfig internal borrowCapConfig;
PrudentiaLib.PrudentiaConfig internal supplyCapConfig;
}
文件 12 的 40：Context.sol
pragma solidity ^0.8.0;
abstract contract Context {
function _msgSender() internal view virtual returns (address) {
return msg.sender;
}
function _msgData() internal view virtual returns (bytes calldata) {
return msg.data;
}
}
文件 13 的 40：ContextUpgradeable.sol
pragma solidity ^0.8.0;
import "../proxy/utils/Initializable.sol";
abstract contract ContextUpgradeable is Initializable {
function __Context_init() internal onlyInitializing {
}
function __Context_init_unchained() internal onlyInitializing {
}
function _msgSender() internal view virtual returns (address) {
return msg.sender;
}
function _msgData() internal view virtual returns (bytes calldata) {
return msg.data;
}
uint256[50] private __gap;
}
文件 14 的 40：DiamondExtension.sol
pragma solidity >=0.8.0;
abstract contract DiamondExtension {
function _getExtensionFunctions() external pure virtual returns (bytes4[] memory);
}
error FunctionNotFound(bytes4 _functionSelector);
error ExtensionNotFound(bytes4 _functionSelector);
error FunctionAlreadyAdded(bytes4 _functionSelector, address _currentImpl);
abstract contract DiamondBase {
function _registerExtension(DiamondExtension extensionToAdd, DiamondExtension extensionToReplace) external virtual;
function _listExtensions() public view returns (address[] memory) {
return LibDiamond.listExtensions();
}
fallback() external {
address extension = LibDiamond.getExtensionForFunction(msg.sig);
if (extension == address(0)) revert FunctionNotFound(msg.sig);
assembly {
calldatacopy(0, 0, calldatasize())
let result := delegatecall(gas(), extension, 0, calldatasize(), 0, 0)
returndatacopy(0, 0, returndatasize())
switch result
case 0 {
revert(0, returndatasize())
}
default {
return(0, returndatasize())
}
}
}
}
library LibDiamond {
bytes32 constant DIAMOND_STORAGE_POSITION = keccak256("diamond.extensions.diamond.storage");
struct Function {
address extension;
bytes4 selector;
}
struct LogicStorage {
Function[] functions;
address[] extensions;
}
function getExtensionForFunction(bytes4 msgSig) internal view returns (address) {
return getExtensionForSelector(msgSig, diamondStorage());
}
function diamondStorage() internal pure returns (LogicStorage storage ds) {
bytes32 position = DIAMOND_STORAGE_POSITION;
assembly {
ds.slot := position
}
}
function listExtensions() internal view returns (address[] memory) {
return diamondStorage().extensions;
}
function registerExtension(DiamondExtension extensionToAdd, DiamondExtension extensionToReplace) internal {
if (address(extensionToReplace) != address(0)) {
removeExtension(extensionToReplace);
}
addExtension(extensionToAdd);
}
function removeExtension(DiamondExtension extension) internal {
LogicStorage storage ds = diamondStorage();
removeExtensionFunctions(extension);
for (uint8 i = 0; i < ds.extensions.length; i++) {
if (ds.extensions[i] == address(extension)) {
ds.extensions[i] = ds.extensions[ds.extensions.length - 1];
ds.extensions.pop();
}
}
}
function addExtension(DiamondExtension extension) internal {
LogicStorage storage ds = diamondStorage();
for (uint8 i = 0; i < ds.extensions.length; i++) {
require(ds.extensions[i] != address(extension), "extension already added");
}
addExtensionFunctions(extension);
ds.extensions.push(address(extension));
}
function removeExtensionFunctions(DiamondExtension extension) internal {
bytes4[] memory fnsToRemove = extension._getExtensionFunctions();
LogicStorage storage ds = diamondStorage();
for (uint16 i = 0; i < fnsToRemove.length; i++) {
bytes4 selectorToRemove = fnsToRemove[i];
assert(address(extension) == getExtensionForSelector(selectorToRemove, ds));
uint16 indexToKeep = getIndexForSelector(selectorToRemove, ds);
ds.functions[indexToKeep] = ds.functions[ds.functions.length - 1];
ds.functions.pop();
}
}
function addExtensionFunctions(DiamondExtension extension) internal {
bytes4[] memory fnsToAdd = extension._getExtensionFunctions();
LogicStorage storage ds = diamondStorage();
uint16 functionsCount = uint16(ds.functions.length);
for (uint256 functionsIndex = 0; functionsIndex < fnsToAdd.length; functionsIndex++) {
bytes4 selector = fnsToAdd[functionsIndex];
address oldImplementation = getExtensionForSelector(selector, ds);
if (oldImplementation != address(0)) revert FunctionAlreadyAdded(selector, oldImplementation);
ds.functions.push(Function(address(extension), selector));
functionsCount++;
}
}
function getExtensionForSelector(bytes4 selector, LogicStorage storage ds) internal view returns (address) {
uint256 fnsLen = ds.functions.length;
for (uint256 i = 0; i < fnsLen; i++) {
if (ds.functions[i].selector == selector) return ds.functions[i].extension;
}
return address(0);
}
function getIndexForSelector(bytes4 selector, LogicStorage storage ds) internal view returns (uint16) {
uint16 fnsLen = uint16(ds.functions.length);
for (uint16 i = 0; i < fnsLen; i++) {
if (ds.functions[i].selector == selector) return i;
}
return type(uint16).max;
}
}
文件 15 的 40：ERC1967Proxy.sol
pragma solidity ^0.8.0;
import "../Proxy.sol";
import "./ERC1967Upgrade.sol";
contract ERC1967Proxy is Proxy, ERC1967Upgrade {
constructor(address _logic, bytes memory _data) payable {
_upgradeToAndCall(_logic, _data, false);
}
function _implementation() internal view virtual override returns (address impl) {
return ERC1967Upgrade._getImplementation();
}
}
文件 16 的 40：ERC1967Upgrade.sol
pragma solidity ^0.8.2;
import "../beacon/IBeacon.sol";
import "../../interfaces/draft-IERC1822.sol";
import "../../utils/Address.sol";
import "../../utils/StorageSlot.sol";
abstract contract ERC1967Upgrade {
bytes32 private constant _ROLLBACK_SLOT = 0x4910fdfa16fed3260ed0e7147f7cc6da11a60208b5b9406d12a635614ffd9143;
bytes32 internal constant _IMPLEMENTATION_SLOT = 0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc;
event Upgraded(address indexed implementation);
function _getImplementation() internal view returns (address) {
return StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value;
}
function _setImplementation(address newImplementation) private {
require(Address.isContract(newImplementation), "ERC1967: new implementation is not a contract");
StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value = newImplementation;
}
function _upgradeTo(address newImplementation) internal {
_setImplementation(newImplementation);
emit Upgraded(newImplementation);
}
function _upgradeToAndCall(
address newImplementation,
bytes memory data,
bool forceCall
) internal {
_upgradeTo(newImplementation);
if (data.length > 0 || forceCall) {
Address.functionDelegateCall(newImplementation, data);
}
}
function _upgradeToAndCallUUPS(
address newImplementation,
bytes memory data,
bool forceCall
) internal {
if (StorageSlot.getBooleanSlot(_ROLLBACK_SLOT).value) {
_setImplementation(newImplementation);
} else {
try IERC1822Proxiable(newImplementation).proxiableUUID() returns (bytes32 slot) {
require(slot == _IMPLEMENTATION_SLOT, "ERC1967Upgrade: unsupported proxiableUUID");
} catch {
revert("ERC1967Upgrade: new implementation is not UUPS");
}
_upgradeToAndCall(newImplementation, data, forceCall);
}
}
bytes32 internal constant _ADMIN_SLOT = 0xb53127684a568b3173ae13b9f8a6016e243e63b6e8ee1178d6a717850b5d6103;
event AdminChanged(address previousAdmin, address newAdmin);
function _getAdmin() internal view returns (address) {
return StorageSlot.getAddressSlot(_ADMIN_SLOT).value;
}
function _setAdmin(address newAdmin) private {
require(newAdmin != address(0), "ERC1967: new admin is the zero address");
StorageSlot.getAddressSlot(_ADMIN_SLOT).value = newAdmin;
}
function _changeAdmin(address newAdmin) internal {
emit AdminChanged(_getAdmin(), newAdmin);
_setAdmin(newAdmin);
}
bytes32 internal constant _BEACON_SLOT = 0xa3f0ad74e5423aebfd80d3ef4346578335a9a72aeaee59ff6cb3582b35133d50;
event BeaconUpgraded(address indexed beacon);
function _getBeacon() internal view returns (address) {
return StorageSlot.getAddressSlot(_BEACON_SLOT).value;
}
function _setBeacon(address newBeacon) private {
require(Address.isContract(newBeacon), "ERC1967: new beacon is not a contract");
require(
Address.isContract(IBeacon(newBeacon).implementation()),
"ERC1967: beacon implementation is not a contract"
);
StorageSlot.getAddressSlot(_BEACON_SLOT).value = newBeacon;
}
function _upgradeBeaconToAndCall(
address newBeacon,
bytes memory data,
bool forceCall
) internal {
_setBeacon(newBeacon);
emit BeaconUpgraded(newBeacon);
if (data.length > 0 || forceCall) {
Address.functionDelegateCall(IBeacon(newBeacon).implementation(), data);
}
}
}
文件 17 的 40：EnumerableSet.sol
pragma solidity ^0.8.0;
library EnumerableSet {
struct Set {
bytes32[] _values;
mapping(bytes32 => uint256) _indexes;
}
function _add(Set storage set, bytes32 value) private returns (bool) {
if (!_contains(set, value)) {
set._values.push(value);
set._indexes[value] = set._values.length;
return true;
} else {
return false;
}
}
function _remove(Set storage set, bytes32 value) private returns (bool) {
uint256 valueIndex = set._indexes[value];
if (valueIndex != 0) {
uint256 toDeleteIndex = valueIndex - 1;
uint256 lastIndex = set._values.length - 1;
if (lastIndex != toDeleteIndex) {
bytes32 lastValue = set._values[lastIndex];
set._values[toDeleteIndex] = lastValue;
set._indexes[lastValue] = valueIndex;
}
set._values.pop();
delete set._indexes[value];
return true;
} else {
return false;
}
}
function _contains(Set storage set, bytes32 value) private view returns (bool) {
return set._indexes[value] != 0;
}
function _length(Set storage set) private view returns (uint256) {
return set._values.length;
}
function _at(Set storage set, uint256 index) private view returns (bytes32) {
return set._values[index];
}
function _values(Set storage set) private view returns (bytes32[] memory) {
return set._values;
}
struct Bytes32Set {
Set _inner;
}
function add(Bytes32Set storage set, bytes32 value) internal returns (bool) {
return _add(set._inner, value);
}
function remove(Bytes32Set storage set, bytes32 value) internal returns (bool) {
return _remove(set._inner, value);
}
function contains(Bytes32Set storage set, bytes32 value) internal view returns (bool) {
return _contains(set._inner, value);
}
function length(Bytes32Set storage set) internal view returns (uint256) {
return _length(set._inner);
}
function at(Bytes32Set storage set, uint256 index) internal view returns (bytes32) {
return _at(set._inner, index);
}
function values(Bytes32Set storage set) internal view returns (bytes32[] memory) {
bytes32[] memory store = _values(set._inner);
bytes32[] memory result;
assembly {
result := store
}
return result;
}
struct AddressSet {
Set _inner;
}
function add(AddressSet storage set, address value) internal returns (bool) {
return _add(set._inner, bytes32(uint256(uint160(value))));
}
function remove(AddressSet storage set, address value) internal returns (bool) {
return _remove(set._inner, bytes32(uint256(uint160(value))));
}
function contains(AddressSet storage set, address value) internal view returns (bool) {
return _contains(set._inner, bytes32(uint256(uint160(value))));
}
function length(AddressSet storage set) internal view returns (uint256) {
return _length(set._inner);
}
function at(AddressSet storage set, uint256 index) internal view returns (address) {
return address(uint160(uint256(_at(set._inner, index))));
}
function values(AddressSet storage set) internal view returns (address[] memory) {
bytes32[] memory store = _values(set._inner);
address[] memory result;
assembly {
result := store
}
return result;
}
struct UintSet {
Set _inner;
}
function add(UintSet storage set, uint256 value) internal returns (bool) {
return _add(set._inner, bytes32(value));
}
function remove(UintSet storage set, uint256 value) internal returns (bool) {
return _remove(set._inner, bytes32(value));
}
function contains(UintSet storage set, uint256 value) internal view returns (bool) {
return _contains(set._inner, bytes32(value));
}
function length(UintSet storage set) internal view returns (uint256) {
return _length(set._inner);
}
function at(UintSet storage set, uint256 index) internal view returns (uint256) {
return uint256(_at(set._inner, index));
}
function values(UintSet storage set) internal view returns (uint256[] memory) {
bytes32[] memory store = _values(set._inner);
uint256[] memory result;
assembly {
result := store
}
return result;
}
}
文件 18 的 40：Exponential.sol
pragma solidity >=0.8.0;
import "./CarefulMath.sol";
import "./ExponentialNoError.sol";
contract Exponential is CarefulMath, ExponentialNoError {
function getExp(uint256 num, uint256 denom) internal pure returns (MathError, Exp memory) {
(MathError err0, uint256 scaledNumerator) = mulUInt(num, expScale);
if (err0 != MathError.NO_ERROR) {
return (err0, Exp({ mantissa: 0 }));
}
(MathError err1, uint256 rational) = divUInt(scaledNumerator, denom);
if (err1 != MathError.NO_ERROR) {
return (err1, Exp({ mantissa: 0 }));
}
return (MathError.NO_ERROR, Exp({ mantissa: rational }));
}
function addExp(Exp memory a, Exp memory b) internal pure returns (MathError, Exp memory) {
(MathError error, uint256 result) = addUInt(a.mantissa, b.mantissa);
return (error, Exp({ mantissa: result }));
}
function subExp(Exp memory a, Exp memory b) internal pure returns (MathError, Exp memory) {
(MathError error, uint256 result) = subUInt(a.mantissa, b.mantissa);
return (error, Exp({ mantissa: result }));
}
function mulScalar(Exp memory a, uint256 scalar) internal pure returns (MathError, Exp memory) {
(MathError err0, uint256 scaledMantissa) = mulUInt(a.mantissa, scalar);
if (err0 != MathError.NO_ERROR) {
return (err0, Exp({ mantissa: 0 }));
}
return (MathError.NO_ERROR, Exp({ mantissa: scaledMantissa }));
}
function mulScalarTruncate(Exp memory a, uint256 scalar) internal pure returns (MathError, uint256) {
(MathError err, Exp memory product) = mulScalar(a, scalar);
if (err != MathError.NO_ERROR) {
return (err, 0);
}
return (MathError.NO_ERROR, truncate(product));
}
function divScalar(Exp memory a, uint256 scalar) internal pure returns (MathError, Exp memory) {
(MathError err0, uint256 descaledMantissa) = divUInt(a.mantissa, scalar);
if (err0 != MathError.NO_ERROR) {
return (err0, Exp({ mantissa: 0 }));
}
return (MathError.NO_ERROR, Exp({ mantissa: descaledMantissa }));
}
function divScalarByExp(uint256 scalar, Exp memory divisor) internal pure returns (MathError, Exp memory) {
(MathError err0, uint256 numerator) = mulUInt(expScale, scalar);
if (err0 != MathError.NO_ERROR) {
return (err0, Exp({ mantissa: 0 }));
}
return getExp(numerator, divisor.mantissa);
}
function divScalarByExpTruncate(uint256 scalar, Exp memory divisor) internal pure returns (MathError, uint256) {
(MathError err, Exp memory fraction) = divScalarByExp(scalar, divisor);
if (err != MathError.NO_ERROR) {
return (err, 0);
}
return (MathError.NO_ERROR, truncate(fraction));
}
function mulExp(Exp memory a, Exp memory b) internal pure returns (MathError, Exp memory) {
(MathError err0, uint256 doubleScaledProduct) = mulUInt(a.mantissa, b.mantissa);
if (err0 != MathError.NO_ERROR) {
return (err0, Exp({ mantissa: 0 }));
}
(MathError err1, uint256 doubleScaledProductWithHalfScale) = addUInt(halfExpScale, doubleScaledProduct);
if (err1 != MathError.NO_ERROR) {
return (err1, Exp({ mantissa: 0 }));
}
(MathError err2, uint256 product) = divUInt(doubleScaledProductWithHalfScale, expScale);
assert(err2 == MathError.NO_ERROR);
return (MathError.NO_ERROR, Exp({ mantissa: product }));
}
function mulExp(uint256 a, uint256 b) internal pure returns (MathError, Exp memory) {
return mulExp(Exp({ mantissa: a }), Exp({ mantissa: b }));
}
function mulExp3(
Exp memory a,
Exp memory b,
Exp memory c
) internal pure returns (MathError, Exp memory) {
(MathError err, Exp memory ab) = mulExp(a, b);
if (err != MathError.NO_ERROR) {
return (err, ab);
}
return mulExp(ab, c);
}
function divExp(Exp memory a, Exp memory b) internal pure returns (MathError, Exp memory) {
return getExp(a.mantissa, b.mantissa);
}
}
文件 19 的 40：ExponentialNoError.sol
pragma solidity >=0.8.0;
contract ExponentialNoError {
uint256 constant expScale = 1e18;
uint256 constant doubleScale = 1e36;
uint256 constant halfExpScale = expScale / 2;
uint256 constant mantissaOne = expScale;
struct Exp {
uint256 mantissa;
}
struct Double {
uint256 mantissa;
}
function truncate(Exp memory exp) internal pure returns (uint256) {
return exp.mantissa / expScale;
}
function mul_ScalarTruncate(Exp memory a, uint256 scalar) internal pure returns (uint256) {
Exp memory product = mul_(a, scalar);
return truncate(product);
}
function mul_ScalarTruncateAddUInt(
Exp memory a,
uint256 scalar,
uint256 addend
) internal pure returns (uint256) {
Exp memory product = mul_(a, scalar);
return add_(truncate(product), addend);
}
function lessThanExp(Exp memory left, Exp memory right) internal pure returns (bool) {
return left.mantissa < right.mantissa;
}
function lessThanOrEqualExp(Exp memory left, Exp memory right) internal pure returns (bool) {
return left.mantissa <= right.mantissa;
}
function greaterThanExp(Exp memory left, Exp memory right) internal pure returns (bool) {
return left.mantissa > right.mantissa;
}
function isZeroExp(Exp memory value) internal pure returns (bool) {
return value.mantissa == 0;
}
function safe224(uint256 n, string memory errorMessage) internal pure returns (uint224) {
require(n < 2**224, errorMessage);
return uint224(n);
}
function safe32(uint256 n, string memory errorMessage) internal pure returns (uint32) {
require(n < 2**32, errorMessage);
return uint32(n);
}
function add_(Exp memory a, Exp memory b) internal pure returns (Exp memory) {
return Exp({ mantissa: add_(a.mantissa, b.mantissa) });
}
function add_(Double memory a, Double memory b) internal pure returns (Double memory) {
return Double({ mantissa: add_(a.mantissa, b.mantissa) });
}
function add_(uint256 a, uint256 b) internal pure returns (uint256) {
return add_(a, b, "addition overflow");
}
function add_(
uint256 a,
uint256 b,
string memory errorMessage
) internal pure returns (uint256) {
uint256 c = a + b;
require(c >= a, errorMessage);
return c;
}
function sub_(Exp memory a, Exp memory b) internal pure returns (Exp memory) {
return Exp({ mantissa: sub_(a.mantissa, b.mantissa) });
}
function sub_(Double memory a, Double memory b) internal pure returns (Double memory) {
return Double({ mantissa: sub_(a.mantissa, b.mantissa) });
}
function sub_(uint256 a, uint256 b) internal pure returns (uint256) {
return sub_(a, b, "subtraction underflow");
}
function sub_(
uint256 a,
uint256 b,
string memory errorMessage
) internal pure returns (uint256) {
require(b <= a, errorMessage);
return a - b;
}
function mul_(Exp memory a, Exp memory b) internal pure returns (Exp memory) {
return Exp({ mantissa: mul_(a.mantissa, b.mantissa) / expScale });
}
function mul_(Exp memory a, uint256 b) internal pure returns (Exp memory) {
return Exp({ mantissa: mul_(a.mantissa, b) });
}
function mul_(uint256 a, Exp memory b) internal pure returns (uint256) {
return mul_(a, b.mantissa) / expScale;
}
function mul_(Double memory a, Double memory b) internal pure returns (Double memory) {
return Double({ mantissa: mul_(a.mantissa, b.mantissa) / doubleScale });
}
function mul_(Double memory a, uint256 b) internal pure returns (Double memory) {
return Double({ mantissa: mul_(a.mantissa, b) });
}
function mul_(uint256 a, Double memory b) internal pure returns (uint256) {
return mul_(a, b.mantissa) / doubleScale;
}
function mul_(uint256 a, uint256 b) internal pure returns (uint256) {
return mul_(a, b, "multiplication overflow");
}
function mul_(
uint256 a,
uint256 b,
string memory errorMessage
) internal pure returns (uint256) {
if (a == 0 || b == 0) {
return 0;
}
uint256 c = a * b;
require(c / a == b, errorMessage);
return c;
}
function div_(Exp memory a, Exp memory b) internal pure returns (Exp memory) {
return Exp({ mantissa: div_(mul_(a.mantissa, expScale), b.mantissa) });
}
function div_(Exp memory a, uint256 b) internal pure returns (Exp memory) {
return Exp({ mantissa: div_(a.mantissa, b) });
}
function div_(uint256 a, Exp memory b) internal pure returns (uint256) {
return div_(mul_(a, expScale), b.mantissa);
}
function div_(Double memory a, Double memory b) internal pure returns (Double memory) {
return Double({ mantissa: div_(mul_(a.mantissa, doubleScale), b.mantissa) });
}
function div_(Double memory a, uint256 b) internal pure returns (Double memory) {
return Double({ mantissa: div_(a.mantissa, b) });
}
function div_(uint256 a, Double memory b) internal pure returns (uint256) {
return div_(mul_(a, doubleScale), b.mantissa);
}
function div_(uint256 a, uint256 b) internal pure returns (uint256) {
return div_(a, b, "divide by zero");
}
function div_(
uint256 a,
uint256 b,
string memory errorMessage
) internal pure returns (uint256) {
require(b > 0, errorMessage);
return a / b;
}
function fraction(uint256 a, uint256 b) internal pure returns (Double memory) {
return Double({ mantissa: div_(mul_(a, doubleScale), b) });
}
}
文件 20 的 40：IBeacon.sol
pragma solidity ^0.8.0;
interface IBeacon {
function implementation() external view returns (address);
}
文件 21 的 40：IERC20.sol
pragma solidity ^0.8.0;
interface IERC20 {
event Transfer(address indexed from, address indexed to, uint256 value);
event Approval(address indexed owner, address indexed spender, uint256 value);
function totalSupply() external view returns (uint256);
function balanceOf(address account) external view returns (uint256);
function transfer(address to, uint256 amount) external returns (bool);
function allowance(address owner, address spender) external view returns (uint256);
function approve(address spender, uint256 amount) external returns (bool);
function transferFrom(
address from,
address to,
uint256 amount
) external returns (bool);
}
文件 22 的 40：IFeeDistributor.sol
pragma solidity >=0.8.0;
import "../ionic/AuthoritiesRegistry.sol";
interface IFeeDistributor {
function minBorrowEth() external view returns (uint256);
function maxUtilizationRate() external view returns (uint256);
function interestFeeRate() external view returns (uint256);
function latestComptrollerImplementation(address oldImplementation) external view returns (address);
function latestCErc20Delegate(uint8 delegateType)
external
view
returns (address cErc20Delegate, bytes memory becomeImplementationData);
function latestPluginImplementation(address oldImplementation) external view returns (address);
function getComptrollerExtensions(address comptroller) external view returns (address[] memory);
function getCErc20DelegateExtensions(address cErc20Delegate) external view returns (address[] memory);
function deployCErc20(
uint8 delegateType,
bytes calldata constructorData,
bytes calldata becomeImplData
) external returns (address);
function canCall(
address pool,
address user,
address target,
bytes4 functionSig
) external view returns (bool);
function authoritiesRegistry() external view returns (AuthoritiesRegistry);
fallback() external payable;
receive() external payable;
}
文件 23 的 40：IFlashLoanReceiver.sol
pragma solidity >=0.8.0;
interface IFlashLoanReceiver {
function receiveFlashLoan(
address borrowedAsset,
uint256 borrowedAmount,
bytes calldata data
) external;
}
文件 24 的 40：IHistoricalRates.sol
pragma solidity >=0.5.0 <0.9.0;
import "./RateLibrary.sol";
interface IHistoricalRates {
function getRateAt(address token, uint256 index) external view returns (RateLibrary.Rate memory);
function getRates(address token, uint256 amount) external view returns (RateLibrary.Rate[] memory);
function getRates(
address token,
uint256 amount,
uint256 offset,
uint256 increment
) external view returns (RateLibrary.Rate[] memory);
function getRatesCount(address token) external view returns (uint256);
function getRatesCapacity(address token) external view returns (uint256);
function setRatesCapacity(address token, uint256 amount) external;
}
文件 25 的 40：Initializable.sol
pragma solidity ^0.8.2;
import "../../utils/AddressUpgradeable.sol";
abstract contract Initializable {
uint8 private _initialized;
bool private _initializing;
event Initialized(uint8 version);
modifier initializer() {
bool isTopLevelCall = !_initializing;
require(
(isTopLevelCall && _initialized < 1) || (!AddressUpgradeable.isContract(address(this)) && _initialized == 1),
"Initializable: contract is already initialized"
);
_initialized = 1;
if (isTopLevelCall) {
_initializing = true;
}
_;
if (isTopLevelCall) {
_initializing = false;
emit Initialized(1);
}
}
modifier reinitializer(uint8 version) {
require(!_initializing && _initialized < version, "Initializable: contract is already initialized");
_initialized = version;
_initializing = true;
_;
_initializing = false;
emit Initialized(version);
}
modifier onlyInitializing() {
require(_initializing, "Initializable: contract is not initializing");
_;
}
function _disableInitializers() internal virtual {
require(!_initializing, "Initializable: contract is initializing");
if (_initialized < type(uint8).max) {
_initialized = type(uint8).max;
emit Initialized(type(uint8).max);
}
}
function _getInitializedVersion() internal view returns (uint8) {
return _initialized;
}
function _isInitializing() internal view returns (bool) {
return _initializing;
}
}
文件 26 的 40：InterestRateModel.sol
pragma solidity >=0.8.0;
abstract contract InterestRateModel {
bool public constant isInterestRateModel = true;
function getBorrowRate(
uint256 cash,
uint256 borrows,
uint256 reserves
) public view virtual returns (uint256);
function getSupplyRate(
uint256 cash,
uint256 borrows,
uint256 reserves,
uint256 reserveFactorMantissa
) public view virtual returns (uint256);
}
文件 27 的 40：Ownable.sol
pragma solidity ^0.8.0;
import "../utils/Context.sol";
abstract contract Ownable is Context {
address private _owner;
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
constructor() {
_transferOwnership(_msgSender());
}
modifier onlyOwner() {
_checkOwner();
_;
}
function owner() public view virtual returns (address) {
return _owner;
}
function _checkOwner() internal view virtual {
require(owner() == _msgSender(), "Ownable: caller is not the owner");
}
function renounceOwnership() public virtual onlyOwner {
_transferOwnership(address(0));
}
function transferOwnership(address newOwner) public virtual onlyOwner {
require(newOwner != address(0), "Ownable: new owner is the zero address");
_transferOwnership(newOwner);
}
function _transferOwnership(address newOwner) internal virtual {
address oldOwner = _owner;
_owner = newOwner;
emit OwnershipTransferred(oldOwner, newOwner);
}
}
文件 28 的 40：Ownable2Step.sol
pragma solidity ^0.8.0;
import "./Ownable.sol";
abstract contract Ownable2Step is Ownable {
address private _pendingOwner;
event OwnershipTransferStarted(address indexed previousOwner, address indexed newOwner);
function pendingOwner() public view virtual returns (address) {
return _pendingOwner;
}
function transferOwnership(address newOwner) public virtual override onlyOwner {
_pendingOwner = newOwner;
emit OwnershipTransferStarted(owner(), newOwner);
}
function _transferOwnership(address newOwner) internal virtual override {
delete _pendingOwner;
super._transferOwnership(newOwner);
}
function acceptOwnership() external {
address sender = _msgSender();
require(pendingOwner() == sender, "Ownable2Step: caller is not the new owner");
_transferOwnership(sender);
}
}
文件 29 的 40：OwnableUpgradeable.sol
pragma solidity ^0.8.0;
import "../utils/ContextUpgradeable.sol";
import "../proxy/utils/Initializable.sol";
abstract contract OwnableUpgradeable is Initializable, ContextUpgradeable {
address private _owner;
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
function __Ownable_init() internal onlyInitializing {
__Ownable_init_unchained();
}
function __Ownable_init_unchained() internal onlyInitializing {
_transferOwnership(_msgSender());
}
modifier onlyOwner() {
_checkOwner();
_;
}
function owner() public view virtual returns (address) {
return _owner;
}
function _checkOwner() internal view virtual {
require(owner() == _msgSender(), "Ownable: caller is not the owner");
}
function renounceOwnership() public virtual onlyOwner {
_transferOwnership(address(0));
}
function transferOwnership(address newOwner) public virtual onlyOwner {
require(newOwner != address(0), "Ownable: new owner is the zero address");
_transferOwnership(newOwner);
}
function _transferOwnership(address newOwner) internal virtual {
address oldOwner = _owner;
_owner = newOwner;
emit OwnershipTransferred(oldOwner, newOwner);
}
uint256[49] private __gap;
}
文件 30 的 40：PoolRolesAuthority.sol
pragma solidity >=0.8.0;
import { IonicComptroller, ComptrollerInterface } from "../compound/ComptrollerInterface.sol";
import { ICErc20, CTokenSecondExtensionInterface, CTokenFirstExtensionInterface } from "../compound/CTokenInterfaces.sol";
import { RolesAuthority, Authority } from "solmate/auth/authorities/RolesAuthority.sol";
import "openzeppelin-contracts-upgradeable/contracts/proxy/utils/Initializable.sol";
contract PoolRolesAuthority is RolesAuthority, Initializable {
constructor() RolesAuthority(address(0), Authority(address(0))) {
_disableInitializers();
}
function initialize(address _owner) public initializer {
owner = _owner;
authority = this;
}
uint8 public constant REGISTRY_ROLE = 0;
uint8 public constant SUPPLIER_ROLE = 1;
uint8 public constant BORROWER_ROLE = 2;
uint8 public constant LIQUIDATOR_ROLE = 3;
uint8 public constant LEVERED_POSITION_ROLE = 4;
function configureRegistryCapabilities() external requiresAuth {
setRoleCapability(REGISTRY_ROLE, address(this), PoolRolesAuthority.configureRegistryCapabilities.selector, true);
setRoleCapability(
REGISTRY_ROLE,
address(this),
PoolRolesAuthority.configurePoolSupplierCapabilities.selector,
true
);
setRoleCapability(
REGISTRY_ROLE,
address(this),
PoolRolesAuthority.configurePoolBorrowerCapabilities.selector,
true
);
setRoleCapability(
REGISTRY_ROLE,
address(this),
PoolRolesAuthority.configureClosedPoolLiquidatorCapabilities.selector,
true
);
setRoleCapability(
REGISTRY_ROLE,
address(this),
PoolRolesAuthority.configureOpenPoolLiquidatorCapabilities.selector,
true
);
setRoleCapability(
REGISTRY_ROLE,
address(this),
PoolRolesAuthority.configureLeveredPositionCapabilities.selector,
true
);
setRoleCapability(REGISTRY_ROLE, address(this), RolesAuthority.setUserRole.selector, true);
}
function openPoolSupplierCapabilities(IonicComptroller pool) external requiresAuth {
_setPublicPoolSupplierCapabilities(pool, true);
}
function closePoolSupplierCapabilities(IonicComptroller pool) external requiresAuth {
_setPublicPoolSupplierCapabilities(pool, false);
}
function _setPublicPoolSupplierCapabilities(IonicComptroller pool, bool setPublic) internal {
setPublicCapability(address(pool), pool.enterMarkets.selector, setPublic);
setPublicCapability(address(pool), pool.exitMarket.selector, setPublic);
ICErc20[] memory allMarkets = pool.getAllMarkets();
for (uint256 i = 0; i < allMarkets.length; i++) {
bytes4[] memory selectors = getSupplierMarketSelectors();
for (uint256 j = 0; j < selectors.length; j++) {
setPublicCapability(address(allMarkets[i]), selectors[j], setPublic);
}
}
}
function configurePoolSupplierCapabilities(IonicComptroller pool) external requiresAuth {
_configurePoolSupplierCapabilities(pool, SUPPLIER_ROLE);
}
function getSupplierMarketSelectors() internal pure returns (bytes4[] memory selectors) {
uint8 fnsCount = 6;
selectors = new bytes4[](fnsCount);
selectors[--fnsCount] = CTokenSecondExtensionInterface.mint.selector;
selectors[--fnsCount] = CTokenSecondExtensionInterface.redeem.selector;
selectors[--fnsCount] = CTokenSecondExtensionInterface.redeemUnderlying.selector;
selectors[--fnsCount] = CTokenFirstExtensionInterface.transfer.selector;
selectors[--fnsCount] = CTokenFirstExtensionInterface.transferFrom.selector;
selectors[--fnsCount] = CTokenFirstExtensionInterface.approve.selector;
require(fnsCount == 0, "use the correct array length");
return selectors;
}
function _configurePoolSupplierCapabilities(IonicComptroller pool, uint8 role) internal {
setRoleCapability(role, address(pool), pool.enterMarkets.selector, true);
setRoleCapability(role, address(pool), pool.exitMarket.selector, true);
ICErc20[] memory allMarkets = pool.getAllMarkets();
for (uint256 i = 0; i < allMarkets.length; i++) {
bytes4[] memory selectors = getSupplierMarketSelectors();
for (uint256 j = 0; j < selectors.length; j++) {
setRoleCapability(role, address(allMarkets[i]), selectors[j], true);
}
}
}
function openPoolBorrowerCapabilities(IonicComptroller pool) external requiresAuth {
_setPublicPoolBorrowerCapabilities(pool, true);
}
function closePoolBorrowerCapabilities(IonicComptroller pool) external requiresAuth {
_setPublicPoolBorrowerCapabilities(pool, false);
}
function _setPublicPoolBorrowerCapabilities(IonicComptroller pool, bool setPublic) internal {
ICErc20[] memory allMarkets = pool.getAllMarkets();
for (uint256 i = 0; i < allMarkets.length; i++) {
setPublicCapability(address(allMarkets[i]), allMarkets[i].borrow.selector, setPublic);
setPublicCapability(address(allMarkets[i]), allMarkets[i].repayBorrow.selector, setPublic);
setPublicCapability(address(allMarkets[i]), allMarkets[i].repayBorrowBehalf.selector, setPublic);
setPublicCapability(address(allMarkets[i]), allMarkets[i].flash.selector, setPublic);
}
}
function configurePoolBorrowerCapabilities(IonicComptroller pool) external requiresAuth {
_configurePoolSupplierCapabilities(pool, BORROWER_ROLE);
ICErc20[] memory allMarkets = pool.getAllMarkets();
for (uint256 i = 0; i < allMarkets.length; i++) {
setRoleCapability(BORROWER_ROLE, address(allMarkets[i]), allMarkets[i].borrow.selector, true);
setRoleCapability(BORROWER_ROLE, address(allMarkets[i]), allMarkets[i].repayBorrow.selector, true);
setRoleCapability(BORROWER_ROLE, address(allMarkets[i]), allMarkets[i].repayBorrowBehalf.selector, true);
setRoleCapability(BORROWER_ROLE, address(allMarkets[i]), allMarkets[i].flash.selector, true);
}
}
function configureClosedPoolLiquidatorCapabilities(IonicComptroller pool) external requiresAuth {
ICErc20[] memory allMarkets = pool.getAllMarkets();
for (uint256 i = 0; i < allMarkets.length; i++) {
setPublicCapability(address(allMarkets[i]), allMarkets[i].liquidateBorrow.selector, false);
setRoleCapability(LIQUIDATOR_ROLE, address(allMarkets[i]), allMarkets[i].liquidateBorrow.selector, true);
setRoleCapability(LIQUIDATOR_ROLE, address(allMarkets[i]), allMarkets[i].redeem.selector, true);
}
}
function configureOpenPoolLiquidatorCapabilities(IonicComptroller pool) external requiresAuth {
ICErc20[] memory allMarkets = pool.getAllMarkets();
for (uint256 i = 0; i < allMarkets.length; i++) {
setPublicCapability(address(allMarkets[i]), allMarkets[i].liquidateBorrow.selector, true);
setPublicCapability(address(allMarkets[i]), allMarkets[i].redeem.selector, true);
}
}
function configureLeveredPositionCapabilities(IonicComptroller pool) external requiresAuth {
setRoleCapability(LEVERED_POSITION_ROLE, address(pool), pool.enterMarkets.selector, true);
setRoleCapability(LEVERED_POSITION_ROLE, address(pool), pool.exitMarket.selector, true);
ICErc20[] memory allMarkets = pool.getAllMarkets();
for (uint256 i = 0; i < allMarkets.length; i++) {
setRoleCapability(LEVERED_POSITION_ROLE, address(allMarkets[i]), allMarkets[i].mint.selector, true);
setRoleCapability(LEVERED_POSITION_ROLE, address(allMarkets[i]), allMarkets[i].redeem.selector, true);
setRoleCapability(LEVERED_POSITION_ROLE, address(allMarkets[i]), allMarkets[i].redeemUnderlying.selector, true);
setRoleCapability(LEVERED_POSITION_ROLE, address(allMarkets[i]), allMarkets[i].borrow.selector, true);
setRoleCapability(LEVERED_POSITION_ROLE, address(allMarkets[i]), allMarkets[i].repayBorrow.selector, true);
setRoleCapability(LEVERED_POSITION_ROLE, address(allMarkets[i]), allMarkets[i].flash.selector, true);
}
}
}
文件 31 的 40：Proxy.sol
pragma solidity ^0.8.0;
abstract contract Proxy {
function _delegate(address implementation) internal virtual {
assembly {
calldatacopy(0, 0, calldatasize())
let result := delegatecall(gas(), implementation, 0, calldatasize(), 0, 0)
returndatacopy(0, 0, returndatasize())
switch result
case 0 {
revert(0, returndatasize())
}
default {
return(0, returndatasize())
}
}
}
function _implementation() internal view virtual returns (address);
function _fallback() internal virtual {
_beforeFallback();
_delegate(_implementation());
}
fallback() external payable virtual {
_fallback();
}
receive() external payable virtual {
_fallback();
}
function _beforeFallback() internal virtual {}
}
文件 32 的 40：PrudentiaLib.sol
pragma solidity >=0.8.0;
library PrudentiaLib {
struct PrudentiaConfig {
address controller;
uint8 offset;
int8 decimalShift;
}
}
文件 33 的 40：RateLibrary.sol
pragma solidity >=0.5.0 <0.9.0;
pragma experimental ABIEncoderV2;
library RateLibrary {
struct Rate {
uint64 target;
uint64 current;
uint32 timestamp;
}
}
文件 34 的 40：RolesAuthority.sol
pragma solidity >=0.8.0;
import {Auth, Authority} from "../Auth.sol";
contract RolesAuthority is Auth, Authority {
event UserRoleUpdated(address indexed user, uint8 indexed role, bool enabled);
event PublicCapabilityUpdated(address indexed target, bytes4 indexed functionSig, bool enabled);
event RoleCapabilityUpdated(uint8 indexed role, address indexed target, bytes4 indexed functionSig, bool enabled);
constructor(address _owner, Authority _authority) Auth(_owner, _authority) {}
mapping(address => bytes32) public getUserRoles;
mapping(address => mapping(bytes4 => bool)) public isCapabilityPublic;
mapping(address => mapping(bytes4 => bytes32)) public getRolesWithCapability;
function doesUserHaveRole(address user, uint8 role) public view virtual returns (bool) {
return (uint256(getUserRoles[user]) >> role) & 1 != 0;
}
function doesRoleHaveCapability(
uint8 role,
address target,
bytes4 functionSig
) public view virtual returns (bool) {
return (uint256(getRolesWithCapability[target][functionSig]) >> role) & 1 != 0;
}
function canCall(
address user,
address target,
bytes4 functionSig
) public view virtual override returns (bool) {
return
isCapabilityPublic[target][functionSig] ||
bytes32(0) != getUserRoles[user] & getRolesWithCapability[target][functionSig];
}
function setPublicCapability(
address target,
bytes4 functionSig,
bool enabled
) public virtual requiresAuth {
isCapabilityPublic[target][functionSig] = enabled;
emit PublicCapabilityUpdated(target, functionSig, enabled);
}
function setRoleCapability(
uint8 role,
address target,
bytes4 functionSig,
bool enabled
) public virtual requiresAuth {
if (enabled) {
getRolesWithCapability[target][functionSig] |= bytes32(1 << role);
} else {
getRolesWithCapability[target][functionSig] &= ~bytes32(1 << role);
}
emit RoleCapabilityUpdated(role, target, functionSig, enabled);
}
function setUserRole(
address user,
uint8 role,
bool enabled
) public virtual requiresAuth {
if (enabled) {
getUserRoles[user] |= bytes32(1 << role);
} else {
getUserRoles[user] &= ~bytes32(1 << role);
}
emit UserRoleUpdated(user, role, enabled);
}
}
文件 35 的 40：SafeERC20.sol
pragma solidity ^0.8.0;
import "../IERC20.sol";
import "../extensions/draft-IERC20Permit.sol";
import "../../../utils/Address.sol";
library SafeERC20 {
using Address for address;
function safeTransfer(
IERC20 token,
address to,
uint256 value
) internal {
_callOptionalReturn(token, abi.encodeWithSelector(token.transfer.selector, to, value));
}
function safeTransferFrom(
IERC20 token,
address from,
address to,
uint256 value
) internal {
_callOptionalReturn(token, abi.encodeWithSelector(token.transferFrom.selector, from, to, value));
}
function safeApprove(
IERC20 token,
address spender,
uint256 value
) internal {
require(
(value == 0) || (token.allowance(address(this), spender) == 0),
"SafeERC20: approve from non-zero to non-zero allowance"
);
_callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, value));
}
function safeIncreaseAllowance(
IERC20 token,
address spender,
uint256 value
) internal {
uint256 newAllowance = token.allowance(address(this), spender) + value;
_callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance));
}
function safeDecreaseAllowance(
IERC20 token,
address spender,
uint256 value
) internal {
unchecked {
uint256 oldAllowance = token.allowance(address(this), spender);
require(oldAllowance >= value, "SafeERC20: decreased allowance below zero");
uint256 newAllowance = oldAllowance - value;
_callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance));
}
}
function safePermit(
IERC20Permit token,
address owner,
address spender,
uint256 value,
uint256 deadline,
uint8 v,
bytes32 r,
bytes32 s
) internal {
uint256 nonceBefore = token.nonces(owner);
token.permit(owner, spender, value, deadline, v, r, s);
uint256 nonceAfter = token.nonces(owner);
require(nonceAfter == nonceBefore + 1, "SafeERC20: permit did not succeed");
}
function _callOptionalReturn(IERC20 token, bytes memory data) private {
bytes memory returndata = address(token).functionCall(data, "SafeERC20: low-level call failed");
if (returndata.length > 0) {
require(abi.decode(returndata, (bool)), "SafeERC20: ERC20 operation did not succeed");
}
}
}
文件 36 的 40：SafeOwnableUpgradeable.sol
pragma solidity >=0.8.0;
import "openzeppelin-contracts-upgradeable/contracts/access/OwnableUpgradeable.sol";
abstract contract SafeOwnableUpgradeable is OwnableUpgradeable {
address public pendingOwner;
function __SafeOwnable_init(address owner_) internal onlyInitializing {
__Ownable_init();
_transferOwnership(owner_);
}
struct AddressSlot {
address value;
}
modifier onlyOwnerOrAdmin() {
bool isOwner = owner() == _msgSender();
if (!isOwner) {
address admin = _getProxyAdmin();
bool isAdmin = admin == _msgSender();
require(isAdmin, "Ownable: caller is neither the owner nor the admin");
}
_;
}
event NewPendingOwner(address oldPendingOwner, address newPendingOwner);
event NewOwner(address oldOwner, address newOwner);
function _setPendingOwner(address newPendingOwner) public onlyOwner {
address oldPendingOwner = pendingOwner;
pendingOwner = newPendingOwner;
emit NewPendingOwner(oldPendingOwner, newPendingOwner);
}
function _acceptOwner() public {
require(msg.sender == pendingOwner, "not the pending owner");
address oldOwner = owner();
address oldPendingOwner = pendingOwner;
_transferOwnership(pendingOwner);
pendingOwner = address(0);
emit NewOwner(oldOwner, pendingOwner);
emit NewPendingOwner(oldPendingOwner, pendingOwner);
}
function renounceOwnership() public override onlyOwner {
revert("not used anymore");
}
function transferOwnership(address newOwner) public override onlyOwner {
emit NewPendingOwner(pendingOwner, newOwner);
pendingOwner = newOwner;
}
function _getProxyAdmin() internal view returns (address admin) {
bytes32 _ADMIN_SLOT = 0xb53127684a568b3173ae13b9f8a6016e243e63b6e8ee1178d6a717850b5d6103;
AddressSlot storage adminSlot;
assembly {
adminSlot.slot := _ADMIN_SLOT
}
admin = adminSlot.value;
}
}
文件 37 的 40：StorageSlot.sol
pragma solidity ^0.8.0;
library StorageSlot {
struct AddressSlot {
address value;
}
struct BooleanSlot {
bool value;
}
struct Bytes32Slot {
bytes32 value;
}
struct Uint256Slot {
uint256 value;
}
function getAddressSlot(bytes32 slot) internal pure returns (AddressSlot storage r) {
assembly {
r.slot := slot
}
}
function getBooleanSlot(bytes32 slot) internal pure returns (BooleanSlot storage r) {
assembly {
r.slot := slot
}
}
function getBytes32Slot(bytes32 slot) internal pure returns (Bytes32Slot storage r) {
assembly {
r.slot := slot
}
}
function getUint256Slot(bytes32 slot) internal pure returns (Uint256Slot storage r) {
assembly {
r.slot := slot
}
}
}
文件 38 的 40：TransparentUpgradeableProxy.sol
pragma solidity ^0.8.0;
import "../ERC1967/ERC1967Proxy.sol";
contract TransparentUpgradeableProxy is ERC1967Proxy {
constructor(
address _logic,
address admin_,
bytes memory _data
) payable ERC1967Proxy(_logic, _data) {
_changeAdmin(admin_);
}
modifier ifAdmin() {
if (msg.sender == _getAdmin()) {
_;
} else {
_fallback();
}
}
function admin() external ifAdmin returns (address admin_) {
admin_ = _getAdmin();
}
function implementation() external ifAdmin returns (address implementation_) {
implementation_ = _implementation();
}
function changeAdmin(address newAdmin) external virtual ifAdmin {
_changeAdmin(newAdmin);
}
function upgradeTo(address newImplementation) external ifAdmin {
_upgradeToAndCall(newImplementation, bytes(""), false);
}
function upgradeToAndCall(address newImplementation, bytes calldata data) external payable ifAdmin {
_upgradeToAndCall(newImplementation, data, true);
}
function _admin() internal view virtual returns (address) {
return _getAdmin();
}
function _beforeFallback() internal virtual override {
require(msg.sender != _getAdmin(), "TransparentUpgradeableProxy: admin cannot fallback to proxy target");
super._beforeFallback();
}
}
文件 39 的 40：draft-IERC1822.sol
pragma solidity ^0.8.0;
interface IERC1822Proxiable {
function proxiableUUID() external view returns (bytes32);
}
文件 40 的 40：draft-IERC20Permit.sol
pragma solidity ^0.8.0;
interface IERC20Permit {
function permit(
address owner,
address spender,
uint256 value,
uint256 deadline,
uint8 v,
bytes32 r,
bytes32 s
) external;
function nonces(address owner) external view returns (uint256);
function DOMAIN_SEPARATOR() external view returns (bytes32);
}
{
"compilationTarget": {
"contracts/ionic/CollateralSwap.sol": "CollateralSwap"
},
"evmVersion": "paris",
"libraries": {},
"metadata": {
"bytecodeHash": "ipfs",
"useLiteralContent": true
},
"optimizer": {
"enabled": true,
"runs": 200
},
"remappings": []
}[{"inputs":[{"internalType":"uint256","name":"_feeBps","type":"uint256"},{"internalType":"address","name":"_feeRecipient","type":"address"},{"internalType":"address","name":"_comptroller","type":"address"},{"internalType":"address[]","name":"_allowedSwapTargets","type":"address[]"}],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[{"internalType":"address","name":"caller","type":"address"}],"name":"InvalidFlashloanCaller","type":"error"},{"inputs":[{"internalType":"address","name":"target","type":"address"}],"name":"InvalidSwapTarget","type":"error"},{"inputs":[{"internalType":"address","name":"market","type":"address"},{"internalType":"uint256","name":"errorCode","type":"uint256"}],"name":"MintFailed","type":"error"},{"inputs":[{"internalType":"address","name":"market","type":"address"},{"internalType":"uint256","name":"errorCode","type":"uint256"}],"name":"RedeemFailed","type":"error"},{"inputs":[],"name":"SwapCollateralFailed","type":"error"},{"inputs":[{"internalType":"address","name":"market","type":"address"},{"internalType":"address","name":"user","type":"address"},{"internalType":"address","name":"target","type":"address"}],"name":"TransferFailed","type":"error"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferStarted","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"inputs":[],"name":"acceptOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"allowedSwapTargets","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"comptroller","outputs":[{"internalType":"contract IonicComptroller","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"feeBps","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"feeRecipient","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"pendingOwner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"borrowedAsset","type":"address"},{"internalType":"uint256","name":"borrowedAmount","type":"uint256"},{"internalType":"bytes","name":"data","type":"bytes"}],"name":"receiveFlashLoan","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_target","type":"address"},{"internalType":"bool","name":"_allowed","type":"bool"}],"name":"setAllowedSwapTarget","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_feeBps","type":"uint256"}],"name":"setFeeBps","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_feeRecipient","type":"address"}],"name":"setFeeRecipient","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"amountUnderlying","type":"uint256"},{"internalType":"contract ICErc20","name":"oldCollateralMarket","type":"address"},{"internalType":"contract ICErc20","name":"newCollateralMarket","type":"address"},{"internalType":"address","name":"swapTarget","type":"address"},{"internalType":"bytes","name":"swapData","type":"bytes"}],"name":"swapCollateral","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"token","type":"address"}],"name":"sweep","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"}]
