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Contract Name:
RangedMarketMastercopy
Compiler Version
v0.8.4+commit.c7e474f2
Optimization Enabled:
Yes with 200 runs
Other Settings:
default evmVersion
Contract Source Code (Solidity Standard Json-Input format)
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; // Inheritance import "./RangedMarket.sol"; contract RangedMarketMastercopy is RangedMarket { constructor() { // Freeze mastercopy on deployment so it can never be initialized with real arguments initialized = true; } }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; import "@openzeppelin/contracts-4.4.1/token/ERC20/IERC20.sol"; import "@openzeppelin/contracts-4.4.1/token/ERC20/utils/SafeERC20.sol"; // Internal references import "./RangedPosition.sol"; import "./RangedMarketsAMM.sol"; import "../interfaces/IPositionalMarket.sol"; import "../interfaces/IPositionalMarketManager.sol"; contract RangedMarket { using SafeERC20 for IERC20; enum Position {In, Out} IPositionalMarket public leftMarket; IPositionalMarket public rightMarket; struct Positions { RangedPosition inp; RangedPosition outp; } Positions public positions; RangedMarketsAMM public rangedMarketsAMM; bool public resolved = false; uint finalPrice; /* ========== CONSTRUCTOR ========== */ bool public initialized = false; function initialize( address _leftMarket, address _rightMarket, address _in, address _out, address _rangedMarketsAMM ) external { require(!initialized, "Ranged Market already initialized"); initialized = true; leftMarket = IPositionalMarket(_leftMarket); rightMarket = IPositionalMarket(_rightMarket); positions.inp = RangedPosition(_in); positions.outp = RangedPosition(_out); rangedMarketsAMM = RangedMarketsAMM(_rangedMarketsAMM); } function mint( uint value, Position _position, address minter ) external onlyAMM { if (value == 0) { return; } _mint(minter, value, _position); } function _mint( address minter, uint amount, Position _position ) internal { if (_position == Position.In) { positions.inp.mint(minter, amount); } else { positions.outp.mint(minter, amount); } emit Mint(minter, amount, _position); } function burnIn(uint value, address claimant) external onlyAMM { if (value == 0) { return; } (IPosition up, ) = IPositionalMarket(leftMarket).getOptions(); IERC20(address(up)).safeTransfer(msg.sender, value / 2); (, IPosition down1) = IPositionalMarket(rightMarket).getOptions(); IERC20(address(down1)).safeTransfer(msg.sender, value / 2); positions.inp.burn(claimant, value); emit Burn(claimant, value, Position.In); } function burnOut(uint value, address claimant) external onlyAMM { if (value == 0) { return; } (, IPosition down) = IPositionalMarket(leftMarket).getOptions(); IERC20(address(down)).safeTransfer(msg.sender, value); (IPosition up1, ) = IPositionalMarket(rightMarket).getOptions(); IERC20(address(up1)).safeTransfer(msg.sender, value); positions.outp.burn(claimant, value); emit Burn(claimant, value, Position.Out); } function canExercisePositions() external view returns (bool) { if (!leftMarket.resolved() && !leftMarket.canResolve()) { return false; } if (!rightMarket.resolved() && !rightMarket.canResolve()) { return false; } uint inBalance = positions.inp.balanceOf(msg.sender); uint outBalance = positions.outp.balanceOf(msg.sender); if (inBalance == 0 && outBalance == 0) { return false; } return true; } function exercisePositions() external { if (leftMarket.canResolve()) { IPositionalMarketManager(rangedMarketsAMM.thalesAmm().manager()).resolveMarket(address(leftMarket)); } if (rightMarket.canResolve()) { IPositionalMarketManager(rangedMarketsAMM.thalesAmm().manager()).resolveMarket(address(rightMarket)); } require(leftMarket.resolved() && rightMarket.resolved(), "Left or Right market not resolved yet!"); uint inBalance = positions.inp.balanceOf(msg.sender); uint outBalance = positions.outp.balanceOf(msg.sender); require(inBalance != 0 || outBalance != 0, "Nothing to exercise"); if (!resolved) { resolveMarket(); } // Each option only needs to be exercised if the account holds any of it. if (inBalance != 0) { positions.inp.burn(msg.sender, inBalance); } if (outBalance != 0) { positions.outp.burn(msg.sender, outBalance); } Position curResult = Position.Out; if ((leftMarket.result() == IPositionalMarket.Side.Up) && (rightMarket.result() == IPositionalMarket.Side.Down)) { curResult = Position.In; } // Only pay out the side that won. uint payout = (curResult == Position.In) ? inBalance : outBalance; if (payout != 0) { rangedMarketsAMM.transferSusdTo( msg.sender, IPositionalMarketManager(rangedMarketsAMM.thalesAmm().manager()).transformCollateral(payout) ); } emit Exercised(msg.sender, payout, curResult); } function canResolve() external view returns (bool) { // The markets must be resolved if (!leftMarket.resolved() && !leftMarket.canResolve()) { return false; } if (!rightMarket.resolved() && !rightMarket.canResolve()) { return false; } return !resolved; } function resolveMarket() public { // The markets must be resolved if (leftMarket.canResolve()) { IPositionalMarketManager(rangedMarketsAMM.thalesAmm().manager()).resolveMarket(address(leftMarket)); } if (rightMarket.canResolve()) { IPositionalMarketManager(rangedMarketsAMM.thalesAmm().manager()).resolveMarket(address(rightMarket)); } require(leftMarket.resolved() && rightMarket.resolved(), "Left or Right market not resolved yet!"); require(!resolved, "Already resolved!"); if (positions.inp.totalSupply() > 0 || positions.outp.totalSupply() > 0) { leftMarket.exerciseOptions(); rightMarket.exerciseOptions(); } resolved = true; if (rangedMarketsAMM.sUSD().balanceOf(address(this)) > 0) { rangedMarketsAMM.sUSD().transfer(address(rangedMarketsAMM), rangedMarketsAMM.sUSD().balanceOf(address(this))); } (, , uint _finalPrice) = leftMarket.getOracleDetails(); finalPrice = _finalPrice; emit Resolved(result(), finalPrice); } function result() public view returns (Position resultToReturn) { resultToReturn = Position.Out; if ((leftMarket.result() == IPositionalMarket.Side.Up) && (rightMarket.result() == IPositionalMarket.Side.Down)) { resultToReturn = Position.In; } } function withdrawCollateral(address recipient) external onlyAMM { rangedMarketsAMM.sUSD().transfer(recipient, rangedMarketsAMM.sUSD().balanceOf(address(this))); } modifier onlyAMM { require(msg.sender == address(rangedMarketsAMM), "only the AMM may perform these methods"); _; } event Mint(address minter, uint amount, Position _position); event Burn(address burner, uint amount, Position _position); event Exercised(address exerciser, uint amount, Position _position); event Resolved(Position winningPosition, uint finalPrice); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (token/ERC20/IERC20.sol) pragma solidity ^0.8.0; /** * @dev Interface of the ERC20 standard as defined in the EIP. */ interface IERC20 { /** * @dev Returns the amount of tokens in existence. */ function totalSupply() external view returns (uint256); /** * @dev Returns the amount of tokens owned by `account`. */ function balanceOf(address account) external view returns (uint256); /** * @dev Moves `amount` tokens from the caller's account to `recipient`. * * Returns a boolean value indicating whether the operation succeeded. * * Emits a {Transfer} event. */ function transfer(address recipient, uint256 amount) external returns (bool); /** * @dev Returns the remaining number of tokens that `spender` will be * allowed to spend on behalf of `owner` through {transferFrom}. This is * zero by default. * * This value changes when {approve} or {transferFrom} are called. */ function allowance(address owner, address spender) external view returns (uint256); /** * @dev Sets `amount` as the allowance of `spender` over the caller's tokens. * * Returns a boolean value indicating whether the operation succeeded. * * IMPORTANT: Beware that changing an allowance with this method brings the risk * that someone may use both the old and the new allowance by unfortunate * transaction ordering. One possible solution to mitigate this race * condition is to first reduce the spender's allowance to 0 and set the * desired value afterwards: * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729 * * Emits an {Approval} event. */ function approve(address spender, uint256 amount) external returns (bool); /** * @dev Moves `amount` tokens from `sender` to `recipient` using the * allowance mechanism. `amount` is then deducted from the caller's * allowance. * * Returns a boolean value indicating whether the operation succeeded. * * Emits a {Transfer} event. */ function transferFrom( address sender, address recipient, uint256 amount ) external returns (bool); /** * @dev Emitted when `value` tokens are moved from one account (`from`) to * another (`to`). * * Note that `value` may be zero. */ event Transfer(address indexed from, address indexed to, uint256 value); /** * @dev Emitted when the allowance of a `spender` for an `owner` is set by * a call to {approve}. `value` is the new allowance. */ event Approval(address indexed owner, address indexed spender, uint256 value); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (token/ERC20/utils/SafeERC20.sol) pragma solidity ^0.8.0; import "../IERC20.sol"; import "../../../utils/Address.sol"; /** * @title SafeERC20 * @dev Wrappers around ERC20 operations that throw on failure (when the token * contract returns false). Tokens that return no value (and instead revert or * throw on failure) are also supported, non-reverting calls are assumed to be * successful. * To use this library you can add a `using SafeERC20 for IERC20;` statement to your contract, * which allows you to call the safe operations as `token.safeTransfer(...)`, etc. */ 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)); } /** * @dev Deprecated. This function has issues similar to the ones found in * {IERC20-approve}, and its usage is discouraged. * * Whenever possible, use {safeIncreaseAllowance} and * {safeDecreaseAllowance} instead. */ function safeApprove( IERC20 token, address spender, uint256 value ) internal { // safeApprove should only be called when setting an initial allowance, // or when resetting it to zero. To increase and decrease it, use // 'safeIncreaseAllowance' and 'safeDecreaseAllowance' 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)); } } /** * @dev Imitates a Solidity high-level call (i.e. a regular function call to a contract), relaxing the requirement * on the return value: the return value is optional (but if data is returned, it must not be false). * @param token The token targeted by the call. * @param data The call data (encoded using abi.encode or one of its variants). */ function _callOptionalReturn(IERC20 token, bytes memory data) private { // We need to perform a low level call here, to bypass Solidity's return data size checking mechanism, since // we're implementing it ourselves. We use {Address.functionCall} to perform this call, which verifies that // the target address contains contract code and also asserts for success in the low-level call. bytes memory returndata = address(token).functionCall(data, "SafeERC20: low-level call failed"); if (returndata.length > 0) { // Return data is optional require(abi.decode(returndata, (bool)), "SafeERC20: ERC20 operation did not succeed"); } } }
// in position collaterized by 0.5 UP on the left leg and 0.5 DOWN on the right leg // SPDX-License-Identifier: MIT pragma solidity ^0.8.0; // Inheritance import "@openzeppelin/contracts-4.4.1/token/ERC20/IERC20.sol"; import "../interfaces/IPosition.sol"; // Internal references import "./RangedMarket.sol"; contract RangedPosition is IERC20 { /* ========== STATE VARIABLES ========== */ string public name; string public symbol; uint8 public constant decimals = 18; RangedMarket public rangedMarket; mapping(address => uint) public override balanceOf; uint public override totalSupply; // The argument order is allowance[owner][spender] mapping(address => mapping(address => uint)) private allowances; // Enforce a 1 cent minimum amount uint internal constant _MINIMUM_AMOUNT = 1e16; address public thalesRangedAMM; /* ========== CONSTRUCTOR ========== */ bool public initialized = false; function initialize( address market, string calldata _name, string calldata _symbol, address _thalesRangedAMM ) external { require(!initialized, "Ranged Market already initialized"); initialized = true; rangedMarket = RangedMarket(market); name = _name; symbol = _symbol; thalesRangedAMM = _thalesRangedAMM; } function allowance(address owner, address spender) external view override returns (uint256) { if (spender == thalesRangedAMM) { return type(uint256).max; } else { return allowances[owner][spender]; } } function burn(address claimant, uint amount) external onlyRangedMarket { balanceOf[claimant] = balanceOf[claimant] - amount; totalSupply = totalSupply - amount; emit Burned(claimant, amount); emit Transfer(claimant, address(0), amount); } function mint(address minter, uint amount) external onlyRangedMarket { _requireMinimumAmount(amount); totalSupply = totalSupply + amount; balanceOf[minter] = balanceOf[minter] + amount; // Increment rather than assigning since a transfer may have occurred. emit Mint(minter, amount); emit Transfer(address(0), minter, amount); } /* ---------- ERC20 Functions ---------- */ function _transfer( address _from, address _to, uint _value ) internal returns (bool success) { require(_to != address(0) && _to != address(this), "Invalid address"); uint fromBalance = balanceOf[_from]; require(_value <= fromBalance, "Insufficient balance"); balanceOf[_from] = fromBalance - _value; balanceOf[_to] = balanceOf[_to] + _value; emit Transfer(_from, _to, _value); return true; } function transfer(address _to, uint _value) external override returns (bool success) { return _transfer(msg.sender, _to, _value); } function transferFrom( address _from, address _to, uint _value ) external override returns (bool success) { if (msg.sender != thalesRangedAMM) { uint fromAllowance = allowances[_from][msg.sender]; require(_value <= fromAllowance, "Insufficient allowance"); allowances[_from][msg.sender] = fromAllowance - _value; } return _transfer(_from, _to, _value); } function approve(address _spender, uint _value) external override returns (bool success) { require(_spender != address(0)); allowances[msg.sender][_spender] = _value; emit Approval(msg.sender, _spender, _value); return true; } function getBalanceOf(address account) external view returns (uint) { return balanceOf[account]; } function getTotalSupply() external view returns (uint) { return totalSupply; } modifier onlyRangedMarket { require(msg.sender == address(rangedMarket), "only the Ranged Market may perform these methods"); _; } function _requireMinimumAmount(uint amount) internal pure returns (uint) { require(amount >= _MINIMUM_AMOUNT || amount == 0, "Balance < $0.01"); return amount; } event Mint(address minter, uint amount); event Burned(address burner, uint amount); }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; // external import "@openzeppelin/contracts-upgradeable/token/ERC20/utils/SafeERC20Upgradeable.sol"; import "@openzeppelin/contracts-upgradeable/utils/math/MathUpgradeable.sol"; import "@openzeppelin/contracts-upgradeable/access/OwnableUpgradeable.sol"; import "@openzeppelin/contracts-upgradeable/proxy/utils/Initializable.sol"; import "@openzeppelin/contracts-upgradeable/utils/math/SafeMathUpgradeable.sol"; import "@openzeppelin/contracts-upgradeable/token/ERC20/IERC20Upgradeable.sol"; import "@openzeppelin/contracts-upgradeable/security/PausableUpgradeable.sol"; import "@openzeppelin/contracts-4.4.1/proxy/Clones.sol"; // interfaces import "../interfaces/IPriceFeed.sol"; import "../interfaces/IThalesAMM.sol"; // internal import "../utils/proxy/solidity-0.8.0/ProxyReentrancyGuard.sol"; import "../utils/proxy/solidity-0.8.0/ProxyOwned.sol"; import "../utils/proxy/solidity-0.8.0/ProxyPausable.sol"; import "../utils/libraries/AddressSetLib.sol"; import "./RangedPosition.sol"; import "./RangedPosition.sol"; import "./RangedMarket.sol"; import "../interfaces/IPositionalMarket.sol"; import "../interfaces/IStakingThales.sol"; import "../interfaces/IReferrals.sol"; import "../interfaces/ICurveSUSD.sol"; contract RangedMarketsAMM is Initializable, ProxyOwned, ProxyPausable, ProxyReentrancyGuard { using AddressSetLib for AddressSetLib.AddressSet; using SafeERC20Upgradeable for IERC20Upgradeable; uint private constant ONE = 1e18; uint private constant ONE_PERCENT = 1e16; IThalesAMM public thalesAmm; uint public rangedAmmFee; mapping(address => mapping(address => address)) public createdRangedMarkets; AddressSetLib.AddressSet internal _knownMarkets; address public rangedMarketMastercopy; address public rangedPositionMastercopy; IERC20Upgradeable public sUSD; mapping(address => uint) public spentOnMarket; // IMPORTANT: AMM risks only half or the payout effectively, but it risks the whole amount on price movements uint public capPerMarket; uint public minSupportedPrice; uint public maxSupportedPrice; address public safeBox; uint public safeBoxImpact; uint public minimalDifBetweenStrikes; IStakingThales public stakingThales; uint public maximalDifBetweenStrikes; address public referrals; uint public referrerFee; ICurveSUSD public curveSUSD; address public usdc; address public usdt; address public dai; bool public curveOnrampEnabled; function initialize( address _owner, IThalesAMM _thalesAmm, uint _rangedAmmFee, uint _capPerMarket, IERC20Upgradeable _sUSD, address _safeBox, uint _safeBoxImpact ) public initializer { setOwner(_owner); initNonReentrant(); thalesAmm = _thalesAmm; capPerMarket = _capPerMarket; rangedAmmFee = _rangedAmmFee; sUSD = _sUSD; safeBox = _safeBox; safeBoxImpact = _safeBoxImpact; sUSD.approve(address(thalesAmm), type(uint256).max); } function createRangedMarket(address leftMarket, address rightMarket) external nonReentrant notPaused { require(canCreateRangedMarket(leftMarket, rightMarket), "Can't create such a ranged market!"); RangedMarket rm = RangedMarket(Clones.clone(rangedMarketMastercopy)); createdRangedMarkets[leftMarket][rightMarket] = address(rm); RangedPosition inp = RangedPosition(Clones.clone(rangedPositionMastercopy)); inp.initialize(address(rm), "Position IN", "IN", address(this)); RangedPosition outp = RangedPosition(Clones.clone(rangedPositionMastercopy)); outp.initialize(address(rm), "Position OUT", "OUT", address(this)); rm.initialize(leftMarket, rightMarket, address(inp), address(outp), address(this)); _knownMarkets.add(address(rm)); emit RangedMarketCreated(address(rm), leftMarket, rightMarket); } function canCreateRangedMarket(address leftMarket, address rightMarket) public view returns (bool) { if (!thalesAmm.isMarketInAMMTrading(leftMarket) || !thalesAmm.isMarketInAMMTrading(rightMarket)) { return false; } (uint maturityLeft, ) = IPositionalMarket(leftMarket).times(); (uint maturityRight, ) = IPositionalMarket(rightMarket).times(); if (maturityLeft != maturityRight) { return false; } (bytes32 leftkey, uint leftstrikePrice, ) = IPositionalMarket(leftMarket).getOracleDetails(); (bytes32 rightkey, uint rightstrikePrice, ) = IPositionalMarket(rightMarket).getOracleDetails(); if (leftkey != rightkey) { return false; } if (leftstrikePrice >= rightstrikePrice) { return false; } if (!(((ONE + minimalDifBetweenStrikes * ONE_PERCENT) * leftstrikePrice) / ONE < rightstrikePrice)) { return false; } if (!(((ONE + maximalDifBetweenStrikes * ONE_PERCENT) * leftstrikePrice) / ONE > rightstrikePrice)) { return false; } return createdRangedMarkets[leftMarket][rightMarket] == address(0); } function availableToBuyFromAMM(RangedMarket rangedMarket, RangedMarket.Position position) public view knownRangedMarket(address(rangedMarket)) returns (uint) { uint availableLeft = thalesAmm.availableToBuyFromAMM( address(rangedMarket.leftMarket()), position == RangedMarket.Position.Out ? IThalesAMM.Position.Down : IThalesAMM.Position.Up ); uint availableRight = thalesAmm.availableToBuyFromAMM( address(rangedMarket.rightMarket()), position == RangedMarket.Position.Out ? IThalesAMM.Position.Up : IThalesAMM.Position.Down ); if (position == RangedMarket.Position.Out) { return availableLeft < availableRight ? availableLeft : availableRight; } else { uint availableThalesAMM = (availableLeft < availableRight ? availableLeft : availableRight) * 2; uint availableRangedAmm = _availableToBuyFromAMMOnlyRangedIN(rangedMarket); return availableThalesAMM > availableRangedAmm ? availableRangedAmm : availableThalesAMM; } } function _availableToBuyFromAMMOnlyRangedIN(RangedMarket rangedMarket) internal view knownRangedMarket(address(rangedMarket)) returns (uint availableRangedAmm) { uint minPrice = IPositionalMarketManager(thalesAmm.manager()).reverseTransformCollateral(minInPrice(rangedMarket)); if (minPrice <= minSupportedPrice || minPrice >= maxSupportedPrice) { return 0; } uint rangedAMMRisk = ONE - minPrice; availableRangedAmm = ((capPerMarket - spentOnMarket[address(rangedMarket)]) * ONE) / rangedAMMRisk; } function minInPrice(RangedMarket rangedMarket) public view knownRangedMarket(address(rangedMarket)) returns (uint quotedPrice) { uint leftQuote = thalesAmm.buyFromAmmQuote(address(rangedMarket.leftMarket()), IThalesAMM.Position.Up, ONE); uint rightQuote = thalesAmm.buyFromAmmQuote(address(rangedMarket.rightMarket()), IThalesAMM.Position.Down, ONE); quotedPrice = ((leftQuote + rightQuote) - ((ONE - leftQuote) + (ONE - rightQuote))) / 2; } function buyFromAmmQuote( RangedMarket rangedMarket, RangedMarket.Position position, uint amount ) public view knownRangedMarket(address(rangedMarket)) returns (uint sUSDPaid) { (sUSDPaid, , ) = buyFromAmmQuoteDetailed(rangedMarket, position, amount); uint basePrice = (sUSDPaid * ONE) / amount; if (basePrice < minSupportedPrice || basePrice >= ONE) { sUSDPaid = 0; } } function buyFromAmmQuoteDetailed( RangedMarket rangedMarket, RangedMarket.Position position, uint amount ) public view knownRangedMarket(address(rangedMarket)) returns ( uint quoteWithFees, uint leftQuote, uint rightQuote ) { amount = position == RangedMarket.Position.Out ? amount : amount / 2; leftQuote = thalesAmm.buyFromAmmQuote( address(rangedMarket.leftMarket()), position == RangedMarket.Position.Out ? IThalesAMM.Position.Down : IThalesAMM.Position.Up, amount ); rightQuote = thalesAmm.buyFromAmmQuote( address(rangedMarket.rightMarket()), position == RangedMarket.Position.Out ? IThalesAMM.Position.Up : IThalesAMM.Position.Down, amount ); uint summedQuotes = leftQuote + rightQuote; if (position == RangedMarket.Position.Out) { quoteWithFees = (summedQuotes * (rangedAmmFee + ONE)) / ONE; } else { uint quoteWithoutFees = ((summedQuotes) - ((amount - leftQuote) + (amount - rightQuote))); quoteWithFees = (quoteWithoutFees * (rangedAmmFee + safeBoxImpact + ONE)) / ONE; } } function buyFromAmmQuoteWithDifferentCollateral( RangedMarket rangedMarket, RangedMarket.Position position, uint amount, address collateral ) public view returns (uint collateralQuote, uint sUSDToPay) { int128 curveIndex = _mapCollateralToCurveIndex(collateral); if (curveIndex == 0 || !curveOnrampEnabled) { return (0, 0); } sUSDToPay = buyFromAmmQuote(rangedMarket, position, amount); //cant get a quote on how much collateral is needed from curve for sUSD, //so rather get how much of collateral you get for the sUSD quote and add 0.2% to that collateralQuote = (curveSUSD.get_dy_underlying(0, curveIndex, sUSDToPay) * (ONE + (ONE_PERCENT / 5))) / ONE; } function buyFromAMMWithReferrer( RangedMarket rangedMarket, RangedMarket.Position position, uint amount, uint expectedPayout, uint additionalSlippage, address referrer ) public knownRangedMarket(address(rangedMarket)) nonReentrant notPaused { if (referrer != address(0)) { IReferrals(referrals).setReferrer(referrer, msg.sender); } _buyFromAMM(rangedMarket, position, amount, expectedPayout, additionalSlippage, true); } function buyFromAMMWithDifferentCollateralAndReferrer( RangedMarket rangedMarket, RangedMarket.Position position, uint amount, uint expectedPayout, uint additionalSlippage, address collateral, address _referrer ) public nonReentrant notPaused { if (_referrer != address(0)) { IReferrals(referrals).setReferrer(_referrer, msg.sender); } int128 curveIndex = _mapCollateralToCurveIndex(collateral); require(curveIndex > 0 && curveOnrampEnabled, "unsupported collateral"); (uint collateralQuote, uint susdQuote) = buyFromAmmQuoteWithDifferentCollateral(rangedMarket, position, amount, collateral); require((collateralQuote * ONE) / expectedPayout <= (ONE + additionalSlippage), "Slippage too high"); IERC20Upgradeable collateralToken = IERC20Upgradeable(collateral); collateralToken.safeTransferFrom(msg.sender, address(this), collateralQuote); curveSUSD.exchange_underlying(curveIndex, 0, collateralQuote, susdQuote); _buyFromAMM(rangedMarket, position, amount, susdQuote, additionalSlippage, false); } function buyFromAMM( RangedMarket rangedMarket, RangedMarket.Position position, uint amount, uint expectedPayout, uint additionalSlippage ) public knownRangedMarket(address(rangedMarket)) nonReentrant notPaused { _buyFromAMM(rangedMarket, position, amount, expectedPayout, additionalSlippage, true); } function _buyFromAMM( RangedMarket rangedMarket, RangedMarket.Position position, uint amount, uint expectedPayout, uint additionalSlippage, bool sendSUSD ) internal { require( position == RangedMarket.Position.Out || amount <= _availableToBuyFromAMMOnlyRangedIN(rangedMarket), "Not enough liquidity" ); (uint sUSDPaid, uint leftQuote, uint rightQuote) = buyFromAmmQuoteDetailed(rangedMarket, position, amount); uint basePrice = (sUSDPaid * ONE) / amount; require(basePrice > minSupportedPrice && basePrice < ONE, "Invalid price"); require((sUSDPaid * ONE) / expectedPayout <= (ONE + additionalSlippage), "Slippage too high"); if (sendSUSD) { sUSD.safeTransferFrom(msg.sender, address(this), sUSDPaid); } address target; (RangedPosition inp, RangedPosition outp) = rangedMarket.positions(); if (position == RangedMarket.Position.Out) { target = address(outp); _buyOUT(rangedMarket, amount, leftQuote, rightQuote, additionalSlippage); } else { target = address(inp); _buyIN(rangedMarket, amount, leftQuote, rightQuote, additionalSlippage); _updateSpentOnMarketAndSafeBoxOnBuy(address(rangedMarket), amount, sUSDPaid); } rangedMarket.mint(amount, position, msg.sender); _handleReferrer(msg.sender, sUSDPaid); if (address(stakingThales) != address(0)) { stakingThales.updateVolume(msg.sender, sUSDPaid); } emit BoughtFromAmm(msg.sender, address(rangedMarket), position, amount, sUSDPaid, address(sUSD), target); } function _buyOUT( RangedMarket rangedMarket, uint amount, uint leftQuote, uint rightQuote, uint additionalSlippage ) internal { thalesAmm.buyFromAMM( address(rangedMarket.leftMarket()), IThalesAMM.Position.Down, amount, leftQuote, additionalSlippage ); thalesAmm.buyFromAMM( address(rangedMarket.rightMarket()), IThalesAMM.Position.Up, amount, rightQuote, additionalSlippage ); // TODO: what if I got 1% less than amount via Thales AMM? set additional slippage to 0 for internal trades // apply the same in all places (, IPosition down) = IPositionalMarket(rangedMarket.leftMarket()).getOptions(); IERC20Upgradeable(address(down)).safeTransfer(address(rangedMarket), amount); (IPosition up1, ) = IPositionalMarket(rangedMarket.rightMarket()).getOptions(); IERC20Upgradeable(address(up1)).safeTransfer(address(rangedMarket), amount); } function _buyIN( RangedMarket rangedMarket, uint amount, uint leftQuote, uint rightQuote, uint additionalSlippage ) internal { thalesAmm.buyFromAMM( address(rangedMarket.leftMarket()), IThalesAMM.Position.Up, amount / 2, leftQuote, additionalSlippage ); thalesAmm.buyFromAMM( address(rangedMarket.rightMarket()), IThalesAMM.Position.Down, amount / 2, rightQuote, additionalSlippage ); (IPosition up, ) = IPositionalMarket(rangedMarket.leftMarket()).getOptions(); IERC20Upgradeable(address(up)).safeTransfer(address(rangedMarket), amount / 2); (, IPosition down1) = IPositionalMarket(rangedMarket.rightMarket()).getOptions(); IERC20Upgradeable(address(down1)).safeTransfer(address(rangedMarket), amount / 2); } function availableToSellToAMM(RangedMarket rangedMarket, RangedMarket.Position position) public view knownRangedMarket(address(rangedMarket)) returns (uint _available) { uint availableLeft = thalesAmm.availableToSellToAMM( address(rangedMarket.leftMarket()), position == RangedMarket.Position.Out ? IThalesAMM.Position.Down : IThalesAMM.Position.Up ); uint availableRight = thalesAmm.availableToSellToAMM( address(rangedMarket.rightMarket()), position == RangedMarket.Position.Out ? IThalesAMM.Position.Up : IThalesAMM.Position.Down ); _available = availableLeft < availableRight ? availableLeft : availableRight; if (position == RangedMarket.Position.In) { _available = _available * 2; } } function sellToAmmQuote( RangedMarket rangedMarket, RangedMarket.Position position, uint amount ) public view knownRangedMarket(address(rangedMarket)) returns (uint pricePaid) { (pricePaid, , ) = sellToAmmQuoteDetailed(rangedMarket, position, amount); } function sellToAmmQuoteDetailed( RangedMarket rangedMarket, RangedMarket.Position position, uint amount ) public view knownRangedMarket(address(rangedMarket)) returns ( uint quoteWithFees, uint leftQuote, uint rightQuote ) { amount = position == RangedMarket.Position.Out ? amount : amount / 2; leftQuote = thalesAmm.sellToAmmQuote( address(rangedMarket.leftMarket()), position == RangedMarket.Position.Out ? IThalesAMM.Position.Down : IThalesAMM.Position.Up, amount ); rightQuote = thalesAmm.sellToAmmQuote( address(rangedMarket.rightMarket()), position == RangedMarket.Position.Out ? IThalesAMM.Position.Up : IThalesAMM.Position.Down, amount ); uint summedQuotes = leftQuote + rightQuote; if (position == RangedMarket.Position.Out) { quoteWithFees = (summedQuotes * (ONE - rangedAmmFee)) / ONE; } else { uint amountTransformed = IPositionalMarketManager(thalesAmm.manager()).transformCollateral(amount); if ( amountTransformed > leftQuote && amountTransformed > rightQuote && summedQuotes > ((amountTransformed - leftQuote) + (amountTransformed - rightQuote)) ) { uint quoteWithoutFees = summedQuotes - ((amountTransformed - leftQuote) + (amountTransformed - rightQuote)); quoteWithFees = (quoteWithoutFees * (ONE - rangedAmmFee - safeBoxImpact)) / ONE; } } } function sellToAMM( RangedMarket rangedMarket, RangedMarket.Position position, uint amount, uint expectedPayout, uint additionalSlippage ) public knownRangedMarket(address(rangedMarket)) nonReentrant notPaused { uint availableToSellToAMMATM = availableToSellToAMM(rangedMarket, position); require(availableToSellToAMMATM > 0 && amount <= availableToSellToAMMATM, "Not enough liquidity."); (uint pricePaid, uint leftQuote, uint rightQuote) = sellToAmmQuoteDetailed(rangedMarket, position, amount); require(pricePaid > 0 && (expectedPayout * ONE) / pricePaid <= (ONE + additionalSlippage), "Slippage too high"); _handleApprovals(rangedMarket); if (position == RangedMarket.Position.Out) { rangedMarket.burnOut(amount, msg.sender); } else { rangedMarket.burnIn(amount, msg.sender); _updateSpentOnMarketAndSafeBoxOnSell(amount, rangedMarket, pricePaid); } _handleSellToAmm(rangedMarket, position, amount, additionalSlippage, leftQuote, rightQuote); sUSD.safeTransfer(msg.sender, pricePaid); _handleReferrer(msg.sender, pricePaid); if (address(stakingThales) != address(0)) { stakingThales.updateVolume(msg.sender, pricePaid); } (RangedPosition inp, RangedPosition outp) = rangedMarket.positions(); address target = position == RangedMarket.Position.Out ? address(outp) : address(inp); emit SoldToAMM(msg.sender, address(rangedMarket), position, amount, pricePaid, address(sUSD), target); } function _handleSellToAmm( RangedMarket rangedMarket, RangedMarket.Position position, uint amount, uint additionalSlippage, uint leftQuote, uint rightQuote ) internal { uint baseAMMAmount = position == RangedMarket.Position.Out ? amount : amount / 2; thalesAmm.sellToAMM( address(rangedMarket.leftMarket()), position == RangedMarket.Position.Out ? IThalesAMM.Position.Down : IThalesAMM.Position.Up, baseAMMAmount, leftQuote, additionalSlippage ); thalesAmm.sellToAMM( address(rangedMarket.rightMarket()), position == RangedMarket.Position.Out ? IThalesAMM.Position.Up : IThalesAMM.Position.Down, baseAMMAmount, rightQuote, additionalSlippage ); } function _handleApprovals(RangedMarket rangedMarket) internal { (IPosition up, IPosition down) = IPositionalMarket(rangedMarket.leftMarket()).getOptions(); (IPosition up1, IPosition down1) = IPositionalMarket(rangedMarket.rightMarket()).getOptions(); IERC20Upgradeable(address(up)).approve(address(thalesAmm), type(uint256).max); IERC20Upgradeable(address(down)).approve(address(thalesAmm), type(uint256).max); IERC20Upgradeable(address(up1)).approve(address(thalesAmm), type(uint256).max); IERC20Upgradeable(address(down1)).approve(address(thalesAmm), type(uint256).max); } function _handleReferrer(address buyer, uint sUSDPaid) internal { if (referrerFee > 0 && referrals != address(0)) { address referrer = IReferrals(referrals).referrals(buyer); if (referrer != address(0)) { uint referrerShare = (sUSDPaid * (ONE + referrerFee)) / ONE - sUSDPaid; sUSD.transfer(referrer, referrerShare); emit ReferrerPaid(referrer, buyer, referrerShare, sUSDPaid); } } } function _mapCollateralToCurveIndex(address collateral) internal view returns (int128) { if (collateral == dai) { return 1; } if (collateral == usdc) { return 2; } if (collateral == usdt) { return 3; } return 0; } function _updateSpentOnMarketAndSafeBoxOnBuy( address rangedMarket, uint amount, uint sUSDPaid ) internal { uint safeBoxShare = 0; if (safeBoxImpact > 0) { safeBoxShare = sUSDPaid - ((sUSDPaid * ONE) / (ONE + safeBoxImpact)); sUSD.transfer(safeBox, safeBoxShare); } spentOnMarket[rangedMarket] = spentOnMarket[rangedMarket] + amount - IPositionalMarketManager(thalesAmm.manager()).reverseTransformCollateral(sUSDPaid - safeBoxShare); } function _updateSpentOnMarketAndSafeBoxOnSell( uint amount, RangedMarket rangedMarket, uint sUSDPaid ) internal { uint safeBoxShare = 0; if (safeBoxImpact > 0) { safeBoxShare = ((sUSDPaid * ONE) / (ONE - safeBoxImpact)) - sUSDPaid; sUSD.transfer(safeBox, safeBoxShare); } uint intermediateSum = IPositionalMarketManager(thalesAmm.manager()).reverseTransformCollateral(sUSDPaid + safeBoxShare); if (amount > (spentOnMarket[address(rangedMarket)] + intermediateSum)) { spentOnMarket[address(rangedMarket)] = 0; } else { spentOnMarket[address(rangedMarket)] = spentOnMarket[address(rangedMarket)] + intermediateSum - amount; } } function transferSusdTo(address receiver, uint amount) external { require(_knownMarkets.contains(msg.sender), "Not a known ranged market"); sUSD.safeTransfer(receiver, amount); } function retrieveSUSDAmount(address payable account, uint amount) external onlyOwner { sUSD.safeTransfer(account, amount); } function setRangedMarketMastercopies(address _rangedMarketMastercopy, address _rangedPositionMastercopy) external onlyOwner { rangedMarketMastercopy = _rangedMarketMastercopy; rangedPositionMastercopy = _rangedPositionMastercopy; } function setMinMaxSupportedPrice( uint _minSupportedPrice, uint _maxSupportedPrice, uint _minDiffBetweenStrikes, uint _maxDiffBetweenStrikes ) public onlyOwner { minSupportedPrice = _minSupportedPrice; maxSupportedPrice = _maxSupportedPrice; minimalDifBetweenStrikes = _minDiffBetweenStrikes; maximalDifBetweenStrikes = _maxDiffBetweenStrikes; emit SetMinMaxSupportedPrice(minSupportedPrice, maxSupportedPrice); emit SetMinimalMaximalDifBetweenStrikes(minimalDifBetweenStrikes, maximalDifBetweenStrikes); } function setSafeBoxData(address _safeBox, uint _safeBoxImpact) external onlyOwner { safeBoxImpact = _safeBoxImpact; safeBox = _safeBox; emit SafeBoxChanged(_safeBoxImpact, _safeBox); } function setCapPerMarketAndRangedAMMFee(uint _capPerMarket, uint _rangedAMMFee) external onlyOwner { capPerMarket = _capPerMarket; rangedAmmFee = _rangedAMMFee; emit SetCapPerMarketAndRangedFee(capPerMarket, rangedAmmFee); } function setThalesAMMStakingThalesAndReferrals( address _thalesAMM, IStakingThales _stakingThales, address _referrals, uint _referrerFee ) external onlyOwner { thalesAmm = IThalesAMM(_thalesAMM); sUSD.approve(address(thalesAmm), type(uint256).max); stakingThales = _stakingThales; referrals = _referrals; referrerFee = _referrerFee; } function setCurveSUSD( address _curveSUSD, address _dai, address _usdc, address _usdt, bool _curveOnrampEnabled ) external onlyOwner { curveSUSD = ICurveSUSD(_curveSUSD); dai = _dai; usdc = _usdc; usdt = _usdt; IERC20(dai).approve(_curveSUSD, type(uint256).max); IERC20(usdc).approve(_curveSUSD, type(uint256).max); IERC20(usdt).approve(_curveSUSD, type(uint256).max); // not needed unless selling into different collateral is enabled //sUSD.approve(_curveSUSD, type(uint256).max); curveOnrampEnabled = _curveOnrampEnabled; } modifier knownRangedMarket(address market) { require(_knownMarkets.contains(market), "Not a known ranged market"); _; } event SoldToAMM( address seller, address market, RangedMarket.Position position, uint amount, uint sUSDPaid, address susd, address asset ); event BoughtFromAmm( address buyer, address market, RangedMarket.Position position, uint amount, uint sUSDPaid, address susd, address asset ); event RangedMarketCreated(address market, address leftMarket, address rightMarket); event SafeBoxChanged(uint _safeBoxImpact, address _safeBox); event SetMinMaxSupportedPrice(uint minSupportedPrice, uint maxSupportedPrice); event SetMinimalMaximalDifBetweenStrikes(uint minSupportedPrice, uint maxSupportedPrice); event SetCapPerMarketAndRangedFee(uint capPerMarket, uint rangedAmmFee); event ReferrerPaid(address refferer, address trader, uint amount, uint volume); }
// SPDX-License-Identifier: MIT pragma solidity >=0.5.16; import "../interfaces/IPositionalMarketManager.sol"; import "../interfaces/IPosition.sol"; import "../interfaces/IPriceFeed.sol"; interface IPositionalMarket { /* ========== TYPES ========== */ enum Phase {Trading, Maturity, Expiry} enum Side {Up, Down} /* ========== VIEWS / VARIABLES ========== */ function getOptions() external view returns (IPosition up, IPosition down); function times() external view returns (uint maturity, uint destructino); function getOracleDetails() external view returns ( bytes32 key, uint strikePrice, uint finalPrice ); function fees() external view returns (uint poolFee, uint creatorFee); function deposited() external view returns (uint); function creator() external view returns (address); function resolved() external view returns (bool); function phase() external view returns (Phase); function oraclePrice() external view returns (uint); function oraclePriceAndTimestamp() external view returns (uint price, uint updatedAt); function canResolve() external view returns (bool); function result() external view returns (Side); function balancesOf(address account) external view returns (uint up, uint down); function totalSupplies() external view returns (uint up, uint down); function getMaximumBurnable(address account) external view returns (uint amount); /* ========== MUTATIVE FUNCTIONS ========== */ function mint(uint value) external; function exerciseOptions() external returns (uint); function burnOptions(uint amount) external; function burnOptionsMaximum() external; }
// SPDX-License-Identifier: MIT pragma solidity >=0.5.16; import "../interfaces/IPositionalMarket.sol"; interface IPositionalMarketManager { /* ========== VIEWS / VARIABLES ========== */ function durations() external view returns (uint expiryDuration, uint maxTimeToMaturity); function capitalRequirement() external view returns (uint); function marketCreationEnabled() external view returns (bool); function transformCollateral(uint value) external view returns (uint); function reverseTransformCollateral(uint value) external view returns (uint); function totalDeposited() external view returns (uint); function numActiveMarkets() external view returns (uint); function activeMarkets(uint index, uint pageSize) external view returns (address[] memory); function numMaturedMarkets() external view returns (uint); function maturedMarkets(uint index, uint pageSize) external view returns (address[] memory); function isActiveMarket(address candidate) external view returns (bool); function isKnownMarket(address candidate) external view returns (bool); /* ========== MUTATIVE FUNCTIONS ========== */ function createMarket( bytes32 oracleKey, uint strikePrice, uint maturity, uint initialMint // initial sUSD to mint options for, ) external returns (IPositionalMarket); function resolveMarket(address market) external; function expireMarkets(address[] calldata market) external; function transferSusdTo( address sender, address receiver, uint amount ) external; }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (utils/Address.sol) pragma solidity ^0.8.0; /** * @dev Collection of functions related to the address type */ library Address { /** * @dev Returns true if `account` is a contract. * * [IMPORTANT] * ==== * It is unsafe to assume that an address for which this function returns * false is an externally-owned account (EOA) and not a contract. * * Among others, `isContract` will return false for the following * types of addresses: * * - an externally-owned account * - a contract in construction * - an address where a contract will be created * - an address where a contract lived, but was destroyed * ==== */ function isContract(address account) internal view returns (bool) { // This method relies on extcodesize, which returns 0 for contracts in // construction, since the code is only stored at the end of the // constructor execution. uint256 size; assembly { size := extcodesize(account) } return size > 0; } /** * @dev Replacement for Solidity's `transfer`: sends `amount` wei to * `recipient`, forwarding all available gas and reverting on errors. * * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost * of certain opcodes, possibly making contracts go over the 2300 gas limit * imposed by `transfer`, making them unable to receive funds via * `transfer`. {sendValue} removes this limitation. * * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more]. * * IMPORTANT: because control is transferred to `recipient`, care must be * taken to not create reentrancy vulnerabilities. Consider using * {ReentrancyGuard} or the * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern]. */ 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"); } /** * @dev Performs a Solidity function call using a low level `call`. A * plain `call` is an unsafe replacement for a function call: use this * function instead. * * If `target` reverts with a revert reason, it is bubbled up by this * function (like regular Solidity function calls). * * Returns the raw returned data. To convert to the expected return value, * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`]. * * Requirements: * * - `target` must be a contract. * - calling `target` with `data` must not revert. * * _Available since v3.1._ */ function functionCall(address target, bytes memory data) internal returns (bytes memory) { return functionCall(target, data, "Address: low-level call failed"); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with * `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ */ function functionCall( address target, bytes memory data, string memory errorMessage ) internal returns (bytes memory) { return functionCallWithValue(target, data, 0, errorMessage); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but also transferring `value` wei to `target`. * * Requirements: * * - the calling contract must have an ETH balance of at least `value`. * - the called Solidity function must be `payable`. * * _Available since v3.1._ */ 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"); } /** * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but * with `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ */ 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"); require(isContract(target), "Address: call to non-contract"); (bool success, bytes memory returndata) = target.call{value: value}(data); return verifyCallResult(success, returndata, errorMessage); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but performing a static call. * * _Available since v3.3._ */ function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) { return functionStaticCall(target, data, "Address: low-level static call failed"); } /** * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`], * but performing a static call. * * _Available since v3.3._ */ function functionStaticCall( address target, bytes memory data, string memory errorMessage ) internal view returns (bytes memory) { require(isContract(target), "Address: static call to non-contract"); (bool success, bytes memory returndata) = target.staticcall(data); return verifyCallResult(success, returndata, errorMessage); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but performing a delegate call. * * _Available since v3.4._ */ function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) { return functionDelegateCall(target, data, "Address: low-level delegate call failed"); } /** * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`], * but performing a delegate call. * * _Available since v3.4._ */ function functionDelegateCall( address target, bytes memory data, string memory errorMessage ) internal returns (bytes memory) { require(isContract(target), "Address: delegate call to non-contract"); (bool success, bytes memory returndata) = target.delegatecall(data); return verifyCallResult(success, returndata, errorMessage); } /** * @dev Tool to verifies that a low level call was successful, and revert if it wasn't, either by bubbling the * revert reason using the provided one. * * _Available since v4.3._ */ function verifyCallResult( bool success, bytes memory returndata, string memory errorMessage ) internal pure returns (bytes memory) { if (success) { return returndata; } else { // Look for revert reason and bubble it up if present if (returndata.length > 0) { // The easiest way to bubble the revert reason is using memory via assembly assembly { let returndata_size := mload(returndata) revert(add(32, returndata), returndata_size) } } else { revert(errorMessage); } } } }
// SPDX-License-Identifier: MIT pragma solidity >=0.5.16; import "./IPositionalMarket.sol"; interface IPosition { /* ========== VIEWS / VARIABLES ========== */ function getBalanceOf(address account) external view returns (uint); function getTotalSupply() external view returns (uint); }
// SPDX-License-Identifier: MIT pragma solidity >=0.5.16; interface IPriceFeed { // Structs struct RateAndUpdatedTime { uint216 rate; uint40 time; } // Mutative functions function addAggregator(bytes32 currencyKey, address aggregatorAddress) external; function removeAggregator(bytes32 currencyKey) external; // Views function rateForCurrency(bytes32 currencyKey) external view returns (uint); function rateAndUpdatedTime(bytes32 currencyKey) external view returns (uint rate, uint time); function getRates() external view returns (uint[] memory); function getCurrencies() external view returns (bytes32[] memory); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (token/ERC20/utils/SafeERC20.sol) pragma solidity ^0.8.0; import "../IERC20Upgradeable.sol"; import "../../../utils/AddressUpgradeable.sol"; /** * @title SafeERC20 * @dev Wrappers around ERC20 operations that throw on failure (when the token * contract returns false). Tokens that return no value (and instead revert or * throw on failure) are also supported, non-reverting calls are assumed to be * successful. * To use this library you can add a `using SafeERC20 for IERC20;` statement to your contract, * which allows you to call the safe operations as `token.safeTransfer(...)`, etc. */ library SafeERC20Upgradeable { using AddressUpgradeable for address; function safeTransfer( IERC20Upgradeable token, address to, uint256 value ) internal { _callOptionalReturn(token, abi.encodeWithSelector(token.transfer.selector, to, value)); } function safeTransferFrom( IERC20Upgradeable token, address from, address to, uint256 value ) internal { _callOptionalReturn(token, abi.encodeWithSelector(token.transferFrom.selector, from, to, value)); } /** * @dev Deprecated. This function has issues similar to the ones found in * {IERC20-approve}, and its usage is discouraged. * * Whenever possible, use {safeIncreaseAllowance} and * {safeDecreaseAllowance} instead. */ function safeApprove( IERC20Upgradeable token, address spender, uint256 value ) internal { // safeApprove should only be called when setting an initial allowance, // or when resetting it to zero. To increase and decrease it, use // 'safeIncreaseAllowance' and 'safeDecreaseAllowance' 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( IERC20Upgradeable 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( IERC20Upgradeable 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)); } } /** * @dev Imitates a Solidity high-level call (i.e. a regular function call to a contract), relaxing the requirement * on the return value: the return value is optional (but if data is returned, it must not be false). * @param token The token targeted by the call. * @param data The call data (encoded using abi.encode or one of its variants). */ function _callOptionalReturn(IERC20Upgradeable token, bytes memory data) private { // We need to perform a low level call here, to bypass Solidity's return data size checking mechanism, since // we're implementing it ourselves. We use {Address.functionCall} to perform this call, which verifies that // the target address contains contract code and also asserts for success in the low-level call. bytes memory returndata = address(token).functionCall(data, "SafeERC20: low-level call failed"); if (returndata.length > 0) { // Return data is optional require(abi.decode(returndata, (bool)), "SafeERC20: ERC20 operation did not succeed"); } } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (utils/math/Math.sol) pragma solidity ^0.8.0; /** * @dev Standard math utilities missing in the Solidity language. */ library MathUpgradeable { /** * @dev Returns the largest of two numbers. */ function max(uint256 a, uint256 b) internal pure returns (uint256) { return a >= b ? a : b; } /** * @dev Returns the smallest of two numbers. */ function min(uint256 a, uint256 b) internal pure returns (uint256) { return a < b ? a : b; } /** * @dev Returns the average of two numbers. The result is rounded towards * zero. */ function average(uint256 a, uint256 b) internal pure returns (uint256) { // (a + b) / 2 can overflow. return (a & b) + (a ^ b) / 2; } /** * @dev Returns the ceiling of the division of two numbers. * * This differs from standard division with `/` in that it rounds up instead * of rounding down. */ function ceilDiv(uint256 a, uint256 b) internal pure returns (uint256) { // (a + b - 1) / b can overflow on addition, so we distribute. return a / b + (a % b == 0 ? 0 : 1); } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (access/Ownable.sol) pragma solidity ^0.8.0; import "../utils/ContextUpgradeable.sol"; import "../proxy/utils/Initializable.sol"; /** * @dev Contract module which provides a basic access control mechanism, where * there is an account (an owner) that can be granted exclusive access to * specific functions. * * By default, the owner account will be the one that deploys the contract. This * can later be changed with {transferOwnership}. * * This module is used through inheritance. It will make available the modifier * `onlyOwner`, which can be applied to your functions to restrict their use to * the owner. */ abstract contract OwnableUpgradeable is Initializable, ContextUpgradeable { address private _owner; event OwnershipTransferred(address indexed previousOwner, address indexed newOwner); /** * @dev Initializes the contract setting the deployer as the initial owner. */ function __Ownable_init() internal onlyInitializing { __Context_init_unchained(); __Ownable_init_unchained(); } function __Ownable_init_unchained() internal onlyInitializing { _transferOwnership(_msgSender()); } /** * @dev Returns the address of the current owner. */ function owner() public view virtual returns (address) { return _owner; } /** * @dev Throws if called by any account other than the owner. */ modifier onlyOwner() { require(owner() == _msgSender(), "Ownable: caller is not the owner"); _; } /** * @dev Leaves the contract without owner. It will not be possible to call * `onlyOwner` functions anymore. Can only be called by the current owner. * * NOTE: Renouncing ownership will leave the contract without an owner, * thereby removing any functionality that is only available to the owner. */ function renounceOwnership() public virtual onlyOwner { _transferOwnership(address(0)); } /** * @dev Transfers ownership of the contract to a new account (`newOwner`). * Can only be called by the current owner. */ function transferOwnership(address newOwner) public virtual onlyOwner { require(newOwner != address(0), "Ownable: new owner is the zero address"); _transferOwnership(newOwner); } /** * @dev Transfers ownership of the contract to a new account (`newOwner`). * Internal function without access restriction. */ function _transferOwnership(address newOwner) internal virtual { address oldOwner = _owner; _owner = newOwner; emit OwnershipTransferred(oldOwner, newOwner); } uint256[49] private __gap; }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (proxy/utils/Initializable.sol) pragma solidity ^0.8.0; import "../../utils/AddressUpgradeable.sol"; /** * @dev This is a base contract to aid in writing upgradeable contracts, or any kind of contract that will be deployed * behind a proxy. Since a proxied contract can't have a constructor, it's common to move constructor logic to an * external initializer function, usually called `initialize`. It then becomes necessary to protect this initializer * function so it can only be called once. The {initializer} modifier provided by this contract will have this effect. * * TIP: To avoid leaving the proxy in an uninitialized state, the initializer function should be called as early as * possible by providing the encoded function call as the `_data` argument to {ERC1967Proxy-constructor}. * * CAUTION: When used with inheritance, manual care must be taken to not invoke a parent initializer twice, or to ensure * that all initializers are idempotent. This is not verified automatically as constructors are by Solidity. * * [CAUTION] * ==== * Avoid leaving a contract uninitialized. * * An uninitialized contract can be taken over by an attacker. This applies to both a proxy and its implementation * contract, which may impact the proxy. To initialize the implementation contract, you can either invoke the * initializer manually, or you can include a constructor to automatically mark it as initialized when it is deployed: * * [.hljs-theme-light.nopadding] * ``` * /// @custom:oz-upgrades-unsafe-allow constructor * constructor() initializer {} * ``` * ==== */ abstract contract Initializable { /** * @dev Indicates that the contract has been initialized. */ bool private _initialized; /** * @dev Indicates that the contract is in the process of being initialized. */ bool private _initializing; /** * @dev Modifier to protect an initializer function from being invoked twice. */ modifier initializer() { // If the contract is initializing we ignore whether _initialized is set in order to support multiple // inheritance patterns, but we only do this in the context of a constructor, because in other contexts the // contract may have been reentered. require(_initializing ? _isConstructor() : !_initialized, "Initializable: contract is already initialized"); bool isTopLevelCall = !_initializing; if (isTopLevelCall) { _initializing = true; _initialized = true; } _; if (isTopLevelCall) { _initializing = false; } } /** * @dev Modifier to protect an initialization function so that it can only be invoked by functions with the * {initializer} modifier, directly or indirectly. */ modifier onlyInitializing() { require(_initializing, "Initializable: contract is not initializing"); _; } function _isConstructor() private view returns (bool) { return !AddressUpgradeable.isContract(address(this)); } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (utils/math/SafeMath.sol) pragma solidity ^0.8.0; // CAUTION // This version of SafeMath should only be used with Solidity 0.8 or later, // because it relies on the compiler's built in overflow checks. /** * @dev Wrappers over Solidity's arithmetic operations. * * NOTE: `SafeMath` is generally not needed starting with Solidity 0.8, since the compiler * now has built in overflow checking. */ library SafeMathUpgradeable { /** * @dev Returns the addition of two unsigned integers, with an overflow flag. * * _Available since v3.4._ */ function tryAdd(uint256 a, uint256 b) internal pure returns (bool, uint256) { unchecked { uint256 c = a + b; if (c < a) return (false, 0); return (true, c); } } /** * @dev Returns the substraction of two unsigned integers, with an overflow flag. * * _Available since v3.4._ */ function trySub(uint256 a, uint256 b) internal pure returns (bool, uint256) { unchecked { if (b > a) return (false, 0); return (true, a - b); } } /** * @dev Returns the multiplication of two unsigned integers, with an overflow flag. * * _Available since v3.4._ */ function tryMul(uint256 a, uint256 b) internal pure returns (bool, uint256) { unchecked { // Gas optimization: this is cheaper than requiring 'a' not being zero, but the // benefit is lost if 'b' is also tested. // See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522 if (a == 0) return (true, 0); uint256 c = a * b; if (c / a != b) return (false, 0); return (true, c); } } /** * @dev Returns the division of two unsigned integers, with a division by zero flag. * * _Available since v3.4._ */ function tryDiv(uint256 a, uint256 b) internal pure returns (bool, uint256) { unchecked { if (b == 0) return (false, 0); return (true, a / b); } } /** * @dev Returns the remainder of dividing two unsigned integers, with a division by zero flag. * * _Available since v3.4._ */ function tryMod(uint256 a, uint256 b) internal pure returns (bool, uint256) { unchecked { if (b == 0) return (false, 0); return (true, a % b); } } /** * @dev Returns the addition of two unsigned integers, reverting on * overflow. * * Counterpart to Solidity's `+` operator. * * Requirements: * * - Addition cannot overflow. */ function add(uint256 a, uint256 b) internal pure returns (uint256) { return a + b; } /** * @dev Returns the subtraction of two unsigned integers, reverting on * overflow (when the result is negative). * * Counterpart to Solidity's `-` operator. * * Requirements: * * - Subtraction cannot overflow. */ function sub(uint256 a, uint256 b) internal pure returns (uint256) { return a - b; } /** * @dev Returns the multiplication of two unsigned integers, reverting on * overflow. * * Counterpart to Solidity's `*` operator. * * Requirements: * * - Multiplication cannot overflow. */ function mul(uint256 a, uint256 b) internal pure returns (uint256) { return a * b; } /** * @dev Returns the integer division of two unsigned integers, reverting on * division by zero. The result is rounded towards zero. * * Counterpart to Solidity's `/` operator. * * Requirements: * * - The divisor cannot be zero. */ function div(uint256 a, uint256 b) internal pure returns (uint256) { return a / b; } /** * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo), * reverting when dividing by zero. * * Counterpart to Solidity's `%` operator. This function uses a `revert` * opcode (which leaves remaining gas untouched) while Solidity uses an * invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. */ function mod(uint256 a, uint256 b) internal pure returns (uint256) { return a % b; } /** * @dev Returns the subtraction of two unsigned integers, reverting with custom message on * overflow (when the result is negative). * * CAUTION: This function is deprecated because it requires allocating memory for the error * message unnecessarily. For custom revert reasons use {trySub}. * * Counterpart to Solidity's `-` operator. * * Requirements: * * - Subtraction cannot overflow. */ function sub( uint256 a, uint256 b, string memory errorMessage ) internal pure returns (uint256) { unchecked { require(b <= a, errorMessage); return a - b; } } /** * @dev Returns the integer division of two unsigned integers, reverting with custom message on * division by zero. The result is rounded towards zero. * * Counterpart to Solidity's `/` operator. Note: this function uses a * `revert` opcode (which leaves remaining gas untouched) while Solidity * uses an invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. */ function div( uint256 a, uint256 b, string memory errorMessage ) internal pure returns (uint256) { unchecked { require(b > 0, errorMessage); return a / b; } } /** * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo), * reverting with custom message when dividing by zero. * * CAUTION: This function is deprecated because it requires allocating memory for the error * message unnecessarily. For custom revert reasons use {tryMod}. * * Counterpart to Solidity's `%` operator. This function uses a `revert` * opcode (which leaves remaining gas untouched) while Solidity uses an * invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. */ function mod( uint256 a, uint256 b, string memory errorMessage ) internal pure returns (uint256) { unchecked { require(b > 0, errorMessage); return a % b; } } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (token/ERC20/IERC20.sol) pragma solidity ^0.8.0; /** * @dev Interface of the ERC20 standard as defined in the EIP. */ interface IERC20Upgradeable { /** * @dev Returns the amount of tokens in existence. */ function totalSupply() external view returns (uint256); /** * @dev Returns the amount of tokens owned by `account`. */ function balanceOf(address account) external view returns (uint256); /** * @dev Moves `amount` tokens from the caller's account to `recipient`. * * Returns a boolean value indicating whether the operation succeeded. * * Emits a {Transfer} event. */ function transfer(address recipient, uint256 amount) external returns (bool); /** * @dev Returns the remaining number of tokens that `spender` will be * allowed to spend on behalf of `owner` through {transferFrom}. This is * zero by default. * * This value changes when {approve} or {transferFrom} are called. */ function allowance(address owner, address spender) external view returns (uint256); /** * @dev Sets `amount` as the allowance of `spender` over the caller's tokens. * * Returns a boolean value indicating whether the operation succeeded. * * IMPORTANT: Beware that changing an allowance with this method brings the risk * that someone may use both the old and the new allowance by unfortunate * transaction ordering. One possible solution to mitigate this race * condition is to first reduce the spender's allowance to 0 and set the * desired value afterwards: * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729 * * Emits an {Approval} event. */ function approve(address spender, uint256 amount) external returns (bool); /** * @dev Moves `amount` tokens from `sender` to `recipient` using the * allowance mechanism. `amount` is then deducted from the caller's * allowance. * * Returns a boolean value indicating whether the operation succeeded. * * Emits a {Transfer} event. */ function transferFrom( address sender, address recipient, uint256 amount ) external returns (bool); /** * @dev Emitted when `value` tokens are moved from one account (`from`) to * another (`to`). * * Note that `value` may be zero. */ event Transfer(address indexed from, address indexed to, uint256 value); /** * @dev Emitted when the allowance of a `spender` for an `owner` is set by * a call to {approve}. `value` is the new allowance. */ event Approval(address indexed owner, address indexed spender, uint256 value); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (security/Pausable.sol) pragma solidity ^0.8.0; import "../utils/ContextUpgradeable.sol"; import "../proxy/utils/Initializable.sol"; /** * @dev Contract module which allows children to implement an emergency stop * mechanism that can be triggered by an authorized account. * * This module is used through inheritance. It will make available the * modifiers `whenNotPaused` and `whenPaused`, which can be applied to * the functions of your contract. Note that they will not be pausable by * simply including this module, only once the modifiers are put in place. */ abstract contract PausableUpgradeable is Initializable, ContextUpgradeable { /** * @dev Emitted when the pause is triggered by `account`. */ event Paused(address account); /** * @dev Emitted when the pause is lifted by `account`. */ event Unpaused(address account); bool private _paused; /** * @dev Initializes the contract in unpaused state. */ function __Pausable_init() internal onlyInitializing { __Context_init_unchained(); __Pausable_init_unchained(); } function __Pausable_init_unchained() internal onlyInitializing { _paused = false; } /** * @dev Returns true if the contract is paused, and false otherwise. */ function paused() public view virtual returns (bool) { return _paused; } /** * @dev Modifier to make a function callable only when the contract is not paused. * * Requirements: * * - The contract must not be paused. */ modifier whenNotPaused() { require(!paused(), "Pausable: paused"); _; } /** * @dev Modifier to make a function callable only when the contract is paused. * * Requirements: * * - The contract must be paused. */ modifier whenPaused() { require(paused(), "Pausable: not paused"); _; } /** * @dev Triggers stopped state. * * Requirements: * * - The contract must not be paused. */ function _pause() internal virtual whenNotPaused { _paused = true; emit Paused(_msgSender()); } /** * @dev Returns to normal state. * * Requirements: * * - The contract must be paused. */ function _unpause() internal virtual whenPaused { _paused = false; emit Unpaused(_msgSender()); } uint256[49] private __gap; }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (proxy/Clones.sol) pragma solidity ^0.8.0; /** * @dev https://eips.ethereum.org/EIPS/eip-1167[EIP 1167] is a standard for * deploying minimal proxy contracts, also known as "clones". * * > To simply and cheaply clone contract functionality in an immutable way, this standard specifies * > a minimal bytecode implementation that delegates all calls to a known, fixed address. * * The library includes functions to deploy a proxy using either `create` (traditional deployment) or `create2` * (salted deterministic deployment). It also includes functions to predict the addresses of clones deployed using the * deterministic method. * * _Available since v3.4._ */ library Clones { /** * @dev Deploys and returns the address of a clone that mimics the behaviour of `implementation`. * * This function uses the create opcode, which should never revert. */ function clone(address implementation) internal returns (address instance) { assembly { let ptr := mload(0x40) mstore(ptr, 0x3d602d80600a3d3981f3363d3d373d3d3d363d73000000000000000000000000) mstore(add(ptr, 0x14), shl(0x60, implementation)) mstore(add(ptr, 0x28), 0x5af43d82803e903d91602b57fd5bf30000000000000000000000000000000000) instance := create(0, ptr, 0x37) } require(instance != address(0), "ERC1167: create failed"); } /** * @dev Deploys and returns the address of a clone that mimics the behaviour of `implementation`. * * This function uses the create2 opcode and a `salt` to deterministically deploy * the clone. Using the same `implementation` and `salt` multiple time will revert, since * the clones cannot be deployed twice at the same address. */ function cloneDeterministic(address implementation, bytes32 salt) internal returns (address instance) { assembly { let ptr := mload(0x40) mstore(ptr, 0x3d602d80600a3d3981f3363d3d373d3d3d363d73000000000000000000000000) mstore(add(ptr, 0x14), shl(0x60, implementation)) mstore(add(ptr, 0x28), 0x5af43d82803e903d91602b57fd5bf30000000000000000000000000000000000) instance := create2(0, ptr, 0x37, salt) } require(instance != address(0), "ERC1167: create2 failed"); } /** * @dev Computes the address of a clone deployed using {Clones-cloneDeterministic}. */ function predictDeterministicAddress( address implementation, bytes32 salt, address deployer ) internal pure returns (address predicted) { assembly { let ptr := mload(0x40) mstore(ptr, 0x3d602d80600a3d3981f3363d3d373d3d3d363d73000000000000000000000000) mstore(add(ptr, 0x14), shl(0x60, implementation)) mstore(add(ptr, 0x28), 0x5af43d82803e903d91602b57fd5bf3ff00000000000000000000000000000000) mstore(add(ptr, 0x38), shl(0x60, deployer)) mstore(add(ptr, 0x4c), salt) mstore(add(ptr, 0x6c), keccak256(ptr, 0x37)) predicted := keccak256(add(ptr, 0x37), 0x55) } } /** * @dev Computes the address of a clone deployed using {Clones-cloneDeterministic}. */ function predictDeterministicAddress(address implementation, bytes32 salt) internal view returns (address predicted) { return predictDeterministicAddress(implementation, salt, address(this)); } }
// SPDX-License-Identifier: MIT pragma solidity >=0.5.16; interface IThalesAMM { enum Position {Up, Down} function manager() external view returns (address); function availableToBuyFromAMM(address market, Position position) external view returns (uint); function impliedVolatilityPerAsset(bytes32 oracleKey) external view returns(uint); function buyFromAmmQuote( address market, Position position, uint amount ) external view returns (uint); function buyFromAMM( address market, Position position, uint amount, uint expectedPayout, uint additionalSlippage ) external; function availableToSellToAMM(address market, Position position) external view returns (uint); function sellToAmmQuote( address market, Position position, uint amount ) external view returns (uint); function sellToAMM( address market, Position position, uint amount, uint expectedPayout, uint additionalSlippage ) external; function isMarketInAMMTrading(address market) external view returns (bool); }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; /** * @dev Contract module that helps prevent reentrant calls to a function. * * Inheriting from `ReentrancyGuard` will make the `nonReentrant` modifier * available, which can be aplied to functions to make sure there are no nested * (reentrant) calls to them. * * Note that because there is a single `nonReentrant` guard, functions marked as * `nonReentrant` may not call one another. This can be worked around by making * those functions `private`, and then adding `external` `nonReentrant` entry * points to them. */ contract ProxyReentrancyGuard { /// @dev counter to allow mutex lock with only one SSTORE operation uint256 private _guardCounter; bool private _initialized; function initNonReentrant() public { require(!_initialized, "Already initialized"); _initialized = true; _guardCounter = 1; } /** * @dev Prevents a contract from calling itself, directly or indirectly. * Calling a `nonReentrant` function from another `nonReentrant` * function is not supported. It is possible to prevent this from happening * by making the `nonReentrant` function external, and make it call a * `private` function that does the actual work. */ modifier nonReentrant() { _guardCounter += 1; uint256 localCounter = _guardCounter; _; require(localCounter == _guardCounter, "ReentrancyGuard: reentrant call"); } }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; // Clone of syntetix contract without constructor contract ProxyOwned { address public owner; address public nominatedOwner; bool private _initialized; bool private _transferredAtInit; function setOwner(address _owner) public { require(_owner != address(0), "Owner address cannot be 0"); require(!_initialized, "Already initialized, use nominateNewOwner"); _initialized = true; owner = _owner; emit OwnerChanged(address(0), _owner); } function nominateNewOwner(address _owner) external onlyOwner { nominatedOwner = _owner; emit OwnerNominated(_owner); } function acceptOwnership() external { require(msg.sender == nominatedOwner, "You must be nominated before you can accept ownership"); emit OwnerChanged(owner, nominatedOwner); owner = nominatedOwner; nominatedOwner = address(0); } function transferOwnershipAtInit(address proxyAddress) external onlyOwner { require(proxyAddress != address(0), "Invalid address"); require(!_transferredAtInit, "Already transferred"); owner = proxyAddress; _transferredAtInit = true; emit OwnerChanged(owner, proxyAddress); } modifier onlyOwner { _onlyOwner(); _; } function _onlyOwner() private view { require(msg.sender == owner, "Only the contract owner may perform this action"); } event OwnerNominated(address newOwner); event OwnerChanged(address oldOwner, address newOwner); }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; // Inheritance import "./ProxyOwned.sol"; // Clone of syntetix contract without constructor contract ProxyPausable is ProxyOwned { uint public lastPauseTime; bool public paused; /** * @notice Change the paused state of the contract * @dev Only the contract owner may call this. */ function setPaused(bool _paused) external onlyOwner { // Ensure we're actually changing the state before we do anything if (_paused == paused) { return; } // Set our paused state. paused = _paused; // If applicable, set the last pause time. if (paused) { lastPauseTime = block.timestamp; } // Let everyone know that our pause state has changed. emit PauseChanged(paused); } event PauseChanged(bool isPaused); modifier notPaused { require(!paused, "This action cannot be performed while the contract is paused"); _; } }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; library AddressSetLib { struct AddressSet { address[] elements; mapping(address => uint) indices; } function contains(AddressSet storage set, address candidate) internal view returns (bool) { if (set.elements.length == 0) { return false; } uint index = set.indices[candidate]; return index != 0 || set.elements[0] == candidate; } function getPage( AddressSet storage set, uint index, uint pageSize ) internal view returns (address[] memory) { // NOTE: This implementation should be converted to slice operators if the compiler is updated to v0.6.0+ uint endIndex = index + pageSize; // The check below that endIndex <= index handles overflow. // If the page extends past the end of the list, truncate it. if (endIndex > set.elements.length) { endIndex = set.elements.length; } if (endIndex <= index) { return new address[](0); } uint n = endIndex - index; // We already checked for negative overflow. address[] memory page = new address[](n); for (uint i; i < n; i++) { page[i] = set.elements[i + index]; } return page; } function add(AddressSet storage set, address element) internal { // Adding to a set is an idempotent operation. if (!contains(set, element)) { set.indices[element] = set.elements.length; set.elements.push(element); } } function remove(AddressSet storage set, address element) internal { require(contains(set, element), "Element not in set."); // Replace the removed element with the last element of the list. uint index = set.indices[element]; uint lastIndex = set.elements.length - 1; // We required that element is in the list, so it is not empty. if (index != lastIndex) { // No need to shift the last element if it is the one we want to delete. address shiftedElement = set.elements[lastIndex]; set.elements[index] = shiftedElement; set.indices[shiftedElement] = index; } set.elements.pop(); delete set.indices[element]; } }
// SPDX-License-Identifier: MIT pragma solidity >=0.5.16; interface IStakingThales { function updateVolume(address account, uint amount) external; /* ========== VIEWS / VARIABLES ========== */ function totalStakedAmount() external view returns (uint); function stakedBalanceOf(address account) external view returns (uint); function currentPeriodRewards() external view returns (uint); function currentPeriodFees() external view returns (uint); function getLastPeriodOfClaimedRewards(address account) external view returns (uint); function getRewardsAvailable(address account) external view returns (uint); function getRewardFeesAvailable(address account) external view returns (uint); function getAlreadyClaimedRewards(address account) external view returns (uint); function getContractRewardFunds() external view returns (uint); function getContractFeeFunds() external view returns (uint); }
// SPDX-License-Identifier: MIT pragma solidity >=0.5.16; interface IReferrals { function referrals(address) external view returns (address); function sportReferrals(address) external view returns (address); function setReferrer(address, address) external; }
// SPDX-License-Identifier: MIT pragma solidity >=0.5.16; interface ICurveSUSD { function exchange_underlying( int128 i, int128 j, uint256 _dx, uint256 _min_dy ) external returns (uint256); function get_dy_underlying( int128 i, int128 j, uint256 _dx ) external view returns (uint256); // @notice Perform an exchange between two underlying coins // @param i Index value for the underlying coin to send // @param j Index valie of the underlying coin to receive // @param _dx Amount of `i` being exchanged // @param _min_dy Minimum amount of `j` to receive // @param _receiver Address that receives `j` // @return Actual amount of `j` received // indexes: // 0 = sUSD 18 dec 0x8c6f28f2F1A3C87F0f938b96d27520d9751ec8d9 // 1= DAI 18 dec 0xDA10009cBd5D07dd0CeCc66161FC93D7c9000da1 // 2= USDC 6 dec 0x7F5c764cBc14f9669B88837ca1490cCa17c31607 // 3= USDT 6 dec 0x94b008aA00579c1307B0EF2c499aD98a8ce58e58 }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (utils/Address.sol) pragma solidity ^0.8.0; /** * @dev Collection of functions related to the address type */ library AddressUpgradeable { /** * @dev Returns true if `account` is a contract. * * [IMPORTANT] * ==== * It is unsafe to assume that an address for which this function returns * false is an externally-owned account (EOA) and not a contract. * * Among others, `isContract` will return false for the following * types of addresses: * * - an externally-owned account * - a contract in construction * - an address where a contract will be created * - an address where a contract lived, but was destroyed * ==== */ function isContract(address account) internal view returns (bool) { // This method relies on extcodesize, which returns 0 for contracts in // construction, since the code is only stored at the end of the // constructor execution. uint256 size; assembly { size := extcodesize(account) } return size > 0; } /** * @dev Replacement for Solidity's `transfer`: sends `amount` wei to * `recipient`, forwarding all available gas and reverting on errors. * * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost * of certain opcodes, possibly making contracts go over the 2300 gas limit * imposed by `transfer`, making them unable to receive funds via * `transfer`. {sendValue} removes this limitation. * * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more]. * * IMPORTANT: because control is transferred to `recipient`, care must be * taken to not create reentrancy vulnerabilities. Consider using * {ReentrancyGuard} or the * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern]. */ 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"); } /** * @dev Performs a Solidity function call using a low level `call`. A * plain `call` is an unsafe replacement for a function call: use this * function instead. * * If `target` reverts with a revert reason, it is bubbled up by this * function (like regular Solidity function calls). * * Returns the raw returned data. To convert to the expected return value, * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`]. * * Requirements: * * - `target` must be a contract. * - calling `target` with `data` must not revert. * * _Available since v3.1._ */ function functionCall(address target, bytes memory data) internal returns (bytes memory) { return functionCall(target, data, "Address: low-level call failed"); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with * `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ */ function functionCall( address target, bytes memory data, string memory errorMessage ) internal returns (bytes memory) { return functionCallWithValue(target, data, 0, errorMessage); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but also transferring `value` wei to `target`. * * Requirements: * * - the calling contract must have an ETH balance of at least `value`. * - the called Solidity function must be `payable`. * * _Available since v3.1._ */ 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"); } /** * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but * with `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ */ 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"); require(isContract(target), "Address: call to non-contract"); (bool success, bytes memory returndata) = target.call{value: value}(data); return verifyCallResult(success, returndata, errorMessage); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but performing a static call. * * _Available since v3.3._ */ function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) { return functionStaticCall(target, data, "Address: low-level static call failed"); } /** * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`], * but performing a static call. * * _Available since v3.3._ */ function functionStaticCall( address target, bytes memory data, string memory errorMessage ) internal view returns (bytes memory) { require(isContract(target), "Address: static call to non-contract"); (bool success, bytes memory returndata) = target.staticcall(data); return verifyCallResult(success, returndata, errorMessage); } /** * @dev Tool to verifies that a low level call was successful, and revert if it wasn't, either by bubbling the * revert reason using the provided one. * * _Available since v4.3._ */ function verifyCallResult( bool success, bytes memory returndata, string memory errorMessage ) internal pure returns (bytes memory) { if (success) { return returndata; } else { // Look for revert reason and bubble it up if present if (returndata.length > 0) { // The easiest way to bubble the revert reason is using memory via assembly assembly { let returndata_size := mload(returndata) revert(add(32, returndata), returndata_size) } } else { revert(errorMessage); } } } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (utils/Context.sol) pragma solidity ^0.8.0; import "../proxy/utils/Initializable.sol"; /** * @dev Provides information about the current execution context, including the * sender of the transaction and its data. While these are generally available * via msg.sender and msg.data, they should not be accessed in such a direct * manner, since when dealing with meta-transactions the account sending and * paying for execution may not be the actual sender (as far as an application * is concerned). * * This contract is only required for intermediate, library-like contracts. */ abstract contract ContextUpgradeable is Initializable { function __Context_init() internal onlyInitializing { __Context_init_unchained(); } 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; }
{ "optimizer": { "enabled": true, "runs": 200 }, "outputSelection": { "*": { "*": [ "evm.bytecode", "evm.deployedBytecode", "devdoc", "userdoc", "metadata", "abi" ] } }, "libraries": {} }
Contract Security Audit
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Contract ABI
API[{"inputs":[],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"burner","type":"address"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"},{"indexed":false,"internalType":"enum RangedMarket.Position","name":"_position","type":"uint8"}],"name":"Burn","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"exerciser","type":"address"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"},{"indexed":false,"internalType":"enum RangedMarket.Position","name":"_position","type":"uint8"}],"name":"Exercised","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"minter","type":"address"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"},{"indexed":false,"internalType":"enum RangedMarket.Position","name":"_position","type":"uint8"}],"name":"Mint","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"enum RangedMarket.Position","name":"winningPosition","type":"uint8"},{"indexed":false,"internalType":"uint256","name":"finalPrice","type":"uint256"}],"name":"Resolved","type":"event"},{"inputs":[{"internalType":"uint256","name":"value","type":"uint256"},{"internalType":"address","name":"claimant","type":"address"}],"name":"burnIn","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"value","type":"uint256"},{"internalType":"address","name":"claimant","type":"address"}],"name":"burnOut","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"canExercisePositions","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"canResolve","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"exercisePositions","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_leftMarket","type":"address"},{"internalType":"address","name":"_rightMarket","type":"address"},{"internalType":"address","name":"_in","type":"address"},{"internalType":"address","name":"_out","type":"address"},{"internalType":"address","name":"_rangedMarketsAMM","type":"address"}],"name":"initialize","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"initialized","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"leftMarket","outputs":[{"internalType":"contract IPositionalMarket","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"value","type":"uint256"},{"internalType":"enum RangedMarket.Position","name":"_position","type":"uint8"},{"internalType":"address","name":"minter","type":"address"}],"name":"mint","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"positions","outputs":[{"internalType":"contract RangedPosition","name":"inp","type":"address"},{"internalType":"contract RangedPosition","name":"outp","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"rangedMarketsAMM","outputs":[{"internalType":"contract RangedMarketsAMM","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"resolveMarket","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"resolved","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"result","outputs":[{"internalType":"enum RangedMarket.Position","name":"resultToReturn","type":"uint8"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"rightMarket","outputs":[{"internalType":"contract IPositionalMarket","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"recipient","type":"address"}],"name":"withdrawCollateral","outputs":[],"stateMutability":"nonpayable","type":"function"}]
Contract Creation Code
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A contract address hosts a smart contract, which is a set of code stored on the blockchain that runs when predetermined conditions are met. Learn more about addresses in our Knowledge Base.