interface ICollateral {

	/*** Impermax ERC20 ***/
	
	event Transfer(address indexed from, address indexed to, uint value);
	event Approval(address indexed owner, address indexed spender, uint value);
	
	function name() external pure returns (string memory);
	function symbol() external pure returns (string memory);
	function decimals() external pure returns (uint8);
	function totalSupply() external view returns (uint);
	function balanceOf(address owner) external view returns (uint);
	function allowance(address owner, address spender) external view returns (uint);
	function approve(address spender, uint value) external returns (bool);
	function transfer(address to, uint value) external returns (bool);
	function transferFrom(address from, address to, uint value) external returns (bool);
	
	function DOMAIN_SEPARATOR() external view returns (bytes32);
	function PERMIT_TYPEHASH() external pure returns (bytes32);
	function nonces(address owner) external view returns (uint);
	function permit(address owner, address spender, uint value, uint deadline, uint8 v, bytes32 r, bytes32 s) external;
	
	/*** Pool Token ***/
	
	event Mint(address indexed sender, address indexed minter, uint mintAmount, uint mintTokens);
	event Redeem(address indexed sender, address indexed redeemer, uint redeemAmount, uint redeemTokens);
	event Sync(uint totalBalance);
	
	function underlying() external view returns (address);
	function factory() external view returns (address);
	function totalBalance() external view returns (uint);
	function MINIMUM_LIQUIDITY() external pure returns (uint);

	function exchangeRate() external returns (uint);
	function mint(address minter) external returns (uint mintTokens);
	function redeem(address redeemer) external returns (uint redeemAmount);
	function skim(address to) external;
	function sync() external;
	
	function _setFactory() external;
	
	/*** Collateral ***/
	
	function borrowable0() external view returns (address);
	function borrowable1() external view returns (address);
	function simpleUniswapOracle() external view returns (address);
	function safetyMarginSqrt() external view returns (uint);
	function liquidationIncentive() external view returns (uint);
	
	function getPrices() external returns (uint price0, uint price1);
	function tokensUnlocked(address from, uint value) external returns (bool);
	function accountLiquidityAmounts(address account, uint amount0, uint amount1) external returns (uint liquidity, uint shortfall);
	function accountLiquidity(address account) external returns (uint liquidity, uint shortfall);
	function canBorrow(address account, address borrowable, uint accountBorrows) external returns (bool);
	function seize(address liquidator, address borrower, uint repayAmount) external returns (uint seizeTokens);
	function flashRedeem(address redeemer, uint redeemAmount, bytes calldata data) external;
	
	/*** Collateral Setter ***/
	
	event NewSafetyMargin(uint newSafetyMarginSqrt);
	event NewLiquidationIncentive(uint newLiquidationIncentive);

	function SAFETY_MARGIN_SQRT_MIN() external pure returns (uint);
	function SAFETY_MARGIN_SQRT_MAX() external pure returns (uint);
	function LIQUIDATION_INCENTIVE_MIN() external pure returns (uint);
	function LIQUIDATION_INCENTIVE_MAX() external pure returns (uint);
	
	function _initialize (
		string calldata _name, 
		string calldata _symbol,
		address _underlying, 
		address _borrowable0, 
		address _borrowable1
	) external;
	function _setSafetyMarginSqrt(uint newSafetyMarginSqrt) external;
	function _setLiquidationIncentive(uint newLiquidationIncentive) external;
}
function borrowable0() external view returns (address);

/*** Collateral ***/