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ErrorReporter.sol
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pragma solidity ^0.4.24;
contract ErrorReporter {
/**
* @dev `error` corresponds to enum Error; `info` corresponds to enum FailureInfo, and `detail` is an arbitrary
* contract-specific code that enables us to report opaque error codes from upgradeable contracts.
**/
event Failure(uint error, uint info, uint detail);
enum Error {
NO_ERROR,
OPAQUE_ERROR, // To be used when reporting errors from upgradeable contracts; the opaque code should be given as `detail` in the `Failure` event
UNAUTHORIZED,
INTEGER_OVERFLOW,
INTEGER_UNDERFLOW,
DIVISION_BY_ZERO,
BAD_INPUT,
TOKEN_INSUFFICIENT_ALLOWANCE,
TOKEN_INSUFFICIENT_BALANCE,
TOKEN_TRANSFER_FAILED,
MARKET_NOT_SUPPORTED,
SUPPLY_RATE_CALCULATION_FAILED,
BORROW_RATE_CALCULATION_FAILED,
TOKEN_INSUFFICIENT_CASH,
TOKEN_TRANSFER_OUT_FAILED,
INSUFFICIENT_LIQUIDITY,
INSUFFICIENT_BALANCE,
INVALID_COLLATERAL_RATIO,
MISSING_ASSET_PRICE,
EQUITY_INSUFFICIENT_BALANCE,
INVALID_CLOSE_AMOUNT_REQUESTED,
ASSET_NOT_PRICED,
INVALID_LIQUIDATION_DISCOUNT,
INVALID_COMBINED_RISK_PARAMETERS,
ZERO_ORACLE_ADDRESS,
CONTRACT_PAUSED
}
/*
* Note: FailureInfo (but not Error) is kept in alphabetical order
* This is because FailureInfo grows significantly faster, and
* the order of Error has some meaning, while the order of FailureInfo
* is entirely arbitrary.
*/
enum FailureInfo {
ACCEPT_ADMIN_PENDING_ADMIN_CHECK,
BORROW_ACCOUNT_LIQUIDITY_CALCULATION_FAILED,
BORROW_ACCOUNT_SHORTFALL_PRESENT,
BORROW_ACCUMULATED_BALANCE_CALCULATION_FAILED,
BORROW_AMOUNT_LIQUIDITY_SHORTFALL,
BORROW_AMOUNT_VALUE_CALCULATION_FAILED,
BORROW_CONTRACT_PAUSED,
BORROW_MARKET_NOT_SUPPORTED,
BORROW_NEW_BORROW_INDEX_CALCULATION_FAILED,
BORROW_NEW_BORROW_RATE_CALCULATION_FAILED,
BORROW_NEW_SUPPLY_INDEX_CALCULATION_FAILED,
BORROW_NEW_SUPPLY_RATE_CALCULATION_FAILED,
BORROW_NEW_TOTAL_BALANCE_CALCULATION_FAILED,
BORROW_NEW_TOTAL_BORROW_CALCULATION_FAILED,
BORROW_NEW_TOTAL_CASH_CALCULATION_FAILED,
BORROW_ORIGINATION_FEE_CALCULATION_FAILED,
BORROW_TRANSFER_OUT_FAILED,
EQUITY_WITHDRAWAL_AMOUNT_VALIDATION,
EQUITY_WITHDRAWAL_CALCULATE_EQUITY,
EQUITY_WITHDRAWAL_MODEL_OWNER_CHECK,
EQUITY_WITHDRAWAL_TRANSFER_OUT_FAILED,
LIQUIDATE_ACCUMULATED_BORROW_BALANCE_CALCULATION_FAILED,
LIQUIDATE_ACCUMULATED_SUPPLY_BALANCE_CALCULATION_FAILED_BORROWER_COLLATERAL_ASSET,
LIQUIDATE_ACCUMULATED_SUPPLY_BALANCE_CALCULATION_FAILED_LIQUIDATOR_COLLATERAL_ASSET,
LIQUIDATE_AMOUNT_SEIZE_CALCULATION_FAILED,
LIQUIDATE_BORROW_DENOMINATED_COLLATERAL_CALCULATION_FAILED,
LIQUIDATE_CLOSE_AMOUNT_TOO_HIGH,
LIQUIDATE_CONTRACT_PAUSED,
LIQUIDATE_DISCOUNTED_REPAY_TO_EVEN_AMOUNT_CALCULATION_FAILED,
LIQUIDATE_NEW_BORROW_INDEX_CALCULATION_FAILED_BORROWED_ASSET,
LIQUIDATE_NEW_BORROW_INDEX_CALCULATION_FAILED_COLLATERAL_ASSET,
LIQUIDATE_NEW_BORROW_RATE_CALCULATION_FAILED_BORROWED_ASSET,
LIQUIDATE_NEW_SUPPLY_INDEX_CALCULATION_FAILED_BORROWED_ASSET,
LIQUIDATE_NEW_SUPPLY_INDEX_CALCULATION_FAILED_COLLATERAL_ASSET,
LIQUIDATE_NEW_SUPPLY_RATE_CALCULATION_FAILED_BORROWED_ASSET,
LIQUIDATE_NEW_TOTAL_BORROW_CALCULATION_FAILED_BORROWED_ASSET,
LIQUIDATE_NEW_TOTAL_CASH_CALCULATION_FAILED_BORROWED_ASSET,
LIQUIDATE_NEW_TOTAL_SUPPLY_BALANCE_CALCULATION_FAILED_BORROWER_COLLATERAL_ASSET,
LIQUIDATE_NEW_TOTAL_SUPPLY_BALANCE_CALCULATION_FAILED_LIQUIDATOR_COLLATERAL_ASSET,
LIQUIDATE_FETCH_ASSET_PRICE_FAILED,
LIQUIDATE_TRANSFER_IN_FAILED,
LIQUIDATE_TRANSFER_IN_NOT_POSSIBLE,
REPAY_BORROW_ACCUMULATED_BALANCE_CALCULATION_FAILED,
REPAY_BORROW_CONTRACT_PAUSED,
REPAY_BORROW_NEW_BORROW_INDEX_CALCULATION_FAILED,
REPAY_BORROW_NEW_BORROW_RATE_CALCULATION_FAILED,
REPAY_BORROW_NEW_SUPPLY_INDEX_CALCULATION_FAILED,
REPAY_BORROW_NEW_SUPPLY_RATE_CALCULATION_FAILED,
REPAY_BORROW_NEW_TOTAL_BALANCE_CALCULATION_FAILED,
REPAY_BORROW_NEW_TOTAL_BORROW_CALCULATION_FAILED,
REPAY_BORROW_NEW_TOTAL_CASH_CALCULATION_FAILED,
REPAY_BORROW_TRANSFER_IN_FAILED,
REPAY_BORROW_TRANSFER_IN_NOT_POSSIBLE,
SET_ASSET_PRICE_CHECK_ORACLE,
SET_MARKET_INTEREST_RATE_MODEL_OWNER_CHECK,
SET_ORACLE_OWNER_CHECK,
SET_ORIGINATION_FEE_OWNER_CHECK,
SET_PAUSED_OWNER_CHECK,
SET_PENDING_ADMIN_OWNER_CHECK,
SET_RISK_PARAMETERS_OWNER_CHECK,
SET_RISK_PARAMETERS_VALIDATION,
SUPPLY_ACCUMULATED_BALANCE_CALCULATION_FAILED,
SUPPLY_CONTRACT_PAUSED,
SUPPLY_MARKET_NOT_SUPPORTED,
SUPPLY_NEW_BORROW_INDEX_CALCULATION_FAILED,
SUPPLY_NEW_BORROW_RATE_CALCULATION_FAILED,
SUPPLY_NEW_SUPPLY_INDEX_CALCULATION_FAILED,
SUPPLY_NEW_SUPPLY_RATE_CALCULATION_FAILED,
SUPPLY_NEW_TOTAL_BALANCE_CALCULATION_FAILED,
SUPPLY_NEW_TOTAL_CASH_CALCULATION_FAILED,
SUPPLY_NEW_TOTAL_SUPPLY_CALCULATION_FAILED,
SUPPLY_TRANSFER_IN_FAILED,
SUPPLY_TRANSFER_IN_NOT_POSSIBLE,
SUPPORT_MARKET_FETCH_PRICE_FAILED,
SUPPORT_MARKET_OWNER_CHECK,
SUPPORT_MARKET_PRICE_CHECK,
SUSPEND_MARKET_OWNER_CHECK,
WITHDRAW_ACCOUNT_LIQUIDITY_CALCULATION_FAILED,
WITHDRAW_ACCOUNT_SHORTFALL_PRESENT,
WITHDRAW_ACCUMULATED_BALANCE_CALCULATION_FAILED,
WITHDRAW_AMOUNT_LIQUIDITY_SHORTFALL,
WITHDRAW_AMOUNT_VALUE_CALCULATION_FAILED,
WITHDRAW_CAPACITY_CALCULATION_FAILED,
WITHDRAW_CONTRACT_PAUSED,
WITHDRAW_NEW_BORROW_INDEX_CALCULATION_FAILED,
WITHDRAW_NEW_BORROW_RATE_CALCULATION_FAILED,
WITHDRAW_NEW_SUPPLY_INDEX_CALCULATION_FAILED,
WITHDRAW_NEW_SUPPLY_RATE_CALCULATION_FAILED,
WITHDRAW_NEW_TOTAL_BALANCE_CALCULATION_FAILED,
WITHDRAW_NEW_TOTAL_SUPPLY_CALCULATION_FAILED,
WITHDRAW_TRANSFER_OUT_FAILED,
WITHDRAW_TRANSFER_OUT_NOT_POSSIBLE
}
/**
* @dev use this when reporting a known error from the money market or a non-upgradeable collaborator
*/
function fail(Error err, FailureInfo info) internal returns (uint) {
emit Failure(uint(err), uint(info), 0);
return uint(err);
}
/**
* @dev use this when reporting an opaque error from an upgradeable collaborator contract
*/
function failOpaque(FailureInfo info, uint opaqueError) internal returns (uint) {
emit Failure(uint(Error.OPAQUE_ERROR), uint(info), opaqueError);
return uint(Error.OPAQUE_ERROR);
}
}