{ "address": "0x8aE07Ea4E63c9419d49760De8163A92d2D574432", "abi": [ { "inputs": [ { "internalType": "address", "name": "_poster", "type": "address" } ], "payable": false, "stateMutability": "nonpayable", "type": "constructor" }, { "anonymous": false, "inputs": [ { "indexed": false, "internalType": "address", "name": "asset", "type": "address" }, { "indexed": false, "internalType": "uint256", "name": "requestedPriceMantissa", "type": "uint256" }, { "indexed": false, "internalType": "uint256", "name": "anchorPriceMantissa", "type": "uint256" }, { "indexed": false, "internalType": "uint256", "name": "cappedPriceMantissa", "type": "uint256" } ], "name": "CappedPricePosted", "type": "event" }, { "anonymous": false, "inputs": [ { "indexed": false, "internalType": "uint256", "name": "error", "type": "uint256" }, { "indexed": false, "internalType": "uint256", "name": "info", "type": "uint256" }, { "indexed": false, "internalType": "uint256", "name": "detail", "type": "uint256" } ], "name": "Failure", "type": "event" }, { "anonymous": false, "inputs": [ { "indexed": false, "internalType": "address", "name": "oldAnchorAdmin", "type": "address" }, { "indexed": false, "internalType": "address", "name": "newAnchorAdmin", "type": "address" } ], "name": "NewAnchorAdmin", "type": "event" }, { "anonymous": false, "inputs": [ { "indexed": false, "internalType": "address", "name": "anchorAdmin", "type": "address" }, { "indexed": false, "internalType": "address", "name": "asset", "type": "address" }, { "indexed": false, "internalType": "uint256", "name": "oldScaledPrice", "type": "uint256" }, { "indexed": false, "internalType": "uint256", "name": "newScaledPrice", "type": "uint256" } ], "name": "NewPendingAnchor", "type": "event" }, { "anonymous": false, "inputs": [ { "indexed": false, "internalType": "address", "name": "oldPendingAnchorAdmin", "type": "address" }, { "indexed": false, "internalType": "address", "name": "newPendingAnchorAdmin", "type": "address" } ], "name": "NewPendingAnchorAdmin", "type": "event" }, { "anonymous": false, "inputs": [ { "indexed": false, "internalType": "address", "name": "msgSender", "type": "address" }, { "indexed": false, "internalType": "address", "name": "asset", "type": "address" }, { "indexed": false, "internalType": "uint256", "name": "error", "type": "uint256" }, { "indexed": false, "internalType": "uint256", "name": "info", "type": "uint256" }, { "indexed": false, "internalType": "uint256", "name": "detail", "type": "uint256" } ], "name": "OracleFailure", "type": "event" }, { "anonymous": false, "inputs": [ { "indexed": false, "internalType": "address", "name": "asset", "type": "address" }, { "indexed": false, "internalType": "uint256", "name": "previousPriceMantissa", "type": "uint256" }, { "indexed": false, "internalType": "uint256", "name": "requestedPriceMantissa", "type": "uint256" }, { "indexed": false, "internalType": "uint256", "name": "newPriceMantissa", "type": "uint256" } ], "name": "PricePosted", "type": "event" }, { "anonymous": false, "inputs": [ { "indexed": false, "internalType": "bool", "name": "newState", "type": "bool" } ], "name": "SetPaused", "type": "event" }, { "payable": true, "stateMutability": "payable", "type": "fallback" }, { "constant": false, "inputs": [], "name": "_acceptAnchorAdmin", "outputs": [ { "internalType": "uint256", "name": "", "type": "uint256" } ], "payable": false, "stateMutability": "nonpayable", "type": "function" }, { "constant": true, "inputs": [ { "internalType": "address", "name": "", "type": "address" } ], "name": "_assetPrices", "outputs": [ { "internalType": "uint256", "name": "mantissa", "type": "uint256" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": false, "inputs": [ { "internalType": "bool", "name": "requestedState", "type": "bool" } ], "name": "_setPaused", "outputs": [ { "internalType": "uint256", "name": "", "type": "uint256" } ], "payable": false, "stateMutability": "nonpayable", "type": "function" }, { "constant": false, "inputs": [ { "internalType": "address", "name": "asset", "type": "address" }, { "internalType": "uint256", "name": "newScaledPrice", "type": "uint256" } ], "name": "_setPendingAnchor", "outputs": [ { "internalType": "uint256", "name": "", "type": "uint256" } ], "payable": false, "stateMutability": "nonpayable", "type": "function" }, { "constant": false, "inputs": [ { "internalType": "address", "name": "newPendingAnchorAdmin", "type": "address" } ], "name": "_setPendingAnchorAdmin", "outputs": [ { "internalType": "uint256", "name": "", "type": "uint256" } ], "payable": false, "stateMutability": "nonpayable", "type": "function" }, { "constant": true, "inputs": [], "name": "anchorAdmin", "outputs": [ { "internalType": "address", "name": "", "type": "address" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": true, "inputs": [ { "internalType": "address", "name": "", "type": "address" } ], "name": "anchors", "outputs": [ { "internalType": "uint256", "name": "period", "type": "uint256" }, { "internalType": "uint256", "name": "priceMantissa", "type": "uint256" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": true, "inputs": [ { "internalType": "address", "name": "asset", "type": "address" } ], "name": "assetPrices", "outputs": [ { "internalType": "uint256", "name": "", "type": "uint256" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": true, "inputs": [ { "internalType": "address", "name": "asset", "type": "address" } ], "name": "getPrice", "outputs": [ { "internalType": "uint256", "name": "", "type": "uint256" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": true, "inputs": [], "name": "maxSwing", "outputs": [ { "internalType": "uint256", "name": "mantissa", "type": "uint256" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": true, "inputs": [], "name": "maxSwingMantissa", "outputs": [ { "internalType": "uint256", "name": "", "type": "uint256" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": true, "inputs": [], "name": "numBlocksPerPeriod", "outputs": [ { "internalType": "uint256", "name": "", "type": "uint256" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": true, "inputs": [], "name": "paused", "outputs": [ { "internalType": "bool", "name": "", "type": "bool" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": true, "inputs": [], "name": "pendingAnchorAdmin", "outputs": [ { "internalType": "address", "name": "", "type": "address" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": true, "inputs": [ { "internalType": "address", "name": "", "type": "address" } ], "name": "pendingAnchors", "outputs": [ { "internalType": "uint256", "name": "", "type": "uint256" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": true, "inputs": [], "name": "poster", "outputs": [ { "internalType": "address", "name": "", "type": "address" } ], "payable": false, "stateMutability": "view", "type": "function" }, { "constant": false, "inputs": [ { "internalType": "address", "name": "asset", "type": "address" }, { "internalType": "uint256", "name": "requestedPriceMantissa", "type": "uint256" } ], "name": "setPrice", "outputs": [ { "internalType": "uint256", "name": "", "type": "uint256" } ], "payable": false, "stateMutability": "nonpayable", "type": "function" }, { "constant": false, "inputs": [ { "internalType": "address[]", "name": "assets", "type": "address[]" }, { "internalType": "uint256[]", "name": "requestedPriceMantissas", "type": "uint256[]" } ], "name": "setPrices", "outputs": [ { "internalType": "uint256[]", "name": "", "type": "uint256[]" } ], "payable": false, "stateMutability": "nonpayable", "type": "function" } ], "transactionHash": "0x22ce921e5cf30e7ae29670838a92fa97dfc2568d442a5cae39c6c1f7be748e1c", "receipt": { "to": null, "from": "0x5D3e4C0FE11e0aE4c32F0FF74B4544C49538AC61", "contractAddress": "0x8aE07Ea4E63c9419d49760De8163A92d2D574432", "transactionIndex": 1, "gasUsed": "1235504", "logsBloom": "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000", "blockHash": "0x36ee3aba7722bbec81c64d482a1a14dcf4f0244e255836f2f6025800061d452c", "transactionHash": "0x22ce921e5cf30e7ae29670838a92fa97dfc2568d442a5cae39c6c1f7be748e1c", "logs": [], "blockNumber": 9192548, "cumulativeGasUsed": "1281987", "status": 1, "byzantium": true }, "args": [ "0x5D3e4C0FE11e0aE4c32F0FF74B4544C49538AC61" ], "solcInputHash": "c9ccfe5fdb5639c87724d99eb44537d0", "metadata": "{\"compiler\":{\"version\":\"0.5.16+commit.9c3226ce\"},\"language\":\"Solidity\",\"output\":{\"abi\":[{\"inputs\":[{\"internalType\":\"address\",\"name\":\"_poster\",\"type\":\"address\"}],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"constructor\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":false,\"internalType\":\"address\",\"name\":\"asset\",\"type\":\"address\"},{\"indexed\":false,\"internalType\":\"uint256\",\"name\":\"requestedPriceMantissa\",\"type\":\"uint256\"},{\"indexed\":false,\"internalType\":\"uint256\",\"name\":\"anchorPriceMantissa\",\"type\":\"uint256\"},{\"indexed\":false,\"internalType\":\"uint256\",\"name\":\"cappedPriceMantissa\",\"type\":\"uint256\"}],\"name\":\"CappedPricePosted\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":false,\"internalType\":\"uint256\",\"name\":\"error\",\"type\":\"uint256\"},{\"indexed\":false,\"internalType\":\"uint256\",\"name\":\"info\",\"type\":\"uint256\"},{\"indexed\":false,\"internalType\":\"uint256\",\"name\":\"detail\",\"type\":\"uint256\"}],\"name\":\"Failure\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":false,\"internalType\":\"address\",\"name\":\"oldAnchorAdmin\",\"type\":\"address\"},{\"indexed\":false,\"internalType\":\"address\",\"name\":\"newAnchorAdmin\",\"type\":\"address\"}],\"name\":\"NewAnchorAdmin\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":false,\"internalType\":\"address\",\"name\":\"anchorAdmin\",\"type\":\"address\"},{\"indexed\":false,\"internalType\":\"address\",\"name\":\"asset\",\"type\":\"address\"},{\"indexed\":false,\"internalType\":\"uint256\",\"name\":\"oldScaledPrice\",\"type\":\"uint256\"},{\"indexed\":false,\"internalType\":\"uint256\",\"name\":\"newScaledPrice\",\"type\":\"uint256\"}],\"name\":\"NewPendingAnchor\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":false,\"internalType\":\"address\",\"name\":\"oldPendingAnchorAdmin\",\"type\":\"address\"},{\"indexed\":false,\"internalType\":\"address\",\"name\":\"newPendingAnchorAdmin\",\"type\":\"address\"}],\"name\":\"NewPendingAnchorAdmin\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":false,\"internalType\":\"address\",\"name\":\"msgSender\",\"type\":\"address\"},{\"indexed\":false,\"internalType\":\"address\",\"name\":\"asset\",\"type\":\"address\"},{\"indexed\":false,\"internalType\":\"uint256\",\"name\":\"error\",\"type\":\"uint256\"},{\"indexed\":false,\"internalType\":\"uint256\",\"name\":\"info\",\"type\":\"uint256\"},{\"indexed\":false,\"internalType\":\"uint256\",\"name\":\"detail\",\"type\":\"uint256\"}],\"name\":\"OracleFailure\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":false,\"internalType\":\"address\",\"name\":\"asset\",\"type\":\"address\"},{\"indexed\":false,\"internalType\":\"uint256\",\"name\":\"previousPriceMantissa\",\"type\":\"uint256\"},{\"indexed\":false,\"internalType\":\"uint256\",\"name\":\"requestedPriceMantissa\",\"type\":\"uint256\"},{\"indexed\":false,\"internalType\":\"uint256\",\"name\":\"newPriceMantissa\",\"type\":\"uint256\"}],\"name\":\"PricePosted\",\"type\":\"event\"},{\"anonymous\":false,\"inputs\":[{\"indexed\":false,\"internalType\":\"bool\",\"name\":\"newState\",\"type\":\"bool\"}],\"name\":\"SetPaused\",\"type\":\"event\"},{\"payable\":true,\"stateMutability\":\"payable\",\"type\":\"fallback\"},{\"constant\":false,\"inputs\":[],\"name\":\"_acceptAnchorAdmin\",\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"\",\"type\":\"uint256\"}],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":true,\"inputs\":[{\"internalType\":\"address\",\"name\":\"\",\"type\":\"address\"}],\"name\":\"_assetPrices\",\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"mantissa\",\"type\":\"uint256\"}],\"payable\":false,\"stateMutability\":\"view\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"internalType\":\"bool\",\"name\":\"requestedState\",\"type\":\"bool\"}],\"name\":\"_setPaused\",\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"\",\"type\":\"uint256\"}],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"internalType\":\"address\",\"name\":\"asset\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"newScaledPrice\",\"type\":\"uint256\"}],\"name\":\"_setPendingAnchor\",\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"\",\"type\":\"uint256\"}],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"internalType\":\"address\",\"name\":\"newPendingAnchorAdmin\",\"type\":\"address\"}],\"name\":\"_setPendingAnchorAdmin\",\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"\",\"type\":\"uint256\"}],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":true,\"inputs\":[],\"name\":\"anchorAdmin\",\"outputs\":[{\"internalType\":\"address\",\"name\":\"\",\"type\":\"address\"}],\"payable\":false,\"stateMutability\":\"view\",\"type\":\"function\"},{\"constant\":true,\"inputs\":[{\"internalType\":\"address\",\"name\":\"\",\"type\":\"address\"}],\"name\":\"anchors\",\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"period\",\"type\":\"uint256\"},{\"internalType\":\"uint256\",\"name\":\"priceMantissa\",\"type\":\"uint256\"}],\"payable\":false,\"stateMutability\":\"view\",\"type\":\"function\"},{\"constant\":true,\"inputs\":[{\"internalType\":\"address\",\"name\":\"asset\",\"type\":\"address\"}],\"name\":\"assetPrices\",\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"\",\"type\":\"uint256\"}],\"payable\":false,\"stateMutability\":\"view\",\"type\":\"function\"},{\"constant\":true,\"inputs\":[{\"internalType\":\"address\",\"name\":\"asset\",\"type\":\"address\"}],\"name\":\"getPrice\",\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"\",\"type\":\"uint256\"}],\"payable\":false,\"stateMutability\":\"view\",\"type\":\"function\"},{\"constant\":true,\"inputs\":[],\"name\":\"maxSwing\",\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"mantissa\",\"type\":\"uint256\"}],\"payable\":false,\"stateMutability\":\"view\",\"type\":\"function\"},{\"constant\":true,\"inputs\":[],\"name\":\"maxSwingMantissa\",\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"\",\"type\":\"uint256\"}],\"payable\":false,\"stateMutability\":\"view\",\"type\":\"function\"},{\"constant\":true,\"inputs\":[],\"name\":\"numBlocksPerPeriod\",\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"\",\"type\":\"uint256\"}],\"payable\":false,\"stateMutability\":\"view\",\"type\":\"function\"},{\"constant\":true,\"inputs\":[],\"name\":\"paused\",\"outputs\":[{\"internalType\":\"bool\",\"name\":\"\",\"type\":\"bool\"}],\"payable\":false,\"stateMutability\":\"view\",\"type\":\"function\"},{\"constant\":true,\"inputs\":[],\"name\":\"pendingAnchorAdmin\",\"outputs\":[{\"internalType\":\"address\",\"name\":\"\",\"type\":\"address\"}],\"payable\":false,\"stateMutability\":\"view\",\"type\":\"function\"},{\"constant\":true,\"inputs\":[{\"internalType\":\"address\",\"name\":\"\",\"type\":\"address\"}],\"name\":\"pendingAnchors\",\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"\",\"type\":\"uint256\"}],\"payable\":false,\"stateMutability\":\"view\",\"type\":\"function\"},{\"constant\":true,\"inputs\":[],\"name\":\"poster\",\"outputs\":[{\"internalType\":\"address\",\"name\":\"\",\"type\":\"address\"}],\"payable\":false,\"stateMutability\":\"view\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"internalType\":\"address\",\"name\":\"asset\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"requestedPriceMantissa\",\"type\":\"uint256\"}],\"name\":\"setPrice\",\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"\",\"type\":\"uint256\"}],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"internalType\":\"address[]\",\"name\":\"assets\",\"type\":\"address[]\"},{\"internalType\":\"uint256[]\",\"name\":\"requestedPriceMantissas\",\"type\":\"uint256[]\"}],\"name\":\"setPrices\",\"outputs\":[{\"internalType\":\"uint256[]\",\"name\":\"\",\"type\":\"uint256[]\"}],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"}],\"devdoc\":{\"methods\":{\"_acceptAnchorAdmin()\":{\"details\":\"Admin function for pending anchor admin to accept role and update anchor admin\",\"return\":\"uint 0=success, otherwise a failure\"},\"_setPaused(bool)\":{\"details\":\"Admin function to pause or resume the market\",\"params\":{\"requestedState\":\"value to assign to `paused`\"},\"return\":\"uint 0=success, otherwise a failure\"},\"_setPendingAnchor(address,uint256)\":{\"details\":\"Admin function to set the anchor price for an asset\",\"params\":{\"asset\":\"Asset for which to override the anchor price\",\"newScaledPrice\":\"New anchor price\"},\"return\":\"uint 0=success, otherwise a failure (see enum OracleError for details)\"},\"_setPendingAnchorAdmin(address)\":{\"details\":\"Admin function to begin change of anchor admin. The newPendingAnchorAdmin must call `_acceptAnchorAdmin` to finalize the transfer.\",\"params\":{\"newPendingAnchorAdmin\":\"New pending anchor admin.\"},\"return\":\"uint 0=success, otherwise a failure * TODO: Should we add a second arg to verify, like a checksum of `newAnchorAdmin` address?\"},\"assetPrices(address)\":{\"details\":\"function to get price for an asset\",\"params\":{\"asset\":\"Asset for which to get the price\"},\"return\":\"uint mantissa of asset price (scaled by 1e18) or zero if unset or contract paused\"},\"getPrice(address)\":{\"details\":\"function to get price for an asset\",\"params\":{\"asset\":\"Asset for which to get the price\"},\"return\":\"uint mantissa of asset price (scaled by 1e18) or zero if unset or contract paused\"},\"setPrice(address,uint256)\":{\"details\":\"function to set price for an asset\",\"params\":{\"asset\":\"Asset for which to set the price\",\"requestedPriceMantissa\":\"requested new price, scaled by 10**18\"},\"return\":\"uint 0=success, otherwise a failure (see enum OracleError for details)\"},\"setPrices(address[],uint256[])\":{\"details\":\"function to set prices for a variable number of assets.\",\"params\":{\"assets\":\"a list of up to assets for which to set a price. required: 0 < assets.length == requestedPriceMantissas.length\",\"requestedPriceMantissas\":\"requested new prices for the assets, scaled by 10**18. required: 0 < assets.length == requestedPriceMantissas.length\"},\"return\":\"uint values in same order as inputs. For each: 0=success, otherwise a failure (see enum OracleError for details)\"}}},\"userdoc\":{\"methods\":{\"_acceptAnchorAdmin()\":{\"notice\":\"Accepts transfer of anchor admin rights. msg.sender must be pendingAnchorAdmin\"},\"_setPaused(bool)\":{\"notice\":\"set `paused` to the specified state\"},\"_setPendingAnchor(address,uint256)\":{\"notice\":\"provides ability to override the anchor price for an asset\"},\"_setPendingAnchorAdmin(address)\":{\"notice\":\"Begins transfer of anchor admin rights. The newPendingAnchorAdmin must call `_acceptAnchorAdmin` to finalize the transfer.\"},\"assetPrices(address)\":{\"notice\":\"retrieves price of an asset\"},\"getPrice(address)\":{\"notice\":\"retrieves price of an asset\"},\"setPrice(address,uint256)\":{\"notice\":\"entry point for updating prices\"},\"setPrices(address[],uint256[])\":{\"notice\":\"entry point for updating multiple prices\"}}}},\"settings\":{\"compilationTarget\":{\"contracts/PriceOracle/v1PriceOracle.sol\":\"V1PriceOracle\"},\"evmVersion\":\"istanbul\",\"libraries\":{\"__CACHE_BREAKER__\":\"0x00000000d41867734bbee4c6863d9255b2b06ac1\"},\"metadata\":{\"useLiteralContent\":true},\"optimizer\":{\"enabled\":true,\"runs\":200},\"remappings\":[]},\"sources\":{\"contracts/PriceOracle/v1PriceOracle.sol\":{\"content\":\"// SPDX-License-Identifier: UNLICENSED\\n\\npragma solidity ^0.5.16;\\n\\ncontract ErrorReporter {\\n /**\\n * @dev `error` corresponds to enum Error; `info` corresponds to enum FailureInfo, and `detail` is an arbitrary\\n * contract-specific code that enables us to report opaque error codes from upgradeable contracts.\\n **/\\n event Failure(uint256 error, uint256 info, uint256 detail);\\n\\n enum Error {\\n NO_ERROR,\\n OPAQUE_ERROR, // To be used when reporting errors from upgradeable contracts; the opaque code should be given as `detail` in the `Failure` event\\n UNAUTHORIZED,\\n INTEGER_OVERFLOW,\\n INTEGER_UNDERFLOW,\\n DIVISION_BY_ZERO,\\n BAD_INPUT,\\n TOKEN_INSUFFICIENT_ALLOWANCE,\\n TOKEN_INSUFFICIENT_BALANCE,\\n TOKEN_TRANSFER_FAILED,\\n MARKET_NOT_SUPPORTED,\\n SUPPLY_RATE_CALCULATION_FAILED,\\n BORROW_RATE_CALCULATION_FAILED,\\n TOKEN_INSUFFICIENT_CASH,\\n TOKEN_TRANSFER_OUT_FAILED,\\n INSUFFICIENT_LIQUIDITY,\\n INSUFFICIENT_BALANCE,\\n INVALID_COLLATERAL_RATIO,\\n MISSING_ASSET_PRICE,\\n EQUITY_INSUFFICIENT_BALANCE,\\n INVALID_CLOSE_AMOUNT_REQUESTED,\\n ASSET_NOT_PRICED,\\n INVALID_LIQUIDATION_DISCOUNT,\\n INVALID_COMBINED_RISK_PARAMETERS\\n }\\n\\n /*\\n * Note: FailureInfo (but not Error) is kept in alphabetical order\\n * This is because FailureInfo grows significantly faster, and\\n * the order of Error has some meaning, while the order of FailureInfo\\n * is entirely arbitrary.\\n */\\n enum FailureInfo {\\n BORROW_ACCOUNT_LIQUIDITY_CALCULATION_FAILED,\\n BORROW_ACCOUNT_SHORTFALL_PRESENT,\\n BORROW_AMOUNT_LIQUIDITY_SHORTFALL,\\n BORROW_AMOUNT_VALUE_CALCULATION_FAILED,\\n BORROW_MARKET_NOT_SUPPORTED,\\n BORROW_NEW_BORROW_INDEX_CALCULATION_FAILED,\\n BORROW_NEW_BORROW_RATE_CALCULATION_FAILED,\\n BORROW_NEW_SUPPLY_INDEX_CALCULATION_FAILED,\\n BORROW_NEW_SUPPLY_RATE_CALCULATION_FAILED,\\n BORROW_NEW_TOTAL_BORROW_CALCULATION_FAILED,\\n BORROW_NEW_TOTAL_CASH_CALCULATION_FAILED,\\n BORROW_ORIGINATION_FEE_CALCULATION_FAILED,\\n BORROW_TRANSFER_OUT_FAILED,\\n EQUITY_WITHDRAWAL_AMOUNT_VALIDATION,\\n EQUITY_WITHDRAWAL_CALCULATE_EQUITY,\\n EQUITY_WITHDRAWAL_MODEL_OWNER_CHECK,\\n EQUITY_WITHDRAWAL_TRANSFER_OUT_FAILED,\\n LIQUIDATE_ACCUMULATED_BORROW_BALANCE_CALCULATION_FAILED,\\n LIQUIDATE_ACCUMULATED_SUPPLY_BALANCE_CALCULATION_FAILED_BORROWER_COLLATERAL_ASSET,\\n LIQUIDATE_ACCUMULATED_SUPPLY_BALANCE_CALCULATION_FAILED_LIQUIDATOR_COLLATERAL_ASSET,\\n LIQUIDATE_AMOUNT_SEIZE_CALCULATION_FAILED,\\n LIQUIDATE_BORROW_DENOMINATED_COLLATERAL_CALCULATION_FAILED,\\n LIQUIDATE_CLOSE_AMOUNT_TOO_HIGH,\\n LIQUIDATE_DISCOUNTED_REPAY_TO_EVEN_AMOUNT_CALCULATION_FAILED,\\n LIQUIDATE_NEW_BORROW_INDEX_CALCULATION_FAILED_BORROWED_ASSET,\\n LIQUIDATE_NEW_BORROW_INDEX_CALCULATION_FAILED_COLLATERAL_ASSET,\\n LIQUIDATE_NEW_BORROW_RATE_CALCULATION_FAILED_BORROWED_ASSET,\\n LIQUIDATE_NEW_SUPPLY_INDEX_CALCULATION_FAILED_BORROWED_ASSET,\\n LIQUIDATE_NEW_SUPPLY_INDEX_CALCULATION_FAILED_COLLATERAL_ASSET,\\n LIQUIDATE_NEW_SUPPLY_RATE_CALCULATION_FAILED_BORROWED_ASSET,\\n LIQUIDATE_NEW_TOTAL_BORROW_CALCULATION_FAILED_BORROWED_ASSET,\\n LIQUIDATE_NEW_TOTAL_CASH_CALCULATION_FAILED_BORROWED_ASSET,\\n LIQUIDATE_NEW_TOTAL_SUPPLY_BALANCE_CALCULATION_FAILED_BORROWER_COLLATERAL_ASSET,\\n LIQUIDATE_NEW_TOTAL_SUPPLY_BALANCE_CALCULATION_FAILED_LIQUIDATOR_COLLATERAL_ASSET,\\n LIQUIDATE_TRANSFER_IN_FAILED,\\n LIQUIDATE_TRANSFER_IN_NOT_POSSIBLE,\\n REPAY_BORROW_NEW_BORROW_INDEX_CALCULATION_FAILED,\\n REPAY_BORROW_NEW_BORROW_RATE_CALCULATION_FAILED,\\n REPAY_BORROW_NEW_SUPPLY_INDEX_CALCULATION_FAILED,\\n REPAY_BORROW_NEW_SUPPLY_RATE_CALCULATION_FAILED,\\n REPAY_BORROW_NEW_TOTAL_BORROW_CALCULATION_FAILED,\\n REPAY_BORROW_NEW_TOTAL_CASH_CALCULATION_FAILED,\\n REPAY_BORROW_TRANSFER_IN_FAILED,\\n REPAY_BORROW_TRANSFER_IN_NOT_POSSIBLE,\\n SET_ADMIN_OWNER_CHECK,\\n SET_ASSET_PRICE_CHECK_ORACLE,\\n SET_MARKET_INTEREST_RATE_MODEL_OWNER_CHECK,\\n SET_ORACLE_OWNER_CHECK,\\n SET_ORIGINATION_FEE_OWNER_CHECK,\\n SET_RISK_PARAMETERS_OWNER_CHECK,\\n SET_RISK_PARAMETERS_VALIDATION,\\n SUPPLY_ACCUMULATED_BALANCE_CALCULATION_FAILED,\\n SUPPLY_MARKET_NOT_SUPPORTED,\\n SUPPLY_NEW_BORROW_INDEX_CALCULATION_FAILED,\\n SUPPLY_NEW_BORROW_RATE_CALCULATION_FAILED,\\n SUPPLY_NEW_SUPPLY_INDEX_CALCULATION_FAILED,\\n SUPPLY_NEW_SUPPLY_RATE_CALCULATION_FAILED,\\n SUPPLY_NEW_TOTAL_BALANCE_CALCULATION_FAILED,\\n SUPPLY_NEW_TOTAL_CASH_CALCULATION_FAILED,\\n SUPPLY_NEW_TOTAL_SUPPLY_CALCULATION_FAILED,\\n SUPPLY_TRANSFER_IN_FAILED,\\n SUPPLY_TRANSFER_IN_NOT_POSSIBLE,\\n SUPPORT_MARKET_OWNER_CHECK,\\n SUPPORT_MARKET_PRICE_CHECK,\\n SUSPEND_MARKET_OWNER_CHECK,\\n WITHDRAW_ACCOUNT_LIQUIDITY_CALCULATION_FAILED,\\n WITHDRAW_ACCOUNT_SHORTFALL_PRESENT,\\n WITHDRAW_ACCUMULATED_BALANCE_CALCULATION_FAILED,\\n WITHDRAW_AMOUNT_LIQUIDITY_SHORTFALL,\\n WITHDRAW_AMOUNT_VALUE_CALCULATION_FAILED,\\n WITHDRAW_CAPACITY_CALCULATION_FAILED,\\n WITHDRAW_NEW_BORROW_INDEX_CALCULATION_FAILED,\\n WITHDRAW_NEW_BORROW_RATE_CALCULATION_FAILED,\\n WITHDRAW_NEW_SUPPLY_INDEX_CALCULATION_FAILED,\\n WITHDRAW_NEW_SUPPLY_RATE_CALCULATION_FAILED,\\n WITHDRAW_NEW_TOTAL_BALANCE_CALCULATION_FAILED,\\n WITHDRAW_NEW_TOTAL_SUPPLY_CALCULATION_FAILED,\\n WITHDRAW_TRANSFER_OUT_FAILED,\\n WITHDRAW_TRANSFER_OUT_NOT_POSSIBLE\\n }\\n\\n /**\\n * @dev use this when reporting a known error from the money market or a non-upgradeable collaborator\\n */\\n function fail(Error err, FailureInfo info) internal returns (uint256) {\\n emit Failure(uint256(err), uint256(info), 0);\\n\\n return uint256(err);\\n }\\n\\n /**\\n * @dev use this when reporting an opaque error from an upgradeable collaborator contract\\n */\\n function failOpaque(FailureInfo info, uint256 opaqueError) internal returns (uint256) {\\n emit Failure(uint256(Error.OPAQUE_ERROR), uint256(info), opaqueError);\\n\\n return uint256(Error.OPAQUE_ERROR);\\n }\\n}\\n\\ncontract CarefulMath is ErrorReporter {\\n /**\\n * @dev Multiplies two numbers, returns an error on overflow.\\n */\\n function mul(uint256 a, uint256 b) internal pure returns (Error, uint256) {\\n if (a == 0) {\\n return (Error.NO_ERROR, 0);\\n }\\n\\n uint256 c = a * b;\\n\\n if (c / a != b) {\\n return (Error.INTEGER_OVERFLOW, 0);\\n } else {\\n return (Error.NO_ERROR, c);\\n }\\n }\\n\\n /**\\n * @dev Integer division of two numbers, truncating the quotient.\\n */\\n function div(uint256 a, uint256 b) internal pure returns (Error, uint256) {\\n if (b == 0) {\\n return (Error.DIVISION_BY_ZERO, 0);\\n }\\n\\n return (Error.NO_ERROR, a / b);\\n }\\n\\n /**\\n * @dev Subtracts two numbers, returns an error on overflow (i.e. if subtrahend is greater than minuend).\\n */\\n function sub(uint256 a, uint256 b) internal pure returns (Error, uint256) {\\n if (b <= a) {\\n return (Error.NO_ERROR, a - b);\\n } else {\\n return (Error.INTEGER_UNDERFLOW, 0);\\n }\\n }\\n\\n /**\\n * @dev Adds two numbers, returns an error on overflow.\\n */\\n function add(uint256 a, uint256 b) internal pure returns (Error, uint256) {\\n uint256 c = a + b;\\n\\n if (c >= a) {\\n return (Error.NO_ERROR, c);\\n } else {\\n return (Error.INTEGER_OVERFLOW, 0);\\n }\\n }\\n\\n /**\\n * @dev add a and b and then subtract c\\n */\\n function addThenSub(\\n uint256 a,\\n uint256 b,\\n uint256 c\\n ) internal pure returns (Error, uint256) {\\n (Error err0, uint256 sum) = add(a, b);\\n\\n if (err0 != Error.NO_ERROR) {\\n return (err0, 0);\\n }\\n\\n return sub(sum, c);\\n }\\n}\\n\\ncontract Exponential is ErrorReporter, CarefulMath {\\n // TODO: We may wish to put the result of 10**18 here instead of the expression.\\n // Per https://solidity.readthedocs.io/en/latest/contracts.html#constant-state-variables\\n // the optimizer MAY replace the expression 10**18 with its calculated value.\\n uint256 constant expScale = 10**18;\\n\\n // See TODO on expScale\\n uint256 constant halfExpScale = expScale / 2;\\n\\n struct Exp {\\n uint256 mantissa;\\n }\\n\\n uint256 constant mantissaOne = 10**18;\\n uint256 constant mantissaOneTenth = 10**17;\\n\\n /**\\n * @dev Creates an exponential from numerator and denominator values.\\n * Note: Returns an error if (`num` * 10e18) > MAX_INT,\\n * or if `denom` is zero.\\n */\\n function getExp(uint256 num, uint256 denom) internal pure returns (Error, Exp memory) {\\n (Error err0, uint256 scaledNumerator) = mul(num, expScale);\\n if (err0 != Error.NO_ERROR) {\\n return (err0, Exp({mantissa: 0}));\\n }\\n\\n (Error err1, uint256 rational) = div(scaledNumerator, denom);\\n if (err1 != Error.NO_ERROR) {\\n return (err1, Exp({mantissa: 0}));\\n }\\n\\n return (Error.NO_ERROR, Exp({mantissa: rational}));\\n }\\n\\n /**\\n * @dev Adds two exponentials, returning a new exponential.\\n */\\n function addExp(Exp memory a, Exp memory b) internal pure returns (Error, Exp memory) {\\n (Error error, uint256 result) = add(a.mantissa, b.mantissa);\\n\\n return (error, Exp({mantissa: result}));\\n }\\n\\n /**\\n * @dev Subtracts two exponentials, returning a new exponential.\\n */\\n function subExp(Exp memory a, Exp memory b) internal pure returns (Error, Exp memory) {\\n (Error error, uint256 result) = sub(a.mantissa, b.mantissa);\\n\\n return (error, Exp({mantissa: result}));\\n }\\n\\n /**\\n * @dev Multiply an Exp by a scalar, returning a new Exp.\\n */\\n function mulScalar(Exp memory a, uint256 scalar) internal pure returns (Error, Exp memory) {\\n (Error err0, uint256 scaledMantissa) = mul(a.mantissa, scalar);\\n if (err0 != Error.NO_ERROR) {\\n return (err0, Exp({mantissa: 0}));\\n }\\n\\n return (Error.NO_ERROR, Exp({mantissa: scaledMantissa}));\\n }\\n\\n /**\\n * @dev Divide an Exp by a scalar, returning a new Exp.\\n */\\n function divScalar(Exp memory a, uint256 scalar) internal pure returns (Error, Exp memory) {\\n (Error err0, uint256 descaledMantissa) = div(a.mantissa, scalar);\\n if (err0 != Error.NO_ERROR) {\\n return (err0, Exp({mantissa: 0}));\\n }\\n\\n return (Error.NO_ERROR, Exp({mantissa: descaledMantissa}));\\n }\\n\\n /**\\n * @dev Divide a scalar by an Exp, returning a new Exp.\\n */\\n function divScalarByExp(uint256 scalar, Exp memory divisor) internal pure returns (Error, Exp memory) {\\n /*\\n We are doing this as:\\n getExp(mul(expScale, scalar), divisor.mantissa)\\n\\n How it works:\\n Exp = a / b;\\n Scalar = s;\\n `s / (a / b)` = `b * s / a` and since for an Exp `a = mantissa, b = expScale`\\n */\\n (Error err0, uint256 numerator) = mul(expScale, scalar);\\n if (err0 != Error.NO_ERROR) {\\n return (err0, Exp({mantissa: 0}));\\n }\\n return getExp(numerator, divisor.mantissa);\\n }\\n\\n /**\\n * @dev Multiplies two exponentials, returning a new exponential.\\n */\\n function mulExp(Exp memory a, Exp memory b) internal pure returns (Error, Exp memory) {\\n (Error err0, uint256 doubleScaledProduct) = mul(a.mantissa, b.mantissa);\\n if (err0 != Error.NO_ERROR) {\\n return (err0, Exp({mantissa: 0}));\\n }\\n\\n // We add half the scale before dividing so that we get rounding instead of truncation.\\n // See \\\"Listing 6\\\" and text above it at https://accu.org/index.php/journals/1717\\n // Without this change, a result like 6.6...e-19 will be truncated to 0 instead of being rounded to 1e-18.\\n (Error err1, uint256 doubleScaledProductWithHalfScale) = add(halfExpScale, doubleScaledProduct);\\n if (err1 != Error.NO_ERROR) {\\n return (err1, Exp({mantissa: 0}));\\n }\\n\\n (Error err2, uint256 product) = div(doubleScaledProductWithHalfScale, expScale);\\n // The only error `div` can return is Error.DIVISION_BY_ZERO but we control `expScale` and it is not zero.\\n assert(err2 == Error.NO_ERROR);\\n\\n return (Error.NO_ERROR, Exp({mantissa: product}));\\n }\\n\\n /**\\n * @dev Divides two exponentials, returning a new exponential.\\n * (a/scale) / (b/scale) = (a/scale) * (scale/b) = a/b,\\n * which we can scale as an Exp by calling getExp(a.mantissa, b.mantissa)\\n */\\n function divExp(Exp memory a, Exp memory b) internal pure returns (Error, Exp memory) {\\n return getExp(a.mantissa, b.mantissa);\\n }\\n\\n /**\\n * @dev Truncates the given exp to a whole number value.\\n * For example, truncate(Exp{mantissa: 15 * (10**18)}) = 15\\n */\\n function truncate(Exp memory exp) internal pure returns (uint256) {\\n // Note: We are not using careful math here as we're performing a division that cannot fail\\n return exp.mantissa / 10**18;\\n }\\n\\n /**\\n * @dev Checks if first Exp is less than second Exp.\\n */\\n function lessThanExp(Exp memory left, Exp memory right) internal pure returns (bool) {\\n return left.mantissa < right.mantissa; //TODO: Add some simple tests and this in another PR yo.\\n }\\n\\n /**\\n * @dev Checks if left Exp <= right Exp.\\n */\\n function lessThanOrEqualExp(Exp memory left, Exp memory right) internal pure returns (bool) {\\n return left.mantissa <= right.mantissa;\\n }\\n\\n /**\\n * @dev Checks if first Exp is greater than second Exp.\\n */\\n function greaterThanExp(Exp memory left, Exp memory right) internal pure returns (bool) {\\n return left.mantissa > right.mantissa;\\n }\\n\\n /**\\n * @dev returns true if Exp is exactly zero\\n */\\n function isZeroExp(Exp memory value) internal pure returns (bool) {\\n return value.mantissa == 0;\\n }\\n}\\n\\ncontract V1PriceOracle is Exponential {\\n /**\\n * @dev flag for whether or not contract is paused\\n *\\n */\\n bool public paused;\\n\\n uint256 public constant numBlocksPerPeriod = 240; // approximately 1 hour: 60 seconds/minute * 60 minutes/hour * 1 block/15 seconds\\n\\n uint256 public constant maxSwingMantissa = (10**17); // 0.1\\n\\n /**\\n * @dev Mapping of asset addresses and their corresponding price in terms of Eth-Wei\\n * which is simply equal to AssetWeiPrice * 10e18. For instance, if OMG token was\\n * worth 5x Eth then the price for OMG would be 5*10e18 or Exp({mantissa: 5000000000000000000}).\\n * map: assetAddress -> Exp\\n */\\n mapping(address => Exp) public _assetPrices;\\n\\n constructor(address _poster) public {\\n anchorAdmin = msg.sender;\\n poster = _poster;\\n maxSwing = Exp({mantissa: maxSwingMantissa});\\n }\\n\\n /**\\n * @notice Do not pay into PriceOracle\\n */\\n function() external payable {\\n revert();\\n }\\n\\n enum OracleError {\\n NO_ERROR,\\n UNAUTHORIZED,\\n FAILED_TO_SET_PRICE\\n }\\n\\n enum OracleFailureInfo {\\n ACCEPT_ANCHOR_ADMIN_PENDING_ANCHOR_ADMIN_CHECK,\\n SET_PAUSED_OWNER_CHECK,\\n SET_PENDING_ANCHOR_ADMIN_OWNER_CHECK,\\n SET_PENDING_ANCHOR_PERMISSION_CHECK,\\n SET_PRICE_CALCULATE_SWING,\\n SET_PRICE_CAP_TO_MAX,\\n SET_PRICE_MAX_SWING_CHECK,\\n SET_PRICE_NO_ANCHOR_PRICE_OR_INITIAL_PRICE_ZERO,\\n SET_PRICE_PERMISSION_CHECK,\\n SET_PRICE_ZERO_PRICE,\\n SET_PRICES_PARAM_VALIDATION\\n }\\n\\n /**\\n * @dev `msgSender` is msg.sender; `error` corresponds to enum OracleError; `info` corresponds to enum OracleFailureInfo, and `detail` is an arbitrary\\n * contract-specific code that enables us to report opaque error codes from upgradeable contracts.\\n **/\\n event OracleFailure(address msgSender, address asset, uint256 error, uint256 info, uint256 detail);\\n\\n /**\\n * @dev use this when reporting a known error from the price oracle or a non-upgradeable collaborator\\n * Using Oracle in name because we already inherit a `fail` function from ErrorReporter.sol via Exponential.sol\\n */\\n function failOracle(\\n address asset,\\n OracleError err,\\n OracleFailureInfo info\\n ) internal returns (uint256) {\\n emit OracleFailure(msg.sender, asset, uint256(err), uint256(info), 0);\\n\\n return uint256(err);\\n }\\n\\n /**\\n * @dev Use this when reporting an error from the money market. Give the money market result as `details`\\n */\\n function failOracleWithDetails(\\n address asset,\\n OracleError err,\\n OracleFailureInfo info,\\n uint256 details\\n ) internal returns (uint256) {\\n emit OracleFailure(msg.sender, asset, uint256(err), uint256(info), details);\\n\\n return uint256(err);\\n }\\n\\n /**\\n * @dev An administrator who can set the pending anchor value for assets.\\n * Set in the constructor.\\n */\\n address public anchorAdmin;\\n\\n /**\\n * @dev pending anchor administrator for this contract.\\n */\\n address public pendingAnchorAdmin;\\n\\n /**\\n * @dev Address of the price poster.\\n * Set in the constructor.\\n */\\n address public poster;\\n\\n /**\\n * @dev maxSwing the maximum allowed percentage difference between a new price and the anchor's price\\n * Set only in the constructor\\n */\\n Exp public maxSwing;\\n\\n struct Anchor {\\n // floor(block.number / numBlocksPerPeriod) + 1\\n uint256 period;\\n // Price in ETH, scaled by 10**18\\n uint256 priceMantissa;\\n }\\n\\n /**\\n * @dev anchors by asset\\n */\\n mapping(address => Anchor) public anchors;\\n\\n /**\\n * @dev pending anchor prices by asset\\n */\\n mapping(address => uint256) public pendingAnchors;\\n\\n /**\\n * @dev emitted when a pending anchor is set\\n * @param asset Asset for which to set a pending anchor\\n * @param oldScaledPrice if an unused pending anchor was present, its value; otherwise 0.\\n * @param newScaledPrice the new scaled pending anchor price\\n */\\n event NewPendingAnchor(address anchorAdmin, address asset, uint256 oldScaledPrice, uint256 newScaledPrice);\\n\\n /**\\n * @notice provides ability to override the anchor price for an asset\\n * @dev Admin function to set the anchor price for an asset\\n * @param asset Asset for which to override the anchor price\\n * @param newScaledPrice New anchor price\\n * @return uint 0=success, otherwise a failure (see enum OracleError for details)\\n */\\n function _setPendingAnchor(address asset, uint256 newScaledPrice) public returns (uint256) {\\n // Check caller = anchorAdmin. Note: Deliberately not allowing admin. They can just change anchorAdmin if desired.\\n if (msg.sender != anchorAdmin) {\\n return failOracle(asset, OracleError.UNAUTHORIZED, OracleFailureInfo.SET_PENDING_ANCHOR_PERMISSION_CHECK);\\n }\\n\\n uint256 oldScaledPrice = pendingAnchors[asset];\\n pendingAnchors[asset] = newScaledPrice;\\n\\n emit NewPendingAnchor(msg.sender, asset, oldScaledPrice, newScaledPrice);\\n\\n return uint256(OracleError.NO_ERROR);\\n }\\n\\n /**\\n * @dev emitted for all price changes\\n */\\n event PricePosted(\\n address asset,\\n uint256 previousPriceMantissa,\\n uint256 requestedPriceMantissa,\\n uint256 newPriceMantissa\\n );\\n\\n /**\\n * @dev emitted if this contract successfully posts a capped-to-max price to the money market\\n */\\n event CappedPricePosted(\\n address asset,\\n uint256 requestedPriceMantissa,\\n uint256 anchorPriceMantissa,\\n uint256 cappedPriceMantissa\\n );\\n\\n /**\\n * @dev emitted when admin either pauses or resumes the contract; newState is the resulting state\\n */\\n event SetPaused(bool newState);\\n\\n /**\\n * @dev emitted when pendingAnchorAdmin is changed\\n */\\n event NewPendingAnchorAdmin(address oldPendingAnchorAdmin, address newPendingAnchorAdmin);\\n\\n /**\\n * @dev emitted when pendingAnchorAdmin is accepted, which means anchor admin is updated\\n */\\n event NewAnchorAdmin(address oldAnchorAdmin, address newAnchorAdmin);\\n\\n /**\\n * @notice set `paused` to the specified state\\n * @dev Admin function to pause or resume the market\\n * @param requestedState value to assign to `paused`\\n * @return uint 0=success, otherwise a failure\\n */\\n function _setPaused(bool requestedState) public returns (uint256) {\\n // Check caller = anchorAdmin\\n if (msg.sender != anchorAdmin) {\\n return failOracle(address(0), OracleError.UNAUTHORIZED, OracleFailureInfo.SET_PAUSED_OWNER_CHECK);\\n }\\n\\n paused = requestedState;\\n emit SetPaused(requestedState);\\n\\n return uint256(Error.NO_ERROR);\\n }\\n\\n /**\\n * @notice Begins transfer of anchor admin rights. The newPendingAnchorAdmin must call `_acceptAnchorAdmin` to finalize the transfer.\\n * @dev Admin function to begin change of anchor admin. The newPendingAnchorAdmin must call `_acceptAnchorAdmin` to finalize the transfer.\\n * @param newPendingAnchorAdmin New pending anchor admin.\\n * @return uint 0=success, otherwise a failure\\n *\\n * TODO: Should we add a second arg to verify, like a checksum of `newAnchorAdmin` address?\\n */\\n function _setPendingAnchorAdmin(address newPendingAnchorAdmin) public returns (uint256) {\\n // Check caller = anchorAdmin\\n if (msg.sender != anchorAdmin) {\\n return\\n failOracle(\\n address(0),\\n OracleError.UNAUTHORIZED,\\n OracleFailureInfo.SET_PENDING_ANCHOR_ADMIN_OWNER_CHECK\\n );\\n }\\n\\n // save current value, if any, for inclusion in log\\n address oldPendingAnchorAdmin = pendingAnchorAdmin;\\n // Store pendingAdmin = newPendingAdmin\\n pendingAnchorAdmin = newPendingAnchorAdmin;\\n\\n emit NewPendingAnchorAdmin(oldPendingAnchorAdmin, newPendingAnchorAdmin);\\n\\n return uint256(Error.NO_ERROR);\\n }\\n\\n /**\\n * @notice Accepts transfer of anchor admin rights. msg.sender must be pendingAnchorAdmin\\n * @dev Admin function for pending anchor admin to accept role and update anchor admin\\n * @return uint 0=success, otherwise a failure\\n */\\n function _acceptAnchorAdmin() public returns (uint256) {\\n // Check caller = pendingAnchorAdmin\\n // msg.sender can't be zero\\n if (msg.sender != pendingAnchorAdmin) {\\n return\\n failOracle(\\n address(0),\\n OracleError.UNAUTHORIZED,\\n OracleFailureInfo.ACCEPT_ANCHOR_ADMIN_PENDING_ANCHOR_ADMIN_CHECK\\n );\\n }\\n\\n // Save current value for inclusion in log\\n address oldAnchorAdmin = anchorAdmin;\\n // Store admin = pendingAnchorAdmin\\n anchorAdmin = pendingAnchorAdmin;\\n // Clear the pending value\\n pendingAnchorAdmin = address(0);\\n\\n emit NewAnchorAdmin(oldAnchorAdmin, msg.sender);\\n\\n return uint256(Error.NO_ERROR);\\n }\\n\\n /**\\n * @notice retrieves price of an asset\\n * @dev function to get price for an asset\\n * @param asset Asset for which to get the price\\n * @return uint mantissa of asset price (scaled by 1e18) or zero if unset or contract paused\\n */\\n function assetPrices(address asset) public view returns (uint256) {\\n // Note: zero is treated by the money market as an invalid\\n // price and will cease operations with that asset\\n // when zero.\\n //\\n // We get the price as:\\n //\\n // 1. If the contract is paused, return 0.\\n // 2. Return price in `_assetPrices`, which may be zero.\\n\\n if (paused) {\\n return 0;\\n }\\n return _assetPrices[asset].mantissa;\\n }\\n\\n /**\\n * @notice retrieves price of an asset\\n * @dev function to get price for an asset\\n * @param asset Asset for which to get the price\\n * @return uint mantissa of asset price (scaled by 1e18) or zero if unset or contract paused\\n */\\n function getPrice(address asset) public view returns (uint256) {\\n return assetPrices(asset);\\n }\\n\\n struct SetPriceLocalVars {\\n Exp price;\\n Exp swing;\\n Exp anchorPrice;\\n uint256 anchorPeriod;\\n uint256 currentPeriod;\\n bool priceCapped;\\n uint256 cappingAnchorPriceMantissa;\\n uint256 pendingAnchorMantissa;\\n }\\n\\n /**\\n * @notice entry point for updating prices\\n * @dev function to set price for an asset\\n * @param asset Asset for which to set the price\\n * @param requestedPriceMantissa requested new price, scaled by 10**18\\n * @return uint 0=success, otherwise a failure (see enum OracleError for details)\\n */\\n function setPrice(address asset, uint256 requestedPriceMantissa) public returns (uint256) {\\n // Fail when msg.sender is not poster\\n if (msg.sender != poster) {\\n return failOracle(asset, OracleError.UNAUTHORIZED, OracleFailureInfo.SET_PRICE_PERMISSION_CHECK);\\n }\\n\\n return setPriceInternal(asset, requestedPriceMantissa);\\n }\\n\\n function setPriceInternal(address asset, uint256 requestedPriceMantissa) internal returns (uint256) {\\n // re-used for intermediate errors\\n Error err;\\n SetPriceLocalVars memory localVars;\\n // We add 1 for currentPeriod so that it can never be zero and there's no ambiguity about an unset value.\\n // (It can be a problem in tests with low block numbers.)\\n localVars.currentPeriod = (block.number / numBlocksPerPeriod) + 1;\\n localVars.pendingAnchorMantissa = pendingAnchors[asset];\\n localVars.price = Exp({mantissa: requestedPriceMantissa});\\n\\n if (localVars.pendingAnchorMantissa != 0) {\\n // let's explicitly set to 0 rather than relying on default of declaration\\n localVars.anchorPeriod = 0;\\n localVars.anchorPrice = Exp({mantissa: localVars.pendingAnchorMantissa});\\n\\n // Verify movement is within max swing of pending anchor (currently: 10%)\\n (err, localVars.swing) = calculateSwing(localVars.anchorPrice, localVars.price);\\n if (err != Error.NO_ERROR) {\\n return\\n failOracleWithDetails(\\n asset,\\n OracleError.FAILED_TO_SET_PRICE,\\n OracleFailureInfo.SET_PRICE_CALCULATE_SWING,\\n uint256(err)\\n );\\n }\\n\\n // Fail when swing > maxSwing\\n if (greaterThanExp(localVars.swing, maxSwing)) {\\n return\\n failOracleWithDetails(\\n asset,\\n OracleError.FAILED_TO_SET_PRICE,\\n OracleFailureInfo.SET_PRICE_MAX_SWING_CHECK,\\n localVars.swing.mantissa\\n );\\n }\\n } else {\\n localVars.anchorPeriod = anchors[asset].period;\\n localVars.anchorPrice = Exp({mantissa: anchors[asset].priceMantissa});\\n\\n if (localVars.anchorPeriod != 0) {\\n (err, localVars.priceCapped, localVars.price) = capToMax(localVars.anchorPrice, localVars.price);\\n if (err != Error.NO_ERROR) {\\n return\\n failOracleWithDetails(\\n asset,\\n OracleError.FAILED_TO_SET_PRICE,\\n OracleFailureInfo.SET_PRICE_CAP_TO_MAX,\\n uint256(err)\\n );\\n }\\n if (localVars.priceCapped) {\\n // save for use in log\\n localVars.cappingAnchorPriceMantissa = localVars.anchorPrice.mantissa;\\n }\\n } else {\\n // Setting first price. Accept as is (already assigned above from requestedPriceMantissa) and use as anchor\\n localVars.anchorPrice = Exp({mantissa: requestedPriceMantissa});\\n }\\n }\\n\\n // Fail if anchorPrice or price is zero.\\n // zero anchor represents an unexpected situation likely due to a problem in this contract\\n // zero price is more likely as the result of bad input from the caller of this function\\n if (isZeroExp(localVars.anchorPrice)) {\\n // If we get here price could also be zero, but it does not seem worthwhile to distinguish the 3rd case\\n return\\n failOracle(\\n asset,\\n OracleError.FAILED_TO_SET_PRICE,\\n OracleFailureInfo.SET_PRICE_NO_ANCHOR_PRICE_OR_INITIAL_PRICE_ZERO\\n );\\n }\\n\\n if (isZeroExp(localVars.price)) {\\n return failOracle(asset, OracleError.FAILED_TO_SET_PRICE, OracleFailureInfo.SET_PRICE_ZERO_PRICE);\\n }\\n\\n // BEGIN SIDE EFFECTS\\n\\n // Set pendingAnchor = Nothing\\n // Pending anchor is only used once.\\n if (pendingAnchors[asset] != 0) {\\n pendingAnchors[asset] = 0;\\n }\\n\\n // If currentPeriod > anchorPeriod:\\n // Set anchors[asset] = (currentPeriod, price)\\n // The new anchor is if we're in a new period or we had a pending anchor, then we become the new anchor\\n if (localVars.currentPeriod > localVars.anchorPeriod) {\\n anchors[asset] = Anchor({period: localVars.currentPeriod, priceMantissa: localVars.price.mantissa});\\n }\\n\\n uint256 previousPrice = _assetPrices[asset].mantissa;\\n\\n setPriceStorageInternal(asset, localVars.price.mantissa);\\n\\n emit PricePosted(asset, previousPrice, requestedPriceMantissa, localVars.price.mantissa);\\n\\n if (localVars.priceCapped) {\\n // We have set a capped price. Log it so we can detect the situation and investigate.\\n emit CappedPricePosted(\\n asset,\\n requestedPriceMantissa,\\n localVars.cappingAnchorPriceMantissa,\\n localVars.price.mantissa\\n );\\n }\\n\\n return uint256(OracleError.NO_ERROR);\\n }\\n\\n // As a function to allow harness overrides\\n function setPriceStorageInternal(address asset, uint256 priceMantissa) internal {\\n _assetPrices[asset] = Exp({mantissa: priceMantissa});\\n }\\n\\n // abs(price - anchorPrice) / anchorPrice\\n function calculateSwing(Exp memory anchorPrice, Exp memory price) internal pure returns (Error, Exp memory) {\\n Exp memory numerator;\\n Error err;\\n\\n if (greaterThanExp(anchorPrice, price)) {\\n (err, numerator) = subExp(anchorPrice, price);\\n // can't underflow\\n assert(err == Error.NO_ERROR);\\n } else {\\n (err, numerator) = subExp(price, anchorPrice);\\n // Given greaterThan check above, price >= anchorPrice so can't underflow.\\n assert(err == Error.NO_ERROR);\\n }\\n\\n return divExp(numerator, anchorPrice);\\n }\\n\\n function capToMax(Exp memory anchorPrice, Exp memory price)\\n internal\\n view\\n returns (\\n Error,\\n bool,\\n Exp memory\\n )\\n {\\n Exp memory one = Exp({mantissa: mantissaOne});\\n Exp memory onePlusMaxSwing;\\n Exp memory oneMinusMaxSwing;\\n Exp memory max;\\n Exp memory min;\\n // re-used for intermediate errors\\n Error err;\\n\\n (err, onePlusMaxSwing) = addExp(one, maxSwing);\\n if (err != Error.NO_ERROR) {\\n return (err, false, Exp({mantissa: 0}));\\n }\\n\\n // max = anchorPrice * (1 + maxSwing)\\n (err, max) = mulExp(anchorPrice, onePlusMaxSwing);\\n if (err != Error.NO_ERROR) {\\n return (err, false, Exp({mantissa: 0}));\\n }\\n\\n // If price > anchorPrice * (1 + maxSwing)\\n // Set price = anchorPrice * (1 + maxSwing)\\n if (greaterThanExp(price, max)) {\\n return (Error.NO_ERROR, true, max);\\n }\\n\\n (err, oneMinusMaxSwing) = subExp(one, maxSwing);\\n if (err != Error.NO_ERROR) {\\n return (err, false, Exp({mantissa: 0}));\\n }\\n\\n // min = anchorPrice * (1 - maxSwing)\\n (err, min) = mulExp(anchorPrice, oneMinusMaxSwing);\\n // We can't overflow here or we would have already overflowed above when calculating `max`\\n assert(err == Error.NO_ERROR);\\n\\n // If price < anchorPrice * (1 - maxSwing)\\n // Set price = anchorPrice * (1 - maxSwing)\\n if (lessThanExp(price, min)) {\\n return (Error.NO_ERROR, true, min);\\n }\\n\\n return (Error.NO_ERROR, false, price);\\n }\\n\\n /**\\n * @notice entry point for updating multiple prices\\n * @dev function to set prices for a variable number of assets.\\n * @param assets a list of up to assets for which to set a price. required: 0 < assets.length == requestedPriceMantissas.length\\n * @param requestedPriceMantissas requested new prices for the assets, scaled by 10**18. required: 0 < assets.length == requestedPriceMantissas.length\\n * @return uint values in same order as inputs. For each: 0=success, otherwise a failure (see enum OracleError for details)\\n */\\n function setPrices(address[] memory assets, uint256[] memory requestedPriceMantissas)\\n public\\n returns (uint256[] memory)\\n {\\n uint256 numAssets = assets.length;\\n uint256 numPrices = requestedPriceMantissas.length;\\n uint256[] memory result;\\n\\n // Fail when msg.sender is not poster\\n if (msg.sender != poster) {\\n result = new uint256[](1);\\n result[0] = failOracle(address(0), OracleError.UNAUTHORIZED, OracleFailureInfo.SET_PRICE_PERMISSION_CHECK);\\n return result;\\n }\\n\\n if ((numAssets == 0) || (numPrices != numAssets)) {\\n result = new uint256[](1);\\n result[0] = failOracle(\\n address(0),\\n OracleError.FAILED_TO_SET_PRICE,\\n OracleFailureInfo.SET_PRICES_PARAM_VALIDATION\\n );\\n return result;\\n }\\n\\n result = new uint256[](numAssets);\\n\\n for (uint256 i = 0; i < numAssets; i++) {\\n result[i] = setPriceInternal(assets[i], requestedPriceMantissas[i]);\\n }\\n\\n return result;\\n }\\n}\\n\",\"keccak256\":\"0x8277bdbcb3a4e8a56d93382f3df8eb3f512c88493b8ce00a9ee6a986f059d719\"}},\"version\":1}", "bytecode": 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"devdoc": { "methods": { "_acceptAnchorAdmin()": { "details": "Admin function for pending anchor admin to accept role and update anchor admin", "return": "uint 0=success, otherwise a failure" }, "_setPaused(bool)": { "details": "Admin function to pause or resume the market", "params": { "requestedState": "value to assign to `paused`" }, "return": "uint 0=success, otherwise a failure" }, "_setPendingAnchor(address,uint256)": { "details": "Admin function to set the anchor price for an asset", "params": { "asset": "Asset for which to override the anchor price", "newScaledPrice": "New anchor price" }, "return": "uint 0=success, otherwise a failure (see enum OracleError for details)" }, "_setPendingAnchorAdmin(address)": { "details": "Admin function to begin change of anchor admin. The newPendingAnchorAdmin must call `_acceptAnchorAdmin` to finalize the transfer.", "params": { "newPendingAnchorAdmin": "New pending anchor admin." }, "return": "uint 0=success, otherwise a failure * TODO: Should we add a second arg to verify, like a checksum of `newAnchorAdmin` address?" }, "assetPrices(address)": { "details": "function to get price for an asset", "params": { "asset": "Asset for which to get the price" }, "return": "uint mantissa of asset price (scaled by 1e18) or zero if unset or contract paused" }, "getPrice(address)": { "details": "function to get price for an asset", "params": { "asset": "Asset for which to get the price" }, "return": "uint mantissa of asset price (scaled by 1e18) or zero if unset or contract paused" }, "setPrice(address,uint256)": { "details": "function to set price for an asset", "params": { "asset": "Asset for which to set the price", "requestedPriceMantissa": "requested new price, scaled by 10**18" }, "return": "uint 0=success, otherwise a failure (see enum OracleError for details)" }, "setPrices(address[],uint256[])": { "details": "function to set prices for a variable number of assets.", "params": { "assets": "a list of up to assets for which to set a price. required: 0 < assets.length == requestedPriceMantissas.length", "requestedPriceMantissas": "requested new prices for the assets, scaled by 10**18. required: 0 < assets.length == requestedPriceMantissas.length" }, "return": "uint values in same order as inputs. For each: 0=success, otherwise a failure (see enum OracleError for details)" } } }, "userdoc": { "methods": { "_acceptAnchorAdmin()": { "notice": "Accepts transfer of anchor admin rights. msg.sender must be pendingAnchorAdmin" }, "_setPaused(bool)": { "notice": "set `paused` to the specified state" }, "_setPendingAnchor(address,uint256)": { "notice": "provides ability to override the anchor price for an asset" }, "_setPendingAnchorAdmin(address)": { "notice": "Begins transfer of anchor admin rights. The newPendingAnchorAdmin must call `_acceptAnchorAdmin` to finalize the transfer." }, "assetPrices(address)": { "notice": "retrieves price of an asset" }, "getPrice(address)": { "notice": "retrieves price of an asset" }, "setPrice(address,uint256)": { "notice": "entry point for updating prices" }, "setPrices(address[],uint256[])": { "notice": "entry point for updating multiple prices" } } }, "storageLayout": { "storage": [ { "astId": 791, "contract": "contracts/PriceOracle/v1PriceOracle.sol:V1PriceOracle", "label": "paused", "offset": 0, "slot": "0", "type": "t_bool" }, { "astId": 804, "contract": "contracts/PriceOracle/v1PriceOracle.sol:V1PriceOracle", "label": "_assetPrices", "offset": 0, "slot": "1", "type": "t_mapping(t_address,t_struct(Exp)362_storage)" }, { "astId": 922, "contract": "contracts/PriceOracle/v1PriceOracle.sol:V1PriceOracle", "label": "anchorAdmin", "offset": 0, "slot": "2", "type": "t_address" }, { "astId": 924, "contract": "contracts/PriceOracle/v1PriceOracle.sol:V1PriceOracle", "label": "pendingAnchorAdmin", "offset": 0, "slot": "3", "type": "t_address" }, { "astId": 926, "contract": "contracts/PriceOracle/v1PriceOracle.sol:V1PriceOracle", "label": "poster", "offset": 0, "slot": "4", "type": "t_address" }, { "astId": 928, "contract": "contracts/PriceOracle/v1PriceOracle.sol:V1PriceOracle", "label": "maxSwing", "offset": 0, "slot": "5", "type": "t_struct(Exp)362_storage" }, { "astId": 937, "contract": "contracts/PriceOracle/v1PriceOracle.sol:V1PriceOracle", "label": "anchors", "offset": 0, "slot": "6", "type": "t_mapping(t_address,t_struct(Anchor)933_storage)" }, { "astId": 941, "contract": "contracts/PriceOracle/v1PriceOracle.sol:V1PriceOracle", "label": "pendingAnchors", "offset": 0, "slot": "7", "type": "t_mapping(t_address,t_uint256)" } ], "types": { "t_address": { "encoding": "inplace", "label": "address", "numberOfBytes": "20" }, "t_bool": { "encoding": "inplace", "label": "bool", "numberOfBytes": "1" }, "t_mapping(t_address,t_struct(Anchor)933_storage)": { "encoding": "mapping", "key": "t_address", "label": "mapping(address => struct V1PriceOracle.Anchor)", "numberOfBytes": "32", "value": "t_struct(Anchor)933_storage" }, "t_mapping(t_address,t_struct(Exp)362_storage)": { "encoding": "mapping", "key": "t_address", "label": "mapping(address => struct Exponential.Exp)", "numberOfBytes": "32", "value": "t_struct(Exp)362_storage" }, "t_mapping(t_address,t_uint256)": { "encoding": "mapping", "key": "t_address", "label": "mapping(address => uint256)", "numberOfBytes": "32", "value": "t_uint256" }, "t_struct(Anchor)933_storage": { "encoding": "inplace", "label": "struct V1PriceOracle.Anchor", "members": [ { "astId": 930, "contract": "contracts/PriceOracle/v1PriceOracle.sol:V1PriceOracle", "label": "period", "offset": 0, "slot": "0", "type": "t_uint256" }, { "astId": 932, "contract": "contracts/PriceOracle/v1PriceOracle.sol:V1PriceOracle", "label": "priceMantissa", "offset": 0, "slot": "1", "type": "t_uint256" } ], "numberOfBytes": "64" }, "t_struct(Exp)362_storage": { "encoding": "inplace", "label": "struct Exponential.Exp", "members": [ { "astId": 361, "contract": "contracts/PriceOracle/v1PriceOracle.sol:V1PriceOracle", "label": "mantissa", "offset": 0, "slot": "0", "type": "t_uint256" } ], "numberOfBytes": "32" }, "t_uint256": { "encoding": "inplace", "label": "uint256", "numberOfBytes": "32" } } } }