Contract 0xf2dA959a37a05685f08CacB2733a19BB008849E1

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0x7397cedb0fc51bcd8b0fab8f25b9a8abca9e1f0d7a2db65edbce2206ae2575770x60c06040197372652021-10-22 5:48:3747 days 13 hrs ago0x55d56e1bb2fc8280a775ccfe9ececcecf1a01562 IN  Contract Creation0 FTM0.057415142263
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0x7397cedb0fc51bcd8b0fab8f25b9a8abca9e1f0d7a2db65edbce2206ae257577197372652021-10-22 5:48:3747 days 13 hrs ago 0x55d56e1bb2fc8280a775ccfe9ececcecf1a01562  Contract Creation0 FTM
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Contract Source Code Verified (Exact Match)

Contract Name:
WrappedToUnderlyingOracle

Compiler Version
v0.7.6+commit.7338295f

Optimization Enabled:
Yes with 200 runs

Other Settings:
default evmVersion

Contract Source Code (Solidity Standard Json-Input format)

File 1 of 6 : WrappedToUnderlyingOracle.sol
// SPDX-License-Identifier: bsl-1.1

/*
  Copyright 2020 Unit Protocol: Artem Zakharov ([email protected]).
*/
pragma solidity 0.7.6;

import "../helpers/ERC20Like.sol";
import "../VaultParameters.sol";
import "../interfaces/IOracleUsd.sol";
import "../interfaces/IOracleEth.sol";
import "../interfaces/IOracleRegistry.sol";

/**
 * @title WrappedToUnderlyingOracle
 * @dev Oracle to quote wrapped tokens to underlying
 **/
contract WrappedToUnderlyingOracle is IOracleUsd, Auth {

    IOracleRegistry public immutable oracleRegistry;

    mapping (address => address) public assetToUnderlying;

    event NewUnderlying(address indexed wrapped, address indexed underlying);

    constructor(address _vaultParameters, address _oracleRegistry) Auth(_vaultParameters) {
        require(_vaultParameters != address(0) && _oracleRegistry != address(0), "Unit Protocol: ZERO_ADDRESS");
        oracleRegistry = IOracleRegistry(_oracleRegistry);
    }

    function setUnderlying(address wrapped, address underlying) external onlyManager {
        assetToUnderlying[wrapped] = underlying;
        emit NewUnderlying(wrapped, underlying);
    }

    // returns Q112-encoded value
    function assetToUsd(address asset, uint amount) public override view returns (uint) {
        if (amount == 0) return 0;

        (address oracle, address underlying) = _getOracleAndUnderlying(asset);

        return IOracleUsd(oracle).assetToUsd(underlying, amount);
    }

    function _getOracleAndUnderlying(address asset) internal view returns (address oracle, address underlying) {

        underlying = assetToUnderlying[asset];
        require(underlying != address(0), "Unit Protocol: UNDEFINED_UNDERLYING");

        oracle = oracleRegistry.oracleByAsset(underlying);
        require(oracle != address(0), "Unit Protocol: NO_ORACLE_FOUND");
    }

}

File 2 of 6 : ERC20Like.sol
// SPDX-License-Identifier: bsl-1.1

/*
  Copyright 2020 Unit Protocol: Artem Zakharov ([email protected]).
*/
pragma solidity 0.7.6;


interface ERC20Like {
    function balanceOf(address) external view returns (uint);
    function decimals() external view returns (uint8);
    function transfer(address, uint256) external returns (bool);
    function transferFrom(address, address, uint256) external returns (bool);
    function totalSupply() external view returns (uint256);
}

File 3 of 6 : VaultParameters.sol
// SPDX-License-Identifier: bsl-1.1

/*
  Copyright 2020 Unit Protocol: Artem Zakharov ([email protected]).
*/
pragma solidity 0.7.6;



/**
 * @title Auth
 * @dev Manages USDP's system access
 **/
contract Auth {

    // address of the the contract with vault parameters
    VaultParameters public immutable vaultParameters;

    constructor(address _parameters) {
        vaultParameters = VaultParameters(_parameters);
    }

    // ensures tx's sender is a manager
    modifier onlyManager() {
        require(vaultParameters.isManager(msg.sender), "Unit Protocol: AUTH_FAILED");
        _;
    }

    // ensures tx's sender is able to modify the Vault
    modifier hasVaultAccess() {
        require(vaultParameters.canModifyVault(msg.sender), "Unit Protocol: AUTH_FAILED");
        _;
    }

    // ensures tx's sender is the Vault
    modifier onlyVault() {
        require(msg.sender == vaultParameters.vault(), "Unit Protocol: AUTH_FAILED");
        _;
    }
}



/**
 * @title VaultParameters
 **/
contract VaultParameters is Auth {

    // map token to stability fee percentage; 3 decimals
    mapping(address => uint) public stabilityFee;

    // map token to liquidation fee percentage, 0 decimals
    mapping(address => uint) public liquidationFee;

    // map token to USDP mint limit
    mapping(address => uint) public tokenDebtLimit;

    // permissions to modify the Vault
    mapping(address => bool) public canModifyVault;

    // managers
    mapping(address => bool) public isManager;

    // enabled oracle types
    mapping(uint => mapping (address => bool)) public isOracleTypeEnabled;

    // address of the Vault
    address payable public immutable vault;

    // The foundation address
    address public foundation;

    /**
     * The address for an Ethereum contract is deterministically computed from the address of its creator (sender)
     * and how many transactions the creator has sent (nonce). The sender and nonce are RLP encoded and then
     * hashed with Keccak-256.
     * Therefore, the Vault address can be pre-computed and passed as an argument before deployment.
    **/
    constructor(address payable _vault, address _foundation) Auth(address(this)) {
        require(_vault != address(0), "Unit Protocol: ZERO_ADDRESS");
        require(_foundation != address(0), "Unit Protocol: ZERO_ADDRESS");

        isManager[msg.sender] = true;
        vault = _vault;
        foundation = _foundation;
    }

    /**
     * @notice Only manager is able to call this function
     * @dev Grants and revokes manager's status of any address
     * @param who The target address
     * @param permit The permission flag
     **/
    function setManager(address who, bool permit) external onlyManager {
        isManager[who] = permit;
    }

    /**
     * @notice Only manager is able to call this function
     * @dev Sets the foundation address
     * @param newFoundation The new foundation address
     **/
    function setFoundation(address newFoundation) external onlyManager {
        require(newFoundation != address(0), "Unit Protocol: ZERO_ADDRESS");
        foundation = newFoundation;
    }

    /**
     * @notice Only manager is able to call this function
     * @dev Sets ability to use token as the main collateral
     * @param asset The address of the main collateral token
     * @param stabilityFeeValue The percentage of the year stability fee (3 decimals)
     * @param liquidationFeeValue The liquidation fee percentage (0 decimals)
     * @param usdpLimit The USDP token issue limit
     * @param oracles The enables oracle types
     **/
    function setCollateral(
        address asset,
        uint stabilityFeeValue,
        uint liquidationFeeValue,
        uint usdpLimit,
        uint[] calldata oracles
    ) external onlyManager {
        setStabilityFee(asset, stabilityFeeValue);
        setLiquidationFee(asset, liquidationFeeValue);
        setTokenDebtLimit(asset, usdpLimit);
        for (uint i=0; i < oracles.length; i++) {
            setOracleType(oracles[i], asset, true);
        }
    }

    /**
     * @notice Only manager is able to call this function
     * @dev Sets a permission for an address to modify the Vault
     * @param who The target address
     * @param permit The permission flag
     **/
    function setVaultAccess(address who, bool permit) external onlyManager {
        canModifyVault[who] = permit;
    }

    /**
     * @notice Only manager is able to call this function
     * @dev Sets the percentage of the year stability fee for a particular collateral
     * @param asset The address of the main collateral token
     * @param newValue The stability fee percentage (3 decimals)
     **/
    function setStabilityFee(address asset, uint newValue) public onlyManager {
        stabilityFee[asset] = newValue;
    }

    /**
     * @notice Only manager is able to call this function
     * @dev Sets the percentage of the liquidation fee for a particular collateral
     * @param asset The address of the main collateral token
     * @param newValue The liquidation fee percentage (0 decimals)
     **/
    function setLiquidationFee(address asset, uint newValue) public onlyManager {
        require(newValue <= 100, "Unit Protocol: VALUE_OUT_OF_RANGE");
        liquidationFee[asset] = newValue;
    }

    /**
     * @notice Only manager is able to call this function
     * @dev Enables/disables oracle types
     * @param _type The type of the oracle
     * @param asset The address of the main collateral token
     * @param enabled The control flag
     **/
    function setOracleType(uint _type, address asset, bool enabled) public onlyManager {
        isOracleTypeEnabled[_type][asset] = enabled;
    }

    /**
     * @notice Only manager is able to call this function
     * @dev Sets USDP limit for a specific collateral
     * @param asset The address of the main collateral token
     * @param limit The limit number
     **/
    function setTokenDebtLimit(address asset, uint limit) public onlyManager {
        tokenDebtLimit[asset] = limit;
    }
}

File 4 of 6 : IOracleUsd.sol
// SPDX-License-Identifier: bsl-1.1

/*
  Copyright 2020 Unit Protocol: Artem Zakharov ([email protected]).
*/
pragma solidity ^0.7.6;

interface IOracleUsd {

    // returns Q112-encoded value
    // returned value 10**18 * 2**112 is $1
    function assetToUsd(address asset, uint amount) external view returns (uint);
}

File 5 of 6 : IOracleEth.sol
// SPDX-License-Identifier: bsl-1.1

/*
  Copyright 2020 Unit Protocol: Artem Zakharov ([email protected]).
*/
pragma solidity ^0.7.6;

interface IOracleEth {

    // returns Q112-encoded value
    // returned value 10**18 * 2**112 is 1 Ether
    function assetToEth(address asset, uint amount) external view returns (uint);

    // returns the value "as is"
    function ethToUsd(uint amount) external view returns (uint);

    // returns the value "as is"
    function usdToEth(uint amount) external view returns (uint);
}

File 6 of 6 : IOracleRegistry.sol
// SPDX-License-Identifier: bsl-1.1

/*
  Copyright 2020 Unit Protocol: Artem Zakharov ([email protected]).
*/
pragma solidity ^0.7.6;
pragma abicoder v2;

interface IOracleRegistry {

    struct Oracle {
        uint oracleType;
        address oracleAddress;
    }

    function WETH (  ) external view returns ( address );
    function getKeydonixOracleTypes (  ) external view returns ( uint256[] memory );
    function getOracles (  ) external view returns ( Oracle[] memory foundOracles );
    function keydonixOracleTypes ( uint256 ) external view returns ( uint256 );
    function maxOracleType (  ) external view returns ( uint256 );
    function oracleByAsset ( address asset ) external view returns ( address );
    function oracleByType ( uint256 ) external view returns ( address );
    function oracleTypeByAsset ( address ) external view returns ( uint256 );
    function oracleTypeByOracle ( address ) external view returns ( uint256 );
    function setKeydonixOracleTypes ( uint256[] memory _keydonixOracleTypes ) external;
    function setOracle ( uint256 oracleType, address oracle ) external;
    function setOracleTypeForAsset ( address asset, uint256 oracleType ) external;
    function setOracleTypeForAssets ( address[] memory assets, uint256 oracleType ) external;
    function unsetOracle ( uint256 oracleType ) external;
    function unsetOracleForAsset ( address asset ) external;
    function unsetOracleForAssets ( address[] memory assets ) external;
    function vaultParameters (  ) external view returns ( address );
}

Settings
{
  "optimizer": {
    "enabled": true,
    "runs": 200
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "abi"
      ]
    }
  },
  "libraries": {}
}

Contract Security Audit

Contract ABI

[{"inputs":[{"internalType":"address","name":"_vaultParameters","type":"address"},{"internalType":"address","name":"_oracleRegistry","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"wrapped","type":"address"},{"indexed":true,"internalType":"address","name":"underlying","type":"address"}],"name":"NewUnderlying","type":"event"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"assetToUnderlying","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"asset","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"assetToUsd","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"oracleRegistry","outputs":[{"internalType":"contract IOracleRegistry","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"wrapped","type":"address"},{"internalType":"address","name":"underlying","type":"address"}],"name":"setUnderlying","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"vaultParameters","outputs":[{"internalType":"contract VaultParameters","name":"","type":"address"}],"stateMutability":"view","type":"function"}]

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Constructor Arguments (ABI-Encoded and is the last bytes of the Contract Creation Code above)

000000000000000000000000a8f0b5758041158cf0375b7adc8ac175ff031b6c0000000000000000000000000058ab54d4405d8084e8d71b8ab36b3091b21c7d

-----Decoded View---------------
Arg [0] : _vaultParameters (address): 0xa8f0b5758041158cf0375b7adc8ac175ff031b6c
Arg [1] : _oracleRegistry (address): 0x0058ab54d4405d8084e8d71b8ab36b3091b21c7d

-----Encoded View---------------
2 Constructor Arguments found :
Arg [0] : 000000000000000000000000a8f0b5758041158cf0375b7adc8ac175ff031b6c
Arg [1] : 0000000000000000000000000058ab54d4405d8084e8d71b8ab36b3091b21c7d


Block Transaction Gas Used Reward
Age Block Fee Address BC Fee Address Voting Power Jailed Incoming
Validator ID :
0 FTM

Amount Staked
0

Amount Delegated
0

Staking Total
0

Staking Start Epoch
0

Staking Start Time
0

Proof of Importance
0

Origination Score
0

Validation Score
0

Active
0

Online
0

Downtime
0 s
Address Amount claimed Rewards Created On Epoch Created On
Block Uncle Number Difficulty Gas Used Reward
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