FTM Price: $0.40 (-0.15%)
Gas: 18 Gwei

Contract

0xABeE81424c4BCC74F6B1aeED07f8Fc6B51e92085
 

Overview

FTM Balance

Fantom LogoFantom LogoFantom Logo0 FTM

FTM Value

$0.00

Sponsored

Transaction Hash
Method
Block
From
To
Value
Set Gov657878532023-07-14 15:25:51223 days 13 hrs ago1689348351IN
0xABeE81...51e92085
0 FTM0.01915577712.40198924
Set Is Price Fee...657867952023-07-14 15:09:26223 days 13 hrs ago1689347366IN
0xABeE81...51e92085
0 FTM0.03631171786.1209303
0x60806040657251232023-07-13 19:50:50224 days 8 hrs ago1689277850IN
 Contract Creation
0 FTM0.07888954308.61918031

Latest 1 internal transaction

Parent Txn Hash Block From To Value
657251232023-07-13 19:50:50224 days 8 hrs ago1689277850  Contract Creation0 FTM
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Similar Match Source Code
This contract matches the deployed Bytecode of the Source Code for Contract 0xDdE4c4...74Ca4387
The constructor portion of the code might be different and could alter the actual behaviour of the contract

Contract Name:
FastPriceEvents

Compiler Version
v0.6.12+commit.27d51765

Optimization Enabled:
Yes with 50 runs

Other Settings:
default evmVersion

Contract Source Code (Solidity Standard Json-Input format)

File 1 of 4 : FastPriceEvents.sol
// SPDX-License-Identifier: MIT

import "../libraries/math/SafeMath.sol";

import "./interfaces/IFastPriceEvents.sol";
import "../access/Governable.sol";

pragma solidity 0.6.12;

contract FastPriceEvents is IFastPriceEvents, Governable {
    mapping(address => bool) public isPriceFeed;
    event PriceUpdate(address token, uint256 price, address priceFeed);

    function setIsPriceFeed(address _priceFeed, bool _isPriceFeed) external onlyGov {
        isPriceFeed[_priceFeed] = _isPriceFeed;
    }

    function emitPriceEvent(address _token, uint256 _price) external override {
        require(isPriceFeed[msg.sender], "FastPriceEvents: invalid sender");
        emit PriceUpdate(_token, _price, msg.sender);
    }
}

File 2 of 4 : Governable.sol
// SPDX-License-Identifier: MIT

pragma solidity 0.6.12;

contract Governable {
    address public gov;

    constructor() public {
        gov = msg.sender;
    }

    modifier onlyGov() {
        require(msg.sender == gov, "Governable: forbidden");
        _;
    }

    function setGov(address _gov) external onlyGov {
        gov = _gov;
    }
}

File 3 of 4 : SafeMath.sol
// SPDX-License-Identifier: MIT

pragma solidity 0.6.12;

/**
 * @dev Wrappers over Solidity's arithmetic operations with added overflow
 * checks.
 *
 * Arithmetic operations in Solidity wrap on overflow. This can easily result
 * in bugs, because programmers usually assume that an overflow raises an
 * error, which is the standard behavior in high level programming languages.
 * `SafeMath` restores this intuition by reverting the transaction when an
 * operation overflows.
 *
 * Using this library instead of the unchecked operations eliminates an entire
 * class of bugs, so it's recommended to use it always.
 */
library SafeMath {
    /**
     * @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) {
        uint256 c = a + b;
        require(c >= a, "SafeMath: addition overflow");

        return c;
    }

    /**
     * @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 sub(a, b, "SafeMath: subtraction overflow");
    }

    /**
     * @dev Returns the subtraction of two unsigned integers, reverting with custom message on
     * overflow (when the result is negative).
     *
     * Counterpart to Solidity's `-` operator.
     *
     * Requirements:
     *
     * - Subtraction cannot overflow.
     */
    function sub(
        uint256 a,
        uint256 b,
        string memory errorMessage
    ) internal pure returns (uint256) {
        require(b <= a, errorMessage);
        uint256 c = a - b;

        return c;
    }

    /**
     * @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) {
        // 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 0;
        }

        uint256 c = a * b;
        require(c / a == b, "SafeMath: multiplication overflow");

        return c;
    }

    /**
     * @dev Returns the integer division of two unsigned integers. Reverts 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) internal pure returns (uint256) {
        return div(a, b, "SafeMath: division by zero");
    }

    /**
     * @dev Returns the integer division of two unsigned integers. Reverts 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) {
        require(b > 0, errorMessage);
        uint256 c = a / b;
        // assert(a == b * c + a % b); // There is no case in which this doesn't hold

        return c;
    }

    /**
     * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
     * Reverts 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 mod(a, b, "SafeMath: modulo by zero");
    }

    /**
     * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
     * Reverts with custom message 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,
        string memory errorMessage
    ) internal pure returns (uint256) {
        require(b != 0, errorMessage);
        return a % b;
    }
}

File 4 of 4 : IFastPriceEvents.sol
// SPDX-License-Identifier: MIT

pragma solidity 0.6.12;

interface IFastPriceEvents {
    function emitPriceEvent(address _token, uint256 _price) external;
}

Settings
{
  "optimizer": {
    "enabled": true,
    "runs": 50
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "libraries": {}
}

Contract Security Audit

Contract ABI

[{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"token","type":"address"},{"indexed":false,"internalType":"uint256","name":"price","type":"uint256"},{"indexed":false,"internalType":"address","name":"priceFeed","type":"address"}],"name":"PriceUpdate","type":"event"},{"inputs":[{"internalType":"address","name":"_token","type":"address"},{"internalType":"uint256","name":"_price","type":"uint256"}],"name":"emitPriceEvent","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"gov","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"isPriceFeed","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_gov","type":"address"}],"name":"setGov","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_priceFeed","type":"address"},{"internalType":"bool","name":"_isPriceFeed","type":"bool"}],"name":"setIsPriceFeed","outputs":[],"stateMutability":"nonpayable","type":"function"}]

Deployed Bytecode

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