false
true
0

Contract Address Details

0x60975074aFA788732EBA474CB772c945Ff972D5C

Contract Name
Spotter
Creator
0xbcaee0–64cea5 at 0x634850–84d6f6
Balance
0 PLS ( )
Tokens
Fetching tokens...
Transactions
131 Transactions
Transfers
0 Transfers
Gas Used
6,592,702
Last Balance Update
25860035
Warning! Contract bytecode has been changed and doesn't match the verified one. Therefore, interaction with this smart contract may be risky.
This contract has been partially verified via Sourcify. View contract in Sourcify repository
Contract name:
Spotter




Optimization enabled
true
Compiler version
v0.6.12+commit.27d51765




Optimization runs
200
EVM Version
istanbul




Verified at
2026-02-16T07:28:37.712857Z

Constructor Arguments

000000000000000000000000f99e69ae8a291cec187d1c756f0ea851135e1a2b

Arg [0] (address) : 0xf99e69ae8a291cec187d1c756f0ea851135e1a2b

Contract.sol

// SPDX-License-Identifier: AGPL-3.0-or-later

/// spot.sol -- Spotter

pragma solidity ^0.6.12;

interface VatLike {
    function file(bytes32, bytes32, uint) external;
}

interface PipLike {
    function peek() external returns (bytes32, bool);
}

contract Spotter {
    // --- Auth ---
    mapping (address => uint) public wards;
    function rely(address guy) external auth { 
        wards[guy] = 1; 
        emit Rely(guy);
    }
    function deny(address guy) external auth { 
        wards[guy] = 0; 
        emit Deny(guy);
    }
    modifier auth {
        require(wards[msg.sender] == 1, "Spotter/not-authorized");
        _;
    }

    // --- Data ---
    struct Ilk {
        PipLike pip;  // Price Feed
        uint256 mat;  // Liquidation ratio [ray]
    }

    mapping (bytes32 => Ilk) public ilks;

    VatLike public vat;  // CDP Engine
    uint256 public par;  // ref per dai [ray]
    uint256 public live;

    // --- Events ---
    event Poke(bytes32 ilk, bytes32 val, uint256 spot);
    event Rely(address indexed guy);
    event Deny(address indexed guy);
    event File(bytes32 indexed ilk, bytes32 indexed what, address data);
    event File(bytes32 indexed what, uint256 data);
    event File(bytes32 indexed ilk, bytes32 indexed what, uint256 data);
    event Cage();

    // --- Init ---
    constructor(address vat_) public {
        wards[msg.sender] = 1;
        vat = VatLike(vat_);
        par = ONE;
        live = 1;
    }

    // --- Math ---
    uint constant ONE = 10 ** 27;

    function mul(uint x, uint y) internal pure returns (uint z) {
        require(y == 0 || (z = x * y) / y == x);
    }
    function rdiv(uint x, uint y) internal pure returns (uint z) {
        z = mul(x, ONE) / y;
    }

    // --- Administration ---
    function file(bytes32 ilk, bytes32 what, address pip_) external auth {
        require(live == 1, "Spotter/not-live");
        if (what == "pip") {
            ilks[ilk].pip = PipLike(pip_);
            emit File(ilk, what, pip_);
        } else {
            revert("Spotter/file-unrecognized-param");
        }
    }
    function file(bytes32 what, uint data) external auth {
        require(live == 1, "Spotter/not-live");
        if (what == "par") {
            par = data;
            emit File(what, data);
        } else {
            revert("Spotter/file-unrecognized-param");
        }
    }
    function file(bytes32 ilk, bytes32 what, uint data) external auth {
        require(live == 1, "Spotter/not-live");
        if (what == "mat") {
            ilks[ilk].mat = data;
            emit File(ilk, what, data);
        } else {
            revert("Spotter/file-unrecognized-param");
        }
    }

    // --- Update value ---
    function poke(bytes32 ilk) external {
        (bytes32 val, bool has) = ilks[ilk].pip.peek();
        uint256 spot = has ? rdiv(rdiv(mul(uint(val), 10 ** 9), par), ilks[ilk].mat) : 0;
        vat.file(ilk, "spot", spot);
        emit Poke(ilk, val, spot);
    }

    function cage() external auth {
        live = 0;
        emit Cage();
    }
}

Compiler Settings

{"remappings":[],"optimizer":{"runs":200,"enabled":true},"metadata":{"bytecodeHash":"ipfs"},"libraries":{},"evmVersion":"istanbul","compilationTarget":{"Contract.sol":"Spotter"}}

Contract ABI

[{"type":"constructor","stateMutability":"nonpayable","inputs":[{"type":"address","name":"vat_","internalType":"address"}]},{"type":"event","name":"Cage","inputs":[],"anonymous":false},{"type":"event","name":"Deny","inputs":[{"type":"address","name":"guy","internalType":"address","indexed":true}],"anonymous":false},{"type":"event","name":"File","inputs":[{"type":"bytes32","name":"ilk","internalType":"bytes32","indexed":true},{"type":"bytes32","name":"what","internalType":"bytes32","indexed":true},{"type":"address","name":"data","internalType":"address","indexed":false}],"anonymous":false},{"type":"event","name":"File","inputs":[{"type":"bytes32","name":"what","internalType":"bytes32","indexed":true},{"type":"uint256","name":"data","internalType":"uint256","indexed":false}],"anonymous":false},{"type":"event","name":"File","inputs":[{"type":"bytes32","name":"ilk","internalType":"bytes32","indexed":true},{"type":"bytes32","name":"what","internalType":"bytes32","indexed":true},{"type":"uint256","name":"data","internalType":"uint256","indexed":false}],"anonymous":false},{"type":"event","name":"Poke","inputs":[{"type":"bytes32","name":"ilk","internalType":"bytes32","indexed":false},{"type":"bytes32","name":"val","internalType":"bytes32","indexed":false},{"type":"uint256","name":"spot","internalType":"uint256","indexed":false}],"anonymous":false},{"type":"event","name":"Rely","inputs":[{"type":"address","name":"guy","internalType":"address","indexed":true}],"anonymous":false},{"type":"function","stateMutability":"nonpayable","outputs":[],"name":"cage","inputs":[]},{"type":"function","stateMutability":"nonpayable","outputs":[],"name":"deny","inputs":[{"type":"address","name":"guy","internalType":"address"}]},{"type":"function","stateMutability":"nonpayable","outputs":[],"name":"file","inputs":[{"type":"bytes32","name":"ilk","internalType":"bytes32"},{"type":"bytes32","name":"what","internalType":"bytes32"},{"type":"uint256","name":"data","internalType":"uint256"}]},{"type":"function","stateMutability":"nonpayable","outputs":[],"name":"file","inputs":[{"type":"bytes32","name":"what","internalType":"bytes32"},{"type":"uint256","name":"data","internalType":"uint256"}]},{"type":"function","stateMutability":"nonpayable","outputs":[],"name":"file","inputs":[{"type":"bytes32","name":"ilk","internalType":"bytes32"},{"type":"bytes32","name":"what","internalType":"bytes32"},{"type":"address","name":"pip_","internalType":"address"}]},{"type":"function","stateMutability":"view","outputs":[{"type":"address","name":"pip","internalType":"contract PipLike"},{"type":"uint256","name":"mat","internalType":"uint256"}],"name":"ilks","inputs":[{"type":"bytes32","name":"","internalType":"bytes32"}]},{"type":"function","stateMutability":"view","outputs":[{"type":"uint256","name":"","internalType":"uint256"}],"name":"live","inputs":[]},{"type":"function","stateMutability":"view","outputs":[{"type":"uint256","name":"","internalType":"uint256"}],"name":"par","inputs":[]},{"type":"function","stateMutability":"nonpayable","outputs":[],"name":"poke","inputs":[{"type":"bytes32","name":"ilk","internalType":"bytes32"}]},{"type":"function","stateMutability":"nonpayable","outputs":[],"name":"rely","inputs":[{"type":"address","name":"guy","internalType":"address"}]},{"type":"function","stateMutability":"view","outputs":[{"type":"address","name":"","internalType":"contract VatLike"}],"name":"vat","inputs":[]},{"type":"function","stateMutability":"view","outputs":[{"type":"uint256","name":"","internalType":"uint256"}],"name":"wards","inputs":[{"type":"address","name":"","internalType":"address"}]}]

Contract Creation Code

Verify & Publish 
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Deployed ByteCode

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