Contract 0xB18a078AAFD872fe06A2BA8c5A7CC068D6bD79a9

 
 
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0x75f850b22ed8f013e2fa330bf90a9b5a0016e163605f9301ba89eb2464048085Cast154344782022-08-29 14:00:32156 days 22 hrs ago0x5cab1e5286529370880776461c53a0e47d74fb63 IN 0xb18a078aafd872fe06a2ba8c5a7cc068d6bd79a90 Ether0.0105570840.79450177
0x4574c2249743fc1d4f66fe04b05119f0265ad0084e7a2a0d19a4bdf26d3cb5bdSchedule154099772022-08-25 15:50:39160 days 20 hrs ago0x5cab1e5286529370880776461c53a0e47d74fb63 IN 0xb18a078aafd872fe06a2ba8c5a7cc068d6bd79a90 Ether0.0025341727.31411383
0x7be6d5f6bb7b9194fd98d90a369aa11c019e9d10ea9a44f8d6e15a35e8d810b40x61010060153990732022-08-23 21:40:27162 days 14 hrs ago0xda0c0de020f80d43dde58c2653aa73d28df1fbe1 IN  Create: DssSpell0 Ether0.05670726 47.02956488
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0x7be6d5f6bb7b9194fd98d90a369aa11c019e9d10ea9a44f8d6e15a35e8d810b4153990732022-08-23 21:40:27162 days 14 hrs ago 0xb18a078aafd872fe06a2ba8c5a7cc068d6bd79a9  Contract Creation0 Ether
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Contract Source Code Verified (Exact Match)

Contract Name:
DssSpell

Compiler Version
v0.6.12+commit.27d51765

Optimization Enabled:
No with 200 runs

Other Settings:
default evmVersion, GNU AGPLv3 license

Contract Source Code (Solidity)

/**
 *Submitted for verification at Etherscan.io on 2022-08-23
*/

// hevm: flattened sources of src/DssSpell.sol
// SPDX-License-Identifier: AGPL-3.0-or-later
pragma solidity =0.6.12 >=0.6.12 <0.7.0;
// pragma experimental ABIEncoderV2;

////// lib/dss-exec-lib/src/CollateralOpts.sol
/* pragma solidity ^0.6.12; */

struct CollateralOpts {
    bytes32 ilk;
    address gem;
    address join;
    address clip;
    address calc;
    address pip;
    bool    isLiquidatable;
    bool    isOSM;
    bool    whitelistOSM;
    uint256 ilkDebtCeiling;
    uint256 minVaultAmount;
    uint256 maxLiquidationAmount;
    uint256 liquidationPenalty;
    uint256 ilkStabilityFee;
    uint256 startingPriceFactor;
    uint256 breakerTolerance;
    uint256 auctionDuration;
    uint256 permittedDrop;
    uint256 liquidationRatio;
    uint256 kprFlatReward;
    uint256 kprPctReward;
}

////// lib/dss-exec-lib/src/DssExecLib.sol
//
// DssExecLib.sol -- MakerDAO Executive Spellcrafting Library
//
// Copyright (C) 2020 Maker Ecosystem Growth Holdings, Inc.
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program.  If not, see <https://www.gnu.org/licenses/>.
/* pragma solidity ^0.6.12; */
/* // pragma experimental ABIEncoderV2; */

/* import { CollateralOpts } from "./CollateralOpts.sol"; */

interface Initializable {
    function init(bytes32) external;
}

interface Authorizable {
    function rely(address) external;
    function deny(address) external;
    function setAuthority(address) external;
}

interface Fileable {
    function file(bytes32, address) external;
    function file(bytes32, uint256) external;
    function file(bytes32, bytes32, uint256) external;
    function file(bytes32, bytes32, address) external;
}

interface Drippable {
    function drip() external returns (uint256);
    function drip(bytes32) external returns (uint256);
}

interface Pricing {
    function poke(bytes32) external;
}

interface ERC20 {
    function decimals() external returns (uint8);
}

interface DssVat {
    function hope(address) external;
    function nope(address) external;
    function ilks(bytes32) external returns (uint256 Art, uint256 rate, uint256 spot, uint256 line, uint256 dust);
    function Line() external view returns (uint256);
    function suck(address, address, uint) external;
}

interface ClipLike {
    function vat() external returns (address);
    function dog() external returns (address);
    function spotter() external view returns (address);
    function calc() external view returns (address);
    function ilk() external returns (bytes32);
}

interface DogLike {
    function ilks(bytes32) external returns (address clip, uint256 chop, uint256 hole, uint256 dirt);
}

interface JoinLike {
    function vat() external returns (address);
    function ilk() external returns (bytes32);
    function gem() external returns (address);
    function dec() external returns (uint256);
    function join(address, uint) external;
    function exit(address, uint) external;
}

// Includes Median and OSM functions
interface OracleLike_2 {
    function src() external view returns (address);
    function lift(address[] calldata) external;
    function drop(address[] calldata) external;
    function setBar(uint256) external;
    function kiss(address) external;
    function diss(address) external;
    function kiss(address[] calldata) external;
    function diss(address[] calldata) external;
    function orb0() external view returns (address);
    function orb1() external view returns (address);
}

interface MomLike {
    function setOsm(bytes32, address) external;
    function setPriceTolerance(address, uint256) external;
}

interface RegistryLike {
    function add(address) external;
    function xlip(bytes32) external view returns (address);
}

// https://github.com/makerdao/dss-chain-log
interface ChainlogLike {
    function setVersion(string calldata) external;
    function setIPFS(string calldata) external;
    function setSha256sum(string calldata) external;
    function getAddress(bytes32) external view returns (address);
    function setAddress(bytes32, address) external;
    function removeAddress(bytes32) external;
}

interface IAMLike {
    function ilks(bytes32) external view returns (uint256,uint256,uint48,uint48,uint48);
    function setIlk(bytes32,uint256,uint256,uint256) external;
    function remIlk(bytes32) external;
    function exec(bytes32) external returns (uint256);
}

interface LerpFactoryLike {
    function newLerp(bytes32 name_, address target_, bytes32 what_, uint256 startTime_, uint256 start_, uint256 end_, uint256 duration_) external returns (address);
    function newIlkLerp(bytes32 name_, address target_, bytes32 ilk_, bytes32 what_, uint256 startTime_, uint256 start_, uint256 end_, uint256 duration_) external returns (address);
}

interface LerpLike {
    function tick() external returns (uint256);
}


library DssExecLib {

    /* WARNING

The following library code acts as an interface to the actual DssExecLib
library, which can be found in its own deployed contract. Only trust the actual
library's implementation.

    */

    address constant public LOG = 0xdA0Ab1e0017DEbCd72Be8599041a2aa3bA7e740F;
    uint256 constant internal WAD      = 10 ** 18;
    uint256 constant internal RAY      = 10 ** 27;
    uint256 constant internal RAD      = 10 ** 45;
    uint256 constant internal THOUSAND = 10 ** 3;
    uint256 constant internal MILLION  = 10 ** 6;
    uint256 constant internal BPS_ONE_PCT             = 100;
    uint256 constant internal BPS_ONE_HUNDRED_PCT     = 100 * BPS_ONE_PCT;
    uint256 constant internal RATES_ONE_HUNDRED_PCT   = 1000000021979553151239153027;
    function add(uint256 x, uint256 y) internal pure returns (uint256 z) {}
    function end()        public view returns (address) { return getChangelogAddress("MCD_END"); }
    function reg()        public view returns (address) { return getChangelogAddress("ILK_REGISTRY"); }
    function lerpFab()    public view returns (address) { return getChangelogAddress("LERP_FAB"); }
    function clip(bytes32 _ilk) public view returns (address _clip) {}
    function flip(bytes32 _ilk) public view returns (address _flip) {}
    function calc(bytes32 _ilk) public view returns (address _calc) {}
    function getChangelogAddress(bytes32 _key) public view returns (address) {}
    function setAuthority(address _base, address _authority) public {}
    function canCast(uint40 _ts, bool _officeHours) public pure returns (bool) {}
    function nextCastTime(uint40 _eta, uint40 _ts, bool _officeHours) public pure returns (uint256 castTime) {}
    function linearInterpolation(bytes32 _name, address _target, bytes32 _ilk, bytes32 _what, uint256 _startTime, uint256 _start, uint256 _end, uint256 _duration) public returns (address) {}
}

////// lib/dss-exec-lib/src/DssAction.sol
//
// DssAction.sol -- DSS Executive Spell Actions
//
// Copyright (C) 2020 Maker Ecosystem Growth Holdings, Inc.
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program.  If not, see <https://www.gnu.org/licenses/>.

/* pragma solidity ^0.6.12; */

/* import { DssExecLib } from "./DssExecLib.sol"; */
/* import { CollateralOpts } from "./CollateralOpts.sol"; */

interface OracleLike_1 {
    function src() external view returns (address);
}

abstract contract DssAction {

    using DssExecLib for *;

    // Modifier used to limit execution time when office hours is enabled
    modifier limited {
        require(DssExecLib.canCast(uint40(block.timestamp), officeHours()), "Outside office hours");
        _;
    }

    // Office Hours defaults to true by default.
    //   To disable office hours, override this function and
    //    return false in the inherited action.
    function officeHours() public virtual returns (bool) {
        return true;
    }

    // DssExec calls execute. We limit this function subject to officeHours modifier.
    function execute() external limited {
        actions();
    }

    // DssAction developer must override `actions()` and place all actions to be called inside.
    //   The DssExec function will call this subject to the officeHours limiter
    //   By keeping this function public we allow simulations of `execute()` on the actions outside of the cast time.
    function actions() public virtual;

    // Provides a descriptive tag for bot consumption
    // This should be modified weekly to provide a summary of the actions
    // Hash: seth keccak -- "$(wget https://<executive-vote-canonical-post> -q -O - 2>/dev/null)"
    function description() external virtual view returns (string memory);

    // Returns the next available cast time
    function nextCastTime(uint256 eta) external returns (uint256 castTime) {
        require(eta <= uint40(-1));
        castTime = DssExecLib.nextCastTime(uint40(eta), uint40(block.timestamp), officeHours());
    }
}

////// lib/dss-exec-lib/src/DssExec.sol
//
// DssExec.sol -- MakerDAO Executive Spell Template
//
// Copyright (C) 2020 Maker Ecosystem Growth Holdings, Inc.
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program.  If not, see <https://www.gnu.org/licenses/>.

/* pragma solidity ^0.6.12; */

interface PauseAbstract {
    function delay() external view returns (uint256);
    function plot(address, bytes32, bytes calldata, uint256) external;
    function exec(address, bytes32, bytes calldata, uint256) external returns (bytes memory);
}

interface Changelog {
    function getAddress(bytes32) external view returns (address);
}

interface SpellAction {
    function officeHours() external view returns (bool);
    function description() external view returns (string memory);
    function nextCastTime(uint256) external view returns (uint256);
}

contract DssExec {

    Changelog      constant public log   = Changelog(0xdA0Ab1e0017DEbCd72Be8599041a2aa3bA7e740F);
    uint256                 public eta;
    bytes                   public sig;
    bool                    public done;
    bytes32       immutable public tag;
    address       immutable public action;
    uint256       immutable public expiration;
    PauseAbstract immutable public pause;

    // Provides a descriptive tag for bot consumption
    // This should be modified weekly to provide a summary of the actions
    // Hash: seth keccak -- "$(wget https://<executive-vote-canonical-post> -q -O - 2>/dev/null)"
    function description() external view returns (string memory) {
        return SpellAction(action).description();
    }

    function officeHours() external view returns (bool) {
        return SpellAction(action).officeHours();
    }

    function nextCastTime() external view returns (uint256 castTime) {
        return SpellAction(action).nextCastTime(eta);
    }

    // @param _description  A string description of the spell
    // @param _expiration   The timestamp this spell will expire. (Ex. now + 30 days)
    // @param _spellAction  The address of the spell action
    constructor(uint256 _expiration, address _spellAction) public {
        pause       = PauseAbstract(log.getAddress("MCD_PAUSE"));
        expiration  = _expiration;
        action      = _spellAction;

        sig = abi.encodeWithSignature("execute()");
        bytes32 _tag;                    // Required for assembly access
        address _action = _spellAction;  // Required for assembly access
        assembly { _tag := extcodehash(_action) }
        tag = _tag;
    }

    function schedule() public {
        require(now <= expiration, "This contract has expired");
        require(eta == 0, "This spell has already been scheduled");
        eta = now + PauseAbstract(pause).delay();
        pause.plot(action, tag, sig, eta);
    }

    function cast() public {
        require(!done, "spell-already-cast");
        done = true;
        pause.exec(action, tag, sig, eta);
    }
}

////// src/DssSpell.sol
// SPDX-FileCopyrightText: © 2020 Dai Foundation <www.daifoundation.org>
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program.  If not, see <https://www.gnu.org/licenses/>.

/* pragma solidity 0.6.12; */
// Enable ABIEncoderV2 when onboarding collateral through `DssExecLib.addNewCollateral()`
// // pragma experimental ABIEncoderV2;

/* import "dss-exec-lib/DssExec.sol"; */
/* import "dss-exec-lib/DssAction.sol"; */

// import { DssSpellCollateralAction } from "./DssSpellCollateral.sol";

interface RwaUrnLike {
    function draw(uint256) external;
}

contract DssSpellAction is DssAction {
    // Provides a descriptive tag for bot consumption
    // This should be modified weekly to provide a summary of the actions
    // Hash: cast keccak -- "$(wget https://raw.githubusercontent.com/makerdao/community/f00be45def634c9185f4561a8f1549f28e704d11/governance/votes/Executive%20vote%20-%20August%2024%2C%202022.md -q -O - 2>/dev/null)"
    string public constant override description =
        "2022-08-24 MakerDAO Executive Spell | Hash: 0x47527eb9c08846cf35e779272c00c60f86ce6a5a745b46772ba5747d22e893e2";

    uint256 public constant WAD = 10**18;

    uint256 public constant RWA009_DRAW_AMOUNT = 25_000_000 * WAD;

    // Many of the settings that change weekly rely on the rate accumulator
    // described at https://docs.makerdao.com/smart-contract-modules/rates-module
    // To check this yourself, use the following rate calculation (example 8%):
    //
    // $ bc -l <<< 'scale=27; e( l(1.08)/(60 * 60 * 24 * 365) )'
    //
    // A table of rates can be found at
    //    https://ipfs.io/ipfs/QmVp4mhhbwWGTfbh2BzwQB9eiBrQBKiqcPRZCaAxNUaar6
    //
    // --- Rates ---

    function actions() public override {
        // ---------------------------------------------------------------------
        // Includes changes from the DssSpellCollateralAction
        // onboardNewCollaterals();
        // offboardCollaterals();

        // ----------------------------- RWA Draws -----------------------------
        // https://vote.makerdao.com/polling/QmQMDasC#poll-detail
        // Weekly Draw for HVB
        address RWA009_A_URN = DssExecLib.getChangelogAddress("RWA009_A_URN");
        RwaUrnLike(RWA009_A_URN).draw(RWA009_DRAW_AMOUNT);
    }
}

contract DssSpell is DssExec {
    constructor() DssExec(block.timestamp + 30 days, address(new DssSpellAction())) public {}
}

Contract Security Audit

Contract ABI

[{"inputs":[],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[],"name":"action","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"cast","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"description","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"done","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"eta","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"expiration","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"log","outputs":[{"internalType":"contract Changelog","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"nextCastTime","outputs":[{"internalType":"uint256","name":"castTime","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"officeHours","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"pause","outputs":[{"internalType":"contract PauseAbstract","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"schedule","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"sig","outputs":[{"internalType":"bytes","name":"","type":"bytes"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"tag","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"}]

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Libraries Used


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