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/**
 *Submitted for verification at Etherscan.io on 2025-04-30
*/

// SPDX-License-Identifier: AGPL-3.0-or-later
pragma solidity =0.8.16 >=0.5.12 ^0.8.16;

// lib/dss-exec-lib/src/CollateralOpts.sol

//
// CollateralOpts.sol -- Data structure for onboarding collateral
//
// Copyright (C) 2020-2022 Dai Foundation
//
// 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/>.

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/DssExec.sol

//
// DssExec.sol -- MakerDAO Executive Spell Template
//
// Copyright (C) 2020-2022 Dai Foundation
//
// 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/>.

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. block.timestamp + 30 days)
    // @param _spellAction  The address of the spell action
    constructor(uint256 _expiration, address _spellAction) {
        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(block.timestamp <= expiration, "This contract has expired");
        require(eta == 0, "This spell has already been scheduled");
        eta = block.timestamp + 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);
    }
}

// lib/dss-test/lib/dss-interfaces/src/ERC/GemAbstract.sol

// A base ERC-20 abstract class
// https://eips.ethereum.org/EIPS/eip-20
interface GemAbstract {
    function totalSupply() external view returns (uint256);
    function balanceOf(address) external view returns (uint256);
    function allowance(address, address) external view returns (uint256);
    function approve(address, uint256) external returns (bool);
    function transfer(address, uint256) external returns (bool);
    function transferFrom(address, address, uint256) external returns (bool);
    function name() external view returns (string memory);
    function symbol() external view returns (string memory);
    function decimals() external view returns (uint8);
}

// lib/dss-exec-lib/src/DssExecLib.sol

//
// DssExecLib.sol -- MakerDAO Executive Spellcrafting Library
//
// Copyright (C) 2020-2022 Dai Foundation
//
// 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/>.

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, uint256) 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, uint256) external;
    function exit(address, uint256) external;
}

// Includes Median and OSM functions
interface OracleLike_0 {
    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);
}

interface RwaOracleLike {
    function bump(bytes32 ilk, uint256 val) external;
}

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 dai()        public view returns (address) { return getChangelogAddress("MCD_DAI"); }
    function mkr()        public view returns (address) { return getChangelogAddress("MCD_GOV"); }
    function vat()        public view returns (address) { return getChangelogAddress("MCD_VAT"); }
    function vow()        public view returns (address) { return getChangelogAddress("MCD_VOW"); }
    function end()        public view returns (address) { return getChangelogAddress("MCD_END"); }
    function reg()        public view returns (address) { return getChangelogAddress("ILK_REGISTRY"); }
    function autoLine()   public view returns (address) { return getChangelogAddress("MCD_IAM_AUTO_LINE"); }
    function daiJoin()    public view returns (address) { return getChangelogAddress("MCD_JOIN_DAI"); }
    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 setChangelogAddress(bytes32 _key, address _val) public {}
    function setChangelogVersion(string memory _version) public {}
    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 setIlkAutoLineParameters(bytes32 _ilk, uint256 _amount, uint256 _gap, uint256 _ttl) public {}
    function sendPaymentFromSurplusBuffer(address _target, uint256 _amount) public {}
    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) 2020-2022 Dai Foundation
//
// 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/>.

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 view 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 view virtual returns (string memory);

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

// 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/>.

interface DaiUsdsLike {
    function daiToUsds(address usr, uint256 wad) external;
}

interface MkrSkyLike {
    function mkrToSky(address usr, uint256 wad) external;
    function rate() external view returns (uint256);
}

interface PauseLike {
    function setDelay(uint256) external;
}

interface LitePsmLike {
    function kiss(address) external;
}

interface ProxyLike {
    function exec(address target, bytes calldata args) external payable returns (bytes memory out);
}

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/4ee57431afa70c85f5c643922a7cd066619f1927/governance/votes/Executive%20Vote%20-%20April%2030%2C%202025.md' -q -O - 2>/dev/null)"
    string public constant override description = "2025-04-30 MakerDAO Executive Spell | Hash: 0x5fb7937427fd3091b578b2c5a0149a679d1685081abf4eed96d7feb6785ad97e";

    // Set office hours according to the summary
    function officeHours() public pure override returns (bool) {
        return true;
    }

    // ---------- Rates ----------
    // 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
    //
    // uint256 internal constant X_PCT_RATE = ;

    // ---------- Math ----------
    uint256 internal constant MILLION = 10 ** 6;
    uint256 internal constant WAD     = 10 ** 18;

    // ---------- Contracts ----------
    GemAbstract internal immutable DAI             = GemAbstract(DssExecLib.dai());
    GemAbstract internal immutable MKR             = GemAbstract(DssExecLib.mkr());
    GemAbstract internal immutable SKY             = GemAbstract(DssExecLib.getChangelogAddress("SKY"));
    address internal immutable DAI_USDS            = DssExecLib.getChangelogAddress("DAI_USDS");
    address internal immutable MKR_SKY             = DssExecLib.getChangelogAddress("MKR_SKY");
    address internal immutable MCD_PAUSE           = DssExecLib.getChangelogAddress("MCD_PAUSE");
    address internal immutable MCD_LITE_PSM_USDC_A = DssExecLib.getChangelogAddress("MCD_LITE_PSM_USDC_A");

    address internal constant ALM_PROXY        = 0x491EDFB0B8b608044e227225C715981a30F3A44E;
    address internal constant EMSP_SPBEAM_HALT = 0xDECF4A7E4b9CAa3c3751D163866941a888618Ac0;

    // ---------- Wallets ----------
    address internal constant LAUNCH_PROJECT_FUNDING       = 0x3C5142F28567E6a0F172fd0BaaF1f2847f49D02F;
    address internal constant INTEGRATION_BOOST_INITIATIVE = 0xD6891d1DFFDA6B0B1aF3524018a1eE2E608785F7;

    // ---------- Constant Values ----------
    uint256 internal immutable MKR_SKY_RATE = MkrSkyLike(DssExecLib.getChangelogAddress("MKR_SKY")).rate();

    // ---------- Spark Proxy Spell ----------
    // Spark Proxy: https://github.com/marsfoundation/sparklend-deployments/blob/bba4c57d54deb6a14490b897c12a949aa035a99b/script/output/1/primary-sce-latest.json#L2
    address internal constant SPARK_PROXY = 0x3300f198988e4C9C63F75dF86De36421f06af8c4;
    address internal constant SPARK_SPELL = 0x9362B8a15ab78257b11a55F7CC272F4C4676C2fe;

    // ---------- STAR2 Proxy Spell ----------
    // Note: The deployment address for the Bloom Proxy can be found at https://forum.sky.money/t/technical-scope-of-the-star-2-allocator-launch/26190
    address internal constant BLOOM_PROXY = 0x1369f7b2b38c76B6478c0f0E66D94923421891Ba;
    address internal constant BLOOM_SPELL = 0x0c9CC5D5fF3baf096d29676039BD6fB94586111A;

    function actions() public override {
        // ---------- STAR2 Allocation System Updates ----------
        // Forum: https://forum.sky.money/t/technical-test-of-the-star2-allocation-system/26289
        // Poll: https://vote.makerdao.com/polling/QmepaQjk#poll-detail
        // Poll: https://vote.makerdao.com/polling/QmedB3hH

        // Whitelist STAR2 ALMProxy on the LitePSM with the following call:
        // MCD_LITE_PSM_USDC_A.kiss(0x491EDFB0B8b608044e227225C715981a30F3A44E)
        LitePsmLike(MCD_LITE_PSM_USDC_A).kiss(ALM_PROXY);

        // STAR2 Auto-line Changes
        // Increase DC-IAM gap by 40 million DAI from 10 million DAI to 50 million DAI.
        // Increase DC-IAM line by 90 million DAI from 10 million DAI to 100 million DAI.
        // Note: ttl is not specified in the exec sheet so it is left unchanged i.e. 24 hours
        DssExecLib.setIlkAutoLineParameters("ALLOCATOR-BLOOM-A", /* line = */ 100 * MILLION, /* gap = */ 50 * MILLION, /* ttl = */ 24 hours);

        // ---------- Increase GSM Pause Delay ----------
        // Forum: https://forum.sky.money/t/parameter-changes-poll-april-21-2025/26290
        // Poll: https://vote.makerdao.com/polling/QmedB3hH#poll-detail

        // Increase GSM delay by 30 hours from 18 hours to 48 hours.
        PauseLike(MCD_PAUSE).setDelay(48 hours);

        // ---------- Add Emergency Spell to Chainlog ----------
        // Forum: https://forum.sky.money/t/proposed-housekeeping-item-upcoming-executive-spell-2025-04-30/26304

        // Add EMSP_SPBEAM_HALT at 0xDECF4A7E4b9CAa3c3751D163866941a888618Ac0 to the Chainlog
        DssExecLib.setChangelogAddress("EMSP_SPBEAM_HALT", EMSP_SPBEAM_HALT);

        // Note: bump Chainlog version since a new key is being added
        DssExecLib.setChangelogVersion("1.19.10");

        // ---------- Top-up of the Integration Boost ----------
        // Forum: https://forum.sky.money/t/utilization-of-the-integration-boost-budget-a-5-2-1-2/25536/10
        // Atlas: https://sky-atlas.powerhouse.io/A.AG1.2.5.P13_Integration_Boost_Primitive/1c1f2ff0-8d73-81de-9e4f-c86f07474bf2%7C7896ed3326389fe3185c6795

        // Transfer 3,000,000 USDS to 0xD6891d1DFFDA6B0B1aF3524018a1eE2E608785F7
        _transferUsds(INTEGRATION_BOOST_INITIATIVE, 3_000_000 * WAD);

        // ---------- Launch Project Funding ----------
        // Forum: https://forum.sky.money/t/utilization-of-the-launch-project-under-the-accessibility-scope/21468/37
        // Atlas: https://sky-atlas.powerhouse.io/A.5.6_Launch_Project/1f433d9d-7cdb-406f-b7e8-f9bc4855eb77%7C8d5a

        // Transfer 5,000,000 USDS to 0x3C5142F28567E6a0F172fd0BaaF1f2847f49D02F
        _transferUsds(LAUNCH_PROJECT_FUNDING, 5_000_000 * WAD);

        // Transfer 30,000,000 SKY to 0x3C5142F28567E6a0F172fd0BaaF1f2847f49D02F
        _transferSky(LAUNCH_PROJECT_FUNDING, 30_000_000 * WAD);

        // ---------- Spark Proxy Spell ----------
        // Forum: https://forum.sky.money/t/may-1-2025-proposed-changes-to-spark-for-upcoming-spell/26288
        // Poll: https://vote.makerdao.com/polling/QmQM99z5
        // Poll: https://vote.makerdao.com/polling/QmfJ5yDF
        // Poll: https://vote.makerdao.com/polling/QmZ2vydY
        // Poll: https://vote.makerdao.com/polling/Qmdc28Ag
        // Poll: https://vote.makerdao.com/polling/Qmee2jez
        // Poll: https://vote.makerdao.com/polling/QmeNB8S1
        // Poll: https://vote.makerdao.com/polling/QmfBmrxq

        // Execute Spark Proxy spell at 0x9362B8a15ab78257b11a55F7CC272F4C4676C2fe
        ProxyLike(SPARK_PROXY).exec(SPARK_SPELL, abi.encodeWithSignature("execute()"));

        // ---------- STAR2 Proxy Spell ----------
        // Forum: https://forum.sky.money/t/technical-test-of-the-star2-allocation-system/26289
        // Poll: https://vote.makerdao.com/polling/QmepaQjk

        // Execute STAR2 Proxy spell at 0x0c9CC5D5fF3baf096d29676039BD6fB94586111A
        ProxyLike(BLOOM_PROXY).exec(BLOOM_SPELL, abi.encodeWithSignature("execute()"));
    }

    // ---------- Helper Functions ----------

    /// @notice wraps the operations required to transfer USDS from the surplus buffer.
    /// @param usr The USDS receiver.
    /// @param wad The USDS amount in wad precision (10 ** 18).
    function _transferUsds(address usr, uint256 wad) internal {
        // Note: Enforce whole units to avoid rounding errors
        require(wad % WAD == 0, "transferUsds/non-integer-wad");
        // Note: DssExecLib currently only supports Dai transfers from the surplus buffer.
        DssExecLib.sendPaymentFromSurplusBuffer(address(this), wad / WAD);
        // Note: Approve DAI_USDS for the amount sent to be able to convert it.
        DAI.approve(DAI_USDS, wad);
        // Note: Convert Dai to USDS for `usr`.
        DaiUsdsLike(DAI_USDS).daiToUsds(usr, wad);
    }

    /// @notice wraps the operations required to transfer SKY from the treasury.
    /// @param usr The SKY receiver.
    /// @param wad The SKY amount in wad precision (10 ** 18).
    function _transferSky(address usr, uint256 wad) internal {
        // Note: Calculate the equivalent amount of MKR required
        uint256 mkrWad = wad / MKR_SKY_RATE;
        // Note: if rounding error is expected, add an extra wei of MKR
        if (wad % MKR_SKY_RATE != 0) { mkrWad++; }
        // Note: Approve MKR_SKY for the amount sent to be able to convert it
        MKR.approve(MKR_SKY, mkrWad);
        // Note: Convert the calculated amount to SKY for `PAUSE_PROXY`
        MkrSkyLike(MKR_SKY).mkrToSky(address(this), mkrWad);
        // Note: Transfer originally requested amount, leaving extra on the `PAUSE_PROXY`
        GemAbstract(SKY).transfer(usr, wad);
    }

}

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

• No Contract Security Audit Submitted- Submit Audit Here

[{"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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