PE-989 Executive Spell

archive/2022-05-18-DssSpell/DssSpell.sol

@@ -0,0 +1,151 @@
+// SPDX-License-Identifier: AGPL-3.0-or-later
+//
+// Copyright (C) 2021-2022 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/>.
+
+pragma solidity 0.6.12;
+
+// Enable ABIEncoderV2 when onboarding collateral
+// pragma experimental ABIEncoderV2;
+import "dss-exec-lib/DssExec.sol";
+import "dss-exec-lib/DssAction.sol";
+
+import { DssSpellCollateralOnboardingAction } from "./DssSpellCollateralOnboarding.sol";
+
+import "dss-interfaces/dss/EndAbstract.sol";
+import "dss-interfaces/dss/IlkRegistryAbstract.sol";
+import "dss-interfaces/dss/FlashAbstract.sol";
+import "dss-interfaces/dapp/DSTokenAbstract.sol";
+
+contract DssSpellAction is DssAction, DssSpellCollateralOnboardingAction {
+    // 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/bc2e40681e771c76d5f1fc48bad0131b0e18c7b6/governance/votes/Executive%20vote%20-%20May%2018%2C%202022.md -q -O - 2>/dev/null)"
+
+    string public constant override description =
+        "2022-05-18 MakerDAO Executive Spell | Hash: 0x7e92cd8a072a9130a349416ca0512edb1d87ef320abda8d7870c8c3d6fa7df29";
+
+    // Math
+
+    // 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/QmPgPVrVxDCGyNR5rGp9JC5AUxppLzUAqvncRJDcxQnX1u
+    //
+
+    address constant MCD_END   = 0x0e2e8F1D1326A4B9633D96222Ce399c708B19c28;
+    address constant MCD_CURE  = 0x0085c9feAb2335447E1F4DC9bf3593a8e28bdfc7;
+    address constant MCD_FLASH = 0x60744434d6339a6B27d73d9Eda62b6F66a0a04FA;
+
+    address immutable MCD_VAT          = DssExecLib.vat();
+    address immutable MCD_VOW          = DssExecLib.vow();
+    address immutable MCD_CAT          = DssExecLib.cat();
+    address immutable MCD_DOG          = DssExecLib.dog();
+    address immutable MCD_SPOT         = DssExecLib.spotter();
+    address immutable MCD_POT          = DssExecLib.pot();
+    address immutable MCD_ESM          = DssExecLib.esm();
+    address immutable ILK_REGISTRY     = DssExecLib.reg();
+    address immutable MCD_END_OLD      = DssExecLib.end();
+    address immutable MCD_FLASH_LEGACY = DssExecLib.getChangelogAddress("MCD_FLASH");
+    address immutable MCD_GOV          = DssExecLib.mkr();
+
+    address immutable SES_WALLET = 0x87AcDD9208f73bFc9207e1f6F0fDE906bcA95cc6;
+
+    function actions() public override {
+        // ---------------------------------------------------------------------
+        // Includes changes from the DssSpellCollateralOnboardingAction
+        // onboardNewCollaterals();
+
+        // -------------------------- Cure + New End ---------------------------
+        require(EndAbstract(MCD_END_OLD).live() == 1, "system-is-caged");
+        DssExecLib.setValue(MCD_END, "wait", EndAbstract(MCD_END_OLD).wait());
+        DssExecLib.setContract(MCD_END, "cure", MCD_CURE);
+        DssExecLib.authorize(MCD_CURE, MCD_END);
+
+        require(MCD_VAT == EndAbstract(MCD_END_OLD).vat(), "sanity-error-vat");
+        DssExecLib.setContract(MCD_END, "vat", MCD_VAT);
+        DssExecLib.authorize(MCD_VAT, MCD_END);
+        DssExecLib.deauthorize(MCD_VAT, MCD_END_OLD);
+
+        require(MCD_VOW == EndAbstract(MCD_END_OLD).vow(), "sanity-error-vow");
+        DssExecLib.setContract(MCD_END, "vow", MCD_VOW);
+        DssExecLib.authorize(MCD_VOW, MCD_END);
+        DssExecLib.deauthorize(MCD_VOW, MCD_END_OLD);
+
+        require(MCD_CAT == EndAbstract(MCD_END_OLD).cat(), "sanity-error-cat");
+        DssExecLib.setContract(MCD_END, "cat", MCD_CAT);
+        DssExecLib.authorize(MCD_CAT, MCD_END);
+        DssExecLib.deauthorize(MCD_CAT, MCD_END_OLD);
+
+        require(MCD_DOG == EndAbstract(MCD_END_OLD).dog(), "sanity-error-dog");
+        DssExecLib.setContract(MCD_END, "dog", MCD_DOG);
+        DssExecLib.authorize(MCD_DOG, MCD_END);
+        DssExecLib.deauthorize(MCD_DOG, MCD_END_OLD);
+
+        require(MCD_SPOT == EndAbstract(MCD_END_OLD).spot(), "sanity-error-spot");
+        DssExecLib.setContract(MCD_END, "spot", MCD_SPOT);
+        DssExecLib.authorize(MCD_SPOT, MCD_END);
+        DssExecLib.deauthorize(MCD_SPOT, MCD_END_OLD);
+
+        require(MCD_POT == EndAbstract(MCD_END_OLD).pot(), "sanity-error-pot");
+        DssExecLib.setContract(MCD_END, "pot", MCD_POT);
+        DssExecLib.authorize(MCD_POT, MCD_END);
+        DssExecLib.deauthorize(MCD_POT, MCD_END_OLD);
+
+        DssExecLib.setContract(MCD_ESM, "end", MCD_END);
+        DssExecLib.authorize(MCD_END, MCD_ESM);
+        DssExecLib.deauthorize(MCD_END_OLD, MCD_ESM);
+
+        bytes32[] memory ilks = IlkRegistryAbstract(ILK_REGISTRY).list();
+        for (uint256 i = 0; i < ilks.length; i++) {
+            bytes32 ilk = ilks[i];
+
+            address xlip = IlkRegistryAbstract(ILK_REGISTRY).xlip(ilk);
+            if (IlkRegistryAbstract(ILK_REGISTRY).class(ilks[i]) < 3) {
+                DssExecLib.deauthorize(xlip, MCD_END_OLD);
+                DssExecLib.authorize(xlip, MCD_END);
+            }
+
+            try DssExecLib.removeReaderFromWhitelist(IlkRegistryAbstract(ILK_REGISTRY).pip(ilk), MCD_END_OLD) {} catch {}
+            try DssExecLib.addReaderToWhitelist(IlkRegistryAbstract(ILK_REGISTRY).pip(ilk), MCD_END) {} catch {}
+        }
+
+        // --------------------------- New DssFlash ----------------------------
+
+        DssExecLib.authorize(MCD_VAT, MCD_FLASH);
+        uint256 newMax = FlashAbstract(MCD_FLASH_LEGACY).max() / 2;
+        DssExecLib.setValue(MCD_FLASH, "max", newMax);
+        DssExecLib.setValue(MCD_FLASH_LEGACY, "max", newMax);
+
+        // ------------------------ Transfer MKR to SES ------------------------
+        DSTokenAbstract(MCD_GOV).transfer(SES_WALLET, 541.47 ether);
+
+        // ----------------------------- Chainlog ------------------------------
+
+        DssExecLib.setChangelogAddress("MCD_END", MCD_END);
+        DssExecLib.setChangelogAddress("MCD_CURE", MCD_CURE);
+        DssExecLib.setChangelogAddress("MCD_FLASH", MCD_FLASH);
+        DssExecLib.setChangelogAddress("MCD_FLASH_LEGACY", MCD_FLASH_LEGACY);
+        DssExecLib.setChangelogVersion("1.13.0");
+    }
+}
+
+contract DssSpell is DssExec {
+    constructor() DssExec(block.timestamp + 30 days, address(new DssSpellAction())) public {}
+}