feat: Risk Stewards V4 Activation

src/20260807_Multi_AaveV4RiskStewardsActivation/AaveV4Avalanche_AaveV4RiskStewardsActivation_20260807.sol

@@ -0,0 +1,165 @@
+// SPDX-License-Identifier: MIT
+pragma solidity ^0.8.0;
+
+import {IProposalGenericExecutor} from 'aave-helpers/src/interfaces/IProposalGenericExecutor.sol';
+import {AaveV3Avalanche} from 'aave-address-book/AaveV3Avalanche.sol';
+import {AaveV4Avalanche} from 'aave-address-book/AaveV4Avalanche.sol';
+import {IRiskStewardV4} from 'src/interfaces/IRiskStewardV4.sol';
+import {AaveV4ConfiguratorRoles} from './AaveV4ConfiguratorRoles.sol';
+
+/**
+ * @title AaveV4RiskStewardsActivation
+ * @author Aave Labs
+ * - Snapshot: TODO
+ * - Discussion: https://governance.aave.com/t/arfc-activate-aave-risk-stewards-on-aave-v4/25510
+ */
+contract AaveV4Avalanche_AaveV4RiskStewardsActivation_20260807 is IProposalGenericExecutor {
+  // https://snowscan.xyz/address/0xd8d7AbC42c1c938BdEC94fF8da1b3cd5b7e3b107
+  address public constant RISK_STEWARD = 0xd8d7AbC42c1c938BdEC94fF8da1b3cd5b7e3b107;
+
+  function execute() external override {
+    AaveV4ConfiguratorRoles.breakDownDomainAdminRoles(
+      AaveV4Avalanche.ACCESS_MANAGER,
+      AaveV4Avalanche.HUB_CONFIGURATOR,
+      AaveV4Avalanche.SPOKE_CONFIGURATOR
+    );
+    _grantRoles();
+    IRiskStewardV4(RISK_STEWARD).setConfig(_riskStewardConfig());
+  }
+
+  /// @dev The steward only needs risk management to run its own entrypoints; emergency is granted
+  /// alongside it so it can also de-risk without a new proposal.
+  function _grantRoles() internal {
+    AaveV4Avalanche.ACCESS_MANAGER.grantRole({
+      roleId: AaveV4ConfiguratorRoles.HUB_CONFIGURATOR_RISK_MANAGEMENT_ROLE,
+      account: RISK_STEWARD,
+      executionDelay: 0
+    });
+    AaveV4Avalanche.ACCESS_MANAGER.grantRole({
+      roleId: AaveV4ConfiguratorRoles.HUB_CONFIGURATOR_EMERGENCY_ROLE,
+      account: RISK_STEWARD,
+      executionDelay: 0
+    });
+    AaveV4Avalanche.ACCESS_MANAGER.grantRole({
+      roleId: AaveV4ConfiguratorRoles.SPOKE_CONFIGURATOR_RISK_MANAGEMENT_ROLE,
+      account: RISK_STEWARD,
+      executionDelay: 0
+    });
+    AaveV4Avalanche.ACCESS_MANAGER.grantRole({
+      roleId: AaveV4ConfiguratorRoles.SPOKE_CONFIGURATOR_EMERGENCY_ROLE,
+      account: RISK_STEWARD,
+      executionDelay: 0
+    });
+    // the CAPO adapters behind the v4 price sources gate setCapParameters on the v3 ACL manager
+    AaveV3Avalanche.ACL_MANAGER.addRiskAdmin(RISK_STEWARD);
+  }
+
+  function _riskStewardConfig() internal pure returns (IRiskStewardV4.Config memory) {
+    return
+      IRiskStewardV4.Config({
+        hub: IRiskStewardV4.HubConfig({
+          configurator: AaveV4Avalanche.HUB_CONFIGURATOR,
+          rate: IRiskStewardV4.HubRateConfig({
+            optimalUsageRatio: IRiskStewardV4.RiskParamConfig({
+              minDelay: 36 hours,
+              maxPercentChange: 3_00,
+              isChangeRelative: false
+            }),
+            baseDrawnRate: IRiskStewardV4.RiskParamConfig({
+              minDelay: 36 hours,
+              maxPercentChange: 3_00,
+              isChangeRelative: false
+            }),
+            rateGrowthBeforeOptimal: IRiskStewardV4.RiskParamConfig({
+              minDelay: 36 hours,
+              maxPercentChange: 3_00,
+              isChangeRelative: false
+            }),
+            rateGrowthAfterOptimal: IRiskStewardV4.RiskParamConfig({
+              minDelay: 36 hours,
+              maxPercentChange: 20_00,
+              isChangeRelative: false
+            })
+          }),
+          cap: IRiskStewardV4.HubCapConfig({
+            addCap: IRiskStewardV4.RiskParamConfig({
+              minDelay: 36 hours,
+              maxPercentChange: 100_00,
+              isChangeRelative: true
+            }),
+            drawCap: IRiskStewardV4.RiskParamConfig({
+              minDelay: 36 hours,
+              maxPercentChange: 100_00,
+              isChangeRelative: true
+            })
+          })
+        }),
+        spoke: IRiskStewardV4.SpokeConfig({
+          configurator: AaveV4Avalanche.SPOKE_CONFIGURATOR,
+          collateralRisk: IRiskStewardV4.RiskParamConfig({
+            minDelay: 36 hours,
+            maxPercentChange: 300_00,
+            isChangeRelative: false
+          }),
+          dynamicUpdate: IRiskStewardV4.SpokeDynamicConfig({
+            collateralFactor: IRiskStewardV4.RiskParamConfig({
+              minDelay: 72 hours,
+              maxPercentChange: 50,
+              isChangeRelative: false
+            }),
+            maxLiquidationBonus: IRiskStewardV4.RiskParamConfig({
+              minDelay: 72 hours,
+              maxPercentChange: 50,
+              isChangeRelative: false
+            })
+          }),
+          dynamicAdd: IRiskStewardV4.SpokeDynamicConfig({
+            collateralFactor: IRiskStewardV4.RiskParamConfig({
+              minDelay: 72 hours,
+              maxPercentChange: 5_00,
+              isChangeRelative: false
+            }),
+            maxLiquidationBonus: IRiskStewardV4.RiskParamConfig({
+              minDelay: 72 hours,
+              maxPercentChange: 50,
+              isChangeRelative: false
+            })
+          }),
+          liquidation: IRiskStewardV4.SpokeLiquidationConfig({
+            targetHealthFactor: IRiskStewardV4.RiskParamConfig({
+              minDelay: 72 hours,
+              maxPercentChange: 5_00,
+              isChangeRelative: true
+            }),
+            healthFactorForMaxBonus: IRiskStewardV4.RiskParamConfig({
+              minDelay: 72 hours,
+              maxPercentChange: 5_00,
+              isChangeRelative: true
+            }),
+            liquidationBonusFactor: IRiskStewardV4.RiskParamConfig({
+              minDelay: 72 hours,
+              maxPercentChange: 5_00,
+              isChangeRelative: false
+            })
+          })
+        }),
+        oracle: IRiskStewardV4.OracleConfig({
+          priceCapLst: IRiskStewardV4.RiskParamConfig({
+            minDelay: 72 hours,
+            maxPercentChange: 5_00,
+            isChangeRelative: true
+          }),
+          priceCapStable: IRiskStewardV4.RiskParamConfig({
+            minDelay: 72 hours,
+            maxPercentChange: 50,
+            isChangeRelative: true
+          }),
+          discountRatePendle: IRiskStewardV4.RiskParamConfig({
+            minDelay: 48 hours,
+            maxPercentChange: 0.025e18,
+            isChangeRelative: false
+          })
+        })
+      });
+  }
+}