bgd-labs · reem · Oct 27, 2023
diff --git a/.assets/4422a290bbbd57f615385e22c6be99ae91417cb5.svg b/.assets/4422a290bbbd57f615385e22c6be99ae91417cb5.svg
diff --git a/.assets/ea5b7a01297938e46e8a311bf8a452b147d325a3.svg b/.assets/ea5b7a01297938e46e8a311bf8a452b147d325a3.svg
diff --git a/diffs/preTestArbitrumUpdate20231024mai_postTestArbitrumUpdate20231024mai.md b/diffs/preTestArbitrumUpdate20231024mai_postTestArbitrumUpdate20231024mai.md
@@ -0,0 +1,50 @@
+## Reserve changes
+
+### Reserves altered
+
+#### MAI ([0x3F56e0c36d275367b8C502090EDF38289b3dEa0d](https://arbiscan.io/address/0x3F56e0c36d275367b8C502090EDF38289b3dEa0d))
+
+| description | value before | value after |
+| --- | --- | --- |
+| reserveFactor | 20 % | 95 % |
+| interestRateStrategy | [0xA6459195d60A797D278f58Ffbd2BA62Fb3F7FA1E](https://arbiscan.io/address/0xA6459195d60A797D278f58Ffbd2BA62Fb3F7FA1E) | [0xb02381b1d27aA9845e5012083CA288c1818884f0](https://arbiscan.io/address/0xb02381b1d27aA9845e5012083CA288c1818884f0) |
+| optimalUsageRatio | 80 % | 45 % |
+| maxExcessUsageRatio | 20 % | 55 % |
+| variableRateSlope2 | 75 % | 300 % |
+| interestRate | ![before](/.assets/6328b8017499aaa1d67053e893c4dc04fca7def7.svg) | ![after](/.assets/ea5b7a01297938e46e8a311bf8a452b147d325a3.svg) |
+
+## Raw diff
+
+```json
+{
+  "reserves": {
+    "0x3F56e0c36d275367b8C502090EDF38289b3dEa0d": {
+      "interestRateStrategy": {
+        "from": "0xA6459195d60A797D278f58Ffbd2BA62Fb3F7FA1E",
+        "to": "0xb02381b1d27aA9845e5012083CA288c1818884f0"
+      },
+      "reserveFactor": {
+        "from": 2000,
+        "to": 9500
+      }
+    }
+  },
+  "strategies": {
+    "0xb02381b1d27aA9845e5012083CA288c1818884f0": {
+      "from": null,
+      "to": {
+        "baseStableBorrowRate": "50000000000000000000000000",
+        "baseVariableBorrowRate": 0,
+        "maxExcessStableToTotalDebtRatio": "800000000000000000000000000",
+        "maxExcessUsageRatio": "550000000000000000000000000",
+        "optimalStableToTotalDebtRatio": "200000000000000000000000000",
+        "optimalUsageRatio": "450000000000000000000000000",
+        "stableRateSlope1": "40000000000000000000000000",
+        "stableRateSlope2": "750000000000000000000000000",
+        "variableRateSlope1": "40000000000000000000000000",
+        "variableRateSlope2": "3000000000000000000000000000"
+      }
+    }
+  }
+}
+```
diff --git a/diffs/preTestAvalancheUpdate20231024mai_postTestAvalancheUpdate20231024mai.md b/diffs/preTestAvalancheUpdate20231024mai_postTestAvalancheUpdate20231024mai.md
@@ -0,0 +1,50 @@
+## Reserve changes
+
+### Reserves altered
+
+#### MAI ([0x5c49b268c9841AFF1Cc3B0a418ff5c3442eE3F3b](https://snowtrace.io/address/0x5c49b268c9841AFF1Cc3B0a418ff5c3442eE3F3b))
+
+| description | value before | value after |
+| --- | --- | --- |
+| reserveFactor | 20 % | 95 % |
+| interestRateStrategy | [0xfab05a6aF585da2F96e21452F91E812452996BD3](https://snowtrace.io/address/0xfab05a6aF585da2F96e21452F91E812452996BD3) | [0x04daBC3C1c052AB94AA2ca80140f2b978d2F6E17](https://snowtrace.io/address/0x04daBC3C1c052AB94AA2ca80140f2b978d2F6E17) |
+| optimalUsageRatio | 80 % | 45 % |
+| maxExcessUsageRatio | 20 % | 55 % |
+| variableRateSlope2 | 75 % | 300 % |
+| interestRate | ![before](/.assets/8d9de32bf30b1c9dcf71f07a13b228c69a71a4ce.svg) | ![after](/.assets/4422a290bbbd57f615385e22c6be99ae91417cb5.svg) |
+
+## Raw diff
+
+```json
+{
+  "reserves": {
+    "0x5c49b268c9841AFF1Cc3B0a418ff5c3442eE3F3b": {
+      "interestRateStrategy": {
+        "from": "0xfab05a6aF585da2F96e21452F91E812452996BD3",
+        "to": "0x04daBC3C1c052AB94AA2ca80140f2b978d2F6E17"
+      },
+      "reserveFactor": {
+        "from": 2000,
+        "to": 9500
+      }
+    }
+  },
+  "strategies": {
+    "0x04daBC3C1c052AB94AA2ca80140f2b978d2F6E17": {
+      "from": null,
+      "to": {
+        "baseStableBorrowRate": "50000000000000000000000000",
+        "baseVariableBorrowRate": 0,
+        "maxExcessStableToTotalDebtRatio": "800000000000000000000000000",
+        "maxExcessUsageRatio": "550000000000000000000000000",
+        "optimalStableToTotalDebtRatio": "200000000000000000000000000",
+        "optimalUsageRatio": "450000000000000000000000000",
+        "stableRateSlope1": "5000000000000000000000000",
+        "stableRateSlope2": "750000000000000000000000000",
+        "variableRateSlope1": "40000000000000000000000000",
+        "variableRateSlope2": "3000000000000000000000000000"
+      }
+    }
+  }
+}
+```
diff --git a/diffs/preTestOptimismUpdate20231024mai_postTestOptimismUpdate20231024mai.md b/diffs/preTestOptimismUpdate20231024mai_postTestOptimismUpdate20231024mai.md
@@ -0,0 +1,55 @@
+## Reserve changes
+
+### Reserves altered
+
+#### MAI ([0xdFA46478F9e5EA86d57387849598dbFB2e964b02](https://optimistic.etherscan.io/address/0xdFA46478F9e5EA86d57387849598dbFB2e964b02))
+
+| description | value before | value after |
+| --- | --- | --- |
+| liquidationThreshold | 80 % | 65 % |
+| reserveFactor | 20 % | 95 % |
+| interestRateStrategy | [0xD624AFA34614B4fe7FEe7e1751a2E5E04fb47398](https://optimistic.etherscan.io/address/0xD624AFA34614B4fe7FEe7e1751a2E5E04fb47398) | [0x6D6D3b7FC50999bf20dE5CC8e0F63AFD18B95f0e](https://optimistic.etherscan.io/address/0x6D6D3b7FC50999bf20dE5CC8e0F63AFD18B95f0e) |
+| optimalUsageRatio | 80 % | 45 % |
+| maxExcessUsageRatio | 20 % | 55 % |
+| variableRateSlope2 | 75 % | 300 % |
+| interestRate | ![before](/.assets/6328b8017499aaa1d67053e893c4dc04fca7def7.svg) | ![after](/.assets/ea5b7a01297938e46e8a311bf8a452b147d325a3.svg) |
+
+## Raw diff
+
+```json
+{
+  "reserves": {
+    "0xdFA46478F9e5EA86d57387849598dbFB2e964b02": {
+      "interestRateStrategy": {
+        "from": "0xD624AFA34614B4fe7FEe7e1751a2E5E04fb47398",
+        "to": "0x6D6D3b7FC50999bf20dE5CC8e0F63AFD18B95f0e"
+      },
+      "liquidationThreshold": {
+        "from": 8000,
+        "to": 6500
+      },
+      "reserveFactor": {
+        "from": 2000,
+        "to": 9500
+      }
+    }
+  },
+  "strategies": {
+    "0x6D6D3b7FC50999bf20dE5CC8e0F63AFD18B95f0e": {
+      "from": null,
+      "to": {
+        "baseStableBorrowRate": "50000000000000000000000000",
+        "baseVariableBorrowRate": 0,
+        "maxExcessStableToTotalDebtRatio": "800000000000000000000000000",
+        "maxExcessUsageRatio": "550000000000000000000000000",
+        "optimalStableToTotalDebtRatio": "200000000000000000000000000",
+        "optimalUsageRatio": "450000000000000000000000000",
+        "stableRateSlope1": "40000000000000000000000000",
+        "stableRateSlope2": "750000000000000000000000000",
+        "variableRateSlope1": "40000000000000000000000000",
+        "variableRateSlope2": "3000000000000000000000000000"
+      }
+    }
+  }
+}
+```
diff --git a/diffs/preTestPolygonUpdate20231024mai_postTestPolygonUpdate20231024mai.md b/diffs/preTestPolygonUpdate20231024mai_postTestPolygonUpdate20231024mai.md
@@ -0,0 +1,50 @@
+## Reserve changes
+
+### Reserves altered
+
+#### miMATIC ([0xa3Fa99A148fA48D14Ed51d610c367C61876997F1](https://polygonscan.com/address/0xa3Fa99A148fA48D14Ed51d610c367C61876997F1))
+
+| description | value before | value after |
+| --- | --- | --- |
+| reserveFactor | 20 % | 95 % |
+| interestRateStrategy | [0xA9F3C3caE095527061e6d270DBE163693e6fda9D](https://polygonscan.com/address/0xA9F3C3caE095527061e6d270DBE163693e6fda9D) | [0xD87974E8ED49AB16d5053ba793F4e17078Be0426](https://polygonscan.com/address/0xD87974E8ED49AB16d5053ba793F4e17078Be0426) |
+| optimalUsageRatio | 80 % | 45 % |
+| maxExcessUsageRatio | 20 % | 55 % |
+| variableRateSlope2 | 75 % | 300 % |
+| interestRate | ![before](/.assets/8d9de32bf30b1c9dcf71f07a13b228c69a71a4ce.svg) | ![after](/.assets/4422a290bbbd57f615385e22c6be99ae91417cb5.svg) |
+
+## Raw diff
+
+```json
+{
+  "reserves": {
+    "0xa3Fa99A148fA48D14Ed51d610c367C61876997F1": {
+      "interestRateStrategy": {
+        "from": "0xA9F3C3caE095527061e6d270DBE163693e6fda9D",
+        "to": "0xD87974E8ED49AB16d5053ba793F4e17078Be0426"
+      },
+      "reserveFactor": {
+        "from": 2000,
+        "to": 9500
+      }
+    }
+  },
+  "strategies": {
+    "0xD87974E8ED49AB16d5053ba793F4e17078Be0426": {
+      "from": null,
+      "to": {
+        "baseStableBorrowRate": "50000000000000000000000000",
+        "baseVariableBorrowRate": 0,
+        "maxExcessStableToTotalDebtRatio": "800000000000000000000000000",
+        "maxExcessUsageRatio": "550000000000000000000000000",
+        "optimalStableToTotalDebtRatio": "200000000000000000000000000",
+        "optimalUsageRatio": "450000000000000000000000000",
+        "stableRateSlope1": "5000000000000000000000000",
+        "stableRateSlope2": "750000000000000000000000000",
+        "variableRateSlope1": "40000000000000000000000000",
+        "variableRateSlope2": "3000000000000000000000000000"
+      }
+    }
+  }
+}
+```
diff --git a/src/AaveV3Update_20231024mai/AaveV3Arbitrum_20231024mai.sol b/src/AaveV3Update_20231024mai/AaveV3Arbitrum_20231024mai.sol
@@ -0,0 +1,72 @@
+// SPDX-License-Identifier: MIT
+pragma solidity ^0.8.0;
+
+import {IEngine, EngineFlags, Rates} from 'aave-helpers/v3-config-engine/AaveV3PayloadBase.sol';
+import {AaveV3PayloadArbitrum, AaveV3ArbitrumAssets} from 'aave-helpers/v3-config-engine/AaveV3PayloadArbitrum.sol';
+
+/**
+ * @title MAI/MIMATIC deprecation, 2023.10.23
+ * @author Gauntlet
+ * - Discussion: https://governance.aave.com/t/arfc-gauntlet-recommendation-for-mai-mimatic-deprecation/15119
+ */
+contract AaveV3ArbitrumUpdate20231024maiPayload is AaveV3PayloadArbitrum {
+  function collateralsUpdates() public pure override returns (IEngine.CollateralUpdate[] memory) {
+    IEngine.CollateralUpdate[] memory collateralUpdates = new IEngine.CollateralUpdate[](1);
+
+    collateralUpdates[0] = IEngine.CollateralUpdate({
+      asset: AaveV3ArbitrumAssets.MAI_UNDERLYING,
+      ltv: EngineFlags.KEEP_CURRENT,
+      liqThreshold: 0,
+      liqBonus: EngineFlags.KEEP_CURRENT,
+      debtCeiling: EngineFlags.KEEP_CURRENT,
+      liqProtocolFee: EngineFlags.KEEP_CURRENT,
+      eModeCategory: EngineFlags.KEEP_CURRENT
+    });
+
+    return collateralUpdates;
+  }
+
+  function borrowsUpdates() public pure override returns (IEngine.BorrowUpdate[] memory) {
+    IEngine.BorrowUpdate[] memory borrowUpdates = new IEngine.BorrowUpdate[](1);
+
+    borrowUpdates[0] = IEngine.BorrowUpdate({
+      asset: AaveV3ArbitrumAssets.MAI_UNDERLYING,
+      enabledToBorrow: EngineFlags.KEEP_CURRENT,
+      flashloanable: EngineFlags.KEEP_CURRENT,
+      stableRateModeEnabled: EngineFlags.KEEP_CURRENT,
+      borrowableInIsolation: EngineFlags.KEEP_CURRENT,
+      withSiloedBorrowing: EngineFlags.KEEP_CURRENT,
+      reserveFactor: 9500
+    });
+
+    return borrowUpdates;
+  }
+
+  function rateStrategiesUpdates()
+    public
+    pure
+    override
+    returns (IEngine.RateStrategyUpdate[] memory)
+  {
+    IEngine.RateStrategyUpdate[] memory rateStrategyUpdates = new IEngine.RateStrategyUpdate[](1);
+
+    Rates.RateStrategyParams memory paramsMAI_UNDERLYING = Rates.RateStrategyParams({
+      optimalUsageRatio: _bpsToRay(4500),
+      baseVariableBorrowRate: EngineFlags.KEEP_CURRENT,
+      variableRateSlope1: EngineFlags.KEEP_CURRENT,
+      variableRateSlope2: _bpsToRay(30000),
+      stableRateSlope1: EngineFlags.KEEP_CURRENT,
+      stableRateSlope2: EngineFlags.KEEP_CURRENT,
+      baseStableRateOffset: EngineFlags.KEEP_CURRENT,
+      stableRateExcessOffset: EngineFlags.KEEP_CURRENT,
+      optimalStableToTotalDebtRatio: EngineFlags.KEEP_CURRENT
+    });
+
+    rateStrategyUpdates[0] = IEngine.RateStrategyUpdate({
+      asset: AaveV3ArbitrumAssets.MAI_UNDERLYING,
+      params: paramsMAI_UNDERLYING
+    });
+
+    return rateStrategyUpdates;
+  }
+}
diff --git a/src/AaveV3Update_20231024mai/AaveV3Avalanche_20231024mai.sol b/src/AaveV3Update_20231024mai/AaveV3Avalanche_20231024mai.sol
@@ -0,0 +1,72 @@
+// SPDX-License-Identifier: MIT
+pragma solidity ^0.8.0;
+
+import {IEngine, EngineFlags, Rates} from 'aave-helpers/v3-config-engine/AaveV3PayloadBase.sol';
+import {AaveV3PayloadAvalanche, AaveV3AvalancheAssets} from 'aave-helpers/v3-config-engine/AaveV3PayloadAvalanche.sol';
+
+/**
+ * @title MAI/MIMATIC deprecation, 2023.10.23
+ * @author Gauntlet
+ * - Discussion: https://governance.aave.com/t/arfc-gauntlet-recommendation-for-mai-mimatic-deprecation/15119
+ */
+contract AaveV3AvalancheUpdate20231024maiPayload is AaveV3PayloadAvalanche {
+  function collateralsUpdates() public pure override returns (IEngine.CollateralUpdate[] memory) {
+    IEngine.CollateralUpdate[] memory collateralUpdates = new IEngine.CollateralUpdate[](1);
+
+    collateralUpdates[0] = IEngine.CollateralUpdate({
+      asset: AaveV3AvalancheAssets.MAI_UNDERLYING,
+      ltv: EngineFlags.KEEP_CURRENT,
+      liqThreshold: 0,
+      liqBonus: EngineFlags.KEEP_CURRENT,
+      debtCeiling: EngineFlags.KEEP_CURRENT,
+      liqProtocolFee: EngineFlags.KEEP_CURRENT,
+      eModeCategory: EngineFlags.KEEP_CURRENT
+    });
+
+    return collateralUpdates;
+  }
+
+  function borrowsUpdates() public pure override returns (IEngine.BorrowUpdate[] memory) {
+    IEngine.BorrowUpdate[] memory borrowUpdates = new IEngine.BorrowUpdate[](1);
+
+    borrowUpdates[0] = IEngine.BorrowUpdate({
+      asset: AaveV3AvalancheAssets.MAI_UNDERLYING,
+      enabledToBorrow: EngineFlags.KEEP_CURRENT,
+      flashloanable: EngineFlags.KEEP_CURRENT,
+      stableRateModeEnabled: EngineFlags.KEEP_CURRENT,
+      borrowableInIsolation: EngineFlags.KEEP_CURRENT,
+      withSiloedBorrowing: EngineFlags.KEEP_CURRENT,
+      reserveFactor: 9500
+    });
+
+    return borrowUpdates;
+  }
+
+  function rateStrategiesUpdates()
+    public
+    pure
+    override
+    returns (IEngine.RateStrategyUpdate[] memory)
+  {
+    IEngine.RateStrategyUpdate[] memory rateStrategyUpdates = new IEngine.RateStrategyUpdate[](1);
+
+    Rates.RateStrategyParams memory paramsMAI_UNDERLYING = Rates.RateStrategyParams({
+      optimalUsageRatio: _bpsToRay(4500),
+      baseVariableBorrowRate: EngineFlags.KEEP_CURRENT,
+      variableRateSlope1: EngineFlags.KEEP_CURRENT,
+      variableRateSlope2: _bpsToRay(30000),
+      stableRateSlope1: EngineFlags.KEEP_CURRENT,
+      stableRateSlope2: EngineFlags.KEEP_CURRENT,
+      baseStableRateOffset: EngineFlags.KEEP_CURRENT,
+      stableRateExcessOffset: EngineFlags.KEEP_CURRENT,
+      optimalStableToTotalDebtRatio: EngineFlags.KEEP_CURRENT
+    });
+
+    rateStrategyUpdates[0] = IEngine.RateStrategyUpdate({
+      asset: AaveV3AvalancheAssets.MAI_UNDERLYING,
+      params: paramsMAI_UNDERLYING
+    });
+
+    return rateStrategyUpdates;
+  }
+}