WstEth borrow rate update (#587)

* updated borrow rate of wstEth

* added readme

* bugfix

diffs/AaveV3Arbitrum_WstETHBorrowRateUpdate_20250128_before_AaveV3Arbitrum_WstETHBorrowRateUpdate_20250128_after.md

@@ -0,0 +1,45 @@
+## Reserve changes
+
+### Reserves altered
+
+#### wstETH ([0x5979D7b546E38E414F7E9822514be443A4800529](https://arbiscan.io/address/0x5979D7b546E38E414F7E9822514be443A4800529))
+
+| description | value before | value after |
+| --- | --- | --- |
+| optimalUsageRatio | 45 % | 90 % |
+| maxVariableBorrowRate | 84.75 % | 85.75 % |
+| baseVariableBorrowRate | 0.25 % | 0 % |
+| variableRateSlope1 | 4.5 % | 0.75 % |
+| variableRateSlope2 | 80 % | 85 % |
+| interestRate | ![before](https://dash.onaave.com/api/static?variableRateSlope1=45000000000000000000000000&variableRateSlope2=800000000000000000000000000&optimalUsageRatio=450000000000000000000000000&baseVariableBorrowRate=2500000000000000000000000&maxVariableBorrowRate=847500000000000000000000000) | ![after](https://dash.onaave.com/api/static?variableRateSlope1=7500000000000000000000000&variableRateSlope2=850000000000000000000000000&optimalUsageRatio=900000000000000000000000000&baseVariableBorrowRate=0&maxVariableBorrowRate=857500000000000000000000000) |
+
+## Raw diff
+
+```json
+{
+  "strategies": {
+    "0x5979D7b546E38E414F7E9822514be443A4800529": {
+      "baseVariableBorrowRate": {
+        "from": "2500000000000000000000000",
+        "to": "0"
+      },
+      "maxVariableBorrowRate": {
+        "from": "847500000000000000000000000",
+        "to": "857500000000000000000000000"
+      },
+      "optimalUsageRatio": {
+        "from": "450000000000000000000000000",
+        "to": "900000000000000000000000000"
+      },
+      "variableRateSlope1": {
+        "from": "45000000000000000000000000",
+        "to": "7500000000000000000000000"
+      },
+      "variableRateSlope2": {
+        "from": "800000000000000000000000000",
+        "to": "850000000000000000000000000"
+      }
+    }
+  }
+}
+```

diffs/AaveV3Base_WstETHBorrowRateUpdate_20250128_before_AaveV3Base_WstETHBorrowRateUpdate_20250128_after.md

@@ -0,0 +1,40 @@
+## Reserve changes
+
+### Reserves altered
+
+#### wstETH ([0xc1CBa3fCea344f92D9239c08C0568f6F2F0ee452](https://basescan.org/address/0xc1CBa3fCea344f92D9239c08C0568f6F2F0ee452))
+
+| description | value before | value after |
+| --- | --- | --- |
+| optimalUsageRatio | 45 % | 90 % |
+| maxVariableBorrowRate | 307 % | 85.75 % |
+| variableRateSlope1 | 7 % | 0.75 % |
+| variableRateSlope2 | 300 % | 85 % |
+| interestRate | ![before](https://dash.onaave.com/api/static?variableRateSlope1=70000000000000000000000000&variableRateSlope2=3000000000000000000000000000&optimalUsageRatio=450000000000000000000000000&baseVariableBorrowRate=0&maxVariableBorrowRate=3070000000000000000000000000) | ![after](https://dash.onaave.com/api/static?variableRateSlope1=7500000000000000000000000&variableRateSlope2=850000000000000000000000000&optimalUsageRatio=900000000000000000000000000&baseVariableBorrowRate=0&maxVariableBorrowRate=857500000000000000000000000) |
+
+## Raw diff
+
+```json
+{
+  "strategies": {
+    "0xc1CBa3fCea344f92D9239c08C0568f6F2F0ee452": {
+      "maxVariableBorrowRate": {
+        "from": "3070000000000000000000000000",
+        "to": "857500000000000000000000000"
+      },
+      "optimalUsageRatio": {
+        "from": "450000000000000000000000000",
+        "to": "900000000000000000000000000"
+      },
+      "variableRateSlope1": {
+        "from": "70000000000000000000000000",
+        "to": "7500000000000000000000000"
+      },
+      "variableRateSlope2": {
+        "from": "3000000000000000000000000000",
+        "to": "850000000000000000000000000"
+      }
+    }
+  }
+}
+```

diffs/AaveV3Scroll_WstETHBorrowRateUpdate_20250128_before_AaveV3Scroll_WstETHBorrowRateUpdate_20250128_after.md

@@ -0,0 +1,40 @@
+## Reserve changes
+
+### Reserves altered
+
+#### wstETH ([0xf610A9dfB7C89644979b4A0f27063E9e7d7Cda32](https://scrollscan.com/address/0xf610A9dfB7C89644979b4A0f27063E9e7d7Cda32))
+
+| description | value before | value after |
+| --- | --- | --- |
+| optimalUsageRatio | 45 % | 90 % |
+| maxVariableBorrowRate | 307 % | 85.75 % |
+| variableRateSlope1 | 7 % | 0.75 % |
+| variableRateSlope2 | 300 % | 85 % |
+| interestRate | ![before](https://dash.onaave.com/api/static?variableRateSlope1=70000000000000000000000000&variableRateSlope2=3000000000000000000000000000&optimalUsageRatio=450000000000000000000000000&baseVariableBorrowRate=0&maxVariableBorrowRate=3070000000000000000000000000) | ![after](https://dash.onaave.com/api/static?variableRateSlope1=7500000000000000000000000&variableRateSlope2=850000000000000000000000000&optimalUsageRatio=900000000000000000000000000&baseVariableBorrowRate=0&maxVariableBorrowRate=857500000000000000000000000) |
+
+## Raw diff
+
+```json
+{
+  "strategies": {
+    "0xf610A9dfB7C89644979b4A0f27063E9e7d7Cda32": {
+      "maxVariableBorrowRate": {
+        "from": "3070000000000000000000000000",
+        "to": "857500000000000000000000000"
+      },
+      "optimalUsageRatio": {
+        "from": "450000000000000000000000000",
+        "to": "900000000000000000000000000"
+      },
+      "variableRateSlope1": {
+        "from": "70000000000000000000000000",
+        "to": "7500000000000000000000000"
+      },
+      "variableRateSlope2": {
+        "from": "3000000000000000000000000000",
+        "to": "850000000000000000000000000"
+      }
+    }
+  }
+}
+```

diffs/AaveV3ZkSync_WstETHBorrowRateUpdate_20250128_before_AaveV3ZkSync_WstETHBorrowRateUpdate_20250128_after.md

@@ -0,0 +1,40 @@
+## Reserve changes
+
+### Reserves altered
+
+#### wstETH ([0x703b52F2b28fEbcB60E1372858AF5b18849FE867](https://era.zksync.network//address/0x703b52F2b28fEbcB60E1372858AF5b18849FE867))
+
+| description | value before | value after |
+| --- | --- | --- |
+| optimalUsageRatio | 45 % | 90 % |
+| maxVariableBorrowRate | 84.5 % | 85.75 % |
+| variableRateSlope1 | 4.5 % | 0.75 % |
+| variableRateSlope2 | 80 % | 85 % |
+| interestRate | ![before](https://dash.onaave.com/api/static?variableRateSlope1=45000000000000000000000000&variableRateSlope2=800000000000000000000000000&optimalUsageRatio=450000000000000000000000000&baseVariableBorrowRate=0&maxVariableBorrowRate=845000000000000000000000000) | ![after](https://dash.onaave.com/api/static?variableRateSlope1=7500000000000000000000000&variableRateSlope2=850000000000000000000000000&optimalUsageRatio=900000000000000000000000000&baseVariableBorrowRate=0&maxVariableBorrowRate=857500000000000000000000000) |
+
+## Raw diff
+
+```json
+{
+  "strategies": {
+    "0x703b52F2b28fEbcB60E1372858AF5b18849FE867": {
+      "maxVariableBorrowRate": {
+        "from": "845000000000000000000000000",
+        "to": "857500000000000000000000000"
+      },
+      "optimalUsageRatio": {
+        "from": "450000000000000000000000000",
+        "to": "900000000000000000000000000"
+      },
+      "variableRateSlope1": {
+        "from": "45000000000000000000000000",
+        "to": "7500000000000000000000000"
+      },
+      "variableRateSlope2": {
+        "from": "800000000000000000000000000",
+        "to": "850000000000000000000000000"
+      }
+    }
+  }
+}
+```

src/20250128_Multi_WstETHBorrowRateUpdate/AaveV3Arbitrum_WstETHBorrowRateUpdate_20250128.sol

@@ -0,0 +1,34 @@
+// SPDX-License-Identifier: MIT
+pragma solidity ^0.8.0;
+
+import {AaveV3ArbitrumAssets} from 'aave-address-book/AaveV3Arbitrum.sol';
+import {AaveV3PayloadArbitrum} from 'aave-helpers/src/v3-config-engine/AaveV3PayloadArbitrum.sol';
+import {IAaveV3ConfigEngine} from 'aave-v3-origin/contracts/extensions/v3-config-engine/IAaveV3ConfigEngine.sol';
+/**
+ * @title wstETH Borrow Rate Update
+ * @author TokenLogic
+ * - Snapshot: https://snapshot.org/#/s:aave.eth/proposal/0xcb271a2308f78eeab5cbf5576938b61e7437c99781320c1340c885a656c9dbdc
+ * - Discussion: https://governance.aave.com/t/arfc-wsteth-borrow-rate-update/20762
+ */
+contract AaveV3Arbitrum_WstETHBorrowRateUpdate_20250128 is AaveV3PayloadArbitrum {
+  function rateStrategiesUpdates()
+    public
+    pure
+    override
+    returns (IAaveV3ConfigEngine.RateStrategyUpdate[] memory)
+  {
+    IAaveV3ConfigEngine.RateStrategyUpdate[]
+      memory rateStrategies = new IAaveV3ConfigEngine.RateStrategyUpdate[](1);
+    rateStrategies[0] = IAaveV3ConfigEngine.RateStrategyUpdate({
+      asset: AaveV3ArbitrumAssets.wstETH_UNDERLYING,
+      params: IAaveV3ConfigEngine.InterestRateInputData({
+        optimalUsageRatio: 90_00,
+        baseVariableBorrowRate: 0,
+        variableRateSlope1: 75,
+        variableRateSlope2: 85_00
+      })
+    });
+
+    return rateStrategies;
+  }
+}

src/20250128_Multi_WstETHBorrowRateUpdate/AaveV3Arbitrum_WstETHBorrowRateUpdate_20250128.t.sol

@@ -0,0 +1,32 @@
+// SPDX-License-Identifier: MIT
+pragma solidity ^0.8.0;
+
+import {AaveV3Arbitrum} from 'aave-address-book/AaveV3Arbitrum.sol';
+
+import 'forge-std/Test.sol';
+import {ProtocolV3TestBase, ReserveConfig} from 'aave-helpers/src/ProtocolV3TestBase.sol';
+import {AaveV3Arbitrum_WstETHBorrowRateUpdate_20250128} from './AaveV3Arbitrum_WstETHBorrowRateUpdate_20250128.sol';
+
+/**
+ * @dev Test for AaveV3Arbitrum_WstETHBorrowRateUpdate_20250128
+ * command: FOUNDRY_PROFILE=arbitrum forge test --match-path=src/20250128_Multi_WstETHBorrowRateUpdate/AaveV3Arbitrum_WstETHBorrowRateUpdate_20250128.t.sol -vv
+ */
+contract AaveV3Arbitrum_WstETHBorrowRateUpdate_20250128_Test is ProtocolV3TestBase {
+  AaveV3Arbitrum_WstETHBorrowRateUpdate_20250128 internal proposal;
+
+  function setUp() public {
+    vm.createSelectFork(vm.rpcUrl('arbitrum'), 300154330);
+    proposal = new AaveV3Arbitrum_WstETHBorrowRateUpdate_20250128();
+  }
+
+  /**
+   * @dev executes the generic test suite including e2e and config snapshots
+   */
+  function test_defaultProposalExecution() public {
+    defaultTest(
+      'AaveV3Arbitrum_WstETHBorrowRateUpdate_20250128',
+      AaveV3Arbitrum.POOL,
+      address(proposal)
+    );
+  }
+}

src/20250128_Multi_WstETHBorrowRateUpdate/AaveV3Base_WstETHBorrowRateUpdate_20250128.sol

@@ -0,0 +1,34 @@
+// SPDX-License-Identifier: MIT
+pragma solidity ^0.8.0;
+
+import {AaveV3BaseAssets} from 'aave-address-book/AaveV3Base.sol';
+import {AaveV3PayloadBase} from 'aave-helpers/src/v3-config-engine/AaveV3PayloadBase.sol';
+import {IAaveV3ConfigEngine} from 'aave-v3-origin/contracts/extensions/v3-config-engine/IAaveV3ConfigEngine.sol';
+/**
+ * @title wstETH Borrow Rate Update
+ * @author TokenLogic
+ * - Snapshot: https://snapshot.org/#/s:aave.eth/proposal/0xcb271a2308f78eeab5cbf5576938b61e7437c99781320c1340c885a656c9dbdc
+ * - Discussion: https://governance.aave.com/t/arfc-wsteth-borrow-rate-update/20762
+ */
+contract AaveV3Base_WstETHBorrowRateUpdate_20250128 is AaveV3PayloadBase {
+  function rateStrategiesUpdates()
+    public
+    pure
+    override
+    returns (IAaveV3ConfigEngine.RateStrategyUpdate[] memory)
+  {
+    IAaveV3ConfigEngine.RateStrategyUpdate[]
+      memory rateStrategies = new IAaveV3ConfigEngine.RateStrategyUpdate[](1);
+    rateStrategies[0] = IAaveV3ConfigEngine.RateStrategyUpdate({
+      asset: AaveV3BaseAssets.wstETH_UNDERLYING,
+      params: IAaveV3ConfigEngine.InterestRateInputData({
+        optimalUsageRatio: 90_00,
+        baseVariableBorrowRate: 0,
+        variableRateSlope1: 75,
+        variableRateSlope2: 85_00
+      })
+    });
+
+    return rateStrategies;
+  }
+}

src/20250128_Multi_WstETHBorrowRateUpdate/AaveV3Base_WstETHBorrowRateUpdate_20250128.t.sol

@@ -0,0 +1,28 @@
+// SPDX-License-Identifier: MIT
+pragma solidity ^0.8.0;
+
+import {AaveV3Base} from 'aave-address-book/AaveV3Base.sol';
+
+import 'forge-std/Test.sol';
+import {ProtocolV3TestBase, ReserveConfig} from 'aave-helpers/src/ProtocolV3TestBase.sol';
+import {AaveV3Base_WstETHBorrowRateUpdate_20250128} from './AaveV3Base_WstETHBorrowRateUpdate_20250128.sol';
+
+/**
+ * @dev Test for AaveV3Base_WstETHBorrowRateUpdate_20250128
+ * command: FOUNDRY_PROFILE=base forge test --match-path=src/20250128_Multi_WstETHBorrowRateUpdate/AaveV3Base_WstETHBorrowRateUpdate_20250128.t.sol -vv
+ */
+contract AaveV3Base_WstETHBorrowRateUpdate_20250128_Test is ProtocolV3TestBase {
+  AaveV3Base_WstETHBorrowRateUpdate_20250128 internal proposal;
+
+  function setUp() public {
+    vm.createSelectFork(vm.rpcUrl('base'), 25638941);
+    proposal = new AaveV3Base_WstETHBorrowRateUpdate_20250128();
+  }
+
+  /**
+   * @dev executes the generic test suite including e2e and config snapshots
+   */
+  function test_defaultProposalExecution() public {
+    defaultTest('AaveV3Base_WstETHBorrowRateUpdate_20250128', AaveV3Base.POOL, address(proposal));
+  }
+}

src/20250128_Multi_WstETHBorrowRateUpdate/AaveV3Scroll_WstETHBorrowRateUpdate_20250128.sol

@@ -0,0 +1,34 @@
+// SPDX-License-Identifier: MIT
+pragma solidity ^0.8.0;
+
+import {AaveV3ScrollAssets} from 'aave-address-book/AaveV3Scroll.sol';
+import {AaveV3PayloadScroll} from 'aave-helpers/src/v3-config-engine/AaveV3PayloadScroll.sol';
+import {IAaveV3ConfigEngine} from 'aave-v3-origin/contracts/extensions/v3-config-engine/IAaveV3ConfigEngine.sol';
+/**
+ * @title wstETH Borrow Rate Update
+ * @author TokenLogic
+ * - Snapshot: https://snapshot.org/#/s:aave.eth/proposal/0xcb271a2308f78eeab5cbf5576938b61e7437c99781320c1340c885a656c9dbdc
+ * - Discussion: https://governance.aave.com/t/arfc-wsteth-borrow-rate-update/20762
+ */
+contract AaveV3Scroll_WstETHBorrowRateUpdate_20250128 is AaveV3PayloadScroll {
+  function rateStrategiesUpdates()
+    public
+    pure
+    override
+    returns (IAaveV3ConfigEngine.RateStrategyUpdate[] memory)
+  {
+    IAaveV3ConfigEngine.RateStrategyUpdate[]
+      memory rateStrategies = new IAaveV3ConfigEngine.RateStrategyUpdate[](1);
+    rateStrategies[0] = IAaveV3ConfigEngine.RateStrategyUpdate({
+      asset: AaveV3ScrollAssets.wstETH_UNDERLYING,
+      params: IAaveV3ConfigEngine.InterestRateInputData({
+        optimalUsageRatio: 90_00,
+        baseVariableBorrowRate: 0,
+        variableRateSlope1: 75,
+        variableRateSlope2: 85_00
+      })
+    });
+
+    return rateStrategies;
+  }
+}

src/20250128_Multi_WstETHBorrowRateUpdate/AaveV3Scroll_WstETHBorrowRateUpdate_20250128.t.sol

@@ -0,0 +1,32 @@
+// SPDX-License-Identifier: MIT
+pragma solidity ^0.8.0;
+
+import {AaveV3Scroll} from 'aave-address-book/AaveV3Scroll.sol';
+
+import 'forge-std/Test.sol';
+import {ProtocolV3TestBase, ReserveConfig} from 'aave-helpers/src/ProtocolV3TestBase.sol';
+import {AaveV3Scroll_WstETHBorrowRateUpdate_20250128} from './AaveV3Scroll_WstETHBorrowRateUpdate_20250128.sol';
+
+/**
+ * @dev Test for AaveV3Scroll_WstETHBorrowRateUpdate_20250128
+ * command: FOUNDRY_PROFILE=scroll forge test --match-path=src/20250128_Multi_WstETHBorrowRateUpdate/AaveV3Scroll_WstETHBorrowRateUpdate_20250128.t.sol -vv
+ */
+contract AaveV3Scroll_WstETHBorrowRateUpdate_20250128_Test is ProtocolV3TestBase {
+  AaveV3Scroll_WstETHBorrowRateUpdate_20250128 internal proposal;
+
+  function setUp() public {
+    vm.createSelectFork(vm.rpcUrl('scroll'), 13028907);
+    proposal = new AaveV3Scroll_WstETHBorrowRateUpdate_20250128();
+  }
+
+  /**
+   * @dev executes the generic test suite including e2e and config snapshots
+   */
+  function test_defaultProposalExecution() public {
+    defaultTest(
+      'AaveV3Scroll_WstETHBorrowRateUpdate_20250128',
+      AaveV3Scroll.POOL,
+      address(proposal)
+    );
+  }
+}