For review: Add stmatic and maticx update.

diffs/AaveV3Polygon_GauntletRecommendationToLowerStMATICMaticXNonEmodeLTPt2_20231117_before_AaveV3Polygon_GauntletRecommendationToLowerStMATICMaticXNonEmodeLTPt2_20231117_after.md

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+## Reserve changes
+
+### Reserve altered
+
+#### stMATIC ([0x3A58a54C066FdC0f2D55FC9C89F0415C92eBf3C4](https://polygonscan.com/address/0x3A58a54C066FdC0f2D55FC9C89F0415C92eBf3C4))
+
+| description | value before | value after |
+| --- | --- | --- |
+| liquidationThreshold | 60 % | 56 % |
+
+
+#### MaticX ([0xfa68FB4628DFF1028CFEc22b4162FCcd0d45efb6](https://polygonscan.com/address/0xfa68FB4628DFF1028CFEc22b4162FCcd0d45efb6))
+
+| description | value before | value after |
+| --- | --- | --- |
+| liquidationThreshold | 62 % | 58 % |
+
+
+## Raw diff
+
+```json
+{
+  "reserves": {
+    "0x3A58a54C066FdC0f2D55FC9C89F0415C92eBf3C4": {
+      "liquidationThreshold": {
+        "from": 6000,
+        "to": 5600
+      }
+    },
+    "0xfa68FB4628DFF1028CFEc22b4162FCcd0d45efb6": {
+      "liquidationThreshold": {
+        "from": 6200,
+        "to": 5800
+      }
+    }
+  }
+}
+```

src/20231117_AaveV3Polygon_GauntletRecommendationToLowerStMATICMaticXNonEmodeLTPt2/AaveV3Polygon_GauntletRecommendationToLowerStMATICMaticXNonEmodeLTPt2_20231117.sol

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+// SPDX-License-Identifier: MIT
+pragma solidity ^0.8.0;
+
+import {AaveV3PolygonAssets} from 'aave-address-book/AaveV3Polygon.sol';
+import {AaveV3PayloadPolygon} from 'aave-helpers/v3-config-engine/AaveV3PayloadPolygon.sol';
+import {EngineFlags} from 'aave-helpers/v3-config-engine/EngineFlags.sol';
+import {IAaveV3ConfigEngine} from 'aave-helpers/v3-config-engine/IAaveV3ConfigEngine.sol';
+
+/**
+ * @title Gauntlet recommendation to lower stMATIC, MaticX non-emode LT, pt 2
+ * @author Gauntlet
+ * - Snapshot: https://snapshot.org/#/aave.eth/proposal/0xc59f0e1bd1463285d1fca9c3771d92dc227915615e475b84e6e4033f281ff079
+ * - Discussion: https://governance.aave.com/t/arfc-gauntlet-recommendation-to-lower-stmatic-maticx-non-emode-lt-pt-2/15314
+ */
+contract AaveV3Polygon_GauntletRecommendationToLowerStMATICMaticXNonEmodeLTPt2_20231117 is
+  AaveV3PayloadPolygon
+{
+  function collateralsUpdates()
+    public
+    pure
+    override
+    returns (IAaveV3ConfigEngine.CollateralUpdate[] memory)
+  {
+    IAaveV3ConfigEngine.CollateralUpdate[]
+      memory collateralUpdate = new IAaveV3ConfigEngine.CollateralUpdate[](2);
+
+    collateralUpdate[0] = IAaveV3ConfigEngine.CollateralUpdate({
+      asset: AaveV3PolygonAssets.stMATIC_UNDERLYING,
+      ltv: EngineFlags.KEEP_CURRENT,
+      liqThreshold: 56_00,
+      liqBonus: EngineFlags.KEEP_CURRENT,
+      debtCeiling: EngineFlags.KEEP_CURRENT,
+      liqProtocolFee: EngineFlags.KEEP_CURRENT
+    });
+    collateralUpdate[1] = IAaveV3ConfigEngine.CollateralUpdate({
+      asset: AaveV3PolygonAssets.MaticX_UNDERLYING,
+      ltv: EngineFlags.KEEP_CURRENT,
+      liqThreshold: 58_00,
+      liqBonus: EngineFlags.KEEP_CURRENT,
+      debtCeiling: EngineFlags.KEEP_CURRENT,
+      liqProtocolFee: EngineFlags.KEEP_CURRENT
+    });
+
+    return collateralUpdate;
+  }
+}

src/20231117_AaveV3Polygon_GauntletRecommendationToLowerStMATICMaticXNonEmodeLTPt2/AaveV3Polygon_GauntletRecommendationToLowerStMATICMaticXNonEmodeLTPt2_20231117.t.sol

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+// SPDX-License-Identifier: MIT
+pragma solidity ^0.8.0;
+
+import {AaveV3Polygon} from 'aave-address-book/AaveV3Polygon.sol';
+
+import 'forge-std/Test.sol';
+import {ProtocolV3TestBase, ReserveConfig} from 'aave-helpers/ProtocolV3TestBase.sol';
+import {AaveV3Polygon_GauntletRecommendationToLowerStMATICMaticXNonEmodeLTPt2_20231117} from './AaveV3Polygon_GauntletRecommendationToLowerStMATICMaticXNonEmodeLTPt2_20231117.sol';
+
+/**
+ * @dev Test for AaveV3Polygon_GauntletRecommendationToLowerStMATICMaticXNonEmodeLTPt2_20231117
+ * command: make test-contract filter=AaveV3Polygon_GauntletRecommendationToLowerStMATICMaticXNonEmodeLTPt2_20231117
+ */
+contract AaveV3Polygon_GauntletRecommendationToLowerStMATICMaticXNonEmodeLTPt2_20231117_Test is
+  ProtocolV3TestBase
+{
+  AaveV3Polygon_GauntletRecommendationToLowerStMATICMaticXNonEmodeLTPt2_20231117 internal proposal;
+
+  function setUp() public {
+    vm.createSelectFork(vm.rpcUrl('polygon'), 50068954);
+    proposal = new AaveV3Polygon_GauntletRecommendationToLowerStMATICMaticXNonEmodeLTPt2_20231117();
+  }
+
+  /**
+   * @dev executes the generic test suite including e2e and config snapshots
+   */
+  function test_defaultProposalExecution() public {
+    defaultTest(
+      'AaveV3Polygon_GauntletRecommendationToLowerStMATICMaticXNonEmodeLTPt2_20231117',
+      AaveV3Polygon.POOL,
+      address(proposal)
+    );
+  }
+}

src/20231117_AaveV3Polygon_GauntletRecommendationToLowerStMATICMaticXNonEmodeLTPt2/GauntletRecommendationToLowerStMATICMaticXNonEmodeLTPt2.md

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+---
+title: "Gauntlet recommendation to lower stMATIC, MaticX non-emode LT, pt 2"
+author: "Gauntlet"
+discussions: "https://governance.aave.com/t/arfc-gauntlet-recommendation-to-lower-stmatic-maticx-non-emode-lt-pt-2/15314"
+---
+
+## Summary
+
+Gauntlet recommends follow-ups to our previous recommendations on lowering stMATIC / MaticX non-emode LT. These recommendations are geared towards the following:
+
+- Reducing risks associated with increased stablecoin borrowing against LST collateral, amidst lower MATIC LST liquidity
+- Lower risks of reduced WMATIC supply in the future, which may cause long-term growth risk for Polygon v3
+- Encourage WMATIC borrowing against MATIC LST collateral
+
+## Specification
+
+| Asset   | Parameter            | Current Value | Recommended Value |
+| ------- | -------------------- | ------------- | ----------------- |
+| stMATIC | LiquidationThreshold | 60%           | 56%               |
+| MaticX  | LiquidationThreshold | 62%           | 58%               |
+
+## References
+
+- Implementation: [AaveV3Polygon](https://github.com/bgd-labs/aave-proposals-v3/blob/main/src/20231117_AaveV3Polygon_GauntletRecommendationToLowerStMATICMaticXNonEmodeLTPt2/AaveV3Polygon_GauntletRecommendationToLowerStMATICMaticXNonEmodeLTPt2_20231117.sol)
+- Tests: [AaveV3Polygon](https://github.com/bgd-labs/aave-proposals-v3/blob/main/src/20231117_AaveV3Polygon_GauntletRecommendationToLowerStMATICMaticXNonEmodeLTPt2/AaveV3Polygon_GauntletRecommendationToLowerStMATICMaticXNonEmodeLTPt2_20231117.t.sol)
+- [Snapshot](https://snapshot.org/#/aave.eth/proposal/0xc59f0e1bd1463285d1fca9c3771d92dc227915615e475b84e6e4033f281ff079)
+- [Discussion](https://governance.aave.com/t/arfc-gauntlet-recommendation-to-lower-stmatic-maticx-non-emode-lt-pt-2/15314)
+
+## Disclaimer
+
+Gauntlet has not received any compensation from any third-party in exchange for recommending any of the actions contained in this proposal.
+
+By approving this proposal, you agree that any services provided by Gauntlet shall be governed by the terms of service available at gauntlet.network/tos.
+
+## Copyright
+
+Copyright and related rights waived via [CC0](https://creativecommons.org/publicdomain/zero/1.0/).
+
+_By approving this proposal, you agree that any services provided by Gauntlet shall be governed by the terms of service available at gauntlet.network/tos._

src/20231117_AaveV3Polygon_GauntletRecommendationToLowerStMATICMaticXNonEmodeLTPt2/GauntletRecommendationToLowerStMATICMaticXNonEmodeLTPt2_20231117.s.sol

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+// SPDX-License-Identifier: MIT
+pragma solidity ^0.8.0;
+
+import {GovV3Helpers, IPayloadsControllerCore, PayloadsControllerUtils} from 'aave-helpers/GovV3Helpers.sol';
+import {EthereumScript, PolygonScript} from 'aave-helpers/ScriptUtils.sol';
+import {AaveV3Polygon_GauntletRecommendationToLowerStMATICMaticXNonEmodeLTPt2_20231117} from './AaveV3Polygon_GauntletRecommendationToLowerStMATICMaticXNonEmodeLTPt2_20231117.sol';
+
+/**
+ * @dev Deploy Polygon
+ * command: make deploy-ledger contract=src/20231117_AaveV3Polygon_GauntletRecommendationToLowerStMATICMaticXNonEmodeLTPt2/GauntletRecommendationToLowerStMATICMaticXNonEmodeLTPt2_20231117.s.sol:DeployPolygon chain=polygon
+ */
+contract DeployPolygon is PolygonScript {
+  function run() external broadcast {
+    // deploy payloads
+    AaveV3Polygon_GauntletRecommendationToLowerStMATICMaticXNonEmodeLTPt2_20231117 payload0 = new AaveV3Polygon_GauntletRecommendationToLowerStMATICMaticXNonEmodeLTPt2_20231117();
+
+    // compose action
+    IPayloadsControllerCore.ExecutionAction[]
+      memory actions = new IPayloadsControllerCore.ExecutionAction[](1);
+    actions[0] = GovV3Helpers.buildAction(address(payload0));
+
+    // register action at payloadsController
+    GovV3Helpers.createPayload(actions);
+  }
+}
+
+/**
+ * @dev Create Proposal
+ * command: make deploy-ledger contract=src/20231117_AaveV3Polygon_GauntletRecommendationToLowerStMATICMaticXNonEmodeLTPt2/GauntletRecommendationToLowerStMATICMaticXNonEmodeLTPt2_20231117.s.sol:CreateProposal chain=mainnet
+ */
+contract CreateProposal is EthereumScript {
+  function run() external {
+    // create payloads
+    PayloadsControllerUtils.Payload[] memory payloads = new PayloadsControllerUtils.Payload[](1);
+
+    // compose actions for validation
+    IPayloadsControllerCore.ExecutionAction[]
+      memory actionsPolygon = new IPayloadsControllerCore.ExecutionAction[](1);
+    actionsPolygon[0] = GovV3Helpers.buildAction(address(0));
+    payloads[0] = GovV3Helpers.buildPolygonPayload(vm, actionsPolygon);
+
+    // create proposal
+    vm.startBroadcast();
+    GovV3Helpers.createProposal2_5(
+      payloads,
+      GovV3Helpers.ipfsHashFile(
+        vm,
+        'src/20231117_AaveV3Polygon_GauntletRecommendationToLowerStMATICMaticXNonEmodeLTPt2/GauntletRecommendationToLowerStMATICMaticXNonEmodeLTPt2.md'
+      )
+    );
+  }
+}

src/20231117_AaveV3Polygon_GauntletRecommendationToLowerStMATICMaticXNonEmodeLTPt2/config.json

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+{
+  "rootOptions": {
+    "pools": [
+      "AaveV3Polygon"
+    ],
+    "title": "Gauntlet recommendation to lower stMATIC, MaticX non-emode LT, pt 2",
+    "shortName": "GauntletRecommendationToLowerStMATICMaticXNonEmodeLTPt2",
+    "date": "20231117",
+    "author": "Gauntlet",
+    "discussion": "https://governance.aave.com/t/arfc-gauntlet-recommendation-to-lower-stmatic-maticx-non-emode-lt-pt-2/15314",
+    "snapshot": "https://snapshot.org/#/aave.eth/proposal/0xc59f0e1bd1463285d1fca9c3771d92dc227915615e475b84e6e4033f281ff079"
+  },
+  "poolOptions": {
+    "AaveV3Polygon": {
+      "configs": {
+        "COLLATERALS_UPDATE": [
+          {
+            "asset": "stMATIC",
+            "ltv": "EngineFlags.KEEP_CURRENT",
+            "liqThreshold": "56_00",
+            "liqBonus": "EngineFlags.KEEP_CURRENT",
+            "debtCeiling": "EngineFlags.KEEP_CURRENT",
+            "liqProtocolFee": "EngineFlags.KEEP_CURRENT"
+          },
+          {
+            "asset": "MaticX",
+            "ltv": "EngineFlags.KEEP_CURRENT",
+            "liqThreshold": "58_00",
+            "liqBonus": "EngineFlags.KEEP_CURRENT",
+            "debtCeiling": "EngineFlags.KEEP_CURRENT",
+            "liqProtocolFee": "EngineFlags.KEEP_CURRENT"
+          }
+        ]
+      },
+      "features": [
+        "COLLATERALS_UPDATE"
+      ]
+    }
+  }
+}