Merge pull request #39 from bgd-labs/chaoslabs/arbitrum_caps_increase…

…_20231111

Arbitrum Caps Increase 20231111

diffs/pre_arbitrum_caps_increase_20231111_post_arbitrum_caps_increase_20231111.md

@@ -0,0 +1,38 @@
+## Reserve changes
+
+### Reserve altered
+
+#### wstETH ([0x5979D7b546E38E414F7E9822514be443A4800529](https://arbiscan.io/address/0x5979D7b546E38E414F7E9822514be443A4800529))
+
+| description | value before | value after |
+| --- | --- | --- |
+| supplyCap | 45,000 wstETH | 55,000 wstETH |
+
+
+#### rETH ([0xEC70Dcb4A1EFa46b8F2D97C310C9c4790ba5ffA8](https://arbiscan.io/address/0xEC70Dcb4A1EFa46b8F2D97C310C9c4790ba5ffA8))
+
+| description | value before | value after |
+| --- | --- | --- |
+| borrowCap | 680 rETH | 1,360 rETH |
+
+
+## Raw diff
+
+```json
+{
+  "reserves": {
+    "0x5979D7b546E38E414F7E9822514be443A4800529": {
+      "supplyCap": {
+        "from": 45000,
+        "to": 55000
+      }
+    },
+    "0xEC70Dcb4A1EFa46b8F2D97C310C9c4790ba5ffA8": {
+      "borrowCap": {
+        "from": 680,
+        "to": 1360
+      }
+    }
+  }
+}
+```

src/ArbitrumCapsIncrease_20231111.s.sol

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+// SPDX-License-Identifier: MIT
+pragma solidity ^0.8.0;
+
+import {AaveV3ArbitrumAssets} from 'aave-address-book/AaveV3Arbitrum.sol';
+import {IAaveV3ConfigEngine} from 'aave-helpers/v3-config-engine/IAaveV3ConfigEngine.sol';
+import {EngineFlags} from 'aave-helpers/v3-config-engine/EngineFlags.sol';
+import {CapsPlusRiskStewardArbitrum} from '../scripts/CapsPlusRiskStewardArbitrum.s.sol';
+
+/**
+ * @title Update Caps on Arbitrum V3
+ * @author @ChaosLabsInc
+ * - Discussion: https://governance.aave.com/t/arfc-chaos-labs-risk-stewards-increase-supply-and-borrow-caps-on-v3-arbitrum-11-09-2023/15449
+ */
+contract ArbitrumCapsIncrease_20231111 is CapsPlusRiskStewardArbitrum {
+  /**
+   * @return string name identifier used for the diff
+   */
+  function name() internal pure override returns (string memory) {
+    return 'arbitrum_caps_increase_20231111';
+  }
+
+  /**
+   * @return IAaveV3ConfigEngine.CapsUpdate[] capUpdates to be performed
+   */
+  function capsUpdates() internal pure override returns (IAaveV3ConfigEngine.CapsUpdate[] memory) {
+    IAaveV3ConfigEngine.CapsUpdate[] memory capUpdates = new IAaveV3ConfigEngine.CapsUpdate[](2);
+
+    capUpdates[0] = IAaveV3ConfigEngine.CapsUpdate(
+      AaveV3ArbitrumAssets.rETH_UNDERLYING,
+      EngineFlags.KEEP_CURRENT,
+      1_360
+    );
+
+    capUpdates[1] = IAaveV3ConfigEngine.CapsUpdate(
+      AaveV3ArbitrumAssets.wstETH_UNDERLYING,
+      55_000,
+      EngineFlags.KEEP_CURRENT
+    );
+
+    return capUpdates;
+  }
+}