Merge pull request #66 from bgd-labs/chaoslabs/arbitrum_caps_increase…

…_20240312 Arbitrum Caps Increase 20240312
aave-dao · Mar 30, 2024 · 1d5e9a7 · 1d5e9a7
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diff --git a/diffs/pre_arbitrum_caps_increase_20240312_post_arbitrum_caps_increase_20240312.md b/diffs/pre_arbitrum_caps_increase_20240312_post_arbitrum_caps_increase_20240312.md
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+## Reserve changes
+
+### Reserve altered
+
+#### EURS ([0xD22a58f79e9481D1a88e00c343885A588b34b68B](https://arbiscan.io/address/0xD22a58f79e9481D1a88e00c343885A588b34b68B))
+
+| description | value before | value after |
+| --- | --- | --- |
+| supplyCap | 65,000 EURS | 80,000 EURS |
+
+
+#### USDT ([0xFd086bC7CD5C481DCC9C85ebE478A1C0b69FCbb9](https://arbiscan.io/address/0xFd086bC7CD5C481DCC9C85ebE478A1C0b69FCbb9))
+
+| description | value before | value after |
+| --- | --- | --- |
+| supplyCap | 50,000,000 USDT | 100,000,000 USDT |
+| borrowCap | 35,000,000 USDT | 70,000,000 USDT |
+
+
+#### USDC ([0xaf88d065e77c8cC2239327C5EDb3A432268e5831](https://arbiscan.io/address/0xaf88d065e77c8cC2239327C5EDb3A432268e5831))
+
+| description | value before | value after |
+| --- | --- | --- |
+| supplyCap | 128,000,000 USDC | 200,000,000 USDC |
+| borrowCap | 120,000,000 USDC | 180,000,000 USDC |
+
+
+#### AAVE ([0xba5DdD1f9d7F570dc94a51479a000E3BCE967196](https://arbiscan.io/address/0xba5DdD1f9d7F570dc94a51479a000E3BCE967196))
+
+| description | value before | value after |
+| --- | --- | --- |
+| supplyCap | 1,850 AAVE | 3,600 AAVE |
+
+
+#### LINK ([0xf97f4df75117a78c1A5a0DBb814Af92458539FB4](https://arbiscan.io/address/0xf97f4df75117a78c1A5a0DBb814Af92458539FB4))
+
+| description | value before | value after |
+| --- | --- | --- |
+| supplyCap | 1,800,000 LINK | 2,000,000 LINK |
+
+
+## Raw diff
+
+```json
+{
+  "reserves": {
+    "0xD22a58f79e9481D1a88e00c343885A588b34b68B": {
+      "supplyCap": {
+        "from": 65000,
+        "to": 80000
+      }
+    },
+    "0xFd086bC7CD5C481DCC9C85ebE478A1C0b69FCbb9": {
+      "borrowCap": {
+        "from": 35000000,
+        "to": 70000000
+      },
+      "supplyCap": {
+        "from": 50000000,
+        "to": 100000000
+      }
+    },
+    "0xaf88d065e77c8cC2239327C5EDb3A432268e5831": {
+      "borrowCap": {
+        "from": 120000000,
+        "to": 180000000
+      },
+      "supplyCap": {
+        "from": 128000000,
+        "to": 200000000
+      }
+    },
+    "0xba5DdD1f9d7F570dc94a51479a000E3BCE967196": {
+      "supplyCap": {
+        "from": 1850,
+        "to": 3600
+      }
+    },
+    "0xf97f4df75117a78c1A5a0DBb814Af92458539FB4": {
+      "supplyCap": {
+        "from": 1800000,
+        "to": 2000000
+      }
+    }
+  }
+}
+```
diff --git a/src/ArbitrumCapsIncrease_20240312.s.sol b/src/ArbitrumCapsIncrease_20240312.s.sol
@@ -0,0 +1,60 @@
+// 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 Chaos Labs
+ * - Discussion: https://governance.aave.com/t/chaos-labs-risk-stewards-supply-and-borrow-cap-recommendation-on-v3-arbitrum-03-12-24/16936
+ */
+contract ArbitrumCapsIncrease_20240312 is CapsPlusRiskStewardArbitrum {
+  /**
+   * @return string name identifier used for the diff
+   */
+  function name() internal pure override returns (string memory) {
+    return 'arbitrum_caps_increase_20240312';
+  }
+
+  /**
+   * @return IAaveV3ConfigEngine.CapsUpdate[] capUpdates to be performed
+   */
+  function capsUpdates() internal pure override returns (IAaveV3ConfigEngine.CapsUpdate[] memory) {
+    IAaveV3ConfigEngine.CapsUpdate[] memory capUpdates = new IAaveV3ConfigEngine.CapsUpdate[](5);
+
+    capUpdates[0] = IAaveV3ConfigEngine.CapsUpdate(
+      AaveV3ArbitrumAssets.LINK_UNDERLYING,
+      2_000_000,
+      EngineFlags.KEEP_CURRENT
+    );
+
+    capUpdates[1] = IAaveV3ConfigEngine.CapsUpdate(
+      AaveV3ArbitrumAssets.AAVE_UNDERLYING,
+      3_600,
+      EngineFlags.KEEP_CURRENT
+    );
+
+    capUpdates[2] = IAaveV3ConfigEngine.CapsUpdate(
+      AaveV3ArbitrumAssets.EURS_UNDERLYING,
+      80_000,
+      EngineFlags.KEEP_CURRENT
+    );
+
+    capUpdates[3] = IAaveV3ConfigEngine.CapsUpdate(
+      AaveV3ArbitrumAssets.USDCn_UNDERLYING,
+      200_000_000,
+      180_000_000
+    );
+
+    capUpdates[4] = IAaveV3ConfigEngine.CapsUpdate(
+      AaveV3ArbitrumAssets.USDT_UNDERLYING,
+      100_000_000,
+      70_000_000
+    );
+
+    return capUpdates;
+  }
+}