Merge pull request #57 from bgd-labs/chaoslabs/bnb_fdusd_caps_increas…

…e_20240229

BNB FDUSD Caps Increase 20240229

Makefile

@@ -23,6 +23,7 @@ metis-contract:; forge script ${contract_path} --rpc-url metis --sig "run(bool)"
 base-contract:; forge script ${contract_path} --rpc-url base --sig "run(bool)" false -vv
 gnosis-contract:; forge script ${contract_path} --rpc-url gnosis --sig "run(bool)" false -vv
 scroll-contract:; forge script ${contract_path} --rpc-url scroll --sig "run(bool)" false -vv
+bnb-contract:; forge script ${contract_path} --rpc-url bnb --sig "run(bool)" false -vv
 
 # only emit
 mainnet-example:; forge script src/MainnetExample.s.sol:MainnetExample --rpc-url mainnet --sig "run(bool)" false -vv

diffs/pre_bnb_fdusd_caps_increase_20240229_post_bnb_fdusd_caps_increase_20240229.md

@@ -0,0 +1,30 @@
+## Reserve changes
+
+### Reserves altered
+
+#### FDUSD ([0xc5f0f7b66764F6ec8C8Dff7BA683102295E16409](https://bscscan.com/address/0xc5f0f7b66764F6ec8C8Dff7BA683102295E16409))
+
+| description | value before | value after |
+| --- | --- | --- |
+| supplyCap | 8,000,000 FDUSD | 12,000,000 FDUSD |
+| borrowCap | 7,500,000 FDUSD | 10,800,000 FDUSD |
+
+
+## Raw diff
+
+```json
+{
+  "reserves": {
+    "0xc5f0f7b66764F6ec8C8Dff7BA683102295E16409": {
+      "borrowCap": {
+        "from": 7500000,
+        "to": 10800000
+      },
+      "supplyCap": {
+        "from": 8000000,
+        "to": 12000000
+      }
+    }
+  }
+}
+```

foundry.toml

@@ -21,6 +21,7 @@ metis = "${RPC_METIS}"
 base = "${RPC_BASE}"
 gnosis = "${RPC_GNOSIS}"
 scroll = "${RPC_SCROLL}"
+bnb = "${RPC_BNB}"
 
 [etherscan]
 mainnet = { key="${ETHERSCAN_API_KEY_MAINNET}", chainId=1 }

scripts/CapsPlusRiskStewardBNB.s.sol

@@ -0,0 +1,10 @@
+// SPDX-License-Identifier: MIT
+pragma solidity ^0.8.0;
+
+import {AaveGovernanceV2} from 'aave-address-book/AaveGovernanceV2.sol';
+import {AaveV3BNB} from 'aave-address-book/AaveV3BNB.sol';
+import {CapsPlusRiskStewardBase} from './CapsPlusRiskStewardBase.s.sol';
+
+abstract contract CapsPlusRiskStewardBNB is CapsPlusRiskStewardBase {
+  constructor() CapsPlusRiskStewardBase(AaveV3BNB.POOL, AaveV3BNB.CAPS_PLUS_RISK_STEWARD) {}
+}

src/BnbFDUSDCapsIncrease_20240229.s.sol

@@ -0,0 +1,36 @@
+// SPDX-License-Identifier: MIT
+pragma solidity ^0.8.0;
+
+import {AaveV3BNBAssets} from 'aave-address-book/AaveV3BNB.sol';
+import {IAaveV3ConfigEngine} from 'aave-helpers/v3-config-engine/IAaveV3ConfigEngine.sol';
+import {EngineFlags} from 'aave-helpers/v3-config-engine/EngineFlags.sol';
+import {CapsPlusRiskStewardBNB} from '../scripts/CapsPlusRiskStewardBNB.s.sol';
+
+/**
+ * @title Update FDUSD Caps on BNB V3
+ * @author Chaos Labs - eyalovadya
+ * - Discussion: https://governance.aave.com/t/arfc-chaos-labs-risk-stewards-increase-fdusd-supply-and-borrow-cap-on-v3-bnbchain-03-01-2024/16801
+ */
+contract BnbFDUSDCapsIncrease_20240229 is CapsPlusRiskStewardBNB {
+  /**
+   * @return string name identifier used for the diff
+   */
+  function name() internal pure override returns (string memory) {
+    return 'bnb_fdusd_caps_increase_20240229';
+  }
+
+  /**
+   * @return IAaveV3ConfigEngine.CapsUpdate[] capUpdates to be performed
+   */
+  function capsUpdates() internal pure override returns (IAaveV3ConfigEngine.CapsUpdate[] memory) {
+    IAaveV3ConfigEngine.CapsUpdate[] memory capUpdates = new IAaveV3ConfigEngine.CapsUpdate[](1);
+
+    capUpdates[0] = IAaveV3ConfigEngine.CapsUpdate(
+      AaveV3BNBAssets.FDUSD_UNDERLYING,
+      12_000_000,
+      10_800_000
+    );
+
+    return capUpdates;
+  }
+}