GHO CCIP 1.5 Maintenance Upgrade

.github/workflows/test.yml

@@ -30,7 +30,19 @@ jobs:
 
   test-sol:
     uses: bgd-labs/github-workflows/.github/workflows/foundry-test.yml@main
-    secrets: inherit
+    secrets:
+      RPC_MAINNET: "https://eth-mainnet.g.alchemy.com/v2/${{ secrets.ALCHEMY_KEY }}"
+      RPC_ARBITRUM: "https://arb-mainnet.g.alchemy.com/v2/${{ secrets.ALCHEMY_KEY }}"
+      RPC_POLYGON: "https://polygon-mainnet.g.alchemy.com/v2/${{ secrets.ALCHEMY_KEY }}"
+      RPC_AVALANCHE: "https://avax-mainnet.g.alchemy.com/v2/${{ secrets.ALCHEMY_KEY }}"
+      RPC_OPTIMISM: "https://opt-mainnet.g.alchemy.com/v2/${{ secrets.ALCHEMY_KEY }}"
+      RPC_METIS: "https://metis-mainnet.g.alchemy.com/v2/${{ secrets.ALCHEMY_KEY }}"
+      RPC_BASE: "https://base-mainnet.g.alchemy.com/v2/${{ secrets.ALCHEMY_KEY }}"
+      RPC_GNOSIS: "https://gnosis-mainnet.g.alchemy.com/v2/${{ secrets.ALCHEMY_KEY }}"
+      RPC_BNB: "https://bnb-mainnet.g.alchemy.com/v2/${{ secrets.ALCHEMY_KEY }}"
+      RPC_ZKEVM: "https://polygonzkevm-mainnet.g.alchemy.com/v2/${{ secrets.ALCHEMY_KEY }}"
+      RPC_SCROLL: "https://scroll-mainnet.g.alchemy.com/v2/${{ secrets.ALCHEMY_KEY }}"
+      RPC_ZKSYNC: "https://zksync-mainnet.g.alchemy.com/v2/${{ secrets.ALCHEMY_KEY }}"
     with:
       mode: "CHANGED"
 

.gitmodules

@@ -1,3 +1,6 @@
 [submodule "lib/aave-helpers"]
 	path = lib/aave-helpers
 	url = https://github.com/bgd-labs/aave-helpers
+[submodule "lib/aave-ccip"]
+	path = lib/aave-ccip
+	url = https://github.com/aave/ccip

diffs/AaveV3Arbitrum_GHOCCIP150Upgrade_20241021_before_AaveV3Arbitrum_GHOCCIP150Upgrade_20241021_after.md

@@ -0,0 +1,7 @@
+## Emodes changes
+
+## Raw diff
+
+```json
+{}
+```

diffs/AaveV3Ethereum_GHOCCIP150Upgrade_20241021_before_AaveV3Ethereum_GHOCCIP150Upgrade_20241021_after.md

@@ -0,0 +1,7 @@
+## Emodes changes
+
+## Raw diff
+
+```json
+{}
+```

remappings.txt

@@ -3,3 +3,4 @@ aave-helpers/=lib/aave-helpers/
 aave-v3-origin/=lib/aave-helpers/lib/aave-address-book/lib/aave-v3-origin/src/
 forge-std/=lib/aave-helpers/lib/forge-std/src/
 solidity-utils/=lib/aave-helpers/lib/aave-address-book/lib/aave-v3-origin/lib/solidity-utils/src
+aave-ccip/=lib/aave-ccip/contracts/src/

src/20241021_Multi_GHOCCIP150Upgrade/AaveV3Arbitrum_GHOCCIP150Upgrade_20241021.sol

@@ -0,0 +1,67 @@
+// SPDX-License-Identifier: MIT
+pragma solidity ^0.8.0;
+
+import {TransparentUpgradeableProxy} from 'solidity-utils/contracts/transparent-proxy/TransparentUpgradeableProxy.sol';
+import {ProxyAdmin} from 'solidity-utils/contracts/transparent-proxy/ProxyAdmin.sol';
+import {IProposalGenericExecutor} from 'aave-helpers/src/interfaces/IProposalGenericExecutor.sol';
+import {MiscArbitrum} from 'aave-address-book/MiscArbitrum.sol';
+import {UpgradeableBurnMintTokenPool} from 'aave-ccip/v0.8/ccip/pools/GHO/UpgradeableBurnMintTokenPool.sol';
+import {RateLimiter} from 'aave-ccip/v0.8/ccip/libraries/RateLimiter.sol';
+
+/**
+ * @title GHO CCIP 1.50 Upgrade
+ * @author Aave Labs
+ * - Discussion: https://governance.aave.com/t/bgd-technical-maintenance-proposals/15274/51
+ */
+contract AaveV3Arbitrum_GHOCCIP150Upgrade_20241021 is IProposalGenericExecutor {
+  address public constant GHO_CCIP_PROXY_POOL = 0x26329558f08cbb40d6a4CCA0E0C67b29D64A8c50;
+  uint64 public constant ETH_CHAIN_SELECTOR = 5009297550715157269;
+
+  function execute() external {
+    UpgradeableBurnMintTokenPool tokenPoolProxy = UpgradeableBurnMintTokenPool(
+      MiscArbitrum.GHO_CCIP_TOKEN_POOL
+    );
+
+    // Deploy new tokenPool implementation, retain existing immutable configuration
+    address tokenPoolImpl = address(
+      new UpgradeableBurnMintTokenPool(
+        address(tokenPoolProxy.getToken()),
+        tokenPoolProxy.getArmProxy(),
+        tokenPoolProxy.getAllowListEnabled()
+      )
+    );
+
+    ProxyAdmin(MiscArbitrum.PROXY_ADMIN).upgrade(
+      TransparentUpgradeableProxy(payable(address(tokenPoolProxy))),
+      tokenPoolImpl
+    );
+
+    // Update proxyPool address
+    tokenPoolProxy.setProxyPool(GHO_CCIP_PROXY_POOL);
+
+    // Set rate limit
+    tokenPoolProxy.setChainRateLimiterConfig(
+      ETH_CHAIN_SELECTOR,
+      getOutBoundRateLimiterConfig(),
+      getInBoundRateLimiterConfig()
+    );
+  }
+
+  /// @notice Returns the rate limiter configuration for the outbound rate limiter
+  /// The onRamp rate limit for ARB => ETH will be as follows:
+  /// Capacity: 350_000 GHO
+  /// Rate: 100 GHO per second (=> 360_000 GHO per hour)
+  /// @return The rate limiter configuration
+  function getOutBoundRateLimiterConfig() public pure returns (RateLimiter.Config memory) {
+    return RateLimiter.Config({isEnabled: true, capacity: 350_000e18, rate: 100e18});
+  }
+
+  /// @notice Returns the rate limiter configuration for the inbound rate limiter
+  /// The offRamp rate limit for ETH => ARB will be as follows:
+  /// Capacity: 350_000 GHO
+  /// Rate: 100 GHO per second (=> 360_000 GHO per hour)
+  /// @return The rate limiter configuration
+  function getInBoundRateLimiterConfig() public pure returns (RateLimiter.Config memory) {
+    return RateLimiter.Config({isEnabled: true, capacity: 350_000e18, rate: 100e18});
+  }
+}