GHO CCIP 1.5 Maintenance Upgrade (#512)

* Add proposal for Gho Incident Report 20231113 (#1)

* chore: add payload and deploy script for update of GHO variable debt token

* forge install: gho-core

* chore: add gho-core to dependency

* test: Add tests for update of gho variable token

* test: Add tests for update of gho variable token

* fix: add modifier in method of interface

* fix: remove gho dependency from repo and fix test

* fix: Remove unnecesary dependency

* fix: Add latest details

---------

Co-authored-by: miguelmtzinf <[email protected]>

* fix: Make new impl constant (#3)

* fix: Amend AIP text (#4)

* fix: Make new impl constant

* fix: Fix AIP text

* test: Tweak default tests with borrow cap update (#5)

* fix: lint issue (#6)

* test: Add diffs from test running (#7)

* fix: Add payload address (#8)

* fix: Fix payload address in script (#9)

* fix: Remove unneeded diff file (#10)

* feat: install aave-ccip at latest commit on aave/ccip#18

* chore: upd remappings, lib/aave-helpers, .assets

* new: add proposal for eth & arb

* fix: arb test supply locked invariant

* fix: rename, add discussion link

* upd: aave-ccip module

* feat: add proxy pool deployments

* feat: add e2e tests

* chore: fix license, explicit senders for expectEmit

* ci: override rpc url in secrets

* test: proxy pool can off ramp

* chore: reorder deps

* nit: utilize existing ierc20 import, style guide, use arb assets for gho addy

* feat: add rate limit, use gho fascilitator for tests

* feat: set in bound rate limit as well

* chore: cleanup

* test: check proxy initialized version

* chore: inBetween => inFlight"

* chore: test name consistency

* test: dynamically fetch dest gas amt

* test: execMsg post migration using legacy off ramp

* test: ccip steward can disable rate limit

* chore: cleanup

* doc: add comment for fetching all offramps, use RISK_COUNCIL for clarity

* test: ownership transfer after migration

* chore: rm _readRiskAdmin, fix config

* fix: ci test setup to stay compatible with bdg upstream

* feat: rm aave-ccip dep

* rft: use deployed token pools

* tmp: fix ci for aave org, to rm for bdg

* fix: ci to bdg setup

* fix: update rate limit

* test: fuzz amounts

* chore: snapshot docs

* chore: const cap rate

* chore: fix type

* fix: Fix rate limit config constants

* fix: tests, impl correct solc

* fix: tests

* Update src/20241021_Multi_GHOCCIP150Upgrade/AaveV3Ethereum_GHOCCIP150Upgrade_20241021.sol

Co-authored-by: Harsh Pandey <[email protected]>

* Update src/20241021_Multi_GHOCCIP150Upgrade/AaveV3Arbitrum_GHOCCIP150Upgrade_20241021.sol

Co-authored-by: Harsh Pandey <[email protected]>

* doc: reference token pool contracts

* doc: upgrade spec

* doc: formatting

* Update src/20241021_Multi_GHOCCIP150Upgrade/GHOCCIP150Upgrade.md

Co-authored-by: miguelmtz <[email protected]>

* Update src/20241021_Multi_GHOCCIP150Upgrade/GHOCCIP150Upgrade.md

Co-authored-by: miguelmtz <[email protected]>

* test: Refresh block number with ghostewards aip executed

* fix: Remove unneeded script

---------

Co-authored-by: Parth Patel <[email protected]>
Co-authored-by: DhairyaSethi <[email protected]>
Co-authored-by: Harsh Pandey <[email protected]>

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
+{}
+```

src/20241021_Multi_GHOCCIP150Upgrade/AaveV3Arbitrum_GHOCCIP150Upgrade_20241021.sol

@@ -0,0 +1,51 @@
+// 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 {IUpgradeableBurnMintTokenPool} from 'src/interfaces/ccip/IUpgradeableBurnMintTokenPool.sol';
+import {IRateLimiter} from 'src/interfaces/ccip/IRateLimiter.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 {
+  uint64 public constant ETH_CHAIN_SELECTOR = 5009297550715157269;
+
+  // https://arbiscan.io/address/0xfc421aD3C883Bf9E7C4f42dE845C4e4405799e73
+  address public constant TOKEN_POOL_IMPL = 0xfc421aD3C883Bf9E7C4f42dE845C4e4405799e73;
+  // https://arbiscan.io/address/0x26329558f08cbb40d6a4CCA0E0C67b29D64A8c50
+  address public constant GHO_CCIP_PROXY_POOL = 0x26329558f08cbb40d6a4CCA0E0C67b29D64A8c50;
+
+  /// @dev Token Rate Limit Capacity: 300_000 GHO
+  uint128 public constant CCIP_RATE_LIMIT_CAPACITY = 300_000e18;
+
+  /// @dev Token Rate Limit Refill Rate: 60 GHO per second (=> 216_000 GHO per hour)
+  uint128 public constant CCIP_RATE_LIMIT_REFILL_RATE = 60e18;
+
+  function execute() external {
+    IUpgradeableBurnMintTokenPool tokenPoolProxy = IUpgradeableBurnMintTokenPool(
+      MiscArbitrum.GHO_CCIP_TOKEN_POOL
+    );
+
+    ProxyAdmin(MiscArbitrum.PROXY_ADMIN).upgrade(
+      TransparentUpgradeableProxy(payable(address(tokenPoolProxy))),
+      TOKEN_POOL_IMPL
+    );
+
+    // Update proxyPool address
+    tokenPoolProxy.setProxyPool(GHO_CCIP_PROXY_POOL);
+
+    // Set rate limit
+    IRateLimiter.Config memory rateLimitConfig = IRateLimiter.Config({
+      isEnabled: true,
+      capacity: CCIP_RATE_LIMIT_CAPACITY,
+      rate: CCIP_RATE_LIMIT_REFILL_RATE
+    });
+    tokenPoolProxy.setChainRateLimiterConfig(ETH_CHAIN_SELECTOR, rateLimitConfig, rateLimitConfig);
+  }
+}