From 986d151132d0073f1e1d74332309908e9f1c7f8b Mon Sep 17 00:00:00 2001
From: Ian Flexa <85500650+ianflexa@users.noreply.github.com>
Date: Wed, 27 Nov 2024 08:51:49 -0400
Subject: [PATCH] feat: AUSD capo (#55)

* feat: AUSD capo

* Update scripts/DeployAvalanche.s.sol

Co-authored-by: Pavel <56404416+pavelvm5@users.noreply.github.com>

---------

Co-authored-by: Pavel <56404416+pavelvm5@users.noreply.github.com>
---
 Makefile                                      |  2 ++
 scripts/DeployAvalanche.s.sol                 | 35 +++++++++++++++++++
 tests/avalanche/AUSDPriceCapAdapterTest.t.sol | 16 +++++++++
 3 files changed, 53 insertions(+)
 create mode 100644 scripts/DeployAvalanche.s.sol
 create mode 100644 tests/avalanche/AUSDPriceCapAdapterTest.t.sol

diff --git a/Makefile b/Makefile
index 7779751..bf3bb30 100644
--- a/Makefile
+++ b/Makefile
@@ -41,6 +41,8 @@ deploy-sdai-gnosis :; forge script scripts/DeployGnosis.s.sol:DeploySDaiGnosis -
 
 deploy-rseth-mainnet :; forge script scripts/DeployEthereum.s.sol:DeployRsEthEthereum --rpc-url mainnet $(common-flags)
 
+deploy-ausd-avalanche :; forge script scripts/DeployAvalanche.s.sol:DeployAUSDAvalanche --rpc-url avalanche $(common-flags)
+
 # Utilities
 download :; cast etherscan-source --chain ${chain} -d src/etherscan/${chain}_${address} ${address}
 git-diff :
diff --git a/scripts/DeployAvalanche.s.sol b/scripts/DeployAvalanche.s.sol
new file mode 100644
index 0000000..1962d4d
--- /dev/null
+++ b/scripts/DeployAvalanche.s.sol
@@ -0,0 +1,35 @@
+// SPDX-License-Identifier: BUSL-1.1
+pragma solidity ^0.8.0;
+
+import {GovV3Helpers} from 'aave-helpers/GovV3Helpers.sol';
+import {AvalancheScript} from 'solidity-utils/contracts/utils/ScriptUtils.sol';
+import {AaveV3Avalanche} from 'aave-address-book/AaveV3Avalanche.sol';
+
+import {PriceCapAdapterStable} from '../src/contracts/PriceCapAdapterStable.sol';
+import {IChainlinkAggregator} from '../src/interfaces/IPriceCapAdapter.sol';
+import {IPriceCapAdapterStable} from '../src/interfaces/IPriceCapAdapterStable.sol';
+
+library CapAdaptersCodeAvalanche {
+  address public constant AUSD_PRICE_FEED = 0x5C2d58627Fbe746f5ea24Ef6D618f09f8e3f0122;
+
+  function AUSDAdapterCode() internal pure returns (bytes memory) {
+    return
+      abi.encodePacked(
+        type(PriceCapAdapterStable).creationCode,
+        abi.encode(
+          IPriceCapAdapterStable.CapAdapterStableParams({
+            aclManager: AaveV3Avalanche.ACL_MANAGER,
+            assetToUsdAggregator: IChainlinkAggregator(AUSD_PRICE_FEED),
+            adapterDescription: 'Capped AUSD / USD',
+            priceCap: int256(1.04 * 1e8)
+          })
+        )
+      );
+  }
+}
+
+contract DeployAUSDAvalanche is AvalancheScript {
+  function run() external broadcast {
+    GovV3Helpers.deployDeterministic(CapAdaptersCodeAvalanche.AUSDAdapterCode());
+  }
+}
diff --git a/tests/avalanche/AUSDPriceCapAdapterTest.t.sol b/tests/avalanche/AUSDPriceCapAdapterTest.t.sol
new file mode 100644
index 0000000..c25c8be
--- /dev/null
+++ b/tests/avalanche/AUSDPriceCapAdapterTest.t.sol
@@ -0,0 +1,16 @@
+// SPDX-License-Identifier: BUSL-1.1
+pragma solidity ^0.8.0;
+
+import '../BaseStableTest.sol';
+import {PriceCapAdapterStable} from '../../src/contracts/PriceCapAdapterStable.sol';
+import {CapAdaptersCodeAvalanche} from '../../scripts/DeployAvalanche.s.sol';
+
+contract AUSDPriceCapAdapterTest is BaseStableTest {
+  constructor()
+    BaseStableTest(
+      CapAdaptersCodeAvalanche.AUSDAdapterCode(),
+      10,
+      ForkParams({network: 'avalanche', blockNumber: 53614500})
+    )
+  {}
+}
\ No newline at end of file