feat: add ICurveStableSwapNG

rndquu · Apr 22, 2024 · ebae5bb · ebae5bb
1 parent ca2ec33
commit ebae5bb
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Showing 3 changed files with 26 additions and 2 deletions.
diff --git a/packages/contracts/src/dollar/interfaces/ICurveStableSwapNG.sol b/packages/contracts/src/dollar/interfaces/ICurveStableSwapNG.sol
@@ -0,0 +1,9 @@
+// SPDX-License-Identifier: MIT
+pragma solidity 0.8.19;
+
+import {ICurveStableSwapMetaNG} from "./ICurveStableSwapMetaNG.sol";
+
+/**
+ * @notice Curve's interface for plain pool which contains only USD pegged assets
+ */
+interface ICurveStableSwapNG is ICurveStableSwapMetaNG {}
diff --git a/packages/contracts/src/dollar/libraries/LibUbiquityPool.sol b/packages/contracts/src/dollar/libraries/LibUbiquityPool.sol
@@ -6,7 +6,7 @@ import {ERC20} from "@openzeppelin/contracts/token/ERC20/ERC20.sol";
 import {IERC20} from "@openzeppelin/contracts/token/ERC20/IERC20.sol";
 import {SafeERC20} from "@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol";
 import {SafeMath} from "@openzeppelin/contracts/utils/math/SafeMath.sol";
-import {ICurveStableSwapMetaNG} from "../interfaces/ICurveStableSwapMetaNG.sol";
+import {ICurveStableSwapNG} from "../interfaces/ICurveStableSwapNG.sol";
 import {ICurveTwocryptoOptimized} from "../interfaces/ICurveTwocryptoOptimized.sol";
 import {IDollarAmoMinter} from "../interfaces/IDollarAmoMinter.sol";
 import {IERC20Ubiquity} from "../interfaces/IERC20Ubiquity.sol";
@@ -373,7 +373,7 @@ library LibUbiquityPool {
         // load storage shared across all libraries
         AppStorage storage store = LibAppStorage.appStorage();
         // get Dollar price from Curve Metapool (18 decimals)
-        uint256 dollarPriceUsdD18 = ICurveStableSwapMetaNG(
+        uint256 dollarPriceUsdD18 = ICurveStableSwapNG(
             store.stableSwapMetaPoolAddress
         ).price_oracle(0);
         // convert to 6 decimals

diff --git a/packages/contracts/src/dollar/mocks/MockCurveStableSwapNG.sol b/packages/contracts/src/dollar/mocks/MockCurveStableSwapNG.sol
@@ -0,0 +1,15 @@
+// SPDX-License-Identifier: MIT
+pragma solidity 0.8.19;
+
+import {ICurveStableSwapNG} from "../interfaces/ICurveStableSwapNG.sol";
+import {MockCurveStableSwapMetaNG} from "./MockCurveStableSwapMetaNG.sol";
+
+contract MockCurveStableSwapNG is
+    ICurveStableSwapNG,
+    MockCurveStableSwapMetaNG
+{
+    constructor(
+        address _token0,
+        address _token1
+    ) MockCurveStableSwapMetaNG(_token0, _token1) {}
+}