From 5e6ab5705fbc73a75f2ef165e179b32cd9e84d5e Mon Sep 17 00:00:00 2001
From: Julian R <56316686+julianmrodri@users.noreply.github.com>
Date: Mon, 30 Oct 2023 10:31:46 -0300
Subject: [PATCH] add comment for non supported metapools

---
 .../plugins/assets/curve/CurveStableMetapoolCollateral.sol    | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/contracts/plugins/assets/curve/CurveStableMetapoolCollateral.sol b/contracts/plugins/assets/curve/CurveStableMetapoolCollateral.sol
index 7fd4fe005b..d978048071 100644
--- a/contracts/plugins/assets/curve/CurveStableMetapoolCollateral.sol
+++ b/contracts/plugins/assets/curve/CurveStableMetapoolCollateral.sol
@@ -13,6 +13,9 @@ interface ICurveMetaPool is ICurvePool, IERC20Metadata {
  *  This plugin contract is intended for 2-fiattoken stable metapools that
  *  DO NOT involve RTokens, such as LUSD-fraxBP or MIM-3CRV.
  *
+ *  Does not support older metapools that have a separate contract for the
+ *  metapool's LP token. Metapool and LP token contracts must be the same.
+ *
  * tok = ConvexStakingWrapper(PairedUSDToken/USDBasePool)
  * ref = PairedUSDToken/USDBasePool pool invariant
  * tar = USD
@@ -20,6 +23,7 @@ interface ICurveMetaPool is ICurvePool, IERC20Metadata {
  *
  * @notice Curve pools with native ETH or ERC777 should be avoided,
  *  see docs/collateral.md for information
+ *
  */
 contract CurveStableMetapoolCollateral is CurveStableCollateral {
     using OracleLib for AggregatorV3Interface;