PartyPoolBalancedPair as subclass

src/Deploy.sol

@@ -4,6 +4,7 @@ pragma solidity ^0.8.30;
 import {IERC20} from "../lib/openzeppelin-contracts/contracts/token/ERC20/IERC20.sol";
 import {PartyPlanner} from "./PartyPlanner.sol";
 import {PartyPool} from "./PartyPool.sol";
+import {PartyPoolBalancedPair} from "./PartyPoolBalancedPair.sol";
 import {PartyPoolMintImpl} from "./PartyPoolMintImpl.sol";
 import {PartyPoolSwapImpl} from "./PartyPoolSwapImpl.sol";
 
@@ -32,7 +33,21 @@ library Deploy {
         uint256 protocolFeePpm = 0;
         address protocolAddr = address(0);
 
-        return new PartyPool(
+        return _stable && tokens_.length == 2 ?
+        new PartyPoolBalancedPair(
+            name_,
+            symbol_,
+            tokens_,
+            bases_,
+            _kappa,
+            _swapFeePpm,
+            _flashFeePpm,
+            protocolFeePpm,
+            protocolAddr,
+            new PartyPoolSwapImpl(),
+            new PartyPoolMintImpl()
+        ) :
+        new PartyPool(
             name_,
             symbol_,
             tokens_,
@@ -42,7 +57,6 @@ library Deploy {
             _flashFeePpm,
             protocolFeePpm,
             protocolAddr,
-            _stable,
             new PartyPoolSwapImpl(),
             new PartyPoolMintImpl()
         );