From 45dc7aa45778c9301be90f2859ea79a724d0df79 Mon Sep 17 00:00:00 2001
From: Louise Poole <louise@datarevenue.com>
Date: Mon, 15 Apr 2024 17:41:16 +0100
Subject: [PATCH] Fix prices function

---
 evm/src/balancer-v2/BalancerV2SwapAdapter.sol | 1 +
 evm/test/BalancerV2SwapAdapter.t.sol          | 4 ++--
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/evm/src/balancer-v2/BalancerV2SwapAdapter.sol b/evm/src/balancer-v2/BalancerV2SwapAdapter.sol
index 040aba9..e93702b 100644
--- a/evm/src/balancer-v2/BalancerV2SwapAdapter.sol
+++ b/evm/src/balancer-v2/BalancerV2SwapAdapter.sol
@@ -106,6 +106,7 @@ contract BalancerV2SwapAdapter is ISwapAdapter {
         address buyToken,
         uint256[] memory specifiedAmounts
     ) external returns (Fraction[] memory calculatedPrices) {
+        calculatedPrices = new Fraction[](specifiedAmounts.length);
         for (uint256 i = 0; i < specifiedAmounts.length; i++) {
             calculatedPrices[i] =
                 priceSingle(poolId, sellToken, buyToken, specifiedAmounts[i]);
diff --git a/evm/test/BalancerV2SwapAdapter.t.sol b/evm/test/BalancerV2SwapAdapter.t.sol
index a336af8..3be35a5 100644
--- a/evm/test/BalancerV2SwapAdapter.t.sol
+++ b/evm/test/BalancerV2SwapAdapter.t.sol
@@ -40,8 +40,8 @@ contract BalancerV2SwapAdapterTest is Test, ISwapAdapterTypes {
 
     function testPrice() public {
         uint256[] memory amounts = new uint256[](2);
-        amounts[0] = amount0;
-        amounts[1] = amount1;
+        amounts[0] = 1e18;
+        amounts[1] = 2e18;
 
         Fraction[] memory prices = adapter.price(B_80BAL_20WETH_POOL_ID, BAL, WETH, amounts);