Small fix for MerkleUtils (#80)

6f4f7ea6 · Kelvin Fichter · GitHub · a4fae7c7 · 6f4f7ea6
Commit 6f4f7ea6 authored Nov 24, 2020 by Kelvin Fichter Committed by GitHub Nov 24, 2020
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Lib_MerkleUtils.sol ...s/optimistic-ethereum/libraries/utils/Lib_MerkleUtils.sol +4 -1

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--- a/packages/contracts/contracts/optimistic-ethereum/libraries/utils/Lib_MerkleUtils.sol
+++ b/packages/contracts/contracts/optimistic-ethereum/libraries/utils/Lib_MerkleUtils.sol
@@ -141,7 +141,10 @@ library Lib_MerkleUtils {

        defaultHashes[0] = keccak256(abi.encodePacked(uint256(0)));
        for (uint256 i = 1; i < defaultHashes.length; i++) {
-            defaultHashes[i] = keccak256(abi.encodePacked(defaultHashes[i-1]));
+            defaultHashes[i] = keccak256(abi.encodePacked(
+                defaultHashes[i-1],
+                defaultHashes[i-1]
+            ));
        }

        return defaultHashes;