diff --git a/contracts/ExitHandler.sol b/contracts/ExitHandler.sol
index aeda013..47d4092 100644
--- a/contracts/ExitHandler.sol
+++ b/contracts/ExitHandler.sol
@@ -171,6 +171,7 @@ contract ExitHandler is DepositHandler {
     initialize(_bridge);
     exitDuration = _exitDuration;
     exitStake = _exitStake;
+    emit MinGasPrice(0);
   }
 
   function setExitStake(uint256 _exitStake) public ifAdmin {
diff --git a/contracts/mocks/TxMock.sol b/contracts/mocks/TxMock.sol
index 297b881..512cb1f 100644
--- a/contracts/mocks/TxMock.sol
+++ b/contracts/mocks/TxMock.sol
@@ -52,6 +52,10 @@ contract TxMock {
     return TxLib.getSigHash(_txData);
   }
 
+  function getUtxoId(uint256 _outputIndex, bytes32 _txHash) public pure returns (bytes32) {
+    return bytes32(uint256(_outputIndex) << 120 | uint120(uint256(_txHash)));
+  }
+
   function flattenInput(TxLib.Input memory _input, uint256 _offset, bytes32[] memory _rsp) internal pure {
     _rsp[_offset] = bytes32(_input.outpoint.hash);
     _rsp[_offset + 1] = bytes32(uint256(_input.outpoint.pos));
diff --git a/test/txLib.js b/test/txLib.js
index e946de2..ce0259f 100644
--- a/test/txLib.js
+++ b/test/txLib.js
@@ -138,6 +138,9 @@ contract('TxLib', (accounts) => {
 
         const rsp = await txLib.parse(proof).should.be.fulfilled;
         checkParse(rsp, transfer);
+        const outpoint = transfer.inputs[0].prevout;
+        const utxoId = await txLib.getUtxoId(outpoint.index, `0x${outpoint.hash.toString('hex')}`);
+        assert.equal(utxoId, outpoint.getUtxoId());
       });
 
       it('should parse 2 inputs and 2 outputs', async () => {