Add check to deployment script

packages/contracts-bedrock/deploy/012-L2OutputOracleImpl.ts

@@ -5,6 +5,12 @@ import '@nomiclabs/hardhat-ethers'
 import { assertContractVariable, deploy } from '../src/deploy-utils'
 
 const deployFn: DeployFunction = async (hre) => {
+  if (hre.deployConfig.l2BlockTime === 0) {
+    throw new Error('L2OutputOracle deployment: l2BlockTime must be greater than 0')
+  } else if (hre.deployConfig.l2OutputOracleSubmissionInterval <= hre.deployConfig.l2BlockTime) {
+    throw new Error('L2OutputOracle deployment: submissionInterval must be greater than the l2BlockTime')
+  }
+
   await deploy({
     hre,
     name: 'L2OutputOracle',