feat(ctb): add MigrationSystemDictator checks

Adds checks for the MigrationSystemDictator steps.

packages/contracts-bedrock/deploy/017-MigrationSystemDictator.ts

@@ -46,6 +46,22 @@ const deployFn: DeployFunction = async (hre) => {
     }
   }
 
+  if (
+    hre.deployConfig.l2OutputOracleGenesisL2Output === ethers.constants.HashZero
+  ) {
+    if (hre.network.config.live === false) {
+      console.log(`WARNING!!!`)
+      console.log(`WARNING!!!`)
+      console.log(`WARNING!!!`)
+      console.log(`WARNING!!! A genesis L2 output was not provided.`)
+      console.log(
+        `WARNING!!! Make sure you are ONLY doing this on a test network.`
+      )
+    } else {
+      throw new Error(`must specify the finalSystemOwner on live networks`)
+    }
+  }
+
   const config = await makeDictatorConfig(hre, controller, finalOwner, false)
   await deployAndVerifyAndThen({
     hre,

packages/contracts-bedrock/src/deploy-utils.ts

@@ -299,6 +299,21 @@ export const getContractFromArtifact = async (
   })
 }
 
+export const getContractsFromArtifacts = async (
+  hre: any,
+  configs: Array<{
+    name: string
+    iface?: string
+    signerOrProvider?: Signer | Provider | string
+  }>
+): Promise<ethers.Contract[]> => {
+  const contracts = []
+  for (const config of configs) {
+    contracts.push(await getContractFromArtifact(hre, config.name, config))
+  }
+  return contracts
+}
+
 export const isHardhatNode = async (hre) => {
   return (await getChainId(hre.ethers.provider)) === 31337
 }