contracts-bedrock: more strict deploy checks

Specifically strictly check the `SystemConfig` proxy
so that the correct storage is set.

packages/contracts-bedrock/deploy/019-SystemDictatorInit.ts

@@ -93,7 +93,7 @@ const deployFn: DeployFunction = async (hre) => {
     systemConfigConfig: {
       owner: hre.deployConfig.finalSystemOwner,
       overhead: hre.deployConfig.gasPriceOracleOverhead,
-      scalar: hre.deployConfig.gasPriceOracleDecimals,
+      scalar: hre.deployConfig.gasPriceOracleScalar,
       batcherHash: hre.ethers.utils.hexZeroPad(
         hre.deployConfig.batchSenderAddress,
         32

packages/contracts-bedrock/deploy/020-SystemDictatorSteps.ts

@@ -31,6 +31,7 @@ const deployFn: DeployFunction = async (hre) => {
     L1ERC721BridgeProxy,
     L1ERC721BridgeProxyWithSigner,
     L1ERC721Bridge,
+    SystemConfigProxy,
   ] = await getContractsFromArtifacts(hre, [
     {
       name: 'SystemDictatorProxy',
@@ -89,6 +90,11 @@ const deployFn: DeployFunction = async (hre) => {
       iface: 'L1ERC721Bridge',
       signerOrProvider: deployer,
     },
+    {
+      name: 'SystemConfigProxy',
+      iface: 'SystemConfig',
+      signerOrProvider: deployer,
+    },
   ])
 
   // If we have the key for the controller then we don't need to wait for external txns.
@@ -498,6 +504,37 @@ const deployFn: DeployFunction = async (hre) => {
         'messenger',
         L1CrossDomainMessenger.address
       )
+
+      // Check the SystemConfig was initialized properly.
+      await assertContractVariable(
+        SystemConfigProxy,
+        'owner',
+        hre.deployConfig.finalSystemOwner
+      )
+
+      await assertContractVariable(
+        SystemConfigProxy,
+        'overhead',
+        hre.deployConfig.gasPriceOracleOverhead
+      )
+
+      await assertContractVariable(
+        SystemConfigProxy,
+        'scalar',
+        hre.deployConfig.gasPriceOracleScalar
+      )
+
+      await assertContractVariable(
+        SystemConfigProxy,
+        'batcherHash',
+        ethers.utils.hexZeroPad(hre.deployConfig.batchSenderAddress, 32)
+      )
+
+      await assertContractVariable(
+        SystemConfigProxy,
+        'gasLimit',
+        hre.deployConfig.l2GenesisBlockGasLimit
+      )
     },
   })