contracts-bedrock: utilize constants

packages/contracts-bedrock/contracts/deployment/SystemDictator.sol

@@ -17,6 +17,7 @@ import { OptimismMintableERC20Factory } from "../universal/OptimismMintableERC20
 import { PortalSender } from "./PortalSender.sol";
 import { SystemConfig } from "../L1/SystemConfig.sol";
 import { ResourceMetering } from "../L1/ResourceMetering.sol";
+import { Constants } from "../libraries/Constants.sol";
 
 /**
  * @title SystemDictator
@@ -162,14 +163,7 @@ contract SystemDictator is OwnableUpgradeable {
      *         initialized upon deployment.
      */
     constructor() {
-        ResourceMetering.ResourceConfig memory rcfg = ResourceMetering.ResourceConfig({
-            maxResourceLimit: 20_000_000,
-            elasticityMultiplier: 10,
-            baseFeeMaxChangeDenominator: 8,
-            minimumBaseFee: 1 gwei,
-            systemTxMaxGas: 1_000_000,
-            maximumBaseFee: type(uint128).max
-        });
+        ResourceMetering.ResourceConfig memory rcfg = Constants.DEFAULT_RESOURCE_CONFIG();
 
         // Using this shorter variable as an alias for address(0) just prevents us from having to
         // to use a new line for every single parameter.

packages/contracts-bedrock/contracts/echidna/FuzzOptimismPortal.sol

@@ -5,20 +5,14 @@ import { L2OutputOracle } from "../L1/L2OutputOracle.sol";
 import { AddressAliasHelper } from "../vendor/AddressAliasHelper.sol";
 import { SystemConfig } from "../L1/SystemConfig.sol";
 import { ResourceMetering } from "../L1/ResourceMetering.sol";
+import { Constants } from "../libraries/Constants.sol";
 
 contract EchidnaFuzzOptimismPortal {
     OptimismPortal internal portal;
     bool internal failedToComplete;
 
     constructor() {
-        ResourceMetering.ResourceConfig memory config = ResourceMetering.ResourceConfig({
-            maxResourceLimit: 20_000_000,
-            elasticityMultiplier: 10,
-            baseFeeMaxChangeDenominator: 8,
-            minimumBaseFee: 1 gwei,
-            systemTxMaxGas: 1_000_000,
-            maximumBaseFee: type(uint128).max
-        });
+        ResourceMetering.ResourceConfig memory rcfg = Constants.DEFAULT_RESOURCE_CONFIG();
 
         SystemConfig systemConfig = new SystemConfig({
             _owner: address(1),
@@ -27,7 +21,7 @@ contract EchidnaFuzzOptimismPortal {
             _batcherHash: bytes32(0),
             _gasLimit: 30_000_000,
             _unsafeBlockSigner: address(0),
-            _config: config
+            _config: rcfg
         });
 
         portal = new OptimismPortal({

packages/contracts-bedrock/contracts/echidna/FuzzResourceMetering.sol

@@ -3,6 +3,7 @@ pragma solidity 0.8.15;
 import { ResourceMetering } from "../L1/ResourceMetering.sol";
 import { Arithmetic } from "../libraries/Arithmetic.sol";
 import { StdUtils } from "forge-std/Test.sol";
+import { Constants } from "../libraries/Constants.sol";
 
 contract EchidnaFuzzResourceMetering is ResourceMetering, StdUtils {
     bool internal failedMaxGasPerBlock;
@@ -29,15 +30,8 @@ contract EchidnaFuzzResourceMetering is ResourceMetering, StdUtils {
     }
 
     function _resourceConfig() internal pure override returns (ResourceMetering.ResourceConfig memory) {
-        ResourceMetering.ResourceConfig memory config = ResourceMetering.ResourceConfig({
-            maxResourceLimit: 20_000_000,
-            elasticityMultiplier: 10,
-            baseFeeMaxChangeDenominator: 8,
-            minimumBaseFee: 1 gwei,
-            systemTxMaxGas: 1_000_000,
-            maximumBaseFee: type(uint128).max
-        });
-        return config;
+        ResourceMetering.ResourceConfig memory rcfg = Constants.DEFAULT_RESOURCE_CONFIG();
+        return rcfg;
     }
 
     /**

packages/contracts-bedrock/contracts/test/CommonTest.t.sol

@@ -30,6 +30,7 @@ import { Strings } from "@openzeppelin/contracts/utils/Strings.sol";
 import { LegacyMintableERC20 } from "../legacy/LegacyMintableERC20.sol";
 import { SystemConfig } from "../L1/SystemConfig.sol";
 import { ResourceMetering } from "../L1/ResourceMetering.sol";
+import { Constants } from "../libraries/Constants.sol";
 
 contract CommonTest is Test {
     address alice = address(128);
@@ -172,14 +173,7 @@ contract Portal_Initializer is L2OutputOracle_Initializer {
     function setUp() public virtual override {
         super.setUp();
 
-        ResourceMetering.ResourceConfig memory config = ResourceMetering.ResourceConfig({
-            maxResourceLimit: 20_000_000,
-            elasticityMultiplier: 10,
-            baseFeeMaxChangeDenominator: 8,
-            minimumBaseFee: 1 gwei,
-            systemTxMaxGas: 1_000_000,
-            maximumBaseFee: type(uint128).max
-        });
+        ResourceMetering.ResourceConfig memory config = Constants.DEFAULT_RESOURCE_CONFIG();
 
         systemConfig = new SystemConfig({
             _owner: address(1),