feat: introduce SuperchainWETH and ETHLiquidity

Introduces the SuperchainWETH and ETHLiquidity contracts. More
information about these contracts can be found in the OP Stack
Specs repository.

packages/contracts-bedrock/scripts/L2Genesis.s.sol

@@ -245,6 +245,8 @@ contract L2Genesis is Deployer {
         if (cfg.useInterop()) {
             setCrossL2Inbox(); // 22
             setL2ToL2CrossDomainMessenger(); // 23
+            setSuperchainWETH(); // 24
+            setETHLiquidity(); // 25
         }
     }
 
@@ -475,6 +477,19 @@ contract L2Genesis is Deployer {
         _setImplementationCode(Predeploys.L2_TO_L2_CROSS_DOMAIN_MESSENGER);
     }
 
+    /// @notice This predeploy is following the saftey invariant #1.
+    ///         This contract has no initializer.
+    function setETHLiquidity() internal {
+        _setImplementationCode(Predeploys.ETH_LIQUIDITY);
+        vm.deal(Predeploys.ETH_LIQUIDITY, type(uint248).max);
+    }
+
+    /// @notice This predeploy is following the saftey invariant #1.
+    ///         This contract has no initializer.
+    function setSuperchainWETH() internal {
+        _setImplementationCode(Predeploys.SUPERCHAIN_WETH);
+    }
+
     /// @notice Sets all the preinstalls.
     ///         Warning: the creator-accounts of the preinstall contracts have 0 nonce values.
     ///         When performing a regular user-initiated contract-creation of a preinstall,

packages/contracts-bedrock/snapshots/abi/ETHLiquidity.json

@@ -0,0 +1,83 @@
+[
+  {
+    "inputs": [],
+    "name": "burn",
+    "outputs": [],
+    "stateMutability": "payable",
+    "type": "function"
+  },
+  {
+    "inputs": [
+      {
+        "internalType": "uint256",
+        "name": "_amount",
+        "type": "uint256"
+      }
+    ],
+    "name": "mint",
+    "outputs": [],
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "inputs": [],
+    "name": "version",
+    "outputs": [
+      {
+        "internalType": "string",
+        "name": "",
+        "type": "string"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  {
+    "anonymous": false,
+    "inputs": [
+      {
+        "indexed": true,
+        "internalType": "address",
+        "name": "caller",
+        "type": "address"
+      },
+      {
+        "indexed": false,
+        "internalType": "uint256",
+        "name": "value",
+        "type": "uint256"
+      }
+    ],
+    "name": "LiquidityBurned",
+    "type": "event"
+  },
+  {
+    "anonymous": false,
+    "inputs": [
+      {
+        "indexed": true,
+        "internalType": "address",
+        "name": "caller",
+        "type": "address"
+      },
+      {
+        "indexed": false,
+        "internalType": "uint256",
+        "name": "value",
+        "type": "uint256"
+      }
+    ],
+    "name": "LiquidityMinted",
+    "type": "event"
+  },
+  {
+    "inputs": [],
+    "name": "NotCustomGasToken",
+    "type": "error"
+  },
+  {
+    "inputs": [],
+    "name": "Unauthorized",
+    "type": "error"
+  }
+]