diff --git a/abi/IZkSyncV2.json b/abi/IZkSyncV2.json
index 4e3d572..a82b32f 100644
--- a/abi/IZkSyncV2.json
+++ b/abi/IZkSyncV2.json
@@ -6,25 +6,42 @@
         "name": "_initialOwner",
         "type": "address"
       },
-      {
-        "internalType": "address",
-        "name": "_zkSyncContract",
-        "type": "address"
-      },
       {
         "internalType": "uint32",
         "name": "_executionDelay",
         "type": "uint32"
       },
       {
-        "internalType": "address",
-        "name": "_validator",
-        "type": "address"
+        "internalType": "uint256",
+        "name": "_eraChainId",
+        "type": "uint256"
       }
     ],
     "stateMutability": "nonpayable",
     "type": "constructor"
   },
+  {
+    "inputs": [
+      {
+        "internalType": "uint256",
+        "name": "_chainId",
+        "type": "uint256"
+      }
+    ],
+    "name": "AddressAlreadyValidator",
+    "type": "error"
+  },
+  {
+    "inputs": [
+      {
+        "internalType": "uint256",
+        "name": "_chainId",
+        "type": "uint256"
+      }
+    ],
+    "name": "ValidatorDoesNotExist",
+    "type": "error"
+  },
   {
     "anonymous": false,
     "inputs": [
@@ -136,19 +153,19 @@
     "anonymous": false,
     "inputs": [
       {
-        "indexed": false,
+        "indexed": true,
         "internalType": "address",
-        "name": "_oldValidator",
+        "name": "previousOwner",
         "type": "address"
       },
       {
-        "indexed": false,
+        "indexed": true,
         "internalType": "address",
-        "name": "_newValidator",
+        "name": "newOwner",
         "type": "address"
       }
     ],
-    "name": "NewValidator",
+    "name": "OwnershipTransferStarted",
     "type": "event"
   },
   {
@@ -167,7 +184,7 @@
         "type": "address"
       }
     ],
-    "name": "OwnershipTransferStarted",
+    "name": "OwnershipTransferred",
     "type": "event"
   },
   {
@@ -175,18 +192,37 @@
     "inputs": [
       {
         "indexed": true,
+        "internalType": "uint256",
+        "name": "_chainId",
+        "type": "uint256"
+      },
+      {
+        "indexed": false,
         "internalType": "address",
-        "name": "previousOwner",
+        "name": "_addedValidator",
         "type": "address"
-      },
+      }
+    ],
+    "name": "ValidatorAdded",
+    "type": "event"
+  },
+  {
+    "anonymous": false,
+    "inputs": [
       {
         "indexed": true,
+        "internalType": "uint256",
+        "name": "_chainId",
+        "type": "uint256"
+      },
+      {
+        "indexed": false,
         "internalType": "address",
-        "name": "newOwner",
+        "name": "_removedValidator",
         "type": "address"
       }
     ],
-    "name": "OwnershipTransferred",
+    "name": "ValidatorRemoved",
     "type": "event"
   },
   {
@@ -196,6 +232,24 @@
     "stateMutability": "nonpayable",
     "type": "function"
   },
+  {
+    "inputs": [
+      {
+        "internalType": "uint256",
+        "name": "_chainId",
+        "type": "uint256"
+      },
+      {
+        "internalType": "address",
+        "name": "_newValidator",
+        "type": "address"
+      }
+    ],
+    "name": "addValidator",
+    "outputs": [],
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
   {
     "inputs": [
       {
@@ -294,7 +348,7 @@
           },
           {
             "internalType": "bytes",
-            "name": "totalL2ToL1Pubdata",
+            "name": "pubdataCommitments",
             "type": "bytes"
           }
         ],
@@ -308,6 +362,123 @@
     "stateMutability": "nonpayable",
     "type": "function"
   },
+  {
+    "inputs": [
+      {
+        "internalType": "uint256",
+        "name": "_chainId",
+        "type": "uint256"
+      },
+      {
+        "components": [
+          {
+            "internalType": "uint64",
+            "name": "batchNumber",
+            "type": "uint64"
+          },
+          {
+            "internalType": "bytes32",
+            "name": "batchHash",
+            "type": "bytes32"
+          },
+          {
+            "internalType": "uint64",
+            "name": "indexRepeatedStorageChanges",
+            "type": "uint64"
+          },
+          {
+            "internalType": "uint256",
+            "name": "numberOfLayer1Txs",
+            "type": "uint256"
+          },
+          {
+            "internalType": "bytes32",
+            "name": "priorityOperationsHash",
+            "type": "bytes32"
+          },
+          {
+            "internalType": "bytes32",
+            "name": "l2LogsTreeRoot",
+            "type": "bytes32"
+          },
+          {
+            "internalType": "uint256",
+            "name": "timestamp",
+            "type": "uint256"
+          },
+          {
+            "internalType": "bytes32",
+            "name": "commitment",
+            "type": "bytes32"
+          }
+        ],
+        "internalType": "struct IExecutor.StoredBatchInfo",
+        "name": "",
+        "type": "tuple"
+      },
+      {
+        "components": [
+          {
+            "internalType": "uint64",
+            "name": "batchNumber",
+            "type": "uint64"
+          },
+          {
+            "internalType": "uint64",
+            "name": "timestamp",
+            "type": "uint64"
+          },
+          {
+            "internalType": "uint64",
+            "name": "indexRepeatedStorageChanges",
+            "type": "uint64"
+          },
+          {
+            "internalType": "bytes32",
+            "name": "newStateRoot",
+            "type": "bytes32"
+          },
+          {
+            "internalType": "uint256",
+            "name": "numberOfLayer1Txs",
+            "type": "uint256"
+          },
+          {
+            "internalType": "bytes32",
+            "name": "priorityOperationsHash",
+            "type": "bytes32"
+          },
+          {
+            "internalType": "bytes32",
+            "name": "bootloaderHeapInitialContentsHash",
+            "type": "bytes32"
+          },
+          {
+            "internalType": "bytes32",
+            "name": "eventsQueueStateHash",
+            "type": "bytes32"
+          },
+          {
+            "internalType": "bytes",
+            "name": "systemLogs",
+            "type": "bytes"
+          },
+          {
+            "internalType": "bytes",
+            "name": "pubdataCommitments",
+            "type": "bytes"
+          }
+        ],
+        "internalType": "struct IExecutor.CommitBatchInfo[]",
+        "name": "_newBatchesData",
+        "type": "tuple[]"
+      }
+    ],
+    "name": "commitBatchesSharedBridge",
+    "outputs": [],
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
   {
     "inputs": [
       {
@@ -363,6 +534,66 @@
     "stateMutability": "nonpayable",
     "type": "function"
   },
+  {
+    "inputs": [
+      {
+        "internalType": "uint256",
+        "name": "_chainId",
+        "type": "uint256"
+      },
+      {
+        "components": [
+          {
+            "internalType": "uint64",
+            "name": "batchNumber",
+            "type": "uint64"
+          },
+          {
+            "internalType": "bytes32",
+            "name": "batchHash",
+            "type": "bytes32"
+          },
+          {
+            "internalType": "uint64",
+            "name": "indexRepeatedStorageChanges",
+            "type": "uint64"
+          },
+          {
+            "internalType": "uint256",
+            "name": "numberOfLayer1Txs",
+            "type": "uint256"
+          },
+          {
+            "internalType": "bytes32",
+            "name": "priorityOperationsHash",
+            "type": "bytes32"
+          },
+          {
+            "internalType": "bytes32",
+            "name": "l2LogsTreeRoot",
+            "type": "bytes32"
+          },
+          {
+            "internalType": "uint256",
+            "name": "timestamp",
+            "type": "uint256"
+          },
+          {
+            "internalType": "bytes32",
+            "name": "commitment",
+            "type": "bytes32"
+          }
+        ],
+        "internalType": "struct IExecutor.StoredBatchInfo[]",
+        "name": "_newBatchesData",
+        "type": "tuple[]"
+      }
+    ],
+    "name": "executeBatchesSharedBridge",
+    "outputs": [],
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
   {
     "inputs": [],
     "name": "executionDelay",
@@ -378,6 +609,11 @@
   },
   {
     "inputs": [
+      {
+        "internalType": "uint256",
+        "name": "_chainId",
+        "type": "uint256"
+      },
       {
         "internalType": "uint256",
         "name": "_l2BatchNumber",
@@ -553,6 +789,148 @@
     "stateMutability": "nonpayable",
     "type": "function"
   },
+  {
+    "inputs": [
+      {
+        "internalType": "uint256",
+        "name": "_chainId",
+        "type": "uint256"
+      },
+      {
+        "components": [
+          {
+            "internalType": "uint64",
+            "name": "batchNumber",
+            "type": "uint64"
+          },
+          {
+            "internalType": "bytes32",
+            "name": "batchHash",
+            "type": "bytes32"
+          },
+          {
+            "internalType": "uint64",
+            "name": "indexRepeatedStorageChanges",
+            "type": "uint64"
+          },
+          {
+            "internalType": "uint256",
+            "name": "numberOfLayer1Txs",
+            "type": "uint256"
+          },
+          {
+            "internalType": "bytes32",
+            "name": "priorityOperationsHash",
+            "type": "bytes32"
+          },
+          {
+            "internalType": "bytes32",
+            "name": "l2LogsTreeRoot",
+            "type": "bytes32"
+          },
+          {
+            "internalType": "uint256",
+            "name": "timestamp",
+            "type": "uint256"
+          },
+          {
+            "internalType": "bytes32",
+            "name": "commitment",
+            "type": "bytes32"
+          }
+        ],
+        "internalType": "struct IExecutor.StoredBatchInfo",
+        "name": "",
+        "type": "tuple"
+      },
+      {
+        "components": [
+          {
+            "internalType": "uint64",
+            "name": "batchNumber",
+            "type": "uint64"
+          },
+          {
+            "internalType": "bytes32",
+            "name": "batchHash",
+            "type": "bytes32"
+          },
+          {
+            "internalType": "uint64",
+            "name": "indexRepeatedStorageChanges",
+            "type": "uint64"
+          },
+          {
+            "internalType": "uint256",
+            "name": "numberOfLayer1Txs",
+            "type": "uint256"
+          },
+          {
+            "internalType": "bytes32",
+            "name": "priorityOperationsHash",
+            "type": "bytes32"
+          },
+          {
+            "internalType": "bytes32",
+            "name": "l2LogsTreeRoot",
+            "type": "bytes32"
+          },
+          {
+            "internalType": "uint256",
+            "name": "timestamp",
+            "type": "uint256"
+          },
+          {
+            "internalType": "bytes32",
+            "name": "commitment",
+            "type": "bytes32"
+          }
+        ],
+        "internalType": "struct IExecutor.StoredBatchInfo[]",
+        "name": "",
+        "type": "tuple[]"
+      },
+      {
+        "components": [
+          {
+            "internalType": "uint256[]",
+            "name": "recursiveAggregationInput",
+            "type": "uint256[]"
+          },
+          {
+            "internalType": "uint256[]",
+            "name": "serializedProof",
+            "type": "uint256[]"
+          }
+        ],
+        "internalType": "struct IExecutor.ProofInput",
+        "name": "",
+        "type": "tuple"
+      }
+    ],
+    "name": "proveBatchesSharedBridge",
+    "outputs": [],
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "inputs": [
+      {
+        "internalType": "uint256",
+        "name": "_chainId",
+        "type": "uint256"
+      },
+      {
+        "internalType": "address",
+        "name": "_validator",
+        "type": "address"
+      }
+    ],
+    "name": "removeValidator",
+    "outputs": [],
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
   {
     "inputs": [],
     "name": "renounceOwnership",
@@ -573,6 +951,24 @@
     "stateMutability": "nonpayable",
     "type": "function"
   },
+  {
+    "inputs": [
+      {
+        "internalType": "uint256",
+        "name": "_chainId",
+        "type": "uint256"
+      },
+      {
+        "internalType": "uint256",
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "name": "revertBatchesSharedBridge",
+    "outputs": [],
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
   {
     "inputs": [
       {
@@ -589,16 +985,29 @@
   {
     "inputs": [
       {
-        "internalType": "address",
-        "name": "_newValidator",
+        "internalType": "contract IStateTransitionManager",
+        "name": "_stateTransitionManager",
         "type": "address"
       }
     ],
-    "name": "setValidator",
+    "name": "setStateTransitionManager",
     "outputs": [],
     "stateMutability": "nonpayable",
     "type": "function"
   },
+  {
+    "inputs": [],
+    "name": "stateTransitionManager",
+    "outputs": [
+      {
+        "internalType": "contract IStateTransitionManager",
+        "name": "",
+        "type": "address"
+      }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
   {
     "inputs": [
       {
@@ -613,26 +1022,24 @@
     "type": "function"
   },
   {
-    "inputs": [],
-    "name": "validator",
-    "outputs": [
+    "inputs": [
+      {
+        "internalType": "uint256",
+        "name": "_chainId",
+        "type": "uint256"
+      },
       {
         "internalType": "address",
-        "name": "",
+        "name": "_validator",
         "type": "address"
       }
     ],
-    "stateMutability": "view",
-    "type": "function"
-  },
-  {
-    "inputs": [],
-    "name": "zkSyncContract",
+    "name": "validators",
     "outputs": [
       {
-        "internalType": "address",
+        "internalType": "bool",
         "name": "",
-        "type": "address"
+        "type": "bool"
       }
     ],
     "stateMutability": "view",
diff --git a/state-reconstruct-fetcher/src/l1_fetcher.rs b/state-reconstruct-fetcher/src/l1_fetcher.rs
index 540fc2e..2d3bdba 100644
--- a/state-reconstruct-fetcher/src/l1_fetcher.rs
+++ b/state-reconstruct-fetcher/src/l1_fetcher.rs
@@ -501,8 +501,8 @@ impl L1Fetcher {
         Ok(tokio::spawn({
             async move {
                 let mut boojum_mode = false;
-                let mut function =
-                    contracts.v1.functions_by_name("commitBlocks").unwrap()[0].clone();
+                let mut functions =
+                    vec![contracts.v1.functions_by_name("commitBlocks").unwrap()[0].clone()];
                 let mut last_block_number_processed = None;
 
                 while let Some(tx) = l1_tx_rx.recv().await {
@@ -521,12 +521,18 @@ impl L1Fetcher {
                     if !boojum_mode && block_number >= BOOJUM_BLOCK {
                         tracing::debug!("Reached `BOOJUM_BLOCK`, changing commit block format");
                         boojum_mode = true;
-                        function =
-                            contracts.v2.functions_by_name("commitBatches").unwrap()[0].clone();
+                        functions = vec![
+                            contracts.v2.functions_by_name("commitBatches").unwrap()[0].clone(),
+                            contracts
+                                .v2
+                                .functions_by_name("commitBatchesSharedBridge")
+                                .unwrap()[0]
+                                .clone(),
+                        ];
                     }
 
                     let blocks = loop {
-                        match parse_calldata(block_number, &function, &tx.input, &client).await {
+                        match parse_calldata(block_number, &functions, &tx.input, &client).await {
                             Ok(blks) => break blks,
                             Err(e) => match e {
                                 ParseError::BlobStorageError(_) => {
@@ -595,18 +601,27 @@ impl L1Fetcher {
 
 pub async fn parse_calldata(
     l1_block_number: u64,
-    commit_blocks_fn: &Function,
+    commit_candidates: &Vec<Function>,
     calldata: &[u8],
     client: &BlobHttpClient,
 ) -> Result<Vec<CommitBlock>, ParseError> {
-    let mut parsed_input = commit_blocks_fn
+    if calldata.len() < 4 {
+        return Err(ParseError::InvalidCalldata("too short".to_string()));
+    }
+
+    let commit_fn = commit_candidates
+        .iter()
+        .find(|f| f.short_signature() == calldata[..4])
+        .ok_or_else(|| ParseError::InvalidCalldata("signature not found".to_string()))?;
+    let mut parsed_input = commit_fn
         .decode_input(&calldata[4..])
         .map_err(|e| ParseError::InvalidCalldata(e.to_string()))?;
 
-    if parsed_input.len() != 2 {
+    let argc = parsed_input.len();
+    if argc != 2 && argc != 3 {
         return Err(ParseError::InvalidCalldata(format!(
-            "invalid number of parameters (got {}, expected 2) for commitBlocks function",
-            parsed_input.len()
+            "invalid number of parameters (got {}, expected 2 or 3) for commitBlocks function",
+            argc
         )));
     }