diff --git a/mock/get_block_by_number/batch_limit/request.json b/mock/get_block_by_number/batch_limit/request.json
new file mode 100644
index 0000000..466661d
--- /dev/null
+++ b/mock/get_block_by_number/batch_limit/request.json
@@ -0,0 +1,13 @@
+[
+    {"jsonrpc": "2.0", "method": "get_block_by_number", "params": ["0x0"], "id": "1"},
+    {"jsonrpc": "2.0", "method": "get_block_by_number", "params": ["0x0"], "id": "2"},
+    {"jsonrpc": "2.0", "method": "get_block_by_number", "params": ["0x0"], "id": "3"},
+    {"jsonrpc": "2.0", "method": "get_block_by_number", "params": ["0x0"], "id": "4"},
+    {"jsonrpc": "2.0", "method": "get_block_by_number", "params": ["0x0"], "id": "5"},
+    {"jsonrpc": "2.0", "method": "get_block_by_number", "params": ["0x0"], "id": "6"},
+    {"jsonrpc": "2.0", "method": "get_block_by_number", "params": ["0x0"], "id": "7"},
+    {"jsonrpc": "2.0", "method": "get_block_by_number", "params": ["0x0"], "id": "8"},
+    {"jsonrpc": "2.0", "method": "get_block_by_number", "params": ["0x0"], "id": "9"},
+    {"jsonrpc": "2.0", "method": "get_block_by_number", "params": ["0x0"], "id": "10"},
+    {"jsonrpc": "2.0", "method": "get_block_by_number", "params": ["0x0"], "id": "11"}
+]
\ No newline at end of file
diff --git a/mock/get_block_by_number/batch_limit/response.json b/mock/get_block_by_number/batch_limit/response.json
new file mode 100644
index 0000000..4b94cbb
--- /dev/null
+++ b/mock/get_block_by_number/batch_limit/response.json
@@ -0,0 +1,8 @@
+{
+    "jsonrpc": "2.0",
+    "error": {
+        "code": -32602,
+        "message": "batch size is too large, expect it less than: 10"
+    },
+    "id": null
+}
\ No newline at end of file
diff --git a/mock/get_transaction/add_index/request.json b/mock/get_transaction/add_index/request.json
new file mode 100644
index 0000000..c541bfa
--- /dev/null
+++ b/mock/get_transaction/add_index/request.json
@@ -0,0 +1,8 @@
+{
+    "id": 42,
+    "jsonrpc": "2.0",
+    "method": "get_transaction",
+    "params": [
+        "0x43655f10761861d421b1f9251044cce8b69a76a8d27242ec58abb5495c119061"
+    ]
+}
\ No newline at end of file
diff --git a/mock/get_transaction/add_index/response.json b/mock/get_transaction/add_index/response.json
new file mode 100644
index 0000000..f8f4660
--- /dev/null
+++ b/mock/get_transaction/add_index/response.json
@@ -0,0 +1,69 @@
+{
+    "jsonrpc": "2.0",
+    "result": {
+        "cycles": "0x19b6ef",
+        "fee": "0x2b8",
+        "min_replace_fee": "0x570",
+        "time_added_to_pool": "0x191970caec6",
+        "transaction": {
+            "cell_deps": [
+                {
+                    "dep_type": "dep_group",
+                    "out_point": {
+                        "index": "0x0",
+                        "tx_hash": "0x5f84f5252197cd3e7c4f6d07d4164e9867d6d83a667fdc7d344e6d709c08ddfe"
+                    }
+                }
+            ],
+            "hash": "0x43655f10761861d421b1f9251044cce8b69a76a8d27242ec58abb5495c119061",
+            "header_deps": [
+
+            ],
+            "inputs": [
+                {
+                    "previous_output": {
+                        "index": "0x0",
+                        "tx_hash": "0x1ed55dfc5703018d5d689e9282c79f44b3923576a8b684e6acfff50357d17a85"
+                    },
+                    "since": "0x0"
+                }
+            ],
+            "outputs": [
+                {
+                    "capacity": "0x2540be400",
+                    "lock": {
+                        "args": "0x8883a512ee2383c01574a328f60eeccbb4d78240",
+                        "code_hash": "0x9bd7e06f3ecf4be0f2fcd2188b23f1b9fcc88e5d4b65a8637b17723bbda3cce8",
+                        "hash_type": "type"
+                    },
+                    "type": null
+                },
+                {
+                    "capacity": "0x2c77cc0c43",
+                    "lock": {
+                        "args": "0x8883a512ee2383c01574a328f60eeccbb4d78240",
+                        "code_hash": "0x9bd7e06f3ecf4be0f2fcd2188b23f1b9fcc88e5d4b65a8637b17723bbda3cce8",
+                        "hash_type": "type"
+                    },
+                    "type": null
+                }
+            ],
+            "outputs_data": [
+                "0x",
+                "0x"
+            ],
+            "version": "0x0",
+            "witnesses": [
+                "0x55000000100000005500000055000000410000003d83443640b839a2e910d87e97b574ed6f49b9b1420b77a1dad19adb2e95099f7b37dcbe93bf50b36ca26364d76d7f3ccb39e1d21ad2d15eb4de63eee29f8f9d00"
+            ]
+        },
+        "tx_status": {
+            "block_hash": null,
+            "block_number": null,
+            "reason": null,
+            "status": "pending",
+            "tx_index": null
+        }
+    },
+    "id": 42
+}
\ No newline at end of file
diff --git a/mock/sync_state/[]/response.json b/mock/sync_state/[]/response.json
index 029e136..2133ab2 100644
--- a/mock/sync_state/[]/response.json
+++ b/mock/sync_state/[]/response.json
@@ -1,19 +1,22 @@
 {
-  "jsonrpc": "2.0",
-  "result": {
-    "assume_valid_target": "0x84ef5fe7cbf4242bdcac76326aa33f15b9cc41958e9d891157b8a6066dad0f31",
-    "assume_valid_target_reached": true,
-    "best_known_block_number": "0xce440e",
-    "best_known_block_timestamp": "0x190c0b5899b",
-    "fast_time": "0x3e8",
-    "ibd": false,
-    "inflight_blocks_count": "0x0",
-    "low_time": "0x5dc",
-    "min_chain_work": "0x3314412053c82802a7",
-    "min_chain_work_reached": true,
-    "normal_time": "0x4e2",
-    "orphan_blocks_count": "0x0",
-    "orphan_blocks_size": "0x0"
-  },
-  "id": 1
+    "jsonrpc": "2.0",
+    "result": {
+        "assume_valid_target": "0x0000000000000000000000000000000000000000000000000000000000000000",
+        "assume_valid_target_reached": true,
+        "best_known_block_number": "0x0",
+        "best_known_block_timestamp": "0x0",
+        "fast_time": "0x3e8",
+        "ibd": true,
+        "inflight_blocks_count": "0x0",
+        "low_time": "0x5dc",
+        "min_chain_work": "0x0",
+        "min_chain_work_reached": true,
+        "normal_time": "0x4e2",
+        "orphan_blocks_count": "0x0",
+        "tip_hash": "0x12a852dcfeefe9dd9caf60fdcadb595a97bf56d854528319167ef8cfed26fdd2",
+        "tip_number": "0x0",
+        "unverified_tip_hash": "0x12a852dcfeefe9dd9caf60fdcadb595a97bf56d854528319167ef8cfed26fdd2",
+        "unverified_tip_number": "0x0"
+    },
+    "id": 42
 }
\ No newline at end of file
diff --git a/mock/tx_pool_info/[]/request.json b/mock/tx_pool_info/[]/request.json
index 4d6f1a4..6811aa6 100644
--- a/mock/tx_pool_info/[]/request.json
+++ b/mock/tx_pool_info/[]/request.json
@@ -1,6 +1,8 @@
 {
-  "id": 42,
-  "jsonrpc": "2.0",
-  "method": "tx_pool_info",
-  "params": []
+    "id": 42,
+    "jsonrpc": "2.0",
+    "method": "tx_pool_info",
+    "params": [
+
+    ]
 }
\ No newline at end of file
diff --git a/mock/tx_pool_info/[]/response.json b/mock/tx_pool_info/[]/response.json
index 0bfcefb..d7b9b90 100644
--- a/mock/tx_pool_info/[]/response.json
+++ b/mock/tx_pool_info/[]/response.json
@@ -1,18 +1,19 @@
 {
-  "jsonrpc": "2.0",
-  "result": {
-    "last_txs_updated_at": "0x0",
-    "max_tx_pool_size": "0xaba9500",
-    "min_fee_rate": "0x3e8",
-    "min_rbf_rate": "0x5dc",
-    "orphan": "0x0",
-    "pending": "0x0",
-    "proposed": "0x0",
-    "tip_hash": "0x8e839a075ef1a25590b251c9d6dd2a753db035ca4a08553f7e521fc34e2806da",
-    "tip_number": "0xc67",
-    "total_tx_cycles": "0x0",
-    "total_tx_size": "0x0",
-    "tx_size_limit": "0x7d000"
-  },
-  "id": 42
-}
+    "jsonrpc": "2.0",
+    "result": {
+        "last_txs_updated_at": "0x0",
+        "max_tx_pool_size": "0xaba9500",
+        "min_fee_rate": "0x3e8",
+        "min_rbf_rate": "0x5dc",
+        "orphan": "0x0",
+        "pending": "0x0",
+        "proposed": "0x0",
+        "tip_hash": "0x7caf517c254e50654e8ea596d72785864446aaa4d05fcf5fcd0fbdebf4bd8eb7",
+        "tip_number": "0x1",
+        "total_tx_cycles": "0x0",
+        "total_tx_size": "0x0",
+        "tx_size_limit": "0x7d000",
+        "verify_queue_size": "0x0"
+    },
+    "id": 42
+}
\ No newline at end of file