diff --git a/crates/cairo-profiler/tests/data/deploy.json b/crates/cairo-profiler/tests/data/deploy.json
index 814c9aa..a5635c5 100644
--- a/crates/cairo-profiler/tests/data/deploy.json
+++ b/crates/cairo-profiler/tests/data/deploy.json
@@ -1,5 +1,6 @@
 {
   "entry_point": {
+    "class_hash": "",
     "entry_point_type": "EXTERNAL",
     "entry_point_selector": "0x017340c6779204ea2a91c87d1c2226a3aebda65c64da3672a36893c4330ea27b",
     "contract_address": "0x0000000000000000000000000000000000001724987234973219347210837402",
@@ -39,6 +40,7 @@
   "nested_calls": [
     {
       "entry_point": {
+        "class_hash": "",
         "entry_point_type": "CONSTRUCTOR",
         "entry_point_selector": "0x028ffe4ff0f226a9107253e17a904099aa4f63a02a5621de0576e5aa71bc5194",
         "contract_address": "0x00cf5578e374fe3d4125ec101d93f211b9d9604440904da7683b0ad2a2b69489",
@@ -78,6 +80,7 @@
       "nested_calls": [
         {
           "entry_point": {
+            "class_hash": "",
             "entry_point_type": "EXTERNAL",
             "entry_point_selector": "0x02eaa67a25fa536ec4c6f60d78307c722e85f57dafc8165de6b528b7b9a588e4",
             "contract_address": "0x0712b80bc52e8ffba912d8827e0bcaaba0bc6242a8562f1235a66d6bea7aba1b",
@@ -122,6 +125,7 @@
     },
     {
       "entry_point": {
+        "class_hash": "",
         "entry_point_type": "CONSTRUCTOR",
         "entry_point_selector": "0x028ffe4ff0f226a9107253e17a904099aa4f63a02a5621de0576e5aa71bc5194",
         "contract_address": "0x04eddabccd939955073921d1d86c8b54b6c18d746b2147a0d0a18f73199538b7",
@@ -161,6 +165,7 @@
       "nested_calls": [
         {
           "entry_point": {
+            "class_hash": "",
             "entry_point_type": "EXTERNAL",
             "entry_point_selector": "0x02eaa67a25fa536ec4c6f60d78307c722e85f57dafc8165de6b528b7b9a588e4",
             "contract_address": "0x0712b80bc52e8ffba912d8827e0bcaaba0bc6242a8562f1235a66d6bea7aba1b",
@@ -205,6 +210,7 @@
     },
     {
       "entry_point": {
+        "class_hash": "",
         "entry_point_type": "CONSTRUCTOR",
         "entry_point_selector": "0x028ffe4ff0f226a9107253e17a904099aa4f63a02a5621de0576e5aa71bc5194",
         "contract_address": "0x000000000000000000000000000000000000000000000000000000000000007b",
@@ -244,6 +250,7 @@
       "nested_calls": [
         {
           "entry_point": {
+            "class_hash": "",
             "entry_point_type": "EXTERNAL",
             "entry_point_selector": "0x02eaa67a25fa536ec4c6f60d78307c722e85f57dafc8165de6b528b7b9a588e4",
             "contract_address": "0x0712b80bc52e8ffba912d8827e0bcaaba0bc6242a8562f1235a66d6bea7aba1b",
@@ -288,6 +295,7 @@
     },
     {
       "entry_point": {
+        "class_hash": "",
         "entry_point_type": "CONSTRUCTOR",
         "entry_point_selector": "0x028ffe4ff0f226a9107253e17a904099aa4f63a02a5621de0576e5aa71bc5194",
         "contract_address": "0x00f586ed97c4cc13396677dd46f8fad23cfb7ff4d847430daf0102bb4164fc42",
@@ -327,6 +335,7 @@
       "nested_calls": [
         {
           "entry_point": {
+            "class_hash": "",
             "entry_point_type": "EXTERNAL",
             "entry_point_selector": "0x02eaa67a25fa536ec4c6f60d78307c722e85f57dafc8165de6b528b7b9a588e4",
             "contract_address": "0x0712b80bc52e8ffba912d8827e0bcaaba0bc6242a8562f1235a66d6bea7aba1b",
diff --git a/crates/cairo-profiler/tests/data/l1_handler.json b/crates/cairo-profiler/tests/data/l1_handler.json
index ce32c64..56f083e 100644
--- a/crates/cairo-profiler/tests/data/l1_handler.json
+++ b/crates/cairo-profiler/tests/data/l1_handler.json
@@ -1,5 +1,6 @@
 {
   "entry_point": {
+    "class_hash": "",
     "entry_point_type": "EXTERNAL",
     "entry_point_selector": "0x017340c6779204ea2a91c87d1c2226a3aebda65c64da3672a36893c4330ea27b",
     "contract_address": "0x0000000000000000000000000000000000001724987234973219347210837402",
@@ -39,6 +40,7 @@
   "nested_calls": [
     {
       "entry_point": {
+        "class_hash": "",
         "entry_point_type": "CONSTRUCTOR",
         "entry_point_selector": "0x028ffe4ff0f226a9107253e17a904099aa4f63a02a5621de0576e5aa71bc5194",
         "contract_address": "0x00cf5578e374fe3d4125ec101d93f211b9d9604440904da7683b0ad2a2b69489",
@@ -78,6 +80,7 @@
       "nested_calls": [
         {
           "entry_point": {
+            "class_hash": "",
             "entry_point_type": "EXTERNAL",
             "entry_point_selector": "0x02eaa67a25fa536ec4c6f60d78307c722e85f57dafc8165de6b528b7b9a588e4",
             "contract_address": "0x0712b80bc52e8ffba912d8827e0bcaaba0bc6242a8562f1235a66d6bea7aba1b",
@@ -122,6 +125,7 @@
     },
     {
       "entry_point": {
+        "class_hash": "",
         "entry_point_type": "L1_HANDLER",
         "entry_point_selector": "0x0084f38c3647f1eb0529feafe11451196f6f0413184d82a1660f32ea9b5da952",
         "contract_address": "0x0712b80bc52e8ffba912d8827e0bcaaba0bc6242a8562f1235a66d6bea7aba1b",
@@ -161,6 +165,7 @@
       "nested_calls": [
         {
           "entry_point": {
+            "class_hash": "",
             "entry_point_type": "EXTERNAL",
             "entry_point_selector": "0x014d7bff2015b0a213b958b57be5d1588a9720baebac310a441c990bae986710",
             "contract_address": "0x00cf5578e374fe3d4125ec101d93f211b9d9604440904da7683b0ad2a2b69489",
@@ -200,6 +205,7 @@
           "nested_calls": [
             {
               "entry_point": {
+                "class_hash": "",
                 "entry_point_type": "EXTERNAL",
                 "entry_point_selector": "0x02eaa67a25fa536ec4c6f60d78307c722e85f57dafc8165de6b528b7b9a588e4",
                 "contract_address": "0x0712b80bc52e8ffba912d8827e0bcaaba0bc6242a8562f1235a66d6bea7aba1b",
diff --git a/crates/cairo-profiler/tests/data/trace.json b/crates/cairo-profiler/tests/data/trace.json
index 4af7232..cf33f0e 100644
--- a/crates/cairo-profiler/tests/data/trace.json
+++ b/crates/cairo-profiler/tests/data/trace.json
@@ -1,5 +1,6 @@
 {
   "entry_point": {
+    "class_hash": "",
     "entry_point_type": "EXTERNAL",
     "entry_point_selector": "0x017340c6779204ea2a91c87d1c2226a3aebda65c64da3672a36893c4330ea27b",
     "contract_address": "0x0000000000000000000000000000000000001724987234973219347210837402",
@@ -40,6 +41,7 @@
   "nested_calls": [
     {
       "entry_point": {
+        "class_hash": "",
         "entry_point_type": "CONSTRUCTOR",
         "entry_point_selector": "0x028ffe4ff0f226a9107253e17a904099aa4f63a02a5621de0576e5aa71bc5194",
         "contract_address": "0x06a72e95d9d261d01d7e41e79a49c751508c74a1fd4689f56d21d749ca6e17a0",
@@ -79,6 +81,7 @@
       "nested_calls": [
         {
           "entry_point": {
+            "class_hash": "",
             "entry_point_type": "EXTERNAL",
             "entry_point_selector": "0x02eaa67a25fa536ec4c6f60d78307c722e85f57dafc8165de6b528b7b9a588e4",
             "contract_address": "0x0712b80bc52e8ffba912d8827e0bcaaba0bc6242a8562f1235a66d6bea7aba1b",
@@ -123,6 +126,7 @@
     },
     {
       "entry_point": {
+        "class_hash": "",
         "entry_point_type": "EXTERNAL",
         "entry_point_selector": "0x014d7bff2015b0a213b958b57be5d1588a9720baebac310a441c990bae986710",
         "contract_address": "0x06a72e95d9d261d01d7e41e79a49c751508c74a1fd4689f56d21d749ca6e17a0",
@@ -162,6 +166,7 @@
       "nested_calls": [
         {
           "entry_point": {
+            "class_hash": "",
             "entry_point_type": "EXTERNAL",
             "entry_point_selector": "0x02eaa67a25fa536ec4c6f60d78307c722e85f57dafc8165de6b528b7b9a588e4",
             "contract_address": "0x0712b80bc52e8ffba912d8827e0bcaaba0bc6242a8562f1235a66d6bea7aba1b",
@@ -206,6 +211,7 @@
     },
     {
       "entry_point": {
+        "class_hash": "",
         "entry_point_type": "EXTERNAL",
         "entry_point_selector": "0x004bdc46cbf005c1cd386c527a40ebef01d1a9ea4c226b74b6495539b8f16a7a",
         "contract_address": "0x06a72e95d9d261d01d7e41e79a49c751508c74a1fd4689f56d21d749ca6e17a0",
@@ -245,6 +251,7 @@
       "nested_calls": [
         {
           "entry_point": {
+            "class_hash": "",
             "entry_point_type": "EXTERNAL",
             "entry_point_selector": "0x02eaa67a25fa536ec4c6f60d78307c722e85f57dafc8165de6b528b7b9a588e4",
             "contract_address": "0x06a72e95d9d261d01d7e41e79a49c751508c74a1fd4689f56d21d749ca6e17a0",
@@ -289,6 +296,7 @@
     },
     {
       "entry_point": {
+        "class_hash": "",
         "entry_point_type": "EXTERNAL",
         "entry_point_selector": "0x03f55930393ea07087c654a727a871299cabe3617a1330514cdc490470be9aa0",
         "contract_address": "0x06a72e95d9d261d01d7e41e79a49c751508c74a1fd4689f56d21d749ca6e17a0",
@@ -328,6 +336,7 @@
       "nested_calls": [
         {
           "entry_point": {
+            "class_hash": "",
             "entry_point_type": "EXTERNAL",
             "entry_point_selector": "0x02eaa67a25fa536ec4c6f60d78307c722e85f57dafc8165de6b528b7b9a588e4",
             "contract_address": "0x0712b80bc52e8ffba912d8827e0bcaaba0bc6242a8562f1235a66d6bea7aba1b",
@@ -369,6 +378,7 @@
         },
         {
           "entry_point": {
+            "class_hash": "",
             "entry_point_type": "EXTERNAL",
             "entry_point_selector": "0x010d869dd492a59760ea0fa8b9f9ac52808445c51200f97727af69506e959b7f",
             "contract_address": "0x0644932b4d54c062ffa3bf22500b314e154de99854df7245d64c8e2238e39742",
@@ -413,6 +423,7 @@
     },
     {
       "entry_point": {
+        "class_hash": "",
         "entry_point_type": "EXTERNAL",
         "entry_point_selector": "0x02eaa67a25fa536ec4c6f60d78307c722e85f57dafc8165de6b528b7b9a588e4",
         "contract_address": "0x0712b80bc52e8ffba912d8827e0bcaaba0bc6242a8562f1235a66d6bea7aba1b",
diff --git a/crates/trace-data/src/lib.rs b/crates/trace-data/src/lib.rs
index 1698068..da68883 100644
--- a/crates/trace-data/src/lib.rs
+++ b/crates/trace-data/src/lib.rs
@@ -124,6 +124,7 @@ pub enum DeprecatedSyscallSelector {
 
 #[derive(Clone, Debug, Default, Eq, PartialEq, Serialize, Deserialize)]
 pub struct CallEntryPoint {
+    pub class_hash: ClassHash,
     pub entry_point_type: EntryPointType,
     pub entry_point_selector: EntryPointSelector,
     pub contract_address: ContractAddress,