diff --git a/assembly/index.ts b/assembly/index.ts
index 5ddbcb9..006ec74 100644
--- a/assembly/index.ts
+++ b/assembly/index.ts
@@ -28,6 +28,8 @@ export * from "./massa/abi/v1/CallRequest";
 export * from "./massa/abi/v1/CallResponse";
 export * from "./massa/abi/v1/CallerHasWriteAccessRequest";
 export * from "./massa/abi/v1/CallerHasWriteAccessResult";
+export * from "./massa/abi/v1/ChainIdRequest";
+export * from "./massa/abi/v1/ChainIdResult";
 export * from "./massa/abi/v1/CheckAddressRequest";
 export * from "./massa/abi/v1/CheckAddressResult";
 export * from "./massa/abi/v1/CheckNativeAmountRequest";
diff --git a/assembly/massa/abi/v1/ChainIdRequest.ts b/assembly/massa/abi/v1/ChainIdRequest.ts
new file mode 100644
index 0000000..6ab758c
--- /dev/null
+++ b/assembly/massa/abi/v1/ChainIdRequest.ts
@@ -0,0 +1,36 @@
+// Code generated by protoc-gen-as. DO NOT EDIT.
+// Versions:
+//   protoc-gen-as v1.3.0
+//   protoc        v4.23.2
+
+import { Writer, Reader, Protobuf } from "as-proto/assembly";
+
+export class ChainIdRequest {
+  static encode(message: ChainIdRequest, writer: Writer): void {}
+
+  static decode(reader: Reader, length: i32): ChainIdRequest {
+    const end: usize = length < 0 ? reader.end : reader.ptr + length;
+    const message = new ChainIdRequest();
+
+    while (reader.ptr < end) {
+      const tag = reader.uint32();
+      switch (tag >>> 3) {
+        default:
+          reader.skipType(tag & 7);
+          break;
+      }
+    }
+
+    return message;
+  }
+
+  constructor() {}
+}
+
+export function encodeChainIdRequest(message: ChainIdRequest): Uint8Array {
+  return Protobuf.encode(message, ChainIdRequest.encode);
+}
+
+export function decodeChainIdRequest(buffer: Uint8Array): ChainIdRequest {
+  return Protobuf.decode<ChainIdRequest>(buffer, ChainIdRequest.decode);
+}
diff --git a/assembly/massa/abi/v1/ChainIdResult.ts b/assembly/massa/abi/v1/ChainIdResult.ts
new file mode 100644
index 0000000..0804a60
--- /dev/null
+++ b/assembly/massa/abi/v1/ChainIdResult.ts
@@ -0,0 +1,47 @@
+// Code generated by protoc-gen-as. DO NOT EDIT.
+// Versions:
+//   protoc-gen-as v1.3.0
+//   protoc        v4.23.2
+
+import { Writer, Reader, Protobuf } from "as-proto/assembly";
+
+export class ChainIdResult {
+  static encode(message: ChainIdResult, writer: Writer): void {
+    writer.uint32(8);
+    writer.uint64(message.id);
+  }
+
+  static decode(reader: Reader, length: i32): ChainIdResult {
+    const end: usize = length < 0 ? reader.end : reader.ptr + length;
+    const message = new ChainIdResult();
+
+    while (reader.ptr < end) {
+      const tag = reader.uint32();
+      switch (tag >>> 3) {
+        case 1:
+          message.id = reader.uint64();
+          break;
+
+        default:
+          reader.skipType(tag & 7);
+          break;
+      }
+    }
+
+    return message;
+  }
+
+  id: u64;
+
+  constructor(id: u64 = 0) {
+    this.id = id;
+  }
+}
+
+export function encodeChainIdResult(message: ChainIdResult): Uint8Array {
+  return Protobuf.encode(message, ChainIdResult.encode);
+}
+
+export function decodeChainIdResult(buffer: Uint8Array): ChainIdResult {
+  return Protobuf.decode<ChainIdResult>(buffer, ChainIdResult.decode);
+}
diff --git a/assembly/massa/abi/v1/RespResult.ts b/assembly/massa/abi/v1/RespResult.ts
index edbb589..ccd9960 100644
--- a/assembly/massa/abi/v1/RespResult.ts
+++ b/assembly/massa/abi/v1/RespResult.ts
@@ -66,6 +66,7 @@ import { VerifySigResult } from "./VerifySigResult";
 import { EvmGetAddressFromPubkeyResult } from "./EvmGetAddressFromPubkeyResult";
 import { EvmGetPubkeyFromSignatureResult } from "./EvmGetPubkeyFromSignatureResult";
 import { IsAddressEoaResult } from "./IsAddressEoaResult";
+import { ChainIdResult } from "./ChainIdResult";
 
 export class RespResult {
   static encode(message: RespResult, writer: Writer): void {
@@ -586,6 +587,14 @@ export class RespResult {
       IsAddressEoaResult.encode(isAddressEoaResult, writer);
       writer.ldelim();
     }
+
+    const chainIdResult = message.chainIdResult;
+    if (chainIdResult !== null) {
+      writer.uint32(506);
+      writer.fork();
+      ChainIdResult.encode(chainIdResult, writer);
+      writer.ldelim();
+    }
   }
 
   static decode(reader: Reader, length: i32): RespResult {
@@ -1003,6 +1012,10 @@ export class RespResult {
           );
           break;
 
+        case 63:
+          message.chainIdResult = ChainIdResult.decode(reader, reader.uint32());
+          break;
+
         default:
           reader.skipType(tag & 7);
           break;
@@ -1074,6 +1087,7 @@ export class RespResult {
   evmGetAddressFromPubkeyResult: EvmGetAddressFromPubkeyResult | null;
   evmGetPubkeyFromSignatureResult: EvmGetPubkeyFromSignatureResult | null;
   isAddressEoaResult: IsAddressEoaResult | null;
+  chainIdResult: ChainIdResult | null;
 
   constructor(
     addNativeAmountResult: AddNativeAmountResult | null = null,
@@ -1137,7 +1151,8 @@ export class RespResult {
     verifySigResult: VerifySigResult | null = null,
     evmGetAddressFromPubkeyResult: EvmGetAddressFromPubkeyResult | null = null,
     evmGetPubkeyFromSignatureResult: EvmGetPubkeyFromSignatureResult | null = null,
-    isAddressEoaResult: IsAddressEoaResult | null = null
+    isAddressEoaResult: IsAddressEoaResult | null = null,
+    chainIdResult: ChainIdResult | null = null
   ) {
     this.addNativeAmountResult = addNativeAmountResult;
     this.addressFromPubKeyResult = addressFromPubKeyResult;
@@ -1202,6 +1217,7 @@ export class RespResult {
     this.evmGetAddressFromPubkeyResult = evmGetAddressFromPubkeyResult;
     this.evmGetPubkeyFromSignatureResult = evmGetPubkeyFromSignatureResult;
     this.isAddressEoaResult = isAddressEoaResult;
+    this.chainIdResult = chainIdResult;
   }
 }
 
diff --git a/massa-proto b/massa-proto
index ff02e85..cb5671f 160000
--- a/massa-proto
+++ b/massa-proto
@@ -1 +1 @@
-Subproject commit ff02e85b149354a5e102f55aef862994488f7bd1
+Subproject commit cb5671fd6499c2f47d13d812fadf029e511b2ab2