[feat] message: add blockchain req: get current blockstamp

lib/core/message/requests.rs

@@ -39,6 +39,8 @@ pub enum DursReqContent {
 #[derive(Debug, Clone, PartialEq)]
 /// Inter-module Blockchain request for blockchain data
 pub enum BlockchainRequest {
+    /// Current blockstamp
+    CurrentBlockstamp(),
     /// Current block
     CurrentBlock(),
     /// Block by number

lib/core/message/responses.rs

@@ -57,6 +57,8 @@ pub struct PendingIdtyDatas {
 #[derive(Debug, Clone)]
 /// Response to a BlockchainReqBlockchain request
 pub enum BlockchainResponse {
+    /// Current blockstamp
+    CurrentBlockstamp(ModuleReqId, Blockstamp),
     /// Current block
     CurrentBlock(ModuleReqId, Box<BlockDocument>, Blockstamp),
     /// Block by number

lib/modules/blockchain/blockchain/src/requests/received.rs

@@ -27,6 +27,12 @@ pub fn receive_req(
 ) {
     if let DursReqContent::BlockchainRequest(ref blockchain_req) = req_content {
         match *blockchain_req {
+            BlockchainRequest::CurrentBlockstamp() => responses::sent::send_req_response(
+                bc,
+                req_from,
+                req_id,
+                &BlockchainResponse::CurrentBlockstamp(req_id, bc.current_blockstamp),
+            ),
             BlockchainRequest::CurrentBlock() => {
                 debug!("BlockchainModule : receive DALReqBc::CurrentBlock()");