diff --git a/lib/core/network/requests.rs b/lib/core/network/requests.rs
index b850c33cf777d83de09507abce60f8f56f7a8710..ca8f40a5100e858a310c18904a167367b657ba56 100644
--- a/lib/core/network/requests.rs
+++ b/lib/core/network/requests.rs
@@ -24,12 +24,12 @@ use dubp_documents::Blockstamp;
 /// Type containing a request addressed to the network module
 pub enum OldNetworkRequest {
     /// Get a current block of a specific node
-    GetCurrent(ModuleReqFullId, NodeFullId),
-    //GetBlock(NodeFullId, u64),
+    GetCurrent(ModuleReqFullId),
+    //GetBlock(u64),
     /// Get a blocks chunk from specified node
-    GetBlocks(ModuleReqFullId, NodeFullId, u32, u32),
+    GetBlocks(ModuleReqFullId, u32, u32),
     /// Get pending wot documents from specified node
-    GetRequirementsPending(ModuleReqFullId, NodeFullId, u32),
+    GetRequirementsPending(ModuleReqFullId, u32),
     /// Obtain the current network consensus
     GetConsensus(ModuleReqFullId),
     /// Getting the heads cache
@@ -42,9 +42,9 @@ impl OldNetworkRequest {
     /// Get request full identitifier
     pub fn get_req_full_id(&self) -> ModuleReqFullId {
         match *self {
-            OldNetworkRequest::GetCurrent(ref req_id, _)
-            | OldNetworkRequest::GetBlocks(ref req_id, _, _, _)
-            | OldNetworkRequest::GetRequirementsPending(ref req_id, _, _)
+            OldNetworkRequest::GetCurrent(ref req_id)
+            | OldNetworkRequest::GetBlocks(ref req_id, _, _)
+            | OldNetworkRequest::GetRequirementsPending(ref req_id, _)
             | OldNetworkRequest::GetConsensus(ref req_id)
             | OldNetworkRequest::GetHeadsCache(ref req_id)
             | OldNetworkRequest::GetEndpoints(ref req_id) => *req_id,
diff --git a/lib/modules/blockchain/blockchain/src/dunp/queries.rs b/lib/modules/blockchain/blockchain/src/dunp/queries.rs
index ca58b32d69283b729ebd5d3487e1f9d3372cc901..cf225352019f916b9c4608d062baf602888bbe8c 100644
--- a/lib/modules/blockchain/blockchain/src/dunp/queries.rs
+++ b/lib/modules/blockchain/blockchain/src/dunp/queries.rs
@@ -45,7 +45,6 @@ pub fn request_chunk(
 ) -> (ModuleReqId, OldNetworkRequest) {
     let req = OldNetworkRequest::GetBlocks(
         ModuleReqFullId(BlockchainModule::name(), req_id),
-        NodeFullId::default(),
         *CHUNK_SIZE,
         from,
     );
diff --git a/lib/modules/blockchain/blockchain/src/lib.rs b/lib/modules/blockchain/blockchain/src/lib.rs
index 6e7e24c93bbbbaae9b290f90c6f2e95eb837d457..81bfe17695f4a8e37eb6eabc203f0800a0d2fa3d 100644
--- a/lib/modules/blockchain/blockchain/src/lib.rs
+++ b/lib/modules/blockchain/blockchain/src/lib.rs
@@ -70,7 +70,6 @@ use durs_message::events::*;
 use durs_message::requests::*;
 use durs_message::responses::*;
 use durs_message::*;
-use durs_network_documents::NodeFullId;
 use durs_wot::data::rusty::RustyWebOfTrust;
 use durs_wot::operations::distance::RustyDistanceCalculator;
 use durs_wot::NodeId;
diff --git a/lib/modules/blockchain/blockchain/src/responses/received.rs b/lib/modules/blockchain/blockchain/src/responses/received.rs
index a4edf39cbd7df772385d6551c0578b2aa92cab17..709fdd1de4dd5aaca35074219fcfc793d11a9c2d 100644
--- a/lib/modules/blockchain/blockchain/src/responses/received.rs
+++ b/lib/modules/blockchain/blockchain/src/responses/received.rs
@@ -33,7 +33,7 @@ pub fn receive_response(
                         }
                     }
                 }
-                OldNetworkRequest::GetBlocks(_, _, _, _) => {
+                OldNetworkRequest::GetBlocks(_, _, _) => {
                     if let NetworkResponse::Chunk(_, _, blocks) = network_response {
                         dunp::receiver::receive_blocks(bc, blocks);
                     }
diff --git a/lib/modules/ws2p-v1-legacy/datas.rs b/lib/modules/ws2p-v1-legacy/datas.rs
index d38f57f588315c576f4f3e5fff540dd023adcd47..89968a51f3c43f48a1a1350b08881efa54a3481d 100644
--- a/lib/modules/ws2p-v1-legacy/datas.rs
+++ b/lib/modules/ws2p-v1-legacy/datas.rs
@@ -297,9 +297,9 @@ impl WS2PModuleDatas {
                 } else {
                     // Connection closed by remote peer
                     self.ws2p_endpoints
-                    .get_mut(&ws2p_full_id)
-                    .expect("Endpoint don't exist !")
-                    .1 = WS2PConnectionState::Close;
+                        .get_mut(&ws2p_full_id)
+                        .expect("Endpoint don't exist !")
+                        .1 = WS2PConnectionState::Close;
                 }
             }
             WS2PConnectionMessagePayload::ValidAckMessage(response, new_con_state) => {
@@ -428,12 +428,12 @@ impl WS2PModuleDatas {
         }
         // Detect timeout requests
         let mut requests_timeout = Vec::new();
-        for &(ref req, ref _ws2p_full_id, ref timestamp) in
+        for &(ref req, ref ws2p_full_id, ref timestamp) in
             self.requests_awaiting_response.clone().values()
         {
             if SystemTime::now().duration_since(*timestamp).unwrap() > Duration::new(20, 0) {
                 requests_timeout.push(req.get_req_full_id());
-                warn!("request timeout : {:?}", req);
+                warn!("request timeout : {:?} (sent to {:?})", req, ws2p_full_id);
             }
         }
         // Delete (and resend) timeout requests
diff --git a/lib/modules/ws2p-v1-legacy/lib.rs b/lib/modules/ws2p-v1-legacy/lib.rs
index 4933771803e8d316aac240398ecb9449d6daa3a6..a501c583bc1b9649db4ebc691e8938c8be96c291 100644
--- a/lib/modules/ws2p-v1-legacy/lib.rs
+++ b/lib/modules/ws2p-v1-legacy/lib.rs
@@ -425,57 +425,47 @@ impl DursModule<DuRsConf, DursMsg> for WS2PModule {
                                     match *old_net_request {
                                         OldNetworkRequest::GetBlocks(
                                             ref req_id,
-                                            ref receiver,
                                             ref count,
                                             ref from,
                                         ) => {
-                                            if *receiver == NodeFullId::default() {
-                                                let mut receiver_index = 0;
-                                                let mut real_receiver = NodeFullId::default();
-                                                for (ws2p_full_id, (_ep, state)) in
-                                                    ws2p_module.ws2p_endpoints.clone()
-                                                {
-                                                    if let WS2PConnectionState::Established = state
-                                                    {
-                                                        if receiver_index == next_receiver {
-                                                            real_receiver = ws2p_full_id;
-                                                            break;
-                                                        }
-                                                        receiver_index += 1;
+                                            let mut receiver_index = 0;
+                                            let mut real_receiver = None;
+                                            for (ws2p_full_id, (_ep, state)) in
+                                                ws2p_module.ws2p_endpoints.clone()
+                                            {
+                                                if let WS2PConnectionState::Established = state {
+                                                    if receiver_index == next_receiver {
+                                                        real_receiver = Some(ws2p_full_id);
+                                                        break;
                                                     }
+                                                    receiver_index += 1;
                                                 }
-                                                if real_receiver == NodeFullId::default() {
-                                                    next_receiver = 0;
-                                                    for (ws2p_full_id, (_ep, state)) in
-                                                        ws2p_module.ws2p_endpoints.clone()
+                                            }
+                                            if real_receiver.is_none() {
+                                                next_receiver = 0;
+                                                for (ws2p_full_id, (_ep, state)) in
+                                                    &ws2p_module.ws2p_endpoints
+                                                {
+                                                    if let WS2PConnectionState::Established = *state
                                                     {
-                                                        if let WS2PConnectionState::Established =
-                                                            state
-                                                        {
-                                                            real_receiver = ws2p_full_id;
-                                                            break;
-                                                        }
+                                                        real_receiver = Some(*ws2p_full_id);
+                                                        break;
                                                     }
-                                                } else {
-                                                    next_receiver += 1;
-                                                }
-                                                if real_receiver != NodeFullId::default() {
-                                                    let _blocks_request_result = ws2p_module
-                                                        .send_request_to_specific_node(
-                                                            &real_receiver,
-                                                            &OldNetworkRequest::GetBlocks(
-                                                                *req_id, *receiver, *count, *from,
-                                                            ),
-                                                        );
                                                 }
                                             } else {
+                                                next_receiver += 1;
+                                            }
+                                            if let Some(real_receiver) = real_receiver {
+                                                debug!("WS2P: send req to: ({:?})", real_receiver);
                                                 let _blocks_request_result = ws2p_module
                                                     .send_request_to_specific_node(
-                                                        &receiver,
+                                                        &real_receiver,
                                                         &OldNetworkRequest::GetBlocks(
-                                                            *req_id, *receiver, *count, *from,
+                                                            *req_id, *count, *from,
                                                         ),
                                                     );
+                                            } else {
+                                                warn!("WS2P: not found peer to send request !");
                                             }
                                         }
                                         OldNetworkRequest::GetEndpoints(ref _request) => {}
@@ -628,13 +618,13 @@ impl DursModule<DuRsConf, DursMsg> for WS2PModule {
                             let req_id =
                                 ModuleReqId(ws2p_module.requests_awaiting_response.len() as u32);
                             let module_id = WS2PModule::name();
+                            debug!("WS2P: send req to: ({:?})", ws2p_full_id);
                             let _current_request_result = ws2p_module
                                 .send_request_to_specific_node(
                                     &ws2p_full_id,
-                                    &OldNetworkRequest::GetCurrent(
-                                        ModuleReqFullId(module_id, req_id),
-                                        ws2p_full_id,
-                                    ),
+                                    &OldNetworkRequest::GetCurrent(ModuleReqFullId(
+                                        module_id, req_id,
+                                    )),
                                 );
                             if ws2p_module.uids_cache.get(&ws2p_full_id.1).is_none() {
                                 ws2p_module.send_dal_request(&BlockchainRequest::UIDs(vec![
@@ -746,7 +736,7 @@ impl DursModule<DuRsConf, DursMsg> for WS2PModule {
                         }
                         WS2PSignal::ReqResponse(req_id, req, recipient_full_id, response) => {
                             match req {
-                                OldNetworkRequest::GetCurrent(ref _req_id, _receiver) => {
+                                OldNetworkRequest::GetCurrent(ref _req_id) => {
                                     info!("WS2PSignal::ReceiveCurrent({}, {:?})", req_id.0, req);
                                     if let Some(block) = parse_json_block(&response) {
                                         ws2p_module.send_network_req_response(
@@ -760,12 +750,7 @@ impl DursModule<DuRsConf, DursMsg> for WS2PModule {
                                         );
                                     }
                                 }
-                                OldNetworkRequest::GetBlocks(
-                                    ref _req_id,
-                                    _node_full_id,
-                                    count,
-                                    from,
-                                ) => {
+                                OldNetworkRequest::GetBlocks(ref _req_id, count, from) => {
                                     info!(
                                         "WS2PSignal::ReceiveChunk({}, {} blocks from {})",
                                         req_id.0, count, from
@@ -785,11 +770,7 @@ impl DursModule<DuRsConf, DursMsg> for WS2PModule {
                                         );
                                     }
                                 }
-                                OldNetworkRequest::GetRequirementsPending(
-                                    _req_id,
-                                    _receiver,
-                                    min_cert,
-                                ) => {
+                                OldNetworkRequest::GetRequirementsPending(_req_id, min_cert) => {
                                     info!(
                                         "WS2PSignal::ReceiveRequirementsPending({}, {})",
                                         req_id.0, min_cert
@@ -1118,12 +1099,8 @@ mod tests {
     #[test]
     fn ws2p_requests() {
         let module_id = WS2PModule::name();
-        let request = OldNetworkRequest::GetBlocks(
-            ModuleReqFullId(module_id, ModuleReqId(58)),
-            NodeFullId::default(),
-            50,
-            0,
-        );
+        let request =
+            OldNetworkRequest::GetBlocks(ModuleReqFullId(module_id, ModuleReqId(58)), 50, 0);
         assert_eq!(
             network_request_to_json(&request),
             json!({
diff --git a/lib/modules/ws2p-v1-legacy/ws2p_requests.rs b/lib/modules/ws2p-v1-legacy/ws2p_requests.rs
index 451e0e0bf97891ccd287dd48f1164d0bc053f81f..7ba0058b69cc05270e25207f0c8283e0d2fd94ec 100644
--- a/lib/modules/ws2p-v1-legacy/ws2p_requests.rs
+++ b/lib/modules/ws2p-v1-legacy/ws2p_requests.rs
@@ -2,10 +2,8 @@ use duniter_network::requests::OldNetworkRequest;
 
 pub fn network_request_to_json(request: &OldNetworkRequest) -> serde_json::Value {
     let (request_id, request_type, request_params) = match *request {
-        OldNetworkRequest::GetCurrent(ref req_full_id, _receiver) => {
-            (req_full_id.1, "CURRENT", json!({}))
-        }
-        OldNetworkRequest::GetBlocks(ref req_full_id, _receiver, count, from_mumber) => (
+        OldNetworkRequest::GetCurrent(ref req_full_id) => (req_full_id.1, "CURRENT", json!({})),
+        OldNetworkRequest::GetBlocks(ref req_full_id, count, from_mumber) => (
             req_full_id.1,
             "BLOCKS_CHUNK",
             json!({
@@ -13,7 +11,7 @@ pub fn network_request_to_json(request: &OldNetworkRequest) -> serde_json::Value
                 "fromNumber": from_mumber
             }),
         ),
-        OldNetworkRequest::GetRequirementsPending(ref req_full_id, _receiver, min_cert) => (
+        OldNetworkRequest::GetRequirementsPending(ref req_full_id, min_cert) => (
             req_full_id.1,
             "WOT_REQUIREMENTS_OF_PENDING",
             json!({ "minCert": min_cert }),