cleanup final

cleanup and PR ready
refactor init tracer and use of tracing_opentelemetry span for async tracing
2025-10-21 13:10:10 +02:00 · 2025-10-20 11:22:42 +02:00 · 2025-10-17 11:27:45 +02:00 · 2025-10-16 13:53:52 +02:00 · 2025-10-14 09:33:54 +02:00 · 2025-10-08 16:14:05 +02:00
572 changed files with 18971 additions and 22146 deletions
@@ -21,7 +21,7 @@ jobs:
    strategy:
      fail-fast: false
      matrix:
-        platform: [ arc-ubuntu-22.04 ]
+        platform: [ arc-linux-latest ]

    runs-on: ${{ matrix.platform }}
    env:
@@ -9,7 +9,7 @@ on:

 jobs:
  wasm:
-    runs-on: arc-ubuntu-22.04
+    runs-on: arc-linux-latest
    env:
      CARGO_TERM_COLOR: always
      RUSTUP_PERMIT_COPY_RENAME: 1
@@ -16,7 +16,7 @@ jobs:
        uses: actions/checkout@v4

      - name: Get version from cargo.toml
-        uses: mikefarah/yq@v4.45.4
+        uses: mikefarah/yq@v4.47.1
        id: get_version
        with:
          cmd: yq -oy '.package.version' ${{ env.WORKING_DIRECTORY }}/Cargo.toml
@@ -16,7 +16,7 @@ jobs:
        uses: actions/checkout@v4

      - name: Get version from cargo.toml
-        uses: mikefarah/yq@v4.45.4
+        uses: mikefarah/yq@v4.47.1
        id: get_version
        with:
          cmd: yq -oy '.package.version' ${{ env.WORKING_DIRECTORY }}/Cargo.toml
@@ -11,7 +11,7 @@ on:

 jobs:
  build:
-    runs-on: arc-ubuntu-22.04
+    runs-on: arc-linux-latest
    env:
      CARGO_TERM_COLOR: always
      RUSTUP_PERMIT_COPY_RENAME: 1
@@ -11,7 +11,7 @@ on:

 jobs:
  wasm:
-    runs-on: arc-ubuntu-22.04
+    runs-on: arc-linux-latest
    env:
      CARGO_TERM_COLOR: always
      RUSTUP_PERMIT_COPY_RENAME: 1
@@ -6,7 +6,7 @@ jobs:
  greeting:
    runs-on: ubuntu-latest
    steps:
-    - uses: actions/first-interaction@v1
+    - uses: actions/first-interaction@v3
      with:
        repo-token: ${{ secrets.GITHUB_TOKEN }}
        issue-message: 'Thank you for raising this issue'
@@ -31,7 +31,7 @@ jobs:
      - name: Check out repository code
        uses: actions/checkout@v4
      - name: Download report from previous job
-        uses: actions/download-artifact@v4
+        uses: actions/download-artifact@v5
        with:
          name: report
          path: .github/workflows/support-files/notifications
@@ -30,13 +30,11 @@ jobs:
      release_date: ${{ fromJSON(steps.create-release.outputs.assets)[0].published_at }}
      client_hash: ${{ steps.binary-hashes.outputs.client_hash }}
      nymvisor_hash: ${{ steps.binary-hashes.outputs.nymvisor_hash }}
-      nymnode_hash: ${{ steps.binary-hashes.outputs.nymnode_hash }}
      socks5_hash: ${{ steps.binary-hashes.outputs.socks5_hash }}
      netreq_hash: ${{ steps.binary-hashes.outputs.netreq_hash }}
      cli_hash: ${{ steps.binary-hashes.outputs.cli_hash }}
      client_version: ${{ steps.binary-versions.outputs.client_version }}
      nymvisor_version: ${{ steps.binary-versions.outputs.nymvisor_version }}
-      nymnode_version: ${{ steps.binary-versions.outputs.nymnode_version }}
      socks5_version: ${{ steps.binary-versions.outputs.socks5_version }}
      netreq_version: ${{ steps.binary-versions.outputs.netreq_version }}
      cli_version: ${{ steps.binary-versions.outputs.cli_version }}
@@ -56,7 +54,7 @@ jobs:
      - name: Install Rust stable
        uses: actions-rs/toolchain@v1
        with:
-          toolchain: 1.86.0
+          toolchain: 1.88.0
          override: true

      - name: Build all binaries
@@ -76,7 +74,6 @@ jobs:
            target/release/nym-network-requester
            target/release/nym-cli
            target/release/nymvisor
-            target/release/nym-node
          retention-days: 30
    
      - id: create-release
@@ -91,7 +88,6 @@ jobs:
            target/release/nym-network-requester
            target/release/nym-cli
            target/release/nymvisor
-            target/release/nym-node

  push-release-data-client:
    if: ${{ (startsWith(github.ref, 'refs/tags/nym-binaries-') && github.event_name == 'release') || github.event_name == 'workflow_dispatch' }}
@@ -25,7 +25,7 @@ jobs:
        uses: actions/checkout@v4

      - name: Install Java
-        uses: actions/setup-java@v4
+        uses: actions/setup-java@v5
        with:
          distribution: "temurin"
          java-version: "17"
@@ -91,7 +91,7 @@ jobs:
      - name: Checkout
        uses: actions/checkout@v4
      - name: Download binary artifact
-        uses: actions/download-artifact@v4
+        uses: actions/download-artifact@v5
        with:
          name: nyms5-apk-arch64
          path: apk
@@ -26,7 +26,7 @@ jobs:
          git config --global user.name "Lawrence Stalder"

      - name: Get version from cargo.toml
-        uses: mikefarah/yq@v4.45.4
+        uses: mikefarah/yq@v4.47.1
        id: get_version
        with:
          cmd: yq -oy '.package.version' ${{ env.WORKING_DIRECTORY }}/nym-credential-proxy/Cargo.toml
@@ -26,7 +26,7 @@ jobs:
          git config --global user.name "Lawrence Stalder"

      - name: Get version from cargo.toml
-        uses: mikefarah/yq@v4.45.4
+        uses: mikefarah/yq@v4.47.1
        id: get_version
        with:
          cmd: yq -oy '.package.version' ${{ env.WORKING_DIRECTORY }}/Cargo.toml
@@ -26,7 +26,7 @@ jobs:
          git config --global user.name "Lawrence Stalder"

      - name: Get version from cargo.toml
-        uses: mikefarah/yq@v4.45.4
+        uses: mikefarah/yq@v4.47.1
        id: get_version
        with:
          cmd: yq -oy '.package.version' ${{ env.WORKING_DIRECTORY }}/nym-network-monitor/Cargo.toml
@@ -34,18 +34,22 @@ jobs:
      - name: Get version from cargo.toml
        id: get_version
        run: |
-          yq -oy '.package.version' ${{ env.WORKING_DIRECTORY }}/Cargo.toml
+          VERSION=$(yq -oy '.package.version' ${{ env.WORKING_DIRECTORY }}/Cargo.toml)
+          echo "result=$VERSION" >> $GITHUB_OUTPUT

      - name: Set GIT_TAG variable
        run: echo "GIT_TAG=${{ env.WORKING_DIRECTORY }}-${{ steps.get_version.outputs.result }}" >> $GITHUB_ENV

-      - name: Set RELEASE_TAG variable
+      - name: Initialise RELEASE_TAG
+        run: echo "RELEASE_TAG=" >> $GITHUB_ENV
+      
+      - name: Set RELEASE_TAG for release
        if: github.event.inputs.release_image == 'true'
        run: echo "RELEASE_TAG=golden-" >> $GITHUB_ENV
-
+      
      - name: Set IMAGE_NAME_AND_TAGS variable
        run: echo "IMAGE_NAME_AND_TAGS=${{ env.CONTAINER_NAME }}:${{ env.RELEASE_TAG }}${{ steps.get_version.outputs.result }}" >> $GITHUB_ENV
-
+        
      - name: New env vars
        run: echo "RELEASE_TAG='$RELEASE_TAG' GIT_TAG='$GIT_TAG' IMAGE_NAME_AND_TAGS='$IMAGE_NAME_AND_TAGS'"        

@@ -26,7 +26,7 @@ jobs:
          git config --global user.name "Lawrence Stalder"

      - name: Get version from cargo.toml
-        uses: mikefarah/yq@v4.45.4
+        uses: mikefarah/yq@v4.47.1
        id: get_version
        with:
          cmd: yq -oy '.package.version' ${{ env.WORKING_DIRECTORY }}/nym-api/Cargo.toml
@@ -26,7 +26,7 @@ jobs:
          git config --global user.name "Lawrence Stalder"

      - name: Get version from cargo.toml
-        uses: mikefarah/yq@v4.45.4
+        uses: mikefarah/yq@v4.47.1
        id: get_version
        with:
          cmd: yq -oy '.package.version' ${{ env.WORKING_DIRECTORY }}/Cargo.toml
@@ -26,7 +26,7 @@ jobs:
          git config --global user.name "Lawrence Stalder"

      - name: Get version from cargo.toml
-        uses: mikefarah/yq@v4.45.4
+        uses: mikefarah/yq@v4.47.1
        id: get_version
        with:
          cmd: yq -oy '.package.version' ${{ env.WORKING_DIRECTORY }}/Cargo.toml
@@ -26,7 +26,7 @@ jobs:
          git config --global user.name "Lawrence Stalder"

      - name: Get version from cargo.toml
-        uses: mikefarah/yq@v4.45.4
+        uses: mikefarah/yq@v4.47.1
        id: get_version
        with:
          cmd: yq -oy '.package.version' ${{ env.WORKING_DIRECTORY }}/Cargo.toml
@@ -26,7 +26,7 @@ jobs:
          git config --global user.name "Lawrence Stalder"

      - name: Get version from cargo.toml
-        uses: mikefarah/yq@v4.45.4
+        uses: mikefarah/yq@v4.47.1
        id: get_version
        with:
          cmd: yq -oy '.package.version' ${{ env.WORKING_DIRECTORY }}/Cargo.toml
@@ -4,6 +4,48 @@ Post 1.0.0 release, the changelog format is based on [Keep a Changelog](https://

 ## [Unreleased]

+## [2025.16-halloumi] (2025-09-16)
+
+- Backport metadata endpoint ([#6010])
+- bugfix: make sure tables are removed in correct order to not trigger FK constraint issue ([#5987])
+- chore: move authenticator into gateway crate ([#5982])
+- Fix the ns api ci workflow ([#5981])
+- Remove freshness check on testrun submit ([#5977])
+- Update sysinfo to the latest ([#5976])
+- bugfix: manually calculate per node work on rewarded set changes ([#5972])
+- fixing the ci for ns agent ([#5965])
+- Feature/testing utils ([#5963])
+- bugfix: fix ci-build for linux (and use updated runner) ([#5958])
+- chore: updated refs to cheddar rev of nym repo ([#5955])
+- http api client adjustment ([#5953])
+- chore: fix rust 1.89 clippy issues ([#5944])
+- Wireguard metadata client library ([#5943])
+- chore: remove unused import ([#5942])
+- feat: introduce additional checks when attempting to send to bounded channels ([#5941])
+- Move credential verifier in peer controller ([#5938])
+- change PK/FK on expiration date signatures tables ([#5934])
+- Wireguard private metadata ([#5915])
+
+[#6010]: https://github.com/nymtech/nym/pull/6010
+[#5987]: https://github.com/nymtech/nym/pull/5987
+[#5982]: https://github.com/nymtech/nym/pull/5982
+[#5981]: https://github.com/nymtech/nym/pull/5981
+[#5977]: https://github.com/nymtech/nym/pull/5977
+[#5976]: https://github.com/nymtech/nym/pull/5976
+[#5972]: https://github.com/nymtech/nym/pull/5972
+[#5965]: https://github.com/nymtech/nym/pull/5965
+[#5963]: https://github.com/nymtech/nym/pull/5963
+[#5958]: https://github.com/nymtech/nym/pull/5958
+[#5955]: https://github.com/nymtech/nym/pull/5955
+[#5953]: https://github.com/nymtech/nym/pull/5953
+[#5944]: https://github.com/nymtech/nym/pull/5944
+[#5943]: https://github.com/nymtech/nym/pull/5943
+[#5942]: https://github.com/nymtech/nym/pull/5942
+[#5941]: https://github.com/nymtech/nym/pull/5941
+[#5938]: https://github.com/nymtech/nym/pull/5938
+[#5934]: https://github.com/nymtech/nym/pull/5934
+[#5915]: https://github.com/nymtech/nym/pull/5915
+
 ## [2025.15-gruyere] (2025-08-20)

 - Migrate strum to 0.27.2 ([#5960])
@@ -43,6 +43,7 @@ members = [
    "common/cosmwasm-smart-contracts/nym-performance-contract",
    "common/cosmwasm-smart-contracts/nym-pool-contract",
    "common/cosmwasm-smart-contracts/vesting-contract",
+    "common/credential-proxy",
    "common/credential-storage",
    "common/credential-utils",
    "common/credential-verification",
@@ -53,12 +54,11 @@ members = [
    "common/ecash-signer-check",
    "common/ecash-signer-check-types",
    "common/ecash-time",
-    "common/execute",
    "common/exit-policy",
    "common/gateway-requests",
    "common/gateway-stats-storage",
    "common/gateway-storage",
-    "common/http-api-client",
+    "common/http-api-client", "common/http-api-client-macro",
    "common/http-api-common",
    "common/inclusion-probability",
    "common/ip-packet-requests",
@@ -96,7 +96,7 @@ members = [
    "common/ticketbooks-merkle",
    "common/topology",
    "common/tun",
-    "common/types",
+    "common/types", "common/upgrade-mode-check",
    "common/verloc",
    "common/wasm/client-core",
    "common/wasm/storage",
@@ -112,10 +112,12 @@ members = [
    "gateway",
    "nym-api",
    "nym-api/nym-api-requests",
+    "nym-authenticator-client",
    "nym-browser-extension/storage",
    "nym-credential-proxy/nym-credential-proxy",
    "nym-credential-proxy/nym-credential-proxy-requests",
    "nym-credential-proxy/vpn-api-lib-wasm",
+    "nym-ip-packet-client",
    "nym-network-monitor",
    "nym-node",
    "nym-node-status-api/nym-node-status-agent",
@@ -123,9 +125,10 @@ members = [
    "nym-node-status-api/nym-node-status-client",
    "nym-node/nym-node-metrics",
    "nym-node/nym-node-requests",
-    "nym-outfox",
+    "nym-outfox", "nym-signers-monitor",
    "nym-statistics-api",
    "nym-validator-rewarder",
+    "nym-wg-gateway-client",
    "nyx-chain-watcher",
    "sdk/ffi/cpp",
    "sdk/ffi/go",
@@ -223,7 +226,7 @@ clap_complete = "4.5"
 clap_complete_fig = "4.5"
 colored = "2.2"
 comfy-table = "7.1.4"
-console = "0.15.11"
+console = "0.16.0"
 console-subscriber = "0.4.1"
 console_error_panic_hook = "0.1"
 const-str = "0.5.6"
@@ -270,11 +273,13 @@ humantime = "2.2.0"
 humantime-serde = "1.1.1"
 hyper = "1.6.0"
 hyper-util = "0.1"
-indicatif = "0.17.11"
+indicatif = "0.18.0"
 inquire = "0.6.2"
+inventory = "0.3.21"
 ip_network = "0.4.1"
 ipnetwork = "0.20"
 itertools = "0.14.0"
+jwt-simple = { version = "0.12.12", default-features = false, features = ["pure-rust"] }
 k256 = "0.13"
 lazy_static = "1.5.0"
 ledger-transport = "0.10.0"
@@ -287,8 +292,11 @@ nix = "0.27.1"
 notify = "5.1.0"
 okapi = "0.7.0"
 once_cell = "1.21.3"
-opentelemetry = "0.19.0"
-opentelemetry-jaeger = "0.18.0"
+opentelemetry = "0.30.0"
+opentelemetry-otlp = "0.30.0"
+opentelemetry-semantic-conventions = "0.30.0"
+opentelemetry_sdk = "0.30.0"
+opentelemetry-stdout = "0.30.0"
 parking_lot = "0.12.3"
 pem = "0.8"
 petgraph = "0.6.5"
@@ -318,6 +326,7 @@ serde_json_path = "0.7.2"
 serde_repr = "0.1"
 serde_with = "3.9.0"
 serde_yaml = "0.9.25"
+serde_plain = "1.0.2"
 sha2 = "0.10.9"
 si-scale = "0.2.3"
 snow = "0.9.6"
@@ -326,14 +335,15 @@ sqlx = "0.8.6"
 strum = "0.27.2"
 strum_macros = "0.27.2"
 subtle-encoding = "0.5"
-syn = "1"
+syn = "2"
 sysinfo = "0.37.0"
 tap = "1.0.1"
 tar = "0.4.44"
+test-with = { version = "0.15.4", default-features = false }
 tempfile = "3.20"
 thiserror = "2.0"
 time = "0.3.41"
-tokio = "1.45"
+tokio = "1.47"
 tokio-postgres = "0.7"
 tokio-stream = "0.1.17"
 tokio-test = "0.4.4"
@@ -344,8 +354,10 @@ toml = "0.8.22"
 tower = "0.5.2"
 tower-http = "0.5.2"
 tracing = "0.1.41"
+tracing-core = "0.1.33"
 tracing-log = "0.2"
-tracing-opentelemetry = "0.19.0"
+tracing-opentelemetry = "0.31.0"
+tracing-serde = "0.2.0"
 tracing-subscriber = "0.3.19"
 tracing-tree = "0.2.2"
 tracing-indicatif = "0.3.9"
@@ -1,6 +1,6 @@
 [package]
 name = "nym-client"
-version = "1.1.61"
+version = "1.1.63"
 authors = ["Dave Hrycyszyn <futurechimp@users.noreply.github.com>", "Jędrzej Stuczyński <andrew@nymtech.net>"]
 description = "Implementation of the Nym Client"
 edition = "2021"
@@ -46,7 +46,6 @@ nym-bandwidth-controller = { path = "../../common/bandwidth-controller" }
 nym-bin-common = { path = "../../common/bin-common", features = [
    "output_format",
    "clap",
-    "basic_tracing",
 ] }
 nym-client-core = { path = "../../common/client-core", features = [
    "fs-credentials-storage",
@@ -11,7 +11,7 @@ use nym_client_core::client::base_client::{
    BaseClientBuilder, ClientInput, ClientOutput, ClientState,
 };
 use nym_sphinx::params::PacketType;
-use nym_task::TaskHandle;
+use nym_task::ShutdownManager;
 use nym_validator_client::QueryHttpRpcNyxdClient;
 use std::error::Error;
 use std::path::PathBuf;
@@ -29,6 +29,8 @@ pub struct SocketClient {

    /// Optional path to a .json file containing standalone network details.
    custom_mixnet: Option<PathBuf>,
+
+    shutdown_manager: ShutdownManager,
 }

 impl SocketClient {
@@ -40,6 +42,7 @@ impl SocketClient {
        SocketClient {
            config,
            custom_mixnet,
+            shutdown_manager: Default::default(),
        }
    }

@@ -49,7 +52,7 @@ impl SocketClient {
        client_output: ClientOutput,
        client_state: ClientState,
        self_address: &Recipient,
-        task_client: nym_task::TaskClient,
+        shutdown_token: nym_task::ShutdownToken,
        packet_type: PacketType,
    ) {
        info!("Starting websocket listener...");
@@ -77,24 +80,24 @@ impl SocketClient {
            shared_lane_queue_lengths,
            reply_controller_sender,
            Some(packet_type),
-            task_client.fork("websocket_handler"),
+            shutdown_token.clone(),
        );

        websocket::Listener::new(
            config.socket.host,
            config.socket.listening_port,
-            task_client.with_suffix("websocket_listener"),
+            shutdown_token.child_token(),
        )
        .start(websocket_handler);
    }

    /// blocking version of `start_socket` method. Will run forever (or until SIGINT is sent)
    pub async fn run_socket_forever(self) -> Result<(), Box<dyn Error + Send + Sync>> {
-        let shutdown = self.start_socket().await?;
+        let mut shutdown = self.start_socket().await?;

-        let res = shutdown.wait_for_shutdown().await;
+        shutdown.run_until_shutdown().await;
        log::info!("Stopping nym-client");
-        res
+        Ok(())
    }

    async fn initialise_storage(&self) -> Result<OnDiskPersistent, ClientError> {
@@ -119,6 +122,7 @@ impl SocketClient {

        let mut base_client =
            BaseClientBuilder::new(self.config().base(), storage, dkg_query_client)
+                .with_shutdown(self.shutdown_manager.shutdown_tracker_owned())
                .with_user_agent(user_agent);

        if let Some(custom_mixnet) = &self.custom_mixnet {
@@ -128,7 +132,7 @@ impl SocketClient {
        Ok(base_client)
    }

-    pub async fn start_socket(self) -> Result<TaskHandle, ClientError> {
+    pub async fn start_socket(self) -> Result<ShutdownManager, ClientError> {
        if !self.config.socket.socket_type.is_websocket() {
            return Err(ClientError::InvalidSocketMode);
        }
@@ -147,13 +151,13 @@ impl SocketClient {
            client_output,
            client_state,
            &self_address,
-            started_client.task_handle.get_handle(),
+            self.shutdown_manager.child_shutdown_token(),
            packet_type,
        );

        info!("Client startup finished!");
        info!("The address of this client is: {self_address}");

-        Ok(started_client.task_handle)
+        Ok(self.shutdown_manager)
    }
 }
@@ -4,7 +4,7 @@
 use std::error::Error;

 use clap::{crate_name, crate_version, Parser};
-use nym_bin_common::logging::{maybe_print_banner, setup_tracing_logger};
+use nym_bin_common::logging::{maybe_print_banner, setup_no_otel_logger};
 use nym_network_defaults::setup_env;

 pub mod client;
@@ -20,7 +20,7 @@ async fn main() -> Result<(), Box<dyn Error + Send + Sync>> {
    if !args.no_banner {
        maybe_print_banner(crate_name!(), crate_version!());
    }
-    setup_tracing_logger();
+    setup_no_otel_logger().expect("failed to initialize logging");

    if let Err(err) = commands::execute(args).await {
        log::error!("{err}");
@@ -19,7 +19,7 @@ use nym_sphinx::receiver::ReconstructedMessage;
 use nym_task::connections::{
    ConnectionCommand, ConnectionCommandSender, ConnectionId, LaneQueueLengths, TransmissionLane,
 };
-use nym_task::TaskClient;
+use nym_task::ShutdownToken;
 use std::time::Duration;
 use tokio::net::TcpStream;
 use tokio::time::Instant;
@@ -44,7 +44,7 @@ pub(crate) struct HandlerBuilder {
    lane_queue_lengths: LaneQueueLengths,
    reply_controller_sender: ReplyControllerSender,
    packet_type: Option<PacketType>,
-    task_client: TaskClient,
+    shutdown_token: ShutdownToken,
 }

 impl HandlerBuilder {
@@ -57,7 +57,7 @@ impl HandlerBuilder {
        lane_queue_lengths: LaneQueueLengths,
        reply_controller_sender: ReplyControllerSender,
        packet_type: Option<PacketType>,
-        task_client: TaskClient,
+        shutdown_token: ShutdownToken,
    ) -> Self {
        Self {
            msg_input,
@@ -67,14 +67,13 @@ impl HandlerBuilder {
            lane_queue_lengths,
            reply_controller_sender,
            packet_type,
-            task_client,
+            shutdown_token,
        }
    }

    // TODO: make sure we only ever have one active handler
    pub fn create_active_handler(&self) -> Handler {
-        let mut task_client = self.task_client.fork("active_handler");
-        task_client.disarm();
+        let shutdown_token = self.shutdown_token.clone();
        Handler {
            msg_input: self.msg_input.clone(),
            client_connection_tx: self.client_connection_tx.clone(),
@@ -85,7 +84,7 @@ impl HandlerBuilder {
            lane_queue_lengths: self.lane_queue_lengths.clone(),
            reply_controller_sender: self.reply_controller_sender.clone(),
            packet_type: self.packet_type,
-            task_client,
+            shutdown_token,
        }
    }
 }
@@ -100,19 +99,14 @@ pub(crate) struct Handler {
    lane_queue_lengths: LaneQueueLengths,
    reply_controller_sender: ReplyControllerSender,
    packet_type: Option<PacketType>,
-    task_client: TaskClient,
+    shutdown_token: ShutdownToken,
 }

 impl Drop for Handler {
    fn drop(&mut self) {
-        if let Err(err) = self
+        let _ = self
            .buffer_requester
-            .unbounded_send(ReceivedBufferMessage::ReceiverDisconnect)
-        {
-            if !self.task_client.is_shutdown_poll() {
-                error!("failed to disconnect the receiver from the buffer: {err}");
-            }
-        }
+            .unbounded_send(ReceivedBufferMessage::ReceiverDisconnect);
    }
 }

@@ -142,7 +136,7 @@ impl Handler {
        {
            Ok(length) => length,
            Err(err) => {
-                if !self.task_client.is_shutdown_poll() {
+                if !self.shutdown_token.is_cancelled() {
                    error!(
                        "Failed to get reply queue length for connection {connection_id}: {err}"
                    );
@@ -190,9 +184,9 @@ impl Handler {
        });

        // the ack control is now responsible for chunking, etc.
-        let input_msg = InputMessage::new_regular(recipient, message, lane, self.packet_type);
+        let input_msg = InputMessage::new_regular(recipient, message, lane, self.packet_type, None);
        if let Err(err) = self.msg_input.send(input_msg).await {
-            if !self.task_client.is_shutdown_poll() {
+            if !self.shutdown_token.is_cancelled() {
                error!("Failed to send message to the input buffer: {err}");
            }
        }
@@ -223,9 +217,9 @@ impl Handler {
        });

        let input_msg =
-            InputMessage::new_anonymous(recipient, message, reply_surbs, lane, self.packet_type);
+            InputMessage::new_anonymous(recipient, message, reply_surbs, lane, self.packet_type, None);
        if let Err(err) = self.msg_input.send(input_msg).await {
-            if !self.task_client.is_shutdown_poll() {
+            if !self.shutdown_token.is_cancelled() {
                error!("Failed to send anonymous message to the input buffer: {err}");
            }
        }
@@ -253,7 +247,7 @@ impl Handler {

        let input_msg = InputMessage::new_reply(recipient_tag, message, lane, self.packet_type);
        if let Err(err) = self.msg_input.send(input_msg).await {
-            if !self.task_client.is_shutdown_poll() {
+            if !self.shutdown_token.is_cancelled() {
                error!("Failed to send reply message to the input buffer: {err}");
            }
        }
@@ -275,7 +269,7 @@ impl Handler {
            .client_connection_tx
            .unbounded_send(ConnectionCommand::Close(connection_id))
        {
-            if !self.task_client.is_shutdown_poll() {
+            if !self.shutdown_token.is_cancelled() {
                error!("Failed to send close connection command: {err}");
            }
        }
@@ -394,11 +388,14 @@ impl Handler {
    }

    async fn listen_for_requests(&mut self, mut msg_receiver: ReconstructedMessagesReceiver) {
-        let mut task_client = self.task_client.fork("select");
-        task_client.disarm();
+        let shutdown_token = self.shutdown_token.clone();

-        while !task_client.is_shutdown() {
+        loop {
            tokio::select! {
+                  _ = shutdown_token.cancelled() => {
+                    log::trace!("Websocket handler: Received shutdown");
+                    break;
+                }
                // we can either get a client request from the websocket
                socket_msg = self.next_websocket_request() => {
                    if socket_msg.is_none() {
@@ -436,9 +433,6 @@ impl Handler {
                        break;
                    }
                }
-                _ = task_client.recv() => {
-                    log::trace!("Websocket handler: Received shutdown");
-                }
            }
        }
        log::debug!("Websocket handler: Exiting");
@@ -464,7 +458,7 @@ impl Handler {
                    reconstructed_sender,
                ))
        {
-            if !self.task_client.is_shutdown_poll() {
+            if !self.shutdown_token.is_cancelled() {
                error!("failed to announce the receiver to the buffer: {err}");
            }
        }
@@ -3,7 +3,7 @@

 use super::handler::HandlerBuilder;
 use log::*;
-use nym_task::TaskClient;
+use nym_task::ShutdownToken;
 use std::net::IpAddr;
 use std::{net::SocketAddr, process, sync::Arc};
 use tokio::io::AsyncWriteExt;
@@ -23,15 +23,15 @@ impl State {
 pub(crate) struct Listener {
    address: SocketAddr,
    state: State,
-    task_client: TaskClient,
+    shutdown_token: ShutdownToken,
 }

 impl Listener {
-    pub(crate) fn new(host: IpAddr, port: u16, task_client: TaskClient) -> Self {
+    pub(crate) fn new(host: IpAddr, port: u16, shutdown_token: ShutdownToken) -> Self {
        Listener {
            address: SocketAddr::new(host, port),
            state: State::AwaitingConnection,
-            task_client,
+            shutdown_token,
        }
    }

@@ -46,11 +46,11 @@ impl Listener {

        let notify = Arc::new(Notify::new());

-        while !self.task_client.is_shutdown() {
+        while !self.shutdown_token.is_cancelled() {
            tokio::select! {
                // When the handler finishes we check if shutdown is signalled
                _ = notify.notified() => {
-                    if self.task_client.is_shutdown() {
+                    if self.shutdown_token.is_cancelled() {
                        log::trace!("Websocket listener: detected shutdown after connection closed");
                        break;
                    }
@@ -59,7 +59,7 @@ impl Listener {
                }
                // ... but when there is no connected client at the time of shutdown being
                // signalled, we handle it here.
-                _ = self.task_client.recv() => {
+                _ = self.shutdown_token.cancelled() => {
                    if !self.state.is_connected() {
                        log::trace!("Not connected: shutting down");
                        break;
@@ -1,6 +1,6 @@
 [package]
 name = "nym-socks5-client"
-version = "1.1.61"
+version = "1.1.63"
 authors = ["Dave Hrycyszyn <futurechimp@users.noreply.github.com>"]
 description = "A SOCKS5 localhost proxy that converts incoming messages to Sphinx and sends them to a Nym address"
 edition = "2021"
@@ -27,7 +27,6 @@ zeroize = { workspace = true }
 nym-bin-common = { path = "../../common/bin-common", features = [
    "output_format",
    "clap",
-    "basic_tracing",
 ] }
 nym-client-core = { path = "../../common/client-core", features = [
    "fs-credentials-storage",
@@ -4,7 +4,7 @@
 use std::error::Error;

 use clap::{crate_name, crate_version, Parser};
-use nym_bin_common::logging::{maybe_print_banner, setup_tracing_logger};
+use nym_bin_common::logging::{maybe_print_banner, setup_no_otel_logger};
 use nym_network_defaults::setup_env;

 mod commands;
@@ -19,7 +19,7 @@ async fn main() -> Result<(), Box<dyn Error + Send + Sync>> {
    if !args.no_banner {
        maybe_print_banner(crate_name!(), crate_version!());
    }
-    setup_tracing_logger();
+    setup_no_otel_logger().expect("failed to initialize logging");

    if let Err(err) = commands::execute(args).await {
        log::error!("{err}");
@@ -13,7 +13,7 @@ use nym_credentials_interface::{
 };
 use nym_ecash_time::Date;
 use nym_validator_client::coconut::all_ecash_api_clients;
-use nym_validator_client::nym_api::EpochId;
+use nym_validator_client::nym_api::{EpochId, NymApiClientExt};
 use nym_validator_client::nyxd::contract_traits::DkgQueryClient;
 use nym_validator_client::EcashApiClient;
 use rand::prelude::SliceRandom;
@@ -8,24 +8,30 @@ license = { workspace = true }
 repository = { workspace = true }

 [dependencies]
+chrono = { workspace = true, optional = true }
+cfg-if = { workspace = true }
 clap = { workspace = true, features = ["derive"], optional = true }
 clap_complete = { workspace = true, optional = true }
 clap_complete_fig = { workspace = true, optional = true }
 const-str = { workspace = true }
-log = { workspace = true }
+opentelemetry = { workspace = true, optional = true }
+opentelemetry-otlp = { workspace = true,features=["metrics", "grpc-tonic", "tls",
+    "tls-webpki-roots"], optional = true }
+opentelemetry-semantic-conventions = { workspace = true, features = ["semconv_experimental"], optional = true }
+opentelemetry-stdout = { workspace = true, features = ["trace", "metrics"], optional = true }
+opentelemetry_sdk = { workspace = true, optional = true }
+rand = { workspace = true, optional = true }
 schemars = { workspace = true, features = ["preserve_order"], optional = true }
 serde = { workspace = true, features = ["derive"] }
 serde_json = { workspace = true, optional = true }
-
-## tracing
-tracing-subscriber = { workspace = true, features = ["env-filter"], optional = true }
-tracing-tree = { workspace = true, optional = true }
-tracing = { workspace = true, optional = true }
-opentelemetry-jaeger = { workspace = true, features = ["rt-tokio", "collector_client", "isahc_collector_client"], optional = true }
+thiserror = { workspace = true }
+tracing = { workspace = true }
+tracing-core = { workspace = true }
 tracing-opentelemetry = { workspace = true, optional = true }
+tracing-serde = { workspace = true }
+tracing-subscriber = { workspace = true, features = ["env-filter", "json"] }
+tracing-tree = { workspace = true }
 utoipa = { workspace = true, optional = true }
-opentelemetry = { workspace = true, features = ["rt-tokio"], optional = true }
-

 [build-dependencies]
 vergen = { workspace = true, features = ["build", "git", "gitcl", "rustc", "cargo"] }
@@ -35,13 +41,17 @@ default = []
 openapi = ["utoipa"]
 output_format = ["serde_json", "dep:clap"]
 bin_info_schema = ["schemars"]
-basic_tracing = ["dep:tracing", "tracing-subscriber"]
-tracing = [
-    "basic_tracing",
-    "tracing-tree",
-    "opentelemetry-jaeger",
+tokio-console = ["otel"]
+otel = [
+    "chrono",
    "tracing-opentelemetry",
    "opentelemetry",
+    "opentelemetry-otlp",
+    "opentelemetry-semantic-conventions",
+    "opentelemetry-stdout",
+    "opentelemetry_sdk",
+    "serde_json",
+    "rand",
 ]
 clap = ["dep:clap", "dep:clap_complete", "dep:clap_complete_fig"]
 models = []
@@ -4,6 +4,9 @@
 pub mod build_information;
 pub mod logging;

+#[cfg(feature = "otel")]
+pub mod opentelemetry;
+
 #[cfg(feature = "clap")]
 pub mod completions;

@@ -0,0 +1,20 @@
+// Copyright 2025 - Nym Technologies SA <contact@nymtech.net>
+// SPDX-License-Identifier: Apache-2.0
+#[cfg(feature = "otel")]
+use opentelemetry_otlp::ExporterBuildError;
+
+#[derive(thiserror::Error, Debug)]
+pub enum TracingError {
+    #[error("tracing logger already initialised")]
+    TracingLoggerAlreadyInitialised,
+
+    #[error("Logging error: {0}")]
+    TracingTryInitError(tracing_subscriber::util::TryInitError),
+
+    #[cfg(feature = "otel")]
+    #[error("{0}")]
+    TracingExporterBuildError(#[from] ExporterBuildError),
+
+    #[error("{0}")]
+    TracingFilterParseError(#[from] tracing_subscriber::filter::ParseError),
+}
@@ -1,19 +1,12 @@
 // Copyright 2022-2023 - Nym Technologies SA <contact@nymtech.net>
 // SPDX-License-Identifier: Apache-2.0

+pub mod error;
+
+use error::TracingError;
 use serde::{Deserialize, Serialize};
 use std::io::IsTerminal;
-
-#[cfg(feature = "tracing")]
-pub use opentelemetry;
-#[cfg(feature = "tracing")]
-pub use opentelemetry_jaeger;
-#[cfg(feature = "tracing")]
-pub use tracing_opentelemetry;
-#[cfg(feature = "tracing")]
-pub use tracing_subscriber;
-#[cfg(feature = "tracing")]
-pub use tracing_tree;
+use tracing_subscriber::{filter::Directive, layer::SubscriberExt, util::SubscriberInitExt};

 #[derive(Debug, Default, Copy, Clone, Deserialize, PartialEq, Eq, Serialize)]
 #[serde(deny_unknown_fields)]
@@ -22,7 +15,6 @@ pub struct LoggingSettings {
 }

 // don't call init so that we could attach additional layers
-#[cfg(feature = "basic_tracing")]
 pub fn build_tracing_logger() -> impl tracing_subscriber::layer::SubscriberExt {
    use tracing_subscriber::prelude::*;

@@ -31,7 +23,6 @@ pub fn build_tracing_logger() -> impl tracing_subscriber::layer::SubscriberExt {
        .with(default_tracing_env_filter())
 }

-#[cfg(feature = "basic_tracing")]
 pub fn default_tracing_env_filter() -> tracing_subscriber::filter::EnvFilter {
    if ::std::env::var("RUST_LOG").is_ok() {
        tracing_subscriber::filter::EnvFilter::from_default_env()
@@ -43,7 +34,6 @@ pub fn default_tracing_env_filter() -> tracing_subscriber::filter::EnvFilter {
    }
 }

-#[cfg(feature = "basic_tracing")]
 pub fn default_tracing_fmt_layer<S, W>(
    writer: W,
 ) -> impl tracing_subscriber::Layer<S> + Sync + Send + 'static
@@ -63,45 +53,47 @@ where
        .with_target(false)
 }

-#[cfg(feature = "basic_tracing")]
-pub fn setup_tracing_logger() {
-    use tracing_subscriber::util::SubscriberInitExt;
-    build_tracing_logger().init()
+/// Creates a tracing filter that sets more granular log levels for specific crates.
+/// This allows for finer control over logging verbosity.
+pub(crate) fn granual_filtered_env() -> Result<tracing_subscriber::filter::EnvFilter, TracingError>
+{
+    fn directive_checked(directive: impl Into<String>) -> Result<Directive, TracingError> {
+        directive.into().parse().map_err(From::from)
+    }
+
+    let mut filter = default_tracing_env_filter();
+
+    // these crates are more granularly filtered
+    let filter_crates = ["defguard_wireguard_rs"];
+    for crate_name in filter_crates {
+        filter = filter.add_directive(directive_checked(format!("{crate_name}=warn"))?);
+    }
+    Ok(filter)
+}
+
+pub fn setup_no_otel_logger() -> Result<(), TracingError> {
+    // Only set up if not already initialized
+    if tracing::dispatcher::has_been_set() {
+        // It shouldn't be - this is really checking that it is torn down between async command executions
+        return Err(TracingError::TracingLoggerAlreadyInitialised);
+    }
+
+    let registry = tracing_subscriber::registry()
+        .with(default_tracing_fmt_layer(std::io::stderr))
+        .with(granual_filtered_env()?);
+
+    registry
+        .try_init()
+        .map_err(|e| TracingError::TracingTryInitError(e))?;
+
+    Ok(())
 }

 // TODO: This has to be a macro, running it as a function does not work for the file_appender for some reason
-#[cfg(feature = "tracing")]
 #[macro_export]
 macro_rules! setup_tracing {
    ($service_name: expr) => {
-        use nym_bin_common::logging::tracing_subscriber::layer::SubscriberExt;
-        use nym_bin_common::logging::tracing_subscriber::util::SubscriberInitExt;
-
-        let registry = nym_bin_common::logging::tracing_subscriber::Registry::default()
-            .with(nym_bin_common::logging::tracing_subscriber::EnvFilter::from_default_env())
-            .with(
-                nym_bin_common::logging::tracing_tree::HierarchicalLayer::new(4)
-                    .with_targets(true)
-                    .with_bracketed_fields(true),
-            );
-
-        let tracer = nym_bin_common::logging::opentelemetry_jaeger::new_collector_pipeline()
-            .with_endpoint("http://44.199.230.10:14268/api/traces")
-            .with_service_name($service_name)
-            .with_isahc()
-            .with_trace_config(
-                nym_bin_common::logging::opentelemetry::sdk::trace::config().with_sampler(
-                    nym_bin_common::logging::opentelemetry::sdk::trace::Sampler::TraceIdRatioBased(
-                        0.1,
-                    ),
-                ),
-            )
-            .install_batch(nym_bin_common::logging::opentelemetry::runtime::Tokio)
-            .expect("Could not init tracer");
-
-        let telemetry = nym_bin_common::logging::tracing_opentelemetry::layer().with_tracer(tracer);
-
-        registry.with(telemetry).init();
+        setup_no_otel_logger()
    };
 }

@@ -0,0 +1,47 @@
+use opentelemetry_sdk::trace::IdGenerator;
+use opentelemetry::trace::{TraceId, SpanId};
+use rand::RngCore;
+
+#[derive(Clone, Debug)]
+pub struct Compact13BytesIdGenerator;
+
+impl IdGenerator for Compact13BytesIdGenerator {
+    fn new_trace_id(&self) -> TraceId {
+        let mut rng = rand::thread_rng();
+        let mut bytes = [0u8; 16];
+
+        // Fill the first 13 bytes with random data
+        rng.fill_bytes(&mut bytes[0..12]);
+        // Set the last 4 bytes to zero
+        bytes[12] = 0;
+        bytes[13] = 0;
+        bytes[14] = 0;
+        bytes[15] = 0;
+
+        TraceId::from_bytes(bytes)
+    }
+
+    fn new_span_id(&self) -> SpanId {
+        let mut rng = rand::thread_rng();
+        let mut bytes = [0u8; 8];
+        rng.fill_bytes(&mut bytes);
+        
+        SpanId::from_bytes(bytes)
+    }
+}
+
+pub fn compress_trace_id(trace_id: &TraceId) -> [u8; 12] {
+    let bytes = trace_id.to_bytes();
+
+    let mut compressed = [0u8; 12];
+    compressed.copy_from_slice(&bytes[0..12]);
+
+    compressed
+}
+
+pub fn decompress_trace_id(compressed: &[u8; 12]) -> [u8; 16] {
+    let mut bytes = [0u8; 16];
+    bytes[0..12].copy_from_slice(compressed);
+    bytes[12..].copy_from_slice(&[0u8; 4]);
+    bytes
+}
@@ -0,0 +1,156 @@
+use opentelemetry::{Context, TraceFlags};
+use opentelemetry::propagation::{Injector, Extractor, TextMapPropagator};
+use opentelemetry::trace::{SpanContext, TraceContextExt, TraceId};
+use opentelemetry_sdk::{propagation::TraceContextPropagator, trace::IdGenerator};
+use tracing_opentelemetry::OpenTelemetrySpanExt;
+use std::collections::HashMap;
+use std::fmt::Display;
+use tracing::instrument;
+
+/// Make a Carrier for context propagation
+pub struct ContextCarrier {
+    data: HashMap<String, String>,
+}
+
+impl ContextCarrier {
+    pub fn new_empty() -> Self {
+        ContextCarrier {
+            data: HashMap::new(),
+        }
+    }
+
+    pub fn new_with_data(data: HashMap<String, String>) -> Self {
+        if data.is_empty() {
+            return ContextCarrier::new_empty();
+        }
+        
+        ContextCarrier { data }
+    }
+
+    pub fn new_with_current_context(context: Context) -> Self {
+        let mut carrier = ContextCarrier::new_empty();
+        let propagator = TraceContextPropagator::new();
+        propagator.inject_context(&context, &mut carrier);
+        carrier
+    }
+
+    pub fn iter(&self) -> impl Iterator<Item = (&String, &String)> {
+        self.data.iter()
+    }
+
+    pub fn from_map(data: HashMap<String, String>) -> Self {
+        ContextCarrier { data }
+    }
+
+    pub fn into_map(self) -> HashMap<String, String> {
+        self.data
+    }
+
+    pub fn extract_trace_id(&self) -> Option<TraceId> {
+        self.get("traceparent").and_then(|tp| {
+            let parts: Vec<&str> = tp.split('-').collect();
+            if parts.len() == 4 {
+                TraceId::from_hex(parts[1]).ok()
+            } else {
+                None
+            }
+        })
+    }
+
+    pub fn extract_trace_id_into_bytes(&self) -> Option<[u8; 16]> {
+        self.extract_trace_id().map(|id| id.to_bytes())
+    }
+
+    pub fn extract_traceparent(&self) -> Option<String> {
+        self.get("traceparent").map(|s| s.to_string())
+    }
+}
+
+impl Injector for ContextCarrier {
+    fn set(&mut self, key: &str, value: String) {
+        self.data.insert(key.to_string(), value);
+    }
+}
+
+impl Extractor for ContextCarrier {
+    fn get(&self, key: &str) -> Option<&str> {
+        self.data.get(key).map(|s| s.as_str())
+    }
+
+    fn keys(&self) -> Vec<&str> {
+        self.data.keys().map(|k| k.as_str()).collect()
+    }
+}
+
+impl Display for ContextCarrier {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        write!(f, "{:?}", self.data)
+    }
+}
+
+pub struct ManualContextPropagator {
+    pub root_span: tracing::Span,
+    pub trace_id: TraceId,
+}
+
+impl ManualContextPropagator {
+    #[instrument(skip_all, level = "debug")]
+    pub fn new(name: &str, context: HashMap<String, String>) -> Self {
+        let carrier = ContextCarrier::new_with_data(context);
+        let trace_id = match carrier.extract_trace_id() {
+            Some(id) => id,
+            None => Context::current().span().span_context().trace_id(),
+        };
+
+        let root_span_builder = new_span_context_with_id(trace_id.clone());
+
+        let root_span = tracing::info_span!("trace_root", name = %name, trace_id = %trace_id);
+        root_span.set_parent(root_span_builder);
+
+        ManualContextPropagator {
+            root_span,
+            trace_id,
+        }
+    }
+
+    #[instrument(skip_all, level = "debug")]
+    pub fn new_from_tid(name: &str, trace_id: TraceId) -> Self {
+        let root_span_builder = new_span_context_with_id(trace_id.clone());
+
+        let root_span = tracing::info_span!("trace_root", name = %name, trace_id = %trace_id);
+        root_span.set_parent(root_span_builder);
+
+        ManualContextPropagator {
+            root_span,
+            trace_id,
+        }
+    }
+
+    pub fn root_span(&self) -> &tracing::Span {
+        &self.root_span
+    }
+
+}
+
+#[instrument(skip_all, level = "debug")]
+pub fn new_span_context_with_id(trace_id: TraceId) -> Context {
+    let id_gen = opentelemetry_sdk::trace::RandomIdGenerator::default();
+    let span_id = id_gen.new_span_id();
+    let span_context = SpanContext::new(
+        trace_id,
+        span_id,
+        TraceFlags::SAMPLED,
+        true,
+        Default::default(),
+    );
+
+    Context::current().with_remote_span_context(span_context)
+}
+
+#[instrument(skip_all, level = "debug")]
+pub fn extract_trace_id_from_tracing_cx() -> TraceId {
+    let cx = tracing::Span::current().context();
+    let binding = cx.span();
+    let trace_id = binding.span_context().trace_id();
+    trace_id
+}
@@ -0,0 +1,308 @@
+pub mod context;
+pub mod compact_id_generator;
+mod trace_id_format;
+
+use tracing::{info, Level};
+use tracing_subscriber::filter::Directive;
+use tracing_subscriber::layer::SubscriberExt;
+use tracing_subscriber::util::SubscriberInitExt;
+use tracing_subscriber::fmt;
+
+use crate::logging::default_tracing_env_filter;
+use crate::logging::error::TracingError;
+use crate::opentelemetry::compact_id_generator::Compact13BytesIdGenerator;
+use opentelemetry::trace::TracerProvider;
+use opentelemetry::{global, KeyValue};
+use opentelemetry_otlp::tonic_types::metadata::MetadataMap;
+use opentelemetry_otlp::tonic_types::transport::ClientTlsConfig;
+use opentelemetry_otlp::{WithExportConfig, WithTonicConfig};
+use opentelemetry_sdk::metrics::{MeterProviderBuilder, PeriodicReader, SdkMeterProvider};
+use opentelemetry_sdk::trace::SdkTracerProvider;
+use opentelemetry_sdk::{trace::Sampler, Resource};
+use opentelemetry_semantic_conventions::resource::{DEPLOYMENT_ENVIRONMENT_NAME, SERVICE_VERSION};
+use opentelemetry_semantic_conventions::SCHEMA_URL;
+use tracing_opentelemetry::{MetricsLayer, OpenTelemetryLayer};
+use tracing_subscriber::fmt::format::FmtSpan;
+
+pub struct TracerProviderGuard(Option<SdkTracerProvider>);
+
+impl Drop for TracerProviderGuard {
+    fn drop(&mut self) {
+        if let Some(tracer_provider) = self.0.take() {
+            // Ensure all spans are flushed before exit
+            if let Err(e) = tracer_provider.shutdown() {
+                eprintln!("Error shutting down tracer provider: {:?}", e);
+            }
+        }
+    }
+}
+
+pub(crate) fn granual_filtered_env() -> Result<tracing_subscriber::filter::EnvFilter, TracingError>
+{
+    fn directive_checked(directive: impl Into<String>) -> Result<Directive, TracingError> {
+        directive.into().parse().map_err(From::from)
+    }
+
+    let mut filter = default_tracing_env_filter();
+
+    // these crates are more granularly filtered
+    let filter_crates = ["defguard_wireguard_rs"];
+    for crate_name in filter_crates {
+        filter = filter.add_directive(directive_checked(format!("{crate_name}=warn"))?);
+    }
+    Ok(filter)
+}
+
+pub fn setup_tracing_logger(service_name: String) -> Result<TracerProviderGuard, TracingError> {
+    if tracing::dispatcher::has_been_set() {
+        // It shouldn't be - this is really checking that it is torn down between async command executions
+        return Err(TracingError::TracingLoggerAlreadyInitialised);
+    }
+
+    // define ingestion points
+    let endpoint = std::env::var("SIGNOZ_ENDPOINT").expect("SIGNOZ_ENDPOINT not set");
+    let key = std::env::var("SIGNOZ_INGESTION_KEY").expect("SIGNOZ_INGESTION_KEY not set");
+    let mut metadata = MetadataMap::new();
+    metadata.insert(
+        "signoz-ingestion-key",
+        key.parse().expect("Could not parse signoz ingestion key"),
+    );
+
+    // Build resources
+    let resource = build_resource(&service_name);
+
+    // Initialize tracer and meter providers
+    let tracer_provider = init_tracer_provider(&endpoint, metadata.clone(), resource.clone())?;
+    let meter_provider = init_meter_provider(&endpoint, metadata.clone(), resource.clone())?;
+
+    // Bridge tracing and opentelemetry
+    let tracer = tracer_provider.tracer("otel-subscriber");
+    let fmt_layer = fmt::layer()
+        .json()
+        .with_writer(std::io::stderr)
+        .with_span_events(FmtSpan::NEW | FmtSpan::CLOSE)
+        .with_span_list(false)
+        .with_current_span(true)
+        .event_format(trace_id_format::TraceIdFormat);
+
+    let registry = tracing_subscriber::registry()
+        .with(fmt_layer)
+        .with(granual_filtered_env()?)
+        .with(tracing_subscriber::filter::LevelFilter::from_level(Level::INFO))
+        .with(MetricsLayer::new(meter_provider.clone()))
+        .with(OpenTelemetryLayer::new(tracer));
+
+    registry.try_init().map_err(TracingError::TracingTryInitError)?;
+
+    global::set_tracer_provider(tracer_provider.clone());
+    global::set_meter_provider(meter_provider.clone());
+
+    info!("Tracing initialized with service name: {}", service_name);
+
+    Ok(TracerProviderGuard(Some(tracer_provider)))
+}
+
+fn build_resource(service_name: &str) -> Resource {
+    Resource::builder()
+        .with_service_name(service_name.to_string())
+        .with_schema_url(
+            [
+                KeyValue::new(SERVICE_VERSION, env!("CARGO_PKG_VERSION")),
+                KeyValue::new(DEPLOYMENT_ENVIRONMENT_NAME, "develop"),
+            ],
+            SCHEMA_URL,
+        )
+        .build()
+}
+
+fn init_tracer_provider(
+    endpoint: &str,
+    metadata: MetadataMap,
+    resource: Resource,
+) -> Result<SdkTracerProvider, TracingError> {
+    let mut exporter_builder = opentelemetry_otlp::SpanExporter::builder()
+        .with_tonic()
+        .with_metadata(metadata)
+        .with_endpoint(endpoint);
+
+    if endpoint.starts_with("https://") {
+        exporter_builder =
+            exporter_builder.with_tls_config(ClientTlsConfig::new().with_enabled_roots());
+    }
+
+    let exporter = exporter_builder.build()?;
+
+    let tracer = SdkTracerProvider::builder()
+        .with_sampler(Sampler::ParentBased(Box::new(Sampler::TraceIdRatioBased(
+            1.0,
+        ))))
+        .with_id_generator(Compact13BytesIdGenerator)
+        .with_resource(resource)
+        .with_batch_exporter(exporter)
+        .build();
+
+    global::set_tracer_provider(tracer.clone());
+    Ok(tracer)
+}
+
+fn init_meter_provider(
+    endpoint: &str,
+    metadata: MetadataMap,
+    resource: Resource,
+) -> Result<SdkMeterProvider, TracingError> {
+    let mut exporter_builder = opentelemetry_otlp::MetricExporter::builder()
+        .with_tonic()
+        .with_metadata(metadata)
+        .with_endpoint(endpoint)
+        .with_temporality(opentelemetry_sdk::metrics::Temporality::default());
+
+    if endpoint.starts_with("https://") {
+        exporter_builder = exporter_builder.with_tls_config(ClientTlsConfig::new().with_enabled_roots());
+    }
+
+    let exporter = exporter_builder.build()?;
+
+    let reader = PeriodicReader::builder(exporter)
+        .with_interval(std::time::Duration::from_secs(30))
+        .build();
+
+    let stdout_reader =
+        PeriodicReader::builder(opentelemetry_stdout::MetricExporter::default()).build();
+
+    let meter_provider = MeterProviderBuilder::default()
+        .with_resource(resource)
+        .with_reader(reader)
+        .with_reader(stdout_reader)
+        .build();
+
+    global::set_meter_provider(meter_provider.clone());
+
+    Ok(meter_provider)
+}
+
+// pub fn setup_tracing_logger(service_name: String) -> Result<(), TracingError> {
+//     if tracing::dispatcher::has_been_set() {
+//         // It shouldn't be - this is really checking that it is torn down between async command executions
+//         return Err(TracingError::TracingLoggerAlreadyInitialised);
+//     }
+
+//     let key =
+//         std::env::var("SIGNOZ_INGESTION_KEY".to_string()).expect("SIGNOZ_INGESTION_KEY not set");
+//     let mut metadata = MetadataMap::new();
+//     metadata.insert(
+//         "signoz-ingestion-key",
+//         key.parse().expect("Could not parse signoz ingestion key"),
+//     );
+
+//     let tracer_provider = init_tracer_provider(metadata.clone(), service_name.clone())?;
+//     let meter_provider = init_meter_provider(metadata.clone(), service_name.clone())?;
+//     let tracer = tracer_provider.tracer("tracing-otel-subscriber");
+//     let fmt_layer = fmt::layer()
+//         .json()
+//         .with_writer(std::io::stderr)
+//         .with_span_events(FmtSpan::NEW | FmtSpan::CLOSE)
+//         .with_span_list(false)
+//         .with_current_span(true)
+//         .event_format(trace_id_format::TraceIdFormat);
+
+//     cfg_if::cfg_if! {if #[cfg(feature = "tokio-console")] {
+//         // instrument tokio console subscriber needs RUSTFLAGS="--cfg tokio_unstable" at build time
+//         let console_layer = console_subscriber::spawn();
+
+//         tracing_subscriber::registry()
+//             .with(console_layer)
+//             .with(fmt_layer)
+//             .with(granual_filtered_env()?)
+//             .with(tracing_subscriber::filter::LevelFilter::from_level(Level::INFO))
+//             .with(MetricsLayer::new(meter_provider))
+//             .with(OpenTelemetryLayer::new(tracer))
+//             .try_init()
+//             .map_err(|e| TracingError::TracingTryInitError(e))?;
+//     } else {
+//         tracing_subscriber::registry()
+//             .with(fmt_layer)
+//             .with(granual_filtered_env()?)
+//             .with(tracing_subscriber::filter::LevelFilter::from_level(Level::INFO))
+//             .with(MetricsLayer::new(meter_provider))
+//             .with(OpenTelemetryLayer::new(tracer))
+//             .try_init()
+//             .map_err(|e| TracingError::TracingTryInitError(e))?;
+//     }}
+
+//     Ok(())
+// }
+
+// fn resource(service_name: String) -> Resource {
+//     Resource::builder()
+//         .with_service_name(service_name)
+//         .with_schema_url(
+//             [
+//                 KeyValue::new(SERVICE_VERSION, env!("CARGO_PKG_VERSION")),
+//                 KeyValue::new(DEPLOYMENT_ENVIRONMENT_NAME, "develop"),
+//             ],
+//             SCHEMA_URL,
+//         )
+//         .build()
+// }
+
+// fn init_tracer_provider(metadata: MetadataMap, service_name: String) -> Result<SdkTracerProvider, TracingError> {
+//     let endpoint = std::env::var("SIGNOZ_ENDPOINT".to_string()).expect("SIGNOZ_ENDPOINT not set");
+//     info!("SIGNOZ_ENDPOINT = {}", endpoint);
+
+//     let mut exporter_builder = opentelemetry_otlp::SpanExporter::builder()
+//         .with_tonic()
+//         .with_metadata(metadata)
+//         .with_endpoint(&endpoint);
+
+//     if endpoint.starts_with("https://") {
+//         exporter_builder =
+//             exporter_builder.with_tls_config(ClientTlsConfig::new().with_enabled_roots());
+//     }
+
+//     let exporter = exporter_builder.build()?;
+
+//     let tracer = SdkTracerProvider::builder()
+//         .with_sampler(Sampler::ParentBased(Box::new(Sampler::TraceIdRatioBased(
+//             1.0,
+//         ))))
+//         .with_id_generator(Compact13BytesIdGenerator)
+//         .with_resource(resource(service_name))
+//         .with_batch_exporter(exporter)
+//         .build();
+
+//     global::set_tracer_provider(tracer.clone());
+//     Ok(tracer)
+// }
+
+// fn init_meter_provider(metadata: MetadataMap, service_name: String) -> Result<SdkMeterProvider, TracingError> {
+//     let endpoint = std::env::var("SIGNOZ_ENDPOINT".to_string()).expect("SIGNOZ_ENDPOINT not set");
+
+//     let mut exporter_builder = opentelemetry_otlp::MetricExporter::builder()
+//         .with_tonic()
+//         .with_metadata(metadata)
+//         .with_endpoint(&endpoint)
+//         .with_temporality(opentelemetry_sdk::metrics::Temporality::default());
+
+//     if endpoint.starts_with("https://") {
+//         exporter_builder = exporter_builder.with_tls_config(ClientTlsConfig::new().with_enabled_roots());
+//     }
+
+//     let exporter = exporter_builder.build()?;
+
+//     let reader = PeriodicReader::builder(exporter)
+//         .with_interval(std::time::Duration::from_secs(30))
+//         .build();
+
+//     let stdout_reader =
+//         PeriodicReader::builder(opentelemetry_stdout::MetricExporter::default()).build();
+
+//     let meter_provider = MeterProviderBuilder::default()
+//         .with_resource(resource(service_name))
+//         .with_reader(reader)
+//         .with_reader(stdout_reader)
+//         .build();
+
+//     global::set_meter_provider(meter_provider.clone());
+
+//     Ok(meter_provider)
+// }
@@ -0,0 +1,88 @@
+use chrono::Utc;
+use opentelemetry::trace::TraceContextExt;
+use opentelemetry::{SpanId, TraceId};
+use serde::ser::{SerializeMap, Serializer as _};
+use std::io;
+use tracing::{Event, Subscriber};
+use tracing_opentelemetry::OpenTelemetrySpanExt;
+use tracing_serde::fields::AsMap;
+use tracing_serde::AsSerde;
+use tracing_subscriber::fmt::format::Writer;
+use tracing_subscriber::fmt::{FmtContext, FormatEvent, FormatFields};
+use tracing_subscriber::registry::LookupSpan;
+
+pub struct WriteAdaptor<'a> {
+    fmt_write: &'a mut dyn std::fmt::Write,
+}
+
+impl<'a> WriteAdaptor<'a> {
+    pub fn new(fmt_write: &'a mut dyn std::fmt::Write) -> Self {
+        Self { fmt_write }
+    }
+}
+
+impl<'a> io::Write for WriteAdaptor<'a> {
+    fn write(&mut self, buf: &[u8]) -> io::Result<usize> {
+        let s =
+            std::str::from_utf8(buf).map_err(|e| io::Error::new(io::ErrorKind::InvalidData, e))?;
+
+        self.fmt_write
+            .write_str(s)
+            .map_err(|e| io::Error::new(io::ErrorKind::Other, e))?;
+
+        Ok(s.as_bytes().len())
+    }
+
+    fn flush(&mut self) -> io::Result<()> {
+        Ok(())
+    }
+}
+
+pub struct TraceIdFormat;
+
+impl<S, N> FormatEvent<S, N> for TraceIdFormat
+where
+    S: Subscriber + for<'lookup> LookupSpan<'lookup>,
+    N: for<'writer> FormatFields<'writer> + 'static,
+{
+    fn format_event(
+        &self,
+        _ctx: &FmtContext<'_, S, N>,
+        mut writer: Writer<'_>,
+        event: &Event<'_>,
+    ) -> std::fmt::Result
+    where
+        S: Subscriber + for<'a> LookupSpan<'a>,
+    {
+        let meta = event.metadata();
+
+        let mut visit = || {
+            let mut serializer = serde_json::Serializer::new(WriteAdaptor::new(&mut writer));
+            let mut serializer = serializer.serialize_map(None)?;
+            serializer.serialize_entry("timestamp", &Utc::now().to_rfc3339())?;
+            serializer.serialize_entry("level", &meta.level().as_serde())?;
+            serializer.serialize_entry("fields", &event.field_map())?;
+            serializer.serialize_entry("target", meta.target())?;
+
+            let current_span = tracing::Span::current();
+            let context = current_span.context();
+            let span_ref = context.span();
+            let span_context = span_ref.span_context();
+
+            let trace_id = span_context.trace_id();
+            if trace_id != TraceId::INVALID {
+                serializer.serialize_entry("trace_id", &trace_id.to_string())?;
+
+                let span_id = span_context.span_id();
+                if span_id != SpanId::INVALID {
+                    serializer.serialize_entry("span_id", &span_id.to_string())?;
+                }
+            }
+
+            serializer.end()
+        };
+
+        visit().map_err(|_| std::fmt::Error)?;
+        writeln!(writer)
+    }
+}
@@ -53,6 +53,7 @@ nym-client-core-config-types = { path = "./config-types", features = [
 nym-client-core-surb-storage = { path = "./surb-storage" }
 nym-client-core-gateways-storage = { path = "./gateways-storage" }
 nym-ecash-time = { path = "../ecash-time" }
+nym-mixnet-contract-common = { path = "../cosmwasm-smart-contracts/mixnet-contract" }

 [target."cfg(not(target_arch = \"wasm32\"))".dependencies]
 nym-mixnet-client = { path = "../client-libs/mixnet-client", default-features = false }
@@ -122,6 +123,7 @@ cli = ["clap", "comfy-table"]
 fs-credentials-storage = ["nym-credential-storage/persistent-storage"]
 fs-surb-storage = ["nym-client-core-surb-storage/fs-surb-storage"]
 fs-gateways-storage = ["nym-client-core-gateways-storage/fs-gateways-storage"]
+otel = ["nym-sphinx/otel"]
 wasm = ["nym-gateway-client/wasm"]
 metrics-server = []

@@ -27,13 +27,13 @@ use crate::client::topology_control::nym_api_provider::NymApiTopologyProvider;
 use crate::client::topology_control::{
    TopologyAccessor, TopologyRefresher, TopologyRefresherConfig,
 };
+use crate::config;
 use crate::config::{Config, DebugConfig};
 use crate::error::ClientCoreError;
 use crate::init::{
    setup_gateway,
    types::{GatewaySetup, InitialisationResult},
 };
-use crate::{config, spawn_future};
 use futures::channel::mpsc;
 use nym_bandwidth_controller::BandwidthController;
 use nym_client_core_config_types::{ForgetMe, RememberMe};
@@ -48,16 +48,15 @@ use nym_gateway_client::{
 use nym_sphinx::acknowledgements::AckKey;
 use nym_sphinx::addressing::clients::Recipient;
 use nym_sphinx::addressing::nodes::NodeIdentity;
-use nym_sphinx::params::PacketType;
 use nym_sphinx::receiver::{ReconstructedMessage, SphinxMessageReceiver};
 use nym_statistics_common::clients::ClientStatsSender;
 use nym_statistics_common::generate_client_stats_id;
 use nym_task::connections::{ConnectionCommandReceiver, ConnectionCommandSender, LaneQueueLengths};
-use nym_task::{TaskClient, TaskHandle};
+use nym_task::ShutdownTracker;
 use nym_topology::provider_trait::TopologyProvider;
 use nym_topology::HardcodedTopologyProvider;
 use nym_validator_client::nym_api::NymApiClientExt;
-use nym_validator_client::{nyxd::contract_traits::DkgQueryClient, NymApiClient, UserAgent};
+use nym_validator_client::{nyxd::contract_traits::DkgQueryClient, UserAgent};
 use rand::prelude::SliceRandom;
 use rand::rngs::OsRng;
 use rand::thread_rng;
@@ -95,12 +94,12 @@ impl ClientInput {
    }
 }

-#[derive(Clone)]
 pub struct ClientOutput {
    pub received_buffer_request_sender: ReceivedBufferRequestSender,
 }

 impl ClientOutput {
+    #[instrument(name = "ClientOutput::register_receiver", skip_all)]
    pub fn register_receiver(
        &mut self,
    ) -> Result<mpsc::UnboundedReceiver<Vec<ReconstructedMessage>>, ClientCoreError> {
@@ -195,7 +194,7 @@ pub struct BaseClientBuilder<C, S: MixnetClientStorage> {
    wait_for_gateway: bool,
    custom_topology_provider: Option<Box<dyn TopologyProvider + Send + Sync>>,
    custom_gateway_transceiver: Option<Box<dyn GatewayTransceiver + Send>>,
-    shutdown: Option<TaskClient>,
+    shutdown: Option<ShutdownTracker>,
    user_agent: Option<UserAgent>,

    setup_method: GatewaySetup,
@@ -281,7 +280,7 @@ where
    }

    #[must_use]
-    pub fn with_shutdown(mut self, shutdown: TaskClient) -> Self {
+    pub fn with_shutdown(mut self, shutdown: ShutdownTracker) -> Self {
        self.shutdown = Some(shutdown);
        self
    }
@@ -325,11 +324,11 @@ where
        topology_accessor: TopologyAccessor,
        mix_tx: BatchMixMessageSender,
        stats_tx: ClientStatsSender,
-        task_client: TaskClient,
+        shutdown_tracker: &ShutdownTracker,
    ) {
        info!("Starting loop cover traffic stream...");

-        let stream = LoopCoverTrafficStream::new(
+        let mut stream = LoopCoverTrafficStream::new(
            ack_key,
            debug_config.acknowledgements.average_ack_delay,
            mix_tx,
@@ -338,10 +337,9 @@ where
            debug_config.traffic,
            debug_config.cover_traffic,
            stats_tx,
-            task_client,
        );
-
-        stream.start();
+        shutdown_tracker
+            .try_spawn_named_with_shutdown(async move { stream.run().await }, "CoverTrafficStream");
    }

    #[allow(clippy::too_many_arguments)]
@@ -357,13 +355,12 @@ where
        reply_controller_receiver: ReplyControllerReceiver,
        lane_queue_lengths: LaneQueueLengths,
        client_connection_rx: ConnectionCommandReceiver,
-        task_client: TaskClient,
-        packet_type: PacketType,
        stats_tx: ClientStatsSender,
+        shutdown_tracker: &ShutdownTracker,
    ) {
        info!("Starting real traffic stream...");

-        RealMessagesController::new(
+        let real_messages_controller = RealMessagesController::new(
            controller_config,
            key_rotation_config,
            ack_receiver,
@@ -376,37 +373,101 @@ where
            lane_queue_lengths,
            client_connection_rx,
            stats_tx,
-            task_client,
-        )
-        .start(packet_type);
+            shutdown_tracker.clone_shutdown_token(),
+        );
+
+        // break out all the subtasks
+        let (mut out_queue_control, mut reply_controller, ack_controller) =
+            real_messages_controller.into_tasks();
+        let (
+            mut ack_listener,
+            mut input_listener,
+            mut retransmission_listener,
+            mut sent_notification_listener,
+            mut ack_action_controller,
+        ) = ack_controller.into_tasks();
+
+        shutdown_tracker.try_spawn_named(
+            async move { out_queue_control.run().await },
+            "RealMessagesController::OutQueueControl",
+        );
+
+        let shutdown_token = shutdown_tracker.clone_shutdown_token();
+        shutdown_tracker.try_spawn_named(
+            async move { reply_controller.run(shutdown_token).await },
+            "RealMessagesController::ReplyController",
+        );
+
+        let shutdown_token = shutdown_tracker.clone_shutdown_token();
+        shutdown_tracker.try_spawn_named(
+            async move { ack_listener.run(shutdown_token).await },
+            "AcknowledgementController::AcknowledgementListener",
+        );
+
+        let shutdown_token = shutdown_tracker.clone_shutdown_token();
+        shutdown_tracker.try_spawn_named(
+            async move { input_listener.run(shutdown_token).await },
+            "AcknowledgementController::InputMessageListener",
+        );
+
+        let shutdown_token = shutdown_tracker.clone_shutdown_token();
+        shutdown_tracker.try_spawn_named(
+            async move { retransmission_listener.run(shutdown_token).await },
+            "AcknowledgementController::RetransmissionRequestListener",
+        );
+
+        shutdown_tracker.try_spawn_named_with_shutdown(
+            async move {
+                sent_notification_listener.run().await;
+            },
+            "AcknowledgementController::SentNotificationListener",
+        );
+
+        let shutdown_token = shutdown_tracker.clone_shutdown_token();
+        shutdown_tracker.try_spawn_named(
+            async move { ack_action_controller.run(shutdown_token).await },
+            "AcknowledgementController::ActionController",
+        );
+
+        // .start(packet_type);
    }

    // buffer controlling all messages fetched from provider
    // required so that other components would be able to use them (say the websocket)
+    #[instrument(skip_all)]
    fn start_received_messages_buffer_controller(
        local_encryption_keypair: Arc<x25519::KeyPair>,
        query_receiver: ReceivedBufferRequestReceiver,
        mixnet_receiver: MixnetMessageReceiver,
        reply_key_storage: SentReplyKeys,
        reply_controller_sender: ReplyControllerSender,
-        shutdown: TaskClient,
        metrics_reporter: ClientStatsSender,
+        shutdown_tracker: &ShutdownTracker,
    ) {
        info!("Starting received messages buffer controller...");
-        let controller: ReceivedMessagesBufferController<SphinxMessageReceiver> =
-            ReceivedMessagesBufferController::new(
-                local_encryption_keypair,
-                query_receiver,
-                mixnet_receiver,
-                reply_key_storage,
-                reply_controller_sender,
-                metrics_reporter,
-                shutdown,
-            );
-        controller.start()
+        let controller = ReceivedMessagesBufferController::<SphinxMessageReceiver>::new(
+            local_encryption_keypair,
+            query_receiver,
+            mixnet_receiver,
+            reply_key_storage,
+            reply_controller_sender,
+            metrics_reporter,
+            shutdown_tracker.clone_shutdown_token(),
+        );
+        let (mut msg_receiver, mut req_receiver) = controller.into_tasks();
+
+        shutdown_tracker.try_spawn_named(
+            async move { msg_receiver.run().await },
+            "ReceivedMessagesBufferController::FragmentedMessageReceiver",
+        );
+        shutdown_tracker.try_spawn_named(
+            async move { req_receiver.run().await },
+            "ReceivedMessagesBufferController::RequestReceiver",
+        );
    }

    #[allow(clippy::too_many_arguments)]
+    #[instrument(skip_all)]
    async fn start_gateway_client(
        config: &Config,
        initialisation_result: InitialisationResult,
@@ -415,7 +476,7 @@ where
        packet_router: PacketRouter,
        stats_reporter: ClientStatsSender,
        #[cfg(unix)] connection_fd_callback: Option<Arc<dyn Fn(RawFd) + Send + Sync>>,
-        shutdown: TaskClient,
+        shutdown_tracker: &ShutdownTracker,
    ) -> Result<GatewayClient<C, S::CredentialStore>, ClientCoreError>
    where
        <S::KeyStore as KeyStore>::StorageError: Send + Sync + 'static,
@@ -434,7 +495,7 @@ where
                    packet_router,
                    bandwidth_controller,
                    stats_reporter,
-                    shutdown,
+                    shutdown_tracker.clone_shutdown_token(),
                )
            } else {
                let cfg = GatewayConfig::new(
@@ -459,7 +520,7 @@ where
                    stats_reporter,
                    #[cfg(unix)]
                    connection_fd_callback,
-                    shutdown,
+                    shutdown_tracker.clone_shutdown_token(),
                )
            };

@@ -513,6 +574,7 @@ where
    }

    #[allow(clippy::too_many_arguments)]
+    #[instrument(skip_all)]
    async fn setup_gateway_transceiver(
        custom_gateway_transceiver: Option<Box<dyn GatewayTransceiver + Send>>,
        config: &Config,
@@ -522,7 +584,7 @@ where
        packet_router: PacketRouter,
        stats_reporter: ClientStatsSender,
        #[cfg(unix)] connection_fd_callback: Option<Arc<dyn Fn(RawFd) + Send + Sync>>,
-        mut shutdown: TaskClient,
+        shutdown_tracker: &ShutdownTracker,
    ) -> Result<Box<dyn GatewayTransceiver + Send>, ClientCoreError>
    where
        <S::KeyStore as KeyStore>::StorageError: Send + Sync + 'static,
@@ -539,7 +601,6 @@ where
                Err(ClientCoreError::CustomGatewaySelectionExpected)
            } else {
                // and make sure to invalidate the task client, so we wouldn't cause premature shutdown
-                shutdown.disarm();
                custom_gateway_transceiver.set_packet_router(packet_router)?;
                Ok(custom_gateway_transceiver)
            };
@@ -555,7 +616,7 @@ where
            stats_reporter,
            #[cfg(unix)]
            connection_fd_callback,
-            shutdown,
+            shutdown_tracker,
        )
        .await?;

@@ -566,7 +627,7 @@ where
        custom_provider: Option<Box<dyn TopologyProvider + Send + Sync>>,
        config_topology: config::Topology,
        nym_api_urls: Vec<Url>,
-        nym_api_client: NymApiClient,
+        nym_api_client: nym_http_api_client::Client,
    ) -> Box<dyn TopologyProvider + Send + Sync> {
        // if no custom provider was ... provided ..., create one using nym-api
        custom_provider.unwrap_or_else(|| {
@@ -586,22 +647,20 @@ where
        topology_accessor: TopologyAccessor,
        local_gateway: NodeIdentity,
        wait_for_gateway: bool,
-        mut task_client: TaskClient,
+        shutdown_tracker: &ShutdownTracker,
    ) -> Result<(), ClientCoreError> {
        let topology_refresher_config =
            TopologyRefresherConfig::new(topology_config.topology_refresh_rate);

        if topology_config.disable_refreshing {
            // if we're not spawning the refresher, don't cause shutdown immediately
-            info!("The background topology refesher is not going to be started");
-            task_client.disarm();
+            info!("The background topology refresher is not going to be started");
        }

        let mut topology_refresher = TopologyRefresher::new(
            topology_refresher_config,
            topology_accessor,
            topology_provider,
-            task_client,
        );
        // before returning, block entire runtime to refresh the current network view so that any
        // components depending on topology would see a non-empty view
@@ -646,7 +705,10 @@ where
            // don't spawn the refresher if we don't want to be refreshing the topology.
            // only use the initial values obtained
            info!("Starting topology refresher...");
-            topology_refresher.start();
+            shutdown_tracker.try_spawn_named_with_shutdown(
+                async move { topology_refresher.run().await },
+                "TopologyRefresher",
+            );
        }

        Ok(())
@@ -657,7 +719,7 @@ where
        user_agent: Option<UserAgent>,
        client_stats_id: String,
        input_sender: Sender<InputMessage>,
-        task_client: TaskClient,
+        shutdown_tracker: &ShutdownTracker,
    ) -> ClientStatsSender {
        info!("Starting statistics control...");
        StatisticsControl::create_and_start(
@@ -667,18 +729,23 @@ where
                .unwrap_or("unknown".to_string()),
            client_stats_id,
            input_sender.clone(),
-            task_client,
+            shutdown_tracker,
        )
    }
-
+    #[instrument(skip_all)]
    fn start_mix_traffic_controller(
        gateway_transceiver: Box<dyn GatewayTransceiver + Send>,
-        shutdown: TaskClient,
+        shutdown_tracker: &ShutdownTracker,
    ) -> (BatchMixMessageSender, ClientRequestSender) {
        info!("Starting mix traffic controller...");
-        let (mix_traffic_controller, mix_tx, client_tx) =
-            MixTrafficController::new(gateway_transceiver, shutdown);
-        mix_traffic_controller.start();
+        let (mut mix_traffic_controller, mix_tx, client_tx) =
+            MixTrafficController::new(gateway_transceiver, shutdown_tracker.clone_shutdown_token());
+
+        shutdown_tracker.try_spawn_named(
+            async move { mix_traffic_controller.run().await },
+            "MixTrafficController",
+        );
+
        (mix_tx, client_tx)
    }

@@ -686,7 +753,7 @@ where
    async fn setup_persistent_reply_storage(
        backend: S::ReplyStore,
        key_rotation_config: KeyRotationConfig,
-        shutdown: TaskClient,
+        shutdown_tracker: &ShutdownTracker,
    ) -> Result<CombinedReplyStorage, ClientCoreError>
    where
        <S::ReplyStore as ReplyStorageBackend>::StorageError: Sync + Send,
@@ -711,13 +778,14 @@ where
            })?;

        let store_clone = mem_store.clone();
-        spawn_future!(
+        let shutdown_token = shutdown_tracker.clone_shutdown_token();
+        shutdown_tracker.try_spawn_named(
            async move {
                persistent_storage
-                    .flush_on_shutdown(store_clone, shutdown)
+                    .flush_on_shutdown(store_clone, shutdown_token)
                    .await
            },
-            "PersistentReplyStorage::flush_on_shutdown"
+            "PersistentReplyStorage::flush_on_shutdown",
        );

        Ok(mem_store)
@@ -749,23 +817,32 @@ where
        setup_gateway(setup_method, key_store, details_store).await
    }

-    fn construct_nym_api_client(config: &Config, user_agent: Option<UserAgent>) -> NymApiClient {
+    fn construct_nym_api_client(
+        config: &Config,
+        user_agent: Option<UserAgent>,
+    ) -> Result<nym_http_api_client::Client, ClientCoreError> {
        let mut nym_api_urls = config.get_nym_api_endpoints();
        nym_api_urls.shuffle(&mut thread_rng());

+        let mut builder = nym_http_api_client::Client::builder(nym_api_urls[0].clone())
+            .map_err(ClientCoreError::from)?;
+
        if let Some(user_agent) = user_agent {
-            NymApiClient::new_with_user_agent(nym_api_urls[0].clone(), user_agent)
-        } else {
-            NymApiClient::new(nym_api_urls[0].clone())
+            builder = builder.with_user_agent(user_agent);
        }
+
+        builder = builder.with_bincode();
+
+        builder.build().map_err(ClientCoreError::from)
    }

    async fn determine_key_rotation_state(
-        client: &NymApiClient,
+        client: &nym_http_api_client::Client,
    ) -> Result<KeyRotationConfig, ClientCoreError> {
-        Ok(client.nym_api.get_key_rotation_info().await?.into())
+        Ok(client.get_key_rotation_info().await?.into())
    }

+    #[instrument(skip_all)]
    pub async fn start_base(mut self) -> Result<BaseClient, ClientCoreError>
    where
        S::ReplyStore: Send + Sync,
@@ -808,12 +885,12 @@ where
        let shared_topology_accessor =
            TopologyAccessor::new(self.config.debug.topology.ignore_egress_epoch_role);

-        // Shutdown notifier for signalling tasks to stop
-        let shutdown = self
-            .shutdown
-            .map(Into::<TaskHandle>::into)
-            .unwrap_or_default()
-            .name_if_unnamed("BaseNymClient");
+        // Create a shutdown tracker for this client - either as a child of provided tracker
+        // or get one from the registry
+        let shutdown_tracker = match self.shutdown {
+            Some(parent_tracker) => parent_tracker.child_tracker(),
+            None => nym_task::get_sdk_shutdown_tracker()?,
+        };

        // channels responsible for dealing with reply-related fun
        let (reply_controller_sender, reply_controller_receiver) =
@@ -830,7 +907,7 @@ where
            .dkg_query_client
            .map(|client| BandwidthController::new(credential_store, client));

-        let nym_api_client = Self::construct_nym_api_client(&self.config, self.user_agent.clone());
+        let nym_api_client = Self::construct_nym_api_client(&self.config, self.user_agent.clone())?;
        let key_rotation_config = Self::determine_key_rotation_state(&nym_api_client).await?;

        let topology_provider = Self::setup_topology_provider(
@@ -845,7 +922,7 @@ where
            self.user_agent.clone(),
            generate_client_stats_id(*self_address.identity()),
            input_sender.clone(),
-            shutdown.fork("statistics_control"),
+            &shutdown_tracker.child_tracker(),
        );

        // needs to be started as the first thing to block if required waiting for the gateway
@@ -855,14 +932,14 @@ where
            shared_topology_accessor.clone(),
            self_address.gateway(),
            self.wait_for_gateway,
-            shutdown.fork("topology_refresher"),
+            &shutdown_tracker.child_tracker(),
        )
        .await?;

        let gateway_packet_router = PacketRouter::new(
            ack_sender,
            mixnet_messages_sender,
-            shutdown.get_handle().named("gateway-packet-router"),
+            shutdown_tracker.clone_shutdown_token(),
        );

        let gateway_transceiver = Self::setup_gateway_transceiver(
@@ -875,7 +952,7 @@ where
            stats_reporter.clone(),
            #[cfg(unix)]
            self.connection_fd_callback,
-            shutdown.fork("gateway_transceiver"),
+            &shutdown_tracker.child_tracker(),
        )
        .await?;
        let gateway_ws_fd = gateway_transceiver.ws_fd();
@@ -883,7 +960,7 @@ where
        let reply_storage = Self::setup_persistent_reply_storage(
            reply_storage_backend,
            key_rotation_config,
-            shutdown.fork("persistent_reply_storage"),
+            &shutdown_tracker.child_tracker(),
        )
        .await?;

@@ -893,8 +970,8 @@ where
            mixnet_messages_receiver,
            reply_storage.key_storage(),
            reply_controller_sender.clone(),
-            shutdown.fork("received_messages_buffer"),
            stats_reporter.clone(),
+            &shutdown_tracker.child_tracker(),
        );

        // The message_sender is the transmitter for any component generating sphinx packets
@@ -904,7 +981,7 @@ where

        let (message_sender, client_request_sender) = Self::start_mix_traffic_controller(
            gateway_transceiver,
-            shutdown.fork("mix_traffic_controller"),
+            &shutdown_tracker.child_tracker(),
        );

        // Channels that the websocket listener can use to signal downstream to the real traffic
@@ -933,9 +1010,8 @@ where
            reply_controller_receiver,
            shared_lane_queue_lengths.clone(),
            client_connection_rx,
-            shutdown.fork("real_traffic_controller"),
-            self.config.debug.traffic.packet_type,
            stats_reporter.clone(),
+            &shutdown_tracker.child_tracker(),
        );

        if !self
@@ -951,7 +1027,7 @@ where
                shared_topology_accessor.clone(),
                message_sender,
                stats_reporter.clone(),
-                shutdown.fork("cover_traffic_stream"),
+                &shutdown_tracker.child_tracker(),
            );
        }

@@ -979,7 +1055,7 @@ where
                gateway_connection: GatewayConnection { gateway_ws_fd },
            },
            stats_reporter,
-            task_handle: shutdown,
+            shutdown_handle: Some(shutdown_tracker), // The primary tracker for this client
            client_request_sender,
            forget_me: self.config.debug.forget_me,
            remember_me: self.config.debug.remember_me,
@@ -995,7 +1071,7 @@ pub struct BaseClient {
    pub client_state: ClientState,
    pub stats_reporter: ClientStatsSender,
    pub client_request_sender: ClientRequestSender,
-    pub task_handle: TaskHandle,
+    pub shutdown_handle: Option<ShutdownTracker>,
    pub forget_me: ForgetMe,
    pub remember_me: RememberMe,
 }
@@ -3,7 +3,7 @@

 use crate::client::mix_traffic::BatchMixMessageSender;
 use crate::client::topology_control::TopologyAccessor;
-use crate::{config, spawn_future};
+use crate::config;
 use futures::task::{Context, Poll};
 use futures::{Future, Stream, StreamExt};
 use nym_sphinx::acknowledgements::AckKey;
@@ -12,7 +12,6 @@ use nym_sphinx::cover::generate_loop_cover_packet;
 use nym_sphinx::params::{PacketSize, PacketType};
 use nym_sphinx::utils::sample_poisson_duration;
 use nym_statistics_common::clients::{packet_statistics::PacketStatisticsEvent, ClientStatsSender};
-use nym_task::TaskClient;
 use rand::{rngs::OsRng, CryptoRng, Rng};
 use std::pin::Pin;
 use std::sync::Arc;
@@ -69,8 +68,6 @@ where
    packet_type: PacketType,

    stats_tx: ClientStatsSender,
-
-    task_client: TaskClient,
 }

 impl<R> Stream for LoopCoverTrafficStream<R>
@@ -117,7 +114,6 @@ impl LoopCoverTrafficStream<OsRng> {
        traffic_config: config::Traffic,
        cover_config: config::CoverTraffic,
        stats_tx: ClientStatsSender,
-        task_client: TaskClient,
    ) -> Self {
        let rng = OsRng;

@@ -137,7 +133,6 @@ impl LoopCoverTrafficStream<OsRng> {
            use_legacy_sphinx_format: traffic_config.use_legacy_sphinx_format,
            packet_type: traffic_config.packet_type,
            stats_tx,
-            task_client,
        }
    }

@@ -235,12 +230,13 @@ impl LoopCoverTrafficStream<OsRng> {
        tokio::task::yield_now().await;
    }

+    // it's fine if cover traffic stream task gets killed whilst processing next message
    #[allow(clippy::panic)]
-    pub fn start(mut self) {
+    pub async fn run(&mut self) {
        if self.cover_traffic.disable_loop_cover_traffic_stream {
            // we should have never got here in the first place - the task should have never been created to begin with
            // so panic and review the code that lead to this branch
-            panic!("attempted to start LoopCoverTrafficStream while config explicitly disabled it.")
+            panic!("attempted to run LoopCoverTrafficStream while config explicitly disabled it.")
        }

        // we should set initial delay only when we actually start the stream
@@ -250,32 +246,11 @@ impl LoopCoverTrafficStream<OsRng> {
        );
        self.set_next_delay(sampled);

-        let mut shutdown = self.task_client.fork("select");
+        while self.next().await.is_some() {
+            self.on_new_message().await;
+        }

-        spawn_future!(
-            async move {
-                debug!("Started LoopCoverTrafficStream with graceful shutdown support");
-
-                while !shutdown.is_shutdown() {
-                    tokio::select! {
-                        biased;
-                        _ = shutdown.recv() => {
-                            tracing::trace!("LoopCoverTrafficStream: Received shutdown");
-                        }
-                        next = self.next() => {
-                            if next.is_some() {
-                                self.on_new_message().await;
-                            } else {
-                                tracing::trace!("LoopCoverTrafficStream: Stopping since channel closed");
-                                break;
-                            }
-                        }
-                    }
-                }
-                shutdown.recv_timeout().await;
-                tracing::debug!("LoopCoverTrafficStream: Exiting");
-            },
-            "LoopCoverTrafficStream"
-        )
+        // this should never get triggered
+        error!("cover traffic stream has been exhausted!")
    }
 }
@@ -29,6 +29,8 @@ pub enum InputMessage {
        data: Vec<u8>,
        lane: TransmissionLane,
        max_retransmissions: Option<u32>,
+        // add trace_id for optional tracing of individual messages in debug mode
+        trace_id: Option<[u8; 12]>,
    },

    /// Creates a message used for a duplex anonymous communication where the recipient
@@ -45,6 +47,7 @@ pub enum InputMessage {
        reply_surbs: u32,
        lane: TransmissionLane,
        max_retransmissions: Option<u32>,
+        trace_id: Option<[u8; 12]>,
    },

    /// Attempt to use our internally received and stored `ReplySurb` to send the message back
@@ -90,12 +93,14 @@ impl InputMessage {
        data: Vec<u8>,
        lane: TransmissionLane,
        packet_type: Option<PacketType>,
+        trace_id: Option<[u8; 12]>,
    ) -> Self {
        let message = InputMessage::Regular {
            recipient,
            data,
            lane,
            max_retransmissions: None,
+            trace_id,
        };
        if let Some(packet_type) = packet_type {
            InputMessage::new_wrapper(message, packet_type)
@@ -110,6 +115,7 @@ impl InputMessage {
        reply_surbs: u32,
        lane: TransmissionLane,
        packet_type: Option<PacketType>,
+        trace_id: Option<[u8; 12]>,
    ) -> Self {
        let message = InputMessage::Anonymous {
            recipient,
@@ -117,6 +123,7 @@ impl InputMessage {
            reply_surbs,
            lane,
            max_retransmissions: None,
+            trace_id,
        };
        if let Some(packet_type) = packet_type {
            InputMessage::new_wrapper(message, packet_type)
@@ -185,4 +192,13 @@ impl InputMessage {
        self.set_max_retransmissions(max_retransmissions);
        self
    }
+
+    pub fn trace_id(&self) -> Option<[u8; 12]> {
+        match self {
+            InputMessage::Regular { trace_id, .. } => *trace_id,
+            InputMessage::Anonymous { trace_id, .. } => *trace_id,
+            InputMessage::Premade { .. } | InputMessage::Reply { .. } => None,
+            InputMessage::MessageWrapper { message, .. } => message.trace_id(),
+        }
+    }
 }
@@ -2,11 +2,9 @@
 // SPDX-License-Identifier: Apache-2.0

 use crate::client::mix_traffic::transceiver::GatewayTransceiver;
-use crate::error::ClientCoreError;
-use crate::spawn_future;
 use nym_gateway_requests::ClientRequest;
 use nym_sphinx::forwarding::packet::MixPacket;
-use nym_task::TaskClient;
+use nym_task::ShutdownToken;
 use tracing::*;
 use transceiver::ErasedGatewayError;

@@ -34,13 +32,13 @@ pub struct MixTrafficController {
    // in long run `gateway_client` will be moved away from `MixTrafficController` anyway.
    consecutive_gateway_failure_count: usize,

-    task_client: TaskClient,
+    shutdown_token: ShutdownToken,
 }

 impl MixTrafficController {
    pub fn new<T>(
        gateway_transceiver: T,
-        task_client: TaskClient,
+        shutdown_token: ShutdownToken,
    ) -> (
        MixTrafficController,
        BatchMixMessageSender,
@@ -60,7 +58,7 @@ impl MixTrafficController {
                mix_rx: message_receiver,
                client_rx: client_receiver,
                consecutive_gateway_failure_count: 0,
-                task_client,
+                shutdown_token,
            },
            message_sender,
            client_sender,
@@ -69,7 +67,7 @@ impl MixTrafficController {

    pub fn new_dynamic(
        gateway_transceiver: Box<dyn GatewayTransceiver + Send>,
-        task_client: TaskClient,
+        shutdown_token: ShutdownToken,
    ) -> (
        MixTrafficController,
        BatchMixMessageSender,
@@ -84,7 +82,7 @@ impl MixTrafficController {
                mix_rx: message_receiver,
                client_rx: client_receiver,
                consecutive_gateway_failure_count: 0,
-                task_client,
+                shutdown_token,
            },
            message_sender,
            client_sender,
@@ -107,7 +105,7 @@ impl MixTrafficController {

        tokio::select! {
            biased;
-            _ = self.task_client.recv() => {
+            _ = self.shutdown_token.cancelled() => {
                trace!("received shutdown while handling messages");
                Ok(())
            }
@@ -127,7 +125,7 @@ impl MixTrafficController {
    async fn on_client_request(&mut self, client_request: ClientRequest) {
        tokio::select! {
            biased;
-             _ = self.task_client.recv() => {
+             _ = self.shutdown_token.cancelled() => {
                trace!("received shutdown while handling client request");
            }
            result = self.gateway_transceiver.send_client_request(client_request) => {
@@ -138,51 +136,44 @@ impl MixTrafficController {
        }
    }

-    pub fn start(mut self) {
-        spawn_future!(
-            async move {
-                debug!("Started MixTrafficController with graceful shutdown support");
-                while !self.task_client.is_shutdown() {
-                    tokio::select! {
-                        biased;
-                        _ = self.task_client.recv() => {
-                            tracing::trace!("MixTrafficController: Received shutdown");
-                            break;
-                        }
-                        mix_packets = self.mix_rx.recv() => match mix_packets {
-                            Some(mix_packets) => {
-                                if let Err(err) = self.on_messages(mix_packets).await {
-                                    error!("Failed to send sphinx packet(s) to the gateway: {err}");
-                                    if self.consecutive_gateway_failure_count == MAX_FAILURE_COUNT {
-                                        // Disconnect from the gateway. If we should try to re-connect
-                                        // is handled at a higher layer.
-                                        error!("Failed to send sphinx packet to the gateway {MAX_FAILURE_COUNT} times in a row - assuming the gateway is dead");
-                                        // Do we need to handle the embedded mixnet client case
-                                        // separately?
-                                        self.task_client.send_we_stopped(Box::new(ClientCoreError::GatewayFailedToForwardMessages));
-                                        break;
-                                    }
-                                }
-                            },
-                            None => {
-                                tracing::trace!("MixTrafficController: Stopping since channel closed");
+    pub async fn run(&mut self) {
+        debug!("Started MixTrafficController with graceful shutdown support");
+        loop {
+            tokio::select! {
+                biased;
+                _ = self.shutdown_token.cancelled() => {
+                    trace!("MixTrafficController: Received shutdown");
+                    break;
+                }
+                mix_packets = self.mix_rx.recv() => match mix_packets {
+                    Some(mix_packets) => {
+                        if let Err(err) = self.on_messages(mix_packets).await {
+                            error!("Failed to send sphinx packet(s) to the gateway: {err}");
+                            if self.consecutive_gateway_failure_count == MAX_FAILURE_COUNT {
+                                // Disconnect from the gateway. If we should try to re-connect
+                                // is handled at a higher layer.
+                                error!("Failed to send sphinx packet to the gateway {MAX_FAILURE_COUNT} times in a row - assuming the gateway is dead");
+                                // Do we need to handle the embedded mixnet client case
+                                // separately?
                                break;
                            }
-                        },
-                        client_request = self.client_rx.recv() => match client_request {
-                            Some(client_request) => {
-                                self.on_client_request(client_request).await;
-                            },
-                            None => {
-                                tracing::trace!("MixTrafficController, client request channel closed");
-                            }
-                        },
+                        }
+                    },
+                    None => {
+                        trace!("MixTrafficController: Stopping since channel closed");
+                        break;
                    }
-                }
-                self.task_client.recv_timeout().await;
-                tracing::debug!("MixTrafficController: Exiting");
-            },
-            "MixTrafficController"
-        );
+                },
+                client_request = self.client_rx.recv() => match client_request {
+                    Some(client_request) => {
+                        self.on_client_request(client_request).await;
+                    },
+                    None => {
+                        trace!("MixTrafficController, client request channel closed");
+                    break}
+                },
+            }
+        }
+        debug!("MixTrafficController: Exiting");
    }
 }
@@ -10,18 +10,17 @@ use nym_sphinx::{
    acknowledgements::{identifier::recover_identifier, AckKey},
    chunking::fragment::{FragmentIdentifier, COVER_FRAG_ID},
 };
-use nym_task::TaskClient;
+use nym_task::ShutdownToken;
 use std::sync::Arc;
 use tracing::*;

 /// Module responsible for listening for any data resembling acknowledgements from the network
 /// and firing actions to remove them from the 'Pending' state.
-pub(super) struct AcknowledgementListener {
+pub(crate) struct AcknowledgementListener {
    ack_key: Arc<AckKey>,
    ack_receiver: AcknowledgementReceiver,
    action_sender: AckActionSender,
    stats_tx: ClientStatsSender,
-    task_client: TaskClient,
 }

 impl AcknowledgementListener {
@@ -30,14 +29,12 @@ impl AcknowledgementListener {
        ack_receiver: AcknowledgementReceiver,
        action_sender: AckActionSender,
        stats_tx: ClientStatsSender,
-        task_client: TaskClient,
    ) -> Self {
        AcknowledgementListener {
            ack_key,
            ack_receiver,
            action_sender,
            stats_tx,
-            task_client,
        }
    }

@@ -68,14 +65,9 @@ impl AcknowledgementListener {
        trace!("Received {frag_id} from the mix network");
        self.stats_tx
            .report(PacketStatisticsEvent::RealAckReceived(ack_content.len()).into());
-        if let Err(err) = self
+        let _ = self
            .action_sender
-            .unbounded_send(Action::new_remove(frag_id))
-        {
-            if !self.task_client.is_shutdown_poll() {
-                error!("Failed to send remove action to action controller: {err}");
-            }
-        }
+            .unbounded_send(Action::new_remove(frag_id));
    }

    async fn handle_ack_receiver_item(&mut self, item: Vec<Vec<u8>>) {
@@ -85,11 +77,16 @@ impl AcknowledgementListener {
        }
    }

-    pub(super) async fn run(&mut self) {
+    pub(crate) async fn run(&mut self, shutdown_token: ShutdownToken) {
        debug!("Started AcknowledgementListener with graceful shutdown support");

-        while !self.task_client.is_shutdown() {
+        loop {
            tokio::select! {
+                biased;
+                _ = shutdown_token.cancelled() => {
+                    tracing::trace!("AcknowledgementListener: Received shutdown");
+                    break;
+                }
                acks = self.ack_receiver.next() => match acks {
                    Some(acks) => self.handle_ack_receiver_item(acks).await,
                    None => {
@@ -97,12 +94,9 @@ impl AcknowledgementListener {
                        break;
                    }
                },
-                _ = self.task_client.recv() => {
-                    tracing::trace!("AcknowledgementListener: Received shutdown");
-                }
+
            }
        }
-        self.task_client.recv_timeout().await;
        tracing::debug!("AcknowledgementListener: Exiting");
    }
 }
@@ -8,7 +8,7 @@ use futures::StreamExt;
 use nym_nonexhaustive_delayqueue::{Expired, NonExhaustiveDelayQueue, QueueKey};
 use nym_sphinx::chunking::fragment::FragmentIdentifier;
 use nym_sphinx::Delay as SphinxDelay;
-use nym_task::TaskClient;
+use nym_task::ShutdownToken;
 use std::collections::HashMap;
 use std::sync::Arc;
 use std::time::Duration;
@@ -82,7 +82,7 @@ impl Config {
    }
 }

-pub(super) struct ActionController {
+pub(crate) struct ActionController {
    /// Configurable parameters of the `ActionController`
    config: Config,

@@ -102,8 +102,6 @@ pub(super) struct ActionController {

    /// Channel for notifying `RetransmissionRequestListener` about expired acknowledgements.
    retransmission_sender: RetransmissionRequestSender,
-
-    task_client: TaskClient,
 }

 impl ActionController {
@@ -111,7 +109,6 @@ impl ActionController {
        config: Config,
        retransmission_sender: RetransmissionRequestSender,
        incoming_actions: AckActionReceiver,
-        task_client: TaskClient,
    ) -> Self {
        ActionController {
            config,
@@ -119,7 +116,6 @@ impl ActionController {
            pending_acks_timers: NonExhaustiveDelayQueue::new(),
            incoming_actions,
            retransmission_sender,
-            task_client,
        }
    }

@@ -226,14 +222,9 @@ impl ActionController {
            // downgrading an arc and then upgrading vs cloning is difference of 30ns vs 15ns
            // so it's literally a NO difference while it might prevent us from unnecessarily
            // resending data (in maybe 1 in 1 million cases, but it's something)
-            if let Err(err) = self
+            let _ = self
                .retransmission_sender
-                .unbounded_send(Arc::downgrade(pending_ack_data))
-            {
-                if !self.task_client.is_shutdown_poll() {
-                    tracing::error!("Failed to send pending ack for retransmission: {err}");
-                }
-            }
+                .unbounded_send(Arc::downgrade(pending_ack_data));
        } else {
            // this shouldn't cause any issues but shouldn't have happened to begin with!
            error!("An already removed pending ack has expired")
@@ -251,11 +242,16 @@ impl ActionController {
        }
    }

-    pub(super) async fn run(&mut self) {
+    pub(crate) async fn run(&mut self, shutdown_token: ShutdownToken) {
        debug!("Started ActionController with graceful shutdown support");

-        while !self.task_client.is_shutdown() {
+        loop {
            tokio::select! {
+                biased;
+                _ = shutdown_token.cancelled() => {
+                    tracing::trace!("ActionController: Received shutdown");
+                    break;
+                }
                action = self.incoming_actions.next() => match action {
                    Some(action) => self.process_action(action),
                    None => {
@@ -272,13 +268,8 @@ impl ActionController {
                        break;
                    }
                },
-                _ = self.task_client.recv() => {
-                    tracing::trace!("ActionController: Received shutdown");
-                    break;
-                }
            }
        }
-        self.task_client.recv_timeout().await;
        tracing::debug!("ActionController: Exiting");
    }
 }
@@ -10,21 +10,20 @@ use nym_sphinx::anonymous_replies::requests::AnonymousSenderTag;
 use nym_sphinx::forwarding::packet::MixPacket;
 use nym_sphinx::params::PacketType;
 use nym_task::connections::TransmissionLane;
-use nym_task::TaskClient;
+use nym_task::ShutdownToken;
 use rand::{CryptoRng, Rng};
 use tracing::*;

 /// Module responsible for dealing with the received messages: splitting them, creating acknowledgements,
 /// putting everything into sphinx packets, etc.
 /// It also makes an initial sending attempt for said messages.
-pub(super) struct InputMessageListener<R>
+pub(crate) struct InputMessageListener<R>
 where
    R: CryptoRng + Rng,
 {
    input_receiver: InputMessageReceiver,
    message_handler: MessageHandler<R>,
    reply_controller_sender: ReplyControllerSender,
-    task_client: TaskClient,
 }

 impl<R> InputMessageListener<R>
@@ -38,13 +37,11 @@ where
        input_receiver: InputMessageReceiver,
        message_handler: MessageHandler<R>,
        reply_controller_sender: ReplyControllerSender,
-        task_client: TaskClient,
    ) -> Self {
        InputMessageListener {
            input_receiver,
            message_handler,
            reply_controller_sender,
-            task_client,
        }
    }

@@ -68,16 +65,12 @@ where
        max_retransmissions: Option<u32>,
    ) {
        // offload reply handling to the dedicated task
-        if let Err(err) =
+        let _ =
            self.reply_controller_sender
-                .send_reply(recipient_tag, data, lane, max_retransmissions)
-        {
-            if !self.task_client.is_shutdown_poll() {
-                error!("failed to send a reply - {err}");
-            }
-        }
+                .send_reply(recipient_tag, data, lane, max_retransmissions);
    }

+    #[instrument(skip_all)]
    async fn handle_plain_message(
        &mut self,
        recipient: Recipient,
@@ -85,16 +78,18 @@ where
        lane: TransmissionLane,
        packet_type: PacketType,
        max_retransmissions: Option<u32>,
+        trace_id: Option<[u8; 12]>,
    ) {
        if let Err(err) = self
            .message_handler
-            .try_send_plain_message(recipient, content, lane, packet_type, max_retransmissions)
+            .try_send_plain_message(recipient, content, lane, packet_type, max_retransmissions, trace_id)
            .await
        {
            warn!("failed to send a plain message - {err}")
        }
    }

+    #[instrument(skip_all)]
    async fn handle_repliable_message(
        &mut self,
        recipient: Recipient,
@@ -103,6 +98,7 @@ where
        lane: TransmissionLane,
        packet_type: PacketType,
        max_retransmissions: Option<u32>,
+        trace_id: Option<[u8; 12]>,
    ) {
        if let Err(err) = self
            .message_handler
@@ -113,6 +109,7 @@ where
                lane,
                packet_type,
                max_retransmissions,
+                trace_id,
            )
            .await
        {
@@ -121,20 +118,29 @@ where
    }

    #[allow(clippy::panic)]
+    #[instrument(skip_all)]
    async fn on_input_message(&mut self, msg: InputMessage) {
+        let trace_id = msg.trace_id();
+        if let Some(tid) = trace_id {
+            tracing::warn!("Processing input message with trace_id: {:?}", tid);
+        }
+
        match msg {
            InputMessage::Regular {
                recipient,
                data,
                lane,
                max_retransmissions,
+                ..
            } => {
+                warn!("Handling regular input message with trace_id: {:?}", trace_id);
                self.handle_plain_message(
                    recipient,
                    data,
                    lane,
                    PacketType::Mix,
                    max_retransmissions,
+                    trace_id
                )
                .await
            }
@@ -144,7 +150,9 @@ where
                reply_surbs,
                lane,
                max_retransmissions,
+                ..
            } => {
+                warn!("Handling anonymous input message with trace_id: {:?}", trace_id);
                self.handle_repliable_message(
                    recipient,
                    data,
@@ -152,6 +160,7 @@ where
                    lane,
                    PacketType::Mix,
                    max_retransmissions,
+                    trace_id
                )
                .await
            }
@@ -161,6 +170,7 @@ where
                lane,
                max_retransmissions,
            } => {
+                warn!("Handling reply input message with trace_id: {:?}", trace_id);
                self.handle_reply(recipient_tag, data, lane, max_retransmissions)
                    .await;
            }
@@ -174,13 +184,16 @@ where
                    data,
                    lane,
                    max_retransmissions,
+                    ..
                } => {
+                    tracing::warn!("Handling regular input message with trace_id: {:?}", trace_id);
                    self.handle_plain_message(
                        recipient,
                        data,
                        lane,
                        packet_type,
                        max_retransmissions,
+                        trace_id
                    )
                    .await
                }
@@ -190,6 +203,7 @@ where
                    reply_surbs,
                    lane,
                    max_retransmissions,
+                    ..
                } => {
                    self.handle_repliable_message(
                        recipient,
@@ -198,6 +212,7 @@ where
                        lane,
                        packet_type,
                        max_retransmissions,
+                        trace_id
                    )
                    .await
                }
@@ -221,13 +236,14 @@ where
        };
    }

-    pub(super) async fn run(&mut self) {
+    #[instrument(skip_all)]
+    pub(crate) async fn run(&mut self, shutdown_token: ShutdownToken) {
        debug!("Started InputMessageListener with graceful shutdown support");

-        while !self.task_client.is_shutdown() {
+        loop {
            tokio::select! {
                biased;
-                _ = self.task_client.recv() => {
+                _ = shutdown_token.cancelled() => {
                    tracing::trace!("InputMessageListener: Received shutdown");
                    break;
                }
@@ -243,7 +259,6 @@ where

            }
        }
-        self.task_client.recv_timeout().await;
        tracing::debug!("InputMessageListener: Exiting");
    }
 }
@@ -10,7 +10,6 @@ use self::{
 use crate::client::inbound_messages::InputMessageReceiver;
 use crate::client::real_messages_control::message_handler::MessageHandler;
 use crate::client::replies::reply_controller::ReplyControllerSender;
-use crate::spawn_future;
 use action_controller::AckActionReceiver;
 use futures::channel::mpsc;
 use nym_gateway_client::AcknowledgementReceiver;
@@ -23,13 +22,11 @@ use nym_sphinx::{
    Delay as SphinxDelay,
 };
 use nym_statistics_common::clients::ClientStatsSender;
-use nym_task::TaskClient;
 use rand::{CryptoRng, Rng};
 use std::{
    sync::{Arc, Weak},
    time::Duration,
 };
-use tracing::*;

 pub(crate) use action_controller::{AckActionSender, Action};

@@ -190,6 +187,9 @@ pub(super) struct Config {

    /// Predefined packet size used for the encapsulated messages.
    packet_size: PacketSize,
+
+    /// Type of packets used for retransmissions
+    packet_type: PacketType,
 }

 impl Config {
@@ -197,12 +197,14 @@ impl Config {
        maximum_retransmissions: Option<u32>,
        ack_wait_addition: Duration,
        ack_wait_multiplier: f64,
+        packet_type: PacketType,
    ) -> Self {
        Config {
            maximum_retransmissions,
            ack_wait_addition,
            ack_wait_multiplier,
            packet_size: Default::default(),
+            packet_type,
        }
    }

@@ -212,7 +214,7 @@ impl Config {
    }
 }

-pub(super) struct AcknowledgementController<R>
+pub(crate) struct AcknowledgementController<R>
 where
    R: CryptoRng + Rng,
 {
@@ -234,7 +236,6 @@ where
        message_handler: MessageHandler<R>,
        reply_controller_sender: ReplyControllerSender,
        stats_tx: ClientStatsSender,
-        task_client: TaskClient,
    ) -> Self {
        let (retransmission_tx, retransmission_rx) = mpsc::unbounded();

@@ -244,7 +245,6 @@ where
            action_config,
            retransmission_tx,
            connectors.ack_action_receiver,
-            task_client.fork("action_controller"),
        );

        // will listen for any acks coming from the network
@@ -253,7 +253,6 @@ where
            connectors.ack_receiver,
            connectors.ack_action_sender.clone(),
            stats_tx,
-            task_client.fork("acknowledgement_listener"),
        );

        // will listen for any new messages from the client
@@ -261,7 +260,6 @@ where
            connectors.input_receiver,
            message_handler.clone(),
            reply_controller_sender.clone(),
-            task_client.fork("input_message_listener"),
        );

        // will listen for any ack timeouts and trigger retransmission
@@ -271,16 +269,13 @@ where
            message_handler,
            retransmission_rx,
            reply_controller_sender,
-            task_client.fork("retransmission_request_listener"),
+            config.packet_type,
        );

        // will listen for events indicating the packet was sent through the network so that
        // the retransmission timer should be started.
-        let sent_notification_listener = SentNotificationListener::new(
-            connectors.sent_notifier,
-            connectors.ack_action_sender,
-            task_client.with_suffix("sent_notification_listener"),
-        );
+        let sent_notification_listener =
+            SentNotificationListener::new(connectors.sent_notifier, connectors.ack_action_sender);

        AcknowledgementController {
            acknowledgement_listener,
@@ -291,51 +286,21 @@ where
        }
    }

-    pub(super) fn start(self, packet_type: PacketType) {
-        let mut acknowledgement_listener = self.acknowledgement_listener;
-        let mut input_message_listener = self.input_message_listener;
-        let mut retransmission_request_listener = self.retransmission_request_listener;
-        let mut sent_notification_listener = self.sent_notification_listener;
-        let mut action_controller = self.action_controller;
-
-        spawn_future!(
-            async move {
-                acknowledgement_listener.run().await;
-                debug!("The acknowledgement listener has finished execution!");
-            },
-            "AcknowledgementController::AcknowledgementListener"
-        );
-
-        spawn_future!(
-            async move {
-                input_message_listener.run().await;
-                debug!("The input listener has finished execution!");
-            },
-            "AcknowledgementController::InputMessageListener"
-        );
-
-        spawn_future!(
-            async move {
-                retransmission_request_listener.run(packet_type).await;
-                debug!("The retransmission request listener has finished execution!");
-            },
-            "AcknowledgementController::RetransmissionRequestListener"
-        );
-
-        spawn_future!(
-            async move {
-                sent_notification_listener.run().await;
-                debug!("The sent notification listener has finished execution!");
-            },
-            "AcknowledgementController::SentNotificationListener"
-        );
-
-        spawn_future!(
-            async move {
-                action_controller.run().await;
-                debug!("The controller has finished execution!");
-            },
-            "AcknowledgementController::ActionController"
-        );
+    pub(crate) fn into_tasks(
+        self,
+    ) -> (
+        AcknowledgementListener,
+        InputMessageListener<R>,
+        RetransmissionRequestListener<R>,
+        SentNotificationListener,
+        ActionController,
+    ) {
+        (
+            self.acknowledgement_listener,
+            self.input_message_listener,
+            self.retransmission_request_listener,
+            self.sent_notification_listener,
+            self.action_controller,
+        )
    }
 }
@@ -13,19 +13,19 @@ use futures::StreamExt;
 use nym_sphinx::chunking::fragment::Fragment;
 use nym_sphinx::preparer::PreparedFragment;
 use nym_sphinx::{addressing::clients::Recipient, params::PacketType};
-use nym_task::{connections::TransmissionLane, TaskClient};
+use nym_task::{connections::TransmissionLane, ShutdownToken};
 use rand::{CryptoRng, Rng};
 use std::sync::{Arc, Weak};
 use tracing::*;

 // responsible for packet retransmission upon fired timer
-pub(super) struct RetransmissionRequestListener<R> {
+pub(crate) struct RetransmissionRequestListener<R> {
    maximum_retransmissions: Option<u32>,
    action_sender: AckActionSender,
    message_handler: MessageHandler<R>,
    request_receiver: RetransmissionRequestReceiver,
    reply_controller_sender: ReplyControllerSender,
-    task_client: TaskClient,
+    packet_type: PacketType,
 }

 impl<R> RetransmissionRequestListener<R>
@@ -38,7 +38,7 @@ where
        message_handler: MessageHandler<R>,
        request_receiver: RetransmissionRequestReceiver,
        reply_controller_sender: ReplyControllerSender,
-        task_client: TaskClient,
+        packet_type: PacketType,
    ) -> Self {
        RetransmissionRequestListener {
            maximum_retransmissions,
@@ -46,7 +46,7 @@ where
            message_handler,
            request_receiver,
            reply_controller_sender,
-            task_client,
+            packet_type,
        }
    }

@@ -60,14 +60,13 @@ where

        // TODO: Figure out retransmission packet type signaling
        self.message_handler
-            .try_prepare_single_chunk_for_sending(packet_recipient, chunk_data, packet_type)
+            .try_prepare_single_chunk_for_sending(packet_recipient, chunk_data, packet_type, None)
            .await
    }

    async fn on_retransmission_request(
        &mut self,
        weak_timed_out_ack: Weak<PendingAcknowledgement>,
-        packet_type: PacketType,
    ) {
        let timed_out_ack = match weak_timed_out_ack.upgrade() {
            Some(timed_out_ack) => timed_out_ack,
@@ -97,22 +96,18 @@ where
            } => {
                // if this is retransmission for reply, offload it to the dedicated task
                // that deals with all the surbs
-                if let Err(err) = self.reply_controller_sender.send_retransmission_data(
+                let _ = self.reply_controller_sender.send_retransmission_data(
                    *recipient_tag,
                    weak_timed_out_ack,
                    *extra_surb_request,
-                ) {
-                    if !self.task_client.is_shutdown_poll() {
-                        error!("Failed to send retransmission data to the reply controller: {err}");
-                    }
-                }
+                );
                return;
            }
            PacketDestination::KnownRecipient(recipient) => {
                self.prepare_normal_retransmission_chunk(
                    **recipient,
                    timed_out_ack.message_chunk.clone(),
-                    packet_type,
+                    self.packet_type,
                )
                .await
            }
@@ -153,14 +148,9 @@ where
        // is sent to the `OutQueueControl` and has gone through its internal queue
        // with the additional poisson delay.
        // And since Actions are executed in order `UpdateTimer` will HAVE TO be executed before `StartTimer`
-        if let Err(err) = self
+        let _ = self
            .action_sender
-            .unbounded_send(Action::new_update_pending_ack(frag_id, new_delay))
-        {
-            if !self.task_client.is_shutdown_poll() {
-                error!("Failed to send update pending ack action to the controller: {err}");
-            }
-        }
+            .unbounded_send(Action::new_update_pending_ack(frag_id, new_delay));

        // send to `OutQueueControl` to eventually send to the mix network
        self.message_handler
@@ -174,18 +164,18 @@ where
            .await
    }

-    pub(super) async fn run(&mut self, packet_type: PacketType) {
+    pub(crate) async fn run(&mut self, shutdown_token: ShutdownToken) {
        debug!("Started RetransmissionRequestListener with graceful shutdown support");

-        while !self.task_client.is_shutdown() {
+        loop {
            tokio::select! {
                biased;
-                 _ = self.task_client.recv() => {
+                _ = shutdown_token.cancelled() => {
                    tracing::trace!("RetransmissionRequestListener: Received shutdown");
                    break;
                }
                timed_out_ack = self.request_receiver.next() => match timed_out_ack {
-                    Some(timed_out_ack) => self.on_retransmission_request(timed_out_ack, packet_type).await,
+                    Some(timed_out_ack) => self.on_retransmission_request(timed_out_ack).await,
                    None => {
                        tracing::trace!("RetransmissionRequestListener: Stopping since channel closed");
                        break;
@@ -194,7 +184,6 @@ where

            }
        }
-        self.task_client.recv_timeout().await;
        tracing::debug!("RetransmissionRequestListener: Exiting");
    }
 }
@@ -5,29 +5,25 @@ use super::action_controller::{AckActionSender, Action};
 use super::SentPacketNotificationReceiver;
 use futures::StreamExt;
 use nym_sphinx::chunking::fragment::{FragmentIdentifier, COVER_FRAG_ID};
-use nym_task::TaskClient;
 use tracing::*;

 /// Module responsible for starting up retransmission timers.
 /// It is required because when we send our packet to the `real traffic stream` controlled
 /// by a poisson timer, there's no guarantee the message will be sent immediately, so we might
 /// accidentally fire retransmission way quicker than we should have.
-pub(super) struct SentNotificationListener {
+pub(crate) struct SentNotificationListener {
    sent_notifier: SentPacketNotificationReceiver,
    action_sender: AckActionSender,
-    task_client: TaskClient,
 }

 impl SentNotificationListener {
    pub(super) fn new(
        sent_notifier: SentPacketNotificationReceiver,
        action_sender: AckActionSender,
-        task_client: TaskClient,
    ) -> Self {
        SentNotificationListener {
            sent_notifier,
            action_sender,
-            task_client,
        }
    }

@@ -36,37 +32,18 @@ impl SentNotificationListener {
            trace!("sent off a cover message - no need to start retransmission timer!");
            return;
        }
-        if let Err(err) = self
+        let _ = self
            .action_sender
-            .unbounded_send(Action::new_start_timer(frag_id))
-        {
-            if !self.task_client.is_shutdown_poll() {
-                error!("Failed to send start timer action to action controller: {err}");
-            }
-        }
+            .unbounded_send(Action::new_start_timer(frag_id));
    }

-    pub(super) async fn run(&mut self) {
+    pub(crate) async fn run(&mut self) {
        debug!("Started SentNotificationListener with graceful shutdown support");

-        while !self.task_client.is_shutdown() {
-            tokio::select! {
-                frag_id = self.sent_notifier.next() => match frag_id {
-                    Some(frag_id) => {
-                        self.on_sent_message(frag_id).await;
-                    }
-                    None => {
-                        tracing::trace!("SentNotificationListener: Stopping since channel closed");
-                        break;
-                    }
-                },
-                _ = self.task_client.recv() => {
-                    tracing::trace!("SentNotificationListener: Received shutdown");
-                    break;
-                }
-            }
+        while let Some(frag_id) = self.sent_notifier.next().await {
+            self.on_sent_message(frag_id).await;
        }
-        assert!(self.task_client.is_shutdown_poll());
+
        tracing::debug!("SentNotificationListener: Exiting");
    }
 }
@@ -20,14 +20,14 @@ use nym_sphinx::params::{PacketSize, PacketType};
 use nym_sphinx::preparer::{MessagePreparer, PreparedFragment};
 use nym_sphinx::Delay;
 use nym_task::connections::TransmissionLane;
-use nym_task::TaskClient;
+use nym_task::ShutdownToken;
 use nym_topology::{NymRouteProvider, NymTopologyError};
 use rand::{CryptoRng, Rng};
 use std::collections::HashMap;
 use std::sync::Arc;
 use std::time::Duration;
 use thiserror::Error;
-use tracing::{debug, error, info, trace, warn};
+use tracing::{debug, error, info, instrument, trace, warn};

 // TODO: move that error elsewhere since it seems to be contaminating different files
 #[derive(Debug, Error)]
@@ -189,7 +189,7 @@ pub(crate) struct MessageHandler<R> {
    topology_access: TopologyAccessor,
    reply_key_storage: SentReplyKeys,
    tag_storage: UsedSenderTags,
-    task_client: TaskClient,
+    shutdown_token: ShutdownToken,
 }

 impl<R> MessageHandler<R>
@@ -205,7 +205,7 @@ where
        topology_access: TopologyAccessor,
        reply_key_storage: SentReplyKeys,
        tag_storage: UsedSenderTags,
-        task_client: TaskClient,
+        shutdown_token: ShutdownToken,
    ) -> Self
    where
        R: Copy,
@@ -228,7 +228,7 @@ where
            topology_access,
            reply_key_storage,
            tag_storage,
-            task_client,
+            shutdown_token,
        }
    }

@@ -476,6 +476,7 @@ where
        self.forward_messages(msgs, lane).await;
    }

+    #[instrument(skip_all)]
    pub(crate) async fn try_send_plain_message(
        &mut self,
        recipient: Recipient,
@@ -483,6 +484,7 @@ where
        lane: TransmissionLane,
        packet_type: PacketType,
        max_retransmissions: Option<u32>,
+        trace_id: Option<[u8; 12]>,
    ) -> Result<(), PreparationError> {
        let message = NymMessage::new_plain(message);
        self.try_split_and_send_non_reply_message(
@@ -491,10 +493,12 @@ where
            lane,
            packet_type,
            max_retransmissions,
+            trace_id,
        )
        .await
    }

+    #[instrument(skip_all)]
    pub(crate) async fn try_split_and_send_non_reply_message(
        &mut self,
        message: NymMessage,
@@ -502,6 +506,7 @@ where
        lane: TransmissionLane,
        packet_type: PacketType,
        max_retransmissions: Option<u32>,
+        trace_id: Option<[u8; 12]>,
    ) -> Result<(), PreparationError> {
        debug!("Sending non-reply message with packet type {packet_type}");
        // TODO: I really dislike existence of this assertion, it implies code has to be re-organised
@@ -534,6 +539,7 @@ where
                &self.config.ack_key,
                &recipient,
                packet_type,
+                trace_id
            )?;

            let real_message = RealMessage::new(
@@ -585,6 +591,7 @@ where
            TransmissionLane::AdditionalReplySurbs,
            packet_type,
            max_retransmissions,
+            None,
        )
        .await?;

@@ -602,6 +609,7 @@ where
        lane: TransmissionLane,
        packet_type: PacketType,
        max_retransmissions: Option<u32>,
+        trace_id: Option<[u8; 12]>,
    ) -> Result<(), SurbWrappedPreparationError> {
        debug!("Sending message with reply SURBs with packet type {packet_type}");
        let sender_tag = self.get_or_create_sender_tag(&recipient);
@@ -625,6 +633,7 @@ where
            lane,
            packet_type,
            max_retransmissions,
+            trace_id,
        )
        .await?;

@@ -639,6 +648,7 @@ where
        recipient: Recipient,
        chunk: Fragment,
        packet_type: PacketType,
+        trace_id: Option<[u8; 12]>,
    ) -> Result<PreparedFragment, PreparationError> {
        debug!("Sending single chunk with packet type {packet_type}");
        let topology_permit = self.topology_access.get_read_permit().await;
@@ -650,6 +660,7 @@ where
            &self.config.ack_key,
            &recipient,
            packet_type,
+            trace_id,
        )?;

        Ok(prepared_fragment)
@@ -712,7 +723,7 @@ where
            .action_sender
            .unbounded_send(Action::UpdatePendingAck(id, new_delay))
        {
-            if !self.task_client.is_shutdown_poll() {
+            if !self.shutdown_token.is_cancelled() {
                error!("Failed to send update action to the controller: {err}");
            }
        }
@@ -723,7 +734,7 @@ where
            .action_sender
            .unbounded_send(Action::new_insert(pending_acks))
        {
-            if !self.task_client.is_shutdown_poll() {
+            if !self.shutdown_token.is_cancelled() {
                error!("Failed to send insert action to the controller: {err}");
            }
        }
@@ -737,7 +748,7 @@ where
    ) {
        tokio::select! {
            biased;
-            _ = self.task_client.recv() => {
+            _ = self.shutdown_token.cancelled() => {
                trace!("received shutdown while attempting to forward mixnet messages");
            }
            sending_res = self.real_message_sender.send((messages, transmission_lane)) => {
@@ -14,26 +14,21 @@ use crate::client::replies::reply_controller::{
    ReplyController, ReplyControllerReceiver, ReplyControllerSender,
 };
 use crate::client::replies::reply_storage::CombinedReplyStorage;
-use crate::config;
-use crate::{
-    client::{
-        inbound_messages::InputMessageReceiver, mix_traffic::BatchMixMessageSender,
-        real_messages_control::acknowledgement_control::AcknowledgementControllerConnectors,
-        topology_control::TopologyAccessor,
-    },
-    spawn_future,
+use crate::client::{
+    inbound_messages::InputMessageReceiver, mix_traffic::BatchMixMessageSender,
+    real_messages_control::acknowledgement_control::AcknowledgementControllerConnectors,
+    topology_control::TopologyAccessor,
 };
+use crate::config;
 use futures::channel::mpsc;
 use nym_gateway_client::AcknowledgementReceiver;
 use nym_sphinx::acknowledgements::AckKey;
 use nym_sphinx::addressing::clients::Recipient;
-use nym_sphinx::params::PacketType;
 use nym_statistics_common::clients::ClientStatsSender;
 use nym_task::connections::{ConnectionCommandReceiver, LaneQueueLengths};
-use nym_task::TaskClient;
+use nym_task::ShutdownToken;
 use rand::{rngs::OsRng, CryptoRng, Rng};
 use std::sync::Arc;
-use tracing::*;

 use crate::client::replies::reply_controller::key_rotation_helpers::KeyRotationConfig;
 pub(crate) use acknowledgement_control::{AckActionSender, Action};
@@ -69,6 +64,7 @@ impl<'a> From<&'a Config> for acknowledgement_control::Config {
            cfg.traffic.maximum_number_of_retransmissions,
            cfg.acks.ack_wait_addition,
            cfg.acks.ack_wait_multiplier,
+            cfg.traffic.packet_type,
        )
        .with_custom_packet_size(cfg.traffic.primary_packet_size)
    }
@@ -146,7 +142,7 @@ impl RealMessagesController<OsRng> {
        lane_queue_lengths: LaneQueueLengths,
        client_connection_rx: ConnectionCommandReceiver,
        stats_tx: ClientStatsSender,
-        task_client: TaskClient,
+        shutdown_token: ShutdownToken,
    ) -> Self {
        let rng = OsRng;

@@ -178,7 +174,7 @@ impl RealMessagesController<OsRng> {
            topology_access.clone(),
            reply_storage.key_storage(),
            reply_storage.tags_storage(),
-            task_client.fork("message_handler"),
+            shutdown_token.clone(),
        );

        let ack_control = AcknowledgementController::new(
@@ -188,7 +184,6 @@ impl RealMessagesController<OsRng> {
            message_handler.clone(),
            reply_controller_sender,
            stats_tx.clone(),
-            task_client.fork("ack_control"),
        );

        let reply_control = ReplyController::new(
@@ -196,7 +191,6 @@ impl RealMessagesController<OsRng> {
            message_handler,
            reply_storage,
            reply_controller_receiver,
-            task_client.fork("reply_controller"),
        );

        let out_queue_control = OutQueueControl::new(
@@ -209,7 +203,7 @@ impl RealMessagesController<OsRng> {
            lane_queue_lengths,
            client_connection_rx,
            stats_tx,
-            task_client.with_suffix("out_queue_control"),
+            shutdown_token.clone(),
        );

        RealMessagesController {
@@ -219,26 +213,13 @@ impl RealMessagesController<OsRng> {
        }
    }

-    pub fn start(self, packet_type: PacketType) {
-        let mut out_queue_control = self.out_queue_control;
-        let ack_control = self.ack_control;
-        let mut reply_control = self.reply_control;
-
-        spawn_future!(
-            async move {
-                out_queue_control.run().await;
-                debug!("The out queue controller has finished execution!");
-            },
-            "RealMessagesController::OutQueueControl)"
-        );
-        spawn_future!(
-            async move {
-                reply_control.run().await;
-                debug!("The reply controller has finished execution!");
-            },
-            "RealMessagesController::ReplyController"
-        );
-
-        ack_control.start(packet_type);
+    pub fn into_tasks(
+        self,
+    ) -> (
+        OutQueueControl<OsRng>,
+        ReplyController<OsRng>,
+        AcknowledgementController<OsRng>,
+    ) {
+        (self.out_queue_control, self.reply_control, self.ack_control)
    }
 }
@@ -21,7 +21,7 @@ use nym_statistics_common::clients::{packet_statistics::PacketStatisticsEvent, C
 use nym_task::connections::{
    ConnectionCommand, ConnectionCommandReceiver, ConnectionId, LaneQueueLengths, TransmissionLane,
 };
-use nym_task::TaskClient;
+use nym_task::ShutdownToken;
 use rand::{CryptoRng, Rng};
 use std::pin::Pin;
 use std::sync::Arc;
@@ -119,7 +119,7 @@ where
    /// Channel used for sending metrics events (specifically `PacketStatistics` events) to the metrics tracker.
    stats_tx: ClientStatsSender,

-    task_client: TaskClient,
+    shutdown_token: ShutdownToken,
 }

 #[derive(Debug)]
@@ -179,7 +179,7 @@ where
        lane_queue_lengths: LaneQueueLengths,
        client_connection_rx: ConnectionCommandReceiver,
        stats_tx: ClientStatsSender,
-        task_client: TaskClient,
+        shutdown_token: ShutdownToken,
    ) -> Self {
        OutQueueControl {
            config,
@@ -194,7 +194,7 @@ where
            client_connection_rx,
            lane_queue_lengths,
            stats_tx,
-            task_client,
+            shutdown_token,
        }
    }

@@ -282,7 +282,7 @@ where

        let sending_res = tokio::select! {
            biased;
-            _ = self.task_client.recv() => {
+            _ = self.shutdown_token.cancelled() => {
                trace!("received shutdown signal while attempting to send mix message");
                return
            }
@@ -293,7 +293,7 @@ where

        match sending_res {
            Err(_) => {
-                if !self.task_client.is_shutdown_poll() {
+                if !self.shutdown_token.is_cancelled() {
                    tracing::error!(
                        "failed to send mixnet packet due to closed channel (outside of shutdown!)"
                    );
@@ -536,9 +536,7 @@ where
    }

    #[cfg(not(target_arch = "wasm32"))]
-    fn log_status(&self, shutdown: &mut TaskClient) {
-        use crate::error::ClientCoreStatusMessage;
-
+    fn log_status(&self) {
        let packets = self.transmission_buffer.total_size();
        let lanes = self.transmission_buffer.lanes();
        let mult = self.sending_delay_controller.current_multiplier();
@@ -567,32 +565,33 @@ where
            tracing::debug!("{status_str}");
        }

-        // Send status message to whoever is listening (possibly UI)
-        if mult == self.sending_delay_controller.max_multiplier() {
-            shutdown.send_status_msg(Box::new(ClientCoreStatusMessage::GatewayIsVerySlow));
-        } else if mult > self.sending_delay_controller.min_multiplier() {
-            shutdown.send_status_msg(Box::new(ClientCoreStatusMessage::GatewayIsSlow));
-        }
+        // leave the code commented in case somebody wanted to restore this logic with a different channel
+        // // Send status message to whoever is listening (possibly UI)
+        // if mult == self.sending_delay_controller.max_multiplier() {
+        //     shutdown.send_status_msg(Box::new(ClientCoreStatusMessage::GatewayIsVerySlow));
+        // } else if mult > self.sending_delay_controller.min_multiplier() {
+        //     shutdown.send_status_msg(Box::new(ClientCoreStatusMessage::GatewayIsSlow));
+        // }
    }

-    pub(super) async fn run(&mut self) {
+    pub(crate) async fn run(&mut self) {
        debug!("Started OutQueueControl with graceful shutdown support");

-        let mut shutdown = self.task_client.fork("select");
-
+        // avoid borrow on self
+        let shutdown_token = self.shutdown_token.clone();
        #[cfg(not(target_arch = "wasm32"))]
        {
            let mut status_timer = tokio::time::interval(Duration::from_secs(5));

-            while !shutdown.is_shutdown() {
+            loop {
                tokio::select! {
                    biased;
-                    _ = shutdown.recv() => {
+                    _ = shutdown_token.cancelled() => {
                        tracing::trace!("OutQueueControl: Received shutdown");
                        break;
                    }
                    _ = status_timer.tick() => {
-                        self.log_status(&mut shutdown);
+                        self.log_status();
                    }
                    next_message = self.next() => if let Some(next_message) = next_message {
                        self.on_message(next_message).await;
@@ -602,16 +601,16 @@ where
                    }
                }
            }
-            shutdown.recv_timeout().await;
        }

        #[cfg(target_arch = "wasm32")]
        {
-            while !shutdown.is_shutdown() {
+            loop {
                tokio::select! {
                    biased;
-                    _ = shutdown.recv() => {
+                    _ = shutdown_token.cancelled() => {
                        tracing::trace!("OutQueueControl: Received shutdown");
+                        break;
                    }
                    next_message = self.next() => if let Some(next_message) = next_message {
                        self.on_message(next_message).await;
@@ -83,11 +83,13 @@ impl SendingDelayController {
        self.current_multiplier
    }

+    #[allow(dead_code)]
    #[cfg(not(target_arch = "wasm32"))]
    pub(crate) fn min_multiplier(&self) -> u32 {
        self.lower_bound
    }

+    #[allow(dead_code)]
    #[cfg(not(target_arch = "wasm32"))]
    pub(crate) fn max_multiplier(&self) -> u32 {
        self.upper_bound
@@ -1,10 +1,10 @@
 // Copyright 2021 - Nym Technologies SA <contact@nymtech.net>
 // SPDX-License-Identifier: Apache-2.0

+use crate::client::helpers::get_time_now;
 use crate::client::replies::{
    reply_controller::ReplyControllerSender, reply_storage::SentReplyKeys,
 };
-use crate::spawn_future;
 use futures::channel::mpsc;
 use futures::lock::Mutex;
 use futures::StreamExt;
@@ -19,10 +19,10 @@ use nym_sphinx::message::{NymMessage, PlainMessage};
 use nym_sphinx::params::ReplySurbKeyDigestAlgorithm;
 use nym_sphinx::receiver::{MessageReceiver, MessageRecoveryError, ReconstructedMessage};
 use nym_statistics_common::clients::{packet_statistics::PacketStatisticsEvent, ClientStatsSender};
-use nym_task::TaskClient;
+use nym_task::ShutdownToken;
 use std::collections::HashSet;
 use std::sync::Arc;
-use std::time::{Duration, Instant};
+use std::time::Duration;
 use tracing::*;

 // The interval at which we check for stale buffers
@@ -54,7 +54,7 @@ struct ReceivedMessagesBufferInner<R: MessageReceiver> {
    stats_tx: ClientStatsSender,

    // Periodically check for stale buffers to clean up
-    last_stale_check: Instant,
+    last_stale_check: crate::client::helpers::Instant,
 }

 impl<R: MessageReceiver> ReceivedMessagesBufferInner<R> {
@@ -154,7 +154,7 @@ impl<R: MessageReceiver> ReceivedMessagesBufferInner<R> {
    }

    fn cleanup_stale_buffers(&mut self) {
-        let now = Instant::now();
+        let now = get_time_now();
        if now - self.last_stale_check > STALE_BUFFER_CHECK_INTERVAL {
            self.last_stale_check = now;
            self.message_receiver
@@ -171,7 +171,7 @@ struct ReceivedMessagesBuffer<R: MessageReceiver> {
    inner: Arc<Mutex<ReceivedMessagesBufferInner<R>>>,
    reply_key_storage: SentReplyKeys,
    reply_controller_sender: ReplyControllerSender,
-    task_client: TaskClient,
+    shutdown_token: ShutdownToken,
 }

 impl<R: MessageReceiver> ReceivedMessagesBuffer<R> {
@@ -180,7 +180,7 @@ impl<R: MessageReceiver> ReceivedMessagesBuffer<R> {
        reply_key_storage: SentReplyKeys,
        reply_controller_sender: ReplyControllerSender,
        stats_tx: ClientStatsSender,
-        task_client: TaskClient,
+        shutdown_token: ShutdownToken,
    ) -> Self {
        ReceivedMessagesBuffer {
            inner: Arc::new(Mutex::new(ReceivedMessagesBufferInner {
@@ -190,11 +190,11 @@ impl<R: MessageReceiver> ReceivedMessagesBuffer<R> {
                message_sender: None,
                recently_reconstructed: HashSet::new(),
                stats_tx,
-                last_stale_check: Instant::now(),
+                last_stale_check: get_time_now(),
            })),
            reply_key_storage,
            reply_controller_sender,
-            task_client,
+            shutdown_token,
        }
    }

@@ -315,7 +315,7 @@ impl<R: MessageReceiver> ReceivedMessagesBuffer<R> {
                    reply_surbs,
                    from_surb_request,
                ) {
-                    if !self.task_client.is_shutdown_poll() {
+                    if !self.shutdown_token.is_cancelled() {
                        error!("{err}");
                    }
                }
@@ -338,7 +338,7 @@ impl<R: MessageReceiver> ReceivedMessagesBuffer<R> {
                        .reply_controller_sender
                        .send_additional_surbs_request(*recipient, amount)
                    {
-                        if !self.task_client.is_shutdown_poll() {
+                        if !self.shutdown_token.is_cancelled() {
                            error!("{err}");
                        }
                    }
@@ -465,22 +465,22 @@ pub enum ReceivedBufferMessage {
    ReceiverDisconnect,
 }

-struct RequestReceiver<R: MessageReceiver> {
+pub(crate) struct RequestReceiver<R: MessageReceiver> {
    received_buffer: ReceivedMessagesBuffer<R>,
    query_receiver: ReceivedBufferRequestReceiver,
-    task_client: TaskClient,
+    shutdown_token: ShutdownToken,
 }

 impl<R: MessageReceiver> RequestReceiver<R> {
    fn new(
        received_buffer: ReceivedMessagesBuffer<R>,
        query_receiver: ReceivedBufferRequestReceiver,
-        task_client: TaskClient,
+        shutdown_token: ShutdownToken,
    ) -> Self {
        RequestReceiver {
            received_buffer,
            query_receiver,
-            task_client,
+            shutdown_token,
        }
    }

@@ -495,66 +495,70 @@ impl<R: MessageReceiver> RequestReceiver<R> {
        }
    }

-    async fn run(&mut self) {
+    pub(crate) async fn run(&mut self) {
        debug!("Started RequestReceiver with graceful shutdown support");
-        while !self.task_client.is_shutdown() {
+        loop {
            tokio::select! {
                biased;
-                _ = self.task_client.recv() => {
+                _ = self.shutdown_token.cancelled() => {
                    tracing::trace!("RequestReceiver: Received shutdown");
+                    break;
                }
                request = self.query_receiver.next() => {
                    if let Some(message) = request {
                        self.handle_message(message).await
                    } else {
                        tracing::trace!("RequestReceiver: Stopping since channel closed");
+                        self.shutdown_token.cancelled().await;
                        break;
                    }
                },
            }
        }
-        self.task_client.recv().await;
        tracing::debug!("RequestReceiver: Exiting");
    }
 }

-struct FragmentedMessageReceiver<R: MessageReceiver> {
+pub(crate) struct FragmentedMessageReceiver<R: MessageReceiver> {
    received_buffer: ReceivedMessagesBuffer<R>,
    mixnet_packet_receiver: MixnetMessageReceiver,
-    task_client: TaskClient,
+    shutdown_token: ShutdownToken,
 }

 impl<R: MessageReceiver> FragmentedMessageReceiver<R> {
    fn new(
        received_buffer: ReceivedMessagesBuffer<R>,
        mixnet_packet_receiver: MixnetMessageReceiver,
-        task_client: TaskClient,
+        shutdown_token: ShutdownToken,
    ) -> Self {
        FragmentedMessageReceiver {
            received_buffer,
            mixnet_packet_receiver,
-            task_client,
+            shutdown_token,
        }
    }

-    async fn run(&mut self) -> Result<(), MessageRecoveryError> {
+    pub(crate) async fn run(&mut self) -> Result<(), MessageRecoveryError> {
        debug!("Started FragmentedMessageReceiver with graceful shutdown support");
-        while !self.task_client.is_shutdown() {
+        loop {
            tokio::select! {
+                biased;
+                _ = self.shutdown_token.cancelled() => {
+                    tracing::trace!("FragmentedMessageReceiver: Received shutdown");
+                    break;
+                }
                new_messages = self.mixnet_packet_receiver.next() => {
                    if let Some(new_messages) = new_messages {
                        self.received_buffer.handle_new_received(new_messages).await?;
                    } else {
                        tracing::trace!("FragmentedMessageReceiver: Stopping since channel closed");
+                        self.shutdown_token.cancelled().await;
                        break;
                    }
                },
-                _ = self.task_client.recv_with_delay() => {
-                    tracing::trace!("FragmentedMessageReceiver: Received shutdown");
-                }
+
            }
        }
-        self.task_client.recv_timeout().await;
        tracing::debug!("FragmentedMessageReceiver: Exiting");
        Ok(())
    }
@@ -573,48 +577,31 @@ impl<R: MessageReceiver + Clone + Send + 'static> ReceivedMessagesBufferControll
        reply_key_storage: SentReplyKeys,
        reply_controller_sender: ReplyControllerSender,
        metrics_reporter: ClientStatsSender,
-        task_client: TaskClient,
+        shutdown_token: ShutdownToken,
    ) -> Self {
        let received_buffer = ReceivedMessagesBuffer::new(
            local_encryption_keypair,
            reply_key_storage,
            reply_controller_sender,
            metrics_reporter,
-            task_client.fork("received_messages_buffer"),
+            shutdown_token.clone(),
        );

        ReceivedMessagesBufferController {
            fragmented_message_receiver: FragmentedMessageReceiver::new(
                received_buffer.clone(),
                mixnet_packet_receiver,
-                task_client.fork("fragmented_message_receiver"),
+                shutdown_token.clone(),
            ),
            request_receiver: RequestReceiver::new(
                received_buffer,
                query_receiver,
-                task_client.with_suffix("request_receiver"),
+                shutdown_token.clone(),
            ),
        }
    }

-    pub fn start(self) {
-        let mut fragmented_message_receiver = self.fragmented_message_receiver;
-        let mut request_receiver = self.request_receiver;
-
-        spawn_future!(
-            async move {
-                match fragmented_message_receiver.run().await {
-                    Ok(_) => {}
-                    Err(e) => error!("{e}"),
-                }
-            },
-            "ReceivedMessagesBufferController::FragmentedMessageReceiver"
-        );
-        spawn_future!(
-            async move {
-                request_receiver.run().await;
-            },
-            "ReceivedMessagesBufferController::RequestReceiver"
-        );
+    pub(crate) fn into_tasks(self) -> (FragmentedMessageReceiver<R>, RequestReceiver<R>) {
+        (self.fragmented_message_receiver, self.request_receiver)
    }
 }
@@ -7,7 +7,7 @@ use crate::client::replies::reply_controller::key_rotation_helpers::KeyRotationC
 use crate::client::replies::reply_storage::CombinedReplyStorage;
 use crate::config;
 use futures::StreamExt;
-use nym_task::TaskClient;
+use nym_task::ShutdownToken;
 use rand::rngs::OsRng;
 use rand::{CryptoRng, Rng};
 use std::time::Duration;
@@ -60,9 +60,6 @@ pub struct ReplyController<R> {
    receiver_controller: ReceiverReplyController<R>,

    request_receiver: ReplyControllerReceiver,
-
-    // Listen for shutdown signals
-    task_client: TaskClient,
 }

 impl ReplyController<OsRng> {
@@ -71,7 +68,6 @@ impl ReplyController<OsRng> {
        message_handler: MessageHandler<OsRng>,
        full_reply_storage: CombinedReplyStorage,
        request_receiver: ReplyControllerReceiver,
-        task_client: TaskClient,
    ) -> Self {
        ReplyController {
            config,
@@ -86,7 +82,6 @@ impl ReplyController<OsRng> {
                message_handler,
            ),
            request_receiver,
-            task_client,
        }
    }
 }
@@ -148,22 +143,21 @@ where
        self.sender_controller.inspect_and_clear_stale_data(now)
    }

-    pub(crate) async fn run(&mut self) {
+    pub(crate) async fn run(&mut self, shutdown_token: ShutdownToken) {
        debug!("Started ReplyController with graceful shutdown support");

-        let mut shutdown = self.task_client.fork("reply-controller");
-
        let polling_rate = Duration::from_secs(5);
        let mut stale_inspection = new_interval_stream(polling_rate);

        let polling_rate = self.config.key_rotation.epoch_duration / 8;
        let mut invalidation_inspection = new_interval_stream(polling_rate);

-        while !shutdown.is_shutdown() {
+        loop {
            tokio::select! {
                biased;
-                _ = shutdown.recv() => {
+                _ = shutdown_token.cancelled() => {
                    tracing::trace!("ReplyController: Received shutdown");
+                    break;
                },
                req = self.request_receiver.next() => match req {
                    Some(req) => self.handle_request(req).await,
@@ -181,7 +175,6 @@ where
                }
            }
        }
-        assert!(shutdown.is_shutdown_poll());
        tracing::debug!("ReplyController: Exiting");
    }
 }
@@ -16,21 +16,17 @@
 #![warn(clippy::todo)]
 #![warn(clippy::dbg_macro)]

+use crate::client::inbound_messages::{InputMessage, InputMessageSender};
 use futures::StreamExt;
 use nym_client_core_config_types::StatsReporting;
 use nym_sphinx::addressing::Recipient;
 use nym_statistics_common::clients::{
    ClientStatsController, ClientStatsReceiver, ClientStatsSender,
 };
-use nym_task::{connections::TransmissionLane, TaskClient};
+use nym_task::{connections::TransmissionLane, ShutdownToken, ShutdownTracker};
 use std::time::Duration;

-use crate::{
-    client::inbound_messages::{InputMessage, InputMessageSender},
-    spawn_future,
-};
-
-/// Time interval between reporting statistics locally (logging/task_client)
+/// Time interval between reporting statistics locally (logging/shutdown_token)
 const LOCAL_REPORT_INTERVAL: Duration = Duration::from_secs(2);
 /// Interval for taking snapshots of the statistics
 const SNAPSHOT_INTERVAL: Duration = Duration::from_millis(500);
@@ -51,9 +47,6 @@ pub(crate) struct StatisticsControl {

    /// Config for stats reporting (enabled, address, interval)
    reporting_config: StatsReporting,
-
-    /// Task client for listening for shutdown
-    task_client: TaskClient,
 }

 impl StatisticsControl {
@@ -62,24 +55,20 @@ impl StatisticsControl {
        client_type: String,
        client_stats_id: String,
        report_tx: InputMessageSender,
-        task_client: TaskClient,
+        shutdown_token: ShutdownToken,
    ) -> (Self, ClientStatsSender) {
        let (stats_tx, stats_rx) = tokio::sync::mpsc::unbounded_channel();

        let stats = ClientStatsController::new(client_stats_id, client_type);

-        let mut task_client_stats_sender = task_client.fork("stats_sender");
-        task_client_stats_sender.disarm();
-
        (
            StatisticsControl {
                stats,
                stats_rx,
                report_tx,
                reporting_config,
-                task_client,
            },
-            ClientStatsSender::new(Some(stats_tx), task_client_stats_sender),
+            ClientStatsSender::new(Some(stats_tx), shutdown_token),
        )
    }

@@ -91,6 +80,7 @@ impl StatisticsControl {
            stats_report.into(),
            TransmissionLane::General,
            None,
+            None,
        );
        if let Err(err) = self.report_tx.send(report_message).await {
            tracing::error!("Failed to report client stats: {err:?}");
@@ -99,7 +89,8 @@ impl StatisticsControl {
        }
    }

-    async fn run(&mut self) {
+    // manually control the shutdown mechanism as we don't want to get interrupted mid-snapshot
+    pub async fn run(&mut self, shutdown_token: ShutdownToken) {
        tracing::debug!("Started StatisticsControl with graceful shutdown support");

        #[cfg(not(target_arch = "wasm32"))]
@@ -129,10 +120,10 @@ impl StatisticsControl {
        let mut snapshot_interval =
            gloo_timers::future::IntervalStream::new(SNAPSHOT_INTERVAL.as_millis() as u32);

-        while !self.task_client.is_shutdown() {
+        loop {
            tokio::select! {
                biased;
-                _ = self.task_client.recv() => {
+                _ = shutdown_token.cancelled() => {
                    tracing::trace!("StatisticsControl: Received shutdown");
                    break;
                },
@@ -157,37 +148,34 @@ impl StatisticsControl {
                }

                _ = local_report_interval.next() => {
-                    self.stats.local_report(&mut self.task_client);
+                    self.stats.local_report();
                }
            }
        }
        tracing::debug!("StatisticsControl: Exiting");
    }

-    pub(crate) fn start(mut self) {
-        spawn_future!(
-            async move {
-                self.run().await;
-            },
-            "StatisticsControl"
-        )
-    }
-
    pub(crate) fn create_and_start(
        reporting_config: StatsReporting,
        client_type: String,
        client_stats_id: String,
        report_tx: InputMessageSender,
-        task_client: TaskClient,
+        shutdown_tracker: &ShutdownTracker,
    ) -> ClientStatsSender {
-        let (controller, sender) = Self::create(
+        let (mut controller, sender) = Self::create(
            reporting_config,
            client_type,
            client_stats_id,
            report_tx,
-            task_client,
+            shutdown_tracker.child_shutdown_token(),
+        );
+        let shutdown_token = shutdown_tracker.clone_shutdown_token();
+        shutdown_tracker.try_spawn_named(
+            async move {
+                controller.run(shutdown_token).await;
+            },
+            "StatisticsControl",
        );
-        controller.start();
        sender
    }
 }
@@ -1,11 +1,9 @@
 // Copyright 2021-2023 - Nym Technologies SA <contact@nymtech.net>
 // SPDX-License-Identifier: Apache-2.0

-use crate::spawn_future;
 pub(crate) use accessor::{TopologyAccessor, TopologyReadPermit};
 use futures::StreamExt;
 use nym_sphinx::addressing::nodes::NodeIdentity;
-use nym_task::TaskClient;
 use nym_topology::NymTopologyError;
 use std::time::Duration;
 use tracing::*;
@@ -41,8 +39,6 @@ pub struct TopologyRefresher {

    refresh_rate: Duration,
    consecutive_failure_count: usize,
-
-    task_client: TaskClient,
 }

 impl TopologyRefresher {
@@ -50,14 +46,12 @@ impl TopologyRefresher {
        cfg: TopologyRefresherConfig,
        topology_accessor: TopologyAccessor,
        topology_provider: Box<dyn TopologyProvider + Send + Sync>,
-        task_client: TaskClient,
    ) -> Self {
        TopologyRefresher {
            topology_provider,
            topology_accessor,
            refresh_rate: cfg.refresh_rate,
            consecutive_failure_count: 0,
-            task_client,
        }
    }

@@ -144,40 +138,30 @@ impl TopologyRefresher {
        }
    }

-    pub fn start(mut self) {
-        spawn_future!(
-            async move {
-                debug!("Started TopologyRefresher with graceful shutdown support");
+    // it's perfectly fine if task is interrupted mid-refresh
+    // there's no data to persist or send over
+    pub async fn run(&mut self) {
+        debug!("Started TopologyRefresher with graceful shutdown support");

-                #[cfg(not(target_arch = "wasm32"))]
-                let mut interval = tokio_stream::wrappers::IntervalStream::new(
-                    tokio::time::interval(self.refresh_rate),
-                );
+        #[cfg(not(target_arch = "wasm32"))]
+        let mut interval =
+            tokio_stream::wrappers::IntervalStream::new(tokio::time::interval(self.refresh_rate));

-                #[cfg(target_arch = "wasm32")]
-                let mut interval =
-                    gloo_timers::future::IntervalStream::new(self.refresh_rate.as_millis() as u32);
+        #[cfg(target_arch = "wasm32")]
+        let mut interval =
+            gloo_timers::future::IntervalStream::new(self.refresh_rate.as_millis() as u32);

-                // We already have an initial topology, so no need to refresh it immediately.
-                // My understanding is that js setInterval does not fire immediately, so it's not
-                // needed there.
-                #[cfg(not(target_arch = "wasm32"))]
-                interval.next().await;
+        // We already have an initial topology, so no need to refresh it immediately.
+        // My understanding is that js setInterval does not fire immediately, so it's not
+        // needed there.
+        #[cfg(not(target_arch = "wasm32"))]
+        interval.next().await;

-                while !self.task_client.is_shutdown() {
-                    tokio::select! {
-                        _ = interval.next() => {
-                            self.try_refresh().await;
-                        },
-                        _ = self.task_client.recv() => {
-                            tracing::trace!("TopologyRefresher: Received shutdown");
-                        },
-                    }
-                }
-                self.task_client.recv_timeout().await;
-                tracing::debug!("TopologyRefresher: Exiting");
-            },
-            "TopologyRefresher"
-        )
+        while interval.next().await.is_some() {
+            self.try_refresh().await;
+        }
+
+        // this should never get triggered
+        error!("topology refresher interval has been exhausted!")
    }
 }
@@ -2,8 +2,10 @@
 // SPDX-License-Identifier: Apache-2.0

 use async_trait::async_trait;
+use nym_mixnet_contract_common::EpochRewardedSet;
 use nym_topology::provider_trait::{ToTopologyMetadata, TopologyProvider};
 use nym_topology::NymTopology;
+use nym_validator_client::nym_api::NymApiClientExt;
 use rand::prelude::SliceRandom;
 use rand::thread_rng;
 use std::cmp::min;
@@ -39,30 +41,43 @@ impl Config {
 pub struct NymApiTopologyProvider {
    config: Config,

-    validator_client: nym_validator_client::client::NymApiClient,
+    validator_client: nym_http_api_client::Client,
    nym_api_urls: Vec<Url>,
    currently_used_api: usize,
+    use_bincode: bool,
 }

 impl NymApiTopologyProvider {
    pub fn new(
        config: impl Into<Config>,
        mut nym_api_urls: Vec<Url>,
-        mut validator_client: nym_validator_client::client::NymApiClient,
+        validator_client: nym_http_api_client::Client,
    ) -> Self {
        nym_api_urls.shuffle(&mut thread_rng());
-        validator_client.change_nym_api(nym_api_urls[0].clone());
-
-        NymApiTopologyProvider {
+        let mut provider = NymApiTopologyProvider {
            config: config.into(),
            validator_client,
            nym_api_urls,
            currently_used_api: 0,
-        }
+            use_bincode: true,
+        };
+        // Set all API URLs - the client will try them in order with automatic failover
+        provider.validator_client.change_base_urls(
+            provider
+                .nym_api_urls
+                .iter()
+                .map(|u| u.clone().into())
+                .collect(),
+        );
+        provider
    }

    pub fn disable_bincode(&mut self) {
-        self.validator_client.use_bincode = false;
+        self.use_bincode = false;
+        // Note: The unified client doesn't support toggling bincode after creation.
+        // This would require recreating the client without bincode.
+        // For now, we'll track the preference but it won't take effect.
+        warn!("Disabling bincode on existing client is not currently supported");
    }

    fn use_next_nym_api(&mut self) {
@@ -72,8 +87,19 @@ impl NymApiTopologyProvider {
        }

        self.currently_used_api = (self.currently_used_api + 1) % self.nym_api_urls.len();
-        self.validator_client
-            .change_nym_api(self.nym_api_urls[self.currently_used_api].clone())
+
+        // Provide all URLs starting from the next one in rotation order
+        // This enables automatic failover to other endpoints
+        let rotated_urls: Vec<_> = self
+            .nym_api_urls
+            .iter()
+            .cycle()
+            .skip(self.currently_used_api)
+            .take(self.nym_api_urls.len())
+            .map(|u| u.clone().into())
+            .collect();
+
+        self.validator_client.change_base_urls(rotated_urls)
    }

    async fn get_current_compatible_topology(&mut self) -> Option<NymTopology> {
@@ -99,8 +125,13 @@ impl NymApiTopologyProvider {
                .filter(|n| n.performance.round_to_integer() >= self.config.min_node_performance())
                .collect::<Vec<_>>();

-            NymTopology::new(metadata.to_topology_metadata(), rewarded_set, Vec::new())
-                .with_skimmed_nodes(&nodes_filtered)
+            let epoch_rewarded_set: EpochRewardedSet = rewarded_set.into();
+            NymTopology::new(
+                metadata.to_topology_metadata(),
+                epoch_rewarded_set,
+                Vec::new(),
+            )
+            .with_skimmed_nodes(&nodes_filtered)
        } else {
            // if we're not using extended topology, we're only getting active set mixnodes and gateways

@@ -148,8 +179,13 @@ impl NymApiTopologyProvider {
                }
            }

-            NymTopology::new(metadata.to_topology_metadata(), rewarded_set, Vec::new())
-                .with_skimmed_nodes(&nodes)
+            let epoch_rewarded_set: EpochRewardedSet = rewarded_set.into();
+            NymTopology::new(
+                metadata.to_topology_metadata(),
+                epoch_rewarded_set,
+                Vec::new(),
+            )
+            .with_skimmed_nodes(&nodes)
        };

        if !topology.is_minimally_routable() {
@@ -4,6 +4,7 @@
 use crate::client::mix_traffic::transceiver::ErasedGatewayError;
 use nym_crypto::asymmetric::ed25519::Ed25519RecoveryError;
 use nym_gateway_client::error::GatewayClientError;
+use nym_task::RegistryAccessError;
 use nym_topology::node::RoutingNodeError;
 use nym_topology::{NodeId, NymTopologyError};
 use nym_validator_client::nym_api::error::NymAPIError;
@@ -56,10 +57,7 @@ pub enum ClientCoreError {
    ListOfNymApisIsEmpty,

    #[error("failed to resolve a query to nym API: {source}")]
-    NymApiQueryFailure {
-        #[from]
-        source: NymAPIError,
-    },
+    NymApiQueryFailure { source: Box<NymAPIError> },

    #[error(
        "the current network topology seem to be insufficient to route any packets through:\n\t{0}"
@@ -245,6 +243,9 @@ pub enum ClientCoreError {

    #[error("failed to select valid gateway due to incomputable latency")]
    GatewaySelectionFailure { source: WeightedError },
+
+    #[error("Could not access task registry, {0}")]
+    RegistryAccess(#[from] RegistryAccessError),
 }

 impl From<tungstenite::Error> for ClientCoreError {
@@ -255,6 +256,14 @@ impl From<tungstenite::Error> for ClientCoreError {
    }
 }

+impl From<NymAPIError> for ClientCoreError {
+    fn from(err: NymAPIError) -> ClientCoreError {
+        ClientCoreError::NymApiQueryFailure {
+            source: Box::new(err),
+        }
+    }
+}
+
 /// Set of messages that the client can send to listeners via the task manager
 #[derive(Debug)]
 pub enum ClientCoreStatusMessage {
@@ -7,7 +7,8 @@ use futures::{SinkExt, StreamExt};
 use nym_crypto::asymmetric::ed25519;
 use nym_gateway_client::GatewayClient;
 use nym_topology::node::RoutingNode;
-use nym_validator_client::client::IdentityKeyRef;
+use nym_validator_client::client::{IdentityKeyRef, NymApiClientExt};
+use nym_validator_client::nym_nodes::SkimmedNodesWithMetadata;
 use nym_validator_client::UserAgent;
 use rand::{seq::SliceRandom, Rng};
 #[cfg(unix)]
@@ -83,6 +84,48 @@ struct GatewayWithLatency<'a, G: ConnectableGateway> {
    latency: Duration,
 }

+// Helper to collect all pages of entry nodes - replicates NymApiClient's convenience method
+async fn get_all_basic_entry_nodes_with_metadata(
+    client: &nym_http_api_client::Client,
+    use_bincode: bool,
+) -> Result<SkimmedNodesWithMetadata, ClientCoreError> {
+    // Get first page to obtain metadata
+    let mut page = 0;
+    let res = client
+        .get_basic_entry_assigned_nodes_v2(false, Some(page), None, use_bincode)
+        .await?;
+    let mut nodes = res.nodes.data;
+    let metadata = res.metadata;
+
+    if res.nodes.pagination.total == nodes.len() {
+        return Ok(SkimmedNodesWithMetadata::new(nodes, metadata));
+    }
+
+    page += 1;
+
+    // Collect remaining pages
+    loop {
+        let mut res = client
+            .get_basic_entry_assigned_nodes_v2(false, Some(page), None, use_bincode)
+            .await?;
+
+        if !metadata.consistency_check(&res.metadata) {
+            return Err(ClientCoreError::ValidatorClientError(
+                nym_validator_client::ValidatorClientError::InconsistentPagedMetadata,
+            ));
+        }
+
+        nodes.append(&mut res.nodes.data);
+        if nodes.len() < res.nodes.pagination.total {
+            page += 1
+        } else {
+            break;
+        }
+    }
+
+    Ok(SkimmedNodesWithMetadata::new(nodes, metadata))
+}
+
 impl<'a, G: ConnectableGateway> GatewayWithLatency<'a, G> {
    fn new(gateway: &'a G, latency: Duration) -> Self {
        GatewayWithLatency { gateway, latency }
@@ -99,16 +142,28 @@ pub async fn gateways_for_init<R: Rng>(
    let nym_api = nym_apis
        .choose(rng)
        .ok_or(ClientCoreError::ListOfNymApisIsEmpty)?;
-    let client = if let Some(user_agent) = user_agent {
-        nym_validator_client::client::NymApiClient::new_with_user_agent(nym_api.clone(), user_agent)
-    } else {
-        nym_validator_client::client::NymApiClient::new(nym_api.clone())
-    };
+
+    // Use the unified HTTP client directly with optional user agent
+    let mut builder = nym_http_api_client::Client::builder(nym_api.clone())
+        .map_err(|e| {
+            ClientCoreError::ValidatorClientError(nym_validator_client::ValidatorClientError::from(
+                e,
+            ))
+        })?
+        .with_bincode(); // Use bincode for better performance
+
+    if let Some(user_agent) = user_agent {
+        builder = builder.with_user_agent(user_agent);
+    }
+
+    let client = builder.build().map_err(|e| {
+        ClientCoreError::ValidatorClientError(nym_validator_client::ValidatorClientError::from(e))
+    })?;

    tracing::debug!("Fetching list of gateways from: {nym_api}");

-    let gateways = client
-        .get_all_basic_entry_assigned_nodes_with_metadata()
+    // Use our helper to handle pagination
+    let gateways = get_all_basic_entry_nodes_with_metadata(&client, true)
        .await?
        .nodes;
    info!("nym api reports {} gateways", gateways.len());
@@ -17,7 +17,9 @@ pub use nym_topology::{
    HardcodedTopologyProvider, NymRouteProvider, NymTopology, NymTopologyError, TopologyProvider,
 };

+#[deprecated(note = "use spawn_future from nym_task crate instead")]
 #[cfg(target_arch = "wasm32")]
+#[track_caller]
 pub fn spawn_future<F>(future: F)
 where
    F: Future<Output = ()> + 'static,
@@ -25,9 +27,7 @@ where
    wasm_bindgen_futures::spawn_local(future);
 }

-// TODO: expose similar API to the rest of the codebase,
-// perhaps with some simple trait for a task to define its name
-
+#[deprecated(note = "use spawn_future from nym_task crate instead")]
 #[cfg(not(target_arch = "wasm32"))]
 #[track_caller]
 pub fn spawn_future<F>(future: F)
@@ -37,35 +37,3 @@ where
 {
    tokio::spawn(future);
 }
-
-#[cfg(not(target_arch = "wasm32"))]
-#[track_caller]
-pub fn spawn_named_future<F>(future: F, name: &str)
-where
-    F: Future + Send + 'static,
-    F::Output: Send + 'static,
-{
-    cfg_if::cfg_if! {if #[cfg(tokio_unstable)] {
-        #[allow(clippy::expect_used)]
-        tokio::task::Builder::new().name(name).spawn(future).expect("failed to spawn future");
-    } else {
-        let _ = name;
-        tracing::debug!(r#"the underlying binary hasn't been built with `RUSTFLAGS="--cfg tokio_unstable"` - the future naming won't do anything"#);
-        spawn_future(future);
-    }}
-}
-
-#[macro_export]
-macro_rules! spawn_future {
-    ($future:expr) => {{
-        $crate::spawn_future($future)
-    }};
-    ($future:expr, $name:expr) => {{
-        cfg_if::cfg_if! {if #[cfg(not(target_arch = "wasm32"))] {
-            $crate::spawn_named_future($future, $name)
-        } else {
-            let _ = $name;
-            $crate::spawn_future($future)
-        }}
-    }};
-}
@@ -40,7 +40,7 @@ where
    pub async fn flush_on_shutdown(
        mut self,
        mem_state: CombinedReplyStorage,
-        mut shutdown: nym_task::TaskClient,
+        shutdown: nym_task::ShutdownToken,
    ) {
        use tracing::{debug, error, info};

@@ -50,7 +50,7 @@ where
            return;
        }

-        shutdown.recv().await;
+        shutdown.cancelled().await;

        info!("PersistentReplyStorage is flushing all reply-related data to underlying storage");
        if let Err(err) = self.backend.flush_surb_storage(&mem_state).await {
@@ -12,7 +12,7 @@ use crate::socket_state::{ws_fd, PartiallyDelegatedHandle, SocketState};
 use crate::traits::GatewayPacketRouter;
 use crate::{cleanup_socket_message, try_decrypt_binary_message};
 use futures::{SinkExt, StreamExt};
-use nym_bandwidth_controller::{BandwidthController, BandwidthStatusMessage};
+use nym_bandwidth_controller::BandwidthController;
 use nym_credential_storage::ephemeral_storage::EphemeralStorage as EphemeralCredentialStorage;
 use nym_credential_storage::storage::Storage as CredentialStorage;
 use nym_credentials::CredentialSpendingData;
@@ -27,7 +27,7 @@ use nym_gateway_requests::{
 use nym_sphinx::forwarding::packet::MixPacket;
 use nym_statistics_common::clients::connection::ConnectionStatsEvent;
 use nym_statistics_common::clients::ClientStatsSender;
-use nym_task::TaskClient;
+use nym_task::ShutdownToken;
 use nym_validator_client::nyxd::contract_traits::DkgQueryClient;
 use rand::rngs::OsRng;
 use std::sync::Arc;
@@ -109,7 +109,7 @@ pub struct GatewayClient<C, St = EphemeralCredentialStorage> {
    connection_fd_callback: Option<Arc<dyn Fn(RawFd) + Send + Sync>>,

    /// Listen to shutdown messages and send notifications back to the task manager
-    task_client: TaskClient,
+    shutdown_token: ShutdownToken,
 }

 impl<C, St> GatewayClient<C, St> {
@@ -124,7 +124,7 @@ impl<C, St> GatewayClient<C, St> {
        bandwidth_controller: Option<BandwidthController<C, St>>,
        stats_reporter: ClientStatsSender,
        #[cfg(unix)] connection_fd_callback: Option<Arc<dyn Fn(RawFd) + Send + Sync>>,
-        task_client: TaskClient,
+        shutdown_token: ShutdownToken,
    ) -> Self {
        GatewayClient {
            cfg,
@@ -141,7 +141,7 @@ impl<C, St> GatewayClient<C, St> {
            negotiated_protocol: None,
            #[cfg(unix)]
            connection_fd_callback,
-            task_client,
+            shutdown_token,
        }
    }

@@ -293,7 +293,7 @@ impl<C, St> GatewayClient<C, St> {

        loop {
            tokio::select! {
-                _ = self.task_client.recv() => {
+                _ = self.shutdown_token.cancelled() => {
                    log::trace!("GatewayClient control response: Received shutdown");
                    log::debug!("GatewayClient control response: Exiting");
                    break Err(GatewayClientError::ConnectionClosedGatewayShutdown);
@@ -514,7 +514,7 @@ impl<C, St> GatewayClient<C, St> {
                self.cfg.bandwidth.require_tickets,
                derive_aes256_gcm_siv_key,
                #[cfg(not(target_arch = "wasm32"))]
-                self.task_client.clone(),
+                self.shutdown_token.clone(),
            )
            .await
            .map_err(GatewayClientError::RegistrationFailure),
@@ -631,9 +631,6 @@ impl<C, St> GatewayClient<C, St> {
                self.negotiated_protocol = protocol_version;
                log::debug!("authenticated: {status}, bandwidth remaining: {bandwidth_remaining}");

-                self.task_client.send_status_msg(Box::new(
-                    BandwidthStatusMessage::RemainingBandwidth(bandwidth_remaining),
-                ));
                Ok(())
            }
            ServerResponse::Error { message } => Err(GatewayClientError::GatewayError(message)),
@@ -1046,6 +1043,12 @@ impl<C, St> GatewayClient<C, St> {
    }

    // Note: this requires prior authentication
+    #[instrument(skip_all,
+        fields(
+            gateway = %self.gateway_identity,
+            gateway_address = %self.gateway_address
+        )
+    )]
    pub fn start_listening_for_mixnet_messages(&mut self) -> Result<(), GatewayClientError> {
        if !self.authenticated {
            return Err(GatewayClientError::NotAuthenticated);
@@ -1069,7 +1072,7 @@ impl<C, St> GatewayClient<C, St> {
                                .expect("no shared key present even though we're authenticated!"),
                        ),
                        self.bandwidth.clone(),
-                        self.task_client.clone(),
+                        self.shutdown_token.clone(),
                    )
                }
                _ => unreachable!(),
@@ -1143,8 +1146,8 @@ impl GatewayClient<InitOnly, EphemeralCredentialStorage> {
        // perfectly fine here, because it's not meant to be used
        let (ack_tx, _) = mpsc::unbounded();
        let (mix_tx, _) = mpsc::unbounded();
-        let task_client = TaskClient::dummy();
-        let packet_router = PacketRouter::new(ack_tx, mix_tx, task_client.clone());
+        let shutdown_token = ShutdownToken::default();
+        let packet_router = PacketRouter::new(ack_tx, mix_tx, shutdown_token.clone());

        GatewayClient {
            cfg: GatewayClientConfig::default().with_disabled_credentials_mode(true),
@@ -1157,11 +1160,11 @@ impl GatewayClient<InitOnly, EphemeralCredentialStorage> {
            connection: SocketState::NotConnected,
            packet_router,
            bandwidth_controller: None,
-            stats_reporter: ClientStatsSender::new(None, task_client.clone()),
+            stats_reporter: ClientStatsSender::new(None, shutdown_token.clone()),
            negotiated_protocol: None,
            #[cfg(unix)]
            connection_fd_callback,
-            task_client,
+            shutdown_token,
        }
    }

@@ -1170,7 +1173,7 @@ impl GatewayClient<InitOnly, EphemeralCredentialStorage> {
        packet_router: PacketRouter,
        bandwidth_controller: Option<BandwidthController<C, St>>,
        stats_reporter: ClientStatsSender,
-        task_client: TaskClient,
+        shutdown_token: ShutdownToken,
    ) -> GatewayClient<C, St> {
        // invariants that can't be broken
        // (unless somebody decided to expose some field that wasn't meant to be exposed)
@@ -1193,7 +1196,7 @@ impl GatewayClient<InitOnly, EphemeralCredentialStorage> {
            negotiated_protocol: self.negotiated_protocol,
            #[cfg(unix)]
            connection_fd_callback: self.connection_fd_callback,
-            task_client,
+            shutdown_token,
        }
    }
 }
@@ -7,7 +7,7 @@
 use crate::error::GatewayClientError;
 use crate::GatewayPacketRouter;
 use futures::channel::mpsc;
-use nym_task::TaskClient;
+use nym_task::ShutdownToken;

 pub type MixnetMessageSender = mpsc::UnboundedSender<Vec<Vec<u8>>>;
 pub type MixnetMessageReceiver = mpsc::UnboundedReceiver<Vec<Vec<u8>>>;
@@ -19,14 +19,14 @@ pub type AcknowledgementReceiver = mpsc::UnboundedReceiver<Vec<Vec<u8>>>;
 pub struct PacketRouter {
    ack_sender: AcknowledgementSender,
    mixnet_message_sender: MixnetMessageSender,
-    shutdown: TaskClient,
+    shutdown: ShutdownToken,
 }

 impl PacketRouter {
    pub fn new(
        ack_sender: AcknowledgementSender,
        mixnet_message_sender: MixnetMessageSender,
-        shutdown: TaskClient,
+        shutdown: ShutdownToken,
    ) -> Self {
        PacketRouter {
            ack_sender,
@@ -42,7 +42,7 @@ impl PacketRouter {
        if let Err(err) = self.mixnet_message_sender.unbounded_send(received_messages) {
            // check if the failure is due to the shutdown being in progress and thus the receiver channel
            // having already been dropped
-            if self.shutdown.is_shutdown_poll() || self.shutdown.is_dummy() {
+            if self.shutdown.is_cancelled() {
                // This should ideally not happen, but it's ok
                tracing::warn!("Failed to send mixnet messages due to receiver task shutdown");
                return Err(GatewayClientError::ShutdownInProgress);
@@ -58,7 +58,7 @@ impl PacketRouter {
        if let Err(err) = self.ack_sender.unbounded_send(received_acks) {
            // check if the failure is due to the shutdown being in progress and thus the receiver channel
            // having already been dropped
-            if self.shutdown.is_shutdown_poll() || self.shutdown.is_dummy() {
+            if self.shutdown.is_cancelled() {
                // This should ideally not happen, but it's ok
                tracing::warn!("Failed to send acks due to receiver task shutdown");
                return Err(GatewayClientError::ShutdownInProgress);
@@ -69,10 +69,6 @@ impl PacketRouter {
        }
        Ok(())
    }
-
-    pub fn disarm(&mut self) {
-        self.shutdown.disarm();
-    }
 }

 impl GatewayPacketRouter for PacketRouter {
@@ -11,7 +11,7 @@ use futures::stream::{SplitSink, SplitStream};
 use futures::{SinkExt, StreamExt};
 use nym_gateway_requests::shared_key::SharedGatewayKey;
 use nym_gateway_requests::{SensitiveServerResponse, ServerResponse, SimpleGatewayRequestsError};
-use nym_task::TaskClient;
+use nym_task::ShutdownToken;
 use si_scale::helpers::bibytes2;
 use std::os::raw::c_int as RawFd;
 use std::sync::Arc;
@@ -87,13 +87,13 @@ impl PartiallyDelegatedRouter {
        }
    }

-    async fn run(mut self, mut split_stream: SplitStream<WsConn>, mut task_client: TaskClient) {
+    async fn run(mut self, mut split_stream: SplitStream<WsConn>, shutdown_token: ShutdownToken) {
        let mut chunked_stream = (&mut split_stream).ready_chunks(8);
        let ret: Result<_, GatewayClientError> = loop {
            tokio::select! {
                biased;
                // received system-wide shutdown
-                _ = task_client.recv() => {
+                _ = shutdown_token.cancelled() => {
                    log::trace!("GatewayClient listener: Received shutdown");
                    log::debug!("GatewayClient listener: Exiting");
                    return;
@@ -118,11 +118,7 @@ impl PartiallyDelegatedRouter {

        let return_res = match ret {
            Err(err) => self.stream_return.send(Err(err)),
-            Ok(_) => {
-                self.packet_router.disarm();
-                task_client.disarm();
-                self.stream_return.send(Ok(split_stream))
-            }
+            Ok(_) => self.stream_return.send(Ok(split_stream)),
        };

        if return_res.is_err() {
@@ -266,8 +262,8 @@ impl PartiallyDelegatedRouter {
        Ok(plaintexts)
    }

-    fn spawn(self, split_stream: SplitStream<WsConn>, task_client: TaskClient) {
-        let fut = async move { self.run(split_stream, task_client).await };
+    fn spawn(self, split_stream: SplitStream<WsConn>, shutdown_token: ShutdownToken) {
+        let fut = async move { self.run(split_stream, shutdown_token).await };

        #[cfg(target_arch = "wasm32")]
        wasm_bindgen_futures::spawn_local(fut);
@@ -283,7 +279,7 @@ impl PartiallyDelegatedHandle {
        packet_router: PacketRouter,
        shared_key: Arc<SharedGatewayKey>,
        client_bandwidth: ClientBandwidth,
-        shutdown: TaskClient,
+        shutdown: ShutdownToken,
    ) -> Self {
        // when called for, it NEEDS TO yield back the stream so that we could merge it and
        // read control request responses.
@@ -5,8 +5,8 @@ use crate::nyxd::{self, NyxdClient};
 use crate::signing::direct_wallet::DirectSecp256k1HdWallet;
 use crate::signing::signer::{NoSigner, OfflineSigner};
 use crate::{
-    nym_api, DirectSigningReqwestRpcValidatorClient, QueryReqwestRpcValidatorClient,
-    ReqwestRpcClient, ValidatorClientError,
+    DirectSigningReqwestRpcValidatorClient, QueryReqwestRpcValidatorClient, ReqwestRpcClient,
+    ValidatorClientError,
 };
 use nym_api_requests::ecash::models::{
    AggregatedCoinIndicesSignatureResponse, AggregatedExpirationDateSignatureResponse,
@@ -20,11 +20,9 @@ use nym_api_requests::ecash::{
    PartialExpirationDateSignatureResponse, VerificationKeyResponse,
 };
 use nym_api_requests::models::{
-    ApiHealthResponse, GatewayBondAnnotated, GatewayCoreStatusResponse,
-    HistoricalPerformanceResponse, MixnodeCoreStatusResponse, MixnodeStatusResponse,
-    NymNodeDescription, RewardEstimationResponse, StakeSaturationResponse,
+    ApiHealthResponse, GatewayCoreStatusResponse, HistoricalPerformanceResponse,
+    MixnodeCoreStatusResponse, NymNodeDescription,
 };
-use nym_api_requests::models::{LegacyDescribedGateway, MixNodeBondAnnotated};
 use nym_api_requests::nym_nodes::{
    NodesByAddressesResponse, SemiSkimmedNodesWithMetadata, SkimmedNode, SkimmedNodesWithMetadata,
 };
@@ -153,7 +151,7 @@ impl Config {
 pub struct Client<C, S = NoSigner> {
    // ideally they would have been read-only, but unfortunately rust doesn't have such features
    // #[deprecated(note = "please use `nym_api_client` instead")]
-    pub nym_api: nym_api::Client,
+    pub nym_api: nym_http_api_client::Client,
    // pub nym_api_client: NymApiClient,
    pub nyxd: NyxdClient<C, S>,
 }
@@ -214,7 +212,7 @@ impl Client<ReqwestRpcClient> {

 impl<C> Client<C> {
    pub fn new_with_rpc_client(config: Config, rpc_client: C) -> Self {
-        let nym_api_client = nym_api::Client::new(config.api_url.clone(), None);
+        let nym_api_client = nym_http_api_client::Client::new(config.api_url.clone(), None);

        Client {
            nym_api: nym_api_client,
@@ -228,7 +226,7 @@ impl<C, S> Client<C, S> {
    where
        S: OfflineSigner,
    {
-        let nym_api_client = nym_api::Client::new(config.api_url.clone(), None);
+        let nym_api_client = nym_http_api_client::Client::new(config.api_url.clone(), None);

        Client {
            nym_api: nym_api_client,
@@ -249,65 +247,6 @@ impl<C, S> Client<C, S> {
        self.nym_api.change_base_urls(vec![new_endpoint.into()])
    }

-    #[deprecated]
-    pub async fn get_cached_mixnodes(&self) -> Result<Vec<MixNodeDetails>, ValidatorClientError> {
-        Ok(self.nym_api.get_mixnodes().await?)
-    }
-
-    #[deprecated]
-    pub async fn get_cached_mixnodes_detailed(
-        &self,
-    ) -> Result<Vec<MixNodeBondAnnotated>, ValidatorClientError> {
-        Ok(self.nym_api.get_mixnodes_detailed().await?)
-    }
-
-    #[deprecated]
-    pub async fn get_cached_mixnodes_detailed_unfiltered(
-        &self,
-    ) -> Result<Vec<MixNodeBondAnnotated>, ValidatorClientError> {
-        Ok(self.nym_api.get_mixnodes_detailed_unfiltered().await?)
-    }
-
-    #[deprecated]
-    pub async fn get_cached_rewarded_mixnodes(
-        &self,
-    ) -> Result<Vec<MixNodeDetails>, ValidatorClientError> {
-        Ok(self.nym_api.get_rewarded_mixnodes().await?)
-    }
-
-    #[deprecated]
-    pub async fn get_cached_rewarded_mixnodes_detailed(
-        &self,
-    ) -> Result<Vec<MixNodeBondAnnotated>, ValidatorClientError> {
-        Ok(self.nym_api.get_rewarded_mixnodes_detailed().await?)
-    }
-
-    #[deprecated]
-    pub async fn get_cached_active_mixnodes(
-        &self,
-    ) -> Result<Vec<MixNodeDetails>, ValidatorClientError> {
-        Ok(self.nym_api.get_active_mixnodes().await?)
-    }
-
-    #[deprecated]
-    pub async fn get_cached_active_mixnodes_detailed(
-        &self,
-    ) -> Result<Vec<MixNodeBondAnnotated>, ValidatorClientError> {
-        Ok(self.nym_api.get_active_mixnodes_detailed().await?)
-    }
-
-    #[deprecated]
-    pub async fn get_cached_gateways(&self) -> Result<Vec<GatewayBond>, ValidatorClientError> {
-        Ok(self.nym_api.get_gateways().await?)
-    }
-
-    #[deprecated]
-    pub async fn get_cached_gateways_detailed_unfiltered(
-        &self,
-    ) -> Result<Vec<GatewayBondAnnotated>, ValidatorClientError> {
-        Ok(self.nym_api.get_gateways_detailed_unfiltered().await?)
-    }
-
    pub async fn get_full_node_performance_history(
        &self,
        node_id: NodeId,
@@ -385,38 +324,25 @@ impl<C, S> Client<C, S> {
    }
 }

+/// DEPRECATED: Use nym_http_api_client::Client with from_network() or with_bincode() instead
+#[deprecated(
+    since = "1.2.0",
+    note = "Use nym_http_api_client::Client::from_network() or ClientBuilder::with_bincode() instead"
+)]
 #[derive(Clone)]
 pub struct NymApiClient {
    pub use_bincode: bool,
-    pub nym_api: nym_api::Client,
+    pub nym_api: nym_http_api_client::Client,
    // TODO: perhaps if we really need it at some (currently I don't see any reasons for it)
    // we could re-implement the communication with the REST API on port 1317
 }

-impl From<nym_api::Client> for NymApiClient {
-    fn from(nym_api: nym_api::Client) -> Self {
-        NymApiClient {
-            use_bincode: false,
-            nym_api,
-        }
-    }
-}
-
 // we have to allow the use of deprecated method here as they're calling the deprecated trait methods
 #[allow(deprecated)]
 impl NymApiClient {
-    pub fn new(api_url: Url) -> Self {
-        let nym_api = nym_api::Client::new(api_url, None);
-
-        NymApiClient {
-            use_bincode: true,
-            nym_api,
-        }
-    }
-
    #[cfg(not(target_arch = "wasm32"))]
    pub fn new_with_timeout(api_url: Url, timeout: std::time::Duration) -> Self {
-        let nym_api = nym_api::Client::new(api_url, Some(timeout));
+        let nym_api = nym_http_api_client::Client::new(api_url, Some(timeout));

        NymApiClient {
            use_bincode: true,
@@ -431,10 +357,10 @@ impl NymApiClient {
    }

    pub fn new_with_user_agent(api_url: Url, user_agent: impl Into<UserAgent>) -> Self {
-        let nym_api = nym_api::Client::builder::<_, ValidatorClientError>(api_url)
+        let nym_api = nym_http_api_client::Client::builder(api_url)
            .expect("invalid api url")
            .with_user_agent(user_agent.into())
-            .build::<ValidatorClientError>()
+            .build()
            .expect("failed to build nym api client");

        NymApiClient {
@@ -571,37 +497,6 @@ impl NymApiClient {
        Ok(self.nym_api.health().await?)
    }

-    #[deprecated]
-    pub async fn get_cached_active_mixnodes(
-        &self,
-    ) -> Result<Vec<MixNodeDetails>, ValidatorClientError> {
-        Ok(self.nym_api.get_active_mixnodes().await?)
-    }
-
-    #[deprecated]
-    pub async fn get_cached_rewarded_mixnodes(
-        &self,
-    ) -> Result<Vec<MixNodeDetails>, ValidatorClientError> {
-        Ok(self.nym_api.get_rewarded_mixnodes().await?)
-    }
-
-    #[deprecated]
-    pub async fn get_cached_mixnodes(&self) -> Result<Vec<MixNodeDetails>, ValidatorClientError> {
-        Ok(self.nym_api.get_mixnodes().await?)
-    }
-
-    #[deprecated]
-    pub async fn get_cached_gateways(&self) -> Result<Vec<GatewayBond>, ValidatorClientError> {
-        Ok(self.nym_api.get_gateways().await?)
-    }
-
-    #[deprecated]
-    pub async fn get_cached_described_gateways(
-        &self,
-    ) -> Result<Vec<LegacyDescribedGateway>, ValidatorClientError> {
-        Ok(self.nym_api.get_gateways_described().await?)
-    }
-
    pub async fn get_all_described_nodes(
        &self,
    ) -> Result<Vec<NymNodeDescription>, ValidatorClientError> {
@@ -668,30 +563,6 @@ impl NymApiClient {
            .await?)
    }

-    #[deprecated]
-    pub async fn get_mixnode_status(
-        &self,
-        mix_id: NodeId,
-    ) -> Result<MixnodeStatusResponse, ValidatorClientError> {
-        Ok(self.nym_api.get_mixnode_status(mix_id).await?)
-    }
-
-    #[deprecated]
-    pub async fn get_mixnode_reward_estimation(
-        &self,
-        mix_id: NodeId,
-    ) -> Result<RewardEstimationResponse, ValidatorClientError> {
-        Ok(self.nym_api.get_mixnode_reward_estimation(mix_id).await?)
-    }
-
-    #[deprecated]
-    pub async fn get_mixnode_stake_saturation(
-        &self,
-        mix_id: NodeId,
-    ) -> Result<StakeSaturationResponse, ValidatorClientError> {
-        Ok(self.nym_api.get_mixnode_stake_saturation(mix_id).await?)
-    }
-
    pub async fn blind_sign(
        &self,
        request_body: &BlindSignRequestBody,
@@ -3,7 +3,6 @@

 use crate::nyxd::contract_traits::{DkgQueryClient, PagedDkgQueryClient};
 use crate::nyxd::error::NyxdError;
-use crate::NymApiClient;
 use nym_coconut_dkg_common::types::{EpochId, NodeIndex};
 use nym_coconut_dkg_common::verification_key::ContractVKShare;
 use nym_compact_ecash::error::CompactEcashError;
@@ -15,7 +14,7 @@ use url::Url;
 // TODO: it really doesn't feel like this should live in this crate.
 #[derive(Clone)]
 pub struct EcashApiClient {
-    pub api_client: NymApiClient,
+    pub api_client: nym_http_api_client::Client,
    pub verification_key: VerificationKeyAuth,
    pub node_id: NodeIndex,
    pub cosmos_address: cosmrs::AccountId,
@@ -25,10 +24,15 @@ impl Display for EcashApiClient {
    fn fmt(&self, f: &mut Formatter<'_>) -> std::fmt::Result {
        write!(
            f,
-            "[id: {}] {} @ {}",
+            "[id: {}] {} @ ({})",
            self.node_id,
            self.cosmos_address,
-            self.api_client.api_url()
+            self.api_client
+                .base_urls()
+                .iter()
+                .map(|url| url.to_string())
+                .collect::<Vec<String>>()
+                .join(", ")
        )
    }
 }
@@ -60,6 +64,9 @@ pub enum EcashApiError {
        source: CompactEcashError,
    },

+    #[error("failed to create API client: {0}")]
+    ClientError(String),
+
    #[error("the provided account address is malformed: {source}")]
    MalformedAccountAddress {
        #[from]
@@ -89,8 +96,13 @@ impl TryFrom<ContractVKShare> for EcashApiClient {
        // In non-client applications this resolver can cause warning logs about H2 connection
        // failure. This indicates that the long lived https connection was closed by the remote
        // peer and the resolver will have to reconnect. It should not impact actual functionality
+        let api_client = nym_http_api_client::Client::builder(url_address)
+            .map_err(|e| EcashApiError::ClientError(e.to_string()))?
+            .build()
+            .map_err(|e| EcashApiError::ClientError(e.to_string()))?;
+
        Ok(EcashApiClient {
-            api_client: NymApiClient::new(url_address),
+            api_client,
            verification_key: VerificationKeyAuth::try_from_bs58(&share.share)?,
            node_id: share.node_index,
            cosmos_address: share.owner.as_str().parse()?,
@@ -1,7 +1,8 @@
+use crate::nym_api::NymApiClientExt;
 use crate::nyxd::contract_traits::MixnetQueryClient;
 use crate::nyxd::error::NyxdError;
 use crate::nyxd::Config as ClientConfig;
-use crate::{NymApiClient, QueryHttpRpcNyxdClient, ValidatorClientError};
+use crate::{QueryHttpRpcNyxdClient, ValidatorClientError};
 use colored::Colorize;
 use core::fmt;
 use itertools::Itertools;
@@ -87,8 +88,17 @@ fn setup_connection_tests<H: BuildHasher + 'static>(
        }
    });

-    let api_connection_test_clients = api_urls.map(|(network, url)| {
-        ClientForConnectionTest::Api(network, url.clone(), NymApiClient::new(url))
+    let api_connection_test_clients = api_urls.filter_map(|(network, url)| {
+        match nym_http_api_client::Client::builder(url.clone()).and_then(|b| b.build()) {
+            Ok(client) => Some(ClientForConnectionTest::Api(network, url, client)),
+            Err(err) => {
+                eprintln!(
+                    "Failed to create API client for {}: {err}",
+                    network.network_name
+                );
+                None
+            }
+        }
    });

    nyxd_connection_test_clients.chain(api_connection_test_clients)
@@ -160,7 +170,7 @@ async fn test_nyxd_connection(
 async fn test_nym_api_connection(
    network: NymNetworkDetails,
    url: &Url,
-    client: &NymApiClient,
+    client: &nym_http_api_client::Client,
 ) -> ConnectionResult {
    let result = match timeout(
        Duration::from_secs(CONNECTION_TEST_TIMEOUT_SEC),
@@ -186,7 +196,7 @@ async fn test_nym_api_connection(

 enum ClientForConnectionTest {
    Nyxd(NymNetworkDetails, Url, Box<QueryHttpRpcNyxdClient>),
-    Api(NymNetworkDetails, Url, NymApiClient),
+    Api(NymNetworkDetails, Url, nym_http_api_client::Client),
 }

 impl ClientForConnectionTest {
@@ -9,8 +9,7 @@ use thiserror::Error;
 pub enum ValidatorClientError {
    #[error("nym api request failed: {source}")]
    NymAPIError {
-        #[from]
-        source: nym_api::error::NymAPIError,
+        source: Box<nym_api::error::NymAPIError>,
    },

    #[error("Tendermint RPC request failure: {0}")]
@@ -28,3 +27,11 @@ pub enum ValidatorClientError {
    #[error("No validator API url has been provided")]
    NoAPIUrlAvailable,
 }
+
+impl From<nym_api::error::NymAPIError> for ValidatorClientError {
+    fn from(source: nym_api::error::NymAPIError) -> Self {
+        ValidatorClientError::NymAPIError {
+            source: Box::new(source),
+        }
+    }
+}
@@ -14,7 +14,6 @@ pub mod signing;
 pub use crate::error::ValidatorClientError;
 pub use crate::rpc::reqwest::ReqwestRpcClient;
 pub use crate::signing::direct_wallet::DirectSecp256k1HdWallet;
-pub use client::NymApiClient;
 pub use client::{Client, Config, EcashApiClient};
 pub use nym_api_requests::*;
 pub use nym_http_api_client::UserAgent;
@@ -1,7 +1,6 @@
 // Copyright 2022-2023 - Nym Technologies SA <contact@nymtech.net>
 // SPDX-License-Identifier: Apache-2.0

-use nym_api_requests::models::RequestError;
 use nym_http_api_client::HttpClientError;

-pub type NymAPIError = HttpClientError<RequestError>;
+pub type NymAPIError = HttpClientError;
@@ -3,6 +3,7 @@

 use crate::nym_api::error::NymAPIError;
 use crate::nym_api::routes::{ecash, CORE_STATUS_COUNT, SINCE_ARG};
+use crate::nym_nodes::SkimmedNodesWithMetadata;
 use async_trait::async_trait;
 use nym_api_requests::ecash::models::{
    AggregatedCoinIndicesSignatureResponse, AggregatedExpirationDateSignatureResponse,
@@ -15,9 +16,8 @@ use nym_api_requests::ecash::models::{
 use nym_api_requests::ecash::VerificationKeyResponse;
 use nym_api_requests::models::{
    AnnotationResponse, ApiHealthResponse, BinaryBuildInformationOwned, ChainBlocksStatusResponse,
-    ChainStatusResponse, KeyRotationInfoResponse, LegacyDescribedMixNode, NodePerformanceResponse,
-    NodeRefreshBody, NymNodeDescription, PerformanceHistoryResponse, RewardedSetResponse,
-    SignerInformationResponse,
+    ChainStatusResponse, KeyRotationInfoResponse, NodePerformanceResponse, NodeRefreshBody,
+    NymNodeDescription, PerformanceHistoryResponse, RewardedSetResponse, SignerInformationResponse,
 };
 use nym_api_requests::nym_nodes::{
    NodesByAddressesRequestBody, NodesByAddressesResponse, PaginatedCachedNodesResponseV1,
@@ -31,26 +31,22 @@ pub use nym_api_requests::{
        VerifyEcashCredentialBody,
    },
    models::{
-        ComputeRewardEstParam, GatewayBondAnnotated, GatewayCoreStatusResponse,
-        GatewayStatusReportResponse, GatewayUptimeHistoryResponse, LegacyDescribedGateway,
-        MixNodeBondAnnotated, MixnodeCoreStatusResponse, MixnodeStatusReportResponse,
-        MixnodeStatusResponse, MixnodeUptimeHistoryResponse, RewardEstimationResponse,
-        StakeSaturationResponse, UptimeResponse,
+        GatewayCoreStatusResponse, GatewayStatusReportResponse, GatewayUptimeHistoryResponse,
+        MixnodeCoreStatusResponse, MixnodeStatusReportResponse, MixnodeStatusResponse,
+        MixnodeUptimeHistoryResponse, StakeSaturationResponse, UptimeResponse,
    },
-    nym_nodes::{CachedNodesResponse, SemiSkimmedNode, SkimmedNode},
+    nym_nodes::{CachedNodesResponse, SemiSkimmedNode, SemiSkimmedNodesWithMetadata, SkimmedNode},
    NymNetworkDetailsResponse,
 };
-use nym_contracts_common::IdentityKey;
 use nym_http_api_client::{ApiClient, NO_PARAMS};
-use nym_mixnet_contract_common::mixnode::MixNodeDetails;
-use nym_mixnet_contract_common::{GatewayBond, IdentityKeyRef, NodeId, NymNodeDetails};
+use nym_mixnet_contract_common::{IdentityKeyRef, NodeId, NymNodeDetails};
 use std::net::IpAddr;
 use time::format_description::BorrowedFormatItem;
 use time::Date;
 use tracing::instrument;

+use crate::ValidatorClientError;
 pub use nym_coconut_dkg_common::types::EpochId;
-pub use nym_http_api_client::Client;

 pub mod error;
 pub mod routes;
@@ -62,6 +58,9 @@ pub fn rfc_3339_date() -> Vec<BorrowedFormatItem<'static>> {
 #[cfg_attr(target_arch = "wasm32", async_trait(?Send))]
 #[cfg_attr(not(target_arch = "wasm32"), async_trait)]
 pub trait NymApiClientExt: ApiClient {
+    /// Get the current API URL being used by the client
+    fn api_url(&self) -> &url::Url;
+
    async fn health(&self) -> Result<ApiHealthResponse, NymAPIError> {
        self.get_json(
            &[
@@ -87,104 +86,6 @@ pub trait NymApiClientExt: ApiClient {
        .await
    }

-    #[deprecated]
-    #[instrument(level = "debug", skip(self))]
-    async fn get_mixnodes(&self) -> Result<Vec<MixNodeDetails>, NymAPIError> {
-        self.get_json(&[routes::V1_API_VERSION, routes::MIXNODES], NO_PARAMS)
-            .await
-    }
-
-    #[deprecated]
-    #[instrument(level = "debug", skip(self))]
-    async fn get_mixnodes_detailed(&self) -> Result<Vec<MixNodeBondAnnotated>, NymAPIError> {
-        self.get_json(
-            &[
-                routes::V1_API_VERSION,
-                routes::STATUS,
-                routes::MIXNODES,
-                routes::DETAILED,
-            ],
-            NO_PARAMS,
-        )
-        .await
-    }
-
-    #[deprecated]
-    #[instrument(level = "debug", skip(self))]
-    async fn get_gateways_detailed(&self) -> Result<Vec<GatewayBondAnnotated>, NymAPIError> {
-        self.get_json(
-            &[
-                routes::V1_API_VERSION,
-                routes::STATUS,
-                routes::GATEWAYS,
-                routes::DETAILED,
-            ],
-            NO_PARAMS,
-        )
-        .await
-    }
-
-    #[deprecated]
-    #[instrument(level = "debug", skip(self))]
-    async fn get_gateways_detailed_unfiltered(
-        &self,
-    ) -> Result<Vec<GatewayBondAnnotated>, NymAPIError> {
-        self.get_json(
-            &[
-                routes::V1_API_VERSION,
-                routes::STATUS,
-                routes::GATEWAYS,
-                routes::DETAILED_UNFILTERED,
-            ],
-            NO_PARAMS,
-        )
-        .await
-    }
-
-    #[deprecated]
-    #[instrument(level = "debug", skip(self))]
-    async fn get_mixnodes_detailed_unfiltered(
-        &self,
-    ) -> Result<Vec<MixNodeBondAnnotated>, NymAPIError> {
-        self.get_json(
-            &[
-                routes::V1_API_VERSION,
-                routes::STATUS,
-                routes::MIXNODES,
-                routes::DETAILED_UNFILTERED,
-            ],
-            NO_PARAMS,
-        )
-        .await
-    }
-
-    #[deprecated]
-    #[instrument(level = "debug", skip(self))]
-    async fn get_gateways(&self) -> Result<Vec<GatewayBond>, NymAPIError> {
-        self.get_json(&[routes::V1_API_VERSION, routes::GATEWAYS], NO_PARAMS)
-            .await
-    }
-
-    #[deprecated]
-    #[instrument(level = "debug", skip(self))]
-    async fn get_gateways_described(&self) -> Result<Vec<LegacyDescribedGateway>, NymAPIError> {
-        self.get_json(
-            &[routes::V1_API_VERSION, routes::GATEWAYS, routes::DESCRIBED],
-            NO_PARAMS,
-        )
-        .await
-    }
-
-    #[deprecated]
-    #[instrument(level = "debug", skip(self))]
-    async fn get_mixnodes_described(&self) -> Result<Vec<LegacyDescribedMixNode>, NymAPIError> {
-        self.get_json(
-            &[routes::V1_API_VERSION, routes::MIXNODES, routes::DESCRIBED],
-            NO_PARAMS,
-        )
-        .await
-    }
-
    #[tracing::instrument(level = "debug", skip_all)]
    async fn get_node_performance_history(
        &self,
@@ -241,6 +142,156 @@ pub trait NymApiClientExt: ApiClient {
        .await
    }

+    async fn get_current_rewarded_set(&self) -> Result<RewardedSetResponse, NymAPIError> {
+        self.get_rewarded_set().await
+    }
+
+    async fn get_all_basic_nodes_with_metadata(
+        &self,
+    ) -> Result<SkimmedNodesWithMetadata, NymAPIError> {
+        // unroll first loop iteration in order to obtain the metadata
+        let mut page = 0;
+        let res = self
+            .get_basic_nodes_v2(false, Some(page), None, true)
+            .await?;
+        let mut nodes = res.nodes.data;
+        let metadata = res.metadata;
+
+        if res.nodes.pagination.total == nodes.len() {
+            return Ok(SkimmedNodesWithMetadata::new(nodes, metadata));
+        }
+
+        page += 1;
+
+        loop {
+            let mut res = self
+                .get_basic_nodes_v2(false, Some(page), None, true)
+                .await?;
+
+            if !metadata.consistency_check(&res.metadata) {
+                // Create a custom error for inconsistent metadata
+                return Err(NymAPIError::InternalResponseInconsistency {
+                    url: self.api_url().clone(),
+                    details: "Inconsistent paged metadata".to_string(),
+                });
+            }
+
+            nodes.append(&mut res.nodes.data);
+            if nodes.len() >= res.nodes.pagination.total {
+                break;
+            } else {
+                page += 1
+            }
+        }
+
+        Ok(SkimmedNodesWithMetadata::new(nodes, metadata))
+    }
+
+    async fn get_all_basic_active_mixing_assigned_nodes_with_metadata(
+        &self,
+    ) -> Result<SkimmedNodesWithMetadata, NymAPIError> {
+        // Get all mixing nodes that are in the active/rewarded set
+        let mut page = 0;
+        let res = self
+            .get_basic_active_mixing_assigned_nodes_v2(false, Some(page), None, false)
+            .await?;
+
+        let metadata = res.metadata;
+        let mut nodes = res.nodes.data;
+
+        if res.nodes.pagination.total == nodes.len() {
+            return Ok(SkimmedNodesWithMetadata::new(nodes, metadata));
+        }
+
+        page += 1;
+
+        loop {
+            let res = self
+                .get_basic_active_mixing_assigned_nodes_v2(false, Some(page), None, false)
+                .await?;
+
+            if !metadata.consistency_check(&res.metadata) {
+                return Err(NymAPIError::InternalResponseInconsistency {
+                    url: self.api_url().clone(),
+                    details: "Inconsistent paged metadata".to_string(),
+                });
+            }
+
+            nodes.append(&mut res.nodes.data.clone());
+
+            // Check if we've got all nodes
+            if nodes.len() >= res.nodes.pagination.total {
+                break;
+            } else {
+                page += 1;
+            }
+        }
+
+        Ok(SkimmedNodesWithMetadata::new(nodes, metadata))
+    }
+
+    async fn get_all_basic_entry_assigned_nodes_with_metadata(
+        &self,
+    ) -> Result<SkimmedNodesWithMetadata, NymAPIError> {
+        // Get all nodes that can act as entry gateways
+        let mut page = 0;
+        let res = self
+            .get_basic_entry_assigned_nodes_v2(false, Some(page), None, false)
+            .await?;
+
+        let metadata = res.metadata;
+        let mut nodes = res.nodes.data;
+
+        if res.nodes.pagination.total == nodes.len() {
+            return Ok(SkimmedNodesWithMetadata::new(nodes, metadata));
+        }
+
+        page += 1;
+
+        loop {
+            let res = self
+                .get_basic_entry_assigned_nodes_v2(false, Some(page), None, false)
+                .await?;
+
+            if !metadata.consistency_check(&res.metadata) {
+                return Err(NymAPIError::InternalResponseInconsistency {
+                    url: self.api_url().clone(),
+                    details: "Inconsistent paged metadata".to_string(),
+                });
+            }
+
+            nodes.append(&mut res.nodes.data.clone());
+
+            // Check if we've got all nodes
+            if nodes.len() >= res.nodes.pagination.total {
+                break;
+            } else {
+                page += 1;
+            }
+        }
+
+        Ok(SkimmedNodesWithMetadata::new(nodes, metadata))
+    }
+
+    async fn get_all_described_nodes(&self) -> Result<Vec<NymNodeDescription>, NymAPIError> {
+        // TODO: deal with paging in macro or some helper function or something, because it's the same pattern everywhere
+        let mut page = 0;
+        let mut descriptions = Vec::new();
+
+        loop {
+            let mut res = self.get_nodes_described(Some(page), None).await?;
+
+            descriptions.append(&mut res.data);
+            if descriptions.len() < res.pagination.total {
+                page += 1
+            } else {
+                break;
+            }
+        }
+
+        Ok(descriptions)
+    }
+
    #[tracing::instrument(level = "debug", skip_all)]
    async fn get_nym_nodes(
        &self,
@@ -268,6 +319,25 @@ pub trait NymApiClientExt: ApiClient {
        .await
    }

+    async fn get_all_bonded_nym_nodes(&self) -> Result<Vec<NymNodeDetails>, ValidatorClientError> {
+        // TODO: deal with paging in macro or some helper function or something, because it's the same pattern everywhere
+        let mut page = 0;
+        let mut bonds = Vec::new();
+
+        loop {
+            let mut res = self.get_nym_nodes(Some(page), None).await?;
+
+            bonds.append(&mut res.data);
+            if bonds.len() < res.pagination.total {
+                page += 1
+            } else {
+                break;
+            }
+        }
+
+        Ok(bonds)
+    }
+
    #[deprecated]
    #[tracing::instrument(level = "debug", skip_all)]
    async fn get_basic_mixnodes(&self) -> Result<CachedNodesResponse<SkimmedNode>, NymAPIError> {
@@ -677,42 +747,6 @@ pub trait NymApiClientExt: ApiClient {
        .await
    }

-    #[deprecated]
-    #[instrument(level = "debug", skip(self))]
-    async fn get_active_mixnodes(&self) -> Result<Vec<MixNodeDetails>, NymAPIError> {
-        self.get_json(
-            &[routes::V1_API_VERSION, routes::MIXNODES, routes::ACTIVE],
-            NO_PARAMS,
-        )
-        .await
-    }
-
-    #[deprecated]
-    #[instrument(level = "debug", skip(self))]
-    async fn get_active_mixnodes_detailed(&self) -> Result<Vec<MixNodeBondAnnotated>, NymAPIError> {
-        self.get_json(
-            &[
-                routes::V1_API_VERSION,
-                routes::STATUS,
-                routes::MIXNODES,
-                routes::ACTIVE,
-                routes::DETAILED,
-            ],
-            NO_PARAMS,
-        )
-        .await
-    }
-
-    #[deprecated]
-    #[instrument(level = "debug", skip(self))]
-    async fn get_rewarded_mixnodes(&self) -> Result<Vec<MixNodeDetails>, NymAPIError> {
-        self.get_json(
-            &[routes::V1_API_VERSION, routes::MIXNODES, routes::REWARDED],
-            NO_PARAMS,
-        )
-        .await
-    }
-
    #[deprecated]
    #[instrument(level = "debug", skip(self))]
    async fn get_mixnode_report(
@@ -789,24 +823,6 @@ pub trait NymApiClientExt: ApiClient {
        .await
    }

-    #[deprecated]
-    #[instrument(level = "debug", skip(self))]
-    async fn get_rewarded_mixnodes_detailed(
-        &self,
-    ) -> Result<Vec<MixNodeBondAnnotated>, NymAPIError> {
-        self.get_json(
-            &[
-                routes::V1_API_VERSION,
-                routes::STATUS,
-                routes::MIXNODES,
-                routes::REWARDED,
-                routes::DETAILED,
-            ],
-            NO_PARAMS,
-        )
-        .await
-    }
-
    #[deprecated]
    #[instrument(level = "debug", skip(self))]
    async fn get_gateway_core_status_count(
@@ -874,104 +890,6 @@ pub trait NymApiClientExt: ApiClient {
        }
    }

-    #[deprecated]
-    #[instrument(level = "debug", skip(self))]
-    async fn get_mixnode_status(
-        &self,
-        mix_id: NodeId,
-    ) -> Result<MixnodeStatusResponse, NymAPIError> {
-        self.get_json(
-            &[
-                routes::V1_API_VERSION,
-                routes::STATUS_ROUTES,
-                routes::MIXNODE,
-                &mix_id.to_string(),
-                routes::STATUS,
-            ],
-            NO_PARAMS,
-        )
-        .await
-    }
-
-    #[deprecated]
-    #[instrument(level = "debug", skip(self))]
-    async fn get_mixnode_reward_estimation(
-        &self,
-        mix_id: NodeId,
-    ) -> Result<RewardEstimationResponse, NymAPIError> {
-        self.get_json(
-            &[
-                routes::V1_API_VERSION,
-                routes::STATUS_ROUTES,
-                routes::MIXNODE,
-                &mix_id.to_string(),
-                routes::REWARD_ESTIMATION,
-            ],
-            NO_PARAMS,
-        )
-        .await
-    }
-
-    #[deprecated]
-    #[instrument(level = "debug", skip(self))]
-    async fn compute_mixnode_reward_estimation(
-        &self,
-        mix_id: NodeId,
-        request_body: &ComputeRewardEstParam,
-    ) -> Result<RewardEstimationResponse, NymAPIError> {
-        self.post_json(
-            &[
-                routes::V1_API_VERSION,
-                routes::STATUS_ROUTES,
-                routes::MIXNODE,
-                &mix_id.to_string(),
-                routes::COMPUTE_REWARD_ESTIMATION,
-            ],
-            NO_PARAMS,
-            request_body,
-        )
-        .await
-    }
-
-    #[deprecated]
-    #[instrument(level = "debug", skip(self))]
-    async fn get_mixnode_stake_saturation(
-        &self,
-        mix_id: NodeId,
-    ) -> Result<StakeSaturationResponse, NymAPIError> {
-        self.get_json(
-            &[
-                routes::V1_API_VERSION,
-                routes::STATUS_ROUTES,
-                routes::MIXNODE,
-                &mix_id.to_string(),
-                routes::STAKE_SATURATION,
-            ],
-            NO_PARAMS,
-        )
-        .await
-    }
-
-    #[deprecated]
-    #[allow(deprecated)]
-    #[instrument(level = "debug", skip(self))]
-    async fn get_mixnode_inclusion_probability(
-        &self,
-        mix_id: NodeId,
-    ) -> Result<nym_api_requests::models::InclusionProbabilityResponse, NymAPIError> {
-        self.get_json(
-            &[
-                routes::V1_API_VERSION,
-                routes::STATUS_ROUTES,
-                routes::MIXNODE,
-                &mix_id.to_string(),
-                routes::INCLUSION_CHANCE,
-            ],
-            NO_PARAMS,
-        )
-        .await
-    }
-
    #[instrument(level = "debug", skip(self))]
    async fn get_current_node_performance(
        &self,
@@ -1020,34 +938,6 @@ pub trait NymApiClientExt: ApiClient {
        .await
    }

-    #[deprecated]
-    #[instrument(level = "debug", skip(self))]
-    async fn get_mixnodes_blacklisted(&self) -> Result<Vec<NodeId>, NymAPIError> {
-        self.get_json(
-            &[
-                routes::V1_API_VERSION,
-                routes::MIXNODES,
-                routes::BLACKLISTED,
-            ],
-            NO_PARAMS,
-        )
-        .await
-    }
-
-    #[deprecated]
-    #[instrument(level = "debug", skip(self))]
-    async fn get_gateways_blacklisted(&self) -> Result<Vec<IdentityKey>, NymAPIError> {
-        self.get_json(
-            &[
-                routes::V1_API_VERSION,
-                routes::GATEWAYS,
-                routes::BLACKLISTED,
-            ],
-            NO_PARAMS,
-        )
-        .await
-    }
-
    #[instrument(level = "debug", skip(self, request_body))]
    async fn blind_sign(
        &self,
@@ -1371,8 +1261,49 @@ pub trait NymApiClientExt: ApiClient {
        )
        .await
    }
+
+    /// Method to change the base API URLs being used by the client
+    fn change_base_urls(&mut self, urls: Vec<url::Url>);
+
+    /// Retrieve expanded information for all bonded nodes on the network
+    async fn get_all_expanded_nodes(&self) -> Result<SemiSkimmedNodesWithMetadata, NymAPIError> {
+        // Unroll the first iteration to get the metadata
+        let mut page = 0;
+
+        let res = self.get_expanded_nodes(false, Some(page), None).await?;
+        let mut nodes = res.nodes.data;
+        let metadata = res.metadata;
+
+        if res.nodes.pagination.total == nodes.len() {
+            return Ok(SemiSkimmedNodesWithMetadata::new(nodes, metadata));
+        }
+
+        page += 1;
+
+        loop {
+            let mut res = self.get_expanded_nodes(false, Some(page), None).await?;
+
+            nodes.append(&mut res.nodes.data);
+            if nodes.len() < res.nodes.pagination.total {
+                page += 1
+            } else {
+                break;
+            }
+        }
+
+        Ok(SemiSkimmedNodesWithMetadata::new(nodes, metadata))
+    }
 }

+// Client is already nym_http_api_client::Client (re-exported above), so just one impl needed
 #[cfg_attr(target_arch = "wasm32", async_trait(?Send))]
 #[cfg_attr(not(target_arch = "wasm32"), async_trait)]
-impl NymApiClientExt for Client {}
+impl NymApiClientExt for nym_http_api_client::Client {
+    fn api_url(&self) -> &url::Url {
+        self.current_url().as_ref()
+    }
+
+    fn change_base_urls(&mut self, urls: Vec<url::Url>) {
+        self.change_base_urls(urls.into_iter().map(|u| u.into()).collect());
+    }
+}
@@ -28,7 +28,7 @@ use cosmrs::proto::cosmwasm::wasm::v1::{
    QueryRawContractStateResponse, QuerySmartContractStateRequest, QuerySmartContractStateResponse,
 };
 use cosmrs::tendermint::{block, chain, Hash};
-use cosmrs::{AccountId, Coin as CosmosCoin, Tx};
+use cosmrs::{AccountId, Coin as CosmosCoin};
 use prost::Message;
 use serde::{Deserialize, Serialize};

@@ -556,23 +556,12 @@ pub trait CosmWasmClient: TendermintRpcClient {
        Ok(serde_json::from_slice(&res.data)?)
    }

-    // deprecation warning is due to the fact the protobuf files built were based on cosmos-sdk 0.44,
-    // where they prefer using tx_bytes directly. However, in 0.42, which we are using at the time
-    // of writing this, the option does not work
-    // TODO: we should really stop using the `tx` argument here and use `tx_bytes` exlusively,
-    // however, at the time of writing this update, while our QA and mainnet networks do support it,
-    // sandbox is still running old version of wasmd that lacks support for `tx_bytes`
-    #[allow(deprecated)]
-    async fn query_simulate(
-        &self,
-        tx: Option<Tx>,
-        tx_bytes: Vec<u8>,
-    ) -> Result<SimulateResponse, NyxdError> {
+    async fn query_simulate(&self, tx_bytes: Vec<u8>) -> Result<SimulateResponse, NyxdError> {
        let path = Some("/cosmos.tx.v1beta1.Service/Simulate".to_owned());

        let req = SimulateRequest {
-            tx: tx.map(Into::into),
            tx_bytes,
+            ..Default::default()
        };

        let res = self
@@ -81,17 +81,14 @@ where
            auth_info: single_unspecified_signer_auth(public_key, sequence_response.sequence),
            signatures: vec![Vec::new()],
        };
-        self.query_simulate(Some(partial_tx), Vec::new()).await

-        // for completion sake, once we're able to transition into using `tx_bytes`,
-        // we might want to use something like this instead:
-        // let tx_raw: tx::Raw = cosmrs::proto::cosmos::tx::v1beta1::TxRaw {
-        //     body_bytes: partial_tx.body.into_bytes().unwrap(),
-        //     auth_info_bytes: partial_tx.auth_info.into_bytes().unwrap(),
-        //     signatures: partial_tx.signatures,
-        // }
-        // .into();
-        // self.query_simulate(None, tx_raw.to_bytes().unwrap()).await
+        let tx_raw: tx::Raw = cosmrs::proto::cosmos::tx::v1beta1::TxRaw {
+            body_bytes: partial_tx.body.into_bytes()?,
+            auth_info_bytes: partial_tx.auth_info.into_bytes()?,
+            signatures: partial_tx.signatures,
+        }
+        .into();
+        self.query_simulate(tx_raw.to_bytes()?).await
    }

    async fn upload(
@@ -38,6 +38,7 @@ cosmrs = { workspace = true }
 cosmwasm-std = { workspace = true }

 nym-validator-client = { path = "../client-libs/validator-client" }
+nym-http-api-client = { path = "../http-api-client" }
 nym-bin-common = { path = "../../common/bin-common", features = ["output_format"] }
 nym-crypto = { path = "../../common/crypto", features = ["asymmetric"] }
 nym-network-defaults = { path = "../network-defaults" }
@@ -2,12 +2,12 @@
 // SPDX-License-Identifier: Apache-2.0

 use crate::context::errors::ContextError;
+pub use nym_http_api_client::Client as NymApiClient;
 use nym_network_defaults::{
    setup_env,
    var_names::{MIXNET_CONTRACT_ADDRESS, NYM_API, NYXD, VESTING_CONTRACT_ADDRESS},
    NymNetworkDetails,
 };
-pub use nym_validator_client::nym_api::Client as NymApiClient;
 use nym_validator_client::nyxd::{self, AccountId, NyxdClient};
 use nym_validator_client::{
    DirectSigningHttpRpcNyxdClient, DirectSigningHttpRpcValidatorClient, QueryHttpRpcNyxdClient,
@@ -1,3 +1,3 @@
 // This file was generated by [ts-rs](https://github.com/Aleph-Alpha/ts-rs). Do not edit this file manually.

-export type Role = "EntryGateway" | "Layer1" | "Layer2" | "Layer3" | "ExitGateway" | "Standby";
+export type Role = "entry_gateway" | "layer1" | "layer2" | "layer3" | "exit_gateway" | "standby";
@@ -23,6 +23,7 @@ use serde_repr::{Deserialize_repr, Serialize_repr};

 /// Full details associated with given mixnode.
 #[cw_serde]
+#[cfg_attr(feature = "utoipa", derive(utoipa::ToSchema))]
 pub struct MixNodeDetails {
    /// Basic bond information of this mixnode, such as owner address, original pledge, etc.
    pub bond_information: MixNodeBond,
@@ -695,6 +696,7 @@ impl From<LegacyMixLayer> for u8 {
    Copy,
 )]
 #[schemars(crate = "::cosmwasm_schema::schemars")]
+#[cfg_attr(feature = "utoipa", derive(utoipa::ToSchema))]
 pub struct PendingMixNodeChanges {
    pub pledge_change: Option<EpochEventId>,

@@ -0,0 +1,55 @@
+[package]
+name = "nym-credential-proxy-lib"
+version = "0.1.0"
+authors.workspace = true
+repository.workspace = true
+homepage.workspace = true
+documentation.workspace = true
+edition.workspace = true
+license.workspace = true
+rust-version.workspace = true
+readme.workspace = true
+
+[dependencies]
+anyhow = { workspace = true }
+axum = { workspace = true }
+bip39 = { workspace = true, features = ["zeroize"] }
+bs58 = { workspace = true }
+futures = { workspace = true }
+humantime = { workspace = true }
+rand = { workspace = true }
+reqwest = { workspace = true, features = ["rustls-tls"] }
+serde = { workspace = true, features = ["derive"] }
+serde_json = { workspace = true }
+strum = { workspace = true, features = ["derive"] }
+strum_macros = { workspace = true }
+sqlx = { workspace = true, features = ["runtime-tokio-rustls", "sqlite", "macros", "migrate", "time"] }
+time = { workspace = true }
+thiserror = { workspace = true }
+tokio = { workspace = true, features = ["sync"] }
+tokio-util = { workspace = true, features = ["rt"] }
+tracing = { workspace = true }
+uuid = { workspace = true, features = ["serde"] }
+url = { workspace = true }
+zeroize = { workspace = true }
+
+nym-credentials = { path = "../credentials" }
+nym-crypto = { path = "../crypto", features = ["asymmetric", "rand", "serde"] }
+nym-credentials-interface = { path = "../credentials-interface" }
+nym-credential-proxy-requests = { path = "../../nym-credential-proxy/nym-credential-proxy-requests" }
+nym-ecash-signer-check = { path = "../ecash-signer-check" }
+nym-ecash-contract-common = { path = "../cosmwasm-smart-contracts/ecash-contract" }
+nym-compact-ecash = { path = "../nym_offline_compact_ecash" }
+nym-validator-client = { path = "../client-libs/validator-client" }
+nym-network-defaults = { path = "../network-defaults" }
+
+[dev-dependencies]
+tempfile = { workspace = true }
+
+[build-dependencies]
+anyhow = { workspace = true }
+tokio = { workspace = true, features = ["rt-multi-thread", "macros"] }
+sqlx = { workspace = true, features = ["runtime-tokio-rustls", "sqlite", "macros", "migrate"] }
+
+[lints]
+workspace = true
@@ -10,11 +10,11 @@ use nym_validator_client::nyxd::{Coin, Hash};
 use time::OffsetDateTime;
 use zeroize::Zeroizing;

-pub(crate) struct BufferedDeposit {
-    pub(crate) deposit_id: u32,
+pub struct BufferedDeposit {
+    pub deposit_id: u32,

    // note: this type implements `ZeroizeOnDrop`
-    pub(crate) ed25519_private_key: ed25519::PrivateKey,
+    pub ed25519_private_key: ed25519::PrivateKey,
 }

 impl TryFrom<StorableEcashDeposit> for BufferedDeposit {
@@ -36,14 +36,14 @@ impl TryFrom<StorableEcashDeposit> for BufferedDeposit {
 }

 impl BufferedDeposit {
-    pub(crate) fn new(deposit_id: u32, ed25519_private_key: ed25519::PrivateKey) -> Self {
+    pub fn new(deposit_id: u32, ed25519_private_key: ed25519::PrivateKey) -> Self {
        BufferedDeposit {
            deposit_id,
            ed25519_private_key,
        }
    }

-    pub(crate) fn sign_ticketbook_plaintext(
+    pub fn sign_ticketbook_plaintext(
        &self,
        withdrawal_request: &WithdrawalRequest,
    ) -> ed25519::Signature {
@@ -52,13 +52,13 @@ impl BufferedDeposit {
    }
 }

-pub(crate) struct PerformedDeposits {
-    pub(crate) deposits_data: Vec<BufferedDeposit>,
+pub struct PerformedDeposits {
+    pub deposits_data: Vec<BufferedDeposit>,

    // shared by all performed deposits as they were included in the same tx
-    pub(crate) tx_hash: Hash,
-    pub(crate) requested_on: OffsetDateTime,
-    pub(crate) deposit_amount: Coin,
+    pub tx_hash: Hash,
+    pub requested_on: OffsetDateTime,
+    pub deposit_amount: Coin,
 }

 impl PerformedDeposits {
@@ -1,11 +1,11 @@
 // Copyright 2025 - Nym Technologies SA <contact@nymtech.net>
 // SPDX-License-Identifier: GPL-3.0-only

-use crate::deposits_buffer::helpers::{request_sizes, BufferedDeposit, PerformedDeposits};
+use crate::deposits_buffer::helpers::request_sizes;
 use crate::deposits_buffer::refill_task::RefillTask;
 use crate::error::CredentialProxyError;
-use crate::http::state::required_deposit_cache::RequiredDepositCache;
-use crate::http::state::ChainClient;
+use crate::shared_state::nyxd_client::ChainClient;
+use crate::shared_state::required_deposit_cache::RequiredDepositCache;
 use crate::storage::CredentialProxyStorage;
 use nym_compact_ecash::PublicKeyUser;
 use nym_crypto::asymmetric::ed25519;
@@ -21,6 +21,8 @@ use tokio_util::sync::CancellationToken;
 use tracing::{debug, error, info, instrument, warn};
 use uuid::Uuid;

+pub use helpers::{BufferedDeposit, PerformedDeposits};
+
 pub(crate) mod helpers;
 mod refill_task;

@@ -43,12 +45,12 @@ struct DepositsBufferInner {
 }

 #[derive(Clone)]
-pub(crate) struct DepositsBuffer {
+pub struct DepositsBuffer {
    inner: Arc<DepositsBufferInner>,
 }

 impl DepositsBuffer {
-    pub(crate) async fn new(
+    pub async fn new(
        storage: CredentialProxyStorage,
        client: ChainClient,
        required_deposit_cache: RequiredDepositCache,
@@ -250,7 +252,7 @@ impl DepositsBuffer {
        }
    }

-    pub(crate) async fn get_valid_deposit(
+    pub async fn get_valid_deposit(
        &self,
        request_uuid: Uuid,
        requested_on: OffsetDateTime,
@@ -290,7 +292,7 @@ impl DepositsBuffer {
        }
    }

-    pub(crate) async fn wait_for_shutdown(&self) {
+    pub async fn wait_for_shutdown(&self) {
        let task_handle = self.inner.deposits_refill_task.take_task_join_handle();
        if let Some(task_handle) = task_handle {
            if !task_handle.is_finished() {
@@ -1,9 +1,9 @@
-// Copyright 2024 Nym Technologies SA <contact@nymtech.net>
+// Copyright 2025 Nym Technologies SA <contact@nymtech.net>
 // SPDX-License-Identifier: GPL-3.0-only

 use nym_ecash_signer_check::SignerCheckError;
 use nym_validator_client::coconut::EcashApiError;
-use nym_validator_client::nym_api::EpochId;
+use nym_validator_client::nym_api::{error::NymAPIError, EpochId};
 use nym_validator_client::nyxd::error::NyxdError;
 use std::io;
 use std::net::SocketAddr;
@@ -71,6 +71,9 @@ pub enum CredentialProxyError {
        source: EcashApiError,
    },

+    #[error("Nym API request failed: {source}")]
+    NymApiFailure { source: Box<NymAPIError> },
+
    #[error("Compact ecash internal error: {0}")]
    CompactEcashInternalError(#[from] nym_compact_ecash::error::CompactEcashError),

@@ -128,6 +131,38 @@ pub enum CredentialProxyError {
        #[from]
        source: SignerCheckError,
    },
+
+    #[error(
+        "this operation couldn't be completed as the program is in the process of shutting down"
+    )]
+    ShutdownInProgress,
+
+    #[error("failed to obtain wallet shares with id {id}: {message}")]
+    ShareByIdLoadError { message: String, id: i64 },
+
+    #[error("failed to obtain wallet shares with device_id {device_id} and credential_id: {credential_id}: {message}")]
+    ShareByDeviceLoadError {
+        message: String,
+        device_id: String,
+        credential_id: String,
+    },
+
+    #[error("could not find shares with id {id}")]
+    SharesByIdNotFound { id: i64 },
+
+    #[error("could not find shares with device_id {device_id} and credential_id: {credential_id}")]
+    SharesByDeviceNotFound {
+        device_id: String,
+        credential_id: String,
+    },
+}
+
+impl From<NymAPIError> for CredentialProxyError {
+    fn from(source: NymAPIError) -> Self {
+        CredentialProxyError::NymApiFailure {
+            source: Box::new(source),
+        }
+    }
 }

 impl CredentialProxyError {
@@ -0,0 +1,67 @@
+// Copyright 2025 - Nym Technologies SA <contact@nymtech.net>
+// SPDX-License-Identifier: GPL-3.0-only
+
+use rand::rngs::OsRng;
+use rand::RngCore;
+use time::OffsetDateTime;
+use tracing::{debug, info, warn};
+use uuid::Uuid;
+
+pub fn random_uuid() -> Uuid {
+    let mut bytes = [0u8; 16];
+    let mut rng = OsRng;
+    rng.fill_bytes(&mut bytes);
+    Uuid::from_bytes(bytes)
+}
+
+pub struct LockTimer {
+    created: OffsetDateTime,
+    message: String,
+}
+
+impl LockTimer {
+    pub fn new<S: Into<String>>(message: S) -> Self {
+        LockTimer {
+            message: message.into(),
+            ..Default::default()
+        }
+    }
+}
+
+impl Drop for LockTimer {
+    fn drop(&mut self) {
+        let time_taken = OffsetDateTime::now_utc() - self.created;
+        let time_taken_formatted = humantime::format_duration(time_taken.unsigned_abs());
+        if time_taken > time::Duration::SECOND * 10 {
+            warn!(time_taken = %time_taken_formatted, "{}", self.message)
+        } else if time_taken > time::Duration::SECOND * 5 {
+            info!(time_taken = %time_taken_formatted, "{}", self.message)
+        } else {
+            debug!(time_taken = %time_taken_formatted, "{}", self.message)
+        };
+    }
+}
+
+impl Default for LockTimer {
+    fn default() -> Self {
+        LockTimer {
+            created: OffsetDateTime::now_utc(),
+            message: "released the lock".to_string(),
+        }
+    }
+}
+
+// #[allow(clippy::panic)]
+// fn build_sha_short() -> &'static str {
+//     let bin_info = bin_info!();
+//     if bin_info.commit_sha.len() < 7 {
+//         panic!("unavailable build commit sha")
+//     }
+//
+//     if bin_info.commit_sha == "VERGEN_IDEMPOTENT_OUTPUT" {
+//         error!("the binary hasn't been built correctly. it doesn't have a commit sha information");
+//         return "unknown";
+//     }
+//
+//     &bin_info.commit_sha[..7]
+// }
@@ -1,11 +1,12 @@
-// Copyright 2024 Nym Technologies SA <contact@nymtech.net>
-// SPDX-License-Identifier: GPL-3.0-only
+// Copyright 2025 - Nym Technologies SA <contact@nymtech.net>
+// SPDX-License-Identifier: Apache-2.0

 use crate::error::CredentialProxyError;
 use axum::http::StatusCode;
 use axum::response::{IntoResponse, Response};
 use axum::Json;
 use nym_credential_proxy_requests::api::v1::ErrorResponse;
+use tracing::warn;
 use uuid::Uuid;

 #[derive(Debug, Clone)]
@@ -35,6 +36,10 @@ impl RequestError {
        }
    }

+    pub fn new_plain_error(err: CredentialProxyError) -> Self {
+        Self::from_err(err, StatusCode::INTERNAL_SERVER_ERROR)
+    }
+
    pub fn new_server_error(err: CredentialProxyError, uuid: Uuid) -> Self {
        RequestError::new_with_uuid(err.to_string(), uuid, StatusCode::INTERNAL_SERVER_ERROR)
    }
@@ -59,3 +64,12 @@ impl IntoResponse for RequestError {
        (self.status, Json(self.inner)).into_response()
    }
 }
+
+pub fn db_failure<T>(err: CredentialProxyError, uuid: Uuid) -> Result<T, RequestError> {
+    warn!("db failure: {err}");
+    Err(RequestError::new_with_uuid(
+        format!("oh no, something went wrong {err}"),
+        uuid,
+        StatusCode::INTERNAL_SERVER_ERROR,
+    ))
+}
@@ -0,0 +1,13 @@
+// Copyright 2025 Nym Technologies SA <contact@nymtech.net>
+// SPDX-License-Identifier: GPL-3.0-only
+
+pub mod deposits_buffer;
+pub mod error;
+pub mod helpers;
+pub mod http_helpers;
+pub mod nym_api_helpers;
+pub mod quorum_checker;
+pub mod shared_state;
+pub mod storage;
+pub mod ticketbook_manager;
+pub mod webhook;
@@ -19,9 +19,9 @@ use time::{Date, OffsetDateTime};
 use tokio::sync::{Mutex, RwLock, RwLockReadGuard};
 use tracing::warn;

-pub(crate) struct CachedEpoch {
+pub struct CachedEpoch {
    valid_until: OffsetDateTime,
-    pub(crate) current_epoch: Epoch,
+    pub current_epoch: Epoch,
 }

 impl Default for CachedEpoch {
@@ -34,11 +34,11 @@ impl Default for CachedEpoch {
 }

 impl CachedEpoch {
-    pub(crate) fn is_valid(&self) -> bool {
+    pub fn is_valid(&self) -> bool {
        self.valid_until > OffsetDateTime::now_utc()
    }

-    pub(crate) fn update(&mut self, epoch: Epoch) {
+    pub fn update(&mut self, epoch: Epoch) {
        let now = OffsetDateTime::now_utc();

        let validity_duration = if let Some(epoch_finish) = epoch.deadline {
@@ -58,13 +58,13 @@ impl CachedEpoch {
 }

 // a map of items that never change for given key
-pub(crate) struct CachedImmutableItems<K, V> {
+pub struct CachedImmutableItems<K, V> {
    // I wonder if there's a more efficient structure with OnceLock or OnceCell or something
    inner: RwLock<HashMap<K, V>>,
 }

 // an item that stays constant throughout given epoch
-pub(crate) type CachedImmutableEpochItem<T> = CachedImmutableItems<EpochId, T>;
+pub type CachedImmutableEpochItem<T> = CachedImmutableItems<EpochId, T>;

 impl<K, V> Default for CachedImmutableItems<K, V> {
    fn default() -> Self {
@@ -86,11 +86,7 @@ impl<K, V> CachedImmutableItems<K, V>
 where
    K: Eq + Hash,
 {
-    pub(crate) async fn get_or_init<F, U, E>(
-        &self,
-        key: K,
-        f: F,
-    ) -> Result<RwLockReadGuard<'_, V>, E>
+    pub async fn get_or_init<F, U, E>(&self, key: K, f: F) -> Result<RwLockReadGuard<'_, V>, E>
    where
        F: FnOnce() -> U,
        U: Future<Output = Result<V, E>>,
@@ -129,9 +125,7 @@ where
    }
 }

-pub(crate) fn ensure_sane_expiration_date(
-    expiration_date: Date,
-) -> Result<(), CredentialProxyError> {
+pub fn ensure_sane_expiration_date(expiration_date: Date) -> Result<(), CredentialProxyError> {
    let today = ecash_today();

    if expiration_date < today.date() {
@@ -146,7 +140,7 @@ pub(crate) fn ensure_sane_expiration_date(
    Ok(())
 }

-pub(crate) async fn query_all_threshold_apis<F, T, U>(
+pub async fn query_all_threshold_apis<F, T, U>(
    all_apis: Vec<EcashApiClient>,
    threshold: u64,
    f: F,
@@ -2,7 +2,7 @@
 // SPDX-License-Identifier: GPL-3.0-only

 use crate::error::CredentialProxyError;
-use crate::http::state::ChainClient;
+use crate::shared_state::nyxd_client::ChainClient;
 use nym_ecash_signer_check::{check_known_dealers, dkg_details_with_client};
 use std::ops::Deref;
 use std::sync::atomic::{AtomicBool, Ordering};
@@ -12,17 +12,17 @@ use tokio_util::sync::CancellationToken;
 use tracing::{error, info, warn};

 #[derive(Clone)]
-pub(crate) struct QuorumState {
+pub struct QuorumState {
    available: Arc<AtomicBool>,
 }

 impl QuorumState {
-    pub(crate) fn available(&self) -> bool {
+    pub fn available(&self) -> bool {
        self.available.load(Ordering::Acquire)
    }
 }

-pub(crate) struct QuorumStateChecker {
+pub struct QuorumStateChecker {
    client: ChainClient,
    cancellation_token: CancellationToken,
    check_interval: Duration,
@@ -0,0 +1,49 @@
+// Copyright 2025 Nym Technologies SA <contact@nymtech.net>
+// SPDX-License-Identifier: GPL-3.0-only
+
+use crate::nym_api_helpers::{CachedEpoch, CachedImmutableEpochItem, CachedImmutableItems};
+use crate::quorum_checker::QuorumState;
+use crate::shared_state::required_deposit_cache::RequiredDepositCache;
+use nym_compact_ecash::VerificationKeyAuth;
+use nym_credentials::{AggregatedCoinIndicesSignatures, AggregatedExpirationDateSignatures};
+use nym_validator_client::nym_api::EpochId;
+use nym_validator_client::EcashApiClient;
+use time::Date;
+use tokio::sync::RwLock;
+
+pub struct EcashState {
+    pub required_deposit_cache: RequiredDepositCache,
+
+    pub quorum_state: QuorumState,
+
+    pub cached_epoch: RwLock<CachedEpoch>,
+
+    pub master_verification_key: CachedImmutableEpochItem<VerificationKeyAuth>,
+
+    pub threshold_values: CachedImmutableEpochItem<u64>,
+
+    pub epoch_clients: CachedImmutableEpochItem<Vec<EcashApiClient>>,
+
+    pub coin_index_signatures: CachedImmutableEpochItem<AggregatedCoinIndicesSignatures>,
+
+    pub expiration_date_signatures:
+        CachedImmutableItems<(EpochId, Date), AggregatedExpirationDateSignatures>,
+}
+
+impl EcashState {
+    pub fn new(
+        required_deposit_cache: RequiredDepositCache,
+        quorum_state: QuorumState,
+    ) -> EcashState {
+        EcashState {
+            required_deposit_cache,
+            quorum_state,
+            cached_epoch: Default::default(),
+            master_verification_key: Default::default(),
+            threshold_values: Default::default(),
+            epoch_clients: Default::default(),
+            coin_index_signatures: Default::default(),
+            expiration_date_signatures: Default::default(),
+        }
+    }
+}
@@ -0,0 +1,496 @@
+// Copyright 2025 - Nym Technologies SA <contact@nymtech.net>
+// SPDX-License-Identifier: GPL-3.0-only
+
+use crate::deposits_buffer::{BufferedDeposit, DepositsBuffer};
+use crate::error::CredentialProxyError;
+use crate::nym_api_helpers::{ensure_sane_expiration_date, query_all_threshold_apis};
+use crate::shared_state::ecash_state::EcashState;
+use crate::shared_state::nyxd_client::ChainClient;
+use crate::storage::CredentialProxyStorage;
+use nym_compact_ecash::scheme::coin_indices_signatures::{
+    aggregate_annotated_indices_signatures, CoinIndexSignatureShare,
+};
+use nym_compact_ecash::scheme::expiration_date_signatures::{
+    aggregate_annotated_expiration_signatures, ExpirationDateSignatureShare,
+};
+use nym_compact_ecash::{Base58, PublicKeyUser, VerificationKeyAuth};
+use nym_credential_proxy_requests::api::v1::ticketbook::models::{
+    AggregatedCoinIndicesSignaturesResponse, AggregatedExpirationDateSignaturesResponse,
+    GlobalDataParams, MasterVerificationKeyResponse,
+};
+use nym_credentials::ecash::utils::EcashTime;
+use nym_credentials::{
+    AggregatedCoinIndicesSignatures, AggregatedExpirationDateSignatures, EpochVerificationKey,
+};
+use nym_ecash_contract_common::deposit::DepositId;
+use nym_validator_client::client::NymApiClientExt;
+use nym_validator_client::coconut::EcashApiError;
+use nym_validator_client::nym_api::EpochId;
+use nym_validator_client::nyxd::contract_traits::dkg_query_client::Epoch;
+use nym_validator_client::nyxd::contract_traits::{DkgQueryClient, PagedDkgQueryClient};
+use nym_validator_client::nyxd::Coin;
+use nym_validator_client::{DirectSigningHttpRpcNyxdClient, EcashApiClient};
+use std::sync::Arc;
+use std::time::Duration;
+use time::{Date, OffsetDateTime};
+use tokio::sync::RwLockReadGuard;
+use tokio::time::Instant;
+use tracing::{debug, error, info, warn};
+use uuid::Uuid;
+
+pub mod ecash_state;
+pub mod nyxd_client;
+pub mod required_deposit_cache;
+
+#[derive(Clone)]
+pub struct CredentialProxyState {
+    inner: Arc<CredentialProxyStateInner>,
+}
+
+impl CredentialProxyState {
+    pub fn new(
+        storage: CredentialProxyStorage,
+        client: ChainClient,
+        deposits_buffer: DepositsBuffer,
+        ecash_state: EcashState,
+    ) -> Self {
+        CredentialProxyState {
+            inner: Arc::new(CredentialProxyStateInner {
+                storage,
+                client,
+                deposits_buffer,
+                ecash_state,
+            }),
+        }
+    }
+
+    pub fn storage(&self) -> &CredentialProxyStorage {
+        &self.inner.storage
+    }
+
+    pub async fn deposit_amount(&self) -> Result<Coin, CredentialProxyError> {
+        self.ecash_state()
+            .required_deposit_cache
+            .get_or_update(self.client())
+            .await
+    }
+
+    pub fn client(&self) -> &ChainClient {
+        &self.inner.client
+    }
+
+    pub fn deposits_buffer(&self) -> &DepositsBuffer {
+        &self.inner.deposits_buffer
+    }
+
+    pub fn ecash_state(&self) -> &EcashState {
+        &self.inner.ecash_state
+    }
+
+    pub(crate) async fn query_chain(&self) -> RwLockReadGuard<'_, DirectSigningHttpRpcNyxdClient> {
+        self.inner.client.query_chain().await
+    }
+
+    pub async fn ensure_credentials_issuable(&self) -> Result<(), CredentialProxyError> {
+        let epoch = self.current_epoch().await?;
+
+        if epoch.state.is_final() {
+            Ok(())
+        } else if let Some(final_timestamp) = epoch.final_timestamp_secs() {
+            // SAFETY: the timestamp values in our DKG contract should be valid timestamps,
+            // otherwise it means the chain is seriously misbehaving
+            #[allow(clippy::unwrap_used)]
+            let finish_dt = OffsetDateTime::from_unix_timestamp(final_timestamp as i64).unwrap();
+
+            Err(CredentialProxyError::CredentialsNotYetIssuable {
+                availability: finish_dt,
+            })
+        } else if epoch.state.is_waiting_initialisation() {
+            Err(CredentialProxyError::UninitialisedDkg)
+        } else {
+            Err(CredentialProxyError::UnknownEcashFailure)
+        }
+    }
+
+    pub async fn get_deposit(
+        &self,
+        request_uuid: Uuid,
+        requested_on: OffsetDateTime,
+        client_pubkey: PublicKeyUser,
+    ) -> Result<BufferedDeposit, CredentialProxyError> {
+        let start = Instant::now();
+        let deposit = self
+            .deposits_buffer()
+            .get_valid_deposit(request_uuid, requested_on, client_pubkey)
+            .await;
+
+        let time_taken = start.elapsed();
+        let formatted = humantime::format_duration(time_taken);
+        if time_taken > Duration::from_secs(10) {
+            warn!("attempting to get buffered deposit took {formatted}. perhaps the buffer is too small or the process/chain is overloaded?")
+        } else {
+            debug!("attempting to get buffered deposit took {formatted}")
+        };
+
+        deposit
+    }
+
+    pub async fn insert_deposit_usage_error(&self, deposit_id: DepositId, error: String) {
+        if let Err(err) = self
+            .storage()
+            .insert_deposit_usage_error(deposit_id, error)
+            .await
+        {
+            error!("failed to insert information about deposit (id: {deposit_id}) usage failure: {err}")
+        }
+    }
+
+    pub async fn current_epoch_id(&self) -> Result<EpochId, CredentialProxyError> {
+        let read_guard = self.inner.ecash_state.cached_epoch.read().await;
+        if read_guard.is_valid() {
+            return Ok(read_guard.current_epoch.epoch_id);
+        }
+
+        // update cache
+        drop(read_guard);
+        let mut write_guard = self.inner.ecash_state.cached_epoch.write().await;
+        let epoch = self.query_chain().await.get_current_epoch().await?;
+
+        write_guard.update(epoch);
+        Ok(epoch.epoch_id)
+    }
+
+    pub async fn current_epoch(&self) -> Result<Epoch, CredentialProxyError> {
+        let read_guard = self.ecash_state().cached_epoch.read().await;
+        if read_guard.is_valid() {
+            return Ok(read_guard.current_epoch);
+        }
+
+        // update cache
+        drop(read_guard);
+        let mut write_guard = self.ecash_state().cached_epoch.write().await;
+        let epoch = self.query_chain().await.get_current_epoch().await?;
+
+        write_guard.update(epoch);
+        Ok(epoch)
+    }
+
+    pub async fn global_data(
+        &self,
+        global_data: GlobalDataParams,
+        epoch_id: EpochId,
+        expiration_date: Date,
+    ) -> Result<
+        (
+            Option<MasterVerificationKeyResponse>,
+            Option<AggregatedExpirationDateSignaturesResponse>,
+            Option<AggregatedCoinIndicesSignaturesResponse>,
+        ),
+        CredentialProxyError,
+    > {
+        let master_verification_key = if global_data.include_master_verification_key {
+            debug!("including master verification key in the response");
+            Some(
+                self.master_verification_key(Some(epoch_id))
+                    .await
+                    .map(|key| MasterVerificationKeyResponse {
+                        epoch_id,
+                        bs58_encoded_key: key.to_bs58(),
+                    })
+                    .inspect_err(|err| warn!("request failure: {err}"))?,
+            )
+        } else {
+            None
+        };
+
+        let aggregated_expiration_date_signatures =
+            if global_data.include_expiration_date_signatures {
+                debug!("including expiration date signatures in the response");
+                Some(
+                    self.master_expiration_date_signatures(epoch_id, expiration_date)
+                        .await
+                        .map(|signatures| AggregatedExpirationDateSignaturesResponse {
+                            signatures: signatures.clone(),
+                        })
+                        .inspect_err(|err| warn!("request failure: {err}"))?,
+                )
+            } else {
+                None
+            };
+
+        let aggregated_coin_index_signatures = if global_data.include_coin_index_signatures {
+            debug!("including coin index signatures in the response");
+            Some(
+                self.master_coin_index_signatures(Some(epoch_id))
+                    .await
+                    .map(|signatures| AggregatedCoinIndicesSignaturesResponse {
+                        signatures: signatures.clone(),
+                    })
+                    .inspect_err(|err| warn!("request failure: {err}"))?,
+            )
+        } else {
+            None
+        };
+
+        Ok((
+            master_verification_key,
+            aggregated_expiration_date_signatures,
+            aggregated_coin_index_signatures,
+        ))
+    }
+
+    pub async fn master_verification_key(
+        &self,
+        epoch_id: Option<EpochId>,
+    ) -> Result<RwLockReadGuard<'_, VerificationKeyAuth>, CredentialProxyError> {
+        let epoch_id = match epoch_id {
+            Some(id) => id,
+            None => self.current_epoch_id().await?,
+        };
+
+        self.inner
+            .ecash_state
+            .master_verification_key
+            .get_or_init(epoch_id, || async {
+                // 1. check the storage
+                if let Some(stored) = self
+                    .inner
+                    .storage
+                    .get_master_verification_key(epoch_id)
+                    .await?
+                {
+                    return Ok(stored.key);
+                }
+
+                info!("attempting to establish master verification key for epoch {epoch_id}...");
+
+                // 2. perform actual aggregation
+                let all_apis = self.ecash_clients(epoch_id).await?;
+                let threshold = self.ecash_threshold(epoch_id).await?;
+
+                if all_apis.len() < threshold as usize {
+                    return Err(CredentialProxyError::InsufficientNumberOfSigners {
+                        threshold,
+                        available: all_apis.len(),
+                    });
+                }
+
+                let master_key = nym_credentials::aggregate_verification_keys(&all_apis)?;
+
+                let epoch = EpochVerificationKey {
+                    epoch_id,
+                    key: master_key,
+                };
+
+                // 3. save the key in the storage for when we reboot
+                self.inner
+                    .storage
+                    .insert_master_verification_key(&epoch)
+                    .await?;
+
+                Ok(epoch.key)
+            })
+            .await
+    }
+
+    pub async fn master_coin_index_signatures(
+        &self,
+        epoch_id: Option<EpochId>,
+    ) -> Result<RwLockReadGuard<'_, AggregatedCoinIndicesSignatures>, CredentialProxyError> {
+        let epoch_id = match epoch_id {
+            Some(id) => id,
+            None => self.current_epoch_id().await?,
+        };
+
+        self.inner
+            .ecash_state
+            .coin_index_signatures
+            .get_or_init(epoch_id, || async {
+                // 1. check the storage
+                if let Some(master_sigs) = self
+                    .inner
+                    .storage
+                    .get_master_coin_index_signatures(epoch_id)
+                    .await?
+                {
+                    return Ok(master_sigs);
+                }
+
+                info!(
+                    "attempting to establish master coin index signatures for epoch {epoch_id}..."
+                );
+
+                // 2. go around APIs and attempt to aggregate the data
+                let master_vk = self.master_verification_key(Some(epoch_id)).await?;
+                let all_apis = self.ecash_clients(epoch_id).await?;
+                let threshold = self.ecash_threshold(epoch_id).await?;
+
+                let get_partial_signatures = |api: EcashApiClient| async {
+                    // move the api into the closure
+                    let api = api;
+                    let node_index = api.node_id;
+                    let partial_vk = api.verification_key;
+
+                    let partial = api
+                        .api_client
+                        .partial_coin_indices_signatures(Some(epoch_id))
+                        .await?
+                        .signatures;
+                    Ok(CoinIndexSignatureShare {
+                        index: node_index,
+                        key: partial_vk,
+                        signatures: partial,
+                    })
+                };
+
+                let shares =
+                    query_all_threshold_apis(all_apis.clone(), threshold, get_partial_signatures)
+                        .await?;
+
+                let aggregated = aggregate_annotated_indices_signatures(
+                    nym_credentials_interface::ecash_parameters(),
+                    &master_vk,
+                    &shares,
+                )?;
+
+                let sigs = AggregatedCoinIndicesSignatures {
+                    epoch_id,
+                    signatures: aggregated,
+                };
+
+                // 3. save the signatures in the storage for when we reboot
+                self.inner
+                    .storage
+                    .insert_master_coin_index_signatures(&sigs)
+                    .await?;
+
+                Ok(sigs)
+            })
+            .await
+    }
+
+    pub async fn master_expiration_date_signatures(
+        &self,
+        epoch_id: EpochId,
+        expiration_date: Date,
+    ) -> Result<RwLockReadGuard<'_, AggregatedExpirationDateSignatures>, CredentialProxyError> {
+        self.inner.ecash_state
+            .expiration_date_signatures
+            .get_or_init((epoch_id, expiration_date), || async {
+                // 1. sanity check to see if the expiration_date is not nonsense
+                ensure_sane_expiration_date(expiration_date)?;
+
+                // 2. check the storage
+                if let Some(master_sigs) = self
+                    .storage()
+                    .get_master_expiration_date_signatures(expiration_date, epoch_id)
+                    .await?
+                {
+                    return Ok(master_sigs);
+                }
+
+
+                info!(
+                    "attempting to establish master expiration date signatures for {expiration_date} and epoch {epoch_id}..."
+                );
+
+                // 3. go around APIs and attempt to aggregate the data
+                let epoch_id = self.current_epoch_id().await?;
+                let master_vk = self.master_verification_key(Some(epoch_id)).await?;
+                let all_apis = self.ecash_clients(epoch_id).await?;
+                let threshold = self.ecash_threshold(epoch_id).await?;
+
+                let get_partial_signatures = |api: EcashApiClient| async {
+                    // move the api into the closure
+                    let api = api;
+                    let node_index = api.node_id;
+                    let partial_vk = api.verification_key;
+
+                    let partial = api
+                        .api_client
+                        .partial_expiration_date_signatures(Some(expiration_date), Some(epoch_id))
+                        .await?
+                        .signatures;
+                    Ok(ExpirationDateSignatureShare {
+                        index: node_index,
+                        key: partial_vk,
+                        signatures: partial,
+                    })
+                };
+
+                let shares =
+                    query_all_threshold_apis(all_apis.clone(), threshold, get_partial_signatures)
+                        .await?;
+
+                let aggregated = aggregate_annotated_expiration_signatures(
+                    &master_vk,
+                    expiration_date.ecash_unix_timestamp(),
+                    &shares,
+                )?;
+
+                let sigs = AggregatedExpirationDateSignatures {
+                    epoch_id,
+                    expiration_date,
+                    signatures: aggregated,
+                };
+
+                // 4. save the signatures in the storage for when we reboot
+                self.inner.storage
+                    .insert_master_expiration_date_signatures(&sigs)
+                    .await?;
+
+                Ok(sigs)
+            })
+            .await
+    }
+
+    pub async fn ecash_clients(
+        &self,
+        epoch_id: EpochId,
+    ) -> Result<RwLockReadGuard<'_, Vec<EcashApiClient>>, CredentialProxyError> {
+        self.inner
+            .ecash_state
+            .epoch_clients
+            .get_or_init(epoch_id, || async {
+                Ok(self
+                    .query_chain()
+                    .await
+                    .get_all_verification_key_shares(epoch_id)
+                    .await?
+                    .into_iter()
+                    .map(TryInto::try_into)
+                    .collect::<anyhow::Result<Vec<_>, EcashApiError>>()?)
+            })
+            .await
+    }
+
+    pub async fn ecash_threshold(&self, epoch_id: EpochId) -> Result<u64, CredentialProxyError> {
+        self.inner
+            .ecash_state
+            .threshold_values
+            .get_or_init(epoch_id, || async {
+                if let Some(threshold) = self
+                    .query_chain()
+                    .await
+                    .get_epoch_threshold(epoch_id)
+                    .await?
+                {
+                    Ok(threshold)
+                } else {
+                    Err(CredentialProxyError::UnavailableThreshold { epoch_id })
+                }
+            })
+            .await
+            .map(|t| *t)
+    }
+}
+
+struct CredentialProxyStateInner {
+    storage: CredentialProxyStorage,
+
+    client: ChainClient,
+
+    deposits_buffer: DepositsBuffer,
+
+    ecash_state: EcashState,
+}
@@ -0,0 +1,126 @@
+// Copyright 2025 - Nym Technologies SA <contact@nymtech.net>
+// SPDX-License-Identifier: Apache-2.0
+
+use crate::error::CredentialProxyError;
+use crate::helpers::LockTimer;
+use nym_ecash_contract_common::msg::ExecuteMsg;
+use nym_validator_client::nyxd::contract_traits::NymContractsProvider;
+use nym_validator_client::nyxd::cosmwasm_client::types::ExecuteResult;
+use nym_validator_client::nyxd::{Coin, CosmWasmClient, NyxdClient};
+use nym_validator_client::{nyxd, DirectSigningHttpRpcNyxdClient};
+use std::ops::Deref;
+use std::sync::Arc;
+use std::time::Duration;
+use tokio::sync::{RwLock, RwLockReadGuard, RwLockWriteGuard};
+use tracing::{instrument, warn};
+
+#[derive(Clone)]
+pub struct ChainClient(Arc<RwLock<DirectSigningHttpRpcNyxdClient>>);
+
+impl ChainClient {
+    pub fn new(mnemonic: bip39::Mnemonic) -> Result<Self, CredentialProxyError> {
+        let network_details = nym_network_defaults::NymNetworkDetails::new_from_env();
+        let client_config = nyxd::Config::try_from_nym_network_details(&network_details)?;
+
+        let nyxd_url = network_details
+            .endpoints
+            .first()
+            .ok_or_else(|| CredentialProxyError::NoNyxEndpointsAvailable)?
+            .nyxd_url
+            .as_str();
+
+        let client = NyxdClient::connect_with_mnemonic(client_config, nyxd_url, mnemonic)?;
+
+        if client.ecash_contract_address().is_none() {
+            return Err(CredentialProxyError::UnavailableEcashContract);
+        }
+
+        if client.dkg_contract_address().is_none() {
+            return Err(CredentialProxyError::UnavailableDKGContract);
+        }
+
+        Ok(ChainClient(Arc::new(RwLock::new(client))))
+    }
+
+    pub async fn query_chain(&self) -> ChainReadPermit<'_> {
+        let _acquire_timer = LockTimer::new("acquire chain query permit");
+        self.0.read().await
+    }
+
+    pub async fn start_chain_tx(&self) -> ChainWritePermit<'_> {
+        let _acquire_timer = LockTimer::new("acquire exclusive chain write permit");
+
+        ChainWritePermit {
+            lock_timer: LockTimer::new("exclusive chain access permit"),
+            inner: self.0.write().await,
+        }
+    }
+}
+
+pub type ChainReadPermit<'a> = RwLockReadGuard<'a, DirectSigningHttpRpcNyxdClient>;
+
+// explicitly wrap the WriteGuard for extra information regarding time taken
+pub struct ChainWritePermit<'a> {
+    // it's not really dead, we only care about it being dropped
+    #[allow(dead_code)]
+    lock_timer: LockTimer,
+    inner: RwLockWriteGuard<'a, DirectSigningHttpRpcNyxdClient>,
+}
+
+impl ChainWritePermit<'_> {
+    #[instrument(skip(self, short_sha, info), err(Display))]
+    pub async fn make_deposits(
+        self,
+        short_sha: &'static str,
+        info: Vec<(String, Coin)>,
+    ) -> Result<ExecuteResult, CredentialProxyError> {
+        let address = self.inner.address();
+        let starting_sequence = self.inner.get_sequence(&address).await?.sequence;
+
+        let deposits = info.len();
+
+        let ecash_contract = self
+            .inner
+            .ecash_contract_address()
+            .ok_or(CredentialProxyError::UnavailableEcashContract)?;
+        let deposit_messages = info
+            .into_iter()
+            .map(|(identity_key, amount)| {
+                (
+                    ExecuteMsg::DepositTicketBookFunds { identity_key },
+                    vec![amount],
+                )
+            })
+            .collect::<Vec<_>>();
+
+        let res = self
+            .inner
+            .execute_multiple(
+                ecash_contract,
+                deposit_messages,
+                None,
+                format!("cp-{short_sha}: performing {deposits} deposits"),
+            )
+            .await?;
+
+        loop {
+            let updated_sequence = self.inner.get_sequence(&address).await?.sequence;
+
+            if updated_sequence > starting_sequence {
+                break;
+            }
+            warn!("wrong sequence number... waiting before releasing chain lock");
+            tokio::time::sleep(Duration::from_millis(50)).await;
+        }
+
+        Ok(res)
+    }
+}
+
+impl Deref for ChainWritePermit<'_> {
+    type Target = DirectSigningHttpRpcNyxdClient;
+
+    fn deref(&self) -> &Self::Target {
+        self.inner.deref()
+    }
+}
@@ -2,14 +2,14 @@
 // SPDX-License-Identifier: GPL-3.0-only

 use crate::error::CredentialProxyError;
-use crate::http::state::ChainClient;
+use crate::shared_state::nyxd_client::ChainClient;
 use nym_validator_client::nyxd::contract_traits::EcashQueryClient;
 use nym_validator_client::nyxd::Coin;
 use std::sync::Arc;
 use time::OffsetDateTime;
 use tokio::sync::RwLock;

-pub(crate) struct CachedDeposit {
+pub struct CachedDeposit {
    valid_until: OffsetDateTime,
    required_amount: Coin,
 }
@@ -40,12 +40,12 @@ impl Default for CachedDeposit {
 }

 #[derive(Clone, Default)]
-pub(crate) struct RequiredDepositCache {
+pub struct RequiredDepositCache {
    inner: Arc<RwLock<CachedDeposit>>,
 }

 impl RequiredDepositCache {
-    pub(crate) async fn get_or_update(
+    pub async fn get_or_update(
        &self,
        chain_client: &ChainClient,
    ) -> Result<Coin, CredentialProxyError> {
@@ -1,7 +1,6 @@
 // Copyright 2024 - Nym Technologies SA <contact@nymtech.net>
 // SPDX-License-Identifier: GPL-3.0-only

-use crate::credentials::ticketbook::NodeId;
 use crate::deposits_buffer::helpers::{BufferedDeposit, PerformedDeposits};
 use crate::error::CredentialProxyError;
 use crate::storage::manager::SqliteStorageManager;
@@ -26,6 +25,10 @@ use uuid::Uuid;

 mod manager;
 pub mod models;
+pub(crate) mod pruner;
+
+// TODO: proper import
+type NodeId = u64;

 #[derive(Clone)]
 pub struct CredentialProxyStorage {
@@ -74,7 +77,7 @@ impl CredentialProxyStorage {
    }

    #[allow(dead_code)]
-    pub(crate) async fn load_blinded_shares_status_by_shares_id(
+    pub async fn load_blinded_shares_status_by_shares_id(
        &self,
        id: i64,
    ) -> Result<Option<BlindedShares>, CredentialProxyError> {
@@ -84,7 +87,7 @@ impl CredentialProxyStorage {
            .await?)
    }

-    pub(crate) async fn load_wallet_shares_by_shares_id(
+    pub async fn load_wallet_shares_by_shares_id(
        &self,
        id: i64,
    ) -> Result<Vec<MinimalWalletShare>, CredentialProxyError> {
@@ -94,7 +97,7 @@ impl CredentialProxyStorage {
            .await?)
    }

-    pub(crate) async fn load_shares_error_by_shares_id(
+    pub async fn load_shares_error_by_shares_id(
        &self,
        id: i64,
    ) -> Result<Option<String>, CredentialProxyError> {
@@ -105,7 +108,7 @@ impl CredentialProxyStorage {
    }

    #[allow(dead_code)]
-    pub(crate) async fn load_blinded_shares_status_by_device_and_credential_id(
+    pub async fn load_blinded_shares_status_by_device_and_credential_id(
        &self,
        device_id: &str,
        credential_id: &str,
@@ -116,7 +119,7 @@ impl CredentialProxyStorage {
            .await?)
    }

-    pub(crate) async fn load_wallet_shares_by_device_and_credential_id(
+    pub async fn load_wallet_shares_by_device_and_credential_id(
        &self,
        device_id: &str,
        credential_id: &str,
@@ -127,7 +130,7 @@ impl CredentialProxyStorage {
            .await?)
    }

-    pub(crate) async fn load_shares_error_by_device_and_credential_id(
+    pub async fn load_shares_error_by_device_and_credential_id(
        &self,
        device_id: &str,
        credential_id: &str,
@@ -138,7 +141,7 @@ impl CredentialProxyStorage {
            .await?)
    }

-    pub(crate) async fn insert_new_pending_async_shares_request(
+    pub async fn insert_new_pending_async_shares_request(
        &self,
        request: Uuid,
        device_id: &str,
@@ -150,7 +153,7 @@ impl CredentialProxyStorage {
            .await?)
    }

-    pub(crate) async fn update_pending_async_blinded_shares_issued(
+    pub async fn update_pending_async_blinded_shares_issued(
        &self,
        available_shares: usize,
        device_id: &str,
@@ -166,7 +169,7 @@ impl CredentialProxyStorage {
            .await?)
    }

-    pub(crate) async fn update_pending_async_blinded_shares_error(
+    pub async fn update_pending_async_blinded_shares_error(
        &self,
        available_shares: usize,
        device_id: &str,
@@ -184,7 +187,7 @@ impl CredentialProxyStorage {
            .await?)
    }

-    pub(crate) async fn prune_old_blinded_shares(&self) -> Result<(), CredentialProxyError> {
+    pub async fn prune_old_blinded_shares(&self) -> Result<(), CredentialProxyError> {
        let max_age = OffsetDateTime::now_utc() - time::Duration::days(31);

        self.storage_manager
@@ -199,7 +202,7 @@ impl CredentialProxyStorage {
        Ok(())
    }

-    pub(crate) async fn insert_new_deposits(
+    pub async fn insert_new_deposits(
        &self,
        deposits: &PerformedDeposits,
    ) -> Result<(), CredentialProxyError> {
@@ -211,9 +214,7 @@ impl CredentialProxyStorage {
        Ok(())
    }

-    pub(crate) async fn load_unused_deposits(
-        &self,
-    ) -> Result<Vec<BufferedDeposit>, CredentialProxyError> {
+    pub async fn load_unused_deposits(&self) -> Result<Vec<BufferedDeposit>, CredentialProxyError> {
        self.storage_manager
            .load_unused_deposits()
            .await?
@@ -222,7 +223,7 @@ impl CredentialProxyStorage {
            .collect()
    }

-    pub(crate) async fn insert_deposit_usage(
+    pub async fn insert_deposit_usage(
        &self,
        deposit_id: DepositId,
        requested_on: OffsetDateTime,
@@ -240,7 +241,7 @@ impl CredentialProxyStorage {
        Ok(())
    }

-    pub(crate) async fn insert_deposit_usage_error(
+    pub async fn insert_deposit_usage_error(
        &self,
        deposit_id: DepositId,
        error: String,
@@ -251,7 +252,7 @@ impl CredentialProxyStorage {
        Ok(())
    }

-    pub(crate) async fn insert_partial_wallet_share(
+    pub async fn insert_partial_wallet_share(
        &self,
        deposit_id: DepositId,
        epoch_id: EpochId,
@@ -291,7 +292,7 @@ impl CredentialProxyStorage {
        Ok(())
    }

-    pub(crate) async fn get_master_verification_key(
+    pub async fn get_master_verification_key(
        &self,
        epoch_id: EpochId,
    ) -> Result<Option<EpochVerificationKey>, CredentialProxyError> {
@@ -309,7 +310,7 @@ impl CredentialProxyStorage {
        Ok(Some(deserialised))
    }

-    pub(crate) async fn insert_master_verification_key(
+    pub async fn insert_master_verification_key(
        &self,
        key: &EpochVerificationKey,
    ) -> Result<(), CredentialProxyError> {
@@ -320,7 +321,7 @@ impl CredentialProxyStorage {
            .await?)
    }

-    pub(crate) async fn get_master_coin_index_signatures(
+    pub async fn get_master_coin_index_signatures(
        &self,
        epoch_id: EpochId,
    ) -> Result<Option<AggregatedCoinIndicesSignatures>, CredentialProxyError> {
@@ -340,7 +341,7 @@ impl CredentialProxyStorage {
        Ok(Some(deserialised))
    }

-    pub(crate) async fn insert_master_coin_index_signatures(
+    pub async fn insert_master_coin_index_signatures(
        &self,
        signatures: &AggregatedCoinIndicesSignatures,
    ) -> Result<(), CredentialProxyError> {
@@ -355,7 +356,7 @@ impl CredentialProxyStorage {
        Ok(())
    }

-    pub(crate) async fn get_master_expiration_date_signatures(
+    pub async fn get_master_expiration_date_signatures(
        &self,
        expiration_date: Date,
        epoch_id: EpochId,
@@ -376,7 +377,7 @@ impl CredentialProxyStorage {
        Ok(Some(deserialised))
    }

-    pub(crate) async fn insert_master_expiration_date_signatures(
+    pub async fn insert_master_expiration_date_signatures(
        &self,
        signatures: &AggregatedExpirationDateSignatures,
    ) -> Result<(), CredentialProxyError> {
@@ -398,7 +399,7 @@ impl CredentialProxyStorage {
 #[cfg(test)]
 mod tests {
    use super::*;
-    use crate::http::helpers;
+    use crate::helpers::random_uuid;
    use crate::storage::models::BlindedSharesStatus;
    use nym_compact_ecash::scheme::keygen::KeyPairUser;
    use nym_crypto::asymmetric::ed25519;
@@ -480,7 +481,7 @@ mod tests {
    async fn test_add() -> anyhow::Result<()> {
        let storage = get_storage().await?;

-        let dummy_uuid = helpers::random_uuid();
+        let dummy_uuid = random_uuid();
        println!("🚀 insert_pending_blinded_share...");

        storage.insert_dummy_used_deposit(dummy_uuid).await?;
--- a/Show More
+++ b/Show More