Prepare for note transport service binary

.github/pull_request_template.md

@@ -24,7 +24,7 @@ changelog = "none"
 reason    = "Internal change only."
 ```
 
-Allowed scopes: rpc, protocol, docs, node, network-monitor, ntx-builder, prover, validator, internal, general
+Allowed scopes: rpc, protocol, docs, node, note-transport, network-monitor, ntx-builder, prover, validator, internal, general
 Allowed impacts: breaking, migration, added, changed, fixed, removed, deprecated
 -->
 

.github/workflows/docker.yml

@@ -195,10 +195,18 @@ jobs:
           context: .
           push: false
           file: ./Dockerfile
-          target: builder
+          target: build-report
           platforms: ${{ matrix.platform }}
           profile-name: ${{ vars.WARPBUILD_DOCKER_BUILDER_PROFILE }}
           pull: true
+          outputs: type=local,dest=${{ runner.temp }}/kache-report
+
+      - name: Add Kache cache summary
+        run: |
+          {
+            echo "## ${{ matrix.platform }}"
+            cat "${RUNNER_TEMP}/kache-report/kache-report.md"
+          } >> "${GITHUB_STEP_SUMMARY}"
 
   dry-run-docker:
     name: Validate ${{ matrix.component }} image

Cargo.toml

@@ -4,6 +4,7 @@ members = [
   "bin/large-account-benchmark",
   "bin/network-monitor",
   "bin/node",
+  "bin/note-transport",
   "bin/ntx-builder",
   "bin/remote-prover",
   "bin/stress-test",

Dockerfile

@@ -105,21 +105,28 @@ RUN --mount=type=cache,sharing=locked,id=cargo-registry-${TARGETARCH},target=/us
     cargo build --release --locked --jobs "${JOBS}" \
         --bin miden-node \
         --bin miden-validator \
+        --bin miden-note-transport \
         --bin miden-ntx-builder \
         --bin miden-network-monitor \
         --bin miden-remote-prover \
         --bin miden-benchmark && \
     mkdir -p /app/bin && \
     cp /app/target/release/miden-node \
         /app/target/release/miden-validator \
+        /app/target/release/miden-note-transport \
         /app/target/release/miden-ntx-builder \
         /app/target/release/miden-network-monitor \
         /app/target/release/miden-remote-prover \
         /app/target/release/miden-benchmark \
         /app/bin/ && \
+    kache stats && \
+    kache report --format github --output /app/kache-report.md && \
     rm -rf /app/target && \
     kache gc
 
+FROM scratch AS build-report
+COPY --from=builder /app/kache-report.md /kache-report.md
+
 # Baseline runtime image with runtime dependencies installed.
 FROM debian:${DEBIAN_RELEASE}-slim AS runtime-base
 RUN apt-get update && \

Makefile

@@ -149,6 +149,10 @@ install-node: ## Installs node
 install-validator: ## Installs validator
 	cargo install --path bin/validator --locked
 
+.PHONY: install-note-transport
+install-note-transport: ## Installs note transport
+	cargo install --path bin/note-transport --locked
+
 .PHONY: install-ntx-builder
 install-ntx-builder: ## Installs ntx-builder
 	cargo install --path bin/ntx-builder --locked
@@ -206,7 +210,14 @@ local-network-logs: ## Follows logs for the local development network
 	$(DOCKER_COMMAND) compose $(COMPOSE_OVERRIDE_ARGS) $(COMPOSE_PROFILE_ARGS) logs -f
 
 .PHONY: docker-build
-docker-build: docker-build-node docker-build-validator docker-build-ntx-builder docker-build-monitor docker-build-remote-prover docker-build-benchmark ## Builds all Docker images
+docker-build: ## Builds all Docker images
+docker-build: docker-build-node \
+              docker-build-validator \
+              docker-build-note-transport \
+              docker-build-ntx-builder \
+              docker-build-monitor \
+              docker-build-remote-prover \
+              docker-build-benchmark
 
 .PHONY: docker-build-node
 docker-build-node: ## Builds the Miden node using Docker
@@ -234,6 +245,20 @@ docker-build-validator: ## Builds the Miden validator using Docker
                  --build-arg PORT=50101 \
                  -t miden-validator .
 
+.PHONY: docker-build-note-transport
+docker-build-note-transport: ## Builds the Miden note transport service using Docker
+	@CREATED=$$(date -u +'%Y-%m-%dT%H:%M:%SZ') && \
+	VERSION="$(DOCKER_VERSION)" && \
+	COMMIT=$$(git rev-parse HEAD) && \
+	$(DOCKER_COMMAND) build $(DOCKER_PULL_ARG) $(DOCKER_PLATFORM_ARG) \
+                 --build-arg CREATED="$$CREATED" \
+                 --build-arg VERSION="$$VERSION" \
+                 --build-arg COMMIT="$$COMMIT" \
+                 --build-arg BUILDER="$(DOCKER_BUILDER)" \
+                 --build-arg BIN=miden-note-transport \
+                 --build-arg PORT=57292 \
+                 -t miden-note-transport .
+
 .PHONY: docker-build-ntx-builder
 docker-build-ntx-builder: ## Builds the Miden network transaction builder using Docker
 	@CREATED=$$(date -u +'%Y-%m-%dT%H:%M:%SZ') && \

bin/note-transport/Cargo.toml

@@ -0,0 +1,15 @@
+[package]
+authors.workspace      = true
+description            = "Miden Note Transport Service"
+edition.workspace      = true
+homepage.workspace     = true
+keywords               = ["messaging", "miden"]
+license.workspace      = true
+name                   = "miden-note-transport"
+readme.workspace       = true
+repository.workspace   = true
+rust-version.workspace = true
+version.workspace      = true
+
+[lints]
+workspace = true

bin/note-transport/src/main.rs

@@ -0,0 +1 @@
+fn main() {}

xtask/src/changelog.rs

@@ -36,6 +36,7 @@ enum Scope {
     Protocol,
     Docs,
     Node,
+    NoteTransport,
     NetworkMonitor,
     NtxBuilder,
     Prover,

xtask/src/changelog/render.rs

@@ -108,7 +108,7 @@ fn append_callout_entry(notes: &mut String, entry: &ReleaseNoteEntry) {
 }
 
 impl Scope {
-    const fn sort_order() -> [Self; 10] {
+    const fn sort_order() -> [Self; 11] {
         [
             Self::General,
             Self::Protocol,
@@ -117,6 +117,7 @@ impl Scope {
             Self::Prover,
             Self::NtxBuilder,
             Self::Validator,
+            Self::NoteTransport,
             Self::NetworkMonitor,
             Self::Docs,
             Self::Internal,
@@ -134,6 +135,7 @@ impl std::fmt::Display for Scope {
             Self::Prover => "Prover",
             Self::NtxBuilder => "NTX Builder",
             Self::Validator => "Validator",
+            Self::NoteTransport => "Note Transport",
             Self::NetworkMonitor => "Network Monitor",
             Self::Docs => "Docs",
             Self::Internal => "Internal",
@@ -173,7 +175,7 @@ impl std::fmt::Display for Impact {
     }
 }
 
-const SCOPE_ORDER: [Scope; 10] = Scope::sort_order();
+const SCOPE_ORDER: [Scope; 11] = Scope::sort_order();
 
 #[cfg(test)]
 mod tests {

xtask/src/changelog/tests.rs

@@ -106,6 +106,19 @@ description = "Fixed release automation metadata."
     verify_pr_body(&body).unwrap();
 }
 
+#[test]
+fn accepts_note_transport_scope() {
+    let body = valid_body(
+        r#"[[entry]]
+scope       = "note-transport"
+impact      = "added"
+description = "Added the note transport service."
+"#,
+    );
+
+    verify_pr_body(&body).unwrap();
+}
+
 #[test]
 fn accepts_no_changelog_marker() {
     let body = valid_body(