feat: observability layer

.github/workflows/ci.yml

@@ -9,6 +9,10 @@ on:
       - v*
     paths-ignore:
       - "README.md"
+env:
+  CARGO_TERM_COLOR: always
+  RUSTFLAGS: "-Dwarnings"
+
 jobs:
   cargo-clippy:
     runs-on: ubuntu-latest
@@ -28,6 +32,22 @@ jobs:
           cargo clippy -- -D clippy::all -D warnings -A clippy::manual_range_contains
           cargo clippy --tests --benches -- -D clippy::all -D warnings -A clippy::manual_range_contains
 
+  cargo-doc:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@master
+
+      - uses: Swatinem/rust-cache@v2
+
+      - run: rustup component add clippy
+
+      - name: Cargo doc
+        run: |
+          cargo doc --workspace --no-deps
+        env:
+          RUSTDOCFLAGS: "--deny warnings"
+
   reproducible-build:
     runs-on: ubuntu-22.04
     steps:

Cargo.toml

@@ -70,13 +70,16 @@ ic-cdk-macros = "0.17.1"
 ic-certified-map = "0.4"
 ic-metrics-encoder = "1.1"
 ic-stable-structures = "0.6.7"
+maplit = "1.0.2"
 minicbor = { version = "0.25.1", features = ["alloc", "derive"] }
 num-bigint = "0.4.6"
+pin-project = "1.1.9"
 proptest = "1.6.0"
 serde = "1.0"
 serde_json = "1.0"
 serde_bytes = "0.11.15"
 strum = { version = "0.26", features = ["derive"] }
+tokio = "1.43.0"
 tower = "0.5.2"
 thiserror = "2.0.11"
 url = "2.5"

canhttp/Cargo.toml

@@ -11,5 +11,10 @@ documentation = "https://docs.rs/canhttp"
 
 [dependencies]
 ic-cdk = { workspace = true }
+pin-project = {workspace = true}
 tower = { workspace = true, features = ["filter", "retry"] }
-thiserror = { workspace = true }
+thiserror = { workspace = true }
+
+[dev-dependencies]
+maplit = {workspace = true}
+tokio = {workspace = true, features = ["full"]}

canhttp/src/lib.rs

@@ -12,3 +12,4 @@ pub use cycles::{
 
 mod client;
 mod cycles;
+pub mod observability;