test(stellar): add chaos harness for integration tests (#123)

.github/workflows/ci.yml

@@ -167,12 +167,22 @@ jobs:
       - run: cargo fmt --all --check
       - run: WRAITH_PROPTEST_CASES=16384 cargo test --workspace --test properties
 
+  stellar-chaos-nightly:
   stellar-deploy-dryrun:
     if: github.event_name == 'schedule'
     runs-on: ubuntu-latest
     defaults:
       run:
         working-directory: stellar
+    env:
+      WRAITHCHAOS_MODE: "1"
+      WRAITHCHAOS_FAILURE_RATE: "0.3"
+      WRAITHCHAOS_SEED: "42"
+    steps:
+      - uses: actions/checkout@v4
+      - uses: dtolnay/rust-toolchain@stable
+      - name: Run chaos integration tests
+        run: cargo test --package integration-tests -- --nocapture
     continue-on-error: true
     steps:
       - uses: actions/checkout@v4

stellar/Cargo.toml

@@ -11,6 +11,7 @@ members = [
   "bench-crossover",
   "wraith-asset-policy",
   "wraith-metrics",
+  "integration-tests",
   "contracts/governance",
 ]
 resolver = "2"

stellar/integration-tests/Cargo.toml

@@ -0,0 +1,14 @@
+[package]
+name = "integration-tests"
+version = "0.1.0"
+edition = "2021"
+
+[dependencies]
+soroban-sdk = { workspace = true }
+stealth-announcer = { path = "../stealth-announcer" }
+stealth-registry = { path = "../stealth-registry" }
+stealth-sender = { path = "../stealth-sender" }
+wraith-names = { path = "../wraith-names" }
+
+[dev-dependencies]
+soroban-sdk = { workspace = true, features = ["testutils"] }

stellar/integration-tests/src/lib.rs

@@ -0,0 +1,5 @@
+//! Crate root for the Stellar integration-tests package.
+//!
+//! The actual test logic lives in `tests/chaos.rs` and the chaos harness in
+//! `tests/harness.rs`. This file exists only so Cargo recognises the package
+//! as a library crate.