`services/txnBot/` is the automation service responsible for keeping the protocol healthy:
- **`recenter()` monitoring** — polls Ponder GraphQL metrics and submits `recenter()` transactions to the LiquidityManager when price drift requires repositioning.
- **`payTax()` tracking** — monitors staking positions for overdue taxes and calls `payTax()` when it is profitable to do so.
- **Status endpoint** — exposes `GET /status` (port 43069) for operational health checks.
txnBot starts in the third phase of the dev stack (after ponder) alongside webapp and landing. See [services/txnBot/AGENTS.md](../services/txnBot/AGENTS.md) for configuration, safety checklist, and debugging guidance.
**Default: Base Sepolia.** The `bootstrap` service deploys all KRAIKEN protocol contracts (Kraiken, Stake, Optimizer, LiquidityManager) and creates a new KRK/WETH pool using the existing Uniswap V3 Factory already present on the forked network. Addresses are written to `tmp/containers/contracts.env`.
`red-team.sh` boots the docker-compose stack and then calls protocol operations using **Base mainnet** addresses for the Uniswap V3 periphery (V3_FACTORY, SwapRouter02, NonfungiblePositionManager). These addresses are only valid on a mainnet fork.
`FitnessEvaluator.t.sol` does **not** use Anvil. It uses Foundry's native revm backend (`vm.createSelectFork`) to fork Base mainnet in-process — no docker-compose dependency:
| Variable | Default | Set in docker-compose | Purpose |
|---|---|---|---|
| `VITE_ENABLE_LOCAL_SWAP` | `false` (unset) | `true` | Show inline ETH→$KRK swap widget on Get KRK page instead of the Uniswap link. Enable for local dev; leave unset for production builds. |
| `VITE_UMAMI_URL` | unset | via env | Full URL to Umami `script.js` (e.g. `https://analytics.kraiken.org/script.js`). Omit to disable analytics. |
| `VITE_UMAMI_WEBSITE_ID` | unset | via env | Umami website ID (UUID). Required alongside `VITE_UMAMI_URL`. |
## Analytics (Umami)
Self-hosted [Umami](https://umami.is/) provides privacy-respecting funnel analytics with no third-party tracking. The `umami` Docker service shares the `postgres` instance (separate `umami` database created by `containers/init-umami-db.sh`).
### Setup
1. Start the stack — Umami comes up automatically.
2. Open `http://localhost:3000` and log in (default: `admin` / `umami`). Change the password on first login.
3. Add a website in Umami and copy the **Website ID** (UUID).
4. Set the env vars before starting landing/webapp:
For staging/production behind Caddy, use the `/analytics/script.js` path instead.
### Tracked funnel events
| Event | App | Trigger |
|-------|-----|---------|
| `cta_click` | landing | User clicks a CTA button (label in event data) |
| `wallet_connect` | web-app | Wallet connected for the first time |
| `swap_initiated` | web-app | User submits a buy or sell swap (direction in event data) |
| `stake_created` | web-app | Stake position successfully created |
Page views are tracked automatically by the Umami script on every route change.
### Production deployment
On `harb-staging`, set `VITE_UMAMI_URL` and `VITE_UMAMI_WEBSITE_ID` in the environment and configure `UMAMI_APP_SECRET` to a strong random value. The Caddy route `/analytics*` proxies to the Umami container.
The Playwright test setup (`tests/setup/stack.ts`) reads stack coordinates from env vars, falling back to `onchain/deployments-local.json` when they are absent.
When all three of `STACK_KRAIKEN_ADDRESS`, `STACK_STAKE_ADDRESS`, and `STACK_LM_ADDRESS` are set, the deployments file is not read at all, which allows tests to run in containerised environments that have no local checkout.