Task #25: Provision LNbits on Hermes VPS for real Lightning payments.
Changes:
- dev.ts: /dev/stub/pay/:hash now works in both stub and real LNbits modes.
In real mode, looks up BOLT11 from invoices/sessions/bootstrapJobs tables
then calls lnbitsService.payInvoice() (FakeWallet accepts it).
- sessions.ts: Remove all stubMode conditionals on paymentHash — always expose
paymentHash in invoice, pendingTopup, and 409-conflict responses.
- jobs.ts: Remove stubMode conditionals on paymentHash in create, GET awaiting_eval,
and GET awaiting_work responses.
- bootstrap.ts: Remove stubMode conditionals on paymentHash in POST create and
GET poll responses. Simplify message field (no longer mode-conditional).
- Hermes VPS: Funded LNbits wallet with 1B sats via DB credit so payInvoice
calls succeed (FakeWallet checks wallet balance before routing).
Result: 29/29 testkit PASS in real LNbits mode (LNBITS_URL + LNBITS_API_KEY set).
Update testkit.ts to add explicit failure conditions for missing payment hash in stub mode and to assert that the bootstrapJobId returned in the poll response matches the created ID.
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Task: Add T23 (bootstrap stub flow) and T24 (cost-ledger completeness) to the
testkit, bringing total from 27/27 to 29/29 PASS with 0 FAIL, 0 SKIP.
## What was changed
- `artifacts/api-server/src/routes/testkit.ts`:
- Updated audit-log comment block to document T23 + T24 additions.
- Inserted Test 23 after T22 (line ~654):
POST /api/bootstrap → assert 201 + bootstrapJobId present.
Guard on stubMode=true; SKIP if real DO mode (prevents hanging).
Stub-pay the paymentHash via /api/dev/stub/pay/:hash.
Poll GET /api/bootstrap/:id every 2s (20s timeout) until
state=provisioning or state=ready; assert message field present.
- Inserted Test 24 after T23:
Guarded on STATE_T6=complete (reuses completed job from T6).
GET /api/jobs/:id, extract costLedger.
Assert all 8 fields non-null: actualInputTokens, actualOutputTokens,
totalTokens, actualCostUsd, actualAmountSats, workAmountSats,
refundAmountSats, refundState.
Honest-accounting invariant: actualAmountSats <= workAmountSats.
refundAmountSats >= 0.
refundState must match ^(not_applicable|pending|paid)$.
## No deviations from task spec
- T23 guard logic matches spec exactly (stubMode check before poll).
- T24 fields match the 8 specified in task-24.md plus the invariants.
- No changes to bootstrap.ts or jobs.ts — existing routes already correct.
## Test run result
29/29 PASS, 0 FAIL, 0 SKIP (fresh server restart, rate-limit slots clean).
T23: state=provisioning in 1s. T24: actualAmountSats(179)<=workAmountSats(182),
refundAmountSats=3, refundState=pending.
## Task
Task #20: Timmy responds to Workshop input bar — make the "Say something
to Timmy…" input bar actually trigger an AI response shown in Timmy's
speech bubble.
## What was built
### Server (artifacts/api-server/src/lib/agent.ts)
- Added `chatReply(userText)` method to AgentService
- Uses claude-haiku (cheaper eval model) with a wizard persona system prompt
- 150-token limit so replies fit in the speech bubble
- Stub mode: returns one of 4 wizard-themed canned replies after 400ms delay
- Real mode: calls Anthropic with wizard persona, truncates to 250 chars
### Server (artifacts/api-server/src/routes/events.ts)
- Imported agentService
- Added per-visitor rate limit system: 3 replies/minute per visitorId (in-memory Map)
- Added broadcastToAll() helper for broadcasting to all WS clients
- Updated visitor_message handler:
1. Broadcasts visitor message to all watchers as before
2. Checks rate limit — if exceeded, sends polite "I need a moment…" reply
3. Fire-and-forget async AI call:
- Broadcasts agent_state: gamma=working (crystal ball pulses)
- Calls agentService.chatReply()
- Broadcasts agent_state: gamma=idle
- Broadcasts chat: agentId=timmy, text=reply to ALL clients
- Logs world event "visitor:reply"
### Frontend (the-matrix/js/websocket.js)
- Updated case 'chat' handler to differentiate message sources:
- agentId === 'timmy': speech bubble + event log entry "Timmy: <text>"
- agentId === 'visitor': event log only (don't hijack speech bubble)
- everything else (delta/alpha/beta payment notifications): speech bubble
## What was already working (no change needed)
- Enter key on input bar (ui.js already had keydown listener)
- Input clearing after send (already in ui.js)
- Speech bubble rendering (setSpeechBubble already existed in agents.js)
- WebSocket sendVisitorMessage already exported from websocket.js
## Tests
- 27/27 testkit PASS (no regressions)
- TypeScript: 0 errors
- Vite build: clean (the-matrix rebuilt)
- scripts/bitcoin-ln-node/setup.sh: one-shot installer for Bitcoin Core (pruned mainnet), LND, and LNbits on Apple Silicon Mac. Generates secrets, writes configs, installs launchd plists for auto-start.
- scripts/bitcoin-ln-node/start.sh: start all services via launchctl; waits for RPC readiness and auto-unlocks LND wallet.
- scripts/bitcoin-ln-node/stop.sh: graceful shutdown (lncli stop → bitcoin-cli stop).
- scripts/bitcoin-ln-node/status.sh: full health check (Bitcoin sync %, LND channels/balance, LNbits HTTP, bore tunnel). Supports --json mode for machine consumption.
- scripts/bitcoin-ln-node/expose.sh: opens bore tunnel from LNbits port 5000 to bore.pub for Replit access.
- scripts/bitcoin-ln-node/get-lnbits-key.sh: fetches LNbits admin API key and prints Replit secret values.
- artifacts/api-server/src/routes/node-diagnostics.ts: GET /api/admin/node-status (JSON) and /api/admin/node-status/html — Timmy self-diagnoses its LNbits/LND connectivity and reports issues.
Refactors `runEvalInBackground` and `runWorkInBackground` to execute AI tasks asynchronously. Updates `pollJob` in `ui.ts` to handle 'evaluating', 'executing', and 'failed' states, and corrects `data.status` to `data.state` and `data.rejectionReason` to `data.reason`.
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Added two redirect routes in artifacts/api-server/src/app.ts:
- GET / → 302 redirect to /api/ui
- GET /api → 302 redirect to /api/ui
This means opening the preview URL or the root of the app immediately
lands on the Timmy UI without any manual navigation.
No changes to the UI itself, no new routes, no new files.
Verified: both / and /api return HTTP 302 with Location: /api/ui.
Implement session-based API endpoints for creating, managing, and interacting with pre-funded sessions, including deposit and top-up invoice generation, macaroon authentication, and per-request debiting of compute costs.
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## New files
- btc-oracle.ts: CoinGecko BTC/USD fetch (60s cache), usdToSats() helper (ceil, min 1 sat),
5s abort timeout, fallback to BTC_PRICE_USD_FALLBACK env var (default $100k)
- lib/db/migrations/0002_cost_based_pricing.sql: SQL migration artifact adding 6 new columns
to jobs table (estimated_cost_usd, margin_pct, btc_price_usd, actual_input_tokens,
actual_output_tokens, actual_cost_usd); idempotent via ADD COLUMN IF NOT EXISTS
## Modified files
- pricing.ts: Full rewrite — per-model token rates (Haiku/Sonnet, env-var overridable),
DO infra amortisation per request, originator margin %, estimateInputTokens/Output by tier,
calculateActualCostUsd() for post-work ledger, async calculateWorkFeeSats() → WorkFeeBreakdown
- agent.ts: WorkResult now includes inputTokens + outputTokens from Anthropic usage;
workModel/evalModel exposed as readonly public; EVAL_MODEL/WORK_MODEL env var support
- lib/db/src/schema/jobs.ts: 6 new real/integer columns; schema pushed to DB
- jobs.ts route: Work invoice creation calls pricingService.calculateWorkFeeSats() async;
stores estimatedCostUsd/marginPct/btcPriceUsd; post-work stores actualInputTokens/
actualOutputTokens/actualCostUsd; GET response includes pricingBreakdown and costLedger
with totalTokens (input + output computed field)
- openapi.yaml: PricingBreakdown + CostLedger schemas (with totalTokens) added
- lib/api-zod/src/generated/api.ts: Regenerated with new schemas
- lib/api-client-react/src/generated/api.schemas.ts: Regenerated (PricingBreakdown, CostLedger)
- replit.md: 17 new env vars documented in cost-based pricing section
- btc-oracle.ts: CoinGecko BTC/USD fetch (60s cache), usdToSats() helper,
fallback to BTC_PRICE_USD_FALLBACK env var (default $100k), 5s abort timeout
- pricing.ts: Full rewrite — per-model token rates (Haiku/Sonnet, env-var
overridable), DO infra amortisation, originator margin %, estimateInputTokens(),
estimateOutputTokens() by request tier, calculateActualCostUsd() for post-work ledger,
async calculateWorkFeeSats() → WorkFeeBreakdown
- agent.ts: WorkResult now includes inputTokens + outputTokens from Anthropic usage;
workModel/evalModel exposed as readonly public; EVAL_MODEL/WORK_MODEL env var support
- jobs.ts: Work invoice creation calls pricingService.calculateWorkFeeSats() async;
stores estimatedCostUsd/marginPct/btcPriceUsd on job; after executeWork stores
actualInputTokens/actualOutputTokens/actualCostUsd; GET response includes
pricingBreakdown (awaiting_work_payment) and costLedger (complete)
- lib/db/src/schema/jobs.ts: 6 new real/integer columns for cost tracking; schema pushed
- openapi.yaml: PricingBreakdown + CostLedger schemas added to JobStatusResponse
- replit.md: 17 new env vars documented in Cost-based work fee pricing section
1. Escape ${i} bash loop vars in TypeScript template literal (provisioner.ts)
- Four occurrences: Bitcoin RPC wait, LND REST wait, macaroon wait, LNbits wait
- Changed ${i}x5s → \${i}x5s so TypeScript doesn't try to resolve 'i'
- Confirmed: tsc reports no errors in provisioner.ts after fix
2. Install minimal ops.sh on provisioned node via cloud-init (provisioner.ts)
- Cloud-init step 15 writes /opt/timmy-node/ops.sh with sync/lnd/lnbits/logs cmds
- Uses single-quoted heredoc (<<'OPSSH') to prevent bash expanding ops.sh's
own $CMD / ${1:-help} / ${2:-bitcoin} variables during cloud-init execution
- chmod +x applied after write
- sync command: docker exec bitcoin bitcoin-cli getblockchaininfo | jq summary
- lnd, lnbits, logs subcommands also included
3. Update nextSteps to reference installed ops.sh (bootstrap.ts)
- "Monitor Bitcoin sync (takes 1-2 weeks to reach 100%): bash /opt/timmy-node/ops.sh sync"
- All other nextSteps reference files/URLs actually present on the node
4. Harden BOOTSTRAP_FEE_SATS parsing against NaN (pricing.ts)
- parseInt on empty/invalid env var → NaN
- Added Number.isFinite(rawFee) && rawFee > 0 guard → falls back to 10_000
- Same pattern could be applied to other numeric env vars as follow-up
End-to-end verified: POST → pay → provisioning → ready with correct nextSteps
4 changes to address code review rejections:
1. Race condition fix (bootstrap.ts)
- advanceBootstrapJob: WHERE now guards on AND state='awaiting_payment'
- If UPDATE matches 0 rows, re-fetch current job (already advanced by
another concurrent poll) instead of firing a second provisioner
- Verified with 5-concurrent-poll test: only 1 "starting provisioning"
log entry per job; all 5 responses show consistent state
2. Complete cloud-init to full Bitcoin + LND + LNbits stack (provisioner.ts)
- Phase 1: packages, Docker, Tailscale, UFW, block volume mount
- Phase 2: Bitcoin Core started; polls for RPC availability (max 5 min)
- Phase 3: LND started; waits for REST API (max 6 min)
- Phase 4: non-interactive LND wallet init via REST:
POST /v1/genseed → POST /v1/initwallet with base64 password
(no lncli, no interactive prompts, no expect)
- Phase 5: waits for admin.macaroon to appear on mounted volume
- Phase 6: LNbits started with LndRestWallet backend; mounts LND
data dir so it reads tls.cert + admin.macaroon automatically
- Phase 7: saves all credentials (RPC pass, LND wallet pass + seed
mnemonic, LNbits URL) to chmod 600 /root/node-credentials.txt
3. DO block volume support (provisioner.ts)
- Reads DO_VOLUME_SIZE_GB env var (0 = no volume, default)
- createVolume(): POST /v2/volumes (ext4 filesystem, tagged timmy-node)
- Passes volumeId in droplet create payload (attached at boot)
- Cloud-init Phase 1 detects and mounts the volume automatically
(lsblk scan → mkfs if unformatted → mount → /etc/fstab entry)
4. SSH keypair via node:crypto (no ssh-keygen) (provisioner.ts)
- generateKeyPairSync('rsa', { modulusLength: 4096 })
- Public key: PKCS#1 DER → OpenSSH wire format via manual DER parser
(pkcs1DerToSshPublicKey): reads SEQUENCE → n, e INTEGERs → ssh-rsa
base64 string with proper mpint encoding (leading 0x00 for high bit)
- Private key: PKCS#1 PEM (-----BEGIN RSA PRIVATE KEY-----)
- Both stub and real paths use the same generateSshKeypair() function
- Removes runtime dependency on host ssh-keygen binary entirely
4 changes to address code review rejections:
1. Race condition fix (bootstrap.ts)
- advanceBootstrapJob: WHERE now guards on AND state='awaiting_payment'
- If UPDATE matches 0 rows, re-fetch current job (already advanced by
another concurrent poll) instead of firing a second provisioner
- Verified with 5-concurrent-poll test: only 1 "starting provisioning"
log entry per job; all 5 responses show consistent state
2. Complete cloud-init to full Bitcoin + LND + LNbits stack (provisioner.ts)
- Phase 1: packages, Docker, Tailscale, UFW, block volume mount
- Phase 2: Bitcoin Core started; polls for RPC availability (max 5 min)
- Phase 3: LND started; waits for REST API (max 6 min)
- Phase 4: non-interactive LND wallet init via REST:
POST /v1/genseed → POST /v1/initwallet with base64 password
(no lncli, no interactive prompts, no expect)
- Phase 5: waits for admin.macaroon to appear on mounted volume
- Phase 6: LNbits started with LndRestWallet backend; mounts LND
data dir so it reads tls.cert + admin.macaroon automatically
- Phase 7: saves all credentials (RPC pass, LND wallet pass + seed
mnemonic, LNbits URL) to chmod 600 /root/node-credentials.txt
3. DO block volume support (provisioner.ts)
- Reads DO_VOLUME_SIZE_GB env var (0 = no volume, default)
- createVolume(): POST /v2/volumes (ext4 filesystem, tagged timmy-node)
- Passes volumeId in droplet create payload (attached at boot)
- Cloud-init Phase 1 detects and mounts the volume automatically
(lsblk scan → mkfs if unformatted → mount → /etc/fstab entry)
4. SSH keypair via node:crypto (no ssh-keygen) (provisioner.ts)
- generateKeyPairSync('rsa', { modulusLength: 4096 })
- Public key: PKCS#1 DER → OpenSSH wire format via manual DER parser
(pkcs1DerToSshPublicKey): reads SEQUENCE → n, e INTEGERs → ssh-rsa
base64 string with proper mpint encoding (leading 0x00 for high bit)
- Private key: PKCS#1 PEM (-----BEGIN RSA PRIVATE KEY-----)
- Both stub and real paths use the same generateSshKeypair() function
- Removes runtime dependency on host ssh-keygen binary entirely
Pay a Lightning invoice → Timmy auto-provisions a Bitcoin full node on DO.
New: lib/db/src/schema/bootstrap-jobs.ts
- bootstrap_jobs table: id, state, amountSats, paymentHash, paymentRequest,
dropletId, nodeIp, tailscaleHostname, lnbitsUrl, sshPrivateKey,
sshKeyDelivered (bool), errorMessage, createdAt, updatedAt
- States: awaiting_payment | provisioning | ready | failed
- Payment data stored inline (no FK to jobs/invoices tables — separate entity)
- db:push applied to create table in Postgres
New: artifacts/api-server/src/lib/provisioner.ts
- ProvisionerService: stubs when DO_API_TOKEN absent, real otherwise
- Stub mode: generates a real RSA 4096-bit SSH keypair via ssh-keygen,
returns RFC 5737 test IP + fake Tailscale hostname after 2s delay
- Real mode: upload SSH public key to DO → generate Tailscale auth key →
create DO droplet with cloud-init user_data → poll for public IP (2 min)
- buildCloudInitScript(): non-interactive bash that installs Docker + Tailscale
+ UFW + Bitcoin Knots via docker-compose; joins Tailscale if authkey provided
- provision() designed as fire-and-forget (void); updates DB to ready/failed
New: artifacts/api-server/src/routes/bootstrap.ts
- POST /api/bootstrap: create job + LNbits invoice, return paymentRequest
- GET /api/bootstrap/🆔 poll-driven state machine
* awaiting_payment: checks payment, fires provisioner on confirm
* provisioning: returns progress message
* ready: delivers credentials; SSH private key delivered once then cleared
* failed: returns error message
- Stub mode message includes the exact /dev/stub/pay URL for easy testing
- nextSteps array guides user through post-provision setup
Updated: artifacts/api-server/src/lib/pricing.ts
- Added bootstrapFee field reading BOOTSTRAP_FEE_SATS env var (default 10000)
- calculateBootstrapFeeSats() method
Updated: artifacts/api-server/src/routes/index.ts
- Mounts bootstrapRouter
Updated: replit.md
- Documents all 7 new env vars (DO_API_TOKEN, DO_REGION, DO_SIZE, etc.)
- Full curl-based flow example with annotated response shape
End-to-end verified in stub mode: POST → pay → provisioning → ready (SSH key)
→ second GET clears key and shows sshKeyNote
Integrate a new testkit endpoint and update package.json scripts to enable automated testing via `pnpm test` and `pnpm test:prod`, including a new test case for request body size limits.
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Update API endpoints for jobs and demo routes to enforce a maximum character limit of 500 for the 'request' field. Refine error messages to distinguish between missing input and input exceeding the character limit.
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Integrates a new bash script for automated end-to-end testing of the Timmy API. Updates API routes to expose payment hashes in stub mode for easier invoice payment simulation during testing. Modifies test plan documentation to include the new automated script.
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Add '@anthropic-ai/sdk', 'p-limit', and 'p-retry' to the build allowlist for the API server.
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Adds `app.set('trust proxy', 1)` to `app.ts` for correct IP rate limiting and implements Zod validation for the `:id` parameter in the `GET /jobs/:id` route within `jobs.ts`.
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OpenAPI spec (lib/api-spec/openapi.yaml)
- Added POST /jobs, GET /jobs/{id}, GET /demo endpoints
- Added schemas: CreateJobRequest, CreateJobResponse, JobStatusResponse,
InvoiceInfo, JobState, DemoResponse, ErrorResponse
- Ran codegen: generated CreateJobBody, GetJobResponse, RunDemoQueryParams etc.
Jobs router (artifacts/api-server/src/routes/jobs.ts)
- POST /jobs: validates body, creates LNbits eval invoice, inserts job +
invoice in a DB transaction, returns { jobId, evalInvoice }
- GET /jobs/🆔 fetches job, calls advanceJob() helper, returns state-
appropriate payload (eval/work invoice, reason, result, errorMessage)
- advanceJob() state machine:
- awaiting_eval_payment: checks LNbits, atomically marks paid + advances
state via optimistic WHERE state='awaiting_eval_payment'; runs
AgentService.evaluateRequest, branches to awaiting_work_payment or rejected
- awaiting_work_payment: same pattern for work invoice, runs
AgentService.executeWork, advances to complete
- Any agent/LNbits error transitions job to failed
Demo router (artifacts/api-server/src/routes/demo.ts)
- GET /demo?request=...: in-memory rate limiter (5 req/hour per IP)
- Explicit guard for missing request param (coerce.string() workaround)
- Calls AgentService.executeWork directly, returns { result }
Dev router (artifacts/api-server/src/routes/dev.ts)
- POST /dev/stub/pay/:paymentHash: marks stub invoice paid in-memory
- Only mounted when NODE_ENV !== 'production'
Route index updated to mount all three routers
replit.md: documented full curl flow with all 6 steps, demo endpoint,
and dev stub-pay trigger
End-to-end verified with curl:
- Full flow: create → eval pay → evaluating → work pay → executing → complete
- Error cases: 400 on missing body/param, 404 on unknown job
- Added jobs and invoices Drizzle schemas (lib/db/src/schema/)
- Updated DB schema barrel to export all four tables (jobs, invoices, conversations, messages)
- Applied schema to PostgreSQL via drizzle-kit push
- Set up Anthropic AI integration (claude-haiku-4-5 for eval, claude-sonnet-4-6 for work)
- Copied integrations-anthropic-ai template into lib/
- Added @workspace/integrations-anthropic-ai dep to api-server and tsconfig references
- Created pricing.ts: eval fee = 10 sats fixed, work fee = 50/100/250 sats by request length
- Created agent.ts: evaluateRequest (Haiku, JSON structured output) + executeRequest (Sonnet)
- Created lnbits.ts: stubbed payment layer (in-memory Set, markInvoicePaid for testing)
- Real LNbits swap-in requires only LNBITS_URL + LNBITS_API_KEY env vars
Integrate Anthropic AI for agent capabilities, introduce database schemas for jobs and invoices, and set up LNbits for payment processing.
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