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token-gated-economy/artifacts/api-server/src/lib/pricing.ts
alexpaynex fbc9bbc046 Task #2: MVP Foundation — injectable services, DB schema, smoke test
DB schema
- jobs and invoices tables added to lib/db/src/schema/
- schema barrel updated (jobs, invoices, conversations, messages)
- pnpm --filter @workspace/db run push applied successfully

LNbitsService (artifacts/api-server/src/lib/lnbits.ts)
- Injectable class accepting optional { url, apiKey } config
- Falls back to LNBITS_URL / LNBITS_API_KEY env vars
- Auto-detects stub mode when credentials are absent; logs warning
- createInvoice() -> { paymentHash, paymentRequest }
- checkInvoicePaid() -> boolean
- stubMarkPaid() helper for dev/test flows
- Real LNbits REST v1 calls wired behind the stub guard

AgentService (artifacts/api-server/src/lib/agent.ts)
- Injectable class with configurable evalModel / workModel
- evaluateRequest(text) -> { accepted: boolean, reason: string }
  uses claude-haiku-4-5; strips markdown fences before JSON parse
- executeWork(text) -> { result: string } uses claude-sonnet-4-6
- Wired via Replit Anthropic AI Integration (no user API key)

PricingService (artifacts/api-server/src/lib/pricing.ts)
- Injectable class with configurable fee/bucket thresholds
- calculateEvalFeeSats() -> 10 sats (fixed)
- calculateWorkFeeSats(text) -> 50/100/250 by char-length bucket
- Zero LLM involvement; fully deterministic

Smoke test (scripts/src/smoke.ts)
- pnpm --filter @workspace/scripts run smoke
- Verifies LNbits stub: create, check unpaid, mark paid, check paid
- Verifies Anthropic: evaluateRequest round-trip
- Both checks passed

replit.md
- Documented required (LNBITS_URL, LNBITS_API_KEY) and auto-provisioned secrets
- Stub-mode behaviour explained
2026-03-18 15:14:23 +00:00

40 lines
1.2 KiB
TypeScript

export interface PricingConfig {
evalFeeSats?: number;
workFeeShortSats?: number;
workFeeMediumSats?: number;
workFeeLongSats?: number;
shortMaxChars?: number;
mediumMaxChars?: number;
}
export class PricingService {
private readonly evalFee: number;
private readonly workFeeShort: number;
private readonly workFeeMedium: number;
private readonly workFeeLong: number;
private readonly shortMax: number;
private readonly mediumMax: number;
constructor(config?: PricingConfig) {
this.evalFee = config?.evalFeeSats ?? 10;
this.workFeeShort = config?.workFeeShortSats ?? 50;
this.workFeeMedium = config?.workFeeMediumSats ?? 100;
this.workFeeLong = config?.workFeeLongSats ?? 250;
this.shortMax = config?.shortMaxChars ?? 100;
this.mediumMax = config?.mediumMaxChars ?? 300;
}
calculateEvalFeeSats(): number {
return this.evalFee;
}
calculateWorkFeeSats(requestText: string): number {
const len = requestText.trim().length;
if (len <= this.shortMax) return this.workFeeShort;
if (len <= this.mediumMax) return this.workFeeMedium;
return this.workFeeLong;
}
}
export const pricingService = new PricingService();