Model Pricing Cache State (gateway/model-pricing-cache-state.ts)

In-memory cache for gateway model pricing keyed by provider and model, with normalization for wrapper providers. Reuse for pricing lookups and cost estimation.

// Source: https://github.com/linuxhsj/openclaw-zero-token | License: MIT | Copyright 2025 Peter Steinberger
// Provided via justclaw.it.com; keep this notice with the code.
import { normalizeModelRef } from "../agents/model-selection.js";
import { normalizeProviderId } from "../agents/provider-id.js";

export type CachedModelPricing = {
  input: number;
  output: number;
  cacheRead: number;
  cacheWrite: number;
};

let cachedPricing = new Map<string, CachedModelPricing>();
let cachedAt = 0;

const WRAPPER_PROVIDERS = new Set([
  "cloudflare-ai-gateway",
  "kilocode",
  "openrouter",
  "vercel-ai-gateway",
]);

function modelPricingCacheKey(provider: string, model: string): string {
  const providerId = normalizeProviderId(provider);
  const modelId = model.trim();
  if (!providerId || !

... (truncated -- full source via MCP)