Function loadCache

src/hooks/useMarketData.ts:13–21

(provider: MarketProvider)

}

function loadCache(provider: MarketProvider): CachedData | null {
    try {
        const raw = localStorage.getItem(cacheKey(provider));
        if (!raw) return null;
        return JSON.parse(raw);
    } catch {
        return null;
    }
}

function saveCache(provider: MarketProvider, quotes: MarketQuote[]) {
    try {