78a071ba02
Add persistent onion key backup and restore, improve startup resilience, and flesh out the major site verticals with richer navigation, search coverage, and operator documentation. Made-with: Cursor
27 lines
752 B
TypeScript
27 lines
752 B
TypeScript
import type { ShopCurrency } from "@/lib/shopCatalog";
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/**
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* Rough USD notional for cart/checkout when only BTC spot is loaded from API.
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* ETH/XMR are pegged off BTC for display totals (sim storefront).
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*/
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export function estimateUsdForCryptoAmount(
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amount: number,
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currency: ShopCurrency,
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btcUsd: number,
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): number {
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if (currency === "USD") return Math.round(amount * 100) / 100;
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if (!(btcUsd > 0)) return 0;
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const ethUsd = btcUsd / 28;
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const xmrUsd = btcUsd / 520;
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switch (currency) {
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case "BTC":
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return Math.round(amount * btcUsd * 100) / 100;
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case "ETH":
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return Math.round(amount * ethUsd * 100) / 100;
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case "XMR":
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return Math.round(amount * xmrUsd * 100) / 100;
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default:
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return 0;
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}
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}
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