56 lines
1.3 KiB
TypeScript
56 lines
1.3 KiB
TypeScript
import { z } from "zod";
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import { AssetDefinition } from "@/lib/assets";
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export interface RateAsset extends AssetDefinition {
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usdPrice: number;
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updatedAt: string;
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}
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export interface RatesResponse {
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assets: RateAsset[];
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quoteCurrency: "USD";
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updatedAt: string;
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sources: {
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fiat: string;
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crypto: string;
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};
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}
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const rateAssetSchema = z.object({
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code: z.string(),
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name: z.string(),
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type: z.enum(["fiat", "crypto"]),
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symbol: z.string().optional(),
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providerId: z.string().optional(),
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popular: z.boolean().optional(),
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decimals: z.number().optional(),
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usdPrice: z.number().positive(),
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updatedAt: z.string()
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});
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const ratesResponseSchema = z.object({
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assets: z.array(rateAssetSchema),
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quoteCurrency: z.literal("USD"),
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updatedAt: z.string(),
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sources: z.object({
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fiat: z.string(),
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crypto: z.string()
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})
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});
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export function parseRatesResponse(payload: unknown): RatesResponse {
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return ratesResponseSchema.parse(payload);
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}
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export function buildRateMap(assets: RateAsset[]): Map<string, RateAsset> {
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return new Map(assets.map((asset) => [asset.code, asset]));
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}
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export function convertAmount(
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amount: number,
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fromAsset: RateAsset,
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toAsset: RateAsset
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): number {
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return amount * (fromAsset.usdPrice / toAsset.usdPrice);
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}
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