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@cygnus-wealth/asset-valuator

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Asset valuation library for retrieving and converting cryptocurrency prices

35 lines (34 loc) 985 B
const DETERMINISTIC_PRICES = { BTC: 40000, ETH: 2000, SOL: 100, USDC: 1, USDT: 1, }; export class TestPriceProvider { async fetchPrice(symbol, currency = 'usd') { const normalizedSymbol = symbol.toUpperCase(); const price = DETERMINISTIC_PRICES[normalizedSymbol]; if (price === undefined) { throw new Error(`TestPriceProvider: no deterministic price for ${normalizedSymbol}`); } return { symbol: normalizedSymbol, price, timestamp: new Date(), }; } async fetchMultiplePrices(symbols, currency = 'usd') { const results = []; for (const symbol of symbols) { try { const priceData = await this.fetchPrice(symbol, currency); results.push(priceData); } catch { // Skip symbols without deterministic prices } } return results; } }