Create multiCurrencySupport.js

src/wallet/multiCurrencySupport.js

@@ -0,0 +1,49 @@
+// multiCurrencySupport.js
+
+class MultiCurrencySupport {
+    constructor() {
+        this.currencies = {
+            USD: 1, // Base currency
+            EUR: 0.85,
+            GBP: 0.75,
+            BTC: 0.000025, // Example conversion rate for Bitcoin
+            ETH: 0.0004,   // Example conversion rate for Ethereum
+        };
+    }
+
+    // Convert an amount from one currency to another
+    convert(amount, fromCurrency, toCurrency) {
+        if (!this.currencies[fromCurrency] || !this.currencies[toCurrency]) {
+            throw new Error("Unsupported currency.");
+        }
+        const baseAmount = amount / this.currencies[fromCurrency];
+        return baseAmount * this.currencies[toCurrency];
+    }
+
+    // Get available currencies
+    getAvailableCurrencies() {
+        return Object.keys(this.currencies);
+    }
+
+    // Get conversion rate between two currencies
+    getConversionRate(fromCurrency, toCurrency) {
+        if (!this.currencies[fromCurrency] || !this.currencies[toCurrency]) {
+            throw new Error("Unsupported currency.");
+        }
+        return this.currencies[toCurrency] / this.currencies[fromCurrency];
+    }
+}
+
+// Example usage
+const currencySupport = new MultiCurrencySupport();
+const amountInUSD = 100;
+const amountInEUR = currencySupport.convert(amountInUSD, 'USD', 'EUR');
+console.log(`$${amountInUSD} is equivalent to €${amountInEUR.toFixed(2)}`);
+
+const availableCurrencies = currencySupport.getAvailableCurrencies();
+console.log("Available currencies:", availableCurrencies.join(', '));
+
+const conversionRate = currencySupport.getConversionRate('USD', 'BTC');
+console.log(`Conversion rate from USD to BTC: ${conversionRate}`);
+
+export default MultiCurrencySupport;