medusa-payment-solana/dist/providers/solana-payment/coingecko-converter.js

Solana crypto currency payment provider for MedusaJS 2.0

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.CoinGeckoConverter = void 0;
class CoinGeckoConverter {
    constructor(apiKey) {
        this.cache = null;
        this.CACHE_DURATION = 5 * 60 * 1000; // 5 minutes
        if (!apiKey) {
            throw new Error('CoinGecko API key is required');
        }
        this.apiKey = apiKey;
    }
    async convertToSol(amount, currencyCode) {
        const rate = await this.getRate(currencyCode);
        return parseFloat((amount / rate).toFixed(9));
    }
    async getRate(currencyCode) {
        // Use cached rate if available and not expired
        if (this.cache && Date.now() - this.cache.timestamp < this.CACHE_DURATION) {
            return this.cache.rate;
        }
        try {
            const response = await fetch(`https://api.coingecko.com/api/v3/simple/price?ids=solana&vs_currencies=${currencyCode.toLowerCase()}`, {
                headers: {
                    'x-cg-demo-api-key': this.apiKey
                }
            });
            if (!response.ok) {
                throw new Error(`CoinGecko API error: ${response.statusText}`);
            }
            const data = await response.json();
            const rate = data.solana?.[currencyCode.toLowerCase()];
            if (!rate) {
                throw new Error(`Invalid rate data for ${currencyCode}`);
            }
            // Update cache
            this.cache = {
                rate,
                timestamp: Date.now()
            };
            return rate;
        }
        catch (error) {
            if (error instanceof Error) {
                throw new Error(`Failed to fetch SOL/${currencyCode} rate: ${error.message}`);
            }
            throw new Error(`Failed to fetch SOL/${currencyCode} rate`);
        }
    }
}
exports.CoinGeckoConverter = CoinGeckoConverter;
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