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src/adaptors/waterneuron/index.js

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+const utils = require('../utils');
+
+async function fetchPrice() {
+    try {
+        const response = await fetch('https://min-api.cryptocompare.com/data/generateAvg?fsym=ICP&tsym=USD&e=coinbase');
+        if (!response.ok) {
+            throw new Error('Network response was not ok');
+        }
+        const data = await response.json();
+        return data.RAW.PRICE;
+    } catch (error) {
+        throw new Error('There was a problem with the fetch operation:');
+    }
+}
+
+function parsePrometheusMetrics(data) {
+    const lines = data.split('\n');
+    let metrics = new Map();
+    for (const line of lines) {
+        if (line.startsWith('#')) {
+            continue;
+        } else {
+            const [name, value, timestamp] = line.split(' ');
+            metrics.set(name, value);
+        }
+    }
+    return metrics;
+}
+
+async function fetchAndParseMetrics(url) {
+    try {
+        const response = await fetch(url, {
+            method: 'GET',
+        });
+        if (!response.ok) {
+            throw new Error(`HTTP error! Status: ${response.status}`);
+        }
+        const rawData = await response.text();
+        return parsePrometheusMetrics(rawData);
+    } catch (error) {
+        console.error('Error fetching metrics:', error);
+        throw error;
+    }
+}
+
+async function fetchData() {
+    const URL = "https://tsbvt-pyaaa-aaaar-qafva-cai.raw.icp0.io/metrics";
+    const res = await fetchAndParseMetrics(URL);
+    const icp_price = await fetchPrice();
+    const E8S = 100000000;
+
+    const tvl = Number(res.get("total_icp_deposited")) / E8S * icp_price || 0;
+
+    const apy = Number(res.get("apy")) * 100 || 0;
+
+    return [{
+        pool: `waterneuron-icp`,
+        chain: 'icp',
+        project: 'waterneuron',
+        symbol: 'nICP',
+        tvlUsd: tvl,
+        apyBase: apy,
+        underlyingTokens: ['nICP'],
+    }];
+}
+
+module.exports = {
+    timetravel: false,
+    apy: fetchData,
+    url: 'https://waterneuron.fi',
+};