Add aqua-network adapter (DefiLlama#11374)

* Add aqua-network tvl adapter

* fix: api calls

* fix texts

projects/aqua-network/index.js

@@ -0,0 +1,52 @@
+const utils = require("../helper/utils");
+const { getApiTvl } = require("../helper/historicalApi");
+
+const AQUA_STATS_URL = "https://amm-api.aqua.network/api/external/v1/statistics/totals/?size=all"
+
+function findClosestDate(items) {
+  const currentDate = new Date().getTime();
+
+  let closestItem = null;
+  let closestDiff = Infinity;
+
+  for (let item of items) {
+    const itemDate = new Date(item.date).getTime();
+    const diff = Math.abs(currentDate - itemDate);
+
+    if (diff < closestDiff) {
+      closestItem = item;
+      closestDiff = diff;
+    }
+  }
+
+  return closestItem;
+}
+
+async function current() {
+  var aquaHistoricalData = (
+    await utils.fetchURL(AQUA_STATS_URL)
+  ).data;
+
+  const currentItem = findClosestDate(aquaHistoricalData);
+
+  return parseFloat(currentItem.tvl) / 10e7;
+}
+
+function tvl(time) {
+  return getApiTvl(time, current, async () => {
+    var aquaHistoricalData = (
+      await utils.fetchURL(AQUA_STATS_URL)
+    ).data;
+
+    return aquaHistoricalData.map((item) => ({
+      date: new Date(item.date),
+      totalLiquidityUSD: parseFloat(item.tvl) / 10e7,
+    }));
+  });
+}
+
+module.exports = {
+  methodology:
+    'counts the liquidity of the Pools on AMM, data is pulled from the Aquarius API: "https://amm-api.aqua.network/api/external/v1/statistics/totals/".',
+  stellar: {tvl},
+};