Merge pull request DefiLlama#1370 from muteio/master

Create koi-finance Fees

dexs/mute.io/index.ts

@@ -15,4 +15,4 @@ const adapter = univ2Adapter(endpoints, {
 
 adapter.adapter.era.start = 1679529600
 
-export default adapter
+export default adapter

fees/koi-finance/index.ts

@@ -0,0 +1,27 @@
+import { Adapter, FetchResultFees } from '../../adapters/types';
+import { ZKSYNC } from '../../helpers/chains';
+import { fetchV1 } from './koi-finance';
+
+
+const getFees = async (timestamp: number): Promise<FetchResultFees> => {
+  const  [feeV1] = await Promise.all([fetchV1()(timestamp)]);
+  const dailyFees = Number(feeV1.dailyFees);
+  const dailyRevenue = Number(feeV1.dailyRevenue);
+
+  return {
+    dailyFees: `${dailyFees}`,
+    dailyRevenue: `${dailyRevenue}`,
+    timestamp
+  }
+}
+
+const adapter: Adapter = {
+  adapter: {
+    [ZKSYNC]: {
+      fetch: getFees,
+      start: 1677110400, // TODO: Add accurate timestamp
+    },
+  },
+};
+
+export default adapter;

fees/koi-finance/koi-finance.ts

@@ -0,0 +1,62 @@
+import request, { gql } from "graphql-request";
+import { getBlock } from "../../helpers/getBlock";
+import {
+  getTimestampAtStartOfDayUTC,
+  getTimestampAtStartOfPreviousDayUTC
+} from "../../utils/date";
+import BigNumber from "bignumber.js";
+
+const endpoint = "https://api.goldsky.com/api/public/project_clmtie4nnezuh2nw6hhjg6mo7/subgraphs/mute_switch/v0.0.7/gn"
+
+export const fetchV1 = () => {
+  return async (timestamp: number) => {
+    const todaysTimestamp = getTimestampAtStartOfDayUTC(timestamp);
+    const yesterdaysTimestamp = getTimestampAtStartOfPreviousDayUTC(timestamp);
+    const todaysBlock = await getBlock(
+      todaysTimestamp,
+      "era",
+      {}
+    );
+
+    const yesterdaysBlock = await getBlock(yesterdaysTimestamp, "era", {});
+
+    const query = gql`
+      query fees {
+        yesterday: pairs(block: {number: ${yesterdaysBlock}}, where: {volumeUSD_gt: "0"}, first: 1000, orderBy:volumeUSD, orderDirection:desc) {
+          id
+          stable
+          pairFee
+          volumeUSD
+        }
+        today: pairs(block: {number: ${todaysBlock}}, where: {volumeUSD_gt: "0"}, first: 1000, orderBy:volumeUSD, orderDirection:desc) {
+          id
+          stable
+          pairFee
+          volumeUSD
+        }
+      }
+    `;
+    const todayVolume: { [id: string]: BigNumber } = {};
+    const graphRes = await request(endpoint, query);
+    let dailyFee = new BigNumber(0);
+    for (const pool of graphRes["today"]) {
+      todayVolume[pool.id] = new BigNumber(pool.volumeUSD);
+    }
+
+    for (const pool of graphRes["yesterday"]) {
+      if (!todayVolume[pool.id]) continue;
+
+      const dailyVolume = BigNumber(todayVolume[pool.id]).minus(
+        pool.volumeUSD
+      );
+
+      dailyFee = dailyFee.plus(dailyVolume.times(pool.pairFee).div(10000))
+    }
+
+    return {
+      timestamp,
+      dailyFees: dailyFee.toString(),
+      dailyRevenue: dailyFee.times(0.2).toString(),
+    };
+  };
+};