update balancer-v2

Author: noateden

dexs/balancer-v2.ts

@@ -1,51 +1,78 @@
-
-// import adapter from './balancer'
-// const { breakdown,  ...rest } = adapter
-
-// export default {
-//   ...rest,
-//   adapter: breakdown['v2'],
-// }
-
 import { FetchOptions } from '../adapters/types'
 import { getFeesExport } from '../helpers/balancer'
 import { CHAIN } from '../helpers/chains'
 
-const WhitehatActivitiesChains: Array<string> = [
-  CHAIN.ETHEREUM,
-  CHAIN.OPTIMISM,
-  CHAIN.ARBITRUM,
-]
+const ESTIMATED_NON_CORE_SHARE = 0.7; 
+const ESTIMATED_CORE_SHARE = 0.3; 
+const HOLDERS_SHARE_NON_CORE = 0.825; // 82.5% for non-core pools
+const HOLDERS_SHARE_CORE = 0.125; // 12.5% for core pools
+
+const weightedHoldersShare = ESTIMATED_NON_CORE_SHARE * HOLDERS_SHARE_NON_CORE + ESTIMATED_CORE_SHARE * HOLDERS_SHARE_CORE;
+
+const revenueRatio = 0.5;
+const holderRevenueRatio = revenueRatio * weightedHoldersShare;
+const protocolRevenueRatio = revenueRatio - holderRevenueRatio;
 
 async function fetch(options: FetchOptions) {
   // https://x.com/Balancer/status/1988685056982835470
+  const WhitehatActivitiesChains: Array<string> = [
+    CHAIN.ETHEREUM,
+    CHAIN.OPTIMISM,
+    CHAIN.ARBITRUM,
+  ]
   if ((options.startOfDay === 1762992000 || options.startOfDay === 1762905600) && WhitehatActivitiesChains.includes(options.chain)) {
     return {
       dailyVolume: 0,
-      dailyFees:0,
-      dailyRevenue:0,
-      dailyProtocolRevenue:0,
-      dailySupplySideRevenue:0,
+      dailyFees: 0,
+      dailyRevenue: 0,
+      dailyProtocolRevenue: 0,
+      dailySupplySideRevenue: 0,
+      dailyHoldersRevenue: 0,
     }
   } else {
-    const fetchFunction = getFeesExport('0xBA12222222228d8Ba445958a75a0704d566BF2C8', { revenueRatio: 0.5, protocolRevenueRatio: 0.5 });
+    const fetchFunction = getFeesExport('0xBA12222222228d8Ba445958a75a0704d566BF2C8', { revenueRatio, protocolRevenueRatio, holderRevenueRatio, });
     return await fetchFunction(options);
   }
 }
 
 export default {
   version: 2,
   fetch: fetch,
-  chains: [
-    CHAIN.ETHEREUM,
-    CHAIN.ARBITRUM,
-    CHAIN.AVAX,
-    CHAIN.BASE,
-    CHAIN.FRAXTAL,
-    CHAIN.XDAI,
-    CHAIN.MODE,
-    CHAIN.OPTIMISM,
-    CHAIN.POLYGON,
-  ]
+  methodology: {
+    Fees: "All trading fees collected (includes swap and  yield fee)",
+    UserFees: "Trading fees paid by users, ranging from 0.0001% to 10%",
+    Revenue: "Protocol revenue from all fees collected",
+    ProtocolRevenue: "Balancer V2 protocol fees are set to 50%",
+    SupplySideRevenue: "A small percentage of the trade paid by traders to pool LPs",
+  },
+  adapter: {
+    [CHAIN.ETHEREUM]: {
+      start: '2021-04-23',
+    },
+    [CHAIN.POLYGON]: {
+      start: '2021-06-24',
+    },
+    [CHAIN.ARBITRUM]: {
+      start: '2021-08-31',
+    },
+    [CHAIN.AVAX]: {
+      start: '2023-02-25',
+    },
+    [CHAIN.XDAI]: {
+      start: '2023-01-10',
+    },
+    [CHAIN.BASE]: {
+      start: '2023-07-26',
+    },
+    [CHAIN.MODE]: {
+      start: '2024-05-22',
+    },
+    [CHAIN.FRAXTAL]: {
+      start: '2024-05-20',
+    },
+    [CHAIN.OPTIMISM]: {
+      start: '2022-05-04',
+    },
+  },
 }