Add Kensei adapter (#4500)

* add kensei adapter for Katana chain with Dune SQL query for buy and sell volume

* add Kensei adapter for Katana chain to fetch fees and revenue data

* refactor Kensei adapter to use API for fetching volume data instead of Dune SQL queries

* count fees

---------

Co-authored-by: Eden <[email protected]>

Author: harisato

fees/kensei.ts

@@ -0,0 +1,33 @@
+import { FetchOptions, FetchResultV2, SimpleAdapter } from '../adapters/types';
+import { CHAIN } from '../helpers/chains';
+import { getETHReceived } from '../helpers/token';
+
+const FEE_WALLETS = [
+  '0x79e298e86ddcca138fccc4687d0a4168a6f2dce6',
+];
+
+const fetch = async (_a: any, _b: any, options: FetchOptions): Promise<FetchResultV2> => {
+  const dailyFees = await getETHReceived({ options, targets: FEE_WALLETS });
+  
+  return {
+    dailyFees: dailyFees,
+    dailyRevenue: dailyFees,
+    dailyProtocolRevenue: dailyFees,
+  };
+};
+
+const adapter: SimpleAdapter = {
+  methodology: {
+    Fees: 'Tokens launching fees paid by users.',
+    Revenue: 'Tokens launching fees paid by users.',
+    ProtocolRevenue: 'Tokens launching fees paid by users.',
+  },
+  adapter: {
+    [CHAIN.KATANA]: {
+      fetch,
+      start: '2025-10-16',
+    },
+  },
+};
+
+export default adapter;