Add ElfomoFi DEX Volume (#5606)

* elfomofi dex volume

* fix start date

---------

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

Author: olegggatttor

dexs/elfomofi/index.ts

@@ -0,0 +1,41 @@
+import { FetchOptions, FetchResult, SimpleAdapter } from "../../adapters/types";
+import { CHAIN } from "../../helpers/chains";
+
+
+const SwapEvent = "event ElfomoTrade(uint256 indexed quoteId, uint256 indexed partnerId, address executor, address receiver, address fromToken, address toToken, uint256 fromAmount, uint256 toAmount)";
+
+const ELFOMOFI_SWAP_ADDRESS = "0xf0f0F0F0FB0d738452EfD03A28e8be14C76d5f73"
+
+const fetch = async (options: FetchOptions): Promise<FetchResult> => {
+    const dailyVolume = options.createBalances();
+
+    const logs = await options.getLogs({
+        target: ELFOMOFI_SWAP_ADDRESS,
+        eventAbi: SwapEvent,
+    })
+
+    for (const log of logs) {
+        dailyVolume.add(log.fromToken, log.fromAmount);
+    }
+
+    return {
+        dailyVolume: dailyVolume,
+    }
+}
+
+const methodology = {
+    Volume: "Volume is calculated from the fromAmount of all ElfomoTrade events on the Elfomofi swap contract.",
+}
+
+const adapter: SimpleAdapter = {
+    version: 2,
+    methodology,
+    adapter: {
+      [CHAIN.BASE]: {
+        fetch,
+        start: "2026-01-06",
+      },
+    },
+  };
+  
+  export default adapter;