Add swap.coffee adapter

aggregators/swap-coffee/index.ts

@@ -0,0 +1,38 @@
+import { Adapter, FetchV2 } from "../../adapters/types";
+import { httpGet } from "../../utils/fetchURL";
+import { CHAIN } from "../../helpers/chains";
+import { DAY, getTimestampAtStartOfDay } from "../../utils/date";
+
+const statisticsEndpoint = "https://backend.swap.coffee/v1/statistics/generic"
+
+const fetch: FetchV2 = async ({startTimestamp}) => {
+    const start = getTimestampAtStartOfDay(startTimestamp)
+    const end = start + DAY
+
+    const statistics = await httpGet(
+        statisticsEndpoint,
+        {
+            params: {
+                from: start,
+                to: end
+            }
+        })
+
+    return {
+        timestamp: end,
+        dailyVolume: statistics?.volume,
+        dailyFees: statistics?.fees,
+    };
+}
+
+const adapter: Adapter = {
+    version: 2,
+    adapter: {
+        [CHAIN.TON]: {
+            fetch,
+            start: 1717957740,
+        },
+    }
+}
+
+export default adapter;