Track Flow chain fees

fees/flow/index.ts

@@ -0,0 +1,36 @@
+import { FetchOptions, FetchResult, ProtocolType, SimpleAdapter } from "../../adapters/types";
+import { CHAIN } from "../../helpers/chains";
+import fetchURL from "../../utils/fetchURL";
+
+async function fetch(_a: any, _b: any, options: FetchOptions): Promise<FetchResult> {
+    const start = new Date(options.startOfDay * 1000).toISOString();
+    const end = new Date(options.endTimestamp * 1000).toISOString();
+
+    const response = await fetchURL(`https://api.find.xyz/flowscan/v1/stats?from=${start}&metric=fees&timescale=daily&to=${end}`);
+
+    if(!response || !response.data || !response.data[0])
+        throw new Error('Flow fees not found');
+
+    const dailyFees = options.createBalances();
+    dailyFees.addCGToken('flow',response.data[0].number);
+
+    return {
+        dailyFees,
+        dailyRevenue:0,
+    };
+}
+
+const methodology = {
+    Fees: 'Transaction and storage fees paid by users',
+    Revenue: 'No revenue'
+}
+
+const adapter: SimpleAdapter = {
+    fetch,
+    chains: [CHAIN.FLOW],
+    start: '2018-12-19',
+    methodology,
+    protocolType:ProtocolType.CHAIN
+}
+
+export default adapter