Retrieving processingStarted events from backend (#27)

* fix: processingStarted call via backend

* fix: relocating dapppnode hook

* fix: remove comments

Author: mateumiralles

dappnode/hooks/useLastRewardsFrame-api.ts

@@ -0,0 +1,50 @@
+import { useLidoSWR } from '@lido-sdk/react';
+import { STRATEGY_CONSTANT } from 'consts/swr-strategies';
+import { fetchWithRetry } from 'dappnode/utils/fetchWithRetry';
+import useDappnodeUrls from 'dappnode/hooks/use-dappnode-urls';
+
+interface Event {
+  RefSlot: number;
+  Hash: number[];
+  Raw: {
+    address: string;
+    topics: string[];
+    data: string;
+    blockNumber: string;
+    transactionHash: string;
+    transactionIndex: string;
+    blockHash: string;
+    logIndex: string;
+    removed: boolean;
+  };
+}
+
+export const useLastRewrdsTx = (config = STRATEGY_CONSTANT) => {
+  const { backendUrl } = useDappnodeUrls();
+
+  return useLidoSWR(
+    ['fee-oracle-report-tx'],
+    async () => {
+      const url = `${backendUrl}/api/v0/events_indexer/processing_started`;
+      const options = {
+        method: 'GET',
+        headers: { 'Content-Type': 'application/json' },
+      };
+      const response = await fetchWithRetry(url, options, 5000);
+      if (!response.ok) {
+        throw new Error('Failed to fetch processing started events');
+      }
+      const events: Event[] = await response.json();
+      const txs = events
+        .sort(
+          (a, b) =>
+            parseInt(a.Raw.blockNumber, 16) - parseInt(b.Raw.blockNumber, 16),
+        )
+        .map((event) => {
+          return event.Raw.transactionHash;
+        });
+      return txs[txs.length - 1];
+    },
+    config,
+  );
+};

features/dashboard/bond/last-rewards.tsx

@@ -17,7 +17,6 @@ import {
   getPrevRewardsFrame,
   useLastOperatorRewards,
   useLastRewardsSlot,
-  useLastRewrdsTx,
   useNodeOperatorInfo,
 } from 'shared/hooks';
 import { formatDate, formatPercent } from 'utils';
@@ -29,6 +28,7 @@ import {
   RowHeader,
   RowTitle,
 } from './styles';
+import { useLastRewrdsTx } from 'dappnode/hooks/useLastRewardsFrame-api'; // DAPPNODE
 
 export const LastRewards: FC = () => {
   const { data: lastRewards, initialLoading: isLoading } =

shared/hooks/useLastRewardsFrame.ts

@@ -143,6 +143,7 @@ export const useLastOperatorRewards = () => {
   );
 };
 
+// DAPPNODE: Replaced by 'dappnode/hooks/useLastRewardsFrame-api'
 export const useLastRewrdsTx = (config = STRATEGY_CONSTANT) => {
   const feeOracle = useCSFeeOracleRPC();
   const { deploymentBlockNumber } = getCsmConstants();