Send notification if timestamp within last day

internal/adapters/execution/execution_adapter.go

@@ -63,3 +63,53 @@ func (e *ExecutionAdapter) GetMostRecentBlockNumber() (uint64, error) {
 
 	return blockNumber, nil
 }
+
+// GetBlockTimestampByNumber retrieves the timestamp of the block with the specified number from the Ethereum execution client.
+func (e *ExecutionAdapter) GetBlockTimestampByNumber(blockNumber uint64) (uint64, error) {
+	// Convert block number to hexadecimal
+	blockNumberHex := fmt.Sprintf("0x%x", blockNumber)
+
+	// Create the request payload for eth_getBlockByNumber
+	payload := map[string]interface{}{
+		"jsonrpc": "2.0",
+		"method":  "eth_getBlockByNumber",
+		"params":  []interface{}{blockNumberHex, false}, // `false` indicates we don't need full transaction objects
+		"id":      1,
+	}
+
+	// Marshal the payload to JSON
+	jsonPayload, err := json.Marshal(payload)
+	if err != nil {
+		return 0, fmt.Errorf("failed to marshal request payload for eth_getBlockByNumber: %w", err)
+	}
+
+	// Send the request to the execution client
+	resp, err := http.Post(e.rpcURL, "application/json", bytes.NewBuffer(jsonPayload))
+	if err != nil {
+		return 0, fmt.Errorf("failed to send request to execution client at %s: %w", e.rpcURL, err)
+	}
+	defer resp.Body.Close()
+
+	if resp.StatusCode != http.StatusOK {
+		return 0, fmt.Errorf("unexpected status code %d received from execution client", resp.StatusCode)
+	}
+
+	// Parse the response
+	var result struct {
+		Result struct {
+			Timestamp string `json:"timestamp"`
+		} `json:"result"`
+	}
+	if err := json.NewDecoder(resp.Body).Decode(&result); err != nil {
+		return 0, fmt.Errorf("failed to decode response from execution client: %w", err)
+	}
+
+	// Convert the hexadecimal timestamp to uint64
+	var timestamp uint64
+	_, err = fmt.Sscanf(result.Result.Timestamp, "0x%x", &timestamp)
+	if err != nil {
+		return 0, fmt.Errorf("failed to parse timestamp from result %s: %w", result.Result.Timestamp, err)
+	}
+
+	return timestamp, nil
+}

internal/adapters/execution/execution_adapter_integration_test.go

@@ -38,3 +38,25 @@ func TestGetMostRecentBlockNumberIntegration(t *testing.T) {
 	// Log the block number for debugging
 	t.Logf("Most recent block number: %d", blockNumber)
 }
+
+// TestGetBlockTimestampByNumberIntegration tests fetching the timestamp of a specific block
+func TestGetBlockTimestampByNumberIntegration(t *testing.T) {
+	adapter, err := setupExecutionAdapter(t)
+	assert.NoError(t, err)
+
+	// Specify the block number to test
+	blockNumber := uint64(2876079)
+
+	// Call the GetBlockTimestampByNumber method
+	timestamp, err := adapter.GetBlockTimestampByNumber(blockNumber)
+	assert.NoError(t, err)
+
+	// Ensure timestamp is greater than 0, indicating a valid response
+	assert.Greater(t, timestamp, uint64(0), "Expected a non-zero timestamp")
+
+	// ensure timestamp is 1733395440
+	assert.Equal(t, uint64(1733395440), timestamp, "Expected timestamp to be 1733395440")
+
+	// Log the timestamp for debugging
+	t.Logf("Timestamp for block %d: %d (Unix)", blockNumber, timestamp)
+}

internal/application/ports/execution_port.go

@@ -2,4 +2,5 @@ package ports
 
 type ExecutionPort interface {
 	GetMostRecentBlockNumber() (uint64, error)
+	GetBlockTimestampByNumber(blockNumber uint64) (uint64, error)
 }

internal/application/services/distributionLogUpdatedEventScanner.go

@@ -99,11 +99,21 @@ func (ds *DistributionLogUpdatedEventScanner) HandleDistributionLogUpdatedEvent(
 		return err
 	}
 
-	message := fmt.Sprintf("- 📦 New distribution log updated: %s", distributionLogUpdated.LogCid)
-	if err := ds.notifierPort.SendNotification(message); err != nil {
-		logger.ErrorWithPrefix(ds.servicePrefix, "Error sending distributionLogUpdated notification: %v", err)
+	blockTimestamp, err := ds.executionPort.GetBlockTimestampByNumber(distributionLogUpdated.Raw.BlockNumber)
+	if err != nil {
+		logger.ErrorWithPrefix(ds.servicePrefix, "Error getting block timestamp for block number %d: %v", distributionLogUpdated.Raw.BlockNumber, err)
 		return err
 	}
 
+	// If the block timestamp is within the last 24 hours, send a notification
+	if time.Now().Unix()-int64(blockTimestamp) < 24*60*60 {
+		message := fmt.Sprintf("- 📦 New distribution log updated: %s", distributionLogUpdated.LogCid)
+		if err := ds.notifierPort.SendNotification(message); err != nil {
+			logger.ErrorWithPrefix(ds.servicePrefix, "Error sending distributionLogUpdated notification: %v", err)
+			return err
+		}
+
+	}
+
 	return nil
 }