kopia lustrzana https://github.com/bugout-dev/moonstream
57 wiersze
1.6 KiB
Go
57 wiersze
1.6 KiB
Go
package cmd
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import (
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"database/sql"
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"encoding/json"
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"log"
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"net/http"
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)
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func pingRoute(w http.ResponseWriter, req *http.Request) {
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w.Header().Set("Content-Type", "application/json")
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response := PingResponse{Status: "ok"}
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json.NewEncoder(w).Encode(response)
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}
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// Fetch latest block record from database
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func (es *extendedServer) blocksLatestRoute(w http.ResponseWriter, req *http.Request) {
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w.Header().Set("Content-Type", "application/json")
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var blockNumbers []uint64
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var blockLatest BlockLatestResponse
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rows, err := es.db.Query(`(SELECT block_number FROM ethereum_blocks ORDER BY block_number DESC LIMIT 1)
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UNION ALL
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(SELECT block_number FROM polygon_blocks ORDER BY block_number DESC LIMIT 1)
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UNION ALL
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(SELECT block_number FROM polygon_labels WHERE label = 'moonworm-alpha' ORDER BY block_number DESC LIMIT 1)`)
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if err != nil {
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log.Printf("An error occurred during sql operation: %s", err)
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http.Error(w, "Internal server error", http.StatusInternalServerError)
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return
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}
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defer rows.Close()
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for rows.Next() {
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var bn uint64
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err := rows.Scan(&bn)
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if err != nil {
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if err == sql.ErrNoRows {
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http.Error(w, "Row not found", http.StatusNotFound)
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} else {
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http.Error(w, "Internal server error", http.StatusInternalServerError)
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}
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log.Printf("An error occurred during scan sql response: %s", err)
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return
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}
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blockNumbers = append(blockNumbers, bn)
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}
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blockLatest = BlockLatestResponse{
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EthereumBlockLatest: blockNumbers[0],
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PolygonBlockLatest: blockNumbers[1],
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PolygonBlockLatestLabelsMoonwormAlpha: blockNumbers[2],
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}
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json.NewEncoder(w).Encode(blockLatest)
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}
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