forked from stellar/go
/
ingest.go
122 lines (105 loc) · 3.09 KB
/
ingest.go
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package cmd
import (
"context"
"github.com/lib/pq"
"github.com/spf13/cobra"
ticker "github.com/stellar/go/exp/ticker/internal"
"github.com/stellar/go/exp/ticker/internal/tickerdb"
)
var ShouldStream bool
var BackfillHours int
func init() {
rootCmd.AddCommand(cmdIngest)
cmdIngest.AddCommand(cmdIngestAssets)
cmdIngest.AddCommand(cmdIngestTrades)
cmdIngest.AddCommand(cmdIngestOrderbooks)
cmdIngestTrades.Flags().BoolVar(
&ShouldStream,
"stream",
false,
"Continuously stream new trades from the Horizon Stream API as a daemon",
)
cmdIngestTrades.Flags().IntVar(
&BackfillHours,
"num-hours",
7*24,
"Number of past hours to backfill trade data",
)
}
var cmdIngest = &cobra.Command{
Use: "ingest [data type]",
Short: "Ingests new data from data type into the database.",
}
var cmdIngestAssets = &cobra.Command{
Use: "assets",
Short: "Refreshes the asset database with new data retrieved from Horizon.",
Run: func(cmd *cobra.Command, args []string) {
Logger.Info("Refreshing the asset database")
dbInfo, err := pq.ParseURL(DatabaseURL)
if err != nil {
Logger.Fatal("could not parse db-url:", err)
}
session, err := tickerdb.CreateSession("postgres", dbInfo)
if err != nil {
Logger.Fatal("could not connect to db:", err)
}
defer session.DB.Close()
err = ticker.RefreshAssets(&session, Client, Logger)
if err != nil {
Logger.Fatal("could not refresh error database:", err)
}
},
}
var cmdIngestTrades = &cobra.Command{
Use: "trades",
Short: "Fills the trade database with data retrieved form Horizon.",
Run: func(cmd *cobra.Command, args []string) {
dbInfo, err := pq.ParseURL(DatabaseURL)
if err != nil {
Logger.Fatal("could not parse db-url:", err)
}
session, err := tickerdb.CreateSession("postgres", dbInfo)
if err != nil {
Logger.Fatal("could not connect to db:", err)
}
defer session.DB.Close()
numDays := float32(BackfillHours) / 24.0
Logger.Infof(
"Backfilling Trade data for the past %d hour(s) [%.2f days]\n",
BackfillHours,
numDays,
)
err = ticker.BackfillTrades(&session, Client, Logger, BackfillHours, 0)
if err != nil {
Logger.Fatal("could not refresh error database:", err)
}
if ShouldStream {
Logger.Info("Streaming new data (this is a continuous process)")
ctx := context.Background()
err = ticker.StreamTrades(ctx, &session, Client, Logger)
if err != nil {
Logger.Fatal("could not refresh error database:", err)
}
}
},
}
var cmdIngestOrderbooks = &cobra.Command{
Use: "orderbooks",
Short: "Refreshes the orderbook stats database with new data retrieved from Horizon.",
Run: func(cmd *cobra.Command, args []string) {
Logger.Info("Refreshing the asset database")
dbInfo, err := pq.ParseURL(DatabaseURL)
if err != nil {
Logger.Fatal("could not parse db-url:", err)
}
session, err := tickerdb.CreateSession("postgres", dbInfo)
if err != nil {
Logger.Fatal("could not connect to db:", err)
}
defer session.DB.Close()
err = ticker.RefreshOrderbookEntries(&session, Client, Logger)
if err != nil {
Logger.Fatal("could not refresh error database:", err)
}
},
}