129 lines
3.0 KiB
Go
129 lines
3.0 KiB
Go
package main
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import (
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"context"
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"errors"
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"flag"
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"log/slog"
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"os"
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"os/signal"
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"sync"
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"syscall"
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"time"
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"github.com/grassrootseconomics/celo-indexer/internal/handler"
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"github.com/grassrootseconomics/celo-indexer/internal/store"
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"github.com/grassrootseconomics/celo-indexer/internal/sub"
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"github.com/knadh/koanf/v2"
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)
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const defaultGracefulShutdownPeriod = time.Second * 20
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var (
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build = "dev"
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confFlag string
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migrationsFolderFlag string
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queriesFlag string
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lo *slog.Logger
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ko *koanf.Koanf
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)
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func init() {
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flag.StringVar(&confFlag, "config", "config.toml", "Config file location")
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flag.StringVar(&migrationsFolderFlag, "migrations", "migrations/", "Migrations folder location")
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flag.StringVar(&queriesFlag, "queries", "queries.sql", "Queries file location")
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flag.Parse()
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lo = initLogger()
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ko = initConfig()
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lo.Info("starting celo indexer", "build", build)
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}
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func main() {
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var wg sync.WaitGroup
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ctx, stop := notifyShutdown()
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// chain, err := chain.NewChainProvider(chain.ChainOpts{
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// RPCEndpoint: ko.MustString("chain.rpc_endpoint"),
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// ChainID: ko.MustInt64("chain.chainid"),
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// })
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// if err != nil {
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// lo.Error("chain provider bootstrap failed", "error", err)
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// os.Exit(1)
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// }
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// cache := cache.NewCache()
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// lo.Info("starting cache bootstrap this may take a few minutes")
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// if err := chain.BootstrapCache(ko.MustStrings("bootstrap.ge_registries"), cache); err != nil {
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// lo.Error("cache bootstrap failed", "error", err)
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// os.Exit(1)
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// }
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// lo.Info("cache bootstrap completed successfully", "cache_size", cache.Size())
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store, err := store.NewPgStore(store.PgOpts{
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Logg: lo,
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DSN: ko.MustString("postgres.dsn"),
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MigrationsFolderPath: migrationsFolderFlag,
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QueriesFolderPath: queriesFlag,
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})
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if err != nil {
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lo.Error("could not initialize postgres store", "error", err)
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os.Exit(1)
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}
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handler := handler.NewHandler(handler.HandlerOpts{
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Store: store,
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// Cache: cache,
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})
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jetStreamSub, err := sub.NewJetStreamSub(sub.JetStreamOpts{
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Logg: lo,
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Store: store,
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Handler: handler,
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Endpoint: ko.MustString("jetstream.endpoint"),
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JetStreamID: ko.MustString("jetstream.id"),
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})
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if err != nil {
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lo.Error("could not initialize jetstream sub", "error", err)
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os.Exit(1)
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}
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wg.Add(1)
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go func() {
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defer wg.Done()
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jetStreamSub.Process()
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}()
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<-ctx.Done()
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lo.Info("shutdown signal received")
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shutdownCtx, cancel := context.WithTimeout(context.Background(), defaultGracefulShutdownPeriod)
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wg.Add(1)
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go func() {
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defer wg.Done()
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jetStreamSub.Close()
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}()
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go func() {
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wg.Wait()
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stop()
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cancel()
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os.Exit(0)
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}()
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<-shutdownCtx.Done()
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if errors.Is(shutdownCtx.Err(), context.DeadlineExceeded) {
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stop()
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cancel()
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lo.Error("graceful shutdown period exceeded, forcefully shutting down")
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}
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os.Exit(1)
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}
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func notifyShutdown() (context.Context, context.CancelFunc) {
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return signal.NotifyContext(context.Background(), os.Interrupt, syscall.SIGTERM, syscall.SIGINT)
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}
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