109 lines
2.6 KiB
Go
109 lines
2.6 KiB
Go
package main
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import (
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"strings"
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"time"
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"github.com/grassrootseconomics/cic-chain-events/internal/store"
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"github.com/grassrootseconomics/cic-chain-events/pkg/fetch"
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"github.com/jackc/pgx/v5"
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"github.com/knadh/goyesql/v2"
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"github.com/knadh/koanf"
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"github.com/knadh/koanf/parsers/toml"
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"github.com/knadh/koanf/providers/env"
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"github.com/knadh/koanf/providers/file"
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"github.com/nats-io/nats.go"
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"github.com/zerodha/logf"
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)
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func initLogger(debug bool) logf.Logger {
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loggOpts := logf.Opts{
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EnableColor: true,
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}
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if debug {
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loggOpts.Level = logf.DebugLevel
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}
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return logf.New(loggOpts)
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}
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func initConfig(configFilePath string) *koanf.Koanf {
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var (
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ko = koanf.New(".")
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)
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confFile := file.Provider(configFilePath)
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if err := ko.Load(confFile, toml.Parser()); err != nil {
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lo.Fatal("could not load config file", "error", err)
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}
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if err := ko.Load(env.Provider("", ".", func(s string) string {
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return strings.ReplaceAll(strings.ToLower(
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strings.TrimPrefix(s, "")), "_", ".")
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}), nil); err != nil {
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lo.Fatal("could not override config from env vars", "error", err)
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}
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return ko
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}
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func initQueries(queriesPath string) goyesql.Queries {
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queries, err := goyesql.ParseFile(queriesPath)
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if err != nil {
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lo.Fatal("could not load queries file", "error", err)
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}
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return queries
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}
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func initPgStore() (store.Store[pgx.Rows], error) {
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pgStore, err := store.NewPostgresStore(store.PostgresStoreOpts{
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DSN: ko.MustString("postgres.dsn"),
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InitialLowerBound: uint64(ko.MustInt64("syncer.initial_lower_bound")),
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Logg: lo,
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Queries: q,
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})
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if err != nil {
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return nil, err
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}
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return pgStore, nil
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}
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func initFetcher() fetch.Fetch {
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return fetch.NewGraphqlFetcher(fetch.GraphqlOpts{
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GraphqlEndpoint: ko.MustString("chain.graphql_endpoint"),
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})
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}
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func initJetStream() (nats.JetStreamContext, error) {
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natsConn, err := nats.Connect(ko.MustString("jetstream.endpoint"))
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if err != nil {
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return nil, err
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}
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js, err := natsConn.JetStream()
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if err != nil {
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return nil, err
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}
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// Bootstrap stream if it does not exist
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stream, _ := js.StreamInfo(ko.MustString("jetstream.stream_name"))
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if stream == nil {
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lo.Info("jetstream: bootstrapping stream")
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_, err = js.AddStream(&nats.StreamConfig{
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Name: ko.MustString("jetstream.stream_name"),
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MaxAge: time.Duration(ko.MustInt("jetstream.persist_duration_hours")) * time.Hour,
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Storage: nats.FileStorage,
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Subjects: ko.MustStrings("jetstream.stream_subjects"),
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Duplicates: time.Duration(ko.MustInt("jetstream.dedup_duration_hours")) * time.Hour,
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})
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if err != nil {
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return nil, err
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}
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}
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return js, nil
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}
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