151 lines
3.8 KiB
Go
151 lines
3.8 KiB
Go
package main
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import (
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"context"
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"strings"
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"time"
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"github.com/alitto/pond"
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"github.com/grassrootseconomics/celoutils"
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"github.com/grassrootseconomics/cic-chain-events/internal/pool"
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"github.com/grassrootseconomics/cic-chain-events/internal/pub"
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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/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/knadh/koanf/v2"
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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() logf.Logger {
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loggOpts := logf.Opts{}
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if debugFlag {
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loggOpts.EnableColor = true
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loggOpts.EnableColor = true
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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() *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(confFlag)
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if err := ko.Load(confFile, toml.Parser()); err != nil {
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lo.Fatal("init: could not load config file", "error", err)
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}
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if err := ko.Load(env.Provider("EVENTS_", ".", func(s string) string {
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return strings.ReplaceAll(strings.ToLower(
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strings.TrimPrefix(s, "EVENTS_")), "__", ".")
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}), nil); err != nil {
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lo.Fatal("init: could not override config from env vars", "error", err)
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}
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if debugFlag {
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ko.Print()
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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("init: 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(migrationsPath string, queries goyesql.Queries) store.Store[pgx.Rows] {
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pgStore, err := store.NewPostgresStore(store.PostgresStoreOpts{
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MigrationsFolderPath: migrationsPath,
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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: queries,
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})
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if err != nil {
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lo.Fatal("init: critical error loading chain provider", "error", err)
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}
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return pgStore
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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 initJanitorWorkerPool(ctx context.Context) *pond.WorkerPool {
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return pool.NewPool(ctx, pool.Opts{
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Concurrency: ko.MustInt("syncer.janitor_concurrency"),
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QueueSize: ko.MustInt("syncer.janitor_queue_size"),
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})
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}
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func initHeadSyncerWorkerPool(ctx context.Context) *pond.WorkerPool {
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return pool.NewPool(ctx, pool.Opts{
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Concurrency: 1,
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QueueSize: 1,
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})
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}
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func initJetStream() (*nats.Conn, nats.JetStreamContext) {
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natsConn, err := nats.Connect(ko.MustString("jetstream.endpoint"))
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if err != nil {
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lo.Fatal("init: critical error connecting to NATS", "error", err)
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}
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js, err := natsConn.JetStream()
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if err != nil {
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lo.Fatal("init: bad JetStream opts", "error", err)
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}
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return natsConn, js
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}
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func initPub(natsConn *nats.Conn, jsCtx nats.JetStreamContext) *pub.Pub {
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pub, err := pub.NewPub(pub.PubOpts{
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DedupDuration: time.Duration(ko.MustInt("jetstream.dedup_duration_hrs")) * time.Hour,
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JsCtx: jsCtx,
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NatsConn: natsConn,
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PersistDuration: time.Duration(ko.MustInt("jetstream.persist_duration_hrs")) * time.Hour,
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})
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if err != nil {
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lo.Fatal("init: critical error bootstrapping pub", "error", err)
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}
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return pub
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}
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func initCeloProvider() *celoutils.Provider {
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providerOpts := celoutils.ProviderOpts{
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RpcEndpoint: ko.MustString("chain.rpc_endpoint"),
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}
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if ko.Bool("chain.testnet") {
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providerOpts.ChainId = celoutils.TestnetChainId
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} else {
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providerOpts.ChainId = celoutils.MainnetChainId
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}
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provider, err := celoutils.NewProvider(providerOpts)
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if err != nil {
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lo.Fatal("init: critical error loading chain provider", "error", err)
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}
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return provider
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}
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