cic-custodial/cmd/service/main.go

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package main
import (
"context"
"flag"
"os"
"os/signal"
"strings"
"sync"
"syscall"
"github.com/grassrootseconomics/cic-custodial/internal/custodial"
"github.com/grassrootseconomics/cic-custodial/internal/tasker"
"github.com/knadh/koanf"
"github.com/labstack/echo/v4"
"github.com/zerodha/logf"
)
var (
confFlag string
debugFlag bool
queriesFlag string
lo logf.Logger
ko *koanf.Koanf
)
func init() {
flag.StringVar(&confFlag, "config", "config.toml", "Config file location")
flag.BoolVar(&debugFlag, "log", false, "Enable debug logging")
flag.StringVar(&queriesFlag, "queries", "queries/queries.sql", "Queries file location")
flag.Parse()
lo = initLogger(debugFlag)
ko = initConfig(confFlag)
}
func main() {
var (
tasker *tasker.TaskerServer
apiServer *echo.Echo
)
ctx, stop := signal.NotifyContext(context.Background(), os.Interrupt, syscall.SIGTERM)
defer stop()
queries, err := initQueries(queriesFlag)
if err != nil {
lo.Fatal("main: critical error loading SQL queries", "error", err)
}
celoProvider, err := initCeloProvider()
if err != nil {
lo.Fatal("main: critical error loading chain provider", "error", err)
}
postgresPool, err := initPostgresPool()
if err != nil {
lo.Fatal("main: critical error connecting to postgres", "error", err)
}
asynqRedisPool, err := initAsynqRedisPool()
if err != nil {
lo.Fatal("main: critical error connecting to asynq redis db", "error", err)
}
redisPool, err := initCommonRedisPool()
if err != nil {
lo.Fatal("main: critical error connecting to common redis db", "error", err)
}
postgresKeystore, err := initPostgresKeystore(postgresPool, queries)
if err != nil {
lo.Fatal("main: critical error loading keystore")
}
jsEventEmitter, err := initJetStream()
if err != nil {
lo.Fatal("main: critical error loading jetstream event emitter")
}
pgStore := initPostgresStore(postgresPool, queries)
redisNoncestore := initRedisNoncestore(redisPool, celoProvider)
lockProvider := initLockProvider(redisPool.Client)
taskerClient := initTaskerClient(asynqRedisPool)
systemContainer, err := initSystemContainer(context.Background(), redisNoncestore)
if err != nil {
lo.Fatal("main: critical error bootstrapping system container", "error", err)
}
custodial := &custodial.Custodial{
CeloProvider: celoProvider,
EventEmitter: jsEventEmitter,
Keystore: postgresKeystore,
LockProvider: lockProvider,
Noncestore: redisNoncestore,
PgStore: pgStore,
SystemContainer: systemContainer,
TaskerClient: taskerClient,
}
wg := &sync.WaitGroup{}
apiServer = initApiServer(custodial)
wg.Add(1)
go func() {
defer wg.Done()
lo.Info("main: starting API server")
if err := apiServer.Start(ko.MustString("service.address")); err != nil {
if strings.Contains(err.Error(), "Server closed") {
lo.Info("main: shutting down server")
} else {
lo.Fatal("main: critical error shutting down server", "err", err)
}
}
}()
tasker = initTasker(custodial, asynqRedisPool)
wg.Add(1)
go func() {
defer wg.Done()
lo.Info("Starting tasker")
if err := tasker.Start(); err != nil {
lo.Fatal("main: could not start task server", "err", err)
}
}()
<-ctx.Done()
lo.Info("main: stopping tasker")
tasker.Stop()
lo.Info("main: stopping api server")
if err := apiServer.Shutdown(ctx); err != nil {
lo.Error("Could not gracefully shutdown api server", "err", err)
}
wg.Wait()
}