cic-custodial/cmd/service/init.go

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package main
import (
"strings"
"time"
"github.com/bsm/redislock"
celo "github.com/grassrootseconomics/cic-celo-sdk"
"github.com/grassrootseconomics/cic-custodial/internal/keystore"
"github.com/grassrootseconomics/cic-custodial/internal/nonce"
"github.com/grassrootseconomics/cic-custodial/internal/queries"
"github.com/grassrootseconomics/cic-custodial/internal/store"
"github.com/grassrootseconomics/cic-custodial/internal/tasker"
"github.com/grassrootseconomics/cic-custodial/pkg/logg"
"github.com/grassrootseconomics/cic-custodial/pkg/postgres"
"github.com/grassrootseconomics/cic-custodial/pkg/redis"
"github.com/jackc/pgx/v5/pgxpool"
"github.com/knadh/goyesql/v2"
"github.com/knadh/koanf"
"github.com/knadh/koanf/parsers/toml"
"github.com/knadh/koanf/providers/env"
"github.com/knadh/koanf/providers/file"
"github.com/nats-io/nats.go"
"github.com/zerodha/logf"
)
// Load config file.
func initConfig(configFilePath string) *koanf.Koanf {
var (
ko = koanf.New(".")
)
confFile := file.Provider(configFilePath)
if err := ko.Load(confFile, toml.Parser()); err != nil {
lo.Fatal("Could not load config file", "error", err)
}
if err := ko.Load(env.Provider("", ".", func(s string) string {
return strings.ReplaceAll(strings.ToLower(
strings.TrimPrefix(s, "")), "_", ".")
}), nil); err != nil {
lo.Fatal("Could not override config from env vars", "error", err)
}
return ko
}
// Load logger.
func initLogger(debug bool) logf.Logger {
loggOpts := logg.LoggOpts{
Color: true,
}
if debug {
loggOpts.Caller = true
loggOpts.Debug = true
}
return logg.NewLogg(loggOpts)
}
// Load Celo chain provider.
func initCeloProvider() (*celo.Provider, error) {
providerOpts := celo.ProviderOpts{
RpcEndpoint: ko.MustString("chain.rpc_endpoint"),
}
if ko.Bool("chain.testnet") {
// Devnet = 1337
providerOpts.ChainId = 1337
} else {
providerOpts.ChainId = celo.MainnetChainId
}
provider, err := celo.NewProvider(providerOpts)
if err != nil {
return nil, err
}
return provider, nil
}
// Load postgres pool.
func initPostgresPool() (*pgxpool.Pool, error) {
poolOpts := postgres.PostgresPoolOpts{
DSN: ko.MustString("postgres.dsn"),
}
pool, err := postgres.NewPostgresPool(poolOpts)
if err != nil {
return nil, err
}
return pool, nil
}
// Load separate redis connection for the tasker on a reserved db namespace.
func initAsynqRedisPool() (*redis.RedisPool, error) {
poolOpts := redis.RedisPoolOpts{
DSN: ko.MustString("asynq.dsn"),
MinIdleConns: ko.MustInt("redis.min_idle_conn"),
}
pool, err := redis.NewRedisPool(poolOpts)
if err != nil {
return nil, err
}
return pool, nil
}
// Common redis connection on a different db namespace from the takser.
func initCommonRedisPool() (*redis.RedisPool, error) {
poolOpts := redis.RedisPoolOpts{
DSN: ko.MustString("redis.dsn"),
MinIdleConns: ko.MustInt("redis.min_idle_conn"),
}
pool, err := redis.NewRedisPool(poolOpts)
if err != nil {
return nil, err
}
return pool, nil
}
// Load SQL statements into struct.
func initQueries(queriesPath string) (*queries.Queries, error) {
parsedQueries, err := goyesql.ParseFile(queriesFlag)
if err != nil {
return nil, err
}
loadedQueries, err := queries.LoadQueries(parsedQueries)
if err != nil {
return nil, err
}
return loadedQueries, nil
}
// Load postgres based keystore.
func initPostgresKeystore(postgresPool *pgxpool.Pool, queries *queries.Queries) (keystore.Keystore, error) {
keystore := keystore.NewPostgresKeytore(keystore.Opts{
PostgresPool: postgresPool,
Queries: queries,
})
return keystore, nil
}
// Load redis backed noncestore.
func initRedisNoncestore(redisPool *redis.RedisPool, celoProvider *celo.Provider) nonce.Noncestore {
return nonce.NewRedisNoncestore(nonce.Opts{
RedisPool: redisPool,
CeloProvider: celoProvider,
})
}
// Load global lock provider.
func initLockProvider(redisPool redislock.RedisClient) *redislock.Client {
return redislock.New(redisPool)
}
// Load tasker client.
func initTaskerClient(redisPool *redis.RedisPool) *tasker.TaskerClient {
return tasker.NewTaskerClient(tasker.TaskerClientOpts{
RedisPool: redisPool,
TaskRetention: time.Duration(ko.MustInt64("asynq.task_retention_hrs")) * time.Hour,
})
}
// Load Postgres store
func initPostgresStore(postgresPool *pgxpool.Pool, queries *queries.Queries) store.Store {
return store.NewPostgresStore(store.Opts{
PostgresPool: postgresPool,
Queries: queries,
})
}
// Init JetStream context for tasker events.
func initJetStream() (nats.JetStreamContext, error) {
natsConn, err := nats.Connect(ko.MustString("jetstream.endpoint"))
if err != nil {
return nil, err
}
js, err := natsConn.JetStream()
if err != nil {
return nil, err
}
// Bootstrap stream if it does not exist
stream, _ := js.StreamInfo(ko.MustString("jetstream.stream_name"))
if stream == nil {
lo.Info("jetstream: bootstrapping stream")
_, err = js.AddStream(&nats.StreamConfig{
Name: ko.MustString("jetstream.stream_name"),
MaxAge: time.Duration(ko.MustInt("jetstream.persist_duration_hours")) * time.Hour,
Storage: nats.FileStorage,
Subjects: ko.MustStrings("jetstream.stream_subjects"),
Duplicates: time.Duration(ko.MustInt("jetstream.dedup_duration_hours")) * time.Hour,
})
if err != nil {
return nil, err
}
}
return js, nil
}