/
app.go
147 lines (127 loc) · 4.3 KB
/
app.go
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package app
import (
"encoding/json"
"fmt"
"log"
"os"
"time"
"github.com/spf13/viper"
"gorm.io/driver/mysql"
"gorm.io/gorm"
"gorm.io/gorm/logger"
"github.com/bnb-chain/greenfield-relayer/assembler"
"github.com/bnb-chain/greenfield-relayer/config"
"github.com/bnb-chain/greenfield-relayer/db/dao"
"github.com/bnb-chain/greenfield-relayer/db/model"
"github.com/bnb-chain/greenfield-relayer/executor"
"github.com/bnb-chain/greenfield-relayer/listener"
"github.com/bnb-chain/greenfield-relayer/metric"
"github.com/bnb-chain/greenfield-relayer/relayer"
"github.com/bnb-chain/greenfield-relayer/vote"
)
type App struct {
BSCRelayer *relayer.BSCRelayer
GnfdRelayer *relayer.GreenfieldRelayer
metricService *metric.MetricService
}
func NewApp(cfg *config.Config) *App {
username := viper.GetString(config.FlagConfigDbUsername)
if username == "" {
username = os.Getenv(config.ConfigDBUserName)
if username == "" {
username = cfg.DBConfig.Username
}
}
password := viper.GetString(config.FlagConfigDbPass)
if password == "" {
password = os.Getenv(config.ConfigDBPass)
if password == "" {
password = getDBPass(&cfg.DBConfig)
}
}
newLogger := logger.New(
log.New(os.Stdout, "\r\n", log.LstdFlags), // io writer
logger.Config{
SlowThreshold: time.Second, // Slow SQL threshold
LogLevel: logger.Silent, // Log level
IgnoreRecordNotFoundError: true, // Ignore ErrRecordNotFound error for logger
Colorful: true, // Disable color
},
)
var db *gorm.DB
var err error
var dialector gorm.Dialector
if cfg.DBConfig.Dialect == config.DBDialectMysql {
url := cfg.DBConfig.Url
dbPath := fmt.Sprintf("%s:%s@%s", username, password, url)
dialector = mysql.Open(dbPath)
} else {
panic(fmt.Sprintf("unexpected DB dialect %s", cfg.DBConfig.Dialect))
}
db, err = gorm.Open(dialector, &gorm.Config{
Logger: newLogger,
})
if err != nil {
panic(fmt.Sprintf("open db error, err=%s", err.Error()))
}
dbConfig, err := db.DB()
if err != nil {
panic(err)
}
dbConfig.SetMaxIdleConns(cfg.DBConfig.MaxIdleConns)
dbConfig.SetMaxOpenConns(cfg.DBConfig.MaxOpenConns)
model.InitBSCTables(db)
model.InitGreenfieldTables(db)
model.InitVoteTables(db)
metricService := metric.NewMetricService(cfg)
greenfieldDao := dao.NewGreenfieldDao(db)
bscDao := dao.NewBSCDao(db)
voteDao := dao.NewVoteDao(db)
daoManager := dao.NewDaoManager(greenfieldDao, bscDao, voteDao)
greenfieldExecutor := executor.NewGreenfieldExecutor(cfg)
bscExecutor := executor.NewBSCExecutor(cfg, metricService)
greenfieldExecutor.SetBSCExecutor(bscExecutor)
bscExecutor.SetGreenfieldExecutor(greenfieldExecutor)
// vote signer
signer := vote.NewVoteSigner(greenfieldExecutor.BlsPrivateKey)
// voteProcessors
greenfieldVoteProcessor := vote.NewGreenfieldVoteProcessor(cfg, daoManager, signer, greenfieldExecutor)
bscVoteProcessor := vote.NewBSCVoteProcessor(cfg, daoManager, signer, bscExecutor)
// listeners
greenfieldListener := listener.NewGreenfieldListener(cfg, greenfieldExecutor, bscExecutor, daoManager, metricService)
bscListener := listener.NewBSCListener(cfg, bscExecutor, greenfieldExecutor, daoManager, metricService)
// assemblers
greenfieldAssembler := assembler.NewGreenfieldAssembler(cfg, greenfieldExecutor, daoManager, bscExecutor, metricService)
bscAssembler := assembler.NewBSCAssembler(cfg, bscExecutor, daoManager, greenfieldExecutor, metricService)
// relayers
gnfdRelayer := relayer.NewGreenfieldRelayer(greenfieldListener, greenfieldExecutor, bscExecutor, greenfieldVoteProcessor, greenfieldAssembler)
bscRelayer := relayer.NewBSCRelayer(bscListener, greenfieldExecutor, bscExecutor, bscVoteProcessor, bscAssembler)
return &App{
BSCRelayer: bscRelayer,
GnfdRelayer: gnfdRelayer,
metricService: metricService,
}
}
func (a *App) Start() {
a.GnfdRelayer.Start()
a.BSCRelayer.Start()
a.metricService.Start()
}
func getDBPass(cfg *config.DBConfig) string {
if cfg.KeyType == config.KeyTypeAWSPrivateKey {
result, err := config.GetSecret(cfg.AWSSecretName, cfg.AWSRegion)
if err != nil {
panic(err)
}
type DBPass struct {
DbPass string `json:"db_pass"`
}
var dbPassword DBPass
err = json.Unmarshal([]byte(result), &dbPassword)
if err != nil {
panic(err)
}
return dbPassword.DbPass
}
return cfg.Password
}