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https://github.com/c9s/bbgo.git
synced 2024-11-10 09:11:55 +00:00
improve config loading by adding unmarshal yaml method
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parent
cd666fdf9e
commit
19f259111d
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@ -27,12 +27,10 @@ reportPnL:
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sessions:
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max:
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exchange: max
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keyVar: MAX_API_KEY
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secretVar: MAX_API_SECRET
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envVarPrefix: "MAX_API_"
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binance:
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exchange: binance
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keyVar: BINANCE_API_KEY
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secretVar: BINANCE_API_SECRET
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envVarPrefix: "BINANCE_API_"
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exchangeStrategies:
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- on: binance
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@ -53,16 +53,12 @@ func TestEnvironment_Connect(t *testing.T) {
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ctx, cancel := context.WithCancel(context.Background())
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defer cancel()
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xdb, err := sqlx.Connect("mysql", mysqlURL)
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assert.NoError(t, err)
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environment := NewEnvironment()
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environment.AddExchange("binance", exchange).
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Subscribe(types.KLineChannel,"BTCUSDT", types.SubscribeOptions{})
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Subscribe(types.KLineChannel, "BTCUSDT", types.SubscribeOptions{})
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err = environment.Connect(ctx)
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err := environment.Connect(ctx)
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assert.NoError(t, err)
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time.Sleep(5 * time.Second)
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}
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@ -66,7 +66,7 @@ func compileRunFile(filepath string, config *config.Config) error {
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return ioutil.WriteFile(filepath, buf.Bytes(), 0644)
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}
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func runConfig(ctx context.Context, config *config.Config) error {
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func runConfig(ctx context.Context, userConfig *config.Config) error {
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// configure notifiers
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slackToken := viper.GetString("slack-token")
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if len(slackToken) > 0 {
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@ -93,21 +93,22 @@ func runConfig(ctx context.Context, config *config.Config) error {
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trader := bbgo.NewTrader(environ)
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trader.AddNotifier(notifierSet)
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for _, entry := range config.ExchangeStrategies {
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for _, entry := range userConfig.ExchangeStrategies {
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for _, mount := range entry.Mounts {
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log.Infof("attaching strategy %T on %s...", entry.Strategy, mount)
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trader.AttachStrategyOn(mount, entry.Strategy)
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}
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}
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for _, strategy := range config.CrossExchangeStrategies {
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for _, strategy := range userConfig.CrossExchangeStrategies {
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log.Infof("attaching strategy %T", strategy)
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trader.AttachCrossExchangeStrategy(strategy)
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}
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for _, report := range config.PnLReporters {
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for _, report := range userConfig.PnLReporters {
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if len(report.AverageCostBySymbols) > 0 {
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log.Infof("setting up average cost pnl reporter on symbols: %v", report.AverageCostBySymbols)
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trader.ReportPnL(notifierSet).
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AverageCostBySymbols(report.AverageCostBySymbols...).
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Of(report.Of...).
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@ -40,6 +40,23 @@ func (s *StringSlice) decode(a interface{}) error {
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return nil
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}
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func (s *StringSlice) UnmarshalYAML(unmarshal func(interface{}) error) (err error) {
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var ss []string
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err = unmarshal(&ss)
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if err == nil {
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*s = ss
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return
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}
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var as string
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err = unmarshal(&as)
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if err == nil {
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*s = append(*s, as)
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}
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return err
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}
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func (s *StringSlice) UnmarshalJSON(b []byte) error {
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var a interface{}
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var err = json.Unmarshal(b, &a)
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@ -51,18 +68,25 @@ func (s *StringSlice) UnmarshalJSON(b []byte) error {
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}
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type PnLReporter struct {
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AverageCostBySymbols StringSlice `json:"averageCostBySymbols"`
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AverageCostBySymbols StringSlice `json:"averageCostBySymbols" yaml:"averageCostBySymbols"`
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Of StringSlice `json:"of" yaml:"of"`
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When StringSlice `json:"when" yaml:"when"`
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}
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type Session struct {
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ExchangeName string `json:"exchange" yaml:"exchange"`
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EnvVarPrefix string `json:"envVarPrefix" yaml:"envVarPrefix"`
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}
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type Config struct {
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Imports []string `json:"imports" yaml:"imports"`
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Sessions map[string]Session `json:"sessions,omitempty" yaml:"sessions,omitempty"`
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ExchangeStrategies []SingleExchangeStrategyConfig
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CrossExchangeStrategies []bbgo.CrossExchangeStrategy
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PnLReporters []PnLReporter `json:"reportPnL" yaml:"reportPnL"`
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PnLReporters []PnLReporter `json:"reportPnL,omitempty" yaml:"reportPnL,omitempty"`
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}
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type Stash map[string]interface{}
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@ -84,12 +108,12 @@ func Load(configFile string) (*Config, error) {
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return nil, err
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}
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stash, err := loadStash(content)
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if err != nil {
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if err := yaml.Unmarshal(content, &config); err != nil {
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return nil, err
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}
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if err := loadImports(&config, stash); err != nil {
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stash, err := loadStash(content)
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if err != nil {
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return nil, err
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}
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@ -101,43 +125,9 @@ func Load(configFile string) (*Config, error) {
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return nil, err
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}
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if err := loadReportPnL(&config, stash); err != nil {
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return nil, err
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}
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return &config, nil
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}
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func loadImports(config *Config, stash Stash) error {
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importStash, ok := stash["imports"]
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if !ok {
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return nil
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}
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imports, err := reUnmarshal(importStash, &config.Imports)
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if err != nil {
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return err
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}
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config.Imports = *imports.(*[]string)
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return nil
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}
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func loadReportPnL(config *Config, stash Stash) error {
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reporterStash, ok := stash["reportPnL"]
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if !ok {
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return nil
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}
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reporters, err := reUnmarshal(reporterStash, &config.PnLReporters)
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if err != nil {
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return err
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}
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config.PnLReporters = *(reporters.(*[]PnLReporter))
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return nil
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}
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func loadCrossExchangeStrategies(config *Config, stash Stash) (err error) {
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exchangeStrategiesConf, ok := stash["crossExchangeStrategies"]
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if !ok {
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@ -148,7 +138,6 @@ func loadCrossExchangeStrategies(config *Config, stash Stash) (err error) {
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return errors.New("no cross exchange strategy is registered")
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}
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configList, ok := exchangeStrategiesConf.([]interface{})
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if !ok {
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return errors.New("expecting list in crossExchangeStrategies")
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