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https://github.com/d0zingcat/gocryptotrader.git
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4851e94eba
* engine: Add error returns * engine: after merge fixes * engine: remove interface * linter: fix shadow declarations * engine: fix tests * niterinos: fixed * GLORIOUS NITS!
86 lines
3.2 KiB
Go
86 lines
3.2 KiB
Go
package engine
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import (
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"errors"
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"github.com/thrasher-corp/gocryptotrader/communications/base"
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"github.com/thrasher-corp/gocryptotrader/currency"
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"github.com/thrasher-corp/gocryptotrader/database"
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exchange "github.com/thrasher-corp/gocryptotrader/exchanges"
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"github.com/thrasher-corp/gocryptotrader/exchanges/asset"
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"github.com/thrasher-corp/gocryptotrader/exchanges/order"
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"github.com/thrasher-corp/gocryptotrader/exchanges/orderbook"
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"github.com/thrasher-corp/gocryptotrader/exchanges/ticker"
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"github.com/thrasher-corp/gocryptotrader/portfolio"
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)
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const (
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// MsgSubSystemStarting message to return when subsystem is starting up
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MsgSubSystemStarting = "starting..."
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// MsgSubSystemStarted message to return when subsystem has started
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MsgSubSystemStarted = "started."
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// MsgSubSystemShuttingDown message to return when a subsystem is shutting down
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MsgSubSystemShuttingDown = "shutting down..."
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// MsgSubSystemShutdown message to return when a subsystem has shutdown
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MsgSubSystemShutdown = "shutdown."
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)
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var (
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// ErrSubSystemAlreadyStarted message to return when a subsystem is already started
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ErrSubSystemAlreadyStarted = errors.New("subsystem already started")
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// ErrSubSystemNotStarted message to return when subsystem not started
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ErrSubSystemNotStarted = errors.New("subsystem not started")
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// ErrNilSubsystem is returned when a subsystem hasn't had its Setup() func run
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ErrNilSubsystem = errors.New("subsystem not setup")
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errNilWaitGroup = errors.New("nil wait group received")
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errNilExchangeManager = errors.New("cannot start with nil exchange manager")
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errNilDatabaseConnectionManager = errors.New("cannot start with nil database connection manager")
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errNilConfig = errors.New("received nil config")
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)
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// iExchangeManager limits exposure of accessible functions to exchange manager
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// so that subsystems can use some functionality
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type iExchangeManager interface {
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GetExchanges() []exchange.IBotExchange
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GetExchangeByName(string) (exchange.IBotExchange, error)
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}
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// iCommsManager limits exposure of accessible functions to communication manager
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type iCommsManager interface {
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PushEvent(evt base.Event)
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}
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// iOrderManager defines a limited scoped order manager
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type iOrderManager interface {
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Exists(*order.Detail) bool
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Add(*order.Detail) error
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Cancel(*order.Cancel) error
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GetByExchangeAndID(string, string) (*order.Detail, error)
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UpdateExistingOrder(*order.Detail) error
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}
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// iPortfolioManager limits exposure of accessible functions to portfolio manager
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type iPortfolioManager interface {
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GetPortfolioSummary() portfolio.Summary
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IsWhiteListed(string) bool
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IsExchangeSupported(string, string) bool
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}
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// iBot limits exposure of accessible functions to engine bot
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type iBot interface {
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SetupExchanges() error
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}
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// iCurrencyPairSyncer defines a limited scoped currency pair syncer
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type iCurrencyPairSyncer interface {
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IsRunning() bool
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PrintTickerSummary(*ticker.Price, string, error)
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PrintOrderbookSummary(*orderbook.Base, string, error)
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Update(string, currency.Pair, asset.Item, int, error) error
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}
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// iDatabaseConnectionManager defines a limited scoped databaseConnectionManager
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type iDatabaseConnectionManager interface {
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GetInstance() database.IDatabase
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}
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