Documentation
¶
Overview ¶
Package position provides middleware utilities around positions. It wraps calls to the database and to the binance endpoints.
Index ¶
- Variables
- type Core
- func (c Core) Close(ctx context.Context, posID string) error
- func (c Core) Create(ctx context.Context, nPos NewPosition, now time.Time) (Position, error)
- func (c Core) Query(ctx context.Context, pageNumber int, rowsPerPage int) ([]Position, error)
- func (c Core) QueryByID(ctx context.Context, posID string) (Position, error)
- func (c Core) QueryByUser(ctx context.Context, pageNumber int, rowsPerPage int, usrID string) ([]Position, error)
- type NewPosition
- type Order
- type Position
Constants ¶
This section is empty.
Variables ¶
View Source
var ( ErrNotFound = errors.New("position not found") ErrInvalidID = errors.New("ID is not in its proper form") ErrAlreadyClosed = errors.New("can't close a position that is already closed") CLOSED = "CLOSED" OPEN = "OPEN" )
Set of error variables for CRUD operations.
Functions ¶
This section is empty.
Types ¶
type Core ¶
type Core struct {
// contains filtered or unexported fields
}
Core manages the set of API's for candle access.
func NewCore ¶
func NewCore(log *zap.SugaredLogger, sqlxDB *sqlx.DB) Core
NewCore constructs a core for user api access.
func (Core) Close ¶
Close closes a position identified by a given ID. Closing a position consist on figuring out the open balance and creating a position to set balance to 0.
type NewPosition ¶
type NewPosition struct {
UserID string `json:"user_id"`
SymbolID string `json:"symbol_id" validate:"required"`
Side string `json:"side" validate:"required"`
}
NewPosition contains information needed to create a new position
type Order ¶
type Order struct {
ID string `json:"order_id"`
SymbolID string `json:"symbol_id"`
PositionID string `json:"position_id"`
CreationTime orderTime `json:"creation_time"`
Price float64 `json:"price"`
Quantity float64 `json:"quantity"`
Status string `json:"status"`
Type string `json:"type"`
Side string `json:"side"`
}
Order represent an order in a position
type Position ¶
type Position struct {
ID string `json:"position_id"` // Position ID
SymbolID string `json:"-"` // SymbolID this position is trading on, used to preload Symbol
UserID string `json:"-"` // UserID who created this position, used to preload User
Side string `json:"side"` // Position side: SELL / BUY
Status string `json:"status"` // Status open / closed
CreationTime time.Time `json:"creation_time"` // CreationTime of the position
User string `json:"user"` // Name of the owner
Symbol string `json:"symbol"` // Symbol this position is trading on
Orders []Order `json:"orders"` // Orders belonging to this position
}
Position represents a single position
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