45 lines
1.1 KiB
Go
45 lines
1.1 KiB
Go
package tacitus
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import (
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"github.com/shopspring/decimal"
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"strings"
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"time"
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)
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var PRODUCTS = [...]string{"BTC-USD", "ETH-USD"}
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type Trade struct {
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Id int `json:"-"`
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TradeId int `json:"trade_id,"`
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Product string `json:"product,"`
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Price decimal.Decimal `json:"price,"`
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Size decimal.Decimal `json:"size,"`
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Buy bool `json:"buy,"`
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Sell bool `json:"sell,"`
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Timestamp time.Time `json:"timestamp,"`
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}
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type TradeService interface {
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Trade(id int) (*Trade, error)
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TradeByTradeId(id int, prod string) (*Trade, error)
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CreateTrade(t *Trade) error
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DeleteTrade(id int)
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TradesInDateRange(product string, start, end time.Time) ([]Trade, error)
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FirstTrades(product string, limit int) ([]Trade, error)
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LastTrades(product string, limit int) ([]Trade, error)
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TradesAfter(product string, id, limit int) ([]Trade, error)
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TradesBefore(product string, id, limit int) ([]Trade, error)
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}
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func ValidProduct(prod string) bool {
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prod = strings.ToUpper(prod)
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for _, p := range PRODUCTS {
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if p == prod {
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return true
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}
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}
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return false
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}
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