coin/market/setting.go

package market

import (
	"encoding/json"
	"log"
	"sync"

	"git.apinb.com/bsm-sdk/core/utils"
)

var (
	AllowSymbolsEndpoint   string = "http://market.senlin.ai/symbols/allow"
	SymbolsSettingEndpoint string = "http://market.senlin.ai/symbols/get/"
	AllowSymbols           *symbols
)

type PairSetting struct {
	Symbol             string  `json:"symbol"`
	PricePrecision     int     `json:"pricePrecision"`     // 价格小数点位数
	QuantityPrecision  int     `json:"quantityPrecision"`  // 数量小数点位数
	MinNotional        float64 `json:"minNotional"`        // 最小名义价值
	MinTradeNum        float64 `json:"minTradeNum"`        // 最小开单数量(基础币)
	BaseAssetPrecision int     `json:"baseAssetPrecision"` // 标的资产精度
	Commit             string  `json:"commit"`             // 备注
	Level              int     `json:"level"`              // 仓位等级
	MinClosePrecision  float64 `json:"minClosePrecision"`  // 平仓利润率百分比
	TickSize           float64 `json:"tickSize"`           // 最小价格变动单位
	//LowestPrice        float64 `json:"lowestPrice"`        // 最低价，低位不做空
	//HightPrice         float64 `json:"hightPrice"`         // 最高价，高位不做多
	//MaxMarginSize float64 `json:"maxMarginSize"` // 最大仓位
}

type symbols struct {
	sync.RWMutex
	Data map[string]*PairSetting
}

func NewAllowAllSymbols() {
	AllowSymbols = &symbols{
		Data: make(map[string]*PairSetting),
	}
}

func (m *symbols) Set(symbol string, setting *PairSetting) {
	m.Lock()
	defer m.Unlock()
	m.Data[symbol] = setting
}

func (m *symbols) Get(symbol string) *PairSetting {
	m.RLock()
	defer m.RUnlock()
	return m.Data[symbol]
}

func (m *symbols) Del(symbol string) {
	m.Lock()
	defer m.Unlock()
	delete(m.Data, symbol)
}

func (m *symbols) SetData(Data map[string]*PairSetting) {
	m.RLock()
	defer m.RUnlock()
	m.Data = Data
}

func (m *symbols) All() map[string]*PairSetting {
	m.RLock()
	defer m.RUnlock()
	return m.Data
}

// 读取行情接口，返回行情接口的最小止盈百分比
func FetchMarketSymbolsSetting(leverage int) ([]string, map[string]*PairSetting, error) {
	var data map[string]*PairSetting
	body, err := utils.HttpGet(AllowSymbolsEndpoint)
	if err != nil {
		return nil, nil, err
	}
	log.Println("AllowSymbolsSetting", string(body))

	err = json.Unmarshal(body, &data)
	if err != nil {
		return nil, nil, err
	}

	var symboles []string
	for k, val := range data {
		data[k].MinClosePrecision = val.MinClosePrecision * float64(leverage) // 根据杠杆调整最小平仓利润率
		symboles = append(symboles, k)
	}
	return symboles, data, nil
}

// 读取行情接口，不处理最小止盈百分比
func FetchMarketSymbolsSetting_V2(leverage int) (map[string]*PairSetting, error) {
	var data map[string]*PairSetting
	body, err := utils.HttpGet(AllowSymbolsEndpoint)
	if err != nil {
		return nil, err
	}
	log.Println("AllowSymbolsSetting", string(body))

	err = json.Unmarshal(body, &data)
	if err != nil {
		return nil, err
	}

	return data, nil
}

func InitAllowSymbolsSetting(posSymbols []string) (map[string]*PairSetting, error) {
	data := make(map[string]*PairSetting)
	for _, symbol := range posSymbols {
		if _, ok := data[symbol]; !ok {
			var pairSetting PairSetting
			body, err := utils.HttpGet(SymbolsSettingEndpoint + symbol)
			if err != nil {
				return nil, err
			}
			err = json.Unmarshal(body, &pairSetting)
			if err != nil {
				return nil, err
			}
			data[symbol] = &pairSetting
		}
	}

	AllowSymbols.SetData(data)
	log.Println("GetAllowSymbolsSetting Lenght:", len(data))
	return data, nil
}

func RefreshAllowSymbolsSetting(posSymbols []string) error {
	var data map[string]*PairSetting
	body, err := utils.HttpGet(AllowSymbolsEndpoint)
	if err != nil {
		return err
	}
	log.Println("AllowSymbolsSetting", string(body))

	err = json.Unmarshal(body, &data)
	if err != nil {
		return err
	}

	for _, symbol := range posSymbols {
		if _, ok := data[symbol]; !ok {
			var pairSetting PairSetting
			body, err := utils.HttpGet(SymbolsSettingEndpoint + symbol)
			if err != nil {
				return err
			}
			err = json.Unmarshal(body, &pairSetting)
			if err != nil {
				return err
			}
			data[symbol] = &pairSetting
		}
	}

	AllowSymbols.SetData(data)
	log.Println("RefreshAllowSymbolsSetting Lenght:", len(data))
	return nil
}