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138 lines
4.0 KiB
138 lines
4.0 KiB
2 months ago
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package virtual
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import (
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"context"
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"encoding/json"
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"github.com/redis/go-redis/v9"
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"github.com/shopspring/decimal"
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"matchmaking-system/internal/biz/structure"
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"matchmaking-system/internal/data/memory"
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"matchmaking-system/internal/pkg/flags"
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"matchmaking-system/internal/pkg/logging/applogger"
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"matchmaking-system/internal/pkg/logging/common"
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"matchmaking-system/internal/pkg/setting"
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)
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/*
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处理合约下单交易(订单状态:0-挂单(委托),1-持仓订单,2-已撤单,3-完成订单)
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1>写入挂单缓存列表
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2>监控挂单缓存列表
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3>监控持仓缓存列表
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4>处理完成订单
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5>清理缓存列表
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*/
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// ContractTallyCache
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// @Description:
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type ContractTallyCache struct {
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UserId int64 // 用户ID
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OrderId string // 订单ID
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Symbol string // 交易对
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Status string // 订单状态
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OpenPrice string // 开仓价格
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ClosingPrice string // 平仓价格
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Order structure.ContractOrder // 下单信息
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}
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// ContractCacheDeal
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//
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// @Description:
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// @param ctx
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// @param userId
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// @param orderId
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// @param priceNew
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// @param order
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// @return string
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// @return *ContractTallyCache
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// @return error
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func ContractCacheDeal(ctx context.Context, userId int64, orderId, priceNew string, order structure.ContractOrder) (string, *ContractTallyCache, error) {
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var marketStatus string
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tallyCache := &ContractTallyCache{
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UserId: userId, // 下单用户ID
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OrderId: orderId, // 下单订单ID
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Symbol: order.ContractId, // 下单交易对
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Status: flags.Entrust, // 下单挂单状态
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Order: order, // 完整下单信息
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}
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switch order.DealType {
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case flags.DealTypeLimited: // 限价(买涨|买跌)
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marketStatus = setting.MarketContractEntrust
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case flags.DealTypeMarket: // 市价(买涨|买跌)
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priceS := decimal.RequireFromString(priceNew) // 当前下单合约最新市价
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// TODO: 设置价差
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//var openPrice decimal.Decimal
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//difference := priceS.Mul(utils.Difference()) // 设置价差
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//switch order.TradeType {
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//case flags.TradeTypeBuy: // 买涨
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// openPrice = priceS.Add(difference) // 开仓价格
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//case flags.TradeTypeSell: // 买跌
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// openPrice = priceS.Sub(difference) // 开仓价格
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//}
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tallyCache.OpenPrice = priceS.String() // 市价下单开仓价格(price)
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tallyCache.Status = flags.Position // 市价下单持仓状态(status)
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marketStatus = setting.MarketContractPosition // (挂单|持仓)缓存列表
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}
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return marketStatus, tallyCache, nil
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}
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// ContractSubMarketPrice
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//
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// @Description: 下单订阅行情数据
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// @param ctx
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// @param subKey
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// @return string
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// @return error
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func ContractSubMarketPrice(ctx context.Context, subKey string) (string, error) {
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price, err := memory.GetContractCache(subKey)
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if err != nil {
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return flags.SetNull, err
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}
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return string(price), nil
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}
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// ContractPushAddCache
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//
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// @Description: 下单录入(挂单|持仓)缓存列表
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// @param red
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// @param cacheKey
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// @param tallyCache
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// @return error
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func ContractPushAddCache(red *redis.Client, cacheKey string, tallyCache *ContractTallyCache) error {
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content, err := json.Marshal(tallyCache)
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if err != nil {
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return err
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}
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if err = red.HSet(context.Background(), cacheKey, tallyCache.OrderId, string(content)).Err(); err != nil {
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return err
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}
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return nil
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}
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// ContractHashSetOrderId
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//
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// @Description: 录入订单ID-Hash缓存列表
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// @param red
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// @param cacheKey
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// @param order
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// @return error
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func ContractHashSetOrderId(red *redis.Client, cacheKey string, order *ContractTallyCache) error {
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byteStr, err := json.Marshal(order)
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if err != nil {
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applogger.Error("%v ContractHashSetOrderId.Marshal:%v", common.ErrContract, err)
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return err
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}
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err = red.HSet(context.Background(), cacheKey, order.OrderId, string(byteStr)).Err()
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if err != nil {
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applogger.Error("%v ContractHashSetOrderId.HSet:%v", common.ErrContract, err)
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return err
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}
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return nil
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}
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