6d412b2326
为什么：先把测试与骨架同时落地，让"红灯先行"作为 commit 3 实现的
靶子。骨架函数全部返回零值，所有断言失败但无编译错误也无 panic。
变更：
- ports.go 新增 IndicatorComputer 接口；接收已 fetch 的 slice、
避免与 MarketContextUsecase 重复 IO（G1 + G12）
- internal/usecase/indicator.go：常量、pivotPoint、9 个 helper +
Compute 全部签名就位，实现先返零值
- internal/usecase/indicator_test.go：parsePrice/formatPrice/
percentile/medianFloat/pivot{Highs,Lows}/clusterLevels/
rangeHighLow/longShortCrossings/Compute 全部 table-driven
覆盖（含 V-shape、双顶 0.18%/0.45%、三聚类、N=1/2/20 percentile、
穿越保留 N、malformed 跳过等）
- go.mod 把 stretchr/testify v1.8.1 从 indirect 提升为 direct
65 lines
2.7 KiB
Go
65 lines
2.7 KiB
Go
package usecase
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import (
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"context"
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"cryptoHermes/internal/entity"
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)
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type MarketDataProvider interface {
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GetKlines(ctx context.Context, symbol, interval string, limit int) ([]entity.Kline, error)
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GetKlinesRange(ctx context.Context, symbol, interval string, startMs, endMs int64, limit int) ([]entity.Kline, error)
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GetTicker24h(ctx context.Context, symbol string) (*entity.Ticker24h, error)
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}
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type DerivativesProvider interface {
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GetCurrentFunding(ctx context.Context, symbol string) (*entity.FundingRate, error)
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GetFundingHistory(ctx context.Context, symbol string, limit int) ([]entity.FundingRate, error)
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GetCurrentOpenInterest(ctx context.Context, symbol string) (*entity.OpenInterest, error)
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GetOpenInterestHistory(ctx context.Context, symbol, period string, limit int) ([]entity.OpenInterest, error)
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GetGlobalLongShortRatio(ctx context.Context, symbol, period string, limit int) ([]entity.LongShortRatio, error)
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GetTopTraderPositionRatio(ctx context.Context, symbol, period string, limit int) ([]entity.LongShortRatio, error)
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GetTakerBuySellVolume(ctx context.Context, symbol, period string, limit int) ([]entity.TakerBuySellVolume, error)
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}
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type KlineRepository interface {
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UpsertMany(ctx context.Context, items []entity.Kline) error
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FindRecent(ctx context.Context, symbol, interval string, limit int) ([]entity.Kline, error)
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}
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type FundingRepository interface {
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UpsertMany(ctx context.Context, items []entity.FundingRate) error
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FindRecent(ctx context.Context, symbol string, limit int) ([]entity.FundingRate, error)
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}
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type OpenInterestRepository interface {
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UpsertMany(ctx context.Context, items []entity.OpenInterest) error
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FindRecent(ctx context.Context, symbol, period string, limit int) ([]entity.OpenInterest, error)
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}
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type LongShortRatioRepository interface {
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UpsertMany(ctx context.Context, items []entity.LongShortRatio) error
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FindRecent(ctx context.Context, symbol, period, ratioType string, limit int) ([]entity.LongShortRatio, error)
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}
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type TakerVolumeRepository interface {
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UpsertMany(ctx context.Context, items []entity.TakerBuySellVolume) error
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FindRecent(ctx context.Context, symbol, period string, limit int) ([]entity.TakerBuySellVolume, error)
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}
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// IndicatorComputer 纯函数式接口：接收已经被上层 fetch 的 slice，
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// 返回填充好的 TechnicalStructure。
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//
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// 不持有任何 repo 引用——保住 G1（usecase 不依赖 repo 实现）和
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// G12（indicator 包零 repo 导入）。MarketContextUsecase 已经并发 fetch
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// 过 kline 与 long-short ratio，复用结果即可，二次注入仓库引用会
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// 重复 IO。
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//
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// 实现可见 internal/usecase/indicator.go。
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type IndicatorComputer interface {
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Compute(klines []entity.Kline, longShort []entity.LongShortRatio) entity.TechnicalStructure
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}
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