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add crypto/symbols refdata endpoint (#392)

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This commit is contained in:
Dominic Wong
2022-02-28 17:50:26 +00:00
committed by GitHub
parent ee0746bac6
commit 3be782ebce
6 changed files with 349 additions and 47 deletions
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69
crypto/handler/crypto.go
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@@ -131,12 +131,12 @@ func (c *Crypto) News(ctx context.Context, req *pb.NewsRequest, rsp *pb.NewsResp
return nil
}
func (s *Crypto) History(ctx context.Context, req *pb.HistoryRequest, rsp *pb.HistoryResponse) error {
func (c *Crypto) History(ctx context.Context, req *pb.HistoryRequest, rsp *pb.HistoryResponse) error {
if len(req.Symbol) <= 0 {
return errors.BadRequest("crypto.history", "invalid symbol")
}
uri := fmt.Sprintf("%sagg/crypto/prev-close/%s?apikey=%s", s.Api, req.Symbol, s.Key)
uri := fmt.Sprintf("%sagg/crypto/prev-close/%s?apikey=%s", c.Api, req.Symbol, c.Key)
resp, err := http.Get(uri)
if err != nil {
@@ -174,12 +174,12 @@ func (s *Crypto) History(ctx context.Context, req *pb.HistoryRequest, rsp *pb.Hi
return nil
}
func (s *Crypto) Quote(ctx context.Context, req *pb.QuoteRequest, rsp *pb.QuoteResponse) error {
func (c *Crypto) Quote(ctx context.Context, req *pb.QuoteRequest, rsp *pb.QuoteResponse) error {
if len(req.Symbol) <= 0 {
return errors.BadRequest("crypto.quote", "invalid symbol")
}
uri := fmt.Sprintf("%slast/quote/crypto/%s?apikey=%s", s.Api, req.Symbol, s.Key)
uri := fmt.Sprintf("%slast/quote/crypto/%s?apikey=%s", c.Api, req.Symbol, c.Key)
resp, err := http.Get(uri)
if err != nil {
@@ -212,12 +212,12 @@ func (s *Crypto) Quote(ctx context.Context, req *pb.QuoteRequest, rsp *pb.QuoteR
return nil
}
func (s *Crypto) Price(ctx context.Context, req *pb.PriceRequest, rsp *pb.PriceResponse) error {
func (c *Crypto) Price(ctx context.Context, req *pb.PriceRequest, rsp *pb.PriceResponse) error {
if len(req.Symbol) <= 0 {
return errors.BadRequest("crypto.price", "invalid symbol")
}
uri := fmt.Sprintf("%slast/crypto/%s?apikey=%s", s.Api, req.Symbol, s.Key)
uri := fmt.Sprintf("%slast/crypto/%s?apikey=%s", c.Api, req.Symbol, c.Key)
resp, err := http.Get(uri)
if err != nil {
@@ -245,3 +245,60 @@ func (s *Crypto) Price(ctx context.Context, req *pb.PriceRequest, rsp *pb.PriceR
return nil
}
func (c *Crypto) Symbols(ctx context.Context, req *pb.SymbolsRequest, rsp *pb.SymbolsResponse) error {
cached, ok := c.Cache.Get("symbolsCache")
if ok {
rsp.Symbols, _ = cached.([]*pb.Symbol)
return nil
}
toCache := []*pb.Symbol{}
page := 1
for {
var symbolsRsp struct {
Page int32 `json:"page"`
TotalPage int32 `json:"totalPage"`
Symbols []struct {
Symbol string `json:"symbol"`
Name string `json:"name"`
} `json:"symbols"`
}
uri := fmt.Sprintf("%ssymbol-list/crypto?page=%d&apikey=%s", c.Api, page, c.Key)
resp, err := http.Get(uri)
if err != nil {
logger.Errorf("Failed to get price: %v\n", err)
return errors.InternalServerError("crypto.trade", "failed to get price")
}
defer resp.Body.Close()
b, _ := ioutil.ReadAll(resp.Body)
if resp.StatusCode != 200 {
logger.Errorf("Failed to load symbol list (non 200): %d %v\n", resp.StatusCode, string(b))
return errors.InternalServerError("crypto.symbols", "failed to get symbols")
}
if err := json.Unmarshal(b, &symbolsRsp); err != nil {
logger.Errorf("Error unmarshalling cyrpto symbols: %v\n", err)
return errors.InternalServerError("crypto.symbols", "failed to get symbols")
}
for _, v := range symbolsRsp.Symbols {
toCache = append(toCache, &pb.Symbol{
Symbol: v.Symbol,
Name: v.Name,
})
}
if symbolsRsp.Page == symbolsRsp.TotalPage {
break
}
page++
}
c.Cache.Set("symbolsCache", toCache, 24*time.Hour)
rsp.Symbols = toCache
return nil
}