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Improve logging #50

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merged 2 commits into from
Nov 6, 2023
Merged

Improve logging #50

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b8fcce6
Improve logging
evgeniy-scherbina Oct 31, 2023
e77ce80
Merge branch 'main' into yevhenii/cache
evgeniy-scherbina Nov 6, 2023
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12 changes: 12 additions & 0 deletions service/middleware.go
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Original file line number Diff line number Diff line change
Expand Up @@ -157,10 +157,22 @@ func createProxyRequestMiddleware(next http.Handler, config config.Config, servi
req := r.Context().Value(DecodedRequestContextKey)
decodedReq, ok := (req).(*decode.EVMRPCRequestEnvelope)
if !ok {
var bodyCopy bytes.Buffer
tee := io.TeeReader(r.Body, &bodyCopy)
// read all body from reader into bodyBytes, and copy into bodyCopy
bodyBytes, err := io.ReadAll(tee)
if err != nil {
serviceLogger.Error().Err(err).Msg("can't read lrw.body")
}

// replace empty body reader with fresh copy
r.Body = io.NopCloser(&bodyCopy)

serviceLogger.Logger.Error().
Str("method", r.Method).
Str("url", r.URL.String()).
Str("host", r.Host).
Str("body", string(bodyBytes)).
Msg("can't cast request to *EVMRPCRequestEnvelope type")

// if we can't get decoded request then assign it empty structure to avoid panics
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