This can be optimized by sending one request to endorsers that have multiple key...

[todo]

fabric-peer-ext/pkg/collections/transientdata/retriever/transientdataretriever.go

Lines 132 to 137 in 08d7352

	// TODO: This can be optimized by sending one request to endorsers that have multiple keys, as opposed to one request per key.
	responses := make(map[string]*valueResp)
	for _, k := range key.Keys {
	go func(key *storeapi.Key) {
	cctxt, cancel := context.WithCancel(ctxt)
	defer cancel()

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This issue was generated by todo based on a TODO comment in 08d7352 when #102 was merged. cc @bstasyszyn.