feat(bitswap) loop over all provided keys

License: MIT
Signed-off-by: Brian Tiger Chow <brian@perfmode.com>

exchange/bitswap/bitswap.go

@@ -182,20 +182,14 @@ func (bs *bitswap) run(ctx context.Context) {
 				}
 			}
 		case ks := <-bs.batchRequests:
-			// TODO: implement batching on len(ks) > X for some X
-			if len(ks) == 0 {
-				log.Warning("Received batch request for zero blocks")
-				continue
-			}
 			for _, k := range ks {
 				bs.wantlist.Add(k)
-			}
-			providers := bs.routing.FindProvidersAsync(ctx, ks[0], maxProvidersPerRequest)
-
+				providers := bs.routing.FindProvidersAsync(ctx, k, maxProvidersPerRequest)
 				err := bs.sendWantListTo(ctx, providers)
 				if err != nil {
 					log.Errorf("error sending wantlist: %s", err)
 				}
+			}
 		case <-ctx.Done():
 			return
 		}