Revert "eth: send big transactions by announce/retrieve only (ethereu…

…m#27618)"

This reverts commit 60f1927.

eth/handler.go

@@ -45,11 +45,6 @@ const (
 	// txChanSize is the size of channel listening to NewTxsEvent.
 	// The number is referenced from the size of tx pool.
 	txChanSize = 4096
-
-	// txMaxBroadcastSize is the max size of a transaction that will be broadcasted.
-	// All transactions with a higher size will be announced and need to be fetched
-	// by the peer.
-	txMaxBroadcastSize = 4096
 )
 
 var (
@@ -569,12 +564,8 @@ func (h *handler) BroadcastTransactions(txs types.Transactions) {
 	// Broadcast transactions to a batch of peers not knowing about it
 	for _, tx := range txs {
 		peers := h.peers.peersWithoutTransaction(tx.Hash())
-
-		var numDirect int
-		if tx.Size() <= txMaxBroadcastSize {
-			numDirect = int(math.Sqrt(float64(len(peers))))
-		}
 		// Send the tx unconditionally to a subset of our peers
+		numDirect := int(math.Sqrt(float64(len(peers))))
 		for _, peer := range peers[:numDirect] {
 			txset[peer] = append(txset[peer], tx.Hash())
 		}