1 files changed, 0 insertions, 82 deletions
diff --git a/txnsync/sent_filter.go b/txnsync/sent_filter.go
deleted file mode 100644
index 603a73a12..000000000
--- a/txnsync/sent_filter.go
+++ /dev/null
@@ -1,82 +0,0 @@
-// Copyright (C) 2019-2021 Algorand, Inc.
-// This file is part of go-algorand
-//
-// go-algorand is free software: you can redistribute it and/or modify
-// it under the terms of the GNU Affero General Public License as
-// published by the Free Software Foundation, either version 3 of the
-// License, or (at your option) any later version.
-//
-// go-algorand is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-// GNU Affero General Public License for more details.
-//
-// You should have received a copy of the GNU Affero General Public License
-// along with go-algorand.  If not, see <https://www.gnu.org/licenses/>.
-
-package txnsync
-
-import (
-	"github.com/algorand/go-algorand/data/basics"
-)
-
-//msgp:ignore sentFilterStat
-type sentFilterStat struct {
-	// .Modulator .Offset
-	EncodingParams requestParams
-
-	// lastCounter is the group counter of the last txn group included in a sent filter
-	lastCounter uint64
-
-	round basics.Round
-}
-
-// sentFilters is the set of filter stats for one peer to another peer.
-// There should be at most one entry per (Modulator,Offset)
-//msgp:ignore sentFilters
-type sentFilters []sentFilterStat
-
-const maxSentFilterSet = 10
-
-func (sf *sentFilters) setSentFilter(filter bloomFilter, round basics.Round) {
-	encodingParams := filter.encoded.EncodingParams
-	for i, sfs := range *sf {
-		if sfs.EncodingParams == encodingParams {
-			(*sf)[i].lastCounter = filter.containedTxnsRange.lastCounter
-			(*sf)[i].round = round
-			return
-		}
-	}
-	nsf := sentFilterStat{
-		EncodingParams: encodingParams,
-		lastCounter:    filter.containedTxnsRange.lastCounter,
-		round:          round,
-	}
-	*sf = append(*sf, nsf)
-	// trim oldest content if we're too long
-	for len(*sf) > maxSentFilterSet {
-		oldestRound := round
-		popCandidate := -1
-		for i, sfs := range *sf {
-			if sfs.round < oldestRound {
-				oldestRound = sfs.round
-				popCandidate = i
-			}
-		}
-		if popCandidate >= 0 {
-			last := len(*sf) - 1
-			(*sf)[popCandidate] = (*sf)[last]
-			*sf = (*sf)[:last]
-			break
-		}
-	}
-}
-
-func (sf *sentFilters) nextFilterGroup(encodingParams requestParams) (lastCounter uint64, round basics.Round) {
-	for _, sfs := range *sf {
-		if sfs.EncodingParams == encodingParams {
-			return sfs.lastCounter + 1, sfs.round
-		}
-	}
-	return 0, 0 // include everything since the start
-}