Remove deadcode (#3086)

Author: dhrubabasu

database/helpers.go

@@ -41,10 +41,6 @@ func GetID(db KeyValueReader, key []byte) (ids.ID, error) {
 	return ids.ToID(b)
 }
 
-func ParseID(b []byte) (ids.ID, error) {
-	return ids.ToID(b)
-}
-
 func PutUInt64(db KeyValueWriter, key []byte, val uint64) error {
 	b := PackUInt64(val)
 	return db.Put(key, b)
@@ -163,13 +159,6 @@ func Size(db Iteratee) (int, error) {
 	return size, iterator.Error()
 }
 
-func IsEmpty(db Iteratee) (bool, error) {
-	iterator := db.NewIterator()
-	defer iterator.Release()
-
-	return !iterator.Next(), iterator.Error()
-}
-
 func AtomicClear(readerDB Iteratee, deleterDB KeyValueDeleter) error {
 	return AtomicClearPrefix(readerDB, deleterDB, nil)
 }

network/p2p/gossip/gossip.go

@@ -42,7 +42,6 @@ var (
 	_ Gossiper = (*PullGossiper[*testTx])(nil)
 	_ Gossiper = (*NoOpGossiper)(nil)
 
-	_ Set[*testTx] = (*EmptySet[*testTx])(nil)
 	_ Set[*testTx] = (*FullSet[*testTx])(nil)
 
 	ioTypeLabels   = []string{ioLabel, typeLabel}
@@ -77,8 +76,6 @@ var (
 	ErrInvalidDiscardedSize     = errors.New("discarded size cannot be negative")
 	ErrInvalidTargetGossipSize  = errors.New("target gossip size cannot be negative")
 	ErrInvalidRegossipFrequency = errors.New("re-gossip frequency cannot be negative")
-
-	errEmptySetCantAdd = errors.New("empty set can not add")
 )
 
 // Gossiper gossips Gossipables to other nodes
@@ -603,26 +600,6 @@ func (t *TestGossiper) Gossip(ctx context.Context) error {
 	return t.GossipF(ctx)
 }
 
-type EmptySet[T Gossipable] struct{}
-
-func (EmptySet[_]) Gossip(context.Context) error {
-	return nil
-}
-
-func (EmptySet[T]) Add(T) error {
-	return errEmptySetCantAdd
-}
-
-func (EmptySet[T]) Has(ids.ID) bool {
-	return false
-}
-
-func (EmptySet[T]) Iterate(func(gossipable T) bool) {}
-
-func (EmptySet[_]) GetFilter() ([]byte, []byte) {
-	return bloom.EmptyFilter.Marshal(), ids.Empty[:]
-}
-
 type FullSet[T Gossipable] struct{}
 
 func (FullSet[_]) Gossip(context.Context) error {

utils/hashing/hashing.go

@@ -38,22 +38,6 @@ func ComputeHash256(buf []byte) []byte {
 	return arr[:]
 }
 
-// ComputeHash256Ranges computes a cryptographically strong 256 bit hash of the input
-// byte slice in the ranges specified.
-// Example:
-// ComputeHash256Ranges({1, 2, 4, 8, 16}, {{1, 2}, {3, 5}}) is equivalent to
-// ComputeHash256({2, 8, 16}).
-func ComputeHash256Ranges(buf []byte, ranges [][2]int) []byte {
-	hashBuilder := sha256.New()
-	for _, r := range ranges {
-		_, err := hashBuilder.Write(buf[r[0]:r[1]])
-		if err != nil {
-			panic(err)
-		}
-	}
-	return hashBuilder.Sum(nil)
-}
-
 // ComputeHash160Array computes a cryptographically strong 160 bit hash of the
 // input byte slice.
 func ComputeHash160Array(buf []byte) Hash160 {

vms/rpcchainvm/grpcutils/util.go

@@ -17,13 +17,6 @@ import (
 	tspb "google.golang.org/protobuf/types/known/timestamppb"
 )
 
-func Errorf(code int, tmpl string, args ...interface{}) error {
-	return GetGRPCErrorFromHTTPResponse(&httppb.HandleSimpleHTTPResponse{
-		Code: int32(code),
-		Body: []byte(fmt.Sprintf(tmpl, args...)),
-	})
-}
-
 // GetGRPCErrorFromHTTPResponse takes an HandleSimpleHTTPResponse as input and returns a gRPC error.
 func GetGRPCErrorFromHTTPResponse(resp *httppb.HandleSimpleHTTPResponse) error {
 	a, err := anypb.New(resp)