diff --git a/common/range.go b/common/range.go
new file mode 100644
index 0000000000..ca7af1b56d
--- /dev/null
+++ b/common/range.go
@@ -0,0 +1,116 @@
+// Copyright 2025 The go-ethereum Authors
+// This file is part of the go-ethereum library.
+//
+// The go-ethereum library is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// The go-ethereum library 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 Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with the go-ethereum library. If not, see .
+
+package common
+
+import (
+ "io"
+ "iter"
+
+ "github.com/ethereum/go-ethereum/rlp"
+)
+
+// Range represents a range of integers.
+type Range[T uint32 | uint64] struct {
+ first, afterLast T
+}
+
+func NewRange[T uint32 | uint64](first, count T) Range[T] {
+ return Range[T]{first, first + count}
+}
+
+func (r *Range[T]) EncodeRLP(w io.Writer) error {
+ if err := rlp.Encode(w, &r.first); err != nil {
+ return err
+ }
+ return rlp.Encode(w, &r.afterLast)
+}
+
+func (r *Range[T]) DecodeRLP(s *rlp.Stream) error {
+ if err := s.Decode(&r.first); err != nil {
+ return err
+ }
+ return s.Decode(&r.afterLast)
+}
+
+func (r Range[T]) First() T {
+ return r.first
+}
+
+func (r Range[T]) Last() T {
+ if r.first == r.afterLast {
+ panic("last item of zero length range is not allowed")
+ }
+ return r.afterLast - 1
+}
+
+func (r Range[T]) AfterLast() T {
+ return r.afterLast
+}
+
+func (r Range[T]) Count() T {
+ return r.afterLast - r.first
+}
+
+func (r Range[T]) IsEmpty() bool {
+ return r.first == r.afterLast
+}
+
+func (r Range[T]) Includes(v T) bool {
+ return v >= r.first && v < r.afterLast
+}
+
+func (r *Range[T]) SetFirst(v T) {
+ r.first = v
+ if r.afterLast < r.first {
+ r.afterLast = r.first
+ }
+}
+
+func (r *Range[T]) SetAfterLast(v T) {
+ r.afterLast = v
+ if r.afterLast < r.first {
+ r.first = r.afterLast
+ }
+}
+
+func (r *Range[T]) SetLast(v T) {
+ r.SetAfterLast(v + 1)
+}
+
+func (r Range[T]) Intersection(q Range[T]) Range[T] {
+ if r.first > q.first {
+ q.first = r.first
+ }
+ if r.afterLast < q.afterLast {
+ q.afterLast = r.afterLast
+ }
+ if q.first > q.afterLast {
+ return Range[T]{}
+ }
+ return q
+}
+
+// Iter iterates all integers in the range.
+func (r Range[T]) Iter() iter.Seq[T] {
+ return func(yield func(T) bool) {
+ for i := r.first; i < r.afterLast; i++ {
+ if !yield(i) {
+ break
+ }
+ }
+ }
+}
diff --git a/common/range_test.go b/common/range_test.go
new file mode 100644
index 0000000000..656b104b6b
--- /dev/null
+++ b/common/range_test.go
@@ -0,0 +1,42 @@
+// Copyright 2025 The go-ethereum Authors
+// This file is part of the go-ethereum library.
+//
+// The go-ethereum library is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// The go-ethereum library 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 Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with the go-ethereum library. If not, see .
+
+package common
+
+import (
+ "slices"
+ "testing"
+)
+
+func TestRangeIter(t *testing.T) {
+ var values []uint32
+ r := NewRange[uint32](1, 7)
+ for i := range r.Iter() {
+ values = append(values, i)
+ }
+ if !slices.Equal(values, []uint32{1, 2, 3, 4, 5, 6, 7}) {
+ t.Fatalf("wrong iter values: %v", values)
+ }
+
+ values = nil
+ empty := NewRange[uint32](1, 0)
+ for i := range empty.Iter() {
+ values = append(values, i)
+ }
+ if !slices.Equal(values, []uint32{}) {
+ t.Fatalf("wrong iter values: %v", values)
+ }
+}
diff --git a/common/types.go b/common/types.go
index 89a559ef19..fdb25f1b34 100644
--- a/common/types.go
+++ b/common/types.go
@@ -23,7 +23,6 @@ import (
"encoding/json"
"errors"
"fmt"
- "io"
"math/big"
"math/rand"
"reflect"
@@ -31,7 +30,6 @@ import (
"strings"
"github.com/ethereum/go-ethereum/common/hexutil"
- "github.com/ethereum/go-ethereum/rlp"
"golang.org/x/crypto/sha3"
)
@@ -488,83 +486,3 @@ func (b PrettyBytes) TerminalString() string {
}
return fmt.Sprintf("%#x...%x (%dB)", b[:3], b[len(b)-3:], len(b))
}
-
-type Range[T uint32 | uint64] struct {
- first, afterLast T
-}
-
-func NewRange[T uint32 | uint64](first, count T) Range[T] {
- return Range[T]{first, first + count}
-}
-
-func (r *Range[T]) EncodeRLP(w io.Writer) error {
- if err := rlp.Encode(w, &r.first); err != nil {
- return err
- }
- return rlp.Encode(w, &r.afterLast)
-}
-
-func (r *Range[T]) DecodeRLP(s *rlp.Stream) error {
- if err := s.Decode(&r.first); err != nil {
- return err
- }
- return s.Decode(&r.afterLast)
-}
-
-func (r Range[T]) First() T {
- return r.first
-}
-
-func (r Range[T]) Last() T {
- if r.first == r.afterLast {
- panic("last item of zero length range is not allowed")
- }
- return r.afterLast - 1
-}
-
-func (r Range[T]) AfterLast() T {
- return r.afterLast
-}
-
-func (r Range[T]) Count() T {
- return r.afterLast - r.first
-}
-
-func (r Range[T]) IsEmpty() bool {
- return r.first == r.afterLast
-}
-
-func (r Range[T]) Includes(v T) bool {
- return v >= r.first && v < r.afterLast
-}
-
-func (r *Range[T]) SetFirst(v T) {
- r.first = v
- if r.afterLast < r.first {
- r.afterLast = r.first
- }
-}
-
-func (r *Range[T]) SetAfterLast(v T) {
- r.afterLast = v
- if r.afterLast < r.first {
- r.first = r.afterLast
- }
-}
-
-func (r *Range[T]) SetLast(v T) {
- r.SetAfterLast(v + 1)
-}
-
-func (r Range[T]) Intersection(q Range[T]) Range[T] {
- if r.first > q.first {
- q.first = r.first
- }
- if r.afterLast < q.afterLast {
- q.afterLast = r.afterLast
- }
- if q.first > q.afterLast {
- return Range[T]{}
- }
- return q
-}