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// Copyright 2017 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 <http://www.gnu.org/licenses/>.
package storage
import (
"hash"
)
const (
BMTHash = "BMT"
SHA3Hash = "SHA3" // http://golang.org/pkg/hash/#Hash
)
type SwarmHash interface {
hash.Hash
ResetWithLength([]byte)
}
type HashWithLength struct {
hash.Hash
}
func (self *HashWithLength) ResetWithLength(length []byte) {
self.Reset()
self.Write(length)
}
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