// Copyright (c) 2013-2014 The btcsuite developers

// Copyright (c) 2015 The Decred Developers

// Use of this source code is governed by an ISC

// license that can be found in the LICENSE file.

package main

import (

"hash"

"github.com/btcsuite/golangcrypto/ripemd160"

"github.com/decred/dcraddrgen/chainhash"

)

// Calculate the hash of hasher over buf.

func calcHash(buf []byte, hasher hash.Hash) []byte {

hasher.Write(buf)

return hasher.Sum(nil)

}

// Hash160 calculates the hash ripemd160(hash256(b)).

func Hash160(buf []byte) []byte {

return calcHash(chainhash.HashFuncB(buf), ripemd160.New())

}