status-go/vendor/github.com/btcsuite/btcutil/hash160.go

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// Copyright (c) 2013-2014 The btcsuite developers
// Use of this source code is governed by an ISC
// license that can be found in the LICENSE file.
package btcutil
import (
"hash"
"github.com/btcsuite/fastsha256"
"github.com/btcsuite/golangcrypto/ripemd160"
)
// 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(sha256(b)).
func Hash160(buf []byte) []byte {
return calcHash(calcHash(buf, fastsha256.New()), ripemd160.New())
}