Example #1
0
func NewCoin(index int64, value coinutil.Amount, numConfs int64) coinset.Coin {
	h := fastsha256.New()
	h.Write([]byte(fmt.Sprintf("%d", index)))
	hash, _ := wire.NewShaHash(h.Sum(nil))
	c := &TestCoin{
		TxHash:     hash,
		TxIndex:    0,
		TxValue:    value,
		TxNumConfs: numConfs,
	}
	return coinset.Coin(c)
}
Example #2
0
// outBailmentIDHash returns a byte slice which is used when sorting
// OutputRequests.
func (r OutputRequest) outBailmentIDHash() []byte {
	if r.cachedHash != nil {
		return r.cachedHash
	}
	str := r.Server + strconv.Itoa(int(r.Transaction))
	hasher := fastsha256.New()
	// hasher.Write() always returns nil as the error, so it's safe to ignore it here.
	_, _ = hasher.Write([]byte(str))
	id := hasher.Sum(nil)
	r.cachedHash = id
	return id
}
Example #3
0
// Hash160 calculates the hash ripemd160(sha256(b)).
func Hash160(buf []byte) []byte {
	return calcHash(calcHash(buf, fastsha256.New()), ripemd160.New())
}