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https://github.com/nspcc-dev/neo-go.git
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41 lines
806 B
Go
41 lines
806 B
Go
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package core
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import (
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"math/rand"
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"time"
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"github.com/CityOfZion/neo-go/pkg/crypto/hash"
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"github.com/CityOfZion/neo-go/pkg/util"
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)
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// RandomString returns a random string with the n as its length.
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func randomString(n int) string {
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b := make([]byte, n)
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for i := range b {
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b[i] = byte(randomInt(65, 90))
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}
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return string(b)
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}
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// RandomInt returns a random integer between min and max.
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func randomInt(min, max int) int {
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return min + rand.Intn(max-min)
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}
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// RandomUint256 returns a random Uint256.
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func randomUint256() util.Uint256 {
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str := randomString(20)
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return hash.Sha256([]byte(str))
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}
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// RandomUint160 returns a random Uint160.
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func randomUint160() util.Uint160 {
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str := randomString(20)
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return hash.RipeMD160([]byte(str))
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}
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func init() {
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rand.Seed(time.Now().UTC().UnixNano())
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}
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