lotus/node/modules/testing.go

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package modules
import (
"crypto/rand"
"io"
"io/ioutil"
"github.com/libp2p/go-libp2p-core/peer"
mh "github.com/multiformats/go-multihash"
)
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// RandomPeerID generates random peer id
func RandomPeerID() (peer.ID, error) {
b, err := ioutil.ReadAll(io.LimitReader(rand.Reader, 32))
if err != nil {
return "", err
}
hash, err := mh.Sum(b, mh.SHA2_256, -1)
if err != nil {
return "", err
}
return peer.ID(hash), nil
}