frostfs-sdk-go/owner/test/id.go

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package ownertest
import (
"crypto/sha256"
"math/rand"
"github.com/nspcc-dev/neofs-api-go/v2/refs"
"github.com/nspcc-dev/neofs-sdk-go/owner"
)
// ID returns owner.ID calculated
// from a random owner.NEO3Wallet.
func ID() *owner.ID {
u := make([]byte, owner.NEO3WalletSize)
u[0] = 0x35
rand.Read(u[1:21])
h1 := sha256.Sum256(u[:21])
h2 := sha256.Sum256(h1[:])
copy(u[21:], h2[:4])
return IDFromBytes(u)
}
// IDFromBytes returns owner.ID generated
// from a passed byte slice.
func IDFromBytes(val []byte) *owner.ID {
idV2 := new(refs.OwnerID)
idV2.SetValue(val)
return owner.NewIDFromV2(idV2)
}