prysm-pulse/shared/hashutil/hash_test.go
Raul Jordan ed1c440e0d
Hash Proto Helper Function (#1414)
* hashproto

* fix hash proto

* lint
2019-01-28 17:08:27 +01:00

59 lines
1.7 KiB
Go

package hashutil_test
import (
"encoding/hex"
"testing"
pb "github.com/prysmaticlabs/prysm/proto/beacon/p2p/v1"
bytesutil "github.com/prysmaticlabs/prysm/shared/bytes"
"github.com/prysmaticlabs/prysm/shared/hashutil"
)
func TestHash(t *testing.T) {
hashOf0 := [32]byte{188, 54, 120, 158, 122, 30, 40, 20, 54, 70, 66, 41, 130, 143, 129, 125, 102, 18, 247, 180, 119, 214, 101, 145, 255, 150, 169, 224, 100, 188, 201, 138}
hash := hashutil.Hash([]byte{0})
if hash != hashOf0 {
t.Fatalf("expected hash and computed hash are not equal %d, %d", hash, hashOf0)
}
hashOf1 := [32]byte{95, 231, 249, 119, 231, 29, 186, 46, 161, 166, 142, 33, 5, 123, 238, 187, 155, 226, 172, 48, 198, 65, 10, 163, 141, 79, 63, 190, 65, 220, 255, 210}
hash = hashutil.Hash([]byte{1})
if hash != hashOf1 {
t.Fatalf("expected hash and computed hash are not equal %d, %d", hash, hashOf1)
}
// Same hashing test from go-ethereum for keccak256
hashOfabc, _ := hex.DecodeString("4e03657aea45a94fc7d47ba826c8d667c0d1e6e33a64a036ec44f58fa12d6c45")
hash = hashutil.Hash([]byte("abc"))
h := bytesutil.ToBytes32(hashOfabc)
if hash != h {
t.Fatalf("expected hash and computed hash are not equal %d, %d", hash, h)
}
if hashOf0 == hashOf1 {
t.Fatalf("expected hash and computed hash are equal %d, %d", hash, hashOf1)
}
}
func TestHashProto(t *testing.T) {
msg1 := &pb.BeaconState{
Slot: 5,
}
msg2 := &pb.BeaconState{
Slot: 5,
}
h1, err := hashutil.HashProto(msg1)
if err != nil {
t.Fatalf("Could not hash proto message: %v", err)
}
h2, err := hashutil.HashProto(msg2)
if err != nil {
t.Fatalf("Could not hash proto message: %v", err)
}
if h1 != h2 {
t.Errorf("Expected hashes to equal, received %#x == %#x", h1, h2)
}
}