prysm-pulse/beacon-chain/blockchain/head_test.go

83 lines
2.0 KiB
Go
Raw Normal View History

package blockchain
import (
"bytes"
"context"
"reflect"
"testing"
ethpb "github.com/prysmaticlabs/ethereumapis/eth/v1alpha1"
"github.com/prysmaticlabs/go-ssz"
testDB "github.com/prysmaticlabs/prysm/beacon-chain/db/testing"
"github.com/prysmaticlabs/prysm/beacon-chain/state"
pb "github.com/prysmaticlabs/prysm/proto/beacon/p2p/v1"
)
func TestSaveHead_Same(t *testing.T) {
db := testDB.SetupDB(t)
defer testDB.TeardownDB(t, db)
service := setupBeaconChain(t, db)
r := [32]byte{'A'}
service.head = &head{slot: 0, root: r}
if err := service.saveHead(context.Background(), r); err != nil {
t.Fatal(err)
}
if service.headSlot() != 0 {
t.Error("Head did not stay the same")
}
if service.headRoot() != r {
t.Error("Head did not stay the same")
}
}
func TestSaveHead_Different(t *testing.T) {
db := testDB.SetupDB(t)
defer testDB.TeardownDB(t, db)
service := setupBeaconChain(t, db)
oldRoot := [32]byte{'A'}
service.head = &head{slot: 0, root: oldRoot}
newHeadBlock := &ethpb.BeaconBlock{Slot: 1}
newHeadSignedBlock := &ethpb.SignedBeaconBlock{Block: newHeadBlock}
if err := service.beaconDB.SaveBlock(context.Background(), newHeadSignedBlock); err != nil {
t.Fatal(err)
}
newRoot, err := ssz.HashTreeRoot(newHeadBlock)
if err != nil {
t.Fatal(err)
}
headState, err := state.InitializeFromProto(&pb.BeaconState{Slot: 1})
if err != nil {
t.Fatal(err)
}
if err := service.beaconDB.SaveState(context.Background(), headState, newRoot); err != nil {
t.Fatal(err)
}
if err := service.saveHead(context.Background(), newRoot); err != nil {
t.Fatal(err)
}
if service.HeadSlot() != 1 {
t.Error("Head did not change")
}
cachedRoot, err := service.HeadRoot(context.Background())
if err != nil {
t.Fatal(err)
}
if !bytes.Equal(cachedRoot, newRoot[:]) {
t.Error("Head did not change")
}
if !reflect.DeepEqual(service.headBlock(), newHeadSignedBlock) {
t.Error("Head did not change")
}
if !reflect.DeepEqual(service.headState().CloneInnerState(), headState.CloneInnerState()) {
t.Error("Head did not change")
}
}