prysm-pulse/beacon-chain/db/kv/checkpoint_test.go
terence tsao b954db9704
Revert "Update fastssz" (#7100)
* Revert "Update fastssz (#6760)"

This reverts commit 78a25f99c3.
* Merge refs/heads/master into revert-6760-update-fssz
2020-08-24 20:06:28 +00:00

101 lines
2.9 KiB
Go

package kv
import (
"context"
"testing"
"github.com/gogo/protobuf/proto"
ethpb "github.com/prysmaticlabs/ethereumapis/eth/v1alpha1"
"github.com/prysmaticlabs/prysm/beacon-chain/state/stateutil"
"github.com/prysmaticlabs/prysm/shared/bytesutil"
"github.com/prysmaticlabs/prysm/shared/params"
"github.com/prysmaticlabs/prysm/shared/testutil"
"github.com/prysmaticlabs/prysm/shared/testutil/assert"
"github.com/prysmaticlabs/prysm/shared/testutil/require"
)
func TestStore_JustifiedCheckpoint_CanSaveRetrieve(t *testing.T) {
db := setupDB(t)
ctx := context.Background()
root := bytesutil.ToBytes32([]byte{'A'})
cp := &ethpb.Checkpoint{
Epoch: 10,
Root: root[:],
}
st := testutil.NewBeaconState()
require.NoError(t, st.SetSlot(1))
require.NoError(t, db.SaveState(ctx, st, root))
require.NoError(t, db.SaveJustifiedCheckpoint(ctx, cp))
retrieved, err := db.JustifiedCheckpoint(ctx)
require.NoError(t, err)
assert.Equal(t, true, proto.Equal(cp, retrieved), "Wanted %v, received %v", cp, retrieved)
}
func TestStore_FinalizedCheckpoint_CanSaveRetrieve(t *testing.T) {
db := setupDB(t)
ctx := context.Background()
genesis := bytesutil.ToBytes32([]byte{'G', 'E', 'N', 'E', 'S', 'I', 'S'})
require.NoError(t, db.SaveGenesisBlockRoot(ctx, genesis))
blk := &ethpb.SignedBeaconBlock{
Block: &ethpb.BeaconBlock{
ParentRoot: genesis[:],
Slot: 40,
},
}
root, err := stateutil.BlockRoot(blk.Block)
require.NoError(t, err)
cp := &ethpb.Checkpoint{
Epoch: 5,
Root: root[:],
}
// a valid chain is required to save finalized checkpoint.
require.NoError(t, db.SaveBlock(ctx, blk))
st := testutil.NewBeaconState()
require.NoError(t, st.SetSlot(1))
// a state is required to save checkpoint
require.NoError(t, db.SaveState(ctx, st, root))
require.NoError(t, db.SaveFinalizedCheckpoint(ctx, cp))
retrieved, err := db.FinalizedCheckpoint(ctx)
require.NoError(t, err)
assert.Equal(t, true, proto.Equal(cp, retrieved), "Wanted %v, received %v", cp, retrieved)
}
func TestStore_JustifiedCheckpoint_DefaultIsZeroHash(t *testing.T) {
db := setupDB(t)
ctx := context.Background()
cp := &ethpb.Checkpoint{Root: params.BeaconConfig().ZeroHash[:]}
retrieved, err := db.JustifiedCheckpoint(ctx)
require.NoError(t, err)
assert.Equal(t, true, proto.Equal(cp, retrieved), "Wanted %v, received %v", cp, retrieved)
}
func TestStore_FinalizedCheckpoint_DefaultIsZeroHash(t *testing.T) {
db := setupDB(t)
ctx := context.Background()
cp := &ethpb.Checkpoint{Root: params.BeaconConfig().ZeroHash[:]}
retrieved, err := db.FinalizedCheckpoint(ctx)
require.NoError(t, err)
assert.Equal(t, true, proto.Equal(cp, retrieved), "Wanted %v, received %v", cp, retrieved)
}
func TestStore_FinalizedCheckpoint_StateMustExist(t *testing.T) {
db := setupDB(t)
ctx := context.Background()
cp := &ethpb.Checkpoint{
Epoch: 5,
Root: []byte{'B'},
}
require.ErrorContains(t, errMissingStateForCheckpoint.Error(), db.SaveFinalizedCheckpoint(ctx, cp))
}