github.com/prysmaticlabs/prysm@v1.4.4/beacon-chain/rpc/prysm/v1alpha1/debug/state_test.go (about)

     1  package debug
     2  
     3  import (
     4  	"context"
     5  	"testing"
     6  
     7  	types "github.com/prysmaticlabs/eth2-types"
     8  	mock "github.com/prysmaticlabs/prysm/beacon-chain/blockchain/testing"
     9  	dbTest "github.com/prysmaticlabs/prysm/beacon-chain/db/testing"
    10  	"github.com/prysmaticlabs/prysm/beacon-chain/state/stategen"
    11  	pbrpc "github.com/prysmaticlabs/prysm/proto/beacon/rpc/v1"
    12  	"github.com/prysmaticlabs/prysm/proto/eth/v1alpha1/wrapper"
    13  	"github.com/prysmaticlabs/prysm/shared/testutil"
    14  	"github.com/prysmaticlabs/prysm/shared/testutil/assert"
    15  	"github.com/prysmaticlabs/prysm/shared/testutil/require"
    16  )
    17  
    18  func TestServer_GetBeaconState(t *testing.T) {
    19  	db := dbTest.SetupDB(t)
    20  	ctx := context.Background()
    21  	st, err := testutil.NewBeaconState()
    22  	require.NoError(t, err)
    23  	slot := types.Slot(100)
    24  	require.NoError(t, st.SetSlot(slot))
    25  	b := testutil.NewBeaconBlock()
    26  	b.Block.Slot = slot
    27  	require.NoError(t, db.SaveBlock(ctx, wrapper.WrappedPhase0SignedBeaconBlock(b)))
    28  	gRoot, err := b.Block.HashTreeRoot()
    29  	require.NoError(t, err)
    30  	gen := stategen.New(db)
    31  	require.NoError(t, gen.SaveState(ctx, gRoot, st))
    32  	require.NoError(t, db.SaveState(ctx, st, gRoot))
    33  	bs := &Server{
    34  		StateGen:           gen,
    35  		GenesisTimeFetcher: &mock.ChainService{},
    36  	}
    37  	_, err = bs.GetBeaconState(ctx, &pbrpc.BeaconStateRequest{})
    38  	assert.ErrorContains(t, "Need to specify either a block root or slot to request state", err)
    39  	req := &pbrpc.BeaconStateRequest{
    40  		QueryFilter: &pbrpc.BeaconStateRequest_BlockRoot{
    41  			BlockRoot: gRoot[:],
    42  		},
    43  	}
    44  	res, err := bs.GetBeaconState(ctx, req)
    45  	require.NoError(t, err)
    46  	wanted, err := st.MarshalSSZ()
    47  	require.NoError(t, err)
    48  	assert.DeepEqual(t, wanted, res.Encoded)
    49  	req = &pbrpc.BeaconStateRequest{
    50  		QueryFilter: &pbrpc.BeaconStateRequest_Slot{
    51  			Slot: slot,
    52  		},
    53  	}
    54  	res, err = bs.GetBeaconState(ctx, req)
    55  	require.NoError(t, err)
    56  	assert.DeepEqual(t, wanted, res.Encoded)
    57  }
    58  
    59  func TestServer_GetBeaconState_RequestFutureSlot(t *testing.T) {
    60  	ds := &Server{GenesisTimeFetcher: &mock.ChainService{}}
    61  	req := &pbrpc.BeaconStateRequest{
    62  		QueryFilter: &pbrpc.BeaconStateRequest_Slot{
    63  			Slot: ds.GenesisTimeFetcher.CurrentSlot() + 1,
    64  		},
    65  	}
    66  	wanted := "Cannot retrieve information about a slot in the future"
    67  	_, err := ds.GetBeaconState(context.Background(), req)
    68  	assert.ErrorContains(t, wanted, err)
    69  }