prysm-pulse/beacon-chain/rpc/beaconv1/state_test.go
terence tsao 66471c2f13
Beacon API: update GetStateRoot (#8437)
* Address various feedbacks

* Gaz

* More nil check

* Update beacon-chain/rpc/beaconv1/state_test.go

Co-authored-by: Radosław Kapka <rkapka@wp.pl>

* Update beacon-chain/rpc/beaconv1/state_test.go

Co-authored-by: Radosław Kapka <rkapka@wp.pl>

* Update beacon-chain/rpc/beaconv1/state_test.go

Co-authored-by: Radosław Kapka <rkapka@wp.pl>

* Update beacon-chain/rpc/beaconv1/state_test.go

Co-authored-by: Radosław Kapka <rkapka@wp.pl>

* Update beacon-chain/rpc/beaconv1/state_test.go

Co-authored-by: Radosław Kapka <rkapka@wp.pl>

Co-authored-by: Radosław Kapka <rkapka@wp.pl>
2021-02-12 15:38:36 +00:00

275 lines
8.5 KiB
Go

package beaconv1
import (
"context"
"fmt"
"strconv"
"strings"
"testing"
"time"
"github.com/ethereum/go-ethereum/common/hexutil"
ptypes "github.com/gogo/protobuf/types"
ethpb "github.com/prysmaticlabs/ethereumapis/eth/v1"
eth "github.com/prysmaticlabs/ethereumapis/eth/v1alpha1"
chainMock "github.com/prysmaticlabs/prysm/beacon-chain/blockchain/testing"
testDB "github.com/prysmaticlabs/prysm/beacon-chain/db/testing"
pb "github.com/prysmaticlabs/prysm/proto/beacon/p2p/v1"
"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 TestGetGenesis(t *testing.T) {
ctx := context.Background()
params.SetupTestConfigCleanup(t)
config := params.BeaconConfig()
config.GenesisForkVersion = []byte("genesis")
params.OverrideBeaconConfig(config)
genesis := time.Date(2021, 1, 1, 0, 0, 0, 0, time.UTC)
validatorsRoot := [32]byte{1, 2, 3, 4, 5, 6}
t.Run("OK", func(t *testing.T) {
chainService := &chainMock.ChainService{
Genesis: genesis,
ValidatorsRoot: validatorsRoot,
}
s := Server{
GenesisTimeFetcher: chainService,
ChainInfoFetcher: chainService,
}
resp, err := s.GetGenesis(ctx, &ptypes.Empty{})
require.NoError(t, err)
assert.Equal(t, genesis.Unix(), resp.Data.GenesisTime.Seconds)
assert.Equal(t, int32(0), resp.Data.GenesisTime.Nanos)
assert.DeepEqual(t, validatorsRoot[:], resp.Data.GenesisValidatorsRoot)
assert.DeepEqual(t, []byte("genesis"), resp.Data.GenesisForkVersion)
})
t.Run("No genesis time", func(t *testing.T) {
chainService := &chainMock.ChainService{
Genesis: time.Time{},
ValidatorsRoot: validatorsRoot,
}
s := Server{
GenesisTimeFetcher: chainService,
ChainInfoFetcher: chainService,
}
_, err := s.GetGenesis(ctx, &ptypes.Empty{})
assert.ErrorContains(t, "Chain genesis info is not yet known", err)
})
t.Run("No genesis validator root", func(t *testing.T) {
chainService := &chainMock.ChainService{
Genesis: genesis,
ValidatorsRoot: [32]byte{},
}
s := Server{
GenesisTimeFetcher: chainService,
ChainInfoFetcher: chainService,
}
_, err := s.GetGenesis(ctx, &ptypes.Empty{})
assert.ErrorContains(t, "Chain genesis info is not yet known", err)
})
}
func TestGetStateRoot(t *testing.T) {
db := testDB.SetupDB(t)
ctx := context.Background()
t.Run("Head", func(t *testing.T) {
b := testutil.NewBeaconBlock()
b.Block.StateRoot = bytesutil.PadTo([]byte("head"), 32)
s := Server{
ChainInfoFetcher: &chainMock.ChainService{Block: b},
}
resp, err := s.GetStateRoot(ctx, &ethpb.StateRequest{
StateId: []byte("head"),
})
require.NoError(t, err)
assert.DeepEqual(t, bytesutil.PadTo([]byte("head"), 32), resp.Data.StateRoot)
})
t.Run("Genesis", func(t *testing.T) {
b := testutil.NewBeaconBlock()
b.Block.StateRoot = bytesutil.PadTo([]byte("genesis"), 32)
require.NoError(t, db.SaveBlock(ctx, b))
r, err := b.Block.HashTreeRoot()
require.NoError(t, err)
require.NoError(t, db.SaveStateSummary(ctx, &pb.StateSummary{Root: r[:]}))
require.NoError(t, db.SaveGenesisBlockRoot(ctx, r))
s := Server{
BeaconDB: db,
}
resp, err := s.GetStateRoot(ctx, &ethpb.StateRequest{
StateId: []byte("genesis"),
})
require.NoError(t, err)
assert.DeepEqual(t, bytesutil.PadTo([]byte("genesis"), 32), resp.Data.StateRoot)
})
t.Run("Finalized", func(t *testing.T) {
parent := testutil.NewBeaconBlock()
parentR, err := parent.Block.HashTreeRoot()
require.NoError(t, err)
require.NoError(t, db.SaveBlock(ctx, parent))
require.NoError(t, db.SaveGenesisBlockRoot(ctx, parentR))
b := testutil.NewBeaconBlock()
b.Block.ParentRoot = parentR[:]
b.Block.StateRoot = bytesutil.PadTo([]byte("finalized"), 32)
require.NoError(t, db.SaveBlock(ctx, b))
r, err := b.Block.HashTreeRoot()
require.NoError(t, err)
require.NoError(t, db.SaveStateSummary(ctx, &pb.StateSummary{Root: r[:]}))
require.NoError(t, db.SaveFinalizedCheckpoint(ctx, &eth.Checkpoint{Root: r[:]}))
s := Server{
BeaconDB: db,
}
resp, err := s.GetStateRoot(ctx, &ethpb.StateRequest{
StateId: []byte("finalized"),
})
require.NoError(t, err)
assert.DeepEqual(t, bytesutil.PadTo([]byte("finalized"), 32), resp.Data.StateRoot)
})
t.Run("Justified", func(t *testing.T) {
parent := testutil.NewBeaconBlock()
parentR, err := parent.Block.HashTreeRoot()
require.NoError(t, err)
require.NoError(t, db.SaveBlock(ctx, parent))
require.NoError(t, db.SaveGenesisBlockRoot(ctx, parentR))
b := testutil.NewBeaconBlock()
b.Block.ParentRoot = parentR[:]
b.Block.StateRoot = bytesutil.PadTo([]byte("justified"), 32)
require.NoError(t, db.SaveBlock(ctx, b))
r, err := b.Block.HashTreeRoot()
require.NoError(t, err)
require.NoError(t, db.SaveStateSummary(ctx, &pb.StateSummary{Root: r[:]}))
require.NoError(t, db.SaveJustifiedCheckpoint(ctx, &eth.Checkpoint{Root: r[:]}))
s := Server{
BeaconDB: db,
}
resp, err := s.GetStateRoot(ctx, &ethpb.StateRequest{
StateId: []byte("justified"),
})
require.NoError(t, err)
assert.DeepEqual(t, bytesutil.PadTo([]byte("justified"), 32), resp.Data.StateRoot)
})
t.Run("Hex root", func(t *testing.T) {
// We fill state roots with hex representations of natural numbers starting with 1.
// Example: 16 becomes 0x00...0f
fillStateRoots := func(state *pb.BeaconState) {
rootsLen := params.MainnetConfig().SlotsPerHistoricalRoot
roots := make([][]byte, rootsLen)
for i := uint64(0); i < rootsLen; i++ {
roots[i] = make([]byte, 32)
}
for j := 0; j < len(roots); j++ {
// Remove '0x' prefix and left-pad '0' to have 64 chars in total.
s := fmt.Sprintf("%064s", hexutil.EncodeUint64(uint64(j))[2:])
h, err := hexutil.Decode("0x" + s)
require.NoError(t, err, "Failed to decode root "+s)
roots[j] = h
}
state.StateRoots = roots
}
state, err := testutil.NewBeaconState(fillStateRoots)
require.NoError(t, err)
chainService := &chainMock.ChainService{
State: state,
}
s := Server{
ChainInfoFetcher: chainService,
}
stateId, err := hexutil.Decode("0x" + strings.Repeat("0", 63) + "1")
require.NoError(t, err)
resp, err := s.GetStateRoot(ctx, &ethpb.StateRequest{
StateId: stateId,
})
require.NoError(t, err)
assert.DeepEqual(t, stateId, resp.Data.StateRoot)
})
t.Run("Hex root not found", func(t *testing.T) {
state, err := testutil.NewBeaconState()
require.NoError(t, err)
chainService := &chainMock.ChainService{
State: state,
}
s := Server{
ChainInfoFetcher: chainService,
}
stateId, err := hexutil.Decode("0x" + strings.Repeat("f", 64))
require.NoError(t, err)
_, err = s.GetStateRoot(ctx, &ethpb.StateRequest{
StateId: stateId,
})
assert.ErrorContains(t, fmt.Sprintf("State not found in the last %d state roots in head state", len(state.StateRoots())), err)
})
t.Run("Slot", func(t *testing.T) {
b := testutil.NewBeaconBlock()
b.Block.Slot = 100
b.Block.StateRoot = bytesutil.PadTo([]byte("slot"), 32)
require.NoError(t, db.SaveBlock(ctx, b))
s := Server{
BeaconDB: db,
GenesisTimeFetcher: &chainMock.ChainService{},
}
resp, err := s.GetStateRoot(ctx, &ethpb.StateRequest{
StateId: []byte("100"),
})
require.NoError(t, err)
assert.DeepEqual(t, bytesutil.PadTo([]byte("slot"), 32), resp.Data.StateRoot)
})
t.Run("Multiple slots", func(t *testing.T) {
b := testutil.NewBeaconBlock()
b.Block.Slot = 100
b.Block.StateRoot = bytesutil.PadTo([]byte("slot"), 32)
require.NoError(t, db.SaveBlock(ctx, b))
b = testutil.NewBeaconBlock()
b.Block.Slot = 100
b.Block.StateRoot = bytesutil.PadTo([]byte("sLot"), 32)
require.NoError(t, db.SaveBlock(ctx, b))
s := Server{
BeaconDB: db,
GenesisTimeFetcher: &chainMock.ChainService{},
}
_, err := s.GetStateRoot(ctx, &ethpb.StateRequest{
StateId: []byte("100"),
})
assert.ErrorContains(t, "Multiple blocks exist in same slot", err)
})
t.Run("Slot too big", func(t *testing.T) {
s := Server{
GenesisTimeFetcher: &chainMock.ChainService{
Genesis: time.Now(),
},
}
_, err := s.GetStateRoot(ctx, &ethpb.StateRequest{
StateId: []byte(strconv.FormatUint(1, 10)),
})
assert.ErrorContains(t, "Slot cannot be in the future", err)
})
t.Run("Invalid state", func(t *testing.T) {
s := Server{}
_, err := s.GetStateRoot(ctx, &ethpb.StateRequest{
StateId: []byte("foo"),
})
require.ErrorContains(t, "Invalid state ID: foo", err)
})
}