prysm-pulse/beacon-chain/blockchain/chain_info_test.go
terence tsao 528cd89616
Move chainheads to blockchain pkg (#8700)
* Move chainheads to block chain's head info

* Fix mock
2021-04-03 11:25:25 +00:00

299 lines
10 KiB
Go

package blockchain
import (
"context"
"testing"
"time"
"github.com/gogo/protobuf/proto"
types "github.com/prysmaticlabs/eth2-types"
ethpb "github.com/prysmaticlabs/ethereumapis/eth/v1alpha1"
"github.com/prysmaticlabs/prysm/beacon-chain/core/helpers"
testDB "github.com/prysmaticlabs/prysm/beacon-chain/db/testing"
"github.com/prysmaticlabs/prysm/beacon-chain/forkchoice/protoarray"
"github.com/prysmaticlabs/prysm/beacon-chain/state/stateV0"
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"
)
// Ensure Service implements chain info interface.
var _ ChainInfoFetcher = (*Service)(nil)
var _ TimeFetcher = (*Service)(nil)
var _ ForkFetcher = (*Service)(nil)
func TestFinalizedCheckpt_Nil(t *testing.T) {
beaconDB := testDB.SetupDB(t)
c := setupBeaconChain(t, beaconDB)
assert.DeepEqual(t, params.BeaconConfig().ZeroHash[:], c.FinalizedCheckpt().Root, "Incorrect pre chain start value")
}
func TestHeadRoot_Nil(t *testing.T) {
beaconDB := testDB.SetupDB(t)
c := setupBeaconChain(t, beaconDB)
headRoot, err := c.HeadRoot(context.Background())
require.NoError(t, err)
assert.DeepEqual(t, params.BeaconConfig().ZeroHash[:], headRoot, "Incorrect pre chain start value")
}
func TestFinalizedCheckpt_CanRetrieve(t *testing.T) {
beaconDB := testDB.SetupDB(t)
cp := &ethpb.Checkpoint{Epoch: 5, Root: bytesutil.PadTo([]byte("foo"), 32)}
c := setupBeaconChain(t, beaconDB)
c.finalizedCheckpt = cp
assert.Equal(t, cp.Epoch, c.FinalizedCheckpt().Epoch, "Unexpected finalized epoch")
}
func TestFinalizedCheckpt_GenesisRootOk(t *testing.T) {
beaconDB := testDB.SetupDB(t)
genesisRoot := [32]byte{'A'}
cp := &ethpb.Checkpoint{Root: genesisRoot[:]}
c := setupBeaconChain(t, beaconDB)
c.finalizedCheckpt = cp
c.genesisRoot = genesisRoot
assert.DeepEqual(t, c.genesisRoot[:], c.FinalizedCheckpt().Root)
}
func TestCurrentJustifiedCheckpt_CanRetrieve(t *testing.T) {
beaconDB := testDB.SetupDB(t)
c := setupBeaconChain(t, beaconDB)
assert.Equal(t, params.BeaconConfig().ZeroHash, bytesutil.ToBytes32(c.CurrentJustifiedCheckpt().Root), "Unexpected justified epoch")
cp := &ethpb.Checkpoint{Epoch: 6, Root: bytesutil.PadTo([]byte("foo"), 32)}
c.justifiedCheckpt = cp
assert.Equal(t, cp.Epoch, c.CurrentJustifiedCheckpt().Epoch, "Unexpected justified epoch")
}
func TestJustifiedCheckpt_GenesisRootOk(t *testing.T) {
beaconDB := testDB.SetupDB(t)
c := setupBeaconChain(t, beaconDB)
genesisRoot := [32]byte{'B'}
cp := &ethpb.Checkpoint{Root: genesisRoot[:]}
c.justifiedCheckpt = cp
c.genesisRoot = genesisRoot
assert.DeepEqual(t, c.genesisRoot[:], c.CurrentJustifiedCheckpt().Root)
}
func TestPreviousJustifiedCheckpt_CanRetrieve(t *testing.T) {
beaconDB := testDB.SetupDB(t)
cp := &ethpb.Checkpoint{Epoch: 7, Root: bytesutil.PadTo([]byte("foo"), 32)}
c := setupBeaconChain(t, beaconDB)
assert.Equal(t, params.BeaconConfig().ZeroHash, bytesutil.ToBytes32(c.CurrentJustifiedCheckpt().Root), "Unexpected justified epoch")
c.prevJustifiedCheckpt = cp
assert.Equal(t, cp.Epoch, c.PreviousJustifiedCheckpt().Epoch, "Unexpected previous justified epoch")
}
func TestPrevJustifiedCheckpt_GenesisRootOk(t *testing.T) {
beaconDB := testDB.SetupDB(t)
genesisRoot := [32]byte{'C'}
cp := &ethpb.Checkpoint{Root: genesisRoot[:]}
c := setupBeaconChain(t, beaconDB)
c.prevJustifiedCheckpt = cp
c.genesisRoot = genesisRoot
assert.DeepEqual(t, c.genesisRoot[:], c.PreviousJustifiedCheckpt().Root)
}
func TestHeadSlot_CanRetrieve(t *testing.T) {
c := &Service{}
s, err := stateV0.InitializeFromProto(&pb.BeaconState{})
require.NoError(t, err)
c.head = &head{slot: 100, state: s}
assert.Equal(t, types.Slot(100), c.HeadSlot())
}
func TestHeadRoot_CanRetrieve(t *testing.T) {
c := &Service{}
c.head = &head{root: [32]byte{'A'}}
r, err := c.HeadRoot(context.Background())
require.NoError(t, err)
assert.Equal(t, [32]byte{'A'}, bytesutil.ToBytes32(r))
}
func TestHeadRoot_UseDB(t *testing.T) {
beaconDB := testDB.SetupDB(t)
c := &Service{cfg: &Config{BeaconDB: beaconDB}}
c.head = &head{root: params.BeaconConfig().ZeroHash}
b := testutil.NewBeaconBlock()
br, err := b.Block.HashTreeRoot()
require.NoError(t, err)
require.NoError(t, beaconDB.SaveBlock(context.Background(), b))
require.NoError(t, beaconDB.SaveStateSummary(context.Background(), &pb.StateSummary{Root: br[:]}))
require.NoError(t, beaconDB.SaveHeadBlockRoot(context.Background(), br))
r, err := c.HeadRoot(context.Background())
require.NoError(t, err)
assert.Equal(t, br, bytesutil.ToBytes32(r))
}
func TestHeadBlock_CanRetrieve(t *testing.T) {
b := testutil.NewBeaconBlock()
b.Block.Slot = 1
s, err := stateV0.InitializeFromProto(&pb.BeaconState{})
require.NoError(t, err)
c := &Service{}
c.head = &head{block: b, state: s}
recevied, err := c.HeadBlock(context.Background())
require.NoError(t, err)
assert.DeepEqual(t, b, recevied, "Incorrect head block received")
}
func TestHeadState_CanRetrieve(t *testing.T) {
s, err := stateV0.InitializeFromProto(&pb.BeaconState{Slot: 2, GenesisValidatorsRoot: params.BeaconConfig().ZeroHash[:]})
require.NoError(t, err)
c := &Service{}
c.head = &head{state: s}
headState, err := c.HeadState(context.Background())
require.NoError(t, err)
assert.DeepEqual(t, headState.InnerStateUnsafe(), s.InnerStateUnsafe(), "Incorrect head state received")
}
func TestGenesisTime_CanRetrieve(t *testing.T) {
c := &Service{genesisTime: time.Unix(999, 0)}
wanted := time.Unix(999, 0)
assert.Equal(t, wanted, c.GenesisTime(), "Did not get wanted genesis time")
}
func TestCurrentFork_CanRetrieve(t *testing.T) {
f := &pb.Fork{Epoch: 999}
s, err := stateV0.InitializeFromProto(&pb.BeaconState{Fork: f})
require.NoError(t, err)
c := &Service{}
c.head = &head{state: s}
if !proto.Equal(c.CurrentFork(), f) {
t.Error("Received incorrect fork version")
}
}
func TestCurrentFork_NilHeadSTate(t *testing.T) {
f := &pb.Fork{
PreviousVersion: params.BeaconConfig().GenesisForkVersion,
CurrentVersion: params.BeaconConfig().GenesisForkVersion,
}
c := &Service{}
if !proto.Equal(c.CurrentFork(), f) {
t.Error("Received incorrect fork version")
}
}
func TestGenesisValidatorRoot_CanRetrieve(t *testing.T) {
// Should not panic if head state is nil.
c := &Service{}
assert.Equal(t, [32]byte{}, c.GenesisValidatorRoot(), "Did not get correct genesis validator root")
s, err := stateV0.InitializeFromProto(&pb.BeaconState{GenesisValidatorsRoot: []byte{'a'}})
require.NoError(t, err)
c.head = &head{state: s}
assert.Equal(t, [32]byte{'a'}, c.GenesisValidatorRoot(), "Did not get correct genesis validator root")
}
func TestHeadETH1Data_Nil(t *testing.T) {
beaconDB := testDB.SetupDB(t)
c := setupBeaconChain(t, beaconDB)
assert.DeepEqual(t, &ethpb.Eth1Data{}, c.HeadETH1Data(), "Incorrect pre chain start value")
}
func TestHeadETH1Data_CanRetrieve(t *testing.T) {
d := &ethpb.Eth1Data{DepositCount: 999}
s, err := stateV0.InitializeFromProto(&pb.BeaconState{Eth1Data: d})
require.NoError(t, err)
c := &Service{}
c.head = &head{state: s}
if !proto.Equal(c.HeadETH1Data(), d) {
t.Error("Received incorrect eth1 data")
}
}
func TestIsCanonical_Ok(t *testing.T) {
ctx := context.Background()
beaconDB := testDB.SetupDB(t)
c := setupBeaconChain(t, beaconDB)
blk := testutil.NewBeaconBlock()
blk.Block.Slot = 0
root, err := blk.Block.HashTreeRoot()
require.NoError(t, err)
require.NoError(t, beaconDB.SaveBlock(ctx, blk))
require.NoError(t, beaconDB.SaveGenesisBlockRoot(ctx, root))
can, err := c.IsCanonical(ctx, root)
require.NoError(t, err)
assert.Equal(t, true, can)
can, err = c.IsCanonical(ctx, [32]byte{'a'})
require.NoError(t, err)
assert.Equal(t, false, can)
}
func TestService_HeadValidatorsIndices(t *testing.T) {
s, _ := testutil.DeterministicGenesisState(t, 10)
c := &Service{}
c.head = &head{}
indices, err := c.HeadValidatorsIndices(context.Background(), 0)
require.NoError(t, err)
require.Equal(t, 0, len(indices))
c.head = &head{state: s}
indices, err = c.HeadValidatorsIndices(context.Background(), 0)
require.NoError(t, err)
require.Equal(t, 10, len(indices))
}
func TestService_HeadSeed(t *testing.T) {
s, _ := testutil.DeterministicGenesisState(t, 1)
c := &Service{}
seed, err := helpers.Seed(s, 0, params.BeaconConfig().DomainBeaconAttester)
require.NoError(t, err)
c.head = &head{}
root, err := c.HeadSeed(context.Background(), 0)
require.NoError(t, err)
require.Equal(t, [32]byte{}, root)
c.head = &head{state: s}
root, err = c.HeadSeed(context.Background(), 0)
require.NoError(t, err)
require.DeepEqual(t, seed, root)
}
func TestService_HeadGenesisValidatorRoot(t *testing.T) {
s, _ := testutil.DeterministicGenesisState(t, 1)
c := &Service{}
c.head = &head{}
root := c.HeadGenesisValidatorRoot()
require.Equal(t, [32]byte{}, root)
c.head = &head{state: s}
root = c.HeadGenesisValidatorRoot()
require.DeepEqual(t, root[:], s.GenesisValidatorRoot())
}
func TestService_ProtoArrayStore(t *testing.T) {
c := &Service{cfg: &Config{ForkChoiceStore: protoarray.New(0, 0, [32]byte{})}}
p := c.ProtoArrayStore()
require.Equal(t, 0, int(p.FinalizedEpoch()))
}
func TestService_ChainHeads(t *testing.T) {
ctx := context.Background()
c := &Service{cfg: &Config{ForkChoiceStore: protoarray.New(0, 0, [32]byte{})}}
require.NoError(t, c.cfg.ForkChoiceStore.ProcessBlock(ctx, 100, [32]byte{'a'}, [32]byte{}, [32]byte{}, 0, 0))
require.NoError(t, c.cfg.ForkChoiceStore.ProcessBlock(ctx, 101, [32]byte{'b'}, [32]byte{'a'}, [32]byte{}, 0, 0))
require.NoError(t, c.cfg.ForkChoiceStore.ProcessBlock(ctx, 102, [32]byte{'c'}, [32]byte{'b'}, [32]byte{}, 0, 0))
require.NoError(t, c.cfg.ForkChoiceStore.ProcessBlock(ctx, 103, [32]byte{'d'}, [32]byte{}, [32]byte{}, 0, 0))
require.NoError(t, c.cfg.ForkChoiceStore.ProcessBlock(ctx, 104, [32]byte{'e'}, [32]byte{'b'}, [32]byte{}, 0, 0))
roots, slots := c.ChainHeads()
require.DeepEqual(t, [][32]byte{{'c'}, {'d'}, {'e'}}, roots)
require.DeepEqual(t, []types.Slot{102, 103, 104}, slots)
}