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67dccc5e43967c26686f238e1796dcc906b05e68
prysm/beacon-chain/blockchain/receive_attestation_test.go
Potuz 67dccc5e43 Break out several helpers from postBlockProcess (#13419) 
* Break out several helpers from `postBlockProcess`

In addition fix a bug found by @terencechain where we should use a slot
context instead of the parent context in the second FCU call.

* Remove calls for tracked proposer

getPayloadAttribute already takes care of this
Also compute correctly the time into voting window

* call with attributes only when incoming block is canonical

* check for empty payload instead of only nil

* add unit tests

* move log for non-canonical block

* return early if the incoming block does not change head

* Pass fcuArgs as arguments

* lint
2024-01-06 02:29:07 +00:00

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package blockchain
import (
"context"
"testing"
"time"
"github.com/prysmaticlabs/prysm/v4/beacon-chain/core/helpers"
"github.com/prysmaticlabs/prysm/v4/beacon-chain/core/transition"
forkchoicetypes "github.com/prysmaticlabs/prysm/v4/beacon-chain/forkchoice/types"
"github.com/prysmaticlabs/prysm/v4/config/params"
"github.com/prysmaticlabs/prysm/v4/consensus-types/blocks"
"github.com/prysmaticlabs/prysm/v4/consensus-types/primitives"
"github.com/prysmaticlabs/prysm/v4/encoding/bytesutil"
ethpb "github.com/prysmaticlabs/prysm/v4/proto/prysm/v1alpha1"
"github.com/prysmaticlabs/prysm/v4/testing/require"
"github.com/prysmaticlabs/prysm/v4/testing/util"
prysmTime "github.com/prysmaticlabs/prysm/v4/time"
"github.com/prysmaticlabs/prysm/v4/time/slots"
logTest "github.com/sirupsen/logrus/hooks/test"
)
var (
_ = AttestationReceiver(&Service{})
_ = AttestationStateFetcher(&Service{})
)
func TestAttestationCheckPtState_FarFutureSlot(t *testing.T) {
helpers.ClearCache()
service, _ := minimalTestService(t)
service.genesisTime = time.Now()
e := primitives.Epoch(slots.MaxSlotBuffer/uint64(params.BeaconConfig().SlotsPerEpoch) + 1)
_, err := service.AttestationTargetState(context.Background(), &ethpb.Checkpoint{Epoch: e})
require.ErrorContains(t, "exceeds max allowed value relative to the local clock", err)
}
func TestVerifyLMDFFGConsistent(t *testing.T) {
service, tr := minimalTestService(t)
ctx := tr.ctx
f := service.cfg.ForkChoiceStore
fc := &ethpb.Checkpoint{Root: params.BeaconConfig().ZeroHash[:]}
state, r32, err := prepareForkchoiceState(ctx, 32, [32]byte{'a'}, params.BeaconConfig().ZeroHash, params.BeaconConfig().ZeroHash, fc, fc)
require.NoError(t, err)
require.NoError(t, f.InsertNode(ctx, state, r32))
state, r33, err := prepareForkchoiceState(ctx, 33, [32]byte{'b'}, r32, params.BeaconConfig().ZeroHash, fc, fc)
require.NoError(t, err)
require.NoError(t, f.InsertNode(ctx, state, r33))
wanted := "FFG and LMD votes are not consistent"
a := util.NewAttestation()
a.Data.Target.Epoch = 1
a.Data.Target.Root = []byte{'c'}
a.Data.BeaconBlockRoot = r33[:]
require.ErrorContains(t, wanted, service.VerifyLmdFfgConsistency(context.Background(), a))
a.Data.Target.Root = r32[:]
err = service.VerifyLmdFfgConsistency(context.Background(), a)
require.NoError(t, err, "Could not verify LMD and FFG votes to be consistent")
}
func TestProcessAttestations_Ok(t *testing.T) {
service, tr := minimalTestService(t)
hook := logTest.NewGlobal()
ctx := tr.ctx
service.genesisTime = prysmTime.Now().Add(-1 * time.Duration(params.BeaconConfig().SecondsPerSlot) * time.Second)
genesisState, pks := util.DeterministicGenesisState(t, 64)
require.NoError(t, genesisState.SetGenesisTime(uint64(prysmTime.Now().Unix())-params.BeaconConfig().SecondsPerSlot))
require.NoError(t, service.saveGenesisData(ctx, genesisState))
atts, err := util.GenerateAttestations(genesisState, pks, 1, 0, false)
require.NoError(t, err)
tRoot := bytesutil.ToBytes32(atts[0].Data.Target.Root)
copied := genesisState.Copy()
copied, err = transition.ProcessSlots(ctx, copied, 1)
require.NoError(t, err)
require.NoError(t, service.cfg.BeaconDB.SaveState(ctx, copied, tRoot))
ofc := &ethpb.Checkpoint{Root: params.BeaconConfig().ZeroHash[:]}
ojc := &ethpb.Checkpoint{Root: params.BeaconConfig().ZeroHash[:]}
state, blkRoot, err := prepareForkchoiceState(ctx, 0, tRoot, tRoot, params.BeaconConfig().ZeroHash, ojc, ofc)
require.NoError(t, err)
require.NoError(t, service.cfg.ForkChoiceStore.InsertNode(ctx, state, blkRoot))
require.NoError(t, service.cfg.AttPool.SaveForkchoiceAttestations(atts))
service.processAttestations(ctx, 0)
require.Equal(t, 0, len(service.cfg.AttPool.ForkchoiceAttestations()))
require.LogsDoNotContain(t, hook, "Could not process attestation for fork choice")
}
func TestService_ProcessAttestationsAndUpdateHead(t *testing.T) {
service, tr := minimalTestService(t)
ctx, fcs := tr.ctx, tr.fcs
service.genesisTime = prysmTime.Now().Add(-2 * time.Duration(params.BeaconConfig().SecondsPerSlot) * time.Second)
genesisState, pks := util.DeterministicGenesisState(t, 64)
require.NoError(t, service.saveGenesisData(ctx, genesisState))
ojc := &ethpb.Checkpoint{Epoch: 0, Root: service.originBlockRoot[:]}
require.NoError(t, fcs.UpdateJustifiedCheckpoint(ctx, &forkchoicetypes.Checkpoint{Epoch: 0, Root: service.originBlockRoot}))
copied := genesisState.Copy()
// Generate a new block for attesters to attest
blk, err := util.GenerateFullBlock(copied, pks, util.DefaultBlockGenConfig(), 1)
require.NoError(t, err)
tRoot, err := blk.Block.HashTreeRoot()
require.NoError(t, err)
wsb, err := blocks.NewSignedBeaconBlock(blk)
require.NoError(t, err)
preState, err := service.getBlockPreState(ctx, wsb.Block())
require.NoError(t, err)
postState, err := service.validateStateTransition(ctx, preState, wsb)
require.NoError(t, err)
require.NoError(t, service.savePostStateInfo(ctx, tRoot, wsb, postState))
require.NoError(t, service.postBlockProcess(&postBlockProcessConfig{ctx, wsb, tRoot, [32]byte{}, postState, false}))
copied, err = service.cfg.StateGen.StateByRoot(ctx, tRoot)
require.NoError(t, err)
require.Equal(t, 2, fcs.NodeCount())
require.NoError(t, service.cfg.BeaconDB.SaveBlock(ctx, wsb))
// Generate attestations for this block in Slot 1
atts, err := util.GenerateAttestations(copied, pks, 1, 1, false)
require.NoError(t, err)
require.NoError(t, service.cfg.AttPool.SaveForkchoiceAttestations(atts))
// Verify the target is in forkchoice
require.Equal(t, true, fcs.HasNode(bytesutil.ToBytes32(atts[0].Data.BeaconBlockRoot)))
require.Equal(t, tRoot, bytesutil.ToBytes32(atts[0].Data.BeaconBlockRoot))
require.Equal(t, true, fcs.HasNode(service.originBlockRoot))
// Insert a new block to forkchoice
b, err := util.GenerateFullBlock(genesisState, pks, util.DefaultBlockGenConfig(), 2)
require.NoError(t, err)
b.Block.ParentRoot = service.originBlockRoot[:]
r, err := b.Block.HashTreeRoot()
require.NoError(t, err)
util.SaveBlock(t, ctx, service.cfg.BeaconDB, b)
state, blkRoot, err := prepareForkchoiceState(ctx, 2, r, service.originBlockRoot, [32]byte{'b'}, ojc, ojc)
require.NoError(t, err)
require.NoError(t, service.cfg.ForkChoiceStore.InsertNode(ctx, state, blkRoot))
require.Equal(t, 3, fcs.NodeCount())
service.head.root = r // Old head
require.Equal(t, 1, len(service.cfg.AttPool.ForkchoiceAttestations()))
service.UpdateHead(ctx, 0)
require.Equal(t, tRoot, service.headRoot())
require.Equal(t, 0, len(service.cfg.AttPool.ForkchoiceAttestations())) // Validate att pool is empty
}
func TestService_UpdateHead_NoAtts(t *testing.T) {
service, tr := minimalTestService(t)
ctx, fcs := tr.ctx, tr.fcs
service.genesisTime = prysmTime.Now().Add(-2 * time.Duration(params.BeaconConfig().SecondsPerSlot) * time.Second)
genesisState, pks := util.DeterministicGenesisState(t, 64)
require.NoError(t, service.saveGenesisData(ctx, genesisState))
require.NoError(t, fcs.UpdateJustifiedCheckpoint(ctx, &forkchoicetypes.Checkpoint{Epoch: 0, Root: service.originBlockRoot}))
copied := genesisState.Copy()
// Generate a new block
blk, err := util.GenerateFullBlock(copied, pks, util.DefaultBlockGenConfig(), 1)
require.NoError(t, err)
tRoot, err := blk.Block.HashTreeRoot()
require.NoError(t, err)
wsb, err := blocks.NewSignedBeaconBlock(blk)
require.NoError(t, err)
preState, err := service.getBlockPreState(ctx, wsb.Block())
require.NoError(t, err)
postState, err := service.validateStateTransition(ctx, preState, wsb)
require.NoError(t, err)
require.NoError(t, service.savePostStateInfo(ctx, tRoot, wsb, postState))
require.NoError(t, service.postBlockProcess(&postBlockProcessConfig{ctx, wsb, tRoot, [32]byte{}, postState, false}))
require.Equal(t, 2, fcs.NodeCount())
require.NoError(t, service.cfg.BeaconDB.SaveBlock(ctx, wsb))
require.Equal(t, tRoot, service.head.root)
// Insert a new block to forkchoice
ojc := &ethpb.Checkpoint{Epoch: 0, Root: params.BeaconConfig().ZeroHash[:]}
b, err := util.GenerateFullBlock(genesisState, pks, util.DefaultBlockGenConfig(), 2)
require.NoError(t, err)
b.Block.ParentRoot = service.originBlockRoot[:]
r, err := b.Block.HashTreeRoot()
require.NoError(t, err)
util.SaveBlock(t, ctx, service.cfg.BeaconDB, b)
state, blkRoot, err := prepareForkchoiceState(ctx, 2, r, service.originBlockRoot, [32]byte{'b'}, ojc, ojc)
require.NoError(t, err)
require.NoError(t, service.cfg.ForkChoiceStore.InsertNode(ctx, state, blkRoot))
require.Equal(t, 3, fcs.NodeCount())
require.Equal(t, 0, service.cfg.AttPool.ForkchoiceAttestationCount())
service.UpdateHead(ctx, 0)
require.Equal(t, r, service.headRoot())
require.Equal(t, 0, len(service.cfg.AttPool.ForkchoiceAttestations())) // Validate att pool is empty
}
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