mirror of
https://gitlab.com/pulsechaincom/prysm-pulse.git
synced 2024-12-25 12:57:18 +00:00
98fea2e94d
* optimizations to slasher runtime * remove unnecessary code * test for epoch update * commentary * Gaz * fmt * amend test * better logging * better logs * log * div 0 * more logging * no log * use map instead * passing * comments * passing * for select loop wait for init * sub * srv * debug * fix panic * gaz * builds * sim gen * ineff * commentary * data * log * base * try * rem logs * sim logs * fix wait for sync event * ev * init * init * Update beacon-chain/slasher/service.go Co-authored-by: Preston Van Loon <preston@prysmaticlabs.com> * comments * elapsed * Update testing/slasher/simulator/simulator.go Co-authored-by: Preston Van Loon <preston@prysmaticlabs.com> * timeout * inner cancel * ctx err everywhere * Add context aware to several potentially long running db operations * Fix missing param after updating with develop Co-authored-by: prylabs-bulldozer[bot] <58059840+prylabs-bulldozer[bot]@users.noreply.github.com> Co-authored-by: Preston Van Loon <preston@prysmaticlabs.com>
919 lines
28 KiB
Go
919 lines
28 KiB
Go
package slasher
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import (
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"context"
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"fmt"
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"testing"
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"time"
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types "github.com/prysmaticlabs/eth2-types"
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mock "github.com/prysmaticlabs/prysm/beacon-chain/blockchain/testing"
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"github.com/prysmaticlabs/prysm/beacon-chain/core/signing"
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dbtest "github.com/prysmaticlabs/prysm/beacon-chain/db/testing"
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"github.com/prysmaticlabs/prysm/beacon-chain/operations/slashings"
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slashertypes "github.com/prysmaticlabs/prysm/beacon-chain/slasher/types"
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"github.com/prysmaticlabs/prysm/config/params"
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"github.com/prysmaticlabs/prysm/crypto/bls"
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"github.com/prysmaticlabs/prysm/encoding/bytesutil"
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ethpb "github.com/prysmaticlabs/prysm/proto/prysm/v1alpha1"
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"github.com/prysmaticlabs/prysm/testing/assert"
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"github.com/prysmaticlabs/prysm/testing/require"
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"github.com/prysmaticlabs/prysm/testing/util"
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"github.com/prysmaticlabs/prysm/time/slots"
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logTest "github.com/sirupsen/logrus/hooks/test"
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)
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func Test_processQueuedAttestations(t *testing.T) {
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type args struct {
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attestationQueue []*slashertypes.IndexedAttestationWrapper
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currentEpoch types.Epoch
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}
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tests := []struct {
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name string
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args args
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shouldNotBeSlashable bool
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}{
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{
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name: "Detects surrounding vote (source 1, target 2), (source 0, target 3)",
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args: args{
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attestationQueue: []*slashertypes.IndexedAttestationWrapper{
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createAttestationWrapper(t, 1, 2, []uint64{0, 1}, nil),
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createAttestationWrapper(t, 0, 3, []uint64{0, 1}, nil),
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},
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currentEpoch: 4,
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},
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},
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{
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name: "Detects surrounding vote (source 50, target 51), (source 0, target 1000)",
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args: args{
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attestationQueue: []*slashertypes.IndexedAttestationWrapper{
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createAttestationWrapper(t, 50, 51, []uint64{0}, nil),
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createAttestationWrapper(t, 0, 1000, []uint64{0}, nil),
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},
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currentEpoch: 1000,
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},
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},
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{
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name: "Detects surrounded vote (source 0, target 3), (source 1, target 2)",
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args: args{
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attestationQueue: []*slashertypes.IndexedAttestationWrapper{
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createAttestationWrapper(t, 0, 3, []uint64{0, 1}, nil),
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createAttestationWrapper(t, 1, 2, []uint64{0, 1}, nil),
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},
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currentEpoch: 4,
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},
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},
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{
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name: "Detects double vote, (source 1, target 2), (source 0, target 2)",
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args: args{
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attestationQueue: []*slashertypes.IndexedAttestationWrapper{
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createAttestationWrapper(t, 1, 2, []uint64{0, 1}, nil),
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createAttestationWrapper(t, 0, 2, []uint64{0, 1}, nil),
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},
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currentEpoch: 4,
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},
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},
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{
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name: "Not slashable, surrounding but non-overlapping attesting indices within same validator chunk index",
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args: args{
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attestationQueue: []*slashertypes.IndexedAttestationWrapper{
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createAttestationWrapper(t, 1, 2, []uint64{0}, nil),
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createAttestationWrapper(t, 0, 3, []uint64{1}, nil),
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},
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currentEpoch: 4,
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},
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shouldNotBeSlashable: true,
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},
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{
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name: "Not slashable, surrounded but non-overlapping attesting indices within same validator chunk index",
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args: args{
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attestationQueue: []*slashertypes.IndexedAttestationWrapper{
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createAttestationWrapper(t, 0, 3, []uint64{0, 1}, nil),
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createAttestationWrapper(t, 1, 2, []uint64{2, 3}, nil),
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},
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currentEpoch: 4,
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},
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shouldNotBeSlashable: true,
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},
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{
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name: "Not slashable, surrounding but non-overlapping attesting indices in different validator chunk index",
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args: args{
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attestationQueue: []*slashertypes.IndexedAttestationWrapper{
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createAttestationWrapper(t, 0, 3, []uint64{0}, nil),
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createAttestationWrapper(
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t,
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1,
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2,
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[]uint64{params.BeaconConfig().MinGenesisActiveValidatorCount - 1},
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nil,
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),
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},
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currentEpoch: 4,
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},
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shouldNotBeSlashable: true,
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},
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{
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name: "Not slashable, surrounded but non-overlapping attesting indices in different validator chunk index",
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args: args{
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attestationQueue: []*slashertypes.IndexedAttestationWrapper{
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createAttestationWrapper(t, 0, 3, []uint64{0}, nil),
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createAttestationWrapper(
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t,
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1,
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2,
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[]uint64{params.BeaconConfig().MinGenesisActiveValidatorCount - 1},
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nil,
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),
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},
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currentEpoch: 4,
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},
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shouldNotBeSlashable: true,
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},
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{
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name: "Not slashable, (source 1, target 2), (source 2, target 3)",
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args: args{
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attestationQueue: []*slashertypes.IndexedAttestationWrapper{
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createAttestationWrapper(t, 1, 2, []uint64{0, 1}, nil),
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createAttestationWrapper(t, 2, 3, []uint64{0, 1}, nil),
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},
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currentEpoch: 4,
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},
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shouldNotBeSlashable: true,
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},
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{
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name: "Not slashable, (source 0, target 3), (source 2, target 4)",
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args: args{
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attestationQueue: []*slashertypes.IndexedAttestationWrapper{
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createAttestationWrapper(t, 0, 3, []uint64{0, 1}, nil),
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createAttestationWrapper(t, 2, 4, []uint64{0, 1}, nil),
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},
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currentEpoch: 4,
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},
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shouldNotBeSlashable: true,
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},
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{
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name: "Not slashable, (source 0, target 2), (source 0, target 3)",
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args: args{
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attestationQueue: []*slashertypes.IndexedAttestationWrapper{
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createAttestationWrapper(t, 0, 2, []uint64{0, 1}, nil),
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createAttestationWrapper(t, 0, 3, []uint64{0, 1}, nil),
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},
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currentEpoch: 4,
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},
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shouldNotBeSlashable: true,
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},
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{
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name: "Not slashable, (source 0, target 3), (source 0, target 2)",
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args: args{
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attestationQueue: []*slashertypes.IndexedAttestationWrapper{
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createAttestationWrapper(t, 0, 3, []uint64{0, 1}, nil),
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createAttestationWrapper(t, 0, 2, []uint64{0, 1}, nil),
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},
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currentEpoch: 4,
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},
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shouldNotBeSlashable: true,
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},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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hook := logTest.NewGlobal()
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defer hook.Reset()
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slasherDB := dbtest.SetupSlasherDB(t)
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ctx, cancel := context.WithCancel(context.Background())
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currentTime := time.Now()
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totalSlots := uint64(tt.args.currentEpoch) * uint64(params.BeaconConfig().SlotsPerEpoch)
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secondsSinceGenesis := time.Duration(totalSlots * params.BeaconConfig().SecondsPerSlot)
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genesisTime := currentTime.Add(-secondsSinceGenesis * time.Second)
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beaconState, err := util.NewBeaconState()
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require.NoError(t, err)
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slot, err := slots.EpochStart(tt.args.currentEpoch)
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require.NoError(t, err)
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require.NoError(t, beaconState.SetSlot(slot))
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mockChain := &mock.ChainService{
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State: beaconState,
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Slot: &slot,
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}
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// Initialize validators in the state.
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numVals := params.BeaconConfig().MinGenesisActiveValidatorCount
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validators := make([]*ethpb.Validator, numVals)
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privKeys := make([]bls.SecretKey, numVals)
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for i := range validators {
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privKey, err := bls.RandKey()
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require.NoError(t, err)
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privKeys[i] = privKey
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validators[i] = ðpb.Validator{
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PublicKey: privKey.PublicKey().Marshal(),
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WithdrawalCredentials: make([]byte, 32),
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}
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}
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err = beaconState.SetValidators(validators)
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require.NoError(t, err)
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domain, err := signing.Domain(
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beaconState.Fork(),
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0,
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params.BeaconConfig().DomainBeaconAttester,
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beaconState.GenesisValidatorRoot(),
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)
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require.NoError(t, err)
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// Create valid signatures for all input attestations in the test.
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for _, attestationWrapper := range tt.args.attestationQueue {
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signingRoot, err := signing.ComputeSigningRoot(attestationWrapper.IndexedAttestation.Data, domain)
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require.NoError(t, err)
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attestingIndices := attestationWrapper.IndexedAttestation.AttestingIndices
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sigs := make([]bls.Signature, len(attestingIndices))
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for i, validatorIndex := range attestingIndices {
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privKey := privKeys[validatorIndex]
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sigs[i] = privKey.Sign(signingRoot[:])
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}
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attestationWrapper.IndexedAttestation.Signature = bls.AggregateSignatures(sigs).Marshal()
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}
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s := &Service{
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serviceCfg: &ServiceConfig{
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Database: slasherDB,
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StateNotifier: &mock.MockStateNotifier{},
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HeadStateFetcher: mockChain,
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AttestationStateFetcher: mockChain,
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SlashingPoolInserter: &slashings.PoolMock{},
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},
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params: DefaultParams(),
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attsQueue: newAttestationsQueue(),
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genesisTime: genesisTime,
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latestEpochWrittenForValidator: map[types.ValidatorIndex]types.Epoch{},
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}
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currentSlotChan := make(chan types.Slot)
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exitChan := make(chan struct{})
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go func() {
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s.processQueuedAttestations(ctx, currentSlotChan)
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exitChan <- struct{}{}
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}()
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s.attsQueue.extend(tt.args.attestationQueue)
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currentSlotChan <- slot
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time.Sleep(time.Millisecond * 200)
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cancel()
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<-exitChan
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if tt.shouldNotBeSlashable {
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require.LogsDoNotContain(t, hook, "Attester slashing detected")
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} else {
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require.LogsContain(t, hook, "Attester slashing detected")
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}
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})
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}
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}
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func Test_processQueuedAttestations_MultipleChunkIndices(t *testing.T) {
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hook := logTest.NewGlobal()
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defer hook.Reset()
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slasherDB := dbtest.SetupSlasherDB(t)
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ctx, cancel := context.WithCancel(context.Background())
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slasherParams := DefaultParams()
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// We process submit attestations from chunk index 0 to chunk index 1.
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// What we want to test here is if we can proceed
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// with processing queued attestations once the chunk index changes.
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// For example, epochs 0 - 15 are chunk 0, epochs 16 - 31 are chunk 1, etc.
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startEpoch := types.Epoch(slasherParams.chunkSize)
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endEpoch := types.Epoch(slasherParams.chunkSize + 1)
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currentTime := time.Now()
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totalSlots := uint64(startEpoch) * uint64(params.BeaconConfig().SlotsPerEpoch)
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secondsSinceGenesis := time.Duration(totalSlots * params.BeaconConfig().SecondsPerSlot)
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genesisTime := currentTime.Add(-secondsSinceGenesis * time.Second)
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beaconState, err := util.NewBeaconState()
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require.NoError(t, err)
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mockChain := &mock.ChainService{
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State: beaconState,
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}
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s := &Service{
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serviceCfg: &ServiceConfig{
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Database: slasherDB,
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StateNotifier: &mock.MockStateNotifier{},
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HeadStateFetcher: mockChain,
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AttestationStateFetcher: mockChain,
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SlashingPoolInserter: &slashings.PoolMock{},
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},
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params: slasherParams,
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attsQueue: newAttestationsQueue(),
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genesisTime: genesisTime,
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latestEpochWrittenForValidator: map[types.ValidatorIndex]types.Epoch{},
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}
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currentSlotChan := make(chan types.Slot)
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exitChan := make(chan struct{})
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go func() {
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s.processQueuedAttestations(ctx, currentSlotChan)
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exitChan <- struct{}{}
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}()
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for i := startEpoch; i <= endEpoch; i++ {
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source := types.Epoch(0)
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target := types.Epoch(0)
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if i != 0 {
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source = i - 1
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target = i
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}
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var sr [32]byte
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copy(sr[:], fmt.Sprintf("%d", i))
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att := createAttestationWrapper(t, source, target, []uint64{0}, sr[:])
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s.attsQueue = newAttestationsQueue()
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s.attsQueue.push(att)
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slot, err := slots.EpochStart(i)
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require.NoError(t, err)
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require.NoError(t, mockChain.State.SetSlot(slot))
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s.serviceCfg.HeadStateFetcher = mockChain
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currentSlotChan <- slot
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}
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time.Sleep(time.Millisecond * 200)
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cancel()
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<-exitChan
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require.LogsDoNotContain(t, hook, "Slashable offenses found")
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require.LogsDoNotContain(t, hook, "Could not detect")
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}
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func Test_processQueuedAttestations_OverlappingChunkIndices(t *testing.T) {
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hook := logTest.NewGlobal()
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defer hook.Reset()
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slasherDB := dbtest.SetupSlasherDB(t)
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ctx, cancel := context.WithCancel(context.Background())
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slasherParams := DefaultParams()
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startEpoch := types.Epoch(slasherParams.chunkSize)
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currentTime := time.Now()
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totalSlots := uint64(startEpoch) * uint64(params.BeaconConfig().SlotsPerEpoch)
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secondsSinceGenesis := time.Duration(totalSlots * params.BeaconConfig().SecondsPerSlot)
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genesisTime := currentTime.Add(-secondsSinceGenesis * time.Second)
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beaconState, err := util.NewBeaconState()
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require.NoError(t, err)
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mockChain := &mock.ChainService{
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State: beaconState,
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}
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s := &Service{
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serviceCfg: &ServiceConfig{
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Database: slasherDB,
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StateNotifier: &mock.MockStateNotifier{},
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HeadStateFetcher: mockChain,
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AttestationStateFetcher: mockChain,
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SlashingPoolInserter: &slashings.PoolMock{},
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},
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params: slasherParams,
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attsQueue: newAttestationsQueue(),
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genesisTime: genesisTime,
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latestEpochWrittenForValidator: map[types.ValidatorIndex]types.Epoch{},
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}
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currentSlotChan := make(chan types.Slot)
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exitChan := make(chan struct{})
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go func() {
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s.processQueuedAttestations(ctx, currentSlotChan)
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exitChan <- struct{}{}
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}()
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// We create two attestations fully spanning chunk indices 0 and chunk 1
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att1 := createAttestationWrapper(t, types.Epoch(slasherParams.chunkSize-2), types.Epoch(slasherParams.chunkSize), []uint64{0, 1}, nil)
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att2 := createAttestationWrapper(t, types.Epoch(slasherParams.chunkSize-1), types.Epoch(slasherParams.chunkSize+1), []uint64{0, 1}, nil)
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|
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// We attempt to process the batch.
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s.attsQueue = newAttestationsQueue()
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s.attsQueue.push(att1)
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s.attsQueue.push(att2)
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slot, err := slots.EpochStart(att2.IndexedAttestation.Data.Target.Epoch)
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require.NoError(t, err)
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mockChain.Slot = &slot
|
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s.serviceCfg.HeadStateFetcher = mockChain
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currentSlotChan <- slot
|
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|
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time.Sleep(time.Millisecond * 200)
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cancel()
|
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<-exitChan
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require.LogsDoNotContain(t, hook, "Slashable offenses found")
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require.LogsDoNotContain(t, hook, "Could not detect")
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}
|
|
|
|
func Test_epochUpdateForValidators(t *testing.T) {
|
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ctx := context.Background()
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slasherDB := dbtest.SetupSlasherDB(t)
|
|
|
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// Check if the chunk at chunk index already exists in-memory.
|
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s := &Service{
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params: &Parameters{
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chunkSize: 2, // 2 epochs in a chunk.
|
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validatorChunkSize: 2, // 2 validators in a chunk.
|
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historyLength: 4,
|
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},
|
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serviceCfg: &ServiceConfig{Database: slasherDB},
|
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latestEpochWrittenForValidator: map[types.ValidatorIndex]types.Epoch{},
|
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}
|
|
|
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t.Run("no update if no latest written epoch", func(t *testing.T) {
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validators := []types.ValidatorIndex{
|
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1, 2,
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}
|
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currentEpoch := types.Epoch(3)
|
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// No last written epoch for both validators.
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s.latestEpochWrittenForValidator = map[types.ValidatorIndex]types.Epoch{}
|
|
|
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// Because the validators have no recorded latest epoch written, we expect
|
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// no chunks to be loaded nor updated to.
|
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updatedChunks := make(map[uint64]Chunker)
|
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for _, valIdx := range validators {
|
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err := s.epochUpdateForValidator(
|
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ctx,
|
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&chunkUpdateArgs{
|
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currentEpoch: currentEpoch,
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},
|
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updatedChunks,
|
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valIdx,
|
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)
|
|
require.NoError(t, err)
|
|
}
|
|
require.Equal(t, 0, len(updatedChunks))
|
|
})
|
|
|
|
t.Run("update from latest written epoch", func(t *testing.T) {
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validators := []types.ValidatorIndex{
|
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1, 2,
|
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}
|
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currentEpoch := types.Epoch(3)
|
|
|
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// Set the latest written epoch for validators to current epoch - 1.
|
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latestWrittenEpoch := currentEpoch - 1
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s.latestEpochWrittenForValidator = map[types.ValidatorIndex]types.Epoch{
|
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1: latestWrittenEpoch,
|
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2: latestWrittenEpoch,
|
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}
|
|
|
|
// Because the latest written epoch for the input validators is == 2, we expect
|
|
// that we will update all epochs from 2 up to 3 (the current epoch). This is all
|
|
// safe contained in chunk index 1.
|
|
updatedChunks := make(map[uint64]Chunker)
|
|
for _, valIdx := range validators {
|
|
err := s.epochUpdateForValidator(
|
|
ctx,
|
|
&chunkUpdateArgs{
|
|
currentEpoch: currentEpoch,
|
|
},
|
|
updatedChunks,
|
|
valIdx,
|
|
)
|
|
require.NoError(t, err)
|
|
}
|
|
require.Equal(t, 1, len(updatedChunks))
|
|
_, ok := updatedChunks[1]
|
|
require.Equal(t, true, ok)
|
|
})
|
|
}
|
|
|
|
func Test_applyAttestationForValidator_MinSpanChunk(t *testing.T) {
|
|
ctx := context.Background()
|
|
slasherDB := dbtest.SetupSlasherDB(t)
|
|
params := DefaultParams()
|
|
srv := &Service{
|
|
params: params,
|
|
serviceCfg: &ServiceConfig{
|
|
Database: slasherDB,
|
|
StateNotifier: &mock.MockStateNotifier{},
|
|
},
|
|
latestEpochWrittenForValidator: map[types.ValidatorIndex]types.Epoch{},
|
|
}
|
|
// We initialize an empty chunks slice.
|
|
chunk := EmptyMinSpanChunksSlice(params)
|
|
chunkIdx := uint64(0)
|
|
currentEpoch := types.Epoch(3)
|
|
validatorIdx := types.ValidatorIndex(0)
|
|
args := &chunkUpdateArgs{
|
|
chunkIndex: chunkIdx,
|
|
currentEpoch: currentEpoch,
|
|
}
|
|
chunksByChunkIdx := map[uint64]Chunker{
|
|
chunkIdx: chunk,
|
|
}
|
|
|
|
// We apply attestation with (source 1, target 2) for our validator.
|
|
source := types.Epoch(1)
|
|
target := types.Epoch(2)
|
|
att := createAttestationWrapper(t, source, target, nil, nil)
|
|
slashing, err := srv.applyAttestationForValidator(
|
|
ctx,
|
|
args,
|
|
validatorIdx,
|
|
chunksByChunkIdx,
|
|
att,
|
|
)
|
|
require.NoError(t, err)
|
|
require.Equal(t, true, slashing == nil)
|
|
att.IndexedAttestation.AttestingIndices = []uint64{uint64(validatorIdx)}
|
|
err = slasherDB.SaveAttestationRecordsForValidators(
|
|
ctx,
|
|
[]*slashertypes.IndexedAttestationWrapper{att},
|
|
)
|
|
require.NoError(t, err)
|
|
|
|
// Next, we apply an attestation with (source 0, target 3) and
|
|
// expect a slashable offense to be returned.
|
|
source = types.Epoch(0)
|
|
target = types.Epoch(3)
|
|
slashableAtt := createAttestationWrapper(t, source, target, nil, nil)
|
|
slashing, err = srv.applyAttestationForValidator(
|
|
ctx,
|
|
args,
|
|
validatorIdx,
|
|
chunksByChunkIdx,
|
|
slashableAtt,
|
|
)
|
|
require.NoError(t, err)
|
|
require.NotNil(t, slashing)
|
|
}
|
|
|
|
func Test_applyAttestationForValidator_MaxSpanChunk(t *testing.T) {
|
|
ctx := context.Background()
|
|
slasherDB := dbtest.SetupSlasherDB(t)
|
|
params := DefaultParams()
|
|
srv := &Service{
|
|
params: params,
|
|
serviceCfg: &ServiceConfig{
|
|
Database: slasherDB,
|
|
StateNotifier: &mock.MockStateNotifier{},
|
|
},
|
|
latestEpochWrittenForValidator: map[types.ValidatorIndex]types.Epoch{},
|
|
}
|
|
// We initialize an empty chunks slice.
|
|
chunk := EmptyMaxSpanChunksSlice(params)
|
|
chunkIdx := uint64(0)
|
|
currentEpoch := types.Epoch(3)
|
|
validatorIdx := types.ValidatorIndex(0)
|
|
args := &chunkUpdateArgs{
|
|
chunkIndex: chunkIdx,
|
|
currentEpoch: currentEpoch,
|
|
}
|
|
chunksByChunkIdx := map[uint64]Chunker{
|
|
chunkIdx: chunk,
|
|
}
|
|
|
|
// We apply attestation with (source 0, target 3) for our validator.
|
|
source := types.Epoch(0)
|
|
target := types.Epoch(3)
|
|
att := createAttestationWrapper(t, source, target, nil, nil)
|
|
slashing, err := srv.applyAttestationForValidator(
|
|
ctx,
|
|
args,
|
|
validatorIdx,
|
|
chunksByChunkIdx,
|
|
att,
|
|
)
|
|
require.NoError(t, err)
|
|
require.Equal(t, true, slashing == nil)
|
|
att.IndexedAttestation.AttestingIndices = []uint64{uint64(validatorIdx)}
|
|
err = slasherDB.SaveAttestationRecordsForValidators(
|
|
ctx,
|
|
[]*slashertypes.IndexedAttestationWrapper{att},
|
|
)
|
|
require.NoError(t, err)
|
|
|
|
// Next, we apply an attestation with (source 1, target 2) and
|
|
// expect a slashable offense to be returned.
|
|
source = types.Epoch(1)
|
|
target = types.Epoch(2)
|
|
slashableAtt := createAttestationWrapper(t, source, target, nil, nil)
|
|
slashing, err = srv.applyAttestationForValidator(
|
|
ctx,
|
|
args,
|
|
validatorIdx,
|
|
chunksByChunkIdx,
|
|
slashableAtt,
|
|
)
|
|
require.NoError(t, err)
|
|
require.NotNil(t, slashing)
|
|
}
|
|
|
|
func Test_checkDoubleVotes_SlashableInputAttestations(t *testing.T) {
|
|
slasherDB := dbtest.SetupSlasherDB(t)
|
|
ctx := context.Background()
|
|
// For a list of input attestations, check that we can
|
|
// indeed check there could exist a double vote offense
|
|
// within the list with respect to other entries in the list.
|
|
atts := []*slashertypes.IndexedAttestationWrapper{
|
|
createAttestationWrapper(t, 0, 1, []uint64{1, 2}, []byte{1}),
|
|
createAttestationWrapper(t, 0, 2, []uint64{1, 2}, []byte{1}),
|
|
createAttestationWrapper(t, 0, 2, []uint64{1, 2}, []byte{2}), // Different signing root.
|
|
}
|
|
srv := &Service{
|
|
serviceCfg: &ServiceConfig{
|
|
Database: slasherDB,
|
|
StateNotifier: &mock.MockStateNotifier{},
|
|
},
|
|
params: DefaultParams(),
|
|
}
|
|
prev1 := createAttestationWrapper(t, 0, 2, []uint64{1, 2}, []byte{1})
|
|
cur1 := createAttestationWrapper(t, 0, 2, []uint64{1, 2}, []byte{2})
|
|
prev2 := createAttestationWrapper(t, 0, 2, []uint64{1, 2}, []byte{1})
|
|
cur2 := createAttestationWrapper(t, 0, 2, []uint64{1, 2}, []byte{2})
|
|
wanted := []*ethpb.AttesterSlashing{
|
|
{
|
|
Attestation_1: prev1.IndexedAttestation,
|
|
Attestation_2: cur1.IndexedAttestation,
|
|
},
|
|
{
|
|
Attestation_1: prev2.IndexedAttestation,
|
|
Attestation_2: cur2.IndexedAttestation,
|
|
},
|
|
}
|
|
slashings, err := srv.checkDoubleVotes(ctx, atts)
|
|
require.NoError(t, err)
|
|
require.DeepEqual(t, wanted, slashings)
|
|
}
|
|
|
|
func Test_checkDoubleVotes_SlashableAttestationsOnDisk(t *testing.T) {
|
|
slasherDB := dbtest.SetupSlasherDB(t)
|
|
ctx := context.Background()
|
|
// For a list of input attestations, check that we can
|
|
// indeed check there could exist a double vote offense
|
|
// within the list with respect to previous entries in the db.
|
|
prevAtts := []*slashertypes.IndexedAttestationWrapper{
|
|
createAttestationWrapper(t, 0, 1, []uint64{1, 2}, []byte{1}),
|
|
createAttestationWrapper(t, 0, 2, []uint64{1, 2}, []byte{1}),
|
|
}
|
|
srv := &Service{
|
|
serviceCfg: &ServiceConfig{
|
|
Database: slasherDB,
|
|
StateNotifier: &mock.MockStateNotifier{},
|
|
},
|
|
params: DefaultParams(),
|
|
}
|
|
err := slasherDB.SaveAttestationRecordsForValidators(ctx, prevAtts)
|
|
require.NoError(t, err)
|
|
|
|
prev1 := createAttestationWrapper(t, 0, 2, []uint64{1, 2}, []byte{1})
|
|
cur1 := createAttestationWrapper(t, 0, 2, []uint64{1, 2}, []byte{2})
|
|
prev2 := createAttestationWrapper(t, 0, 2, []uint64{1, 2}, []byte{1})
|
|
cur2 := createAttestationWrapper(t, 0, 2, []uint64{1, 2}, []byte{2})
|
|
wanted := []*ethpb.AttesterSlashing{
|
|
{
|
|
Attestation_1: prev1.IndexedAttestation,
|
|
Attestation_2: cur1.IndexedAttestation,
|
|
},
|
|
{
|
|
Attestation_1: prev2.IndexedAttestation,
|
|
Attestation_2: cur2.IndexedAttestation,
|
|
},
|
|
}
|
|
newAtts := []*slashertypes.IndexedAttestationWrapper{
|
|
createAttestationWrapper(t, 0, 2, []uint64{1, 2}, []byte{2}), // Different signing root.
|
|
}
|
|
slashings, err := srv.checkDoubleVotes(ctx, newAtts)
|
|
require.NoError(t, err)
|
|
require.DeepEqual(t, wanted, slashings)
|
|
}
|
|
|
|
func Test_loadChunks_MinSpans(t *testing.T) {
|
|
testLoadChunks(t, slashertypes.MinSpan)
|
|
}
|
|
|
|
func Test_loadChunks_MaxSpans(t *testing.T) {
|
|
testLoadChunks(t, slashertypes.MaxSpan)
|
|
}
|
|
|
|
func testLoadChunks(t *testing.T, kind slashertypes.ChunkKind) {
|
|
slasherDB := dbtest.SetupSlasherDB(t)
|
|
ctx := context.Background()
|
|
|
|
// Check if the chunk at chunk index already exists in-memory.
|
|
params := DefaultParams()
|
|
s := &Service{
|
|
params: DefaultParams(),
|
|
serviceCfg: &ServiceConfig{
|
|
Database: slasherDB,
|
|
StateNotifier: &mock.MockStateNotifier{},
|
|
},
|
|
}
|
|
// If a chunk at a chunk index does not exist, ensure it
|
|
// is initialized as an empty chunk.
|
|
var emptyChunk Chunker
|
|
if kind == slashertypes.MinSpan {
|
|
emptyChunk = EmptyMinSpanChunksSlice(params)
|
|
} else {
|
|
emptyChunk = EmptyMaxSpanChunksSlice(params)
|
|
}
|
|
chunkIdx := uint64(2)
|
|
received, err := s.loadChunks(ctx, &chunkUpdateArgs{
|
|
validatorChunkIndex: 0,
|
|
kind: kind,
|
|
}, []uint64{chunkIdx})
|
|
require.NoError(t, err)
|
|
wanted := map[uint64]Chunker{
|
|
chunkIdx: emptyChunk,
|
|
}
|
|
require.DeepEqual(t, wanted, received)
|
|
|
|
// Save chunks to disk, then load them properly from disk.
|
|
var existingChunk Chunker
|
|
if kind == slashertypes.MinSpan {
|
|
existingChunk = EmptyMinSpanChunksSlice(params)
|
|
} else {
|
|
existingChunk = EmptyMaxSpanChunksSlice(params)
|
|
}
|
|
validatorIdx := types.ValidatorIndex(0)
|
|
epochInChunk := types.Epoch(0)
|
|
targetEpoch := types.Epoch(2)
|
|
err = setChunkDataAtEpoch(
|
|
params,
|
|
existingChunk.Chunk(),
|
|
validatorIdx,
|
|
epochInChunk,
|
|
targetEpoch,
|
|
)
|
|
require.NoError(t, err)
|
|
require.DeepNotEqual(t, existingChunk, emptyChunk)
|
|
|
|
updatedChunks := map[uint64]Chunker{
|
|
2: existingChunk,
|
|
4: existingChunk,
|
|
6: existingChunk,
|
|
}
|
|
err = s.saveUpdatedChunks(
|
|
ctx,
|
|
&chunkUpdateArgs{
|
|
validatorChunkIndex: 0,
|
|
kind: kind,
|
|
},
|
|
updatedChunks,
|
|
)
|
|
require.NoError(t, err)
|
|
// Check if the retrieved chunks match what we just saved to disk.
|
|
received, err = s.loadChunks(ctx, &chunkUpdateArgs{
|
|
validatorChunkIndex: 0,
|
|
kind: kind,
|
|
}, []uint64{2, 4, 6})
|
|
require.NoError(t, err)
|
|
require.DeepEqual(t, updatedChunks, received)
|
|
}
|
|
|
|
func TestService_processQueuedAttestations(t *testing.T) {
|
|
hook := logTest.NewGlobal()
|
|
slasherDB := dbtest.SetupSlasherDB(t)
|
|
|
|
beaconState, err := util.NewBeaconState()
|
|
require.NoError(t, err)
|
|
slot, err := slots.EpochStart(1)
|
|
require.NoError(t, err)
|
|
require.NoError(t, beaconState.SetSlot(slot))
|
|
mockChain := &mock.ChainService{
|
|
State: beaconState,
|
|
Slot: &slot,
|
|
}
|
|
|
|
s := &Service{
|
|
params: DefaultParams(),
|
|
serviceCfg: &ServiceConfig{
|
|
Database: slasherDB,
|
|
StateNotifier: &mock.MockStateNotifier{},
|
|
HeadStateFetcher: mockChain,
|
|
},
|
|
attsQueue: newAttestationsQueue(),
|
|
}
|
|
|
|
s.attsQueue.extend([]*slashertypes.IndexedAttestationWrapper{
|
|
createAttestationWrapper(t, 0, 1, []uint64{0, 1} /* indices */, nil /* signingRoot */),
|
|
})
|
|
ctx, cancel := context.WithCancel(context.Background())
|
|
tickerChan := make(chan types.Slot)
|
|
exitChan := make(chan struct{})
|
|
go func() {
|
|
s.processQueuedAttestations(ctx, tickerChan)
|
|
exitChan <- struct{}{}
|
|
}()
|
|
|
|
// Send a value over the ticker.
|
|
tickerChan <- 1
|
|
cancel()
|
|
<-exitChan
|
|
assert.LogsContain(t, hook, "Processing queued")
|
|
}
|
|
|
|
func BenchmarkCheckSlashableAttestations(b *testing.B) {
|
|
slasherDB := dbtest.SetupSlasherDB(b)
|
|
|
|
beaconState, err := util.NewBeaconState()
|
|
require.NoError(b, err)
|
|
slot := types.Slot(0)
|
|
mockChain := &mock.ChainService{
|
|
State: beaconState,
|
|
Slot: &slot,
|
|
}
|
|
|
|
s := &Service{
|
|
params: DefaultParams(),
|
|
serviceCfg: &ServiceConfig{
|
|
Database: slasherDB,
|
|
StateNotifier: &mock.MockStateNotifier{},
|
|
HeadStateFetcher: mockChain,
|
|
},
|
|
attsQueue: newAttestationsQueue(),
|
|
}
|
|
|
|
b.Run("1 attestation 1 validator", func(b *testing.B) {
|
|
b.ResetTimer()
|
|
runAttestationsBenchmark(b, s, 1, 1 /* validator */)
|
|
})
|
|
b.Run("1 attestation 100 validators", func(b *testing.B) {
|
|
b.ResetTimer()
|
|
runAttestationsBenchmark(b, s, 1, 100 /* validator */)
|
|
})
|
|
b.Run("1 attestation 1000 validators", func(b *testing.B) {
|
|
b.ResetTimer()
|
|
runAttestationsBenchmark(b, s, 1, 1000 /* validator */)
|
|
})
|
|
|
|
b.Run("100 attestations 1 validator", func(b *testing.B) {
|
|
b.ResetTimer()
|
|
runAttestationsBenchmark(b, s, 100, 1 /* validator */)
|
|
})
|
|
b.Run("100 attestations 100 validators", func(b *testing.B) {
|
|
b.ResetTimer()
|
|
runAttestationsBenchmark(b, s, 100, 100 /* validator */)
|
|
})
|
|
b.Run("100 attestations 1000 validators", func(b *testing.B) {
|
|
b.ResetTimer()
|
|
runAttestationsBenchmark(b, s, 100, 1000 /* validator */)
|
|
})
|
|
|
|
b.Run("1000 attestations 1 validator", func(b *testing.B) {
|
|
b.ResetTimer()
|
|
runAttestationsBenchmark(b, s, 1000, 1 /* validator */)
|
|
})
|
|
b.Run("1000 attestations 100 validators", func(b *testing.B) {
|
|
b.ResetTimer()
|
|
runAttestationsBenchmark(b, s, 1000, 100 /* validator */)
|
|
})
|
|
b.Run("1000 attestations 1000 validators", func(b *testing.B) {
|
|
b.ResetTimer()
|
|
runAttestationsBenchmark(b, s, 1000, 1000 /* validator */)
|
|
})
|
|
}
|
|
|
|
func runAttestationsBenchmark(b *testing.B, s *Service, numAtts, numValidators uint64) {
|
|
indices := make([]uint64, numValidators)
|
|
for i := uint64(0); i < numValidators; i++ {
|
|
indices[i] = i
|
|
}
|
|
atts := make([]*slashertypes.IndexedAttestationWrapper, numAtts)
|
|
for i := uint64(0); i < numAtts; i++ {
|
|
source := types.Epoch(i)
|
|
target := types.Epoch(i + 1)
|
|
signingRoot := [32]byte{}
|
|
copy(signingRoot[:], fmt.Sprintf("%d", i))
|
|
atts[i] = createAttestationWrapper(
|
|
b,
|
|
source,
|
|
target, /* target */
|
|
indices, /* indices */
|
|
signingRoot[:], /* signingRoot */
|
|
)
|
|
}
|
|
for i := 0; i < b.N; i++ {
|
|
numEpochs := numAtts
|
|
totalSeconds := numEpochs * uint64(params.BeaconConfig().SlotsPerEpoch) * params.BeaconConfig().SecondsPerSlot
|
|
genesisTime := time.Now().Add(-time.Second * time.Duration(totalSeconds))
|
|
s.genesisTime = genesisTime
|
|
|
|
epoch := slots.EpochsSinceGenesis(genesisTime)
|
|
_, err := s.checkSlashableAttestations(context.Background(), epoch, atts)
|
|
require.NoError(b, err)
|
|
}
|
|
}
|
|
|
|
func createAttestationWrapper(t testing.TB, source, target types.Epoch, indices []uint64, signingRoot []byte) *slashertypes.IndexedAttestationWrapper {
|
|
data := ðpb.AttestationData{
|
|
BeaconBlockRoot: bytesutil.PadTo(signingRoot, 32),
|
|
Source: ðpb.Checkpoint{
|
|
Epoch: source,
|
|
Root: params.BeaconConfig().ZeroHash[:],
|
|
},
|
|
Target: ðpb.Checkpoint{
|
|
Epoch: target,
|
|
Root: params.BeaconConfig().ZeroHash[:],
|
|
},
|
|
}
|
|
signRoot, err := data.HashTreeRoot()
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
return &slashertypes.IndexedAttestationWrapper{
|
|
IndexedAttestation: ðpb.IndexedAttestation{
|
|
AttestingIndices: indices,
|
|
Data: data,
|
|
Signature: params.BeaconConfig().EmptySignature[:],
|
|
},
|
|
SigningRoot: signRoot,
|
|
}
|
|
}
|