lotus/itests/wdpost_dispute_test.go

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//stm: #integration
package itests
import (
"context"
"testing"
"time"
"github.com/filecoin-project/go-address"
"github.com/filecoin-project/go-bitfield"
"github.com/filecoin-project/go-state-types/crypto"
"github.com/filecoin-project/go-state-types/dline"
"github.com/filecoin-project/lotus/api"
"github.com/filecoin-project/lotus/build"
"github.com/filecoin-project/lotus/chain/actors"
minerActor "github.com/filecoin-project/lotus/chain/actors/builtin/miner"
"github.com/filecoin-project/lotus/chain/types"
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"github.com/filecoin-project/lotus/itests/kit"
proof3 "github.com/filecoin-project/specs-actors/v3/actors/runtime/proof"
"github.com/stretchr/testify/require"
)
func TestWindowPostDispute(t *testing.T) {
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//stm: @CHAIN_SYNCER_LOAD_GENESIS_001, @CHAIN_SYNCER_FETCH_TIPSET_001,
//stm: @CHAIN_SYNCER_START_001, @CHAIN_SYNCER_SYNC_001, @BLOCKCHAIN_BEACON_VALIDATE_BLOCK_VALUES_01
//stm: @CHAIN_SYNCER_COLLECT_CHAIN_001, @CHAIN_SYNCER_COLLECT_HEADERS_001, @CHAIN_SYNCER_VALIDATE_TIPSET_001
//stm: @CHAIN_SYNCER_NEW_PEER_HEAD_001, @CHAIN_SYNCER_VALIDATE_MESSAGE_META_001, @CHAIN_SYNCER_STOP_001
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//stm: @CHAIN_INCOMING_HANDLE_INCOMING_BLOCKS_001, @CHAIN_INCOMING_VALIDATE_BLOCK_PUBSUB_001, @CHAIN_INCOMING_VALIDATE_MESSAGE_PUBSUB_001
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kit.Expensive(t)
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kit.QuietMiningLogs()
blocktime := 2 * time.Millisecond
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
var (
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client kit.TestFullNode
chainMiner kit.TestMiner
evilMiner kit.TestMiner
)
// First, we configure two miners. After sealing, we're going to turn off the first miner so
// it doesn't submit proofs.
//
// Then we're going to manually submit bad proofs.
opts := []kit.NodeOpt{kit.WithAllSubsystems()}
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ens := kit.NewEnsemble(t, kit.MockProofs()).
FullNode(&client, opts...).
Miner(&chainMiner, &client, opts...).
Miner(&evilMiner, &client, append(opts, kit.PresealSectors(0))...).
Start()
defaultFrom, err := client.WalletDefaultAddress(ctx)
require.NoError(t, err)
// Mine with the _second_ node (the good one).
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ens.InterconnectAll().BeginMining(blocktime, &chainMiner)
// Give the chain miner enough sectors to win every block.
chainMiner.PledgeSectors(ctx, 10, 0, nil)
// And the evil one 1 sector. No cookie for you.
evilMiner.PledgeSectors(ctx, 1, 0, nil)
// Let the evil miner's sectors gain power.
evilMinerAddr, err := evilMiner.ActorAddress(ctx)
require.NoError(t, err)
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//stm: @CHAIN_STATE_MINER_CALCULATE_DEADLINE_001
di, err := client.StateMinerProvingDeadline(ctx, evilMinerAddr, types.EmptyTSK)
require.NoError(t, err)
t.Logf("Running one proving period\n")
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waitUntil := di.PeriodStart + di.WPoStProvingPeriod*2 + 1
t.Logf("End for head.Height > %d", waitUntil)
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ts := client.WaitTillChain(ctx, kit.HeightAtLeast(waitUntil))
t.Logf("Now head.Height = %d", ts.Height())
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//stm: @CHAIN_STATE_MINER_POWER_001
p, err := client.StateMinerPower(ctx, evilMinerAddr, types.EmptyTSK)
require.NoError(t, err)
ssz, err := evilMiner.ActorSectorSize(ctx, evilMinerAddr)
require.NoError(t, err)
// make sure it has gained power.
require.Equal(t, p.MinerPower.RawBytePower, types.NewInt(uint64(ssz)))
evilSectors, err := evilMiner.SectorsList(ctx)
require.NoError(t, err)
evilSectorNo := evilSectors[0] // only one.
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//stm: @CHAIN_STATE_SECTOR_PARTITION_001
evilSectorLoc, err := client.StateSectorPartition(ctx, evilMinerAddr, evilSectorNo, types.EmptyTSK)
require.NoError(t, err)
t.Log("evil miner stopping")
// Now stop the evil miner, and start manually submitting bad proofs.
require.NoError(t, evilMiner.Stop(ctx))
t.Log("evil miner stopped")
// Wait until we need to prove our sector.
for {
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//stm: @CHAIN_STATE_MINER_CALCULATE_DEADLINE_001
di, err = client.StateMinerProvingDeadline(ctx, evilMinerAddr, types.EmptyTSK)
require.NoError(t, err)
if di.Index == evilSectorLoc.Deadline && di.CurrentEpoch-di.PeriodStart > 1 {
break
}
build.Clock.Sleep(blocktime)
}
err = submitBadProof(ctx, client, evilMiner.OwnerKey.Address, evilMinerAddr, di, evilSectorLoc.Deadline, evilSectorLoc.Partition)
require.NoError(t, err, "evil proof not accepted")
// Wait until after the proving period.
for {
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//stm: @CHAIN_STATE_MINER_CALCULATE_DEADLINE_001
di, err = client.StateMinerProvingDeadline(ctx, evilMinerAddr, types.EmptyTSK)
require.NoError(t, err)
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if di.Index != evilSectorLoc.Deadline {
break
}
build.Clock.Sleep(blocktime)
}
t.Log("accepted evil proof")
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//stm: @CHAIN_STATE_MINER_POWER_001
// Make sure the evil node didn't lose any power.
p, err = client.StateMinerPower(ctx, evilMinerAddr, types.EmptyTSK)
require.NoError(t, err)
require.Equal(t, p.MinerPower.RawBytePower, types.NewInt(uint64(ssz)))
// OBJECTION! The good miner files a DISPUTE!!!!
{
params := &minerActor.DisputeWindowedPoStParams{
Deadline: evilSectorLoc.Deadline,
PoStIndex: 0,
}
enc, aerr := actors.SerializeParams(params)
require.NoError(t, aerr)
msg := &types.Message{
To: evilMinerAddr,
Method: minerActor.Methods.DisputeWindowedPoSt,
Params: enc,
Value: types.NewInt(0),
From: defaultFrom,
}
sm, err := client.MpoolPushMessage(ctx, msg, nil)
require.NoError(t, err)
t.Log("waiting dispute")
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//stm: @CHAIN_STATE_WAIT_MSG_001
rec, err := client.StateWaitMsg(ctx, sm.Cid(), build.MessageConfidence, api.LookbackNoLimit, true)
require.NoError(t, err)
require.Zero(t, rec.Receipt.ExitCode, "dispute not accepted: %s", rec.Receipt.ExitCode.Error())
}
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//stm: @CHAIN_STATE_MINER_POWER_001
// Objection SUSTAINED!
// Make sure the evil node lost power.
p, err = client.StateMinerPower(ctx, evilMinerAddr, types.EmptyTSK)
require.NoError(t, err)
require.True(t, p.MinerPower.RawBytePower.IsZero())
// Now we begin the redemption arc.
require.True(t, p.MinerPower.RawBytePower.IsZero())
// First, recover the sector.
{
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//stm: @CHAIN_STATE_MINER_INFO_001
minerInfo, err := client.StateMinerInfo(ctx, evilMinerAddr, types.EmptyTSK)
require.NoError(t, err)
params := &minerActor.DeclareFaultsRecoveredParams{
Recoveries: []minerActor.RecoveryDeclaration{{
Deadline: evilSectorLoc.Deadline,
Partition: evilSectorLoc.Partition,
Sectors: bitfield.NewFromSet([]uint64{uint64(evilSectorNo)}),
}},
}
enc, aerr := actors.SerializeParams(params)
require.NoError(t, aerr)
msg := &types.Message{
To: evilMinerAddr,
Method: minerActor.Methods.DeclareFaultsRecovered,
Params: enc,
Value: types.FromFil(30), // repay debt.
From: minerInfo.Owner,
}
sm, err := client.MpoolPushMessage(ctx, msg, nil)
require.NoError(t, err)
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//stm: @CHAIN_STATE_WAIT_MSG_001
rec, err := client.StateWaitMsg(ctx, sm.Cid(), build.MessageConfidence, api.LookbackNoLimit, true)
require.NoError(t, err)
require.Zero(t, rec.Receipt.ExitCode, "recovery not accepted: %s", rec.Receipt.ExitCode.Error())
}
// Then wait for the deadline.
for {
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//stm: @CHAIN_STATE_MINER_CALCULATE_DEADLINE_001
di, err = client.StateMinerProvingDeadline(ctx, evilMinerAddr, types.EmptyTSK)
require.NoError(t, err)
if di.Index == evilSectorLoc.Deadline {
break
}
build.Clock.Sleep(blocktime)
}
// Now try to be evil again
err = submitBadProof(ctx, client, evilMiner.OwnerKey.Address, evilMinerAddr, di, evilSectorLoc.Deadline, evilSectorLoc.Partition)
require.Error(t, err)
require.Contains(t, err.Error(), "message execution failed: exit 16, reason: window post failed: invalid PoSt")
// It didn't work because we're recovering.
}
func TestWindowPostDisputeFails(t *testing.T) {
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//stm: @CHAIN_SYNCER_LOAD_GENESIS_001, @CHAIN_SYNCER_FETCH_TIPSET_001,
//stm: @CHAIN_SYNCER_START_001, @CHAIN_SYNCER_SYNC_001, @BLOCKCHAIN_BEACON_VALIDATE_BLOCK_VALUES_01
//stm: @CHAIN_SYNCER_COLLECT_CHAIN_001, @CHAIN_SYNCER_COLLECT_HEADERS_001, @CHAIN_SYNCER_VALIDATE_TIPSET_001
//stm: @CHAIN_SYNCER_NEW_PEER_HEAD_001, @CHAIN_SYNCER_VALIDATE_MESSAGE_META_001, @CHAIN_SYNCER_STOP_001
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//stm: @CHAIN_STATE_MINER_GET_DEADLINES_001
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kit.Expensive(t)
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kit.QuietMiningLogs()
blocktime := 2 * time.Millisecond
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
client, miner, ens := kit.EnsembleMinimal(t, kit.MockProofs())
ens.InterconnectAll().BeginMining(blocktime)
defaultFrom, err := client.WalletDefaultAddress(ctx)
require.NoError(t, err)
maddr, err := miner.ActorAddress(ctx)
require.NoError(t, err)
build.Clock.Sleep(time.Second)
miner.PledgeSectors(ctx, 10, 0, nil)
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//stm: @CHAIN_STATE_MINER_CALCULATE_DEADLINE_001
di, err := client.StateMinerProvingDeadline(ctx, maddr, types.EmptyTSK)
require.NoError(t, err)
t.Log("Running one proving period")
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waitUntil := di.PeriodStart + di.WPoStProvingPeriod*2 + 1
t.Logf("End for head.Height > %d", waitUntil)
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ts := client.WaitTillChain(ctx, kit.HeightAtLeast(waitUntil))
t.Logf("Now head.Height = %d", ts.Height())
ssz, err := miner.ActorSectorSize(ctx, maddr)
require.NoError(t, err)
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expectedPower := types.NewInt(uint64(ssz) * (kit.DefaultPresealsPerBootstrapMiner + 10))
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//stm: @CHAIN_STATE_MINER_POWER_001
p, err := client.StateMinerPower(ctx, maddr, types.EmptyTSK)
require.NoError(t, err)
// make sure it has gained power.
require.Equal(t, p.MinerPower.RawBytePower, expectedPower)
// Wait until a proof has been submitted.
var targetDeadline uint64
waitForProof:
for {
deadlines, err := client.StateMinerDeadlines(ctx, maddr, types.EmptyTSK)
require.NoError(t, err)
for dlIdx, dl := range deadlines {
nonEmpty, err := dl.PostSubmissions.IsEmpty()
require.NoError(t, err)
if nonEmpty {
targetDeadline = uint64(dlIdx)
break waitForProof
}
}
build.Clock.Sleep(blocktime)
}
for {
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//stm: @CHAIN_STATE_MINER_CALCULATE_DEADLINE_001
di, err := client.StateMinerProvingDeadline(ctx, maddr, types.EmptyTSK)
require.NoError(t, err)
// wait until the deadline finishes.
if di.Index == ((targetDeadline + 1) % di.WPoStPeriodDeadlines) {
break
}
build.Clock.Sleep(blocktime)
}
// Try to object to the proof. This should fail.
{
params := &minerActor.DisputeWindowedPoStParams{
Deadline: targetDeadline,
PoStIndex: 0,
}
enc, aerr := actors.SerializeParams(params)
require.NoError(t, aerr)
msg := &types.Message{
To: maddr,
Method: minerActor.Methods.DisputeWindowedPoSt,
Params: enc,
Value: types.NewInt(0),
From: defaultFrom,
}
_, err := client.MpoolPushMessage(ctx, msg, nil)
require.Error(t, err)
require.Contains(t, err.Error(), "failed to dispute valid post (RetCode=16)")
}
}
func submitBadProof(
ctx context.Context,
client api.FullNode, owner address.Address, maddr address.Address,
di *dline.Info, dlIdx, partIdx uint64,
) error {
head, err := client.ChainHead(ctx)
if err != nil {
return err
}
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//stm: @CHAIN_STATE_MINER_INFO_001
minerInfo, err := client.StateMinerInfo(ctx, maddr, head.Key())
if err != nil {
return err
}
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//stm: @CHAIN_STATE_GET_RANDOMNESS_FROM_TICKETS_001
commEpoch := di.Open
commRand, err := client.StateGetRandomnessFromTickets(
ctx, crypto.DomainSeparationTag_PoStChainCommit,
commEpoch, nil, head.Key(),
)
if err != nil {
return err
}
params := &minerActor.SubmitWindowedPoStParams{
ChainCommitEpoch: commEpoch,
ChainCommitRand: commRand,
Deadline: dlIdx,
Partitions: []minerActor.PoStPartition{{Index: partIdx}},
Proofs: []proof3.PoStProof{{
PoStProof: minerInfo.WindowPoStProofType,
ProofBytes: []byte("I'm soooo very evil."),
}},
}
enc, aerr := actors.SerializeParams(params)
if aerr != nil {
return aerr
}
msg := &types.Message{
To: maddr,
Method: minerActor.Methods.SubmitWindowedPoSt,
Params: enc,
Value: types.NewInt(0),
From: owner,
}
sm, err := client.MpoolPushMessage(ctx, msg, nil)
if err != nil {
return err
}
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//stm: @CHAIN_STATE_WAIT_MSG_001
rec, err := client.StateWaitMsg(ctx, sm.Cid(), build.MessageConfidence, api.LookbackNoLimit, true)
if err != nil {
return err
}
if rec.Receipt.ExitCode.IsError() {
return rec.Receipt.ExitCode
}
return nil
}