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stress_test.go
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stress_test.go
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// Copyright 2019 the orbs-network-go authors
// This file is part of the orbs-network-go library in the Orbs project.
//
// This source code is licensed under the MIT license found in the LICENSE file in the root directory of this source tree.
// The above notice should be included in all copies or substantial portions of the software.
package acceptance
import (
"context"
"github.com/orbs-network/orbs-network-go/services/gossip/adapter"
. "github.com/orbs-network/orbs-network-go/services/gossip/adapter/testkit"
"github.com/orbs-network/orbs-network-go/services/processor/native/repository/BenchmarkToken"
"github.com/orbs-network/orbs-network-go/test/rand"
"github.com/orbs-network/orbs-spec/types/go/primitives"
"github.com/stretchr/testify/require"
"testing"
"time"
)
// Control group - if this fails, there are bugs unrelated to message tampering
func TestGazillionTxHappyFlow(t *testing.T) {
rnd := rand.NewControlledRand(t)
NewHarness().
Start(t, func(t testing.TB, ctx context.Context, network *Network) {
sendTransfersAndAssertTotalBalance(ctx, network, t, 200, rnd)
})
}
func TestGazillionTxWhileDuplicatingMessages(t *testing.T) {
rnd := rand.NewControlledRand(t)
getStressTestHarness().
AllowingErrors(
"error adding forwarded transaction to pending pool", // because we duplicate, among other messages, the transaction propagation message
"already stored Preprepare.*", // because LH will try to store PREPREPARE twice - see lean-helix-go at term_in_committee.go:validatePreprepare()
).
Start(t, func(t testing.TB, ctx context.Context, network *Network) {
network.TransportTamperer().Duplicate(WithPercentChance(rnd, 15))
sendTransfersAndAssertTotalBalance(ctx, network, t, 100, rnd)
})
}
// TODO (v1) Must drop message from up to "f" fixed nodes (for 4 nodes f=1)
func TestGazillionTxWhileDroppingMessages(t *testing.T) {
rnd := rand.NewControlledRand(t)
getStressTestHarness().
WithTestTimeout(time.Minute). // dropped messages cause LH view progression and the test takes longer
Start(t, func(t testing.TB, ctx context.Context, network *Network) {
network.TransportTamperer().Fail(HasHeader(AConsensusMessage).And(WithPercentChance(rnd, 3)))
sendTransfersAndAssertTotalBalance(ctx, network, t, 100, rnd)
})
}
// See BLOCK_SYNC_COLLECT_CHUNKS_TIMEOUT - cannot delay messages consistently more than that, or block sync will never work - it throws "timed out when waiting for chunks"
func TestGazillionTxWhileDelayingMessages(t *testing.T) {
rnd := rand.NewControlledRand(t)
getStressTestHarness().
Start(t, func(t testing.TB, ctx context.Context, network *Network) {
network.TransportTamperer().Delay(func() time.Duration {
return (time.Duration(rnd.Intn(50))) * time.Millisecond
}, WithPercentChance(rnd, 30))
sendTransfersAndAssertTotalBalance(ctx, network, t, 100, rnd)
})
}
// TODO (v1) Must corrupt message from up to "f" fixed nodes (for 4 nodes f=1)
func TestGazillionTxWhileCorruptingMessages(t *testing.T) {
t.Skip("This should work - fix and remove Skip")
rnd := rand.NewControlledRand(t)
NewHarness().
AllowingErrors(
"transport header is corrupt", // because we corrupt messages
).
Start(t, func(t testing.TB, ctx context.Context, network *Network) {
tamper := network.TransportTamperer().Corrupt(Not(HasHeader(ATransactionRelayMessage)).And(WithPercentChance(rnd, 15)), rnd)
sendTransfersAndAssertTotalBalance(ctx, network, t, 90, rnd)
tamper.StopTampering(ctx)
sendTransfersAndAssertTotalBalance(ctx, network, t, 10, rnd)
})
}
func WithPercentChance(ctrlRand *rand.ControlledRand, pct int) MessagePredicate {
return func(data *adapter.TransportData) bool {
if pct >= 100 {
return true
} else if pct <= 0 {
return false
} else {
return ctrlRand.Intn(101) <= pct
}
}
}
func TestWithNPctChance_AlwaysTrue(t *testing.T) {
ctrlRand := rand.NewControlledRand(t)
require.True(t, WithPercentChance(ctrlRand, 100)(nil), "100% chance should always return true")
}
func TestWithNPctChance_AlwaysFalse(t *testing.T) {
ctrlRand := rand.NewControlledRand(t)
require.False(t, WithPercentChance(ctrlRand, 0)(nil), "0% chance should always return false")
}
func TestWithNPctChance_ManualCheck(t *testing.T) {
ctrlRand := rand.NewControlledRand(t)
tries := 1000
pct := ctrlRand.Intn(100)
hits := 0
for i := 0; i < tries; i++ {
if WithPercentChance(ctrlRand, pct)(nil) {
hits++
}
}
t.Logf("Manual test for WithPercentChance: Tries=%d Chance=%d%% Hits=%d\n", tries, pct, hits)
}
func sendTransfersAndAssertTotalBalance(ctx context.Context, network *Network, t testing.TB, numTransactions int, ctrlRand *rand.ControlledRand) (transferDuration time.Duration, waitDuration time.Duration) {
fromAddress := 5
toAddress := 6
contract := network.DeployBenchmarkTokenContract(ctx, fromAddress)
start := time.Now()
var expectedSum uint64 = 0
var txHashes []primitives.Sha256
for i := 0; i < numTransactions; i++ {
amount := uint64(ctrlRand.Int63n(100))
expectedSum += amount
txHash := contract.TransferInBackground(ctx, ctrlRand.Intn(network.Size()), amount, fromAddress, toAddress)
txHashes = append(txHashes, txHash)
}
transferDuration = time.Since(start)
startWaiting := time.Now()
for _, txHash := range txHashes {
network.WaitForTransactionInState(ctx, txHash)
}
waitDuration = time.Since(startWaiting)
for i := 0; i < network.Size(); i++ {
actualSum := contract.GetBalance(ctx, i, toAddress)
require.EqualValuesf(t, expectedSum, actualSum, "recipient balance did not equal expected balance in node %d", i)
actualRemainder := contract.GetBalance(ctx, i, fromAddress)
require.EqualValuesf(t, benchmarktoken.TOTAL_SUPPLY-expectedSum, actualRemainder, "sender balance did not equal expected balance in node %d", i)
}
return
}