core: add benchmark for (*NEO).getGASPerVote

This commit is contained in:
Anna Shaleva 2021-12-29 13:36:10 +03:00
parent 8c6de35ec2
commit 9879514412
2 changed files with 141 additions and 1 deletions

View file

@ -10,6 +10,7 @@ import (
"math/big"
"os"
"path"
"path/filepath"
"strings"
"testing"
"time"
@ -68,6 +69,27 @@ func newTestChainWithCustomCfgAndStore(t testing.TB, st storage.Store, f func(*c
return chain
}
func newLevelDBForTesting(t testing.TB) storage.Store {
ldbDir := t.TempDir()
dbConfig := storage.DBConfiguration{
Type: "leveldb",
LevelDBOptions: storage.LevelDBOptions{
DataDirectoryPath: ldbDir,
},
}
newLevelStore, err := storage.NewLevelDBStore(dbConfig.LevelDBOptions)
require.Nil(t, err, "NewLevelDBStore error")
return newLevelStore
}
func newBoltStoreForTesting(t testing.TB) storage.Store {
d := t.TempDir()
testFileName := filepath.Join(d, "test_bolt_db")
boltDBStore, err := storage.NewBoltDBStore(storage.BoltDBOptions{FilePath: testFileName})
require.NoError(t, err)
return boltDBStore
}
func initTestChain(t testing.TB, st storage.Store, f func(*config.Config)) *Blockchain {
unitTestNetCfg, err := config.Load("../../config", testchain.Network())
require.NoError(t, err)

View file

@ -1,6 +1,7 @@
package core
import (
"fmt"
"math"
"math/big"
"sort"
@ -10,6 +11,7 @@ import (
"github.com/nspcc-dev/neo-go/internal/testchain"
"github.com/nspcc-dev/neo-go/pkg/config/netmode"
"github.com/nspcc-dev/neo-go/pkg/core/native"
"github.com/nspcc-dev/neo-go/pkg/core/storage"
"github.com/nspcc-dev/neo-go/pkg/core/transaction"
"github.com/nspcc-dev/neo-go/pkg/crypto/keys"
"github.com/nspcc-dev/neo-go/pkg/io"
@ -31,7 +33,7 @@ func setSigner(tx *transaction.Transaction, h util.Uint160) {
}}
}
func checkTxHalt(t *testing.T, bc *Blockchain, h util.Uint256) {
func checkTxHalt(t testing.TB, bc *Blockchain, h util.Uint256) {
aer, err := bc.GetAppExecResults(h, trigger.Application)
require.NoError(t, err)
require.Equal(t, 1, len(aer))
@ -476,3 +478,119 @@ func newAccountWithGAS(t *testing.T, bc *Blockchain) *wallet.Account {
transferTokenFromMultisigAccount(t, bc, acc.PrivateKey().GetScriptHash(), bc.contracts.GAS.Hash, 1000_00000000)
return acc
}
func BenchmarkNEO_GetGASPerVote(t *testing.B) {
var stores = map[string]func(testing.TB) storage.Store{
"MemPS": func(t testing.TB) storage.Store {
return storage.NewMemoryStore()
},
"BoltPS": newBoltStoreForTesting,
"LevelPS": newLevelDBForTesting,
}
for psName, newPS := range stores {
for nRewardRecords := 10; nRewardRecords <= 1000; nRewardRecords *= 10 {
for rewardDistance := 1; rewardDistance <= 1000; rewardDistance *= 10 {
t.Run(fmt.Sprintf("%s_%dRewardRecords_%dRewardDistance", psName, nRewardRecords, rewardDistance), func(t *testing.B) {
ps := newPS(t)
t.Cleanup(func() { ps.Close() })
benchmarkGasPerVote(t, ps, nRewardRecords, rewardDistance)
})
}
}
}
}
func benchmarkGasPerVote(t *testing.B, ps storage.Store, nRewardRecords int, rewardDistance int) {
bc := newTestChainWithCustomCfgAndStore(t, ps, nil)
neo := bc.contracts.NEO
tx := transaction.New([]byte{byte(opcode.PUSH1)}, 0)
ic := bc.newInteropContext(trigger.Application, bc.dao, nil, tx)
ic.SpawnVM()
ic.Block = bc.newBlock(tx)
advanceChain := func(t *testing.B, count int) {
for i := 0; i < count; i++ {
require.NoError(t, bc.AddBlock(bc.newBlock()))
ic.Block.Index++
}
}
// Vote for new committee.
sz := testchain.CommitteeSize()
accs := make([]*wallet.Account, sz)
candidates := make(keys.PublicKeys, sz)
txs := make([]*transaction.Transaction, 0, len(accs))
for i := 0; i < sz; i++ {
priv, err := keys.NewPrivateKey()
require.NoError(t, err)
candidates[i] = priv.PublicKey()
accs[i], err = wallet.NewAccount()
require.NoError(t, err)
require.NoError(t, neo.RegisterCandidateInternal(ic, candidates[i]))
to := accs[i].Contract.ScriptHash()
w := io.NewBufBinWriter()
emit.AppCall(w.BinWriter, bc.contracts.NEO.Hash, "transfer", callflag.All,
neoOwner.BytesBE(), to.BytesBE(),
big.NewInt(int64(sz-i)*1000000).Int64(), nil)
emit.Opcodes(w.BinWriter, opcode.ASSERT)
emit.AppCall(w.BinWriter, bc.contracts.GAS.Hash, "transfer", callflag.All,
neoOwner.BytesBE(), to.BytesBE(),
int64(1_000_000_000), nil)
emit.Opcodes(w.BinWriter, opcode.ASSERT)
require.NoError(t, w.Err)
tx := transaction.New(w.Bytes(), 1000_000_000)
tx.ValidUntilBlock = bc.BlockHeight() + 1
setSigner(tx, testchain.MultisigScriptHash())
require.NoError(t, testchain.SignTx(bc, tx))
txs = append(txs, tx)
}
require.NoError(t, bc.AddBlock(bc.newBlock(txs...)))
for _, tx := range txs {
checkTxHalt(t, bc, tx.Hash())
}
for i := 0; i < sz; i++ {
priv := accs[i].PrivateKey()
h := priv.GetScriptHash()
setSigner(tx, h)
ic.VM.Load(priv.PublicKey().GetVerificationScript())
require.NoError(t, neo.VoteInternal(ic, h, candidates[i]))
}
_, err := ic.DAO.Persist()
require.NoError(t, err)
// Collect set of nRewardRecords reward records for each voter.
advanceChain(t, nRewardRecords*testchain.CommitteeSize())
// Transfer some more NEO to first voter to update his balance height.
to := accs[0].Contract.ScriptHash()
w := io.NewBufBinWriter()
emit.AppCall(w.BinWriter, bc.contracts.NEO.Hash, "transfer", callflag.All,
neoOwner.BytesBE(), to.BytesBE(), int64(1), nil)
emit.Opcodes(w.BinWriter, opcode.ASSERT)
require.NoError(t, w.Err)
tx = transaction.New(w.Bytes(), 1000_000_000)
tx.ValidUntilBlock = bc.BlockHeight() + 1
setSigner(tx, testchain.MultisigScriptHash())
require.NoError(t, testchain.SignTx(bc, tx))
require.NoError(t, bc.AddBlock(bc.newBlock(tx)))
aer, err := bc.GetAppExecResults(tx.Hash(), trigger.Application)
require.NoError(t, err)
require.Equal(t, 1, len(aer))
require.Equal(t, vm.HaltState, aer[0].VMState, aer[0].FaultException)
// Advance chain one more time to avoid same start/end rewarding bounds.
advanceChain(t, rewardDistance)
end := bc.BlockHeight()
t.ResetTimer()
t.ReportAllocs()
t.StartTimer()
for i := 0; i < t.N; i++ {
_, err := neo.CalculateBonus(ic.DAO, to, end)
require.NoError(t, err)
}
t.StopTimer()
}