mirror of
https://github.com/nspcc-dev/neo-go.git
synced 2024-12-25 03:56:34 +00:00
1afd630169
In order to simplify maintainance of overall current senders` fees in the mempool we are to keep them in a separate map.
422 lines
14 KiB
Go
422 lines
14 KiB
Go
package mempool
|
|
|
|
import (
|
|
"sort"
|
|
"testing"
|
|
|
|
"github.com/nspcc-dev/neo-go/pkg/core/transaction"
|
|
"github.com/nspcc-dev/neo-go/pkg/internal/random"
|
|
"github.com/nspcc-dev/neo-go/pkg/util"
|
|
"github.com/stretchr/testify/assert"
|
|
"github.com/stretchr/testify/require"
|
|
)
|
|
|
|
type FeerStub struct {
|
|
lowPriority bool
|
|
feePerByte util.Fixed8
|
|
}
|
|
|
|
func (fs *FeerStub) IsLowPriority(util.Fixed8) bool {
|
|
return fs.lowPriority
|
|
}
|
|
|
|
func (fs *FeerStub) FeePerByte() util.Fixed8 {
|
|
return fs.feePerByte
|
|
}
|
|
|
|
func (fs *FeerStub) GetUtilityTokenBalance(uint160 util.Uint160) util.Fixed8 {
|
|
return util.Fixed8FromInt64(10000)
|
|
}
|
|
|
|
func testMemPoolAddRemoveWithFeer(t *testing.T, fs Feer) {
|
|
mp := NewMemPool(10)
|
|
tx := transaction.NewContractTX()
|
|
tx.Nonce = 0
|
|
_, _, ok := mp.TryGetValue(tx.Hash())
|
|
require.Equal(t, false, ok)
|
|
require.NoError(t, mp.Add(tx, fs))
|
|
// Re-adding should fail.
|
|
require.Error(t, mp.Add(tx, fs))
|
|
tx2, _, ok := mp.TryGetValue(tx.Hash())
|
|
require.Equal(t, true, ok)
|
|
require.Equal(t, tx, tx2)
|
|
mp.Remove(tx.Hash())
|
|
_, _, ok = mp.TryGetValue(tx.Hash())
|
|
require.Equal(t, false, ok)
|
|
// Make sure nothing left in the mempool after removal.
|
|
assert.Equal(t, 0, len(mp.verifiedMap))
|
|
assert.Equal(t, 0, len(mp.verifiedTxes))
|
|
}
|
|
|
|
func TestMemPoolAddRemove(t *testing.T) {
|
|
var fs = &FeerStub{lowPriority: false}
|
|
t.Run("low priority", func(t *testing.T) { testMemPoolAddRemoveWithFeer(t, fs) })
|
|
fs.lowPriority = true
|
|
t.Run("high priority", func(t *testing.T) { testMemPoolAddRemoveWithFeer(t, fs) })
|
|
}
|
|
|
|
func TestMemPoolAddRemoveWithInputsAndClaims(t *testing.T) {
|
|
mp := NewMemPool(50)
|
|
hash1, err := util.Uint256DecodeStringBE("a83ba6ede918a501558d3170a124324aedc89909e64c4ff2c6f863094f980b25")
|
|
require.NoError(t, err)
|
|
hash2, err := util.Uint256DecodeStringBE("629397158f852e838077bb2715b13a2e29b0a51c2157e5466321b70ed7904ce9")
|
|
require.NoError(t, err)
|
|
mpLessInputs := func(i, j int) bool {
|
|
return mp.inputs[i].Cmp(mp.inputs[j]) < 0
|
|
}
|
|
mpLessClaims := func(i, j int) bool {
|
|
return mp.claims[i].Cmp(mp.claims[j]) < 0
|
|
}
|
|
txm1 := transaction.NewContractTX()
|
|
txm1.Nonce = 1
|
|
txc1, claim1 := newClaimTX()
|
|
for i := 0; i < 5; i++ {
|
|
txm1.Inputs = append(txm1.Inputs, transaction.Input{PrevHash: hash1, PrevIndex: uint16(100 - i)})
|
|
claim1.Claims = append(claim1.Claims, transaction.Input{PrevHash: hash1, PrevIndex: uint16(100 - i)})
|
|
}
|
|
require.NoError(t, mp.Add(txm1, &FeerStub{}))
|
|
require.NoError(t, mp.Add(txc1, &FeerStub{}))
|
|
// Look inside.
|
|
assert.Equal(t, len(txm1.Inputs), len(mp.inputs))
|
|
assert.True(t, sort.SliceIsSorted(mp.inputs, mpLessInputs))
|
|
assert.Equal(t, len(claim1.Claims), len(mp.claims))
|
|
assert.True(t, sort.SliceIsSorted(mp.claims, mpLessClaims))
|
|
|
|
txm2 := transaction.NewContractTX()
|
|
txm2.Nonce = 1
|
|
txc2, claim2 := newClaimTX()
|
|
for i := 0; i < 10; i++ {
|
|
txm2.Inputs = append(txm2.Inputs, transaction.Input{PrevHash: hash2, PrevIndex: uint16(i)})
|
|
claim2.Claims = append(claim2.Claims, transaction.Input{PrevHash: hash2, PrevIndex: uint16(i)})
|
|
}
|
|
require.NoError(t, mp.Add(txm2, &FeerStub{}))
|
|
require.NoError(t, mp.Add(txc2, &FeerStub{}))
|
|
assert.Equal(t, len(txm1.Inputs)+len(txm2.Inputs), len(mp.inputs))
|
|
assert.True(t, sort.SliceIsSorted(mp.inputs, mpLessInputs))
|
|
assert.Equal(t, len(claim1.Claims)+len(claim2.Claims), len(mp.claims))
|
|
assert.True(t, sort.SliceIsSorted(mp.claims, mpLessClaims))
|
|
|
|
mp.Remove(txm1.Hash())
|
|
mp.Remove(txc2.Hash())
|
|
assert.Equal(t, len(txm2.Inputs), len(mp.inputs))
|
|
assert.True(t, sort.SliceIsSorted(mp.inputs, mpLessInputs))
|
|
assert.Equal(t, len(claim1.Claims), len(mp.claims))
|
|
assert.True(t, sort.SliceIsSorted(mp.claims, mpLessClaims))
|
|
|
|
require.NoError(t, mp.Add(txm1, &FeerStub{}))
|
|
require.NoError(t, mp.Add(txc2, &FeerStub{}))
|
|
assert.Equal(t, len(txm1.Inputs)+len(txm2.Inputs), len(mp.inputs))
|
|
assert.True(t, sort.SliceIsSorted(mp.inputs, mpLessInputs))
|
|
assert.Equal(t, len(claim1.Claims)+len(claim2.Claims), len(mp.claims))
|
|
assert.True(t, sort.SliceIsSorted(mp.claims, mpLessClaims))
|
|
|
|
mp.RemoveStale(func(t *transaction.Transaction) bool {
|
|
if t.Hash() == txc1.Hash() || t.Hash() == txm2.Hash() {
|
|
return false
|
|
}
|
|
return true
|
|
}, &FeerStub{})
|
|
assert.Equal(t, len(txm1.Inputs), len(mp.inputs))
|
|
assert.True(t, sort.SliceIsSorted(mp.inputs, mpLessInputs))
|
|
assert.Equal(t, len(claim2.Claims), len(mp.claims))
|
|
assert.True(t, sort.SliceIsSorted(mp.claims, mpLessClaims))
|
|
}
|
|
|
|
func TestMemPoolVerifyInputs(t *testing.T) {
|
|
mp := NewMemPool(10)
|
|
tx := transaction.NewContractTX()
|
|
tx.Nonce = 1
|
|
inhash1 := random.Uint256()
|
|
tx.Inputs = append(tx.Inputs, transaction.Input{PrevHash: inhash1, PrevIndex: 0})
|
|
require.Equal(t, true, mp.Verify(tx, &FeerStub{}))
|
|
require.NoError(t, mp.Add(tx, &FeerStub{}))
|
|
|
|
tx2 := transaction.NewContractTX()
|
|
tx2.Nonce = 2
|
|
inhash2 := random.Uint256()
|
|
tx2.Inputs = append(tx2.Inputs, transaction.Input{PrevHash: inhash2, PrevIndex: 0})
|
|
require.Equal(t, true, mp.Verify(tx2, &FeerStub{}))
|
|
require.NoError(t, mp.Add(tx2, &FeerStub{}))
|
|
|
|
tx3 := transaction.NewContractTX()
|
|
tx3.Nonce = 3
|
|
// Different index number, but the same PrevHash as in tx1.
|
|
tx3.Inputs = append(tx3.Inputs, transaction.Input{PrevHash: inhash1, PrevIndex: 1})
|
|
require.Equal(t, true, mp.Verify(tx3, &FeerStub{}))
|
|
// The same input as in tx2.
|
|
tx3.Inputs = append(tx3.Inputs, transaction.Input{PrevHash: inhash2, PrevIndex: 0})
|
|
require.Equal(t, false, mp.Verify(tx3, &FeerStub{}))
|
|
require.Error(t, mp.Add(tx3, &FeerStub{}))
|
|
}
|
|
|
|
func TestMemPoolVerifyClaims(t *testing.T) {
|
|
mp := NewMemPool(50)
|
|
tx1, claim1 := newClaimTX()
|
|
hash1, err := util.Uint256DecodeStringBE("a83ba6ede918a501558d3170a124324aedc89909e64c4ff2c6f863094f980b25")
|
|
require.NoError(t, err)
|
|
hash2, err := util.Uint256DecodeStringBE("629397158f852e838077bb2715b13a2e29b0a51c2157e5466321b70ed7904ce9")
|
|
require.NoError(t, err)
|
|
for i := 0; i < 10; i++ {
|
|
claim1.Claims = append(claim1.Claims, transaction.Input{PrevHash: hash1, PrevIndex: uint16(i)})
|
|
claim1.Claims = append(claim1.Claims, transaction.Input{PrevHash: hash2, PrevIndex: uint16(i)})
|
|
}
|
|
require.Equal(t, true, mp.Verify(tx1, &FeerStub{}))
|
|
require.NoError(t, mp.Add(tx1, &FeerStub{}))
|
|
|
|
tx2, claim2 := newClaimTX()
|
|
for i := 0; i < 10; i++ {
|
|
claim2.Claims = append(claim2.Claims, transaction.Input{PrevHash: hash2, PrevIndex: uint16(i + 10)})
|
|
}
|
|
require.Equal(t, true, mp.Verify(tx2, &FeerStub{}))
|
|
require.NoError(t, mp.Add(tx2, &FeerStub{}))
|
|
|
|
tx3, claim3 := newClaimTX()
|
|
claim3.Claims = append(claim3.Claims, transaction.Input{PrevHash: hash1, PrevIndex: 0})
|
|
require.Equal(t, false, mp.Verify(tx3, &FeerStub{}))
|
|
require.Error(t, mp.Add(tx3, &FeerStub{}))
|
|
}
|
|
|
|
func TestMemPoolVerifyIssue(t *testing.T) {
|
|
mp := NewMemPool(50)
|
|
tx1 := newIssueTX()
|
|
require.Equal(t, true, mp.Verify(tx1, &FeerStub{}))
|
|
require.NoError(t, mp.Add(tx1, &FeerStub{}))
|
|
|
|
tx2 := newIssueTX()
|
|
require.Equal(t, false, mp.Verify(tx2, &FeerStub{}))
|
|
require.Error(t, mp.Add(tx2, &FeerStub{}))
|
|
}
|
|
|
|
func newIssueTX() *transaction.Transaction {
|
|
tx := transaction.NewIssueTX()
|
|
tx.Outputs = []transaction.Output{
|
|
{
|
|
AssetID: random.Uint256(),
|
|
Amount: util.Fixed8FromInt64(42),
|
|
ScriptHash: random.Uint160(),
|
|
},
|
|
}
|
|
return tx
|
|
}
|
|
|
|
func newClaimTX() (*transaction.Transaction, *transaction.ClaimTX) {
|
|
cl := &transaction.ClaimTX{}
|
|
return transaction.NewClaimTX(cl), cl
|
|
}
|
|
|
|
func TestOverCapacity(t *testing.T) {
|
|
var fs = &FeerStub{lowPriority: true}
|
|
const mempoolSize = 10
|
|
mp := NewMemPool(mempoolSize)
|
|
|
|
for i := 0; i < mempoolSize; i++ {
|
|
tx := transaction.NewContractTX()
|
|
tx.Nonce = uint32(i)
|
|
require.NoError(t, mp.Add(tx, fs))
|
|
}
|
|
txcnt := uint32(mempoolSize)
|
|
require.Equal(t, mempoolSize, mp.Count())
|
|
require.Equal(t, true, sort.IsSorted(sort.Reverse(mp.verifiedTxes)))
|
|
|
|
// Claim TX has more priority than ordinary lowprio, so it should easily
|
|
// fit into the pool.
|
|
claim := &transaction.Transaction{
|
|
Type: transaction.ClaimType,
|
|
Data: &transaction.ClaimTX{},
|
|
}
|
|
require.NoError(t, mp.Add(claim, fs))
|
|
require.Equal(t, mempoolSize, mp.Count())
|
|
require.Equal(t, true, sort.IsSorted(sort.Reverse(mp.verifiedTxes)))
|
|
|
|
// Fees are also prioritized.
|
|
for i := 0; i < mempoolSize-1; i++ {
|
|
tx := transaction.NewContractTX()
|
|
tx.Attributes = append(tx.Attributes, transaction.Attribute{
|
|
Usage: transaction.Hash1,
|
|
Data: util.Uint256{1, 2, 3, 4}.BytesBE(),
|
|
})
|
|
tx.NetworkFee = util.Fixed8FromFloat(0.0001)
|
|
tx.Nonce = txcnt
|
|
txcnt++
|
|
// size is 84, networkFee is 0.0001 => feePerByte is 0.00000119
|
|
require.NoError(t, mp.Add(tx, fs))
|
|
require.Equal(t, mempoolSize, mp.Count())
|
|
require.Equal(t, true, sort.IsSorted(sort.Reverse(mp.verifiedTxes)))
|
|
}
|
|
// Less prioritized txes are not allowed anymore.
|
|
tx := transaction.NewContractTX()
|
|
tx.Attributes = append(tx.Attributes, transaction.Attribute{
|
|
Usage: transaction.Hash1,
|
|
Data: util.Uint256{1, 2, 3, 4}.BytesBE(),
|
|
})
|
|
tx.NetworkFee = util.Fixed8FromFloat(0.00001)
|
|
tx.Nonce = txcnt
|
|
txcnt++
|
|
require.Error(t, mp.Add(tx, fs))
|
|
require.Equal(t, mempoolSize, mp.Count())
|
|
require.Equal(t, true, sort.IsSorted(sort.Reverse(mp.verifiedTxes)))
|
|
|
|
// But claim tx should still be there.
|
|
require.True(t, mp.ContainsKey(claim.Hash()))
|
|
|
|
// Low net fee, but higher per-byte fee is still a better combination.
|
|
tx = transaction.NewContractTX()
|
|
tx.Nonce = txcnt
|
|
tx.NetworkFee = util.Fixed8FromFloat(0.00007)
|
|
txcnt++
|
|
// size is 51 (no attributes), networkFee is 0.00007 (<0.0001)
|
|
// => feePerByte is 0.00000137 (>0.00000119)
|
|
require.NoError(t, mp.Add(tx, fs))
|
|
require.Equal(t, mempoolSize, mp.Count())
|
|
require.Equal(t, true, sort.IsSorted(sort.Reverse(mp.verifiedTxes)))
|
|
|
|
// High priority always wins over low priority.
|
|
fs.lowPriority = false
|
|
for i := 0; i < mempoolSize; i++ {
|
|
tx := transaction.NewContractTX()
|
|
tx.Nonce = txcnt
|
|
txcnt++
|
|
require.NoError(t, mp.Add(tx, fs))
|
|
require.Equal(t, mempoolSize, mp.Count())
|
|
require.Equal(t, true, sort.IsSorted(sort.Reverse(mp.verifiedTxes)))
|
|
}
|
|
// Good luck with low priority now.
|
|
fs.lowPriority = true
|
|
tx = transaction.NewContractTX()
|
|
tx.Nonce = txcnt
|
|
require.Error(t, mp.Add(tx, fs))
|
|
require.Equal(t, mempoolSize, mp.Count())
|
|
require.Equal(t, true, sort.IsSorted(sort.Reverse(mp.verifiedTxes)))
|
|
}
|
|
|
|
func TestGetVerified(t *testing.T) {
|
|
var fs = &FeerStub{lowPriority: true}
|
|
const mempoolSize = 10
|
|
mp := NewMemPool(mempoolSize)
|
|
|
|
txes := make([]*transaction.Transaction, 0, mempoolSize)
|
|
for i := 0; i < mempoolSize; i++ {
|
|
tx := transaction.NewContractTX()
|
|
tx.Nonce = uint32(i)
|
|
txes = append(txes, tx)
|
|
require.NoError(t, mp.Add(tx, fs))
|
|
}
|
|
require.Equal(t, mempoolSize, mp.Count())
|
|
verTxes := mp.GetVerifiedTransactions()
|
|
require.Equal(t, mempoolSize, len(verTxes))
|
|
for _, txf := range verTxes {
|
|
require.Contains(t, txes, txf.Tx)
|
|
}
|
|
for _, tx := range txes {
|
|
mp.Remove(tx.Hash())
|
|
}
|
|
verTxes = mp.GetVerifiedTransactions()
|
|
require.Equal(t, 0, len(verTxes))
|
|
}
|
|
|
|
func TestRemoveStale(t *testing.T) {
|
|
var fs = &FeerStub{lowPriority: true}
|
|
const mempoolSize = 10
|
|
mp := NewMemPool(mempoolSize)
|
|
|
|
txes1 := make([]*transaction.Transaction, 0, mempoolSize/2)
|
|
txes2 := make([]*transaction.Transaction, 0, mempoolSize/2)
|
|
for i := 0; i < mempoolSize; i++ {
|
|
tx := transaction.NewContractTX()
|
|
tx.Nonce = uint32(i)
|
|
if i%2 == 0 {
|
|
txes1 = append(txes1, tx)
|
|
} else {
|
|
txes2 = append(txes2, tx)
|
|
}
|
|
require.NoError(t, mp.Add(tx, fs))
|
|
}
|
|
require.Equal(t, mempoolSize, mp.Count())
|
|
mp.RemoveStale(func(t *transaction.Transaction) bool {
|
|
for _, tx := range txes2 {
|
|
if tx == t {
|
|
return true
|
|
}
|
|
}
|
|
return false
|
|
}, &FeerStub{})
|
|
require.Equal(t, mempoolSize/2, mp.Count())
|
|
verTxes := mp.GetVerifiedTransactions()
|
|
for _, txf := range verTxes {
|
|
require.NotContains(t, txes1, txf.Tx)
|
|
require.Contains(t, txes2, txf.Tx)
|
|
}
|
|
}
|
|
|
|
func TestMemPoolFees(t *testing.T) {
|
|
mp := NewMemPool(10)
|
|
sender0 := util.Uint160{1, 2, 3}
|
|
tx0 := transaction.NewContractTX()
|
|
tx0.NetworkFee = util.Fixed8FromInt64(11000)
|
|
tx0.Sender = sender0
|
|
// insufficient funds to add transaction, but balance should be stored
|
|
require.Equal(t, false, mp.Verify(tx0, &FeerStub{}))
|
|
require.Error(t, mp.Add(tx0, &FeerStub{}))
|
|
require.Equal(t, 1, len(mp.fees))
|
|
require.Equal(t, utilityBalanceAndFees{
|
|
balance: util.Fixed8FromInt64(10000),
|
|
feeSum: 0,
|
|
}, mp.fees[sender0])
|
|
|
|
// no problems with adding another transaction with lower fee
|
|
tx1 := transaction.NewContractTX()
|
|
tx1.NetworkFee = util.Fixed8FromInt64(7000)
|
|
tx1.Sender = sender0
|
|
require.NoError(t, mp.Add(tx1, &FeerStub{}))
|
|
require.Equal(t, 1, len(mp.fees))
|
|
require.Equal(t, utilityBalanceAndFees{
|
|
balance: util.Fixed8FromInt64(10000),
|
|
feeSum: util.Fixed8FromInt64(7000),
|
|
}, mp.fees[sender0])
|
|
|
|
// balance shouldn't change after adding one more transaction
|
|
tx2 := transaction.NewContractTX()
|
|
tx2.NetworkFee = util.Fixed8FromFloat(3000)
|
|
tx2.Sender = sender0
|
|
require.NoError(t, mp.Add(tx2, &FeerStub{}))
|
|
require.Equal(t, 2, len(mp.verifiedTxes))
|
|
require.Equal(t, 1, len(mp.fees))
|
|
require.Equal(t, utilityBalanceAndFees{
|
|
balance: util.Fixed8FromInt64(10000),
|
|
feeSum: util.Fixed8FromInt64(10000),
|
|
}, mp.fees[sender0])
|
|
|
|
// can't add more transactions as we don't have enough GAS
|
|
tx3 := transaction.NewContractTX()
|
|
tx3.NetworkFee = util.Fixed8FromFloat(0.5)
|
|
tx3.Sender = sender0
|
|
require.Equal(t, false, mp.Verify(tx3, &FeerStub{}))
|
|
require.Error(t, mp.Add(tx3, &FeerStub{}))
|
|
require.Equal(t, 1, len(mp.fees))
|
|
require.Equal(t, utilityBalanceAndFees{
|
|
balance: util.Fixed8FromInt64(10000),
|
|
feeSum: util.Fixed8FromInt64(10000),
|
|
}, mp.fees[sender0])
|
|
|
|
// check whether sender's fee updates correctly
|
|
mp.RemoveStale(func(t *transaction.Transaction) bool {
|
|
if t == tx2 {
|
|
return true
|
|
}
|
|
return false
|
|
}, &FeerStub{})
|
|
require.Equal(t, 1, len(mp.fees))
|
|
require.Equal(t, utilityBalanceAndFees{
|
|
balance: util.Fixed8FromInt64(10000),
|
|
feeSum: util.Fixed8FromFloat(3000),
|
|
}, mp.fees[sender0])
|
|
|
|
// there should be nothing left
|
|
mp.RemoveStale(func(t *transaction.Transaction) bool {
|
|
if t == tx3 {
|
|
return true
|
|
}
|
|
return false
|
|
}, &FeerStub{})
|
|
require.Equal(t, 0, len(mp.fees))
|
|
}
|