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https://github.com/nspcc-dev/neo-go.git
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3a71aafc43
Move them to the core/network packages, close #2950. The name of mempool's unsorted transactions metrics has been changed along the way to match the core's metrics naming convention. Signed-off-by: Anna Shaleva <shaleva.ann@nspcc.ru>
95 lines
3.7 KiB
Go
95 lines
3.7 KiB
Go
package mempool
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import (
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"testing"
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"time"
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"github.com/nspcc-dev/neo-go/pkg/core/mempoolevent"
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"github.com/nspcc-dev/neo-go/pkg/core/transaction"
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"github.com/nspcc-dev/neo-go/pkg/util"
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"github.com/nspcc-dev/neo-go/pkg/vm/opcode"
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"github.com/stretchr/testify/require"
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)
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func TestSubscriptions(t *testing.T) {
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t.Run("disabled subscriptions", func(t *testing.T) {
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mp := New(5, 0, false, nil)
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require.Panics(t, func() {
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mp.RunSubscriptions()
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})
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require.Panics(t, func() {
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mp.StopSubscriptions()
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})
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})
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t.Run("enabled subscriptions", func(t *testing.T) {
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fs := &FeerStub{balance: 100}
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mp := New(2, 0, true, nil)
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mp.RunSubscriptions()
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subChan1 := make(chan mempoolevent.Event, 3)
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subChan2 := make(chan mempoolevent.Event, 3)
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mp.SubscribeForTransactions(subChan1)
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t.Cleanup(mp.StopSubscriptions)
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txs := make([]*transaction.Transaction, 4)
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for i := range txs {
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txs[i] = transaction.New([]byte{byte(opcode.PUSH1)}, 0)
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txs[i].Nonce = uint32(i)
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txs[i].Signers = []transaction.Signer{{Account: util.Uint160{1, 2, 3}}}
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txs[i].NetworkFee = int64(i)
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}
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// add tx
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require.NoError(t, mp.Add(txs[0], fs))
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require.Eventually(t, func() bool { return len(subChan1) == 1 }, time.Second, time.Millisecond*100)
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event := <-subChan1
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require.Equal(t, mempoolevent.Event{Type: mempoolevent.TransactionAdded, Tx: txs[0]}, event)
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// severak subscribers
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mp.SubscribeForTransactions(subChan2)
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require.NoError(t, mp.Add(txs[1], fs))
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require.Eventually(t, func() bool { return len(subChan1) == 1 && len(subChan2) == 1 }, time.Second, time.Millisecond*100)
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event1 := <-subChan1
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event2 := <-subChan2
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require.Equal(t, mempoolevent.Event{Type: mempoolevent.TransactionAdded, Tx: txs[1]}, event1)
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require.Equal(t, mempoolevent.Event{Type: mempoolevent.TransactionAdded, Tx: txs[1]}, event2)
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// reach capacity
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require.NoError(t, mp.Add(txs[2], &FeerStub{}))
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require.Eventually(t, func() bool { return len(subChan1) == 2 && len(subChan2) == 2 }, time.Second, time.Millisecond*100)
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event1 = <-subChan1
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event2 = <-subChan2
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require.Equal(t, mempoolevent.Event{Type: mempoolevent.TransactionRemoved, Tx: txs[0]}, event1)
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require.Equal(t, mempoolevent.Event{Type: mempoolevent.TransactionRemoved, Tx: txs[0]}, event2)
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event1 = <-subChan1
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event2 = <-subChan2
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require.Equal(t, mempoolevent.Event{Type: mempoolevent.TransactionAdded, Tx: txs[2]}, event1)
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require.Equal(t, mempoolevent.Event{Type: mempoolevent.TransactionAdded, Tx: txs[2]}, event2)
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// remove tx
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mp.Remove(txs[1].Hash(), fs)
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require.Eventually(t, func() bool { return len(subChan1) == 1 && len(subChan2) == 1 }, time.Second, time.Millisecond*100)
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event1 = <-subChan1
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event2 = <-subChan2
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require.Equal(t, mempoolevent.Event{Type: mempoolevent.TransactionRemoved, Tx: txs[1]}, event1)
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require.Equal(t, mempoolevent.Event{Type: mempoolevent.TransactionRemoved, Tx: txs[1]}, event2)
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// remove stale
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mp.RemoveStale(func(tx *transaction.Transaction) bool {
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return !tx.Hash().Equals(txs[2].Hash())
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}, fs)
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require.Eventually(t, func() bool { return len(subChan1) == 1 && len(subChan2) == 1 }, time.Second, time.Millisecond*100)
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event1 = <-subChan1
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event2 = <-subChan2
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require.Equal(t, mempoolevent.Event{Type: mempoolevent.TransactionRemoved, Tx: txs[2]}, event1)
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require.Equal(t, mempoolevent.Event{Type: mempoolevent.TransactionRemoved, Tx: txs[2]}, event2)
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// unsubscribe
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mp.UnsubscribeFromTransactions(subChan1)
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require.NoError(t, mp.Add(txs[3], fs))
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require.Eventually(t, func() bool { return len(subChan2) == 1 }, time.Second, time.Millisecond*100)
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event2 = <-subChan2
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require.Equal(t, 0, len(subChan1))
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require.Equal(t, mempoolevent.Event{Type: mempoolevent.TransactionAdded, Tx: txs[3]}, event2)
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})
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}
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