mirror of
https://github.com/nspcc-dev/neo-go.git
synced 2024-10-17 09:46:24 +00:00
90 lines
2.8 KiB
Go
90 lines
2.8 KiB
Go
package core
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import (
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"testing"
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"github.com/CityOfZion/neo-go/pkg/core/transaction"
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"github.com/CityOfZion/neo-go/pkg/internal/random"
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"github.com/CityOfZion/neo-go/pkg/util"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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)
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type FeerStub struct {
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lowPriority bool
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sysFee util.Fixed8
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netFee util.Fixed8
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perByteFee util.Fixed8
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}
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func (fs *FeerStub) NetworkFee(*transaction.Transaction) util.Fixed8 {
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return fs.netFee
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}
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func (fs *FeerStub) IsLowPriority(*transaction.Transaction) bool {
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return fs.lowPriority
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}
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func (fs *FeerStub) FeePerByte(*transaction.Transaction) util.Fixed8 {
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return fs.perByteFee
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}
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func (fs *FeerStub) SystemFee(*transaction.Transaction) util.Fixed8 {
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return fs.sysFee
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}
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func testMemPoolAddRemoveWithFeer(t *testing.T, fs Feer) {
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mp := NewMemPool(10)
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tx := newMinerTX()
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item := NewPoolItem(tx, fs)
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_, ok := mp.TryGetValue(tx.Hash())
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require.Equal(t, false, ok)
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require.Equal(t, true, mp.TryAdd(tx.Hash(), item))
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// Re-adding should fail.
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require.Equal(t, false, mp.TryAdd(tx.Hash(), item))
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tx2, ok := mp.TryGetValue(tx.Hash())
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require.Equal(t, true, ok)
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require.Equal(t, tx, tx2)
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mp.Remove(tx.Hash())
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_, ok = mp.TryGetValue(tx.Hash())
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require.Equal(t, false, ok)
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// Make sure nothing left in the mempool after removal.
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assert.Equal(t, 0, len(mp.unsortedTxn))
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assert.Equal(t, 0, len(mp.unverifiedTxn))
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assert.Equal(t, 0, len(mp.sortedHighPrioTxn))
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assert.Equal(t, 0, len(mp.sortedLowPrioTxn))
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assert.Equal(t, 0, len(mp.unverifiedSortedHighPrioTxn))
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assert.Equal(t, 0, len(mp.unverifiedSortedLowPrioTxn))
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}
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func TestMemPoolAddRemove(t *testing.T) {
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var fs = &FeerStub{lowPriority: false}
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t.Run("low priority", func(t *testing.T) { testMemPoolAddRemoveWithFeer(t, fs) })
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fs.lowPriority = true
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t.Run("high priority", func(t *testing.T) { testMemPoolAddRemoveWithFeer(t, fs) })
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}
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func TestMemPoolVerify(t *testing.T) {
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mp := NewMemPool(10)
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tx := newMinerTX()
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inhash1 := random.Uint256()
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tx.Inputs = append(tx.Inputs, transaction.Input{PrevHash: inhash1, PrevIndex: 0})
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require.Equal(t, true, mp.Verify(tx))
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item := NewPoolItem(tx, &FeerStub{})
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require.Equal(t, true, mp.TryAdd(tx.Hash(), item))
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tx2 := newMinerTX()
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inhash2 := random.Uint256()
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tx2.Inputs = append(tx2.Inputs, transaction.Input{PrevHash: inhash2, PrevIndex: 0})
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require.Equal(t, true, mp.Verify(tx2))
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item = NewPoolItem(tx2, &FeerStub{})
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require.Equal(t, true, mp.TryAdd(tx2.Hash(), item))
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tx3 := newMinerTX()
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// Different index number, but the same PrevHash as in tx1.
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tx3.Inputs = append(tx3.Inputs, transaction.Input{PrevHash: inhash1, PrevIndex: 1})
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require.Equal(t, true, mp.Verify(tx3))
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// The same input as in tx2.
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tx3.Inputs = append(tx3.Inputs, transaction.Input{PrevHash: inhash2, PrevIndex: 0})
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require.Equal(t, false, mp.Verify(tx3))
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}
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