mirror of
https://github.com/nspcc-dev/neo-go.git
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9bdf66a5e0
It can be non-zero even if VoteTo is NULL. Fixes state diff with 3.6.0: block 41660: value mismatch for key +////xTrvgat3qG/w8hQoD/I4MgUz6rygA==: QQQhAS8hA7yiAAAhAA== vs QQQhAS8hA7yiAAAhB+POSWfBCAE= Related to #2844. Signed-off-by: Roman Khimov <roman@nspcc.ru>
127 lines
3 KiB
Go
127 lines
3 KiB
Go
package state
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import (
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"math/big"
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"testing"
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"github.com/nspcc-dev/neo-go/pkg/crypto/keys"
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"github.com/nspcc-dev/neo-go/pkg/vm/stackitem"
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"github.com/stretchr/testify/require"
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)
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func TestNEP17Balance_Bytes(t *testing.T) {
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var b NEP17Balance
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b.Balance.SetInt64(0x12345678910)
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data, err := stackitem.SerializeConvertible(&b)
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require.NoError(t, err)
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require.Equal(t, data, b.Bytes(nil))
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t.Run("reuse buffer", func(t *testing.T) {
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buf := make([]byte, 100)
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ret := b.Bytes(buf[:0])
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require.Equal(t, ret, buf[:len(ret)])
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})
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actual, err := NEP17BalanceFromBytes(data)
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require.NoError(t, err)
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require.Equal(t, &b, actual)
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}
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func TestNEP17BalanceFromBytesInvalid(t *testing.T) {
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b, err := NEP17BalanceFromBytes(nil) // 0 is ok
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require.NoError(t, err)
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require.Equal(t, int64(0), b.Balance.Int64())
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_, err = NEP17BalanceFromBytes([]byte{byte(stackitem.StructT)})
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require.Error(t, err)
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_, err = NEP17BalanceFromBytes([]byte{byte(stackitem.IntegerT), 4, 0, 1, 2, 3})
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require.Error(t, err)
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_, err = NEP17BalanceFromBytes([]byte{byte(stackitem.StructT), 0, byte(stackitem.IntegerT), 1, 1})
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require.Error(t, err)
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_, err = NEP17BalanceFromBytes([]byte{byte(stackitem.StructT), 1, byte(stackitem.ByteArrayT), 1, 1})
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require.Error(t, err)
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_, err = NEP17BalanceFromBytes([]byte{byte(stackitem.StructT), 1, byte(stackitem.IntegerT), 2, 1})
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require.Error(t, err)
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}
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func TestNEOBalanceSerialization(t *testing.T) {
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var b = NEOBalance{
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NEP17Balance: NEP17Balance{*big.NewInt(100500)},
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BalanceHeight: 42,
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}
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si, err := b.ToStackItem()
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require.NoError(t, err)
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var bb NEOBalance
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require.NoError(t, bb.FromStackItem(si))
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require.Equal(t, b, bb)
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b.VoteTo, err = keys.NewPublicKeyFromString("03b209fd4f53a7170ea4444e0cb0a6bb6a53c2bd016926989cf85f9b0fba17a70c")
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require.NoError(t, err)
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b.LastGasPerVote = *big.NewInt(100500)
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si, err = b.ToStackItem()
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require.NoError(t, err)
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bb = NEOBalance{}
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require.NoError(t, bb.FromStackItem(si))
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require.Equal(t, b, bb)
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b.VoteTo = nil
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si, err = b.ToStackItem()
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require.NoError(t, err)
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bb = NEOBalance{}
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require.NoError(t, bb.FromStackItem(si))
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require.Equal(t, b, bb)
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}
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func BenchmarkNEP17BalanceBytes(b *testing.B) {
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var bl NEP17Balance
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bl.Balance.SetInt64(0x12345678910)
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b.Run("stackitem", func(b *testing.B) {
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b.ReportAllocs()
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for i := 0; i < b.N; i++ {
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_, _ = stackitem.SerializeConvertible(&bl)
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}
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})
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b.Run("bytes", func(b *testing.B) {
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b.ReportAllocs()
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for i := 0; i < b.N; i++ {
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_ = bl.Bytes(nil)
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}
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})
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b.Run("bytes, prealloc", func(b *testing.B) {
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bs := bl.Bytes(nil)
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b.ResetTimer()
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b.ReportAllocs()
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for i := 0; i < b.N; i++ {
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_ = bl.Bytes(bs[:0])
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}
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})
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}
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func BenchmarkNEP17BalanceFromBytes(b *testing.B) {
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var bl NEP17Balance
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bl.Balance.SetInt64(0x12345678910)
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buf := bl.Bytes(nil)
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b.Run("stackitem", func(b *testing.B) {
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b.ReportAllocs()
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for i := 0; i < b.N; i++ {
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_ = stackitem.DeserializeConvertible(buf, new(NEP17Balance))
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}
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})
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b.Run("from bytes", func(b *testing.B) {
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b.ReportAllocs()
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for i := 0; i < b.N; i++ {
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_, _ = NEP17BalanceFromBytes(buf)
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}
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})
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}
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