neo-go/pkg/core/state/native_state_test.go

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package state
import (
"math/big"
"testing"
"github.com/nspcc-dev/neo-go/pkg/crypto/keys"
"github.com/nspcc-dev/neo-go/pkg/vm/stackitem"
"github.com/stretchr/testify/require"
)
func TestNEP17Balance_Bytes(t *testing.T) {
var b NEP17Balance
b.Balance.SetInt64(0x12345678910)
data, err := stackitem.SerializeConvertible(&b)
require.NoError(t, err)
require.Equal(t, data, b.Bytes(nil))
t.Run("reuse buffer", func(t *testing.T) {
buf := make([]byte, 100)
ret := b.Bytes(buf[:0])
require.Equal(t, ret, buf[:len(ret)])
})
actual, err := NEP17BalanceFromBytes(data)
require.NoError(t, err)
require.Equal(t, &b, actual)
}
func TestNEP17BalanceFromBytesInvalid(t *testing.T) {
b, err := NEP17BalanceFromBytes(nil) // 0 is ok
require.NoError(t, err)
require.Equal(t, int64(0), b.Balance.Int64())
_, err = NEP17BalanceFromBytes([]byte{byte(stackitem.StructT)})
require.Error(t, err)
_, err = NEP17BalanceFromBytes([]byte{byte(stackitem.IntegerT), 4, 0, 1, 2, 3})
require.Error(t, err)
_, err = NEP17BalanceFromBytes([]byte{byte(stackitem.StructT), 0, byte(stackitem.IntegerT), 1, 1})
require.Error(t, err)
_, err = NEP17BalanceFromBytes([]byte{byte(stackitem.StructT), 1, byte(stackitem.ByteArrayT), 1, 1})
require.Error(t, err)
_, err = NEP17BalanceFromBytes([]byte{byte(stackitem.StructT), 1, byte(stackitem.IntegerT), 2, 1})
require.Error(t, err)
}
func TestNEOBalanceSerialization(t *testing.T) {
var b = NEOBalance{
NEP17Balance: NEP17Balance{*big.NewInt(100500)},
BalanceHeight: 42,
}
si, err := b.ToStackItem()
require.NoError(t, err)
var bb NEOBalance
require.NoError(t, bb.FromStackItem(si))
require.Equal(t, b, bb)
b.VoteTo, err = keys.NewPublicKeyFromString("03b209fd4f53a7170ea4444e0cb0a6bb6a53c2bd016926989cf85f9b0fba17a70c")
require.NoError(t, err)
b.LastGasPerVote = *big.NewInt(100500)
si, err = b.ToStackItem()
require.NoError(t, err)
bb = NEOBalance{}
require.NoError(t, bb.FromStackItem(si))
require.Equal(t, b, bb)
b.VoteTo = nil
si, err = b.ToStackItem()
require.NoError(t, err)
bb = NEOBalance{}
require.NoError(t, bb.FromStackItem(si))
require.Equal(t, b, bb)
}
func BenchmarkNEP17BalanceBytes(b *testing.B) {
var bl NEP17Balance
bl.Balance.SetInt64(0x12345678910)
b.Run("stackitem", func(b *testing.B) {
b.ReportAllocs()
for i := 0; i < b.N; i++ {
_, _ = stackitem.SerializeConvertible(&bl)
}
})
b.Run("bytes", func(b *testing.B) {
b.ReportAllocs()
for i := 0; i < b.N; i++ {
_ = bl.Bytes(nil)
}
})
b.Run("bytes, prealloc", func(b *testing.B) {
bs := bl.Bytes(nil)
b.ResetTimer()
b.ReportAllocs()
for i := 0; i < b.N; i++ {
_ = bl.Bytes(bs[:0])
}
})
}
func BenchmarkNEP17BalanceFromBytes(b *testing.B) {
var bl NEP17Balance
bl.Balance.SetInt64(0x12345678910)
buf := bl.Bytes(nil)
b.Run("stackitem", func(b *testing.B) {
b.ReportAllocs()
for i := 0; i < b.N; i++ {
_ = stackitem.DeserializeConvertible(buf, new(NEP17Balance))
}
})
b.Run("from bytes", func(b *testing.B) {
b.ReportAllocs()
for i := 0; i < b.N; i++ {
_, _ = NEP17BalanceFromBytes(buf)
}
})
}