neo-go/pkg/core/state/nep5_test.go

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package state
import (
"math/big"
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"math/rand"
"testing"
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"time"
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"github.com/nspcc-dev/neo-go/pkg/internal/random"
"github.com/nspcc-dev/neo-go/pkg/internal/testserdes"
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"github.com/nspcc-dev/neo-go/pkg/io"
"github.com/nspcc-dev/neo-go/pkg/util"
"github.com/stretchr/testify/require"
)
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func TestNEP5TransferLog_Append(t *testing.T) {
r := rand.New(rand.NewSource(time.Now().UnixNano()))
expected := []*NEP5Transfer{
randomTransfer(r),
randomTransfer(r),
randomTransfer(r),
randomTransfer(r),
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}
lg := new(TransferLog)
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for _, tr := range expected {
require.NoError(t, lg.Append(tr))
}
require.Equal(t, len(expected), lg.Size()/NEP5TransferSize)
i := len(expected) - 1
tr := new(NEP5Transfer)
cont, err := lg.ForEach(NEP5TransferSize, tr, func() (bool, error) {
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require.Equal(t, expected[i], tr)
i--
return true, nil
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})
require.NoError(t, err)
require.True(t, cont)
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}
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func TestNEP5Tracker_EncodeBinary(t *testing.T) {
expected := &NEP5Tracker{
Balance: big.NewInt(int64(rand.Uint64())),
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LastUpdatedBlock: rand.Uint32(),
}
testserdes.EncodeDecodeBinary(t, expected, new(NEP5Tracker))
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}
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func TestNEP5Transfer_DecodeBinary(t *testing.T) {
expected := &NEP5Transfer{
Asset: util.Uint160{1, 2, 3},
From: util.Uint160{5, 6, 7},
To: util.Uint160{8, 9, 10},
Amount: big.NewInt(42),
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Block: 12345,
Timestamp: 54321,
Tx: util.Uint256{8, 5, 3},
}
testserdes.EncodeDecodeBinary(t, expected, new(NEP5Transfer))
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}
func TestNEP5TransferSize(t *testing.T) {
tr := randomTransfer(rand.New(rand.NewSource(0)))
size := io.GetVarSize(tr)
require.EqualValues(t, NEP5TransferSize, size)
}
func randomTransfer(r *rand.Rand) *NEP5Transfer {
return &NEP5Transfer{
Amount: big.NewInt(int64(r.Uint64())),
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Block: r.Uint32(),
Asset: random.Uint160(),
From: random.Uint160(),
To: random.Uint160(),
Tx: random.Uint256(),
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}
}
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func TestTransfer_Size(t *testing.T) {
require.Equal(t, TransferSize, io.GetVarSize(new(Transfer)))
}