forked from TrueCloudLab/neoneo-go
9b1a7021ba
Allow to pick items by index from serialized struct or array.
288 lines
9.1 KiB
Go
288 lines
9.1 KiB
Go
package core
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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/config/netmode"
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"github.com/nspcc-dev/neo-go/pkg/core/block"
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"github.com/nspcc-dev/neo-go/pkg/core/dao"
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"github.com/nspcc-dev/neo-go/pkg/core/interop"
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"github.com/nspcc-dev/neo-go/pkg/core/interop/iterator"
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istorage "github.com/nspcc-dev/neo-go/pkg/core/interop/storage"
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"github.com/nspcc-dev/neo-go/pkg/core/state"
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"github.com/nspcc-dev/neo-go/pkg/core/storage"
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"github.com/nspcc-dev/neo-go/pkg/core/transaction"
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"github.com/nspcc-dev/neo-go/pkg/crypto/hash"
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"github.com/nspcc-dev/neo-go/pkg/smartcontract/manifest"
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"github.com/nspcc-dev/neo-go/pkg/smartcontract/nef"
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"github.com/nspcc-dev/neo-go/pkg/smartcontract/trigger"
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"github.com/nspcc-dev/neo-go/pkg/util"
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"github.com/nspcc-dev/neo-go/pkg/vm"
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"github.com/nspcc-dev/neo-go/pkg/vm/opcode"
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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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/* Missing tests:
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* TestTxGetWitnesses
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* TestAccountIsStandard
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* TestCreateContractStateFromVM
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* TestContractCreate
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* TestContractMigrate
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* TestRuntimeSerialize
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* TestRuntimeDeserialize
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*/
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func TestStorageFind(t *testing.T) {
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v, contractState, context, chain := createVMAndContractState(t)
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defer chain.Close()
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arr := []stackitem.Item{
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stackitem.NewBigInteger(big.NewInt(42)),
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stackitem.NewByteArray([]byte("second")),
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stackitem.Null{},
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}
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rawArr, err := stackitem.SerializeItem(stackitem.NewArray(arr))
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require.NoError(t, err)
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rawArr0, err := stackitem.SerializeItem(stackitem.NewArray(arr[:0]))
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require.NoError(t, err)
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rawArr1, err := stackitem.SerializeItem(stackitem.NewArray(arr[:1]))
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require.NoError(t, err)
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skeys := [][]byte{{0x01, 0x02}, {0x02, 0x01}, {0x01, 0x01},
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{0x04, 0x00}, {0x05, 0x00}, {0x06}, {0x07}, {0x08}}
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items := []*state.StorageItem{
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{
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Value: []byte{0x01, 0x02, 0x03, 0x04},
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},
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{
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Value: []byte{0x04, 0x03, 0x02, 0x01},
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},
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{
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Value: []byte{0x03, 0x04, 0x05, 0x06},
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},
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{
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Value: []byte{byte(stackitem.ByteArrayT), 2, 0xCA, 0xFE},
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},
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{
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Value: []byte{0xFF, 0xFF},
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},
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{
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Value: rawArr,
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},
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{
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Value: rawArr0,
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},
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{
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Value: rawArr1,
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},
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}
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require.NoError(t, chain.contracts.Management.PutContractState(chain.dao, contractState))
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id := contractState.ID
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for i := range skeys {
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err := context.DAO.PutStorageItem(id, skeys[i], items[i])
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require.NoError(t, err)
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}
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testFind := func(t *testing.T, prefix byte, opts int64, expected []stackitem.Item) {
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v.Estack().PushVal(opts)
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v.Estack().PushVal([]byte{prefix})
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v.Estack().PushVal(stackitem.NewInterop(&StorageContext{ID: id}))
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err := storageFind(context)
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require.NoError(t, err)
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var iter *stackitem.Interop
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require.NotPanics(t, func() { iter = v.Estack().Pop().Interop() })
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for i := range expected { // sorted indices with mathing prefix
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v.Estack().PushVal(iter)
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require.NoError(t, iterator.Next(context))
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require.True(t, v.Estack().Pop().Bool())
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v.Estack().PushVal(iter)
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if expected[i] == nil {
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require.Panics(t, func() { _ = iterator.Value(context) })
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return
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}
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require.NoError(t, iterator.Value(context))
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require.Equal(t, expected[i], v.Estack().Pop().Item())
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}
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v.Estack().PushVal(iter)
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require.NoError(t, iterator.Next(context))
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require.False(t, v.Estack().Pop().Bool())
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}
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t.Run("normal invocation", func(t *testing.T) {
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testFind(t, 0x01, istorage.FindDefault, []stackitem.Item{
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stackitem.NewStruct([]stackitem.Item{
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stackitem.NewByteArray(skeys[2]),
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stackitem.NewByteArray(items[2].Value),
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}),
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stackitem.NewStruct([]stackitem.Item{
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stackitem.NewByteArray(skeys[0]),
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stackitem.NewByteArray(items[0].Value),
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}),
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})
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})
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t.Run("keys only", func(t *testing.T) {
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testFind(t, 0x01, istorage.FindKeysOnly, []stackitem.Item{
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stackitem.NewByteArray(skeys[2]),
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stackitem.NewByteArray(skeys[0]),
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})
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})
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t.Run("remove prefix", func(t *testing.T) {
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testFind(t, 0x01, istorage.FindKeysOnly|istorage.FindRemovePrefix, []stackitem.Item{
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stackitem.NewByteArray(skeys[2][1:]),
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stackitem.NewByteArray(skeys[0][1:]),
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})
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})
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t.Run("values only", func(t *testing.T) {
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testFind(t, 0x01, istorage.FindValuesOnly, []stackitem.Item{
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stackitem.NewByteArray(items[2].Value),
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stackitem.NewByteArray(items[0].Value),
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})
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})
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t.Run("deserialize values", func(t *testing.T) {
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testFind(t, 0x04, istorage.FindValuesOnly|istorage.FindDeserialize, []stackitem.Item{
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stackitem.NewByteArray(items[3].Value[2:]),
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})
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t.Run("invalid", func(t *testing.T) {
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v.Estack().PushVal(istorage.FindDeserialize)
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v.Estack().PushVal([]byte{0x05})
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v.Estack().PushVal(stackitem.NewInterop(&StorageContext{ID: id}))
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err := storageFind(context)
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require.NoError(t, err)
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var iter *stackitem.Interop
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require.NotPanics(t, func() { iter = v.Estack().Pop().Interop() })
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v.Estack().PushVal(iter)
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require.NoError(t, iterator.Next(context))
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v.Estack().PushVal(iter)
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require.Panics(t, func() { _ = iterator.Value(context) })
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})
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})
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t.Run("PickN", func(t *testing.T) {
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testFind(t, 0x06, istorage.FindPick0|istorage.FindValuesOnly|istorage.FindDeserialize, arr[:1])
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testFind(t, 0x06, istorage.FindPick1|istorage.FindValuesOnly|istorage.FindDeserialize, arr[1:2])
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// Array with 0 elements.
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testFind(t, 0x07, istorage.FindPick0|istorage.FindValuesOnly|istorage.FindDeserialize,
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[]stackitem.Item{nil})
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// Array with 1 element.
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testFind(t, 0x08, istorage.FindPick1|istorage.FindValuesOnly|istorage.FindDeserialize,
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[]stackitem.Item{nil})
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// Not an array, but serialized ByteArray.
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testFind(t, 0x04, istorage.FindPick1|istorage.FindValuesOnly|istorage.FindDeserialize,
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[]stackitem.Item{nil})
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})
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t.Run("normal invocation, empty result", func(t *testing.T) {
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testFind(t, 0x03, istorage.FindDefault, nil)
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})
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t.Run("invalid options", func(t *testing.T) {
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invalid := []int64{
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istorage.FindKeysOnly | istorage.FindValuesOnly,
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^istorage.FindAll,
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istorage.FindKeysOnly | istorage.FindDeserialize,
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istorage.FindPick0,
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istorage.FindPick0 | istorage.FindPick1 | istorage.FindDeserialize,
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istorage.FindPick0 | istorage.FindPick1,
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}
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for _, opts := range invalid {
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v.Estack().PushVal(opts)
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v.Estack().PushVal([]byte{0x01})
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v.Estack().PushVal(stackitem.NewInterop(&StorageContext{ID: id}))
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require.Error(t, storageFind(context))
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}
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})
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t.Run("invalid type for StorageContext", func(t *testing.T) {
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v.Estack().PushVal(istorage.FindDefault)
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v.Estack().PushVal([]byte{0x01})
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v.Estack().PushVal(stackitem.NewInterop(nil))
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require.Error(t, storageFind(context))
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})
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t.Run("invalid id", func(t *testing.T) {
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invalidID := id + 1
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v.Estack().PushVal(istorage.FindDefault)
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v.Estack().PushVal([]byte{0x01})
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v.Estack().PushVal(stackitem.NewInterop(&StorageContext{ID: invalidID}))
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require.NoError(t, storageFind(context))
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require.NoError(t, iterator.Next(context))
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require.False(t, v.Estack().Pop().Bool())
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})
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}
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// Helper functions to create VM, InteropContext, TX, Account, Contract.
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func createVM(t *testing.T) (*vm.VM, *interop.Context, *Blockchain) {
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chain := newTestChain(t)
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context := chain.newInteropContext(trigger.Application,
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dao.NewSimple(storage.NewMemoryStore(), netmode.UnitTestNet, chain.config.StateRootInHeader), nil, nil)
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v := context.SpawnVM()
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return v, context, chain
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}
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func createVMAndPushBlock(t *testing.T) (*vm.VM, *block.Block, *interop.Context, *Blockchain) {
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v, block, context, chain := createVMAndBlock(t)
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v.Estack().PushVal(stackitem.NewInterop(block))
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return v, block, context, chain
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}
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func createVMAndBlock(t *testing.T) (*vm.VM, *block.Block, *interop.Context, *Blockchain) {
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block := newDumbBlock()
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chain := newTestChain(t)
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d := dao.NewSimple(storage.NewMemoryStore(), netmode.UnitTestNet, chain.GetConfig().StateRootInHeader)
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context := chain.newInteropContext(trigger.Application, d, block, nil)
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v := context.SpawnVM()
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return v, block, context, chain
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}
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func createVMAndPushTX(t *testing.T) (*vm.VM, *transaction.Transaction, *interop.Context, *Blockchain) {
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v, tx, context, chain := createVMAndTX(t)
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v.Estack().PushVal(stackitem.NewInterop(tx))
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return v, tx, context, chain
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}
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func createVMAndContractState(t *testing.T) (*vm.VM, *state.Contract, *interop.Context, *Blockchain) {
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script := []byte("testscript")
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m := manifest.NewManifest("Test")
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ne, err := nef.NewFile(script)
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require.NoError(t, err)
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contractState := &state.Contract{
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NEF: *ne,
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Hash: hash.Hash160(script),
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Manifest: *m,
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ID: 123,
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}
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chain := newTestChain(t)
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d := dao.NewSimple(storage.NewMemoryStore(), netmode.UnitTestNet, chain.config.StateRootInHeader)
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context := chain.newInteropContext(trigger.Application, d, nil, nil)
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v := context.SpawnVM()
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return v, contractState, context, chain
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}
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func createVMAndTX(t *testing.T) (*vm.VM, *transaction.Transaction, *interop.Context, *Blockchain) {
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script := []byte{byte(opcode.PUSH1), byte(opcode.RET)}
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tx := transaction.New(netmode.UnitTestNet, script, 0)
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tx.Signers = []transaction.Signer{{Account: util.Uint160{1, 2, 3, 4}}}
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chain := newTestChain(t)
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d := dao.NewSimple(storage.NewMemoryStore(), netmode.UnitTestNet, chain.config.StateRootInHeader)
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context := chain.newInteropContext(trigger.Application, d, nil, tx)
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v := context.SpawnVM()
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return v, tx, context, chain
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}
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