neoneo-go/pkg/core/interop_neo_test.go

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