mirror of
https://github.com/nspcc-dev/neo-go.git
synced 2024-11-23 13:38:35 +00:00
943 lines
31 KiB
Go
943 lines
31 KiB
Go
package core
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import (
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"errors"
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"math"
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"math/big"
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"testing"
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"github.com/nspcc-dev/neo-go/internal/random"
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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/contract"
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"github.com/nspcc-dev/neo-go/pkg/core/interop/interopnames"
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"github.com/nspcc-dev/neo-go/pkg/core/interop/runtime"
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"github.com/nspcc-dev/neo-go/pkg/core/native"
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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/crypto/keys"
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"github.com/nspcc-dev/neo-go/pkg/io"
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"github.com/nspcc-dev/neo-go/pkg/smartcontract"
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"github.com/nspcc-dev/neo-go/pkg/smartcontract/callflag"
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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/util"
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"github.com/nspcc-dev/neo-go/pkg/vm/emit"
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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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func TestContractCreateAccount(t *testing.T) {
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v, ic, _ := createVM(t)
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t.Run("Good", func(t *testing.T) {
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priv, err := keys.NewPrivateKey()
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require.NoError(t, err)
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pub := priv.PublicKey()
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v.Estack().PushVal(pub.Bytes())
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require.NoError(t, contractCreateStandardAccount(ic))
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value := v.Estack().Pop().Bytes()
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u, err := util.Uint160DecodeBytesBE(value)
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require.NoError(t, err)
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require.Equal(t, pub.GetScriptHash(), u)
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})
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t.Run("InvalidKey", func(t *testing.T) {
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v.Estack().PushVal([]byte{1, 2, 3})
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require.Error(t, contractCreateStandardAccount(ic))
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})
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}
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func TestContractCreateMultisigAccount(t *testing.T) {
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v, ic, _ := createVM(t)
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t.Run("Good", func(t *testing.T) {
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m, n := 3, 5
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pubs := make(keys.PublicKeys, n)
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arr := make([]stackitem.Item, n)
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for i := range pubs {
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pk, err := keys.NewPrivateKey()
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require.NoError(t, err)
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pubs[i] = pk.PublicKey()
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arr[i] = stackitem.Make(pubs[i].Bytes())
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}
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v.Estack().PushVal(stackitem.Make(arr))
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v.Estack().PushVal(m)
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require.NoError(t, contractCreateMultisigAccount(ic))
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expected, err := smartcontract.CreateMultiSigRedeemScript(m, pubs)
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require.NoError(t, err)
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value := v.Estack().Pop().Bytes()
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u, err := util.Uint160DecodeBytesBE(value)
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require.NoError(t, err)
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require.Equal(t, hash.Hash160(expected), u)
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})
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t.Run("InvalidKey", func(t *testing.T) {
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v.Estack().PushVal(stackitem.Make([]stackitem.Item{stackitem.Make([]byte{1, 2, 3})}))
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v.Estack().PushVal(1)
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require.Error(t, contractCreateMultisigAccount(ic))
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})
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t.Run("Invalid m", func(t *testing.T) {
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pk, err := keys.NewPrivateKey()
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require.NoError(t, err)
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v.Estack().PushVal(stackitem.Make([]stackitem.Item{stackitem.Make(pk.PublicKey().Bytes())}))
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v.Estack().PushVal(2)
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require.Error(t, contractCreateMultisigAccount(ic))
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})
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t.Run("m overflows int64", func(t *testing.T) {
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pk, err := keys.NewPrivateKey()
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require.NoError(t, err)
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v.Estack().PushVal(stackitem.Make([]stackitem.Item{stackitem.Make(pk.PublicKey().Bytes())}))
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m := big.NewInt(math.MaxInt64)
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m.Add(m, big.NewInt(1))
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v.Estack().PushVal(stackitem.NewBigInteger(m))
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require.Error(t, contractCreateMultisigAccount(ic))
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})
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}
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func TestRuntimeGasLeft(t *testing.T) {
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v, ic, _ := createVM(t)
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v.GasLimit = 100
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v.AddGas(58)
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require.NoError(t, runtime.GasLeft(ic))
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require.EqualValues(t, 42, v.Estack().Pop().BigInt().Int64())
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}
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func TestRuntimeGetNotifications(t *testing.T) {
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v, ic, _ := createVM(t)
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ic.Notifications = []state.NotificationEvent{
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{ScriptHash: util.Uint160{1}, Name: "Event1", Item: stackitem.NewArray([]stackitem.Item{stackitem.NewByteArray([]byte{11})})},
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{ScriptHash: util.Uint160{2}, Name: "Event2", Item: stackitem.NewArray([]stackitem.Item{stackitem.NewByteArray([]byte{22})})},
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{ScriptHash: util.Uint160{1}, Name: "Event1", Item: stackitem.NewArray([]stackitem.Item{stackitem.NewByteArray([]byte{33})})},
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}
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t.Run("NoFilter", func(t *testing.T) {
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v.Estack().PushVal(stackitem.Null{})
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require.NoError(t, runtime.GetNotifications(ic))
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arr := v.Estack().Pop().Array()
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require.Equal(t, len(ic.Notifications), len(arr))
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for i := range arr {
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elem := arr[i].Value().([]stackitem.Item)
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require.Equal(t, ic.Notifications[i].ScriptHash.BytesBE(), elem[0].Value())
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name, err := stackitem.ToString(elem[1])
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require.NoError(t, err)
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require.Equal(t, ic.Notifications[i].Name, name)
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require.Equal(t, ic.Notifications[i].Item, elem[2])
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}
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})
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t.Run("WithFilter", func(t *testing.T) {
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h := util.Uint160{2}.BytesBE()
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v.Estack().PushVal(h)
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require.NoError(t, runtime.GetNotifications(ic))
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arr := v.Estack().Pop().Array()
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require.Equal(t, 1, len(arr))
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elem := arr[0].Value().([]stackitem.Item)
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require.Equal(t, h, elem[0].Value())
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name, err := stackitem.ToString(elem[1])
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require.NoError(t, err)
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require.Equal(t, ic.Notifications[1].Name, name)
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require.Equal(t, ic.Notifications[1].Item, elem[2])
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})
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}
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func TestRuntimeGetInvocationCounter(t *testing.T) {
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v, ic, _ := createVM(t)
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ic.VM.Invocations[hash.Hash160([]byte{2})] = 42
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t.Run("No invocations", func(t *testing.T) {
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v.LoadScript([]byte{1})
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// do not return an error in this case.
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require.NoError(t, runtime.GetInvocationCounter(ic))
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require.EqualValues(t, 1, v.Estack().Pop().BigInt().Int64())
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})
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t.Run("NonZero", func(t *testing.T) {
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v.LoadScript([]byte{2})
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require.NoError(t, runtime.GetInvocationCounter(ic))
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require.EqualValues(t, 42, v.Estack().Pop().BigInt().Int64())
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})
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}
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func TestStoragePut(t *testing.T) {
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_, cs, ic, bc := createVMAndContractState(t)
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require.NoError(t, bc.contracts.Management.PutContractState(ic.DAO, cs))
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initVM := func(t *testing.T, key, value []byte, gas int64) {
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v := ic.SpawnVM()
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v.LoadScript(cs.NEF.Script)
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v.GasLimit = gas
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v.Estack().PushVal(value)
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v.Estack().PushVal(key)
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require.NoError(t, storageGetContext(ic))
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}
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t.Run("create, not enough gas", func(t *testing.T) {
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initVM(t, []byte{1}, []byte{2, 3}, 2*native.DefaultStoragePrice)
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err := storagePut(ic)
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require.True(t, errors.Is(err, errGasLimitExceeded), "got: %v", err)
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})
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initVM(t, []byte{4}, []byte{5, 6}, 3*native.DefaultStoragePrice)
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require.NoError(t, storagePut(ic))
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t.Run("update", func(t *testing.T) {
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t.Run("not enough gas", func(t *testing.T) {
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initVM(t, []byte{4}, []byte{5, 6, 7, 8}, native.DefaultStoragePrice)
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err := storagePut(ic)
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require.True(t, errors.Is(err, errGasLimitExceeded), "got: %v", err)
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})
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initVM(t, []byte{4}, []byte{5, 6, 7, 8}, 3*native.DefaultStoragePrice)
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require.NoError(t, storagePut(ic))
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initVM(t, []byte{4}, []byte{5, 6}, native.DefaultStoragePrice)
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require.NoError(t, storagePut(ic))
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})
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t.Run("check limits", func(t *testing.T) {
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initVM(t, make([]byte, storage.MaxStorageKeyLen), make([]byte, storage.MaxStorageValueLen), -1)
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require.NoError(t, storagePut(ic))
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})
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t.Run("bad", func(t *testing.T) {
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t.Run("readonly context", func(t *testing.T) {
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initVM(t, []byte{1}, []byte{1}, -1)
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require.NoError(t, storageContextAsReadOnly(ic))
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require.Error(t, storagePut(ic))
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})
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t.Run("big key", func(t *testing.T) {
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initVM(t, make([]byte, storage.MaxStorageKeyLen+1), []byte{1}, -1)
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require.Error(t, storagePut(ic))
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})
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t.Run("big value", func(t *testing.T) {
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initVM(t, []byte{1}, make([]byte, storage.MaxStorageValueLen+1), -1)
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require.Error(t, storagePut(ic))
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})
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})
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}
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func TestStorageDelete(t *testing.T) {
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v, cs, ic, bc := createVMAndContractState(t)
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require.NoError(t, bc.contracts.Management.PutContractState(ic.DAO, cs))
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v.LoadScriptWithHash(cs.NEF.Script, cs.Hash, callflag.All)
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put := func(key, value string, flag int) {
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v.Estack().PushVal(value)
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v.Estack().PushVal(key)
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require.NoError(t, storageGetContext(ic))
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require.NoError(t, storagePut(ic))
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}
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put("key1", "value1", 0)
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put("key2", "value2", 0)
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put("key3", "value3", 0)
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t.Run("good", func(t *testing.T) {
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v.Estack().PushVal("key1")
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require.NoError(t, storageGetContext(ic))
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require.NoError(t, storageDelete(ic))
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})
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t.Run("readonly context", func(t *testing.T) {
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v.Estack().PushVal("key2")
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require.NoError(t, storageGetReadOnlyContext(ic))
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require.Error(t, storageDelete(ic))
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})
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t.Run("readonly context (from normal)", func(t *testing.T) {
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v.Estack().PushVal("key3")
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require.NoError(t, storageGetContext(ic))
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require.NoError(t, storageContextAsReadOnly(ic))
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require.Error(t, storageDelete(ic))
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})
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}
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// getTestContractState returns 2 contracts second of which is allowed to call the first.
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func getTestContractState(bc *Blockchain) (*state.Contract, *state.Contract) {
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mgmtHash := bc.ManagementContractHash()
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stdHash := bc.contracts.Std.Hash
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w := io.NewBufBinWriter()
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emit.Opcodes(w.BinWriter, opcode.ABORT)
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addOff := w.Len()
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emit.Opcodes(w.BinWriter, opcode.ADD, opcode.RET)
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addMultiOff := w.Len()
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emit.Opcodes(w.BinWriter, opcode.ADD, opcode.ADD, opcode.RET)
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ret7Off := w.Len()
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emit.Opcodes(w.BinWriter, opcode.PUSH7, opcode.RET)
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dropOff := w.Len()
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emit.Opcodes(w.BinWriter, opcode.DROP, opcode.RET)
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initOff := w.Len()
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emit.Opcodes(w.BinWriter, opcode.INITSSLOT, 1, opcode.PUSH3, opcode.STSFLD0, opcode.RET)
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add3Off := w.Len()
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emit.Opcodes(w.BinWriter, opcode.LDSFLD0, opcode.ADD, opcode.RET)
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invalidRetOff := w.Len()
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emit.Opcodes(w.BinWriter, opcode.PUSH1, opcode.PUSH2, opcode.RET)
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justRetOff := w.Len()
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emit.Opcodes(w.BinWriter, opcode.RET)
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verifyOff := w.Len()
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emit.Opcodes(w.BinWriter, opcode.LDSFLD0, opcode.SUB,
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opcode.CONVERT, opcode.Opcode(stackitem.BooleanT), opcode.RET)
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deployOff := w.Len()
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emit.Opcodes(w.BinWriter, opcode.SWAP, opcode.JMPIF, 2+8+1+1+1+1+39+3)
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emit.String(w.BinWriter, "create") // 8 bytes
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emit.Int(w.BinWriter, 2) // 1 byte
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emit.Opcodes(w.BinWriter, opcode.PACK) // 1 byte
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emit.Int(w.BinWriter, 1) // 1 byte (args count for `serialize`)
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emit.Opcodes(w.BinWriter, opcode.PACK) // 1 byte (pack args into array for `serialize`)
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emit.AppCallNoArgs(w.BinWriter, stdHash, "serialize", callflag.All) // 39 bytes
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emit.Opcodes(w.BinWriter, opcode.CALL, 3+8+1+1+1+1+39+3, opcode.RET)
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emit.String(w.BinWriter, "update") // 8 bytes
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emit.Int(w.BinWriter, 2) // 1 byte
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emit.Opcodes(w.BinWriter, opcode.PACK) // 1 byte
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emit.Int(w.BinWriter, 1) // 1 byte (args count for `serialize`)
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emit.Opcodes(w.BinWriter, opcode.PACK) // 1 byte (pack args into array for `serialize`)
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emit.AppCallNoArgs(w.BinWriter, stdHash, "serialize", callflag.All) // 39 bytes
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emit.Opcodes(w.BinWriter, opcode.CALL, 3, opcode.RET)
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putValOff := w.Len()
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emit.String(w.BinWriter, "initial")
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emit.Syscall(w.BinWriter, interopnames.SystemStorageGetContext)
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emit.Syscall(w.BinWriter, interopnames.SystemStoragePut)
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emit.Opcodes(w.BinWriter, opcode.RET)
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getValOff := w.Len()
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emit.String(w.BinWriter, "initial")
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emit.Syscall(w.BinWriter, interopnames.SystemStorageGetContext)
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emit.Syscall(w.BinWriter, interopnames.SystemStorageGet)
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emit.Opcodes(w.BinWriter, opcode.RET)
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delValOff := w.Len()
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emit.Syscall(w.BinWriter, interopnames.SystemStorageGetContext)
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emit.Syscall(w.BinWriter, interopnames.SystemStorageDelete)
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emit.Opcodes(w.BinWriter, opcode.RET)
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onNEP17PaymentOff := w.Len()
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emit.Syscall(w.BinWriter, interopnames.SystemRuntimeGetCallingScriptHash)
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emit.Int(w.BinWriter, 4)
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emit.Opcodes(w.BinWriter, opcode.PACK)
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emit.String(w.BinWriter, "LastPayment")
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emit.Syscall(w.BinWriter, interopnames.SystemRuntimeNotify)
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emit.Opcodes(w.BinWriter, opcode.RET)
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onNEP11PaymentOff := w.Len()
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emit.Syscall(w.BinWriter, interopnames.SystemRuntimeGetCallingScriptHash)
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emit.Int(w.BinWriter, 4)
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emit.Opcodes(w.BinWriter, opcode.PACK)
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emit.String(w.BinWriter, "LostPayment")
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emit.Syscall(w.BinWriter, interopnames.SystemRuntimeNotify)
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emit.Opcodes(w.BinWriter, opcode.RET)
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update3Off := w.Len()
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emit.Int(w.BinWriter, 3)
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emit.Opcodes(w.BinWriter, opcode.JMP, 2+1)
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updateOff := w.Len()
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emit.Int(w.BinWriter, 2)
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emit.Opcodes(w.BinWriter, opcode.PACK)
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emit.AppCallNoArgs(w.BinWriter, mgmtHash, "update", callflag.All)
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emit.Opcodes(w.BinWriter, opcode.DROP)
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emit.Opcodes(w.BinWriter, opcode.RET)
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destroyOff := w.Len()
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emit.AppCall(w.BinWriter, mgmtHash, "destroy", callflag.All)
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emit.Opcodes(w.BinWriter, opcode.DROP)
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emit.Opcodes(w.BinWriter, opcode.RET)
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invalidStackOff := w.Len()
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emit.Opcodes(w.BinWriter, opcode.NEWARRAY0, opcode.DUP, opcode.DUP, opcode.APPEND, opcode.NEWMAP)
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emit.Syscall(w.BinWriter, interopnames.SystemIteratorCreate)
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emit.Opcodes(w.BinWriter, opcode.RET)
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callT0Off := w.Len()
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emit.Opcodes(w.BinWriter, opcode.CALLT, 0, 0, opcode.PUSH1, opcode.ADD, opcode.RET)
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callT1Off := w.Len()
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emit.Opcodes(w.BinWriter, opcode.CALLT, 1, 0, opcode.RET)
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callT2Off := w.Len()
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emit.Opcodes(w.BinWriter, opcode.CALLT, 0, 0, opcode.RET)
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script := w.Bytes()
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h := hash.Hash160(script)
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m := manifest.NewManifest("TestMain")
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m.ABI.Methods = []manifest.Method{
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{
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Name: "add",
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Offset: addOff,
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Parameters: []manifest.Parameter{
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manifest.NewParameter("addend1", smartcontract.IntegerType),
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manifest.NewParameter("addend2", smartcontract.IntegerType),
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},
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ReturnType: smartcontract.IntegerType,
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},
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{
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Name: "add",
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Offset: addMultiOff,
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Parameters: []manifest.Parameter{
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manifest.NewParameter("addend1", smartcontract.IntegerType),
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manifest.NewParameter("addend2", smartcontract.IntegerType),
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manifest.NewParameter("addend3", smartcontract.IntegerType),
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},
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ReturnType: smartcontract.IntegerType,
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},
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{
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Name: "ret7",
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Offset: ret7Off,
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Parameters: []manifest.Parameter{},
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ReturnType: smartcontract.IntegerType,
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},
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{
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Name: "drop",
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Offset: dropOff,
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ReturnType: smartcontract.VoidType,
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},
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{
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Name: manifest.MethodInit,
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Offset: initOff,
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ReturnType: smartcontract.VoidType,
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},
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{
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Name: "add3",
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Offset: add3Off,
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Parameters: []manifest.Parameter{
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manifest.NewParameter("addend", smartcontract.IntegerType),
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},
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ReturnType: smartcontract.IntegerType,
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},
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{
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Name: "invalidReturn",
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Offset: invalidRetOff,
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ReturnType: smartcontract.IntegerType,
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},
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{
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Name: "justReturn",
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Offset: justRetOff,
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ReturnType: smartcontract.VoidType,
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},
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{
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Name: manifest.MethodVerify,
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Offset: verifyOff,
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ReturnType: smartcontract.BoolType,
|
|
},
|
|
{
|
|
Name: manifest.MethodDeploy,
|
|
Offset: deployOff,
|
|
Parameters: []manifest.Parameter{
|
|
manifest.NewParameter("data", smartcontract.AnyType),
|
|
manifest.NewParameter("isUpdate", smartcontract.BoolType),
|
|
},
|
|
ReturnType: smartcontract.VoidType,
|
|
},
|
|
{
|
|
Name: "getValue",
|
|
Offset: getValOff,
|
|
ReturnType: smartcontract.StringType,
|
|
},
|
|
{
|
|
Name: "putValue",
|
|
Offset: putValOff,
|
|
Parameters: []manifest.Parameter{
|
|
manifest.NewParameter("value", smartcontract.StringType),
|
|
},
|
|
ReturnType: smartcontract.VoidType,
|
|
},
|
|
{
|
|
Name: "delValue",
|
|
Offset: delValOff,
|
|
Parameters: []manifest.Parameter{
|
|
manifest.NewParameter("key", smartcontract.StringType),
|
|
},
|
|
ReturnType: smartcontract.VoidType,
|
|
},
|
|
{
|
|
Name: manifest.MethodOnNEP11Payment,
|
|
Offset: onNEP11PaymentOff,
|
|
Parameters: []manifest.Parameter{
|
|
manifest.NewParameter("from", smartcontract.Hash160Type),
|
|
manifest.NewParameter("amount", smartcontract.IntegerType),
|
|
manifest.NewParameter("tokenid", smartcontract.ByteArrayType),
|
|
},
|
|
ReturnType: smartcontract.VoidType,
|
|
},
|
|
{
|
|
Name: manifest.MethodOnNEP17Payment,
|
|
Offset: onNEP17PaymentOff,
|
|
Parameters: []manifest.Parameter{
|
|
manifest.NewParameter("from", smartcontract.Hash160Type),
|
|
manifest.NewParameter("amount", smartcontract.IntegerType),
|
|
manifest.NewParameter("data", smartcontract.AnyType),
|
|
},
|
|
ReturnType: smartcontract.VoidType,
|
|
},
|
|
{
|
|
Name: "update",
|
|
Offset: updateOff,
|
|
Parameters: []manifest.Parameter{
|
|
manifest.NewParameter("nef", smartcontract.ByteArrayType),
|
|
manifest.NewParameter("manifest", smartcontract.ByteArrayType),
|
|
},
|
|
ReturnType: smartcontract.VoidType,
|
|
},
|
|
{
|
|
Name: "update",
|
|
Offset: update3Off,
|
|
Parameters: []manifest.Parameter{
|
|
manifest.NewParameter("nef", smartcontract.ByteArrayType),
|
|
manifest.NewParameter("manifest", smartcontract.ByteArrayType),
|
|
manifest.NewParameter("data", smartcontract.AnyType),
|
|
},
|
|
ReturnType: smartcontract.VoidType,
|
|
},
|
|
{
|
|
Name: "destroy",
|
|
Offset: destroyOff,
|
|
ReturnType: smartcontract.VoidType,
|
|
},
|
|
{
|
|
Name: "invalidStack",
|
|
Offset: invalidStackOff,
|
|
ReturnType: smartcontract.VoidType,
|
|
},
|
|
{
|
|
Name: "callT0",
|
|
Offset: callT0Off,
|
|
Parameters: []manifest.Parameter{
|
|
manifest.NewParameter("address", smartcontract.Hash160Type),
|
|
},
|
|
ReturnType: smartcontract.IntegerType,
|
|
},
|
|
{
|
|
Name: "callT1",
|
|
Offset: callT1Off,
|
|
ReturnType: smartcontract.IntegerType,
|
|
},
|
|
{
|
|
Name: "callT2",
|
|
Offset: callT2Off,
|
|
ReturnType: smartcontract.IntegerType,
|
|
},
|
|
}
|
|
m.Permissions = make([]manifest.Permission, 2)
|
|
m.Permissions[0].Contract.Type = manifest.PermissionHash
|
|
m.Permissions[0].Contract.Value = bc.contracts.NEO.Hash
|
|
m.Permissions[0].Methods.Add("balanceOf")
|
|
|
|
m.Permissions[1].Contract.Type = manifest.PermissionHash
|
|
m.Permissions[1].Contract.Value = util.Uint160{}
|
|
m.Permissions[1].Methods.Add("method")
|
|
|
|
cs := &state.Contract{
|
|
ContractBase: state.ContractBase{
|
|
Hash: h,
|
|
Manifest: *m,
|
|
ID: 42,
|
|
},
|
|
}
|
|
ne, err := nef.NewFile(script)
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
ne.Tokens = []nef.MethodToken{
|
|
{
|
|
Hash: bc.contracts.NEO.Hash,
|
|
Method: "balanceOf",
|
|
ParamCount: 1,
|
|
HasReturn: true,
|
|
CallFlag: callflag.ReadStates,
|
|
},
|
|
{
|
|
Hash: util.Uint160{},
|
|
Method: "method",
|
|
HasReturn: true,
|
|
CallFlag: callflag.ReadStates,
|
|
},
|
|
}
|
|
ne.Checksum = ne.CalculateChecksum()
|
|
cs.NEF = *ne
|
|
|
|
currScript := []byte{byte(opcode.RET)}
|
|
m = manifest.NewManifest("TestAux")
|
|
perm := manifest.NewPermission(manifest.PermissionHash, h)
|
|
perm.Methods.Add("add")
|
|
perm.Methods.Add("drop")
|
|
perm.Methods.Add("add3")
|
|
perm.Methods.Add("invalidReturn")
|
|
perm.Methods.Add("justReturn")
|
|
perm.Methods.Add("getValue")
|
|
m.Permissions = append(m.Permissions, *perm)
|
|
ne, err = nef.NewFile(currScript)
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
|
|
return cs, &state.Contract{
|
|
ContractBase: state.ContractBase{
|
|
NEF: *ne,
|
|
Hash: hash.Hash160(currScript),
|
|
Manifest: *m,
|
|
ID: 123,
|
|
},
|
|
}
|
|
}
|
|
|
|
func loadScript(ic *interop.Context, script []byte, args ...interface{}) {
|
|
ic.SpawnVM()
|
|
ic.VM.LoadScriptWithFlags(script, callflag.AllowCall)
|
|
for i := range args {
|
|
ic.VM.Estack().PushVal(args[i])
|
|
}
|
|
ic.VM.GasLimit = -1
|
|
}
|
|
|
|
func loadScriptWithHashAndFlags(ic *interop.Context, script []byte, hash util.Uint160, f callflag.CallFlag, args ...interface{}) {
|
|
ic.SpawnVM()
|
|
ic.VM.LoadScriptWithHash(script, hash, f)
|
|
for i := range args {
|
|
ic.VM.Estack().PushVal(args[i])
|
|
}
|
|
ic.VM.GasLimit = -1
|
|
}
|
|
|
|
func TestContractCall(t *testing.T) {
|
|
_, ic, bc := createVM(t)
|
|
|
|
cs, currCs := getTestContractState(bc)
|
|
require.NoError(t, bc.contracts.Management.PutContractState(ic.DAO, cs))
|
|
require.NoError(t, bc.contracts.Management.PutContractState(ic.DAO, currCs))
|
|
|
|
currScript := currCs.NEF.Script
|
|
h := hash.Hash160(cs.NEF.Script)
|
|
|
|
addArgs := stackitem.NewArray([]stackitem.Item{stackitem.Make(1), stackitem.Make(2)})
|
|
t.Run("Good", func(t *testing.T) {
|
|
t.Run("2 arguments", func(t *testing.T) {
|
|
loadScript(ic, currScript, 42)
|
|
ic.VM.Estack().PushVal(addArgs)
|
|
ic.VM.Estack().PushVal(callflag.All)
|
|
ic.VM.Estack().PushVal("add")
|
|
ic.VM.Estack().PushVal(h.BytesBE())
|
|
require.NoError(t, contract.Call(ic))
|
|
require.NoError(t, ic.VM.Run())
|
|
require.Equal(t, 2, ic.VM.Estack().Len())
|
|
require.Equal(t, big.NewInt(3), ic.VM.Estack().Pop().Value())
|
|
require.Equal(t, big.NewInt(42), ic.VM.Estack().Pop().Value())
|
|
})
|
|
t.Run("3 arguments", func(t *testing.T) {
|
|
loadScript(ic, currScript, 42)
|
|
ic.VM.Estack().PushVal(stackitem.NewArray(
|
|
append(addArgs.Value().([]stackitem.Item), stackitem.Make(3))))
|
|
ic.VM.Estack().PushVal(callflag.All)
|
|
ic.VM.Estack().PushVal("add")
|
|
ic.VM.Estack().PushVal(h.BytesBE())
|
|
require.NoError(t, contract.Call(ic))
|
|
require.NoError(t, ic.VM.Run())
|
|
require.Equal(t, 2, ic.VM.Estack().Len())
|
|
require.Equal(t, big.NewInt(6), ic.VM.Estack().Pop().Value())
|
|
require.Equal(t, big.NewInt(42), ic.VM.Estack().Pop().Value())
|
|
})
|
|
})
|
|
|
|
t.Run("CallExInvalidFlag", func(t *testing.T) {
|
|
loadScript(ic, currScript, 42)
|
|
ic.VM.Estack().PushVal(addArgs)
|
|
ic.VM.Estack().PushVal(byte(0xFF))
|
|
ic.VM.Estack().PushVal("add")
|
|
ic.VM.Estack().PushVal(h.BytesBE())
|
|
require.Error(t, contract.Call(ic))
|
|
})
|
|
|
|
runInvalid := func(args ...interface{}) func(t *testing.T) {
|
|
return func(t *testing.T) {
|
|
loadScriptWithHashAndFlags(ic, currScript, h, callflag.All, 42)
|
|
for i := range args {
|
|
ic.VM.Estack().PushVal(args[i])
|
|
}
|
|
// interops can both return error and panic,
|
|
// we don't care which kind of error has occurred
|
|
require.Panics(t, func() {
|
|
err := contract.Call(ic)
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
})
|
|
}
|
|
}
|
|
|
|
t.Run("Invalid", func(t *testing.T) {
|
|
t.Run("Hash", runInvalid(addArgs, "add", h.BytesBE()[1:]))
|
|
t.Run("MissingHash", runInvalid(addArgs, "add", util.Uint160{}.BytesBE()))
|
|
t.Run("Method", runInvalid(addArgs, stackitem.NewInterop("add"), h.BytesBE()))
|
|
t.Run("MissingMethod", runInvalid(addArgs, "sub", h.BytesBE()))
|
|
t.Run("DisallowedMethod", runInvalid(stackitem.NewArray(nil), "ret7", h.BytesBE()))
|
|
t.Run("Arguments", runInvalid(1, "add", h.BytesBE()))
|
|
t.Run("NotEnoughArguments", runInvalid(
|
|
stackitem.NewArray([]stackitem.Item{stackitem.Make(1)}), "add", h.BytesBE()))
|
|
t.Run("TooMuchArguments", runInvalid(
|
|
stackitem.NewArray([]stackitem.Item{
|
|
stackitem.Make(1), stackitem.Make(2), stackitem.Make(3), stackitem.Make(4)}),
|
|
"add", h.BytesBE()))
|
|
})
|
|
|
|
t.Run("ReturnValues", func(t *testing.T) {
|
|
t.Run("Many", func(t *testing.T) {
|
|
loadScript(ic, currScript, 42)
|
|
ic.VM.Estack().PushVal(stackitem.NewArray(nil))
|
|
ic.VM.Estack().PushVal(callflag.All)
|
|
ic.VM.Estack().PushVal("invalidReturn")
|
|
ic.VM.Estack().PushVal(h.BytesBE())
|
|
require.NoError(t, contract.Call(ic))
|
|
require.Error(t, ic.VM.Run())
|
|
})
|
|
t.Run("Void", func(t *testing.T) {
|
|
loadScript(ic, currScript, 42)
|
|
ic.VM.Estack().PushVal(stackitem.NewArray(nil))
|
|
ic.VM.Estack().PushVal(callflag.All)
|
|
ic.VM.Estack().PushVal("justReturn")
|
|
ic.VM.Estack().PushVal(h.BytesBE())
|
|
require.NoError(t, contract.Call(ic))
|
|
require.NoError(t, ic.VM.Run())
|
|
require.Equal(t, 2, ic.VM.Estack().Len())
|
|
require.Equal(t, stackitem.Null{}, ic.VM.Estack().Pop().Item())
|
|
require.Equal(t, big.NewInt(42), ic.VM.Estack().Pop().Value())
|
|
})
|
|
})
|
|
|
|
t.Run("IsolatedStack", func(t *testing.T) {
|
|
loadScript(ic, currScript, 42)
|
|
ic.VM.Estack().PushVal(stackitem.NewArray(nil))
|
|
ic.VM.Estack().PushVal(callflag.All)
|
|
ic.VM.Estack().PushVal("drop")
|
|
ic.VM.Estack().PushVal(h.BytesBE())
|
|
require.NoError(t, contract.Call(ic))
|
|
require.Error(t, ic.VM.Run())
|
|
})
|
|
|
|
t.Run("CallInitialize", func(t *testing.T) {
|
|
t.Run("Directly", runInvalid(stackitem.NewArray([]stackitem.Item{}), "_initialize", h.BytesBE()))
|
|
|
|
loadScript(ic, currScript, 42)
|
|
ic.VM.Estack().PushVal(stackitem.NewArray([]stackitem.Item{stackitem.Make(5)}))
|
|
ic.VM.Estack().PushVal(callflag.All)
|
|
ic.VM.Estack().PushVal("add3")
|
|
ic.VM.Estack().PushVal(h.BytesBE())
|
|
require.NoError(t, contract.Call(ic))
|
|
require.NoError(t, ic.VM.Run())
|
|
require.Equal(t, 2, ic.VM.Estack().Len())
|
|
require.Equal(t, big.NewInt(8), ic.VM.Estack().Pop().Value())
|
|
require.Equal(t, big.NewInt(42), ic.VM.Estack().Pop().Value())
|
|
})
|
|
}
|
|
|
|
func TestContractGetCallFlags(t *testing.T) {
|
|
v, ic, _ := createVM(t)
|
|
|
|
v.LoadScriptWithHash([]byte{byte(opcode.RET)}, util.Uint160{1, 2, 3}, callflag.All)
|
|
require.NoError(t, contractGetCallFlags(ic))
|
|
require.Equal(t, int64(callflag.All), v.Estack().Pop().Value().(*big.Int).Int64())
|
|
}
|
|
|
|
func TestRuntimeCheckWitness(t *testing.T) {
|
|
_, ic, bc := createVM(t)
|
|
|
|
script := []byte{byte(opcode.RET)}
|
|
scriptHash := hash.Hash160(script)
|
|
check := func(t *testing.T, ic *interop.Context, arg interface{}, shouldFail bool, expected ...bool) {
|
|
ic.VM.Estack().PushVal(arg)
|
|
err := runtime.CheckWitness(ic)
|
|
if shouldFail {
|
|
require.Error(t, err)
|
|
} else {
|
|
require.NoError(t, err)
|
|
require.NotNil(t, expected)
|
|
actual, ok := ic.VM.Estack().Pop().Value().(bool)
|
|
require.True(t, ok)
|
|
require.Equal(t, expected[0], actual)
|
|
}
|
|
}
|
|
t.Run("error", func(t *testing.T) {
|
|
t.Run("not a hash or key", func(t *testing.T) {
|
|
check(t, ic, []byte{1, 2, 3}, true)
|
|
})
|
|
t.Run("script container is not a transaction", func(t *testing.T) {
|
|
loadScriptWithHashAndFlags(ic, script, scriptHash, callflag.ReadStates)
|
|
check(t, ic, random.Uint160().BytesBE(), true)
|
|
})
|
|
t.Run("check scope", func(t *testing.T) {
|
|
t.Run("CustomGroups, missing ReadStates flag", func(t *testing.T) {
|
|
hash := random.Uint160()
|
|
tx := &transaction.Transaction{
|
|
Signers: []transaction.Signer{
|
|
{
|
|
Account: hash,
|
|
Scopes: transaction.CustomGroups,
|
|
AllowedGroups: []*keys.PublicKey{},
|
|
},
|
|
},
|
|
}
|
|
ic.Container = tx
|
|
callingScriptHash := scriptHash
|
|
loadScriptWithHashAndFlags(ic, script, callingScriptHash, callflag.All)
|
|
ic.VM.LoadScriptWithHash([]byte{0x1}, random.Uint160(), callflag.AllowCall)
|
|
check(t, ic, hash.BytesBE(), true)
|
|
})
|
|
t.Run("CustomGroups, unknown contract", func(t *testing.T) {
|
|
hash := random.Uint160()
|
|
tx := &transaction.Transaction{
|
|
Signers: []transaction.Signer{
|
|
{
|
|
Account: hash,
|
|
Scopes: transaction.CustomGroups,
|
|
AllowedGroups: []*keys.PublicKey{},
|
|
},
|
|
},
|
|
}
|
|
ic.Container = tx
|
|
callingScriptHash := scriptHash
|
|
loadScriptWithHashAndFlags(ic, script, callingScriptHash, callflag.All)
|
|
ic.VM.LoadScriptWithHash([]byte{0x1}, random.Uint160(), callflag.ReadStates)
|
|
check(t, ic, hash.BytesBE(), true)
|
|
})
|
|
})
|
|
})
|
|
t.Run("positive", func(t *testing.T) {
|
|
t.Run("calling scripthash", func(t *testing.T) {
|
|
t.Run("hashed witness", func(t *testing.T) {
|
|
callingScriptHash := scriptHash
|
|
loadScriptWithHashAndFlags(ic, script, callingScriptHash, callflag.All)
|
|
ic.VM.LoadScriptWithHash([]byte{0x1}, random.Uint160(), callflag.All)
|
|
check(t, ic, callingScriptHash.BytesBE(), false, true)
|
|
})
|
|
t.Run("keyed witness", func(t *testing.T) {
|
|
pk, err := keys.NewPrivateKey()
|
|
require.NoError(t, err)
|
|
callingScriptHash := pk.PublicKey().GetScriptHash()
|
|
loadScriptWithHashAndFlags(ic, script, callingScriptHash, callflag.All)
|
|
ic.VM.LoadScriptWithHash([]byte{0x1}, random.Uint160(), callflag.All)
|
|
check(t, ic, pk.PublicKey().Bytes(), false, true)
|
|
})
|
|
})
|
|
t.Run("check scope", func(t *testing.T) {
|
|
t.Run("Global", func(t *testing.T) {
|
|
hash := random.Uint160()
|
|
tx := &transaction.Transaction{
|
|
Signers: []transaction.Signer{
|
|
{
|
|
Account: hash,
|
|
Scopes: transaction.Global,
|
|
},
|
|
},
|
|
}
|
|
loadScriptWithHashAndFlags(ic, script, scriptHash, callflag.ReadStates)
|
|
ic.Container = tx
|
|
check(t, ic, hash.BytesBE(), false, true)
|
|
})
|
|
t.Run("CalledByEntry", func(t *testing.T) {
|
|
hash := random.Uint160()
|
|
tx := &transaction.Transaction{
|
|
Signers: []transaction.Signer{
|
|
{
|
|
Account: hash,
|
|
Scopes: transaction.CalledByEntry,
|
|
},
|
|
},
|
|
}
|
|
loadScriptWithHashAndFlags(ic, script, scriptHash, callflag.ReadStates)
|
|
ic.Container = tx
|
|
check(t, ic, hash.BytesBE(), false, true)
|
|
})
|
|
t.Run("CustomContracts", func(t *testing.T) {
|
|
hash := random.Uint160()
|
|
tx := &transaction.Transaction{
|
|
Signers: []transaction.Signer{
|
|
{
|
|
Account: hash,
|
|
Scopes: transaction.CustomContracts,
|
|
AllowedContracts: []util.Uint160{scriptHash},
|
|
},
|
|
},
|
|
}
|
|
loadScriptWithHashAndFlags(ic, script, scriptHash, callflag.ReadStates)
|
|
ic.Container = tx
|
|
check(t, ic, hash.BytesBE(), false, true)
|
|
})
|
|
t.Run("CustomGroups", func(t *testing.T) {
|
|
t.Run("empty calling scripthash", func(t *testing.T) {
|
|
hash := random.Uint160()
|
|
tx := &transaction.Transaction{
|
|
Signers: []transaction.Signer{
|
|
{
|
|
Account: hash,
|
|
Scopes: transaction.CustomGroups,
|
|
AllowedGroups: []*keys.PublicKey{},
|
|
},
|
|
},
|
|
}
|
|
loadScriptWithHashAndFlags(ic, script, scriptHash, callflag.ReadStates)
|
|
ic.Container = tx
|
|
check(t, ic, hash.BytesBE(), false, false)
|
|
})
|
|
t.Run("positive", func(t *testing.T) {
|
|
targetHash := random.Uint160()
|
|
pk, err := keys.NewPrivateKey()
|
|
require.NoError(t, err)
|
|
tx := &transaction.Transaction{
|
|
Signers: []transaction.Signer{
|
|
{
|
|
Account: targetHash,
|
|
Scopes: transaction.CustomGroups,
|
|
AllowedGroups: []*keys.PublicKey{pk.PublicKey()},
|
|
},
|
|
},
|
|
}
|
|
contractScript := []byte{byte(opcode.PUSH1), byte(opcode.RET)}
|
|
contractScriptHash := hash.Hash160(contractScript)
|
|
ne, err := nef.NewFile(contractScript)
|
|
require.NoError(t, err)
|
|
contractState := &state.Contract{
|
|
ContractBase: state.ContractBase{
|
|
ID: 15,
|
|
Hash: contractScriptHash,
|
|
NEF: *ne,
|
|
Manifest: manifest.Manifest{
|
|
Groups: []manifest.Group{{PublicKey: pk.PublicKey(), Signature: make([]byte, keys.SignatureLen)}},
|
|
},
|
|
},
|
|
}
|
|
require.NoError(t, bc.contracts.Management.PutContractState(ic.DAO, contractState))
|
|
loadScriptWithHashAndFlags(ic, contractScript, contractScriptHash, callflag.All)
|
|
ic.VM.LoadScriptWithHash([]byte{0x1}, random.Uint160(), callflag.ReadStates)
|
|
ic.Container = tx
|
|
check(t, ic, targetHash.BytesBE(), false, true)
|
|
})
|
|
})
|
|
t.Run("bad scope", func(t *testing.T) {
|
|
hash := random.Uint160()
|
|
tx := &transaction.Transaction{
|
|
Signers: []transaction.Signer{
|
|
{
|
|
Account: hash,
|
|
Scopes: transaction.None,
|
|
},
|
|
},
|
|
}
|
|
loadScriptWithHashAndFlags(ic, script, scriptHash, callflag.ReadStates)
|
|
ic.Container = tx
|
|
check(t, ic, hash.BytesBE(), false, false)
|
|
})
|
|
})
|
|
})
|
|
}
|
|
|
|
func TestLoadToken(t *testing.T) {
|
|
bc := newTestChain(t)
|
|
|
|
cs, _ := getTestContractState(bc)
|
|
require.NoError(t, bc.contracts.Management.PutContractState(bc.dao, cs))
|
|
|
|
t.Run("good", func(t *testing.T) {
|
|
aer, err := invokeContractMethod(bc, 1_00000000, cs.Hash, "callT0", neoOwner.BytesBE())
|
|
require.NoError(t, err)
|
|
realBalance, _ := bc.GetGoverningTokenBalance(neoOwner)
|
|
checkResult(t, aer, stackitem.Make(realBalance.Int64()+1))
|
|
})
|
|
t.Run("invalid param count", func(t *testing.T) {
|
|
aer, err := invokeContractMethod(bc, 1_00000000, cs.Hash, "callT2")
|
|
require.NoError(t, err)
|
|
checkFAULTState(t, aer)
|
|
})
|
|
t.Run("invalid contract", func(t *testing.T) {
|
|
aer, err := invokeContractMethod(bc, 1_00000000, cs.Hash, "callT1")
|
|
require.NoError(t, err)
|
|
checkFAULTState(t, aer)
|
|
})
|
|
}
|