mirror of
https://github.com/nspcc-dev/neo-go.git
synced 2024-10-16 23:46:26 +00:00
1c0c331e25
1. Remove `System.Contract.CallEx`. 2. Extend number of parameters. 3. Add return value count to `VM.Context`.
982 lines
31 KiB
Go
982 lines
31 KiB
Go
package core
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import (
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"errors"
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"math/big"
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"testing"
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"github.com/nspcc-dev/dbft/crypto"
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"github.com/nspcc-dev/neo-go/internal/random"
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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/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/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 TestBCGetTransactionHeight(t *testing.T) {
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v, tx, ic, chain := createVMAndTX(t)
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defer chain.Close()
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for i := 0; i < 13; i++ {
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require.NoError(t, chain.AddBlock(chain.newBlock()))
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}
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require.NoError(t, ic.DAO.StoreAsTransaction(tx, 13, nil))
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t.Run("good", func(t *testing.T) {
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v.Estack().PushVal(tx.Hash().BytesBE())
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require.NoError(t, bcGetTransactionHeight(ic))
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require.Equal(t, big.NewInt(13), v.Estack().Pop().BigInt())
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})
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t.Run("bad", func(t *testing.T) {
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h := tx.Hash()
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h[0] ^= 0xFF
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v.Estack().PushVal(h.BytesBE())
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require.NoError(t, bcGetTransactionHeight(ic))
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require.Equal(t, big.NewInt(-1), v.Estack().Pop().BigInt())
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})
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}
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func TestBCGetTransaction(t *testing.T) {
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v, tx, context, chain := createVMAndTX(t)
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defer chain.Close()
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t.Run("success", func(t *testing.T) {
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require.NoError(t, context.DAO.StoreAsTransaction(tx, 0, nil))
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v.Estack().PushVal(tx.Hash().BytesBE())
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err := bcGetTransaction(context)
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require.NoError(t, err)
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value := v.Estack().Pop().Value()
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actual, ok := value.([]stackitem.Item)
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require.True(t, ok)
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require.Equal(t, 8, len(actual))
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require.Equal(t, tx.Hash().BytesBE(), actual[0].Value().([]byte))
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require.Equal(t, int64(tx.Version), actual[1].Value().(*big.Int).Int64())
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require.Equal(t, int64(tx.Nonce), actual[2].Value().(*big.Int).Int64())
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require.Equal(t, tx.Sender().BytesBE(), actual[3].Value().([]byte))
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require.Equal(t, int64(tx.SystemFee), actual[4].Value().(*big.Int).Int64())
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require.Equal(t, int64(tx.NetworkFee), actual[5].Value().(*big.Int).Int64())
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require.Equal(t, int64(tx.ValidUntilBlock), actual[6].Value().(*big.Int).Int64())
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require.Equal(t, tx.Script, actual[7].Value().([]byte))
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})
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t.Run("isn't traceable", func(t *testing.T) {
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require.NoError(t, context.DAO.StoreAsTransaction(tx, 1, nil))
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v.Estack().PushVal(tx.Hash().BytesBE())
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err := bcGetTransaction(context)
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require.NoError(t, err)
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_, ok := v.Estack().Pop().Item().(stackitem.Null)
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require.True(t, ok)
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})
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t.Run("bad hash", func(t *testing.T) {
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require.NoError(t, context.DAO.StoreAsTransaction(tx, 1, nil))
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v.Estack().PushVal(tx.Hash().BytesLE())
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err := bcGetTransaction(context)
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require.NoError(t, err)
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_, ok := v.Estack().Pop().Item().(stackitem.Null)
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require.True(t, ok)
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})
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}
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func TestBCGetTransactionFromBlock(t *testing.T) {
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v, block, context, chain := createVMAndBlock(t)
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defer chain.Close()
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require.NoError(t, chain.AddBlock(chain.newBlock()))
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require.NoError(t, context.DAO.StoreAsBlock(block, nil))
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t.Run("success", func(t *testing.T) {
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v.Estack().PushVal(0)
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v.Estack().PushVal(block.Hash().BytesBE())
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err := bcGetTransactionFromBlock(context)
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require.NoError(t, err)
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value := v.Estack().Pop().Value()
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actual, ok := value.([]byte)
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require.True(t, ok)
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require.Equal(t, block.Transactions[0].Hash().BytesBE(), actual)
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})
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t.Run("invalid block hash", func(t *testing.T) {
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v.Estack().PushVal(0)
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v.Estack().PushVal(block.Hash().BytesBE()[:10])
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err := bcGetTransactionFromBlock(context)
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require.Error(t, err)
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})
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t.Run("isn't traceable", func(t *testing.T) {
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block.Index = 2
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require.NoError(t, context.DAO.StoreAsBlock(block, nil))
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v.Estack().PushVal(0)
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v.Estack().PushVal(block.Hash().BytesBE())
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err := bcGetTransactionFromBlock(context)
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require.NoError(t, err)
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_, ok := v.Estack().Pop().Item().(stackitem.Null)
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require.True(t, ok)
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})
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t.Run("bad block hash", func(t *testing.T) {
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block.Index = 1
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require.NoError(t, context.DAO.StoreAsBlock(block, nil))
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v.Estack().PushVal(0)
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v.Estack().PushVal(block.Hash().BytesLE())
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err := bcGetTransactionFromBlock(context)
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require.NoError(t, err)
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_, ok := v.Estack().Pop().Item().(stackitem.Null)
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require.True(t, ok)
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})
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t.Run("bad transaction index", func(t *testing.T) {
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require.NoError(t, context.DAO.StoreAsBlock(block, nil))
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v.Estack().PushVal(1)
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v.Estack().PushVal(block.Hash().BytesBE())
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err := bcGetTransactionFromBlock(context)
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require.Error(t, err)
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})
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}
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func TestBCGetBlock(t *testing.T) {
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v, context, chain := createVM(t)
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defer chain.Close()
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block := chain.newBlock()
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require.NoError(t, chain.AddBlock(block))
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t.Run("success", func(t *testing.T) {
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v.Estack().PushVal(block.Hash().BytesBE())
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err := bcGetBlock(context)
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require.NoError(t, err)
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value := v.Estack().Pop().Value()
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actual, ok := value.([]stackitem.Item)
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require.True(t, ok)
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require.Equal(t, 8, len(actual))
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require.Equal(t, block.Hash().BytesBE(), actual[0].Value().([]byte))
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require.Equal(t, int64(block.Version), actual[1].Value().(*big.Int).Int64())
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require.Equal(t, block.PrevHash.BytesBE(), actual[2].Value().([]byte))
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require.Equal(t, block.MerkleRoot.BytesBE(), actual[3].Value().([]byte))
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require.Equal(t, int64(block.Timestamp), actual[4].Value().(*big.Int).Int64())
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require.Equal(t, int64(block.Index), actual[5].Value().(*big.Int).Int64())
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require.Equal(t, block.NextConsensus.BytesBE(), actual[6].Value().([]byte))
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require.Equal(t, int64(len(block.Transactions)), actual[7].Value().(*big.Int).Int64())
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})
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t.Run("bad hash", func(t *testing.T) {
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v.Estack().PushVal(block.Hash().BytesLE())
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err := bcGetTransaction(context)
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require.NoError(t, err)
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_, ok := v.Estack().Pop().Item().(stackitem.Null)
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require.True(t, ok)
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})
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}
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func TestContractIsStandard(t *testing.T) {
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v, ic, chain := createVM(t)
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defer chain.Close()
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t.Run("contract not stored", 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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tx := transaction.New(netmode.TestNet, []byte{1, 2, 3}, 1)
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tx.Scripts = []transaction.Witness{
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{
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InvocationScript: []byte{1, 2, 3},
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VerificationScript: pub.GetVerificationScript(),
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},
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}
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ic.Container = tx
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t.Run("true", func(t *testing.T) {
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v.Estack().PushVal(pub.GetScriptHash().BytesBE())
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require.NoError(t, contractIsStandard(ic))
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require.True(t, v.Estack().Pop().Bool())
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})
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t.Run("false", func(t *testing.T) {
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tx.Scripts[0].VerificationScript = []byte{9, 8, 7}
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v.Estack().PushVal(pub.GetScriptHash().BytesBE())
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require.NoError(t, contractIsStandard(ic))
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require.False(t, v.Estack().Pop().Bool())
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})
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})
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t.Run("contract stored, true", 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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ne, err := nef.NewFile(pub.GetVerificationScript())
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require.NoError(t, err)
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err = chain.contracts.Management.PutContractState(ic.DAO, &state.Contract{ID: 42, Hash: pub.GetScriptHash(), NEF: *ne})
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require.NoError(t, err)
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v.Estack().PushVal(pub.GetScriptHash().BytesBE())
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require.NoError(t, contractIsStandard(ic))
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require.True(t, v.Estack().Pop().Bool())
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})
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t.Run("contract stored, false", func(t *testing.T) {
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script := []byte{byte(opcode.PUSHT)}
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ne, err := nef.NewFile(script)
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require.NoError(t, err)
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require.NoError(t, chain.contracts.Management.PutContractState(ic.DAO, &state.Contract{ID: 24, Hash: hash.Hash160(script), NEF: *ne}))
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v.Estack().PushVal(crypto.Hash160(script).BytesBE())
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require.NoError(t, contractIsStandard(ic))
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require.False(t, v.Estack().Pop().Bool())
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})
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}
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func TestContractCreateAccount(t *testing.T) {
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v, ic, chain := createVM(t)
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defer chain.Close()
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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 TestRuntimeGasLeft(t *testing.T) {
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v, ic, chain := createVM(t)
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defer chain.Close()
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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, chain := createVM(t)
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defer chain.Close()
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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, chain := createVM(t)
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defer chain.Close()
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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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defer bc.Close()
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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.StoragePrice)
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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.StoragePrice)
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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.StoragePrice)
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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.StoragePrice)
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require.NoError(t, storagePut(ic))
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initVM(t, []byte{4}, []byte{5, 6}, native.StoragePrice)
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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, MaxStorageKeyLen), make([]byte, 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, 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, MaxStorageValueLen+1), -1)
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require.Error(t, storagePut(ic))
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})
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t.Run("item exists and is const", func(t *testing.T) {
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v := ic.SpawnVM()
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v.LoadScript(cs.NEF.Script)
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v.GasLimit = -1
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v.Estack().PushVal(1)
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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, storagePutEx(ic))
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v.Estack().PushVal("new")
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v.Estack().PushVal("key")
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require.NoError(t, storageGetContext(ic))
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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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defer bc.Close()
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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(flag)
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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, storagePutEx(ic))
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}
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put("key1", "value1", 0)
|
|
put("key2", "value2", 0)
|
|
put("key3", "value3", 0)
|
|
put("key4", "value4", 1)
|
|
|
|
t.Run("good", func(t *testing.T) {
|
|
v.Estack().PushVal("key1")
|
|
require.NoError(t, storageGetContext(ic))
|
|
require.NoError(t, storageDelete(ic))
|
|
})
|
|
t.Run("readonly context", func(t *testing.T) {
|
|
v.Estack().PushVal("key2")
|
|
require.NoError(t, storageGetReadOnlyContext(ic))
|
|
require.Error(t, storageDelete(ic))
|
|
})
|
|
t.Run("readonly context (from normal)", func(t *testing.T) {
|
|
v.Estack().PushVal("key3")
|
|
require.NoError(t, storageGetContext(ic))
|
|
require.NoError(t, storageContextAsReadOnly(ic))
|
|
require.Error(t, storageDelete(ic))
|
|
})
|
|
t.Run("constant item", func(t *testing.T) {
|
|
v.Estack().PushVal("key4")
|
|
require.NoError(t, storageGetContext(ic))
|
|
require.Error(t, storageDelete(ic))
|
|
})
|
|
}
|
|
|
|
// getTestContractState returns 2 contracts second of which is allowed to call the first.
|
|
func getTestContractState(bc *Blockchain) (*state.Contract, *state.Contract) {
|
|
mgmtHash := bc.ManagementContractHash()
|
|
|
|
w := io.NewBufBinWriter()
|
|
emit.Opcodes(w.BinWriter, opcode.ABORT)
|
|
addOff := w.Len()
|
|
emit.Opcodes(w.BinWriter, opcode.ADD, opcode.RET)
|
|
ret7Off := w.Len()
|
|
emit.Opcodes(w.BinWriter, opcode.PUSH7, opcode.RET)
|
|
dropOff := w.Len()
|
|
emit.Opcodes(w.BinWriter, opcode.DROP, opcode.RET)
|
|
initOff := w.Len()
|
|
emit.Opcodes(w.BinWriter, opcode.INITSSLOT, 1, opcode.PUSH3, opcode.STSFLD0, opcode.RET)
|
|
add3Off := w.Len()
|
|
emit.Opcodes(w.BinWriter, opcode.LDSFLD0, opcode.ADD, opcode.RET)
|
|
invalidRetOff := w.Len()
|
|
emit.Opcodes(w.BinWriter, opcode.PUSH1, opcode.PUSH2, opcode.RET)
|
|
justRetOff := w.Len()
|
|
emit.Opcodes(w.BinWriter, opcode.RET)
|
|
verifyOff := w.Len()
|
|
emit.Opcodes(w.BinWriter, opcode.LDSFLD0, opcode.SUB,
|
|
opcode.CONVERT, opcode.Opcode(stackitem.BooleanT), opcode.RET)
|
|
deployOff := w.Len()
|
|
emit.Opcodes(w.BinWriter, opcode.JMPIF, 2+8+3)
|
|
emit.String(w.BinWriter, "create")
|
|
emit.Opcodes(w.BinWriter, opcode.CALL, 3+8+3, opcode.RET)
|
|
emit.String(w.BinWriter, "update")
|
|
emit.Opcodes(w.BinWriter, opcode.CALL, 3, opcode.RET)
|
|
putValOff := w.Len()
|
|
emit.String(w.BinWriter, "initial")
|
|
emit.Syscall(w.BinWriter, interopnames.SystemStorageGetContext)
|
|
emit.Syscall(w.BinWriter, interopnames.SystemStoragePut)
|
|
emit.Opcodes(w.BinWriter, opcode.RET)
|
|
getValOff := w.Len()
|
|
emit.String(w.BinWriter, "initial")
|
|
emit.Syscall(w.BinWriter, interopnames.SystemStorageGetContext)
|
|
emit.Syscall(w.BinWriter, interopnames.SystemStorageGet)
|
|
emit.Opcodes(w.BinWriter, opcode.RET)
|
|
onPaymentOff := w.Len()
|
|
emit.Syscall(w.BinWriter, interopnames.SystemRuntimeGetCallingScriptHash)
|
|
emit.Int(w.BinWriter, 4)
|
|
emit.Opcodes(w.BinWriter, opcode.PACK)
|
|
emit.String(w.BinWriter, "LastPayment")
|
|
emit.Syscall(w.BinWriter, interopnames.SystemRuntimeNotify)
|
|
emit.Opcodes(w.BinWriter, opcode.RET)
|
|
updateOff := w.Len()
|
|
emit.Int(w.BinWriter, 2)
|
|
emit.Opcodes(w.BinWriter, opcode.PACK)
|
|
emit.AppCallNoArgs(w.BinWriter, mgmtHash, "update", callflag.All)
|
|
emit.Opcodes(w.BinWriter, opcode.DROP)
|
|
emit.Opcodes(w.BinWriter, opcode.RET)
|
|
destroyOff := w.Len()
|
|
emit.AppCall(w.BinWriter, mgmtHash, "destroy", callflag.All)
|
|
emit.Opcodes(w.BinWriter, opcode.DROP)
|
|
emit.Opcodes(w.BinWriter, opcode.RET)
|
|
invalidStackOff := w.Len()
|
|
emit.Opcodes(w.BinWriter, opcode.NEWARRAY0, opcode.DUP, opcode.DUP, opcode.APPEND, opcode.NEWMAP)
|
|
emit.Syscall(w.BinWriter, interopnames.SystemIteratorCreate)
|
|
emit.Opcodes(w.BinWriter, opcode.RET)
|
|
|
|
script := w.Bytes()
|
|
h := hash.Hash160(script)
|
|
m := manifest.NewManifest("TestMain")
|
|
m.ABI.Methods = []manifest.Method{
|
|
{
|
|
Name: "add",
|
|
Offset: addOff,
|
|
Parameters: []manifest.Parameter{
|
|
manifest.NewParameter("addend1", smartcontract.IntegerType),
|
|
manifest.NewParameter("addend2", smartcontract.IntegerType),
|
|
},
|
|
ReturnType: smartcontract.IntegerType,
|
|
},
|
|
{
|
|
Name: "ret7",
|
|
Offset: ret7Off,
|
|
Parameters: []manifest.Parameter{},
|
|
ReturnType: smartcontract.IntegerType,
|
|
},
|
|
{
|
|
Name: "drop",
|
|
Offset: dropOff,
|
|
ReturnType: smartcontract.VoidType,
|
|
},
|
|
{
|
|
Name: manifest.MethodInit,
|
|
Offset: initOff,
|
|
ReturnType: smartcontract.VoidType,
|
|
},
|
|
{
|
|
Name: "add3",
|
|
Offset: add3Off,
|
|
Parameters: []manifest.Parameter{
|
|
manifest.NewParameter("addend", smartcontract.IntegerType),
|
|
},
|
|
ReturnType: smartcontract.IntegerType,
|
|
},
|
|
{
|
|
Name: "invalidReturn",
|
|
Offset: invalidRetOff,
|
|
ReturnType: smartcontract.IntegerType,
|
|
},
|
|
{
|
|
Name: "justReturn",
|
|
Offset: justRetOff,
|
|
ReturnType: smartcontract.VoidType,
|
|
},
|
|
{
|
|
Name: manifest.MethodVerify,
|
|
Offset: verifyOff,
|
|
ReturnType: smartcontract.BoolType,
|
|
},
|
|
{
|
|
Name: manifest.MethodDeploy,
|
|
Offset: deployOff,
|
|
Parameters: []manifest.Parameter{
|
|
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: "onPayment",
|
|
Offset: onPaymentOff,
|
|
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: "destroy",
|
|
Offset: destroyOff,
|
|
ReturnType: smartcontract.VoidType,
|
|
},
|
|
{
|
|
Name: "invalidStack",
|
|
Offset: invalidStackOff,
|
|
ReturnType: smartcontract.VoidType,
|
|
},
|
|
}
|
|
cs := &state.Contract{
|
|
Hash: h,
|
|
Manifest: *m,
|
|
ID: 42,
|
|
}
|
|
ne, err := nef.NewFile(script)
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
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{
|
|
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)
|
|
defer bc.Close()
|
|
|
|
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) {
|
|
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("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("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, bc := createVM(t)
|
|
defer bc.Close()
|
|
|
|
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)
|
|
defer bc.Close()
|
|
|
|
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{
|
|
ID: 15,
|
|
Hash: contractScriptHash,
|
|
NEF: *ne,
|
|
Manifest: manifest.Manifest{
|
|
Groups: []manifest.Group{{PublicKey: pk.PublicKey()}},
|
|
},
|
|
}
|
|
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)
|
|
})
|
|
})
|
|
})
|
|
}
|