forked from TrueCloudLab/neoneo-go
1093 lines
34 KiB
Go
1093 lines
34 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/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/callback"
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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/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/manifest"
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"github.com/nspcc-dev/neo-go/pkg/util"
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"github.com/nspcc-dev/neo-go/pkg/vm"
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"github.com/nspcc-dev/neo-go/pkg/vm/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 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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err = ic.DAO.PutContractState(&state.Contract{ID: 42, Script: pub.GetVerificationScript()})
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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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require.NoError(t, ic.DAO.PutContractState(&state.Contract{ID: 24, Script: script}))
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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.Invocations[hash.Hash160([]byte{2})] = 42
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t.Run("Zero", func(t *testing.T) {
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v.LoadScript([]byte{1})
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require.Error(t, runtime.GetInvocationCounter(ic))
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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 TestBlockchainGetContractState(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, ic.DAO.PutContractState(cs))
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t.Run("positive", func(t *testing.T) {
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v.Estack().PushVal(cs.ScriptHash().BytesBE())
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require.NoError(t, bcGetContract(ic))
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actual := v.Estack().Pop().Item()
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compareContractStates(t, cs, actual)
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})
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t.Run("uncknown contract state", func(t *testing.T) {
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v.Estack().PushVal(util.Uint160{1, 2, 3}.BytesBE())
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require.NoError(t, bcGetContract(ic))
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actual := v.Estack().Pop().Item()
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require.Equal(t, stackitem.Null{}, actual)
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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, ic.DAO.PutContractState(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.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*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*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}, 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}, 2*StoragePrice)
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require.NoError(t, storagePut(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() (*state.Contract, *state.Contract) {
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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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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.JMPIF, 2+8+3)
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emit.String(w.BinWriter, "create")
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emit.Opcodes(w.BinWriter, opcode.CALL, 3+8+3, opcode.RET)
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emit.String(w.BinWriter, "update")
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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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script := w.Bytes()
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h := hash.Hash160(script)
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m := manifest.NewManifest(h)
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m.Features = smartcontract.HasStorage
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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: "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,
|
|
Parameters: []manifest.Parameter{
|
|
manifest.NewParameter("addend", smartcontract.IntegerType),
|
|
},
|
|
ReturnType: smartcontract.IntegerType,
|
|
},
|
|
{
|
|
Name: "invalidReturn",
|
|
Offset: invalidRetOff,
|
|
ReturnType: smartcontract.IntegerType,
|
|
},
|
|
{
|
|
Name: "justReturn",
|
|
Offset: justRetOff,
|
|
ReturnType: smartcontract.IntegerType,
|
|
},
|
|
{
|
|
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,
|
|
},
|
|
}
|
|
cs := &state.Contract{
|
|
Script: script,
|
|
Manifest: *m,
|
|
ID: 42,
|
|
}
|
|
|
|
currScript := []byte{byte(opcode.RET)}
|
|
m = manifest.NewManifest(hash.Hash160(currScript))
|
|
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)
|
|
|
|
return cs, &state.Contract{
|
|
Script: currScript,
|
|
Manifest: *m,
|
|
ID: 123,
|
|
}
|
|
}
|
|
|
|
func loadScript(ic *interop.Context, script []byte, args ...interface{}) {
|
|
v := vm.New()
|
|
v.LoadScriptWithFlags(script, smartcontract.AllowCall)
|
|
for i := range args {
|
|
v.Estack().PushVal(args[i])
|
|
}
|
|
v.GasLimit = -1
|
|
ic.VM = v
|
|
}
|
|
|
|
func TestContractCall(t *testing.T) {
|
|
_, ic, bc := createVM(t)
|
|
defer bc.Close()
|
|
|
|
cs, currCs := getTestContractState()
|
|
require.NoError(t, ic.DAO.PutContractState(cs))
|
|
require.NoError(t, ic.DAO.PutContractState(currCs))
|
|
|
|
currScript := currCs.Script
|
|
h := cs.Manifest.ABI.Hash
|
|
|
|
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("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(byte(0xFF))
|
|
ic.VM.Estack().PushVal(addArgs)
|
|
ic.VM.Estack().PushVal("add")
|
|
ic.VM.Estack().PushVal(h.BytesBE())
|
|
require.Error(t, contract.CallEx(ic))
|
|
})
|
|
|
|
runInvalid := func(args ...interface{}) func(t *testing.T) {
|
|
return func(t *testing.T) {
|
|
loadScript(ic, currScript, 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("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("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("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("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 TestContractCreate(t *testing.T) {
|
|
v, cs, ic, bc := createVMAndContractState(t)
|
|
v.GasLimit = -1
|
|
defer bc.Close()
|
|
|
|
putArgsOnStack := func() {
|
|
manifest, err := cs.Manifest.MarshalJSON()
|
|
require.NoError(t, err)
|
|
v.Estack().PushVal(manifest)
|
|
v.Estack().PushVal(cs.Script)
|
|
}
|
|
|
|
t.Run("positive", func(t *testing.T) {
|
|
putArgsOnStack()
|
|
|
|
require.NoError(t, contractCreate(ic))
|
|
actual := v.Estack().Pop().Item()
|
|
compareContractStates(t, cs, actual)
|
|
})
|
|
|
|
t.Run("invalid scripthash", func(t *testing.T) {
|
|
cs.Script = append(cs.Script, 0x01)
|
|
putArgsOnStack()
|
|
|
|
require.Error(t, contractCreate(ic))
|
|
})
|
|
|
|
t.Run("contract already exists", func(t *testing.T) {
|
|
cs.Script = cs.Script[:len(cs.Script)-1]
|
|
require.NoError(t, ic.DAO.PutContractState(cs))
|
|
putArgsOnStack()
|
|
|
|
require.Error(t, contractCreate(ic))
|
|
})
|
|
}
|
|
|
|
func compareContractStates(t *testing.T, expected *state.Contract, actual stackitem.Item) {
|
|
act, ok := actual.Value().([]stackitem.Item)
|
|
require.True(t, ok)
|
|
|
|
expectedManifest, err := expected.Manifest.MarshalJSON()
|
|
require.NoError(t, err)
|
|
|
|
require.Equal(t, 4, len(act))
|
|
require.Equal(t, expected.Script, act[0].Value().([]byte))
|
|
require.Equal(t, expectedManifest, act[1].Value().([]byte))
|
|
hasstorage, err := act[2].TryBool()
|
|
require.NoError(t, err)
|
|
ispayable, err := act[3].TryBool()
|
|
require.NoError(t, err)
|
|
require.Equal(t, expected.HasStorage(), hasstorage)
|
|
require.Equal(t, expected.IsPayable(), ispayable)
|
|
}
|
|
|
|
func TestContractUpdate(t *testing.T) {
|
|
v, cs, ic, bc := createVMAndContractState(t)
|
|
defer bc.Close()
|
|
v.GasLimit = -1
|
|
|
|
putArgsOnStack := func(script, manifest interface{}) {
|
|
v.Estack().PushVal(manifest)
|
|
v.Estack().PushVal(script)
|
|
}
|
|
|
|
t.Run("no args", func(t *testing.T) {
|
|
require.NoError(t, ic.DAO.PutContractState(cs))
|
|
v.LoadScriptWithHash([]byte{byte(opcode.RET)}, cs.ScriptHash(), smartcontract.All)
|
|
putArgsOnStack(stackitem.Null{}, stackitem.Null{})
|
|
require.Error(t, contractUpdate(ic))
|
|
})
|
|
|
|
t.Run("no contract", func(t *testing.T) {
|
|
require.NoError(t, ic.DAO.PutContractState(cs))
|
|
v.LoadScriptWithHash([]byte{byte(opcode.RET)}, util.Uint160{8, 9, 7}, smartcontract.All)
|
|
require.Error(t, contractUpdate(ic))
|
|
})
|
|
|
|
t.Run("too large script", func(t *testing.T) {
|
|
require.NoError(t, ic.DAO.PutContractState(cs))
|
|
v.LoadScriptWithHash([]byte{byte(opcode.RET)}, cs.ScriptHash(), smartcontract.All)
|
|
putArgsOnStack(make([]byte, MaxContractScriptSize+1), stackitem.Null{})
|
|
require.Error(t, contractUpdate(ic))
|
|
})
|
|
|
|
t.Run("too large manifest", func(t *testing.T) {
|
|
require.NoError(t, ic.DAO.PutContractState(cs))
|
|
v.LoadScriptWithHash([]byte{byte(opcode.RET)}, cs.ScriptHash(), smartcontract.All)
|
|
putArgsOnStack(stackitem.Null{}, make([]byte, manifest.MaxManifestSize+1))
|
|
require.Error(t, contractUpdate(ic))
|
|
})
|
|
|
|
t.Run("gas limit exceeded", func(t *testing.T) {
|
|
require.NoError(t, ic.DAO.PutContractState(cs))
|
|
v.GasLimit = 0
|
|
v.LoadScriptWithHash([]byte{byte(opcode.RET)}, cs.ScriptHash(), smartcontract.All)
|
|
putArgsOnStack([]byte{1}, []byte{2})
|
|
require.Error(t, contractUpdate(ic))
|
|
})
|
|
|
|
t.Run("update script, the same script", func(t *testing.T) {
|
|
require.NoError(t, ic.DAO.PutContractState(cs))
|
|
v.GasLimit = -1
|
|
v.LoadScriptWithHash([]byte{byte(opcode.RET)}, cs.ScriptHash(), smartcontract.All)
|
|
putArgsOnStack(cs.Script, stackitem.Null{})
|
|
|
|
require.Error(t, contractUpdate(ic))
|
|
})
|
|
|
|
t.Run("update script, already exists", func(t *testing.T) {
|
|
require.NoError(t, ic.DAO.PutContractState(cs))
|
|
duplicateScript := []byte{byte(opcode.PUSHDATA4)}
|
|
require.NoError(t, ic.DAO.PutContractState(&state.Contract{
|
|
ID: 95,
|
|
Script: duplicateScript,
|
|
Manifest: manifest.Manifest{
|
|
ABI: manifest.ABI{
|
|
Hash: hash.Hash160(duplicateScript),
|
|
},
|
|
},
|
|
}))
|
|
v.LoadScriptWithHash([]byte{byte(opcode.RET)}, cs.ScriptHash(), smartcontract.All)
|
|
putArgsOnStack(duplicateScript, stackitem.Null{})
|
|
|
|
require.Error(t, contractUpdate(ic))
|
|
})
|
|
|
|
t.Run("update script, positive", func(t *testing.T) {
|
|
require.NoError(t, ic.DAO.PutContractState(cs))
|
|
t.Run("empty manifest", func(t *testing.T) {
|
|
v.LoadScriptWithHash([]byte{byte(opcode.RET)}, cs.ScriptHash(), smartcontract.All)
|
|
newScript := []byte{9, 8, 7, 6, 5}
|
|
putArgsOnStack(newScript, []byte{})
|
|
require.Error(t, contractUpdate(ic))
|
|
})
|
|
|
|
v.LoadScriptWithHash([]byte{byte(opcode.RET)}, cs.ScriptHash(), smartcontract.All)
|
|
newScript := []byte{9, 8, 7, 6, 5}
|
|
putArgsOnStack(newScript, stackitem.Null{})
|
|
|
|
require.NoError(t, contractUpdate(ic))
|
|
|
|
// updated contract should have new scripthash
|
|
actual, err := ic.DAO.GetContractState(hash.Hash160(newScript))
|
|
require.NoError(t, err)
|
|
expected := &state.Contract{
|
|
ID: cs.ID,
|
|
Script: newScript,
|
|
Manifest: cs.Manifest,
|
|
}
|
|
expected.Manifest.ABI.Hash = hash.Hash160(newScript)
|
|
_ = expected.ScriptHash()
|
|
require.Equal(t, expected, actual)
|
|
|
|
// old contract should be deleted
|
|
_, err = ic.DAO.GetContractState(cs.ScriptHash())
|
|
require.Error(t, err)
|
|
})
|
|
|
|
t.Run("update manifest, bad manifest", func(t *testing.T) {
|
|
require.NoError(t, ic.DAO.PutContractState(cs))
|
|
v.LoadScriptWithHash([]byte{byte(opcode.RET)}, cs.ScriptHash(), smartcontract.All)
|
|
putArgsOnStack(stackitem.Null{}, []byte{1, 2, 3})
|
|
|
|
require.Error(t, contractUpdate(ic))
|
|
})
|
|
|
|
t.Run("update manifest, bad contract hash", func(t *testing.T) {
|
|
require.NoError(t, ic.DAO.PutContractState(cs))
|
|
v.LoadScriptWithHash([]byte{byte(opcode.RET)}, cs.ScriptHash(), smartcontract.All)
|
|
manifest := &manifest.Manifest{
|
|
ABI: manifest.ABI{
|
|
Hash: util.Uint160{4, 5, 6},
|
|
},
|
|
}
|
|
manifestBytes, err := manifest.MarshalJSON()
|
|
require.NoError(t, err)
|
|
putArgsOnStack(stackitem.Null{}, manifestBytes)
|
|
|
|
require.Error(t, contractUpdate(ic))
|
|
})
|
|
|
|
t.Run("update manifest, old contract shouldn't have storage", func(t *testing.T) {
|
|
cs.Manifest.Features |= smartcontract.HasStorage
|
|
require.NoError(t, ic.DAO.PutContractState(cs))
|
|
require.NoError(t, ic.DAO.PutStorageItem(cs.ID, []byte("my_item"), &state.StorageItem{
|
|
Value: []byte{1, 2, 3},
|
|
IsConst: false,
|
|
}))
|
|
v.LoadScriptWithHash([]byte{byte(opcode.RET)}, cs.ScriptHash(), smartcontract.All)
|
|
manifest := &manifest.Manifest{
|
|
ABI: manifest.ABI{
|
|
Hash: cs.ScriptHash(),
|
|
},
|
|
}
|
|
manifestBytes, err := manifest.MarshalJSON()
|
|
require.NoError(t, err)
|
|
putArgsOnStack(stackitem.Null{}, manifestBytes)
|
|
|
|
require.Error(t, contractUpdate(ic))
|
|
})
|
|
|
|
t.Run("update manifest, positive", func(t *testing.T) {
|
|
cs.Manifest.Features = smartcontract.NoProperties
|
|
require.NoError(t, ic.DAO.PutContractState(cs))
|
|
manifest := &manifest.Manifest{
|
|
ABI: manifest.ABI{
|
|
Hash: cs.ScriptHash(),
|
|
},
|
|
Features: smartcontract.HasStorage,
|
|
}
|
|
manifestBytes, err := manifest.MarshalJSON()
|
|
require.NoError(t, err)
|
|
|
|
t.Run("empty script", func(t *testing.T) {
|
|
v.LoadScriptWithHash([]byte{byte(opcode.RET)}, cs.ScriptHash(), smartcontract.All)
|
|
putArgsOnStack([]byte{}, manifestBytes)
|
|
require.Error(t, contractUpdate(ic))
|
|
})
|
|
|
|
v.LoadScriptWithHash([]byte{byte(opcode.RET)}, cs.ScriptHash(), smartcontract.All)
|
|
putArgsOnStack(stackitem.Null{}, manifestBytes)
|
|
require.NoError(t, contractUpdate(ic))
|
|
|
|
// updated contract should have new scripthash
|
|
actual, err := ic.DAO.GetContractState(cs.ScriptHash())
|
|
require.NoError(t, err)
|
|
expected := &state.Contract{
|
|
ID: cs.ID,
|
|
Script: cs.Script,
|
|
Manifest: *manifest,
|
|
}
|
|
_ = expected.ScriptHash()
|
|
require.Equal(t, expected, actual)
|
|
})
|
|
|
|
t.Run("update both script and manifest", func(t *testing.T) {
|
|
require.NoError(t, ic.DAO.PutContractState(cs))
|
|
v.LoadScriptWithHash([]byte{byte(opcode.RET)}, cs.ScriptHash(), smartcontract.All)
|
|
newScript := []byte{12, 13, 14}
|
|
newManifest := manifest.Manifest{
|
|
ABI: manifest.ABI{
|
|
Hash: hash.Hash160(newScript),
|
|
},
|
|
Features: smartcontract.HasStorage,
|
|
}
|
|
newManifestBytes, err := newManifest.MarshalJSON()
|
|
require.NoError(t, err)
|
|
|
|
putArgsOnStack(newScript, newManifestBytes)
|
|
|
|
require.NoError(t, contractUpdate(ic))
|
|
|
|
// updated contract should have new script and manifest
|
|
actual, err := ic.DAO.GetContractState(hash.Hash160(newScript))
|
|
require.NoError(t, err)
|
|
expected := &state.Contract{
|
|
ID: cs.ID,
|
|
Script: newScript,
|
|
Manifest: newManifest,
|
|
}
|
|
expected.Manifest.ABI.Hash = hash.Hash160(newScript)
|
|
_ = expected.ScriptHash()
|
|
require.Equal(t, expected, actual)
|
|
|
|
// old contract should be deleted
|
|
_, err = ic.DAO.GetContractState(cs.ScriptHash())
|
|
require.Error(t, err)
|
|
})
|
|
}
|
|
|
|
// TestContractCreateDeploy checks that `_deploy` method was called
|
|
// during contract creation or update.
|
|
func TestContractCreateDeploy(t *testing.T) {
|
|
v, ic, bc := createVM(t)
|
|
defer bc.Close()
|
|
v.GasLimit = -1
|
|
|
|
putArgs := func(cs *state.Contract) {
|
|
rawManifest, err := cs.Manifest.MarshalJSON()
|
|
require.NoError(t, err)
|
|
v.Estack().PushVal(rawManifest)
|
|
v.Estack().PushVal(cs.Script)
|
|
}
|
|
cs, currCs := getTestContractState()
|
|
|
|
v.LoadScriptWithFlags([]byte{byte(opcode.RET)}, smartcontract.All)
|
|
putArgs(cs)
|
|
require.NoError(t, contractCreate(ic))
|
|
require.NoError(t, ic.VM.Run())
|
|
|
|
v.LoadScriptWithFlags(currCs.Script, smartcontract.All)
|
|
err := contract.CallExInternal(ic, cs, "getValue", nil, smartcontract.All)
|
|
require.NoError(t, err)
|
|
require.NoError(t, v.Run())
|
|
require.Equal(t, "create", v.Estack().Pop().String())
|
|
|
|
v.LoadScriptWithFlags(cs.Script, smartcontract.All)
|
|
md := cs.Manifest.ABI.GetMethod("justReturn")
|
|
v.Jump(v.Context(), md.Offset)
|
|
|
|
t.Run("Update", func(t *testing.T) {
|
|
newCs := &state.Contract{
|
|
ID: cs.ID,
|
|
Script: append(cs.Script, byte(opcode.RET)),
|
|
Manifest: cs.Manifest,
|
|
}
|
|
newCs.Manifest.ABI.Hash = hash.Hash160(newCs.Script)
|
|
putArgs(newCs)
|
|
require.NoError(t, contractUpdate(ic))
|
|
require.NoError(t, v.Run())
|
|
|
|
v.LoadScriptWithFlags(currCs.Script, smartcontract.All)
|
|
err = contract.CallExInternal(ic, newCs, "getValue", nil, smartcontract.All)
|
|
require.NoError(t, err)
|
|
require.NoError(t, v.Run())
|
|
require.Equal(t, "update", v.Estack().Pop().String())
|
|
})
|
|
}
|
|
|
|
func TestContractGetCallFlags(t *testing.T) {
|
|
v, ic, bc := createVM(t)
|
|
defer bc.Close()
|
|
|
|
v.LoadScriptWithHash([]byte{byte(opcode.RET)}, util.Uint160{1, 2, 3}, smartcontract.All)
|
|
require.NoError(t, contractGetCallFlags(ic))
|
|
require.Equal(t, int64(smartcontract.All), v.Estack().Pop().Value().(*big.Int).Int64())
|
|
}
|
|
|
|
func TestPointerCallback(t *testing.T) {
|
|
_, ic, bc := createVM(t)
|
|
defer bc.Close()
|
|
|
|
script := []byte{
|
|
byte(opcode.NOP), byte(opcode.INC), byte(opcode.RET),
|
|
byte(opcode.DIV), byte(opcode.RET),
|
|
}
|
|
t.Run("Good", func(t *testing.T) {
|
|
loadScript(ic, script, 2, stackitem.NewPointer(3, script))
|
|
ic.VM.Estack().PushVal(ic.VM.Context())
|
|
require.NoError(t, callback.Create(ic))
|
|
|
|
args := stackitem.NewArray([]stackitem.Item{stackitem.Make(3), stackitem.Make(12)})
|
|
ic.VM.Estack().InsertAt(vm.NewElement(args), 1)
|
|
require.NoError(t, callback.Invoke(ic))
|
|
|
|
require.NoError(t, ic.VM.Run())
|
|
require.Equal(t, 1, ic.VM.Estack().Len())
|
|
require.Equal(t, big.NewInt(5), ic.VM.Estack().Pop().Item().Value())
|
|
})
|
|
t.Run("Invalid", func(t *testing.T) {
|
|
t.Run("NotEnoughParameters", func(t *testing.T) {
|
|
loadScript(ic, script, 2, stackitem.NewPointer(3, script))
|
|
ic.VM.Estack().PushVal(ic.VM.Context())
|
|
require.NoError(t, callback.Create(ic))
|
|
|
|
args := stackitem.NewArray([]stackitem.Item{stackitem.Make(3)})
|
|
ic.VM.Estack().InsertAt(vm.NewElement(args), 1)
|
|
require.Error(t, callback.Invoke(ic))
|
|
})
|
|
})
|
|
|
|
}
|
|
|
|
func TestMethodCallback(t *testing.T) {
|
|
_, ic, bc := createVM(t)
|
|
defer bc.Close()
|
|
|
|
cs, currCs := getTestContractState()
|
|
require.NoError(t, ic.DAO.PutContractState(cs))
|
|
require.NoError(t, ic.DAO.PutContractState(currCs))
|
|
|
|
ic.Functions = append(ic.Functions, systemInterops)
|
|
rawHash := cs.Manifest.ABI.Hash.BytesBE()
|
|
|
|
t.Run("Invalid", func(t *testing.T) {
|
|
runInvalid := func(args ...interface{}) func(t *testing.T) {
|
|
return func(t *testing.T) {
|
|
loadScript(ic, currCs.Script, 42)
|
|
for i := range args {
|
|
ic.VM.Estack().PushVal(args[i])
|
|
}
|
|
require.Error(t, callback.CreateFromMethod(ic))
|
|
}
|
|
}
|
|
t.Run("Hash", runInvalid("add", rawHash[1:]))
|
|
t.Run("MissingHash", runInvalid("add", util.Uint160{}.BytesBE()))
|
|
t.Run("MissingMethod", runInvalid("sub", rawHash))
|
|
t.Run("DisallowedMethod", runInvalid("ret7", rawHash))
|
|
t.Run("Initialize", runInvalid("_initialize", rawHash))
|
|
t.Run("NotEnoughArguments", func(t *testing.T) {
|
|
loadScript(ic, currCs.Script, 42, "add", rawHash)
|
|
require.NoError(t, callback.CreateFromMethod(ic))
|
|
|
|
ic.VM.Estack().InsertAt(vm.NewElement(stackitem.NewArray([]stackitem.Item{stackitem.Make(1)})), 1)
|
|
require.Error(t, callback.Invoke(ic))
|
|
})
|
|
t.Run("CallIsNotAllowed", func(t *testing.T) {
|
|
v := vm.New()
|
|
ic.VM = v
|
|
v.Load(currCs.Script)
|
|
v.Estack().PushVal("add")
|
|
v.Estack().PushVal(rawHash)
|
|
require.NoError(t, callback.CreateFromMethod(ic))
|
|
|
|
args := stackitem.NewArray([]stackitem.Item{stackitem.Make(1), stackitem.Make(5)})
|
|
v.Estack().InsertAt(vm.NewElement(args), 1)
|
|
require.Error(t, callback.Invoke(ic))
|
|
})
|
|
})
|
|
|
|
t.Run("Good", func(t *testing.T) {
|
|
loadScript(ic, currCs.Script, 42, "add", rawHash)
|
|
require.NoError(t, callback.CreateFromMethod(ic))
|
|
|
|
args := stackitem.NewArray([]stackitem.Item{stackitem.Make(1), stackitem.Make(5)})
|
|
ic.VM.Estack().InsertAt(vm.NewElement(args), 1)
|
|
|
|
require.NoError(t, callback.Invoke(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().Item().Value())
|
|
require.Equal(t, big.NewInt(42), ic.VM.Estack().Pop().Item().Value())
|
|
})
|
|
}
|
|
func TestSyscallCallback(t *testing.T) {
|
|
_, ic, bc := createVM(t)
|
|
defer bc.Close()
|
|
|
|
ic.Functions = append(ic.Functions, []interop.Function{
|
|
{
|
|
ID: 0x42,
|
|
Func: func(ic *interop.Context) error {
|
|
a := ic.VM.Estack().Pop().BigInt()
|
|
b := ic.VM.Estack().Pop().BigInt()
|
|
ic.VM.Estack().PushVal(new(big.Int).Add(a, b))
|
|
return nil
|
|
},
|
|
ParamCount: 2,
|
|
},
|
|
{
|
|
ID: 0x53,
|
|
Func: func(_ *interop.Context) error { return nil },
|
|
DisallowCallback: true,
|
|
},
|
|
})
|
|
|
|
t.Run("Good", func(t *testing.T) {
|
|
args := stackitem.NewArray([]stackitem.Item{stackitem.Make(12), stackitem.Make(30)})
|
|
loadScript(ic, []byte{byte(opcode.RET)}, args, 0x42)
|
|
require.NoError(t, callback.CreateFromSyscall(ic))
|
|
require.NoError(t, callback.Invoke(ic))
|
|
require.Equal(t, 1, ic.VM.Estack().Len())
|
|
require.Equal(t, big.NewInt(42), ic.VM.Estack().Pop().Item().Value())
|
|
})
|
|
|
|
t.Run("Invalid", func(t *testing.T) {
|
|
t.Run("InvalidParameterCount", func(t *testing.T) {
|
|
args := stackitem.NewArray([]stackitem.Item{stackitem.Make(12)})
|
|
loadScript(ic, []byte{byte(opcode.RET)}, args, 0x42)
|
|
require.NoError(t, callback.CreateFromSyscall(ic))
|
|
require.Error(t, callback.Invoke(ic))
|
|
})
|
|
t.Run("MissingSyscall", func(t *testing.T) {
|
|
loadScript(ic, []byte{byte(opcode.RET)}, stackitem.NewArray(nil), 0x43)
|
|
require.Error(t, callback.CreateFromSyscall(ic))
|
|
})
|
|
t.Run("Disallowed", func(t *testing.T) {
|
|
loadScript(ic, []byte{byte(opcode.RET)}, stackitem.NewArray(nil), 0x53)
|
|
require.Error(t, callback.CreateFromSyscall(ic))
|
|
})
|
|
})
|
|
}
|