593 lines
18 KiB
Go
593 lines
18 KiB
Go
package core
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import (
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"math/big"
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"testing"
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"github.com/nspcc-dev/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/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/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/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))
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v.Estack().PushVal(tx.Hash().BytesBE())
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err := bcGetTransaction(context, v)
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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))
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v.Estack().PushVal(tx.Hash().BytesBE())
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err := bcGetTransaction(context, v)
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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))
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v.Estack().PushVal(tx.Hash().BytesLE())
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err := bcGetTransaction(context, v)
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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))
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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, v)
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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, v)
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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))
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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, v)
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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))
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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, v)
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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))
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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, v)
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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, v)
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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, v)
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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, v))
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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, v))
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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, v))
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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, v))
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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, v))
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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, v))
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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, v))
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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}, Item: stackitem.NewByteArray([]byte{11})},
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{ScriptHash: util.Uint160{2}, Item: stackitem.NewByteArray([]byte{22})},
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{ScriptHash: util.Uint160{1}, 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, v))
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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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require.Equal(t, ic.Notifications[i].Item, elem[1])
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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, v))
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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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require.Equal(t, ic.Notifications[1].Item, elem[1])
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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, v))
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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, v))
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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, v))
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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, v))
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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 TestContractCreate(t *testing.T) {
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v, cs, ic, bc := createVMAndContractState(t)
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v.GasLimit = -1
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defer bc.Close()
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putArgsOnStack := func() {
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manifest, err := cs.Manifest.MarshalJSON()
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require.NoError(t, err)
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v.Estack().PushVal(manifest)
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v.Estack().PushVal(cs.Script)
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}
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t.Run("positive", func(t *testing.T) {
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putArgsOnStack()
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require.NoError(t, contractCreate(ic, v))
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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("invalid scripthash", func(t *testing.T) {
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cs.Script = append(cs.Script, 0x01)
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putArgsOnStack()
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require.Error(t, contractCreate(ic, v))
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})
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t.Run("contract already exists", func(t *testing.T) {
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cs.Script = cs.Script[:len(cs.Script)-1]
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require.NoError(t, ic.DAO.PutContractState(cs))
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putArgsOnStack()
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require.Error(t, contractCreate(ic, v))
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})
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}
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func compareContractStates(t *testing.T, expected *state.Contract, actual stackitem.Item) {
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act, ok := actual.Value().([]stackitem.Item)
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require.True(t, ok)
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expectedManifest, err := expected.Manifest.MarshalJSON()
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require.NoError(t, err)
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require.Equal(t, 4, len(act))
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require.Equal(t, expected.Script, act[0].Value().([]byte))
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require.Equal(t, expectedManifest, act[1].Value().([]byte))
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require.Equal(t, expected.HasStorage(), act[2].Bool())
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require.Equal(t, expected.IsPayable(), act[3].Bool())
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}
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func TestContractUpdate(t *testing.T) {
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v, cs, ic, bc := createVMAndContractState(t)
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defer bc.Close()
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v.GasLimit = -1
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putArgsOnStack := func(script, manifest []byte) {
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v.Estack().PushVal(manifest)
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v.Estack().PushVal(script)
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}
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t.Run("no args", func(t *testing.T) {
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require.NoError(t, ic.DAO.PutContractState(cs))
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v.LoadScriptWithHash([]byte{byte(opcode.RET)}, cs.ScriptHash(), smartcontract.All)
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putArgsOnStack(nil, nil)
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require.NoError(t, contractUpdate(ic, v))
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})
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t.Run("no contract", func(t *testing.T) {
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require.NoError(t, ic.DAO.PutContractState(cs))
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v.LoadScriptWithHash([]byte{byte(opcode.RET)}, util.Uint160{8, 9, 7}, smartcontract.All)
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require.Error(t, contractUpdate(ic, v))
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})
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t.Run("too large script", func(t *testing.T) {
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require.NoError(t, ic.DAO.PutContractState(cs))
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v.LoadScriptWithHash([]byte{byte(opcode.RET)}, cs.ScriptHash(), smartcontract.All)
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putArgsOnStack(make([]byte, MaxContractScriptSize+1), nil)
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require.Error(t, contractUpdate(ic, v))
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})
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t.Run("too large manifest", func(t *testing.T) {
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require.NoError(t, ic.DAO.PutContractState(cs))
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v.LoadScriptWithHash([]byte{byte(opcode.RET)}, cs.ScriptHash(), smartcontract.All)
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putArgsOnStack(nil, make([]byte, manifest.MaxManifestSize+1))
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require.Error(t, contractUpdate(ic, v))
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})
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t.Run("gas limit exceeded", func(t *testing.T) {
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require.NoError(t, ic.DAO.PutContractState(cs))
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v.GasLimit = 0
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v.LoadScriptWithHash([]byte{byte(opcode.RET)}, cs.ScriptHash(), smartcontract.All)
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putArgsOnStack([]byte{1}, []byte{2})
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require.Error(t, contractUpdate(ic, v))
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})
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t.Run("update script, the same script", func(t *testing.T) {
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require.NoError(t, ic.DAO.PutContractState(cs))
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v.GasLimit = -1
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v.LoadScriptWithHash([]byte{byte(opcode.RET)}, cs.ScriptHash(), smartcontract.All)
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putArgsOnStack(cs.Script, nil)
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require.Error(t, contractUpdate(ic, v))
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})
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t.Run("update script, already exists", func(t *testing.T) {
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require.NoError(t, ic.DAO.PutContractState(cs))
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duplicateScript := []byte{byte(opcode.PUSHDATA4)}
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require.NoError(t, ic.DAO.PutContractState(&state.Contract{
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ID: 95,
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Script: duplicateScript,
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Manifest: manifest.Manifest{
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ABI: manifest.ABI{
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Hash: hash.Hash160(duplicateScript),
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},
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},
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}))
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v.LoadScriptWithHash([]byte{byte(opcode.RET)}, cs.ScriptHash(), smartcontract.All)
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putArgsOnStack(duplicateScript, nil)
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require.Error(t, contractUpdate(ic, v))
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})
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t.Run("update script, positive", func(t *testing.T) {
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require.NoError(t, ic.DAO.PutContractState(cs))
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v.LoadScriptWithHash([]byte{byte(opcode.RET)}, cs.ScriptHash(), smartcontract.All)
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newScript := []byte{9, 8, 7, 6, 5}
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putArgsOnStack(newScript, nil)
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require.NoError(t, contractUpdate(ic, v))
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// updated contract should have new scripthash
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actual, err := ic.DAO.GetContractState(hash.Hash160(newScript))
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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(nil, []byte{1, 2, 3})
|
|
|
|
require.Error(t, contractUpdate(ic, v))
|
|
})
|
|
|
|
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(nil, manifestBytes)
|
|
|
|
require.Error(t, contractUpdate(ic, v))
|
|
})
|
|
|
|
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(nil, manifestBytes)
|
|
|
|
require.Error(t, contractUpdate(ic, v))
|
|
})
|
|
|
|
t.Run("update manifest, positive", func(t *testing.T) {
|
|
cs.Manifest.Features = smartcontract.NoProperties
|
|
require.NoError(t, ic.DAO.PutContractState(cs))
|
|
v.LoadScriptWithHash([]byte{byte(opcode.RET)}, cs.ScriptHash(), smartcontract.All)
|
|
manifest := &manifest.Manifest{
|
|
ABI: manifest.ABI{
|
|
Hash: cs.ScriptHash(),
|
|
EntryPoint: manifest.Method{
|
|
Name: "Main",
|
|
Parameters: []manifest.Parameter{
|
|
manifest.NewParameter("NewParameter", smartcontract.IntegerType),
|
|
},
|
|
ReturnType: smartcontract.StringType,
|
|
},
|
|
},
|
|
Features: smartcontract.HasStorage,
|
|
}
|
|
manifestBytes, err := manifest.MarshalJSON()
|
|
require.NoError(t, err)
|
|
putArgsOnStack(nil, manifestBytes)
|
|
|
|
require.NoError(t, contractUpdate(ic, v))
|
|
|
|
// updated contract should have new scripthash
|
|
actual, err := ic.DAO.GetContractState(cs.ScriptHash())
|
|
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),
|
|
EntryPoint: manifest.Method{
|
|
Name: "Main",
|
|
Parameters: []manifest.Parameter{
|
|
manifest.NewParameter("VeryNewParameter", smartcontract.IntegerType),
|
|
},
|
|
ReturnType: smartcontract.StringType,
|
|
},
|
|
},
|
|
Features: smartcontract.HasStorage,
|
|
}
|
|
newManifestBytes, err := newManifest.MarshalJSON()
|
|
require.NoError(t, err)
|
|
|
|
putArgsOnStack(newScript, newManifestBytes)
|
|
|
|
require.NoError(t, contractUpdate(ic, v))
|
|
|
|
// 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)
|
|
})
|
|
}
|
|
|
|
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, v))
|
|
require.Equal(t, int64(smartcontract.All), v.Estack().Pop().Value().(*big.Int).Int64())
|
|
}
|