package core import ( "testing" "github.com/nspcc-dev/neo-go/pkg/config/netmode" "github.com/nspcc-dev/neo-go/pkg/core/block" "github.com/nspcc-dev/neo-go/pkg/core/dao" "github.com/nspcc-dev/neo-go/pkg/core/interop" "github.com/nspcc-dev/neo-go/pkg/core/interop/enumerator" "github.com/nspcc-dev/neo-go/pkg/core/interop/iterator" "github.com/nspcc-dev/neo-go/pkg/core/state" "github.com/nspcc-dev/neo-go/pkg/core/storage" "github.com/nspcc-dev/neo-go/pkg/core/transaction" "github.com/nspcc-dev/neo-go/pkg/crypto/hash" "github.com/nspcc-dev/neo-go/pkg/smartcontract/manifest" "github.com/nspcc-dev/neo-go/pkg/smartcontract/trigger" "github.com/nspcc-dev/neo-go/pkg/util" "github.com/nspcc-dev/neo-go/pkg/vm" "github.com/nspcc-dev/neo-go/pkg/vm/opcode" "github.com/nspcc-dev/neo-go/pkg/vm/stackitem" "github.com/stretchr/testify/require" ) /* Missing tests: * TestTxGetWitnesses * TestAccountIsStandard * TestCreateContractStateFromVM * TestContractCreate * TestContractMigrate * TestRuntimeSerialize * TestRuntimeDeserialize */ func TestStorageFind(t *testing.T) { v, contractState, context, chain := createVMAndContractState(t) defer chain.Close() skeys := [][]byte{{0x01, 0x02}, {0x02, 0x01}, {0x01, 0x01}} items := []*state.StorageItem{ { Value: []byte{0x01, 0x02, 0x03, 0x04}, }, { Value: []byte{0x04, 0x03, 0x02, 0x01}, }, { Value: []byte{0x03, 0x04, 0x05, 0x06}, }, } require.NoError(t, context.DAO.PutContractState(contractState)) id := contractState.ID for i := range skeys { err := context.DAO.PutStorageItem(id, skeys[i], items[i]) require.NoError(t, err) } t.Run("normal invocation", func(t *testing.T) { v.Estack().PushVal([]byte{0x01}) v.Estack().PushVal(stackitem.NewInterop(&StorageContext{ID: id})) err := storageFind(context) require.NoError(t, err) var iter *stackitem.Interop require.NotPanics(t, func() { iter = v.Estack().Top().Interop() }) require.NoError(t, enumerator.Next(context)) require.True(t, v.Estack().Pop().Bool()) v.Estack().PushVal(iter) require.NoError(t, iterator.Key(context)) require.Equal(t, []byte{0x01, 0x01}, v.Estack().Pop().Bytes()) v.Estack().PushVal(iter) require.NoError(t, enumerator.Value(context)) require.Equal(t, []byte{0x03, 0x04, 0x05, 0x06}, v.Estack().Pop().Bytes()) v.Estack().PushVal(iter) require.NoError(t, enumerator.Next(context)) require.True(t, v.Estack().Pop().Bool()) v.Estack().PushVal(iter) require.NoError(t, iterator.Key(context)) require.Equal(t, []byte{0x01, 0x02}, v.Estack().Pop().Bytes()) v.Estack().PushVal(iter) require.NoError(t, enumerator.Value(context)) require.Equal(t, []byte{0x01, 0x02, 0x03, 0x04}, v.Estack().Pop().Bytes()) v.Estack().PushVal(iter) require.NoError(t, enumerator.Next(context)) require.False(t, v.Estack().Pop().Bool()) }) t.Run("normal invocation, empty result", func(t *testing.T) { v.Estack().PushVal([]byte{0x03}) v.Estack().PushVal(stackitem.NewInterop(&StorageContext{ID: id})) err := storageFind(context) require.NoError(t, err) require.NoError(t, enumerator.Next(context)) require.False(t, v.Estack().Pop().Bool()) }) t.Run("invalid type for StorageContext", func(t *testing.T) { v.Estack().PushVal([]byte{0x01}) v.Estack().PushVal(stackitem.NewInterop(nil)) require.Error(t, storageFind(context)) }) t.Run("invalid id", func(t *testing.T) { invalidID := id + 1 v.Estack().PushVal([]byte{0x01}) v.Estack().PushVal(stackitem.NewInterop(&StorageContext{ID: invalidID})) require.NoError(t, storageFind(context)) require.NoError(t, enumerator.Next(context)) require.False(t, v.Estack().Pop().Bool()) }) } // Helper functions to create VM, InteropContext, TX, Account, Contract. func createVM(t *testing.T) (*vm.VM, *interop.Context, *Blockchain) { chain := newTestChain(t) context := chain.newInteropContext(trigger.Application, dao.NewSimple(storage.NewMemoryStore(), netmode.UnitTestNet, chain.config.StateRootInHeader), nil, nil) v := context.SpawnVM() return v, context, chain } func createVMAndPushBlock(t *testing.T) (*vm.VM, *block.Block, *interop.Context, *Blockchain) { v, block, context, chain := createVMAndBlock(t) v.Estack().PushVal(stackitem.NewInterop(block)) return v, block, context, chain } func createVMAndBlock(t *testing.T) (*vm.VM, *block.Block, *interop.Context, *Blockchain) { block := newDumbBlock() chain := newTestChain(t) d := dao.NewSimple(storage.NewMemoryStore(), netmode.UnitTestNet, chain.GetConfig().StateRootInHeader) context := chain.newInteropContext(trigger.Application, d, block, nil) v := context.SpawnVM() return v, block, context, chain } func createVMAndPushTX(t *testing.T) (*vm.VM, *transaction.Transaction, *interop.Context, *Blockchain) { v, tx, context, chain := createVMAndTX(t) v.Estack().PushVal(stackitem.NewInterop(tx)) return v, tx, context, chain } func createVMAndContractState(t *testing.T) (*vm.VM, *state.Contract, *interop.Context, *Blockchain) { script := []byte("testscript") m := manifest.NewManifest("Test") contractState := &state.Contract{ Script: script, Hash: hash.Hash160(script), Manifest: *m, ID: 123, } chain := newTestChain(t) d := dao.NewSimple(storage.NewMemoryStore(), netmode.UnitTestNet, chain.config.StateRootInHeader) context := chain.newInteropContext(trigger.Application, d, nil, nil) v := context.SpawnVM() return v, contractState, context, chain } func createVMAndTX(t *testing.T) (*vm.VM, *transaction.Transaction, *interop.Context, *Blockchain) { script := []byte{byte(opcode.PUSH1), byte(opcode.RET)} tx := transaction.New(netmode.UnitTestNet, script, 0) tx.Signers = []transaction.Signer{{Account: util.Uint160{1, 2, 3, 4}}} chain := newTestChain(t) d := dao.NewSimple(storage.NewMemoryStore(), netmode.UnitTestNet, chain.config.StateRootInHeader) context := chain.newInteropContext(trigger.Application, d, nil, tx) v := context.SpawnVM() return v, tx, context, chain }