mirror of
https://github.com/nspcc-dev/neo-go.git
synced 2024-11-23 13:38:35 +00:00
521 lines
15 KiB
Go
521 lines
15 KiB
Go
package cli
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import (
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"bytes"
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"encoding/base64"
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"encoding/hex"
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"encoding/json"
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"fmt"
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gio "io"
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"io/ioutil"
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"os"
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"path"
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"strings"
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"sync"
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"testing"
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"time"
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"github.com/abiosoft/readline"
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"github.com/nspcc-dev/neo-go/pkg/compiler"
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"github.com/nspcc-dev/neo-go/pkg/config"
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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/io"
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"github.com/nspcc-dev/neo-go/pkg/smartcontract/nef"
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"github.com/nspcc-dev/neo-go/pkg/util"
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"github.com/nspcc-dev/neo-go/pkg/vm"
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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/stretchr/testify/require"
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"go.uber.org/atomic"
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)
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type readCloser struct {
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sync.Mutex
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bytes.Buffer
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}
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func (r *readCloser) Close() error {
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return nil
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}
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func (r *readCloser) Read(p []byte) (int, error) {
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r.Lock()
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defer r.Unlock()
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return r.Buffer.Read(p)
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}
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func (r *readCloser) WriteString(s string) {
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r.Lock()
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defer r.Unlock()
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r.Buffer.WriteString(s)
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}
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type executor struct {
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in *readCloser
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out *bytes.Buffer
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cli *VMCLI
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ch chan struct{}
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exit atomic.Bool
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}
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func newTestVMCLI(t *testing.T) *executor {
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return newTestVMCLIWithLogo(t, false)
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}
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func newTestVMCLIWithLogo(t *testing.T, printLogo bool) *executor {
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e := &executor{
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in: &readCloser{Buffer: *bytes.NewBuffer(nil)},
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out: bytes.NewBuffer(nil),
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ch: make(chan struct{}),
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}
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e.cli = NewWithConfig(printLogo,
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func(int) { e.exit.Store(true) },
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&readline.Config{
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Prompt: "",
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Stdin: e.in,
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Stdout: e.out,
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})
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return e
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}
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func (e *executor) runProg(t *testing.T, commands ...string) {
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cmd := strings.Join(commands, "\n") + "\n"
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e.in.WriteString(cmd + "\n")
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go func() {
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require.NoError(t, e.cli.Run())
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close(e.ch)
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}()
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select {
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case <-e.ch:
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case <-time.After(2 * time.Second):
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require.Fail(t, "command took too long time")
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}
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}
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func (e *executor) checkNextLine(t *testing.T, expected string) {
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line, err := e.out.ReadString('\n')
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require.NoError(t, err)
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require.Regexp(t, expected, line)
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}
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func (e *executor) checkError(t *testing.T, expectedErr error) {
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line, err := e.out.ReadString('\n')
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require.NoError(t, err)
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require.True(t, strings.HasPrefix(line, "Error: "+expectedErr.Error()))
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}
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func (e *executor) checkStack(t *testing.T, items ...interface{}) {
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d := json.NewDecoder(e.out)
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var actual interface{}
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require.NoError(t, d.Decode(&actual))
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rawActual, err := json.Marshal(actual)
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require.NoError(t, err)
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expected := vm.NewStack("")
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for i := range items {
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expected.PushVal(items[i])
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}
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rawExpected, err := json.Marshal(expected)
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require.NoError(t, err)
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require.JSONEq(t, string(rawExpected), string(rawActual))
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// Decoder has it's own buffer, we need to return unread part to the output.
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outRemain := e.out.String()
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e.out.Reset()
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_, err = gio.Copy(e.out, d.Buffered())
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require.NoError(t, err)
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e.out.WriteString(outRemain)
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_, err = e.out.ReadString('\n')
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require.NoError(t, err)
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}
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func TestLoad(t *testing.T) {
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script := []byte{byte(opcode.PUSH3), byte(opcode.PUSH4), byte(opcode.ADD)}
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t.Run("loadhex", func(t *testing.T) {
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e := newTestVMCLI(t)
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e.runProg(t,
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"loadhex",
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"loadhex notahex",
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"loadhex "+hex.EncodeToString(script))
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e.checkError(t, ErrMissingParameter)
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e.checkError(t, ErrInvalidParameter)
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e.checkNextLine(t, "READY: loaded 3 instructions")
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})
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t.Run("loadbase64", func(t *testing.T) {
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e := newTestVMCLI(t)
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e.runProg(t,
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"loadbase64",
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"loadbase64 not_a_base64",
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"loadbase64 "+base64.StdEncoding.EncodeToString(script))
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e.checkError(t, ErrMissingParameter)
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e.checkError(t, ErrInvalidParameter)
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e.checkNextLine(t, "READY: loaded 3 instructions")
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})
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src := `package kek
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func Main(op string, a, b int) int {
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if op == "add" {
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return a + b
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} else {
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return a * b
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}
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}`
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tmpDir := t.TempDir()
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t.Run("loadgo", func(t *testing.T) {
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filename := path.Join(tmpDir, "vmtestcontract.go")
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require.NoError(t, ioutil.WriteFile(filename, []byte(src), os.ModePerm))
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filenameErr := path.Join(tmpDir, "vmtestcontract_err.go")
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require.NoError(t, ioutil.WriteFile(filenameErr, []byte(src+"invalid_token"), os.ModePerm))
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e := newTestVMCLI(t)
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e.runProg(t,
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"loadgo",
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"loadgo "+filenameErr,
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"loadgo "+filename,
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"run main add 3 5")
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e.checkError(t, ErrMissingParameter)
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e.checkNextLine(t, "Error:")
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e.checkNextLine(t, "READY: loaded \\d* instructions")
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e.checkStack(t, 8)
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})
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t.Run("loadgo, check calling flags", func(t *testing.T) {
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srcAllowNotify := `package kek
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import "github.com/nspcc-dev/neo-go/pkg/interop/runtime"
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func Main() int {
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runtime.Log("Hello, world!")
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return 1
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}
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`
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filename := path.Join(tmpDir, "vmtestcontract.go")
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require.NoError(t, ioutil.WriteFile(filename, []byte(srcAllowNotify), os.ModePerm))
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e := newTestVMCLI(t)
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e.runProg(t,
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"loadgo "+filename,
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"run main")
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e.checkNextLine(t, "READY: loaded \\d* instructions")
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e.checkStack(t, 1)
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})
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t.Run("loadnef", func(t *testing.T) {
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config.Version = "0.92.0-test"
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script, di, err := compiler.CompileWithDebugInfo("test", strings.NewReader(src))
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require.NoError(t, err)
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nefFile, err := nef.NewFile(script)
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require.NoError(t, err)
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filename := path.Join(tmpDir, "vmtestcontract.nef")
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rawNef, err := nefFile.Bytes()
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require.NoError(t, err)
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require.NoError(t, ioutil.WriteFile(filename, rawNef, os.ModePerm))
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m, err := di.ConvertToManifest(&compiler.Options{})
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require.NoError(t, err)
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manifestFile := path.Join(tmpDir, "vmtestcontract.manifest.json")
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rawManifest, err := json.Marshal(m)
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require.NoError(t, err)
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require.NoError(t, ioutil.WriteFile(manifestFile, rawManifest, os.ModePerm))
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filenameErr := path.Join(tmpDir, "vmtestcontract_err.nef")
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require.NoError(t, ioutil.WriteFile(filenameErr, append([]byte{1, 2, 3, 4}, rawNef...), os.ModePerm))
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notExists := path.Join(tmpDir, "notexists.json")
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e := newTestVMCLI(t)
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e.runProg(t,
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"loadnef",
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"loadnef "+filenameErr+" "+manifestFile,
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"loadnef "+filename+" "+notExists,
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"loadnef "+filename+" "+filename,
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"loadnef "+filename+" "+manifestFile,
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"run main add 3 5")
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e.checkError(t, ErrMissingParameter)
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e.checkNextLine(t, "Error:")
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e.checkNextLine(t, "Error:")
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e.checkNextLine(t, "Error:")
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e.checkNextLine(t, "READY: loaded \\d* instructions")
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e.checkStack(t, 8)
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})
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}
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func TestRunWithDifferentArguments(t *testing.T) {
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src := `package kek
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var a = 1
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func init() {
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a += 1
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}
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func InitHasRun() bool {
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return a == 2
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}
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func Negate(arg bool) bool {
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return !arg
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}
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func GetInt(arg int) int {
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return arg
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}
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func GetString(arg string) string {
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return arg
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}`
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tmpDir := t.TempDir()
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filename := path.Join(tmpDir, "run_vmtestcontract.go")
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require.NoError(t, ioutil.WriteFile(filename, []byte(src), os.ModePerm))
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e := newTestVMCLI(t)
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e.runProg(t,
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"loadgo "+filename, "run notexists",
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"loadgo "+filename, "run negate false",
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"loadgo "+filename, "run negate true",
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"loadgo "+filename, "run negate bool:invalid",
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"loadgo "+filename, "run getInt 123",
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"loadgo "+filename, "run getInt int:invalid",
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"loadgo "+filename, "run getString validstring",
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"loadgo "+filename, "run initHasRun",
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"loadhex "+hex.EncodeToString([]byte{byte(opcode.ADD)}),
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"run _ 1 2",
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"loadbase64 "+base64.StdEncoding.EncodeToString([]byte{byte(opcode.MUL)}),
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"run _ 21 2",
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)
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e.checkNextLine(t, "READY: loaded \\d.* instructions")
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e.checkNextLine(t, "Error:")
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e.checkNextLine(t, "READY: loaded \\d.* instructions")
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e.checkStack(t, true)
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e.checkNextLine(t, "READY: loaded \\d.* instructions")
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e.checkStack(t, false)
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e.checkNextLine(t, "READY: loaded \\d.* instructions")
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e.checkError(t, ErrInvalidParameter)
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e.checkNextLine(t, "READY: loaded \\d.* instructions")
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e.checkStack(t, 123)
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e.checkNextLine(t, "READY: loaded \\d.* instructions")
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e.checkError(t, ErrInvalidParameter)
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e.checkNextLine(t, "READY: loaded \\d.* instructions")
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e.checkStack(t, "validstring")
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e.checkNextLine(t, "READY: loaded \\d.* instructions")
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e.checkStack(t, true)
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e.checkNextLine(t, "READY: loaded \\d.* instructions")
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e.checkStack(t, 3)
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e.checkNextLine(t, "READY: loaded \\d.* instructions")
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e.checkStack(t, 42)
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}
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func TestPrintOps(t *testing.T) {
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w := io.NewBufBinWriter()
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emit.String(w.BinWriter, "log")
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emit.Syscall(w.BinWriter, interopnames.SystemRuntimeLog)
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emit.Instruction(w.BinWriter, opcode.PUSHDATA1, []byte{3, 1, 2, 3})
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script := w.Bytes()
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e := newTestVMCLI(t)
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e.runProg(t,
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"ops",
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"loadhex "+hex.EncodeToString(script),
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"ops")
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e.checkNextLine(t, ".*no program loaded")
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e.checkNextLine(t, fmt.Sprintf("READY: loaded %d instructions", len(script)))
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e.checkNextLine(t, "INDEX.*OPCODE.*PARAMETER")
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e.checkNextLine(t, "0.*PUSHDATA1.*6c6f67")
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e.checkNextLine(t, "5.*SYSCALL.*System\\.Runtime\\.Log")
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e.checkNextLine(t, "10.*PUSHDATA1.*010203")
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}
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func TestLoadAbort(t *testing.T) {
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e := newTestVMCLI(t)
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e.runProg(t,
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"loadhex "+hex.EncodeToString([]byte{byte(opcode.PUSH1), byte(opcode.ABORT)}),
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"run",
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)
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e.checkNextLine(t, "READY: loaded 2 instructions")
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e.checkNextLine(t, "Error:.*at instruction 1.*ABORT")
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}
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func TestBreakpoint(t *testing.T) {
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w := io.NewBufBinWriter()
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emit.Opcodes(w.BinWriter, opcode.PUSH1, opcode.PUSH2, opcode.ADD, opcode.PUSH6, opcode.ADD)
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e := newTestVMCLI(t)
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e.runProg(t,
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"break 3",
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"cont",
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"ip",
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"loadhex "+hex.EncodeToString(w.Bytes()),
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"break",
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"break second",
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"break 2",
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"break 4",
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"cont", "estack",
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"run", "estack",
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"cont",
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)
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e.checkNextLine(t, "no program loaded")
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e.checkNextLine(t, "no program loaded")
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e.checkNextLine(t, "no program loaded")
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e.checkNextLine(t, "READY: loaded 5 instructions")
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e.checkError(t, ErrMissingParameter)
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e.checkError(t, ErrInvalidParameter)
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e.checkNextLine(t, "breakpoint added at instruction 2")
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e.checkNextLine(t, "breakpoint added at instruction 4")
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e.checkNextLine(t, "at breakpoint 2.*ADD")
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e.checkStack(t, 1, 2)
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e.checkNextLine(t, "at breakpoint 4.*ADD")
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e.checkStack(t, 3, 6)
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e.checkStack(t, 9)
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}
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func TestStep(t *testing.T) {
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script := hex.EncodeToString([]byte{
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byte(opcode.PUSH0), byte(opcode.PUSH1), byte(opcode.PUSH2), byte(opcode.PUSH3),
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})
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e := newTestVMCLI(t)
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e.runProg(t,
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"step",
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"loadhex "+script,
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"step invalid",
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"step",
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"step 2",
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"ip", "step", "ip")
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e.checkNextLine(t, "no program loaded")
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e.checkNextLine(t, "READY: loaded \\d+ instructions")
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e.checkError(t, ErrInvalidParameter)
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e.checkNextLine(t, "at breakpoint 1.*PUSH1")
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e.checkNextLine(t, "at breakpoint 3.*PUSH3")
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e.checkNextLine(t, "instruction pointer at 3.*PUSH3")
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e.checkNextLine(t, "execution has finished")
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e.checkNextLine(t, "execution has finished")
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}
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func TestErrorOnStepInto(t *testing.T) {
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script := hex.EncodeToString([]byte{byte(opcode.ADD)})
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e := newTestVMCLI(t)
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e.runProg(t,
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"stepover",
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"loadhex "+script,
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"stepover")
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e.checkNextLine(t, "Error:.*no program loaded")
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e.checkNextLine(t, "READY: loaded 1 instructions")
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e.checkNextLine(t, "Error:")
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}
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func TestStepIntoOverOut(t *testing.T) {
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script := hex.EncodeToString([]byte{
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byte(opcode.PUSH2), byte(opcode.CALL), 4, byte(opcode.NOP), byte(opcode.RET),
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byte(opcode.PUSH3), byte(opcode.ADD), byte(opcode.RET),
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})
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e := newTestVMCLI(t)
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e.runProg(t,
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"loadhex "+script,
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"step", "stepover", "run",
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"loadhex "+script,
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"step", "stepinto", "step", "estack", "run",
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"loadhex "+script,
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"step", "stepinto", "stepout", "run")
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e.checkNextLine(t, "READY: loaded 8 instructions")
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e.checkNextLine(t, "at breakpoint 1.*CALL")
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e.checkNextLine(t, "instruction pointer at.*NOP")
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e.checkStack(t, 5)
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e.checkNextLine(t, "READY: loaded 8 instructions")
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e.checkNextLine(t, "at breakpoint.*CALL")
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e.checkNextLine(t, "instruction pointer at.*PUSH3")
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e.checkNextLine(t, "at breakpoint.*ADD")
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e.checkStack(t, 2, 3)
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e.checkStack(t, 5)
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e.checkNextLine(t, "READY: loaded 8 instructions")
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e.checkNextLine(t, "at breakpoint 1.*CALL")
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e.checkNextLine(t, "instruction pointer at.*PUSH3")
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e.checkNextLine(t, "instruction pointer at.*NOP")
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e.checkStack(t, 5)
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}
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// `Parse` output is written via `tabwriter` so if any problems
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// are encountered in this test, try to replace ' ' with '\\s+'.
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func TestParse(t *testing.T) {
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t.Run("Integer", func(t *testing.T) {
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e := newTestVMCLI(t)
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e.runProg(t,
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"parse",
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"parse 6667")
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e.checkError(t, ErrMissingParameter)
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e.checkNextLine(t, "Integer to Hex.*0b1a")
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e.checkNextLine(t, "Integer to Base64.*Cxo=")
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e.checkNextLine(t, "Hex to String.*\"fg\"")
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e.checkNextLine(t, "Hex to Integer.*26470")
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e.checkNextLine(t, "Swap Endianness.*6766")
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e.checkNextLine(t, "Base64 to String.*\"뮻\"")
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e.checkNextLine(t, "Base64 to BigInteger.*-4477205")
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e.checkNextLine(t, "String to Hex.*36363637")
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e.checkNextLine(t, "String to Base64.*NjY2Nw==")
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})
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t.Run("Address", func(t *testing.T) {
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e := newTestVMCLI(t)
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e.runProg(t, "parse "+"NbTiM6h8r99kpRtb428XcsUk1TzKed2gTc")
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e.checkNextLine(t, "Address to BE ScriptHash.*aa8acf859d4fe402b34e673f2156821796a488eb")
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e.checkNextLine(t, "Address to LE ScriptHash.*eb88a496178256213f674eb302e44f9d85cf8aaa")
|
|
e.checkNextLine(t, "Address to Base64.*(BE).*qorPhZ1P5AKzTmc/IVaCF5akiOs=")
|
|
e.checkNextLine(t, "Address to Base64.*(LE).*64iklheCViE/Z06zAuRPnYXPiqo=")
|
|
e.checkNextLine(t, "String to Hex.*4e6254694d3668387239396b70527462343238586373556b31547a4b656432675463")
|
|
e.checkNextLine(t, "String to Base64.*TmJUaU02aDhyOTlrcFJ0YjQyOFhjc1VrMVR6S2VkMmdUYw==")
|
|
})
|
|
t.Run("Uint160", func(t *testing.T) {
|
|
u := util.Uint160{66, 67, 68}
|
|
e := newTestVMCLI(t)
|
|
e.runProg(t, "parse "+u.StringLE())
|
|
e.checkNextLine(t, "Integer to Hex.*b6c706")
|
|
e.checkNextLine(t, "Integer to Base64.*tscG")
|
|
e.checkNextLine(t, "BE ScriptHash to Address.*NKuyBkoGdZZSLyPbJEetheRhQKhATAzN2A")
|
|
e.checkNextLine(t, "LE ScriptHash to Address.*NRxLN7apYwKJihzMt4eSSnU9BJ77dp2TNj")
|
|
e.checkNextLine(t, "Hex to String")
|
|
e.checkNextLine(t, "Hex to Integer.*378293464438118320046642359484100328446970822656")
|
|
e.checkNextLine(t, "Swap Endianness.*4243440000000000000000000000000000000000")
|
|
e.checkNextLine(t, "Base64 to String.*")
|
|
e.checkNextLine(t, "Base64 to BigInteger.*376115185060690908522683414825349447309891933036899526770189324554358227")
|
|
e.checkNextLine(t, "String to Hex.*30303030303030303030303030303030303030303030303030303030303030303030343434333432")
|
|
e.checkNextLine(t, "String to Base64.*MDAwMDAwMDAwMDAwMDAwMDAwMDAwMDAwMDAwMDAwMDAwMDQ0NDM0Mg==")
|
|
})
|
|
t.Run("public key", func(t *testing.T) {
|
|
pub := "02b3622bf4017bdfe317c58aed5f4c753f206b7db896046fa7d774bbc4bf7f8dc2"
|
|
e := newTestVMCLI(t)
|
|
e.runProg(t, "parse "+pub)
|
|
e.checkNextLine(t, "Public key to BE ScriptHash.*ee9ea22c27e34bd0148fc4108e08f74e8f5048b2")
|
|
e.checkNextLine(t, "Public key to LE ScriptHash.*b248508f4ef7088e10c48f14d04be3272ca29eee")
|
|
e.checkNextLine(t, "Public key to Address.*Nhfg3TbpwogLvDGVvAvqyThbsHgoSUKwtn")
|
|
e.checkNextLine(t, "Hex to String")
|
|
e.checkNextLine(t, "Hex to Integer.*-7115107707948693452214836319400158580475150561081357074343221218306172781415678")
|
|
e.checkNextLine(t, "Swap Endianness.*c28d7fbfc4bb74d7a76f0496b87d6b203f754c5fed8ac517e3df7b01f42b62b302")
|
|
e.checkNextLine(t, "String to Hex.*303262333632326266343031376264666533313763353861656435663463373533663230366237646238393630343666613764373734626263346266376638646332")
|
|
e.checkNextLine(t, "String to Base64.*MDJiMzYyMmJmNDAxN2JkZmUzMTdjNThhZWQ1ZjRjNzUzZjIwNmI3ZGI4OTYwNDZmYTdkNzc0YmJjNGJmN2Y4ZGMy")
|
|
})
|
|
}
|
|
|
|
func TestPrintLogo(t *testing.T) {
|
|
e := newTestVMCLIWithLogo(t, true)
|
|
e.runProg(t)
|
|
require.True(t, strings.HasPrefix(e.out.String(), logo))
|
|
require.False(t, e.exit.Load())
|
|
}
|
|
|
|
func TestExit(t *testing.T) {
|
|
e := newTestVMCLI(t)
|
|
e.runProg(t, "exit")
|
|
require.True(t, e.exit.Load())
|
|
}
|