mirror of
https://gitlab.com/pulsechaincom/erigon-pulse.git
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80fcbd3040
This replaces the JavaScript interpreter used by the console with goja, which is actively maintained and a lot faster than otto. Clef still uses otto and eth/tracers still uses duktape, so we are currently dependent on three different JS interpreters. We're looking to replace the remaining uses of otto soon though.
138 lines
3.4 KiB
Go
138 lines
3.4 KiB
Go
// Copyright 2015 The go-ethereum Authors
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// This file is part of the go-ethereum library.
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//
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// The go-ethereum library is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Lesser General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// The go-ethereum library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public License
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// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
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package jsre
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import (
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"io/ioutil"
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"os"
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"path"
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"reflect"
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"testing"
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"time"
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"github.com/dop251/goja"
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)
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type testNativeObjectBinding struct {
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vm *goja.Runtime
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}
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type msg struct {
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Msg string
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}
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func (no *testNativeObjectBinding) TestMethod(call goja.FunctionCall) goja.Value {
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m := call.Argument(0).ToString().String()
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return no.vm.ToValue(&msg{m})
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}
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func newWithTestJS(t *testing.T, testjs string) (*JSRE, string) {
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dir, err := ioutil.TempDir("", "jsre-test")
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if err != nil {
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t.Fatal("cannot create temporary directory:", err)
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}
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if testjs != "" {
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if err := ioutil.WriteFile(path.Join(dir, "test.js"), []byte(testjs), os.ModePerm); err != nil {
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t.Fatal("cannot create test.js:", err)
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}
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}
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jsre := New(dir, os.Stdout)
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return jsre, dir
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}
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func TestExec(t *testing.T) {
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jsre, dir := newWithTestJS(t, `msg = "testMsg"`)
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defer os.RemoveAll(dir)
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err := jsre.Exec("test.js")
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if err != nil {
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t.Errorf("expected no error, got %v", err)
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}
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val, err := jsre.Run("msg")
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if err != nil {
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t.Errorf("expected no error, got %v", err)
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}
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if val.ExportType().Kind() != reflect.String {
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t.Errorf("expected string value, got %v", val)
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}
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exp := "testMsg"
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got := val.ToString().String()
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if exp != got {
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t.Errorf("expected '%v', got '%v'", exp, got)
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}
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jsre.Stop(false)
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}
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func TestNatto(t *testing.T) {
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jsre, dir := newWithTestJS(t, `setTimeout(function(){msg = "testMsg"}, 1);`)
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defer os.RemoveAll(dir)
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err := jsre.Exec("test.js")
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if err != nil {
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t.Errorf("expected no error, got %v", err)
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}
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time.Sleep(100 * time.Millisecond)
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val, err := jsre.Run("msg")
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if err != nil {
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t.Errorf("expected no error, got %v", err)
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}
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if val.ExportType().Kind() != reflect.String {
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t.Errorf("expected string value, got %v", val)
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}
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exp := "testMsg"
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got := val.ToString().String()
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if exp != got {
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t.Errorf("expected '%v', got '%v'", exp, got)
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}
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jsre.Stop(false)
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}
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func TestBind(t *testing.T) {
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jsre := New("", os.Stdout)
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defer jsre.Stop(false)
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jsre.Set("no", &testNativeObjectBinding{vm: jsre.vm})
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_, err := jsre.Run(`no.TestMethod("testMsg")`)
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if err != nil {
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t.Errorf("expected no error, got %v", err)
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}
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}
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func TestLoadScript(t *testing.T) {
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jsre, dir := newWithTestJS(t, `msg = "testMsg"`)
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defer os.RemoveAll(dir)
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_, err := jsre.Run(`loadScript("test.js")`)
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if err != nil {
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t.Errorf("expected no error, got %v", err)
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}
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val, err := jsre.Run("msg")
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if err != nil {
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t.Errorf("expected no error, got %v", err)
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}
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if val.ExportType().Kind() != reflect.String {
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t.Errorf("expected string value, got %v", val)
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}
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exp := "testMsg"
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got := val.ToString().String()
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if exp != got {
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t.Errorf("expected '%v', got '%v'", exp, got)
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}
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jsre.Stop(false)
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}
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