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console: handle undefined + null in console funcs (#21160)

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This commit is contained in:
Guillaume Ballet 2020-06-02 18:06:22 +02:00 committed by GitHub
parent d98c42c0e3
commit 5f6f5e345e
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2 changed files with 58 additions and 8 deletions
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18
console/bridge.go
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@ -233,11 +233,12 @@ func (b *bridge) UnlockAccount(call jsre.Call) (goja.Value, error) {
if len(call.Arguments) < 1 {
return nil, fmt.Errorf("usage: unlockAccount(account, [ password, duration ])")
}
account := call.Argument(0)
// Make sure we have an account specified to unlock.
if call.Argument(0).ExportType().Kind() != reflect.String {
if goja.IsUndefined(account) || goja.IsNull(account) || account.ExportType().Kind() != reflect.String {
return nil, fmt.Errorf("first argument must be the account to unlock")
}
account := call.Argument(0)
// If password is not given or is the null value, prompt the user for it.
var passwd goja.Value
@ -285,10 +286,10 @@ func (b *bridge) Sign(call jsre.Call) (goja.Value, error) {
passwd = call.Argument(2)
)
if message.ExportType().Kind() != reflect.String {
if goja.IsUndefined(message) || message.ExportType().Kind() != reflect.String {
return nil, fmt.Errorf("first argument must be the message to sign")
}
if account.ExportType().Kind() != reflect.String {
if goja.IsUndefined(account) || account.ExportType().Kind() != reflect.String {
return nil, fmt.Errorf("second argument must be the account to sign with")
}
@ -317,10 +318,11 @@ func (b *bridge) Sleep(call jsre.Call) (goja.Value, error) {
if nArgs := len(call.Arguments); nArgs < 1 {
return nil, fmt.Errorf("usage: sleep(<number of seconds>)")
}
if !isNumber(call.Argument(0)) {
sleepObj := call.Argument(0)
if goja.IsUndefined(sleepObj) || goja.IsNull(sleepObj) || !isNumber(sleepObj) {
return nil, fmt.Errorf("usage: sleep(<number of seconds>)")
}
sleep := call.Argument(0).ToFloat()
sleep := sleepObj.ToFloat()
time.Sleep(time.Duration(sleep * float64(time.Second)))
return call.VM.ToValue(true), nil
}
@ -338,13 +340,13 @@ func (b *bridge) SleepBlocks(call jsre.Call) (goja.Value, error) {
return nil, fmt.Errorf("usage: sleepBlocks(<n blocks>[, max sleep in seconds])")
}
if nArgs >= 1 {
if !isNumber(call.Argument(0)) {
if goja.IsNull(call.Argument(0)) || goja.IsUndefined(call.Argument(0)) || !isNumber(call.Argument(0)) {
return nil, fmt.Errorf("expected number as first argument")
}
blocks = call.Argument(0).ToInteger()
}
if nArgs >= 2 {
if !isNumber(call.Argument(1)) {
if goja.IsNull(call.Argument(1)) || goja.IsUndefined(call.Argument(1)) || !isNumber(call.Argument(1)) {
return nil, fmt.Errorf("expected number as second argument")
}
sleep = call.Argument(1).ToInteger()

48
console/bridge_test.go Normal file
View File

@ -0,0 +1,48 @@
// Copyright 2020 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
package console
import (
"testing"
"github.com/dop251/goja"
"github.com/ethereum/go-ethereum/internal/jsre"
)
// TestUndefinedAsParam ensures that personal functions can receive
// `undefined` as a parameter.
func TestUndefinedAsParam(t *testing.T) {
b := bridge{}
call := jsre.Call{}
call.Arguments = []goja.Value{goja.Undefined()}
b.UnlockAccount(call)
b.Sign(call)
b.Sleep(call)
}
// TestNullAsParam ensures that personal functions can receive
// `null` as a parameter.
func TestNullAsParam(t *testing.T) {
b := bridge{}
call := jsre.Call{}
call.Arguments = []goja.Value{goja.Null()}
b.UnlockAccount(call)
b.Sign(call)
b.Sleep(call)
}