// Copyright 2015 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 tests
import (
"bytes"
"errors"
"fmt"
"io"
"runtime"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/core"
"github.com/ethereum/go-ethereum/core/types"
"github.com/ethereum/go-ethereum/logger/glog"
"github.com/ethereum/go-ethereum/params"
"github.com/ethereum/go-ethereum/rlp"
)
// Transaction Test JSON Format
type TtTransaction struct {
Data string
GasLimit string
GasPrice string
Nonce string
R string
S string
To string
V string
Value string
}
type TransactionTest struct {
Blocknumber string
Rlp string
Sender string
Transaction TtTransaction
}
func RunTransactionTestsWithReader(r io.Reader, skipTests []string) error {
skipTest := make(map[string]bool, len(skipTests))
for _, name := range skipTests {
skipTest[name] = true
}
bt := make(map[string]TransactionTest)
if err := readJson(r, &bt); err != nil {
return err
}
for name, test := range bt {
// if the test should be skipped, return
if skipTest[name] {
glog.Infoln("Skipping transaction test", name)
return nil
}
// test the block
if err := runTransactionTest(test); err != nil {
return err
}
glog.Infoln("Transaction test passed: ", name)
}
return nil
}
func RunTransactionTests(file string, skipTests []string) error {
tests := make(map[string]TransactionTest)
if err := readJsonFile(file, &tests); err != nil {
return err
}
if err := runTransactionTests(tests, skipTests); err != nil {
return err
}
return nil
}
func runTransactionTests(tests map[string]TransactionTest, skipTests []string) error {
skipTest := make(map[string]bool, len(skipTests))
for _, name := range skipTests {
skipTest[name] = true
}
for name, test := range tests {
// if the test should be skipped, return
if skipTest[name] {
glog.Infoln("Skipping transaction test", name)
return nil
}
// test the block
if err := runTransactionTest(test); err != nil {
return fmt.Errorf("%s: %v", name, err)
}
glog.Infoln("Transaction test passed: ", name)
}
return nil
}
func runTransactionTest(txTest TransactionTest) (err error) {
tx := new(types.Transaction)
err = rlp.DecodeBytes(mustConvertBytes(txTest.Rlp), tx)
if err != nil {
if txTest.Sender == "" {
// RLP decoding failed and this is expected (test OK)
return nil
} else {
// RLP decoding failed but is expected to succeed (test FAIL)
return fmt.Errorf("RLP decoding failed when expected to succeed: %s", err)
}
}
validationError := verifyTxFields(txTest, tx)
if txTest.Sender == "" {
if validationError != nil {
// RLP decoding works but validation should fail (test OK)
return nil
} else {
// RLP decoding works but validation should fail (test FAIL)
// (this should not be possible but added here for completeness)
return errors.New("Field validations succeeded but should fail")
}
}
if txTest.Sender != "" {
if validationError == nil {
// RLP decoding works and validations pass (test OK)
return nil
} else {
// RLP decoding works and validations pass (test FAIL)
return fmt.Errorf("Field validations failed after RLP decoding: %s", validationError)
}
}
return errors.New("Should not happen: verify RLP decoding and field validation")
}
func verifyTxFields(txTest TransactionTest, decodedTx *types.Transaction) (err error) {
defer func() {
if recovered := recover(); recovered != nil {
buf := make([]byte, 64<<10)
buf = buf[:runtime.Stack(buf, false)]
err = fmt.Errorf("%v\n%s", recovered, buf)
}
}()
var (
decodedSender common.Address
)
chainConfig := &core.ChainConfig{HomesteadBlock: params.MainNetHomesteadBlock}
if chainConfig.IsHomestead(common.String2Big(txTest.Blocknumber)) {
decodedSender, err = decodedTx.From()
} else {
decodedSender, err = decodedTx.FromFrontier()
}
if err != nil {
return err
}
expectedSender := mustConvertAddress(txTest.Sender)
if expectedSender != decodedSender {
return fmt.Errorf("Sender mismatch: %v %v", expectedSender, decodedSender)
}
expectedData := mustConvertBytes(txTest.Transaction.Data)
if !bytes.Equal(expectedData, decodedTx.Data()) {
return fmt.Errorf("Tx input data mismatch: %#v %#v", expectedData, decodedTx.Data())
}
expectedGasLimit := mustConvertBigInt(txTest.Transaction.GasLimit, 16)
if expectedGasLimit.Cmp(decodedTx.Gas()) != 0 {
return fmt.Errorf("GasLimit mismatch: %v %v", expectedGasLimit, decodedTx.Gas())
}
expectedGasPrice := mustConvertBigInt(txTest.Transaction.GasPrice, 16)
if expectedGasPrice.Cmp(decodedTx.GasPrice()) != 0 {
return fmt.Errorf("GasPrice mismatch: %v %v", expectedGasPrice, decodedTx.GasPrice())
}
expectedNonce := mustConvertUint(txTest.Transaction.Nonce, 16)
if expectedNonce != decodedTx.Nonce() {
return fmt.Errorf("Nonce mismatch: %v %v", expectedNonce, decodedTx.Nonce())
}
v, r, s := decodedTx.SignatureValues()
expectedR := mustConvertBigInt(txTest.Transaction.R, 16)
if r.Cmp(expectedR) != 0 {
return fmt.Errorf("R mismatch: %v %v", expectedR, r)
}
expectedS := mustConvertBigInt(txTest.Transaction.S, 16)
if s.Cmp(expectedS) != 0 {
return fmt.Errorf("S mismatch: %v %v", expectedS, s)
}
expectedV := mustConvertUint(txTest.Transaction.V, 16)
if uint64(v) != expectedV {
return fmt.Errorf("V mismatch: %v %v", expectedV, v)
}
expectedTo := mustConvertAddress(txTest.Transaction.To)
if decodedTx.To() == nil {
if expectedTo != common.BytesToAddress([]byte{}) { // "empty" or "zero" address
return fmt.Errorf("To mismatch when recipient is nil (contract creation): %v", expectedTo)
}
} else {
if expectedTo != *decodedTx.To() {
return fmt.Errorf("To mismatch: %v %v", expectedTo, *decodedTx.To())
}
}
expectedValue := mustConvertBigInt(txTest.Transaction.Value, 16)
if expectedValue.Cmp(decodedTx.Value()) != 0 {
return fmt.Errorf("Value mismatch: %v %v", expectedValue, decodedTx.Value())
}
return nil
}
