Merge pull request #426 from Gustav-Simonsson/add_blockchain_tests

Add initial implementation of block tests
pull/434/head
Jeffrey Wilcke 10 years ago
commit 3b30765378
  1. 41
      cmd/blocktest/flags.go
  2. 320
      cmd/blocktest/main.go
  3. 15
      core/chain_manager.go
  4. 2
      core/error.go

@ -0,0 +1,41 @@
/*
This file is part of go-ethereum
go-ethereum is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
go-ethereum 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with go-ethereum. If not, see <http://www.gnu.org/licenses/>.
*/
/**
* @authors
* Gustav Simonsson <gustav.simonsson@gmail.com>
*/
package main
import (
"flag"
"fmt"
"os"
)
var (
TestFile string
)
func Init() {
flag.Usage = func() {
fmt.Fprintf(os.Stderr, "%s <testfile>\n", os.Args[0])
flag.PrintDefaults()
}
flag.Parse()
TestFile = flag.Arg(0)
}

@ -0,0 +1,320 @@
/*
This file is part of go-ethereum
go-ethereum 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.
go-ethereum 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 General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with go-ethereum. If not, see <http://www.gnu.org/licenses/>.
*/
/**
* @authors
* Gustav Simonsson <gustav.simonsson@gmail.com>
* @date 2015
*
*/
package main
import (
"bytes"
"crypto/ecdsa"
"encoding/hex"
"encoding/json"
"fmt"
"io/ioutil"
"log"
"math/big"
"path"
"runtime"
"strconv"
"strings"
"time"
"github.com/ethereum/go-ethereum/cmd/utils"
types "github.com/ethereum/go-ethereum/core/types"
"github.com/ethereum/go-ethereum/eth"
"github.com/ethereum/go-ethereum/ethutil"
"github.com/ethereum/go-ethereum/logger"
"github.com/ethereum/go-ethereum/p2p"
"github.com/ethereum/go-ethereum/p2p/nat"
"github.com/ethereum/go-ethereum/rlp"
)
const (
ClientIdentifier = "Ethereum(G)"
Version = "0.8.6"
)
type Account struct {
Balance string
Code string
Nonce string
Storage map[string]string
}
type BlockHeader struct {
Bloom string
Coinbase string
Difficulty string
ExtraData string
GasLimit string
GasUsed string
MixHash string
Nonce string
Number string
ParentHash string
ReceiptTrie string
SeedHash string
StateRoot string
Timestamp string
TransactionsTrie string
UncleHash string
}
type Tx struct {
Data string
GasLimit string
GasPrice string
Nonce string
R string
S string
To string
V string
Value string
}
type Block struct {
BlockHeader BlockHeader
Rlp string
Transactions []Tx
UncleHeaders []string
}
type Test struct {
Blocks []Block
GenesisBlockHeader BlockHeader
Pre map[string]Account
}
var (
Identifier string
KeyRing string
DiffTool bool
DiffType string
KeyStore string
StartRpc bool
StartWebSockets bool
RpcListenAddress string
RpcPort int
WsPort int
OutboundPort string
ShowGenesis bool
AddPeer string
MaxPeer int
GenAddr bool
BootNodes string
NodeKey *ecdsa.PrivateKey
NAT nat.Interface
SecretFile string
ExportDir string
NonInteractive bool
Datadir string
LogFile string
ConfigFile string
DebugFile string
LogLevel int
LogFormat string
Dump bool
DumpHash string
DumpNumber int
VmType int
ImportChain string
SHH bool
Dial bool
PrintVersion bool
MinerThreads int
)
// flags specific to cli client
var (
StartMining bool
StartJsConsole bool
InputFile string
)
func main() {
init_vars()
Init()
if len(TestFile) < 1 {
log.Fatal("Please specify test file")
}
blocks, err := loadBlocksFromTestFile(TestFile)
if err != nil {
panic(err)
}
runtime.GOMAXPROCS(runtime.NumCPU())
defer func() {
logger.Flush()
}()
utils.HandleInterrupt()
utils.InitConfig(VmType, ConfigFile, Datadir, "ethblocktest")
ethereum, err := eth.New(&eth.Config{
Name: p2p.MakeName(ClientIdentifier, Version),
KeyStore: KeyStore,
DataDir: Datadir,
LogFile: LogFile,
LogLevel: LogLevel,
LogFormat: LogFormat,
MaxPeers: MaxPeer,
Port: OutboundPort,
NAT: NAT,
KeyRing: KeyRing,
Shh: true,
Dial: Dial,
BootNodes: BootNodes,
NodeKey: NodeKey,
MinerThreads: MinerThreads,
})
utils.StartRpc(ethereum, RpcListenAddress, RpcPort)
utils.StartEthereum(ethereum)
ethereum.ChainManager().ResetWithGenesisBlock(blocks[0])
// fmt.Println("HURR: ", hex.EncodeToString(ethutil.Encode(blocks[0].RlpData())))
go ethereum.ChainManager().InsertChain(types.Blocks{blocks[1]})
fmt.Println("OK! ")
ethereum.WaitForShutdown()
}
func loadBlocksFromTestFile(filePath string) (blocks types.Blocks, err error) {
fileContent, err := ioutil.ReadFile(filePath)
if err != nil {
return
}
bt := *new(map[string]Test)
err = json.Unmarshal(fileContent, &bt)
if err != nil {
return
}
// TODO: support multiple blocks; loop over all blocks
gbh := new(types.Header)
// Let's use slighlty different namings for the same things, because that's awesome.
gbh.ParentHash, err = hex_decode(bt["SimpleTx"].GenesisBlockHeader.ParentHash)
gbh.UncleHash, err = hex_decode(bt["SimpleTx"].GenesisBlockHeader.UncleHash)
gbh.Coinbase, err = hex_decode(bt["SimpleTx"].GenesisBlockHeader.Coinbase)
gbh.Root, err = hex_decode(bt["SimpleTx"].GenesisBlockHeader.StateRoot)
gbh.TxHash, err = hex_decode(bt["SimpleTx"].GenesisBlockHeader.TransactionsTrie)
gbh.ReceiptHash, err = hex_decode(bt["SimpleTx"].GenesisBlockHeader.ReceiptTrie)
gbh.Bloom, err = hex_decode(bt["SimpleTx"].GenesisBlockHeader.Bloom)
gbh.MixDigest, err = hex_decode(bt["SimpleTx"].GenesisBlockHeader.MixHash)
gbh.SeedHash, err = hex_decode(bt["SimpleTx"].GenesisBlockHeader.SeedHash)
d, _ := new(big.Int).SetString(bt["SimpleTx"].GenesisBlockHeader.Difficulty, 10)
gbh.Difficulty = d
n, _ := new(big.Int).SetString(bt["SimpleTx"].GenesisBlockHeader.Number, 10)
gbh.Number = n
gl, _ := new(big.Int).SetString(bt["SimpleTx"].GenesisBlockHeader.GasLimit, 10)
gbh.GasLimit = gl
gu, _ := new(big.Int).SetString(bt["SimpleTx"].GenesisBlockHeader.GasUsed, 10)
gbh.GasUsed = gu
ts, _ := new(big.Int).SetString(bt["SimpleTx"].GenesisBlockHeader.Timestamp, 0)
gbh.Time = ts.Uint64()
extra, err := hex_decode(bt["SimpleTx"].GenesisBlockHeader.ExtraData)
gbh.Extra = string(extra) // TODO: change ExtraData to byte array
nonce, _ := hex_decode(bt["SimpleTx"].GenesisBlockHeader.Nonce)
gbh.Nonce = nonce
if err != nil {
return
}
gb := types.NewBlockWithHeader(gbh)
gb.Reward = new(big.Int)
testBlock := new(types.Block)
rlpBytes, err := hex_decode(bt["SimpleTx"].Blocks[0].Rlp)
err = rlp.Decode(bytes.NewReader(rlpBytes), &testBlock)
if err != nil {
return
}
blocks = types.Blocks{
gb,
testBlock,
}
return
}
func init_vars() {
VmType = 0
Identifier = ""
KeyRing = ""
KeyStore = "db"
RpcListenAddress = "127.0.0.1"
RpcPort = 8545
WsPort = 40404
StartRpc = true
StartWebSockets = false
NonInteractive = false
GenAddr = false
SecretFile = ""
ExportDir = ""
LogFile = ""
timeStr := strconv.FormatInt(time.Now().UnixNano(), 10)
Datadir = path.Join(ethutil.DefaultDataDir(), timeStr)
ConfigFile = path.Join(ethutil.DefaultDataDir(), timeStr, "conf.ini")
DebugFile = ""
LogLevel = 5
LogFormat = "std"
DiffTool = false
DiffType = "all"
ShowGenesis = false
ImportChain = ""
Dump = false
DumpHash = ""
DumpNumber = -1
StartMining = false
StartJsConsole = false
PrintVersion = false
MinerThreads = runtime.NumCPU()
Dial = false
OutboundPort = "30303"
BootNodes = ""
MaxPeer = 1
}
func hex_decode(s string) (res []byte, err error) {
return hex.DecodeString(strings.TrimPrefix(s, "0x"))
}

@ -234,6 +234,21 @@ func (bc *ChainManager) Reset() {
bc.setTotalDifficulty(ethutil.Big("0"))
}
func (bc *ChainManager) ResetWithGenesisBlock(gb *types.Block) {
bc.mu.Lock()
defer bc.mu.Unlock()
for block := bc.currentBlock; block != nil; block = bc.GetBlock(block.Header().ParentHash) {
bc.db.Delete(block.Hash())
}
// Prepare the genesis block
bc.genesisBlock = gb
bc.write(bc.genesisBlock)
bc.insert(bc.genesisBlock)
bc.currentBlock = bc.genesisBlock
}
func (self *ChainManager) Export() []byte {
self.mu.RLock()
defer self.mu.RUnlock()

@ -22,7 +22,7 @@ func (err *ParentErr) Error() string {
}
func ParentError(hash []byte) error {
return &ParentErr{Message: fmt.Sprintf("Block's parent unkown %x", hash)}
return &ParentErr{Message: fmt.Sprintf("Block's parent unknown %x", hash)}
}
func IsParentErr(err error) bool {

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