forked from cerc-io/plugeth
Add initial implementation of block tests
* Add blocktest cmd and support for block tests files in tests/BlockTests , the launched node does not connect to network, resets state with a genesis block from the test file and starts the RPC API
This commit is contained in:
Gustav Simonsson
parent
15f491e500
commit
871dfd399b
41
cmd/blocktest/flags.go
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41
cmd/blocktest/flags.go
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@ -0,0 +1,41 @@
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/*
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This file is part of go-ethereum
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go-ethereum is free software: you can redistribute it and/or modify
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it under the terms of the GNU 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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go-ethereum 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 General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with go-ethereum. If not, see <http://www.gnu.org/licenses/>.
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*/
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/**
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* @authors
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* Gustav Simonsson <gustav.simonsson@gmail.com>
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*/
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package main
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import (
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"flag"
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"fmt"
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"os"
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)
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var (
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TestFile string
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)
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func Init() {
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flag.Usage = func() {
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fmt.Fprintf(os.Stderr, "%s <testfile>\n", os.Args[0])
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flag.PrintDefaults()
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}
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flag.Parse()
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TestFile = flag.Arg(0)
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}
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320
cmd/blocktest/main.go
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320
cmd/blocktest/main.go
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@ -0,0 +1,320 @@
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/*
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This file is part of go-ethereum
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go-ethereum 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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go-ethereum 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 General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with go-ethereum. If not, see <http://www.gnu.org/licenses/>.
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*/
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/**
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* @authors
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* Gustav Simonsson <gustav.simonsson@gmail.com>
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* @date 2015
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*
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*/
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package main
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import (
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"bytes"
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"crypto/ecdsa"
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"encoding/hex"
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"encoding/json"
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"fmt"
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"io/ioutil"
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"log"
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"math/big"
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"path"
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"runtime"
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"strconv"
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"strings"
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"time"
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"github.com/ethereum/go-ethereum/cmd/utils"
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types "github.com/ethereum/go-ethereum/core/types"
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"github.com/ethereum/go-ethereum/eth"
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"github.com/ethereum/go-ethereum/ethutil"
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"github.com/ethereum/go-ethereum/logger"
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"github.com/ethereum/go-ethereum/p2p"
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"github.com/ethereum/go-ethereum/p2p/nat"
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"github.com/ethereum/go-ethereum/rlp"
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)
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const (
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ClientIdentifier = "Ethereum(G)"
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Version = "0.8.6"
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)
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type Account struct {
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Balance string
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Code string
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Nonce string
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Storage map[string]string
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}
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type BlockHeader struct {
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Bloom string
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Coinbase string
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Difficulty string
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ExtraData string
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GasLimit string
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GasUsed string
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MixHash string
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Nonce string
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Number string
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ParentHash string
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ReceiptTrie string
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SeedHash string
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StateRoot string
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Timestamp string
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TransactionsTrie string
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UncleHash string
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}
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type Tx struct {
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Data string
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GasLimit string
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GasPrice string
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Nonce string
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R string
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S string
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To string
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V string
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Value string
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}
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type Block struct {
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BlockHeader BlockHeader
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Rlp string
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Transactions []Tx
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UncleHeaders []string
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}
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type Test struct {
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Blocks []Block
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GenesisBlockHeader BlockHeader
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Pre map[string]Account
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}
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var (
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Identifier string
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KeyRing string
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DiffTool bool
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DiffType string
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KeyStore string
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StartRpc bool
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StartWebSockets bool
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RpcListenAddress string
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RpcPort int
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WsPort int
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OutboundPort string
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ShowGenesis bool
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AddPeer string
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MaxPeer int
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GenAddr bool
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BootNodes string
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NodeKey *ecdsa.PrivateKey
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NAT nat.Interface
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SecretFile string
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ExportDir string
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NonInteractive bool
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Datadir string
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LogFile string
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ConfigFile string
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DebugFile string
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LogLevel int
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LogFormat string
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Dump bool
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DumpHash string
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DumpNumber int
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VmType int
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ImportChain string
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SHH bool
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Dial bool
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PrintVersion bool
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MinerThreads int
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)
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// flags specific to cli client
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var (
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StartMining bool
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StartJsConsole bool
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InputFile string
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)
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func main() {
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init_vars()
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Init()
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if len(TestFile) < 1 {
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log.Fatal("Please specify test file")
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}
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blocks, err := loadBlocksFromTestFile(TestFile)
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if err != nil {
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panic(err)
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}
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runtime.GOMAXPROCS(runtime.NumCPU())
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defer func() {
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logger.Flush()
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}()
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utils.HandleInterrupt()
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utils.InitConfig(VmType, ConfigFile, Datadir, "ethblocktest")
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ethereum, err := eth.New(ð.Config{
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Name: p2p.MakeName(ClientIdentifier, Version),
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KeyStore: KeyStore,
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DataDir: Datadir,
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LogFile: LogFile,
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LogLevel: LogLevel,
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LogFormat: LogFormat,
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MaxPeers: MaxPeer,
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Port: OutboundPort,
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NAT: NAT,
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KeyRing: KeyRing,
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Shh: true,
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Dial: Dial,
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BootNodes: BootNodes,
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NodeKey: NodeKey,
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MinerThreads: MinerThreads,
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})
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utils.StartRpc(ethereum, RpcListenAddress, RpcPort)
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utils.StartEthereum(ethereum)
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ethereum.ChainManager().ResetWithGenesisBlock(blocks[0])
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// fmt.Println("HURR: ", hex.EncodeToString(ethutil.Encode(blocks[0].RlpData())))
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go ethereum.ChainManager().InsertChain(types.Blocks{blocks[1]})
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fmt.Println("OK! ")
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ethereum.WaitForShutdown()
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}
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func loadBlocksFromTestFile(filePath string) (blocks types.Blocks, err error) {
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fileContent, err := ioutil.ReadFile(filePath)
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if err != nil {
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return
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}
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bt := *new(map[string]Test)
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err = json.Unmarshal(fileContent, &bt)
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if err != nil {
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return
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}
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// TODO: support multiple blocks; loop over all blocks
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gbh := new(types.Header)
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// Let's use slighlty different namings for the same things, because that's awesome.
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gbh.ParentHash, err = hex_decode(bt["SimpleTx"].GenesisBlockHeader.ParentHash)
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gbh.UncleHash, err = hex_decode(bt["SimpleTx"].GenesisBlockHeader.UncleHash)
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gbh.Coinbase, err = hex_decode(bt["SimpleTx"].GenesisBlockHeader.Coinbase)
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gbh.Root, err = hex_decode(bt["SimpleTx"].GenesisBlockHeader.StateRoot)
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gbh.TxHash, err = hex_decode(bt["SimpleTx"].GenesisBlockHeader.TransactionsTrie)
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gbh.ReceiptHash, err = hex_decode(bt["SimpleTx"].GenesisBlockHeader.ReceiptTrie)
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gbh.Bloom, err = hex_decode(bt["SimpleTx"].GenesisBlockHeader.Bloom)
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gbh.MixDigest, err = hex_decode(bt["SimpleTx"].GenesisBlockHeader.MixHash)
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gbh.SeedHash, err = hex_decode(bt["SimpleTx"].GenesisBlockHeader.SeedHash)
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d, _ := new(big.Int).SetString(bt["SimpleTx"].GenesisBlockHeader.Difficulty, 10)
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gbh.Difficulty = d
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n, _ := new(big.Int).SetString(bt["SimpleTx"].GenesisBlockHeader.Number, 10)
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gbh.Number = n
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gl, _ := new(big.Int).SetString(bt["SimpleTx"].GenesisBlockHeader.GasLimit, 10)
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gbh.GasLimit = gl
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gu, _ := new(big.Int).SetString(bt["SimpleTx"].GenesisBlockHeader.GasUsed, 10)
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gbh.GasUsed = gu
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ts, _ := new(big.Int).SetString(bt["SimpleTx"].GenesisBlockHeader.Timestamp, 0)
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gbh.Time = ts.Uint64()
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extra, err := hex_decode(bt["SimpleTx"].GenesisBlockHeader.ExtraData)
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gbh.Extra = string(extra) // TODO: change ExtraData to byte array
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nonce, _ := hex_decode(bt["SimpleTx"].GenesisBlockHeader.Nonce)
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gbh.Nonce = nonce
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if err != nil {
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return
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}
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gb := types.NewBlockWithHeader(gbh)
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gb.Reward = new(big.Int)
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testBlock := new(types.Block)
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rlpBytes, err := hex_decode(bt["SimpleTx"].Blocks[0].Rlp)
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err = rlp.Decode(bytes.NewReader(rlpBytes), &testBlock)
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if err != nil {
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return
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}
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blocks = types.Blocks{
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gb,
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testBlock,
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}
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return
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}
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func init_vars() {
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VmType = 0
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Identifier = ""
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KeyRing = ""
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KeyStore = "db"
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RpcListenAddress = "127.0.0.1"
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RpcPort = 8545
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WsPort = 40404
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StartRpc = true
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StartWebSockets = false
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NonInteractive = false
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GenAddr = false
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SecretFile = ""
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ExportDir = ""
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LogFile = ""
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timeStr := strconv.FormatInt(time.Now().UnixNano(), 10)
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Datadir = path.Join(ethutil.DefaultDataDir(), timeStr)
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ConfigFile = path.Join(ethutil.DefaultDataDir(), timeStr, "conf.ini")
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DebugFile = ""
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LogLevel = 5
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LogFormat = "std"
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DiffTool = false
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DiffType = "all"
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ShowGenesis = false
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ImportChain = ""
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Dump = false
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DumpHash = ""
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DumpNumber = -1
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StartMining = false
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StartJsConsole = false
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PrintVersion = false
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MinerThreads = runtime.NumCPU()
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Dial = false
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OutboundPort = "30303"
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BootNodes = ""
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MaxPeer = 1
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}
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func hex_decode(s string) (res []byte, err error) {
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return hex.DecodeString(strings.TrimPrefix(s, "0x"))
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}
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@ -231,6 +231,21 @@ func (bc *ChainManager) Reset() {
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bc.setTotalDifficulty(ethutil.Big("0"))
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}
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func (bc *ChainManager) ResetWithGenesisBlock(gb *types.Block) {
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bc.mu.Lock()
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defer bc.mu.Unlock()
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for block := bc.currentBlock; block != nil; block = bc.GetBlock(block.Header().ParentHash) {
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bc.db.Delete(block.Hash())
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}
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// Prepare the genesis block
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bc.genesisBlock = gb
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bc.write(bc.genesisBlock)
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bc.insert(bc.genesisBlock)
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bc.currentBlock = bc.genesisBlock
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}
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func (self *ChainManager) Export() []byte {
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self.mu.RLock()
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defer self.mu.RUnlock()
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@ -22,7 +22,7 @@ func (err *ParentErr) Error() string {
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}
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func ParentError(hash []byte) error {
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return &ParentErr{Message: fmt.Sprintf("Block's parent unkown %x", hash)}
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return &ParentErr{Message: fmt.Sprintf("Block's parent unknown %x", hash)}
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}
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func IsParentErr(err error) bool {
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