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/*
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"
"encoding/hex"
"encoding/json"
"flag"
"fmt"
"io/ioutil"
"log"
"math/big"
"os"
"runtime"
"strings"
"github.com/ethereum/go-ethereum/cmd/utils"
"github.com/ethereum/go-ethereum/core"
types "github.com/ethereum/go-ethereum/core/types"
"github.com/ethereum/go-ethereum/ethdb"
"github.com/ethereum/go-ethereum/event"
"github.com/ethereum/go-ethereum/logger"
"github.com/ethereum/go-ethereum/rlp"
)
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
}
func main() {
flag.Usage = func() {
fmt.Fprintf(os.Stderr, "%s <testfile>\n", os.Args[0])
flag.PrintDefaults()
}
flag.Parse()
runtime.GOMAXPROCS(runtime.NumCPU())
logger.AddLogSystem(logger.NewStdLogSystem(os.Stderr, log.LstdFlags, logger.DebugDetailLevel))
defer func() { logger.Flush() }()
if len(os.Args) < 2 {
utils.Fatalf("Please specify a test file as the first argument.")
}
blocks, err := loadBlocksFromTestFile(os.Args[1])
if err != nil {
utils.Fatalf("Could not load blocks: %v", err)
}
chain := memchain()
chain.ResetWithGenesisBlock(blocks[0])
if err = chain.InsertChain(types.Blocks{blocks[1]}); err != nil {
utils.Fatalf("Error: %v", err)
} else {
fmt.Println("PASS")
}
}
func memchain() *core.ChainManager {
db, err := ethdb.NewMemDatabase()
if err != nil {
utils.Fatalf("Could not create in-memory database: %v", err)
}
return core.NewChainManager(db, new(event.TypeMux))
}
func loadBlocksFromTestFile(filePath string) (blocks types.Blocks, err error) {
fileContent, err := ioutil.ReadFile(filePath)
if err != nil {
return
}
bt := make(map[string]Test)
if err = json.Unmarshal(fileContent, &bt); 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 hex_decode(s string) (res []byte, err error) {
return hex.DecodeString(strings.TrimPrefix(s, "0x"))
}
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