Example #1
0
func TestTransactionSigHash(t *testing.T) {
	if emptyTx.SigHash() != common.HexToHash("c775b99e7ad12f50d819fcd602390467e28141316969f4b57f0626f74fe3b386") {
		t.Errorf("empty transaction hash mismatch, got %x", emptyTx.Hash())
	}
	if rightvrsTx.SigHash() != common.HexToHash("fe7a79529ed5f7c3375d06b26b186a8644e0e16c373d7a12be41c62d6042b77a") {
		t.Errorf("RightVRS transaction hash mismatch, got %x", rightvrsTx.Hash())
	}
}
Example #2
0
func benchVmTest(test VmTest, env map[string]string, b *testing.B) {
	b.StopTimer()
	db, _ := ethdb.NewMemDatabase()
	statedb := state.New(common.Hash{}, db)
	for addr, account := range test.Pre {
		obj := StateObjectFromAccount(db, addr, account)
		statedb.SetStateObject(obj)
		for a, v := range account.Storage {
			obj.SetState(common.HexToHash(a), common.HexToHash(v))
		}
	}
	b.StartTimer()

	RunVm(statedb, env, test.Exec)
}
Example #3
0
// InsertPreState populates the given database with the genesis
// accounts defined by the test.
func (t *BlockTest) InsertPreState(ethereum *eth.Ethereum) (*state.StateDB, error) {
	db := ethereum.ChainDb()
	statedb := state.New(common.Hash{}, db)
	for addrString, acct := range t.preAccounts {
		addr, err := hex.DecodeString(addrString)
		if err != nil {
			return nil, err
		}
		code, err := hex.DecodeString(strings.TrimPrefix(acct.Code, "0x"))
		if err != nil {
			return nil, err
		}
		balance, ok := new(big.Int).SetString(acct.Balance, 0)
		if !ok {
			return nil, err
		}
		nonce, err := strconv.ParseUint(prepInt(16, acct.Nonce), 16, 64)
		if err != nil {
			return nil, err
		}

		if acct.PrivateKey != "" {
			privkey, err := hex.DecodeString(strings.TrimPrefix(acct.PrivateKey, "0x"))
			err = crypto.ImportBlockTestKey(privkey)
			err = ethereum.AccountManager().TimedUnlock(common.BytesToAddress(addr), "", 999999*time.Second)
			if err != nil {
				return nil, err
			}
		}

		obj := statedb.CreateAccount(common.HexToAddress(addrString))
		obj.SetCode(code)
		obj.SetBalance(balance)
		obj.SetNonce(nonce)
		for k, v := range acct.Storage {
			statedb.SetState(common.HexToAddress(addrString), common.HexToHash(k), common.HexToHash(v))
		}
	}
	// sync objects to trie
	statedb.SyncObjects()
	// sync trie to disk
	statedb.Sync()

	if !bytes.Equal(t.Genesis.Root().Bytes(), statedb.Root().Bytes()) {
		return nil, fmt.Errorf("computed state root does not match genesis block %x %x", t.Genesis.Root().Bytes()[:4], statedb.Root().Bytes()[:4])
	}
	return statedb, nil
}
Example #4
0
func checkLogs(tlog []Log, logs state.Logs) error {

	if len(tlog) != len(logs) {
		return fmt.Errorf("log length mismatch. Expected %d, got %d", len(tlog), len(logs))
	} else {
		for i, log := range tlog {
			if common.HexToAddress(log.AddressF) != logs[i].Address {
				return fmt.Errorf("log address expected %v got %x", log.AddressF, logs[i].Address)
			}

			if !bytes.Equal(logs[i].Data, common.FromHex(log.DataF)) {
				return fmt.Errorf("log data expected %v got %x", log.DataF, logs[i].Data)
			}

			if len(log.TopicsF) != len(logs[i].Topics) {
				return fmt.Errorf("log topics length expected %d got %d", len(log.TopicsF), logs[i].Topics)
			} else {
				for j, topic := range log.TopicsF {
					if common.HexToHash(topic) != logs[i].Topics[j] {
						return fmt.Errorf("log topic[%d] expected %v got %x", j, topic, logs[i].Topics[j])
					}
				}
			}
			genBloom := common.LeftPadBytes(types.LogsBloom(state.Logs{logs[i]}).Bytes(), 256)

			if !bytes.Equal(genBloom, common.Hex2Bytes(log.BloomF)) {
				return fmt.Errorf("bloom mismatch")
			}
		}
	}
	return nil
}
Example #5
0
func blockRecovery(ctx *cli.Context) {
	utils.CheckLegalese(ctx.GlobalString(utils.DataDirFlag.Name))

	arg := ctx.Args().First()
	if len(ctx.Args()) < 1 && len(arg) > 0 {
		glog.Fatal("recover requires block number or hash")
	}

	cfg := utils.MakeEthConfig(ClientIdentifier, nodeNameVersion, ctx)
	utils.CheckLegalese(cfg.DataDir)

	blockDb, err := ethdb.NewLDBDatabase(filepath.Join(cfg.DataDir, "blockchain"), cfg.DatabaseCache)
	if err != nil {
		glog.Fatalln("could not open db:", err)
	}

	var block *types.Block
	if arg[0] == '#' {
		block = core.GetBlockByNumber(blockDb, common.String2Big(arg[1:]).Uint64())
	} else {
		block = core.GetBlockByHash(blockDb, common.HexToHash(arg))
	}

	if block == nil {
		glog.Fatalln("block not found. Recovery failed")
	}

	err = core.WriteHead(blockDb, block)
	if err != nil {
		glog.Fatalln("block write err", err)
	}
	glog.Infof("Recovery succesful. New HEAD %x\n", block.Hash())
}
Example #6
0
func (self *ethApi) SubmitWork(req *shared.Request) (interface{}, error) {
	args := new(SubmitWorkArgs)
	if err := self.codec.Decode(req.Params, &args); err != nil {
		return nil, shared.NewDecodeParamError(err.Error())
	}
	return self.xeth.RemoteMining().SubmitWork(args.Nonce, common.HexToHash(args.Digest), common.HexToHash(args.Header)), nil
}
Example #7
0
func (self *Block) GetTransaction(hash string) *Transaction {
	tx := self.ref.Transaction(common.HexToHash(hash))
	if tx == nil {
		return nil
	}

	return NewTx(tx)
}
Example #8
0
func (self *ethApi) SubmitHashrate(req *shared.Request) (interface{}, error) {
	args := new(SubmitHashRateArgs)
	if err := self.codec.Decode(req.Params, &args); err != nil {
		return false, shared.NewDecodeParamError(err.Error())
	}
	self.xeth.RemoteMining().SubmitHashrate(common.HexToHash(args.Id), args.Rate)
	return true, nil
}
Example #9
0
func cTopics(t [][]string) [][]common.Hash {
	topics := make([][]common.Hash, len(t))
	for i, iv := range t {
		topics[i] = make([]common.Hash, len(iv))
		for j, jv := range iv {
			topics[i][j] = common.HexToHash(jv)
		}
	}
	return topics
}
Example #10
0
func (self *XEth) Sign(fromStr, hashStr string, didUnlock bool) (string, error) {
	var (
		from = common.HexToAddress(fromStr)
		hash = common.HexToHash(hashStr)
	)
	sig, err := self.doSign(from, hash, didUnlock)
	if err != nil {
		return "", err
	}
	return common.ToHex(sig), nil
}
Example #11
0
func (self *adminApi) RegisterUrl(req *shared.Request) (interface{}, error) {
	args := new(RegisterUrlArgs)
	if err := self.coder.Decode(req.Params, &args); err != nil {
		return nil, shared.NewDecodeParamError(err.Error())
	}

	sender := common.HexToAddress(args.Sender)
	registry := registrar.New(self.xeth)
	_, err := registry.SetUrlToHash(sender, common.HexToHash(args.ContentHash), args.Url)
	if err != nil {
		return false, err
	}

	return true, nil
}
Example #12
0
// from bcValidBlockTest.json, "SimpleTx"
func TestBlockEncoding(t *testing.T) {
	blockEnc := common.FromHex("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")
	var block Block
	if err := rlp.DecodeBytes(blockEnc, &block); err != nil {
		t.Fatal("decode error: ", err)
	}

	check := func(f string, got, want interface{}) {
		if !reflect.DeepEqual(got, want) {
			t.Errorf("%s mismatch: got %v, want %v", f, got, want)
		}
	}
	check("Difficulty", block.Difficulty(), big.NewInt(131072))
	check("GasLimit", block.GasLimit(), big.NewInt(3141592))
	check("GasUsed", block.GasUsed(), big.NewInt(21000))
	check("Coinbase", block.Coinbase(), common.HexToAddress("8888f1f195afa192cfee860698584c030f4c9db1"))
	check("MixDigest", block.MixDigest(), common.HexToHash("bd4472abb6659ebe3ee06ee4d7b72a00a9f4d001caca51342001075469aff498"))
	check("Root", block.Root(), common.HexToHash("ef1552a40b7165c3cd773806b9e0c165b75356e0314bf0706f279c729f51e017"))
	check("Hash", block.Hash(), common.HexToHash("0a5843ac1cb04865017cb35a57b50b07084e5fcee39b5acadade33149f4fff9e"))
	check("Nonce", block.Nonce(), uint64(0xa13a5a8c8f2bb1c4))
	check("Time", block.Time(), big.NewInt(1426516743))
	check("Size", block.Size(), common.StorageSize(len(blockEnc)))

	tx1 := NewTransaction(0, common.HexToAddress("095e7baea6a6c7c4c2dfeb977efac326af552d87"), big.NewInt(10), big.NewInt(50000), big.NewInt(10), nil)
	tx1, _ = tx1.WithSignature(common.Hex2Bytes("9bea4c4daac7c7c52e093e6a4c35dbbcf8856f1af7b059ba20253e70848d094f8a8fae537ce25ed8cb5af9adac3f141af69bd515bd2ba031522df09b97dd72b100"))
	check("len(Transactions)", len(block.Transactions()), 1)
	check("Transactions[0].Hash", block.Transactions()[0].Hash(), tx1.Hash())

	ourBlockEnc, err := rlp.EncodeToBytes(&block)
	if err != nil {
		t.Fatal("encode error: ", err)
	}
	if !bytes.Equal(ourBlockEnc, blockEnc) {
		t.Errorf("encoded block mismatch:\ngot:  %x\nwant: %x", ourBlockEnc, blockEnc)
	}
}
Example #13
0
func (self *ethApi) Resend(req *shared.Request) (interface{}, error) {
	args := new(ResendArgs)
	if err := self.codec.Decode(req.Params, &args); err != nil {
		return nil, shared.NewDecodeParamError(err.Error())
	}

	from := common.HexToAddress(args.Tx.From)

	pending := self.ethereum.TxPool().GetTransactions()
	for _, p := range pending {
		if pFrom, err := p.From(); err == nil && pFrom == from && p.SigHash() == args.Tx.tx.SigHash() {
			self.ethereum.TxPool().RemoveTx(common.HexToHash(args.Tx.Hash))
			return self.xeth.Transact(args.Tx.From, args.Tx.To, args.Tx.Nonce, args.Tx.Value, args.GasLimit, args.GasPrice, args.Tx.Data)
		}
	}

	return nil, fmt.Errorf("Transaction %s not found", args.Tx.Hash)
}
Example #14
0
func dump(ctx *cli.Context) {
	chain, chainDb := utils.MakeChain(ctx)
	for _, arg := range ctx.Args() {
		var block *types.Block
		if hashish(arg) {
			block = chain.GetBlock(common.HexToHash(arg))
		} else {
			num, _ := strconv.Atoi(arg)
			block = chain.GetBlockByNumber(uint64(num))
		}
		if block == nil {
			fmt.Println("{}")
			utils.Fatalf("block not found")
		} else {
			state := state.New(block.Root(), chainDb)
			fmt.Printf("%s\n", state.Dump())
		}
	}
	chainDb.Close()
}
Example #15
0
func (self *adminApi) Register(req *shared.Request) (interface{}, error) {
	args := new(RegisterArgs)
	if err := self.coder.Decode(req.Params, &args); err != nil {
		return nil, shared.NewDecodeParamError(err.Error())
	}

	sender := common.HexToAddress(args.Sender)
	// sender and contract address are passed as hex strings
	codeb := self.xeth.CodeAtBytes(args.Address)
	codeHash := common.BytesToHash(crypto.Sha3(codeb))
	contentHash := common.HexToHash(args.ContentHashHex)
	registry := registrar.New(self.xeth)

	_, err := registry.SetHashToHash(sender, codeHash, contentHash)
	if err != nil {
		return false, err
	}

	return true, nil
}
Example #16
0
func (h *Header) UnmarshalJSON(data []byte) error {
	var ext struct {
		ParentHash string
		Coinbase   string
		Difficulty string
		GasLimit   string
		Time       *big.Int
		Extra      string
	}
	dec := json.NewDecoder(bytes.NewReader(data))
	if err := dec.Decode(&ext); err != nil {
		return err
	}

	h.ParentHash = common.HexToHash(ext.ParentHash)
	h.Coinbase = common.HexToAddress(ext.Coinbase)
	h.Difficulty = common.String2Big(ext.Difficulty)
	h.Time = ext.Time
	h.Extra = []byte(ext.Extra)
	return nil
}
Example #17
0
func (self *XEth) EthTransactionByHash(hash string) (tx *types.Transaction, blhash common.Hash, blnum *big.Int, txi uint64) {
	// Due to increasing return params and need to determine if this is from transaction pool or
	// some chain, this probably needs to be refactored for more expressiveness
	data, _ := self.backend.ChainDb().Get(common.FromHex(hash))
	if len(data) != 0 {
		dtx := new(types.Transaction)
		if err := rlp.DecodeBytes(data, dtx); err != nil {
			glog.V(logger.Error).Infoln(err)
			return
		}
		tx = dtx
	} else { // check pending transactions
		tx = self.backend.TxPool().GetTransaction(common.HexToHash(hash))
	}

	// meta
	var txExtra struct {
		BlockHash  common.Hash
		BlockIndex uint64
		Index      uint64
	}

	v, dberr := self.backend.ChainDb().Get(append(common.FromHex(hash), 0x0001))
	// TODO check specifically for ErrNotFound
	if dberr != nil {
		return
	}
	r := bytes.NewReader(v)
	err := rlp.Decode(r, &txExtra)
	if err == nil {
		blhash = txExtra.BlockHash
		blnum = big.NewInt(int64(txExtra.BlockIndex))
		txi = txExtra.Index
	} else {
		glog.V(logger.Error).Infoln(err)
	}

	return
}
Example #18
0
const solcVersion = "0.9.23"

var (
	source = `
contract test {
   /// @notice Will multiply ` + "`a`" + ` by 7.
   function multiply(uint a) returns(uint d) {
       return a * 7;
   }
}
`
	code = "0x605880600c6000396000f3006000357c010000000000000000000000000000000000000000000000000000000090048063c6888fa114602e57005b603d6004803590602001506047565b8060005260206000f35b60006007820290506053565b91905056"
	info = `{"source":"\ncontract test {\n   /// @notice Will multiply ` + "`a`" + ` by 7.\n   function multiply(uint a) returns(uint d) {\n       return a * 7;\n   }\n}\n","language":"Solidity","languageVersion":"0","compilerVersion":"0.9.23","abiDefinition":[{"constant":false,"inputs":[{"name":"a","type":"uint256"}],"name":"multiply","outputs":[{"name":"d","type":"uint256"}],"type":"function"}],"userDoc":{"methods":{"multiply(uint256)":{"notice":"Will multiply ` + "`a`" + ` by 7."}}},"developerDoc":{"methods":{}}}`

	infohash = common.HexToHash("0xea782f674eb898e477c20e8a7cf11c2c28b09fa68b5278732104f7a101aed255")
)

func TestCompiler(t *testing.T) {
	sol, err := New("")
	if err != nil {
		t.Skip("solc not found: skip")
	} else if sol.Version() != solcVersion {
		t.Skip("WARNING: skipping due to a newer version of solc found (%v, expect %v)", sol.Version(), solcVersion)
	}
	contracts, err := sol.Compile(source)
	if err != nil {
		t.Errorf("error compiling source. result %v: %v", contracts, err)
		return
	}
Example #19
0
func (self *XEth) StorageAt(addr, storageAddr string) string {
	return self.State().state.GetState(common.HexToAddress(addr), common.HexToHash(storageAddr)).Hex()
}
Example #20
0
func (self *XEth) EthBlockByHash(strHash string) *types.Block {
	hash := common.HexToHash(strHash)
	block := self.backend.ChainManager().GetBlock(hash)

	return block
}
Example #21
0
func (self *XEth) BlockByHash(strHash string) *Block {
	hash := common.HexToHash(strHash)
	block := self.backend.ChainManager().GetBlock(hash)

	return NewBlock(block)
}
Example #22
0
func runStateTest(test VmTest) error {
	db, _ := ethdb.NewMemDatabase()
	statedb := state.New(common.Hash{}, db)
	for addr, account := range test.Pre {
		obj := StateObjectFromAccount(db, addr, account)
		statedb.SetStateObject(obj)
		for a, v := range account.Storage {
			obj.SetState(common.HexToHash(a), common.HexToHash(v))
		}
	}

	// XXX Yeah, yeah...
	env := make(map[string]string)
	env["currentCoinbase"] = test.Env.CurrentCoinbase
	env["currentDifficulty"] = test.Env.CurrentDifficulty
	env["currentGasLimit"] = test.Env.CurrentGasLimit
	env["currentNumber"] = test.Env.CurrentNumber
	env["previousHash"] = test.Env.PreviousHash
	if n, ok := test.Env.CurrentTimestamp.(float64); ok {
		env["currentTimestamp"] = strconv.Itoa(int(n))
	} else {
		env["currentTimestamp"] = test.Env.CurrentTimestamp.(string)
	}

	var (
		ret []byte
		// gas  *big.Int
		// err  error
		logs state.Logs
	)

	ret, logs, _, _ = RunState(statedb, env, test.Transaction)

	// // Compare expected  and actual return
	rexp := common.FromHex(test.Out)
	if bytes.Compare(rexp, ret) != 0 {
		return fmt.Errorf("return failed. Expected %x, got %x\n", rexp, ret)
	}

	// check post state
	for addr, account := range test.Post {
		obj := statedb.GetStateObject(common.HexToAddress(addr))
		if obj == nil {
			continue
		}

		if obj.Balance().Cmp(common.Big(account.Balance)) != 0 {
			return fmt.Errorf("(%x) balance failed. Expected %v, got %v => %v\n", obj.Address().Bytes()[:4], account.Balance, obj.Balance(), new(big.Int).Sub(common.Big(account.Balance), obj.Balance()))
		}

		if obj.Nonce() != common.String2Big(account.Nonce).Uint64() {
			return fmt.Errorf("(%x) nonce failed. Expected %v, got %v\n", obj.Address().Bytes()[:4], account.Nonce, obj.Nonce())
		}

		for addr, value := range account.Storage {
			v := obj.GetState(common.HexToHash(addr))
			vexp := common.HexToHash(value)

			if v != vexp {
				return fmt.Errorf("(%x: %s) storage failed. Expected %x, got %x (%v %v)\n", obj.Address().Bytes()[0:4], addr, vexp, v, vexp.Big(), v.Big())
			}
		}
	}

	statedb.Sync()
	if common.HexToHash(test.PostStateRoot) != statedb.Root() {
		return fmt.Errorf("Post state root error. Expected %s, got %x", test.PostStateRoot, statedb.Root())
	}

	// check logs
	if len(test.Logs) > 0 {
		if err := checkLogs(test.Logs, logs); err != nil {
			return err
		}
	}

	return nil
}
Example #23
0
func runVmTest(test VmTest) error {
	db, _ := ethdb.NewMemDatabase()
	statedb := state.New(common.Hash{}, db)
	for addr, account := range test.Pre {
		obj := StateObjectFromAccount(db, addr, account)
		statedb.SetStateObject(obj)
		for a, v := range account.Storage {
			obj.SetState(common.HexToHash(a), common.HexToHash(v))
		}
	}

	// XXX Yeah, yeah...
	env := make(map[string]string)
	env["currentCoinbase"] = test.Env.CurrentCoinbase
	env["currentDifficulty"] = test.Env.CurrentDifficulty
	env["currentGasLimit"] = test.Env.CurrentGasLimit
	env["currentNumber"] = test.Env.CurrentNumber
	env["previousHash"] = test.Env.PreviousHash
	if n, ok := test.Env.CurrentTimestamp.(float64); ok {
		env["currentTimestamp"] = strconv.Itoa(int(n))
	} else {
		env["currentTimestamp"] = test.Env.CurrentTimestamp.(string)
	}

	var (
		ret  []byte
		gas  *big.Int
		err  error
		logs state.Logs
	)

	ret, logs, gas, err = RunVm(statedb, env, test.Exec)

	// Compare expected and actual return
	rexp := common.FromHex(test.Out)
	if bytes.Compare(rexp, ret) != 0 {
		return fmt.Errorf("return failed. Expected %x, got %x\n", rexp, ret)
	}

	// Check gas usage
	if len(test.Gas) == 0 && err == nil {
		return fmt.Errorf("gas unspecified, indicating an error. VM returned (incorrectly) successfull")
	} else {
		gexp := common.Big(test.Gas)
		if gexp.Cmp(gas) != 0 {
			return fmt.Errorf("gas failed. Expected %v, got %v\n", gexp, gas)
		}
	}

	// check post state
	for addr, account := range test.Post {
		obj := statedb.GetStateObject(common.HexToAddress(addr))
		if obj == nil {
			continue
		}

		for addr, value := range account.Storage {
			v := obj.GetState(common.HexToHash(addr))
			vexp := common.HexToHash(value)

			if v != vexp {
				return fmt.Errorf("(%x: %s) storage failed. Expected %x, got %x (%v %v)\n", obj.Address().Bytes()[0:4], addr, vexp, v, vexp.Big(), v.Big())
			}
		}
	}

	// check logs
	if len(test.Logs) > 0 {
		lerr := checkLogs(test.Logs, logs)
		if lerr != nil {
			return lerr
		}
	}

	return nil
}
Example #24
0
	nonce       uint64
	mixDigest   common.Hash
	number      uint64
}

func (b *testBlock) Difficulty() *big.Int     { return b.difficulty }
func (b *testBlock) HashNoNonce() common.Hash { return b.hashNoNonce }
func (b *testBlock) Nonce() uint64            { return b.nonce }
func (b *testBlock) MixDigest() common.Hash   { return b.mixDigest }
func (b *testBlock) NumberU64() uint64        { return b.number }

var validBlocks = []*testBlock{
	// from proof of concept nine testnet, epoch 0
	{
		number:      22,
		hashNoNonce: common.HexToHash("372eca2454ead349c3df0ab5d00b0b706b23e49d469387db91811cee0358fc6d"),
		difficulty:  big.NewInt(132416),
		nonce:       0x495732e0ed7a801c,
		mixDigest:   common.HexToHash("2f74cdeb198af0b9abe65d22d372e22fb2d474371774a9583c1cc427a07939f5"),
	},
	// from proof of concept nine testnet, epoch 1
	{
		number:      30001,
		hashNoNonce: common.HexToHash("7e44356ee3441623bc72a683fd3708fdf75e971bbe294f33e539eedad4b92b34"),
		difficulty:  big.NewInt(1532671),
		nonce:       0x318df1c8adef7e5e,
		mixDigest:   common.HexToHash("144b180aad09ae3c81fb07be92c8e6351b5646dda80e6844ae1b697e55ddde84"),
	},
	// from proof of concept nine testnet, epoch 2
	{
		number:      60000,
Example #25
0
// WriteGenesisBlock writes the genesis block to the database as block number 0
func WriteGenesisBlock(chainDb common.Database, reader io.Reader) (*types.Block, error) {
	contents, err := ioutil.ReadAll(reader)
	if err != nil {
		return nil, err
	}

	var genesis struct {
		Nonce      string
		Timestamp  string
		ParentHash string
		ExtraData  string
		GasLimit   string
		Difficulty string
		Mixhash    string
		Coinbase   string
		Alloc      map[string]struct {
			Code    string
			Storage map[string]string
			Balance string
		}
	}

	if err := json.Unmarshal(contents, &genesis); err != nil {
		return nil, err
	}

	statedb := state.New(common.Hash{}, chainDb)
	for addr, account := range genesis.Alloc {
		address := common.HexToAddress(addr)
		statedb.AddBalance(address, common.String2Big(account.Balance))
		statedb.SetCode(address, common.Hex2Bytes(account.Code))
		for key, value := range account.Storage {
			statedb.SetState(address, common.HexToHash(key), common.HexToHash(value))
		}
	}
	statedb.SyncObjects()

	difficulty := common.String2Big(genesis.Difficulty)
	block := types.NewBlock(&types.Header{
		Nonce:      types.EncodeNonce(common.String2Big(genesis.Nonce).Uint64()),
		Time:       common.String2Big(genesis.Timestamp),
		ParentHash: common.HexToHash(genesis.ParentHash),
		Extra:      common.FromHex(genesis.ExtraData),
		GasLimit:   common.String2Big(genesis.GasLimit),
		Difficulty: difficulty,
		MixDigest:  common.HexToHash(genesis.Mixhash),
		Coinbase:   common.HexToAddress(genesis.Coinbase),
		Root:       statedb.Root(),
	}, nil, nil, nil)
	block.Td = difficulty

	if block := GetBlockByHash(chainDb, block.Hash()); block != nil {
		glog.V(logger.Info).Infoln("Genesis block already in chain. Writing canonical number")
		err := WriteCanonNumber(chainDb, block)
		if err != nil {
			return nil, err
		}
		return block, nil
	}

	statedb.Sync()

	err = WriteBlock(chainDb, block)
	if err != nil {
		return nil, err
	}
	err = WriteHead(chainDb, block)
	if err != nil {
		return nil, err
	}

	return block, nil
}
Example #26
0
// 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 core

import "github.com/shiftcurrency/shift/common"

// Set of manually tracked bad hashes (usually hard forks)
var BadHashes = map[common.Hash]bool{
	common.HexToHash("05bef30ef572270f654746da22639a7a0c97dd97a7050b9e252391996aaeb689"): true,
}