コード例 #1
0
func TestBox(t *testing.T) {
	prv1 := ToECDSA(common.Hex2Bytes("4b50fa71f5c3eeb8fdc452224b2395af2fcc3d125e06c32c82e048c0559db03f"))
	prv2 := ToECDSA(common.Hex2Bytes("d0b043b4c5d657670778242d82d68a29d25d7d711127d17b8e299f156dad361a"))
	pub2 := ToECDSAPub(common.Hex2Bytes("04bd27a63c91fe3233c5777e6d3d7b39204d398c8f92655947eb5a373d46e1688f022a1632d264725cbc7dc43ee1cfebde42fa0a86d08b55d2acfbb5e9b3b48dc5"))

	message := []byte("Hello, world.")
	ct, err := Encrypt(pub2, message)
	if err != nil {
		fmt.Println(err.Error())
		t.FailNow()
	}

	pt, err := Decrypt(prv2, ct)
	if err != nil {
		fmt.Println(err.Error())
		t.FailNow()
	}

	if !bytes.Equal(pt, message) {
		fmt.Println("ecies: plaintext doesn't match message")
		t.FailNow()
	}

	_, err = Decrypt(prv1, pt)
	if err == nil {
		fmt.Println("ecies: encryption should not have succeeded")
		t.FailNow()
	}

}
コード例 #2
0
ファイル: abi_test.go プロジェクト: Raskal8/go-ethereum
func TestMultiReturnWithSlice(t *testing.T) {
	const definition = `[
	{ "name" : "multi", "constant" : false, "outputs": [ { "name": "Int", "type": "uint256" }, { "name": "String", "type": "string" } ] }]`

	abi, err := JSON(strings.NewReader(definition))
	if err != nil {
		t.Fatal(err)
	}

	// using buff to make the code readable
	buff := new(bytes.Buffer)
	buff.Write(common.Hex2Bytes("0000000000000000000000000000000000000000000000000000000000000001"))
	buff.Write(common.Hex2Bytes("0000000000000000000000000000000000000000000000000000000000000040"))
	buff.Write(common.Hex2Bytes("0000000000000000000000000000000000000000000000000000000000000005"))
	stringOut := "hello"
	buff.Write(common.RightPadBytes([]byte(stringOut), 32))

	var inter []interface{}
	err = abi.Unpack(&inter, "multi", buff.Bytes())
	if err != nil {
		t.Error(err)
	}

	if len(inter) != 2 {
		t.Fatal("expected 2 results got", len(inter))
	}

	if num, ok := inter[0].(*big.Int); !ok || num.Cmp(big.NewInt(1)) != 0 {
		t.Error("expected index 0 to be 1 got", num)
	}

	if str, ok := inter[1].(string); !ok || str != stringOut {
		t.Error("expected index 1 to be", stringOut, "got", str)
	}
}
コード例 #3
0
ファイル: abi_test.go プロジェクト: Raskal8/go-ethereum
func TestMultiReturnWithStruct(t *testing.T) {
	const definition = `[
	{ "name" : "multi", "constant" : false, "outputs": [ { "name": "Int", "type": "uint256" }, { "name": "String", "type": "string" } ] }]`

	abi, err := JSON(strings.NewReader(definition))
	if err != nil {
		t.Fatal(err)
	}

	// using buff to make the code readable
	buff := new(bytes.Buffer)
	buff.Write(common.Hex2Bytes("0000000000000000000000000000000000000000000000000000000000000001"))
	buff.Write(common.Hex2Bytes("0000000000000000000000000000000000000000000000000000000000000040"))
	buff.Write(common.Hex2Bytes("0000000000000000000000000000000000000000000000000000000000000005"))
	stringOut := "hello"
	buff.Write(common.RightPadBytes([]byte(stringOut), 32))

	var inter struct {
		Int    *big.Int
		String string
	}
	err = abi.Unpack(&inter, "multi", buff.Bytes())
	if err != nil {
		t.Error(err)
	}

	if inter.Int == nil || inter.Int.Cmp(big.NewInt(1)) != 0 {
		t.Error("expected Int to be 1 got", inter.Int)
	}

	if inter.String != stringOut {
		t.Error("expected String to be", stringOut, "got", inter.String)
	}

	var reversed struct {
		String string
		Int    *big.Int
	}

	err = abi.Unpack(&reversed, "multi", buff.Bytes())
	if err != nil {
		t.Error(err)
	}

	if reversed.Int == nil || reversed.Int.Cmp(big.NewInt(1)) != 0 {
		t.Error("expected Int to be 1 got", reversed.Int)
	}

	if reversed.String != stringOut {
		t.Error("expected String to be", stringOut, "got", reversed.String)
	}
}
コード例 #4
0
ファイル: main.go プロジェクト: j4ustin/go-ethereum
func run(ctx *cli.Context) {
	vm.Debug = ctx.GlobalBool(DebugFlag.Name)
	vm.ForceJit = ctx.GlobalBool(ForceJitFlag.Name)
	vm.EnableJit = !ctx.GlobalBool(DisableJitFlag.Name)

	glog.SetToStderr(true)
	glog.SetV(ctx.GlobalInt(VerbosityFlag.Name))

	db, _ := ethdb.NewMemDatabase()
	statedb, _ := state.New(common.Hash{}, db)
	sender := statedb.CreateAccount(common.StringToAddress("sender"))
	receiver := statedb.CreateAccount(common.StringToAddress("receiver"))
	receiver.SetCode(common.Hex2Bytes(ctx.GlobalString(CodeFlag.Name)))

	vmenv := NewEnv(statedb, common.StringToAddress("evmuser"), common.Big(ctx.GlobalString(ValueFlag.Name)))

	tstart := time.Now()
	ret, e := vmenv.Call(
		sender,
		receiver.Address(),
		common.Hex2Bytes(ctx.GlobalString(InputFlag.Name)),
		common.Big(ctx.GlobalString(GasFlag.Name)),
		common.Big(ctx.GlobalString(PriceFlag.Name)),
		common.Big(ctx.GlobalString(ValueFlag.Name)),
	)
	vmdone := time.Since(tstart)

	if ctx.GlobalBool(DumpFlag.Name) {
		fmt.Println(string(statedb.Dump()))
	}
	vm.StdErrFormat(vmenv.StructLogs())

	if ctx.GlobalBool(SysStatFlag.Name) {
		var mem runtime.MemStats
		runtime.ReadMemStats(&mem)
		fmt.Printf("vm took %v\n", vmdone)
		fmt.Printf(`alloc:      %d
tot alloc:  %d
no. malloc: %d
heap alloc: %d
heap objs:  %d
num gc:     %d
`, mem.Alloc, mem.TotalAlloc, mem.Mallocs, mem.HeapAlloc, mem.HeapObjects, mem.NumGC)
	}

	fmt.Printf("OUT: 0x%x", ret)
	if e != nil {
		fmt.Printf(" error: %v", e)
	}
	fmt.Println()
}
コード例 #5
0
ファイル: genesis.go プロジェクト: haegyung/go-ethereum
// GenesisBlock creates a genesis block with the given nonce.
func GenesisBlock(nonce uint64, db common.Database) *types.Block {
	var accounts map[string]struct {
		Balance string
		Code    string
	}
	err := json.Unmarshal(GenesisAccounts, &accounts)
	if err != nil {
		fmt.Println("unable to decode genesis json data:", err)
		os.Exit(1)
	}
	statedb := state.New(common.Hash{}, db)
	for addr, account := range accounts {
		codedAddr := common.Hex2Bytes(addr)
		accountState := statedb.CreateAccount(common.BytesToAddress(codedAddr))
		accountState.SetBalance(common.Big(account.Balance))
		accountState.SetCode(common.FromHex(account.Code))
		statedb.UpdateStateObject(accountState)
	}
	statedb.Sync()

	block := types.NewBlock(&types.Header{
		Difficulty: params.GenesisDifficulty,
		GasLimit:   params.GenesisGasLimit,
		Nonce:      types.EncodeNonce(nonce),
		Root:       statedb.Root(),
	}, nil, nil, nil)
	block.Td = params.GenesisDifficulty
	return block
}
コード例 #6
0
ファイル: ui_lib.go プロジェクト: CedarLogic/go-ethereum
func (self *UiLib) ImportTx(rlpTx string) {
	tx := types.NewTransactionFromBytes(common.Hex2Bytes(rlpTx))
	err := self.eth.TxPool().Add(tx)
	if err != nil {
		guilogger.Infoln("import tx failed ", err)
	}
}
コード例 #7
0
ファイル: ui_lib.go プロジェクト: CedarLogic/go-ethereum
func (self *UiLib) ToAscii(data string) string {
	start := 0
	if len(data) > 1 && data[0:2] == "0x" {
		start = 2
	}
	return string(common.Hex2Bytes(data[start:]))
}
コード例 #8
0
ファイル: crypto_test.go プロジェクト: j4ustin/go-ethereum
func Test0Key(t *testing.T) {
	key := common.Hex2Bytes("0000000000000000000000000000000000000000000000000000000000000000")
	_, err := secp256k1.GeneratePubKey(key)
	if err == nil {
		t.Errorf("expected error due to zero privkey")
	}
}
コード例 #9
0
func RunState(statedb *state.StateDB, env, tx map[string]string) ([]byte, state.Logs, *big.Int, error) {
	var (
		keyPair, _ = crypto.NewKeyPairFromSec([]byte(common.Hex2Bytes(tx["secretKey"])))
		data       = common.FromHex(tx["data"])
		gas        = common.Big(tx["gasLimit"])
		price      = common.Big(tx["gasPrice"])
		value      = common.Big(tx["value"])
		nonce      = common.Big(tx["nonce"]).Uint64()
		caddr      = common.HexToAddress(env["currentCoinbase"])
	)

	var to *common.Address
	if len(tx["to"]) > 2 {
		t := common.HexToAddress(tx["to"])
		to = &t
	}
	// Set pre compiled contracts
	vm.Precompiled = vm.PrecompiledContracts()

	snapshot := statedb.Copy()
	coinbase := statedb.GetOrNewStateObject(caddr)
	coinbase.SetGasLimit(common.Big(env["currentGasLimit"]))

	message := NewMessage(common.BytesToAddress(keyPair.Address()), to, data, value, gas, price, nonce)
	vmenv := NewEnvFromMap(statedb, env, tx)
	vmenv.origin = common.BytesToAddress(keyPair.Address())
	ret, _, err := core.ApplyMessage(vmenv, message, coinbase)
	if core.IsNonceErr(err) || core.IsInvalidTxErr(err) || state.IsGasLimitErr(err) {
		statedb.Set(snapshot)
	}
	statedb.Update()

	return ret, vmenv.state.Logs(), vmenv.Gas, err
}
コード例 #10
0
ファイル: types.go プロジェクト: CedarLogic/go-ethereum
func (self *Object) StorageString(str string) *common.Value {
	if common.IsHex(str) {
		return self.storage(common.Hex2Bytes(str[2:]))
	} else {
		return self.storage(common.RightPadBytes([]byte(str), 32))
	}
}
コード例 #11
0
ファイル: common.go プロジェクト: CedarLogic/go-ethereum
func FromHex(h string) []byte {
	if common.IsHex(h) {
		h = h[2:]
	}

	return common.Hex2Bytes(h)
}
コード例 #12
0
ファイル: trie_test.go プロジェクト: ruflin/go-ethereum
func TestDelete(t *testing.T) {
	trie := NewEmpty()

	vals := []struct{ k, v string }{
		{"do", "verb"},
		{"ether", "wookiedoo"},
		{"horse", "stallion"},
		{"shaman", "horse"},
		{"doge", "coin"},
		{"ether", ""},
		{"dog", "puppy"},
		{"shaman", ""},
	}
	for _, val := range vals {
		if val.v != "" {
			trie.UpdateString(val.k, val.v)
		} else {
			trie.DeleteString(val.k)
		}
	}

	hash := trie.Hash()
	exp := common.Hex2Bytes("5991bb8c6514148a29db676a14ac506cd2cd5775ace63c30a4fe457715e9ac84")
	if !bytes.Equal(hash, exp) {
		t.Errorf("expected %x got %x", exp, hash)
	}
}
コード例 #13
0
ファイル: trie_test.go プロジェクト: ruflin/go-ethereum
func TestSecureDelete(t *testing.T) {
	trie := NewEmptySecure()

	vals := []struct{ k, v string }{
		{"do", "verb"},
		{"ether", "wookiedoo"},
		{"horse", "stallion"},
		{"shaman", "horse"},
		{"doge", "coin"},
		{"ether", ""},
		{"dog", "puppy"},
		{"shaman", ""},
	}
	for _, val := range vals {
		if val.v != "" {
			trie.UpdateString(val.k, val.v)
		} else {
			trie.DeleteString(val.k)
		}
	}

	hash := trie.Hash()
	exp := common.Hex2Bytes("29b235a58c3c25ab83010c327d5932bcf05324b7d6b1185e650798034783ca9d")
	if !bytes.Equal(hash, exp) {
		t.Errorf("expected %x got %x", exp, hash)
	}
}
コード例 #14
0
ファイル: registrar.go プロジェクト: j4ustin/go-ethereum
// HashToUrl(contenthash) resolves the url for contenthash using UrlHint
// resolution is costless non-transactional
// implemented as direct retrieval from  db
// if we use content addressed storage, this step is no longer necessary
func (self *Registrar) HashToUrl(chash common.Hash) (uri string, err error) {
	if zero.MatchString(UrlHintAddr) {
		return "", fmt.Errorf("UrlHint address is not set")
	}
	// look up in URL reg
	var str string = " "
	var idx uint32
	for len(str) > 0 {
		mapaddr := storageMapping(storageIdx2Addr(1), chash[:])
		key := storageAddress(storageFixedArray(mapaddr, storageIdx2Addr(idx)))
		hex := self.backend.StorageAt(UrlHintAddr[2:], key)
		str = string(common.Hex2Bytes(hex[2:]))
		l := 0
		for (l < len(str)) && (str[l] == 0) {
			l++
		}

		str = str[l:]
		uri = uri + str
		idx++
	}

	if len(uri) == 0 {
		err = fmt.Errorf("HashToUrl: URL hint not found for '%v'", chash.Hex())
	}
	return
}
コード例 #15
0
ファイル: gh_test.go プロジェクト: CedarLogic/go-ethereum
func (self Log) Topics() [][]byte {
	t := make([][]byte, len(self.TopicsF))
	for i, topic := range self.TopicsF {
		t[i] = common.Hex2Bytes(topic)
	}
	return t
}
コード例 #16
0
ファイル: util.go プロジェクト: ssonneborn22/go-ethereum
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
}
コード例 #17
0
ファイル: runtime_test.go プロジェクト: Raskal8/go-ethereum
func BenchmarkCall(b *testing.B) {
	var definition = `[{"constant":true,"inputs":[],"name":"seller","outputs":[{"name":"","type":"address"}],"type":"function"},{"constant":false,"inputs":[],"name":"abort","outputs":[],"type":"function"},{"constant":true,"inputs":[],"name":"value","outputs":[{"name":"","type":"uint256"}],"type":"function"},{"constant":false,"inputs":[],"name":"refund","outputs":[],"type":"function"},{"constant":true,"inputs":[],"name":"buyer","outputs":[{"name":"","type":"address"}],"type":"function"},{"constant":false,"inputs":[],"name":"confirmReceived","outputs":[],"type":"function"},{"constant":true,"inputs":[],"name":"state","outputs":[{"name":"","type":"uint8"}],"type":"function"},{"constant":false,"inputs":[],"name":"confirmPurchase","outputs":[],"type":"function"},{"inputs":[],"type":"constructor"},{"anonymous":false,"inputs":[],"name":"Aborted","type":"event"},{"anonymous":false,"inputs":[],"name":"PurchaseConfirmed","type":"event"},{"anonymous":false,"inputs":[],"name":"ItemReceived","type":"event"},{"anonymous":false,"inputs":[],"name":"Refunded","type":"event"}]`

	var code = common.Hex2Bytes("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")

	abi, err := abi.JSON(strings.NewReader(definition))
	if err != nil {
		b.Fatal(err)
	}

	cpurchase, err := abi.Pack("confirmPurchase")
	if err != nil {
		b.Fatal(err)
	}
	creceived, err := abi.Pack("confirmReceived")
	if err != nil {
		b.Fatal(err)
	}
	refund, err := abi.Pack("refund")
	if err != nil {
		b.Fatal(err)
	}

	b.ResetTimer()
	for i := 0; i < b.N; i++ {
		for j := 0; j < 400; j++ {
			Execute(code, cpurchase, nil)
			Execute(code, creceived, nil)
			Execute(code, refund, nil)
		}
	}
}
コード例 #18
0
ファイル: crypto_test.go プロジェクト: CedarLogic/go-ethereum
func Test0Key(t *testing.T) {
	t.Skip()
	key := common.Hex2Bytes("1111111111111111111111111111111111111111111111111111111111111111")

	p, err := secp256k1.GeneratePubKey(key)
	addr := Sha3(p[1:])[12:]
	fmt.Printf("%x\n", p)
	fmt.Printf("%v %x\n", err, addr)
}
コード例 #19
0
ファイル: natspec.go プロジェクト: CedarLogic/go-ethereum
func New(xeth *xeth.XEth, tx string, http *docserver.DocServer) (self *NatSpec, err error) {

	// extract contract address from tx

	var obj map[string]json.RawMessage
	err = json.Unmarshal([]byte(tx), &obj)
	if err != nil {
		return
	}
	var tmp []map[string]string
	err = json.Unmarshal(obj["params"], &tmp)
	if err != nil {
		return
	}
	contractAddress := tmp[0]["to"]

	// retrieve contract hash from state
	if !xeth.IsContract(contractAddress) {
		err = fmt.Errorf("NatSpec error: contract not found")
		return
	}
	codehex := xeth.CodeAt(contractAddress)
	codeHash := common.BytesToHash(crypto.Sha3(common.Hex2Bytes(codehex[2:])))
	// parse out host/domain

	// set up nameresolver with natspecreg + urlhint contract addresses
	res := resolver.New(
		xeth,
		resolver.URLHintContractAddress,
		resolver.HashRegContractAddress,
	)

	// resolve host via HashReg/UrlHint Resolver
	uri, hash, err := res.KeyToUrl(codeHash)
	if err != nil {
		return
	}

	// get content via http client and authenticate content using hash
	content, err := http.GetAuthContent(uri, hash)
	if err != nil {
		return
	}

	// get abi, userdoc
	var obj2 map[string]json.RawMessage
	err = json.Unmarshal(content, &obj2)
	if err != nil {
		return
	}

	abi := []byte(obj2["abi"])
	userdoc := []byte(obj2["userdoc"])

	self, err = NewWithDocs(abi, userdoc, tx)
	return
}
コード例 #20
0
func ExampleExecute() {
	ret, _, err := runtime.Execute(common.Hex2Bytes("6060604052600a8060106000396000f360606040526008565b00"), nil, nil)
	if err != nil {
		fmt.Println(err)
	}
	fmt.Println(ret)
	// Output:
	// [96 96 96 64 82 96 8 86 91 0]
}
コード例 #21
0
func TestNatspecE2E(t *testing.T) {
	t.Skip()

	tf := testInit(t)
	defer tf.ethereum.Stop()

	resolver.CreateContracts(tf.xeth, testAccount)
	t.Logf("URLHint contract registered at %v", resolver.URLHintContractAddress)
	t.Logf("HashReg contract registered at %v", resolver.HashRegContractAddress)
	tf.applyTxs()

	ioutil.WriteFile("/tmp/"+testFileName, []byte(testDocs), os.ModePerm)
	dochash := common.BytesToHash(crypto.Sha3([]byte(testDocs)))

	codehex := tf.xeth.CodeAt(resolver.HashRegContractAddress)
	codehash := common.BytesToHash(crypto.Sha3(common.Hex2Bytes(codehex[2:])))

	tf.setOwner()
	tf.registerNatSpec(codehash, dochash)
	tf.registerURL(dochash, "file:///"+testFileName)
	tf.applyTxs()

	chash, err := tf.testResolver().KeyToContentHash(codehash)
	if err != nil {
		t.Errorf("Can't find content hash")
	}
	t.Logf("chash = %x  err = %v", chash, err)
	url, err2 := tf.testResolver().ContentHashToUrl(dochash)
	if err2 != nil {
		t.Errorf("Can't find URL hint")
	}
	t.Logf("url = %v  err = %v", url, err2)

	// NatSpec info for register method of HashReg contract installed
	// now using the same transactions to check confirm messages

	tf.makeNatSpec = true
	tf.registerNatSpec(codehash, dochash)
	t.Logf("Confirm message: %v\n", tf.lastConfirm)
	if tf.lastConfirm != testExpNotice {
		t.Errorf("Wrong confirm message, expected '%v', got '%v'", testExpNotice, tf.lastConfirm)
	}

	tf.setOwner()
	t.Logf("Confirm message for unknown method: %v\n", tf.lastConfirm)
	if tf.lastConfirm != testExpNotice2 {
		t.Errorf("Wrong confirm message, expected '%v', got '%v'", testExpNotice2, tf.lastConfirm)
	}

	tf.registerURL(dochash, "file:///test.content")
	t.Logf("Confirm message for unknown contract: %v\n", tf.lastConfirm)
	if tf.lastConfirm != testExpNotice3 {
		t.Errorf("Wrong confirm message, expected '%v', got '%v'", testExpNotice3, tf.lastConfirm)
	}

}
コード例 #22
0
ファイル: main.go プロジェクト: ruflin/go-ethereum
func main() {
	flag.Parse()

	logger.AddLogSystem(logger.NewStdLogSystem(os.Stdout, log.LstdFlags, logger.LogLevel(*loglevel)))

	vm.Debug = true
	db, _ := ethdb.NewMemDatabase()
	statedb := state.New(common.Hash{}, db)
	sender := statedb.CreateAccount(common.StringToAddress("sender"))
	receiver := statedb.CreateAccount(common.StringToAddress("receiver"))
	receiver.SetCode(common.Hex2Bytes(*code))

	vmenv := NewEnv(statedb, common.StringToAddress("evmuser"), common.Big(*value))

	tstart := time.Now()

	ret, e := vmenv.Call(sender, receiver.Address(), common.Hex2Bytes(*data), common.Big(*gas), common.Big(*price), common.Big(*value))

	logger.Flush()
	if e != nil {
		perr(e)
	}

	if *dump {
		fmt.Println(string(statedb.Dump()))
	}

	vm.StdErrFormat(vmenv.StructLogs())

	var mem runtime.MemStats
	runtime.ReadMemStats(&mem)
	fmt.Printf("vm took %v\n", time.Since(tstart))
	fmt.Printf(`alloc:      %d
tot alloc:  %d
no. malloc: %d
heap alloc: %d
heap objs:  %d
num gc:     %d
`, mem.Alloc, mem.TotalAlloc, mem.Mallocs, mem.HeapAlloc, mem.HeapObjects, mem.NumGC)

	fmt.Printf("%x\n", ret)
}
コード例 #23
0
ファイル: gh_test.go プロジェクト: CedarLogic/go-ethereum
func StateObjectFromAccount(db common.Database, addr string, account Account) *state.StateObject {
	obj := state.NewStateObject(common.HexToAddress(addr), db)
	obj.SetBalance(common.Big(account.Balance))

	if common.IsHex(account.Code) {
		account.Code = account.Code[2:]
	}
	obj.SetCode(common.Hex2Bytes(account.Code))
	obj.SetNonce(common.Big(account.Nonce).Uint64())

	return obj
}
コード例 #24
0
ファイル: uint_test.go プロジェクト: Codzart/go-ethereum
func TestSet(t *testing.T) {
	a := Uint(0)
	b := Uint(10)
	a.Set(b)
	if a.num.Cmp(b.num) != 0 {
		t.Error("didn't compare", a, b)
	}

	c := Uint(0).SetBytes(common.Hex2Bytes("0a"))
	if c.num.Cmp(big.NewInt(10)) != 0 {
		t.Error("c set bytes failed.")
	}
}
コード例 #25
0
ファイル: trie_test.go プロジェクト: ruflin/go-ethereum
func TestInsert(t *testing.T) {
	trie := NewEmpty()

	trie.UpdateString("doe", "reindeer")
	trie.UpdateString("dog", "puppy")
	trie.UpdateString("dogglesworth", "cat")

	exp := common.Hex2Bytes("8aad789dff2f538bca5d8ea56e8abe10f4c7ba3a5dea95fea4cd6e7c3a1168d3")
	root := trie.Hash()
	if !bytes.Equal(root, exp) {
		t.Errorf("exp %x got %x", exp, root)
	}

	trie = NewEmpty()
	trie.UpdateString("A", "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa")

	exp = common.Hex2Bytes("d23786fb4a010da3ce639d66d5e904a11dbc02746d1ce25029e53290cabf28ab")
	root = trie.Hash()
	if !bytes.Equal(root, exp) {
		t.Errorf("exp %x got %x", exp, root)
	}
}
コード例 #26
0
func TestRecipientEmpty(t *testing.T) {
	_, addr := defaultTestKey()
	tx, err := decodeTx(common.Hex2Bytes("f8498080808080011ca09b16de9d5bdee2cf56c28d16275a4da68cd30273e2525f3959f5d62557489921a0372ebd8fb3345f7db7b5a86d42e24d36e983e259b0664ceb8c227ec9af572f3d"))
	if err != nil {
		t.Error(err)
		t.FailNow()
	}
	from, err := tx.From()
	if err != nil {
		t.Error(err)
		t.FailNow()
	}
	if addr != from {
		t.Error("derived address doesn't match")
	}
}
コード例 #27
0
func TestRecipientNormal(t *testing.T) {
	_, addr := defaultTestKey()

	tx, err := decodeTx(common.Hex2Bytes("f85d80808094000000000000000000000000000000000000000080011ca0527c0d8f5c63f7b9f41324a7c8a563ee1190bcbf0dac8ab446291bdbf32f5c79a0552c4ef0a09a04395074dab9ed34d3fbfb843c2f2546cc30fe89ec143ca94ca6"))
	if err != nil {
		t.Error(err)
		t.FailNow()
	}

	from, err := tx.From()
	if err != nil {
		t.Error(err)
		t.FailNow()
	}

	if addr != from {
		t.Error("derived address doesn't match")
	}
}
コード例 #28
0
func TestLogReorgs(t *testing.T) {
	params.MinGasLimit = big.NewInt(125000)      // Minimum the gas limit may ever be.
	params.GenesisGasLimit = big.NewInt(3141592) // Gas limit of the Genesis block.

	var (
		key1, _ = crypto.HexToECDSA("b71c71a67e1177ad4e901695e1b4b9ee17ae16c6668d313eac2f96dbcda3f291")
		addr1   = crypto.PubkeyToAddress(key1.PublicKey)
		db, _   = ethdb.NewMemDatabase()
		// this code generates a log
		code = common.Hex2Bytes("60606040525b7f24ec1d3ff24c2f6ff210738839dbc339cd45a5294d85c79361016243157aae7b60405180905060405180910390a15b600a8060416000396000f360606040526008565b00")
	)
	genesis := WriteGenesisBlockForTesting(db,
		GenesisAccount{addr1, big.NewInt(10000000000000)},
	)

	evmux := &event.TypeMux{}
	blockchain, _ := NewBlockChain(db, testChainConfig(), FakePow{}, evmux)

	subs := evmux.Subscribe(RemovedLogsEvent{})
	chain, _ := GenerateChain(nil, genesis, db, 2, func(i int, gen *BlockGen) {
		if i == 1 {
			tx, err := types.NewContractCreation(gen.TxNonce(addr1), new(big.Int), big.NewInt(1000000), new(big.Int), code).SignECDSA(key1)
			if err != nil {
				t.Fatalf("failed to create tx: %v", err)
			}
			gen.AddTx(tx)
		}
	})
	if _, err := blockchain.InsertChain(chain); err != nil {
		t.Fatalf("failed to insert chain: %v", err)
	}

	chain, _ = GenerateChain(nil, genesis, db, 3, func(i int, gen *BlockGen) {})
	if _, err := blockchain.InsertChain(chain); err != nil {
		t.Fatalf("failed to insert forked chain: %v", err)
	}

	ev := <-subs.Chan()
	if len(ev.Data.(RemovedLogsEvent).Logs) == 0 {
		t.Error("expected logs")
	}
}
コード例 #29
0
ファイル: gui.go プロジェクト: CedarLogic/go-ethereum
func (gui *Gui) insertTransaction(window string, tx *types.Transaction) {
	var inout string
	from, _ := tx.From()
	if gui.eth.AccountManager().HasAccount(common.Hex2Bytes(from.Hex())) {
		inout = "send"
	} else {
		inout = "recv"
	}

	ptx := xeth.NewTx(tx)
	ptx.Sender = from.Hex()
	if to := tx.To(); to != nil {
		ptx.Address = to.Hex()
	}

	if window == "post" {
		//gui.getObjectByName("transactionView").Call("addTx", ptx, inout)
	} else {
		gui.getObjectByName("pendingTxView").Call("addTx", ptx, inout)
	}
}
コード例 #30
0
ファイル: main.go プロジェクト: ruflin/go-ethereum
func main() {
	code, err := ioutil.ReadAll(os.Stdin)
	if err != nil {
		fmt.Println(err)
		os.Exit(1)
	}
	code = common.Hex2Bytes(string(code[:len(code)-1]))
	fmt.Printf("%x\n", code)

	for pc := uint64(0); pc < uint64(len(code)); pc++ {
		op := vm.OpCode(code[pc])
		fmt.Printf("%-5d  %v", pc, op)

		switch op {
		case vm.PUSH1, vm.PUSH2, vm.PUSH3, vm.PUSH4, vm.PUSH5, vm.PUSH6, vm.PUSH7, vm.PUSH8, vm.PUSH9, vm.PUSH10, vm.PUSH11, vm.PUSH12, vm.PUSH13, vm.PUSH14, vm.PUSH15, vm.PUSH16, vm.PUSH17, vm.PUSH18, vm.PUSH19, vm.PUSH20, vm.PUSH21, vm.PUSH22, vm.PUSH23, vm.PUSH24, vm.PUSH25, vm.PUSH26, vm.PUSH27, vm.PUSH28, vm.PUSH29, vm.PUSH30, vm.PUSH31, vm.PUSH32:
			a := uint64(op) - uint64(vm.PUSH1) + 1
			fmt.Printf("  => %x", code[pc+1:pc+1+a])

			pc += a
		}
		fmt.Println()
	}
}