Ejemplo n.º 1
0
func TestRun2(t *testing.T) {
	ethutil.ReadConfig("")

	db, _ := ethdb.NewMemDatabase()
	state := NewState(ethutil.NewTrie(db, ""))

	script := Compile([]string{
		"PUSH", "0",
		"PUSH", "0",
		"TXSENDER",
		"PUSH", "10000000",
		"MKTX",
	})
	fmt.Println(ethutil.NewValue(script))

	tx := NewTransaction(ContractAddr, ethutil.Big("100000000000000000000000000000000000000000000000000"), script)
	fmt.Printf("contract addr %x\n", tx.Hash()[12:])
	contract := MakeContract(tx, state)
	vm := &Vm{}

	vm.Process(contract, state, RuntimeVars{
		address:     tx.Hash()[12:],
		blockNumber: 1,
		sender:      ethutil.FromHex("cd1722f3947def4cf144679da39c4c32bdc35681"),
		prevHash:    ethutil.FromHex("5e20a0453cecd065ea59c37ac63e079ee08998b6045136a8ce6635c7912ec0b6"),
		coinbase:    ethutil.FromHex("2adc25665018aa1fe0e6bc666dac8fc2697ff9ba"),
		time:        1,
		diff:        big.NewInt(256),
		txValue:     tx.Value,
		txData:      tx.Data,
	})
}
Ejemplo n.º 2
0
func (lib *EthLib) CreateTx(receiver, a, data string) string {
	var hash []byte
	if len(receiver) == 0 {
		hash = ethchain.ContractAddr
	} else {
		var err error
		hash, err = hex.DecodeString(receiver)
		if err != nil {
			return err.Error()
		}
	}

	k, _ := ethutil.Config.Db.Get([]byte("KeyRing"))
	keyPair := ethutil.NewKeyFromBytes(k)

	amount := ethutil.Big(a)
	code := ethchain.Compile(strings.Split(data, "\n"))
	tx := ethchain.NewTransaction(hash, amount, code)
	tx.Nonce = lib.stateManager.GetAddrState(keyPair.Address()).Nonce

	tx.Sign(keyPair.PrivateKey)

	lib.txPool.QueueTransaction(tx)

	if len(receiver) == 0 {
		ethutil.Config.Log.Infof("Contract addr %x", tx.Hash()[12:])
	} else {
		ethutil.Config.Log.Infof("Tx hash %x", tx.Hash())
	}

	return ethutil.Hex(tx.Hash())
}
Ejemplo n.º 3
0
func TestSnapshot(t *testing.T) {
	db, _ := ethdb.NewMemDatabase()
	ethutil.ReadConfig(".ethtest", "/tmp/ethtest", "")
	ethutil.Config.Db = db

	state := New(ethtrie.New(db, ""))

	stateObject := state.GetOrNewStateObject([]byte("aa"))

	stateObject.SetStorage(ethutil.Big("0"), ethutil.NewValue(42))

	snapshot := state.Copy()

	stateObject = state.GetStateObject([]byte("aa"))
	stateObject.SetStorage(ethutil.Big("0"), ethutil.NewValue(43))

	state.Set(snapshot)

	stateObject = state.GetStateObject([]byte("aa"))
	res := stateObject.GetStorage(ethutil.Big("0"))
	if !res.Cmp(ethutil.NewValue(42)) {
		t.Error("Expected storage 0 to be 42", res)
	}
}
Ejemplo n.º 4
0
func (self *UiLib) Transact(object map[string]interface{}) (*ethpipe.JSReceipt, error) {
	// Default values
	if object["from"] == nil {
		object["from"] = ""
	}
	if object["to"] == nil {
		object["to"] = ""
	}
	if object["value"] == nil {
		object["value"] = ""
	}
	if object["gas"] == nil {
		object["gas"] = ""
	}
	if object["gasPrice"] == nil {
		object["gasPrice"] = ""
	}

	var dataStr string
	var data []string
	if list, ok := object["data"].(*qml.List); ok {
		list.Convert(&data)
	}

	for _, str := range data {
		if ethutil.IsHex(str) {
			str = str[2:]

			if len(str) != 64 {
				str = ethutil.LeftPadString(str, 64)
			}
		} else {
			str = ethutil.Bytes2Hex(ethutil.LeftPadBytes(ethutil.Big(str).Bytes(), 32))
		}

		dataStr += str
	}

	return self.JSPipe.Transact(
		object["from"].(string),
		object["to"].(string),
		object["value"].(string),
		object["gas"].(string),
		object["gasPrice"].(string),
		dataStr,
	)
}
Ejemplo n.º 5
0
func AddTestNetFunds(block *Block) {
	for _, addr := range []string{
		"51ba59315b3a95761d0863b05ccc7a7f54703d99",
		"e4157b34ea9615cfbde6b4fda419828124b70c78",
		"b9c015918bdaba24b4ff057a92a3873d6eb201be",
		"6c386a4b26f73c802f34673f7248bb118f97424a",
		"cd2a3d9f938e13cd947ec05abc7fe734df8dd826",
		"2ef47100e0787b915105fd5e3f4ff6752079d5cb",
		"e6716f9544a56c530d868e4bfbacb172315bdead",
		"1a26338f0d905e295fccb71fa9ea849ffa12aaf4",
	} {
		codedAddr := ethutil.Hex2Bytes(addr)
		account := block.state.GetAccount(codedAddr)
		account.Balance = ethutil.Big("1606938044258990275541962092341162602522202993782792835301376") //ethutil.BigPow(2, 200)
		block.state.UpdateStateObject(account)
	}
}
Ejemplo n.º 6
0
func (self *JSPipe) NumberToHuman(balance string) string {
	b := ethutil.Big(balance)

	return ethutil.CurrencyToString(b)
}
Ejemplo n.º 7
0
func (self *JSPipe) Transact(key, toStr, valueStr, gasStr, gasPriceStr, codeStr string) (*JSReceipt, error) {
	var hash []byte
	var contractCreation bool
	if len(toStr) == 0 {
		contractCreation = true
	} else {
		// Check if an address is stored by this address
		addr := self.World().Config().Get("NameReg").StorageString(toStr).Bytes()
		if len(addr) > 0 {
			hash = addr
		} else {
			hash = ethutil.Hex2Bytes(toStr)
		}
	}

	var keyPair *ethcrypto.KeyPair
	var err error
	if ethutil.IsHex(key) {
		keyPair, err = ethcrypto.NewKeyPairFromSec([]byte(ethutil.Hex2Bytes(key[2:])))
	} else {
		keyPair, err = ethcrypto.NewKeyPairFromSec([]byte(ethutil.Hex2Bytes(key)))
	}

	if err != nil {
		return nil, err
	}

	var (
		value    = ethutil.Big(valueStr)
		gas      = ethutil.Big(gasStr)
		gasPrice = ethutil.Big(gasPriceStr)
		data     []byte
		tx       *ethchain.Transaction
	)

	if ethutil.IsHex(codeStr) {
		data = ethutil.Hex2Bytes(codeStr[2:])
	} else {
		data = ethutil.Hex2Bytes(codeStr)
	}

	if contractCreation {
		tx = ethchain.NewContractCreationTx(value, gas, gasPrice, data)
	} else {
		tx = ethchain.NewTransactionMessage(hash, value, gas, gasPrice, data)
	}

	acc := self.obj.StateManager().TransState().GetOrNewStateObject(keyPair.Address())
	tx.Nonce = acc.Nonce
	acc.Nonce += 1
	self.obj.StateManager().TransState().UpdateStateObject(acc)

	tx.Sign(keyPair.PrivateKey)
	self.obj.TxPool().QueueTransaction(tx)

	if contractCreation {
		logger.Infof("Contract addr %x", tx.CreationAddress())
	}

	return NewJSReciept(contractCreation, tx.CreationAddress(), tx.Hash(), keyPair.Address()), nil
}
Ejemplo n.º 8
0
func (i *Console) ParseInput(input string) bool {
	scanner := bufio.NewScanner(strings.NewReader(input))
	scanner.Split(bufio.ScanWords)

	count := 0
	var tokens []string
	for scanner.Scan() {
		count++
		tokens = append(tokens, scanner.Text())
	}
	if err := scanner.Err(); err != nil {
		fmt.Fprintln(os.Stderr, "reading input:", err)
	}

	if len(tokens) == 0 {
		return true
	}

	err := i.ValidateInput(tokens[0], count-1)
	if err != nil {
		fmt.Println(err)
	} else {
		switch tokens[0] {
		case "update":
			i.trie.Update(tokens[1], tokens[2])

			i.PrintRoot()
		case "get":
			fmt.Println(i.trie.Get(tokens[1]))
		case "root":
			i.PrintRoot()
		case "rawroot":
			fmt.Println(i.trie.Root)
		case "print":
			i.db.Print()
		case "dag":
			fmt.Println(ethchain.DaggerVerify(ethutil.Big(tokens[1]), // hash
				ethutil.BigPow(2, 36),   // diff
				ethutil.Big(tokens[2]))) // nonce
		case "decode":
			value := ethutil.NewValueFromBytes([]byte(tokens[1]))
			fmt.Println(value)
		case "getaddr":
			encoded, _ := hex.DecodeString(tokens[1])
			addr := i.ethereum.BlockManager.BlockChain().CurrentBlock.GetAddr(encoded)
			fmt.Println("addr:", addr)
		case "block":
			encoded, _ := hex.DecodeString(tokens[1])
			block := i.ethereum.BlockManager.BlockChain().GetBlock(encoded)
			fmt.Println(block)
		case "say":
			i.ethereum.Broadcast(ethwire.MsgTalkTy, []interface{}{tokens[1]})
		case "addp":
			i.ethereum.ConnectToPeer(tokens[1])
		case "pcount":
			fmt.Println("peers:", i.ethereum.Peers().Len())
		case "encode":
			fmt.Printf("%q\n", ethutil.Encode(tokens[1]))
		case "tx":
			recipient, err := hex.DecodeString(tokens[1])
			if err != nil {
				fmt.Println("recipient err:", err)
			} else {
				tx := ethchain.NewTransaction(recipient, ethutil.Big(tokens[2]), []string{""})
				data, _ := ethutil.Config.Db.Get([]byte("KeyRing"))
				keyRing := ethutil.NewValueFromBytes(data)
				tx.Sign(keyRing.Get(0).Bytes())
				fmt.Printf("%x\n", tx.Hash())
				i.ethereum.TxPool.QueueTransaction(tx)
			}

		case "gettx":
			addr, _ := hex.DecodeString(tokens[1])
			data, _ := ethutil.Config.Db.Get(addr)
			if len(data) != 0 {
				decoder := ethutil.NewValueFromBytes(data)
				fmt.Println(decoder)
			} else {
				fmt.Println("gettx: tx not found")
			}
		case "contract":
			contract := ethchain.NewTransaction([]byte{}, ethutil.Big(tokens[1]), []string{"PUSH", "1234"})
			fmt.Printf("%x\n", contract.Hash())

			i.ethereum.TxPool.QueueTransaction(contract)
		case "exit", "quit", "q":
			return false
		case "help":
			fmt.Printf("COMMANDS:\n" +
				"\033[1m= DB =\033[0m\n" +
				"update KEY VALUE - Updates/Creates a new value for the given key\n" +
				"get KEY - Retrieves the given key\n" +
				"root - Prints the hex encoded merkle root\n" +
				"rawroot - Prints the raw merkle root\n" +
				"block HASH - Prints the block\n" +
				"getaddr ADDR - Prints the account associated with the address\n" +
				"\033[1m= Dagger =\033[0m\n" +
				"dag HASH NONCE - Verifies a nonce with the given hash with dagger\n" +
				"\033[1m= Encoding =\033[0m\n" +
				"decode STR\n" +
				"encode STR\n" +
				"\033[1m= Other =\033[0m\n" +
				"addp HOST:PORT\n" +
				"tx TO AMOUNT\n" +
				"contract AMOUNT\n")

		default:
			fmt.Println("Unknown command:", tokens[0])
		}
	}

	return true
}
Ejemplo n.º 9
0
func (self *DebuggerWindow) Debug(valueStr, gasStr, gasPriceStr, scriptStr, dataStr string) {
	if !self.Db.done {
		self.Db.Q <- true
	}

	defer func() {
		if r := recover(); r != nil {
			self.Logf("compile FAULT: %v", r)
		}
	}()

	data := ethutil.StringToByteFunc(dataStr, func(s string) (ret []byte) {
		slice := strings.Split(dataStr, "\n")
		for _, dataItem := range slice {
			d := ethutil.FormatData(dataItem)
			ret = append(ret, d...)
		}
		return
	})

	var err error
	script := ethutil.StringToByteFunc(scriptStr, func(s string) (ret []byte) {
		ret, err = ethutil.Compile(s, false)
		return
	})

	if err != nil {
		self.Logln(err)

		return
	}

	var (
		gas      = ethutil.Big(gasStr)
		gasPrice = ethutil.Big(gasPriceStr)
		value    = ethutil.Big(valueStr)
		// Contract addr as test address
		keyPair = self.lib.eth.KeyManager().KeyPair()
	)

	state := self.lib.eth.StateManager().TransState()
	account := self.lib.eth.StateManager().TransState().GetAccount(keyPair.Address())
	contract := ethchain.NewStateObject([]byte{0})
	contract.Amount = value

	callerClosure := ethchain.NewClosure(account, contract, script, state, gas, gasPrice)

	block := self.lib.eth.BlockChain().CurrentBlock
	vm := ethchain.NewVm(state, self.lib.eth.StateManager(), ethchain.RuntimeVars{
		Block:       block,
		Origin:      account.Address(),
		BlockNumber: block.Number,
		PrevHash:    block.PrevHash,
		Coinbase:    block.Coinbase,
		Time:        block.Time,
		Diff:        block.Difficulty,
		Value:       ethutil.Big(valueStr),
	})
	vm.Verbose = true
	vm.Dbg = self.Db

	self.vm = vm
	self.Db.done = false
	self.Logf("callsize %d", len(script))
	go func() {
		ret, g, err := callerClosure.Call(vm, data)
		tot := new(big.Int).Mul(g, gasPrice)
		self.Logf("gas usage %v total price = %v (%v)", g, tot, ethutil.CurrencyToString(tot))
		if err != nil {
			self.Logln("exited with errors:", err)
		} else {
			if len(ret) > 0 {
				self.Logf("exited: % x", ret)
			} else {
				self.Logf("exited: nil")
			}
		}

		state.Reset()

		if !self.Db.interrupt {
			self.Db.done = true
		} else {
			self.Db.interrupt = false
		}
	}()
}
Ejemplo n.º 10
0
func (vm *Vm) Process(contract *Contract, state *State, vars RuntimeVars) {
	vm.mem = make(map[string]*big.Int)
	vm.stack = NewStack()

	addr := vars.address // tx.Hash()[12:]
	// Instruction pointer
	pc := 0

	if contract == nil {
		fmt.Println("Contract not found")
		return
	}

	Pow256 := ethutil.BigPow(2, 256)

	if ethutil.Config.Debug {
		ethutil.Config.Log.Debugf("#   op\n")
	}

	stepcount := 0
	totalFee := new(big.Int)

out:
	for {
		stepcount++
		// The base big int for all calculations. Use this for any results.
		base := new(big.Int)
		val := contract.GetMem(pc)
		//fmt.Printf("%x = %d, %v %x\n", r, len(r), v, nb)
		op := OpCode(val.Uint())

		var fee *big.Int = new(big.Int)
		var fee2 *big.Int = new(big.Int)
		if stepcount > 16 {
			fee.Add(fee, StepFee)
		}

		// Calculate the fees
		switch op {
		case oSSTORE:
			y, x := vm.stack.Peekn()
			val := contract.Addr(ethutil.BigToBytes(x, 256))
			if val.IsEmpty() && len(y.Bytes()) > 0 {
				fee2.Add(DataFee, StoreFee)
			} else {
				fee2.Sub(DataFee, StoreFee)
			}
		case oSLOAD:
			fee.Add(fee, StoreFee)
		case oEXTRO, oBALANCE:
			fee.Add(fee, ExtroFee)
		case oSHA256, oRIPEMD160, oECMUL, oECADD, oECSIGN, oECRECOVER, oECVALID:
			fee.Add(fee, CryptoFee)
		case oMKTX:
			fee.Add(fee, ContractFee)
		}

		tf := new(big.Int).Add(fee, fee2)
		if contract.Amount.Cmp(tf) < 0 {
			fmt.Println("Insufficient fees to continue running the contract", tf, contract.Amount)
			break
		}
		// Add the fee to the total fee. It's subtracted when we're done looping
		totalFee.Add(totalFee, tf)

		if ethutil.Config.Debug {
			ethutil.Config.Log.Debugf("%-3d %-4s", pc, op.String())
		}

		switch op {
		case oSTOP:
			fmt.Println("")
			break out
		case oADD:
			x, y := vm.stack.Popn()
			// (x + y) % 2 ** 256
			base.Add(x, y)
			base.Mod(base, Pow256)
			// Pop result back on the stack
			vm.stack.Push(base)
		case oSUB:
			x, y := vm.stack.Popn()
			// (x - y) % 2 ** 256
			base.Sub(x, y)
			base.Mod(base, Pow256)
			// Pop result back on the stack
			vm.stack.Push(base)
		case oMUL:
			x, y := vm.stack.Popn()
			// (x * y) % 2 ** 256
			base.Mul(x, y)
			base.Mod(base, Pow256)
			// Pop result back on the stack
			vm.stack.Push(base)
		case oDIV:
			x, y := vm.stack.Popn()
			// floor(x / y)
			base.Div(x, y)
			// Pop result back on the stack
			vm.stack.Push(base)
		case oSDIV:
			x, y := vm.stack.Popn()
			// n > 2**255
			if x.Cmp(Pow256) > 0 {
				x.Sub(Pow256, x)
			}
			if y.Cmp(Pow256) > 0 {
				y.Sub(Pow256, y)
			}
			z := new(big.Int)
			z.Div(x, y)
			if z.Cmp(Pow256) > 0 {
				z.Sub(Pow256, z)
			}
			// Push result on to the stack
			vm.stack.Push(z)
		case oMOD:
			x, y := vm.stack.Popn()
			base.Mod(x, y)
			vm.stack.Push(base)
		case oSMOD:
			x, y := vm.stack.Popn()
			// n > 2**255
			if x.Cmp(Pow256) > 0 {
				x.Sub(Pow256, x)
			}
			if y.Cmp(Pow256) > 0 {
				y.Sub(Pow256, y)
			}
			z := new(big.Int)
			z.Mod(x, y)
			if z.Cmp(Pow256) > 0 {
				z.Sub(Pow256, z)
			}
			// Push result on to the stack
			vm.stack.Push(z)
		case oEXP:
			x, y := vm.stack.Popn()
			base.Exp(x, y, Pow256)

			vm.stack.Push(base)
		case oNEG:
			base.Sub(Pow256, vm.stack.Pop())
			vm.stack.Push(base)
		case oLT:
			x, y := vm.stack.Popn()
			// x < y
			if x.Cmp(y) < 0 {
				vm.stack.Push(ethutil.BigTrue)
			} else {
				vm.stack.Push(ethutil.BigFalse)
			}
		case oLE:
			x, y := vm.stack.Popn()
			// x <= y
			if x.Cmp(y) < 1 {
				vm.stack.Push(ethutil.BigTrue)
			} else {
				vm.stack.Push(ethutil.BigFalse)
			}
		case oGT:
			x, y := vm.stack.Popn()
			// x > y
			if x.Cmp(y) > 0 {
				vm.stack.Push(ethutil.BigTrue)
			} else {
				vm.stack.Push(ethutil.BigFalse)
			}
		case oGE:
			x, y := vm.stack.Popn()
			// x >= y
			if x.Cmp(y) > -1 {
				vm.stack.Push(ethutil.BigTrue)
			} else {
				vm.stack.Push(ethutil.BigFalse)
			}
		case oNOT:
			x, y := vm.stack.Popn()
			// x != y
			if x.Cmp(y) != 0 {
				vm.stack.Push(ethutil.BigTrue)
			} else {
				vm.stack.Push(ethutil.BigFalse)
			}
		case oMYADDRESS:
			vm.stack.Push(ethutil.BigD(addr))
		case oTXSENDER:
			vm.stack.Push(ethutil.BigD(vars.sender))
		case oTXVALUE:
			vm.stack.Push(vars.txValue)
		case oTXDATAN:
			vm.stack.Push(big.NewInt(int64(len(vars.txData))))
		case oTXDATA:
			v := vm.stack.Pop()
			// v >= len(data)
			if v.Cmp(big.NewInt(int64(len(vars.txData)))) >= 0 {
				vm.stack.Push(ethutil.Big("0"))
			} else {
				vm.stack.Push(ethutil.Big(vars.txData[v.Uint64()]))
			}
		case oBLK_PREVHASH:
			vm.stack.Push(ethutil.BigD(vars.prevHash))
		case oBLK_COINBASE:
			vm.stack.Push(ethutil.BigD(vars.coinbase))
		case oBLK_TIMESTAMP:
			vm.stack.Push(big.NewInt(vars.time))
		case oBLK_NUMBER:
			vm.stack.Push(big.NewInt(int64(vars.blockNumber)))
		case oBLK_DIFFICULTY:
			vm.stack.Push(vars.diff)
		case oBASEFEE:
			// e = 10^21
			e := big.NewInt(0).Exp(big.NewInt(10), big.NewInt(21), big.NewInt(0))
			d := new(big.Rat)
			d.SetInt(vars.diff)
			c := new(big.Rat)
			c.SetFloat64(0.5)
			// d = diff / 0.5
			d.Quo(d, c)
			// base = floor(d)
			base.Div(d.Num(), d.Denom())

			x := new(big.Int)
			x.Div(e, base)

			// x = floor(10^21 / floor(diff^0.5))
			vm.stack.Push(x)
		case oSHA256, oSHA3, oRIPEMD160:
			// This is probably save
			// ceil(pop / 32)
			length := int(math.Ceil(float64(vm.stack.Pop().Uint64()) / 32.0))
			// New buffer which will contain the concatenated popped items
			data := new(bytes.Buffer)
			for i := 0; i < length; i++ {
				// Encode the number to bytes and have it 32bytes long
				num := ethutil.NumberToBytes(vm.stack.Pop().Bytes(), 256)
				data.WriteString(string(num))
			}

			if op == oSHA256 {
				vm.stack.Push(base.SetBytes(ethutil.Sha256Bin(data.Bytes())))
			} else if op == oSHA3 {
				vm.stack.Push(base.SetBytes(ethutil.Sha3Bin(data.Bytes())))
			} else {
				vm.stack.Push(base.SetBytes(ethutil.Ripemd160(data.Bytes())))
			}
		case oECMUL:
			y := vm.stack.Pop()
			x := vm.stack.Pop()
			//n := vm.stack.Pop()

			//if ethutil.Big(x).Cmp(ethutil.Big(y)) {
			data := new(bytes.Buffer)
			data.WriteString(x.String())
			data.WriteString(y.String())
			if secp256k1.VerifyPubkeyValidity(data.Bytes()) == 1 {
				// TODO
			} else {
				// Invalid, push infinity
				vm.stack.Push(ethutil.Big("0"))
				vm.stack.Push(ethutil.Big("0"))
			}
			//} else {
			//	// Invalid, push infinity
			//	vm.stack.Push("0")
			//	vm.stack.Push("0")
			//}

		case oECADD:
		case oECSIGN:
		case oECRECOVER:
		case oECVALID:
		case oPUSH:
			pc++
			vm.stack.Push(contract.GetMem(pc).BigInt())
		case oPOP:
			// Pop current value of the stack
			vm.stack.Pop()
		case oDUP:
			// Dup top stack
			x := vm.stack.Pop()
			vm.stack.Push(x)
			vm.stack.Push(x)
		case oSWAP:
			// Swap two top most values
			x, y := vm.stack.Popn()
			vm.stack.Push(y)
			vm.stack.Push(x)
		case oMLOAD:
			x := vm.stack.Pop()
			vm.stack.Push(vm.mem[x.String()])
		case oMSTORE:
			x, y := vm.stack.Popn()
			vm.mem[x.String()] = y
		case oSLOAD:
			// Load the value in storage and push it on the stack
			x := vm.stack.Pop()
			// decode the object as a big integer
			decoder := contract.Addr(x.Bytes())
			if !decoder.IsNil() {
				vm.stack.Push(decoder.BigInt())
			} else {
				vm.stack.Push(ethutil.BigFalse)
			}
		case oSSTORE:
			// Store Y at index X
			y, x := vm.stack.Popn()
			addr := ethutil.BigToBytes(x, 256)
			fmt.Printf(" => %x (%v) @ %v", y.Bytes(), y, ethutil.BigD(addr))
			contract.SetAddr(addr, y)
			//contract.State().Update(string(idx), string(y))
		case oJMP:
			x := int(vm.stack.Pop().Uint64())
			// Set pc to x - 1 (minus one so the incrementing at the end won't effect it)
			pc = x
			pc--
		case oJMPI:
			x := vm.stack.Pop()
			// Set pc to x if it's non zero
			if x.Cmp(ethutil.BigFalse) != 0 {
				pc = int(x.Uint64())
				pc--
			}
		case oIND:
			vm.stack.Push(big.NewInt(int64(pc)))
		case oEXTRO:
			memAddr := vm.stack.Pop()
			contractAddr := vm.stack.Pop().Bytes()

			// Push the contract's memory on to the stack
			vm.stack.Push(contractMemory(state, contractAddr, memAddr))
		case oBALANCE:
			// Pushes the balance of the popped value on to the stack
			account := state.GetAccount(vm.stack.Pop().Bytes())
			vm.stack.Push(account.Amount)
		case oMKTX:
			addr, value := vm.stack.Popn()
			from, length := vm.stack.Popn()

			makeInlineTx(addr.Bytes(), value, from, length, contract, state)
		case oSUICIDE:
			recAddr := vm.stack.Pop().Bytes()
			// Purge all memory
			deletedMemory := contract.state.Purge()
			// Add refunds to the pop'ed address
			refund := new(big.Int).Mul(StoreFee, big.NewInt(int64(deletedMemory)))
			account := state.GetAccount(recAddr)
			account.Amount.Add(account.Amount, refund)
			// Update the refunding address
			state.UpdateAccount(recAddr, account)
			// Delete the contract
			state.trie.Update(string(addr), "")

			ethutil.Config.Log.Debugf("(%d) => %x\n", deletedMemory, recAddr)
			break out
		default:
			fmt.Printf("Invalid OPCODE: %x\n", op)
		}
		ethutil.Config.Log.Debugln("")
		//vm.stack.Print()
		pc++
	}

	state.UpdateContract(addr, contract)
}
Ejemplo n.º 11
0
func (self *DebuggerWindow) Debug(valueStr, gasStr, gasPriceStr, scriptStr, dataStr string) {
	if !self.Db.done {
		self.Db.Q <- true
	}

	defer func() {
		if r := recover(); r != nil {
			self.Logf("compile FAULT: %v", r)
		}
	}()

	data := utils.FormatTransactionData(dataStr)

	var err error
	script := ethutil.StringToByteFunc(scriptStr, func(s string) (ret []byte) {
		ret, err = ethutil.Compile(s, false)
		return
	})

	if err != nil {
		self.Logln(err)

		return
	}

	var (
		gas      = ethutil.Big(gasStr)
		gasPrice = ethutil.Big(gasPriceStr)
		value    = ethutil.Big(valueStr)
		// Contract addr as test address
		keyPair = self.lib.eth.KeyManager().KeyPair()
	)

	state := self.lib.eth.StateManager().TransState()
	account := self.lib.eth.StateManager().TransState().GetAccount(keyPair.Address())
	contract := ethstate.NewStateObject([]byte{0})
	contract.Balance = value

	self.SetAsm(script)

	block := self.lib.eth.BlockChain().CurrentBlock

	callerClosure := ethvm.NewClosure(&ethstate.Message{}, account, contract, script, gas, gasPrice)
	env := utils.NewEnv(state, block, account.Address(), value)
	vm := ethvm.New(env)
	vm.Verbose = true
	vm.Dbg = self.Db

	self.vm = vm
	self.Db.done = false
	self.Logf("callsize %d", len(script))
	go func() {
		ret, g, err := callerClosure.Call(vm, data)
		tot := new(big.Int).Mul(g, gasPrice)
		self.Logf("gas usage %v total price = %v (%v)", g, tot, ethutil.CurrencyToString(tot))
		if err != nil {
			self.Logln("exited with errors:", err)
		} else {
			if len(ret) > 0 {
				self.Logf("exited: % x", ret)
			} else {
				self.Logf("exited: nil")
			}
		}

		state.Reset()

		if !self.Db.interrupt {
			self.Db.done = true
		} else {
			self.Db.interrupt = false
		}
	}()
}