Merge pull request #64 from getamis/test/account-tx-sending-tools

container: add account for each geth

client/client.go

@@ -116,6 +116,48 @@ func (ic *Client) StopMining(ctx context.Context) error {
 
 // ----------------------------------------------------------------------------
 
+func (ic *Client) SendTransaction(ctx context.Context, from, to common.Address, value *big.Int) (txHash string, err error) {
+	var hex hexutil.Bytes
+	arg := map[string]interface{}{
+		"from":  from,
+		"to":    to,
+		"value": (*hexutil.Big)(value),
+	}
+	if err = ic.c.CallContext(ctx, &hex, "eth_sendTransaction", arg); err == nil {
+		txHash = hex.String()
+	}
+	return
+}
+
+func (ic *Client) CreateContract(ctx context.Context, from common.Address, bytecode string, gas *big.Int) (txHash string, err error) {
+	var hex hexutil.Bytes
+	arg := map[string]interface{}{
+		"from": from,
+		"gas":  (*hexutil.Big)(gas),
+		"data": bytecode,
+	}
+	if err = ic.c.CallContext(ctx, &hex, "eth_sendTransaction", arg); err == nil {
+		txHash = hex.String()
+	}
+	return
+}
+
+func (ic *Client) CreatePrivateContract(ctx context.Context, from common.Address, bytecode string, gas *big.Int, privateFor []string) (txHash string, err error) {
+	var hex hexutil.Bytes
+	arg := map[string]interface{}{
+		"from":       from,
+		"gas":        (*hexutil.Big)(gas),
+		"data":       bytecode,
+		"privateFor": privateFor,
+	}
+	if err = ic.c.CallContext(ctx, &hex, "eth_sendTransaction", arg); err == nil {
+		txHash = hex.String()
+	}
+	return
+}
+
+// ----------------------------------------------------------------------------
+
 func (ic *Client) ProposeValidator(ctx context.Context, address common.Address, auth bool) error {
 	var r []byte
 	// TODO: Result needs to be verified with other method

client/ethclient.go

@@ -191,10 +191,10 @@ func (c *Client) EstimateGas(ctx context.Context, msg ethereum.CallMsg) (*big.In
 	return c.ethClient.EstimateGas(ctx, msg)
 }
 
-// SendTransaction injects a signed transaction into the pending pool for execution.
+// SendRawTransaction injects a signed transaction into the pending pool for execution.
 //
 // If the transaction was a contract creation use the TransactionReceipt method to get the
 // contract address after the transaction has been mined.
-func (c *Client) SendTransaction(ctx context.Context, tx *types.Transaction) error {
+func (c *Client) SendRawTransaction(ctx context.Context, tx *types.Transaction) error {
 	return c.ethClient.SendTransaction(ctx, tx)
 }

common/utils.go

@@ -27,6 +27,7 @@ import (
 	"os"
 	"path/filepath"
 
+	"github.com/ethereum/go-ethereum/accounts"
 	"github.com/ethereum/go-ethereum/common"
 	"github.com/ethereum/go-ethereum/crypto"
 	"github.com/getamis/go-ethereum/p2p/discover"
@@ -50,7 +51,7 @@ func GenerateIPs(num int) (ips []string) {
 func GenerateRandomDir() (string, error) {
 	err := os.MkdirAll(filepath.Join(defaultLocalDir), 0700)
 	if err != nil {
-		log.Fatal(err)
+		return "", err
 	}
 
 	instanceDir := filepath.Join(defaultLocalDir, fmt.Sprintf("%s-%s", clientIdentifier, uuid.NewV4().String()))
@@ -62,6 +63,27 @@ func GenerateRandomDir() (string, error) {
 	return instanceDir, nil
 }
 
+func GeneratePasswordFile(dir string, filename string, password string) {
+	path := filepath.Join(dir, filename)
+	err := ioutil.WriteFile(path, []byte(password), 0644)
+	if err != nil {
+		log.Fatalf("Failed to generate password file, err:%v", err)
+	}
+}
+
+func CopyKeystore(dir string, accounts []accounts.Account) {
+	keystorePath := filepath.Join(dir, "keystore")
+	err := os.MkdirAll(keystorePath, 0744)
+	if err != nil {
+		log.Fatalf("Failed to copy keystore, err:%v", err)
+	}
+	for _, a := range accounts {
+		src := a.URL.Path
+		dst := filepath.Join(keystorePath, filepath.Base(src))
+		copyFile(src, dst)
+	}
+}
+
 func GenerateKeys(num int) (keys []*ecdsa.PrivateKey, nodekeys []string, addrs []common.Address) {
 	for i := 0; i < num; i++ {
 		nodekey := RandomHex()[2:]
@@ -147,3 +169,14 @@ func RandomBytes(len int) ([]byte, error) {
 
 	return b, nil
 }
+
+func copyFile(src string, dst string) {
+	data, err := ioutil.ReadFile(src)
+	if err != nil {
+		log.Fatal(err)
+	}
+	err = ioutil.WriteFile(dst, data, 0644)
+	if err != nil {
+		log.Fatal(err)
+	}
+}

container/blockchain.go

@@ -20,13 +20,17 @@ import (
 	"context"
 	"crypto/ecdsa"
 	"fmt"
+	"io/ioutil"
 	"log"
+	"math/big"
 	"net"
 	"os"
 	"path/filepath"
 	"time"
 
 	"github.com/docker/docker/client"
+	"github.com/ethereum/go-ethereum/accounts"
+	"github.com/ethereum/go-ethereum/accounts/keystore"
 	"github.com/ethereum/go-ethereum/common"
 	"github.com/phayes/freeport"
 
@@ -34,6 +38,13 @@ import (
 	"github.com/getamis/istanbul-tools/genesis"
 )
 
+const (
+	allocBalance     = "900000000000000000000000000000000000000000000"
+	veryLightScryptN = 2
+	veryLightScryptP = 1
+	defaultPassword  = ""
+)
+
 type Blockchain interface {
 	AddValidators(numOfValidators int) ([]Ethereum, error)
 	RemoveValidators(candidates []Ethereum, t time.Duration) error
@@ -66,6 +77,9 @@ func NewBlockchain(network *DockerNetwork, numOfValidators int, options ...Optio
 	bc.getFreeIPAddrs = network.GetFreeIPAddrs
 	bc.opts = append(bc.opts, DockerNetworkName(bc.dockerNetworkName))
 
+	//Create accounts
+	bc.generateAccounts(numOfValidators)
+
 	bc.addValidators(numOfValidators)
 	return bc
 }
@@ -85,6 +99,8 @@ func NewDefaultBlockchain(network *DockerNetwork, numOfValidators int) (bc *bloc
 		Etherbase("1a9afb711302c5f83b5902843d1c007a1a137632"),
 		Mine(),
 		SyncMode("full"),
+		Unlock(0),
+		Password("password.txt"),
 		Logging(false),
 	)
 }
@@ -101,6 +117,8 @@ func NewDefaultBlockchainWithFaulty(network *DockerNetwork, numOfNormal int, num
 		Etherbase("1a9afb711302c5f83b5902843d1c007a1a137632"),
 		Mine(),
 		SyncMode("full"),
+		Unlock(0),
+		Password("password.txt"),
 		Logging(false)}
 	normalOpts := make([]Option, len(commonOpts), len(commonOpts)+2)
 	copy(normalOpts, commonOpts[:])
@@ -138,14 +156,17 @@ func NewDefaultBlockchainWithFaulty(network *DockerNetwork, numOfNormal int, num
 		log.Fatalf("Failed to get free ip addresses, err: %v", err)
 	}
 
+	//Create accounts
+	bc.generateAccounts(totalNodes)
+
 	keys, _, addrs := istcommon.GenerateKeys(totalNodes)
 	bc.setupGenesis(addrs)
 	// Create normal validators
 	bc.opts = normalOpts
-	bc.setupValidators(ips[:numOfNormal], keys[:numOfNormal], bc.opts...)
+	bc.setupValidators(ips[:numOfNormal], keys[:numOfNormal], 0, bc.opts...)
 	// Create faulty validators
 	bc.opts = faultyOpts
-	bc.setupValidators(ips[numOfNormal:], keys[numOfNormal:], bc.opts...)
+	bc.setupValidators(ips[numOfNormal:], keys[numOfNormal:], numOfNormal, bc.opts...)
 	return bc
 }
 
@@ -172,6 +193,9 @@ func NewQuorumBlockchain(network *DockerNetwork, ctn ConstellationNetwork, optio
 	bc.getFreeIPAddrs = network.GetFreeIPAddrs
 	bc.opts = append(bc.opts, DockerNetworkName(bc.dockerNetworkName))
 
+	//Create accounts
+	bc.generateAccounts(ctn.NumOfConstellations())
+
 	bc.addValidators(ctn.NumOfConstellations())
 	return bc
 }
@@ -190,6 +214,9 @@ func NewDefaultQuorumBlockchain(network *DockerNetwork, ctn ConstellationNetwork
 		NoDiscover(),
 		Etherbase("1a9afb711302c5f83b5902843d1c007a1a137632"),
 		Mine(),
+		SyncMode("full"),
+		Unlock(0),
+		Password("password.txt"),
 		Logging(false),
 	)
 }
@@ -206,6 +233,8 @@ type blockchain struct {
 	validators           []Ethereum
 	opts                 []Option
 	constellationNetwork ConstellationNetwork
+	accounts             []accounts.Account
+	keystorePath         string
 }
 
 func (bc *blockchain) AddValidators(numOfValidators int) ([]Ethereum, error) {
@@ -356,7 +385,7 @@ func (bc *blockchain) addValidators(numOfValidators int) error {
 	}
 	keys, _, addrs := istcommon.GenerateKeys(numOfValidators)
 	bc.setupGenesis(addrs)
-	bc.setupValidators(ips, keys, bc.opts...)
+	bc.setupValidators(ips, keys, 0, bc.opts...)
 
 	return nil
 }
@@ -381,15 +410,37 @@ func (bc *blockchain) connectAll(strong bool) error {
 	return nil
 }
 
+func (bc *blockchain) generateAccounts(num int) {
+	// Create keystore object
+	d, err := ioutil.TempDir("", "istanbul-keystore")
+	if err != nil {
+		log.Fatalf("Failed to create temp folder for keystore", err)
+	}
+	ks := keystore.NewKeyStore(d, veryLightScryptN, veryLightScryptP)
+	bc.keystorePath = d
+
+	// Create accounts
+	for i := 0; i < num; i++ {
+		a, e := ks.NewAccount(defaultPassword)
+		if e != nil {
+			log.Fatalf("Failed to create account", err)
+		}
+		bc.accounts = append(bc.accounts, a)
+	}
+}
+
 func (bc *blockchain) setupGenesis(addrs []common.Address) {
+	balance, _ := new(big.Int).SetString(allocBalance, 10)
 	if bc.genesisFile == "" {
 		bc.genesisFile = genesis.NewFile(bc.isQuorum,
 			genesis.Validators(addrs...),
+			genesis.Alloc(bc.accounts, balance),
 		)
 	}
 }
 
-func (bc *blockchain) setupValidators(ips []net.IP, keys []*ecdsa.PrivateKey, options ...Option) {
+// Offset: offset is for account index offset
+func (bc *blockchain) setupValidators(ips []net.IP, keys []*ecdsa.PrivateKey, offset int, options ...Option) {
 	for i := 0; i < len(keys); i++ {
 		var opts []Option
 		opts = append(opts, options...)
@@ -403,6 +454,9 @@ func (bc *blockchain) setupValidators(ips []net.IP, keys []*ecdsa.PrivateKey, op
 		opts = append(opts, HostWebSocketPort(freeport.GetPort()))
 		opts = append(opts, Key(keys[i]))
 		opts = append(opts, HostIP(ips[i]))
+		accounts := bc.accounts[i+offset : i+offset+1]
+		opts = append(opts, Accounts(accounts))
+
 		// Add PRIVATE_CONFIG for quorum
 		if bc.isQuorum {
 			ct := bc.constellationNetwork.GetConstellation(i)
@@ -416,6 +470,10 @@ func (bc *blockchain) setupValidators(ips []net.IP, keys []*ecdsa.PrivateKey, op
 			opts...,
 		)
 
+		// Copy keystore to datadir
+		istcommon.GeneratePasswordFile(dataDir, geth.password, defaultPassword)
+		istcommon.CopyKeystore(dataDir, accounts)
+
 		err = geth.Init(bc.genesisFile)
 		if err != nil {
 			log.Fatal("Failed to init genesis", err)

container/blockchain_test.go

@@ -33,6 +33,7 @@ func TestEthereumBlockchain(t *testing.T) {
 		WebSocketAPI("admin,eth,net,web3,personal"),
 		WebSocketOrigin("*"),
 		NoDiscover(),
+		Password("password.txt"),
 		Logging(true),
 	)
 	defer chain.Finalize()

container/constellation.go

@@ -130,6 +130,8 @@ type Constellation interface {
 	ConfigPath() string
 	// Binds() returns volume binding paths
 	Binds() []string
+	// PublicKeys() return public keys
+	PublicKeys() []string
 }
 
 func NewConstellation(c *client.Client, options ...ConstellationOption) *constellation {
@@ -363,6 +365,15 @@ func (ct *constellation) Binds() []string {
 	return []string{ct.localWorkDir + ":" + ct.workDir}
 }
 
+func (ct *constellation) PublicKeys() []string {
+	keyPath := ct.localKeyPath("pub")
+	keyBytes, err := ioutil.ReadFile(keyPath)
+	if err != nil {
+		log.Fatalf("Unable to read key file")
+	}
+	return []string{string(keyBytes)}
+}
+
 /**
  * Constellation internal functions
  **/
@@ -386,6 +397,10 @@ func (ct *constellation) keyPath(extension string) string {
 	}
 }
 
+func (ct *constellation) localKeyPath(extension string) string {
+	return filepath.Join(ct.localWorkDir, fmt.Sprintf("%s.%s", ct.keyName, extension))
+}
+
 func (ct *constellation) localConfigPath() string {
 	return filepath.Join(ct.localWorkDir, fmt.Sprintf("%s.conf", ct.keyName))
 }

container/ethereum.go

@@ -36,6 +36,7 @@ import (
 	"github.com/docker/docker/api/types/network"
 	docker "github.com/docker/docker/client"
 	"github.com/docker/go-connections/nat"
+	"github.com/ethereum/go-ethereum/accounts"
 	"github.com/ethereum/go-ethereum/cmd/utils"
 	"github.com/ethereum/go-ethereum/common"
 	ethtypes "github.com/ethereum/go-ethereum/core/types"
@@ -82,6 +83,8 @@ type Ethereum interface {
 	StartMining() error
 	StopMining() error
 
+	Accounts() []accounts.Account
+
 	DockerEnv() []string
 	DockerBinds() []string
 }
@@ -129,6 +132,8 @@ type ethereum struct {
 	hostName    string
 	containerID string
 	node        *discover.Node
+	accounts    []accounts.Account
+	password    string
 
 	//Quorum only
 	isQuorum    bool
@@ -603,6 +608,10 @@ func (eth *ethereum) StopMining() error {
 	return client.StopMining(context.Background())
 }
 
+func (eth *ethereum) Accounts() []accounts.Account {
+	return eth.accounts
+}
+
 func (eth *ethereum) DockerEnv() []string {
 	return eth.dockerEnv
 }

container/options.go

@@ -20,7 +20,9 @@ import (
 	"crypto/ecdsa"
 	"fmt"
 	"net"
+	"path/filepath"
 
+	"github.com/ethereum/go-ethereum/accounts"
 	"github.com/ethereum/go-ethereum/cmd/utils"
 )
 
@@ -290,3 +292,24 @@ func NoUSB() Option {
 		eth.flags = append(eth.flags, "--"+utils.NoUSBFlag.Name)
 	}
 }
+
+func Accounts(accounts []accounts.Account) Option {
+	return func(eth *ethereum) {
+		eth.accounts = accounts
+	}
+}
+
+func Unlock(index int) Option {
+	return func(eth *ethereum) {
+		eth.flags = append(eth.flags, "--"+utils.UnlockedAccountFlag.Name)
+		eth.flags = append(eth.flags, fmt.Sprintf("%d", index))
+	}
+}
+
+func Password(password string) Option {
+	return func(eth *ethereum) {
+		eth.password = password
+		eth.flags = append(eth.flags, "--"+utils.PasswordFileFlag.Name)
+		eth.flags = append(eth.flags, filepath.Join(utils.DataDirFlag.Value.Value, password))
+	}
+}

genesis/options.go

@@ -18,7 +18,9 @@ package genesis
 
 import (
 	"log"
+	"math/big"
 
+	"github.com/ethereum/go-ethereum/accounts"
 	"github.com/ethereum/go-ethereum/common"
 	"github.com/ethereum/go-ethereum/common/hexutil"
 	"github.com/ethereum/go-ethereum/core"
@@ -43,3 +45,13 @@ func GasLimit(limit uint64) Option {
 		genesis.GasLimit = limit
 	}
 }
+
+func Alloc(accounts []accounts.Account, balance *big.Int) Option {
+	return func(genesis *core.Genesis) {
+		alloc := make(map[common.Address]core.GenesisAccount)
+		for _, a := range accounts {
+			alloc[a.Address] = core.GenesisAccount{Balance: balance}
+		}
+		genesis.Alloc = alloc
+	}
+}

tests/contract/simple_storage.go

@@ -0,0 +1,233 @@
+// Code generated - DO NOT EDIT.
+// This file is a generated binding and any manual changes will be lost.
+
+package contract
+
+import (
+	"math/big"
+	"strings"
+
+	"github.com/ethereum/go-ethereum/accounts/abi"
+	"github.com/ethereum/go-ethereum/accounts/abi/bind"
+	"github.com/ethereum/go-ethereum/common"
+	"github.com/ethereum/go-ethereum/core/types"
+)
+
+// SimplestorageABI is the input ABI used to generate the binding from.
+const SimplestorageABI = "[{\"constant\":true,\"inputs\":[],\"name\":\"storedData\",\"outputs\":[{\"name\":\"\",\"type\":\"uint256\"}],\"payable\":false,\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"name\":\"x\",\"type\":\"uint256\"}],\"name\":\"set\",\"outputs\":[],\"payable\":false,\"type\":\"function\"},{\"constant\":true,\"inputs\":[],\"name\":\"get\",\"outputs\":[{\"name\":\"retVal\",\"type\":\"uint256\"}],\"payable\":false,\"type\":\"function\"},{\"inputs\":[{\"name\":\"initVal\",\"type\":\"uint256\"}],\"payable\":false,\"type\":\"constructor\"}]"
+
+// SimplestorageBin is the compiled bytecode used for deploying new contracts.
+const SimplestorageBin = `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`
+
+// DeploySimplestorage deploys a new Ethereum contract, binding an instance of Simplestorage to it.
+func DeploySimplestorage(auth *bind.TransactOpts, backend bind.ContractBackend, initVal *big.Int) (common.Address, *types.Transaction, *Simplestorage, error) {
+	parsed, err := abi.JSON(strings.NewReader(SimplestorageABI))
+	if err != nil {
+		return common.Address{}, nil, nil, err
+	}
+	address, tx, contract, err := bind.DeployContract(auth, parsed, common.FromHex(SimplestorageBin), backend, initVal)
+	if err != nil {
+		return common.Address{}, nil, nil, err
+	}
+	return address, tx, &Simplestorage{SimplestorageCaller: SimplestorageCaller{contract: contract}, SimplestorageTransactor: SimplestorageTransactor{contract: contract}}, nil
+}
+
+// Simplestorage is an auto generated Go binding around an Ethereum contract.
+type Simplestorage struct {
+	SimplestorageCaller     // Read-only binding to the contract
+	SimplestorageTransactor // Write-only binding to the contract
+}
+
+// SimplestorageCaller is an auto generated read-only Go binding around an Ethereum contract.
+type SimplestorageCaller struct {
+	contract *bind.BoundContract // Generic contract wrapper for the low level calls
+}
+
+// SimplestorageTransactor is an auto generated write-only Go binding around an Ethereum contract.
+type SimplestorageTransactor struct {
+	contract *bind.BoundContract // Generic contract wrapper for the low level calls
+}
+
+// SimplestorageSession is an auto generated Go binding around an Ethereum contract,
+// with pre-set call and transact options.
+type SimplestorageSession struct {
+	Contract     *Simplestorage    // Generic contract binding to set the session for
+	CallOpts     bind.CallOpts     // Call options to use throughout this session
+	TransactOpts bind.TransactOpts // Transaction auth options to use throughout this session
+}
+
+// SimplestorageCallerSession is an auto generated read-only Go binding around an Ethereum contract,
+// with pre-set call options.
+type SimplestorageCallerSession struct {
+	Contract *SimplestorageCaller // Generic contract caller binding to set the session for
+	CallOpts bind.CallOpts        // Call options to use throughout this session
+}
+
+// SimplestorageTransactorSession is an auto generated write-only Go binding around an Ethereum contract,
+// with pre-set transact options.
+type SimplestorageTransactorSession struct {
+	Contract     *SimplestorageTransactor // Generic contract transactor binding to set the session for
+	TransactOpts bind.TransactOpts        // Transaction auth options to use throughout this session
+}
+
+// SimplestorageRaw is an auto generated low-level Go binding around an Ethereum contract.
+type SimplestorageRaw struct {
+	Contract *Simplestorage // Generic contract binding to access the raw methods on
+}
+
+// SimplestorageCallerRaw is an auto generated low-level read-only Go binding around an Ethereum contract.
+type SimplestorageCallerRaw struct {
+	Contract *SimplestorageCaller // Generic read-only contract binding to access the raw methods on
+}
+
+// SimplestorageTransactorRaw is an auto generated low-level write-only Go binding around an Ethereum contract.
+type SimplestorageTransactorRaw struct {
+	Contract *SimplestorageTransactor // Generic write-only contract binding to access the raw methods on
+}
+
+// NewSimplestorage creates a new instance of Simplestorage, bound to a specific deployed contract.
+func NewSimplestorage(address common.Address, backend bind.ContractBackend) (*Simplestorage, error) {
+	contract, err := bindSimplestorage(address, backend, backend)
+	if err != nil {
+		return nil, err
+	}
+	return &Simplestorage{SimplestorageCaller: SimplestorageCaller{contract: contract}, SimplestorageTransactor: SimplestorageTransactor{contract: contract}}, nil
+}
+
+// NewSimplestorageCaller creates a new read-only instance of Simplestorage, bound to a specific deployed contract.
+func NewSimplestorageCaller(address common.Address, caller bind.ContractCaller) (*SimplestorageCaller, error) {
+	contract, err := bindSimplestorage(address, caller, nil)
+	if err != nil {
+		return nil, err
+	}
+	return &SimplestorageCaller{contract: contract}, nil
+}
+
+// NewSimplestorageTransactor creates a new write-only instance of Simplestorage, bound to a specific deployed contract.
+func NewSimplestorageTransactor(address common.Address, transactor bind.ContractTransactor) (*SimplestorageTransactor, error) {
+	contract, err := bindSimplestorage(address, nil, transactor)
+	if err != nil {
+		return nil, err
+	}
+	return &SimplestorageTransactor{contract: contract}, nil
+}
+
+// bindSimplestorage binds a generic wrapper to an already deployed contract.
+func bindSimplestorage(address common.Address, caller bind.ContractCaller, transactor bind.ContractTransactor) (*bind.BoundContract, error) {
+	parsed, err := abi.JSON(strings.NewReader(SimplestorageABI))
+	if err != nil {
+		return nil, err
+	}
+	return bind.NewBoundContract(address, parsed, caller, transactor), nil
+}
+
+// Call invokes the (constant) contract method with params as input values and
+// sets the output to result. The result type might be a single field for simple
+// returns, a slice of interfaces for anonymous returns and a struct for named
+// returns.
+func (_Simplestorage *SimplestorageRaw) Call(opts *bind.CallOpts, result interface{}, method string, params ...interface{}) error {
+	return _Simplestorage.Contract.SimplestorageCaller.contract.Call(opts, result, method, params...)
+}
+
+// Transfer initiates a plain transaction to move funds to the contract, calling
+// its default method if one is available.
+func (_Simplestorage *SimplestorageRaw) Transfer(opts *bind.TransactOpts) (*types.Transaction, error) {
+	return _Simplestorage.Contract.SimplestorageTransactor.contract.Transfer(opts)
+}
+
+// Transact invokes the (paid) contract method with params as input values.
+func (_Simplestorage *SimplestorageRaw) Transact(opts *bind.TransactOpts, method string, params ...interface{}) (*types.Transaction, error) {
+	return _Simplestorage.Contract.SimplestorageTransactor.contract.Transact(opts, method, params...)
+}
+
+// Call invokes the (constant) contract method with params as input values and
+// sets the output to result. The result type might be a single field for simple
+// returns, a slice of interfaces for anonymous returns and a struct for named
+// returns.
+func (_Simplestorage *SimplestorageCallerRaw) Call(opts *bind.CallOpts, result interface{}, method string, params ...interface{}) error {
+	return _Simplestorage.Contract.contract.Call(opts, result, method, params...)
+}
+
+// Transfer initiates a plain transaction to move funds to the contract, calling
+// its default method if one is available.
+func (_Simplestorage *SimplestorageTransactorRaw) Transfer(opts *bind.TransactOpts) (*types.Transaction, error) {
+	return _Simplestorage.Contract.contract.Transfer(opts)
+}
+
+// Transact invokes the (paid) contract method with params as input values.
+func (_Simplestorage *SimplestorageTransactorRaw) Transact(opts *bind.TransactOpts, method string, params ...interface{}) (*types.Transaction, error) {
+	return _Simplestorage.Contract.contract.Transact(opts, method, params...)
+}
+
+// Get is a free data retrieval call binding the contract method 0x6d4ce63c.
+//
+// Solidity: function get() constant returns(retVal uint256)
+func (_Simplestorage *SimplestorageCaller) Get(opts *bind.CallOpts) (*big.Int, error) {
+	var (
+		ret0 = new(*big.Int)
+	)
+	out := ret0
+	err := _Simplestorage.contract.Call(opts, out, "get")
+	return *ret0, err
+}
+
+// Get is a free data retrieval call binding the contract method 0x6d4ce63c.
+//
+// Solidity: function get() constant returns(retVal uint256)
+func (_Simplestorage *SimplestorageSession) Get() (*big.Int, error) {
+	return _Simplestorage.Contract.Get(&_Simplestorage.CallOpts)
+}
+
+// Get is a free data retrieval call binding the contract method 0x6d4ce63c.
+//
+// Solidity: function get() constant returns(retVal uint256)
+func (_Simplestorage *SimplestorageCallerSession) Get() (*big.Int, error) {
+	return _Simplestorage.Contract.Get(&_Simplestorage.CallOpts)
+}
+
+// StoredData is a free data retrieval call binding the contract method 0x2a1afcd9.
+//
+// Solidity: function storedData() constant returns(uint256)
+func (_Simplestorage *SimplestorageCaller) StoredData(opts *bind.CallOpts) (*big.Int, error) {
+	var (
+		ret0 = new(*big.Int)
+	)
+	out := ret0
+	err := _Simplestorage.contract.Call(opts, out, "storedData")
+	return *ret0, err
+}
+
+// StoredData is a free data retrieval call binding the contract method 0x2a1afcd9.
+//
+// Solidity: function storedData() constant returns(uint256)
+func (_Simplestorage *SimplestorageSession) StoredData() (*big.Int, error) {
+	return _Simplestorage.Contract.StoredData(&_Simplestorage.CallOpts)
+}
+
+// StoredData is a free data retrieval call binding the contract method 0x2a1afcd9.
+//
+// Solidity: function storedData() constant returns(uint256)
+func (_Simplestorage *SimplestorageCallerSession) StoredData() (*big.Int, error) {
+	return _Simplestorage.Contract.StoredData(&_Simplestorage.CallOpts)
+}
+
+// Set is a paid mutator transaction binding the contract method 0x60fe47b1.
+//
+// Solidity: function set(x uint256) returns()
+func (_Simplestorage *SimplestorageTransactor) Set(opts *bind.TransactOpts, x *big.Int) (*types.Transaction, error) {
+	return _Simplestorage.contract.Transact(opts, "set", x)
+}
+
+// Set is a paid mutator transaction binding the contract method 0x60fe47b1.
+//
+// Solidity: function set(x uint256) returns()
+func (_Simplestorage *SimplestorageSession) Set(x *big.Int) (*types.Transaction, error) {
+	return _Simplestorage.Contract.Set(&_Simplestorage.TransactOpts, x)
+}
+
+// Set is a paid mutator transaction binding the contract method 0x60fe47b1.
+//
+// Solidity: function set(x uint256) returns()
+func (_Simplestorage *SimplestorageTransactorSession) Set(x *big.Int) (*types.Transaction, error) {
+	return _Simplestorage.Contract.Set(&_Simplestorage.TransactOpts, x)
+}