diff --git a/.travis.yml b/.travis.yml index 5499cf2571..c4e39b05ea 100644 --- a/.travis.yml +++ b/.travis.yml @@ -1,8 +1,8 @@ language: go go: - - 1.4.1 + - 1.4.2 before_install: - - sudo add-apt-repository ppa:beineri/opt-qt54 -y + - sudo add-apt-repository ppa:beineri/opt-qt541 -y - sudo apt-get update -qq - sudo apt-get install -yqq libgmp3-dev libreadline6-dev qt54quickcontrols qt54webengine install: diff --git a/Godeps/Godeps.json b/Godeps/Godeps.json index 9b73065309..b66ea932fe 100644 --- a/Godeps/Godeps.json +++ b/Godeps/Godeps.json @@ -1,15 +1,10 @@ { "ImportPath": "github.com/ethereum/go-ethereum", - "GoVersion": "go1.4.1", + "GoVersion": "go1.4.2", "Packages": [ "./..." ], "Deps": [ - { - "ImportPath": "bitbucket.org/kardianos/osext", - "Comment": "null-13", - "Rev": "5d3ddcf53a508cc2f7404eaebf546ef2cb5cdb6e" - }, { "ImportPath": "code.google.com/p/go-uuid/uuid", "Comment": "null-12", @@ -37,6 +32,10 @@ "ImportPath": "github.com/jackpal/go-nat-pmp", "Rev": "a45aa3d54aef73b504e15eb71bea0e5565b5e6e1" }, + { + "ImportPath": "github.com/kardianos/osext", + "Rev": "ccfcd0245381f0c94c68f50626665eed3c6b726a" + }, { "ImportPath": "github.com/obscuren/otto", "Rev": "cf13cc4228c5e5ce0fe27a7aea90bc10091c4f19" diff --git a/Godeps/_workspace/src/bitbucket.org/kardianos/osext/LICENSE b/Godeps/_workspace/src/bitbucket.org/kardianos/osext/LICENSE deleted file mode 100644 index 18527a28fb..0000000000 --- a/Godeps/_workspace/src/bitbucket.org/kardianos/osext/LICENSE +++ /dev/null @@ -1,20 +0,0 @@ -Copyright (c) 2012 Daniel Theophanes - -This software is provided 'as-is', without any express or implied -warranty. In no event will the authors be held liable for any damages -arising from the use of this software. - -Permission is granted to anyone to use this software for any purpose, -including commercial applications, and to alter it and redistribute it -freely, subject to the following restrictions: - - 1. The origin of this software must not be misrepresented; you must not - claim that you wrote the original software. If you use this software - in a product, an acknowledgment in the product documentation would be - appreciated but is not required. - - 2. Altered source versions must be plainly marked as such, and must not be - misrepresented as being the original software. - - 3. This notice may not be removed or altered from any source - distribution. diff --git a/Godeps/_workspace/src/github.com/kardianos/osext/LICENSE b/Godeps/_workspace/src/github.com/kardianos/osext/LICENSE new file mode 100644 index 0000000000..7448756763 --- /dev/null +++ b/Godeps/_workspace/src/github.com/kardianos/osext/LICENSE @@ -0,0 +1,27 @@ +Copyright (c) 2012 The Go Authors. All rights reserved. + +Redistribution and use in source and binary forms, with or without +modification, are permitted provided that the following conditions are +met: + + * Redistributions of source code must retain the above copyright +notice, this list of conditions and the following disclaimer. + * Redistributions in binary form must reproduce the above +copyright notice, this list of conditions and the following disclaimer +in the documentation and/or other materials provided with the +distribution. + * Neither the name of Google Inc. nor the names of its +contributors may be used to endorse or promote products derived from +this software without specific prior written permission. + +THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. diff --git a/Godeps/_workspace/src/github.com/kardianos/osext/README.md b/Godeps/_workspace/src/github.com/kardianos/osext/README.md new file mode 100644 index 0000000000..820e1ecb54 --- /dev/null +++ b/Godeps/_workspace/src/github.com/kardianos/osext/README.md @@ -0,0 +1,14 @@ +### Extensions to the "os" package. + +## Find the current Executable and ExecutableFolder. + +There is sometimes utility in finding the current executable file +that is running. This can be used for upgrading the current executable +or finding resources located relative to the executable file. + +Multi-platform and supports: + * Linux + * OS X + * Windows + * Plan 9 + * BSDs. diff --git a/Godeps/_workspace/src/bitbucket.org/kardianos/osext/osext.go b/Godeps/_workspace/src/github.com/kardianos/osext/osext.go similarity index 87% rename from Godeps/_workspace/src/bitbucket.org/kardianos/osext/osext.go rename to Godeps/_workspace/src/github.com/kardianos/osext/osext.go index 37efbb2210..4ed4b9aa33 100644 --- a/Godeps/_workspace/src/bitbucket.org/kardianos/osext/osext.go +++ b/Godeps/_workspace/src/github.com/kardianos/osext/osext.go @@ -25,8 +25,3 @@ func ExecutableFolder() (string, error) { folder, _ := filepath.Split(p) return folder, nil } - -// Depricated. Same as Executable(). -func GetExePath() (exePath string, err error) { - return Executable() -} diff --git a/Godeps/_workspace/src/bitbucket.org/kardianos/osext/osext_plan9.go b/Godeps/_workspace/src/github.com/kardianos/osext/osext_plan9.go similarity index 51% rename from Godeps/_workspace/src/bitbucket.org/kardianos/osext/osext_plan9.go rename to Godeps/_workspace/src/github.com/kardianos/osext/osext_plan9.go index 4468a73a7f..655750c542 100644 --- a/Godeps/_workspace/src/bitbucket.org/kardianos/osext/osext_plan9.go +++ b/Godeps/_workspace/src/github.com/kardianos/osext/osext_plan9.go @@ -5,16 +5,16 @@ package osext import ( - "syscall" - "os" - "strconv" + "os" + "strconv" + "syscall" ) func executable() (string, error) { - f, err := os.Open("/proc/" + strconv.Itoa(os.Getpid()) + "/text") - if err != nil { - return "", err - } - defer f.Close() - return syscall.Fd2path(int(f.Fd())) + f, err := os.Open("/proc/" + strconv.Itoa(os.Getpid()) + "/text") + if err != nil { + return "", err + } + defer f.Close() + return syscall.Fd2path(int(f.Fd())) } diff --git a/Godeps/_workspace/src/bitbucket.org/kardianos/osext/osext_procfs.go b/Godeps/_workspace/src/github.com/kardianos/osext/osext_procfs.go similarity index 74% rename from Godeps/_workspace/src/bitbucket.org/kardianos/osext/osext_procfs.go rename to Godeps/_workspace/src/github.com/kardianos/osext/osext_procfs.go index 546fec9155..a50021ad53 100644 --- a/Godeps/_workspace/src/bitbucket.org/kardianos/osext/osext_procfs.go +++ b/Godeps/_workspace/src/github.com/kardianos/osext/osext_procfs.go @@ -2,12 +2,13 @@ // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. -// +build linux netbsd openbsd +// +build linux netbsd openbsd solaris dragonfly package osext import ( "errors" + "fmt" "os" "runtime" ) @@ -18,8 +19,10 @@ func executable() (string, error) { return os.Readlink("/proc/self/exe") case "netbsd": return os.Readlink("/proc/curproc/exe") - case "openbsd": + case "openbsd", "dragonfly": return os.Readlink("/proc/curproc/file") + case "solaris": + return os.Readlink(fmt.Sprintf("/proc/%d/path/a.out", os.Getpid())) } return "", errors.New("ExecPath not implemented for " + runtime.GOOS) } diff --git a/Godeps/_workspace/src/bitbucket.org/kardianos/osext/osext_sysctl.go b/Godeps/_workspace/src/github.com/kardianos/osext/osext_sysctl.go similarity index 100% rename from Godeps/_workspace/src/bitbucket.org/kardianos/osext/osext_sysctl.go rename to Godeps/_workspace/src/github.com/kardianos/osext/osext_sysctl.go diff --git a/Godeps/_workspace/src/bitbucket.org/kardianos/osext/osext_test.go b/Godeps/_workspace/src/github.com/kardianos/osext/osext_test.go similarity index 100% rename from Godeps/_workspace/src/bitbucket.org/kardianos/osext/osext_test.go rename to Godeps/_workspace/src/github.com/kardianos/osext/osext_test.go diff --git a/Godeps/_workspace/src/bitbucket.org/kardianos/osext/osext_windows.go b/Godeps/_workspace/src/github.com/kardianos/osext/osext_windows.go similarity index 100% rename from Godeps/_workspace/src/bitbucket.org/kardianos/osext/osext_windows.go rename to Godeps/_workspace/src/github.com/kardianos/osext/osext_windows.go diff --git a/accounts/account_manager.go b/accounts/account_manager.go index f1ad450e62..3e9fa77991 100644 --- a/accounts/account_manager.go +++ b/accounts/account_manager.go @@ -35,24 +35,33 @@ package accounts import ( crand "crypto/rand" + "errors" + "sync" + "time" + "github.com/ethereum/go-ethereum/crypto" ) +var ErrLocked = errors.New("account is locked; please request passphrase") + // TODO: better name for this struct? type Account struct { Address []byte } type AccountManager struct { - keyStore crypto.KeyStore2 + keyStore crypto.KeyStore2 + unlockedKeys map[string]crypto.Key + unlockMilliseconds time.Duration + mutex sync.RWMutex } -// TODO: get key by addr - modify KeyStore2 GetKey to work with addr - -// TODO: pass through passphrase for APIs which require access to private key? -func NewAccountManager(keyStore crypto.KeyStore2) AccountManager { +func NewAccountManager(keyStore crypto.KeyStore2, unlockMilliseconds time.Duration) AccountManager { + keysMap := make(map[string]crypto.Key) am := &AccountManager{ - keyStore: keyStore, + keyStore: keyStore, + unlockedKeys: keysMap, + unlockMilliseconds: unlockMilliseconds, } return *am } @@ -61,11 +70,26 @@ func (am AccountManager) DeleteAccount(address []byte, auth string) error { return am.keyStore.DeleteKey(address, auth) } -func (am *AccountManager) Sign(fromAccount *Account, keyAuth string, toSign []byte) (signature []byte, err error) { +func (am *AccountManager) Sign(fromAccount *Account, toSign []byte) (signature []byte, err error) { + am.mutex.RLock() + unlockedKey := am.unlockedKeys[string(fromAccount.Address)] + am.mutex.RUnlock() + if unlockedKey.Address == nil { + return nil, ErrLocked + } + signature, err = crypto.Sign(toSign, unlockedKey.PrivateKey) + return signature, err +} + +func (am *AccountManager) SignLocked(fromAccount *Account, keyAuth string, toSign []byte) (signature []byte, err error) { key, err := am.keyStore.GetKey(fromAccount.Address, keyAuth) if err != nil { return nil, err } + am.mutex.RLock() + am.unlockedKeys[string(fromAccount.Address)] = *key + am.mutex.RUnlock() + go unlockLater(am, fromAccount.Address) signature, err = crypto.Sign(toSign, key.PrivateKey) return signature, err } @@ -81,8 +105,6 @@ func (am AccountManager) NewAccount(auth string) (*Account, error) { return ua, err } -// set of accounts == set of keys in given key store -// TODO: do we need persistence of accounts as well? func (am *AccountManager) Accounts() ([]Account, error) { addresses, err := am.keyStore.GetKeyAddresses() if err != nil { @@ -98,3 +120,13 @@ func (am *AccountManager) Accounts() ([]Account, error) { } return accounts, err } + +func unlockLater(am *AccountManager, addr []byte) { + select { + case <-time.After(time.Millisecond * am.unlockMilliseconds): + } + am.mutex.RLock() + // TODO: how do we know the key is actually gone from memory? + delete(am.unlockedKeys, string(addr)) + am.mutex.RUnlock() +} diff --git a/accounts/accounts_test.go b/accounts/accounts_test.go index 4e97de5456..44d1d72f17 100644 --- a/accounts/accounts_test.go +++ b/accounts/accounts_test.go @@ -6,19 +6,68 @@ import ( "github.com/ethereum/go-ethereum/crypto" "github.com/ethereum/go-ethereum/crypto/randentropy" "github.com/ethereum/go-ethereum/ethutil" + "time" ) func TestAccountManager(t *testing.T) { ks := crypto.NewKeyStorePlain(ethutil.DefaultDataDir() + "/testaccounts") - am := NewAccountManager(ks) + am := NewAccountManager(ks, 100) pass := "" // not used but required by API a1, err := am.NewAccount(pass) toSign := randentropy.GetEntropyCSPRNG(32) - _, err = am.Sign(a1, pass, toSign) + _, err = am.SignLocked(a1, pass, toSign) if err != nil { t.Fatal(err) } + // Cleanup + time.Sleep(time.Millisecond * 150) // wait for locking + + accounts, err := am.Accounts() + if err != nil { + t.Fatal(err) + } + for _, account := range accounts { + err := am.DeleteAccount(account.Address, pass) + if err != nil { + t.Fatal(err) + } + } +} + +func TestAccountManagerLocking(t *testing.T) { + ks := crypto.NewKeyStorePassphrase(ethutil.DefaultDataDir() + "/testaccounts") + am := NewAccountManager(ks, 200) + pass := "foo" + a1, err := am.NewAccount(pass) + toSign := randentropy.GetEntropyCSPRNG(32) + + // Signing without passphrase fails because account is locked + _, err = am.Sign(a1, toSign) + if err != ErrLocked { + t.Fatal(err) + } + + // Signing with passphrase works + _, err = am.SignLocked(a1, pass, toSign) + if err != nil { + t.Fatal(err) + } + + // Signing without passphrase works because account is temp unlocked + _, err = am.Sign(a1, toSign) + if err != nil { + t.Fatal(err) + } + + // Signing without passphrase fails after automatic locking + time.Sleep(time.Millisecond * time.Duration(250)) + + _, err = am.Sign(a1, toSign) + if err != ErrLocked { + t.Fatal(err) + } + // Cleanup accounts, err := am.Accounts() if err != nil { diff --git a/cmd/mist/flags.go b/cmd/mist/flags.go index d5ed60a211..0010df8265 100644 --- a/cmd/mist/flags.go +++ b/cmd/mist/flags.go @@ -27,10 +27,8 @@ import ( "log" "os" "path" - "path/filepath" "runtime" - "bitbucket.org/kardianos/osext" "github.com/ethereum/go-ethereum/crypto" "github.com/ethereum/go-ethereum/ethutil" "github.com/ethereum/go-ethereum/logger" @@ -68,33 +66,6 @@ var ( // flags specific to gui client var AssetPath string - -//TODO: If we re-use the one defined in cmd.go the binary osx image crashes. If somebody finds out why we can dry this up. -func defaultAssetPath() string { - var assetPath string - // If the current working directory is the go-ethereum dir - // assume a debug build and use the source directory as - // asset directory. - pwd, _ := os.Getwd() - if pwd == path.Join(os.Getenv("GOPATH"), "src", "github.com", "ethereum", "go-ethereum", "cmd", "mist") { - assetPath = path.Join(pwd, "assets") - } else { - switch runtime.GOOS { - case "darwin": - // Get Binary Directory - exedir, _ := osext.ExecutableFolder() - assetPath = filepath.Join(exedir, "../Resources") - case "linux": - assetPath = "/usr/share/mist" - case "windows": - assetPath = "./assets" - default: - assetPath = "." - } - } - return assetPath -} - var defaultConfigFile = path.Join(ethutil.DefaultDataDir(), "conf.ini") func Init() { @@ -122,7 +93,7 @@ func Init() { flag.StringVar(&DebugFile, "debug", "", "debug file (no debugging if not set)") flag.IntVar(&LogLevel, "loglevel", int(logger.InfoLevel), "loglevel: 0-5: silent,error,warn,info,debug,debug detail)") - flag.StringVar(&AssetPath, "asset_path", defaultAssetPath(), "absolute path to GUI assets directory") + flag.StringVar(&AssetPath, "asset_path", ethutil.DefaultAssetPath(), "absolute path to GUI assets directory") // Network stuff var ( diff --git a/cmd/utils/cmd.go b/cmd/utils/cmd.go index bc8fafafb2..a36c10e3bf 100644 --- a/cmd/utils/cmd.go +++ b/cmd/utils/cmd.go @@ -25,12 +25,8 @@ import ( "fmt" "os" "os/signal" - "path" - "path/filepath" "regexp" - "runtime" - "bitbucket.org/kardianos/osext" "github.com/ethereum/go-ethereum/core/types" "github.com/ethereum/go-ethereum/crypto" "github.com/ethereum/go-ethereum/eth" @@ -132,31 +128,6 @@ func StartEthereum(ethereum *eth.Ethereum) { }) } -func DefaultAssetPath() string { - var assetPath string - // If the current working directory is the go-ethereum dir - // assume a debug build and use the source directory as - // asset directory. - pwd, _ := os.Getwd() - if pwd == path.Join(os.Getenv("GOPATH"), "src", "github.com", "ethereum", "go-ethereum", "cmd", "mist") { - assetPath = path.Join(pwd, "assets") - } else { - switch runtime.GOOS { - case "darwin": - // Get Binary Directory - exedir, _ := osext.ExecutableFolder() - assetPath = filepath.Join(exedir, "../Resources") - case "linux": - assetPath = "/usr/share/mist" - case "windows": - assetPath = "./assets" - default: - assetPath = "." - } - } - return assetPath -} - func KeyTasks(keyManager *crypto.KeyManager, KeyRing string, GenAddr bool, SecretFile string, ExportDir string, NonInteractive bool) { var err error diff --git a/core/block_processor.go b/core/block_processor.go index fd591a29d8..f66d158b2f 100644 --- a/core/block_processor.go +++ b/core/block_processor.go @@ -62,7 +62,7 @@ func NewBlockProcessor(db ethutil.Database, txpool *TxPool, chainManager *ChainM func (sm *BlockProcessor) TransitionState(statedb *state.StateDB, parent, block *types.Block, transientProcess bool) (receipts types.Receipts, err error) { coinbase := statedb.GetOrNewStateObject(block.Header().Coinbase) - coinbase.SetGasPool(CalcGasLimit(parent, block)) + coinbase.SetGasPool(block.Header().GasLimit) // Process the transactions on to parent state receipts, _, _, _, err = sm.ApplyTransactions(coinbase, statedb, block, block.Transactions(), transientProcess) @@ -247,6 +247,11 @@ func (sm *BlockProcessor) ValidateBlock(block, parent *types.Block) error { return fmt.Errorf("Difficulty check failed for block %v, %v", block.Header().Difficulty, expd) } + expl := CalcGasLimit(parent, block) + if expl.Cmp(block.Header().GasLimit) != 0 { + return fmt.Errorf("GasLimit check failed for block %v, %v", block.Header().GasLimit, expl) + } + if block.Time() < parent.Time() { return ValidationError("Block timestamp not after prev block (%v - %v)", block.Header().Time, parent.Header().Time) } diff --git a/ethutil/common.go b/ethutil/common.go index efc519732c..c4e7415dc1 100644 --- a/ethutil/common.go +++ b/ethutil/common.go @@ -3,12 +3,41 @@ package ethutil import ( "fmt" "math/big" + "os" "os/user" "path" + "path/filepath" "runtime" "time" + + "github.com/kardianos/osext" ) +func DefaultAssetPath() string { + var assetPath string + // If the current working directory is the go-ethereum dir + // assume a debug build and use the source directory as + // asset directory. + pwd, _ := os.Getwd() + if pwd == path.Join(os.Getenv("GOPATH"), "src", "github.com", "ethereum", "go-ethereum", "cmd", "mist") { + assetPath = path.Join(pwd, "assets") + } else { + switch runtime.GOOS { + case "darwin": + // Get Binary Directory + exedir, _ := osext.ExecutableFolder() + assetPath = filepath.Join(exedir, "../Resources") + case "linux": + assetPath = "/usr/share/mist" + case "windows": + assetPath = "./assets" + default: + assetPath = "." + } + } + return assetPath +} + func DefaultDataDir() string { usr, _ := user.Current() if runtime.GOOS == "darwin" { diff --git a/rpc/api.go b/rpc/api.go index f337324d0f..3b4a914efb 100644 --- a/rpc/api.go +++ b/rpc/api.go @@ -51,6 +51,8 @@ type EthereumApi struct { register map[string][]*NewTxArgs db ethutil.Database + + defaultBlockAge int } func NewEthereumApi(eth *xeth.XEth) *EthereumApi { @@ -80,11 +82,9 @@ done: case ev := <-events.Chan(): switch ev.(type) { case core.ChainEvent: - // fixme - const something = 1337 - if something < 0 { + if self.defaultBlockAge < 0 { chain := self.xeth().Backend().ChainManager() - block := chain.GetBlockByNumber(chain.CurrentBlock().Number().Uint64() - something) + block := chain.GetBlockByNumber(chain.CurrentBlock().Number().Uint64() - uint64(self.defaultBlockAge)) if block != nil { statedb := state.New(block.Root(), self.db) self.useState(statedb) @@ -373,6 +373,17 @@ func (p *EthereumApi) SetMining(shouldmine bool, reply *interface{}) error { return nil } +func (p *EthereumApi) GetDefaultBlockAge(reply *interface{}) error { + *reply = p.defaultBlockAge + return nil +} + +func (p *EthereumApi) SetDefaultBlockAge(defaultBlockAge int, reply *interface{}) error { + p.defaultBlockAge = defaultBlockAge + *reply = true + return nil +} + func (p *EthereumApi) BlockNumber(reply *interface{}) error { *reply = p.xeth().Backend().ChainManager().CurrentBlock().Number() return nil @@ -513,6 +524,14 @@ func (p *EthereumApi) GetRequestReply(req *RpcRequest, reply *interface{}) error return err } return p.SetMining(args, reply) + case "eth_defaultBlock": + return p.GetDefaultBlockAge(reply) + case "eth_setDefaultBlock": + args, err := req.ToIntArgs() + if err != nil { + return err + } + return p.SetDefaultBlockAge(args, reply) case "eth_peerCount": return p.GetPeerCount(reply) case "eth_number": diff --git a/rpc/messages.go b/rpc/messages.go index 044f07545d..b37d8229d6 100644 --- a/rpc/messages.go +++ b/rpc/messages.go @@ -210,6 +210,19 @@ func (req *RpcRequest) ToBoolArgs() (bool, error) { return args, nil } +func (req *RpcRequest) ToIntArgs() (int, error) { + if len(req.Params) < 1 { + return 0, errArguments + } + + var args int + if err := json.Unmarshal(req.Params[0], &args); err != nil { + return 0, errArguments + } + + return args, nil +} + func (req *RpcRequest) ToCompileArgs() (string, error) { if len(req.Params) < 1 { return "", errArguments diff --git a/ui/frontend.go b/ui/frontend.go new file mode 100644 index 0000000000..22dc64fdfd --- /dev/null +++ b/ui/frontend.go @@ -0,0 +1,18 @@ +package ui + +// ReturnInterface is returned by the Intercom interface when a method is called +type ReturnInterface interface { + Get(i int) (interface{}, error) + Size() int +} + +// Frontend is the basic interface for calling arbitrary methods on something that +// implements a front end (GUI, CLI, etc) +type Frontend interface { + // Checks whether a specific method is implemented + Supports(method string) bool + // Call calls the given method on interface it implements. This will return + // an error with errNotImplemented if the method hasn't been implemented + // and will return a ReturnInterface if it does. + Call(method string) (ReturnInterface, error) +} diff --git a/xeth/state.go b/xeth/state.go new file mode 100644 index 0000000000..e2562613cf --- /dev/null +++ b/xeth/state.go @@ -0,0 +1,33 @@ +package xeth + +import "github.com/ethereum/go-ethereum/state" + +type State struct { + xeth *XEth + state *state.StateDB +} + +func NewState(xeth *XEth, statedb *state.StateDB) *State { + return &State{xeth, statedb} +} + +func (self *State) State() *state.StateDB { + return self.state +} + +func (self *State) Get(addr string) *Object { + return &Object{self.state.GetStateObject(fromHex(addr))} +} + +func (self *State) SafeGet(addr string) *Object { + return &Object{self.safeGet(addr)} +} + +func (self *State) safeGet(addr string) *state.StateObject { + object := self.state.GetStateObject(fromHex(addr)) + if object == nil { + object = state.NewStateObject(fromHex(addr), self.xeth.eth.Db()) + } + + return object +}