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-rw-r--r--cmd/LICENSE16
-rw-r--r--cmd/bootnode/main.go4
-rw-r--r--cmd/disasm/main.go4
-rw-r--r--cmd/ethtest/main.go4
-rw-r--r--cmd/evm/main.go116
-rw-r--r--cmd/geth/blocktestcmd.go4
-rw-r--r--cmd/geth/chaincmd.go4
-rw-r--r--cmd/geth/js.go4
-rw-r--r--cmd/geth/js_test.go7
-rw-r--r--cmd/geth/main.go10
-rw-r--r--cmd/geth/monitorcmd.go4
-rw-r--r--cmd/rlpdump/main.go4
-rw-r--r--cmd/utils/cmd.go4
-rw-r--r--cmd/utils/customflags.go4
-rw-r--r--cmd/utils/customflags_test.go4
-rw-r--r--cmd/utils/flags.go22
-rw-r--r--cmd/utils/legalese.go16
17 files changed, 145 insertions, 86 deletions
diff --git a/cmd/LICENSE b/cmd/LICENSE
deleted file mode 100644
index 00cdb415d..000000000
--- a/cmd/LICENSE
+++ /dev/null
@@ -1,16 +0,0 @@
-Copyright (c) 2013-2015, The go-ethereum Authors. All rights reserved.
-
-This library is free software; you can redistribute it and/or
-modify it under the terms of the GNU General Public
-License as published by the Free Software Foundation; either
-version 2.1 of the License, or (at your option) any later version.
-
-This library is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-General Public License for more details.
-
-You should have received a copy of the GNU General Public License
-along with this library; if not, write to the Free Software
-Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
-MA 02110-1301 USA
diff --git a/cmd/bootnode/main.go b/cmd/bootnode/main.go
index 397fa099c..0cad5321b 100644
--- a/cmd/bootnode/main.go
+++ b/cmd/bootnode/main.go
@@ -8,11 +8,11 @@
//
// go-ethereum is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
-// along with go-ethereum. If not, see <http://www.gnu.org/licenses/>.
+// along with go-ethereum. If not, see <http://www.gnu.org/licenses/>.
// bootnode runs a bootstrap node for the Ethereum Discovery Protocol.
package main
diff --git a/cmd/disasm/main.go b/cmd/disasm/main.go
index 4bcd8608a..ba1295ba1 100644
--- a/cmd/disasm/main.go
+++ b/cmd/disasm/main.go
@@ -8,11 +8,11 @@
//
// go-ethereum is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
-// along with go-ethereum. If not, see <http://www.gnu.org/licenses/>.
+// along with go-ethereum. If not, see <http://www.gnu.org/licenses/>.
// disasm is a pretty-printer for EVM bytecode.
package main
diff --git a/cmd/ethtest/main.go b/cmd/ethtest/main.go
index 93c3eec7b..5429cab31 100644
--- a/cmd/ethtest/main.go
+++ b/cmd/ethtest/main.go
@@ -8,11 +8,11 @@
//
// go-ethereum is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
-// along with go-ethereum. If not, see <http://www.gnu.org/licenses/>.
+// along with go-ethereum. If not, see <http://www.gnu.org/licenses/>.
// ethtest executes Ethereum JSON tests.
package main
diff --git a/cmd/evm/main.go b/cmd/evm/main.go
index 6420c83be..965994382 100644
--- a/cmd/evm/main.go
+++ b/cmd/evm/main.go
@@ -8,89 +8,139 @@
//
// go-ethereum is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
-// along with go-ethereum. If not, see <http://www.gnu.org/licenses/>.
+// along with go-ethereum. If not, see <http://www.gnu.org/licenses/>.
// evm executes EVM code snippets.
package main
import (
- "flag"
"fmt"
- "log"
"math/big"
"os"
"runtime"
"time"
+ "github.com/codegangsta/cli"
+ "github.com/ethereum/go-ethereum/cmd/utils"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/core"
"github.com/ethereum/go-ethereum/core/state"
"github.com/ethereum/go-ethereum/core/types"
"github.com/ethereum/go-ethereum/core/vm"
"github.com/ethereum/go-ethereum/ethdb"
- "github.com/ethereum/go-ethereum/logger"
)
var (
- code = flag.String("code", "", "evm code")
- loglevel = flag.Int("log", 4, "log level")
- gas = flag.String("gas", "1000000000", "gas amount")
- price = flag.String("price", "0", "gas price")
- value = flag.String("value", "0", "tx value")
- dump = flag.Bool("dump", false, "dump state after run")
- data = flag.String("data", "", "data")
+ app *cli.App
+ DebugFlag = cli.BoolFlag{
+ Name: "debug",
+ Usage: "output full trace logs",
+ }
+ CodeFlag = cli.StringFlag{
+ Name: "code",
+ Usage: "EVM code",
+ }
+ GasFlag = cli.StringFlag{
+ Name: "gas",
+ Usage: "gas limit for the evm",
+ Value: "10000000000",
+ }
+ PriceFlag = cli.StringFlag{
+ Name: "price",
+ Usage: "price set for the evm",
+ Value: "0",
+ }
+ ValueFlag = cli.StringFlag{
+ Name: "value",
+ Usage: "value set for the evm",
+ Value: "0",
+ }
+ DumpFlag = cli.BoolFlag{
+ Name: "dump",
+ Usage: "dumps the state after the run",
+ }
+ InputFlag = cli.StringFlag{
+ Name: "input",
+ Usage: "input for the EVM",
+ }
+ SysStatFlag = cli.BoolFlag{
+ Name: "sysstat",
+ Usage: "display system stats",
+ }
)
-func perr(v ...interface{}) {
- fmt.Println(v...)
- //os.Exit(1)
+func init() {
+ app = utils.NewApp("0.2", "the evm command line interface")
+ app.Flags = []cli.Flag{
+ DebugFlag,
+ SysStatFlag,
+ CodeFlag,
+ GasFlag,
+ PriceFlag,
+ ValueFlag,
+ DumpFlag,
+ InputFlag,
+ }
+ app.Action = run
}
-func main() {
- flag.Parse()
-
- logger.AddLogSystem(logger.NewStdLogSystem(os.Stdout, log.LstdFlags, logger.LogLevel(*loglevel)))
+func run(ctx *cli.Context) {
+ vm.Debug = ctx.GlobalBool(DebugFlag.Name)
- 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))
+ receiver.SetCode(common.Hex2Bytes(ctx.GlobalString(CodeFlag.Name)))
- vmenv := NewEnv(statedb, common.StringToAddress("evmuser"), common.Big(*value))
+ 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)
- 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)
+ fmt.Println(e)
+ os.Exit(1)
}
- if *dump {
+ if ctx.GlobalBool(DumpFlag.Name) {
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
+ 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("%x\n", ret)
+ fmt.Printf("OUT: 0x%x\n", ret)
+}
+
+func main() {
+ if err := app.Run(os.Args); err != nil {
+ fmt.Fprintln(os.Stderr, err)
+ os.Exit(1)
+ }
}
type VMEnv struct {
diff --git a/cmd/geth/blocktestcmd.go b/cmd/geth/blocktestcmd.go
index 494a4d474..4eff82e3d 100644
--- a/cmd/geth/blocktestcmd.go
+++ b/cmd/geth/blocktestcmd.go
@@ -8,11 +8,11 @@
//
// go-ethereum is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
-// along with go-ethereum. If not, see <http://www.gnu.org/licenses/>.
+// along with go-ethereum. If not, see <http://www.gnu.org/licenses/>.
package main
diff --git a/cmd/geth/chaincmd.go b/cmd/geth/chaincmd.go
index b23a74809..2d8eb15c2 100644
--- a/cmd/geth/chaincmd.go
+++ b/cmd/geth/chaincmd.go
@@ -8,11 +8,11 @@
//
// go-ethereum is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
-// along with go-ethereum. If not, see <http://www.gnu.org/licenses/>.
+// along with go-ethereum. If not, see <http://www.gnu.org/licenses/>.
package main
diff --git a/cmd/geth/js.go b/cmd/geth/js.go
index cc4c14c2e..b856e837b 100644
--- a/cmd/geth/js.go
+++ b/cmd/geth/js.go
@@ -8,11 +8,11 @@
//
// go-ethereum is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
-// along with go-ethereum. If not, see <http://www.gnu.org/licenses/>.
+// along with go-ethereum. If not, see <http://www.gnu.org/licenses/>.
package main
diff --git a/cmd/geth/js_test.go b/cmd/geth/js_test.go
index ffd164d27..67c36dfe7 100644
--- a/cmd/geth/js_test.go
+++ b/cmd/geth/js_test.go
@@ -8,11 +8,11 @@
//
// go-ethereum is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
-// along with go-ethereum. If not, see <http://www.gnu.org/licenses/>.
+// along with go-ethereum. If not, see <http://www.gnu.org/licenses/>.
package main
@@ -159,7 +159,7 @@ func TestAccounts(t *testing.T) {
defer os.RemoveAll(tmp)
checkEvalJSON(t, repl, `eth.accounts`, `["`+testAddress+`"]`)
- checkEvalJSON(t, repl, `eth.coinbase`, `null`)
+ checkEvalJSON(t, repl, `eth.coinbase`, `"`+testAddress+`"`)
val, err := repl.re.Run(`personal.newAccount("password")`)
if err != nil {
t.Errorf("expected no error, got %v", err)
@@ -170,6 +170,7 @@ func TestAccounts(t *testing.T) {
}
checkEvalJSON(t, repl, `eth.accounts`, `["`+testAddress+`","`+addr+`"]`)
+
}
func TestBlockChain(t *testing.T) {
diff --git a/cmd/geth/main.go b/cmd/geth/main.go
index a8649a304..68a2c79e2 100644
--- a/cmd/geth/main.go
+++ b/cmd/geth/main.go
@@ -8,11 +8,11 @@
//
// go-ethereum is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
-// along with go-ethereum. If not, see <http://www.gnu.org/licenses/>.
+// along with go-ethereum. If not, see <http://www.gnu.org/licenses/>.
// geth is the official command-line client for Ethereum.
package main
@@ -49,7 +49,7 @@ import (
const (
ClientIdentifier = "Geth"
- Version = "0.9.39"
+ Version = "1.0.0"
)
var (
@@ -276,11 +276,11 @@ JavaScript API. See https://github.com/ethereum/go-ethereum/wiki/Javascipt-Conso
utils.IdentityFlag,
utils.UnlockedAccountFlag,
utils.PasswordFileFlag,
- utils.GenesisNonceFlag,
utils.GenesisFileFlag,
utils.BootnodesFlag,
utils.DataDirFlag,
utils.BlockchainVersionFlag,
+ utils.CacheFlag,
utils.JSpathFlag,
utils.ListenPortFlag,
utils.MaxPeersFlag,
@@ -501,7 +501,7 @@ func blockRecovery(ctx *cli.Context) {
cfg := utils.MakeEthConfig(ClientIdentifier, nodeNameVersion, ctx)
utils.CheckLegalese(cfg.DataDir)
- blockDb, err := ethdb.NewLDBDatabase(filepath.Join(cfg.DataDir, "blockchain"))
+ blockDb, err := ethdb.NewLDBDatabase(filepath.Join(cfg.DataDir, "blockchain"), cfg.DatabaseCache)
if err != nil {
glog.Fatalln("could not open db:", err)
}
diff --git a/cmd/geth/monitorcmd.go b/cmd/geth/monitorcmd.go
index affe3b75d..a7c099532 100644
--- a/cmd/geth/monitorcmd.go
+++ b/cmd/geth/monitorcmd.go
@@ -8,11 +8,11 @@
//
// go-ethereum is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
-// along with go-ethereum. If not, see <http://www.gnu.org/licenses/>.
+// along with go-ethereum. If not, see <http://www.gnu.org/licenses/>.
package main
diff --git a/cmd/rlpdump/main.go b/cmd/rlpdump/main.go
index 2f74c073d..10eea1fde 100644
--- a/cmd/rlpdump/main.go
+++ b/cmd/rlpdump/main.go
@@ -8,11 +8,11 @@
//
// go-ethereum is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
-// along with go-ethereum. If not, see <http://www.gnu.org/licenses/>.
+// along with go-ethereum. If not, see <http://www.gnu.org/licenses/>.
// rlpdump is a pretty-printer for RLP data.
package main
diff --git a/cmd/utils/cmd.go b/cmd/utils/cmd.go
index d513778f8..d9c4b6da5 100644
--- a/cmd/utils/cmd.go
+++ b/cmd/utils/cmd.go
@@ -8,11 +8,11 @@
//
// go-ethereum is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
-// along with go-ethereum. If not, see <http://www.gnu.org/licenses/>.
+// along with go-ethereum. If not, see <http://www.gnu.org/licenses/>.
// Package utils contains internal helper functions for go-ethereum commands.
package utils
diff --git a/cmd/utils/customflags.go b/cmd/utils/customflags.go
index 6aeec448c..e7efed4e3 100644
--- a/cmd/utils/customflags.go
+++ b/cmd/utils/customflags.go
@@ -8,11 +8,11 @@
//
// go-ethereum is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
-// along with go-ethereum. If not, see <http://www.gnu.org/licenses/>.
+// along with go-ethereum. If not, see <http://www.gnu.org/licenses/>.
package utils
diff --git a/cmd/utils/customflags_test.go b/cmd/utils/customflags_test.go
index 726d1ab47..0fb0af63b 100644
--- a/cmd/utils/customflags_test.go
+++ b/cmd/utils/customflags_test.go
@@ -8,11 +8,11 @@
//
// go-ethereum is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
-// along with go-ethereum. If not, see <http://www.gnu.org/licenses/>.
+// along with go-ethereum. If not, see <http://www.gnu.org/licenses/>.
package utils
diff --git a/cmd/utils/flags.go b/cmd/utils/flags.go
index 73bdb935a..b66fe24cc 100644
--- a/cmd/utils/flags.go
+++ b/cmd/utils/flags.go
@@ -8,11 +8,11 @@
//
// go-ethereum is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
-// along with go-ethereum. If not, see <http://www.gnu.org/licenses/>.
+// along with go-ethereum. If not, see <http://www.gnu.org/licenses/>.
package utils
@@ -126,6 +126,11 @@ var (
Name: "natspec",
Usage: "Enable NatSpec confirmation notice",
}
+ CacheFlag = cli.IntFlag{
+ Name: "cache",
+ Usage: "Megabytes of memory allocated to internal caching",
+ Value: 0,
+ }
// miner settings
MinerThreadsFlag = cli.IntFlag{
@@ -149,7 +154,7 @@ var (
GasPriceFlag = cli.StringFlag{
Name: "gasprice",
Usage: "Sets the minimal gasprice when mining transactions",
- Value: new(big.Int).Mul(big.NewInt(1), common.Szabo).String(),
+ Value: new(big.Int).Mul(big.NewInt(500), common.Shannon).String(),
}
UnlockedAccountFlag = cli.StringFlag{
@@ -384,6 +389,7 @@ func MakeEthConfig(clientID, version string, ctx *cli.Context) *eth.Config {
GenesisNonce: ctx.GlobalInt(GenesisNonceFlag.Name),
GenesisFile: ctx.GlobalString(GenesisFileFlag.Name),
BlockChainVersion: ctx.GlobalInt(BlockchainVersionFlag.Name),
+ DatabaseCache: ctx.GlobalInt(CacheFlag.Name),
SkipBcVersionCheck: false,
NetworkId: ctx.GlobalInt(NetworkIdFlag.Name),
LogFile: ctx.GlobalString(LogFileFlag.Name),
@@ -425,15 +431,17 @@ func SetupLogger(ctx *cli.Context) {
// MakeChain creates a chain manager from set command line flags.
func MakeChain(ctx *cli.Context) (chain *core.ChainManager, blockDB, stateDB, extraDB common.Database) {
- dd := ctx.GlobalString(DataDirFlag.Name)
+ datadir := ctx.GlobalString(DataDirFlag.Name)
+ cache := ctx.GlobalInt(CacheFlag.Name)
+
var err error
- if blockDB, err = ethdb.NewLDBDatabase(filepath.Join(dd, "blockchain")); err != nil {
+ if blockDB, err = ethdb.NewLDBDatabase(filepath.Join(datadir, "blockchain"), cache); err != nil {
Fatalf("Could not open database: %v", err)
}
- if stateDB, err = ethdb.NewLDBDatabase(filepath.Join(dd, "state")); err != nil {
+ if stateDB, err = ethdb.NewLDBDatabase(filepath.Join(datadir, "state"), cache); err != nil {
Fatalf("Could not open database: %v", err)
}
- if extraDB, err = ethdb.NewLDBDatabase(filepath.Join(dd, "extra")); err != nil {
+ if extraDB, err = ethdb.NewLDBDatabase(filepath.Join(datadir, "extra"), cache); err != nil {
Fatalf("Could not open database: %v", err)
}
diff --git a/cmd/utils/legalese.go b/cmd/utils/legalese.go
index 70f319454..09e687c17 100644
--- a/cmd/utils/legalese.go
+++ b/cmd/utils/legalese.go
@@ -1,3 +1,19 @@
+// Copyright 2015 The go-ethereum Authors
+// This file is part of go-ethereum.
+//
+// go-ethereum is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// go-ethereum is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with go-ethereum. If not, see <http://www.gnu.org/licenses/>.
+
package utils
const (