github.com/devfans/go-ethereum@v1.5.10-0.20170326212234-7419d0c38291/cmd/evm/main.go (about)

     1  // Copyright 2014 The go-ethereum Authors
     2  // This file is part of go-ethereum.
     3  //
     4  // go-ethereum is free software: you can redistribute it and/or modify
     5  // it under the terms of the GNU General Public License as published by
     6  // the Free Software Foundation, either version 3 of the License, or
     7  // (at your option) any later version.
     8  //
     9  // go-ethereum is distributed in the hope that it will be useful,
    10  // but WITHOUT ANY WARRANTY; without even the implied warranty of
    11  // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
    12  // GNU General Public License for more details.
    13  //
    14  // You should have received a copy of the GNU General Public License
    15  // along with go-ethereum. If not, see <http://www.gnu.org/licenses/>.
    16  
    17  // evm executes EVM code snippets.
    18  package main
    19  
    20  import (
    21  	"fmt"
    22  	"math/big"
    23  	"os"
    24  
    25  	"github.com/ethereum/go-ethereum/cmd/utils"
    26  	"gopkg.in/urfave/cli.v1"
    27  )
    28  
    29  var gitCommit = "" // Git SHA1 commit hash of the release (set via linker flags)
    30  
    31  var (
    32  	app = utils.NewApp(gitCommit, "the evm command line interface")
    33  
    34  	DebugFlag = cli.BoolFlag{
    35  		Name:  "debug",
    36  		Usage: "output full trace logs",
    37  	}
    38  	CodeFlag = cli.StringFlag{
    39  		Name:  "code",
    40  		Usage: "EVM code",
    41  	}
    42  	CodeFileFlag = cli.StringFlag{
    43  		Name:  "codefile",
    44  		Usage: "file containing EVM code",
    45  	}
    46  	GasFlag = cli.Uint64Flag{
    47  		Name:  "gas",
    48  		Usage: "gas limit for the evm",
    49  		Value: 10000000000,
    50  	}
    51  	PriceFlag = utils.BigFlag{
    52  		Name:  "price",
    53  		Usage: "price set for the evm",
    54  		Value: new(big.Int),
    55  	}
    56  	ValueFlag = utils.BigFlag{
    57  		Name:  "value",
    58  		Usage: "value set for the evm",
    59  		Value: new(big.Int),
    60  	}
    61  	DumpFlag = cli.BoolFlag{
    62  		Name:  "dump",
    63  		Usage: "dumps the state after the run",
    64  	}
    65  	InputFlag = cli.StringFlag{
    66  		Name:  "input",
    67  		Usage: "input for the EVM",
    68  	}
    69  	VerbosityFlag = cli.IntFlag{
    70  		Name:  "verbosity",
    71  		Usage: "sets the verbosity level",
    72  	}
    73  	CreateFlag = cli.BoolFlag{
    74  		Name:  "create",
    75  		Usage: "indicates the action should be create rather than call",
    76  	}
    77  	DisableGasMeteringFlag = cli.BoolFlag{
    78  		Name:  "nogasmetering",
    79  		Usage: "disable gas metering",
    80  	}
    81  )
    82  
    83  func init() {
    84  	app.Flags = []cli.Flag{
    85  		CreateFlag,
    86  		DebugFlag,
    87  		VerbosityFlag,
    88  		CodeFlag,
    89  		CodeFileFlag,
    90  		GasFlag,
    91  		PriceFlag,
    92  		ValueFlag,
    93  		DumpFlag,
    94  		InputFlag,
    95  		DisableGasMeteringFlag,
    96  	}
    97  	app.Commands = []cli.Command{
    98  		compileCommand,
    99  		disasmCommand,
   100  		runCommand,
   101  	}
   102  }
   103  
   104  func main() {
   105  	if err := app.Run(os.Args); err != nil {
   106  		fmt.Fprintln(os.Stderr, err)
   107  		os.Exit(1)
   108  	}
   109  }