// Copyright 2017 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 . package main import ( "errors" "fmt" "os" "strings" "github.com/urfave/cli/v2" "github.com/ledgerwatch/erigon/core/asm" ) var disasmCommand = cli.Command{ Action: disasmCmd, Name: "disasm", Usage: "disassembles evm binary", ArgsUsage: "", } func disasmCmd(ctx *cli.Context) error { var in string switch { case len(ctx.Args().First()) > 0: fn := ctx.Args().First() input, err := os.ReadFile(fn) if err != nil { return err } in = string(input) case ctx.IsSet(InputFlag.Name): in = ctx.String(InputFlag.Name) default: return errors.New("missing filename or --input value") } code := strings.TrimSpace(in) fmt.Printf("%v\n", code) return asm.PrintDisassembled(code) }