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- // Copyright 2019 The go-ethereum Authors
- // This file is part of the go-ethereum library.
- //
- // The go-ethereum library is free software: you can redistribute it and/or modify
- // it under the terms of the GNU Lesser General Public License as published by
- // the Free Software Foundation, either version 3 of the License, or
- // (at your option) any later version.
- //
- // The go-ethereum 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 Lesser General Public License for more details.
- //
- // You should have received a copy of the GNU Lesser General Public License
- // along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
- package main
- import (
- "encoding/hex"
- "flag"
- "fmt"
- "os"
- "strings"
- "github.com/ethereum/go-ethereum/signer/core"
- "github.com/ethereum/go-ethereum/signer/fourbyte"
- )
- func init() {
- flag.Usage = func() {
- fmt.Fprintln(os.Stderr, "Usage:", os.Args[0], "<hexdata>")
- flag.PrintDefaults()
- fmt.Fprintln(os.Stderr, `
- Parses the given ABI data and tries to interpret it from the fourbyte database.`)
- }
- }
- func parse(data []byte) {
- db, err := fourbyte.New()
- if err != nil {
- die(err)
- }
- messages := core.ValidationMessages{}
- db.ValidateCallData(nil, data, &messages)
- for _, m := range messages.Messages {
- fmt.Printf("%v: %v\n", m.Typ, m.Message)
- }
- }
- // Example
- // ./abidump a9059cbb000000000000000000000000ea0e2dc7d65a50e77fc7e84bff3fd2a9e781ff5c0000000000000000000000000000000000000000000000015af1d78b58c40000
- func main() {
- flag.Parse()
- switch {
- case flag.NArg() == 1:
- hexdata := flag.Arg(0)
- data, err := hex.DecodeString(strings.TrimPrefix(hexdata, "0x"))
- if err != nil {
- die(err)
- }
- parse(data)
- default:
- fmt.Fprintln(os.Stderr, "Error: one argument needed")
- flag.Usage()
- os.Exit(2)
- }
- }
- func die(args ...interface{}) {
- fmt.Fprintln(os.Stderr, args...)
- os.Exit(1)
- }
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