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75 lines
2.0 KiB
Go
75 lines
2.0 KiB
Go
// Copyright 2019 The go-ethereum Authors
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// This file is part of the go-ethereum library.
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//
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// The go-ethereum library is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Lesser General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// The go-ethereum library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public License
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// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
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package main
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import (
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"encoding/hex"
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"flag"
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"fmt"
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"os"
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"strings"
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"github.com/ethereum/go-ethereum/signer/core"
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"github.com/ethereum/go-ethereum/signer/fourbyte"
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)
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func init() {
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flag.Usage = func() {
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fmt.Fprintln(os.Stderr, "Usage:", os.Args[0], "<hexdata>")
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flag.PrintDefaults()
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fmt.Fprintln(os.Stderr, `
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Parses the given ABI data and tries to interpret it from the fourbyte database.`)
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}
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}
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func parse(data []byte) {
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db, err := fourbyte.New()
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if err != nil {
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die(err)
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}
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messages := core.ValidationMessages{}
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db.ValidateCallData(nil, data, &messages)
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for _, m := range messages.Messages {
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fmt.Printf("%v: %v\n", m.Typ, m.Message)
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}
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}
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// Example
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// ./abidump a9059cbb000000000000000000000000ea0e2dc7d65a50e77fc7e84bff3fd2a9e781ff5c0000000000000000000000000000000000000000000000015af1d78b58c40000
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func main() {
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flag.Parse()
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switch {
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case flag.NArg() == 1:
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hexdata := flag.Arg(0)
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data, err := hex.DecodeString(strings.TrimPrefix(hexdata, "0x"))
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if err != nil {
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die(err)
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}
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parse(data)
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default:
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fmt.Fprintln(os.Stderr, "Error: one argument needed")
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flag.Usage()
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os.Exit(2)
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}
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}
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func die(args ...interface{}) {
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fmt.Fprintln(os.Stderr, args...)
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os.Exit(1)
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}
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