96 lines
2.5 KiB
Go
96 lines
2.5 KiB
Go
// Copyright 2017 The go-ethereum Authors
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// This file is part of go-ethereum.
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//
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// go-ethereum is free software: you can redistribute it and/or modify
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// it under the terms of the GNU 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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// go-ethereum 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 General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with go-ethereum. 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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"fmt"
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"os"
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"github.com/ethereum/go-ethereum/accounts/keystore"
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"github.com/ethereum/go-ethereum/cmd/utils"
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"github.com/ethereum/go-ethereum/crypto"
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"github.com/urfave/cli/v2"
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)
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type outputInspect struct {
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Address string
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PublicKey string
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PrivateKey string
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}
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var (
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privateFlag = &cli.BoolFlag{
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Name: "private",
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Usage: "include the private key in the output",
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}
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)
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var commandInspect = &cli.Command{
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Name: "inspect",
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Usage: "inspect a keyfile",
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ArgsUsage: "<keyfile>",
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Description: `
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Print various information about the keyfile.
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Private key information can be printed by using the --private flag;
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make sure to use this feature with great caution!`,
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Flags: []cli.Flag{
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passphraseFlag,
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jsonFlag,
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privateFlag,
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},
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Action: func(ctx *cli.Context) error {
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keyfilepath := ctx.Args().First()
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// Read key from file.
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keyjson, err := os.ReadFile(keyfilepath)
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if err != nil {
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utils.Fatalf("Failed to read the keyfile at '%s': %v", keyfilepath, err)
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}
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// Decrypt key with passphrase.
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passphrase := getPassphrase(ctx, false)
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key, err := keystore.DecryptKey(keyjson, passphrase)
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if err != nil {
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utils.Fatalf("Error decrypting key: %v", err)
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}
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// Output all relevant information we can retrieve.
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showPrivate := ctx.Bool(privateFlag.Name)
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out := outputInspect{
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Address: key.Address.Hex(),
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PublicKey: hex.EncodeToString(
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crypto.FromECDSAPub(&key.PrivateKey.PublicKey)),
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}
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if showPrivate {
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out.PrivateKey = hex.EncodeToString(crypto.FromECDSA(key.PrivateKey))
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}
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if ctx.Bool(jsonFlag.Name) {
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mustPrintJSON(out)
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} else {
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fmt.Println("Address: ", out.Address)
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fmt.Println("Public key: ", out.PublicKey)
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if showPrivate {
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fmt.Println("Private key: ", out.PrivateKey)
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}
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}
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return nil
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},
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}
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