github.com/sakundi/go-ethereum@v1.9.7/cmd/ethkey/message_test.go (about)

     1  // Copyright 2018 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  package main
    18  
    19  import (
    20  	"io/ioutil"
    21  	"os"
    22  	"path/filepath"
    23  	"testing"
    24  )
    25  
    26  func TestMessageSignVerify(t *testing.T) {
    27  	tmpdir, err := ioutil.TempDir("", "ethkey-test")
    28  	if err != nil {
    29  		t.Fatal("Can't create temporary directory:", err)
    30  	}
    31  	defer os.RemoveAll(tmpdir)
    32  
    33  	keyfile := filepath.Join(tmpdir, "the-keyfile")
    34  	message := "test message"
    35  
    36  	// Create the key.
    37  	generate := runEthkey(t, "generate", keyfile)
    38  	generate.Expect(`
    39  !! Unsupported terminal, password will be echoed.
    40  Password: {{.InputLine "foobar"}}
    41  Repeat password: {{.InputLine "foobar"}}
    42  `)
    43  	_, matches := generate.ExpectRegexp(`Address: (0x[0-9a-fA-F]{40})\n`)
    44  	address := matches[1]
    45  	generate.ExpectExit()
    46  
    47  	// Sign a message.
    48  	sign := runEthkey(t, "signmessage", keyfile, message)
    49  	sign.Expect(`
    50  !! Unsupported terminal, password will be echoed.
    51  Password: {{.InputLine "foobar"}}
    52  `)
    53  	_, matches = sign.ExpectRegexp(`Signature: ([0-9a-f]+)\n`)
    54  	signature := matches[1]
    55  	sign.ExpectExit()
    56  
    57  	// Verify the message.
    58  	verify := runEthkey(t, "verifymessage", address, signature, message)
    59  	_, matches = verify.ExpectRegexp(`
    60  Signature verification successful!
    61  Recovered public key: [0-9a-f]+
    62  Recovered address: (0x[0-9a-fA-F]{40})
    63  `)
    64  	recovered := matches[1]
    65  	verify.ExpectExit()
    66  
    67  	if recovered != address {
    68  		t.Error("recovered address doesn't match generated key")
    69  	}
    70  }