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// Copyright 2018 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 <http://www.gnu.org/licenses/>.
package main
import (
"path/filepath"
"testing"
)
func TestMessageSignVerify(t *testing.T) {
tmpdir := t.TempDir()
keyfile := filepath.Join(tmpdir, "the-keyfile")
message := "test message"
// Create the key.
generate := runEthkey(t, "generate", "--lightkdf", keyfile)
generate.Expect(`
!! Unsupported terminal, password will be echoed.
Password: {{.InputLine "foobar"}}
Repeat password: {{.InputLine "foobar"}}
`)
_, matches := generate.ExpectRegexp(`Address: (0x[0-9a-fA-F]{40})\n`)
address := matches[1]
generate.ExpectExit()
// Sign a message.
sign := runEthkey(t, "signmessage", keyfile, message)
sign.Expect(`
!! Unsupported terminal, password will be echoed.
Password: {{.InputLine "foobar"}}
`)
_, matches = sign.ExpectRegexp(`Signature: ([0-9a-f]+)\n`)
signature := matches[1]
sign.ExpectExit()
// Verify the message.
verify := runEthkey(t, "verifymessage", address, signature, message)
_, matches = verify.ExpectRegexp(`
Signature verification successful!
Recovered public key: [0-9a-f]+
Recovered address: (0x[0-9a-fA-F]{40})
`)
recovered := matches[1]
verify.ExpectExit()
if recovered != address {
t.Error("recovered address doesn't match generated key")
}
}