go-ethereum/common/debug.go

// Copyright 2015 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 Lesser 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 Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with go-ethereum.  If not, see <http://www.gnu.org/licenses/>.

package common

import (
	"fmt"
	"os"
	"runtime"
	"runtime/debug"
)

func Report(extra ...interface{}) {
	fmt.Fprintln(os.Stderr, "You've encountered a sought after, hard to reproduce bug. Please report this to the developers <3 https://github.com/ethereum/go-ethereum/issues")
	fmt.Fprintln(os.Stderr, extra...)

	_, file, line, _ := runtime.Caller(1)
	fmt.Fprintf(os.Stderr, "%v:%v\n", file, line)

	debug.PrintStack()

	fmt.Fprintln(os.Stderr, "#### BUG! PLEASE REPORT ####")
}