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// Copyright 2016 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library 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.
//
// The go-ethereum library 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 the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
package eth
import (
"bytes"
"encoding/json"
"fmt"
"net/http"
"time"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/core/types"
"github.com/ethereum/go-ethereum/logger"
"github.com/ethereum/go-ethereum/logger/glog"
"github.com/ethereum/go-ethereum/rlp"
)
const (
// The Ethereum main network genesis block.
defaultGenesisHash = "0xd4e56740f876aef8c010b86a40d5f56745a118d0906a34e69aec8c0db1cb8fa3"
badBlocksURL = "https://badblocks.ethdev.com"
)
var EnableBadBlockReporting = false
func sendBadBlockReport(block *types.Block, err error) {
if !EnableBadBlockReporting {
return
}
var (
blockRLP, _ = rlp.EncodeToBytes(block)
params = map[string]interface{}{
"block": common.Bytes2Hex(blockRLP),
"blockHash": block.Hash().Hex(),
"errortype": err.Error(),
"client": "go",
}
)
if !block.ReceivedAt.IsZero() {
params["receivedAt"] = block.ReceivedAt.UTC().String()
}
if p, ok := block.ReceivedFrom.(*peer); ok {
params["receivedFrom"] = map[string]interface{}{
"enode": fmt.Sprintf("enode://%x@%v", p.ID(), p.RemoteAddr()),
"name": p.Name(),
"protocolVersion": p.version,
}
}
jsonStr, _ := json.Marshal(map[string]interface{}{"method": "eth_badBlock", "id": "1", "jsonrpc": "2.0", "params": []interface{}{params}})
client := http.Client{Timeout: 8 * time.Second}
resp, err := client.Post(badBlocksURL, "application/json", bytes.NewReader(jsonStr))
if err != nil {
glog.V(logger.Debug).Infoln(err)
return
}
glog.V(logger.Debug).Infof("Bad Block Report posted (%d)", resp.StatusCode)
resp.Body.Close()
}
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