eth: enable bad block reports
We used to have reporting of bad blocks, but it was disabled before the Frontier release. We need it back because users are usually unable to provide the full RLP data of a bad block when it occurs. A shortcoming of this particular implementation is that the origin peer is not tracked for blocks received during eth/63 sync. No origin peer info is still better than no report at all though.
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5bcdbb1ce4
Коммит
ca18202eb9
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@ -244,6 +244,12 @@ JavaScript API. See https://github.com/ethereum/go-ethereum/wiki/Javascipt-Conso
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// Start system runtime metrics collection
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go metrics.CollectProcessMetrics(3 * time.Second)
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// This should be the only place where reporting is enabled
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// because it is not intended to run while testing.
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// In addition to this check, bad block reports are sent only
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// for chains with the main network genesis block and network id 1.
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eth.EnableBadBlockReporting = true
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utils.SetupNetwork(ctx)
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// Deprecation warning.
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@ -1,72 +0,0 @@
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// Copyright 2015 The go-ethereum Authors
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// This file is part of the go-ethereum library.
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//
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// The go-ethereum library is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Lesser 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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// The go-ethereum library 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 Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public License
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// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
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package core
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import (
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"bytes"
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"encoding/json"
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"io/ioutil"
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"net/http"
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"github.com/ethereum/go-ethereum/common"
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"github.com/ethereum/go-ethereum/core/types"
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"github.com/ethereum/go-ethereum/logger"
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"github.com/ethereum/go-ethereum/logger/glog"
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"github.com/ethereum/go-ethereum/rlp"
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)
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// DisabledBadBlockReporting can be set to prevent blocks being reported.
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var DisableBadBlockReporting = true
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// ReportBlock reports the block to the block reporting tool found at
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// badblocks.ethdev.com
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func ReportBlock(block *types.Block, err error) {
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if DisableBadBlockReporting {
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return
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}
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const url = "https://badblocks.ethdev.com"
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blockRlp, _ := rlp.EncodeToBytes(block)
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data := map[string]interface{}{
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"block": common.Bytes2Hex(blockRlp),
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"errortype": err.Error(),
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"hints": map[string]interface{}{
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"receipts": "NYI",
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"vmtrace": "NYI",
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},
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}
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jsonStr, _ := json.Marshal(map[string]interface{}{"method": "eth_badBlock", "params": []interface{}{data}, "id": "1", "jsonrpc": "2.0"})
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req, err := http.NewRequest("POST", url, bytes.NewBuffer(jsonStr))
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req.Header.Set("Content-Type", "application/json")
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client := &http.Client{}
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resp, err := client.Do(req)
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if err != nil {
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glog.V(logger.Error).Infoln("POST err:", err)
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return
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}
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defer resp.Body.Close()
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if glog.V(logger.Debug) {
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glog.Infoln("response Status:", resp.Status)
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glog.Infoln("response Headers:", resp.Header)
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body, _ := ioutil.ReadAll(resp.Body)
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glog.Infoln("response Body:", string(body))
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}
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}
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@ -1117,15 +1117,12 @@ func (self *BlockChain) update() {
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}
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}
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// reportBlock reports the given block and error using the canonical block
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// reporting tool. Reporting the block to the service is handled in a separate
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// goroutine.
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// reportBlock logs a bad block error.
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func reportBlock(block *types.Block, err error) {
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if glog.V(logger.Error) {
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glog.Errorf("Bad block #%v (%s)\n", block.Number(), block.Hash().Hex())
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glog.Errorf(" %v", err)
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}
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go ReportBlock(block, err)
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}
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// InsertHeaderChain attempts to insert the given header chain in to the local
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@ -141,8 +141,10 @@ type Block struct {
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// of the chain up to and including the block.
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td *big.Int
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// ReceivedAt is used by package eth to track block propagation time.
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ReceivedAt time.Time
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// These fields are used by package eth to track
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// inter-peer block relay.
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ReceivedAt time.Time
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ReceivedFrom interface{}
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}
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// DeprecatedTd is an old relic for extracting the TD of a block. It is in the
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@ -0,0 +1,74 @@
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// Copyright 2015 The go-ethereum Authors
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// This file is part of the go-ethereum library.
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//
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// The go-ethereum library is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Lesser 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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// The go-ethereum library 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 Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public License
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// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
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package eth
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import (
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"bytes"
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"encoding/json"
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"fmt"
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"net/http"
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"time"
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"github.com/ethereum/go-ethereum/common"
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"github.com/ethereum/go-ethereum/core/types"
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"github.com/ethereum/go-ethereum/logger"
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"github.com/ethereum/go-ethereum/logger/glog"
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"github.com/ethereum/go-ethereum/rlp"
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)
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const (
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// The Ethereum main network genesis block.
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defaultGenesisHash = "0xd4e56740f876aef8c010b86a40d5f56745a118d0906a34e69aec8c0db1cb8fa3"
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badBlocksURL = "https://badblocks.ethdev.com"
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)
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var EnableBadBlockReporting = false
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func sendBadBlockReport(block *types.Block, err error) {
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if !EnableBadBlockReporting {
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return
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}
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var (
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blockRLP, _ = rlp.EncodeToBytes(block)
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params = map[string]interface{}{
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"block": common.Bytes2Hex(blockRLP),
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"blockHash": block.Hash().Hex(),
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"errortype": err.Error(),
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"client": "go",
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}
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)
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if !block.ReceivedAt.IsZero() {
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params["receivedAt"] = block.ReceivedAt.UTC().String()
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}
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if p, ok := block.ReceivedFrom.(*peer); ok {
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params["receivedFrom"] = map[string]interface{}{
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"enode": fmt.Sprintf("enode://%x@%v", p.ID(), p.RemoteAddr()),
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"name": p.Name(),
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"protocolVersion": p.version,
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}
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}
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jsonStr, _ := json.Marshal(map[string]interface{}{"method": "eth_badBlock", "id": "1", "jsonrpc": "2.0", "params": []interface{}{params}})
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client := http.Client{Timeout: 8 * time.Second}
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resp, err := client.Post(badBlocksURL, "application/json", bytes.NewReader(jsonStr))
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if err != nil {
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glog.V(logger.Debug).Infoln(err)
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return
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}
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glog.V(logger.Debug).Infof("Bad Block Report posted (%d)", resp.StatusCode)
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resp.Body.Close()
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}
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@ -83,6 +83,8 @@ type ProtocolManager struct {
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// wait group is used for graceful shutdowns during downloading
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// and processing
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wg sync.WaitGroup
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badBlockReportingEnabled bool
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}
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// NewProtocolManager returns a new ethereum sub protocol manager. The Ethereum sub protocol manages peers capable
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@ -150,7 +152,7 @@ func NewProtocolManager(config *core.ChainConfig, fastSync bool, networkId int,
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// Construct the different synchronisation mechanisms
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manager.downloader = downloader.New(chaindb, manager.eventMux, blockchain.HasHeader, blockchain.HasBlockAndState, blockchain.GetHeader,
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blockchain.GetBlock, blockchain.CurrentHeader, blockchain.CurrentBlock, blockchain.CurrentFastBlock, blockchain.FastSyncCommitHead,
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blockchain.GetTd, blockchain.InsertHeaderChain, blockchain.InsertChain, blockchain.InsertReceiptChain, blockchain.Rollback,
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blockchain.GetTd, blockchain.InsertHeaderChain, manager.insertChain, blockchain.InsertReceiptChain, blockchain.Rollback,
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manager.removePeer)
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validator := func(block *types.Block, parent *types.Block) error {
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@ -159,11 +161,24 @@ func NewProtocolManager(config *core.ChainConfig, fastSync bool, networkId int,
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heighter := func() uint64 {
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return blockchain.CurrentBlock().NumberU64()
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}
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manager.fetcher = fetcher.New(blockchain.GetBlock, validator, manager.BroadcastBlock, heighter, blockchain.InsertChain, manager.removePeer)
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manager.fetcher = fetcher.New(blockchain.GetBlock, validator, manager.BroadcastBlock, heighter, manager.insertChain, manager.removePeer)
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if blockchain.Genesis().Hash().Hex() == defaultGenesisHash && networkId == 1 {
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glog.V(logger.Debug).Infoln("Bad Block Reporting is enabled")
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manager.badBlockReportingEnabled = true
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}
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return manager, nil
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}
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func (pm *ProtocolManager) insertChain(blocks types.Blocks) (i int, err error) {
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i, err = pm.blockchain.InsertChain(blocks)
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if pm.badBlockReportingEnabled && core.IsValidationErr(err) && i < len(blocks) {
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go sendBadBlockReport(blocks[i], err)
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}
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return i, err
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}
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func (pm *ProtocolManager) removePeer(id string) {
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// Short circuit if the peer was already removed
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peer := pm.peers.Peer(id)
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@ -378,6 +393,7 @@ func (pm *ProtocolManager) handleMsg(p *peer) error {
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// Update the receive timestamp of each block
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for _, block := range blocks {
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block.ReceivedAt = msg.ReceivedAt
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block.ReceivedFrom = p
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}
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// Filter out any explicitly requested blocks, deliver the rest to the downloader
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if blocks := pm.fetcher.FilterBlocks(blocks); len(blocks) > 0 {
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@ -664,6 +680,7 @@ func (pm *ProtocolManager) handleMsg(p *peer) error {
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return errResp(ErrDecode, "block validation %v: %v", msg, err)
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}
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request.Block.ReceivedAt = msg.ReceivedAt
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request.Block.ReceivedFrom = p
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// Mark the peer as owning the block and schedule it for import
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p.MarkBlock(request.Block.Hash())
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@ -25,8 +25,6 @@ import (
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"net/http"
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"os"
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"path/filepath"
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"github.com/ethereum/go-ethereum/core"
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)
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var (
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@ -59,11 +57,6 @@ var (
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VmSkipTests = []string{}
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)
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// Disable reporting bad blocks for the tests
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func init() {
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core.DisableBadBlockReporting = true
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}
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func readJson(reader io.Reader, value interface{}) error {
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data, err := ioutil.ReadAll(reader)
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if err != nil {
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