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-rw-r--r--ethstats/ethstats.go785
1 files changed, 0 insertions, 785 deletions
diff --git a/ethstats/ethstats.go b/ethstats/ethstats.go
deleted file mode 100644
index 3dd06e3..0000000
--- a/ethstats/ethstats.go
+++ /dev/null
@@ -1,785 +0,0 @@
-// 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 ethstats implements the network stats reporting service.
-package ethstats
-
-import (
- "context"
- "encoding/json"
- "errors"
- "fmt"
- "math/big"
- "net/http"
- "regexp"
- "runtime"
- "strconv"
- "strings"
- "sync"
- "time"
-
- "github.com/ava-labs/coreth/consensus"
- "github.com/ava-labs/coreth/core"
- "github.com/ava-labs/coreth/core/types"
- "github.com/ava-labs/coreth/eth"
- "github.com/ava-labs/coreth/miner"
- "github.com/ava-labs/coreth/node"
- "github.com/ava-labs/coreth/rpc"
- "github.com/ethereum/go-ethereum/common"
- "github.com/ethereum/go-ethereum/common/mclock"
- "github.com/ethereum/go-ethereum/eth/downloader"
- "github.com/ethereum/go-ethereum/event"
- "github.com/ethereum/go-ethereum/les"
- "github.com/ethereum/go-ethereum/log"
- "github.com/ethereum/go-ethereum/p2p"
- "github.com/gorilla/websocket"
-)
-
-const (
- // historyUpdateRange is the number of blocks a node should report upon login or
- // history request.
- historyUpdateRange = 50
-
- // txChanSize is the size of channel listening to NewTxsEvent.
- // The number is referenced from the size of tx pool.
- txChanSize = 4096
- // chainHeadChanSize is the size of channel listening to ChainHeadEvent.
- chainHeadChanSize = 10
-)
-
-// backend encompasses the bare-minimum functionality needed for ethstats reporting
-type backend interface {
- SubscribeChainHeadEvent(ch chan<- core.ChainHeadEvent) event.Subscription
- SubscribeNewTxsEvent(ch chan<- core.NewTxsEvent) event.Subscription
- CurrentHeader() *types.Header
- HeaderByNumber(ctx context.Context, number rpc.BlockNumber) (*types.Header, error)
- GetTd(ctx context.Context, hash common.Hash) *big.Int
- Stats() (pending int, queued int)
- Downloader() *downloader.Downloader
-}
-
-// fullNodeBackend encompasses the functionality necessary for a full node
-// reporting to ethstats
-type fullNodeBackend interface {
- backend
- Miner() *miner.Miner
- BlockByNumber(ctx context.Context, number rpc.BlockNumber) (*types.Block, error)
- CurrentBlock() *types.Block
- SuggestPrice(ctx context.Context) (*big.Int, error)
-}
-
-// Service implements an Ethereum netstats reporting daemon that pushes local
-// chain statistics up to a monitoring server.
-type Service struct {
- server *p2p.Server // Peer-to-peer server to retrieve networking infos
- backend backend
- engine consensus.Engine // Consensus engine to retrieve variadic block fields
-
- node string // Name of the node to display on the monitoring page
- pass string // Password to authorize access to the monitoring page
- host string // Remote address of the monitoring service
-
- pongCh chan struct{} // Pong notifications are fed into this channel
- histCh chan []uint64 // History request block numbers are fed into this channel
-
-}
-
-// connWrapper is a wrapper to prevent concurrent-write or concurrent-read on the
-// websocket.
-//
-// From Gorilla websocket docs:
-// Connections support one concurrent reader and one concurrent writer.
-// Applications are responsible for ensuring that no more than one goroutine calls the write methods
-// - NextWriter, SetWriteDeadline, WriteMessage, WriteJSON, EnableWriteCompression, SetCompressionLevel
-// concurrently and that no more than one goroutine calls the read methods
-// - NextReader, SetReadDeadline, ReadMessage, ReadJSON, SetPongHandler, SetPingHandler
-// concurrently.
-// The Close and WriteControl methods can be called concurrently with all other methods.
-type connWrapper struct {
- conn *websocket.Conn
-
- rlock sync.Mutex
- wlock sync.Mutex
-}
-
-func newConnectionWrapper(conn *websocket.Conn) *connWrapper {
- return &connWrapper{conn: conn}
-}
-
-// WriteJSON wraps corresponding method on the websocket but is safe for concurrent calling
-func (w *connWrapper) WriteJSON(v interface{}) error {
- w.wlock.Lock()
- defer w.wlock.Unlock()
-
- return w.conn.WriteJSON(v)
-}
-
-// ReadJSON wraps corresponding method on the websocket but is safe for concurrent calling
-func (w *connWrapper) ReadJSON(v interface{}) error {
- w.rlock.Lock()
- defer w.rlock.Unlock()
-
- return w.conn.ReadJSON(v)
-}
-
-// Close wraps corresponding method on the websocket but is safe for concurrent calling
-func (w *connWrapper) Close() error {
- // The Close and WriteControl methods can be called concurrently with all other methods,
- // so the mutex is not used here
- return w.conn.Close()
-}
-
-// New returns a monitoring service ready for stats reporting.
-func New(node *node.Node, backend backend, engine consensus.Engine, url string) error {
- // Parse the netstats connection url
- re := regexp.MustCompile("([^:@]*)(:([^@]*))?@(.+)")
- parts := re.FindStringSubmatch(url)
- if len(parts) != 5 {
- return fmt.Errorf("invalid netstats url: \"%s\", should be nodename:secret@host:port", url)
- }
- ethstats := &Service{
- backend: backend,
- engine: engine,
- server: node.Server(),
- node: parts[1],
- pass: parts[3],
- host: parts[4],
- pongCh: make(chan struct{}),
- histCh: make(chan []uint64, 1),
- }
-
- node.RegisterLifecycle(ethstats)
- return nil
-}
-
-// Start implements node.Lifecycle, starting up the monitoring and reporting daemon.
-func (s *Service) Start() error {
- go s.loop()
-
- log.Info("Stats daemon started")
- return nil
-}
-
-// Stop implements node.Lifecycle, terminating the monitoring and reporting daemon.
-func (s *Service) Stop() error {
- log.Info("Stats daemon stopped")
- return nil
-}
-
-// loop keeps trying to connect to the netstats server, reporting chain events
-// until termination.
-func (s *Service) loop() {
- // Subscribe to chain events to execute updates on
- chainHeadCh := make(chan core.ChainHeadEvent, chainHeadChanSize)
- headSub := s.backend.SubscribeChainHeadEvent(chainHeadCh)
- defer headSub.Unsubscribe()
-
- txEventCh := make(chan core.NewTxsEvent, txChanSize)
- txSub := s.backend.SubscribeNewTxsEvent(txEventCh)
- defer txSub.Unsubscribe()
-
- // Start a goroutine that exhausts the subscriptions to avoid events piling up
- var (
- quitCh = make(chan struct{})
- headCh = make(chan *types.Block, 1)
- txCh = make(chan struct{}, 1)
- )
- go func() {
- var lastTx mclock.AbsTime
-
- HandleLoop:
- for {
- select {
- // Notify of chain head events, but drop if too frequent
- case head := <-chainHeadCh:
- select {
- case headCh <- head.Block:
- default:
- }
-
- // Notify of new transaction events, but drop if too frequent
- case <-txEventCh:
- if time.Duration(mclock.Now()-lastTx) < time.Second {
- continue
- }
- lastTx = mclock.Now()
-
- select {
- case txCh <- struct{}{}:
- default:
- }
-
- // node stopped
- case <-txSub.Err():
- break HandleLoop
- case <-headSub.Err():
- break HandleLoop
- }
- }
- close(quitCh)
- }()
-
- // Resolve the URL, defaulting to TLS, but falling back to none too
- path := fmt.Sprintf("%s/api", s.host)
- urls := []string{path}
-
- // url.Parse and url.IsAbs is unsuitable (https://github.com/golang/go/issues/19779)
- if !strings.Contains(path, "://") {
- urls = []string{"wss://" + path, "ws://" + path}
- }
-
- errTimer := time.NewTimer(0)
- defer errTimer.Stop()
- // Loop reporting until termination
- for {
- select {
- case <-quitCh:
- return
- case <-errTimer.C:
- // Establish a websocket connection to the server on any supported URL
- var (
- conn *connWrapper
- err error
- )
- dialer := websocket.Dialer{HandshakeTimeout: 5 * time.Second}
- header := make(http.Header)
- header.Set("origin", "http://localhost")
- for _, url := range urls {
- c, _, e := dialer.Dial(url, header)
- err = e
- if err == nil {
- conn = newConnectionWrapper(c)
- break
- }
- }
- if err != nil {
- log.Warn("Stats server unreachable", "err", err)
- errTimer.Reset(10 * time.Second)
- continue
- }
- // Authenticate the client with the server
- if err = s.login(conn); err != nil {
- log.Warn("Stats login failed", "err", err)
- conn.Close()
- errTimer.Reset(10 * time.Second)
- continue
- }
- go s.readLoop(conn)
-
- // Send the initial stats so our node looks decent from the get go
- if err = s.report(conn); err != nil {
- log.Warn("Initial stats report failed", "err", err)
- conn.Close()
- errTimer.Reset(0)
- continue
- }
- // Keep sending status updates until the connection breaks
- fullReport := time.NewTicker(15 * time.Second)
-
- for err == nil {
- select {
- case <-quitCh:
- fullReport.Stop()
- // Make sure the connection is closed
- conn.Close()
- return
-
- case <-fullReport.C:
- if err = s.report(conn); err != nil {
- log.Warn("Full stats report failed", "err", err)
- }
- case list := <-s.histCh:
- if err = s.reportHistory(conn, list); err != nil {
- log.Warn("Requested history report failed", "err", err)
- }
- case head := <-headCh:
- if err = s.reportBlock(conn, head); err != nil {
- log.Warn("Block stats report failed", "err", err)
- }
- if err = s.reportPending(conn); err != nil {
- log.Warn("Post-block transaction stats report failed", "err", err)
- }
- case <-txCh:
- if err = s.reportPending(conn); err != nil {
- log.Warn("Transaction stats report failed", "err", err)
- }
- }
- }
- fullReport.Stop()
-
- // Close the current connection and establish a new one
- conn.Close()
- errTimer.Reset(0)
- }
- }
-}
-
-// readLoop loops as long as the connection is alive and retrieves data packets
-// from the network socket. If any of them match an active request, it forwards
-// it, if they themselves are requests it initiates a reply, and lastly it drops
-// unknown packets.
-func (s *Service) readLoop(conn *connWrapper) {
- // If the read loop exists, close the connection
- defer conn.Close()
-
- for {
- // Retrieve the next generic network packet and bail out on error
- var blob json.RawMessage
- if err := conn.ReadJSON(&blob); err != nil {
- log.Warn("Failed to retrieve stats server message", "err", err)
- return
- }
- // If the network packet is a system ping, respond to it directly
- var ping string
- if err := json.Unmarshal(blob, &ping); err == nil && strings.HasPrefix(ping, "primus::ping::") {
- if err := conn.WriteJSON(strings.Replace(ping, "ping", "pong", -1)); err != nil {
- log.Warn("Failed to respond to system ping message", "err", err)
- return
- }
- continue
- }
- // Not a system ping, try to decode an actual state message
- var msg map[string][]interface{}
- if err := json.Unmarshal(blob, &msg); err != nil {
- log.Warn("Failed to decode stats server message", "err", err)
- return
- }
- log.Trace("Received message from stats server", "msg", msg)
- if len(msg["emit"]) == 0 {
- log.Warn("Stats server sent non-broadcast", "msg", msg)
- return
- }
- command, ok := msg["emit"][0].(string)
- if !ok {
- log.Warn("Invalid stats server message type", "type", msg["emit"][0])
- return
- }
- // If the message is a ping reply, deliver (someone must be listening!)
- if len(msg["emit"]) == 2 && command == "node-pong" {
- select {
- case s.pongCh <- struct{}{}:
- // Pong delivered, continue listening
- continue
- default:
- // Ping routine dead, abort
- log.Warn("Stats server pinger seems to have died")
- return
- }
- }
- // If the message is a history request, forward to the event processor
- if len(msg["emit"]) == 2 && command == "history" {
- // Make sure the request is valid and doesn't crash us
- request, ok := msg["emit"][1].(map[string]interface{})
- if !ok {
- log.Warn("Invalid stats history request", "msg", msg["emit"][1])
- select {
- case s.histCh <- nil: // Treat it as an no indexes request
- default:
- }
- continue
- }
- list, ok := request["list"].([]interface{})
- if !ok {
- log.Warn("Invalid stats history block list", "list", request["list"])
- return
- }
- // Convert the block number list to an integer list
- numbers := make([]uint64, len(list))
- for i, num := range list {
- n, ok := num.(float64)
- if !ok {
- log.Warn("Invalid stats history block number", "number", num)
- return
- }
- numbers[i] = uint64(n)
- }
- select {
- case s.histCh <- numbers:
- continue
- default:
- }
- }
- // Report anything else and continue
- log.Info("Unknown stats message", "msg", msg)
- }
-}
-
-// nodeInfo is the collection of meta information about a node that is displayed
-// on the monitoring page.
-type nodeInfo struct {
- Name string `json:"name"`
- Node string `json:"node"`
- Port int `json:"port"`
- Network string `json:"net"`
- Protocol string `json:"protocol"`
- API string `json:"api"`
- Os string `json:"os"`
- OsVer string `json:"os_v"`
- Client string `json:"client"`
- History bool `json:"canUpdateHistory"`
-}
-
-// authMsg is the authentication infos needed to login to a monitoring server.
-type authMsg struct {
- ID string `json:"id"`
- Info nodeInfo `json:"info"`
- Secret string `json:"secret"`
-}
-
-// login tries to authorize the client at the remote server.
-func (s *Service) login(conn *connWrapper) error {
- // Construct and send the login authentication
- infos := s.server.NodeInfo()
-
- var network, protocol string
- if info := infos.Protocols["eth"]; info != nil {
- network = fmt.Sprintf("%d", info.(*eth.NodeInfo).Network)
- protocol = fmt.Sprintf("eth/%d", eth.ProtocolVersions[0])
- } else {
- network = fmt.Sprintf("%d", infos.Protocols["les"].(*les.NodeInfo).Network)
- protocol = fmt.Sprintf("les/%d", les.ClientProtocolVersions[0])
- }
- auth := &authMsg{
- ID: s.node,
- Info: nodeInfo{
- Name: s.node,
- Node: infos.Name,
- Port: infos.Ports.Listener,
- Network: network,
- Protocol: protocol,
- API: "No",
- Os: runtime.GOOS,
- OsVer: runtime.GOARCH,
- Client: "0.1.1",
- History: true,
- },
- Secret: s.pass,
- }
- login := map[string][]interface{}{
- "emit": {"hello", auth},
- }
- if err := conn.WriteJSON(login); err != nil {
- return err
- }
- // Retrieve the remote ack or connection termination
- var ack map[string][]string
- if err := conn.ReadJSON(&ack); err != nil || len(ack["emit"]) != 1 || ack["emit"][0] != "ready" {
- return errors.New("unauthorized")
- }
- return nil
-}
-
-// report collects all possible data to report and send it to the stats server.
-// This should only be used on reconnects or rarely to avoid overloading the
-// server. Use the individual methods for reporting subscribed events.
-func (s *Service) report(conn *connWrapper) error {
- if err := s.reportLatency(conn); err != nil {
- return err
- }
- if err := s.reportBlock(conn, nil); err != nil {
- return err
- }
- if err := s.reportPending(conn); err != nil {
- return err
- }
- if err := s.reportStats(conn); err != nil {
- return err
- }
- return nil
-}
-
-// reportLatency sends a ping request to the server, measures the RTT time and
-// finally sends a latency update.
-func (s *Service) reportLatency(conn *connWrapper) error {
- // Send the current time to the ethstats server
- start := time.Now()
-
- ping := map[string][]interface{}{
- "emit": {"node-ping", map[string]string{
- "id": s.node,
- "clientTime": start.String(),
- }},
- }
- if err := conn.WriteJSON(ping); err != nil {
- return err
- }
- // Wait for the pong request to arrive back
- select {
- case <-s.pongCh:
- // Pong delivered, report the latency
- case <-time.After(5 * time.Second):
- // Ping timeout, abort
- return errors.New("ping timed out")
- }
- latency := strconv.Itoa(int((time.Since(start) / time.Duration(2)).Nanoseconds() / 1000000))
-
- // Send back the measured latency
- log.Trace("Sending measured latency to ethstats", "latency", latency)
-
- stats := map[string][]interface{}{
- "emit": {"latency", map[string]string{
- "id": s.node,
- "latency": latency,
- }},
- }
- return conn.WriteJSON(stats)
-}
-
-// blockStats is the information to report about individual blocks.
-type blockStats struct {
- Number *big.Int `json:"number"`
- Hash common.Hash `json:"hash"`
- ParentHash common.Hash `json:"parentHash"`
- Timestamp *big.Int `json:"timestamp"`
- Miner common.Address `json:"miner"`
- GasUsed uint64 `json:"gasUsed"`
- GasLimit uint64 `json:"gasLimit"`
- Diff string `json:"difficulty"`
- TotalDiff string `json:"totalDifficulty"`
- Txs []txStats `json:"transactions"`
- TxHash common.Hash `json:"transactionsRoot"`
- Root common.Hash `json:"stateRoot"`
- Uncles uncleStats `json:"uncles"`
-}
-
-// txStats is the information to report about individual transactions.
-type txStats struct {
- Hash common.Hash `json:"hash"`
-}
-
-// uncleStats is a custom wrapper around an uncle array to force serializing
-// empty arrays instead of returning null for them.
-type uncleStats []*types.Header
-
-func (s uncleStats) MarshalJSON() ([]byte, error) {
- if uncles := ([]*types.Header)(s); len(uncles) > 0 {
- return json.Marshal(uncles)
- }
- return []byte("[]"), nil
-}
-
-// reportBlock retrieves the current chain head and reports it to the stats server.
-func (s *Service) reportBlock(conn *connWrapper, block *types.Block) error {
- // Gather the block details from the header or block chain
- details := s.assembleBlockStats(block)
-
- // Assemble the block report and send it to the server
- log.Trace("Sending new block to ethstats", "number", details.Number, "hash", details.Hash)
-
- stats := map[string]interface{}{
- "id": s.node,
- "block": details,
- }
- report := map[string][]interface{}{
- "emit": {"block", stats},
- }
- return conn.WriteJSON(report)
-}
-
-// assembleBlockStats retrieves any required metadata to report a single block
-// and assembles the block stats. If block is nil, the current head is processed.
-func (s *Service) assembleBlockStats(block *types.Block) *blockStats {
- // Gather the block infos from the local blockchain
- var (
- header *types.Header
- td *big.Int
- txs []txStats
- uncles []*types.Header
- )
-
- // check if backend is a full node
- fullBackend, ok := s.backend.(fullNodeBackend)
- if ok {
- if block == nil {
- block = fullBackend.CurrentBlock()
- }
- header = block.Header()
- td = fullBackend.GetTd(context.Background(), header.Hash())
-
- txs = make([]txStats, len(block.Transactions()))
- for i, tx := range block.Transactions() {
- txs[i].Hash = tx.Hash()
- }
- uncles = block.Uncles()
- } else {
- // Light nodes would need on-demand lookups for transactions/uncles, skip
- if block != nil {
- header = block.Header()
- } else {
- header = s.backend.CurrentHeader()
- }
- td = s.backend.GetTd(context.Background(), header.Hash())
- txs = []txStats{}
- }
-
- // Assemble and return the block stats
- author, _ := s.engine.Author(header)
-
- return &blockStats{
- Number: header.Number,
- Hash: header.Hash(),
- ParentHash: header.ParentHash,
- Timestamp: new(big.Int).SetUint64(header.Time),
- Miner: author,
- GasUsed: header.GasUsed,
- GasLimit: header.GasLimit,
- Diff: header.Difficulty.String(),
- TotalDiff: td.String(),
- Txs: txs,
- TxHash: header.TxHash,
- Root: header.Root,
- Uncles: uncles,
- }
-}
-
-// reportHistory retrieves the most recent batch of blocks and reports it to the
-// stats server.
-func (s *Service) reportHistory(conn *connWrapper, list []uint64) error {
- // Figure out the indexes that need reporting
- indexes := make([]uint64, 0, historyUpdateRange)
- if len(list) > 0 {
- // Specific indexes requested, send them back in particular
- indexes = append(indexes, list...)
- } else {
- // No indexes requested, send back the top ones
- head := s.backend.CurrentHeader().Number.Int64()
- start := head - historyUpdateRange + 1
- if start < 0 {
- start = 0
- }
- for i := uint64(start); i <= uint64(head); i++ {
- indexes = append(indexes, i)
- }
- }
- // Gather the batch of blocks to report
- history := make([]*blockStats, len(indexes))
- for i, number := range indexes {
- fullBackend, ok := s.backend.(fullNodeBackend)
- // Retrieve the next block if it's known to us
- var block *types.Block
- if ok {
- block, _ = fullBackend.BlockByNumber(context.Background(), rpc.BlockNumber(number)) // TODO ignore error here ?
- } else {
- if header, _ := s.backend.HeaderByNumber(context.Background(), rpc.BlockNumber(number)); header != nil {
- block = types.NewBlockWithHeader(header)
- }
- }
- // If we do have the block, add to the history and continue
- if block != nil {
- history[len(history)-1-i] = s.assembleBlockStats(block)
- continue
- }
- // Ran out of blocks, cut the report short and send
- history = history[len(history)-i:]
- break
- }
- // Assemble the history report and send it to the server
- if len(history) > 0 {
- log.Trace("Sending historical blocks to ethstats", "first", history[0].Number, "last", history[len(history)-1].Number)
- } else {
- log.Trace("No history to send to stats server")
- }
- stats := map[string]interface{}{
- "id": s.node,
- "history": history,
- }
- report := map[string][]interface{}{
- "emit": {"history", stats},
- }
- return conn.WriteJSON(report)
-}
-
-// pendStats is the information to report about pending transactions.
-type pendStats struct {
- Pending int `json:"pending"`
-}
-
-// reportPending retrieves the current number of pending transactions and reports
-// it to the stats server.
-func (s *Service) reportPending(conn *connWrapper) error {
- // Retrieve the pending count from the local blockchain
- pending, _ := s.backend.Stats()
- // Assemble the transaction stats and send it to the server
- log.Trace("Sending pending transactions to ethstats", "count", pending)
-
- stats := map[string]interface{}{
- "id": s.node,
- "stats": &pendStats{
- Pending: pending,
- },
- }
- report := map[string][]interface{}{
- "emit": {"pending", stats},
- }
- return conn.WriteJSON(report)
-}
-
-// nodeStats is the information to report about the local node.
-type nodeStats struct {
- Active bool `json:"active"`
- Syncing bool `json:"syncing"`
- Mining bool `json:"mining"`
- Hashrate int `json:"hashrate"`
- Peers int `json:"peers"`
- GasPrice int `json:"gasPrice"`
- Uptime int `json:"uptime"`
-}
-
-// reportStats retrieves various stats about the node at the networking and
-// mining layer and reports it to the stats server.
-func (s *Service) reportStats(conn *connWrapper) error {
- // Gather the syncing and mining infos from the local miner instance
- var (
- mining bool
- hashrate int
- syncing bool
- gasprice int
- )
- // check if backend is a full node
- fullBackend, ok := s.backend.(fullNodeBackend)
- if ok {
- mining = fullBackend.Miner().Mining()
- hashrate = int(fullBackend.Miner().HashRate())
-
- sync := fullBackend.Downloader().Progress()
- syncing = fullBackend.CurrentHeader().Number.Uint64() >= sync.HighestBlock
-
- price, _ := fullBackend.SuggestPrice(context.Background())
- gasprice = int(price.Uint64())
- } else {
- sync := s.backend.Downloader().Progress()
- syncing = s.backend.CurrentHeader().Number.Uint64() >= sync.HighestBlock
- }
- // Assemble the node stats and send it to the server
- log.Trace("Sending node details to ethstats")
-
- stats := map[string]interface{}{
- "id": s.node,
- "stats": &nodeStats{
- Active: true,
- Mining: mining,
- Hashrate: hashrate,
- Peers: s.server.PeerCount(),
- GasPrice: gasprice,
- Syncing: syncing,
- Uptime: 100,
- },
- }
- report := map[string][]interface{}{
- "emit": {"stats", stats},
- }
- return conn.WriteJSON(report)
-}
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