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// Copyright 2017 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 (
"encoding/json"
"fmt"
"time"
"github.com/ethereum/go-ethereum/log"
)
// deployExplorer creates a new block explorer based on some user input.
func (w *wizard) deployExplorer() {
// Do some sanity check before the user wastes time on input
if w.conf.Genesis == nil {
log.Error("No genesis block configured")
return
}
if w.conf.ethstats == "" {
log.Error("No ethstats server configured")
return
}
if w.conf.Genesis.Config.Ethash == nil {
log.Error("Only ethash network supported")
return
}
// Select the server to interact with
server := w.selectServer()
if server == "" {
return
}
client := w.servers[server]
// Retrieve any active node configurations from the server
infos, err := checkExplorer(client, w.network)
if err != nil {
infos = &explorerInfos{
nodePort: 30303, webPort: 80, webHost: client.server,
}
}
existed := err == nil
chainspec, err := newParityChainSpec(w.network, w.conf.Genesis, w.conf.bootFull)
if err != nil {
log.Error("Failed to create chain spec for explorer", "err", err)
return
}
chain, _ := json.MarshalIndent(chainspec, "", " ")
// Figure out which port to listen on
fmt.Println()
fmt.Printf("Which port should the explorer listen on? (default = %d)\n", infos.webPort)
infos.webPort = w.readDefaultInt(infos.webPort)
// Figure which virtual-host to deploy ethstats on
if infos.webHost, err = w.ensureVirtualHost(client, infos.webPort, infos.webHost); err != nil {
log.Error("Failed to decide on explorer host", "err", err)
return
}
// Figure out where the user wants to store the persistent data
fmt.Println()
if infos.datadir == "" {
fmt.Printf("Where should data be stored on the remote machine?\n")
infos.datadir = w.readString()
} else {
fmt.Printf("Where should data be stored on the remote machine? (default = %s)\n", infos.datadir)
infos.datadir = w.readDefaultString(infos.datadir)
}
// Figure out which port to listen on
fmt.Println()
fmt.Printf("Which TCP/UDP port should the archive node listen on? (default = %d)\n", infos.nodePort)
infos.nodePort = w.readDefaultInt(infos.nodePort)
// Set a proper name to report on the stats page
fmt.Println()
if infos.ethstats == "" {
fmt.Printf("What should the explorer be called on the stats page?\n")
infos.ethstats = w.readString() + ":" + w.conf.ethstats
} else {
fmt.Printf("What should the explorer be called on the stats page? (default = %s)\n", infos.ethstats)
infos.ethstats = w.readDefaultString(infos.ethstats) + ":" + w.conf.ethstats
}
// Try to deploy the explorer on the host
nocache := false
if existed {
fmt.Println()
fmt.Printf("Should the explorer be built from scratch (y/n)? (default = no)\n")
nocache = w.readDefaultString("n") != "n"
}
if out, err := deployExplorer(client, w.network, chain, infos, nocache); err != nil {
log.Error("Failed to deploy explorer container", "err", err)
if len(out) > 0 {
fmt.Printf("%s\n", out)
}
return
}
// All ok, run a network scan to pick any changes up
log.Info("Waiting for node to finish booting")
time.Sleep(3 * time.Second)
w.networkStats()
}
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