// 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 . package main import ( "encoding/json" "fmt" "github.com/ethereum/go-ethereum/accounts/keystore" "github.com/ethereum/go-ethereum/log" ) // deployFaucet queries the user for various input on deploying a faucet, after // which it executes it. func (w *wizard) deployFaucet() { // Select the server to interact with server := w.selectServer() if server == "" { return } client := w.servers[server] // Retrieve any active faucet configurations from the server existed := true infos, err := checkFaucet(client, w.network) if err != nil { infos = &faucetInfos{ node: &nodeInfos{portFull: 30303, peersTotal: 25}, port: 80, host: client.server, amount: 1, minutes: 1440, tiers: 3, } existed = false } infos.node.genesis, _ = json.MarshalIndent(w.conf.Genesis, "", " ") infos.node.network = w.conf.Genesis.Config.ChainId.Int64() // Figure out which port to listen on fmt.Println() fmt.Printf("Which port should the faucet listen on? (default = %d)\n", infos.port) infos.port = w.readDefaultInt(infos.port) // Figure which virtual-host to deploy ethstats on if infos.host, err = w.ensureVirtualHost(client, infos.port, infos.host); err != nil { log.Error("Failed to decide on faucet host", "err", err) return } // Port and proxy settings retrieved, figure out the funding amount per period configurations fmt.Println() fmt.Printf("How many Ethers to release per request? (default = %d)\n", infos.amount) infos.amount = w.readDefaultInt(infos.amount) fmt.Println() fmt.Printf("How many minutes to enforce between requests? (default = %d)\n", infos.minutes) infos.minutes = w.readDefaultInt(infos.minutes) fmt.Println() fmt.Printf("How many funding tiers to feature (x2.5 amounts, x3 timeout)? (default = %d)\n", infos.tiers) infos.tiers = w.readDefaultInt(infos.tiers) if infos.tiers == 0 { log.Error("At least one funding tier must be set") return } // Accessing the reCaptcha service requires API authorizations, request it if infos.captchaToken != "" { fmt.Println() fmt.Println("Reuse previous reCaptcha API authorization (y/n)? (default = yes)") if w.readDefaultString("y") != "y" { infos.captchaToken, infos.captchaSecret = "", "" } } if infos.captchaToken == "" { // No previous authorization (or old one discarded) fmt.Println() fmt.Println("Enable reCaptcha protection against robots (y/n)? (default = no)") if w.readDefaultString("n") == "n" { log.Warn("Users will be able to requests funds via automated scripts") } else { // Captcha protection explicitly requested, read the site and secret keys fmt.Println() fmt.Printf("What is the reCaptcha site key to authenticate human users?\n") infos.captchaToken = w.readString() fmt.Println() fmt.Printf("What is the reCaptcha secret key to verify authentications? (won't be echoed)\n") infos.captchaSecret = w.readPassword() } } // Figure out where the user wants to store the persistent data fmt.Println() if infos.node.datadir == "" { fmt.Printf("Where should data be stored on the remote machine?\n") infos.node.datadir = w.readString() } else { fmt.Printf("Where should data be stored on the remote machine? (default = %s)\n", infos.node.datadir) infos.node.datadir = w.readDefaultString(infos.node.datadir) } // Figure out which port to listen on fmt.Println() fmt.Printf("Which TCP/UDP port should the light client listen on? (default = %d)\n", infos.node.portFull) infos.node.portFull = w.readDefaultInt(infos.node.portFull) // Set a proper name to report on the stats page fmt.Println() if infos.node.ethstats == "" { fmt.Printf("What should the node be called on the stats page?\n") infos.node.ethstats = w.readString() + ":" + w.conf.ethstats } else { fmt.Printf("What should the node be called on the stats page? (default = %s)\n", infos.node.ethstats) infos.node.ethstats = w.readDefaultString(infos.node.ethstats) + ":" + w.conf.ethstats } // Load up the credential needed to release funds if infos.node.keyJSON != "" { if key, err := keystore.DecryptKey([]byte(infos.node.keyJSON), infos.node.keyPass); err != nil { infos.node.keyJSON, infos.node.keyPass = "", "" } else { fmt.Println() fmt.Printf("Reuse previous (%s) funding account (y/n)? (default = yes)\n", key.Address.Hex()) if w.readDefaultString("y") != "y" { infos.node.keyJSON, infos.node.keyPass = "", "" } } } for i := 0; i < 3 && infos.node.keyJSON == ""; i++ { fmt.Println() fmt.Println("Please paste the faucet's funding account key JSON:") infos.node.keyJSON = w.readJSON() fmt.Println() fmt.Println("What's the unlock password for the account? (won't be echoed)") infos.node.keyPass = w.readPassword() if _, err := keystore.DecryptKey([]byte(infos.node.keyJSON), infos.node.keyPass); err != nil { log.Error("Failed to decrypt key with given passphrase") infos.node.keyJSON = "" infos.node.keyPass = "" } } // Check if the user wants to run the faucet in debug mode (noauth) noauth := "n" if infos.noauth { noauth = "y" } fmt.Println() fmt.Printf("Permit non-authenticated funding requests (y/n)? (default = %v)\n", infos.noauth) infos.noauth = w.readDefaultString(noauth) != "n" // Try to deploy the faucet server on the host nocache := false if existed { fmt.Println() fmt.Printf("Should the faucet be built from scratch (y/n)? (default = no)\n") nocache = w.readDefaultString("n") != "n" } if out, err := deployFaucet(client, w.network, w.conf.bootLight, infos, nocache); err != nil { log.Error("Failed to deploy faucet container", "err", err) if len(out) > 0 { fmt.Printf("%s\n", out) } return } // All ok, run a network scan to pick any changes up w.networkStats() }