a9835c1816
* cmd, dashboard, internal, log, node: logging feature * cmd, dashboard, internal, log: requested changes * dashboard, vendor: gofmt, govendor, use vendored file watcher * dashboard, log: gofmt -s -w, goimports * dashboard, log: gosimple
613 lines
20 KiB
Go
613 lines
20 KiB
Go
// Copyright 2016 The go-ethereum Authors
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// This file is part of go-ethereum.
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//
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// go-ethereum is free software: you can redistribute it and/or modify
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// it under the terms of the GNU 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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// go-ethereum 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 General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with go-ethereum. If not, see <http://www.gnu.org/licenses/>.
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package main
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import (
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"crypto/ecdsa"
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"fmt"
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"io/ioutil"
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"os"
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"os/signal"
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"runtime"
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"sort"
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"strconv"
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"strings"
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"syscall"
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"github.com/ethereum/go-ethereum/accounts"
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"github.com/ethereum/go-ethereum/accounts/keystore"
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"github.com/ethereum/go-ethereum/cmd/utils"
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"github.com/ethereum/go-ethereum/common"
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"github.com/ethereum/go-ethereum/console"
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"github.com/ethereum/go-ethereum/crypto"
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"github.com/ethereum/go-ethereum/internal/debug"
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"github.com/ethereum/go-ethereum/log"
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"github.com/ethereum/go-ethereum/node"
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"github.com/ethereum/go-ethereum/p2p"
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"github.com/ethereum/go-ethereum/p2p/discover"
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"github.com/ethereum/go-ethereum/params"
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"github.com/ethereum/go-ethereum/swarm"
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bzzapi "github.com/ethereum/go-ethereum/swarm/api"
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swarmmetrics "github.com/ethereum/go-ethereum/swarm/metrics"
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"gopkg.in/urfave/cli.v1"
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)
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const clientIdentifier = "swarm"
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const helpTemplate = `NAME:
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{{.HelpName}} - {{.Usage}}
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USAGE:
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{{if .UsageText}}{{.UsageText}}{{else}}{{.HelpName}}{{if .VisibleFlags}} [command options]{{end}} {{if .ArgsUsage}}{{.ArgsUsage}}{{else}}[arguments...]{{end}}{{end}}{{if .Category}}
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CATEGORY:
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{{.Category}}{{end}}{{if .Description}}
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DESCRIPTION:
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{{.Description}}{{end}}{{if .VisibleFlags}}
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OPTIONS:
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{{range .VisibleFlags}}{{.}}
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{{end}}{{end}}
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`
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var (
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gitCommit string // Git SHA1 commit hash of the release (set via linker flags)
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testbetBootNodes = []string{
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"enode://ec8ae764f7cb0417bdfb009b9d0f18ab3818a3a4e8e7c67dd5f18971a93510a2e6f43cd0b69a27e439a9629457ea804104f37c85e41eed057d3faabbf7744cdf@13.74.157.139:30429",
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"enode://c2e1fceb3bf3be19dff71eec6cccf19f2dbf7567ee017d130240c670be8594bc9163353ca55dd8df7a4f161dd94b36d0615c17418b5a3cdcbb4e9d99dfa4de37@13.74.157.139:30430",
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"enode://fe29b82319b734ce1ec68b84657d57145fee237387e63273989d354486731e59f78858e452ef800a020559da22dcca759536e6aa5517c53930d29ce0b1029286@13.74.157.139:30431",
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"enode://1d7187e7bde45cf0bee489ce9852dd6d1a0d9aa67a33a6b8e6db8a4fbc6fcfa6f0f1a5419343671521b863b187d1c73bad3603bae66421d157ffef357669ddb8@13.74.157.139:30432",
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"enode://0e4cba800f7b1ee73673afa6a4acead4018f0149d2e3216be3f133318fd165b324cd71b81fbe1e80deac8dbf56e57a49db7be67f8b9bc81bd2b7ee496434fb5d@13.74.157.139:30433",
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}
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)
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var (
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ChequebookAddrFlag = cli.StringFlag{
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Name: "chequebook",
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Usage: "chequebook contract address",
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EnvVar: SWARM_ENV_CHEQUEBOOK_ADDR,
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}
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SwarmAccountFlag = cli.StringFlag{
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Name: "bzzaccount",
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Usage: "Swarm account key file",
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EnvVar: SWARM_ENV_ACCOUNT,
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}
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SwarmListenAddrFlag = cli.StringFlag{
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Name: "httpaddr",
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Usage: "Swarm HTTP API listening interface",
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EnvVar: SWARM_ENV_LISTEN_ADDR,
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}
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SwarmPortFlag = cli.StringFlag{
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Name: "bzzport",
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Usage: "Swarm local http api port",
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EnvVar: SWARM_ENV_PORT,
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}
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SwarmNetworkIdFlag = cli.IntFlag{
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Name: "bzznetworkid",
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Usage: "Network identifier (integer, default 3=swarm testnet)",
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EnvVar: SWARM_ENV_NETWORK_ID,
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}
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SwarmSwapEnabledFlag = cli.BoolFlag{
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Name: "swap",
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Usage: "Swarm SWAP enabled (default false)",
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EnvVar: SWARM_ENV_SWAP_ENABLE,
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}
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SwarmSwapAPIFlag = cli.StringFlag{
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Name: "swap-api",
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Usage: "URL of the Ethereum API provider to use to settle SWAP payments",
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EnvVar: SWARM_ENV_SWAP_API,
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}
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SwarmSyncDisabledFlag = cli.BoolTFlag{
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Name: "nosync",
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Usage: "Disable swarm syncing",
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EnvVar: SWARM_ENV_SYNC_DISABLE,
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}
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SwarmSyncUpdateDelay = cli.DurationFlag{
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Name: "sync-update-delay",
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Usage: "Duration for sync subscriptions update after no new peers are added (default 15s)",
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EnvVar: SWARM_ENV_SYNC_UPDATE_DELAY,
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}
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SwarmDeliverySkipCheckFlag = cli.BoolFlag{
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Name: "delivery-skip-check",
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Usage: "Skip chunk delivery check (default false)",
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EnvVar: SWARM_ENV_DELIVERY_SKIP_CHECK,
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}
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EnsAPIFlag = cli.StringSliceFlag{
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Name: "ens-api",
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Usage: "ENS API endpoint for a TLD and with contract address, can be repeated, format [tld:][contract-addr@]url",
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EnvVar: SWARM_ENV_ENS_API,
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}
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SwarmApiFlag = cli.StringFlag{
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Name: "bzzapi",
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Usage: "Swarm HTTP endpoint",
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Value: "http://127.0.0.1:8500",
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}
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SwarmRecursiveFlag = cli.BoolFlag{
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Name: "recursive",
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Usage: "Upload directories recursively",
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}
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SwarmWantManifestFlag = cli.BoolTFlag{
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Name: "manifest",
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Usage: "Automatic manifest upload (default true)",
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}
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SwarmUploadDefaultPath = cli.StringFlag{
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Name: "defaultpath",
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Usage: "path to file served for empty url path (none)",
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}
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SwarmUpFromStdinFlag = cli.BoolFlag{
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Name: "stdin",
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Usage: "reads data to be uploaded from stdin",
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}
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SwarmUploadMimeType = cli.StringFlag{
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Name: "mime",
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Usage: "Manually specify MIME type",
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}
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SwarmEncryptedFlag = cli.BoolFlag{
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Name: "encrypt",
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Usage: "use encrypted upload",
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}
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CorsStringFlag = cli.StringFlag{
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Name: "corsdomain",
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Usage: "Domain on which to send Access-Control-Allow-Origin header (multiple domains can be supplied separated by a ',')",
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EnvVar: SWARM_ENV_CORS,
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}
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SwarmStorePath = cli.StringFlag{
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Name: "store.path",
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Usage: "Path to leveldb chunk DB (default <$GETH_ENV_DIR>/swarm/bzz-<$BZZ_KEY>/chunks)",
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EnvVar: SWARM_ENV_STORE_PATH,
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}
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SwarmStoreCapacity = cli.Uint64Flag{
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Name: "store.size",
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Usage: "Number of chunks (5M is roughly 20-25GB) (default 5000000)",
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EnvVar: SWARM_ENV_STORE_CAPACITY,
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}
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SwarmStoreCacheCapacity = cli.UintFlag{
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Name: "store.cache.size",
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Usage: "Number of recent chunks cached in memory (default 5000)",
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EnvVar: SWARM_ENV_STORE_CACHE_CAPACITY,
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}
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)
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//declare a few constant error messages, useful for later error check comparisons in test
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var (
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SWARM_ERR_NO_BZZACCOUNT = "bzzaccount option is required but not set; check your config file, command line or environment variables"
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SWARM_ERR_SWAP_SET_NO_API = "SWAP is enabled but --swap-api is not set"
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)
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var defaultNodeConfig = node.DefaultConfig
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// This init function sets defaults so cmd/swarm can run alongside geth.
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func init() {
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defaultNodeConfig.Name = clientIdentifier
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defaultNodeConfig.Version = params.VersionWithCommit(gitCommit)
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defaultNodeConfig.P2P.ListenAddr = ":30399"
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defaultNodeConfig.IPCPath = "bzzd.ipc"
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// Set flag defaults for --help display.
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utils.ListenPortFlag.Value = 30399
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}
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var app = utils.NewApp(gitCommit, "Ethereum Swarm")
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// This init function creates the cli.App.
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func init() {
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app.Action = bzzd
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app.HideVersion = true // we have a command to print the version
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app.Copyright = "Copyright 2013-2016 The go-ethereum Authors"
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app.Commands = []cli.Command{
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{
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Action: version,
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CustomHelpTemplate: helpTemplate,
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Name: "version",
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Usage: "Print version numbers",
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Description: "The output of this command is supposed to be machine-readable",
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},
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{
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Action: upload,
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CustomHelpTemplate: helpTemplate,
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Name: "up",
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Usage: "uploads a file or directory to swarm using the HTTP API",
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ArgsUsage: "<file>",
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Flags: []cli.Flag{SwarmEncryptedFlag},
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Description: "uploads a file or directory to swarm using the HTTP API and prints the root hash",
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},
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{
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Action: list,
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CustomHelpTemplate: helpTemplate,
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Name: "ls",
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Usage: "list files and directories contained in a manifest",
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ArgsUsage: "<manifest> [<prefix>]",
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Description: "Lists files and directories contained in a manifest",
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},
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{
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Action: hash,
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CustomHelpTemplate: helpTemplate,
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Name: "hash",
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Usage: "print the swarm hash of a file or directory",
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ArgsUsage: "<file>",
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Description: "Prints the swarm hash of file or directory",
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},
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{
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Action: download,
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Name: "down",
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Flags: []cli.Flag{SwarmRecursiveFlag},
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Usage: "downloads a swarm manifest or a file inside a manifest",
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ArgsUsage: " <uri> [<dir>]",
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Description: `
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Downloads a swarm bzz uri to the given dir. When no dir is provided, working directory is assumed. --recursive flag is expected when downloading a manifest with multiple entries.
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`,
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},
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{
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Name: "manifest",
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CustomHelpTemplate: helpTemplate,
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Usage: "perform operations on swarm manifests",
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ArgsUsage: "COMMAND",
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Description: "Updates a MANIFEST by adding/removing/updating the hash of a path.\nCOMMAND could be: add, update, remove",
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Subcommands: []cli.Command{
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{
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Action: add,
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CustomHelpTemplate: helpTemplate,
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Name: "add",
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Usage: "add a new path to the manifest",
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ArgsUsage: "<MANIFEST> <path> <hash> [<content-type>]",
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Description: "Adds a new path to the manifest",
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},
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{
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Action: update,
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CustomHelpTemplate: helpTemplate,
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Name: "update",
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Usage: "update the hash for an already existing path in the manifest",
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ArgsUsage: "<MANIFEST> <path> <newhash> [<newcontent-type>]",
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Description: "Update the hash for an already existing path in the manifest",
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},
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{
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Action: remove,
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CustomHelpTemplate: helpTemplate,
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Name: "remove",
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Usage: "removes a path from the manifest",
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ArgsUsage: "<MANIFEST> <path>",
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Description: "Removes a path from the manifest",
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},
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},
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},
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{
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Name: "fs",
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CustomHelpTemplate: helpTemplate,
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Usage: "perform FUSE operations",
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ArgsUsage: "fs COMMAND",
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Description: "Performs FUSE operations by mounting/unmounting/listing mount points. This assumes you already have a Swarm node running locally. For all operation you must reference the correct path to bzzd.ipc in order to communicate with the node",
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Subcommands: []cli.Command{
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{
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Action: mount,
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CustomHelpTemplate: helpTemplate,
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Name: "mount",
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Flags: []cli.Flag{utils.IPCPathFlag},
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Usage: "mount a swarm hash to a mount point",
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ArgsUsage: "swarm fs mount --ipcpath <path to bzzd.ipc> <manifest hash> <mount point>",
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Description: "Mounts a Swarm manifest hash to a given mount point. This assumes you already have a Swarm node running locally. You must reference the correct path to your bzzd.ipc file",
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},
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{
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Action: unmount,
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CustomHelpTemplate: helpTemplate,
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Name: "unmount",
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Flags: []cli.Flag{utils.IPCPathFlag},
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Usage: "unmount a swarmfs mount",
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ArgsUsage: "swarm fs unmount --ipcpath <path to bzzd.ipc> <mount point>",
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Description: "Unmounts a swarmfs mount residing at <mount point>. This assumes you already have a Swarm node running locally. You must reference the correct path to your bzzd.ipc file",
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},
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{
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Action: listMounts,
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CustomHelpTemplate: helpTemplate,
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Name: "list",
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Flags: []cli.Flag{utils.IPCPathFlag},
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Usage: "list swarmfs mounts",
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ArgsUsage: "swarm fs list --ipcpath <path to bzzd.ipc>",
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Description: "Lists all mounted swarmfs volumes. This assumes you already have a Swarm node running locally. You must reference the correct path to your bzzd.ipc file",
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},
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},
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},
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{
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Name: "db",
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CustomHelpTemplate: helpTemplate,
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Usage: "manage the local chunk database",
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ArgsUsage: "db COMMAND",
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Description: "Manage the local chunk database",
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Subcommands: []cli.Command{
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{
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Action: dbExport,
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CustomHelpTemplate: helpTemplate,
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Name: "export",
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Usage: "export a local chunk database as a tar archive (use - to send to stdout)",
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ArgsUsage: "<chunkdb> <file>",
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Description: `
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Export a local chunk database as a tar archive (use - to send to stdout).
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swarm db export ~/.ethereum/swarm/bzz-KEY/chunks chunks.tar
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The export may be quite large, consider piping the output through the Unix
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pv(1) tool to get a progress bar:
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swarm db export ~/.ethereum/swarm/bzz-KEY/chunks - | pv > chunks.tar
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`,
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},
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{
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Action: dbImport,
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CustomHelpTemplate: helpTemplate,
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Name: "import",
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Usage: "import chunks from a tar archive into a local chunk database (use - to read from stdin)",
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ArgsUsage: "<chunkdb> <file>",
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Description: `
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Import chunks from a tar archive into a local chunk database (use - to read from stdin).
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swarm db import ~/.ethereum/swarm/bzz-KEY/chunks chunks.tar
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The import may be quite large, consider piping the input through the Unix
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pv(1) tool to get a progress bar:
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pv chunks.tar | swarm db import ~/.ethereum/swarm/bzz-KEY/chunks -
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`,
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},
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{
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Action: dbClean,
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CustomHelpTemplate: helpTemplate,
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Name: "clean",
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Usage: "remove corrupt entries from a local chunk database",
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ArgsUsage: "<chunkdb>",
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Description: "Remove corrupt entries from a local chunk database",
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},
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},
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},
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// See config.go
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DumpConfigCommand,
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}
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sort.Sort(cli.CommandsByName(app.Commands))
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app.Flags = []cli.Flag{
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utils.IdentityFlag,
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utils.DataDirFlag,
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utils.BootnodesFlag,
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utils.KeyStoreDirFlag,
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utils.ListenPortFlag,
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utils.NoDiscoverFlag,
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utils.DiscoveryV5Flag,
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utils.NetrestrictFlag,
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utils.NodeKeyFileFlag,
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utils.NodeKeyHexFlag,
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utils.MaxPeersFlag,
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utils.NATFlag,
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utils.IPCDisabledFlag,
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utils.IPCPathFlag,
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utils.PasswordFileFlag,
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// bzzd-specific flags
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CorsStringFlag,
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EnsAPIFlag,
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SwarmTomlConfigPathFlag,
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SwarmSwapEnabledFlag,
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SwarmSwapAPIFlag,
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SwarmSyncDisabledFlag,
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SwarmSyncUpdateDelay,
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SwarmDeliverySkipCheckFlag,
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SwarmListenAddrFlag,
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SwarmPortFlag,
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SwarmAccountFlag,
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SwarmNetworkIdFlag,
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ChequebookAddrFlag,
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// upload flags
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SwarmApiFlag,
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SwarmRecursiveFlag,
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SwarmWantManifestFlag,
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SwarmUploadDefaultPath,
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SwarmUpFromStdinFlag,
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SwarmUploadMimeType,
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// storage flags
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SwarmStorePath,
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SwarmStoreCapacity,
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SwarmStoreCacheCapacity,
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}
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rpcFlags := []cli.Flag{
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utils.WSEnabledFlag,
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utils.WSListenAddrFlag,
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utils.WSPortFlag,
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utils.WSApiFlag,
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utils.WSAllowedOriginsFlag,
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}
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app.Flags = append(app.Flags, rpcFlags...)
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app.Flags = append(app.Flags, debug.Flags...)
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app.Flags = append(app.Flags, swarmmetrics.Flags...)
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app.Before = func(ctx *cli.Context) error {
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runtime.GOMAXPROCS(runtime.NumCPU())
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if err := debug.Setup(ctx, ""); err != nil {
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return err
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}
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swarmmetrics.Setup(ctx)
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return nil
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}
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app.After = func(ctx *cli.Context) error {
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debug.Exit()
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return nil
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}
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}
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func main() {
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if err := app.Run(os.Args); err != nil {
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fmt.Fprintln(os.Stderr, err)
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os.Exit(1)
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}
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}
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func version(ctx *cli.Context) error {
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fmt.Println("Version:", SWARM_VERSION)
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if gitCommit != "" {
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fmt.Println("Git Commit:", gitCommit)
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}
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fmt.Println("Go Version:", runtime.Version())
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fmt.Println("OS:", runtime.GOOS)
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return nil
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}
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func bzzd(ctx *cli.Context) error {
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//build a valid bzzapi.Config from all available sources:
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//default config, file config, command line and env vars
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bzzconfig, err := buildConfig(ctx)
|
|
if err != nil {
|
|
utils.Fatalf("unable to configure swarm: %v", err)
|
|
}
|
|
|
|
cfg := defaultNodeConfig
|
|
|
|
//pss operates on ws
|
|
cfg.WSModules = append(cfg.WSModules, "pss")
|
|
|
|
//geth only supports --datadir via command line
|
|
//in order to be consistent within swarm, if we pass --datadir via environment variable
|
|
//or via config file, we get the same directory for geth and swarm
|
|
if _, err := os.Stat(bzzconfig.Path); err == nil {
|
|
cfg.DataDir = bzzconfig.Path
|
|
}
|
|
//setup the ethereum node
|
|
utils.SetNodeConfig(ctx, &cfg)
|
|
stack, err := node.New(&cfg)
|
|
if err != nil {
|
|
utils.Fatalf("can't create node: %v", err)
|
|
}
|
|
//a few steps need to be done after the config phase is completed,
|
|
//due to overriding behavior
|
|
initSwarmNode(bzzconfig, stack, ctx)
|
|
//register BZZ as node.Service in the ethereum node
|
|
registerBzzService(bzzconfig, stack)
|
|
//start the node
|
|
utils.StartNode(stack)
|
|
|
|
go func() {
|
|
sigc := make(chan os.Signal, 1)
|
|
signal.Notify(sigc, syscall.SIGTERM)
|
|
defer signal.Stop(sigc)
|
|
<-sigc
|
|
log.Info("Got sigterm, shutting swarm down...")
|
|
stack.Stop()
|
|
}()
|
|
|
|
// Add bootnodes as initial peers.
|
|
if bzzconfig.BootNodes != "" {
|
|
bootnodes := strings.Split(bzzconfig.BootNodes, ",")
|
|
injectBootnodes(stack.Server(), bootnodes)
|
|
} else {
|
|
if bzzconfig.NetworkID == 3 {
|
|
injectBootnodes(stack.Server(), testbetBootNodes)
|
|
}
|
|
}
|
|
|
|
stack.Wait()
|
|
return nil
|
|
}
|
|
|
|
func registerBzzService(bzzconfig *bzzapi.Config, stack *node.Node) {
|
|
//define the swarm service boot function
|
|
boot := func(_ *node.ServiceContext) (node.Service, error) {
|
|
// In production, mockStore must be always nil.
|
|
return swarm.NewSwarm(bzzconfig, nil)
|
|
}
|
|
//register within the ethereum node
|
|
if err := stack.Register(boot); err != nil {
|
|
utils.Fatalf("Failed to register the Swarm service: %v", err)
|
|
}
|
|
}
|
|
|
|
func getAccount(bzzaccount string, ctx *cli.Context, stack *node.Node) *ecdsa.PrivateKey {
|
|
//an account is mandatory
|
|
if bzzaccount == "" {
|
|
utils.Fatalf(SWARM_ERR_NO_BZZACCOUNT)
|
|
}
|
|
// Try to load the arg as a hex key file.
|
|
if key, err := crypto.LoadECDSA(bzzaccount); err == nil {
|
|
log.Info("Swarm account key loaded", "address", crypto.PubkeyToAddress(key.PublicKey))
|
|
return key
|
|
}
|
|
// Otherwise try getting it from the keystore.
|
|
am := stack.AccountManager()
|
|
ks := am.Backends(keystore.KeyStoreType)[0].(*keystore.KeyStore)
|
|
|
|
return decryptStoreAccount(ks, bzzaccount, utils.MakePasswordList(ctx))
|
|
}
|
|
|
|
func decryptStoreAccount(ks *keystore.KeyStore, account string, passwords []string) *ecdsa.PrivateKey {
|
|
var a accounts.Account
|
|
var err error
|
|
if common.IsHexAddress(account) {
|
|
a, err = ks.Find(accounts.Account{Address: common.HexToAddress(account)})
|
|
} else if ix, ixerr := strconv.Atoi(account); ixerr == nil && ix > 0 {
|
|
if accounts := ks.Accounts(); len(accounts) > ix {
|
|
a = accounts[ix]
|
|
} else {
|
|
err = fmt.Errorf("index %d higher than number of accounts %d", ix, len(accounts))
|
|
}
|
|
} else {
|
|
utils.Fatalf("Can't find swarm account key %s", account)
|
|
}
|
|
if err != nil {
|
|
utils.Fatalf("Can't find swarm account key: %v - Is the provided bzzaccount(%s) from the right datadir/Path?", err, account)
|
|
}
|
|
keyjson, err := ioutil.ReadFile(a.URL.Path)
|
|
if err != nil {
|
|
utils.Fatalf("Can't load swarm account key: %v", err)
|
|
}
|
|
for i := 0; i < 3; i++ {
|
|
password := getPassPhrase(fmt.Sprintf("Unlocking swarm account %s [%d/3]", a.Address.Hex(), i+1), i, passwords)
|
|
key, err := keystore.DecryptKey(keyjson, password)
|
|
if err == nil {
|
|
return key.PrivateKey
|
|
}
|
|
}
|
|
utils.Fatalf("Can't decrypt swarm account key")
|
|
return nil
|
|
}
|
|
|
|
// getPassPhrase retrieves the password associated with bzz account, either by fetching
|
|
// from a list of pre-loaded passwords, or by requesting it interactively from user.
|
|
func getPassPhrase(prompt string, i int, passwords []string) string {
|
|
// non-interactive
|
|
if len(passwords) > 0 {
|
|
if i < len(passwords) {
|
|
return passwords[i]
|
|
}
|
|
return passwords[len(passwords)-1]
|
|
}
|
|
|
|
// fallback to interactive mode
|
|
if prompt != "" {
|
|
fmt.Println(prompt)
|
|
}
|
|
password, err := console.Stdin.PromptPassword("Passphrase: ")
|
|
if err != nil {
|
|
utils.Fatalf("Failed to read passphrase: %v", err)
|
|
}
|
|
return password
|
|
}
|
|
|
|
func injectBootnodes(srv *p2p.Server, nodes []string) {
|
|
for _, url := range nodes {
|
|
n, err := discover.ParseNode(url)
|
|
if err != nil {
|
|
log.Error("Invalid swarm bootnode", "err", err)
|
|
continue
|
|
}
|
|
srv.AddPeer(n)
|
|
}
|
|
}
|