809 lines
27 KiB
Go
809 lines
27 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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"encoding/hex"
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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/enode"
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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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"github.com/ethereum/go-ethereum/swarm/tracing"
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sv "github.com/ethereum/go-ethereum/swarm/version"
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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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)
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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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SwarmMaxStreamPeerServersFlag = cli.IntFlag{
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Name: "max-stream-peer-servers",
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Usage: "Limit of Stream peer servers, 0 denotes unlimited",
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EnvVar: SWARM_ENV_MAX_STREAM_PEER_SERVERS,
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Value: 10000, // A very large default value is possible as stream servers have very small memory footprint
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}
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SwarmLightNodeEnabled = cli.BoolFlag{
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Name: "lightnode",
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Usage: "Enable Swarm LightNode (default false)",
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EnvVar: SWARM_ENV_LIGHT_NODE_ENABLE,
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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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SwarmAccessGrantKeyFlag = cli.StringFlag{
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Name: "grant-key",
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Usage: "grants a given public key access to an ACT",
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}
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SwarmAccessGrantKeysFlag = cli.StringFlag{
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Name: "grant-keys",
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Usage: "grants a given list of public keys in the following file (separated by line breaks) access to an ACT",
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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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SwarmAccessPasswordFlag = cli.StringFlag{
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Name: "password",
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Usage: "Password",
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EnvVar: SWARM_ACCESS_PASSWORD,
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}
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SwarmDryRunFlag = cli.BoolFlag{
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Name: "dry-run",
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Usage: "dry-run",
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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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SwarmResourceMultihashFlag = cli.BoolFlag{
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Name: "multihash",
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Usage: "Determines how to interpret data for a resource update. If not present, data will be interpreted as raw, literal data that will be included in the resource",
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}
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SwarmResourceNameFlag = cli.StringFlag{
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Name: "name",
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Usage: "User-defined name for the new resource",
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}
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SwarmResourceDataOnCreateFlag = cli.StringFlag{
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Name: "data",
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Usage: "Initializes the resource with the given hex-encoded data. Data must be prefixed by 0x",
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}
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SwarmCompressedFlag = cli.BoolFlag{
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Name: "compressed",
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Usage: "Prints encryption keys in compressed form",
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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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// this help command gets added to any subcommand that does not define it explicitly
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var defaultSubcommandHelp = cli.Command{
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Action: func(ctx *cli.Context) { cli.ShowCommandHelpAndExit(ctx, "", 1) },
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CustomHelpTemplate: helpTemplate,
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Name: "help",
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Usage: "shows this help",
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Hidden: true,
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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 = sv.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: keys,
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CustomHelpTemplate: helpTemplate,
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Name: "print-keys",
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Flags: []cli.Flag{SwarmCompressedFlag},
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Usage: "Print public key information",
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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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CustomHelpTemplate: helpTemplate,
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Name: "access",
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Usage: "encrypts a reference and embeds it into a root manifest",
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ArgsUsage: "<ref>",
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Description: "encrypts a reference and embeds it into a root manifest",
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Subcommands: []cli.Command{
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{
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CustomHelpTemplate: helpTemplate,
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Name: "new",
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Usage: "encrypts a reference and embeds it into a root manifest",
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ArgsUsage: "<ref>",
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Description: "encrypts a reference and embeds it into a root access manifest and prints the resulting manifest",
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Subcommands: []cli.Command{
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{
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Action: accessNewPass,
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CustomHelpTemplate: helpTemplate,
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Flags: []cli.Flag{
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utils.PasswordFileFlag,
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SwarmDryRunFlag,
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},
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Name: "pass",
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Usage: "encrypts a reference with a password and embeds it into a root manifest",
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ArgsUsage: "<ref>",
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Description: "encrypts a reference and embeds it into a root access manifest and prints the resulting manifest",
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},
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{
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Action: accessNewPK,
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CustomHelpTemplate: helpTemplate,
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Flags: []cli.Flag{
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utils.PasswordFileFlag,
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SwarmDryRunFlag,
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SwarmAccessGrantKeyFlag,
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},
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Name: "pk",
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Usage: "encrypts a reference with the node's private key and a given grantee's public key and embeds it into a root manifest",
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ArgsUsage: "<ref>",
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Description: "encrypts a reference and embeds it into a root access manifest and prints the resulting manifest",
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},
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{
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Action: accessNewACT,
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CustomHelpTemplate: helpTemplate,
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Flags: []cli.Flag{
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SwarmAccessGrantKeysFlag,
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SwarmDryRunFlag,
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utils.PasswordFileFlag,
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},
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Name: "act",
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Usage: "encrypts a reference with the node's private key and a given grantee's public key and embeds it into a root manifest",
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ArgsUsage: "<ref>",
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Description: "encrypts a reference and embeds it into a root access manifest and prints the resulting manifest",
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},
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},
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},
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},
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},
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{
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CustomHelpTemplate: helpTemplate,
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Name: "resource",
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Usage: "(Advanced) Create and update Mutable Resources",
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ArgsUsage: "<create|update|info>",
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Description: "Works with Mutable Resource Updates",
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Subcommands: []cli.Command{
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{
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Action: resourceCreate,
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CustomHelpTemplate: helpTemplate,
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Name: "create",
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Usage: "creates a new Mutable Resource",
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ArgsUsage: "<frequency>",
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Description: "creates a new Mutable Resource",
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Flags: []cli.Flag{SwarmResourceNameFlag, SwarmResourceDataOnCreateFlag, SwarmResourceMultihashFlag},
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},
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{
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Action: resourceUpdate,
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CustomHelpTemplate: helpTemplate,
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Name: "update",
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Usage: "updates the content of an existing Mutable Resource",
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ArgsUsage: "<Manifest Address or ENS domain> <0x Hex data>",
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Description: "updates the content of an existing Mutable Resource",
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Flags: []cli.Flag{SwarmResourceMultihashFlag},
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},
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{
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Action: resourceInfo,
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CustomHelpTemplate: helpTemplate,
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Name: "info",
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Usage: "obtains information about an existing Mutable Resource",
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ArgsUsage: "<Manifest Address or ENS domain>",
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Description: "obtains information about an existing Mutable Resource",
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},
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},
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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, SwarmAccessPasswordFlag},
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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: `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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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: manifestAdd,
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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>",
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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: manifestUpdate,
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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>",
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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: manifestRemove,
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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
|
|
|
|
The export may be quite large, consider piping the output through the Unix
|
|
pv(1) tool to get a progress bar:
|
|
|
|
swarm db export ~/.ethereum/swarm/bzz-KEY/chunks - | pv > chunks.tar
|
|
`,
|
|
},
|
|
{
|
|
Action: dbImport,
|
|
CustomHelpTemplate: helpTemplate,
|
|
Name: "import",
|
|
Usage: "import chunks from a tar archive into a local chunk database (use - to read from stdin)",
|
|
ArgsUsage: "<chunkdb> <file>",
|
|
Description: `Import chunks from a tar archive into a local chunk database (use - to read from stdin).
|
|
|
|
swarm db import ~/.ethereum/swarm/bzz-KEY/chunks chunks.tar
|
|
|
|
The import may be quite large, consider piping the input through the Unix
|
|
pv(1) tool to get a progress bar:
|
|
|
|
pv chunks.tar | swarm db import ~/.ethereum/swarm/bzz-KEY/chunks -`,
|
|
},
|
|
{
|
|
Action: dbClean,
|
|
CustomHelpTemplate: helpTemplate,
|
|
Name: "clean",
|
|
Usage: "remove corrupt entries from a local chunk database",
|
|
ArgsUsage: "<chunkdb>",
|
|
Description: "Remove corrupt entries from a local chunk database",
|
|
},
|
|
},
|
|
},
|
|
|
|
// See config.go
|
|
DumpConfigCommand,
|
|
}
|
|
|
|
// append a hidden help subcommand to all commands that have subcommands
|
|
// if a help command was already defined above, that one will take precedence.
|
|
addDefaultHelpSubcommands(app.Commands)
|
|
|
|
sort.Sort(cli.CommandsByName(app.Commands))
|
|
|
|
app.Flags = []cli.Flag{
|
|
utils.IdentityFlag,
|
|
utils.DataDirFlag,
|
|
utils.BootnodesFlag,
|
|
utils.KeyStoreDirFlag,
|
|
utils.ListenPortFlag,
|
|
utils.NoDiscoverFlag,
|
|
utils.DiscoveryV5Flag,
|
|
utils.NetrestrictFlag,
|
|
utils.NodeKeyFileFlag,
|
|
utils.NodeKeyHexFlag,
|
|
utils.MaxPeersFlag,
|
|
utils.NATFlag,
|
|
utils.IPCDisabledFlag,
|
|
utils.IPCPathFlag,
|
|
utils.PasswordFileFlag,
|
|
// bzzd-specific flags
|
|
CorsStringFlag,
|
|
EnsAPIFlag,
|
|
SwarmTomlConfigPathFlag,
|
|
SwarmSwapEnabledFlag,
|
|
SwarmSwapAPIFlag,
|
|
SwarmSyncDisabledFlag,
|
|
SwarmSyncUpdateDelay,
|
|
SwarmMaxStreamPeerServersFlag,
|
|
SwarmLightNodeEnabled,
|
|
SwarmDeliverySkipCheckFlag,
|
|
SwarmListenAddrFlag,
|
|
SwarmPortFlag,
|
|
SwarmAccountFlag,
|
|
SwarmNetworkIdFlag,
|
|
ChequebookAddrFlag,
|
|
// upload flags
|
|
SwarmApiFlag,
|
|
SwarmRecursiveFlag,
|
|
SwarmWantManifestFlag,
|
|
SwarmUploadDefaultPath,
|
|
SwarmUpFromStdinFlag,
|
|
SwarmUploadMimeType,
|
|
// storage flags
|
|
SwarmStorePath,
|
|
SwarmStoreCapacity,
|
|
SwarmStoreCacheCapacity,
|
|
}
|
|
rpcFlags := []cli.Flag{
|
|
utils.WSEnabledFlag,
|
|
utils.WSListenAddrFlag,
|
|
utils.WSPortFlag,
|
|
utils.WSApiFlag,
|
|
utils.WSAllowedOriginsFlag,
|
|
}
|
|
app.Flags = append(app.Flags, rpcFlags...)
|
|
app.Flags = append(app.Flags, debug.Flags...)
|
|
app.Flags = append(app.Flags, swarmmetrics.Flags...)
|
|
app.Flags = append(app.Flags, tracing.Flags...)
|
|
app.Before = func(ctx *cli.Context) error {
|
|
runtime.GOMAXPROCS(runtime.NumCPU())
|
|
if err := debug.Setup(ctx, ""); err != nil {
|
|
return err
|
|
}
|
|
swarmmetrics.Setup(ctx)
|
|
tracing.Setup(ctx)
|
|
return nil
|
|
}
|
|
app.After = func(ctx *cli.Context) error {
|
|
debug.Exit()
|
|
return nil
|
|
}
|
|
}
|
|
|
|
func main() {
|
|
if err := app.Run(os.Args); err != nil {
|
|
fmt.Fprintln(os.Stderr, err)
|
|
os.Exit(1)
|
|
}
|
|
}
|
|
|
|
func keys(ctx *cli.Context) error {
|
|
privateKey := getPrivKey(ctx)
|
|
pub := hex.EncodeToString(crypto.FromECDSAPub(&privateKey.PublicKey))
|
|
pubCompressed := hex.EncodeToString(crypto.CompressPubkey(&privateKey.PublicKey))
|
|
if !ctx.Bool(SwarmCompressedFlag.Name) {
|
|
fmt.Println(fmt.Sprintf("publicKey=%s", pub))
|
|
}
|
|
fmt.Println(fmt.Sprintf("publicKeyCompressed=%s", pubCompressed))
|
|
return nil
|
|
}
|
|
|
|
func version(ctx *cli.Context) error {
|
|
fmt.Println(strings.Title(clientIdentifier))
|
|
fmt.Println("Version:", sv.VersionWithMeta)
|
|
if gitCommit != "" {
|
|
fmt.Println("Git Commit:", gitCommit)
|
|
}
|
|
fmt.Println("Go Version:", runtime.Version())
|
|
fmt.Println("OS:", runtime.GOOS)
|
|
return nil
|
|
}
|
|
|
|
func bzzd(ctx *cli.Context) error {
|
|
//build a valid bzzapi.Config from all available sources:
|
|
//default config, file config, command line and env vars
|
|
|
|
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
|
|
}
|
|
|
|
//optionally set the bootnodes before configuring the node
|
|
setSwarmBootstrapNodes(ctx, &cfg)
|
|
//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()
|
|
}()
|
|
|
|
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))
|
|
}
|
|
|
|
// getPrivKey returns the private key of the specified bzzaccount
|
|
// Used only by client commands, such as `resource`
|
|
func getPrivKey(ctx *cli.Context) *ecdsa.PrivateKey {
|
|
// booting up the swarm node just as we do in bzzd action
|
|
bzzconfig, err := buildConfig(ctx)
|
|
if err != nil {
|
|
utils.Fatalf("unable to configure swarm: %v", err)
|
|
}
|
|
cfg := defaultNodeConfig
|
|
if _, err := os.Stat(bzzconfig.Path); err == nil {
|
|
cfg.DataDir = bzzconfig.Path
|
|
}
|
|
utils.SetNodeConfig(ctx, &cfg)
|
|
stack, err := node.New(&cfg)
|
|
if err != nil {
|
|
utils.Fatalf("can't create node: %v", err)
|
|
}
|
|
return getAccount(bzzconfig.BzzAccount, ctx, stack)
|
|
}
|
|
|
|
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
|
|
}
|
|
|
|
// addDefaultHelpSubcommand scans through defined CLI commands and adds
|
|
// a basic help subcommand to each
|
|
// if a help command is already defined, it will take precedence over the default.
|
|
func addDefaultHelpSubcommands(commands []cli.Command) {
|
|
for i := range commands {
|
|
cmd := &commands[i]
|
|
if cmd.Subcommands != nil {
|
|
cmd.Subcommands = append(cmd.Subcommands, defaultSubcommandHelp)
|
|
addDefaultHelpSubcommands(cmd.Subcommands)
|
|
}
|
|
}
|
|
}
|
|
|
|
func setSwarmBootstrapNodes(ctx *cli.Context, cfg *node.Config) {
|
|
if ctx.GlobalIsSet(utils.BootnodesFlag.Name) || ctx.GlobalIsSet(utils.BootnodesV4Flag.Name) {
|
|
return
|
|
}
|
|
|
|
cfg.P2P.BootstrapNodes = []*enode.Node{}
|
|
|
|
for _, url := range SwarmBootnodes {
|
|
node, err := enode.ParseV4(url)
|
|
if err != nil {
|
|
log.Error("Bootstrap URL invalid", "enode", url, "err", err)
|
|
}
|
|
cfg.P2P.BootstrapNodes = append(cfg.P2P.BootstrapNodes, node)
|
|
}
|
|
log.Debug("added default swarm bootnodes", "length", len(cfg.P2P.BootstrapNodes))
|
|
}
|