362 lines
10 KiB
Nim
362 lines
10 KiB
Nim
## Nim-Codex
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## Copyright (c) 2021 Status Research & Development GmbH
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## Licensed under either of
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## * Apache License, version 2.0, ([LICENSE-APACHE](LICENSE-APACHE))
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## * MIT license ([LICENSE-MIT](LICENSE-MIT))
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## at your option.
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## This file may not be copied, modified, or distributed except according to
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## those terms.
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import pkg/upraises
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push: {.upraises: [].}
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import std/os
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import std/terminal
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import std/options
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import std/strutils
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import std/typetraits
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import pkg/chronos
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import pkg/chronicles
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import pkg/chronicles/helpers
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import pkg/chronicles/topics_registry
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import pkg/confutils/defs
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import pkg/confutils/std/net
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import pkg/metrics
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import pkg/metrics/chronos_httpserver
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import pkg/stew/shims/net as stewnet
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import pkg/libp2p
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import pkg/ethers
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import ./discovery
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import ./stores
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export DefaultCacheSizeMiB, DefaultQuotaBytes, DefaultBlockTtl, net
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type
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StartUpCommand* {.pure.} = enum
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noCommand,
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initNode
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LogKind* = enum
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Auto = "auto"
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Colors = "colors"
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NoColors = "nocolors"
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Json = "json"
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None = "none"
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CodexConf* = object
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logLevel* {.
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defaultValue: "INFO"
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desc: "Sets the log level",
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name: "log-level" }: string
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logFormat* {.
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hidden
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desc: "Specifies what kind of logs should be written to stdout (auto, colors, nocolors, json)"
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defaultValueDesc: "auto"
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defaultValue: LogKind.Auto
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name: "log-format" }: LogKind
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metricsEnabled* {.
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desc: "Enable the metrics server"
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defaultValue: false
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name: "metrics" }: bool
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metricsAddress* {.
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desc: "Listening address of the metrics server"
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defaultValue: ValidIpAddress.init("127.0.0.1")
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defaultValueDesc: "127.0.0.1"
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name: "metrics-address" }: ValidIpAddress
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metricsPort* {.
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desc: "Listening HTTP port of the metrics server"
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defaultValue: 8008
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name: "metrics-port" }: Port
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dataDir* {.
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desc: "The directory where codex will store configuration and data."
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defaultValue: defaultDataDir()
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defaultValueDesc: ""
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abbr: "d"
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name: "data-dir" }: OutDir
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case cmd* {.
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command
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defaultValue: noCommand }: StartUpCommand
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of noCommand:
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listenAddrs* {.
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desc: "Multi Addresses to listen on"
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defaultValue: @[
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MultiAddress.init("/ip4/0.0.0.0/tcp/0")
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.expect("Should init multiaddress")]
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defaultValueDesc: "/ip4/0.0.0.0/tcp/0"
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abbr: "i"
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name: "listen-addrs" }: seq[MultiAddress]
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# TODO: change this once we integrate nat support
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nat* {.
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desc: "IP Addresses to announce behind a NAT"
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defaultValue: ValidIpAddress.init("127.0.0.1")
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defaultValueDesc: "127.0.0.1"
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abbr: "a"
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name: "nat" }: ValidIpAddress
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discoveryIp* {.
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desc: "Discovery listen address"
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defaultValue: ValidIpAddress.init(IPv4_any())
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defaultValueDesc: "0.0.0.0"
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abbr: "e"
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name: "disc-ip" }: ValidIpAddress
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discoveryPort* {.
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desc: "Discovery (UDP) port"
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defaultValue: 8090.Port
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defaultValueDesc: "8090"
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abbr: "u"
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name: "disc-port" }: Port
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netPrivKeyFile* {.
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desc: "Source of network (secp256k1) private key file path or name"
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defaultValue: "key"
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name: "net-privkey" }: string
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bootstrapNodes* {.
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desc: "Specifies one or more bootstrap nodes to use when connecting to the network."
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abbr: "b"
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name: "bootstrap-node" }: seq[SignedPeerRecord]
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maxPeers* {.
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desc: "The maximum number of peers to connect to"
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defaultValue: 160
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name: "max-peers" }: int
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agentString* {.
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defaultValue: "Codex"
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desc: "Node agent string which is used as identifier in network"
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name: "agent-string" }: string
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apiBindAddress* {.
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desc: "The REST API bind address"
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defaultValue: "127.0.0.1"
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name: "api-bindaddr"
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}: string
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apiPort* {.
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desc: "The REST Api port",
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defaultValue: 8080
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defaultValueDesc: "8080"
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name: "api-port"
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abbr: "p" }: int
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storageQuota* {.
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desc: "The size of the total storage quota dedicated to the node"
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defaultValue: DefaultQuotaBytes
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defaultValueDesc: $DefaultQuotaBytes
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name: "storage-quota"
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abbr: "q" }: Natural
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blockTtl* {.
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desc: "Default block timeout in seconds - 0 disables the ttl"
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defaultValue: DefaultBlockTtl.secs
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defaultValueDesc: "86400" # 24h in secs
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name: "block-ttl"
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abbr: "t" }: Natural
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cacheSize* {.
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desc: "The size in MiB of the block cache, 0 disables the cache - might help on slow hardrives"
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defaultValue: 0
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defaultValueDesc: "0"
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name: "cache-size"
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abbr: "c" }: Natural
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persistence* {.
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desc: "Enables persistence mechanism, requires an Ethereum node"
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defaultValue: false
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name: "persistence"
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.}: bool
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ethProvider* {.
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desc: "The URL of the JSON-RPC API of the Ethereum node"
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defaultValue: "ws://localhost:8545"
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name: "eth-provider"
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.}: string
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ethAccount* {.
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desc: "The Ethereum account that is used for storage contracts"
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defaultValue: EthAddress.none
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name: "eth-account"
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.}: Option[EthAddress]
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ethDeployment* {.
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desc: "The json file describing the contract deployment"
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defaultValue: string.none
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name: "eth-deployment"
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.}: Option[string]
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of initNode:
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discard
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EthAddress* = ethers.Address
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proc getCodexVersion(): string =
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let tag = strip(staticExec("git tag"))
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if tag.isEmptyOrWhitespace:
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return "untagged build"
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return tag
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proc getCodexRevision(): string =
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strip(staticExec("git rev-parse --short HEAD"))[0..5]
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proc getNimBanner(): string =
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staticExec("nim --version | grep Version")
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const
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codexVersion* = getCodexVersion()
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codexRevision* = getCodexRevision()
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nimBanner* = getNimBanner()
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codexFullVersion* =
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"Codex version: " & codexVersion & "\p" &
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"Codex revision: " & codexRevision & "\p" &
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nimBanner
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proc defaultDataDir*(): string =
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let dataDir = when defined(windows):
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"AppData" / "Roaming" / "Codex"
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elif defined(macosx):
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"Library" / "Application Support" / "Codex"
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else:
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".cache" / "codex"
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getHomeDir() / dataDir
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func parseCmdArg*(T: type MultiAddress, input: TaintedString): T
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{.raises: [ValueError, LPError, Defect].} =
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MultiAddress.init($input).tryGet()
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proc parseCmdArg*(T: type SignedPeerRecord, uri: TaintedString): T =
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var res: SignedPeerRecord
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try:
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if not res.fromURI(uri):
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warn "Invalid SignedPeerRecord uri", uri=uri
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quit QuitFailure
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except CatchableError as exc:
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warn "Invalid SignedPeerRecord uri", uri=uri, error=exc.msg
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quit QuitFailure
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res
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func parseCmdArg*(T: type EthAddress, address: TaintedString): T =
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EthAddress.init($address).get()
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# no idea why confutils needs this:
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proc completeCmdArg*(T: type EthAddress; val: TaintedString): seq[string] =
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discard
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# silly chronicles, colors is a compile-time property
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proc stripAnsi(v: string): string =
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var
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res = newStringOfCap(v.len)
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i: int
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while i < v.len:
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let c = v[i]
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if c == '\x1b':
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var
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x = i + 1
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found = false
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while x < v.len: # look for [..m
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let c2 = v[x]
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if x == i + 1:
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if c2 != '[':
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break
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else:
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if c2 in {'0'..'9'} + {';'}:
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discard # keep looking
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elif c2 == 'm':
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i = x + 1
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found = true
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break
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else:
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break
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inc x
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if found: # skip adding c
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continue
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res.add c
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inc i
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res
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proc updateLogLevel*(logLevel: string) {.raises: [Defect, ValueError].} =
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# Updates log levels (without clearing old ones)
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let directives = logLevel.split(";")
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try:
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setLogLevel(parseEnum[LogLevel](directives[0]))
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except ValueError:
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raise (ref ValueError)(msg: "Please specify one of TRACE, DEBUG, INFO, NOTICE, WARN, ERROR or FATAL")
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if directives.len > 1:
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for topicName, settings in parseTopicDirectives(directives[1..^1]):
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if not setTopicState(topicName, settings.state, settings.logLevel):
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warn "Unrecognized logging topic", topic = topicName
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proc setupLogging*(conf: CodexConf) =
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when defaultChroniclesStream.outputs.type.arity != 2:
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warn "Logging configuration options not enabled in the current build"
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else:
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proc noOutput(logLevel: LogLevel, msg: LogOutputStr) = discard
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proc writeAndFlush(f: File, msg: LogOutputStr) =
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try:
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f.write(msg)
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f.flushFile()
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except IOError as err:
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logLoggingFailure(cstring(msg), err)
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proc stdoutFlush(logLevel: LogLevel, msg: LogOutputStr) =
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writeAndFlush(stdout, msg)
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proc noColorsFlush(logLevel: LogLevel, msg: LogOutputStr) =
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writeAndFlush(stdout, stripAnsi(msg))
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defaultChroniclesStream.outputs[1].writer = noOutput
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defaultChroniclesStream.outputs[0].writer =
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case conf.logFormat:
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of LogKind.Auto:
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if isatty(stdout):
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stdoutFlush
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else:
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noColorsFlush
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of LogKind.Colors: stdoutFlush
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of LogKind.NoColors: noColorsFlush
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of LogKind.Json:
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defaultChroniclesStream.outputs[1].writer = stdoutFlush
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noOutput
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of LogKind.None:
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noOutput
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try:
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updateLogLevel(conf.logLevel)
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except ValueError as err:
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try:
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stderr.write "Invalid value for --log-level. " & err.msg & "\n"
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except IOError:
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echo "Invalid value for --log-level. " & err.msg
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quit QuitFailure
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proc setupMetrics*(config: CodexConf) =
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if config.metricsEnabled:
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let metricsAddress = config.metricsAddress
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notice "Starting metrics HTTP server",
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url = "http://" & $metricsAddress & ":" & $config.metricsPort & "/metrics"
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try:
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startMetricsHttpServer($metricsAddress, config.metricsPort)
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except CatchableError as exc:
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raiseAssert exc.msg
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except Exception as exc:
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raiseAssert exc.msg # TODO fix metrics
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