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nim-codex
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## Nim-Codex
## Copyright (c) 2021 Status Research & Development GmbH
## Licensed under either of
## * Apache License, version 2.0, ([LICENSE-APACHE](LICENSE-APACHE))
## * MIT license ([LICENSE-MIT](LICENSE-MIT))
## at your option.
## This file may not be copied, modified, or distributed except according to
## those terms.
{.push raises: [].}
import std/os
import std/terminal
import std/options
import std/strutils
import std/typetraits
import pkg/chronos
import pkg/chronicles/helpers
import pkg/chronicles/topics_registry
import pkg/confutils/defs
import pkg/confutils/std/net
import pkg/toml_serialization
import pkg/metrics
import pkg/metrics/chronos_httpserver
import pkg/stew/shims/net as stewnet
import pkg/stew/shims/parseutils
import pkg/stew/byteutils
import pkg/libp2p
import pkg/ethers
import pkg/questionable
import pkg/questionable/results
import ./codextypes
import ./discovery
import ./logutils
import ./stores
import ./units
import ./utils
export units, net, codextypes, logutils
export
DefaultQuotaBytes,
DefaultBlockTtl,
DefaultBlockMaintenanceInterval,
DefaultNumberOfBlocksToMaintainPerInterval
proc defaultDataDir*(): string =
let dataDir = when defined(windows):
"AppData" / "Roaming" / "Codex"
elif defined(macosx):
"Library" / "Application Support" / "Codex"
else:
".cache" / "codex"
getHomeDir() / dataDir
const
codex_enable_api_debug_peers* {.booldefine.} = false
codex_enable_proof_failures* {.booldefine.} = false
codex_enable_log_counter* {.booldefine.} = false
DefaultDataDir* = defaultDataDir()
type
StartUpCmd* {.pure.} = enum
noCmd
persistence
PersistenceCmd* {.pure.} = enum
noCmd
prover
LogKind* {.pure.} = enum
Auto = "auto"
Colors = "colors"
NoColors = "nocolors"
Json = "json"
None = "none"
RepoKind* = enum
repoFS = "fs"
repoSQLite = "sqlite"
repoLevelDb = "leveldb"
CodexConf* = object
configFile* {.
desc: "Loads the configuration from a TOML file"
defaultValueDesc: "none"
defaultValue: InputFile.none
name: "config-file" }: Option[InputFile]
logLevel* {.
defaultValue: "info"
desc: "Sets the log level",
name: "log-level" }: string
logFormat* {.
hidden
desc: "Specifies what kind of logs should be written to stdout (auto, colors, nocolors, json)"
defaultValueDesc: "auto"
defaultValue: LogKind.Auto
name: "log-format" }: LogKind
metricsEnabled* {.
desc: "Enable the metrics server"
defaultValue: false
name: "metrics" }: bool
metricsAddress* {.
desc: "Listening address of the metrics server"
defaultValue: ValidIpAddress.init("127.0.0.1")
defaultValueDesc: "127.0.0.1"
name: "metrics-address" }: ValidIpAddress
metricsPort* {.
desc: "Listening HTTP port of the metrics server"
defaultValue: 8008
name: "metrics-port" }: Port
dataDir* {.
desc: "The directory where codex will store configuration and data"
defaultValue: DefaultDataDir
defaultValueDesc: $DefaultDataDir
abbr: "d"
name: "data-dir" }: OutDir
listenAddrs* {.
desc: "Multi Addresses to listen on"
defaultValue: @[
MultiAddress.init("/ip4/0.0.0.0/tcp/0")
.expect("Should init multiaddress")]
defaultValueDesc: "/ip4/0.0.0.0/tcp/0"
abbr: "i"
name: "listen-addrs" }: seq[MultiAddress]
# TODO: change this once we integrate nat support
nat* {.
desc: "IP Addresses to announce behind a NAT"
defaultValue: ValidIpAddress.init("127.0.0.1")
defaultValueDesc: "127.0.0.1"
abbr: "a"
name: "nat" }: ValidIpAddress
discoveryIp* {.
desc: "Discovery listen address"
defaultValue: ValidIpAddress.init(IPv4_any())
defaultValueDesc: "0.0.0.0"
abbr: "e"
name: "disc-ip" }: ValidIpAddress
discoveryPort* {.
desc: "Discovery (UDP) port"
defaultValue: 8090.Port
defaultValueDesc: "8090"
abbr: "u"
name: "disc-port" }: Port
netPrivKeyFile* {.
desc: "Source of network (secp256k1) private key file path or name"
defaultValue: "key"
name: "net-privkey" }: string
bootstrapNodes* {.
desc: "Specifies one or more bootstrap nodes to use when connecting to the network"
abbr: "b"
name: "bootstrap-node" }: seq[SignedPeerRecord]
maxPeers* {.
desc: "The maximum number of peers to connect to"
defaultValue: 160
name: "max-peers" }: int
agentString* {.
defaultValue: "Codex"
desc: "Node agent string which is used as identifier in network"
name: "agent-string" }: string
apiBindAddress* {.
desc: "The REST API bind address"
defaultValue: "127.0.0.1"
name: "api-bindaddr"
}: string
apiPort* {.
desc: "The REST Api port",
defaultValue: 8080.Port
defaultValueDesc: "8080"
name: "api-port"
abbr: "p" }: Port
apiCorsAllowedOrigin* {.
desc: "The REST Api CORS allowed origin for downloading data. '*' will allow all origins, '' will allow none.",
defaultValue: string.none
defaultValueDesc: "Disallow all cross origin requests to download data"
name: "api-cors-origin" }: Option[string]
repoKind* {.
desc: "Backend for main repo store (fs, sqlite, leveldb)"
defaultValueDesc: "fs"
defaultValue: repoFS
name: "repo-kind" }: RepoKind
storageQuota* {.
desc: "The size of the total storage quota dedicated to the node"
defaultValue: DefaultQuotaBytes
defaultValueDesc: $DefaultQuotaBytes
name: "storage-quota"
abbr: "q" }: NBytes
blockTtl* {.
desc: "Default block timeout in seconds - 0 disables the ttl"
defaultValue: DefaultBlockTtl
defaultValueDesc: $DefaultBlockTtl
name: "block-ttl"
abbr: "t" }: Duration
blockMaintenanceInterval* {.
desc: "Time interval in seconds - determines frequency of block maintenance cycle: how often blocks are checked for expiration and cleanup"
defaultValue: DefaultBlockMaintenanceInterval
defaultValueDesc: $DefaultBlockMaintenanceInterval
name: "block-mi" }: Duration
blockMaintenanceNumberOfBlocks* {.
desc: "Number of blocks to check every maintenance cycle"
defaultValue: DefaultNumberOfBlocksToMaintainPerInterval
defaultValueDesc: $DefaultNumberOfBlocksToMaintainPerInterval
name: "block-mn" }: int
cacheSize* {.
desc: "The size of the block cache, 0 disables the cache - might help on slow hardrives"
defaultValue: 0
defaultValueDesc: "0"
name: "cache-size"
abbr: "c" }: NBytes
logFile* {.
desc: "Logs to file"
defaultValue: string.none
name: "log-file"
hidden
.}: Option[string]
case cmd* {.
defaultValue: noCmd
command }: StartUpCmd
of persistence:
ethProvider* {.
desc: "The URL of the JSON-RPC API of the Ethereum node"
defaultValue: "ws://localhost:8545"
name: "eth-provider"
.}: string
ethAccount* {.
desc: "The Ethereum account that is used for storage contracts"
defaultValue: EthAddress.none
defaultValueDesc: ""
name: "eth-account"
.}: Option[EthAddress]
ethPrivateKey* {.
desc: "File containing Ethereum private key for storage contracts"
defaultValue: string.none
defaultValueDesc: ""
name: "eth-private-key"
.}: Option[string]
marketplaceAddress* {.
desc: "Address of deployed Marketplace contract"
defaultValue: EthAddress.none
defaultValueDesc: ""
name: "marketplace-address"
.}: Option[EthAddress]
# TODO: should go behind a feature flag
simulateProofFailures* {.
desc: "Simulates proof failures once every N proofs. 0 = disabled."
defaultValue: 0
name: "simulate-proof-failures"
hidden
.}: int
validator* {.
desc: "Enables validator, requires an Ethereum node"
defaultValue: false
name: "validator"
.}: bool
validatorMaxSlots* {.
desc: "Maximum number of slots that the validator monitors"
defaultValue: 1000
name: "validator-max-slots"
.}: int
validatorBucket* {.
desc: "Range of SlotIds to validate. If not declared, all SlotIds will be validated, up to `validatorMaxSlots`"
defaultValue: uint16.none
name: "validator-bucket"
.}: Option[uint16]
case persistenceCmd* {.
defaultValue: noCmd
command }: PersistenceCmd
of PersistenceCmd.prover:
circomR1cs* {.
desc: "The r1cs file for the storage circuit"
defaultValue: $DefaultDataDir / "circuits" / "proof_main.r1cs"
defaultValueDesc: $DefaultDataDir & "/circuits/proof_main.r1cs"
name: "circom-r1cs"
.}: InputFile
circomWasm* {.
desc: "The wasm file for the storage circuit"
defaultValue: $DefaultDataDir / "circuits" / "proof_main.wasm"
defaultValueDesc: $DefaultDataDir & "/circuits/proof_main.wasm"
name: "circom-wasm"
.}: InputFile
circomZkey* {.
desc: "The zkey file for the storage circuit"
defaultValue: $DefaultDataDir / "circuits" / "proof_main.zkey"
defaultValueDesc: $DefaultDataDir & "/circuits/proof_main.zkey"
name: "circom-zkey"
.}: InputFile
# TODO: should probably be hidden and behind a feature flag
circomNoZkey* {.
desc: "Ignore the zkey file - use only for testing!"
defaultValue: false
name: "circom-no-zkey"
.}: bool
numProofSamples* {.
desc: "Number of samples to prove"
defaultValue: DefaultSamplesNum
defaultValueDesc: $DefaultSamplesNum
name: "proof-samples" }: int
maxSlotDepth* {.
desc: "The maximum depth of the slot tree"
defaultValue: DefaultMaxSlotDepth
defaultValueDesc: $DefaultMaxSlotDepth
name: "max-slot-depth" }: int
maxDatasetDepth* {.
desc: "The maximum depth of the dataset tree"
defaultValue: DefaultMaxDatasetDepth
defaultValueDesc: $DefaultMaxDatasetDepth
name: "max-dataset-depth" }: int
maxBlockDepth* {.
desc: "The maximum depth of the network block merkle tree"
defaultValue: DefaultBlockDepth
defaultValueDesc: $DefaultBlockDepth
name: "max-block-depth" }: int
maxCellElms* {.
desc: "The maximum number of elements in a cell"
defaultValue: DefaultCellElms
defaultValueDesc: $DefaultCellElms
name: "max-cell-elements" }: int
of PersistenceCmd.noCmd:
discard
of StartUpCmd.noCmd:
discard # end of persistence
EthAddress* = ethers.Address
logutils.formatIt(LogFormat.textLines, EthAddress): it.short0xHexLog
logutils.formatIt(LogFormat.json, EthAddress): %it
func persistence*(self: CodexConf): bool =
self.cmd == StartUpCmd.persistence
func prover*(self: CodexConf): bool =
self.persistence and self.persistenceCmd == PersistenceCmd.prover
proc getCodexVersion(): string =
let tag = strip(staticExec("git tag"))
if tag.isEmptyOrWhitespace:
return "untagged build"
return tag
proc getCodexRevision(): string =
# using a slice in a static context breaks nimsuggest for some reason
var res = strip(staticExec("git rev-parse --short HEAD"))
return res
proc getNimBanner(): string =
staticExec("nim --version | grep Version")
const
codexVersion* = getCodexVersion()
codexRevision* = getCodexRevision()
nimBanner* = getNimBanner()
codexFullVersion* =
"Codex version: " & codexVersion & "\p" &
"Codex revision: " & codexRevision & "\p" &
nimBanner
proc parseCmdArg*(T: typedesc[MultiAddress],
input: string): MultiAddress
{.upraises: [ValueError, LPError].} =
var ma: MultiAddress
let res = MultiAddress.init(input)
if res.isOk:
ma = res.get()
else:
warn "Invalid MultiAddress", input=input, error = res.error()
quit QuitFailure
ma
proc parseCmdArg*(T: type SignedPeerRecord, uri: string): T =
var res: SignedPeerRecord
try:
if not res.fromURI(uri):
warn "Invalid SignedPeerRecord uri", uri = uri
quit QuitFailure
except CatchableError as exc:
warn "Invalid SignedPeerRecord uri", uri = uri, error = exc.msg
quit QuitFailure
res
proc parseCmdArg*(T: type EthAddress, address: string): T =
EthAddress.init($address).get()
proc parseCmdArg*(T: type NBytes, val: string): T =
var num = 0'i64
let count = parseSize(val, num, alwaysBin = true)
if count == 0:
warn "Invalid number of bytes", nbytes = val
quit QuitFailure
NBytes(num)
proc parseCmdArg*(T: type Duration, val: string): T =
var dur: Duration
let count = parseDuration(val, dur)
if count == 0:
warn "Cannot parse duration", dur = dur
quit QuitFailure
dur
proc readValue*(r: var TomlReader, val: var EthAddress)
{.upraises: [SerializationError, IOError].} =
val = EthAddress.init(r.readValue(string)).get()
proc readValue*(r: var TomlReader, val: var SignedPeerRecord) =
without uri =? r.readValue(string).catch, err:
error "invalid SignedPeerRecord configuration value", error = err.msg
quit QuitFailure
val = SignedPeerRecord.parseCmdArg(uri)
proc readValue*(r: var TomlReader, val: var MultiAddress) =
without input =? r.readValue(string).catch, err:
error "invalid MultiAddress configuration value", error = err.msg
quit QuitFailure
let res = MultiAddress.init(input)
if res.isOk:
val = res.get()
else:
warn "Invalid MultiAddress", input=input, error=res.error()
quit QuitFailure
proc readValue*(r: var TomlReader, val: var NBytes)
{.upraises: [SerializationError, IOError].} =
var value = 0'i64
var str = r.readValue(string)
let count = parseSize(str, value, alwaysBin = true)
if count == 0:
error "invalid number of bytes for configuration value", value = str
quit QuitFailure
val = NBytes(value)
proc readValue*(r: var TomlReader, val: var Duration)
{.upraises: [SerializationError, IOError].} =
var str = r.readValue(string)
var dur: Duration
let count = parseDuration(str, dur)
if count == 0:
error "Invalid duration parse", value = str
quit QuitFailure
val = dur
# no idea why confutils needs this:
proc completeCmdArg*(T: type EthAddress; val: string): seq[string] =
discard
proc completeCmdArg*(T: type NBytes; val: string): seq[string] =
discard
proc completeCmdArg*(T: type Duration; val: string): seq[string] =
discard
# silly chronicles, colors is a compile-time property
proc stripAnsi*(v: string): string =
var
res = newStringOfCap(v.len)
i: int
while i < v.len:
let c = v[i]
if c == '\x1b':
var
x = i + 1
found = false
while x < v.len: # look for [..m
let c2 = v[x]
if x == i + 1:
if c2 != '[':
break
else:
if c2 in {'0'..'9'} + {';'}:
discard # keep looking
elif c2 == 'm':
i = x + 1
found = true
break
else:
break
inc x
if found: # skip adding c
continue
res.add c
inc i
res
proc updateLogLevel*(logLevel: string) {.upraises: [ValueError].} =
# Updates log levels (without clearing old ones)
let directives = logLevel.split(";")
try:
setLogLevel(parseEnum[LogLevel](directives[0].toUpperAscii))
except ValueError:
raise (ref ValueError)(msg: "Please specify one of: trace, debug, info, notice, warn, error or fatal")
if directives.len > 1:
for topicName, settings in parseTopicDirectives(directives[1..^1]):
if not setTopicState(topicName, settings.state, settings.logLevel):
warn "Unrecognized logging topic", topic = topicName
proc setupLogging*(conf: CodexConf) =
when defaultChroniclesStream.outputs.type.arity != 3:
warn "Logging configuration options not enabled in the current build"
else:
var logFile: ?IoHandle
proc noOutput(logLevel: LogLevel, msg: LogOutputStr) = discard
proc writeAndFlush(f: File, msg: LogOutputStr) =
try:
f.write(msg)
f.flushFile()
except IOError as err:
logLoggingFailure(cstring(msg), err)
proc stdoutFlush(logLevel: LogLevel, msg: LogOutputStr) =
writeAndFlush(stdout, msg)
proc noColorsFlush(logLevel: LogLevel, msg: LogOutputStr) =
writeAndFlush(stdout, stripAnsi(msg))
proc fileFlush(logLevel: LogLevel, msg: LogOutputStr) =
if file =? logFile:
if error =? file.writeFile(stripAnsi(msg).toBytes).errorOption:
error "failed to write to log file", errorCode = $error
defaultChroniclesStream.outputs[2].writer = noOutput
if logFilePath =? conf.logFile and logFilePath.len > 0:
let logFileHandle = openFile(
logFilePath,
{OpenFlags.Write, OpenFlags.Create, OpenFlags.Truncate}
)
if logFileHandle.isErr:
error "failed to open log file",
path = logFilePath,
errorCode = $logFileHandle.error
else:
logFile = logFileHandle.option
defaultChroniclesStream.outputs[2].writer = fileFlush
defaultChroniclesStream.outputs[1].writer = noOutput
let writer =
case conf.logFormat:
of LogKind.Auto:
if isatty(stdout):
stdoutFlush
else:
noColorsFlush
of LogKind.Colors: stdoutFlush
of LogKind.NoColors: noColorsFlush
of LogKind.Json:
defaultChroniclesStream.outputs[1].writer = stdoutFlush
noOutput
of LogKind.None:
noOutput
when codex_enable_log_counter:
var counter = 0.uint64
proc numberedWriter(logLevel: LogLevel, msg: LogOutputStr) =
inc(counter)
let withoutNewLine = msg[0..^2]
writer(logLevel, withoutNewLine & " count=" & $counter & "\n")
defaultChroniclesStream.outputs[0].writer = numberedWriter
else:
defaultChroniclesStream.outputs[0].writer = writer
try:
updateLogLevel(conf.logLevel)
except ValueError as err:
try:
stderr.write "Invalid value for --log-level. " & err.msg & "\n"
except IOError:
echo "Invalid value for --log-level. " & err.msg
quit QuitFailure
proc setupMetrics*(config: CodexConf) =
if config.metricsEnabled:
let metricsAddress = config.metricsAddress
notice "Starting metrics HTTP server",
url = "http://" & $metricsAddress & ":" & $config.metricsPort & "/metrics"
try:
startMetricsHttpServer($metricsAddress, config.metricsPort)
except CatchableError as exc:
raiseAssert exc.msg
except Exception as exc:
raiseAssert exc.msg # TODO fix metrics
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