72 lines
2.5 KiB
Nim
72 lines
2.5 KiB
Nim
# beacon_chain
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# Copyright (c) 2018-2020 Status Research & Development GmbH
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# Licensed and distributed under either of
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# * MIT license (license terms in the root directory or at https://opensource.org/licenses/MIT).
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# * Apache v2 license (license terms in the root directory or at https://www.apache.org/licenses/LICENSE-2.0).
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# at your option. This file may not be copied, modified, or distributed except according to those terms.
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# Common routines for a BeaconNode and a ValidatorClient
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import
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# Standard library
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tables, random, strutils,
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# Nimble packages
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chronos,
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chronicles, chronicles/helpers as chroniclesHelpers,
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# Local modules
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spec/[datatypes, crypto], eth2_network, time
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proc setupMainProc*(logLevel: string) =
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when compiles(defaultChroniclesStream.output.writer):
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defaultChroniclesStream.output.writer =
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proc (logLevel: LogLevel, msg: LogOutputStr) {.gcsafe, raises: [Defect].} =
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try:
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stdout.write(msg)
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except IOError as err:
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logLoggingFailure(cstring(msg), err)
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randomize()
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try:
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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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except ValueError as err:
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stderr.write "Invalid value for --log-level. " & err.msg
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quit 1
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template makeBannerAndConfig*(clientId: string, ConfType: type): untyped =
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let
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version = clientId & "\p" & copyrights & "\p\p" &
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"eth2 specification v" & SPEC_VERSION & "\p\p" &
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nimBanner
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# TODO for some reason, copyrights are printed when doing `--help`
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ConfType.load(
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version = version,
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copyrightBanner = clientId) # but a short version string makes more sense...
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# TODO not sure if this belongs here but it doesn't belong in `time.nim` either
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proc sleepToSlotOffset*(clock: BeaconClock, extra: chronos.Duration,
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slot: Slot, msg: static string): Future[bool] {.async.} =
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let
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fromNow = clock.fromNow(slot.toBeaconTime(extra))
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if fromNow.inFuture:
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trace msg,
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slot = shortLog(slot),
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fromNow = shortLog(fromNow.offset),
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cat = "scheduling"
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await sleepAsync(fromNow.offset)
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return true
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return false
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