nimbus-eth2/beacon_chain/conf_common.nim

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# beacon_chain
# Copyright (c) 2023 Status Research & Development GmbH
# Licensed and distributed under either of
# * MIT license (license terms in the root directory or at https://opensource.org/licenses/MIT).
# * Apache v2 license (license terms in the root directory or at https://www.apache.org/licenses/LICENSE-2.0).
# at your option. This file may not be copied, modified, or distributed except according to those terms.
{.push raises: [].}
import std/os
import "."/[conf, conf_light_client]
import results, confutils, confutils/defs, confutils/std/net,
confutils/toml/defs as confTomlDefs,
confutils/toml/std/net as confTomlNet,
confutils/toml/std/uri as confTomlUri
proc makeBannerAndConfig*(clientId, copyright, banner, specVersion: string,
environment: openArray[string],
ConfType: type): Result[ConfType, string] =
let
version = clientId & "\p" & copyright & "\p\p" &
"eth2 specification v" & specVersion & "\p\p" &
banner
cmdLine = if len(environment) == 0: commandLineParams()
else: @environment
# TODO for some reason, copyrights are printed when doing `--help`
{.push warning[ProveInit]: off.}
let config = try:
ConfType.load(
version = version, # but a short version string makes more sense...
copyrightBanner = clientId,
cmdLine = cmdLine,
secondarySources = proc (
config: ConfType, sources: auto
) {.raises: [ConfigurationError], gcsafe.} =
if config.configFile.isSome:
sources.addConfigFile(Toml, config.configFile.get)
)
except CatchableError as exc:
# We need to log to stderr here, because logging hasn't been configured yet
var msg = "Failure while loading the configuration:\p" & exc.msg & "\p"
if (exc[] of ConfigurationError) and not(isNil(exc.parent)) and
(exc.parent[] of TomlFieldReadingError):
let fieldName = ((ref TomlFieldReadingError)(exc.parent)).field
if fieldName in ["el", "web3-url", "bootstrap-node",
"direct-peer", "validator-monitor-pubkey"]:
msg &= "Since the '" & fieldName & "' option is allowed to " &
"have more than one value, please make sure to supply " &
"a properly formatted TOML array\p"
return err(msg)
{.pop.}
ok(config)