mirror of
https://github.com/logos-storage/logos-storage-nim.git
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107 lines
4.3 KiB
Nim
107 lines
4.3 KiB
Nim
# Presets are hard-coded configuration bundles that get compiled into code. They can refer
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# to different things, but the canonical example are sets of bootstrap nodes that define
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# logically different networks; e.g., "logos.dev" and "logos.test" refer to the Logos
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# devnet and latest testnet, respectively.
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import std/options
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import std/strutils
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import pkg/chronicles
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import pkg/codexdht/discv5/protocol
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import pkg/libp2p/[errors, routing_record]
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import pkg/results
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import pkg/stew/base64
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# A NetworkPreset is a set of bootstrap nodes (represented
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# by their signed peer records) along with some description metadata.
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type NetworkPreset* = object
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name*: string
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description*: string
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unparsedRecords: seq[string]
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proc init*(
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T: type NetworkPreset, name: string, description: string, records: seq[string]
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): T =
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result.name = name
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result.description = description
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# We have to delay parsing of records to runtime because
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# of https://github.com/nim-lang/Nim/issues/23468
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result.unparsedRecords = records
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func `$`*(preset: NetworkPreset): string =
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"[" & preset.name & "]: " & preset.description
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func `$`*[N](presets: array[N, NetworkPreset]): string =
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result = ""
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for preset in presets:
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result &= $preset & "; "
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proc parse*(T: type SignedPeerRecord, p: string): Result[SignedPeerRecord, string] =
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var res: SignedPeerRecord
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try:
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if not res.fromURI(p):
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return err("The uri is not a valid SignedPeerRecord: " & p)
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return ok(res)
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except LPError, Base64Error:
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let e = getCurrentException()
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return err(e.msg)
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proc `bootstrapNodes`*(self: NetworkPreset): seq[SignedPeerRecord] =
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for record in self.unparsedRecords:
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# Having an invalid SPR in a hardcoded config is a bug, a+
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# it should crash the node.
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result.add(parse(SignedPeerRecord, record).tryGet())
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const NetworkPresets* = [
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NetworkPreset.init(
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"logos.dev",
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"Logos devnet",
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@[
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"spr:CiUIAhIhAwfZDeTtWNlSgRbZlZfvxLI5Bpy0lFEYN7gImS3oHNaSEgIDARpJCicAJQgCEiEDB9kN5O1Y2VKBFtmVl-" &
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"_EsjkGnLSUURg3uAiZLegc1pIQ__O20AYaCwoJBBiQTsiRAiOCGgsKCQQYkE7IkQIjgipHMEUCIQCIZx-HlVsLXJLhD6SEV" &
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"x6Zt_1aG9IqMq-Luvz8No_J0wIgc8I9PRtheG4s5tzHjkEJMLcq3Jf09IT_FGkzPcJm8h4",
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"spr:CiUIAhIhA8d4LjRirtXO1M-JEmbhVA0CQeA7hHNR9BA7DvFsPKTEEgIDARpJCicAJQgCEiEDx3guNGKu1c7Uz4kSZu" &
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"FUDQJB4DuEc1H0EDsO8Ww8pMQQhPW20AYaCwoJBCIq5juRAiOCGgsKCQQiKuY7kQIjgipGMEQCIHV_8nJ0iedWjlAxUhBm" &
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"dAbDPLu5g2RmcnmJBD8cbD98AiAp1w9nAJgLlPIr41aMcdkds_eSoh8ImOVKvq6Idx-Ugg",
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"spr:CiUIAhIhA_MocWwn1_t__FEONMqYluUjc9ZVkcvYRLo6C0GzTkbfEgIDARpJCicAJQgCEiED8yhxbCfX-3_8UQ40yp" &
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"iW5SNz1lWRy9hEujoLQbNORt8QlfO20AYaCwoJBC_u5W-RAiOCGgsKCQQv7uVvkQIjgipGMEQCIHMpQO31gg4FoKYtDyTT" &
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"QS8xFz1KEmfqH385EeMUNbhPAiBblCkmOfQBmXj6eryaSiXWsftgohE-SPbKwsASZ1Zs3Q",
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],
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),
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NetworkPreset.init(
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"codex.dev",
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"Codex legacy devnet (deprecated)",
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@[
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"spr:CiUIAhIhA-VlcoiRm02KyIzrcTP-ljFpzTljfBRRKTIvhMIwqBqWEgIDARpJCicAJQgCEiED5WVyiJGbTYrIjOtxM_6" &
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"WMWnNOWN8FFEpMi-EwjCoGpYQs8n8wQYaCwoJBHTKubmRAnU6GgsKCQR0yrm5kQJ1OipHMEUCIQDwUNsfReB4ty7JFS" &
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"5WVQ6n1fcko89qVAOfQEHixa03rgIgan2-uFNDT-r4s9TOkLe9YBkCbsRWYCHGGVJ25rLj0QE",
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"spr:CiUIAhIhApIj9p6zJDRbw2NoCo-tj98Y760YbppRiEpGIE1yGaMzEgIDARpJCicAJQgCEiECkiP2nrMkNFvDY2gKj62P" &
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"3xjvrRhumlGISkYgTXIZozMQvcz8wQYaCwoJBAWhF3WRAnVEGgsKCQQFoRd1kQJ1RCpGMEQCIFZB84O_nzPNuViqEGRL" &
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"1vJTjHBJ-i5ZDgFL5XZxm4HAAiB8rbLHkUdFfWdiOmlencYVn0noSMRHzn4lJYoShuVzlw",
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"spr:CiUIAhIhApqRgeWRPSXocTS9RFkQmwTZRG-Cdt7UR2N7POoz606ZEgIDARpJCicAJQgCEiECmpGB5ZE9JehxNL1EWRCb" &
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"BNlEb4J23tRHY3s86jPrTpkQj8_8wQYaCwoJBAXfEfiRAnVOGgsKCQQF3xH4kQJ1TipGMEQCIGWJMsF57N1iIEQgTH7I" &
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"rVOgEgv0J2P2v3jvQr5Cjy-RAiAy4aiZ8QtyDvCfl_K_w6SyZ9csFGkRNTpirq_M_QNgKw",
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],
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),
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]
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proc `default`*(presets: openArray[NetworkPreset]): NetworkPreset =
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presets[0]
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# Precomputes those as as consts so we can use them in nim-confutils CLI
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# help strings.
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const
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NetworkPresetsDescription* = $NetworkPresets
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DefaultNetworkPreset* = NetworkPresets.default
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proc find*(presets: openArray[NetworkPreset], p: string): Option[NetworkPreset] =
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for preset in presets:
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if preset.name == p:
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return some(preset)
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return none(NetworkPreset)
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proc findByPrefix*(presets: openArray[NetworkPreset], val: string): seq[string] =
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for p in presets:
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if p.name.startsWith(val):
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result.add p.name
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