154 lines
3.9 KiB
Nim
154 lines
3.9 KiB
Nim
## Nim-LibP2P
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## Copyright (c) 2019 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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{.push raises: [Defect].}
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import std/[options, sequtils, hashes]
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import pkg/[chronos, chronicles, stew/results]
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import peerid, multiaddress, crypto/crypto, errors
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export peerid, multiaddress, crypto, errors, results
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## A peer can be constructed in one of tree ways:
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## 1) A local peer with a private key
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## 2) A remote peer with a PeerID and it's public key stored
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## in the ``id`` itself
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## 3) A remote peer with a standalone public key, that isn't
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## encoded in the ``id``
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##
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type
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KeyType* = enum
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HasPrivate,
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HasPublic
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PeerInfoError* = LPError
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PeerInfo* = ref object of RootObj
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peerId*: PeerID
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addrs*: seq[MultiAddress]
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protocols*: seq[string]
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protoVersion*: string
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agentVersion*: string
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secure*: string
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case keyType*: KeyType:
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of HasPrivate:
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privateKey*: PrivateKey
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of HasPublic:
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key: Option[PublicKey]
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func shortLog*(p: PeerInfo): auto =
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(
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peerId: $p.peerId,
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addrs: mapIt(p.addrs, $it),
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protocols: mapIt(p.protocols, $it),
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protoVersion: p.protoVersion,
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agentVersion: p.agentVersion,
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)
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chronicles.formatIt(PeerInfo): shortLog(it)
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template postInit(peerinfo: PeerInfo,
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addrs: openarray[MultiAddress],
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protocols: openarray[string]) =
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if len(addrs) > 0:
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peerinfo.addrs = @addrs
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if len(protocols) > 0:
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peerinfo.protocols = @protocols
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proc init*(
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p: typedesc[PeerInfo],
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key: PrivateKey,
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addrs: openarray[MultiAddress] = [],
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protocols: openarray[string] = [],
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protoVersion: string = "",
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agentVersion: string = ""): PeerInfo
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{.raises: [Defect, PeerInfoError].} =
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let peerInfo = PeerInfo(
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keyType: HasPrivate,
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peerId: PeerID.init(key).tryGet(),
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privateKey: key,
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protoVersion: protoVersion,
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agentVersion: agentVersion)
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peerInfo.postInit(addrs, protocols)
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return peerInfo
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proc init*(
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p: typedesc[PeerInfo],
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peerId: PeerID,
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addrs: openarray[MultiAddress] = [],
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protocols: openarray[string] = [],
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protoVersion: string = "",
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agentVersion: string = ""): PeerInfo =
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let peerInfo = PeerInfo(
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keyType: HasPublic,
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peerId: peerId,
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protoVersion: protoVersion,
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agentVersion: agentVersion)
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peerInfo.postInit(addrs, protocols)
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return peerInfo
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proc init*(
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p: typedesc[PeerInfo],
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peerId: string,
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addrs: openarray[MultiAddress] = [],
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protocols: openarray[string] = [],
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protoVersion: string = "",
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agentVersion: string = ""): PeerInfo
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{.raises: [Defect, PeerInfoError].} =
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let peerInfo = PeerInfo(
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keyType: HasPublic,
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peerId: PeerID.init(peerId).tryGet(),
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protoVersion: protoVersion,
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agentVersion: agentVersion)
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peerInfo.postInit(addrs, protocols)
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return peerInfo
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proc init*(
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p: typedesc[PeerInfo],
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key: PublicKey,
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addrs: openarray[MultiAddress] = [],
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protocols: openarray[string] = [],
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protoVersion: string = "",
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agentVersion: string = ""): PeerInfo
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{.raises: [Defect, PeerInfoError].} =
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let peerInfo = PeerInfo(
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keyType: HasPublic,
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peerId: PeerID.init(key).tryGet(),
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key: some(key),
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protoVersion: protoVersion,
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agentVersion: agentVersion)
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peerInfo.postInit(addrs, protocols)
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return peerInfo
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proc publicKey*(p: PeerInfo): Option[PublicKey] =
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var res = none(PublicKey)
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if p.keyType == HasPublic:
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if p.peerId.hasPublicKey():
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var pubKey: PublicKey
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if p.peerId.extractPublicKey(pubKey):
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res = some(pubKey)
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elif p.key.isSome:
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res = p.key
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else:
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let pkeyRes = p.privateKey.getPublicKey()
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if pkeyRes.isOk:
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res = some(pkeyRes.get())
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return res
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func hash*(p: PeerInfo): Hash =
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cast[pointer](p).hash
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