Add PeerID support to multiaddress.
Change some PeerID api. Some fixes to chat.
This commit is contained in:
cheatfate
parent
215c6c4257
commit
a96718cf9e
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@ -1,5 +1,5 @@
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import asyncdispatch2, nimcrypto, strutils
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import ../libp2p/daemon/daemonapi, ../libp2p/[base58, multiaddress]
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import chronos, nimcrypto, strutils
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import ../libp2p/daemon/daemonapi
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const
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ConsoleAddress = "/tmp/console-chat.sock"
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@ -39,10 +39,10 @@ proc serveThread(server: StreamServer,
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if line.startsWith("/connect"):
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var parts = line.split(" ")
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if len(parts) == 2:
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var peerId = Base58.decode(parts[1])
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var address = MultiAddress.init(P_P2PCIRCUIT)
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address &= MultiAddress.init(P_P2P, peerId)
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echo "= Searching for peer ", parts[1]
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var peerId = PeerID.init(parts[1])
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var address = MultiAddress.init(multiCodec("p2p-circuit"))
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address &= MultiAddress.init(multiCodec("p2p"), peerId)
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echo "= Searching for peer ", peerId.pretty()
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var id = await udata.api.dhtFindPeer(peerId)
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echo "= Peer " & parts[1] & " found at addresses:"
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for item in id.addresses:
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@ -57,8 +57,8 @@ proc serveThread(server: StreamServer,
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elif line.startsWith("/search"):
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var parts = line.split(" ")
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if len(parts) == 2:
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var peerId = Base58.decode(parts[1])
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echo "= Searching for peer ", parts[1]
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var peerId = PeerID.init(parts[1])
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echo "= Searching for peer ", peerId.pretty()
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var id = await udata.api.dhtFindPeer(peerId)
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echo "= Peer " & parts[1] & " found at addresses:"
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for item in id.addresses:
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@ -66,12 +66,12 @@ proc serveThread(server: StreamServer,
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elif line.startsWith("/consearch"):
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var parts = line.split(" ")
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if len(parts) == 2:
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var peerId = Base58.decode(parts[1])
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var peerId = PeerID.init(parts[1])
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echo "= Searching for peers connected to peer ", parts[1]
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var peers = await udata.api.dhtFindPeersConnectedToPeer(peerId)
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echo "= Found ", len(peers), " connected to peer ", parts[1]
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for item in peers:
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var peer = Base58.encode(item.peer)
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var peer = item.peer
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var addresses = newSeq[string]()
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var relay = false
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for a in item.addresses:
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@ -80,9 +80,9 @@ proc serveThread(server: StreamServer,
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relay = true
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break
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if relay:
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echo peer, " * ", " [", addresses.join(", "), "]"
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echo peer.pretty(), " * ", " [", addresses.join(", "), "]"
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else:
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echo peer, " [", addresses.join(", "), "]"
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echo peer.pretty(), " [", addresses.join(", "), "]"
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elif line.startsWith("/exit"):
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quit(0)
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else:
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@ -112,7 +112,7 @@ proc main() {.async.} =
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var id = await data.api.identity()
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proc streamHandler(api: DaemonAPI, stream: P2PStream) {.async.} =
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echo "= Peer ", Base58.encode(stream.peer), " joined chat"
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echo "= Peer ", stream.peer.pretty(), " joined chat"
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data.remotes.add(stream.transp)
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while true:
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var line = await stream.transp.readLine()
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@ -121,8 +121,8 @@ proc main() {.async.} =
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echo ">> ", line
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await data.api.addHandler(ServerProtocols, streamHandler)
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echo "= Your PeerID is ", Base58.encode(id.peer)
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echo "= Your PeerID is ", id.peer.pretty()
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when isMainModule:
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waitFor(main())
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while true:
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@ -10,6 +10,7 @@
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## This module implements MultiAddress.
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import tables, strutils, net
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import multicodec, multihash, multibase, transcoder, base58, base32, vbuffer
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import peer
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{.deadCodeElim:on.}
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@ -562,7 +563,7 @@ proc validate*(ma: MultiAddress): bool =
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discard
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result = true
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proc init*(mtype: typedesc[MultiAddress], protocol: int,
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proc init*(mtype: typedesc[MultiAddress], protocol: MultiCodec,
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value: openarray[byte]): MultiAddress =
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## Initialize MultiAddress object from protocol id ``protocol`` and array
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## of bytes ``value``.
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@ -582,7 +583,13 @@ proc init*(mtype: typedesc[MultiAddress], protocol: int,
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result.data.writeSeq(data)
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result.data.finish()
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proc init*(mtype: typedesc[MultiAddress], protocol: int): MultiAddress =
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proc init*(mtype: typedesc[MultiAddress], protocol: MultiCodec,
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value: PeerID): MultiAddress {.inline.} =
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## Initialize MultiAddress object from protocol id ``protocol`` and peer id
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## ``value``.
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init(mtype, protocol, cast[seq[byte]](value))
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proc init*(mtype: typedesc[MultiAddress], protocol: MultiCodec): MultiAddress =
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## Initialize MultiAddress object from protocol id ``protocol``.
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let proto = CodeAddresses.getOrDefault(protocol)
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if proto.kind == None:
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@ -590,7 +597,7 @@ proc init*(mtype: typedesc[MultiAddress], protocol: int): MultiAddress =
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result.data = initVBuffer()
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if proto.kind != Marker:
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raise newException(MultiAddressError, "Protocol missing value")
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result.data.writeVarint(cast[uint64](proto.code))
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result.data.writeVarint(cast[uint64](proto.mcodec))
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result.data.finish()
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proc getProtocol(name: string): MAProtocol {.inline.} =
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@ -19,6 +19,8 @@ const
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type
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PeerID* = distinct seq[byte]
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PeerIDError* = object of Exception
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proc pretty*(peerid: PeerID): string {.inline.} =
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## Return base58 encoded ``peerid`` representation.
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Base58.encode(cast[seq[byte]](peerid))
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@ -37,22 +39,7 @@ proc getBytes*(peerid: PeerID): seq[byte] {.inline.} =
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var p = cast[seq[byte]](peerid)
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result = @p
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proc fromKey*(pubkey: PublicKey): PeerID =
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## Returns the PeerID corresponding to public key ``pubkey``.
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var pubraw = pubkey.getBytes()
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var mh: MultiHash
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var codec: MultiCodec
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if len(pubraw) <= maxInlineKeyLength:
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mh = MultiHash.digest("identity", pubraw)
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else:
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mh = MultiHash.digest("sha2-256", pubraw)
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result = cast[PeerID](mh.data.buffer)
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proc fromKey*(seckey: PrivateKey): PeerID {.inline.} =
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## Returns the PeerID corresponding to private key ``seckey``.
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result = fromKey(seckey.getKey())
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proc hex*(peerid: PeerID): string =
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proc hex*(peerid: PeerID): string {.inline.} =
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## Returns hexadecimal string representation of ``peerid``.
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var p = cast[seq[byte]](peerid)
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if len(p) > 0:
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@ -124,14 +111,6 @@ proc extractPublicKey*(peerid: PeerID, pubkey: var PublicKey): bool =
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let length = len(mh.data.buffer)
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result = pubkey.init(mh.data.buffer.toOpenArray(mh.dpos, length - 1))
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proc match*(peerid: PeerID, pubkey: PublicKey): bool {.inline.} =
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## Returns ``true`` if ``peerid`` matches public key ``pubkey``.
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result = (peerid == pubkey.fromKey())
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proc match*(peerid: PeerID, seckey: PrivateKey): bool {.inline.} =
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## Returns ``true`` if ``peerid`` matches private key ``seckey``.
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result = (peerid == seckey.fromKey())
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proc `$`*(peerid: PeerID): string =
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## Returns compact string representation of ``peerid``.
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var pid = peerid.pretty()
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@ -144,6 +123,61 @@ proc `$`*(peerid: PeerID): string =
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for i in (len(pid) - 6)..(len(pid) - 1):
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result.add(pid[i])
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proc init*(pid: var PeerID, data: openarray[byte]): bool =
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## Initialize peer id from raw binary representation ``data``.
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##
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## Returns ``true`` if peer was successfully initialiazed.
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var p = cast[PeerID](@data)
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if p.validate():
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pid = p
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proc init*(pid: var PeerID, data: string): bool =
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## Initialize peer id from base58 encoded string representation.
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##
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## Returns ``true`` if peer was successfully initialiazed.
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var p = newSeq[byte](len(data) + 4)
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var length = 0
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if Base58.decode(data, p, length) == Base58Status.Success:
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p.setLen(length)
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var opid = cast[PeerID](p)
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if opid.validate():
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pid = opid
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proc init*(t: typedesc[PeerID], data: openarray[byte]): PeerID {.inline.} =
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## Create new peer id from raw binary representation ``data``.
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if not init(result, data):
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raise newException(PeerIDError, "Incorrect PeerID binary form")
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proc init*(t: typedesc[PeerID], data: string): PeerID {.inline.} =
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## Create new peer id from base58 encoded string representation ``data``.
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if not init(result, data):
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raise newException(PeerIDError, "Incorrect PeerID string")
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proc init*(t: typedesc[PeerID], pubkey: PublicKey): PeerID =
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## Create new peer id from public key ``pubkey``.
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var pubraw = pubkey.getBytes()
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var mh: MultiHash
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var codec: MultiCodec
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if len(pubraw) <= maxInlineKeyLength:
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mh = MultiHash.digest("identity", pubraw)
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else:
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mh = MultiHash.digest("sha2-256", pubraw)
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result = cast[PeerID](mh.data.buffer)
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proc init*(t: typedesc[PeerID], seckey: PrivateKey): PeerID {.inline.} =
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## Create new peer id from private key ``seckey``.
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result = PeerID.init(seckey.getKey())
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proc match*(peerid: PeerID, pubkey: PublicKey): bool {.inline.} =
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## Returns ``true`` if ``peerid`` matches public key ``pubkey``.
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result = (peerid == PeerID.init(pubkey))
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proc match*(peerid: PeerID, seckey: PrivateKey): bool {.inline.} =
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## Returns ``true`` if ``peerid`` matches private key ``seckey``.
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result = (peerid == PeerID.init(seckey))
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## Serialization/Deserialization helpers
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proc write*(vb: var VBuffer, peerid: PeerID) {.inline.} =
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## Write PeerID value ``peerid`` to buffer ``vb``.
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var p = cast[seq[byte]](peerid)
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