nim-eth/tests/p2p/test_discovery.nim

58 lines
1.8 KiB
Nim

#
# Ethereum P2P
# (c) Copyright 2018
# Status Research & Development GmbH
#
# See the file "LICENSE", included in this
# distribution, for details about the copyright.
#
import sequtils, logging
import eth/keys, asyncdispatch2, byteutils
import eth/p2p/[discovery, kademlia, enode]
const clientId = "nim-eth-p2p/0.0.1"
addHandler(newConsoleLogger())
proc startDiscoveryNode(privKey: PrivateKey, address: Address, bootnodes: seq[ENode]): Future[DiscoveryProtocol] {.async.} =
result = newDiscoveryProtocol(privKey, address, bootnodes)
result.open()
await result.bootstrap()
proc localAddress(port: int): Address =
let port = Port(port)
result = Address(udpPort: port, tcpPort: port, ip: parseIpAddress("127.0.0.1"))
let
bootNodeKey = initPrivateKey("a2b50376a79b1a8c8a3296485572bdfbf54708bb46d3c25d73d2723aaaf6a617")
bootNodeAddr = localAddress(20301)
bootENode = initENode(bootNodeKey.getPublicKey, bootNodeAddr)
nodeKeys = [
initPrivateKey("a2b50376a79b1a8c8a3296485572bdfbf54708bb46d3c25d73d2723aaaf6a618"),
initPrivateKey("a2b50376a79b1a8c8a3296485572bdfbf54708bb46d3c25d73d2723aaaf6a619"),
initPrivateKey("a2b50376a79b1a8c8a3296485572bdfbf54708bb46d3c25d73d2723aaaf6a620")
]
proc nodeIdInNodes(id: NodeId, nodes: openarray[Node]): bool =
for n in nodes:
if id == n.id: return true
proc test() {.async.} =
let bootNode = await startDiscoveryNode(bootNodeKey, bootNodeAddr, @[])
var nodeAddrs = newSeqOfCap[Address](nodeKeys.len)
for i in 0 ..< nodeKeys.len: nodeAddrs.add(localAddress(20302 + i))
var nodes = await all(zip(nodeKeys, nodeAddrs).mapIt(
startDiscoveryNode(it.a, it.b, @[bootENode]))
)
nodes.add(bootNode)
for i in nodes:
for j in nodes:
if j != i:
doAssert(nodeIdInNodes(i.thisNode.id, j.randomNodes(nodes.len - 1)))
waitFor test()