nimbus-eth1/fluffy/tests/test_portal.nim

158 lines
5.1 KiB
Nim

# Nimbus - Portal Network
# Copyright (c) 2021 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.
{.used.}
import
chronos, testutils/unittests, stew/shims/net,
eth/keys, eth/p2p/discoveryv5/routing_table,
eth/p2p/discoveryv5/protocol as discv5_protocol,
../network/state/portal_protocol,
./test_helpers
type Default2NodeTest = ref object
node1: discv5_protocol.Protocol
node2: discv5_protocol.Protocol
proto1: PortalProtocol
proto2: PortalProtocol
proc defaultTestCase(rng: ref BrHmacDrbgContext): Default2NodeTest =
let
node1 = initDiscoveryNode(
rng, PrivateKey.random(rng[]), localAddress(20302))
node2 = initDiscoveryNode(
rng, PrivateKey.random(rng[]), localAddress(20303))
proto1 = PortalProtocol.new(node1)
proto2 = PortalProtocol.new(node2)
Default2NodeTest(node1: node1, node2: node2, proto1: proto1, proto2: proto2)
proc stopTest(test: Default2NodeTest) {.async.} =
test.proto1.stop()
test.proto2.stop()
await test.node1.closeWait()
await test.node2.closeWait()
procSuite "Portal Tests":
let rng = newRng()
asyncTest "Portal Ping/Pong":
let test = defaultTestCase(rng)
let pong = await test.proto1.ping(test.proto2.baseProtocol.localNode)
check:
pong.isOk()
pong.get().enrSeq == 1'u64
pong.get().dataRadius == UInt256.high()
await test.stopTest()
asyncTest "Portal correctly mark node as seen after request":
let test = defaultTestCase(rng)
let initialNeighbours = test.proto1.neighbours(test.proto1.baseProtocol.localNode.id, seenOnly = false)
check:
len(initialNeighbours) == 0
discard test.proto1.addNode(test.proto2.baseProtocol.localNode)
let allNeighboursAfterAdd = test.proto1.neighbours(test.proto1.baseProtocol.localNode.id, seenOnly = false)
let seenNeighboursAfterAdd = test.proto1.neighbours(test.proto1.baseProtocol.localNode.id, seenOnly = true)
check:
len(allNeighboursAfterAdd) == 1
len(seenNeighboursAfterAdd) == 0
let pong = await test.proto1.ping(test.proto2.baseProtocol.localNode)
let allNeighboursAfterPing = test.proto1.neighbours(test.proto1.baseProtocol.localNode.id, seenOnly = false)
let seenNeighboursAfterPing = test.proto1.neighbours(test.proto1.baseProtocol.localNode.id, seenOnly = true)
check:
pong.isOk()
len(allNeighboursAfterPing) == 1
len(seenNeighboursAfterPing) == 1
await test.stopTest()
asyncTest "Portal FindNode/Nodes":
let test = defaultTestCase(rng)
block: # Find itself
let nodes = await test.proto1.findNode(test.proto2.baseProtocol.localNode,
List[uint16, 256](@[0'u16]))
check:
nodes.isOk()
nodes.get().total == 1'u8
nodes.get().enrs.len() == 1
block: # Find nothing: this should result in nothing as we haven't started
# the seeding of the portal protocol routing table yet.
let nodes = await test.proto1.findNode(test.proto2.baseProtocol.localNode,
List[uint16, 256](@[]))
check:
nodes.isOk()
nodes.get().total == 1'u8
nodes.get().enrs.len() == 0
block: # Find for distance
# ping in one direction to add, ping in the other to update as seen,
# adding the node in the discovery v5 routing table. Could also launch
# with bootstrap node instead.
check (await test.node1.ping(test.node2.localNode)).isOk()
check (await test.node2.ping(test.node1.localNode)).isOk()
# Start the portal protocol to seed nodes from the discoveryv5 routing
# table.
test.proto2.start()
let distance = logDist(test.node1.localNode.id, test.node2.localNode.id)
let nodes = await test.proto1.findNode(test.proto2.baseProtocol.localNode,
List[uint16, 256](@[distance]))
check:
nodes.isOk()
nodes.get().total == 1'u8
nodes.get().enrs.len() == 1
await test.stopTest()
asyncTest "Portal FindContent/FoundContent - send enrs":
let test = defaultTestCase(rng)
# ping in one direction to add, ping in the other to update as seen.
check (await test.node1.ping(test.node2.localNode)).isOk()
check (await test.node2.ping(test.node1.localNode)).isOk()
# Start the portal protocol to seed nodes from the discoveryv5 routing
# table.
test.proto2.start()
var nodeHash: NodeHash
let contentKey = ContentKey(networkId: 0'u16,
contentType: ContentType.Account,
nodeHash: nodeHash)
# content does not exist so this should provide us with the closest nodes
# to the content, which is the only node in the routing table.
let foundContent = await test.proto1.findContent(test.proto2.baseProtocol.localNode,
contentKey)
check:
foundContent.isOk()
foundContent.get().enrs.len() == 1
foundContent.get().payload.len() == 0
await test.stopTest()