nim-eth/tests/p2p/test_discoveryv5.nim

746 lines
28 KiB
Nim

{.used.}
import
std/tables,
chronos, chronicles, stint, testutils/unittests, stew/shims/net,
stew/byteutils, bearssl,
../../eth/keys,
../../eth/p2p/discoveryv5/[enr, node, routing_table, encoding, sessions, messages, nodes_verification],
../../eth/p2p/discoveryv5/protocol as discv5_protocol,
./discv5_test_helper
procSuite "Discovery v5 Tests":
let rng = newRng()
asyncTest "GetNode":
# TODO: This could be tested in just a routing table only context
let
node = initDiscoveryNode(rng, PrivateKey.random(rng[]), localAddress(20302))
targetNode = generateNode(PrivateKey.random(rng[]))
check node.addNode(targetNode)
for i in 0..<1000:
discard node.addNode(generateNode(PrivateKey.random(rng[])))
let n = node.getNode(targetNode.id)
check n.isSome()
check n.get() == targetNode
await node.closeWait()
asyncTest "Node deletion":
let
bootnode = initDiscoveryNode(
rng, PrivateKey.random(rng[]), localAddress(20301))
node1 = initDiscoveryNode(
rng, PrivateKey.random(rng[]), localAddress(20302),
@[bootnode.localNode.record])
node2 = initDiscoveryNode(
rng, PrivateKey.random(rng[]), localAddress(20303),
@[bootnode.localNode.record])
pong1 = await discv5_protocol.ping(node1, bootnode.localNode)
pong2 = await discv5_protocol.ping(node1, node2.localNode)
check pong1.isOk() and pong2.isOk()
await bootnode.closeWait()
await node2.closeWait()
await node1.revalidateNode(bootnode.localNode)
await node1.revalidateNode(node2.localNode)
let n = node1.getNode(bootnode.localNode.id)
check:
n.isSome()
n.get() == bootnode.localNode
node1.getNode(node2.localNode.id).isNone()
await node1.closeWait()
test "Distance check":
const
targetId = "0x0000"
testValues = [
("0x0000", 0'u16),
("0x0001", 1'u16),
("0x0002", 2'u16),
("0x0003", 2'u16),
("0x0004", 3'u16),
("0x0007", 3'u16),
("0x0008", 4'u16),
("0x000f", 4'u16),
("0x0080", 8'u16),
("0x00ff", 8'u16),
("0x0100", 9'u16),
("0x01ff", 9'u16),
("0x8000", 16'u16),
("0xffff", 16'u16)
]
for (id, d) in testValues:
check logDistance(parse(targetId, UInt256, 16), parse(id, UInt256, 16)) == d
test "Distance check with keys":
# Values for this test are taken from
# https://github.com/ethereum/go-ethereum/blob/d8ff53dfb8a516f47db37dbc7fd7ad18a1e8a125/p2p/discover/v4_lookup_test.go#L176
const
targetKey = "5d485bdcbe9bc89314a10ae9231e429d33853e3a8fa2af39f5f827370a2e4185e344ace5d16237491dad41f278f1d3785210d29ace76cd627b9147ee340b1125"
testValues = [
("29738ba0c1a4397d6a65f292eee07f02df8e58d41594ba2be3cf84ce0fc58169", 251'u16),
("511b1686e4e58a917f7f848e9bf5539d206a68f5ad6b54b552c2399fe7d174ae", 251'u16),
("d09e5eaeec0fd596236faed210e55ef45112409a5aa7f3276d26646080dcfaeb", 251'u16),
("c1e20dbbf0d530e50573bd0a260b32ec15eb9190032b4633d44834afc8afe578", 251'u16),
("ed5f38f5702d92d306143e5d9154fb21819777da39af325ea359f453d179e80b", 251'u16),
("1c9b1cafbec00848d2c174b858219914b42a7d5c9359b1ca03fd650e8239ae94", 252'u16),
("e0e1e8db4a6f13c1ffdd3e96b72fa7012293ced187c9dcdcb9ba2af37a46fa10", 252'u16),
("3d53823e0a0295cb09f3e11d16c1b44d07dd37cec6f739b8df3a590189fe9fb9", 252'u16),
("2d0511ae9bf590166597eeab86b6f27b1ab761761eaea8965487b162f8703847", 253'u16),
("6cfbd7b8503073fc3dbdb746a7c672571648d3bd15197ccf7f7fef3d904f53a2", 253'u16),
("a30599b12827b69120633f15b98a7f6bc9fc2e9a0fd6ae2ebb767c0e64d743ab", 253'u16),
("14a98db9b46a831d67eff29f3b85b1b485bb12ae9796aea98d91be3dc78d8a91", 253'u16),
("2369ff1fc1ff8ca7d20b17e2673adc3365c3674377f21c5d9dafaff21fe12e24", 253'u16),
("9ae91101d6b5048607f41ec0f690ef5d09507928aded2410aabd9237aa2727d7", 253'u16),
("05e3c59090a3fd1ae697c09c574a36fcf9bedd0afa8fe3946f21117319ca4973", 253'u16),
("06f31c5ea632658f718a91a1b1b9ae4b7549d7b3bc61cbc2be5f4a439039f3ad", 253'u16),
("dec742079ec00ff4ec1284d7905bc3de2366f67a0769431fd16f80fd68c58a7c", 254'u16),
("ff02c8861fa12fbd129d2a95ea663492ef9c1e51de19dcfbbfe1c59894a28d2b", 254'u16),
("4dded9e4eefcbce4262be4fd9e8a773670ab0b5f448f286ec97dfc8cf681444a", 254'u16),
("750d931e2a8baa2c9268cb46b7cd851f4198018bed22f4dceb09dd334a2395f6", 254'u16),
("ce1435a956a98ffec484cd11489c4f165cf1606819ab6b521cee440f0c677e9e", 254'u16),
("996e7f8d1638be92d7328b4770f47e5420fc4bafecb4324fd33b1f5d9f403a75", 254'u16),
("46bd1eddcf6431bea66fc19ebc45df191c1c7d6ed552dcdc7392885009c322f0", 254'u16),
("da8645f90826e57228d9ea72aff84500060ad111a5d62e4af831ed8e4b5acfb8", 255'u16),
("3c944c5d9af51d4c1d43f5d0f3a1a7ef65d5e82744d669b58b5fed242941a566", 255'u16),
("5ebcde76f1d579eebf6e43b0ffe9157e65ffaa391175d5b9aa988f47df3e33da", 255'u16),
("97f78253a7d1d796e4eaabce721febcc4550dd68fb11cc818378ba807a2cb7de", 255'u16),
("a38cd7dc9b4079d1c0406afd0fdb1165c285f2c44f946eca96fc67772c988c7d", 255'u16),
("d64cbb3ffdf712c372b7a22a176308ef8f91861398d5dbaf326fd89c6eaeef1c", 255'u16),
("d269609743ef29d6446e3355ec647e38d919c82a4eb5837e442efd7f4218944f", 255'u16),
("d8f7bcc4a530efde1d143717007179e0d9ace405ddaaf151c4d863753b7fd64c", 255'u16),
("8c5b422155d33ea8e9d46f71d1ad3e7b24cb40051413ffa1a81cff613d243ba9", 256'u16),
("937b1af801def4e8f5a3a8bd225a8bcff1db764e41d3e177f2e9376e8dd87233", 256'u16),
("120260dce739b6f71f171da6f65bc361b5fad51db74cf02d3e973347819a6518", 256'u16),
("1fa56cf25d4b46c2bf94e82355aa631717b63190785ac6bae545a88aadc304a9", 256'u16),
("3c38c503c0376f9b4adcbe935d5f4b890391741c764f61b03cd4d0d42deae002", 256'u16),
("3a54af3e9fa162bc8623cdf3e5d9b70bf30ade1d54cc3abea8659aba6cff471f", 256'u16),
("6799a02ea1999aefdcbcc4d3ff9544478be7365a328d0d0f37c26bd95ade0cda", 256'u16),
("e24a7bc9051058f918646b0f6e3d16884b2a55a15553b89bab910d55ebc36116", 256'u16)
]
let targetId = toNodeId(PublicKey.fromHex(targetKey)[])
for (key, d) in testValues:
let id = toNodeId(PrivateKey.fromHex(key)[].toPublicKey())
check logDistance(targetId, id) == d
test "Distance to id check":
const
targetId = "0x0000"
testValues = [ # possible id in that distance range
("0x0001", 1'u16),
("0x0002", 2'u16),
("0x0004", 3'u16),
("0x0008", 4'u16),
("0x0080", 8'u16),
("0x0100", 9'u16),
("0x8000", 16'u16)
]
for (id, d) in testValues:
check idAtDistance(parse(targetId, UInt256, 16), d) == parse(id, UInt256, 16)
test "Distance to id check with keys":
const
targetKey = "5d485bdcbe9bc89314a10ae9231e429d33853e3a8fa2af39f5f827370a2e4185e344ace5d16237491dad41f278f1d3785210d29ace76cd627b9147ee340b1125"
testValues = [ # possible id in that distance range
("9e5b34809116e3790b2258a45e7ef03b11af786503fb1a6d4b4a8ca021ad653c", 251'u16),
("925b34809116e3790b2258a45e7ef03b11af786503fb1a6d4b4a8ca021ad653c", 252'u16),
("8a5b34809116e3790b2258a45e7ef03b11af786503fb1a6d4b4a8ca021ad653c", 253'u16),
("ba5b34809116e3790b2258a45e7ef03b11af786503fb1a6d4b4a8ca021ad653c", 254'u16),
("da5b34809116e3790b2258a45e7ef03b11af786503fb1a6d4b4a8ca021ad653c", 255'u16),
("1a5b34809116e3790b2258a45e7ef03b11af786503fb1a6d4b4a8ca021ad653c", 256'u16)
]
let targetId = toNodeId(PublicKey.fromHex(targetKey)[])
for (id, d) in testValues:
check idAtDistance(targetId, d) == parse(id, UInt256, 16)
asyncTest "FindNode Test":
const dist = 253'u16
let
mainNodeKey = PrivateKey.fromHex(
"a2b50376a79b1a8c8a3296485572bdfbf54708bb46d3c25d73d2723aaaf6a617")[]
testNodeKey = PrivateKey.fromHex(
"a2b50376a79b1a8c8a3296485572bdfbf54708bb46d3c25d73d2723aaaf6a618")[]
mainNode = initDiscoveryNode(rng, mainNodeKey, localAddress(20301))
testNode = initDiscoveryNode(rng, testNodeKey, localAddress(20302))
# logarithmic distance between mainNode and testNode is 256
let nodes = nodesAtDistance(mainNode.localNode, rng[], dist, 10)
for n in nodes:
discard mainNode.addSeenNode(n) # for testing only!
# ping in one direction to add, ping in the other to update seen.
check (await testNode.ping(mainNode.localNode)).isOk()
check (await mainNode.ping(testNode.localNode)).isOk()
# Get ENR of the node itself
var discovered =
await findNode(testNode, mainNode.localNode, @[0'u16])
check:
discovered.isOk
discovered[].len == 1
discovered[][0] == mainNode.localNode
# Get ENRs of nodes added at provided logarithmic distance
discovered =
await findNode(testNode, mainNode.localNode, @[dist])
check discovered.isOk
check discovered[].len == 10
for n in nodes:
check discovered[].contains(n)
# Too high logarithmic distance, should return no nodes.
discovered =
await findNode(testNode, mainNode.localNode, @[high(uint16)])
check:
discovered.isOk
discovered[].len == 0
# Logarithmic distance of 256 should only return the testNode
discovered =
await findNode(testNode, mainNode.localNode, @[256'u16])
check:
discovered.isOk
discovered[].len == 1
discovered[][0] == testNode.localNode
# Empty bucket
discovered =
await findNode(testNode, mainNode.localNode, @[254'u16])
check discovered.isOk
check discovered[].len == 0
let moreNodes = nodesAtDistance(mainNode.localNode, rng[], dist, 10)
for n in moreNodes:
discard mainNode.addSeenNode(n) # for testing only!
# Full bucket
discovered =
await findNode(testNode, mainNode.localNode, @[dist])
check discovered.isOk
check discovered[].len == 16
await mainNode.closeWait()
await testNode.closeWait()
asyncTest "FindNode with test table":
let mainNode =
initDiscoveryNode(rng, PrivateKey.random(rng[]), localAddress(20301))
# Generate 1000 random nodes and add to our main node's routing table
for i in 0..<1000:
discard mainNode.addSeenNode(generateNode(PrivateKey.random(rng[]))) # for testing only!
let
neighbours = mainNode.neighbours(mainNode.localNode.id)
closest = neighbours[0]
closestDistance = logDistance(closest.id, mainNode.localNode.id)
debug "Closest neighbour", closestDistance, id=closest.id.toHex()
let
testNode = initDiscoveryNode(
rng, PrivateKey.random(rng[]), localAddress(20302),
@[mainNode.localNode.record])
discovered = await findNode(testNode, mainNode.localNode,
@[closestDistance])
check discovered.isOk
check closest in discovered[]
await mainNode.closeWait()
await testNode.closeWait()
asyncTest "Lookup targets":
const
nodeCount = 17
let bootNode =
initDiscoveryNode(rng, PrivateKey.random(rng[]), localAddress(20301))
bootNode.start()
var nodes = newSeqOfCap[discv5_protocol.Protocol](nodeCount)
nodes.add(bootNode)
for i in 1 ..< nodeCount:
nodes.add(initDiscoveryNode(rng, PrivateKey.random(rng[]), localAddress(20301 + i),
@[bootNode.localNode.record]))
# Make sure all nodes have "seen" each other by forcing pings
for n in nodes:
for t in nodes:
if n != t:
let pong = await n.ping(t.localNode)
check pong.isOk()
if pong.isErr():
echo pong.error
# check (await n.ping(t.localNode)).isOk()
for i in 1 ..< nodeCount:
nodes[i].start()
for i in 0..<nodeCount-1:
let target = nodes[i]
let discovered = await nodes[nodeCount-1].lookup(target.localNode.id)
debug "Lookup result", target = target.localNode, discovered
check discovered[0] == target.localNode
for node in nodes:
await node.closeWait()
asyncTest "Resolve target":
let
mainNode =
initDiscoveryNode(rng, PrivateKey.random(rng[]), localAddress(20301))
lookupNode =
initDiscoveryNode(rng, PrivateKey.random(rng[]), localAddress(20302))
targetKey = PrivateKey.random(rng[])
targetAddress = localAddress(20303)
targetNode = initDiscoveryNode(rng, targetKey, targetAddress)
targetId = targetNode.localNode.id
var targetSeqNum = targetNode.localNode.record.seqNum
# Populate routing table with target through a ping. Next, close target and
# see if resolve works (only local getNode).
block:
let pong = await targetNode.ping(mainNode.localNode)
check pong.isOk()
await targetNode.closeWait()
let n = await mainNode.resolve(targetId)
check:
n.isSome()
n.get().id == targetId
n.get().record.seqNum == targetSeqNum
# Node will be removed because of failed findNode request.
# Bring target back online, update seqNum in ENR, check if we get the
# updated ENR.
block:
targetNode.open()
# Request the target ENR and manually add it to the routing table.
# Ping for handshake based ENR passing will not work as our previous
# session will still be in the LRU cache.
let nodes = await mainNode.findNode(targetNode.localNode, @[0'u16])
check:
nodes.isOk()
nodes[].len == 1
mainNode.addNode(nodes[][0])
targetSeqNum.inc()
# need to add something to get the enr sequence number incremented
let update = targetNode.updateRecord({"addsomefield": @[byte 1]})
check update.isOk()
var n = mainNode.getNode(targetId)
check:
n.isSome()
n.get().id == targetId
n.get().record.seqNum == targetSeqNum - 1
n = await mainNode.resolve(targetId)
check:
n.isSome()
n.get().id == targetId
n.get().record.seqNum == targetSeqNum
# Add the updated version
discard mainNode.addNode(n.get())
# Update seqNum in ENR again, ping lookupNode to be added in routing table,
# close targetNode, resolve should lookup, check if we get updated ENR.
block:
targetSeqNum.inc()
let update = targetNode.updateRecord({"addsomefield": @[byte 2]})
check update.isOk()
# ping node so that its ENR gets added
check (await targetNode.ping(lookupNode.localNode)).isOk()
# ping node so that it becomes "seen" and thus will be forwarded on a
# findNode request
check (await lookupNode.ping(targetNode.localNode)).isOk()
await targetNode.closeWait()
check mainNode.addNode(lookupNode.localNode.record)
let n = await mainNode.resolve(targetId)
check:
n.isSome()
n.get().id == targetId
n.get().record.seqNum == targetSeqNum
await mainNode.closeWait()
await lookupNode.closeWait()
asyncTest "Random nodes with enr field filter":
let
lookupNode = initDiscoveryNode(rng, PrivateKey.random(rng[]), localAddress(20301))
targetFieldPair = toFieldPair("test", @[byte 1,2,3,4])
targetNode = generateNode(PrivateKey.random(rng[]), localEnrFields = [targetFieldPair])
otherFieldPair = toFieldPair("test", @[byte 1,2,3,4,5])
otherNode = generateNode(PrivateKey.random(rng[]), localEnrFields = [otherFieldPair])
anotherNode = generateNode(PrivateKey.random(rng[]))
check:
lookupNode.addNode(targetNode)
lookupNode.addNode(otherNode)
lookupNode.addNode(anotherNode)
let discovered = lookupNode.randomNodes(10)
check discovered.len == 3
let discoveredFiltered = lookupNode.randomNodes(10,
("test", @[byte 1,2,3,4]))
check discoveredFiltered.len == 1 and discoveredFiltered.contains(targetNode)
await lookupNode.closeWait()
test "New protocol with enr":
let
privKey = PrivateKey.random(rng[])
ip = some(ValidIpAddress.init("127.0.0.1"))
port = Port(20301)
node = newProtocol(privKey, ip, some(port), some(port), bindPort = port,
rng = rng)
noUpdatesNode = newProtocol(privKey, ip, some(port), some(port),
bindPort = port, rng = rng, previousRecord = some(node.getRecord()))
updatesNode = newProtocol(privKey, ip, some(port), some(Port(20302)),
bindPort = port, rng = rng,
previousRecord = some(noUpdatesNode.getRecord()))
moreUpdatesNode = newProtocol(privKey, ip, some(port), some(port),
bindPort = port, rng = rng, localEnrFields = {"addfield": @[byte 0]},
previousRecord = some(updatesNode.getRecord()))
check:
node.getRecord().seqNum == 1
noUpdatesNode.getRecord().seqNum == 1
updatesNode.getRecord().seqNum == 2
moreUpdatesNode.getRecord().seqNum == 3
# Defect (for now?) on incorrect key use
expect ResultDefect:
let incorrectKeyUpdates = newProtocol(PrivateKey.random(rng[]),
ip, some(port), some(port), bindPort = port, rng = rng,
previousRecord = some(updatesNode.getRecord()))
asyncTest "Update node record with revalidate":
let
mainNode =
initDiscoveryNode(rng, PrivateKey.random(rng[]), localAddress(20301))
testNode =
initDiscoveryNode(rng, PrivateKey.random(rng[]), localAddress(20302))
testNodeId = testNode.localNode.id
check:
# Get node with current ENR in routing table.
# Handshake will get done here.
(await testNode.ping(mainNode.localNode)).isOk()
testNode.updateRecord({"test" : @[byte 1]}).isOk()
testNode.localNode.record.seqNum == 2
# Get the node from routing table, seqNum should still be 1.
var n = mainNode.getNode(testNodeId)
check:
n.isSome()
n.get.record.seqNum == 1
# This should not do a handshake and thus the new ENR must come from the
# findNode(0)
await mainNode.revalidateNode(n.get)
# Get the node from routing table, and check if record got updated.
n = mainNode.getNode(testNodeId)
check:
n.isSome()
n.get.record.seqNum == 2
await mainNode.closeWait()
await testNode.closeWait()
asyncTest "Update node record with handshake":
let
mainNode =
initDiscoveryNode(rng, PrivateKey.random(rng[]), localAddress(20301))
testNode =
initDiscoveryNode(rng, PrivateKey.random(rng[]), localAddress(20302))
testNodeId = testNode.localNode.id
# Add the node (from the record, so new node!) so no handshake is done yet.
check: mainNode.addNode(testNode.localNode.record)
check:
testNode.updateRecord({"test" : @[byte 1]}).isOk()
testNode.localNode.record.seqNum == 2
# Get the node from routing table, seqNum should still be 1.
var n = mainNode.getNode(testNodeId)
check:
n.isSome()
n.get.record.seqNum == 1
# This should do a handshake and update the ENR through that.
check (await testNode.ping(mainNode.localNode)).isOk()
# Get the node from routing table, and check if record got updated.
n = mainNode.getNode(testNodeId)
check:
n.isSome()
n.get.record.seqNum == 2
await mainNode.closeWait()
await testNode.closeWait()
test "Verify records of nodes message":
let
port = Port(9000)
fromNoderecord = enr.Record.init(1, PrivateKey.random(rng[]),
some(ValidIpAddress.init("11.12.13.14")),
some(port), some(port))[]
fromNode = newNode(fromNoderecord)[]
pk = PrivateKey.random(rng[])
targetDistance = @[logDistance(fromNode.id, pk.toPublicKey().toNodeId())]
limit = 16
block: # Duplicates
let
record = enr.Record.init(
1, pk, some(ValidIpAddress.init("12.13.14.15")),
some(port), some(port))[]
# Exact duplicates
var records = @[record, record]
var nodes = verifyNodesRecords(records, fromNode, limit, targetDistance)
check nodes.len == 1
# Node id duplicates
let recordSameId = enr.Record.init(
1, pk, some(ValidIpAddress.init("212.13.14.15")),
some(port), some(port))[]
records.add(recordSameId)
nodes = verifyNodesRecords(records, fromNode, limit, targetDistance)
check nodes.len == 1
block: # No address
let
recordNoAddress = enr.Record.init(
1, pk, none(ValidIpAddress), some(port), some(port))[]
records = [recordNoAddress]
test = verifyNodesRecords(records, fromNode, limit, targetDistance)
check test.len == 0
block: # Invalid address - site local
let
recordInvalidAddress = enr.Record.init(
1, pk, some(ValidIpAddress.init("10.1.2.3")),
some(port), some(port))[]
records = [recordInvalidAddress]
test = verifyNodesRecords(records, fromNode, limit, targetDistance)
check test.len == 0
block: # Invalid address - loopback
let
recordInvalidAddress = enr.Record.init(
1, pk, some(ValidIpAddress.init("127.0.0.1")),
some(port), some(port))[]
records = [recordInvalidAddress]
test = verifyNodesRecords(records, fromNode, limit, targetDistance)
check test.len == 0
block: # Invalid distance
let
recordInvalidDistance = enr.Record.init(
1, pk, some(ValidIpAddress.init("12.13.14.15")),
some(port), some(port))[]
records = [recordInvalidDistance]
test = verifyNodesRecords(records, fromNode, limit, @[0'u16])
check test.len == 0
block: # Invalid distance but distance validation is disabled
let
recordInvalidDistance = enr.Record.init(
1, pk, some(ValidIpAddress.init("12.13.14.15")),
some(port), some(port))[]
records = [recordInvalidDistance]
test = verifyNodesRecords(records, fromNode, limit)
check test.len == 1
test "Calculate lookup distances":
# Log distance between zeros is zero
let dist = lookupDistances(u256(0), u256(0))
check dist == @[0'u16, 1, 2]
# Log distance between zero and one is one
let dist1 = lookupDistances(u256(0), u256(1))
check dist1 == @[1'u16, 2, 3]
asyncTest "Handshake cleanup: different ids":
# Node to test the handshakes on.
let receiveNode = initDiscoveryNode(
rng, PrivateKey.random(rng[]), localAddress(20302))
# Create random packets with same ip but different node ids
# and "receive" them on receiveNode
let a = localAddress(20303)
for i in 0 ..< 5:
let
privKey = PrivateKey.random(rng[])
enrRec = enr.Record.init(1, privKey,
some(ValidIpAddress.init("127.0.0.1")), some(Port(9000)),
some(Port(9000))).expect("Properly intialized private key")
sendNode = newNode(enrRec).expect("Properly initialized record")
var codec = Codec(localNode: sendNode, privKey: privKey, sessions: Sessions.init(5))
let (packet, _) = encodeMessagePacket(rng[], codec,
receiveNode.localNode.id, receiveNode.localNode.address.get(), @[])
receiveNode.receive(a, packet)
# Checking different nodeIds but same address
check receiveNode.codec.handshakes.len == 5
# TODO: Could get rid of the sleep by storing the timeout future of the
# handshake
await sleepAsync(handshakeTimeout)
# Checking handshake cleanup
check receiveNode.codec.handshakes.len == 0
await receiveNode.closeWait()
asyncTest "Handshake cleanup: different ips":
# Node to test the handshakes on.
let receiveNode = initDiscoveryNode(
rng, PrivateKey.random(rng[]), localAddress(20302))
# Create random packets with same node ids but different ips
# and "receive" them on receiveNode
let
privKey = PrivateKey.random(rng[])
enrRec = enr.Record.init(1, privKey,
some(ValidIpAddress.init("127.0.0.1")), some(Port(9000)),
some(Port(9000))).expect("Properly intialized private key")
sendNode = newNode(enrRec).expect("Properly initialized record")
var codec = Codec(localNode: sendNode, privKey: privKey, sessions: Sessions.init(5))
for i in 0 ..< 5:
let a = localAddress(20303 + i)
let (packet, _) = encodeMessagePacket(rng[], codec,
receiveNode.localNode.id, receiveNode.localNode.address.get(), @[])
receiveNode.receive(a, packet)
# Checking different nodeIds but same address
check receiveNode.codec.handshakes.len == 5
# TODO: Could get rid of the sleep by storing the timeout future of the
# handshake
await sleepAsync(handshakeTimeout)
# Checking handshake cleanup
check receiveNode.codec.handshakes.len == 0
await receiveNode.closeWait()
asyncTest "Handshake duplicates":
# Node to test the handshakes on.
let receiveNode = initDiscoveryNode(
rng, PrivateKey.random(rng[]), localAddress(20302))
# Create random packets with same node ids and same ips
# and "receive" them on receiveNode
let
a = localAddress(20303)
privKey = PrivateKey.random(rng[])
enrRec = enr.Record.init(1, privKey,
some(ValidIpAddress.init("127.0.0.1")), some(Port(9000)),
some(Port(9000))).expect("Properly intialized private key")
sendNode = newNode(enrRec).expect("Properly initialized record")
var codec = Codec(localNode: sendNode, privKey: privKey, sessions: Sessions.init(5))
var firstRequestNonce: AESGCMNonce
for i in 0 ..< 5:
let (packet, requestNonce) = encodeMessagePacket(rng[], codec,
receiveNode.localNode.id, receiveNode.localNode.address.get(), @[])
receiveNode.receive(a, packet)
if i == 0:
firstRequestNonce = requestNonce
# Check handshake duplicates
check receiveNode.codec.handshakes.len == 1
# Check if it is for the first packet that a handshake is stored
let key = HandShakeKey(nodeId: sendNode.id, address: a)
check receiveNode.codec.handshakes[key].whoareyouData.requestNonce ==
firstRequestNonce
await receiveNode.closeWait()
asyncTest "Talkreq no protocol":
let
node1 = initDiscoveryNode(
rng, PrivateKey.random(rng[]), localAddress(20302))
node2 = initDiscoveryNode(
rng, PrivateKey.random(rng[]), localAddress(20303))
talkresp = await discv5_protocol.talkreq(node1, node2.localNode,
@[byte 0x01], @[])
check:
talkresp.isOk()
talkresp.get().len == 0
await node1.closeWait()
await node2.closeWait()
asyncTest "Talkreq echo protocol":
let
node1 = initDiscoveryNode(
rng, PrivateKey.random(rng[]), localAddress(20302))
node2 = initDiscoveryNode(
rng, PrivateKey.random(rng[]), localAddress(20303))
talkProtocol = "echo".toBytes()
proc handler(protocol: TalkProtocol, request: seq[byte], fromId: NodeId, fromUdpAddress: Address): seq[byte]
{.gcsafe, raises: [Defect].} =
request
let echoProtocol = TalkProtocol(protocolHandler: handler)
check node2.registerTalkProtocol(talkProtocol, echoProtocol).isOk()
let talkresp = await discv5_protocol.talkreq(node1, node2.localNode,
talkProtocol, "hello".toBytes())
check:
talkresp.isOk()
talkresp.get() == "hello".toBytes()
await node1.closeWait()
await node2.closeWait()
asyncTest "Talkreq register protocols":
let
node1 = initDiscoveryNode(
rng, PrivateKey.random(rng[]), localAddress(20302))
node2 = initDiscoveryNode(
rng, PrivateKey.random(rng[]), localAddress(20303))
talkProtocol = "echo".toBytes()
proc handler(protocol: TalkProtocol, request: seq[byte], fromId: NodeId, fromUdpAddress: Address): seq[byte]
{.gcsafe, raises: [Defect].} =
request
let echoProtocol = TalkProtocol(protocolHandler: handler)
check:
node2.registerTalkProtocol(talkProtocol, echoProtocol).isOk()
node2.registerTalkProtocol(talkProtocol, echoProtocol).isErr()
node2.registerTalkProtocol("test".toBytes(), echoProtocol).isOk()
await node1.closeWait()
await node2.closeWait()