mirror of https://github.com/status-im/nim-eth.git
620 lines
22 KiB
Nim
620 lines
22 KiB
Nim
import
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std/tables,
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chronos, chronicles, stint, testutils/unittests,
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stew/shims/net, eth/keys, bearssl,
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eth/p2p/discoveryv5/[enr, node, routing_table, encoding, sessions, messages],
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eth/p2p/discoveryv5/protocol as discv5_protocol,
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./discv5_test_helper
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procSuite "Discovery v5 Tests":
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let rng = newRng()
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asyncTest "GetNode":
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# TODO: This could be tested in just a routing table only context
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let
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node = initDiscoveryNode(rng, PrivateKey.random(rng[]), localAddress(20302))
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targetNode = generateNode(PrivateKey.random(rng[]))
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check node.addNode(targetNode)
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for i in 0..<1000:
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discard node.addNode(generateNode(PrivateKey.random(rng[])))
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let n = node.getNode(targetNode.id)
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check n.isSome()
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check n.get() == targetNode
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await node.closeWait()
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asyncTest "Node deletion":
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let
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bootnode = initDiscoveryNode(
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rng, PrivateKey.random(rng[]), localAddress(20301))
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node1 = initDiscoveryNode(
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rng, PrivateKey.random(rng[]), localAddress(20302),
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@[bootnode.localNode.record])
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node2 = initDiscoveryNode(
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rng, PrivateKey.random(rng[]), localAddress(20303),
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@[bootnode.localNode.record])
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pong1 = await discv5_protocol.ping(node1, bootnode.localNode)
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pong2 = await discv5_protocol.ping(node1, node2.localNode)
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check pong1.isOk() and pong2.isOk()
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await bootnode.closeWait()
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await node2.closeWait()
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await node1.revalidateNode(bootnode.localNode)
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await node1.revalidateNode(node2.localNode)
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let n = node1.getNode(bootnode.localNode.id)
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check:
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n.isSome()
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n.get() == bootnode.localNode
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node1.getNode(node2.localNode.id).isNone()
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await node1.closeWait()
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test "Distance check":
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const
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targetId = "0x0000"
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testValues = [
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("0x0001", 1'u32),
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("0x0002", 2'u32),
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("0x0003", 2'u32),
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("0x0004", 3'u32),
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("0x0007", 3'u32),
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("0x0008", 4'u32),
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("0x000f", 4'u32),
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("0x0080", 8'u32),
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("0x00ff", 8'u32),
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("0x0100", 9'u32),
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("0x01ff", 9'u32),
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("0x8000", 16'u32),
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("0xffff", 16'u32)
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]
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for (id, d) in testValues:
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check logDist(parse(targetId, UInt256, 16), parse(id, UInt256, 16)) == d
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test "Distance check with keys":
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const
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targetKey = "5d485bdcbe9bc89314a10ae9231e429d33853e3a8fa2af39f5f827370a2e4185e344ace5d16237491dad41f278f1d3785210d29ace76cd627b9147ee340b1125"
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testValues = [
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("29738ba0c1a4397d6a65f292eee07f02df8e58d41594ba2be3cf84ce0fc58169", 251'u32),
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("1c9b1cafbec00848d2c174b858219914b42a7d5c9359b1ca03fd650e8239ae94", 252'u32),
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("2d0511ae9bf590166597eeab86b6f27b1ab761761eaea8965487b162f8703847", 253'u32),
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("dec742079ec00ff4ec1284d7905bc3de2366f67a0769431fd16f80fd68c58a7c", 254'u32),
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("da8645f90826e57228d9ea72aff84500060ad111a5d62e4af831ed8e4b5acfb8", 255'u32),
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("8c5b422155d33ea8e9d46f71d1ad3e7b24cb40051413ffa1a81cff613d243ba9", 256'u32)
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]
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let targetId = toNodeId(PublicKey.fromHex(targetKey)[])
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for (key, d) in testValues:
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let id = toNodeId(PrivateKey.fromHex(key)[].toPublicKey())
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check logDist(targetId, id) == d
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test "Distance to id check":
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const
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targetId = "0x0000"
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testValues = [ # possible id in that distance range
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("0x0001", 1'u32),
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("0x0002", 2'u32),
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("0x0004", 3'u32),
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("0x0008", 4'u32),
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("0x0080", 8'u32),
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("0x0100", 9'u32),
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("0x8000", 16'u32)
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]
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for (id, d) in testValues:
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check idAtDistance(parse(targetId, UInt256, 16), d) == parse(id, UInt256, 16)
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test "Distance to id check with keys":
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const
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targetKey = "5d485bdcbe9bc89314a10ae9231e429d33853e3a8fa2af39f5f827370a2e4185e344ace5d16237491dad41f278f1d3785210d29ace76cd627b9147ee340b1125"
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testValues = [ # possible id in that distance range
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("9e5b34809116e3790b2258a45e7ef03b11af786503fb1a6d4b4a8ca021ad653c", 251'u32),
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("925b34809116e3790b2258a45e7ef03b11af786503fb1a6d4b4a8ca021ad653c", 252'u32),
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("8a5b34809116e3790b2258a45e7ef03b11af786503fb1a6d4b4a8ca021ad653c", 253'u32),
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("ba5b34809116e3790b2258a45e7ef03b11af786503fb1a6d4b4a8ca021ad653c", 254'u32),
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("da5b34809116e3790b2258a45e7ef03b11af786503fb1a6d4b4a8ca021ad653c", 255'u32),
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("1a5b34809116e3790b2258a45e7ef03b11af786503fb1a6d4b4a8ca021ad653c", 256'u32)
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]
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let targetId = toNodeId(PublicKey.fromHex(targetKey)[])
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for (id, d) in testValues:
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check idAtDistance(targetId, d) == parse(id, UInt256, 16)
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asyncTest "FindNode Test":
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const dist = 253'u32
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let
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mainNodeKey = PrivateKey.fromHex(
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"a2b50376a79b1a8c8a3296485572bdfbf54708bb46d3c25d73d2723aaaf6a617")[]
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testNodeKey = PrivateKey.fromHex(
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"a2b50376a79b1a8c8a3296485572bdfbf54708bb46d3c25d73d2723aaaf6a618")[]
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mainNode = initDiscoveryNode(rng, mainNodeKey, localAddress(20301))
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testNode = initDiscoveryNode(rng, testNodeKey, localAddress(20302))
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# logarithmic distance between mainNode and testNode is 256
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let nodes = nodesAtDistance(mainNode.localNode, rng[], dist, 10)
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for n in nodes:
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discard mainNode.addSeenNode(n) # for testing only!
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# ping in one direction to add, ping in the other to update seen.
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check (await testNode.ping(mainNode.localNode)).isOk()
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check (await mainNode.ping(testNode.localNode)).isOk()
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# Get ENR of the node itself
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var discovered =
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await findNode(testNode, mainNode.localNode, @[0'u32])
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check:
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discovered.isOk
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discovered[].len == 1
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discovered[][0] == mainNode.localNode
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# Get ENRs of nodes added at provided logarithmic distance
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discovered =
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await findNode(testNode, mainNode.localNode, @[dist])
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check discovered.isOk
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check discovered[].len == 10
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for n in nodes:
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check discovered[].contains(n)
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# Too high logarithmic distance, should return no nodes.
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discovered =
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await findNode(testNode, mainNode.localNode, @[4294967295'u32])
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check:
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discovered.isOk
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discovered[].len == 0
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# Logarithmic distance of 256 should only return the testNode
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discovered =
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await findNode(testNode, mainNode.localNode, @[256'u32])
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check:
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discovered.isOk
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discovered[].len == 1
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discovered[][0] == testNode.localNode
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# Empty bucket
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discovered =
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await findNode(testNode, mainNode.localNode, @[254'u32])
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check discovered.isOk
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check discovered[].len == 0
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let moreNodes = nodesAtDistance(mainNode.localNode, rng[], dist, 10)
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for n in moreNodes:
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discard mainNode.addSeenNode(n) # for testing only!
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# Full bucket
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discovered =
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await findNode(testNode, mainNode.localNode, @[dist])
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check discovered.isOk
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check discovered[].len == 16
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await mainNode.closeWait()
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await testNode.closeWait()
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asyncTest "FindNode with test table":
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let mainNode =
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initDiscoveryNode(rng, PrivateKey.random(rng[]), localAddress(20301))
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# Generate 1000 random nodes and add to our main node's routing table
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for i in 0..<1000:
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discard mainNode.addSeenNode(generateNode(PrivateKey.random(rng[]))) # for testing only!
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let
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neighbours = mainNode.neighbours(mainNode.localNode.id)
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closest = neighbours[0]
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closestDistance = logDist(closest.id, mainNode.localNode.id)
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debug "Closest neighbour", closestDistance, id=closest.id.toHex()
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let
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testNode = initDiscoveryNode(
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rng, PrivateKey.random(rng[]), localAddress(20302),
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@[mainNode.localNode.record])
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discovered = await findNode(testNode, mainNode.localNode,
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@[closestDistance])
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check discovered.isOk
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check closest in discovered[]
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await mainNode.closeWait()
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await testNode.closeWait()
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asyncTest "Lookup targets":
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const
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nodeCount = 17
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let bootNode =
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initDiscoveryNode(rng, PrivateKey.random(rng[]), localAddress(20301))
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bootNode.start()
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var nodes = newSeqOfCap[discv5_protocol.Protocol](nodeCount)
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nodes.add(bootNode)
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for i in 1 ..< nodeCount:
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nodes.add(initDiscoveryNode(rng, PrivateKey.random(rng[]), localAddress(20301 + i),
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@[bootNode.localNode.record]))
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# Make sure all nodes have "seen" each other by forcing pings
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for n in nodes:
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for t in nodes:
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if n != t:
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let pong = await n.ping(t.localNode)
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check pong.isOk()
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if pong.isErr():
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echo pong.error
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# check (await n.ping(t.localNode)).isOk()
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for i in 1 ..< nodeCount:
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nodes[i].start()
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for i in 0..<nodeCount-1:
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let target = nodes[i]
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let discovered = await nodes[nodeCount-1].lookup(target.localNode.id)
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debug "Lookup result", target = target.localNode, discovered
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check discovered[0] == target.localNode
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for node in nodes:
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await node.closeWait()
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asyncTest "Resolve target":
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let
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mainNode =
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initDiscoveryNode(rng, PrivateKey.random(rng[]), localAddress(20301))
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lookupNode =
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initDiscoveryNode(rng, PrivateKey.random(rng[]), localAddress(20302))
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targetKey = PrivateKey.random(rng[])
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targetAddress = localAddress(20303)
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targetNode = initDiscoveryNode(rng, targetKey, targetAddress)
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targetId = targetNode.localNode.id
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var targetSeqNum = targetNode.localNode.record.seqNum
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# Populate routing table with target through a ping. Next, close target and
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# see if resolve works (only local getNode).
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block:
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let pong = await targetNode.ping(mainNode.localNode)
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check pong.isOk()
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await targetNode.closeWait()
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let n = await mainNode.resolve(targetId)
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check:
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n.isSome()
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n.get().id == targetId
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n.get().record.seqNum == targetSeqNum
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# Node will be removed because of failed findNode request.
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# Bring target back online, update seqNum in ENR, check if we get the
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# updated ENR.
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block:
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targetNode.open()
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# Request the target ENR and manually add it to the routing table.
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# Ping for handshake based ENR passing will not work as our previous
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# session will still be in the LRU cache.
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let nodes = await mainNode.findNode(targetNode.localNode, @[0'u32])
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check:
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nodes.isOk()
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nodes[].len == 1
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mainNode.addNode(nodes[][0])
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targetSeqNum.inc()
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# need to add something to get the enr sequence number incremented
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let update = targetNode.updateRecord({"addsomefield": @[byte 1]})
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check update.isOk()
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var n = mainNode.getNode(targetId)
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check:
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n.isSome()
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n.get().id == targetId
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n.get().record.seqNum == targetSeqNum - 1
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n = await mainNode.resolve(targetId)
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check:
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n.isSome()
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n.get().id == targetId
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n.get().record.seqNum == targetSeqNum
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# Add the updated version
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discard mainNode.addNode(n.get())
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# Update seqNum in ENR again, ping lookupNode to be added in routing table,
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# close targetNode, resolve should lookup, check if we get updated ENR.
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block:
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targetSeqNum.inc()
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let update = targetNode.updateRecord({"addsomefield": @[byte 2]})
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check update.isOk()
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# ping node so that its ENR gets added
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check (await targetNode.ping(lookupNode.localNode)).isOk()
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# ping node so that it becomes "seen" and thus will be forwarded on a
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# findNode request
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check (await lookupNode.ping(targetNode.localNode)).isOk()
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await targetNode.closeWait()
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check mainNode.addNode(lookupNode.localNode.record)
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let n = await mainNode.resolve(targetId)
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check:
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n.isSome()
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n.get().id == targetId
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n.get().record.seqNum == targetSeqNum
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await mainNode.closeWait()
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await lookupNode.closeWait()
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asyncTest "Random nodes with enr field filter":
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let
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lookupNode = initDiscoveryNode(rng, PrivateKey.random(rng[]), localAddress(20301))
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targetFieldPair = toFieldPair("test", @[byte 1,2,3,4])
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targetNode = generateNode(PrivateKey.random(rng[]), localEnrFields = [targetFieldPair])
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otherFieldPair = toFieldPair("test", @[byte 1,2,3,4,5])
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otherNode = generateNode(PrivateKey.random(rng[]), localEnrFields = [otherFieldPair])
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anotherNode = generateNode(PrivateKey.random(rng[]))
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check:
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lookupNode.addNode(targetNode)
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lookupNode.addNode(otherNode)
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lookupNode.addNode(anotherNode)
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let discovered = lookupNode.randomNodes(10)
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check discovered.len == 3
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let discoveredFiltered = lookupNode.randomNodes(10,
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("test", @[byte 1,2,3,4]))
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check discoveredFiltered.len == 1 and discoveredFiltered.contains(targetNode)
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await lookupNode.closeWait()
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test "New protocol with enr":
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let
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privKey = PrivateKey.random(rng[])
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ip = some(ValidIpAddress.init("127.0.0.1"))
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port = Port(20301)
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node = newProtocol(privKey, ip, some(port), some(port), bindPort = port,
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rng = rng)
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noUpdatesNode = newProtocol(privKey, ip, some(port), some(port),
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bindPort = port, rng = rng, previousRecord = some(node.getRecord()))
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updatesNode = newProtocol(privKey, ip, some(port), some(Port(20302)),
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bindPort = port, rng = rng,
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previousRecord = some(noUpdatesNode.getRecord()))
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moreUpdatesNode = newProtocol(privKey, ip, some(port), some(port),
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bindPort = port, rng = rng, localEnrFields = {"addfield": @[byte 0]},
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previousRecord = some(updatesNode.getRecord()))
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check:
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node.getRecord().seqNum == 1
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noUpdatesNode.getRecord().seqNum == 1
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updatesNode.getRecord().seqNum == 2
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moreUpdatesNode.getRecord().seqNum == 3
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# Defect (for now?) on incorrect key use
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expect ResultDefect:
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let incorrectKeyUpdates = newProtocol(PrivateKey.random(rng[]),
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ip, some(port), some(port), bindPort = port, rng = rng,
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previousRecord = some(updatesNode.getRecord()))
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asyncTest "Update node record with revalidate":
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let
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mainNode =
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initDiscoveryNode(rng, PrivateKey.random(rng[]), localAddress(20301))
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testNode =
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initDiscoveryNode(rng, PrivateKey.random(rng[]), localAddress(20302))
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testNodeId = testNode.localNode.id
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check:
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# Get node with current ENR in routing table.
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# Handshake will get done here.
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(await testNode.ping(mainNode.localNode)).isOk()
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testNode.updateRecord({"test" : @[byte 1]}).isOk()
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testNode.localNode.record.seqNum == 2
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# Get the node from routing table, seqNum should still be 1.
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var n = mainNode.getNode(testNodeId)
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check:
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n.isSome()
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n.get.record.seqNum == 1
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# This should not do a handshake and thus the new ENR must come from the
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# findNode(0)
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await mainNode.revalidateNode(n.get)
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# Get the node from routing table, and check if record got updated.
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n = mainNode.getNode(testNodeId)
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check:
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n.isSome()
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n.get.record.seqNum == 2
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await mainNode.closeWait()
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await testNode.closeWait()
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asyncTest "Update node record with handshake":
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let
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mainNode =
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initDiscoveryNode(rng, PrivateKey.random(rng[]), localAddress(20301))
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testNode =
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initDiscoveryNode(rng, PrivateKey.random(rng[]), localAddress(20302))
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testNodeId = testNode.localNode.id
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# Add the node (from the record, so new node!) so no handshake is done yet.
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check: mainNode.addNode(testNode.localNode.record)
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check:
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testNode.updateRecord({"test" : @[byte 1]}).isOk()
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testNode.localNode.record.seqNum == 2
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# Get the node from routing table, seqNum should still be 1.
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var n = mainNode.getNode(testNodeId)
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check:
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n.isSome()
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n.get.record.seqNum == 1
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# This should do a handshake and update the ENR through that.
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check (await testNode.ping(mainNode.localNode)).isOk()
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# Get the node from routing table, and check if record got updated.
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n = mainNode.getNode(testNodeId)
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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 = logDist(fromNode.id, pk.toPublicKey().toNodeId())
|
|
|
|
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, 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, 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, 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, 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, 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, 0'u32)
|
|
check test.len == 0
|
|
|
|
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()
|