libp2p-dht/tests/dht/test_providers.nim

241 lines
7.1 KiB
Nim

#
# Ethereum P2P
# (c) Copyright 2018
# Status Research & Development GmbH
#
# See the file "LICENSE", included in this
# distribution, for details about the copyright.
#
{.used.}
import
std/[options, sequtils],
asynctest,
bearssl/rand,
chronicles,
chronos,
nimcrypto,
libp2p/crypto/[crypto, secp],
libp2p/[multiaddress, multicodec, multihash, routing_record, signed_envelope],
libp2pdht/dht,
libp2pdht/discv5/crypto as dhtcrypto,
libp2pdht/discv5/protocol as discv5_protocol,
stew/byteutils,
test_helper
proc bootstrapNodes(
nodecount: int,
bootnodes: seq[SignedPeerRecord],
rng = newRng(),
delay: int = 0
) : Future[seq[(discv5_protocol.Protocol, PrivateKey)]] {.async.} =
debug "---- STARTING BOOSTRAPS ---"
for i in 0..<nodecount:
let privKey = PrivateKey.example(rng)
let node = initDiscoveryNode(rng, privKey, localAddress(20302 + i), bootnodes)
await node.start()
result.add((node, privKey))
if delay > 0:
await sleepAsync(chronos.milliseconds(delay))
#await allFutures(result.mapIt(it.bootstrap())) # this waits for bootstrap based on bootENode, which includes bonding with all its ping pongs
proc bootstrapNetwork(
nodecount: int,
rng = newRng(),
delay: int = 0
) : Future[seq[(discv5_protocol.Protocol, PrivateKey)]] {.async.} =
let
bootNodeKey = PrivateKey.fromHex(
"a2b50376a79b1a8c8a3296485572bdfbf54708bb46d3c25d73d2723aaaf6a617")
.expect("Valid private key hex")
bootNodeAddr = localAddress(20301)
bootNode = initDiscoveryNode(rng, bootNodeKey, bootNodeAddr, @[]) # just a shortcut for new and open
#waitFor bootNode.bootstrap() # immediate, since no bootnodes are defined above
var res = await bootstrapNodes(nodecount - 1,
@[bootnode.localNode.record],
rng,
delay)
res.insert((bootNode, bootNodeKey), 0)
return res
# suite "Providers Tests":
suite "Providers Tests: node alone":
var
rng: ref HmacDrbgContext
nodes: seq[(discv5_protocol.Protocol, PrivateKey)]
targetId: NodeId
node0: discv5_protocol.Protocol
privKey0: PrivateKey
signedPeerRec0: SignedPeerRecord
peerRec0: PeerRecord
setupAll:
rng = newRng()
nodes = await bootstrapNetwork(nodecount=1)
targetId = NodeId.example(rng)
(node0, privKey0) = nodes[0]
signedPeerRec0 = privKey0.toSignedPeerRecord
peerRec0 = signedPeerRec0.data
teardownAll:
for (n, _) in nodes:
await n.closeWait()
await sleepAsync(chronos.seconds(3))
test "Node in isolation should store":
debug "---- ADDING PROVIDERS ---", nodes = nodes.len
let addedTo = await node0.addProvider(targetId, signedPeerRec0)
debug "Provider added to: ", addedTo
debug "---- STARTING CHECKS ---"
check (addedTo.len == 1)
check (addedTo[0].id == node0.localNode.id)
check ((await node0.getProvidersLocal(targetId))[0].data.peerId == peerRec0.peerId)
test "Node in isolation should retrieve":
debug "---- STARTING PROVIDERS LOOKUP ---"
let providersRes = await node0.getProviders(targetId)
debug "---- STARTING CHECKS ---"
check providersRes.isOk
let providers = providersRes.get
debug "Providers:", providers
check (providers.len > 0 and providers[0].data.peerId == peerRec0.peerId)
test "Should not retrieve bogus":
let bogusId = NodeId.example(rng)
debug "---- STARTING PROVIDERS LOOKUP ---"
let providersRes = await node0.getProviders(bogusId)
debug "---- STARTING CHECKS ---"
check providersRes.isOk
let providers = providersRes.get
debug "Providers:", providers
check (providers.len == 0)
suite "Providers Tests: two nodes":
var
rng: ref HmacDrbgContext
nodes: seq[(discv5_protocol.Protocol, PrivateKey)]
targetId: NodeId
node0: discv5_protocol.Protocol
privKey0: PrivateKey
signedPeerRec0: SignedPeerRecord
peerRec0: PeerRecord
setupAll:
rng = newRng()
nodes = await bootstrapNetwork(nodecount=3)
targetId = NodeId.example(rng)
(node0, privKey0) = nodes[0]
signedPeerRec0 = privKey0.toSignedPeerRecord
peerRec0 = signedPeerRec0.data
teardownAll:
for (n, _) in nodes:
await n.closeWait()
await sleepAsync(chronos.seconds(3))
test "2 nodes, store and retrieve from same":
debug "---- ADDING PROVIDERS ---"
let addedTo = await node0.addProvider(targetId, signedPeerRec0)
debug "Provider added to: ", addedTo
debug "---- STARTING PROVIDERS LOOKUP ---"
let providersRes = await node0.getProviders(targetId)
debug "---- STARTING CHECKS ---"
check providersRes.isOk
let providers = providersRes.get
debug "Providers:", providers
check (providers.len == 1 and providers[0].data.peerId == peerRec0.peerId)
test "2 nodes, retrieve from other":
debug "---- STARTING PROVIDERS LOOKUP ---"
let (node1, _) = nodes[1]
let providersRes = await node1.getProviders(targetId)
debug "---- STARTING CHECKS ---"
let providers = providersRes.get
debug "Providers:", providers
check (providers.len == 1 and providers[0].data.peerId == peerRec0.peerId)
suite "Providers Tests: 20 nodes":
var
rng: ref HmacDrbgContext
nodes: seq[(discv5_protocol.Protocol, PrivateKey)]
targetId: NodeId
node0: discv5_protocol.Protocol
privKey0: PrivateKey
signedPeerRec0: SignedPeerRecord
peerRec0: PeerRecord
setupAll:
rng = newRng()
nodes = await bootstrapNetwork(nodecount=20)
targetId = NodeId.example(rng)
(node0, privKey0) = nodes[0]
signedPeerRec0 = privKey0.toSignedPeerRecord
peerRec0 = signedPeerRec0.data
await sleepAsync(chronos.seconds(15))
teardownAll:
for (n, _) in nodes: # if last test is enabled, we need nodes[1..^1] here
await n.closeWait()
test "20 nodes, store and retrieve from same":
debug "---- ADDING PROVIDERS ---"
let addedTo = await node0.addProvider(targetId, signedPeerRec0)
debug "Provider added to: ", addedTo
debug "---- STARTING PROVIDERS LOOKUP ---"
let providersRes = await node0.getProviders(targetId)
debug "---- STARTING CHECKS ---"
let providers = providersRes.get
debug "Providers:", providers
check (providers.len == 1 and providers[0].data.peerId == peerRec0.peerId)
test "20 nodes, retrieve from other":
debug "---- STARTING PROVIDERS LOOKUP ---"
let (node19, _) = nodes[^2]
let providersRes = await node19.getProviders(targetId)
debug "---- STARTING CHECKS ---"
let providers = providersRes.get
debug "Providers:", providers
check (providers.len == 1 and providers[0].data.peerId == peerRec0.peerId)
test "20 nodes, retrieve after bootnodes dies":
debug "---- KILLING BOOTSTRAP NODE ---"
let (node0, _) = nodes[0]
let (node18, _) = nodes[^2]
await node0.closeWait()
nodes.del(0)
debug "---- STARTING PROVIDERS LOOKUP ---"
let providersRes = await node18.getProviders(targetId)
debug "---- STARTING CHECKS ---"
let providers = providersRes.get
debug "Providers:", providers
check (providers.len == 1 and providers[0].data.peerId == peerRec0.peerId)