nimbus-eth1/fluffy/tests/test_state_network.nim

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# 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.
import
std/os,
testutils/unittests, chronos,
eth/[common/eth_hash, keys, trie/db, trie/hexary],
eth/p2p/discoveryv5/protocol as discv5_protocol, eth/p2p/discoveryv5/routing_table,
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../../nimbus/[config, db/db_chain, db/state_db],
../../nimbus/common/[chain_config, genesis],
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../network/wire/[portal_protocol, portal_stream],
../network/state/[state_content, state_network],
../content_db,
./test_helpers
proc genesisToTrie(filePath: string): HexaryTrie =
# TODO: Doing our best here with API that exists, to be improved.
var cn: NetworkParams
if not loadNetworkParams(filePath, cn):
quit(1)
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let sdb = newStateDB(newMemoryDB(), false)
let map = toForkToBlockNumber(cn.config)
let fork = map.toHardFork(0.toBlockNumber)
discard toGenesisHeader(cn.genesis, sdb, fork)
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sdb.getTrie
procSuite "State Content Network":
let rng = newRng()
asyncTest "Test Share Full State":
let
trie = genesisToTrie("fluffy" / "tests" / "custom_genesis" / "chainid7.json")
node1 = initDiscoveryNode(
rng, PrivateKey.random(rng[]), localAddress(20302))
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sm1 = StreamManager.new(node1)
node2 = initDiscoveryNode(
rng, PrivateKey.random(rng[]), localAddress(20303))
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sm2 = StreamManager.new(node2)
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proto1 = StateNetwork.new(node1, ContentDB.new("", uint32.high, inMemory = true), sm1)
proto2 = StateNetwork.new(node2, ContentDB.new("", uint32.high, inMemory = true), sm2)
check proto2.portalProtocol.addNode(node1.localNode) == Added
var keys: seq[seq[byte]]
for k, v in trie.replicate:
keys.add(k)
var nodeHash: NodeHash
copyMem(nodeHash.data.addr, unsafeAddr k[0], sizeof(nodeHash.data))
let
# TODO: add stateRoot, and path eventually
accountTrieNodeKey = AccountTrieNodeKey(nodeHash: nodeHash)
contentKey = ContentKey(
contentType: accountTrieNode, accountTrieNodeKey: accountTrieNodeKey)
contentId = toContentId(contentKey)
discard proto1.contentDB.put(contentId, v, proto1.portalProtocol.localNode.id)
for key in keys:
var nodeHash: NodeHash
copyMem(nodeHash.data.addr, unsafeAddr key[0], sizeof(nodeHash.data))
let
accountTrieNodeKey = AccountTrieNodeKey(nodeHash: nodeHash)
contentKey = ContentKey(
contentType: accountTrieNode, accountTrieNodeKey: accountTrieNodeKey)
contentId = toContentId(contentKey)
# Note: GetContent and thus the lookup here is not really needed, as we
# only have to request data to one node.
let foundContent = await proto2.getContent(contentKey)
check:
foundContent.isSome()
let hash = keccakHash(foundContent.get())
check hash.data == key
await node1.closeWait()
await node2.closeWait()
asyncTest "Find content in the network via content lookup":
# TODO: Improve this test so it actually need to go through several
# findNodes request, to properly test the lookup call.
let
trie = genesisToTrie("fluffy" / "tests" / "custom_genesis" / "chainid7.json")
node1 = initDiscoveryNode(
rng, PrivateKey.random(rng[]), localAddress(20302))
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sm1 = StreamManager.new(node1)
node2 = initDiscoveryNode(
rng, PrivateKey.random(rng[]), localAddress(20303))
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sm2 = StreamManager.new(node2)
node3 = initDiscoveryNode(
rng, PrivateKey.random(rng[]), localAddress(20304))
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sm3 = StreamManager.new(node3)
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proto1 = StateNetwork.new(node1, ContentDB.new("", uint32.high, inMemory = true), sm1)
proto2 = StateNetwork.new(node2, ContentDB.new("", uint32.high, inMemory = true), sm2)
proto3 = StateNetwork.new(node3, ContentDB.new("", uint32.high, inMemory = true), sm3)
# Node1 knows about Node2, and Node2 knows about Node3 which hold all content
check proto1.portalProtocol.addNode(node2.localNode) == Added
check proto2.portalProtocol.addNode(node3.localNode) == Added
check (await proto2.portalProtocol.ping(node3.localNode)).isOk()
var keys: seq[seq[byte]]
for k, v in trie.replicate:
keys.add(k)
var nodeHash: NodeHash
copyMem(nodeHash.data.addr, unsafeAddr k[0], sizeof(nodeHash.data))
let
accountTrieNodeKey = AccountTrieNodeKey(nodeHash: nodeHash)
contentKey = ContentKey(
contentType: accountTrieNode, accountTrieNodeKey: accountTrieNodeKey)
contentId = toContentId(contentKey)
discard proto2.contentDB.put(contentId, v, proto2.portalProtocol.localNode.id)
# Not needed right now as 1 node is enough considering node 1 is connected
# to both.
discard proto3.contentDB.put(contentId, v, proto3.portalProtocol.localNode.id)
# Get first key
var nodeHash: NodeHash
let firstKey = keys[0]
copyMem(nodeHash.data.addr, unsafeAddr firstKey[0], sizeof(nodeHash.data))
let
accountTrieNodeKey = AccountTrieNodeKey(nodeHash: nodeHash)
contentKey = ContentKey(
contentType: accountTrieNode, accountTrieNodeKey: accountTrieNodeKey)
let foundContent = await proto1.getContent(contentKey)
check:
foundContent.isSome()
let hash = keccakHash(foundContent.get())
check hash.data == firstKey
await node1.closeWait()
await node2.closeWait()
await node3.closeWait()
asyncTest "Find other nodes in state network with correct custom distance":
let
node1 = initDiscoveryNode(
rng, PrivateKey.random(rng[]), localAddress(20302))
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sm1 = StreamManager.new(node1)
node2 = initDiscoveryNode(
rng, PrivateKey.random(rng[]), localAddress(20303))
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sm2 = StreamManager.new(node2)
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proto1 = StateNetwork.new(node1, ContentDB.new("", uint32.high, inMemory = true), sm1)
proto2 = StateNetwork.new(node2, ContentDB.new("", uint32.high, inMemory = true), sm2)
check (await node1.ping(node2.localNode)).isOk()
check (await node2.ping(node1.localNode)).isOk()
proto2.portalProtocol.seedTable()
let distance = proto1.portalProtocol.routingTable.logDistance(
node1.localNode.id, node2.localNode.id)
let nodes = await proto1.portalProtocol.findNodes(
proto2.portalProtocol.localNode, @[distance])
# TODO: This gives an error because of the custom distances issues that
# need to be resolved first.
skip()
# check:
# nodes.isOk()
# nodes.get().len() == 1
await node1.closeWait()
await node2.closeWait()