nim-codex/tests/codex/blockexchange/engine/testblockexc.nim

241 lines
6.9 KiB
Nim

import std/sequtils
import std/algorithm
import pkg/asynctest
import pkg/chronos
import pkg/stew/byteutils
import pkg/libp2p
import pkg/libp2p/errors
import pkg/codex/rng
import pkg/codex/stores
import pkg/codex/blockexchange
import pkg/codex/chunker
import pkg/codex/discovery
import pkg/codex/blocktype as bt
import ../../helpers
suite "NetworkStore engine - 2 nodes":
let
chunker1 = RandomChunker.new(Rng.instance(), size = 1024, chunkSize = 256)
chunker2 = RandomChunker.new(Rng.instance(), size = 1024, chunkSize = 256)
var
nodeCmps1, nodeCmps2: NodesComponents
peerCtx1, peerCtx2: BlockExcPeerCtx
pricing1, pricing2: Pricing
blocks1, blocks2: seq[bt.Block]
pendingBlocks1, pendingBlocks2: seq[Future[bt.Block]]
setup:
while true:
let chunk = await chunker1.getBytes()
if chunk.len <= 0:
break
blocks1.add(bt.Block.new(chunk).tryGet())
while true:
let chunk = await chunker2.getBytes()
if chunk.len <= 0:
break
blocks2.add(bt.Block.new(chunk).tryGet())
nodeCmps1 = generateNodes(1, blocks1)[0]
nodeCmps2 = generateNodes(1, blocks2)[0]
await allFuturesThrowing(
nodeCmps1.switch.start(),
nodeCmps1.blockDiscovery.start(),
nodeCmps1.engine.start(),
nodeCmps2.switch.start(),
nodeCmps2.blockDiscovery.start(),
nodeCmps2.engine.start())
# initialize our want lists
pendingBlocks1 = blocks2.mapIt( nodeCmps1.pendingBlocks.getWantHandle( it.cid ) )
pendingBlocks2 = blocks1.mapIt( nodeCmps2.pendingBlocks.getWantHandle( it.cid ) )
pricing1.address = nodeCmps1.wallet.address
pricing2.address = nodeCmps2.wallet.address
nodeCmps1.engine.pricing = pricing1.some
nodeCmps2.engine.pricing = pricing2.some
await nodeCmps1.switch.connect(
nodeCmps2.switch.peerInfo.peerId,
nodeCmps2.switch.peerInfo.addrs)
await sleepAsync(1.seconds) # give some time to exchange lists
peerCtx2 = nodeCmps1.peerStore.get(nodeCmps2.switch.peerInfo.peerId)
peerCtx1 = nodeCmps2.peerStore.get(nodeCmps1.switch.peerInfo.peerId)
check isNil(peerCtx1).not
check isNil(peerCtx2).not
teardown:
await allFuturesThrowing(
nodeCmps1.blockDiscovery.stop(),
nodeCmps1.engine.stop(),
nodeCmps1.switch.stop(),
nodeCmps2.blockDiscovery.stop(),
nodeCmps2.engine.stop(),
nodeCmps2.switch.stop())
test "Should exchange want lists on connect":
await allFuturesThrowing(
allFinished(pendingBlocks1))
.wait(10.seconds)
await allFuturesThrowing(
allFinished(pendingBlocks2))
.wait(10.seconds)
check:
peerCtx1.peerHave.mapIt( $it ).sorted(cmp[string]) ==
pendingBlocks2.mapIt( $it.read.cid ).sorted(cmp[string])
peerCtx2.peerHave.mapIt( $it ).sorted(cmp[string]) ==
pendingBlocks1.mapIt( $it.read.cid ).sorted(cmp[string])
test "Should exchanges accounts on connect":
check peerCtx1.account.?address == pricing1.address.some
check peerCtx2.account.?address == pricing2.address.some
test "Should send want-have for block":
let blk = bt.Block.new("Block 1".toBytes).tryGet()
(await nodeCmps2.localStore.putBlock(blk)).tryGet()
let entry = Entry(
`block`: blk.cid.data.buffer,
priority: 1,
cancel: false,
wantType: WantType.wantBlock,
sendDontHave: false)
peerCtx1.peerWants.add(entry)
check nodeCmps2
.engine
.taskQueue
.pushOrUpdateNoWait(peerCtx1).isOk
check eventually (await nodeCmps1.localStore.hasBlock(blk.cid)).tryGet()
test "Should get blocks from remote":
let blocks = await allFinished(
blocks2.mapIt( nodeCmps1.networkStore.getBlock(it.cid) ))
check blocks.mapIt( it.read().tryGet().get() ) == blocks2
test "Remote should send blocks when available":
let blk = bt.Block.new("Block 1".toBytes).tryGet()
# should fail retrieving block from remote
check not await nodeCmps1.networkStore.getBlock(blk.cid)
.withTimeout(100.millis) # should expire
# second trigger blockexc to resolve any pending requests
# for the block
(await nodeCmps2.networkStore.putBlock(blk)).tryGet()
# should succeed retrieving block from remote
check await nodeCmps1.networkStore.getBlock(blk.cid)
.withTimeout(100.millis) # should succeed
test "Should receive payments for blocks that were sent":
let blocks = await allFinished(
blocks2.mapIt( nodeCmps1.networkStore.getBlock(it.cid) ))
let channel = !peerCtx1.paymentChannel
let wallet = nodeCmps2.wallet
check eventually wallet.balance(channel, Asset) > 0
suite "NetworkStore - multiple nodes":
let
chunker = RandomChunker.new(Rng.instance(), size = 4096, chunkSize = 256)
var
switch: seq[Switch]
networkStore: seq[NetworkStore]
blocks: seq[bt.Block]
setup:
while true:
let chunk = await chunker.getBytes()
if chunk.len <= 0:
break
blocks.add(bt.Block.new(chunk).tryGet())
for e in generateNodes(5):
switch.add(e.switch)
networkStore.add(e.networkStore)
await e.engine.start()
await allFuturesThrowing(
switch.mapIt( it.start() )
)
teardown:
await allFuturesThrowing(
switch.mapIt( it.stop() )
)
switch = @[]
networkStore = @[]
test "Should receive haves for own want list":
let
downloader = networkStore[4]
engine = downloader.engine
# Add blocks from 1st peer to want list
let
pendingBlocks1 = blocks[0..3].mapIt( engine.pendingBlocks.getWantHandle( it.cid ) )
pendingBlocks2 = blocks[12..15].mapIt( engine.pendingBlocks.getWantHandle( it.cid ))
for i in 0..15:
(await networkStore[i div 4].engine.localStore.putBlock(blocks[i])).tryGet()
await connectNodes(switch)
await sleepAsync(1.seconds)
await allFuturesThrowing(
allFinished(pendingBlocks1),
allFinished(pendingBlocks2))
let
peers = toSeq(engine.peers)
check:
peers[0].peerHave.mapIt($it).sorted(cmp[string]) ==
blocks[0..3].mapIt( $(it.cid) ).sorted(cmp[string])
peers[3].peerHave.mapIt($it).sorted(cmp[string]) ==
blocks[12..15].mapIt( $(it.cid) ).sorted(cmp[string])
test "Should exchange blocks with multiple nodes":
let
downloader = networkStore[4]
engine = downloader.engine
# Add blocks from 1st peer to want list
let
pendingBlocks1 = blocks[0..3].mapIt( engine.pendingBlocks.getWantHandle( it.cid ) )
pendingBlocks2 = blocks[12..15].mapIt( engine.pendingBlocks.getWantHandle( it.cid ))
for i in 0..15:
(await networkStore[i div 4].engine.localStore.putBlock(blocks[i])).tryGet()
await connectNodes(switch)
await sleepAsync(1.seconds)
await allFuturesThrowing(
allFinished(pendingBlocks1),
allFinished(pendingBlocks2))
check pendingBlocks1.mapIt( it.read ) == blocks[0..3]
check pendingBlocks2.mapIt( it.read ) == blocks[12..15]