nim-codex/tests/dagger/blockexc/testblockexc.nim

257 lines
7.4 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/dagger/rng
import pkg/dagger/stores
import pkg/dagger/blockexchange
import pkg/dagger/chunker
import pkg/dagger/blocktype as bt
import ../helpers
import ../examples
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
switch1, switch2: Switch
wallet1, wallet2: WalletRef
pricing1, pricing2: Pricing
network1, network2: BlockExcNetwork
blockexc1, blockexc2: NetworkStore
peerId1, peerId2: PeerID
peerCtx1, peerCtx2: BlockExcPeerCtx
blocks1, blocks2: seq[bt.Block]
engine1, engine2: BlockExcEngine
localStore1, localStore2: BlockStore
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())
switch1 = newStandardSwitch()
switch2 = newStandardSwitch()
wallet1 = WalletRef.example
wallet2 = WalletRef.example
pricing1 = Pricing.example
pricing2 = Pricing.example
await switch1.start()
await switch2.start()
peerId1 = switch1.peerInfo.peerId
peerId2 = switch2.peerInfo.peerId
localStore1 = CacheStore.new(blocks1.mapIt( it ))
network1 = BlockExcNetwork.new(switch = switch1)
engine1 = BlockExcEngine.new(localStore1, wallet1, network1)
blockexc1 = NetworkStore.new(engine1, localStore1)
switch1.mount(network1)
localStore2 = CacheStore.new(blocks2.mapIt( it ))
network2 = BlockExcNetwork.new(switch = switch2)
engine2 = BlockExcEngine.new(localStore2, wallet2, network2)
blockexc2 = NetworkStore.new(engine2, localStore2)
switch2.mount(network2)
await allFuturesThrowing(
engine1.start(),
engine2.start(),
)
# initialize our want lists
blockexc1.engine.wantList = blocks2.mapIt( it.cid )
blockexc2.engine.wantList = blocks1.mapIt( it.cid )
pricing1.address = wallet1.address
pricing2.address = wallet2.address
blockexc1.engine.pricing = pricing1.some
blockexc2.engine.pricing = pricing2.some
await switch1.connect(
switch2.peerInfo.peerId,
switch2.peerInfo.addrs)
await sleepAsync(1.seconds) # give some time to exchange lists
peerCtx2 = blockexc1.engine.getPeerCtx(peerId2)
peerCtx1 = blockexc2.engine.getPeerCtx(peerId1)
teardown:
await allFuturesThrowing(
engine1.stop(),
engine2.stop(),
switch1.stop(),
switch2.stop())
test "should exchange want lists on connect":
check not isNil(peerCtx1)
check not isNil(peerCtx2)
check:
peerCtx1.peerHave.mapIt( $it ).sorted(cmp[string]) ==
blockexc2.engine.wantList.mapIt( $it ).sorted(cmp[string])
peerCtx2.peerHave.mapIt( $it ).sorted(cmp[string]) ==
blockexc1.engine.wantList.mapIt( $it ).sorted(cmp[string])
test "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()
check await blockexc2.engine.localStore.putBlock(blk)
let entry = Entry(
`block`: blk.cid.data.buffer,
priority: 1,
cancel: false,
wantType: WantType.wantBlock,
sendDontHave: false)
peerCtx1.peerWants.add(entry)
check blockexc2
.engine
.taskQueue
.pushOrUpdateNoWait(peerCtx1).isOk
await sleepAsync(100.millis)
check blockexc1.engine.localStore.hasBlock(blk.cid)
test "should get blocks from remote":
let blocks = await allFinished(
blocks2.mapIt( blockexc1.getBlock(it.cid) ))
check blocks.mapIt( !it.read ) == 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 blockexc1.getBlock(blk.cid)
.withTimeout(100.millis) # should expire
# first put the required block in the local store
check await blockexc2.engine.localStore.putBlock(blk)
# second trigger blockexc to resolve any pending requests
# for the block
check await blockexc2.putBlock(blk)
# should succeed retrieving block from remote
check await blockexc1.getBlock(blk.cid)
.withTimeout(100.millis) # should succede
test "receives payments for blocks that were sent":
let blocks = await allFinished(
blocks2.mapIt( blockexc1.getBlock(it.cid) ))
await sleepAsync(100.millis)
let channel = !peerCtx1.paymentChannel
check wallet2.balance(channel, Asset) > 0
suite "NetworkStore - multiple nodes":
let
chunker = RandomChunker.new(Rng.instance(), size = 4096, chunkSize = 256)
var
switch: seq[Switch]
blockexc: 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)
blockexc.add(e.blockexc)
await e.blockexc.engine.start()
await allFuturesThrowing(
switch.mapIt( it.start() )
)
teardown:
await allFuturesThrowing(
switch.mapIt( it.stop() )
)
switch = @[]
blockexc = @[]
test "should receive haves for own want list":
let
downloader = blockexc[4]
engine = downloader.engine
# Add blocks from 1st peer to want list
engine.wantList &= blocks[0..3].mapIt( it.cid )
engine.wantList &= blocks[12..15].mapIt( it.cid )
await allFutures(
blocks[0..3].mapIt( blockexc[0].engine.localStore.putBlock(it) ))
await allFutures(
blocks[4..7].mapIt( blockexc[1].engine.localStore.putBlock(it) ))
await allFutures(
blocks[8..11].mapIt( blockexc[2].engine.localStore.putBlock(it) ))
await allFutures(
blocks[12..15].mapIt( blockexc[3].engine.localStore.putBlock(it) ))
await connectNodes(switch)
await sleepAsync(1.seconds)
check:
engine.peers[0].peerHave.mapIt($it).sorted(cmp[string]) ==
blocks[0..3].mapIt( it.cid ).mapIt($it).sorted(cmp[string])
engine.peers[3].peerHave.mapIt($it).sorted(cmp[string]) ==
blocks[12..15].mapIt( it.cid ).mapIt($it).sorted(cmp[string])
test "should exchange blocks with multiple nodes":
let
downloader = blockexc[4]
engine = downloader.engine
# Add blocks from 1st peer to want list
engine.wantList &= blocks[0..3].mapIt( it.cid )
engine.wantList &= blocks[12..15].mapIt( it.cid )
await allFutures(
blocks[0..3].mapIt( blockexc[0].engine.localStore.putBlock(it) ))
await allFutures(
blocks[4..7].mapIt( blockexc[1].engine.localStore.putBlock(it) ))
await allFutures(
blocks[8..11].mapIt( blockexc[2].engine.localStore.putBlock(it) ))
await allFutures(
blocks[12..15].mapIt( blockexc[3].engine.localStore.putBlock(it) ))
await connectNodes(switch)
await sleepAsync(1.seconds)
let wantListBlocks = await allFinished(
blocks[0..3].mapIt( downloader.getBlock(it.cid) ))
check wantListBlocks.mapIt( !it.read ) == blocks[0..3]