133 lines
3.1 KiB
Nim
133 lines
3.1 KiB
Nim
import std/os
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import std/options
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import pkg/asynctest
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import pkg/chronos
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import pkg/chronicles
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import pkg/stew/byteutils
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import pkg/nitro
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import pkg/libp2p
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import pkg/dagger/stores
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import pkg/dagger/blockexchange
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import pkg/dagger/chunker
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import pkg/dagger/node
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import pkg/dagger/manifest
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import pkg/dagger/blocktype as bt
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import ./helpers
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suite "Test Node":
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let
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(path, _, _) = instantiationInfo(-2, fullPaths = true) # get this file's name
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var
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file: File
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chunker: Chunker
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switch: Switch
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wallet: WalletRef
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network: BlockExcNetwork
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localStore: CacheStore
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engine: BlockExcEngine
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store: NetworkStore
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node: DaggerNodeRef
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setup:
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file = open(path.splitFile().dir /../ "fixtures" / "test.jpg")
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chunker = FileChunker.new(file = file, chunkSize = BlockSize)
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switch = newStandardSwitch()
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wallet = WalletRef.new(EthPrivateKey.random())
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network = BlockExcNetwork.new(switch)
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localStore = CacheStore.new()
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engine = BlockExcEngine.new(localStore, wallet, network)
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store = NetworkStore.new(engine, localStore)
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node = DaggerNodeRef.new(switch, store, engine, nil) # TODO: pass `Erasure`
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await node.start()
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teardown:
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close(file)
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await node.stop()
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test "Store Data Stream":
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let
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stream = BufferStream.new()
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storeFut = node.store(stream)
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var
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manifest = Manifest.new().tryGet()
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try:
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while (
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let chunk = await chunker.getBytes();
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chunk.len > 0):
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await stream.pushData(chunk)
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manifest.add(bt.Block.new(chunk).tryGet().cid)
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finally:
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await stream.pushEof()
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await stream.close()
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let
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manifestCid = (await storeFut).tryGet()
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check:
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manifestCid in localStore
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var
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manifestBlock = (await localStore.getBlock(manifestCid)).tryGet()
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localManifest = Manifest.decode(manifestBlock.data).tryGet()
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check:
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manifest.len == localManifest.len
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manifest.cid == localManifest.cid
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test "Retrieve Data Stream":
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var
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manifest = Manifest.new().tryGet()
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original: seq[byte]
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while (
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let chunk = await chunker.getBytes();
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chunk.len > 0):
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let
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blk = bt.Block.new(chunk).tryGet()
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original &= chunk
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check await localStore.putBlock(blk)
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manifest.add(blk.cid)
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let
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manifestBlock = bt.Block.new(
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manifest.encode().tryGet(),
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codec = DagPBCodec)
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.tryGet()
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check await localStore.putBlock(manifestBlock)
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let stream = (await node.retrieve(manifestBlock.cid)).tryGet()
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var data: seq[byte]
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while not stream.atEof:
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var
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buf = newSeq[byte](BlockSize)
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res = await stream.readOnce(addr buf[0], BlockSize div 2)
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buf.setLen(res)
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data &= buf
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check data == original
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test "Retrieve One Block":
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let
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testString = "Block 1"
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blk = bt.Block.new(testString.toBytes).tryGet()
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check (await localStore.putBlock(blk))
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let stream = (await node.retrieve(blk.cid)).tryGet()
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var data = newSeq[byte](testString.len)
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await stream.readExactly(addr data[0], data.len)
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check string.fromBytes(data) == testString
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