nim-dagger/tests/codex/node/testnode.nim

152 lines
4.2 KiB
Nim

import std/os
import std/options
import std/math
import std/times
import std/sequtils
import std/importutils
import pkg/chronos
import pkg/stew/byteutils
import pkg/datastore
import pkg/questionable
import pkg/questionable/results
import pkg/stint
import pkg/poseidon2
import pkg/poseidon2/io
import pkg/nitro
import pkg/codexdht/discv5/protocol as discv5
import pkg/codex/logutils
import pkg/codex/stores
import pkg/codex/clock
import pkg/codex/contracts
import pkg/codex/systemclock
import pkg/codex/blockexchange
import pkg/codex/chunker
import pkg/codex/slots
import pkg/codex/manifest
import pkg/codex/discovery
import pkg/codex/erasure
import pkg/codex/merkletree
import pkg/codex/blocktype as bt
import pkg/codex/node {.all.}
import ../../asynctest
import ../examples
import ../helpers
import ../helpers/mockmarket
import ../helpers/mockclock
import ./helpers
privateAccess(CodexNodeRef) # enable access to private fields
asyncchecksuite "Test Node - Basic":
setupAndTearDown()
test "Fetch Manifest":
let
manifest = await storeDataGetManifest(localStore, chunker)
manifestBlock = bt.Block.new(
manifest.encode().tryGet(),
codec = ManifestCodec).tryGet()
(await localStore.putBlock(manifestBlock)).tryGet()
let
fetched = (await node.fetchManifest(manifestBlock.cid)).tryGet()
check:
fetched == manifest
test "Block Batching":
let manifest = await storeDataGetManifest(localStore, chunker)
for batchSize in 1..12:
(await node.fetchBatched(
manifest,
batchSize = batchSize,
proc(blocks: seq[bt.Block]): Future[?!void] {.gcsafe, async.} =
check blocks.len > 0 and blocks.len <= batchSize
return success()
)).tryGet()
test "Store and retrieve Data Stream":
let
stream = BufferStream.new()
storeFut = node.store(stream)
oddChunkSize = math.trunc(DefaultBlockSize.float / 3.14).NBytes # Let's check that node.store can correctly rechunk these odd chunks
oddChunker = FileChunker.new(file = file, chunkSize = oddChunkSize, pad = false) # TODO: doesn't work with pad=tue
var
original: seq[byte]
try:
while (
let chunk = await oddChunker.getBytes();
chunk.len > 0):
original &= chunk
await stream.pushData(chunk)
finally:
await stream.pushEof()
await stream.close()
let
manifestCid = (await storeFut).tryGet()
manifestBlock = (await localStore.getBlock(manifestCid)).tryGet()
localManifest = Manifest.decode(manifestBlock).tryGet()
data = await (await node.retrieve(manifestCid)).drain()
check:
data.len == localManifest.datasetSize.int
data.len == original.len
sha256.digest(data) == sha256.digest(original)
test "Retrieve One Block":
let
testString = "Block 1"
blk = bt.Block.new(testString.toBytes).tryGet()
(await localStore.putBlock(blk)).tryGet()
let stream = (await node.retrieve(blk.cid)).tryGet()
defer: await stream.close()
var data = newSeq[byte](testString.len)
await stream.readExactly(addr data[0], data.len)
check string.fromBytes(data) == testString
test "Setup purchase request":
let
erasure = Erasure.new(store, leoEncoderProvider, leoDecoderProvider)
manifest = await storeDataGetManifest(localStore, chunker)
manifestBlock = bt.Block.new(
manifest.encode().tryGet(),
codec = ManifestCodec).tryGet()
protected = (await erasure.encode(manifest, 3, 2)).tryGet()
builder = Poseidon2Builder.new(localStore, protected).tryGet()
verifiable = (await builder.buildManifest()).tryGet()
verifiableBlock = bt.Block.new(
verifiable.encode().tryGet(),
codec = ManifestCodec).tryGet()
(await localStore.putBlock(manifestBlock)).tryGet()
let
request = (await node.setupRequest(
cid = manifestBlock.cid,
nodes = 5,
tolerance = 2,
duration = 100.u256,
reward = 2.u256,
proofProbability = 3.u256,
expiry = 200.u256,
collateral = 200.u256)).tryGet
check:
(await verifiableBlock.cid in localStore) == true
request.content.cid == $verifiableBlock.cid
request.content.merkleRoot == builder.verifyRoot.get.toBytes