Improving proc/func formatting consistency (#454)

* Fixes/workarounds for nimsuggest failures in codex.nim.

* remove rng prefix - it appears to work now

* format new's to be more consistent

* making proc formatting a bit more consistent

codex/blockexchange/engine/discovery.nim

@@ -242,19 +242,22 @@ proc stop*(b: DiscoveryEngine) {.async.} =
   trace "Discovery engine stopped"
 
 proc new*(
-  T: type DiscoveryEngine,
+    T: type DiscoveryEngine,
-  localStore: BlockStore,
+    localStore: BlockStore,
-  peers: PeerCtxStore,
+    peers: PeerCtxStore,
-  network: BlockExcNetwork,
+    network: BlockExcNetwork,
-  discovery: Discovery,
+    discovery: Discovery,
-  pendingBlocks: PendingBlocksManager,
+    pendingBlocks: PendingBlocksManager,
-  concurrentAdvReqs = DefaultConcurrentAdvertRequests,
+    concurrentAdvReqs = DefaultConcurrentAdvertRequests,
-  concurrentDiscReqs = DefaultConcurrentDiscRequests,
+    concurrentDiscReqs = DefaultConcurrentDiscRequests,
-  discoveryLoopSleep = DefaultDiscoveryLoopSleep,
+    discoveryLoopSleep = DefaultDiscoveryLoopSleep,
-  advertiseLoopSleep = DefaultAdvertiseLoopSleep,
+    advertiseLoopSleep = DefaultAdvertiseLoopSleep,
-  minPeersPerBlock = DefaultMinPeersPerBlock,
+    minPeersPerBlock = DefaultMinPeersPerBlock,
-  advertiseType = BlockType.Both): DiscoveryEngine =
+    advertiseType = BlockType.Both
-  T(
+): DiscoveryEngine =
+  ## Create a discovery engine instance for advertising services
+  ## 
+  DiscoveryEngine(
     localStore: localStore,
     peers: peers,
     network: network,

codex/blockexchange/engine/engine.nim

@@ -496,15 +496,18 @@ proc blockexcTaskRunner(b: BlockExcEngine) {.async.} =
   trace "Exiting blockexc task runner"
 
 proc new*(
-  T: type BlockExcEngine,
+    T: type BlockExcEngine,
-  localStore: BlockStore,
+    localStore: BlockStore,
-  wallet: WalletRef,
+    wallet: WalletRef,
-  network: BlockExcNetwork,
+    network: BlockExcNetwork,
-  discovery: DiscoveryEngine,
+    discovery: DiscoveryEngine,
-  peerStore: PeerCtxStore,
+    peerStore: PeerCtxStore,
-  pendingBlocks: PendingBlocksManager,
+    pendingBlocks: PendingBlocksManager,
-  concurrentTasks = DefaultConcurrentTasks,
+    concurrentTasks = DefaultConcurrentTasks,
-  peersPerRequest = DefaultMaxPeersPerRequest): T =
+    peersPerRequest = DefaultMaxPeersPerRequest
+): BlockExcEngine =
+  ## Create new block exchange engine instance
+  ## 
 
   let
     engine = BlockExcEngine(

codex/blockexchange/engine/pendingblocks.nim

@@ -34,10 +34,11 @@ type
     blocks*: Table[Cid, BlockReq] # pending Block requests
 
 proc getWantHandle*(
-  p: PendingBlocksManager,
+    p: PendingBlocksManager,
-  cid: Cid,
+    cid: Cid,
-  timeout = DefaultBlockTimeout,
+    timeout = DefaultBlockTimeout,
-  inFlight = false): Future[Block] {.async.} =
+    inFlight = false
+): Future[Block] {.async.} =
   ## Add an event for a block
   ##
 
@@ -60,9 +61,8 @@ proc getWantHandle*(
   finally:
     p.blocks.del(cid)
 
-proc resolve*(
+proc resolve*(p: PendingBlocksManager,
-  p: PendingBlocksManager,
+              blocks: seq[Block]) =
-  blocks: seq[Block]) =
   ## Resolve pending blocks
   ##
 
@@ -73,28 +73,25 @@ proc resolve*(
         trace "Resolving block", cid = blk.cid
         pending[].handle.complete(blk)
 
-proc setInFlight*(
+proc setInFlight*(p: PendingBlocksManager,
-  p: PendingBlocksManager,
+                  cid: Cid,
-  cid: Cid,
+                  inFlight = true) =
-  inFlight = true) =
   p.blocks.withValue(cid, pending):
     pending[].inFlight = inFlight
     trace "Setting inflight", cid, inFlight = pending[].inFlight
 
-proc isInFlight*(
+proc isInFlight*(p: PendingBlocksManager,
-  p: PendingBlocksManager,
+                 cid: Cid
-  cid: Cid): bool =
+                ): bool =
   p.blocks.withValue(cid, pending):
     result = pending[].inFlight
     trace "Getting inflight", cid, inFlight = result
 
-proc pending*(
+proc pending*(p: PendingBlocksManager, cid: Cid): bool =
-  p: PendingBlocksManager,
+  cid in p.blocks
-  cid: Cid): bool = cid in p.blocks
 
-proc contains*(
+proc contains*(p: PendingBlocksManager, cid: Cid): bool =
-  p: PendingBlocksManager,
+  p.pending(cid)
-  cid: Cid): bool = p.pending(cid)
 
 iterator wantList*(p: PendingBlocksManager): Cid =
   for k in p.blocks.keys:
@@ -107,5 +104,5 @@ iterator wantHandles*(p: PendingBlocksManager): Future[Block] =
 func len*(p: PendingBlocksManager): int =
   p.blocks.len
 
-func new*(T: type PendingBlocksManager): T =
+func new*(T: type PendingBlocksManager): PendingBlocksManager =
-  T()
+  PendingBlocksManager()

codex/blockexchange/network/network.nim

@@ -102,12 +102,16 @@ proc handleWantList(
 
 # TODO: make into a template
 proc makeWantList*(
-  cids: seq[Cid],
+    cids: seq[Cid],
-  priority: int = 0,
+    priority: int = 0,
-  cancel: bool = false,
+    cancel: bool = false,
-  wantType: WantType = WantType.WantHave,
+    wantType: WantType = WantType.WantHave,
-  full: bool = false,
+    full: bool = false,
-  sendDontHave: bool = false): Wantlist =
+    sendDontHave: bool = false
+): Wantlist =
+  ## make list of wanted entries
+  ## 
+  
   Wantlist(
     entries: cids.mapIt(
       Entry(
@@ -119,14 +123,15 @@ proc makeWantList*(
     full: full)
 
 proc sendWantList*(
-  b: BlockExcNetwork,
+    b: BlockExcNetwork,
-  id: PeerId,
+    id: PeerId,
-  cids: seq[Cid],
+    cids: seq[Cid],
-  priority: int32 = 0,
+    priority: int32 = 0,
-  cancel: bool = false,
+    cancel: bool = false,
-  wantType: WantType = WantType.WantHave,
+    wantType: WantType = WantType.WantHave,
-  full: bool = false,
+    full: bool = false,
-  sendDontHave: bool = false): Future[void] =
+    sendDontHave: bool = false
+): Future[void] =
   ## Send a want message to peer
   ##
 
@@ -142,9 +147,10 @@ proc sendWantList*(
   b.send(id, Message(wantlist: msg))
 
 proc handleBlocks(
-  b: BlockExcNetwork,
+    b: BlockExcNetwork,
-  peer: NetworkPeer,
+    peer: NetworkPeer,
-  blocks: seq[pb.Block]) {.async.} =
+    blocks: seq[pb.Block]
+) {.async.} =
   ## Handle incoming blocks
   ##
 
@@ -203,9 +209,10 @@ proc sendBlockPresence*(
   b.send(id, Message(blockPresences: @presence))
 
 proc handleAccount(
-  network: BlockExcNetwork,
+    network: BlockExcNetwork,
-  peer: NetworkPeer,
+    peer: NetworkPeer,
-  account: Account) {.async.} =
+    account: Account
+) {.async.} =
   ## Handle account info
   ##
 
@@ -213,34 +220,43 @@ proc handleAccount(
     await network.handlers.onAccount(peer.id, account)
 
 proc sendAccount*(
-  b: BlockExcNetwork,
+    b: BlockExcNetwork,
-  id: PeerId,
+    id: PeerId,
-  account: Account): Future[void] =
+    account: Account
+): Future[void] =
   ## Send account info to remote
   ##
 
   b.send(id, Message(account: AccountMessage.init(account)))
 
 proc sendPayment*(
-  b: BlockExcNetwork,
+    b: BlockExcNetwork,
-  id: PeerId,
+    id: PeerId,
-  payment: SignedState): Future[void] =
+    payment: SignedState
+): Future[void] =
   ## Send payment to remote
   ##
 
   b.send(id, Message(payment: StateChannelUpdate.init(payment)))
 
 proc handlePayment(
-  network: BlockExcNetwork,
+    network: BlockExcNetwork,
-  peer: NetworkPeer,
+    peer: NetworkPeer,
-  payment: SignedState) {.async.} =
+    payment: SignedState
+) {.async.} =
   ## Handle payment
   ##
 
   if not network.handlers.onPayment.isNil:
     await network.handlers.onPayment(peer.id, payment)
 
-proc rpcHandler(b: BlockExcNetwork, peer: NetworkPeer, msg: Message) {.async.} =
+proc rpcHandler(
+    b: BlockExcNetwork,
+    peer: NetworkPeer,
+    msg: Message
+) {.async.} =
+  ## handle rpc messages
+  ## 
   try:
     if msg.wantlist.entries.len > 0:
       asyncSpawn b.handleWantList(peer, msg.wantlist)
@@ -325,10 +341,11 @@ method init*(b: BlockExcNetwork) =
   b.codec = Codec
 
 proc new*(
-  T: type BlockExcNetwork,
+    T: type BlockExcNetwork,
-  switch: Switch,
+    switch: Switch,
-  connProvider: ConnProvider = nil,
+    connProvider: ConnProvider = nil,
-  maxInflight = MaxInflight): T =
+    maxInflight = MaxInflight
+): BlockExcNetwork =
   ## Create a new BlockExcNetwork instance
   ##
 

codex/blockexchange/network/networkpeer.nim

@@ -85,7 +85,8 @@ func new*(
   T: type NetworkPeer,
   peer: PeerId,
   connProvider: ConnProvider,
-  rpcHandler: RPCHandler): T =
+  rpcHandler: RPCHandler
+): NetworkPeer =
 
   doAssert(not isNil(connProvider),
     "should supply connection provider")

codex/blockexchange/peers/peerctxstore.nim

@@ -93,5 +93,5 @@ func selectCheapest*(self: PeerCtxStore, cid: Cid): seq[BlockExcPeerCtx] =
   return peers
 
 proc new*(T: type PeerCtxStore): PeerCtxStore =
-  T(
+  ## create new instance of a peer context store
-    peers: initOrderedTable[PeerId, BlockExcPeerCtx]())
+  PeerCtxStore(peers: initOrderedTable[PeerId, BlockExcPeerCtx]())

codex/blocktype.nim

@@ -126,11 +126,14 @@ proc `$`*(b: Block): string =
   result &= "\ndata: " & string.fromBytes(b.data)
 
 func new*(
-  T: type Block,
+    T: type Block,
-  data: openArray[byte] = [],
+    data: openArray[byte] = [],
-  version = CIDv1,
+    version = CIDv1,
-  mcodec = multiCodec("sha2-256"),
+    mcodec = multiCodec("sha2-256"),
-  codec = multiCodec("raw")): ?!T =
+    codec = multiCodec("raw")
+): ?!Block =
+  ## creates a new block for both storage and network IO
+  ## 
 
   let
     hash = ? MultiHash.digest($mcodec, data).mapFailure
@@ -143,10 +146,13 @@ func new*(
     data: @data).success
 
 func new*(
-  T: type Block,
+    T: type Block,
-  cid: Cid,
+    cid: Cid,
-  data: openArray[byte],
+    data: openArray[byte],
-  verify: bool = true): ?!T =
+    verify: bool = true
+): ?!Block =
+  ## creates a new block for both storage and network IO
+  ## 
 
   let
     mhash = ? cid.mhash.mapFailure

codex/chunker.nim

@@ -60,21 +60,25 @@ proc getBytes*(c: Chunker): Future[seq[byte]] {.async.} =
   return move buff
 
 func new*(
-  T: type Chunker,
+    T: type Chunker,
-  reader: Reader,
+    reader: Reader,
-  chunkSize = DefaultChunkSize,
+    chunkSize = DefaultChunkSize,
-  pad = true): T =
+    pad = true
-
+): Chunker =
-  T(reader: reader,
+  ## create a new Chunker instance
+  ##
+  Chunker(
+    reader: reader,
     offset: 0,
     chunkSize: chunkSize,
     pad: pad)
 
 proc new*(
-  T: type LPStreamChunker,
+    T: type LPStreamChunker,
-  stream: LPStream,
+    stream: LPStream,
-  chunkSize = DefaultChunkSize,
+    chunkSize = DefaultChunkSize,
-  pad = true): T =
+    pad = true
+): LPStreamChunker =
   ## create the default File chunker
   ##
 
@@ -92,16 +96,17 @@ proc new*(
 
     return res
 
-  T.new(
+  LPStreamChunker.new(
     reader = reader,
     chunkSize = chunkSize,
     pad = pad)
 
 proc new*(
-  T: type FileChunker,
+    T: type FileChunker,
-  file: File,
+    file: File,
-  chunkSize = DefaultChunkSize,
+    chunkSize = DefaultChunkSize,
-  pad = true): T =
+    pad = true
+): FileChunker =
   ## create the default File chunker
   ##
 
@@ -123,7 +128,7 @@ proc new*(
 
     return total
 
-  T.new(
+  FileChunker.new(
     reader = reader,
     chunkSize = chunkSize,
     pad = pad)

codex/codex.nim

@@ -51,7 +51,13 @@ type
 
   CodexPrivateKey* = libp2p.PrivateKey # alias
 
-proc bootstrapInteractions(config: CodexConf, repo: RepoStore): Future[Contracts] {.async.} =
+proc bootstrapInteractions(
+    config: CodexConf,
+    repo: RepoStore
+): Future[Contracts] {.async.} =
+  ## bootstrap interactions and return contracts 
+  ## using clients, hosts, validators pairings
+  ## 
 
   if not config.persistence and not config.validator:
     if config.ethAccount.isSome:
@@ -150,7 +156,8 @@ proc stop*(s: CodexServer) {.async.} =
 proc new*(
     T: type CodexServer,
     config: CodexConf,
-    privateKey: CodexPrivateKey): CodexServer =
+    privateKey: CodexPrivateKey
+): CodexServer =
   ## create CodexServer including setting up datastore, repostore, etc
   let
     switch = SwitchBuilder
@@ -231,9 +238,10 @@ proc new*(
 
   switch.mount(network)
 
-  T(
+  CodexServer(
     config: config,
     codexNode: codexNode,
     restServer: restServer,
     repoStore: repoStore,
-    maintenance: maintenance)
+    maintenance: maintenance
+  )

codex/contracts/interactions/hostinteractions.nim

@@ -14,10 +14,14 @@ type
     sales*: Sales
     proving*: Proving
 
-proc new*(_: type HostInteractions,
+proc new*(
-          clock: OnChainClock,
+    _: type HostInteractions,
-          sales: Sales,
+    clock: OnChainClock,
-          proving: Proving): HostInteractions =
+    sales: Sales,
+    proving: Proving
+): HostInteractions =
+  ## Create a new HostInteractions instance
+  ## 
   HostInteractions(clock: clock, sales: sales, proving: proving)
 
 method start*(self: HostInteractions) {.async.} =

codex/contracts/market.nim

@@ -74,7 +74,7 @@ method getRequest(market: OnChainMarket,
     raise e
 
 method requestState*(market: OnChainMarket,
-                 requestId: RequestId): Future[?RequestState] {.async.} =
+                     requestId: RequestId): Future[?RequestState] {.async.} =
   try:
     return some await market.contract.requestState(requestId)
   except ProviderError as e:
@@ -100,9 +100,8 @@ method getHost(market: OnChainMarket,
   else:
     return none Address
 
-method getActiveSlot*(
+method getActiveSlot*(market: OnChainMarket,
-  market: OnChainMarket,
+                      slotId: SlotId): Future[?Slot] {.async.} =
-  slotId: SlotId): Future[?Slot] {.async.} =
 
   try:
     return some await market.contract.getActiveSlot(slotId)
@@ -154,9 +153,11 @@ method markProofAsMissing*(market: OnChainMarket,
                            period: Period) {.async.} =
   await market.contract.markProofAsMissing(id, period)
 
-method canProofBeMarkedAsMissing*(market: OnChainMarket,
+method canProofBeMarkedAsMissing*(
-                                  id: SlotId,
+    market: OnChainMarket,
-                                  period: Period): Future[bool] {.async.} =
+    id: SlotId,
+    period: Period
+): Future[bool] {.async.} =
   let provider = market.contract.provider
   let contractWithoutSigner = market.contract.connect(provider)
   let overrides = CallOverrides(blockTag: some BlockTag.pending)

codex/discovery.nim

@@ -56,25 +56,27 @@ proc toNodeId*(host: ca.Address): NodeId =
   readUintBE[256](keccak256.digest(host.toArray).data)
 
 proc findPeer*(
-  d: Discovery,
+    d: Discovery,
-  peerId: PeerId): Future[?PeerRecord] {.async.} =
+    peerId: PeerId
+): Future[?PeerRecord] {.async.} =
   trace "protocol.resolve..."
+  ## Find peer using the given Discovery object
+  ##
   let
     node = await d.protocol.resolve(toNodeId(peerId))
 
   return
     if node.isSome():
-      trace "protocol.resolve some data"
       node.get().record.data.some
     else:
-      trace "protocol.resolve none"
       PeerRecord.none
 
 method find*(
-  d: Discovery,
+    d: Discovery,
-  cid: Cid): Future[seq[SignedPeerRecord]] {.async, base.} =
+    cid: Cid
+): Future[seq[SignedPeerRecord]] {.async, base.} =
   ## Find block providers
-  ##
+  ## 
 
   trace "Finding providers for block", cid
   without providers =?
@@ -98,8 +100,9 @@ method provide*(d: Discovery, cid: Cid) {.async, base.} =
   trace "Provided to nodes", nodes = nodes.len
 
 method find*(
-  d: Discovery,
+    d: Discovery,
-  host: ca.Address): Future[seq[SignedPeerRecord]] {.async, base.} =
+    host: ca.Address
+): Future[seq[SignedPeerRecord]] {.async, base.} =
   ## Find host providers
   ##
 
@@ -129,11 +132,20 @@ method provide*(d: Discovery, host: ca.Address) {.async, base.} =
   if nodes.len > 0:
     trace "Provided to nodes", nodes = nodes.len
 
-method removeProvider*(d: Discovery, peerId: PeerId): Future[void] {.base.} =
+method removeProvider*(
+    d: Discovery,
+    peerId: PeerId
+): Future[void] {.base.} =
+  ## Remove provider from providers table
+  ##
+
   trace "Removing provider", peerId
   d.protocol.removeProvidersLocal(peerId)
 
 proc updateAnnounceRecord*(d: Discovery, addrs: openArray[MultiAddress]) =
+  ## Update providers record
+  ##
+
   d.announceAddrs = @addrs
 
   trace "Updating announce record", addrs = d.announceAddrs
@@ -146,6 +158,9 @@ proc updateAnnounceRecord*(d: Discovery, addrs: openArray[MultiAddress]) =
       .expect("Should update SPR")
 
 proc updateDhtRecord*(d: Discovery, ip: ValidIpAddress, port: Port) =
+  ## Update providers record
+  ##
+
   trace "Updating Dht record", ip, port = $port
   d.dhtRecord = SignedPeerRecord.init(
     d.key, PeerRecord.init(d.peerId, @[
@@ -154,10 +169,6 @@ proc updateDhtRecord*(d: Discovery, ip: ValidIpAddress, port: Port) =
         IpTransportProtocol.udpProtocol,
         port)])).expect("Should construct signed record").some
 
-  if not d.protocol.isNil:
-    d.protocol.updateRecord(d.dhtRecord)
-      .expect("Should update SPR")
-
 proc start*(d: Discovery) {.async.} =
   d.protocol.open()
   await d.protocol.start()
@@ -166,17 +177,19 @@ proc stop*(d: Discovery) {.async.} =
   await d.protocol.closeWait()
 
 proc new*(
-  T: type Discovery,
+    T: type Discovery,
-  key: PrivateKey,
+    key: PrivateKey,
-  bindIp = ValidIpAddress.init(IPv4_any()),
+    bindIp = ValidIpAddress.init(IPv4_any()),
-  bindPort = 0.Port,
+    bindPort = 0.Port,
-  announceAddrs: openArray[MultiAddress],
+    announceAddrs: openArray[MultiAddress],
-  bootstrapNodes: openArray[SignedPeerRecord] = [],
+    bootstrapNodes: openArray[SignedPeerRecord] = [],
-  store: Datastore = SQLiteDatastore.new(Memory)
+    store: Datastore = SQLiteDatastore.new(Memory).expect("Should not fail!")
-    .expect("Should not fail!")): T =
+): Discovery =
+  ## Create a new Discovery node instance for the given key and datastore 
+  ## 
 
   var
-    self = T(
+    self = Discovery(
       key: key,
       peerId: PeerId.init(key).expect("Should construct PeerId"))
 

codex/erasure.nim

@@ -12,8 +12,14 @@ import ./erasure/backends/leopard
 
 export erasure
 
-func leoEncoderProvider*(size, buffers, parity: int): EncoderBackend {.raises: [Defect].} =
+func leoEncoderProvider*(
+    size, buffers, parity: int
+): EncoderBackend {.raises: [Defect].} =
+  ## create new Leo Encoder
   LeoEncoderBackend.new(size, buffers, parity)
 
-func leoDecoderProvider*(size, buffers, parity: int): DecoderBackend {.raises: [Defect].} =
+func leoDecoderProvider*(
-    LeoDecoderBackend.new(size, buffers, parity)
+    size, buffers, parity: int
+): DecoderBackend {.raises: [Defect].} =
+  ## create new Leo Decoder
+  LeoDecoderBackend.new(size, buffers, parity)

codex/erasure/backend.nim

@@ -23,17 +23,25 @@ type
   DecoderBackend* = ref object of Backend
 
 method release*(self: Backend) {.base.} =
+  ## release the backend
+  ## 
   raiseAssert("not implemented!")
 
 method encode*(
-  self: EncoderBackend,
+    self: EncoderBackend,
-  buffers,
+    buffers,
-  parity: var openArray[seq[byte]]): Result[void, cstring] {.base.} =
+    parity: var openArray[seq[byte]]
+): Result[void, cstring] {.base.} =
+  ## encode buffers using a backend
+  ## 
   raiseAssert("not implemented!")
 
 method decode*(
-  self: DecoderBackend,
+    self: DecoderBackend,
-  buffers,
+    buffers,
-  parity,
+    parity,
-  recovered: var openArray[seq[byte]]): Result[void, cstring] {.base.} =
+    recovered: var openArray[seq[byte]]
+): Result[void, cstring] {.base.} =
+  ## decode buffers using a backend
+  ## 
   raiseAssert("not implemented!")

codex/erasure/backends/leopard.nim

@@ -22,9 +22,11 @@ type
     decoder*: Option[LeoDecoder]
 
 method encode*(
-  self: LeoEncoderBackend,
+    self: LeoEncoderBackend,
-  data,
+    data,
-  parity: var openArray[seq[byte]]): Result[void, cstring] =
+    parity: var openArray[seq[byte]]
+): Result[void, cstring] =
+  ## Encode data using Leopard backend
 
   if parity.len == 0:
     return ok()
@@ -41,12 +43,15 @@ method encode*(
   encoder.encode(data, parity)
 
 method decode*(
-  self: LeoDecoderBackend,
+    self: LeoDecoderBackend,
-  data,
+    data,
-  parity,
+    parity,
-  recovered: var openArray[seq[byte]]): Result[void, cstring] =
+    recovered: var openArray[seq[byte]]
+): Result[void, cstring] =
+  ## Decode data using given Leopard backend
 
-  var decoder = if self.decoder.isNone:
+  var decoder =
+    if self.decoder.isNone:
       self.decoder = (? LeoDecoder.init(
         self.blockSize,
         self.buffers,
@@ -65,22 +70,28 @@ method release*(self: LeoDecoderBackend) =
   if self.decoder.isSome:
     self.decoder.get().free()
 
-func new*(
+proc new*(
-  T: type LeoEncoderBackend,
+    T: type LeoEncoderBackend,
-  blockSize,
+    blockSize,
-  buffers,
+    buffers,
-  parity: int): T =
+    parity: int
-  T(
+): LeoEncoderBackend =
+  ## Create an instance of an Leopard Encoder backend
+  ## 
+  LeoEncoderBackend(
     blockSize: blockSize,
     buffers: buffers,
     parity: parity)
 
-func new*(
+proc new*(
-  T: type LeoDecoderBackend,
+    T: type LeoDecoderBackend,
-  blockSize,
+    blockSize,
-  buffers,
+    buffers,
-  parity: int): T =
+    parity: int
-  T(
+): LeoDecoderBackend =
+  ## Create an instance of an Leopard Decoder backend
+  ## 
+  LeoDecoderBackend(
     blockSize: blockSize,
     buffers: buffers,
     parity: parity)

codex/erasure/erasure.nim

@@ -63,10 +63,11 @@ type
     store*: BlockStore
 
 proc encode*(
-  self: Erasure,
+    self: Erasure,
-  manifest: Manifest,
+    manifest: Manifest,
-  blocks: int,
+    blocks: int,
-  parity: int): Future[?!Manifest] {.async.} =
+    parity: int
+): Future[?!Manifest] {.async.} =
   ## Encode a manifest into one that is erasure protected.
   ##
   ## `manifest`   - the original manifest to be encoded
@@ -153,8 +154,9 @@ proc encode*(
   return encoded.success
 
 proc decode*(
-  self: Erasure,
+    self: Erasure,
-  encoded: Manifest): Future[?!Manifest] {.async.} =
+    encoded: Manifest
+): Future[?!Manifest] {.async.} =
   ## Decode a protected manifest into it's original
   ## manifest
   ##
@@ -265,10 +267,12 @@ proc stop*(self: Erasure) {.async.} =
   return
 
 proc new*(
-  T: type Erasure,
+    T: type Erasure,
-  store: BlockStore,
+    store: BlockStore,
-  encoderProvider: EncoderProvider,
+    encoderProvider: EncoderProvider,
-  decoderProvider: DecoderProvider): Erasure =
+    decoderProvider: DecoderProvider
+): Erasure =
+  ## Create a new Erasure instance for encoding and decoding manifests
 
   Erasure(
     store: store,

codex/errors.nim

@@ -14,8 +14,9 @@ type
   CodexResult*[T] = Result[T, ref CodexError]
 
 template mapFailure*(
-  exp: untyped,
+    exp: untyped,
-  exc: typed = type CodexError): untyped =
+    exc: typed = type CodexError
+): untyped =
   ## Convert `Result[T, E]` to `Result[E, ref CatchableError]`
   ##
 

codex/manifest/coders.nim

@@ -166,8 +166,9 @@ func decode*(_: DagPBCoder, data: openArray[byte]): ?!Manifest =
   self.success
 
 proc encode*(
-  self: Manifest,
+    self: Manifest,
-  encoder = ManifestContainers[$DagPBCodec]): ?!seq[byte] =
+    encoder = ManifestContainers[$DagPBCodec]
+): ?!seq[byte] =
   ## Encode a manifest using `encoder`
   ##
 
@@ -177,9 +178,10 @@ proc encode*(
   encoder.encode(self)
 
 func decode*(
-  _: type Manifest,
+    _: type Manifest,
-  data: openArray[byte],
+    data: openArray[byte],
-  decoder = ManifestContainers[$DagPBCodec]): ?!Manifest =
+    decoder = ManifestContainers[$DagPBCodec]
+): ?!Manifest =
   ## Decode a manifest using `decoder`
   ##
 

codex/manifest/manifest.nim

@@ -159,14 +159,15 @@ proc cid*(self: Manifest): ?!Cid =
 ############################################################
 
 proc new*(
-  T: type Manifest,
+    T: type Manifest,
-  blocks: openArray[Cid] = [],
+    blocks: openArray[Cid] = [],
-  protected = false,
+    protected = false,
-  version = CIDv1,
+    version = CIDv1,
-  hcodec = multiCodec("sha2-256"),
+    hcodec = multiCodec("sha2-256"),
-  codec = multiCodec("raw"),
+    codec = multiCodec("raw"),
-  blockSize = BlockSize): ?!T =
+    blockSize = BlockSize
-  ## Create a manifest using array of `Cid`s
+): ?!Manifest =
+  ## Create a manifest using an array of `Cid`s
   ##
 
   if hcodec notin EmptyDigests[version]:
@@ -182,9 +183,10 @@ proc new*(
     protected: protected).success
 
 proc new*(
-  T: type Manifest,
+    T: type Manifest,
-  manifest: Manifest,
+    manifest: Manifest,
-  ecK, ecM: int): ?!Manifest =
+    ecK, ecM: int
+): ?!Manifest =
   ## Create an erasure protected dataset from an
   ## un-protected one
   ##
@@ -223,5 +225,8 @@ proc new*(
 proc new*(
   T: type Manifest,
   data: openArray[byte],
-  decoder = ManifestContainers[$DagPBCodec]): ?!T =
+  decoder = ManifestContainers[$DagPBCodec]
+): ?!Manifest =
+  ## Create a manifest instance from given data
+  ## 
   Manifest.decode(data, decoder)

codex/node.nim

@@ -60,18 +60,23 @@ type
 
 proc findPeer*(
   node: CodexNodeRef,
-  peerId: PeerId): Future[?PeerRecord] {.async.} =
+  peerId: PeerId
+): Future[?PeerRecord] {.async.} =
+  ## Find peer using the discovery service from the given CodexNode
+  ## 
   return await node.discovery.findPeer(peerId)
 
 proc connect*(
-  node: CodexNodeRef,
+    node: CodexNodeRef,
-  peerId: PeerId,
+    peerId: PeerId,
-  addrs: seq[MultiAddress]): Future[void] =
+    addrs: seq[MultiAddress]
+): Future[void] =
   node.switch.connect(peerId, addrs)
 
 proc fetchManifest*(
-  node: CodexNodeRef,
+    node: CodexNodeRef,
-  cid: Cid): Future[?!Manifest] {.async.} =
+    cid: Cid
+): Future[?!Manifest] {.async.} =
   ## Fetch and decode a manifest block
   ##
 
@@ -93,10 +98,11 @@ proc fetchManifest*(
   return manifest.success
 
 proc fetchBatched*(
-  node: CodexNodeRef,
+    node: CodexNodeRef,
-  manifest: Manifest,
+    manifest: Manifest,
-  batchSize = FetchBatch,
+    batchSize = FetchBatch,
-  onBatch: BatchProc = nil): Future[?!void] {.async, gcsafe.} =
+    onBatch: BatchProc = nil
+): Future[?!void] {.async, gcsafe.} =
   ## Fetch manifest in batches of `batchSize`
   ##
 
@@ -122,8 +128,9 @@ proc fetchBatched*(
   return success()
 
 proc retrieve*(
-  node: CodexNodeRef,
+    node: CodexNodeRef,
-  cid: Cid): Future[?!LPStream] {.async.} =
+    cid: Cid
+): Future[?!LPStream] {.async.} =
   ## Retrieve by Cid a single block or an entire dataset described by manifest
   ##
 
@@ -175,9 +182,10 @@ proc retrieve*(
   return failure("Unable to retrieve Cid!")
 
 proc store*(
-  self: CodexNodeRef,
+    self: CodexNodeRef,
-  stream: LPStream,
+    stream: LPStream,
-  blockSize = BlockSize): Future[?!Cid] {.async.} =
+    blockSize = BlockSize
+): Future[?!Cid] {.async.} =
   ## Save stream contents as dataset with given blockSize
   ## to nodes's BlockStore, and return Cid of its manifest
   ##
@@ -238,15 +246,17 @@ proc store*(
 
   return manifest.cid.success
 
-proc requestStorage*(self: CodexNodeRef,
+proc requestStorage*(
-                     cid: Cid,
+    self: CodexNodeRef,
-                     duration: UInt256,
+    cid: Cid,
-                     proofProbability: UInt256,
+    duration: UInt256,
-                     nodes: uint,
+    proofProbability: UInt256,
-                     tolerance: uint,
+    nodes: uint,
-                     reward: UInt256,
+    tolerance: uint,
-                     collateral: UInt256,
+    reward: UInt256,
-                     expiry = UInt256.none): Future[?!PurchaseId] {.async.} =
+    collateral: UInt256,
+    expiry = UInt256.none
+): Future[?!PurchaseId] {.async.} =
   ## Initiate a request for storage sequence, this might
   ## be a multistep procedure.
   ##
@@ -311,14 +321,17 @@ proc requestStorage*(self: CodexNodeRef,
   return success purchase.id
 
 proc new*(
-  T: type CodexNodeRef,
+    T: type CodexNodeRef,
-  switch: Switch,
+    switch: Switch,
-  store: BlockStore,
+    store: BlockStore,
-  engine: BlockExcEngine,
+    engine: BlockExcEngine,
-  erasure: Erasure,
+    erasure: Erasure,
-  discovery: Discovery,
+    discovery: Discovery,
-  contracts = Contracts.default): T =
+    contracts = Contracts.default
-  T(
+): CodexNodeRef =
+  ## Create new instance of a Codex node, call `start` to run it
+  ## 
+  CodexNodeRef(
     switch: switch,
     blockStore: store,
     engine: engine,

codex/purchasing.nim

@@ -47,7 +47,8 @@ proc stop*(purchasing: Purchasing) {.async.} =
   discard
 
 proc populate*(purchasing: Purchasing,
-               request: StorageRequest): Future[StorageRequest] {.async.} =
+               request: StorageRequest
+              ): Future[StorageRequest] {.async.} =
   result = request
   if result.ask.proofProbability == 0.u256:
     result.ask.proofProbability = purchasing.proofProbability
@@ -60,7 +61,8 @@ proc populate*(purchasing: Purchasing,
   result.client = await purchasing.market.getSigner()
 
 proc purchase*(purchasing: Purchasing,
-               request: StorageRequest): Future[Purchase] {.async.} =
+               request: StorageRequest
+              ): Future[Purchase] {.async.} =
   let request = await purchasing.populate(request)
   let purchase = Purchase.new(request, purchasing.market, purchasing.clock)
   purchase.start()

codex/purchasing/purchase.nim

@@ -24,10 +24,14 @@ export Purchase
 export purchaseid
 export statemachine
 
-func new*(_: type Purchase,
+func new*(
-          requestId: RequestId,
+    _: type Purchase,
-          market: Market,
+    requestId: RequestId,
-          clock: Clock): Purchase =
+    market: Market,
+    clock: Clock
+): Purchase =
+  ## create a new instance of a Purchase
+  ## 
   Purchase(
     future: Future[void].new(),
     requestId: requestId,
@@ -35,10 +39,13 @@ func new*(_: type Purchase,
     clock: clock
   )
 
-func new*(_: type Purchase,
+func new*(
-          request: StorageRequest,
+    _: type Purchase,
-          market: Market,
+    request: StorageRequest,
-          clock: Clock): Purchase =
+    market: Market,
+    clock: Clock
+): Purchase =
+  ## Create a new purchase using the given market and clock
   let purchase = Purchase.new(request.id, market, clock)
   purchase.request = some request
   return purchase

codex/rest/json.nim

@@ -18,7 +18,10 @@ type
     nodes*: ?uint
     tolerance*: ?uint
 
-proc fromJson*(_: type Availability, bytes: seq[byte]): ?!Availability =
+proc fromJson*(
+    _: type Availability,
+    bytes: seq[byte]
+): ?!Availability =
   let json = ?catch parseJson(string.fromBytes(bytes))
   let size = ?catch UInt256.fromDecimal(json["size"].getStr)
   let duration = ?catch UInt256.fromDecimal(json["duration"].getStr)
@@ -26,8 +29,10 @@ proc fromJson*(_: type Availability, bytes: seq[byte]): ?!Availability =
   let maxCollateral = ?catch UInt256.fromDecimal(json["maxCollateral"].getStr)
   success Availability.init(size, duration, minPrice, maxCollateral)
 
-proc fromJson*(_: type StorageRequestParams,
+proc fromJson*(
-               bytes: seq[byte]): ?! StorageRequestParams =
+    _: type StorageRequestParams,
+    bytes: seq[byte]
+): ?! StorageRequestParams =
   let json = ?catch parseJson(string.fromBytes(bytes))
   let duration = ?catch UInt256.fromDecimal(json["duration"].getStr)
   let proofProbability = ?catch UInt256.fromDecimal(json["proofProbability"].getStr)

codex/sales/reservations.nim

@@ -58,9 +58,8 @@ const
   SalesKey = (CodexMetaKey / "sales").tryGet # TODO: move to sales module
   ReservationsKey = (SalesKey / "reservations").tryGet
 
-proc new*(
+proc new*(T: type Reservations,
-  T: type Reservations,
+          repo: RepoStore): Reservations =
-  repo: RepoStore): Reservations =
 
   T(repo: repo)
 

codex/storageproofs/por/por.nim

@@ -321,10 +321,11 @@ proc generateQuery*(tau: Tau, l: int): seq[QElement] =
     result.add(q)
 
 proc generateProof*(
-  stream: SeekableStream,
+    stream: SeekableStream,
-  q: seq[QElement],
+    q: seq[QElement],
-  authenticators: seq[blst_p1],
+    authenticators: seq[blst_p1],
-  s: int64): Future[Proof] {.async.} =
+    s: int64
+): Future[Proof] {.async.} =
   ## Generata BLS proofs for a given query
   ##
 
@@ -432,11 +433,12 @@ proc verifyProof*(
   return verifyPairings(sum, self.spk.key, sigma, g)
 
 proc init*(
-  T: type PoR,
+    T: type PoR,
-  stream: SeekableStream,
+    stream: SeekableStream,
-  ssk: SecretKey,
+    ssk: SecretKey,
-  spk: PublicKey,
+    spk: PublicKey,
-  blockSize: int64): Future[PoR] {.async.} =
+    blockSize: int64
+): Future[PoR] {.async.} =
   ## Set up the POR scheme by generating tags and metadata
   ##
 

codex/storageproofs/storageproofs.nim

@@ -32,10 +32,11 @@ type
     stpStore*: StpStore
 
 proc upload*(
-  self: StorageProofs,
+    self: StorageProofs,
-  cid: Cid,
+    cid: Cid,
-  indexes: seq[int],
+    indexes: seq[int],
-  host: ca.Address): Future[?!void] {.async.} =
+    host: ca.Address
+): Future[?!void] {.async.} =
   ## Upload authenticators
   ##
 
@@ -56,8 +57,9 @@ proc upload*(
 #   discard
 
 proc setupProofs*(
-  self: StorageProofs,
+    self: StorageProofs,
-  manifest: Manifest): Future[?!void] {.async.} =
+    manifest: Manifest
+): Future[?!void] {.async.} =
   ## Setup storage authentication
   ##
 
@@ -75,10 +77,11 @@ proc setupProofs*(
   return await self.stpStore.store(por.toMessage(), cid)
 
 proc init*(
-  T: type StorageProofs,
+    T: type StorageProofs,
-  network: StpNetwork,
+    network: StpNetwork,
-  store: BlockStore,
+    store: BlockStore,
-  stpStore: StpStore): StorageProofs =
+    stpStore: StpStore
+): StorageProofs =
 
   var
     self = T(

codex/storageproofs/stpnetwork.nim

@@ -36,11 +36,12 @@ type
     tagsHandle*: TagsHandler
 
 proc uploadTags*(
-  self: StpNetwork,
+    self: StpNetwork,
-  cid: Cid,
+    cid: Cid,
-  indexes: seq[int],
+    indexes: seq[int],
-  tags: seq[seq[byte]],
+    tags: seq[seq[byte]],
-  host: ca.Address): Future[?!void] {.async.} =
+    host: ca.Address
+): Future[?!void] {.async.} =
   # Upload tags to `host`
   #
 
@@ -93,7 +94,9 @@ method init*(self: StpNetwork) =
 proc new*(
   T: type StpNetwork,
   switch: Switch,
-  discovery: Discovery): StpNetwork =
+  discovery: Discovery
+): StpNetwork =
+  ## create a new StpNetwork instance
   let
     self = StpNetwork(
       switch: switch,

codex/storageproofs/stpstore.nim

@@ -33,7 +33,8 @@ template stpPath*(self: StpStore, cid: Cid): string =
 
 proc retrieve*(
   self: StpStore,
-  cid: Cid): Future[?!PorMessage] {.async.} =
+  cid: Cid
+): Future[?!PorMessage] {.async.} =
   ## Retrieve authenticators from data store
   ##
 
@@ -51,7 +52,8 @@ proc retrieve*(
 proc store*(
   self: StpStore,
   por: PorMessage,
-  cid: Cid): Future[?!void] {.async.} =
+  cid: Cid
+): Future[?!void] {.async.} =
   ## Persist storage proofs
   ##
 
@@ -74,9 +76,10 @@ proc store*(
   return success()
 
 proc retrieve*(
-  self: StpStore,
+    self: StpStore,
-  cid: Cid,
+    cid: Cid,
-  blocks: seq[int]): Future[?!seq[Tag]] {.async.} =
+    blocks: seq[int]
+): Future[?!seq[Tag]] {.async.} =
   var tags: seq[Tag]
   for b in blocks:
     var tag = Tag(idx: b)
@@ -92,9 +95,10 @@ proc retrieve*(
   return tags.success
 
 proc store*(
-  self: StpStore,
+    self: StpStore,
-  tags: seq[Tag],
+    tags: seq[Tag],
-  cid: Cid): Future[?!void] {.async.} =
+    cid: Cid
+): Future[?!void] {.async.} =
   let
     dir = self.stpPath(cid)
 
@@ -117,7 +121,10 @@ proc store*(
 proc init*(
   T: type StpStore,
   authDir: string,
-  postfixLen: int = 2): StpStore =
+  postfixLen: int = 2
-  T(
+): StpStore =
+  ## Init StpStore
+  ## 
+  StpStore(
     authDir: authDir,
     postfixLen: postfixLen)

codex/stores/blockstore.nim

@@ -45,9 +45,10 @@ method getBlock*(self: BlockStore, cid: Cid): Future[?!Block] {.base.} =
   raiseAssert("Not implemented!")
 
 method putBlock*(
-  self: BlockStore,
+    self: BlockStore,
-  blk: Block,
+    blk: Block,
-  ttl = Duration.none): Future[?!void] {.base.} =
+    ttl = Duration.none
+): Future[?!void] {.base.} =
   ## Put a block to the blockstore
   ##
 

codex/stores/cachestore.nim

@@ -79,8 +79,9 @@ func cids(self: CacheStore): (iterator: Cid {.gcsafe.}) =
       yield cid
 
 method listBlocks*(
-  self: CacheStore,
+    self: CacheStore,
-  blockType = BlockType.Manifest): Future[?!BlocksIter] {.async.} =
+    blockType = BlockType.Manifest
+): Future[?!BlocksIter] {.async.} =
   ## Get the list of blocks in the BlockStore. This is an intensive operation
   ##
 
@@ -193,7 +194,11 @@ func new*(
     blocks: openArray[Block] = [],
     cacheSize: Positive = DefaultCacheSize, # in bytes
     chunkSize: Positive = DefaultChunkSize  # in bytes
-  ): CacheStore {.raises: [Defect, ValueError].} =
+): CacheStore {.raises: [Defect, ValueError].} =
+  ## Create a new CacheStore instance
+  ## 
+  ## `cacheSize` and `chunkSize` are both in bytes
+  ## 
 
   if cacheSize < chunkSize:
     raise newException(ValueError, "cacheSize cannot be less than chunkSize")

codex/stores/maintenance.nim

@@ -33,14 +33,19 @@ type
     numberOfBlocksPerInterval: int
     offset: int
 
-proc new*(T: type BlockMaintainer,
+proc new*(
+    T: type BlockMaintainer,
     repoStore: RepoStore,
     interval: Duration,
     numberOfBlocksPerInterval = 100,
     timer = Timer.new(),
     clock: Clock = SystemClock.new()
-    ): T =
+): BlockMaintainer =
-  T(
+  ## Create new BlockMaintainer instance
+  ## 
+  ## Call `start` to begin looking for for expired blocks
+  ## 
+  BlockMaintainer(
     repoStore: repoStore,
     interval: interval,
     numberOfBlocksPerInterval: numberOfBlocksPerInterval,

codex/stores/networkstore.nim

@@ -47,9 +47,10 @@ method getBlock*(self: NetworkStore, cid: Cid): Future[?!bt.Block] {.async.} =
   return success blk
 
 method putBlock*(
-  self: NetworkStore,
+    self: NetworkStore,
-  blk: bt.Block,
+    blk: bt.Block,
-  ttl = Duration.none): Future[?!void] {.async.} =
+    ttl = Duration.none
+): Future[?!void] {.async.} =
   ## Store block locally and notify the network
   ##
 
@@ -88,11 +89,10 @@ method close*(self: NetworkStore): Future[void] {.async.} =
 proc new*(
   T: type NetworkStore,
   engine: BlockExcEngine,
-  localStore: BlockStore): T =
+  localStore: BlockStore
-
+): NetworkStore =
-  let
+  ## Create new instance of a NetworkStore 
-    self = NetworkStore(
+  ## 
+  NetworkStore(
       localStore: localStore,
       engine: engine)
-
-  return self

codex/stores/repostore.nim

@@ -92,7 +92,13 @@ proc getBlockExpirationTimestamp(self: RepoStore, ttl: ?Duration): SecondsSince1
   let duration = ttl |? self.blockTtl
   self.clock.now() + duration.seconds
 
-proc getBlockExpirationEntry(self: RepoStore, batch: var seq[BatchEntry], cid: Cid, ttl: ?Duration): ?!BatchEntry =
+proc getBlockExpirationEntry(
+    self: RepoStore,
+    batch: var seq[BatchEntry],
+    cid: Cid,
+    ttl: ?Duration
+): ?!BatchEntry =
+  ## Get an expiration entry for a batch
   without key =? createBlockExpirationMetadataKey(cid), err:
     return failure(err)
 
@@ -100,9 +106,10 @@ proc getBlockExpirationEntry(self: RepoStore, batch: var seq[BatchEntry], cid: C
   return success((key, value))
 
 method putBlock*(
-  self: RepoStore,
+    self: RepoStore,
-  blk: Block,
+    blk: Block,
-  ttl = Duration.none): Future[?!void] {.async.} =
+    ttl = Duration.none
+): Future[?!void] {.async.} =
   ## Put a block to the blockstore
   ##
 
@@ -201,8 +208,9 @@ method hasBlock*(self: RepoStore, cid: Cid): Future[?!bool] {.async.} =
   return await self.repoDs.has(key)
 
 method listBlocks*(
-  self: RepoStore,
+    self: RepoStore,
-  blockType = BlockType.Manifest): Future[?!BlocksIter] {.async.} =
+    blockType = BlockType.Manifest
+): Future[?!BlocksIter] {.async.} =
   ## Get the list of blocks in the RepoStore.
   ## This is an intensive operation
   ##
@@ -237,7 +245,13 @@ proc createBlockExpirationQuery(maxNumber: int, offset: int): ?!Query =
   let queryKey = ? createBlockExpirationMetadataQueryKey()
   success Query.init(queryKey, offset = offset, limit = maxNumber)
 
-method getBlockExpirations*(self: RepoStore, maxNumber: int, offset: int): Future[?!BlockExpirationIter] {.async, base.} =
+method getBlockExpirations*(
+    self: RepoStore,
+    maxNumber: int,
+    offset: int
+): Future[?!BlockExpirationIter] {.async, base.} =
+  ## Get block experiartions from the given RepoStore
+  ## 
   without query =? createBlockExpirationQuery(maxNumber, offset), err:
     trace "Unable to format block expirations query"
     return failure(err)
@@ -388,14 +402,17 @@ proc stop*(self: RepoStore): Future[void] {.async.} =
   self.started = false
 
 func new*(
-  T: type RepoStore,
+    T: type RepoStore,
-  repoDs: Datastore,
+    repoDs: Datastore,
-  metaDs: Datastore,
+    metaDs: Datastore,
-  clock: Clock = SystemClock.new(),
+    clock: Clock = SystemClock.new(),
-  postFixLen = 2,
+    postFixLen = 2,
-  quotaMaxBytes = DefaultQuotaBytes,
+    quotaMaxBytes = DefaultQuotaBytes,
-  blockTtl = DefaultBlockTtl): T =
+    blockTtl = DefaultBlockTtl
-  T(
+): RepoStore =
+  ## Create new instance of a RepoStore 
+  ## 
+  RepoStore(
     repoDs: repoDs,
     metaDs: metaDs,
     clock: clock,

codex/streams/asyncstreamwrapper.nim

@@ -32,9 +32,12 @@ method initStream*(self: AsyncStreamWrapper) =
   procCall LPStream(self).initStream()
 
 proc new*(
-  C: type AsyncStreamWrapper,
+    C: type AsyncStreamWrapper,
-  reader: AsyncStreamReader = nil,
+    reader: AsyncStreamReader = nil,
-  writer: AsyncStreamWriter = nil): AsyncStreamWrapper =
+    writer: AsyncStreamWriter = nil
+): AsyncStreamWrapper =
+  ## Create new instance of an asynchronous stream wrapper
+  ## 
   let
     stream = C(reader: reader, writer: writer)
 
@@ -57,9 +60,10 @@ template withExceptions(body: untyped) =
     raise newException(LPStreamError, exc.msg)
 
 method readOnce*(
-  self: AsyncStreamWrapper,
+    self: AsyncStreamWrapper,
-  pbytes: pointer,
+    pbytes: pointer,
-  nbytes: int): Future[int] {.async.} =
+    nbytes: int
+): Future[int] {.async.} =
 
   trace "Reading bytes from reader", bytes = nbytes
   if isNil(self.reader):
@@ -75,7 +79,8 @@ method readOnce*(
 proc completeWrite(
     self: AsyncStreamWrapper,
     fut: Future[void],
-    msgLen: int): Future[void] {.async.} =
+    msgLen: int
+): Future[void] {.async.} =
 
   withExceptions:
     await fut

codex/streams/storestream.nim

@@ -38,12 +38,14 @@ type
     pad*: bool                  # Pad last block to manifest.blockSize?
 
 proc new*(
-  T: type StoreStream,
+    T: type StoreStream,
-  store: BlockStore,
+    store: BlockStore,
-  manifest: Manifest,
+    manifest: Manifest,
-  pad = true): T =
+    pad = true
-
+): StoreStream =
-  result = T(
+  ## Create a new StoreStream instance for a given store and manifest
+  ## 
+  result = StoreStream(
     store: store,
     manifest: manifest,
     pad: pad,
@@ -62,12 +64,14 @@ method atEof*(self: StoreStream): bool =
   self.offset >= self.size
 
 method readOnce*(
-  self: StoreStream,
+    self: StoreStream,
-  pbytes: pointer,
+    pbytes: pointer,
-  nbytes: int): Future[int] {.async.} =
+    nbytes: int
+): Future[int] {.async.} =
   ## Read `nbytes` from current position in the StoreStream into output buffer pointed by `pbytes`.
   ## Return how many bytes were actually read before EOF was encountered.
   ## Raise exception if we are already at EOF.
+  ## 
 
   trace "Reading from manifest", cid = self.manifest.cid.get(), blocks = self.manifest.len
   if self.atEof:

codex/utils/addrutils.nim

@@ -17,9 +17,10 @@ import pkg/libp2p
 import pkg/stew/shims/net
 
 func remapAddr*(
-  address: MultiAddress,
+    address: MultiAddress,
-  ip: Option[ValidIpAddress] = ValidIpAddress.none,
+    ip: Option[ValidIpAddress] = ValidIpAddress.none,
-  port: Option[Port] = Port.none): MultiAddress =
+    port: Option[Port] = Port.none
+): MultiAddress =
   ## Remap addresses to new IP and/or Port
   ##
 

codex/utils/asyncheapqueue.nim

@@ -34,8 +34,9 @@ type
     Empty, Full
 
 proc newAsyncHeapQueue*[T](
-  maxsize: int = 0,
+    maxsize: int = 0,
-  queueType: QueueType = QueueType.Min): AsyncHeapQueue[T] =
+    queueType: QueueType = QueueType.Min
+): AsyncHeapQueue[T] =
   ## Creates a new asynchronous queue ``AsyncHeapQueue``.
   ##
 

codex/utils/timer.nim

@@ -22,10 +22,9 @@ type
     name: string
     loopFuture: Future[void]
 
-proc new*(T: type Timer, timerName = "Unnamed Timer"): T =
+proc new*(T: type Timer, timerName = "Unnamed Timer"): Timer =
-  T(
+  ## Create a new Timer intance with the given name
-    name: timerName
+  Timer(name: timerName)
-  )
 
 proc timerLoop(timer: Timer) {.async.} =
   try:

codex/validation.nim

@@ -22,10 +22,13 @@ type
 logScope:
   topics = "codex validator"
 
-proc new*(_: type Validation,
+proc new*(
-          clock: Clock,
+    _: type Validation,
-          market: Market,
+    clock: Clock,
-          maxSlots: int): Validation =
+    market: Market,
+    maxSlots: int
+): Validation =
+  ## Create a new Validation instance
   Validation(clock: clock, market: market, maxSlots: maxSlots)
 
 proc slots*(validation: Validation): seq[SlotId] =

tests/codex/helpers.nim

@@ -31,9 +31,10 @@ proc lenPrefix*(msg: openArray[byte]): seq[byte] =
   return buf
 
 proc corruptBlocks*(
-  store: BlockStore,
+    store: BlockStore,
-  manifest: Manifest,
+    manifest: Manifest,
-  blks, bytes: int): Future[seq[int]] {.async.} =
+    blks, bytes: int
+): Future[seq[int]] {.async.} =
   var pos: seq[int]
 
   doAssert blks < manifest.len

tests/codex/helpers/mockclock.nim

@@ -12,8 +12,11 @@ type
     until: SecondsSince1970
     future: Future[void]
 
-func new*(_: type MockClock,
+func new*(
-          time: SecondsSince1970 = getTime().toUnix): MockClock =
+    _: type MockClock,
+    time: SecondsSince1970 = getTime().toUnix
+): MockClock =
+  ## Create a mock clock instance
   MockClock(time: time)
 
 proc set*(clock: MockClock, time: SecondsSince1970) =

tests/codex/helpers/mockdiscovery.nim

@@ -24,17 +24,21 @@ type
     publishHostProvideHandler*: proc(d: MockDiscovery, host: ca.Address):
       Future[void] {.gcsafe.}
 
-proc new*(T: type MockDiscovery): T =
+proc new*(T: type MockDiscovery): MockDiscovery =
-  T()
+  MockDiscovery()
 
 proc findPeer*(
-  d: Discovery,
+    d: Discovery,
-  peerId: PeerId): Future[?PeerRecord] {.async.} =
+    peerId: PeerId
+): Future[?PeerRecord] {.async.} =
+  ## mock find a peer - always return none
+  ## 
   return none(PeerRecord)
 
 method find*(
-  d: MockDiscovery,
+    d: MockDiscovery,
-  cid: Cid): Future[seq[SignedPeerRecord]] {.async.} =
+    cid: Cid
+): Future[seq[SignedPeerRecord]] {.async.} =
   if isNil(d.findBlockProvidersHandler):
     return
 
@@ -47,8 +51,9 @@ method provide*(d: MockDiscovery, cid: Cid): Future[void] {.async.} =
   await d.publishBlockProvideHandler(d, cid)
 
 method find*(
-  d: MockDiscovery,
+    d: MockDiscovery,
-  host: ca.Address): Future[seq[SignedPeerRecord]] {.async.} =
+    host: ca.Address
+): Future[seq[SignedPeerRecord]] {.async.} =
   if isNil(d.findHostProvidersHandler):
     return
 

tests/codex/helpers/mockmarket.nim

@@ -82,6 +82,8 @@ proc hash*(requestId: RequestId): Hash =
   hash(requestId.toArray)
 
 proc new*(_: type MockMarket): MockMarket =
+  ## Create a new mocked Market instance
+  ## 
   let config = MarketplaceConfig(
     collateral: CollateralConfig(
       repairRewardPercentage: 10,
@@ -136,7 +138,7 @@ method getActiveSlot*(
   return none Slot
 
 method requestState*(market: MockMarket,
-                 requestId: RequestId): Future[?RequestState] {.async.} =
+                     requestId: RequestId): Future[?RequestState] {.async.} =
   return market.requestState.?[requestId]
 
 method slotState*(market: MockMarket,
@@ -320,9 +322,9 @@ method subscribeSlotFreed*(market: MockMarket,
   return subscription
 
 method subscribeRequestCancelled*(market: MockMarket,
-                            requestId: RequestId,
+                                  requestId: RequestId,
-                            callback: OnRequestCancelled):
+                                  callback: OnRequestCancelled):
-                           Future[Subscription] {.async.} =
+                                 Future[Subscription] {.async.} =
   let subscription = RequestCancelledSubscription(
     market: market,
     requestId: requestId,

tests/codex/helpers/mocktimer.nim

@@ -18,13 +18,18 @@ type
     mockInterval*: Duration
     mockCallback: timer.TimerCallback
 
-proc new*(T: type MockTimer): T =
+proc new*(T: type MockTimer): MockTimer =
-  T(
+  ## Create a mocked Timer instance
+  MockTimer(
     startCalled: 0,
     stopCalled: 0
   )
 
-method start*(mockTimer: MockTimer, callback: timer.TimerCallback, interval: Duration) =
+method start*(
+    mockTimer: MockTimer,
+    callback: timer.TimerCallback,
+    interval: Duration
+) =
   mockTimer.mockCallback = callback
   mockTimer.mockInterval = interval
   inc mockTimer.startCalled

tests/codex/helpers/nodeutils.nim

@@ -24,8 +24,9 @@ type
     networkStore: NetworkStore]
 
 proc generateNodes*(
-  num: Natural,
+    num: Natural,
-  blocks: openArray[bt.Block] = []): seq[NodesComponents] =
+    blocks: openArray[bt.Block] = []
+): seq[NodesComponents] =
   for i in 0..<num:
     let
       switch = newStandardSwitch(transportFlags = {ServerFlags.ReuseAddr})

tests/codex/helpers/randomchunker.nim

@@ -11,13 +11,13 @@ type
   RandomChunker* = Chunker
 
 proc new*(
-  T: type RandomChunker,
+    T: type RandomChunker,
-  rng: Rng,
+    rng: Rng,
-  chunkSize = DefaultChunkSize,
+    chunkSize = DefaultChunkSize,
-  size: int,
+    size: int,
-  pad = false): T =
+    pad = false
-  ## create a chunker that produces
+): RandomChunker =
-  ## random data
+  ## Create a chunker that produces random data
   ##
 
   var consumed = 0

tests/codex/stores/commonstoretests.nim

@@ -18,11 +18,10 @@ type
   Before* = proc(): Future[void] {.gcsafe.}
   After* = proc(): Future[void] {.gcsafe.}
 
-proc commonBlockStoreTests*(
+proc commonBlockStoreTests*(name: string,
-  name: string,
+                            provider: StoreProvider,
-  provider: StoreProvider,
+                            before: Before = nil,
-  before: Before = nil,
+                            after: After = nil) =
-  after: After = nil) =
 
   suite name & " Store Common":
     var

tests/integration/codexclient.nim

@@ -26,13 +26,17 @@ proc upload*(client: CodexClient, contents: string): string =
   assert response.status == "200 OK"
   response.body
 
-proc requestStorage*(client: CodexClient,
+proc requestStorage*(
-                     cid: string,
+    client: CodexClient,
-                     duration: uint64,
+    cid: string,
-                     reward: uint64,
+    duration: uint64,
-                     proofProbability: uint64,
+    reward: uint64,
-                     expiry: UInt256,
+    proofProbability: uint64,
-                     collateral: uint64): string =
+    expiry: UInt256,
+    collateral: uint64
+): string =
+  ## Call request storage REST endpoint
+  ## 
   let url = client.baseurl & "/storage/request/" & cid
   let json = %*{
     "duration": $duration,
@@ -55,8 +59,13 @@ proc getSlots*(client: CodexClient): JsonNode =
   let body = client.http.getContent(url)
   parseJson(body).catch |? nil
 
-proc postAvailability*(client: CodexClient,
+proc postAvailability*(
-                       size, duration, minPrice: uint64, maxCollateral: uint64): JsonNode =
+    client: CodexClient,
+    size, duration, minPrice: uint64,
+    maxCollateral: uint64
+): JsonNode =
+  ## Post sales availability endpoint
+  ## 
   let url = client.baseurl & "/sales/availability"
   let json = %*{
     "size": $size,
@@ -69,6 +78,7 @@ proc postAvailability*(client: CodexClient,
   parseJson(response.body)
 
 proc getAvailabilities*(client: CodexClient): JsonNode =
+  ## Call sales availability REST endpoint
   let url = client.baseurl & "/sales/availability"
   let body = client.http.getContent(url)
   parseJson(body)