From 8b3d67688069784a5651a18f672e0b2ada74e3b7 Mon Sep 17 00:00:00 2001
From: Csaba Kiraly <csaba.kiraly@gmail.com>
Date: Thu, 15 Jun 2023 11:34:42 +0200
Subject: [PATCH] moving chronosim to separate repo

Signed-off-by: Csaba Kiraly <csaba.kiraly@gmail.com>
---
 .../private/eth/p2p/discoveryv5/chronosim.nim | 114 ------------------
 .../private/eth/p2p/discoveryv5/transport.nim |   2 +-
 2 files changed, 1 insertion(+), 115 deletions(-)
 delete mode 100644 libp2pdht/private/eth/p2p/discoveryv5/chronosim.nim

diff --git a/libp2pdht/private/eth/p2p/discoveryv5/chronosim.nim b/libp2pdht/private/eth/p2p/discoveryv5/chronosim.nim
deleted file mode 100644
index 01b8530..0000000
--- a/libp2pdht/private/eth/p2p/discoveryv5/chronosim.nim
+++ /dev/null
@@ -1,114 +0,0 @@
-# Copyright (c) 2023 Status Research & Development GmbH
-# Licensed and distributed under either of
-#   * MIT license (license terms in the root directory or at https://opensource.org/licenses/MIT).
-#   * Apache v2 license (license terms in the root directory or at https://www.apache.org/licenses/LICENSE-2.0).
-# at your option. This file may not be copied, modified, or distributed except according to those terms.
-
-# ChronoSim: simulation/emulation wrapper around Chronos
-
-import
-  std/[tables, deques, random],
-  chronos,
-  chronicles
-
-logScope:
-  topics = "ChronoSim"
-
-const
-  timeWarp = 1
-  emulateDatagram = true
-
-# chronos uses SomeIntegerI64. We shoudl be more specific here to override
-proc milliseconds*(v: int): Duration {.inline.} =
-  chronos.milliseconds(v * timeWarp)
-
-proc seconds*(v: int): Duration {.inline.} =
-  chronos.seconds(v * timeWarp)
-
-when(emulateDatagram): #enable network emulator
-  type
-    DatagramCallback* = proc(transp: DatagramTransport,
-                            remote: TransportAddress): Future[void] {.
-                        gcsafe, raises: [Defect].}
-
-    DatagramTransport* = ref object
-      udata*: pointer                 # User-driven pointer
-      local: TransportAddress         # Local address
-      callback: DatagramCallback      # Receive data callback
-      ingress: Deque[seq[byte]]
-      egress: Deque[(TransportAddress, seq[byte])]  # simple FIFO for now
-
-  var network = initTable[Port, DatagramTransport]()
-
-  proc `$`*(transp: DatagramTransport): string =
-    $transp.local
-
-  proc recvFrom[T](transp: DatagramTransport, remote: TransportAddress,
-              msg: sink seq[T], msglen = -1) =
-    trace "recv:",  src = remote, dst = transp.local
-    {.gcsafe.}:
-      transp.ingress.addLast(msg)
-      # call the callback on remote
-      asyncCheck transp.callback(transp, remote)
-
-  proc getLatency(src: TransportAddress, dst: TransportAddress) : Duration =
-    50.milliseconds
-
-  proc getLoss(src: TransportAddress, dst: TransportAddress) : float =
-    0.0
-  proc getLineTime(transp: DatagramTransport, msg: seq[byte]) : Duration =
-    # let bandwith = transp.bandwidth
-    let bandwidth = 100 # Bytes/ms = KB/sec
-    (msg.len div bandwidth).milliseconds
-
-  proc sendTo*[T](transp: DatagramTransport, remote: TransportAddress,
-              msg: sink seq[T], msglen = -1) {.async.} =
-    trace "send:", src = transp.local, dst = remote
-
-    #transp.egress.addLast(remote, msg)
-    #await sleepAsync(getLineTime(transp, msg))
-
-    if rand(1.0) < getLoss(transp.local, remote):
-      return
-
-    await sleepAsync(getLatency(transp.local, remote))
-    {.gcsafe.}:
-      network[remote.port].recvFrom(transp.local, msg)
-
-  proc getMessage*(t: DatagramTransport,): seq[byte] {.
-      raises: [Defect, CatchableError].} =
-    #echo "getMessage "
-    t.ingress.popFirst()
-
-  proc close*(transp: DatagramTransport) =
-    debug "close"
-
-  proc closed*(transp: DatagramTransport): bool {.inline.} =
-    result = false
-
-  proc closeWait*(transp: DatagramTransport) {.async.} =
-    debug "closeWait "
-
-  proc getUserData*[T](transp: DatagramTransport): T {.inline.} =
-    ## Obtain user data stored in ``transp`` object.
-    result = cast[T](transp.udata)
-
-  proc newDatagramTransport*[T](cbproc: DatagramCallback,
-                            udata: ref T,
-                            local: TransportAddress = AnyAddress,
-                            ): DatagramTransport {.
-      raises: [Defect, CatchableError].} =
-    debug "new"
-    result = DatagramTransport()
-    GC_ref(udata)
-    result.udata = cast[pointer](udata)
-    result.local = local
-    result.callback = cbproc
-    {.gcsafe.}:
-      network[local.port] = result
-
-export seconds, milliseconds
-export TransportAddress, initTAddress
-export async, sleepAsync, complete, await
-export Future, FutureBase, newFuture, futureContinue
-export TransportOsError
\ No newline at end of file
diff --git a/libp2pdht/private/eth/p2p/discoveryv5/transport.nim b/libp2pdht/private/eth/p2p/discoveryv5/transport.nim
index d58f8a1..d30d32e 100644
--- a/libp2pdht/private/eth/p2p/discoveryv5/transport.nim
+++ b/libp2pdht/private/eth/p2p/discoveryv5/transport.nim
@@ -8,7 +8,7 @@
 import
   std/[tables, options, deques],
   bearssl/rand,
-  chronosim,
+  chronos,
   chronicles,
   libp2p/crypto/crypto,
   stew/shims/net,