chore: orc support (#110)

Support ORC memory model (https://github.com/logos-storage/logos-storage-nim-dht/issues/109)

Signed-off-by: Chrysostomos Nanakos <chris@include.gr>

codexdht.nimble

@@ -1,6 +1,6 @@
 # Package
 
-version       = "0.5.0"
+version       = "0.6.0"
 author        = "Status Research & Development GmbH"
 description   = "DHT based on Eth discv5 implementation"
 license       = "MIT"

codexdht/private/eth/p2p/discoveryv5/routing_table.nim

@@ -524,10 +524,16 @@ proc len*(r: RoutingTable): int =
 proc moveRight[T](arr: var openArray[T], a, b: int) =
   ## In `arr` move elements in range [a, b] right by 1.
   var t: T
+  when declared(shallowCopy):
     shallowCopy(t, arr[b + 1])
     for i in countdown(b, a):
       shallowCopy(arr[i + 1], arr[i])
     shallowCopy(arr[a], t)
+  else:
+    t = move arr[b + 1]
+    for i in countdown(b, a):
+      arr[i + 1] = move arr[i]
+    arr[a] = move t
 
 proc setJustSeen*(r: RoutingTable, n: Node, seen = true) =
   ## If seen, move `n` to the head (most recently seen) of its bucket.

config.nims

@@ -4,6 +4,3 @@ switch("define", "libp2p_pki_schemes=secp256k1")
 when withDir(thisDir(), system.fileExists("nimble.paths")):
   include "nimble.paths"
 # end Nimble config
-
-when (NimMajor, NimMinor) >= (2, 0):
-  --mm:refc