adding codex multicodex

Author: dryajov

libp2p/cid.nim

@@ -31,7 +31,7 @@ type
     data*: VBuffer
 
 const
-  ContentIdsList = [
+  ContentIdsList* = [
     multiCodec("raw"),
     multiCodec("dag-pb"),
     multiCodec("dag-cbor"),
@@ -58,15 +58,18 @@ const
     multiCodec("dash-tx"),
     multiCodec("torrent-info"),
     multiCodec("torrent-file"),
-    multiCodec("ed25519-pub")
+    multiCodec("ed25519-pub"),
+    multiCodec("codex-manifest"),
+    multiCodec("codex-block"),
+    multiCodec("codex-root")
   ]
 
 proc initCidCodeTable(): Table[int, MultiCodec] {.compileTime.} =
   for item in ContentIdsList:
     result[int(item)] = item
 
 const
-  CodeContentIds = initCidCodeTable()
+  CodeContentIds* = initCidCodeTable()
 
 template orError*(exp: untyped, err: untyped): untyped =
   (exp.mapErr do (_: auto) -> auto: err)

libp2p/multicodec.nim

@@ -176,7 +176,9 @@ const MultiCodecList = [
   ("skein1024-992", 0xB3DC), ("skein1024-1000", 0xB3DD),
   ("skein1024-1008", 0xB3DE), ("skein1024-1016", 0xB3DF),
   ("skein1024-1024", 0xB3E0),
-  ("poseidon2-alt_bn_128-a2-cdx1", 0xCD0001),
+  # poseidon2
+  ("poseidon2-alt_bn_128-sponge-r2", 0xCD10),  # bn128 rate 2 sponge
+  ("poseidon2-alt_bn_128-mekle-2kb", 0xCD11),  # bn128 2kb compress & merkleize
   # multiaddrs
   ("ip4", 0x04),
   ("ip6", 0x29),
@@ -234,7 +236,10 @@ const MultiCodecList = [
   ("dash-tx", 0xF1),
   ("torrent-info", 0x7B),
   ("torrent-file", 0x7C),
-  ("ed25519-pub", 0xED)
+  ("ed25519-pub", 0xED),
+  ("codex-manifest", 0xCD01),
+  ("codex-block", 0xCD02),
+  ("codex-root", 0xCD03),
 ]
 
 type