cleanup manifest

dagger/manifest/types.nim

@@ -0,0 +1,46 @@
+## Nim-Dagger
+## Copyright (c) 2022 Status Research & Development GmbH
+## Licensed under either of
+##  * Apache License, version 2.0, ([LICENSE-APACHE](LICENSE-APACHE))
+##  * MIT license ([LICENSE-MIT](LICENSE-MIT))
+## at your option.
+## This file may not be copied, modified, or distributed except according to
+## those terms.
+
+{.push raises: [Defect].}
+
+import pkg/libp2p
+import pkg/questionable
+
+template EmptyDigests*: untyped =
+  var
+    emptyDigests {.global, threadvar.}:
+      array[CIDv0..CIDv1, Table[MultiCodec, MultiHash]]
+
+  once:
+    emptyDigests = [
+      CIDv0: {
+        multiCodec("sha2-256"): Cid
+        .init("bafybeihdwdcefgh4dqkjv67uzcmw7ojee6xedzdetojuzjevtenxquvyku")
+        .get()
+        .mhash
+        .get()
+      }.toTable,
+      CIDv1: {
+        multiCodec("sha2-256"): Cid
+        .init("QmdfTbBqBPQ7VNxZEYEj14VmRuZBkqFbiwReogJgS1zR1n")
+        .get()
+        .mhash
+        .get()
+      }.toTable,
+    ]
+
+  emptyDigests
+
+type
+  Manifest* = object of RootObj
+    rootHash*: ?Cid
+    blocks*: seq[Cid]
+    version*: CidVersion
+    hcodec*: MultiCodec
+    codec*: MultiCodec