chore(release): 0.2.0-develop.42 [skip ci]

# [0.2.0-develop.42](https://git.lumeweb.com/LumeWeb/libweb/compare/v0.2.0-develop.41...v0.2.0-develop.42) (2023-09-04)

### Bug Fixes

* update encodeCid overloads and return types ([7dc8067](7dc8067e95))

### Features

* add encodeRegistryCid, encodeRegistryValue, decodeRegistryValue, decodeRegistryCid ([7ce52cb](7ce52cbff7))

CHANGELOG.md

@@ -1,3 +1,15 @@
+# [0.2.0-develop.42](https://git.lumeweb.com/LumeWeb/libweb/compare/v0.2.0-develop.41...v0.2.0-develop.42) (2023-09-04)
+
+
+### Bug Fixes
+
+* update encodeCid overloads and return types ([7dc8067](https://git.lumeweb.com/LumeWeb/libweb/commit/7dc8067e958bb62efe856cdb234ac0010b6d2896))
+
+
+### Features
+
+* add encodeRegistryCid, encodeRegistryValue, decodeRegistryValue, decodeRegistryCid ([7ce52cb](https://git.lumeweb.com/LumeWeb/libweb/commit/7ce52cbff7e622a9046e6a36d4e664d211043e1e))
+
 # [0.2.0-develop.41](https://git.lumeweb.com/LumeWeb/libweb/compare/v0.2.0-develop.40...v0.2.0-develop.41) (2023-09-03)
 
 # [0.2.0-develop.40](https://git.lumeweb.com/LumeWeb/libweb/compare/v0.2.0-develop.39...v0.2.0-develop.40) (2023-09-03)

npm-shrinkwrap.json

@@ -1,12 +1,12 @@
 {
     "name": "@lumeweb/libweb",
-    "version": "0.2.0-develop.41",
+    "version": "0.2.0-develop.42",
     "lockfileVersion": 3,
     "requires": true,
     "packages": {
         "": {
             "name": "@lumeweb/libweb",
-            "version": "0.2.0-develop.41",
+            "version": "0.2.0-develop.42",
             "dependencies": {
                 "@lumeweb/community-portals": "^0.1.0-develop.6",
                 "@lumeweb/libportal": "0.2.0-develop.23",

package.json

@@ -1,6 +1,6 @@
 {
     "name": "@lumeweb/libweb",
-    "version": "0.2.0-develop.41",
+    "version": "0.2.0-develop.42",
     "main": "lib/index.js",
     "type": "module",
     "repository": {

src/cid.ts

@@ -1,27 +1,42 @@
 import { ErrTuple } from "#types.js";
+import type { CID } from "@lumeweb/libportal";
 import {
   decodeCid as decodeCidPortal,
   encodeCid as encodeCidPortal,
 } from "@lumeweb/libportal";
 import { addContextToErr } from "#err.js";
-import type { CID } from "@lumeweb/libportal";
+import { CID_HASH_TYPES, CID_TYPES, REGISTRY_TYPES } from "@lumeweb/libs5";
+import { concatBytes } from "@noble/hashes/utils";
 
-export function encodeCid(hash: Uint8Array, size: bigint): ErrTuple<string>;
-export function encodeCid(hash: string, size: bigint): ErrTuple<string>;
+export function encodeCid(
+  hash: Uint8Array,
+  size: bigint,
+  type?: number,
+  hashType?: number,
+  raw?: boolean,
+): ErrTuple<string | Uint8Array>;
+export function encodeCid(
+  hash: string,
+  size: bigint,
+  type?: number,
+  hashType?: number,
+  raw?: boolean,
+): ErrTuple<string | Uint8Array>;
 export function encodeCid(
   hash: any,
   size: bigint,
   type?: number,
   hashType?: number,
-): ErrTuple<CID> {
+  raw: boolean = false,
+): ErrTuple<string | Uint8Array> {
   try {
-    return [encodeCidPortal(hash, size, type, hashType), null];
+    return [encodeCidPortal(hash, size, type, hashType, raw), null];
   } catch (e) {
-    return [null, addContextToErr(e as Error, "failed to encode cid")];
+    return ["", addContextToErr(e as Error, "failed to encode cid")];
   }
 }
 
-export function decodeCid(cid: string): ErrTuple<CID> {
+export function decodeCid(cid: string | Uint8Array): ErrTuple<CID> {
   try {
     return [decodeCidPortal(cid), null];
   } catch (e) {
@@ -38,4 +53,83 @@ export function verifyCid(cid: string): boolean {
   }
 }
 
+export function encodeRegistryCid(
+  hash: Uint8Array,
+  size?: bigint,
+  type?: number,
+  hashType?: number,
+  raw?: boolean,
+): ErrTuple<string | Uint8Array>;
+export function encodeRegistryCid(
+  hash: string,
+  size?: bigint,
+  type?: number,
+  hashType?: number,
+  raw?: boolean,
+): ErrTuple<string | Uint8Array>;
+export function encodeRegistryCid(
+  hash: any,
+  size = BigInt(0),
+  type = CID_TYPES.RESOLVER,
+  hashType = CID_HASH_TYPES.ED25519,
+  raw: boolean = false,
+): ErrTuple<string | Uint8Array> {
+  return encodeCid(hash, size, type, hashType, raw);
+}
+
+export function encodeRegistryValue(
+  cid: CID | string,
+  type: number = REGISTRY_TYPES.CID,
+  hashType = CID_HASH_TYPES.BLAKE3,
+): ErrTuple<Uint8Array> {
+  if (typeof cid === "string") {
+    let err;
+    [cid, err] = decodeCid(cid);
+
+    if (err) {
+      return [new Uint8Array(), err];
+    }
+  }
+
+  const [ret, err] = encodeCid(
+    cid.hash,
+    cid.size,
+    CID_TYPES.RESOLVER,
+    CID_HASH_TYPES.BLAKE3,
+    true,
+  );
+
+  if (err) {
+    return [new Uint8Array(), err];
+  }
+
+  return [
+    concatBytes(Uint8Array.from([REGISTRY_TYPES.CID]), ret as Uint8Array),
+    null,
+  ];
+}
+
+export function decodeRegistryValue(hash: Uint8Array): ErrTuple<CID> {
+  if (!Object.values(REGISTRY_TYPES).includes(hash[0])) {
+    return [null, "invalid registry type"];
+  }
+
+  hash = hash.slice(1);
+
+  return decodeCid(hash);
+}
+
+export function decodeRegistryCid(cid: string | Uint8Array): ErrTuple<CID> {
+  const [ret, err] = decodeCid(cid);
+  if (err) {
+    return [null, err];
+  }
+
+  if (ret.type !== CID_TYPES.RESOLVER) {
+    return [null, "not a valid registry cid"];
+  }
+
+  return [cid, null];
+}
+
 export type { CID } from "@lumeweb/libportal";