@chainsafe/ssz - npm Package Compare versions

Comparing version 0.15.1 to 0.16.0

CHANGELOG.md

@@ -6,2 +6,17 @@ # Change Log
 
+## [0.16.0](https://github.com/ChainSafe/ssz/compare/ssz-v0.15.1...ssz-v0.16.0) (2024-05-02)
+
+
+### Features
+
+* add `sliceFrom` to `ListCompositeTreeViewDU` ([#366](https://github.com/ChainSafe/ssz/issues/366)) ([b3fa4f1](https://github.com/ChainSafe/ssz/commit/b3fa4f1335e893f514afdf735b0da34b50b15b6f))
+
+
+### Dependencies
+
+* The following workspace dependencies were updated
+  * dependencies
+    * @chainsafe/as-sha256 bumped to 0.4.2
+    * @chainsafe/persistent-merkle-tree bumped to 0.7.2
+
 ## [0.15.1](https://github.com/ChainSafe/ssz/compare/ssz-v0.15.0...ssz-v0.15.1) (2024-03-15)
@@ -8,0 +23,0 @@

lib/value/bitArray.d.ts

@@ -51,9 +51,6 @@ /**
     /**
-     * Return the position of a single bit set. If no bit set or more than 1 bit set, throws.
+     * Return the position of a single bit set.
      * @returns
      *  - number: if there's a single bit set, the number it the single bit set position
      *  - null: if ERROR_MORE_THAN_ONE_BIT_SET or ERROR_NO_BIT_SET
-     * @throws
-     *  - ERROR_MORE_THAN_ONE_BIT_SET
-     *  - ERROR_NO_BIT_SET
      */
@@ -60,0 +57,0 @@ getSingleTrueBit(): number | null;

lib/value/bitArray.js

@@ -163,9 +163,6 @@ "use strict";
     /**
-     * Return the position of a single bit set. If no bit set or more than 1 bit set, throws.
+     * Return the position of a single bit set.
      * @returns
      *  - number: if there's a single bit set, the number it the single bit set position
      *  - null: if ERROR_MORE_THAN_ONE_BIT_SET or ERROR_NO_BIT_SET
-     * @throws
-     *  - ERROR_MORE_THAN_ONE_BIT_SET
-     *  - ERROR_NO_BIT_SET
      */
@@ -172,0 +169,0 @@ getSingleTrueBit() {

lib/viewDU/listComposite.d.ts

@@ -29,2 +29,14 @@ import { Node } from "@chainsafe/persistent-merkle-tree";
     /**
+     * Returns a new ListCompositeTreeViewDU instance with the values from `index` to the end of list
+     *
+     * ```ts
+     * const nodes = getChunkNodes()
+     * return listFromChunkNodes(node.slice(index))
+     * ```
+     *
+     * Note: If index === n, returns an empty list of length 0
+     *
+     */
+    sliceFrom(index: number): this;
+    /**
      * Same method to `type/listComposite.ts` leveraging cached nodes.
@@ -31,0 +43,0 @@ */

lib/viewDU/listComposite.js

@@ -57,2 +57,38 @@ "use strict";
     /**
+     * Returns a new ListCompositeTreeViewDU instance with the values from `index` to the end of list
+     *
+     * ```ts
+     * const nodes = getChunkNodes()
+     * return listFromChunkNodes(node.slice(index))
+     * ```
+     *
+     * Note: If index === n, returns an empty list of length 0
+     *
+     */
+    sliceFrom(index) {
+        // Commit before getting rootNode to ensure all pending data is in the rootNode
+        this.commit();
+        // If negative index, try to make it positive long as |index| < length
+        if (index < 0) {
+            index += this.nodes.length;
+        }
+        // If slicing from 0 or neg index, no slicing is necesary
+        if (index <= 0) {
+            return this;
+        }
+        let newChunksNode;
+        let newLength;
+        if (index >= this.nodes.length) {
+            newChunksNode = persistent_merkle_tree_1.zeroNode(this.type.chunkDepth);
+            newLength = 0;
+        }
+        else {
+            const nodes = this.nodes.slice(index);
+            newChunksNode = persistent_merkle_tree_1.subtreeFillToContents(nodes, this.type.chunkDepth);
+            newLength = nodes.length;
+        }
+        const newRootNode = this.type.tree_setChunksNode(this._rootNode, newChunksNode, newLength);
+        return this.type.getViewDU(newRootNode);
+    }
+    /**
      * Same method to `type/listComposite.ts` leveraging cached nodes.
@@ -59,0 +95,0 @@ */

package.json

@@ -7,3 +7,3 @@ {
   "homepage": "https://github.com/chainsafe/ssz",
-  "version": "0.15.1",
+  "version": "0.16.0",
   "main": "lib/index.js",
@@ -39,4 +39,4 @@ "files": [
   "dependencies": {
-    "@chainsafe/as-sha256": "^0.4.1",
-    "@chainsafe/persistent-merkle-tree": "^0.7.1"
+    "@chainsafe/as-sha256": "^0.4.2",
+    "@chainsafe/persistent-merkle-tree": "^0.7.2"
   },
@@ -43,0 +43,0 @@ "devDependencies": {

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Improved metrics

Total package byte prevSize

512181

increased by0.53%

Lines of code

7529

increased by0.56%

Dependency changes

• Updated@chainsafe/as-sha256@^0.4.2

• Updated@chainsafe/persistent-merkle-tree@^0.7.2