@guildofweavers/merkle - npm Package Compare versions

Comparing version 0.3.4 to 0.3.5

lib/hash/JsHash.js

@@ -6,2 +6,3 @@ "use strict";
 const crypto = require("crypto");
+const JsVector_1 = require("../vectors/JsVector");
 // MODULE VARIABLES
@@ -84,4 +85,18 @@ // ================================================================================================
     }
+    mergeVectorRows(vectors) {
+        const elementCount = vectors[0].length;
+        const elementSize = vectors[0].elementSize;
+        const result = new Array(elementCount);
+        const buffer = Buffer.allocUnsafe(vectors.length * elementSize);
+        for (let i = 0; i < elementCount; i++) {
+            let offset = 0;
+            for (let j = 0; j < vectors.length; j++) {
+                offset += vectors[j].copyValue(i, buffer, offset);
+            }
+            result[i] = this.digest(buffer);
+        }
+        return new JsVector_1.JsVector(result);
+    }
 }
 exports.JsHash = JsHash;
 //# sourceMappingURL=JsHash.js.map

lib/hash/WasmBlake2s.js

 "use strict";
 Object.defineProperty(exports, "__esModule", { value: true });
 const assembly_1 = require("../assembly");
+const WasmVector_1 = require("../vectors/WasmVector");
 // MODULE VARIABLES
@@ -101,4 +102,42 @@ // ================================================================================================
     }
+    mergeVectorRows(vectors) {
+        const elementCount = vectors[0].length;
+        const elementSize = vectors[0].elementSize;
+        if (elementSize > 64) {
+            throw new Error(`Cannot merge vector rows: vector element size must be smaller than 64 bytes`);
+        }
+        else if (64 % elementSize !== 0) {
+            throw new Error(`Cannot merge vector rows: vector element size must be a divisor of 64`);
+        }
+        const vRefs = this.wasm.newArray(vectors.length * 8);
+        const vIdx = vRefs >>> 3;
+        const refsToRelease = new Set();
+        // build array of references to vectors
+        let vRef;
+        for (let i = 0; i < vectors.length; i++) {
+            let buffer = vectors[i].toBuffer();
+            if (buffer.buffer === this.wasm.U8.buffer) {
+                // if the vector is already in WASM memory, just cache the reference to it
+                vRef = buffer.byteOffset;
+            }
+            else {
+                // otherwise, copy the vector into WASM memory
+                vRef = this.wasm.newArray(buffer.byteLength);
+                this.wasm.U8.set(vectors[i].toBuffer(), vRef);
+                refsToRelease.add(vRef);
+            }
+            this.wasm.U64[vIdx + i] = BigInt(vRef);
+        }
+        const resRef = this.wasm.newArray(elementCount * this.digestSize);
+        this.wasm.mergeArrayElements(vRefs, resRef, vectors.length, elementCount, elementSize);
+        // release all memory that was used up during the operation
+        this.wasm.__release(vRefs);
+        for (let vRef of refsToRelease) {
+            this.wasm.__release(vRef);
+        }
+        // build and return a vector with hashes
+        return new WasmVector_1.WasmVector(this.wasm.memory, resRef, elementCount, this.digestSize);
+    }
 }
 exports.WasmBlake2s = WasmBlake2s;
 //# sourceMappingURL=WasmBlake2s.js.map

lib/MerkleTree.js

 "use strict";
 Object.defineProperty(exports, "__esModule", { value: true });
-const JsVector_1 = require("./JsVector");
+const JsVector_1 = require("./vectors/JsVector");
 // CLASS DEFINITION
@@ -5,0 +5,0 @@ // ================================================================================================

merkle.d.ts

@@ -37,2 +37,4 @@ declare module '@guildofweavers/merkle' {
         buildMerkleNodes(depth: number, leaves: Vector): ArrayBuffer;
+
+        mergeVectorRows(vectors: Vector[]): Vector;
     }
@@ -113,4 +115,5 @@
 
+        copyValue(index: number, destination: Buffer, offset: number): number;
         toBuffer(startIdx?: number, elementCount?: number): Buffer;
     }
 }

package.json

 {
   "name": "@guildofweavers/merkle",
-  "version": "0.3.4",
+  "version": "0.3.5",
   "description": "Merkle tree and other data structures",
@@ -5,0 +5,0 @@ "main": "index.js",

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Improved metrics

Total package byte prevSize

45930

increased by10.28%

Number of package files

12

increased by9.09%

Lines of code

745

increased by14.26%

No dependency changes