fix(sdk-coin-icp): enhance hash functions to support Uint8Array in Utils class

TICKET: WIN-5215

Author: mohd-kashif

modules/sdk-coin-icp/src/lib/transaction.ts

@@ -118,7 +118,7 @@ export class Transaction extends BaseTransaction {
           throw new Error('Invalid transaction type');
       }
     } catch (error) {
-      throw new InvalidTransactionError('Invalid raw transaction');
+      throw new InvalidTransactionError(`Invalid transaction type: ${error.message}`);
     }
   }
 

modules/sdk-coin-icp/src/lib/utils.ts

@@ -472,7 +472,7 @@ export class Utils implements BaseUtils {
   hashVal(val: string | Buffer | BigInt | number | Array<unknown>): Buffer {
     if (typeof val === 'string') {
       return utils.hashString(val);
-    } else if (Buffer.isBuffer(val)) {
+    } else if (Buffer.isBuffer(val) || val instanceof Uint8Array) {
       return utils.hashBytes(val);
     } else if (typeof val === 'bigint' || typeof val === 'number') {
       return utils.hashU64(BigInt(val));
@@ -489,7 +489,7 @@ export class Utils implements BaseUtils {
    * @param value - The buffer to hash.
    * @returns The SHA-256 hash of the input buffer.
    */
-  hashBytes(value: Buffer): Buffer {
+  hashBytes(value: Buffer | Uint8Array): Buffer {
     return this.sha256([value]);
   }
 
@@ -499,7 +499,7 @@ export class Utils implements BaseUtils {
    * @param {Array<Buffer>} chunks - An array of Buffer objects to be hashed.
    * @returns {Buffer} - The resulting SHA-256 hash as a Buffer.
    */
-  sha256(chunks: Array<Buffer>): Buffer {
+  sha256(chunks: Array<Buffer> | Array<Uint8Array>): Buffer {
     const hasher = js_sha256.sha256.create();
     chunks.forEach((chunk) => hasher.update(chunk));
     return Buffer.from(hasher.arrayBuffer());