feat: Cell.fromHex

Author: krigga

src/boc/Cell.ts

@@ -34,7 +34,7 @@ export class Cell {
     }
 
     /**
-     * Helper class that deserializes a single cell from BOC in base64
+     * Helper function that deserializes a single cell from BOC in base64
      * @param src source string
      */
     static fromBase64(src: string): Cell {
@@ -45,6 +45,18 @@ export class Cell {
         return parsed[0];
     }
 
+    /**
+     * Helper function that deserializes a single cell from BOC in hex
+     * @param src source string
+     */
+    static fromHex(src: string): Cell {
+        let parsed = Cell.fromBoc(Buffer.from(src, 'hex'));
+        if (parsed.length !== 1) {
+            throw new Error("Deserialized more than one cell");
+        }
+        return parsed[0];
+    }
+
     // Public properties
     readonly type: CellType;
     readonly bits: BitString;

src/boc/cell/serialization.spec.ts

@@ -241,5 +241,10 @@ describe('boc', () => {
         expect(cell.toString()).toBe('x{000000E4}\n x{00000539}\n x{0000053A}');
         expect(serialized).toBe('b5ee9c7281010301001400080e140208000000e4010200080000053900080000053a');
     });
+
+    it('should deserialize cell from hex', () => {
+        let cell = Cell.fromHex('b5ee9c7241010201000d00010800000001010008000000027d4b3cf8');
+        expect(cell.toString()).toBe('x{00000001}\n x{00000002}');
+    });
 });