bn: toString(16,2) for JSON

indutny · Nov 29, 2017 · a46d2e2 · a46d2e2
1 parent c69b4ae
commit a46d2e2
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Showing 2 changed files with 6 additions and 2 deletions.
diff --git a/lib/bn.js b/lib/bn.js
@@ -509,7 +509,7 @@
  };
 
  BN.prototype.toJSON = function toJSON () {
- return this.toString(16);
+ return this.toString(16, 2);
  };
 
  BN.prototype.toBuffer = function toBuffer (endian, length) {

diff --git a/test/utils-test.js b/test/utils-test.js
@@ -188,7 +188,11 @@ describe('BN.js/Utils', function () {
 
  describe('.toJSON', function () {
  it('should return hex string', function () {
- assert.equal(new BN(0x123).toJSON(), '123');
+ assert.equal(new BN(0x123).toJSON(), '0123');
+ });
+
+ it('should be padded to multiple of 2 bytes for interop', function () {
+ assert.equal(new BN(0x1).toJSON(), '01');
  });
  });