Update dev dependencies

.gitignore

@@ -1,4 +1,5 @@
 coverage/
 node_modules/
+
 npm-debug.log
-1.js
+package-lock.json

.travis.yml

@@ -1,10 +1,13 @@
 sudo: false
 language: node_js
+cache:
+  yarn: true
+  directories:
+    - node_modules
 node_js:
-  - "lts/*"
   - "8"
   - "10"
-  - "node"
+  - "12"
 env:
   matrix:
     - TEST_SUITE=unit

benchmarks/index.js

@@ -1,9 +1,14 @@
- /* eslint-disable new-cap, no-new */
+/* eslint-disable new-cap, no-new */
 
 var benchmark = require('benchmark');
 var crypto = require('crypto');
 var bn = require('../');
-var bignum = require('bignum');
+var bignum;
+try {
+  bignum = require('bignum');
+} catch (err) {
+  console.log('Load bignum error: ' + err.message.split('\n')[0]);
+}
 var sjcl = require('eccjs').sjcl.bn;
 var bigi = require('bigi');
 var BigInteger = require('js-big-integer').BigInteger;
@@ -31,6 +36,10 @@ function add (op, obj) {
       console.log('Benchmarking: ' + op);
 
       Object.keys(obj).forEach(function (name) {
+        if (name === 'bignum' && bignum === undefined) {
+          return;
+        }
+
         if (!selfOnly || name === 'bn.js') {
           var testFn = obj[name];
           suite.add(name + '#' + op, function () {
@@ -99,10 +108,12 @@ while (fixtures.length < 25) {
   fixture.b1j = new bn(bj, 16);
 
   // bignum
-  fixture.a2 = new bignum(a, 16);
-  fixture.b2 = new bignum(b, 16);
-  fixture.a2j = new bignum(aj, 16);
-  fixture.b2j = new bignum(bj, 16);
+  if (bignum) {
+    fixture.a2 = new bignum(a, 16);
+    fixture.b2 = new bignum(b, 16);
+    fixture.a2j = new bignum(aj, 16);
+    fixture.b2j = new bignum(bj, 16);
+  }
 
   // bigi
   fixture.a4 = new bigi(a, 16);
@@ -131,13 +142,15 @@ while (fixtures.length < 25) {
 
   //
   fixture.as1 = fixture.a1.mul(fixture.a1).iaddn(0x2adbeef);
-  fixture.as2 = fixture.a2.mul(fixture.a2).add(0x2adbeef);
+  if (bignum) {
+    fixture.as2 = fixture.a2.mul(fixture.a2).add(0x2adbeef);
+  }
   fixture.as4 = fixture.a4.multiply(fixture.a4).add(bigi.valueOf(0x2adbeef));
   // fixture.as5 = fixture.a5.mul(fixture.a5).add(0x2adbeef);
   fixture.as6 = fixture.a6.multiply(fixture.a6).add(
-      new BigInteger('2adbeef', 16));
+    new BigInteger('2adbeef', 16));
   fixture.as8 = fixture.a8.multiply(fixture.a8).add(
-      SilentMattBigInteger.parse('2adbeef', 16));
+    SilentMattBigInteger.parse('2adbeef', 16));
 
   fixture.am1 = fixture.a1.toRed(bn.red('k256'));
   fixture.am5 = new sjcl.prime.p256k(fixture.a5);
@@ -152,13 +165,13 @@ add('create-10', {
   'bn.js': function (fixture) {
     new bn(fixture.a10base, 10);
   },
-  'bignum': function (fixture) {
+  bignum: function (fixture) {
     new bignum(fixture.a10base, 10);
   },
-  'bigi': function (fixture) {
+  bigi: function (fixture) {
     new bigi(fixture.a10base, 10);
   },
-  'yaffle': function (fixture) {
+  yaffle: function (fixture) {
     new BigInteger(fixture.a10base, 10);
   },
   'silentmatt-biginteger': function (fixture) {
@@ -170,16 +183,16 @@ add('create-hex', {
   'bn.js': function (fixture) {
     new bn(fixture.a16base, 16);
   },
-  'bignum': function (fixture) {
+  bignum: function (fixture) {
     new bignum(fixture.a16base, 16);
   },
-  'bigi': function (fixture) {
+  bigi: function (fixture) {
     new bigi(fixture.a16base, 16);
   },
-  'sjcl': function (fixture) {
+  sjcl: function (fixture) {
     new sjcl(fixture.a16base);
   },
-  'yaffle': function (fixture) {
+  yaffle: function (fixture) {
     new BigInteger(fixture.a16base, 16);
   },
   'silentmatt-biginteger': function (fixture) {
@@ -191,13 +204,13 @@ add('toString-10', {
   'bn.js': function (fixture) {
     fixture.a1.toString(10);
   },
-  'bignum': function (fixture) {
+  bignum: function (fixture) {
     fixture.a2.toString(10);
   },
-  'bigi': function (fixture) {
+  bigi: function (fixture) {
     fixture.a4.toString(10);
   },
-  'yaffle': function (fixture) {
+  yaffle: function (fixture) {
     fixture.a6.toString(10);
   },
   'silentmatt-biginteger': function (fixture) {
@@ -209,16 +222,16 @@ add('toString-hex', {
   'bn.js': function (fixture) {
     fixture.a1.toString(16);
   },
-  'bignum': function (fixture) {
+  bignum: function (fixture) {
     fixture.a2.toString(16);
   },
-  'bigi': function (fixture) {
+  bigi: function (fixture) {
     fixture.a4.toString(16);
   },
-  'sjcl': function (fixture) {
+  sjcl: function (fixture) {
     fixture.a5.toString(16);
   },
-  'yaffle': function (fixture) {
+  yaffle: function (fixture) {
     fixture.a6.toString(16);
   },
   'silentmatt-biginteger': function (fixture) {
@@ -230,16 +243,16 @@ add('add', {
   'bn.js': function (fixture) {
     fixture.a1.add(fixture.b1);
   },
-  'bignum': function (fixture) {
+  bignum: function (fixture) {
     fixture.a2.add(fixture.b2);
   },
-  'bigi': function (fixture) {
+  bigi: function (fixture) {
     fixture.a4.add(fixture.b4);
   },
-  'sjcl': function (fixture) {
+  sjcl: function (fixture) {
     fixture.a5.add(fixture.b5);
   },
-  'yaffle': function (fixture) {
+  yaffle: function (fixture) {
     fixture.a6.add(fixture.b6);
   },
   'silentmatt-biginteger': function (fixture) {
@@ -251,16 +264,16 @@ add('sub', {
   'bn.js': function (fixture) {
     fixture.b1.sub(fixture.a1);
   },
-  'bignum': function (fixture) {
+  bignum: function (fixture) {
     fixture.b2.sub(fixture.a2);
   },
-  'bigi': function (fixture) {
+  bigi: function (fixture) {
     fixture.b4.subtract(fixture.a4);
   },
-  'sjcl': function (fixture) {
+  sjcl: function (fixture) {
     fixture.b5.sub(fixture.a5);
   },
-  'yaffle': function (fixture) {
+  yaffle: function (fixture) {
     fixture.b6.subtract(fixture.a6);
   },
   'silentmatt-biginteger': function (fixture) {
@@ -275,16 +288,16 @@ add('mul', {
   'bn.js[FFT]': function (fixture) {
     fixture.a1.mulf(fixture.b1);
   },
-  'bignum': function (fixture) {
+  bignum: function (fixture) {
     fixture.a2.mul(fixture.b2);
   },
-  'bigi': function (fixture) {
+  bigi: function (fixture) {
     fixture.a4.multiply(fixture.b4);
   },
-  'sjcl': function (fixture) {
+  sjcl: function (fixture) {
     fixture.a5.mul(fixture.b5);
   },
-  'yaffle': function (fixture) {
+  yaffle: function (fixture) {
     fixture.a6.multiply(fixture.b6);
   },
   'silentmatt-biginteger': function (fixture) {
@@ -299,16 +312,16 @@ add('mul-jumbo', {
   'bn.js[FFT]': function (fixture) {
     fixture.a1j.mulf(fixture.b1j);
   },
-  'bignum': function (fixture) {
+  bignum: function (fixture) {
     fixture.a2j.mul(fixture.b2j);
   },
-  'bigi': function (fixture) {
+  bigi: function (fixture) {
     fixture.a4j.multiply(fixture.b4j);
   },
-  'sjcl': function (fixture) {
+  sjcl: function (fixture) {
     fixture.a5j.mul(fixture.b5j);
   },
-  'yaffle': function (fixture) {
+  yaffle: function (fixture) {
     fixture.a6j.multiply(fixture.b6j);
   },
   'silentmatt-biginteger': function (fixture) {
@@ -320,16 +333,16 @@ add('sqr', {
   'bn.js': function (fixture) {
     fixture.a1.mul(fixture.a1);
   },
-  'bignum': function (fixture) {
+  bignum: function (fixture) {
     fixture.a2.mul(fixture.a2);
   },
-  'bigi': function (fixture) {
+  bigi: function (fixture) {
     fixture.a4.square();
   },
-  'sjcl': function (fixture) {
+  sjcl: function (fixture) {
     fixture.a5.mul(fixture.a5);
   },
-  'yaffle': function (fixture) {
+  yaffle: function (fixture) {
     fixture.a6.multiply(fixture.a6);
   },
   'silentmatt-biginteger': function (fixture) {
@@ -341,13 +354,13 @@ add('div', {
   'bn.js': function (fixture) {
     fixture.as1.div(fixture.a1);
   },
-  'bignum': function (fixture) {
+  bignum: function (fixture) {
     fixture.as2.div(fixture.a2);
   },
-  'bigi': function (fixture) {
+  bigi: function (fixture) {
     fixture.as4.divide(fixture.a4);
   },
-  'yaffle': function (fixture) {
+  yaffle: function (fixture) {
     fixture.as6.divide(fixture.a6);
   },
   'silentmatt-biginteger': function (fixture) {
@@ -359,13 +372,13 @@ add('mod', {
   'bn.js': function (fixture) {
     fixture.as1.mod(fixture.a1);
   },
-  'bignum': function (fixture) {
+  bignum: function (fixture) {
     fixture.as2.mod(fixture.a2);
   },
-  'bigi': function (fixture) {
+  bigi: function (fixture) {
     fixture.as4.mod(fixture.a4);
   },
-  'yaffle': function (fixture) {
+  yaffle: function (fixture) {
     var remainder = fixture.as6.remainder(fixture.a6);
     return remainder.compareTo(BigInteger.ZERO) < 0
       ? remainder.add(fixture.a6)
@@ -383,14 +396,17 @@ add('mul-mod k256', {
   'bn.js': function (fixture) {
     fixture.am1.redSqr();
   },
-  'sjcl': function (fixture) {
+  sjcl: function (fixture) {
     fixture.am5.square().fullReduce();
   }
 });
 
-var prime1 = new bignum(
-  'fffffffffffffffffffffffffffffffffffffffffffffffffffffffefffffc2f',
-  16);
+var prime1;
+if (bignum) {
+  prime1 = new bignum(
+    'fffffffffffffffffffffffffffffffffffffffffffffffffffffffefffffc2f',
+    16);
+}
 // var prime4 = new bigi(
 //   'fffffffffffffffffffffffffffffffffffffffffffffffffffffffefffffc2f',
 //   16);
@@ -401,7 +417,7 @@ add('pow k256', {
   'bn.js': function (fixture) {
     fixture.am1.redPow(fixture.pow1);
   },
-  'bignum': function (fixture) {
+  bignum: function (fixture) {
     fixture.a2.powm(fixture.a2, prime1);
   }
 });
@@ -410,7 +426,7 @@ add('invm k256', {
   'bn.js': function (fixture) {
     fixture.am1.redInvm();
   },
-  'sjcl': function (fixture) {
+  sjcl: function (fixture) {
     fixture.am5.inverseMod(prime5);
   }
 });
@@ -419,7 +435,7 @@ add('gcd', {
   'bn.js': function (fixture) {
     fixture.a1.gcd(fixture.b1);
   },
-  'bigi': function (fixture) {
+  bigi: function (fixture) {
     fixture.a4.gcd(fixture.b4);
   }
 });

benchmarks/package.json

@@ -12,9 +12,11 @@
     "benchmark": "^1.0.0",
     "bigi": "*",
     "biginteger": "*",
-    "bignum": "^0.11.0",
     "eccjs": "^0.3.1",
-    "js-big-integer": "*",
+    "js-big-integer": "1.0.2",
     "xorshift.js": "^1.0.0"
+  },
+  "optionalDependencies": {
+    "bignum": "^0.13.0"
   }
 }