fix: remove debug module

lib/crypto-util.js

@@ -6,7 +6,6 @@
  */
 import BN from 'bn.js';
 import { Buffer } from 'buffer';
-import Debug from 'debug';
 import keccak from 'keccak';
 import randombytes from 'randombytes';
 import varint from 'varint';
@@ -28,8 +27,6 @@ import {
   squareRoot,
 } from './helpers.js';
 
-const debug = Debug('monerolib:crypto-util');
-
 // TODO remove when jest.mockModule will be implemented
 // https://github.com/facebook/jest/issues/10025
 let randomBytes = randombytes;
@@ -106,7 +103,6 @@ export function checkScalar(scalar) {
     decodeScalar(scalar);
     return true;
   } catch (err) {
-    debug('checkScalar error: %s', err.message);
     return false;
   }
 }
@@ -132,7 +128,6 @@ export function checkKey(data) {
     decodePoint(data);
     return true;
   } catch (err) {
-    debug('checkKey error: %s', err.message);
     return false;
   }
 }
@@ -260,7 +255,6 @@ export function checkSignature(prefix, pub, sig) {
     c = decodeScalar(sig.slice(0, 32));
     r = decodeScalar(sig.slice(32, 64));
   } catch (err) {
-    debug('checkSignature error: %s', err.message);
     return false;
   }
   if (c.isZero()) {
@@ -356,12 +350,10 @@ export function hashToPoint(data) {
     } else {
       // x = x * fe_fffb1
       x = x.redMul(fffb1);
-      debug('hashToPoint case #1');
     }
   } else {
     // x = x * fe_fffb2
     x = x.redMul(fffb2);
-    debug('hashToPoint case #2');
   }
 
   let odd;
@@ -385,11 +377,9 @@ export function hashToPoint(data) {
         throw new TypeError('Invalid point');
       } else {
         x = x.redMul(fffb3);
-        debug('hashToPoint case #3');
       }
     } else {
       x = x.redMul(fffb4);
-      debug('hashToPoint case #4');
     }
   }
 
@@ -493,7 +483,6 @@ export function checkRingSignature(prefix, image, pubs, sig) {
   try {
     P = decodePoint(image);
   } catch (err) {
-    debug('checkRingSignature error: %s', err.message);
     return false;
   }
   const sum = new BN(0);
@@ -505,14 +494,12 @@ export function checkRingSignature(prefix, image, pubs, sig) {
       c = decodeScalar(sig.slice(0 + (i * 64), 32 + (i * 64)));
       r = decodeScalar(sig.slice(32 + (i * 64), 64 + (i * 64)));
     } catch (err) {
-      debug('checkRingSignature error: %s', err.message);
       return false;
     }
     let P1;
     try {
       P1 = decodePoint(pub);
     } catch (err) {
-      debug('checkRingSignature error: %s', err.message);
       return false;
     }
     const P2 = P1.mul(c).add(ec.g.mul(r));

package.json

@@ -23,7 +23,6 @@
     "base58-monero": "0.0.5",
     "bn.js": "^4.12.0",
     "buffer": "^6.0.3",
-    "debug": "^4.3.1",
     "elliptic": "^6.5.4",
     "keccak": "^3.0.1",
     "randombytes": "^2.1.0",