fix/update equihash implementation

.gitignore

@@ -1 +1,2 @@
 node_modules
+proof.log

lib/plugin-eclipse.js

@@ -40,10 +40,11 @@ class EclipseIdentity extends EventEmitter {
     return new Promise((resolve, reject) => {
       utils.eqsolve(
         utils.hash256(this.pubkey),
-        constants.IDENTITY_DIFFICULTY
-      ).then(proof => {
-        this.nonce = proof.nonce;
-        this.proof = proof.value;
+        constants.IDENTITY_DIFFICULTY.n,
+        constants.IDENTITY_DIFFICULTY.k
+      ).then(solution => {
+        this.nonce = solution.nonce;
+        this.proof = solution.proof;
         this.fingerprint = utils.hash160(this.proof);
         resolve(this);
       }, reject);
@@ -55,12 +56,12 @@ class EclipseIdentity extends EventEmitter {
    * @returns {boolean}
    */
   validate() {
-    return utils.eqverify(utils.hash256(this.pubkey), {
-      n: constants.IDENTITY_DIFFICULTY.n,
-      k: constants.IDENTITY_DIFFICULTY.k,
-      nonce: this.nonce,
-      value: this.proof
-    });
+    return utils.eqverify(utils.hash256(this.pubkey),
+      this.proof,
+      this.nonce,
+      constants.IDENTITY_DIFFICULTY.n,
+      constants.IDENTITY_DIFFICULTY.k
+    );
   }
 
 }

lib/utils.js

@@ -13,7 +13,7 @@ const crypto = require('crypto');
 const assert = require('assert');
 const { randomBytes, createHash } = crypto;
 const ms = require('ms');
-//const equihash = require('equihash/lib/khovratovich'); // does not build on gcc-11 +
+const equihash = require('@tacticalchihuahua/equihash');
 
 
 /**
@@ -251,20 +251,15 @@ module.exports.hash256 = function(input) {
  * @param {buffer} input - Input hash to solve
  * @returns {Promise<EquihashProof>}
  */
-module.exports.eqsolve = function() {
-  return Promise.reject(new Error('Equihash implementation is not functional'));
-};
+module.exports.eqsolve = equihash.solve;
 
 /**
  * Perform an equihash proof verification
  * @param {buffer} input - Input hash for proof
  * @param {buffer} proof - Equihash proof to verify
  * @returns {boolean}
  */
-module.exports.eqverify = function(/*input, proof*/) {
-  throw new Error('Equihash implementation is not functional');
-  // return equihash.verify(input, proof);
-};
+module.exports.eqverify = equihash.verify;
 
 /**
  * Returns the RMD-160 hash of the input