Hashing-Add: RandomX

Alexander Blair · Alexander Blair · commit 497651a731ab · 2019-11-23T14:58:11.000-08:00
Should complete support for RandomX
diff --git a/lib/xmr.js b/lib/xmr.js
@@ -55,6 +55,7 @@ function BlockTemplate(template) {
   this.previousHash = new Buffer(32);
   this.workerNonce = 0;
   this.solo = false;
+  this.seedHash = template.seed_hash;
   if (typeof (this.workerOffset) === 'undefined') {
     this.solo = true;
     global.instanceId.copy(this.buffer, this.reservedOffset + 4, 0, 3);
@@ -91,6 +92,7 @@ function MasterBlockTemplate(template) {
   this.workerNonce = 0;
   this.poolNonce = 0;
   this.solo = false;
+  this.seedHash = template.seed_hash;
   if (typeof (this.workerOffset) === 'undefined') {
     this.solo = true;
     global.instanceId.copy(this.buffer, this.reservedOffset + 4, 0, 3);
@@ -191,7 +193,11 @@ function processShare(miner, job, blockTemplate, nonce, resultHash) {
     // Validate share with CN hash, then if valid, blast it up to the master.
     let shareBuffer = cnUtil.construct_block_blob(template, new Buffer(nonce, 'hex'));
     let convertedBlob = cnUtil.convert_blob(shareBuffer);
-    hash = multiHashing.cryptonight(convertedBlob, convertedBlob[0] >= 10 ? 13 : 8, job.height);
+    if (blockTemplate.seedHash == null || blockTemplate.seedHash !== Buffer.from('00', 'hex')) {
+      hash = multiHashing.cryptonight(convertedBlob, convertedBlob[0] >= 10 ? 13 : 8, job.height);
+    } else {
+      hash = multiHashing.randomx(convertedBlob, blockTemplate.seedHash, 0);
+    }
     if (hash.toString("hex") !== resultHash) {
       if (multiHashing.cryptonight(convertedBlob, 0).toString("hex") === resultHash) {
         console.error(`${global.threadName} Invalid version of CN hashing algo (CN/0) used by miner ${miner.logString}`);
diff --git a/package.json b/package.json
@@ -38,6 +38,6 @@
   "optionalDependencies": {
     "cryptonote-util": "git://github.com/Snipa22/node-cryptonote-util.git#xmr-Nan-2.0",
     "multi-hashing": "git+https://github.com/Snipa22/node-multi-hashing-aesni.git#v0.1",
-    "cryptonight-hashing": "git+https://github.com/MoneroOcean/node-cryptonight-hashing.git#v8.0.0"
+    "cryptonight-hashing": "git+https://github.com/MoneroOcean/node-cryptonight-hashing.git#865a1f18e7dd5cf0513ae6becfdbeba3a10c9fb9"
   }
 }

Original file line number	Diff line number	Diff line change
`@@ -38,6 +38,6 @@`
`38`	`38`	`"optionalDependencies": {`
`39`	`39`	`"cryptonote-util": "git://github.com/Snipa22/node-cryptonote-util.git#xmr-Nan-2.0",`
`40`	`40`	`"multi-hashing": "git+https://github.com/Snipa22/node-multi-hashing-aesni.git#v0.1",`
`41`		`- "cryptonight-hashing": "git+https://github.com/MoneroOcean/node-cryptonight-hashing.git#v8.0.0"`
	`41`	`+ "cryptonight-hashing": "git+https://github.com/MoneroOcean/node-cryptonight-hashing.git#865a1f18e7dd5cf0513ae6becfdbeba3a10c9fb9"`
`42`	`42`	`}`
`43`	`43`	`}`