Pool-Update: RX/0

Adds the RX/0 code to the system to handle the change over

Author: Alexander Blair

lib/coins/xmr.js

@@ -148,6 +148,11 @@ function Coin(data){
         this.clientNonceLocation = this.reserveOffset + 12;
         // The clientPoolLocation is for multi-thread/multi-server pools to handle the nonce for each of their tiers.
         this.clientPoolLocation = this.reserveOffset + 8;
+        if (template.seed_hash) {
+            this.seedHash = Buffer.from(template.seed_hash, 'hex');
+        } else {
+            this.seedHash = Buffer.from('00', 'hex');
+        }
         this.nextBlob = function () {
             // Write a 32 bit integer, big-endian style to the 0 byte of the reserve offset.
             this.buffer.writeUInt32BE(++this.extraNonce, this.reserveOffset);

lib/pool.js

@@ -492,6 +492,7 @@ function Miner(id, login, pass, ipAddress, startingDiff, messageSender, protoVer
                     difficulty: this.difficulty,
                     diffHex: this.diffHex,
                     submissions: [],
+                    seed_hash: activeBlockTemplate.seedHash ? activeBlockTemplate.seedHash.toString('hex') : null,
                     blockHash: activeBlockTemplate.idHash
                 };
 
@@ -501,6 +502,7 @@ function Miner(id, login, pass, ipAddress, startingDiff, messageSender, protoVer
                     job_id: newJob.id,
                     target: target,
                     id: this.id,
+                    seed_hash: activeBlockTemplate.seedHash ? activeBlockTemplate.seedHash.toString('hex') : null,
                     height: newJob.height
                 };
             } else {
@@ -519,6 +521,7 @@ function Miner(id, login, pass, ipAddress, startingDiff, messageSender, protoVer
                     diffHex: this.diffHex,
                     clientPoolLocation: activeBlockTemplate.clientPoolLocation,
                     clientNonceLocation: activeBlockTemplate.clientNonceLocation,
+                    seed_hash: activeBlockTemplate.seedHash ? activeBlockTemplate.seedHash.toString('hex') : null,
                     submissions: []
                 };
                 this.validJobs.enq(newJob);
@@ -531,6 +534,7 @@ function Miner(id, login, pass, ipAddress, startingDiff, messageSender, protoVer
                     client_pool_offset: activeBlockTemplate.clientPoolLocation,
                     target_diff: this.difficulty,
                     target_diff_hex: this.diffHex,
+                    seed_hash: activeBlockTemplate.seedHash ? activeBlockTemplate.seedHash.toString('hex') : null,
                     job_id: newJob.id,
                     id: this.id
                 };
@@ -622,8 +626,13 @@ function processShare(miner, job, blockTemplate, params, sendReply) {
     }
     else {
         convertedBlob = global.coinFuncs.convertBlob(shareBuffer);
-        hash = multiHashing.cryptonight(convertedBlob, convertedBlob[0] >= 10 ? 13 : 8, job.height);
-        shareType = false;
+        if (blockTemplate.seedHash && blockTemplate.seedHash.length == 32) {
+            hash = multiHashing.randomx(convertedBlob, blockTemplate.seedHash, 0);
+            shareType = false;
+        } else {
+            hash = multiHashing.cryptonight(convertedBlob, convertedBlob[0] >= 10 ? 13 : 8, job.height);
+            shareType = false;
+        }
     }
     if (hash.toString('hex') !== resultHash) {
         if (job.height >= 1546000 && coinFuncs.isxmr) {

package.json

@@ -43,7 +43,7 @@
   },
   "optionalDependencies": {
     "cryptonote-util": "git://github.com/Snipa22/node-cryptonote-util.git#xmr-Nan-2.0",
-    "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",
     "multi-hashing": "git+https://github.com/Snipa22/node-multi-hashing-aesni.git#v0.1"
   }
 }