Fixed raven block processing

index.js

@@ -5,8 +5,8 @@ const bignum  = require('bignum');
 const bitcoin = require('bitcoinjs-lib');
 const varuint = require('varuint-bitcoin');
 const crypto  = require('crypto');
-const fastMerkleRoot = require('merkle-lib/fastRoot');
 const promise = require('promise');
+const merklebitcoin = promise.denodeify(require('merkle-bitcoin'));
 
 function scriptCompile(addrHash) {
   return bitcoin.script.compile([
@@ -42,11 +42,17 @@ function hash256(buffer) {
 };
 
 function getMerkleRoot(transactions) {
-  if (transactions.length === 0) return null;
-  const forWitness = txesHaveWitnessCommit(transactions);
-  const hashes = transactions.map(transaction => transaction.getHash(forWitness));
-  const rootHash = fastMerkleRoot(hashes, hash256);
-  return forWitness ? hash256(Buffer.concat([rootHash, transactions[0].ins[0].witness[0]])) : rootHash;
+  // error
+  if (transactions.length === 0) return new Buffer('0000000000000000000000000000000000000000000000000000000000000000', 'hex');
+  // coinbase tx only
+  const txhash0 = transactions[0].getHash();
+  if (transactions.length === 1) return txhash0;
+  // have other txs
+  let hashes = [ reverseBuffer(txhash0).toString('hex') ];
+  transactions.slice(1).forEach(function (value) {
+    hashes.push(value.hash);
+  });
+  return reverseBuffer(new Buffer(Object.values(merklebitcoin(hashes))[2].root, 'hex'));
 }
 
 let last_epoch_number;
@@ -84,14 +90,13 @@ module.exports.RavenBlockTemplate = function(rpcData, poolAddress) {
       txCoinbase.addOutput(new Buffer(rpcData.default_witness_commitment, 'hex'), 0);
     }
   }
-  const merkleRoot = new Buffer('DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD', 'hex'); // 32 bytes
 
   let header = new Buffer(80);
   { let position = 0;
     header.writeUInt32BE(rpcData.height, position, 4);                  // height         42-46
     header.write(rpcData.bits, position += 4, 4, 'hex');                // bits           47-50
     header.writeUInt32BE(rpcData.curtime, position += 4, 4, 'hex');     // nTime          51-54
-    header.write(merkleRoot, position += 4, 32, 'hex');                 // merkelRoot     55-87
+    header.write('DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD', position += 4, 32, 'hex');                 // merkelRoot     55-87
     header.write(rpcData.previousblockhash, position += 32, 32, 'hex'); // prevblockhash  88-120
     header.writeUInt32BE(rpcData.version, position += 32, 4);           // version        121-153
     header = reverseBuffer(header);
@@ -150,7 +155,7 @@ function update_merkle_root_hash(blob_in, blob_out) {
     transactions.push(tx);
     offset += tx.byteLength();
   }
-  reverseBuffer(getMerkleRoot(transactions)).copy(blob_out, 4 + 32);
+  getMerkleRoot(transactions).copy(blob_out, 4 + 32);
 };
 
 module.exports.convertRavenBlob = function(blobBuffer) {

package.json

@@ -1,6 +1,6 @@
 {
   "name": "cryptoforknote-util",
-  "version": "9.0.11",
+  "version": "9.0.16",
   "main": "cryptoforknote-util",
   "author": {
     "name": "LucasJones",
@@ -17,7 +17,8 @@
     "bignum":   "^0.13.1",
     "sha3":     "*",
     "varuint-bitcoin": "^1.0.4",
-    "bitcoinjs-lib":   "git+https://github.com/bitcoinjs/bitcoinjs-lib.git#533d6c2e6d0aa4111f7948b1c12003cf6ef83137"
+    "bitcoinjs-lib":   "git+https://github.com/bitcoinjs/bitcoinjs-lib.git#533d6c2e6d0aa4111f7948b1c12003cf6ef83137",
+    "merkle-bitcoin":  "git+https://github.com/CloudMining/merkle-bitcoin.git#ec00ae20ba60d444e150ead03c747695ddaa83a1"
   },
   "keywords": [
     "cryptonight",