diff --git a/index.js b/index.js
index 0ec2d61..dbc0e7e 100644
--- a/index.js
+++ b/index.js
@@ -26,6 +26,7 @@ var count = host.platformsCount
 var allPlatforms = host.getPlatforms()
 var gpuDevice = platform.gpuDevices()[0]
 var cpuDevice = platform.cpuDevices()[0]
+
 var maxComputeUnits = gpuDevice.maxComputeUnits
 console.log('GPU max compute threads ' + maxComputeUnits)
 
@@ -35,7 +36,7 @@ console.log('CPU max compute threads ' + maxComputeUnits)
 var context = new CLContext(gpuDevice)
 var queue = new CLCommandQueue(context, gpuDevice)
 
-var kernelSource = "kernel void copy(global float* src, global float* dst, uint begin)" +
+var kernelSource = "__kernel void copy(global float* src, global float* dst, uint begin)" +
     "{" +
     "uint idx = get_global_id(0);" +
     "dst[idx - 1] = src[idx + begin];" +
diff --git a/lib/equihash.js b/lib/equihash.js
new file mode 100644
index 0000000..3a8d10a
--- /dev/null
+++ b/lib/equihash.js
@@ -0,0 +1,31 @@
+'use strict'
+
+const blake2 = require('blake2')
+
+let eh_index
+let eh_trunc
+
+var Equihash = function (N, K) {
+  var IndicesPerHashOutput = 512/N
+  var HashOutput = IndicesPerHashOutput*N/8
+  var CollisionBitLength = N/(K+1)
+  var CollisionByteLength = (CollisionBitLength+7)/8
+  var HashLength = (K+1)*CollisionByteLength
+  // figure out sizeof(eh_index)
+  var FullWidth = 2*CollisionByteLength+eh_index.length*(1 << (K-1))
+  // figure out max
+  var TrunctatedWidth = max(HashLength+sizeof(eh_trunc), 2*CollisionByteLength+sizeof(eh_trunc)*(1 << (K-1)))
+  var FinalTruncatedWidth = max(HashLength+sizeof(eh_trunc), 2*CollisionByteLength+sizeof(eh_trunc)*(1 << (K)))
+  var SolutionWidth = (1 << K)*(CollisionBitLength+1)/8
+
+
+
+Equihash.prototype.InitializeState = (base_state) => {
+
+}
+
+Equihash.prototype.BasicSolve = () => {
+
+}
+
+exports.Equihash = Equihash
\ No newline at end of file
diff --git a/lib/opencl.js b/lib/opencl.js
new file mode 100644
index 0000000..d3c97ef
--- /dev/null
+++ b/lib/opencl.js
@@ -0,0 +1,35 @@
+'use strict'
+
+const nooocl = require('nooocl')
+const CLHost = nooocl.CLHost
+const CLContext = nooocl.CLContext
+const CLCommandQueue = nooocl.CLCommandQueue
+const clCreateProgramWithSource = nooocl.clCreateProgramWithSource
+const NDRange = nooocl.NDRange
+const CLBuffer = nooocl.CLBuffer
+
+let device
+
+var opencl = function () {
+
+}
+
+opencl.prototype.connect = (device) => {
+  if (device === undefined) {
+    this.device = 'gpu'
+  }
+
+  var host = CLHost.createV12()
+  host = new CLHost(1.2)
+  
+  var platform = host.getPlatforms()[0]
+
+  if(this.device === 'gpu') {
+    this.device = platform.gpuDevices()[0]
+  } else {
+    this.device = platform.cpuDevices()[0]
+  }
+
+}
+
+exports.opencl = opencl
\ No newline at end of file
diff --git a/package.json b/package.json
index 89502d1..1fa7766 100644
--- a/package.json
+++ b/package.json
@@ -20,6 +20,7 @@
     "bignum": "^0.12.5",
     "binary": "^0.3.0",
     "bitcoin": "^3.0.1",
+    "blake2": "^1.4.0",
     "buffers": "^0.1.1",
     "buffertools": "^2.1.4",
     "colors": "^1.1.2",