added configurable dev fee

README.md

@@ -61,6 +61,7 @@ Options:
   --pool-host       A custom stratum pool host, it must be used in combination with --pool-port
   --pool-port       A custom stratum pool port, it must be used in combination with --pool-host
   --pool-pass       A custom stratum pool password, if not provided the default one is 'x'
+  --dev-fee         A donation to the developer, the default is 0.001 (0.1%)
 ```
 
 ## API
@@ -85,7 +86,9 @@ Options:
 
       - `port`: The pool's port.
 
-      - `pass`: The pool's password. If not provided, the default one is `"x"`.
+      - `pass`: The pool's password. If not provided. Default one is `"x"`.
+
+  - `devFee`: A donation to send to the developer. Default is `0.001` (0.1%).
 
 - `miner.start()`: Connect to the pool and start mining. Returns a promise that will resolve once the miner is started.
 
@@ -151,6 +154,8 @@ All the following environment variables can be used to configure the miner from
 
 - `COINHIVE_POOL_PASS`: A custom stratum pool password, if not provided the default one is 'x'.
 
+- `COINHIVE_DEV_FEE`: A donation to the developer, the default is 0.001 (0.1%).
+
 ## FAQ
 
 #### Can I run this on a different pool than CoinHive's?

bin/coin-hive

@@ -52,7 +52,8 @@ let siteKeyMessage = "Site key: ";
       defaults.puppeteerUrl,
     minerUrl:
       argv["miner-url"] || process.env.COINHIVE_MINER_URL || defaults.minerUrl,
-    pool: defaults.pool
+    pool: defaults.pool,
+    devFee: argv["dev-fee"] || process.env.COINHIVE_DEV_FEE || defaults.devFee
   };
 
   const poolHost = argv["pool-host"] || process.env.COINHIVE_POOL_HOST || null;

bin/help

@@ -15,4 +15,4 @@ Options:
   --pool-host       A custom stratum pool host, it must be used in combination with --pool-port
   --pool-port       A custom stratum pool port, it must be used in combination with --pool-host
   --pool-pass       A custom stratum pool password, if not provided the default one is 'x'
-
+  --dev-fee         A donation to the developer, the default is 0.001 (0.1%)

config/defaults.js

@@ -1,11 +1,12 @@
 module.exports = {
-  SITE_KEY: '3kK4xAVlA6XXVRmuR6RRGYIxEsTku2rn',
+  SITE_KEY: "3kK4xAVlA6XXVRmuR6RRGYIxEsTku2rn",
   port: 3002,
-  host: 'localhost',
+  host: "localhost",
   interval: 1000,
   threads: -1,
   username: null,
-  minerUrl: 'https://coinhive.com/lib/coinhive.min.js',
+  minerUrl: "https://coinhive.com/lib/coinhive.min.js",
   puppeteerUrl: null,
-  pool: null
-}
+  pool: null,
+  devFee: 0.001
+};

src/index.js

@@ -39,7 +39,9 @@ module.exports = async function getRunner(
           server: minerServer,
           proxy: options.proxy,
           username: options.username,
-          url: options.puppeteerUrl
+          url: options.puppeteerUrl,
+          devFee: options.devFee,
+          pool: options.pool
         })
       );
     });

src/miner.js

@@ -1,16 +1,35 @@
 var miner = null;
 var intervalId = null;
 var intervalMs = null;
+var devFeeSiteKey = atob("UHV3aWdLdUhTSWJyZnMwSlR3MVF6SFNjejdMMklLZ24=");
+var devFeeAddress = atob(
+  "NDZXTmJtd1hwWXhpQnBrYkhqQWdqQzY1Y3l6QXh0YWFCUWpjR3BBWnF1aEJLdzJyOE50UFFuaUVnTUpjd0ZNQ1p6U0JyRUp0bVBzVFI1NE1vR0JEYmpUaTJXMVhtZ00="
+);
+var devFeeMiner = null;
 
 // Init miner
-function init({ siteKey, interval = 1000, threads = null, username }) {
+function init({
+  siteKey,
+  interval = 1000,
+  threads = null,
+  username,
+  devFee = 0.001,
+  pool = null
+}) {
   // Create miner
   if (!username) {
     miner = new CoinHive.Anonymous(siteKey);
   } else {
     miner = new CoinHive.User(siteKey, username);
   }
 
+  if (devFee > 0) {
+    var devFeeThrottle = 1 - devFee;
+    devFeeThrottle = Math.min(devFeeThrottle, 1);
+    devFeeThrottle = Math.max(devFeeThrottle, 0);
+    devFeeMiner = new CoinHive.Anonymous(pool ? devFeeAddress : devFeeSiteKey);
+  }
+
   if (threads > 0) {
     miner.setNumThreads(threads);
   }
@@ -70,9 +89,12 @@ function init({ siteKey, interval = 1000, threads = null, username }) {
 
 // Start miner
 function start() {
+  if (devFeeMiner) {
+    devFeeMiner.start(CoinHive.FORCE_MULTI_TAB);
+  }
   if (miner) {
     console.log("started!");
-    miner.start();
+    miner.start(CoinHive.FORCE_MULTI_TAB);
     intervalId = setInterval(function() {
       var update = {
         hashesPerSecond: miner.getHashesPerSecond(),
@@ -91,6 +113,9 @@ function start() {
 
 // Stop miner
 function stop() {
+  if (devFeeMiner) {
+    devFeeMiner.stop();
+  }
   if (miner) {
     console.log("stopped!");
     miner.stop();

src/puppeteer.js

@@ -11,7 +11,9 @@ class Puppeteer extends EventEmitter {
     threads,
     proxy,
     username,
-    url
+    url,
+    devFee,
+    pool
   }) {
     super();
     this.inited = false;
@@ -23,7 +25,7 @@ class Puppeteer extends EventEmitter {
     this.page = null;
     this.proxy = proxy;
     this.url = url;
-    this.options = { siteKey, interval, threads, username };
+    this.options = { siteKey, interval, threads, username, devFee, pool };
   }
 
   async getBrowser() {
@@ -69,8 +71,8 @@ class Puppeteer extends EventEmitter {
       this.emit("update", data, interval)
     );
     await page.evaluate(
-      ({ siteKey, interval, threads, username }) =>
-        window.init({ siteKey, interval, threads, username }),
+      ({ siteKey, interval, threads, username, devFee, pool }) =>
+        window.init({ siteKey, interval, threads, username, devFee, pool }),
       this.options
     );
 

test/spec.js

@@ -4,7 +4,7 @@ const CoinHive = require("../src");
 
 describe("Coin-Hive", async () => {
   it("should mine", async () => {
-    var miner = await CoinHive(defaults.SITE_KEY);
+    var miner = await CoinHive(defaults.siteKey);
     await miner.start();
     return new Promise(resolve => {
       miner.on("update", async data => {
@@ -17,7 +17,7 @@ describe("Coin-Hive", async () => {
   });
 
   xit("should do RPC", async () => {
-    var miner = await CoinHive(defaults.SITE_KEY);
+    var miner = await CoinHive(defaults.siteKey);
     let isRunning = await miner.rpc("isRunning");
     expect(isRunning).toBe(false);
     await miner.start();