Split pool daemon into mining and observer roles

config_examples/monero.json

@@ -150,6 +150,16 @@
 		"trustProxyIP": true
 	},
 
+	"miningSource": {
+		"host": "127.0.0.1",
+		"port": 18081
+	},
+
+	"chainObserver": {
+		"host": "127.0.0.1",
+		"port": 18081
+	},
+
 	"daemon": {
 		"host": "127.0.0.1",
 		"port": 18081

config_examples/peya.json

@@ -119,6 +119,16 @@
     "trustProxyIP": true
   },
 
+  "miningSource": {
+    "host": "127.0.0.1",
+    "port": 37777
+  },
+
+  "chainObserver": {
+    "host": "127.0.0.1",
+    "port": 37777
+  },
+
   "daemon": {
     "host": "127.0.0.1",
     "port": 37777

config_examples/salvium.json

@@ -145,6 +145,16 @@
         "trustProxyIP": true
     },
 
+    "miningSource": {
+        "host": "127.0.0.1",
+        "port": 11812
+    },
+
+    "chainObserver": {
+        "host": "127.0.0.1",
+        "port": 11812
+    },
+
     "daemon": {
         "host": "127.0.0.1",
         "port": 11812

config_examples/zephyr.json

@@ -111,6 +111,16 @@
     "trustProxyIP": true
   },
 
+  "miningSource": {
+    "host": "127.0.0.1",
+    "port": 17767
+  },
+
+  "chainObserver": {
+    "host": "127.0.0.1",
+    "port": 17767
+  },
+
   "daemon": {
     "host": "127.0.0.1",
     "port": 17767

init.js

@@ -41,16 +41,20 @@
 
  // Load pool modules
  if (cluster.isWorker) {
- 	switch (process.env.workerType) {
- 		case 'pool':
- 			require('./lib/pool.js');
- 			break;
- 		case 'daemon':
- 			require('./lib/daemon.js')
- 			break
- 		case 'blockUnlocker':
- 			require('./lib/blockUnlocker.js');
- 			break;
+	switch (process.env.workerType) {
+		case 'pool':
+			require('./lib/pool.js');
+			break;
+		case 'daemon':
+		case 'miningSource':
+			require('./lib/miningSource.js')
+			break
+		case 'chainObserver':
+			require('./lib/chainObserver.js')
+			break
+		case 'blockUnlocker':
+			require('./lib/blockUnlocker.js');
+			break;
  		case 'paymentProcessor':
  			require('./lib/paymentProcessor.js');
  			break;
@@ -73,7 +77,7 @@
 
  // Run a single module ?
  var singleModule = (function () {
- 	var validModules = ['pool', 'api', 'unlocker', 'payments', 'chartsDataCollector', 'telegramBot'];
+ 	var validModules = ['pool', 'api', 'unlocker', 'payments', 'chartsDataCollector', 'telegramBot', 'daemon', 'miningSource', 'chainObserver'];
 
  	for (var i = 0; i < process.argv.length; i++) {
  		if (process.argv[i].indexOf('-module=') === 0) {
@@ -95,13 +99,17 @@
  		if (singleModule) {
  			log('info', logSystem, 'Running in single module mode: %s', [singleModule]);
 
- 			switch (singleModule) {
- 				case 'daemon':
- 					spawnDaemon()
- 					break
- 				case 'pool':
- 					spawnPoolWorkers();
- 					break;
+			switch (singleModule) {
+				case 'daemon':
+				case 'miningSource':
+					spawnMiningSource();
+					break;
+				case 'chainObserver':
+					spawnChainObserver();
+					break;
+				case 'pool':
+					spawnPoolWorkers();
+					break;
  				case 'unlocker':
  					spawnBlockUnlocker();
  					break;
@@ -118,12 +126,13 @@
  					spawnTelegramBot();
  					break;
  			}
- 		} else {
- 			spawnPoolWorkers();
- 			spawnDaemon();
- 			spawnBlockUnlocker();
- 			spawnPaymentProcessor();
- 			spawnApi();
+		} else {
+			spawnPoolWorkers();
+			spawnMiningSource();
+			spawnChainObserver();
+			spawnBlockUnlocker();
+			spawnPaymentProcessor();
+			spawnApi();
  			spawnChartsDataCollector();
  			spawnTelegramBot();
  		}
@@ -229,18 +238,18 @@
  }
 
  /**
-  * Spawn daemon module
-  **/
- function spawnDaemon () {
+ * Spawn mining source module
+ **/
+ function spawnMiningSource () {
  	if (!config.poolServer || !config.poolServer.enabled || !config.poolServer.ports || config.poolServer.ports.length === 0) return;
 
  	var worker = cluster.fork({
- 		workerType: 'daemon'
+ 		workerType: 'miningSource'
  	});
  	worker.on('exit', function (code, signal) {
- 			log('error', logSystem, 'Daemon died, spawning replacement...');
+ 			log('error', logSystem, 'Mining source died, spawning replacement...');
  			setTimeout(function () {
- 				spawnDaemon();
+ 				spawnMiningSource();
  			}, 10);
  		})
  		.on('message', function (msg) {
@@ -260,6 +269,23 @@
  		});
  }
 
+ /**
+  * Spawn chain observer module
+  **/
+ function spawnChainObserver () {
+ 	if (!config.poolServer || !config.poolServer.enabled || !config.poolServer.ports || config.poolServer.ports.length === 0) return;
+
+ 	var worker = cluster.fork({
+ 		workerType: 'chainObserver'
+ 	});
+ 	worker.on('exit', function () {
+ 		log('error', logSystem, 'Chain observer died, spawning replacement...');
+ 		setTimeout(function () {
+ 			spawnChainObserver();
+ 		}, 2000);
+ 	});
+ }
+
  /**
   * Spawn block unlocker module
   **/

lib/chainObserver.js

@@ -0,0 +1,50 @@
+let async = require('async');
+let apiInterfaces = require('./apiInterfaces.js')(config.daemon, config.wallet, config.api);
+let lastHash;
+let observerConfig = config.chainObserver || config.daemon;
+
+let logSystem = 'chainObserver';
+let blockData = JSON.stringify({
+	id: "0",
+	jsonrpc: "2.0",
+	method: 'getlastblockheader',
+	params: {}
+});
+
+require('./exceptionWriter.js')(logSystem);
+
+function runInterval () {
+	async.waterfall([
+		function (callback) {
+			apiInterfaces.jsonHttpRequest(observerConfig.host, observerConfig.port, blockData, function (err, res) {
+				if (err) {
+					log('error', logSystem, '%s error from chain observer', [config.coin]);
+					setTimeout(runInterval, 3000);
+					return;
+				}
+				if (res && res.result && res.result.status === "OK" && res.result.hasOwnProperty('block_header')) {
+					let blockHeader = res.result.block_header;
+					let hash = blockHeader.hash.toString('hex');
+					if (!lastHash || lastHash !== hash) {
+						lastHash = hash;
+						log('info', logSystem, '%s observed new chain tip %s at height %d', [config.coin, hash, blockHeader.height]);
+						process.send({
+							type: 'ChainState',
+							block_header: blockHeader
+						});
+					}
+					callback(null);
+					return;
+				}
+				log('error', logSystem, 'bad response from chain observer');
+				setTimeout(runInterval, 3000);
+			});
+		}
+	], function () {
+		setTimeout(function () {
+			runInterval();
+		}, observerConfig.refreshInterval || config.poolServer.blockRefreshInterval);
+	});
+}
+
+runInterval();

lib/daemon.js

@@ -1,90 +0,0 @@
-let utils = require('./utils.js');
-let async = require('async');
-let apiInterfaces = require('./apiInterfaces.js')(config.daemon, config.wallet, config.api);
-let lastHash;
-
-let POOL_NONCE_SIZE = 16 + 1; // +1 for old XMR/new TRTL bugs
-
-let logSystem = 'daemon'
-let blockData = JSON.stringify({
-	id: "0",
-	jsonrpc: "2.0",
-	method: 'getlastblockheader',
-	params: {}
-})
-
-require('./exceptionWriter.js')(logSystem);
-
-
-function runInterval () {
-	async.waterfall([
-			function (callback) {
-				apiInterfaces.jsonHttpRequest(config.daemon.host, config.daemon.port, blockData, function (err, res) {
-					if (err) {
-						log('error', logSystem, '%s error from daemon', [config.coin]);
-						setTimeout(runInterval, 3000);
-						return;
-					}
-					if (res && res.result && res.result.status === "OK" && res.result.hasOwnProperty('block_header')) {
-						let hash = res.result.block_header.hash.toString('hex');
-						if (!lastHash || lastHash !== hash) {
-							lastHash = hash
-							log('info', logSystem, '%s found new hash %s', [config.coin, hash]);
-							callback(null, true);
-							return;
-						} else if (config.daemon.alwaysPoll || false) {
-							callback(null, true);
-							return;
-						} else {
-							callback(true);
-							return;
-						}
-					} else {
-						log('error', logSystem, 'bad reponse from daemon');
-						setTimeout(runInterval, 3000);
-						return;
-					}
-				});
-			},
-			function (getbc, callback) {
-				let templateData = JSON.stringify({
-					id: "0",
-					jsonrpc: "2.0",
-					method: 'getblocktemplate',
-					params: {
-						reserve_size: POOL_NONCE_SIZE,
-						wallet_address: utils.getPoolTemplateAddress()
-					}
-				});
-				apiInterfaces.jsonHttpRequest(config.daemon.host, config.daemon.port, templateData, function (err, res) {
-					if (err) {
-						log('error', logSystem, 'Error polling getblocktemplate %j', [err])
-						callback(null)
-						return
-					}
-					if (res.error) {
-						log('error', logSystem, 'Error polling getblocktemplate %j', [res.error])
-						callback(null)
-						return
-					}
-					if (config.coin == 'talleo' && res.result.height >= 10000 && res.result.num_transactions == 0) {
-						callback(null)
-						return
-					}
-					process.send({
-						type: 'BlockTemplate',
-						block: res.result
-					})
-					callback(null)
-				})
-			}
-		],
-		function (error) {
-			if (error) {}
-			setTimeout(function () {
-				runInterval()
-			}, config.poolServer.blockRefreshInterval)
-		})
-}
-
-runInterval()

lib/logger.js

@@ -75,7 +75,7 @@ global.log = function (severity, system, text, data) {
 
 	if (logConsole) {
 		if (config.logging.console.colors)
-			if (system === 'daemon') {
+			if (system === 'daemon' || system === 'miningSource' || system === 'chainObserver') {
 				console.log(severityMap[severity](time) + clc.green.bold(' [' + system + '] ' + formattedMessage));
 			}
 		else {

lib/miningSource.js

@@ -0,0 +1,88 @@
+let utils = require('./utils.js');
+let async = require('async');
+let apiInterfaces = require('./apiInterfaces.js')(config.daemon, config.wallet, config.api);
+let lastHash;
+
+let POOL_NONCE_SIZE = 16 + 1; // +1 for old XMR/new TRTL bugs
+let miningConfig = config.miningSource || config.daemon;
+
+let logSystem = 'miningSource';
+let blockData = JSON.stringify({
+	id: "0",
+	jsonrpc: "2.0",
+	method: 'getlastblockheader',
+	params: {}
+});
+
+require('./exceptionWriter.js')(logSystem);
+
+function runInterval () {
+	async.waterfall([
+		function (callback) {
+			apiInterfaces.jsonHttpRequest(miningConfig.host, miningConfig.port, blockData, function (err, res) {
+				if (err) {
+					log('error', logSystem, '%s error from mining source', [config.coin]);
+					setTimeout(runInterval, 3000);
+					return;
+				}
+				if (res && res.result && res.result.status === "OK" && res.result.hasOwnProperty('block_header')) {
+					let hash = res.result.block_header.hash.toString('hex');
+					if (!lastHash || lastHash !== hash) {
+						lastHash = hash;
+						log('info', logSystem, '%s found new hash %s', [config.coin, hash]);
+						callback(null, true);
+						return;
+					} else if (miningConfig.alwaysPoll || config.daemon.alwaysPoll || false) {
+						callback(null, true);
+						return;
+					} else {
+						callback(true);
+						return;
+					}
+				} else {
+					log('error', logSystem, 'bad response from mining source');
+					setTimeout(runInterval, 3000);
+					return;
+				}
+			});
+		},
+		function (_getbc, callback) {
+			let templateData = JSON.stringify({
+				id: "0",
+				jsonrpc: "2.0",
+				method: 'getblocktemplate',
+				params: {
+					reserve_size: POOL_NONCE_SIZE,
+					wallet_address: utils.getPoolTemplateAddress()
+				}
+			});
+			apiInterfaces.jsonHttpRequest(miningConfig.host, miningConfig.port, templateData, function (err, res) {
+				if (err) {
+					log('error', logSystem, 'Error polling getblocktemplate %j', [err]);
+					callback(null);
+					return;
+				}
+				if (res.error) {
+					log('error', logSystem, 'Error polling getblocktemplate %j', [res.error]);
+					callback(null);
+					return;
+				}
+				if (config.coin == 'talleo' && res.result.height >= 10000 && res.result.num_transactions == 0) {
+					callback(null);
+					return;
+				}
+				process.send({
+					type: 'BlockTemplate',
+					block: res.result
+				});
+				callback(null);
+			});
+		}
+	], function () {
+		setTimeout(function () {
+			runInterval();
+		}, config.poolServer.blockRefreshInterval);
+	});
+}
+
+runInterval();