Merge branch 'shesek-env-config'

README.md

@@ -38,10 +38,23 @@ The below instructions are geared toward BTC, but can be adapted easily to other
 1. Clone this repo: `git clone https://github.com/janoside/btc-rpc-explorer`
 2. `npm install`
 3. `npm run build`
-4. Optional: Create git-ignored file `app/credentials.js` with values to overwrite those in [app/defaultCredentials.js](app/defaultCredentials.js).
-5. Optional: Change the "coin" value in [app/config.js](app/config.js). Currently supported values are "BTC" and "LTC".
-6. `npm start`
-7. Open [http://127.0.0.1:3002/](http://127.0.0.1:3002/)
+4. Set environment variables with your bitcoind rpc credentials and other settings. See [configuration](#configuration).
+5. `npm start`
+6. Open [http://127.0.0.1:3002/](http://127.0.0.1:3002/)
+
+### Configuration
+
+Configuration options may be passed as environment variables.
+You can also set them in a `.env` file in the root directory, in the following format:
+
+```
+BTCEXP_BITCOIND_HOST = localhost
+BTCEXP_BITCOIND_PORT = 8332
+BTCEXP_BITCOIND_USER = username
+BTCEXP_BITCOIND_PASS = password
+BTCEXP_IPSTACK_KEY = 0000aaaafffffgggggg
+BTCEXP_COOKIEPASSWORD = 0x000000000019d6689c085ae165831e934ff763ae46a2a6c172b3f1b60a8ce26f
+```
 
 ## Run via Docker
 

app.js

@@ -2,6 +2,8 @@
 
 'use strict';
 
+require('dotenv').config();
+
 var express = require('express');
 var path = require('path');
 var favicon = require('serve-favicon');
@@ -205,32 +207,19 @@ app.runOnStartup = function() {
 
 	console.log("Running RPC Explorer for " + global.coinConfig.name);
 
-	var rpcCredentials = null;
-	if (config.credentials.rpc) {
-		rpcCredentials = config.credentials.rpc;
-
-	} else if (process.env.RPC_HOST) {
-		rpcCredentials = {
-			host: process.env.RPC_HOST,
-			port: process.env.RPC_PORT,
-			username: process.env.RPC_USERNAME,
-			password: process.env.RPC_PASSWORD
-		};
-	}
-
-	if (rpcCredentials) {
-		console.log("Connecting via RPC to node at " + config.credentials.rpc.host + ":" + config.credentials.rpc.port);
+	var rpcCred = config.credentials.rpc;
+	console.log("Connecting via RPC to node at " + rpcCred.host + ":" + rpcCred.port);
 
-		global.client = new bitcoinCore({
-			host: rpcCredentials.host,
-			port: rpcCredentials.port,
-			username: rpcCredentials.username,
-			password: rpcCredentials.password,
-			timeout: 5000
-		});
+	global.client = new bitcoinCore({
+		host: rpcCred.host,
+		port: rpcCred.port,
+		username: rpcCred.username,
+		password: rpcCred.password,
+		timeout: 5000
+	});
 
-		coreApi.getNetworkInfo().then(function(getnetworkinfo) {
-			console.log("Connected via RPC to node. Basic info: version=" + getnetworkinfo.version + ", subversion=" + getnetworkinfo.subversion + ", protocolversion=" + getnetworkinfo.protocolversion + ", services=" + getnetworkinfo.localservices);
+	coreApi.getNetworkInfo().then(function(getnetworkinfo) {
+		console.log("Connected via RPC to node. Basic info: version=" + getnetworkinfo.version + ", subversion=" + getnetworkinfo.subversion + ", protocolversion=" + getnetworkinfo.protocolversion + ", services=" + getnetworkinfo.localservices);
 
 	if (config.credentials.influxdb.active) {
 		global.influxdb = new Influx.InfluxDB(config.credentials.influxdb);
@@ -246,7 +235,6 @@ app.runOnStartup = function() {
 		}).catch(function(err) {
 			console.log("Error 923grf20fge: " + err + ", error json: " + JSON.stringify(err));
 		});
-	}
 
 	if (config.donationAddresses) {
 		var getDonationAddressQrCode = function(coinId) {

app/config.js

@@ -1,17 +1,15 @@
 var coins = require("./coins.js");
 
-var currentCoin = "BTC";
+var currentCoin = process.env.BTCEXP_COIN || "BTC";
 
 var credentials = require("./defaultCredentials.js");
-var overwriteCredentials = require("./credentials.js");
-
-for (var key in overwriteCredentials) {
-	credentials[key] = overwriteCredentials[key];
-}
+try {
+  Object.assign(credentials, require("./credentials.js"))
+} catch (err) {}
 
 module.exports = {
-	cookiePassword: "0x000000000019d6689c085ae165831e934ff763ae46a2a6c172b3f1b60a8ce26f",
-	demoSite: true,
+	cookiePassword: process.env.BTCEXP_COOKIE_PASSWORD || "0x000000000019d6689c085ae165831e934ff763ae46a2a6c172b3f1b60a8ce26f",
+	demoSite: !!process.env.BTCEXP_DEMO,
 	coin: currentCoin,
 
 	rpcBlacklist:[

app/defaultCredentials.js

@@ -1,31 +1,31 @@
 module.exports = {
 	rpc: {
-		host:"127.0.0.1",
-		port:8332,
-		username:"rpc_username",
-		password:"rpc_password"
+		host: process.env.BTCEXP_BITCOIND_HOST || "127.0.0.1",
+		port: process.env.BTCEXP_BITCOIND_PORT || 8332,
+		username: process.env.BTCEXP_BITCOIND_USER,
+		password: process.env.BTCEXP_BITCOIND_PASS,
 	},
 
 	influxdb:{
-		active:false,
-		host:"127.0.0.1",
-		port:8086,
-		database:"influxdb",
-		username:"admin",
-		password:"admin"
+		active: !!process.env.BTCEXP_INFLUXDB_ENABLED,
+		host: process.env.BTCEXP_INFLUXDB_HOST || "127.0.0.1",
+		port: process.env.BTCEXP_INFLUXDB_PORT || 8086,
+		database: process.env.BTCEXP_INFLUXDB_DB || "influxdb",
+		username: process.env.BTCEXP_INFLUXDB_USER || "admin",
+		password: process.env.BTCEXP_INFLUXDB_PASS || "admin"
 	},
 
 	// optional: enter your api access key from ipstack.com below
 	// to include a map of the estimated locations of your node's
 	// peers
 	// format: "ID_FROM_IPSTACK"
-	ipStackComApiAccessKey:null,
+	ipStackComApiAccessKey: process.env.BTCEXP_IPSTACK_KEY,
 
 	// optional: GA tracking code
 	// format: "UA-..."
-	googleAnalyticsTrackingId:null,
+	googleAnalyticsTrackingId: process.env.BTCEXP_GANALYTICS_TRACKING,
 
 	// optional: sentry.io error-tracking url
 	// format: "SENTRY_IO_URL"
-	sentryUrl:null,
+	sentryUrl: process.env.BTCEXP_SENTRY_URL,
 };

package.json

@@ -27,6 +27,7 @@
     "crypto-js": "3.1.9-1",
     "debug": "~2.6.0",
     "decimal.js": "7.2.3",
+    "dotenv": "^6.2.0",
     "electrum-client": "github:chaintools/node-electrum-client#43a999036f9c5",
     "express": "^4.16.4",
     "express-session": "1.15.6",