flesh out the index for ENS a bit further

Signed-off-by: VoR0220 <catalanor0220@gmail.com>

lib/modules/ens/index.js

@@ -1,4 +1,5 @@
 const fs = require('../../core/fs.js');
+const utils = require('../../utils/utils.js');
 
 class ENS {
 	constructor(embark, options) {
@@ -6,5 +7,51 @@ class ENS {
 		this.events = embark.events;
 		this.web3 = options.web3;
 		this.embark = embark;
+
+		this.addENSToEmbarkJS();
+		this.addSetProvider();
 	}
-}
+
+	addENSToEmbarkJS() {
+	    const self = this;
+	    // TODO: make this a shouldAdd condition
+	    if (this.namesConfig === {}) {
+	      return;
+	    }
+
+	    if ((this.namesConfig.available_providers.indexOf('ens') < 0) && (this.namesConfig.provider !== 'ens' || this.namesConfig.enabled !== true)) {
+	      return;
+	    }
+
+	    self.events.request("version:get:eth-ens-namehash", function(namehashVersion) {
+	      let currentEnsNamehashVersion = require('../../../package.json').dependencies["eth-ens-namehash"];
+	      if (EnsNamehashVersion !== currentEnsNamehashVersion) {
+	        self.events.request("version:getPackageLocation", "eth-ens-namehash", EnsNamehashVersion, function(err, location) {
+	          self.embark.registerImportFile("eth-ens-namehash", fs.dappPath(location));
+	        });
+	      }
+	    });
+
+	    let code = "";
+	    code += "\n" + fs.readFileSync(utils.joinPath(__dirname, 'embarkjs.js')).toString();
+	    code += "\nEmbarkJS.Names.registerProvider('ens', __embarkENS);";
+
+	    this.embark.addCodeToEmbarkJS(code);
+	}
+
+	addSetProvider() {
+		let config = JSON.stringify({
+	    	web3: this.nameConfig.web3,
+	    });
+
+	    let code = "\nEmbarkJS.Names.setProvider('ens'," + config + ");";
+
+		let shouldInit = (storageConfig) => {
+	    	return (namesConfig.provider === 'ens' && storageConfig.enabled === true);
+	    };
+
+		this.embark.addProviderInit('names', code, shouldInit);
+	}
+}
+
+module.exports = ENS;