API for ens

lib/modules/ens/index.js

@@ -16,10 +16,10 @@ class ENS {
 
     this.addENSToEmbarkJS();
     this.configureContracts();
-    this.registerEvents();
+    this.registerActionForEvents();
   }
 
-  registerEvents() {
+  registerActionForEvents() {
     const self = this;
     self.embark.registerActionForEvent("contracts:deploy:afterAll", (cb) => {
       async.parallel([
@@ -51,12 +51,12 @@ class ENS {
           resolverAddress: results[2].deployedAddress
         };
         self.addSetProvider(config);
+        self.registerAPI(config);
 
         if (!self.env === 'development' || !self.registration || !self.registration.subdomains || !Object.keys(self.registration.subdomains).length) {
           return cb();
         }
-        self.registerConfigDomains(config, cb);
+        self.registerConfigSubdomains(config, cb);
-        self.registerAPI(config);
       });
     });
   }
@@ -65,56 +65,127 @@ class ENS {
     let self = this;
     self.embark.registerAPICall(
       'get',
-      '/embark-api/ens/registry',
+      '/embark-api/ens/resolve',
       (req, res) => {
+        self.resolveName(req.query.name, config, (error, address) => {
+          if (error) {
+            return res.send({error: error.message});
+          }
+          res.send({address});
+        });
+      }
+    );
 
+    self.embark.registerAPICall(
+      'get',
+      '/embark-api/ens/lookup',
+      (req, res) => {
+        self.lookupAddress(req.query.address, config, (error, name) => {
+          if (error) {
+            return res.send({error: error.message});
+          }
+          res.send({name});
+        });
+      }
+    );
+
+    self.embark.registerAPICall(
+      'post',
+      '/embark-api/ens/register',
+      (req, res) => {
+        self.registerSubdomain({[req.body.subdomain]: req.body.address}, config, (error, transaction) => {
+          if (error) {
+            return res.send({error: error.message});
+          }
+          res.send({transaction});
+        });
       }
     );
   }
 
-  registerConfigDomains(config, cb) {
+  registerConfigSubdomains(config, callback) {
+    this.registerSubdomains(this.registration.subdomains, config, callback);
+  }
+
+  lookupAddress(address, config, callback) {
+    let self = this;
+    self.createResolverContract(config, (err, resolver) => {
+      if (err) {
+        return callback(err);
+      }
+
+      if (address.startsWith("0x")) {
+        address = address.slice(2);
+      }
+      let node = utils.soliditySha3(address.toLowerCase() + reverseAddrSuffix);
+      resolver.methods.name(node).call(callback);
+    });
+  }
+
+  resolveName(name, config, callback) {
+    let self = this;
+    self.createResolverContract(config, (err, resolver) => {
+      if (err) {
+        return callback(err);
+      }
+
+      let node = namehash.hash(name);
+      resolver.methods.name(node).call(callback);
+    });
+  }
+
+  registerSubdomains(subdomains, config, callback) {
     const self = this;
     const register = require('./register');
+
     self.events.request("blockchain:defaultAccount:get", (defaultAccount) => {
-      async.parallel([
+      async.parallel({
-        function createRegistryContract(paraCb) {
+        ens: self.createRegistryContract.bind(this, config),
-          self.events.request("blockchain:contract:create",
+        registrar: self.createRegistrarContract.bind(this, config),
-            {abi: config.registryAbi, address: config.registryAddress},
+        resolver: self.createResolverContract.bind(this, config)
-            (registry) => {
+      }, function (err, contracts) {
-              paraCb(null, registry);
-            });
-        },
-        function createRegistrarContract(paraCb) {
-          self.events.request("blockchain:contract:create",
-            {abi: config.registrarAbi, address: config.registrarAddress},
-            (registrar) => {
-              paraCb(null, registrar);
-            });
-        },
-        function createResolverContract(paraCb) {
-          self.events.request("blockchain:contract:create",
-            {abi: config.resolverAbi, address: config.resolverAddress},
-            (resolver) => {
-              paraCb(null, resolver);
-            });
-        }
-      ], function (err, contracts) {
         if (err) {
-          return cb(err);
+          return callback(err);
         }
-        const [ens, registrar, resolver] = contracts;
+        const {ens, registrar, resolver} = contracts;
 
-        async.each(Object.keys(self.registration.subdomains), (subDomainName, eachCb) => {
+        async.each(Object.keys(subdomains), (subdomainName, eachCb) => {
-          const address = self.registration.subdomains[subDomainName];
+          const address = subdomains[subdomainName];
           const reverseNode = utils.soliditySha3(address.toLowerCase().substr(2) + reverseAddrSuffix);
-          register(ens, registrar, resolver, defaultAccount, subDomainName, self.registration.rootDomain,
+          register(ens, registrar, resolver, defaultAccount, subdomainName, self.registration.rootDomain,
             reverseNode, address, self.logger, eachCb);
-        }, cb);
+        }, callback);
-
       });
     });
   }
 
+  createRegistryContract(config, callback) {
+    this.events.request("blockchain:contract:create", {
+      abi: config.registryAbi,
+      address: config.registryAddress
+    }, (registry) => {
+      callback(null, registry);
+    });
+  }
+
+  createRegistrarContract(config, callback) {
+    this.events.request("blockchain:contract:create", {
+      abi: config.registrarAbi,
+      address: config.registrarAddress
+    }, (registrar) => {
+      callback(null, registrar);
+    });
+  }
+
+  createResolverContract(config, callback) {
+    this.events.request("blockchain:contract:create", {
+      abi: config.resolverAbi,
+      address: config.resolverAddress
+    }, (resolver) => {
+      callback(null, resolver);
+    });
+  }
+
   addENSToEmbarkJS() {
     const self = this;
     // TODO: make this a shouldAdd condition