feat(dapp-config): add dapp connection to dapp config (artifact)

src/lib/constants.json

@@ -83,5 +83,9 @@
       "eth",
       "xyz"
     ]
+  },
+  "dappConfig": {
+    "dir": "config",
+    "blockchain": "blockchain.json"
   }
 }

src/lib/modules/code_generator/index.js

@@ -20,6 +20,9 @@ const Templates = {
 class CodeGenerator {
   constructor(embark, options) {
     this.blockchainConfig = embark.config.blockchainConfig || {};
+    this.embarkConfig = embark.config.embarkConfig;
+    this.dappConfigs = {};
+    this.logger = embark.logger;
     this.rpcHost = this.blockchainConfig.rpcHost || '';
     this.rpcPort = this.blockchainConfig.rpcPort || '';
     this.contractsConfig = embark.config.contractsConfig || {};
@@ -42,6 +45,10 @@ class CodeGenerator {
   listenToCommands() {
     let self = this;
 
+    this.events.on('config:load:contracts', (contractConfig) => {
+      this.generateConfigs(contractConfig);
+    });
+
     this.events.setCommandHandler('provider-code', function(cb) {
       let providerCode = self.generateProvider(false);
 
@@ -186,6 +193,23 @@ class CodeGenerator {
     return result;
   }
 
+  generateConfigs(contractConfig) {
+    this.dappConfigs.blockchain = {dappConnection: contractConfig.dappConnection};
+    async.waterfall([
+      (next) => {
+        fs.mkdirp(utils.joinPath(this.embarkConfig.buildDir, constants.dappConfig.dir), next);
+      },
+      (_dir, next) => {
+        fs.writeFile(utils.joinPath(this.embarkConfig.buildDir, constants.dappConfig.dir, constants.dappConfig.blockchain),
+          JSON.stringify(this.dappConfigs.blockchain, null, 2), next);
+      }
+    ], (err) => {
+      if (err) {
+        this.logger.error(err.message || err);
+      }
+    });
+  }
+
   generateContractCode(contract, gasLimit) {
     let abi = JSON.stringify(contract.abiDefinition);
 

src/test/code_generator.js

@@ -27,14 +27,15 @@ describe('embark.CodeGenerator', function() {
         deployedAddress: "0x124",
         code: '123456'
       }
-    ]
+    ];
 
     const TestEvents = {
       request: (cmd, cb) => {
         cb(currentSolcVersion);
       },
       setCommandHandler: () => {
-      }
+      },
+      on: () => {}
     };
     let generator = new CodeGenerator({config: {blockchainConfig: {}}, events: TestEvents}, {});