add fund account so that custom accounts can now deploy!!

packages/embark-accounts-manager/package.json

@@ -45,6 +45,8 @@
   },
   "dependencies": {
     "@babel/runtime-corejs2": "7.3.1",
+    "async": "2.6.1",
+    "embark-i18n": "^4.1.0-beta.3",
     "embark-utils": "^4.1.0-beta.5",
     "web3": "1.0.0-beta.37"
   },

packages/embark-accounts-manager/src/fundAccount.js

@@ -0,0 +1,75 @@
+const async = require('async');
+const TARGET = 0x7FFFFFFFFFFFFFFF;
+const ALREADY_FUNDED = 'alreadyFunded';
+
+export default function fundAccount(web3, accountAddress, hexBalance, callback) {
+  if (!hexBalance) {
+    hexBalance = TARGET;
+  }
+  const targetBalance = web3.utils.toBN(hexBalance);
+  let accountBalance;
+  let coinbaseAddress;
+  let lastNonce;
+  let gasPrice;
+
+  async.waterfall([
+    function getAccountBalance(next) {
+      web3.eth.getBalance(accountAddress, (err, balance) => {
+        if (err) {
+          return next(err);
+        }
+        balance = web3.utils.toBN(balance);
+        if (balance.gte(targetBalance)) {
+          return next(ALREADY_FUNDED);
+        }
+        accountBalance = balance;
+        next();
+      });
+    },
+    function getNeededParams(next) {
+      async.parallel([
+        function getCoinbaseAddress(paraCb) {
+          web3.eth.getCoinbase()
+            .then((address) => {
+              coinbaseAddress = address;
+              paraCb();
+            }).catch(paraCb);
+        },
+        function getGasPrice(paraCb) {
+          web3.eth.getGasPrice((err, price) => {
+            if (err) {
+              return paraCb(err);
+            }
+            gasPrice = price;
+            paraCb();
+          });
+        }
+      ], (err, _result) => {
+        next(err);
+      });
+    },
+    function getNonce(next) {
+      web3.eth.getTransactionCount(coinbaseAddress, (err, nonce) => {
+        if (err) {
+          return next(err);
+        }
+        lastNonce = nonce;
+        next();
+      });
+    },
+    function sendTransaction(next) {
+      web3.eth.sendTransaction({
+        from: coinbaseAddress,
+        to: accountAddress,
+        value: targetBalance.sub(accountBalance),
+        gasPrice: gasPrice,
+        nonce: lastNonce
+      }, next);
+    }
+  ], (err) => {
+    if (err && err !== ALREADY_FUNDED) {
+      return callback(err);
+    }
+    callback();
+  });
+}

packages/embark-accounts-manager/src/index.ts

@@ -1,19 +1,30 @@
+import async from "async";
 import {Embark, Events, Logger} /* supplied by @types/embark in packages/embark-typings */ from "embark";
+import {__} from "embark-i18n";
 import {AccountParser, dappPath} from "embark-utils";
-const Web3 = require("web3");
-const ethUtil = require("ethereumjs-util");
+import Web3 from "web3";
+
+import fundAccount from "./fundAccount";
 
 export default class AccountsManager {
   private readonly logger: Logger;
   private readonly events: Events;
   private accounts: any[];
   private web3: any;
+  private ready: boolean;
 
   constructor(private readonly embark: Embark, _options: any) {
     this.logger = embark.logger;
     this.events = embark.events;
     this.accounts = [];
+    this.ready = false;
 
+    this.events.setCommandHandler("accounts-manager:onReady", (cb) => {
+      if (this.ready) {
+        return cb();
+      }
+      this.events.once("accounts-manager:ready", cb);
+    });
     this.events.request("proxy:onReady", () => {
       this.parseAccounts();
     });
@@ -21,16 +32,10 @@ export default class AccountsManager {
     this.events.setCommandHandler("accounts:get", (cb: any) => {
       cb(null, this.accounts);
     });
-
-    this.embark.registerActionForEvent("blockchain:proxy:request", this.checkBlockchainRequest.bind(this));
-    this.embark.registerActionForEvent("blockchain:proxy:response", this.checkBlockchainResponse.bind(this));
   }
 
   private async checkBlockchainRequest(params: any, callback: (error: any, result: any) => void) {
-    if (!this.accounts.length) {
-      return callback(null, params);
-    }
-    if (params.reqData.method === "eth_sendTransaction") {
+    if (params.reqData.method === "eth_sendTransaction" && this.accounts.length) {
       // Check if we have that account in our wallet
       const account = this.accounts.find((acc) => Web3.utils.toChecksumAddress(acc.address) === Web3.utils.toChecksumAddress(params.reqData.params[0].from));
       if (account) {
@@ -48,16 +53,23 @@ export default class AccountsManager {
   }
 
   private async checkBlockchainResponse(params: any, callback: (error: any, result: any) => void) {
-    if (!this.accounts.length) {
-      return callback(null, params);
-    }
-    if (params.reqData.method === "eth_accounts") {
+    if (params.reqData.method === "eth_accounts" && this.accounts.length) {
       params.respData.result = this.accounts.map((acc) => acc.address);
       return callback(null, params);
     }
     callback(null, params);
   }
 
+  private setReady() {
+    if (this.ready) {
+      return;
+    }
+    this.embark.registerActionForEvent("blockchain:proxy:request", this.checkBlockchainRequest.bind(this));
+    this.embark.registerActionForEvent("blockchain:proxy:response", this.checkBlockchainResponse.bind(this));
+    this.ready = true;
+    this.events.emit("accounts-manager:ready");
+  }
+
   private async parseAccounts() {
     if (!this.web3) {
       const provider = await this.events.request2("blockchain:client:provider", "ethereum");
@@ -66,5 +78,20 @@ export default class AccountsManager {
     // TODO add fund account
     const nodeAccounts = await this.web3.eth.getAccounts();
     this.accounts = AccountParser.parseAccountsConfig(this.embark.config.blockchainConfig.accounts, this.web3, dappPath(), this.logger, nodeAccounts);
+
+    if (!this.accounts.length || !this.embark.config.blockchainConfig.isDev) {
+      return this.setReady();
+    }
+    async.eachLimit(this.accounts, 1, (account, eachCb) => {
+      if (!account.address) {
+        return eachCb();
+      }
+      fundAccount(this.web3, account.address, account.hexBalance, eachCb);
+    }, (err) => {
+      if (err) {
+        this.logger.error(__("Error funding accounts"), err.message || err);
+      }
+      this.setReady();
+    });
   }
 }

packages/embark-blockchain-connector/src/provider.js

@@ -1,4 +1,4 @@
-import { __ } from 'embark-i18n';
+import {__} from 'embark-i18n';
 const async = require('async');
 const { AccountParser, dappPath } = require('embark-utils');
 const fundAccount = require('./fundAccount');

packages/embark-typings/src/embark.d.ts

@@ -36,6 +36,7 @@ export interface Config {
     wsOrigins: string;
     rpcCorsDomain: string;
     wsRPC: boolean;
+    isDev: boolean;
   };
   webServerConfig: {
     certOptions: {