add interval to send txs to deal with geth --dev bug

Author: iurimatias

lib/cmds/blockchain/dev_funds.js

@@ -11,6 +11,7 @@ class DevFunds {
     this.numAccounts = this.blockchainConfig.account.numAccounts || 0;
     this.password = readFileSync(dappPath('config/development/password'), 'utf8').replace('\n', '');
     this.web3 = new Web3();
+    this.networkId = null;
     this.balance = Web3.utils.toWei("1", "ether");
     if (this.blockchainConfig.account.balance) {
       console.dir('[blockchain/dev_funds]: converting balance from ' + this.blockchainConfig.account.balance);
@@ -19,6 +20,29 @@ class DevFunds {
     }
   }
 
+  _sendTx() {
+    if (this.networkId !== 1337) {
+      return;
+    }
+    this.web3.eth.sendTransaction({value: "1000000000000000", to: "0xA2817254cb8E7b6269D1689c3E0eBadbB78889d1", from: this.web3.eth.defaultAccount});
+  }
+
+  // trigger regular txs due to a bug in geth and stuck transactions in --dev mode
+  regularTxs(cb) {
+    const self = this;
+    self.web3.eth.net.getId().then((networkId) => {
+      self.networkId = networkId;
+      if (self.networkId !== 1337) {
+        return;
+      }
+
+      setInterval(function() { self._sendTx() }, 3000);
+      if (cb) {
+        cb();
+      }
+    });
+  }
+
   connectToNode(cb) {
 
     this.web3.setProvider(new Web3.providers.WebsocketProvider(buildUrl('ws', this.blockchainConfig.wsHost, this.blockchainConfig.wsPort), { headers: { Origin: "http://localhost:8000" } }));
@@ -67,8 +91,6 @@ class DevFunds {
   fundAccounts(balance, cb) {
     console.dir('-- funding accounts...');
 
-
-
     async.each(this.accounts, (account, next) => {
       this.web3.eth.getBalance(account).then(currBalance => {
         const remainingBalance = balance - currBalance;
@@ -85,8 +107,6 @@ class DevFunds {
         cb(err);
       });
     });
-
-
   }
 
   createFundAndUnlockAccounts(cb) {
@@ -105,6 +125,7 @@ class DevFunds {
       },
       (next) => {
         console.dir('--- FUNDING THE ACCOUNTS');
+        this.regularTxs();
         this.fundAccounts(this.balance, next);
       }
     ], (err) => {