Add Account Management

Test.eth

@@ -0,0 +1,13 @@
+pragma solidity ^0.4.18;
+
+contract Test {
+    int256 a = 0;
+    
+    function set(int256 n) public {
+        a += n;
+    }
+    
+    function get() public constant returns(int256) {
+        return a;
+    }
+}

geth_console.js

@@ -0,0 +1,29 @@
+var Web3 = require('web3');
+var fs = require('fs');
+var web3 = new Web3();
+web3.setProvider(new web3.providers.HttpProvider('http://home.mrdev023.fr:8545'));
+
+var account = undefined
+if(!fs.existsSync('account.json')){
+    var password = Math.random().toString(36).substring(2, 15) + Math.random().toString(36).substring(2, 15);;
+    web3.eth.personal.newAccount(password).then(function(address){
+        var obj = {"address": address, "password": password};
+        console.log(address);
+        fs.writeFile('account.json', JSON.stringify(obj), 'utf8',run);
+        account = obj
+        run();
+    })
+} else {
+    fs.readFile('account.json', 'utf8', function readFileCallback(err, data){
+        if (err){
+            console.log(err);
+            process.exit(1);
+        } else {
+        account = JSON.parse(data); //now it an object
+        run();
+    }});
+}
+
+function run() {
+    
+}