Update documentation. Hacknet Node API functions for getting costs now return Infinity if the specified Node is at max level

dist/engine.css

@@ -44,18 +44,6 @@ span {
   margin: 4px;
   padding: 4px; }
 
-button[type="button"] {
-  -webkit-transform: translateX(-50%);
-  -moz-transform: translateX(-50%);
-  -ms-transform: translateX(-50%);
-  -o-transform: translateX(-50%);
-  transform: translateX(-50%);
-  padding: 0.5rem 1rem;
-  position: absolute;
-  z-index: 1;
-  bottom: 10px;
-  left: 50%; }
-
 #entire-game-container {
   background-color: transparent; }
 
@@ -67,146 +55,11 @@ td:focus,
 tr:focus {
   outline: none; }
 
-/* Main navigation menu */
-.mainmenu {
-  list-style-type: none;
-  margin: 0;
-  padding: 0;
-  width: 10%;
-  position: fixed;
-  height: 100%;
-  overflow: auto;
-  border: 0;
-  border-bottom: 1px solid #000;
-  border-radius: 0;
-  background-color: #333; }
-
-/* Default buttons */
-.mainmenu > li a {
-  display: block;
-  color: #e6e6e6;
-  background-color: #555;
-  padding: 12px 8px;
-  text-decoration: none; }
-
-.mainmenu.classic > li a {
-  padding: 16px; }
-
-/* Hovering makes them lighter */
-.mainmenu > li a:hover,
-.mainmenu > li a:hover:not(.active),
-.mainmenu > li a:focus {
-  background-color: #777;
-  color: #fff; }
-
-/* Panel headers can become active, and they are "lighter" than the rest */
-.mainmenu > li a.active {
-  background-color: #777;
-  color: #fff; }
-
-.mainmenu > li a.active:hover {
-  background-color: #aaa; }
-
-#hacking-menu-header-li,
-#character-menu-header-li,
-#world-menu-header-li,
-#help-menu-header-li {
-  position: relative; }
-
-/* Accordion Outline */
-.mainmenu-accordion-header {
-  outline: 2px solid #fff; }
-
-.mainmenu-accordion-header-classic {
-  border: 2px solid #fff;
-  padding: 16px !important; }
-
-/* Plus and minus signs */
-.mainmenu-accordion-header:after {
-  content: '\2795';
-  float: right;
-  font-size: 13px;
-  position: absolute;
-  bottom: 25%;
-  right: 3px;
-  color: transparent;
-  text-shadow: 0 0 0 #fff; }
-
-.mainmenu-accordion-header-classic:after {
-  content: '\2795';
-  float: right;
-  font-size: 13px;
-  color: #fff;
-  margin-left: 5px; }
-
-.mainmenu-accordion-header.opened,
-.mainmenu-accordion-header-classic.opened {
-  background-color: #222; }
-  .mainmenu-accordion-header.opened:after,
-  .mainmenu-accordion-header-classic.opened:after {
-    content: "\2796"; }
-
-/* Slide down transition */
-.mainmenu-accordion-panel {
-  max-height: 0;
-  opacity: 1;
-  transition: max-height 0.2s ease-out; }
-
 /* Make html links ("a" elements) nice looking buttons with this class */
 a:link,
 a:visited {
   color: #fff; }
 
-.a-link-button {
-  text-decoration: none;
-  background-color: #555;
-  color: #fff;
-  padding: 3px 5px;
-  margin: 5px;
-  border: 1px solid #333;
-  -moz-user-select: none;
-  -ms-user-select: none;
-  -khtml-user-select: none;
-  -webkit-user-select: none; }
-  .a-link-button:hover {
-    background-color: #666; }
-  .a-link-button:active {
-    -webkit-box-shadow: inset 0 1px 4px rgba(0, 0, 0, 0.6);
-    -moz-box-shadow: inset 0 1px 4px rgba(0, 0, 0, 0.6);
-    box-shadow: inset 0 1px 4px rgba(0, 0, 0, 0.6); }
-
-/* Make anchor tags ("a" elements) inactive (not clickable) */
-.a-link-button-inactive {
-  text-decoration: none;
-  background-color: #333;
-  color: #fff;
-  padding: 3px 5px;
-  margin: 5px;
-  border: 1px solid #333;
-  cursor: default; }
-  .a-link-button-inactive:hover .tooltiptext,
-  .a-link-button-inactive:hover .tooltiptexthigh,
-  .a-link-button-inactive:hover .tooltiptextleft {
-    visibility: visible; }
-  .a-link-button-inactive:active {
-    pointer-events: none; }
-
-/* Make anchor tags ("a" elements) for activated actions */
-.a-link-button-bought {
-  text-decoration: none;
-  background-color: #0a0;
-  color: #fff;
-  padding: 3px 5px;
-  margin: 5px;
-  border: 1px solid #0a0;
-  cursor: default; }
-  .a-link-button-bought:hover .tooltiptext,
-  .a-link-button-bought:hover .tooltiptexthigh,
-  .a-link-button-bought:hover .tooltiptextleft {
-    visibility: visible; }
-  .a-link-button-bought:active {
-    pointer-events: none; }
-
 .dropdown {
   color: #fff;
   background-color: #000; }
@@ -619,6 +472,179 @@ a:visited {
 .charisma-purple {
   color: #a671d1; }
 
+/* COLORS */
+/* Attributes */
+/**
+ * Styling for all buttons
+ *
+ * Includes <button> elements as well as classes that are used
+ * for formatting buttons
+ */
+/* Remove default <button> styling */
+button {
+  border: none; }
+
+.a-link-button,
+.std-button {
+  text-decoration: none;
+  background-color: #555;
+  color: #fff;
+  padding: 3px 5px;
+  margin: 5px;
+  border: 1px solid #333;
+  -moz-user-select: none;
+  -ms-user-select: none;
+  -khtml-user-select: none;
+  -webkit-user-select: none; }
+  .a-link-button:hover,
+  .std-button:hover {
+    background-color: #666; }
+  .a-link-button:active,
+  .std-button:active {
+    -webkit-box-shadow: inset 0 1px 4px rgba(0, 0, 0, 0.6);
+    -moz-box-shadow: inset 0 1px 4px rgba(0, 0, 0, 0.6);
+    box-shadow: inset 0 1px 4px rgba(0, 0, 0, 0.6); }
+
+.a-link-button-inactive,
+.std-button:disabled {
+  text-decoration: none;
+  background-color: #333;
+  color: #fff;
+  padding: 3px 5px;
+  margin: 5px;
+  border: 1px solid #333;
+  cursor: default; }
+  .a-link-button-inactive:hover .tooltiptext,
+  .a-link-button-inactive:hover .tooltiptexthigh,
+  .a-link-button-inactive:hover .tooltiptextleft,
+  .std-button:disabled:hover .tooltiptext,
+  .std-button:disabled:hover .tooltiptexthigh,
+  .std-button:disabled:hover .tooltiptextleft {
+    visibility: visible; }
+  .a-link-button-inactive:active,
+  .std-button:disabled:active {
+    pointer-events: none; }
+
+.a-link-button-bought,
+.std-button-bought {
+  text-decoration: none;
+  background-color: #0a0;
+  color: #fff;
+  padding: 3px 5px;
+  margin: 5px;
+  border: 1px solid #0a0;
+  cursor: default; }
+  .a-link-button-bought:hover .tooltiptext,
+  .a-link-button-bought:hover .tooltiptexthigh,
+  .a-link-button-bought:hover .tooltiptextleft,
+  .std-button-bought:hover .tooltiptext,
+  .std-button-bought:hover .tooltiptexthigh,
+  .std-button-bought:hover .tooltiptextleft {
+    visibility: visible; }
+  .a-link-button-bought:active,
+  .std-button-bought:active {
+    pointer-events: none; }
+
+/* COLORS */
+/* Attributes */
+/**
+ * Styling for the main navigation menu on the left-hand-side
+ */
+.mainmenu {
+  list-style-type: none;
+  margin: 0;
+  padding: 0;
+  width: 10%;
+  position: fixed;
+  height: 100%;
+  overflow: auto;
+  border: 0;
+  border-bottom: 1px solid #000;
+  border-radius: 0;
+  background-color: #333; }
+
+/* Default buttons */
+.mainmenu > li a,
+.mainmenu > li button {
+  display: block;
+  color: #e6e6e6;
+  background-color: #555;
+  padding: 12px 8px;
+  text-decoration: none;
+  width: 100%;
+  text-align: left; }
+
+.mainmenu.classic > li a,
+.mainmenu.classic > li button {
+  padding: 16px; }
+
+/* Hovering makes them lighter */
+.mainmenu > li a:hover,
+.mainmenu > li a:hover:not(.active),
+.mainmenu > li a:focus {
+  background-color: #777;
+  color: #fff; }
+
+.mainmenu > li button:hover,
+.mainmenu > li button:hover:not(.active) {
+  background-color: #777;
+  color: #fff; }
+
+/* Panel headers can become active, and they are "lighter" than the rest */
+.mainmenu > li a.active,
+.mainmenu > li button.active {
+  background-color: #777;
+  color: #fff; }
+
+.mainmenu > li a.active:hover,
+.mainmenu > li button.active:hover {
+  background-color: #aaa; }
+
+#hacking-menu-header-li,
+#character-menu-header-li,
+#world-menu-header-li,
+#help-menu-header-li {
+  position: relative; }
+
+/* Accordion Outline */
+.mainmenu-accordion-header {
+  outline: 2px solid #fff !important; }
+
+.mainmenu-accordion-header-classic {
+  border: 2px solid #fff;
+  padding: 16px !important; }
+
+/* Plus and minus signs */
+.mainmenu-accordion-header:after {
+  content: '\2795';
+  float: right;
+  font-size: 13px;
+  position: absolute;
+  bottom: 25%;
+  right: 3px;
+  color: transparent;
+  text-shadow: 0 0 0 #fff; }
+
+.mainmenu-accordion-header-classic:after {
+  content: '\2795';
+  float: right;
+  font-size: 13px;
+  color: #fff;
+  margin-left: 5px; }
+
+.mainmenu-accordion-header.opened,
+.mainmenu-accordion-header-classic.opened {
+  background-color: #222; }
+  .mainmenu-accordion-header.opened:after,
+  .mainmenu-accordion-header-classic.opened:after {
+    content: "\2796"; }
+
+/* Slide down transition */
+.mainmenu-accordion-panel {
+  max-height: 0;
+  opacity: 1;
+  transition: max-height 0.2s ease-out; }
+
 /* COLORS */
 /* Attributes */
 #terminal-container {
@@ -1294,16 +1320,6 @@ a:visited {
   border: 5px solid var(--my-highlight-color);
   width: 70%;
   max-height: 80%;
-  /*
-    margin: auto;
-    height:auto;
-    max-height:80%;
-    position:absolute;
-    top:0;
-    left:0;
-    bottom:0;
-    right:0;
-    */
   overflow-y: auto;
   color: var(--my-font-color); }
 

doc/source/netscriptfunctions.rst

@@ -779,20 +779,20 @@ write
 
 .. js:function:: write(port/fn, data="", mode="a")
 
-    :param string/number port/fn: Port or text file that will be written to
+    :param string/number port/fn: Port or text file/script that will be written to
     :param string data: Data to write
-    :param string mode: Defines the write mode. Only valid when writing to text files.
+    :param string mode: Defines the write mode. Only valid when writing to text files or scripts.
 
-    This function can be used to either write data to a port or to a text file (.txt).
+    This function can be used to either write data to a port, a text file (.txt), or a script (.script, .js, .ns)
 
-    If the first argument is a number between 1 and 10, then it specifies a port and this function will write *data* to that port. Read
+    If the first argument is a number between 1 and 20, then it specifies a port and this function will write *data* to that port. Read
-    about how `Netscript Ports work here <http://bitburner.wikia.com/wiki/Netscript_Ports>`_. The third argument, *mode*, is not used
+    about how :ref:`netscript_ports` work here. The third argument, *mode*, is not used
     when writing to a port.
 
-    If the first argument is a string, then it specifies the name of a text file (.txt) and this function will write *data* to that text file. If the
+    If the first argument is a string, then it specifies the name of a text file or script and this function will write *data* to that text file/script. If the
-    specified text file does not exist, then it will be created. The third argument *mode*, defines how the data will be written to the text file. If *mode*
+    specified text file/script does not exist, then it will be created. The third argument *mode*, defines how the data will be written. If *mode*
-    is set to "w", then the data is written in "write" mode which means that it will overwrite all existing data on the text file. If *mode* is set to
+    is set to "w", then the data is written in "write" mode which means that it will overwrite all existing data on the text file/script. If *mode* is set to
-    any other value then the data will be written in "append" mode which means that the data will be added at the end of the text file.
+    any other value then the data will be written in "append" mode which means that the data will be added at the end of the file.
 
 tryWrite
 ^^^^^^^^
@@ -813,13 +813,13 @@ read
 
     :param string/number port/fn: Port or text file to read from
 
-    This function is used to read data from a port or from a text file (.txt).
+    This function is used to read data from a port, a text file (.txt), or a script (.script, .js, .ns)
 
-    If the argument *port/fn* is a number between 1 and 10, then it specifies a port and it will read data from that port. Read
+    If the argument *port/fn* is a number between 1 and 20, then it specifies a port and it will read data from that port. Read
-    about how `Netscript Ports work here <http://bitburner.wikia.com/wiki/Netscript_Ports>`_. A port is a serialized queue. This function
+    about how :ref:`netscript_ports` work here. A port is a serialized queue. This function
     will remove the first element from that queue and return it. If the queue is empty, then the string "NULL PORT DATA" will be returned.
 
-    If the argument *port/fn* is a string, then it specifies the name of a text file (.txt) and this function will return the data in the specified text file. If
+    If the argument *port/fn* is a string, then it specifies the name of a text file or script and this function will return the data in the specified text file/script. If
     the text file does not exist, an empty string will be returned.
 
 peek
@@ -827,12 +827,12 @@ peek
 
 .. js:function:: peek(port)
 
-    :param number port: Port to peek. Must be an integer between 1 and 10
+    :param number port: Port to peek. Must be an integer between 1 and 20
 
     This function is used to peek at the data from a port. It returns the first element in the specified port
     without removing that element. If the port is empty, the string "NULL PORT DATA" will be returned.
 
-    Read about how `Netscript Ports work here <http://bitburner.wikia.com/wiki/Netscript_Ports>`_.
+    Read about how :ref:`netscript_ports` work here
 
 clear
 ^^^^^
@@ -843,7 +843,7 @@ clear
 
     This function is used to clear data in a `Netscript Ports <http://bitburner.wikia.com/wiki/Netscript_Ports>`_ or a text file.
 
-    If the *port/fn* argument is a number between 1 and 10, then it specifies a port and will clear it (deleting all data from the underlying queue).
+    If the *port/fn* argument is a number between 1 and 20, then it specifies a port and will clear it (deleting all data from the underlying queue).
 
     If the *port/fn* argument is a string, then it specifies the name of a text file (.txt) and will delete all data from that text file.
 

doc/source/netscripthacknetnodeapi.rst

@@ -123,7 +123,10 @@ getLevelUpgradeCost
     :param number i: Index/Identifier of Hacknet Node
     :param number n: Number of levels to upgrade. Must be positive. Rounded to nearest integer
 
-    Returns the cost of upgrading the specified Hacknet Node by *n* levels
+    Returns the cost of upgrading the specified Hacknet Node by *n* levels.
+
+    If an invalid value for *n* is provided, then this function returns 0. If the
+    specified Hacknet Node is already at max level, then Infinity is returned.
 
 getRamUpgradeCost
 -----------------
@@ -134,6 +137,9 @@ getRamUpgradeCost
 
     Returns the cost of upgrading the RAM of the specified Hacknet Node *n* times.
 
+    If an invalid value for *n* is provided, then this function returns 0. If the
+    specified Hacknet Node is already at max RAM, then Infinity is returned.
+
 getCoreUpgradeCost
 ------------------
 .. js:function:: getCoreUpgradeCost(i, n)
@@ -143,6 +149,9 @@ getCoreUpgradeCost
 
     Returns the cost of upgrading the number of cores of the specified Hacknet Node by *n*.
 
+    If an invalid value for *n* is provided, then this function returns 0. If the
+    specified Hacknet Node is already at the max number of cores, then Infinity is returned. 
+
 Utilities
 ---------
 The following functions are not officially part of the Hacknet Node API, but they

index.html

@@ -2,7 +2,7 @@
 <html lang="en">
 <head>
     <meta charset="utf-8">
-    <title>Bitburner</title>
+    <title>Bitburner - development</title>
     <link rel="apple-touch-icon" sizes="180x180" href="dist/apple-touch-icon.png">
     <link rel="icon" type="image/png" sizes="32x32" href="dist/favicon-32x32.png">
     <link rel="icon" type="image/png" sizes="16x16" href="dist/favicon-16x16.png">
@@ -25,7 +25,7 @@
       ga('create', 'UA-100157497-1', 'auto');
       ga('send', 'pageview');
     </script>
-<link rel="shortcut icon" href="favicon.ico"><link href="dist/engine.css" rel="stylesheet"></head>
+<link rel="shortcut icon" href="favicon.ico"><link href="0.css" rel="stylesheet"><link href="dist/engine.css" rel="stylesheet"></head>
 <body>
     <div id="entire-game-container" style="visibility:hidden;">
     <div id="mainmenu-container">
@@ -33,73 +33,73 @@
         <ul id="mainmenu" class="mainmenu">
             <!-- Hacking dropdown -->
             <li id="hacking-menu-header-li">
-                <a id="hacking-menu-header" class="mainmenu-accordion-header"> Hacking </a>
+                <button id="hacking-menu-header" class="mainmenu-accordion-header"> Hacking </button>
             </li>
             <li id="terminal-tab" class="mainmenu-accordion-panel">
-                <a id="terminal-menu-link"> Terminal </a>
+                <button id="terminal-menu-link"> Terminal </button>
             </li>
             <li id="create-script-tab" class="mainmenu-accordion-panel">
-                <a id="create-script-menu-link"> Create Script </a>
+                <button id="create-script-menu-link"> Create Script </button>
             </li>
             <li id="active-scripts-tab" class="mainmenu-accordion-panel">
-                <a id="active-scripts-menu-link"> Active Scripts </a>
+                <button id="active-scripts-menu-link"> Active Scripts </button>
             </li>
             <li id="create-program-tab" class="mainmenu-accordion-panel">
-                <a id="create-program-menu-link"> Create Program </a>
+                <button id="create-program-menu-link"> Create Program </button>
                 <span id="create-program-notification" class="notification-off"> </span>
             </li>
 
             <!-- Character dropdown -->
             <li id="character-menu-header-li">
-                <a id="character-menu-header" class="mainmenu-accordion-header"> Character </a>
+                <button id="character-menu-header" class="mainmenu-accordion-header"> Character </button>
             </li>
             <li id="stats-tab" class="mainmenu-accordion-panel">
-                <a id="stats-menu-link"> Stats </a>
+                <button id="stats-menu-link"> Stats </button>
             </li>
             <li id="factions-tab" class="mainmenu-accordion-panel">
-                <a id="factions-menu-link"> Factions </a>
+                <button id="factions-menu-link"> Factions </button>
             </li>
             <li id="augmentations-tab" class="mainmenu-accordion-panel">
-                <a id="augmentations-menu-link" style="overflow: hidden; text-overflow: ellipsis; white-space: nowrap;"> Augmentations </a>
+                <button id="augmentations-menu-link" style="overflow: hidden; text-overflow: ellipsis; white-space: nowrap;"> Augmentations </button>
             </li>
             <li id="hacknet-nodes-tab" class="mainmenu-accordion-panel">
-                <a id="hacknet-nodes-menu-link"> Hacknet Nodes </a>
+                <button id="hacknet-nodes-menu-link"> Hacknet Nodes </button>
             </li>
 
             <!-- World dropdown -->
             <li id="world-menu-header-li">
-                <a id="world-menu-header" class="mainmenu-accordion-header">World</a>
+                <button id="world-menu-header" class="mainmenu-accordion-header">World</button>
             </li>
 			<li id="city-tab" class="mainmenu-accordion-panel">
-                <a id="city-menu-link"> City </a>
+                <button id="city-menu-link"> City </button>
             </li>
             <li id="travel-tab" class="mainmenu-accordion-panel">
-                <a id="travel-menu-link">Travel</a>
+                <button id="travel-menu-link"> Travel </button>
             </li>
             <li id="job-tab" class="mainmenu-accordion-panel">
-                <a id="job-menu-link">Job</a>
+                <button id="job-menu-link"> Job </button>
             </li>
             <li id="bladeburner-tab" class="mainmenu-accordion-panel">
-                <a id="bladeburner-menu-link"> Bladeburner </a>
+                <button id="bladeburner-menu-link"> Bladeburner </button>
             </li>
             <li id="corporation-tab" class="mainmenu-accordion-panel">
-                <a id="corporation-menu-link"> Corp </a>
+                <button id="corporation-menu-link"> Corp </button>
             </li>
             <li id="gang-tab" class="mainmenu-accordion-panel">
-                <a id="gang-menu-link"> Gang </a>
+                <button id="gang-menu-link"> Gang </button>
             </li>
 
             <li id="help-menu-header-li">
-                <a id="help-menu-header" class="mainmenu-accordion-header">Help</a>
+                <button id="help-menu-header" class="mainmenu-accordion-header"> Help </button>
             </li>
 			<li id="tutorial-tab" class="mainmenu-accordion-panel">
-				<a id="tutorial-menu-link"> Tutorial </a>
+				<button id="tutorial-menu-link"> Tutorial </button>
 			</li>
             <li id="options-tab" class="mainmenu-accordion-panel">
-                <a id="options-menu-link"> Options </a>
+                <button id="options-menu-link"> Options </button>
             </li>
             <li id="dev-tab" class="mainmenu-accordion-panel">
-                <a id="dev-menu-link"> Dev </a>
+                <button id="dev-menu-link"> Dev </button>
             </li>
         </ul>
     </div>
@@ -471,7 +471,8 @@
 
 	<!-- Tutorial content -->
 	<div id="tutorial-container" class="generic-menupage-container">
-        <a id="tutorial-getting-started-link" class="a-link-button" href="http://bitburner.wikia.com/wiki/Chapt3rs_Guide_to_Getting_Started_with_Bitburner" target="_blank"> Getting Started </a>
+        <a id="tutorial-getting-started-link" class="a-link-button"
+           href="http://bitburner.wikia.com/wiki/Chapt3rs_Guide_to_Getting_Started_with_Bitburner" target="_blank"> Getting Started </a>
         <a id="tutorial-networking-link" class="a-link-button"> Servers & Networking </a>
         <a id="tutorial-hacking-link" class="a-link-button"> Hacking </a>
         <a id="tutorial-scripts-link" class="a-link-button"> Scripts </a>
@@ -480,7 +481,8 @@
         <a id="tutorial-jobs-link" class="a-link-button"> Companies and Infiltration </a>
         <a id="tutorial-factions-link" class="a-link-button"> Factions </a>
         <a id="tutorial-augmentations-link" class="a-link-button"> Augmentations </a>
-        <a id="tutorial-shortcuts-link" class="a-link-button" href="https://bitburner.wikia.com/wiki/Shortcuts" target="_blank"> Keyboard Shortcuts </a>
+        <a id="tutorial-shortcuts-link" class="a-link-button"
+            href="https://bitburner.wikia.com/wiki/Shortcuts" target="_blank"> Keyboard Shortcuts </a>
 
         <a id="tutorial-back-button" class="a-link-button"> Back </a>
         <p id="tutorial-text"> </p>

src/Constants.js

@@ -510,6 +510,7 @@ let CONSTANTS = {
      * Added new Coding Contracts mechanic. Solve programming problems to earn rewards
      * (TODO NEEDS DOCUMENTATION) The write() and read() Netscript functions now work on scripts
      * Added bladeburner.getActionRepGain() function to the Netscript Bladeburner API
+     * The getLevelUpgradeCost(), getRamUpgradeCost(), and getCoreUpgradeCost() functions in the Hacknet API now return Infinity if the node is at max level. See documentation
      * It is now possible to use freely use angled bracket (<, >) and create DOM elements using tprint()
      * The game's theme colors can now be set through the Terminal configuration (.fconf).
      * You can now switch to the old left-hand main menu bar through the Terminal configuration (.fconf)

src/HacknetNode.js

@@ -87,6 +87,10 @@ HacknetNode.prototype.calculateLevelUpgradeCost = function(levels=1) {
         return 0;
     }
 
+    if (this.level >= CONSTANTS.HacknetNodeMaxLevel) {
+        return Infinity;
+    }
+
     var mult = CONSTANTS.HacknetNodeUpgradeLevelMult;
     var totalMultiplier = 0; //Summed
     var currLevel = this.level;
@@ -133,6 +137,10 @@ HacknetNode.prototype.calculateRamUpgradeCost = function(levels=1) {
         return 0;
     }
 
+    if (this.ram >= CONSTANTS.HacknetNodeMaxRam) {
+        return Infinity;
+    }
+
     let totalCost = 0;
     let numUpgrades = Math.round(Math.log2(this.ram));
     let currentRam = this.ram;
@@ -189,6 +197,10 @@ HacknetNode.prototype.calculateCoreUpgradeCost = function(levels=1) {
         return 0;
     }
 
+    if (this.cores >= CONSTANTS.HacknetNodeMaxCores) {
+        return Infinity;
+    }
+
     const coreBaseCost  = CONSTANTS.BaseCostForHacknetNodeCore;
     const mult          = CONSTANTS.HacknetNodeUpgradeCoreMult;
     let totalCost       = 0;

src/engine.js

@@ -1158,7 +1158,7 @@ const Engine = {
 
         if (Engine.Counters.contractGeneration <= 0) {
             // X% chance of a contract being generated
-            if (Math.random() < 0.23) {
+            if (Math.random() <= 0.25) {
                 // First select a random problem type
                 const problemTypes = Object.keys(CodingContractTypes);
                 let randIndex = getRandomInt(0, problemTypes.length - 1);