From bfd00e3b08f6db4ac3e256d0ab90b2a7870c41a7 Mon Sep 17 00:00:00 2001
From: Robert Valentyne <valentyne.robert@gmail.com>
Date: Sun, 17 Dec 2017 21:12:25 +0000
Subject: [PATCH] Initial commit

---
 .gitignore                            | 22 +------
 examples-java.iml                     | 12 ++++
 src/io/github/rob__/Domain.java       | 83 +++++++++++++++++++++++++++
 src/io/github/rob__/HelloWorld.java   | 12 ++++
 src/io/github/rob__/LockContract.java | 18 ++++++
 5 files changed, 126 insertions(+), 21 deletions(-)
 create mode 100644 examples-java.iml
 create mode 100644 src/io/github/rob__/Domain.java
 create mode 100644 src/io/github/rob__/HelloWorld.java
 create mode 100644 src/io/github/rob__/LockContract.java

diff --git a/.gitignore b/.gitignore
index 6143e53..e3ed2b0 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,22 +1,2 @@
-# Compiled class file
 *.class
-
-# Log file
-*.log
-
-# BlueJ files
-*.ctxt
-
-# Mobile Tools for Java (J2ME)
-.mtj.tmp/
-
-# Package Files #
-*.jar
-*.war
-*.ear
-*.zip
-*.tar.gz
-*.rar
-
-# virtual machine crash logs, see http://www.java.com/en/download/help/error_hotspot.xml
-hs_err_pid*
+.idea
\ No newline at end of file
diff --git a/examples-java.iml b/examples-java.iml
new file mode 100644
index 0000000..0d9143e
--- /dev/null
+++ b/examples-java.iml
@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<module type="JAVA_MODULE" version="4">
+  <component name="NewModuleRootManager" inherit-compiler-output="true">
+    <exclude-output />
+    <content url="file://$MODULE_DIR$">
+      <sourceFolder url="file://$MODULE_DIR$/src" isTestSource="false" />
+    </content>
+    <orderEntry type="inheritedJdk" />
+    <orderEntry type="sourceFolder" forTests="false" />
+    <orderEntry type="library" name="neo-devpack-java-2.3.0" level="project" />
+  </component>
+</module>
\ No newline at end of file
diff --git a/src/io/github/rob__/Domain.java b/src/io/github/rob__/Domain.java
new file mode 100644
index 0000000..3d9c6ca
--- /dev/null
+++ b/src/io/github/rob__/Domain.java
@@ -0,0 +1,83 @@
+package io.github.rob__;
+
+import org.neo.smartcontract.framework.SmartContract;
+import org.neo.smartcontract.framework.services.neo.Blockchain;
+import org.neo.smartcontract.framework.services.neo.Runtime;
+import org.neo.smartcontract.framework.services.neo.Storage;
+
+public class Domain extends SmartContract {
+
+    public static Object Main(String operation, Object[] args) {
+        String domain = (String) args[0];
+
+        if (operation == "query") {
+            return Query(domain);
+        }
+
+        if (operation == "register") {
+            return Register(domain, (byte[]) args[1]);
+        }
+
+        if (operation == "transfer") {
+            return Transfer(domain, (byte[]) args[1]);
+        }
+
+        if (operation == "delete") {
+            return Delete(domain);
+        }
+
+        return false;
+    }
+
+    private static byte[] Query(String domain) {
+        return Storage.get(Storage.currentContext(), domain);
+    }
+
+    private static boolean Register(String domain, byte[] owner) {
+        if (!Runtime.checkWitness(owner)) {
+            return false;
+        }
+
+        byte[] value = Storage.get(Storage.currentContext(), domain);
+        if (value != null) {
+            return false;
+        }
+
+        Storage.put(Storage.currentContext(), domain, owner);
+        return true;
+    }
+
+    private static boolean Transfer(String domain, byte[] to) {
+        if (!Runtime.checkWitness(to)) {
+            return false;
+        }
+
+        byte[] from = Storage.get(Storage.currentContext(), domain);
+
+        if (from == null) {
+            return false;
+        }
+
+        if (!Runtime.checkWitness(from)) {
+            return false;
+        }
+
+        Storage.put(Storage.currentContext(), domain, to);
+        return true;
+    }
+
+    private static boolean Delete(String domain) {
+        byte[] owner = Storage.get(Storage.currentContext(), domain);
+
+        if (owner == null) {
+            return false;
+        }
+
+        if (!Runtime.checkWitness(owner)) {
+            return false;
+        }
+
+        Storage.delete(Storage.currentContext(), domain);
+        return true;
+    }
+}
diff --git a/src/io/github/rob__/HelloWorld.java b/src/io/github/rob__/HelloWorld.java
new file mode 100644
index 0000000..e20bfb5
--- /dev/null
+++ b/src/io/github/rob__/HelloWorld.java
@@ -0,0 +1,12 @@
+package io.github.rob__;
+
+import org.neo.smartcontract.framework.SmartContract;
+import org.neo.smartcontract.framework.services.neo.Storage;
+
+public class HelloWorld extends SmartContract {
+
+    public static byte[] Main(String[] args) {
+        Storage.put(Storage.currentContext(), "Greeting", "Hello World!");
+        return Storage.get(Storage.currentContext(), "Greeting");
+    }
+}
diff --git a/src/io/github/rob__/LockContract.java b/src/io/github/rob__/LockContract.java
new file mode 100644
index 0000000..aa8eefa
--- /dev/null
+++ b/src/io/github/rob__/LockContract.java
@@ -0,0 +1,18 @@
+package io.github.rob__;
+
+import org.neo.smartcontract.framework.SmartContract;
+import org.neo.smartcontract.framework.services.neo.Blockchain;
+import org.neo.smartcontract.framework.services.neo.Header;
+
+public class LockContract extends SmartContract {
+
+    public static boolean Main(int timestamp, byte[] publicKey, byte[] signature) {
+        Header header = Blockchain.getHeader(Blockchain.height());
+
+        if (header.timestamp() < timestamp) {
+            return false;
+        }
+
+        return verifySignature(signature, publicKey);
+    }
+}