Added unit test for dynamic loading of contracts jar.

.gitignore

@@ -5,6 +5,7 @@ TODO
 .gradle
 /build/
 /contracts/build
+/sandbox/build
 /core/build
 /docs/build/doctrees
 

sandbox/build.gradle

@@ -0,0 +1,22 @@
+buildscript {
+    repositories {
+        mavenCentral()
+    }
+
+    dependencies {
+        classpath "com.google.guava:guava:19.0"
+    }
+}
+
+apply plugin: 'java'
+apply plugin: 'kotlin'
+
+repositories {
+    mavenCentral()
+}
+
+dependencies {
+    testCompile 'junit:junit:4.12'
+
+    compile project(':core')
+}

sandbox/src/test/kotlin/LoaderTests.kt

@@ -0,0 +1,20 @@
+import core.Contract
+import core.crypto.SecureHash
+import org.junit.Test
+import java.net.URL
+import java.net.URLClassLoader
+import kotlin.test.assertEquals
+
+class LoaderTests {
+
+    @Test
+    fun loadContracts() {
+        var child = URLClassLoader(arrayOf(URL("file", "", "../contracts/build/libs/contracts.jar")))
+
+        var contractClass = Class.forName("contracts.Cash", true, child)
+        var contract = contractClass.newInstance() as Contract
+
+        assertEquals(SecureHash.sha256("https://www.big-book-of-banking-law.gov/cash-claims.html"), contract.legalContractReference)
+    }
+
+}

settings.gradle

@@ -1,3 +1,4 @@
 rootProject.name = 'r3prototyping'
 include 'contracts'
-include 'core'
+include 'core'
+include 'sandbox'