diff --git a/README.md b/README.md
index 1a72c83..4657639 100644
--- a/README.md
+++ b/README.md
@@ -1,8 +1,11 @@
# zold-java-client
+[](https://www.0crat.com/p/GFCHY7NQG)
+
[](https://travis-ci.org/amihaiemil/zold-java-client)
[](https://coveralls.io/github/amihaiemil/zold-java-client?branch=master)
+[](https://www.0crat.com/contrib/GFCHY7NQG)
[](http://www.rultor.com/p/amihaiemil/zold-java-client)
[](https://www.jetbrains.com/idea/)
@@ -34,3 +37,10 @@ Make sure the maven build:
passes before making a PR. [Checkstyle](http://checkstyle.sourceforge.net/) will make sure
you're following our code style and guidlines.
+
+This project is managed by [Zerocracy](http://www.zerocracy.com/), see the
+[Policy](http://www.zerocracy.com/policy.html) for more details.
+
+Note that we do not have Zerocracy QAs, yet we still try to adhere to the [QA
+ rules](http://www.zerocracy.com/policy.html#42) as much as possible (we won't block any PRs for cosmetic stuff such
+ as commit messages, though).
\ No newline at end of file
diff --git a/src/main/java/com/amihaiemil/zold/RestfulZoldWts.java b/src/main/java/com/amihaiemil/zold/RestfulZoldWts.java
new file mode 100644
index 0000000..a494c22
--- /dev/null
+++ b/src/main/java/com/amihaiemil/zold/RestfulZoldWts.java
@@ -0,0 +1,89 @@
+/**
+ * Copyright (c) 2019, Mihai Emil Andronache
+ * All rights reserved.
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * 1)Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 2)Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ * 3)Neither the name of zold-java-client nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+package com.amihaiemil.zold;
+
+import java.net.URI;
+
+import org.apache.http.client.HttpClient;
+import org.apache.http.impl.client.HttpClients;
+
+/**
+ * RESTful Zold network entry point.
+ * @author Mihai Andronache (amihaiemil@gmail.com)
+ * @version $Id$
+ * @since 0.0.1
+ * @todo #11:30min implement body of interface methods.
+ */
+public final class RestfulZoldWts implements ZoldWts {
+
+ /**
+ * Apache HttpClient which sends the requests.
+ */
+ private final HttpClient client;
+
+ /**
+ * Base URI.
+ */
+ private final URI baseUri;
+
+ /**
+ * Constructor.
+ * @param baseUri Base URI.
+ */
+ public RestfulZoldWts(final URI baseUri) {
+ this(
+ HttpClients.custom()
+ .setMaxConnPerRoute(10)
+ .setMaxConnTotal(10)
+ .build(),
+ baseUri
+ );
+ }
+
+ /**
+ * Constructor. We recommend you to use the simple constructor
+ * and let us configure the HttpClient for you.
+ * Use this constructor only if you know what you're doing.
+ *
+ * @param client Given HTTP Client.
+ * @param baseUri Base URI.
+ */
+ public RestfulZoldWts(final HttpClient client, final URI baseUri) {
+ this.client = client;
+ this.baseUri = baseUri;
+ }
+
+ /**
+ * Pull the wallet from the network.
+ * @return Wallet object.
+ * @todo #11:30min should avoid using null
+ * (it's here for now till the body is implemented)
+ * maybe should throw an exception when pull fails too
+ */
+ public Wallet pull() {
+ return null;
+ }
+}
diff --git a/src/main/java/com/amihaiemil/zold/UserAgentRequestHeader.java b/src/main/java/com/amihaiemil/zold/UserAgentRequestHeader.java
new file mode 100644
index 0000000..39148a3
--- /dev/null
+++ b/src/main/java/com/amihaiemil/zold/UserAgentRequestHeader.java
@@ -0,0 +1,95 @@
+/**
+ * Copyright (c) 2019, Mihai Emil Andronache
+ * All rights reserved.
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * 1)Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 2)Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ * 3)Neither the name of zold-java-client nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+package com.amihaiemil.zold;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.util.Collections;
+import java.util.Properties;
+import org.apache.http.HttpHeaders;
+import org.apache.http.client.protocol.RequestDefaultHeaders;
+import org.apache.http.message.BasicHeader;
+
+/**
+ * User Agent Request Header Interceptor.
+ * @author Ammar Atef (a_atef45@yahoo.com)
+ * @version $Id$
+ * @since 0.0.1
+ * @todo #7:30min We should use this class wherever we are
+ * instantiating an HttpClient in order to send the User-Agent
+ * HTTP header.
+ */
+final class UserAgentRequestHeader extends RequestDefaultHeaders {
+
+ /**
+ * Config properties file.
+ */
+ private static final String CONFIG_FILE = "config.properties";
+
+ /**
+ * Version property key.
+ */
+ private static final String VERSION_KEY = "build.version";
+
+ /**
+ * Ctor.
+ */
+ UserAgentRequestHeader() {
+ super(Collections.singletonList(
+ new BasicHeader(
+ HttpHeaders.USER_AGENT,
+ String.join(
+ " ",
+ "zold-java-client /",
+ version(),
+ "See https://github.com/amihaiemil/zold-java-client"
+ )
+ )
+ ));
+ }
+
+ /**
+ * Read current version from property file.
+ * @return Build version.
+ */
+ private static String version() {
+ final ClassLoader loader =
+ Thread.currentThread().getContextClassLoader();
+ final String version;
+ final Properties properties = new Properties();
+ try (final InputStream inputStream =
+ loader.getResourceAsStream(CONFIG_FILE)){
+ properties.load(inputStream);
+ version = properties.getProperty(VERSION_KEY);
+ } catch (final IOException exception) {
+ throw new RuntimeException(
+ String.format("Missing %s file.", CONFIG_FILE)
+ );
+ }
+ return version;
+ }
+
+}
diff --git a/src/main/java/com/amihaiemil/zold/Wallet.java b/src/main/java/com/amihaiemil/zold/Wallet.java
new file mode 100644
index 0000000..2559c32
--- /dev/null
+++ b/src/main/java/com/amihaiemil/zold/Wallet.java
@@ -0,0 +1,33 @@
+package com.amihaiemil.zold;
+
+/**
+ * Zold Wallet.
+ * @author Ammar Atef (ammar.atef45@gmail.com)
+ * @version $Id$
+ * @since 0.0.1
+ */
+public interface Wallet {
+ /**
+ * Get the balance of the wallet.
+ * @return Balance
+ */
+ double balance();
+
+ /**
+ * Pay to another wallet.
+ * @param keygap Sender keygap
+ * @param user Recipient user id
+ * @param amount Amount to be sent
+ * @param details The details of transfer
+ * @todo #11:30min solve checkstyle paramternumber error either by cahnging the
+ * method structure or supressing the warning
+ */
+ void pay(String keygap, String user, double amount, String details);
+
+ /**
+ * Finds all payments that match this query and returns.
+ * @param id Wallet id
+ * @param details Regex of payment details
+ */
+ void find(String id, String details);
+}
diff --git a/src/main/java/com/amihaiemil/zold/ZoldWts.java b/src/main/java/com/amihaiemil/zold/ZoldWts.java
new file mode 100644
index 0000000..503f1c2
--- /dev/null
+++ b/src/main/java/com/amihaiemil/zold/ZoldWts.java
@@ -0,0 +1,41 @@
+/**
+ * Copyright (c) 2019, Mihai Emil Andronache
+ * All rights reserved.
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * 1)Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 2)Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ * 3)Neither the name of zold-java-client nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+package com.amihaiemil.zold;
+
+/**
+ * Zold network entry point.
+ * @author Mihai Andronache (amihaiemil@gmail.com)
+ * @version $Id$
+ * @since 0.0.1
+ */
+public interface ZoldWts {
+ /**
+ * Pull the wallet from the network.
+ * @return Wallet object.
+ */
+ Wallet pull();
+
+}
diff --git a/src/main/java/com/amihaiemil/zold/placeholder.md b/src/main/java/com/amihaiemil/zold/placeholder.md
deleted file mode 100644
index 98e42ce..0000000
--- a/src/main/java/com/amihaiemil/zold/placeholder.md
+++ /dev/null
@@ -1 +0,0 @@
-placeholder for src/test/resources
diff --git a/src/main/resources/config.properties b/src/main/resources/config.properties
new file mode 100644
index 0000000..9b2807d
--- /dev/null
+++ b/src/main/resources/config.properties
@@ -0,0 +1 @@
+build.version=${project.version}
diff --git a/src/test/java/com/amihaiemil/zold/RestfulWtsTestCase.java b/src/test/java/com/amihaiemil/zold/RestfulWtsTestCase.java
new file mode 100644
index 0000000..f7d524f
--- /dev/null
+++ b/src/test/java/com/amihaiemil/zold/RestfulWtsTestCase.java
@@ -0,0 +1,52 @@
+/**
+ * Copyright (c) 2019, Mihai Emil Andronache
+ * All rights reserved.
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * 1)Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 2)Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ * 3)Neither the name of zold-java-client nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+package com.amihaiemil.zold;
+
+import java.net.URI;
+
+import org.hamcrest.MatcherAssert;
+import org.hamcrest.Matchers;
+import org.junit.Test;
+
+/**
+ * Unit tests for {@link RestfulZoldNet}.
+ * @author Mihai Andronache (amihaiemil@gmail.com)
+ * @version $Id$
+ * @since 0.0.1
+ */
+public final class RestfulWtsTestCase {
+
+ /**
+ * {@link RestfulWts} can be instantiated.
+ */
+ @Test
+ public void isInstantiated() {
+ MatcherAssert.assertThat(
+ new RestfulZoldWts(URI.create("localhost:8080/zold")),
+ Matchers.instanceOf(ZoldWts.class)
+ );
+ }
+}
diff --git a/src/test/java/com/amihaiemil/zold/placeholder.md b/src/test/java/com/amihaiemil/zold/placeholder.md
deleted file mode 100644
index 98e42ce..0000000
--- a/src/test/java/com/amihaiemil/zold/placeholder.md
+++ /dev/null
@@ -1 +0,0 @@
-placeholder for src/test/resources