The xchange from mread

XChange

A Financial Exchange Library for Java

Important!

The world of Bitcoin changes quickly and XChange is no exception. The best way to stay updated on important announcements is to follow tweets on Xeiam's Twitter page. For the latest bugfixes and features you should use the [snapshot jars] (https://oss.sonatype.org/content/groups/public/com/xeiam/xchange/) or build yourself from the DEVELOP branch. See below for more details about building with Maven. To report bugs and see what issues people are currently working on see the issues page.

Description

XChange is a library providing a simple and consistent API for interacting with a diverse set of financial security exchanges, including support for Bitcoin.

A complete list of implemented exchanges, data providers and brokers can be found on our Exchange Support page.

Usage is very simple: Create an Exchange instance, get the appropriate service, and request data.

Example

// Use the factory to get the version 2 MtGox exchange API using default settings
Exchange mtGox = ExchangeFactory.INSTANCE.createExchange("com.xeiam.xchange.mtgox.v2.MtGoxExchange");

// Interested in the public polling market data feed (no authentication)
PollingMarketDataService marketDataService = mtGox.getPollingMarketDataService();

// Get the latest ticker data showing BTC to USD
Ticker ticker = marketDataService.getTicker(Currencies.BTC, Currencies.USD);

System.out.println(ticker.toString());

All exchange implementations expose the same API, but you can also directly access the raw data.

Now go ahead and study some more examples, download the thing and provide feedback.

Features

MIT license
consistent API across all implemented exchanges
active development
very minimal 3rd party dependencies
modular components
polling and streaming capability

More Info

Project Site: http://xeiam.com/xchange.jsp
Example Code: http://xeiam.com/xchange_examplecode.jsp
Change Log: http://xeiam.com/xchange_changelog.jsp
Java Docs: http://xeiam.com/xchange/javadoc/index.html

Wiki

Home: https://github.com/timmolter/XChange/wiki
Design Notes: https://github.com/timmolter/XChange/wiki/Design-Notes
Milestones: https://github.com/timmolter/XChange/wiki/Milestones
Exchange Support: https://github.com/timmolter/XChange/wiki/Exchange-support
New Implementation Best Practices: https://github.com/timmolter/XChange/wiki/New-Implementation-Best-Practices

Continuous Integration

Build History

Getting Started

XChange is semantically versioned: http://semver.org

Non-Maven

Download XChange Release Jars: http://xeiam.com/xchange.jsp Download XChange Snapshot Jars: https://oss.sonatype.org/content/groups/public/com/xeiam/xchange/

Compile Dependencies

+- org.java-websocket:Java-WebSocket:jar:1.3.0:compile
+- org.slf4j:slf4j-api:jar:1.7.5:compile
+- org.joda:joda-money:jar:0.9:compile
\- com.github.mmazi:rescu:jar:1.5.0:compile
    +- com.fasterxml.jackson.core:jackson-core:jar:2.1.1:compile
    +- com.fasterxml.jackson.core:jackson-annotations:jar:2.1.1:compile
    +- com.fasterxml.jackson.core:jackson-databind:jar:2.1.1:compile
    +- javax.ws.rs:jsr311-api:jar:1.1.1:compile
    \- com.google.code.findbugs:jsr305:jar:2.0.1:compile

Test Dependencies

+- junit:junit:jar:4.11:test
|    \- org.hamcrest:hamcrest-core:jar:1.3:test
\- org.easytesting:fest-assert-core:jar:2.0M10:test
    \- org.easytesting:fest-util:jar:1.2.5:test

Other Dependencies for Some Examples

+- ch.qos.logback:logback-classic:jar:1.0.13:runtime
|    \- ch.qos.logback:logback-core:jar:1.0.13:runtime
+- com.xeiam.xchart:xchart:jar:2.2.1:compile

Maven

The XChange release artifacts are hosted on Maven Central.

Add the following dependencies in your pom.xml file. You will need at least xchange-core. Add the additional dependencies for the exchange implementations you are interested in. There is example code for all the implementations in xchange-examples.

<dependency>
  <groupId>com.xeiam.xchange</groupId>
  <artifactId>xchange-core</artifactId>
  <version>1.10.0</version>
</dependency>
<dependency>
  <groupId>com.xeiam.xchange</groupId>
  <artifactId>xchange-examples</artifactId>
  <version>1.10.0</version>
</dependency>
<dependency>
  <groupId>com.xeiam.xchange</groupId>
  <artifactId>xchange-bitcoincharts</artifactId>
  <version>1.10.0</version>
</dependency>
<dependency>
  <groupId>com.xeiam.xchange</groupId>
  <artifactId>xchange-bitcurex</artifactId>
  <version>1.10.0</version>
</dependency>
<dependency>
  <groupId>com.xeiam.xchange</groupId>
  <artifactId>xchange-bitstamp</artifactId>
  <version>1.10.0</version>
</dependency>  
<dependency>
  <groupId>com.xeiam.xchange</groupId>
  <artifactId>xchange-blockchain</artifactId>
  <version>1.10.0</version>
</dependency>  
<dependency>
  <groupId>com.xeiam.xchange</groupId>
  <artifactId>xchange-btcchina</artifactId>
  <version>1.10.0</version>
</dependency> 
<dependency>
  <groupId>com.xeiam.xchange</groupId>
  <artifactId>xchange-btce</artifactId>
  <version>1.10.0</version>
</dependency>
<dependency>
  <groupId>com.xeiam.xchange</groupId>
  <artifactId>xchange-campbx</artifactId>
  <version>1.10.0</version>
</dependency>
<dependency>
  <groupId>com.xeiam.xchange</groupId>
  <artifactId>xchange-cavirtex</artifactId>
  <version>1.10.0</version>
</dependency>
<dependency>
  <groupId>com.xeiam.xchange</groupId>
  <artifactId>xchange-kraken</artifactId>
  <version>1.10.0</version>
</dependency>
<dependency>
  <groupId>com.xeiam.xchange</groupId>
  <artifactId>xchange-mtgox</artifactId>
  <version>1.10.0</version>
</dependency>
<dependency>
  <groupId>com.xeiam.xchange</groupId>
  <artifactId>xchange-openexchangerates</artifactId>
  <version>1.10.0</version>
</dependency>

For snapshots, add the following repository to your pom.xml file.

<repository>
  <id>sonatype-oss-snapshot</id>
  <snapshots/>
  <url>https://oss.sonatype.org/content/repositories/snapshots</url>
</repository>

The current snapshot version is:

2.0.0-SNAPSHOT

Building with Maven

install in local Maven repo: mvn clean install
create project javadocs: mvn javadoc:aggregate
run integration tests: mvn clean integration-test -P run-integration-tests
generate dependency tree: mvn dependency:tree
create jar files with dependencies (-with-dependencies.jar): mvn install
check/update all header files: mvn license:check and mvn license:format

Bugs

Please report any bugs or submit feature requests to XChange's Github issue tracker.

Contributing

If you'd like to submit a new implementation for another exchange, please take a look at New Implementation Best Practices first, as there are lots of time-saving tips!

For more information such as a contributor list and a list of known projects depending on XChange, visit the Main Project Wiki.

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