litecoinj

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To get started, ensure you have the latest JDK installed, and download Maven from:

http://maven.apache.org/

Then run "mvn clean package" to compile the software. You can also run "mvn site:site" to generate a website with useful information like JavaDocs. The outputs are under the target/ directory.

Now try running one of the example apps:

cd examples mvn exec:java -Dexec.mainClass=com.google.litecoin.examples.PingService

It will download the block chain and eventually print a Litecoin address. If you send coins to it, you should get them back a few minutes later when a block is solved.

You can also use a command line tool that exposes basic Litecoin operations

On UNIX: cd tools ./wallet-tool

On other platforms, do what the shell script would do for you: cd tools mvn -q package -DskipTests java -jar target/litecoinj-tools-*.jar --help

Note that if you connect to a node that is itself downloading the block chain, you will see very slow progress (1 block per second or less). Find a node that isn't heavily loaded to connect to.

If you get a SocketDisconnectedException, the node you've connected to has its max send buffer set to low (unfortunately the default is too low). Connect to a node that has a bigger send buffer, settable by passing -maxsendbuffer=25600 to the Litecoin C++ software.

To regenerate the protobuf Java sources from src/litecoin.proto, install the protobuf compiler package version 2.4.x:

Debian/Ubuntu: apt-get install protobuf-compiler

Windows: http://code.google.com/p/protobuf/downloads/list

OSX: install from ports?

and regenerate:

mvn clean package -DupdateProtobuf

For eclipse use the maven plugin and run:

mvn eclipse:eclipse