BitcoinZ Wallet 2.0.10

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Security Warnings

BitcoinZ is experimental and a work-in-progress. Use at your own risk.
BitcoinZ Full Node Desktop GUI Wallet is based on ZENCash Desktop GUI Wallet

Code was originally written by developer : Ivan Vaklinov ivan@vaklinov.com Taken from repository https://github.com/HorizenOfficial/zencash-swing-wallet-ui under an MIT license

BitcoinZ Desktop GUI Wallet

(See all BtcZ wallets here : https://getbtcz.com/btcz-wallets-analytical-information/)

Graphical user interface wrapper for the BTCZ-RPC command line tools

This program provides a Graphical User Interface (GUI) for the BitcoinZ client tools that acts as a wrapper and presents the information in a user-friendly manner.

New/Experimental: BitcoinZ Desktop GUI Wallet for Mac OS is available

New/Experimental: BitcoinZ Desktop GUI Wallet for Windows is available

Building, installing and running the Wallet GUI

Before installing the Desktop GUI Wallet you need to have BitcoinZ up and running. The following guide explains how to set up BitcoinZ.

For security reasons it is recommended to always build the GUI wallet program from GitHub source. The details of how to build it are described below (easy to follow).

1. Operating system and tools

   As of June 2017 (ZENCash v1.0.9) this program is mostly tested on Linux and Mac OS X (same limitation as ZENCash) with experimental support for Windows. The Linux tools you need to build and run the Wallet GUI are Git, Java (JDK7 or later) and Ant. If using Ubuntu Linux, they may be installed via command:

   user@ubuntu:~/build-dir$ sudo apt-get install git default-jdk ant
   

   For RedHat/CentOS/Fedora-type Linux systems the command is (like):

   user@centos:~/build-dir$ sudo yum install java-1.8.0-openjdk git ant
   

   The name of the JDK package (java-1.8.0-openjdk) may vary depending on the Linux system, so you need to check it, if name java-1.8.0-openjdk is not accepted. If you have some other Linux distribution, please check your relevant documentation on installing Git, JDK and Ant. The commands git, java, javac and ant need to be startable from command line before proceeding with build.

2. Building from source code

   As a start you need to clone the BitcoinZ-Wallet Git repository:

   git clone https://github.com/btcz/bitcoinz-wallet.git
   

   Change the current directory:

   cd bitcoinz-wallet/
   

   Issue the build command:

   ant -buildfile ./src/build/build.xml
   

   This takes a few seconds and when it finishes, it builds a JAR file ./build/jars/BitcoinZWallet.jar. You need to make this file executable:

   chmod u+x ./build/jars/Bitcoinzwallet.jar
   

   At this point the build process is finished the built GUI wallet program is the JAR file ./build/jars/BitcoinZWallet.jar

3. Installing the built BitcoinZ GUI wallet

   3.1. If you have built BitcoinZ from source code:

   Assuming you have already built from source code BitcoinZ in directory /home/user/bitcoinz/src (for example - this is the typical build dir. for bitcoinz v2.0.10) which contains the command line tools bitcoinz-cli and bitcoinzd you need to take the created file ./build/jars/BitcoinZWallet.jar and copy it to directory /home/user/bitcoinz/src (the same dir. that contains bitcoinz-cli and bitcoinzd). Example copy command:

   cp ./build/jars/BitcoinZWallet.jar /home/user/zen/src    
   

4. Running the installed BitcoinZ GUI wallet

   It may be run from command line or started from another GUI tool (e.g. file manager). Assuming you have already installed BitcoinZ and the GUI Wallet BitcoinZWallet.jar in directory /home/user/bitcoinz/src one way to run it from command line is:

   java -jar /home/user/bitcoinz/src/BitcoinZWallet.jar
   

   If you are using Ubuntu (or similar ;) Linux you may instead just use the file manager and right-click on the BitcoinZWallet.jar file and choose the option "Open with OpenJDK 8 Runtime". This will start the BitcoinZ GUI wallet.

   Important: the BitcoinZ configuration file ~/.bitcoinz/bitcoinz.conf needs to be correctly set up for the GUI wallet to work. Specifically the RPC user and password need to be set in it like:

   rpcuser=username
   rpcpassword=wjQOHVDQFLwztWp1Ehs09q7gdjHAXjd4E
   
   

License

This program is distributed under an MIT License.

Disclaimer

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

Known issues and limitations

1. Limitation: if two users exchange text messages via the messaging UI TAB and one of them has a system clock, substantially running slow or fast by more than 1 minute, it is possible that this user will see text messages appearing out of order.
2. Limitation: if a messaging identity has been created (happens on first click on the messaging UI tab), then replacing the wallet.dat or changing the node configuration between mainnet and testnet will make the identity invalid. This will result in a wallet update error. To remove the error the directory ~/.ZENCashSwingWalletUI/messaging may be manually renamed or deleted (when the wallet is stopped). CAUTION: all messaging history will be lost in this case!
3. Limitation: Wallet encryption has been temporarily disabled in ZENCash due to stability problems. A corresponding issue #1552 has been opened by the zcash developers. Correspondingly wallet encryption has been temporarily disabled in the ZENCash Desktop GUI Wallet.
4. Issue: GUI data tables (transactions/addresses etc.) allow copying of data via double click but also allow editing. The latter needs to be disabled.
5. Limitation: The list of transactions does not show all outgoing ones (specifically outgoing Z address transactions). A corresponding issue #1438 has been opened for the zcash developers.
6. Limitation: The CPU percentage shown to be taken by zend on Linux is the average for the entire lifetime of the process. This is not very useful. This will be improved in future versions.
7. Limitation: When using a natively compiled wallet version (e.g. ZENCashSwingWalletUI.exe for Windows) on a very high resolution monitor with a specifically configured DPI scaling (enlargement) factor to make GUI elements look larger, the GUI elements of the wallet actually do not scale as expected. To correct this on Windows you need to right-click on ZENCashSwingWalletUI.exe and choose option:

Properties >> Compatibility >> Override High DPI scaling behavior >> Scaling Performed by (Application)

Example: