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macOS Build Instructions and Notes

The commands in this guide should be executed in a Terminal application. The built-in one is located in

/Applications/Utilities/Terminal.app

Preparation

Install the macOS command line tools:

xcode-select --install

When the popup appears, click Install.

Then install Homebrew.

Dependencies

brew install automake berkeley-db4 libtool boost gmp miniupnpc pkg-config python qt libevent libnatpmp qrencode sqlite

If you run into issues, check Homebrew's troubleshooting page. See dependencies.md for a complete overview.

Berkeley DB

It is recommended to use Berkeley DB 4.8. If you have to build it yourself, you can use the installation script included in contrib/ like so:

./contrib/install_db4.sh .

from the root of the repository.

Note: You only need Berkeley DB if the wallet is enabled (see the section Disable-Wallet mode below).

Build Leprechain Core

  1. Clone the Leprechain Core source code:

    git clone https://github.com/Leprechain
cd leprechain

  2. Build Leprechain Core:

    Configure and build the headless Leprechain Core binaries as well as the GUI (if Qt is found).

    You can disable the GUI build by passing --without-gui to configure.

    ./autogen.sh
./configure
make

  3. It is recommended to build and run the unit tests:

    make check

  4. You can also create a .dmg that contains the .app bundle (optional):

    make deploy

disable-wallet mode

When the intention is to run only a P2P node without a wallet, Leprechain Core may be compiled in disable-wallet mode with:

./configure --disable-wallet

In this case there is no dependency on Berkeley DB 4.8 and SQLite.

Mining is also possible in disable-wallet mode using the getblocktemplate RPC call.

Running

Leprechain Core is now available at ./src/leprechaind

Before running, you may create an empty configuration file:

mkdir -p "/Users/${USER}/Library/Application Support/Leprechain"

touch "/Users/${USER}/Library/Application Support/Leprechain/leprechain.conf"

chmod 600 "/Users/${USER}/Library/Application Support/Leprechain/leprechain.conf"

The first time you run leprechaind, it will start downloading the blockchain. This process could take many hours, or even days on slower than average systems.

You can monitor the download process by looking at the debug.log file:

tail -f $HOME/Library/Application\ Support/Leprechain/debug.log

Other commands:

./src/leprechaind -daemon      # Starts the leprechain daemon.
./src/leprechain-cli --help    # Outputs a list of command-line options.
./src/leprechain-cli help      # Outputs a list of RPC commands when the daemon is running.

Notes

  • Tested on OS X 10.12 Sierra through macOS 10.15 Catalina on 64-bit Intel processors only.
  • Building with downloaded Qt binaries is not officially supported. See the notes in #7714.