Zeppelin integrates with `Truffle <https://github.com/ConsenSys/truffle/>`_, an Ethereum development environment. Please install Truffle and initialize your project with ``truffle init``::
OpenZeppelin integrates with `Truffle <https://github.com/ConsenSys/truffle/>`_, an Ethereum development environment. Please install Truffle and initialize your project with ``truffle init``::
npm install -g truffle
mkdir myproject && cd myproject
truffle init
To install the Zeppelin library, run::
To install the OpenZeppelin library, run::
npm i zeppelin-solidity
npm install zeppelin-solidity
After that, you'll get all the library's contracts in the `node_modules/zeppelin-solidity/contracts` folder. You can use the contracts in the library like so::
# If you are using yarn, add dependency like this -
yarn add zeppelin-solidity
NOTE: The current distribution channel is npm, which is not ideal. `We're looking into providing a better tool for code distribution <https://github.com/OpenZeppelin/zeppelin-solidity/issues/13/>`_ , and ideas are welcome.
Truffle Beta Support
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We also support Truffle Beta npm integration. If you're using Truffle Beta, the contracts in ``node_modules`` will be enough, so feel free to delete the copies at your ``contracts`` folder. If you're using Truffle Beta, you can use Zeppelin contracts like so::
After that, you'll get all the library's contracts in the `node_modules/zeppelin-solidity/contracts` folder. You can use the contracts in the library like so::