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JavaScript library for the ZeppelinOS smart contract platform.
ZeppelinOS is a platform to develop, deploy and operate smart contract projects on Ethereum and every other EVM and eWASM-powered blockchain.
This is the repository for the ZeppelinOS JavaScript library. It is mainly used
by the
zos
command-line interface,
which is the recommended way to use ZeppelinOS; but this library can also be
used directly to operate ZeppelinOS projects when a programmatic interface is
preferred or more flexibility and lower-level access is required.
First, install Node.js and npm. Then, install the ZeppelinOS JavaScript Library running:
npm install zos-lib
Suppose there is a contract called MyContract
in the file
contracts/MyContract.sol
, already compiled to
build/contracts/MyContract.json
, and that there is a development blockchain
network running locally in port 9545.
Open a Node.js console:
node
> const { ZWeb3, Contracts, SimpleProject } = require('zos-lib')
> // Initialize a web3 provider.
> ZWeb3.initialize("http://localhost:9545")
> // Load the contract.
> const MyContract = Contracts.getFromLocal('MyContract')
> // Instantiate a project.
> myProject = new SimpleProject('MyProject', { from: await ZWeb3.defaultAccount() })
> // Create a proxy for the contract.
> myProject.createProxy(MyContract).then(proxy => myProxy = proxy)
> // Make a change on the contract, and compile it.
> const MyContractUpgraded = Contracts.getFromLocal('MyContract')
> myProject.upgradeProxy(proxy, MyContractUpgraded)
If you find a security issue, please contact us at security@zeppelinos.org. We give rewards for reported issues, according to impact and severity.
TODO.
To contribute, join our community channel on Telegram where you can talk to all the ZeppelinOS developers, contributors, partners and users.
You can also follow the recent developments of the project in our blog and Twitter account.
MIT © Zeppelin
FAQs
JavaScript library for the ZeppelinOS smart contract platform
The npm package zos-lib receives a total of 1,569 weekly downloads. As such, zos-lib popularity was classified as popular.
We found that zos-lib demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 4 open source maintainers collaborating on the project.
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