@alice-network/zos-lib2.2.1 • Public • Published
ZeppelinOS is a platform to develop, deploy and operate smart contract projects on Ethereum and every other EVM and eWASM-powered blockchain.
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.
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:
> const ZWeb3 Contracts SimpleProject => // Initialize a web3 provider.> ZWeb3> // Load the contract.> const MyContract = Contracts> // Instantiate a project.> myProject = 'MyProject' from: await ZWeb3> // Create a proxy for the contract.> myProject> // Make a change on the contract, and compile it.> const MyContractUpgraded = Contracts> myProject
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