- No, it is only when you require your upgradable contracts that you should use the ZeppelinOS framework; otherwise, it is better to use Truffle.
- No, you should not have constructors defined for your upgradable contracts, as contract initialization is performed via the Proxy contract.
- To achieve true decentralization, you need to ensure that future rule changes are not allowed in contract. Using the immutable property of blockchain, smart contracts are made immutable so that the logic or rules cannot be changed once deployed; however, using a ZeppelinOS-like framework, you can create contracts that can be upgraded in the future. This is a centralized form of control and not a decentralized form of control. When using upgradable contracts, your users cannot trust your model, as it can be changed at any time. Hence the ZeppelinOS framework should be used only when...
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You're reading from Mastering Blockchain Programming with Solidity
Jitendra Chittoda is a blockchain security engineer at ChainSecurity. His day job is to perform security audit on smart contracts and expose security vulnerabilities in Solidity and Scilla contracts. He has also developed a non-custodial, decentralized, P2P lending contracts for ETHLend. The Solidity contracts that he has developed or audited handle over $100 million worth of cryptoassets. He also served as a tech and security advisor in various ICO projects.
Before finding his passion for blockchain, he coded in Java for over 11 years. He is the founder and leader of Delhi-NCR-JUG, a non-profit meetup group for Java. He holds a master's degree in computer applications and is regularly invited as a speaker at various conferences and meetups.
Read more about Jitendra Chittoda
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Jitendra Chittoda is a blockchain security engineer at ChainSecurity. His day job is to perform security audit on smart contracts and expose security vulnerabilities in Solidity and Scilla contracts. He has also developed a non-custodial, decentralized, P2P lending contracts for ETHLend. The Solidity contracts that he has developed or audited handle over $100 million worth of cryptoassets. He also served as a tech and security advisor in various ICO projects.
Before finding his passion for blockchain, he coded in Java for over 11 years. He is the founder and leader of Delhi-NCR-JUG, a non-profit meetup group for Java. He holds a master's degree in computer applications and is regularly invited as a speaker at various conferences and meetups.
Read more about Jitendra Chittoda