Console If the account is locked, you can unlock it using the following command: > personal.unlockAccount(web3.eth.coinbase, “Password123”, 15000) Note that we have used another parameter here, 15000, which is the duration for which the account will remain unlocked.
Check whether “hello1” is hashed: truffle(development)> app.isAlreadyHashed(“hello1”); true Check whether another idea is hashed or not, in this example we’ve used string “hello3”: truffle(development)> app.isAlreadyHashed(“hello3”); false This example demonstrated how a contract can be created from scratch, simulated, and deployed on the PrivateNet.
The Essential Toolkit for Ethereum Smart Contract Development (Part 2)
In order to deploy this on TestNet or a live blockchain, a similar exercise can be performed.
Simply point to the appropriate RPC and use truffle migrate to deploy on the blockchain of your choice.
In the next section, some advanced concepts related to Ethereum and blockchain will be discussed.
Why This Matters for Blockchain Technology
Understanding Invoking deployed contract methods in the truffle is not just an academic exercise — it has real-world implications for how blockchain systems are designed, deployed, and secured. Whether you are a developer building decentralized applications, a business leader evaluating blockchain adoption, or a curious learner exploring the technology, this knowledge provides a critical foundation.
Key Points to Remember
- In order to deploy this on TestNet or a live blockchain, a similar exercise can be performed.
- Simply point to the appropriate RPC and use truffle migrate to deploy on the blockchain of your choice.
- In the next section, some advanced concepts related to Ethereum and blockchain will be discussed.
Conclusion
Invoking deployed contract methods in the truffle represents one of the many innovative layers that make blockchain technology so powerful and transformative. As distributed systems continue to evolve, a solid understanding of these core concepts becomes increasingly valuable — not just for developers, but for anyone building, investing in, or working alongside blockchain-powered systems.
Whether you are just starting your blockchain journey or deepening existing expertise, mastering these fundamentals gives you the tools to think clearly about decentralized systems and make smarter decisions in this rapidly evolving space.