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Simple Start to Smart Contract Development with Hardhat
- This post is about Smart Contract development and how to write, deploy, and call a simple smart contract self-executing program on a blockchain using Hardhat.
- Hardhat is a tool that simulates an EVM network/blockchain to help users avoid the cost of writing to a real blockchain.
- In this post, a simple contract is created with the Solidity programming language that increments a state variable and retrieves its value.
- Web3 application can interact with smart contracts and are often referred to as decentralized since smart contracts are hosted on the blockchain and not on a centralized server.
- A trustless system maintains the integrity of the transaction through cryptographic proof instead of relying on a centralized authority.
- Some handy real-world contracts that leverage blockchain technology are Decentralized Finance (Defi) and Non-Fungible Token (NFT) spaces.
- Hardhat environment is set up by creating a directory, node project, and installing and initiating Hardhat.
- The contract is created with a Solidity contract source and a deploy script.
- Hardhat localhost node is started for testing in a separate terminal, and smart contract deployed.
- Our contract is deployed! After that, Hardhat Javascript console is started to interact with the contract by calling its functions.
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