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In our guide, we’ll delve into the world of simplified smart contract deployment on the Ethereum network using a tool called Hardhat Ignition. We’ll walk through each step in detail, starting from installation to the actual deployment of contracts.
1. Installing Hardhat Ignition
The first step is to install Hardhat Ignition in your project. To do this, execute the following commands in your terminal:
npm install --save-dev @nomicfoundation/hardhat-ignition @nomicfoundation/hardhat-ignition-ethers ethers
These commands will install the necessary dependencies, including Hardhat Ignition and ethers.js.
2. Defining Ignition Modules
Ignition Modules are used to describe the system you want to deploy on Ethereum. Let’s create a folder for Ignition Modules and define our first module. In your terminal:
mkdir ignition
mkdir ignition/modules
Now create a file for your Ignition Module. For example:
touch ignition/modules/MyModule.js
3. Defining Ignition Module
Open the created file MyModule.js in your text editor and define the Ignition Module. For example:
const { buildModule } = require("@nomicfoundation/hardhat-ignition/modules");module.exports = buildModule("MyModule", (m) => {
const myContract = m.contract("MyContract", ["parameter1", "parameter2"]);
m.call(myContract, "myFunction", ["argument1", "argument2"]);
});
4. Deploying the Module
Now that the Ignition Module is defined, we can proceed with deployment. Start your local Ethereum node, for example:
npx hardhat node
In another terminal within your project directory, execute the command to deploy the module:
npx hardhat ignition deploy ignition/modules/MyModule.js --network localhost
Using Hardhat Ignition offers several advantages compared to simply running scripts in Hardhat:
Declarative Approach: Hardhat Ignition allows you to define your smart contract deployment system as declarative modules, providing a clearer and more readable description of the system.
Dependency Management: Ignition Modules can interact with each other, providing flexibility in managing dependencies between different contracts and operations.
Error Handling and Recovery: Hardhat Ignition automatically handles errors and recovers deployments in case of interruption or partial execution of operations.
Autonomy: Hardhat Ignition provides autonomous execution of deployment operations, freeing you from manually managing each step.
Overall, using Hardhat Ignition enables the creation of more reliable, readable, and autonomous smart contract deployment systems on the Ethereum network, making it a preferred choice for many developers.
Conclusion
Congratulations! You are now familiar with the basic steps to use Hardhat Ignition for deploying smart contracts on the Ethereum network. Utilize this tool to optimize your development process and simplify working with smart contracts.
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