Testnet Deployment

NOTE: Ensure you meet the prerequisites before deploying a dApp.

Deploy your dApp by following the steps:

• Step 1: Connect Wallet.

• Step 2: Create Script.

• Step 3: Compile Script.

• Step 4: Deploy dApp.

Step 1: Connect Wallet

Follow the steps to connect your Metamask wallet.

Step 2: Create Script

You can:

• Import your GitHub repository with your dApp.

• Or Create a new dApp script.

Import GitHub Repository

1. Open Remix IDE. The File explorer tab will open.

2. Go to the Git tab.

   
3. On the Git tab, expand the GITHUB SETUP block.

   
4. In the GITHUB SETUP block:

   1. Click Login with GitHub. The instructions on how to connect your GitHub account will appear.

      
   2. Follow the given instructions.

5. On the Git tab, expand the CLONE block.

   
6. In the CLONE block:

   1. Click Load from GitHub. The field with your GitHub account's repositories will open.

      
   2. From the field with your account's repositories, select the relevant repository.

   3. From the field with the repository's branches, select the relevant branch.

   4. Click clone USERNAME_REPOSITORY:BRANCH. The dApp script will be available on the File explorer tab.

      

Create New Script

1. Open Remix IDE. The File explorer tab will open.

2. On the File explorer tab, click Create new file. The field to enter the filename will open.

   
3. In the field, enter the filename. The FILENAME.sol window will open.

   
4. Copy and paste the script to the FILENAME.sol window:

   Copy

   // SPDX-License-Identifier: MIT
   pragma solidity ^0.8.0;
   
   contract MessageLogger {
      // Variable that stores the message.
      string private currentMessage;
   
      // Method that updates the message.
      function updateMessage(string calldata newMessage) external {
         currentMessage = newMessage;
      }
   
      // Method that retrieves the current message.
      function fetchMessage() external view returns (string memory) {
         return currentMessage;
      }
   }

   

Step 3: Compile Script

1. In Remix IDE, go to the Solidity compiler tab.

   
2. On the Solidity compiler tab, click Compile FILENAME.sol.

   

Step 4: Deploy dApp

1. In Remix IDE, go to the Deploy & run transactions tab.

   
2. On the Deploy & run transactions tab:

   1. From the Environment drop-down list, select the Injected Provider - MetaMask. The MetaMask extension will open.

      
3. In the MetaMask extension, click Connect.

   
4. On the Deploy & run transactions tab, click Deploy. The MetaMask extension will open.

   
5. In the MetaMask extension, click Confirm. The Deployed Contracts block will display the address of the deployed dApp.

   
6. Optional. In the Deployed Contracts block, click Copy Address.