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Sending Specific Tokens from MetaMask: A Step-by-Step Guide
MetaMask is a popular cryptocurrency wallet that allows users to interact with the Ethereum blockchain. In this article, we will show you how to programmatically send specific tokens from your Metamask wallet to another wallet.
Prerequisites
- You have a MetaMask wallet installed on your computer or mobile device.
- You have two ERC20 tokens in your Metamask wallet, say TOKEN_1 and TOKEN_2.
- The receiving wallet has the necessary permissions to receive the tokens.
Step 1: Get the token addresses
To send specific tokens from your Metamask wallet, you need to get their addresses. Here’s how:
- Open MetaMask on your computer or mobile device.
- Go to the “Wallet” > “Exchange” tab and click the “List Tokens” button.
- Find the two ERC20 tokens you want to send in the list of available tokens.
- Click on the address of each token in the list. This will open a new tab with the token details, including the contract address.
Step 2: Send Tokens Using RPC
To programmatically send specific tokens from your Metamask wallet to another wallet, you need to use the RPC (Remote Procedure Call) functionality of Web3. Here’s how:
- Make sure you have the MetaMask extension installed on your browser.
- Return to the “Token List” tab in MetaMask and select the two tokens you want to send.
- Click the “Send” button next to each token. This will open a new window with the recipient’s wallet details.
Step 3: Enter recipient wallet information
In the “Send” window, enter the following information for the recipient wallet:
- Contract address
- Private key (or account address)
- Gas limit (optional)
Step 4: Confirm token sending
After entering the required information, click the “Confirm” button to send the token.
Example code
Here is an example JavaScript code snippet that shows how to send specific tokens from your Metamask wallet to another wallet:
const MetaMask = require('metamask');
// Replace with your own private key and contract address
const privateKey = '0x...';
const recipientContractAddress = '0x...';
const metaMask = new MetaMask({
extension: true,
accounts: [privateKey],
});
metaMask.on('connect', () => {
const tokenAddresses = ['0x...', '0x...'];
tokenAddresses.forEach((tokenAddress) => {
// Send TOKEN_1 to the recipient's wallet
metaMask.send({ to: recipientContractAddress, tokens: [tokenAddress] });
});
});
metaMask.on('connect', () => {
const tokenAddresses = ['0x...', '0x...'];
tokenAddresses.forEach((tokenAddress) => {
// Send TOKEN_2 to the recipient's wallet
metaMask.send({ to: recipientContractAddress, tokens: [tokenAddress] });
});
});
This code snippet shows how to send specific tokens from your Metamask wallet to another wallet using RPC. You will need to replace privateKey and recipientContractAddress with your private key and contract address.
Conclusion
Sending specific tokens from MetaMask is a simple process that requires minimal setup. By following the steps outlined in this article, you can easily send ERC20 tokens between wallets programmatically using Web3’s RPC functionality. Happy coding!