Guide to Batch Transfer Function in BSC Token Contracts: Code Implementation

Introduction

In token distribution, batch transfers efficiently disperse tokens without relying on expensive third-party tools. Embedding this functionality directly into your smart contract reduces gas fees and streamlines processes like airdrops.

Why Use Batch Transfers?

• Cost-Effective: Eliminates fees from external batch transfer tools.
• Gas Optimization: Consolidates multiple transactions into one, saving BNB.
• Simplified Airdrops: Ideal for distributing equal token amounts to multiple addresses.

Core Code Implementation

Below is the Solidity function for batch transfers (fixed amount per recipient):

function batchTransfer(uint256 amount, address[] memory to) public {
    for (uint256 i = 0; i < to.length; i++) {
        _transfer(_msgSender(), to[i], amount);
    }
}

Key Notes:

1. Uniform Amounts: All recipients receive the same amount.
2. Supply Check: Ensure the total airdropped tokens ≤ max supply.
3. Gas Limits: Large recipient lists may exceed block gas limits; test on small batches first.

Step-by-Step Execution on BSC Scan

1. Deploy the contract with the function above.

2. Call batchTransfer via BscScan:

   • Input the fixed amount (e.g., 100 tokens).
   • Add recipient addresses as an array (["0xAddr1","0xAddr2"]).
3. Confirm the transaction.

👉 Explore advanced BSC token contracts

FAQ

1. Can I set different amounts per address?

No, this function sends a fixed amount. For variable amounts, modify the code to accept an amount[] array.

2. How does this save gas?

One transaction replaces multiple individual transfers, reducing overhead.

3. Is this compatible with dividend tokens?

Yes, but ensure the _transfer function triggers dividend logic if applicable.

Conclusion

Integrating batch transfers into your BSC token contract optimizes efficiency and cost. For complex needs (e.g., variable amounts or dividends), customize the provided code.

Further Resources

• BSC Token Development Guide: Detailed tutorials on contract deployment, LP setup, and security.
• Multi-Function Contracts: Templates for burns, dividends, and auto-liquidity.

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