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Multicall

import "@thirdweb-dev/contracts/extension/Multicall.sol";

The Multicall smart contract is an extension usable with any base smart contract. It provides a function multicall to batch together multiple calls in a single external call.

info

It is recommended to use this extension alongside the ERC721Mintable, ERC1155Mintable or ERC20Mintable extension to unlock the ERC721BatchMintable, ERC1155BatchMintable or ERC20BatchMintable dashboard extension detection.


Usage​

This is an example smart contract demonstrating how to inherit from this extension and override the functions to add (optional) custom functionality.

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

import "@thirdweb-dev/contracts/extension/Multicall.sol";

contract MyContract is Multicall { ... }

SDK Usage​

This extension alone does not unlock anything extra in the SDKs. Checkout ERC721BatchMintable, ERC1155BatchMintable or ERC20BatchMintable extensions to see what this extension unlocks in the SDK when combined with ERC721Mintable, ERC1155Mintable or ERC20Mintable.

Base Contracts Implementing This Extension​

Full API reference​

multicall
function multicall(bytes[] calldata data) external virtual override returns (bytes[] memory results);
  • Receives and executes a batch of function calls on the contract.
  • Parameter data: The bytes data that makes up the batch of function calls to execute.
  • Return value results: The bytes data that makes up the result of the batch of function calls executed.