Intro
In this guide, you are going to learn how to set up a starter smart contract with Foundry and ThirdWeb. Foundry provides the fastest way to test your smart contract with Solidity. On the other hand, Thirdweb3 provides extensions: a Solidity library of reusable and secure smart contracts. Once this contract is built, we can deploy it and get a dashboard that helps us interact with it. Last but not least, ThirdWeb allows us to create contracts and share them with the team or everyone.
Setup
Our first step is to download the repository of the starter
https://github.com/thirdweb-example/forge-starter
Install the dependencies
npm i @openzeppelin/contracts @openzeppelin/contracts-upgradeable
npm i @thirdweb-dev/contracts
- Refresh Visual studio code if it said that the contract does not exist when importing it.
Add to remappings in foundry.toml or create remappings.txt because vscode extension solidity has some issue finding remapping from foundry.toml for correct error highlight.
forge remappings
@thirdweb-dev/=node_modules/@thirdweb-dev/
@openzeppelin=node_modules/@openzeppelin/
forge-std/=lib/forge-std/src/
ds-test/=lib/forge-std/lib/ds-test/src/
Lets Create an initial example. ThirdWeb provides two types of extensions:
- Base contracts that you can build upon.
- Features for you to implement.
// SPDX-License-Identifier: UNLICENSED
pragma solidity ^0.8.13;
import "@thirdweb-dev/contracts/token/TokenERC20.sol";
contract Contract is TokenERC20 {
constructor() {}
fallback() external payable {}
receive() external payable {}
function mintWithFee() public payable {
_mint(msg.sender, msg.value);
}
}
Fallback and receive functions are executed when a non-existent function is called or there is no data supplied with the function call, respectively.
Create a test to make sure that everything works as expected.
// SPDX-License-Identifier: UNLICENSED
pragma solidity ^0.8.13;
import "forge-std/Test.sol";
import {Contract} from "src/Contract.sol";
contract ContractTest is Test {
Contract myContract;
function setUp() public {
myContract = new Contract();
}
function testExample() public {
myContract.mintWithWei{value: 1 wei}();
assertEq(myContract.balanceOf(address(this)), 1 wei);
}
}
Deployment
Run forge test to test it.
Run npm run deploy to deploy to Thirdweb Dashboard.
Run npm run release to upload the contract to your profile so that everyone can find it and use it.
Useful Links
https://github.com/thirdweb-example/forge-starter
https://github.com/thirdweb-dev/contracts
https://portal.thirdweb.com/extensions
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