About

This is a crowd sourcing app

Getting Started

Requirement

• Requirements
• git You'll know you did it right if you can run git --version and you see a response like git version x.x.x foundry You'll know you did it right if you can run forge --version and you see a response like forge 0.2.0 (25f24e6 2024-09-28T00:21:16.976996664Z)

Quickstart

https://github.com/liumOazed/foundry-fund-me-full.git
cd foundry-fund-me-full
make

Usage

Deploy

forge script script/DeployFundMe.s.sol

Testing

We talk about 4 test tiers in the video.

1. Unit
2. Integration
3. Forked
4. Staging

This repo we cover #1 and #3.

forge test --mt testFunctionName

or

forge test --fork-url $SEPOLIA_RPC_URL

Test Coverage

forge coverage

Deployment to a testnet or mainnet

1. Setup environment variables You'll want to set your SEPOLIA_RPC_URL and PRIVATE_KEY as environment variables. You can add them to a .env file, similar to what you see in .env.example.

• PRIVATE_KEY: The private key of your account (like from metamask). NOTE: FOR DEVELOPMENT, PLEASE USE A KEY THAT DOESN'T HAVE ANY REAL FUNDS ASSOCIATED WITH IT. You can learn how to export it here.
• SEPOLIA_RPC_URL: This is url of the sepolia testnet node you're working with. You can get setup with one for free from Alchemy Optionally, add your ETHERSCAN_API_KEY if you want to verify your contract on Etherscan.

2. Get testnet ETH Head over to faucets.chain.link and get some testnet ETH. You should see the ETH show up in your metamask.

3. Deploy

forge script script/DeployFundMe.s.sol --rpc-url $SEPOLIA_RPC_URL --private-key $PRIVATE_KEY --broadcast --verify --etherscan-api-key $ETHERSCAN_API_KEY

Estimate gas

You can estimate how much gas things cost by running:

forge snapshot

And you'll see an output file called .gas-snapshot

Thank You!