Foundry

Foundry is a blazing fast, portable and modular toolkit for Ethereum application development written in Rust.

Foundry consists of:

• Forge: Ethereum testing framework (like Truffle, Hardhat and DappTools).
• Cast: Swiss army knife for interacting with EVM smart contracts, sending transactions and getting chain data.
• Anvil: Local Ethereum node, akin to Ganache, Hardhat Network.
• Chisel: Fast, utilitarian, and verbose solidity REPL.

Documentation

https://book.getfoundry.sh/

Usage

Build

$ forge build

Test

$ forge test

Format

$ forge fmt

Gas Snapshots

$ forge snapshot

Anvil

$ anvil

Deploy

$ forge script script/Counter.s.sol:CounterScript --rpc-url <your_rpc_url> --private-key <your_private_key>

Cast

$ cast <subcommand>

Help

$ forge --help
$ anvil --help
$ cast --help

Proveably Random Raffle Contracts

About

This code is to create Proveably Random Raffle Contractsa

Objective

1. Users can enter by paying a ticket
   • The ticket fees are going to go to the winner during the draw.
2. After X period of time the winner will be decided by the lottery.
   • And this will be done programmatically
3. Using Chainlink VRF & Chainlink Automation
   • Chainlink VRF -> Randomness
   • Chainlink Automation -> Time based trigger

Tests!

1. Write deploy scripts
2. write tests
   1. work on local
   2. forked testnet
   3. forked mainnet

TODO

In video it fails if you dont add deployerKey to funding, but I tried now and it works perfectly, so if it fails, must add the deployerKey in FUndSUb