🛠 Step 1: Install Foundry & Anvil

Foundry is a blazing-fast toolkit for Ethereum development written in Rust. It includes forge (for testing), cast (for scripting), and anvil (a local Ethereum node, like Hardhat or Ganache).

✅ Prerequisites

A Unix-based system (Linux/macOS/WSL)
curl installed
zsh or bash shell

🔽 Install Foundry

Open your terminal and run:

curl -L https://foundry.paradigm.xyz | bash

Then activate Foundry by either:

# If using zsh
source ~/.zshrc

# If using bash
source ~/.bashrc

Now install the Foundry toolchain:

foundryup

Verify Installation

forge --version
anvil --version
cast --version

If all return versions, you’re good to go!

Run Anvil Locally

Start a local Ethereum testnet node:

anvil

Or to fork Ethereum mainnet (for testing with real contract data):

anvil --fork-url https://eth.merkle.io

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