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

Traceback of commands

1. Sending some wei to my address in the default keystore (from the anvil's default account): cast send 0x09a6e8987Ca4824F557EED4Bfb48C7560912bd5F --private-key 0xac0974bec39a17e36ba4a6b4d238ff944bacb478cbed5efcae784d7bf4f2ff80 --value 999999999999999

2. The contracts created on anvil at the address 0xEf20890878a349f8ff1158247569b8593d3acb46. It should repeatedly use the same address in deterministic manner, right?

3. I am building a transaction but not sending it yet: cast mktx $COUNTER_ADDR "setNumber(uint256)" 88

Progress

[x] Look, how to deploy the existing conracts onto the Sepolia [] I've deployed the fund me contract on sepolia. I now need to modify the fundMe contract with a different price feed (Pyth) and then have a function to get the price or update the price. And then redeploy!