Klaytn Fund Me

This project implements a crowdfunding smart contract on the Klaytn blockchain. It allows users to fund projects and retrieve their funds, with additional features like minimum funding amounts and contract owner management.

Features

• Deploy and manage a crowdfunding contract on Klaytn
• Set minimum funding amounts
• Allow users to fund the contract
• Enable fund withdrawal by the contract owner
• Permit funders to retrieve their funds

Prerequisites

• Foundry
• Klaytn Baobab testnet access
• Klaytn wallet with KLAY for gas fees

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/

Ensure that you have installed Rust and Cargo.

Please follow the installation guide

Ensure that you have installed Foundry.

Please follow the installation guide

Usage

Build

$ forge build

Test

$ forge test

Format

$ forge fmt

Gas Snapshots

$ forge snapshot

Anvil

$ anvil

Deploy Testnet

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

Deploy broadcast

$ forge script script/Counter.s.sol:CounterScript --rpc-url <your_rpc_url> --private-key <your_private_key> --broadcast --gas-estimate-multiplier 200

Cast

$ cast <subcommand>

Help

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