Solidity Projects

A collection of Solidity smart contract projects covering DeFi protocols, NFT mechanics, token standards, and on-chain governance — built with Foundry and Hardhat.

Quick Start

# Clone the repository
git clone https://github.com/rongarede/solidity-projects.git
cd solidity-projects

# Install Foundry (if not installed)
curl -L https://foundry.paradigm.xyz | bash
foundryup

# Build all contracts
forge build

# Run all tests
forge test

# Run tests with gas report
forge test --gas-report

# Deploy to local Anvil
anvil &
forge script script/Deploy.s.sol --rpc-url http://localhost:8545 --broadcast

Projects

Module 2 — ETH Banking

Project	Description
Bank	ETH deposit contract with top-3 depositor ranking
BigBank	Extended Bank with admin controls and access layers

Module 3 — Token Standards

Project	Description
BaseERC20	Custom ERC-20 token implementation
BaseERC721	SimpleNFT with basic minting
TokenBank	ERC-20 deposit vault
ERC20Faucet	Token faucet for testing
NFTMarket	Dutch auction NFT marketplace

Module 4 — On-Chain Interaction

Project	Description
TokenBank	ERC-20 interaction with deploy scripts
ReadChain	On-chain data reader
cliWallet	Command-line wallet tool

Module 5 — Advanced DeFi

Project	Description
MultiSigWallet	Multi-signature wallet contract
UUPS	Upgradeable proxy (MemeFactory + MemeToken)
TokenVester	Token vesting with lock schedule
NFTMarket	Optimized Dutch auction marketplace
uniswapv2	Full Uniswap V2 fork (core + periphery) with Polygon deploy

Module 6 — DeFi Protocols

Project	Description
CallOption	On-chain options (OptionSeries)
DAOBank	DAO governance (VotingToken + Gov + Bank)
FlashSwap	Flash loan arbitrage (PerfectArbitrage)
launchpund	Meme token launchpad with Uniswap integration
OnlineOrcle	Simple TWAP oracle
RebaseToken	Elastic supply token
StakePool	Staking pool (KKToken + rewards)
vAMM	Virtual AMM perpetual DEX

Module 7 — The Graph

Project	Description
meme-token-tracker	Subgraph for meme token events
nft-marketplace-subgraph	Subgraph for NFT marketplace

Tech Stack

• Language: Solidity 0.8+
• Frameworks: Foundry (forge/cast/anvil), Hardhat
• Libraries: OpenZeppelin, Uniswap V2/V3
• Testing: Foundry fuzz testing, unit tests
• Networks: Ethereum, Polygon

License

MIT