beginner
Counter
A simple counter contract demonstrating basic state management, events, custom errors, and owner-only access control.
beginnerstateeventsaccess control
Examples
Real smart contracts written in SolScript. Browse the source, then open them in the playground to compile and deploy.
intermediate
Token (ERC-20 Style)
A full-featured fungible token with transfers, allowances, minting, burning, and pause functionality. Demonstrates mappings, modifiers, and events.
tokenDeFimappingsSPLERC-20
advanced
Multi-Signature Wallet
A multi-sig wallet requiring multiple owner approvals before executing transactions. Demonstrates arrays, nested mappings, and multi-party authorization.
multisigsecuritywalletgovernance
intermediate
Staking Pool
A token staking pool with reward distribution. Users stake tokens to earn rewards proportional to their share of the pool.
stakingDeFirewardspool
advanced
Automated Market Maker (AMM)
A constant-product AMM (x*y=k) for token swaps. Demonstrates liquidity pools, price calculation, and DeFi primitives on Solana.
AMMDeFiswapliquidityDEX
intermediate
Voting Contract
A decentralized voting system with proposal creation, vote casting, and result tallying. Demonstrates governance patterns.
votinggovernanceDAO
intermediate
Escrow
A trustless escrow contract for conditional token transfers between buyer and seller. Demonstrates state machines and multi-party authorization.
escrowpaymentstrustless