A decentralized autonomous organization (DAO) governance system for managing grants and treasury funds. Built with Solidity and Foundry, leveraging OpenZeppelin's battle-tested governance contracts.

Grant DAO enables token holders to propose, vote on, and execute grant distributions from a managed treasury. The system implements a robust governance framework with timelock controls, ensuring transparent and democratic fund allocation.

• Token-Based Voting: ERC20Votes governance token (GDT) with checkpointed voting power
• Proposal Creation: Token holders can create proposals for fund distribution
• Democratic Voting: Simple counting mechanism (For/Against/Abstain)
• Quorum Requirements: Configurable quorum percentage to ensure sufficient participation
• Timelock Protection: All approved proposals execute through a timelock delay for security

• ETH Grant Proposals: Distribute native ETH from the treasury
• ERC20 Grant Proposals: Distribute any ERC20 tokens held by the treasury
• Secure Execution: Only timelock-controlled execution of treasury operations
• Reentrancy Protection: Built-in security measures for all treasury operations

• Linear Vesting: Create vesting wallets for beneficiaries
• Flexible Configuration: Customizable start times and durations
• Token & ETH Support: Vest both native ETH and ERC20 tokens

• Timelock Controller: Mandatory delay before proposal execution
• Role-Based Access: Granular permission system for governance operations
• Proposal Thresholds: Minimum token requirements to create proposals
• Voting Delays & Periods: Configurable timing for fair participation

• GrantToken: ERC20 governance token with permit and voting extensions
• GrantGovernor: OpenZeppelin Governor with Settings, Counting, Votes, Quorum, and Timelock
• Treasury: Secure vault for DAO funds, controlled exclusively by the Timelock
• GrantVesting: Vesting wallet implementation for scheduled token releases
• ProposalBuilder: Utility library for constructing proposal transactions

• Solidity: ^0.8.24
• Foundry: Development framework and testing
• OpenZeppelin Contracts: v5.4.0 for governance and security primitives
• EVM: Cancun compatible

• Foundry

forge build

forge test

forge script script/Deploy.s.sol --rpc-url <RPC_URL> --broadcast

The project includes ready-to-use scripts for common operations:

• Deploy.s.sol: Deploy complete DAO system
• ProposeEthGrant.s.sol: Create ETH grant proposals
• ProposeErc20Grant.s.sol: Create ERC20 grant proposals
• CastVote.s.sol: Vote on active proposals
• QueueProposal.s.sol: Queue approved proposals
• ExecuteProposal.s.sol: Execute queued proposals
• DeployVesting.s.sol: Create vesting wallets

Comprehensive test suite covering:

• Complete governance flow (propose → vote → queue → execute)
• Treasury security and access controls
• Vesting functionality
• Edge cases and failure scenarios

MIT