QuadraticVoting

Draft → Active → Succeeded → Queued → Executed
                    │
                    └──▶ Defeated / Expired

function propose(
  address[] calldata targets,
  uint256[] calldata values,
  bytes[] calldata calldatas,
  string calldata description
) external returns (uint256 proposalId);

function castVote(uint256 proposalId, uint8 support) external returns (uint256 weight);

function queue(uint256 proposalId) external;
function execute(uint256 proposalId) external payable;

function proposalState(uint256 proposalId) external view returns (ProposalState);
function votingPower(address voter) external view returns (uint256);

function votingPower(address voter) public view returns (uint256) {
  uint256 stake = stakingJars.totalStakedOf(voter);
  uint256 es    = engagementOracle.scoreOf(voter);  // 1e18 scaled
  return _sqrt((stake * es) / 1e18);
}

event ProposalCreated(uint256 indexed id, address indexed proposer, string description);
event VoteCast(address indexed voter, uint256 indexed id, uint8 support, uint256 weight);
event ProposalQueued(uint256 indexed id, uint256 executionTime);
event ProposalExecuted(uint256 indexed id);