Cast Vote

Cast a vote on a proposal. The account's voting weight is determined by the number of votes the account had delegated to it at the time the proposal state became active.

Governor Alpha

function castVote(uint proposalId, bool support)

• proposalId: ID of a proposal in which to cast a vote.

• support: A boolean of true for 'yes' or false for 'no' on the proposal vote.

• RETURN: No return, reverts on error.

Solidity

GovernorAlpha gov = GovernorAlpha(0x123...); // contract address
gov.castVote(proposalId, true);

Web3 1.2.6

const tx = gov.methods.castVote(proposalId, false).send({ from: sender });