Cancel a proposal that has not yet been executed. The Guardian is the only one who may execute this unless the proposer does not maintain the delegates required to create a proposal. If the proposer does not have more delegates than the proposal threshold, anyone can cancel the proposal.

Governor Alpha

function cancel(uint proposalId)
  • proposalId: ID of a proposal to cancel. The proposal cannot have already been executed.

  • RETURN: No return, reverts on error.


GovernorAlpha gov = GovernorAlpha(0x123...); // contract address

Web3 1.2.6

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