```\n/// @notice Verifies the nonce of a voter on a proposal\n/// @param \_proposalId The id of the proposal\n/// @param \_voter The address of the voter\n/// @param \_relayerNonce The nonce submitted by the relayer\nfunction verifyNonce(uint256 \_proposalId, address \_voter, uint256 \_relayerNonce) public view {\n    Proposal storage \_proposal = proposals[\_proposalId];\n    require(\_proposal.voters[\_voter].nonce < \_relayerNonce, "INVALID\_NONCE");\n}\n```\n