utils#toEthSignedMessageHash TypeScript Examples

The following examples show how to use utils#toEthSignedMessageHash. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example #1
Source File: index.tsx    From dxvote with GNU Affero General Public License v3.0 4 votes vote down vote up 
ConfirmVoteModal: React.FC<ModalProps> = ({
  onCancel,
  onConfirm,
  voteDecision,
  positive,
  negative,
  toAdd,
  voteDetails,
}) => {
  const header = (
    <div>Confirm vote {voteDecision === 1 ? 'for' : 'against'} proposal</div>
  );

  const [hashToETHMessage, setHashToETHMessage] = useState(true);
  const [shareSignatureOnOrbitDB, setShareSignatureOnOrbitDB] = useState(true);
  const [shareSignatureOnRinkeby, setShareSignatureOnRinkeby] = useState(false);

  const hashedVote = hashVote(
    voteDetails.votingMachine,
    voteDetails.proposalId,
    voteDetails.voter,
    voteDetails.decision,
    voteDetails.repAmount
  );

  return (
    <Modal
      header={header}
      isOpen={!(voteDecision === 0)}
      onDismiss={onCancel}
      onCancel={onCancel}
      onConfirm={() => {
        let voteConfirmed = {
          ...voteDetails,
          networks: [shareSignatureOnOrbitDB, shareSignatureOnRinkeby],
          hashToETHMessage,
        };
        onConfirm(voteConfirmed);
      }}
    >
      <Wrapper>
        {voteDetails.signVote ? (
          <b>Confirm vote signature</b>
        ) : (
          <b>Confirm vote transaction</b>
        )}
        <div>Vote on voting machine contract: {voteDetails.votingMachine}</div>
        <div>
          Vote in proposal: <small>{voteDetails.proposalId}</small>
        </div>
        <div>
          Vote for decision: {voteDetails.decision === '1' ? 'YES' : 'NO'}
        </div>
        <div>Vote with REP amount: {voteDetails.repAmount}</div>
        <div>Vote with REP percentage: {toAdd}%</div>
        <br></br>

        {voteDetails.signVote && (
          <SignedVoteDetails>
            <strong>Vote Hash:</strong>
            <div>
              <i>
                keccak256(votingMachine, proposalId, voter, decision, repAmount)
              </i>
            </div>
            <span style={{ fontWeight: !hashToETHMessage ? 'bold' : 'normal' }}>
              {hashedVote}
            </span>
            <div>
              Hash to ETH message (disable for hardware wallets){' '}
              <input
                type="checkbox"
                checked={hashToETHMessage}
                onChange={() => setHashToETHMessage(!hashToETHMessage)}
              ></input>
            </div>
            <br></br>

            {hashToETHMessage && (
              <div>
                <strong>ETH message to be signed:</strong>
                <div>
                  Domain separator appended to the vote hash, more info in{' '}
                  <a href="https://solidity-by-example.org/signature/">
                    solidity signature example
                  </a>
                </div>
                <strong>{toEthSignedMessageHash(hashedVote)}</strong>
                <br></br>
                <br></br>
              </div>
            )}

            <strong>Distribute signature On:</strong>
            <div>
              OrbitDB{' '}
              <input
                type="checkbox"
                checked={shareSignatureOnOrbitDB}
                onChange={() =>
                  setShareSignatureOnOrbitDB(!shareSignatureOnOrbitDB)
                }
              ></input>
            </div>
            <div>
              Rinkeby (Not recommended, needs an extra signature){' '}
              <input
                type="checkbox"
                checked={shareSignatureOnRinkeby}
                onChange={() =>
                  setShareSignatureOnRinkeby(!shareSignatureOnRinkeby)
                }
              ></input>
            </div>
          </SignedVoteDetails>
        )}
      </Wrapper>
    </Modal>
  );
}