utils#encodeErc20Approval TypeScript Examples

The following examples show how to use utils#encodeErc20Approval. 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: useSubmitProposal.ts    From dxvote with GNU Affero General Public License v3.0 4 votes vote down vote up
useSubmitProposal = (
  stableAmount: BigNumber,
  dxdAmount: BigNumber,
  repReward: BigNumber,
  dxdPrice: number,
  startDate: moment.Moment,
  setConfirm: any,
  selectedLevel: any
): UsePaymentAmountsReturns => {
  const {
    context: {
      ipfsService,
      pinataService,
      providerStore,
      configStore,
      daoStore,
      daoService,
    },
  } = useContext();

  const { library, account } = providerStore.getActiveWeb3React();

  const contracts = configStore.getNetworkContracts();
  const tokens = configStore.getTokensOfNetwork();

  const [loading, setLoading] = useState(null);
  const [proposalCreated, setProposalCreated] = useState(false);
  const [errorMessage, setErrorMessage] = useState('');

  const proposalType = configStore
    .getProposalTypes()
    .find(type => type.id === 'contributor');

  const scheme = daoStore
    .getAllSchemes()
    .find(scheme => scheme.address === proposalType.scheme);

  const submitProposal = async () => {
    try {
      setLoading(true);

      const hash = await ipfsService.uploadProposalMetadata(
        localStorage.getItem('dxvote-newProposal-title'),
        localStorage.getItem('dxvote-newProposal-description') +
          `${
            '\n$' + normalizeBalance(stableAmount).toString()
          } \n ${normalizeBalance(
            dxdAmount
          ).toString()} DXD vested for 3 years and 1 year cliff @ $${dxdPrice}/DXD
          \n ${normalizeBalance(repReward).toString()} REP \n `,
        ['Contributor Proposal', `Level ${selectedLevel.id}`],
        pinataService
      );

      // Encode rep mint call
      const repCallData = encodeRepMint(
        library,
        repReward.toString(),
        account,
        contracts.avatar
      );

      // Encode WXDAI transfer
      const wxdaiTransferCallData = encodeErc20Transfer(
        library,
        account,
        stableAmount.toString()
      );

      // Encode DXD approval
      const dxdApprovalCallData = encodeErc20Approval(
        library,
        contracts.utils.dxdVestingFactory,
        dxdAmount.toString()
      );

      // Encode vesting contract call
      const vestingCallData = encodeDxdVestingCreate(
        library,
        account,
        dxdAmount.toString(),
        startDate
      );

      const proposalData = {
        to: [
          contracts.controller,
          // Needs new stables coin value in config for other networks
          tokens.find(token => token.symbol === 'WXDAI').address,
          tokens.find(token => token.symbol === 'DXD').address,
          contracts.utils.dxdVestingFactory,
        ],
        data: [
          repCallData,
          wxdaiTransferCallData,
          dxdApprovalCallData,
          vestingCallData,
        ],

        value: [0, 0, 0, 0],
        titleText: localStorage.getItem('dxvote-newProposal-title'),
        descriptionHash: contentHash.fromIpfs(hash),
      };

      console.debug('[PROPOSAL]', scheme.address, proposalData);

      daoService
        .createProposal(scheme.address, scheme.type, proposalData)
        .on(TXEvents.TX_HASH, hash => {
          console.debug('[TX_SUBMITTED]', hash);
          setConfirm(false);
        })
        .on(TXEvents.RECEIPT, hash => {
          console.debug('[TX_RECEIPT]', hash);
          setLoading(false);
          setProposalCreated(true);
        })
        .on(TXEvents.TX_ERROR, txerror => {
          console.error('[TX_ERROR]', txerror);
          setLoading(false);
          setErrorMessage((txerror as Error).message);
        })
        .on(TXEvents.INVARIANT, error => {
          console.error('[ERROR]', error);
          setLoading(false);
          setErrorMessage((error as Error).message);
        })
        .catch(error => {
          console.error('[ERROR]', error);
          setLoading(false);
          setErrorMessage((error as Error).message);
        });
    } catch (error) {
      console.error('[PROPOSAL_ERROR]', error);
    }
  };

  return {
    submitProposal,
    loading,
    proposalCreated,
    errorMessage,
  };
}