register(contract, sender, proposalID, currency, approved?)

Feature	Returns an operation to register to vote. If the parameter approved is given, the voting power is delegated to the account. Can use it only within the ‘registration period’.
Parameters	string contract address, string sender, string proposal ID, string currency ID, string (Optional) approved
Return Value	object register operation

example

const contractAddress = "0x41EFb6902ADcb1214a7123b01af66b1D13b89864fca";
const sender = "0x4874C17C354c498cf44D2946612DBe47fBcE7E87fca";
const proposalID = "test_proposal";
const currencyID = "MCC";
const approved = "0x07469989b2562afF5E5C3B116CD3AA5Ef814e5a1fca"
const registOperation = mitum.dao.register(contractAddress, sender, proposalID, currencyID, approved);

console.log(registOperation);

// output
Operation {
  id: 'mitum',
  fact: RegisterFact {
    hint: Hint { s: 'mitum-dao-register-operation-fact' },
    token: Token { s: '2023-10-18 05:29:26.71 +0000 UTC' },
    _hash: <Buffer >,
    sender: Address {
      s: '0x4874C17C354c498cf44D2946612DBe47fBcE7E87fca',
      type: 'mitum'
    },
    contract: Address {
      s: '0x41EFb6902ADcb1214a7123b01af66b1D13b89864fca',
      type: 'mitum'
    },
    currency: CurrencyID { s: 'MCC' },
    proposalID: 'test_proposal',
    approved: Address {
      s: '0x07469989b2562afF5E5C3B116CD3AA5Ef814e5a1fca',
      type: 'mitum'
    }
  },
  hint: Hint { s: 'mitum-dao-register-operation' },
  _factSigns: [],
  _hash: <Buffer >
}