multiApprove(contract, sender, currency, approved, amount)

Feature	Returns raw operation to approve token with multi item. Note: If you want to cancel the approve operation, execute approve function again with amount : 0.
Parameters	string | string[] contract address, // If given a string, it is automatically converted to an array filled with the same values. string sender, string currency ID, string[] array of account’s address to approve, string[] | int[] array of amount to approve
Return Value	object approve token operation with multi item.

example1. approve token to account(0x40…), account(0xC7…)

const contract = "0x04adb9825E50940E0722E795565a4f869e469005fca";
const sender = "0xF1858E0F9921ae2F1001F9B9132eFa15201E0318fca";
const currencyID = "MCC";
const approved = ["0x403683b62188B7bbBdFF6668e1e04e5e48cc9b05fca", "0xC7b22225DDBD8af09f3c635C3b6b8300beaBa041fca"];
const amount = [100, 4000]

const Operation = mitum.token.multiApprove(contract, sender, currencyID, approved, amount);
console.log(Operation);

// output
BaseOperation {
  id: 'mitum',
  fact: ApproveFact {
    hint: Hint { s: 'mitum-token-approve-operation-fact' },
    token: Token { s: '2026-02-19 03:21:45.787 +0000 UTC' },
    _hash: <Buffer 77 90 ea 64 ec 76 98 2c cf 93 78 eb 10 e2 f6 7f 2b ce d4 98 7f f3 d4 72 72 e3 e1 5b 94 0f 11 16>,
    sender: Address {
      s: '0xF1858E0F9921ae2F1001F9B9132eFa15201E0318fca',
      type: 'mitum'
    },
    items: [ [ApproveItem], [ApproveItem] ]
  },
  hint: Hint { s: 'mitum-token-approve-operation' },
  _factSigns: [],
  _hash: <Buffer >
}

example2. approve token on the contract(0x04…) and contract(0x1e…) to account(0x40…)

const contract = ["0x04adb9825E50940E0722E795565a4f869e469005fca", "0x1eee613fc85B186BAd2A615493D13bf8146a9AF7fca"];
const sender = "0xF1858E0F9921ae2F1001F9B9132eFa15201E0318fca";
const currencyID = "MCC";
const approved = ["0x403683b62188B7bbBdFF6668e1e04e5e48cc9b05fca", "0x403683b62188B7bbBdFF6668e1e04e5e48cc9b05fca"];
const amount = [100, 100]

const Operation = mitum.token.multiApprove(contract, sender, currencyID, approved, amount);
console.log(Operation);

// output
BaseOperation {
  id: 'mitum',
  fact: ApproveFact {
    hint: Hint { s: 'mitum-token-approve-operation-fact' },
    token: Token { s: '2026-02-19 03:22:10.425 +0000 UTC' },
    _hash: <Buffer 98 a3 31 fb ea 86 9c 15 98 04 8f bb 5c 04 ed b6 7e 01 7c 64 8a 53 2a 2c 05 bd 53 54 91 b1 64 c0>,
    sender: Address {
      s: '0xF1858E0F9921ae2F1001F9B9132eFa15201E0318fca',
      type: 'mitum'
    },
    items: [ [ApproveItem], [ApproveItem] ]
  },
  hint: Hint { s: 'mitum-token-approve-operation' },
  _factSigns: [],
  _hash: <Buffer >
}