useApproveTokenAllowance()

Use it to execute an AccountAllowanceApproveTransaction that allows you to delegate a token spender to spend the specified token serials on your behalf.

Usage

import { useApproveTokenAllowance } from '@buidlerlabs/hashgraph-react-wallets'

const TOKENS = [{ tokenId: "0.0.123456", amount: 10_000_000 }];
const SPENDER = "0.0.123456";

const App = () => {
  const { approve } = useApproveTokenAllowance()

  const handleApproveAllowance = async () => {
    try {
      const transactionIdOrHash = await approve(TOKENS, SPENDER);
      ...
    } catch (e) {
      console.error(e)
    }
  }

  return <button onClick={handleApproveAllowance}>Approve</button>
}

Parameters

- connector

• Type: HWBridgeConnector
• Required: false

Execute the transaction with a specific wallet when multiSession={true}

interface IUseApproveTokenAllowanceProps<Connector> {
  connector?: Connector | null
  abi?: Abi
}

---

- abi

• Type: Abi read more
• Required: false

Details

The default ABI used to execute the approve function on the provided token contracts with EVM-compatible wallets.

[
  {
    "inputs": [
      {
        "internalType": "address",
        "name": "spender",
        "type": "address"
      },
      {
        "internalType": "uint256",
        "name": "amount",
        "type": "uint256"
      }
    ],
    "name": "approve",
    "outputs": [
      {
        "internalType": "bool",
        "name": "response",
        "type": "bool"
      }
    ],
    "stateMutability": "nonpayable",
    "type": "function"
  }
]

Return Type

type TResult = {
  approve: (
    tokens: {
      tokenId: TokenId | string
      amount: Hbar | number
    }[],
    spender: AccountId | ContractId | string
  ) : Promise<TData>
}