Smart Contracts usage tutorial

invoke-tx-example.js

function q(arg) { return document.querySelector(arg); }

function sendData() {
    const text = q(".data").value;
    let data = text.split("\n")[0];
    const tx = {
        type: 16, // invoke transaction
        data: {
            fee: {
                "tokens": "0.005",
                "assetId": "WAVES"
            },
            dApp: '3N9uzN2kjrwCnrmHAhw7m3FdKhkJ69SGL6F',
            call: {
                function: 'request',
                args: [{
                        "type": "string", "value": data
                      }]
            }
        }
    };
    WavesKeeper.signAndPublishTransaction(tx);
    return text;
}