Gas relay (tests example)

gistfile1.txt

var tabookey = require('tabookey-gasless');
// step0
const gasPricePercent = 20
relay_client_config = {

    txfee: 12,
    force_gasPrice: 2000000000,			//override requested gas price
    force_gasLimit: 4000029,		//override requested gas limit.
    verbose: process.env.DEBUG
}

var provider = new tabookey.RelayProvider(web3.currentProvider, {});


// step1
// Note the contract should be deployed
TokenContract.web3.setProvider(relayProvider)

// step2
try {
    let initRelayHubRes = await tokenContract.initRelayHub(hubAddress);
    console.log("initRelayHubRes:", initRelayHubRes);
} catch (error) {

}

// IMPORTANT:
// need to make deposit once after deploying the contract
try {
  let deposit = web3.utils.toWei("0.1", "ether")
  let res = await tokenSwapContract.deposit({value: deposit});
  //console.log("deposit res:", res);
} catch (error) {
}


it("test transfer gas free", async function() {

    web3.setProvider(provider);

    let initBalance = await web3.eth.getBalance(account_one)

    let tokenTestAddress = "0x8......."
    let tokenTestRelay = await new web3.eth.Contract(Token._json.abi, tokenTestAddress); 
    let result = await tokenTestRelay.methods.transfer(account_two, 100).send({ from: account_one, gasPrice: 2000000000, gasLimit: 65000});
});


// TokenContract.sol should have deposit function in case you not use external script
function deposit() public payable {
    get_relay_hub().depositFor.value(msg.value)(address(this));
}