getBalance(contract, owner)

Feature	Get balance of token of given owner.
Parameters	string contract address, string sender,
data of SuccessResponse	object token balance

example

const contractAddress = "0x41EFb6902ADcb1214a7123b01af66b1D13b89864fca";
const owner = "0x4874C17C354c498cf44D2946612DBe47fBcE7E87fca";

// Note: an asynchrous request
const balanceInfo = async () => {
    const info = await mitum.token.getBalance(contractAddress,owner);
    console.log(info.data);
};
balanceInfo();

// output
{ amount: '10000000' }