biigpongsatorn

{
    "Version":"2012-10-17",
    "Statement": [
        {
            "Sid": "VisualEditor0",
            "Effect": "Allow",
            "Action": "s3:ListBucket",
            "Resource": "arn:aws:s3:::bucket-name"
        },
        {

biigpongsatorn

pragma solidity ^0.5.0;

/**
 * @title ERC20
 * @dev The ERC20 interface has an standard functions and event
 * for erc20 compatible token on Ethereum blockchain.
 */
interface ERC20 {
    function totalSupply() external view returns (uint supply);
    function balanceOf(address _owner) external view returns (uint balance);