github.com/kaleido-io/firefly@v0.0.0-20210622132723-8b4b6aacb971/solidity_firefly/contracts/Payment.sol (about) 1 pragma solidity ^0.6.0; 2 3 import "@openzeppelin/contracts/token/ERC20/ERC20.sol"; 4 5 contract Payment is ERC20 { 6 constructor(uint256 initialSupply) public ERC20("Asset Trail Token", "ATT") { 7 _mint(msg.sender, initialSupply); 8 } 9 }