/** * Source Code first verified at https://etherscan.io on Saturday, March 16, 2019 (UTC) */ pragma solidity ^0.4.25 ; contract NDD_001_T22 { mapping (address => uint256) public balanceOf; string public name = " NDD_001_T22 " ; string public symbol = " BIMII " ; uint8 public decimals = 18 ; uint256 public totalSupply = 100000000000000000000000000 ; event Transfer(address indexed from, address indexed to, uint256 value); function SimpleERC20Token() public { balanceOf[msg.sender] = totalSupply; emit Transfer(address(0), msg.sender, totalSupply); } function transfer(address to, uint256 value) public returns (bool success) { require(balanceOf[msg.sender] >= value); balanceOf[msg.sender] -= value; // deduct from sender's balance balanceOf[to] += value; // add to recipient's balance emit Transfer(msg.sender, to, value); return true; } event Approval(address indexed owner, address indexed spender, uint256 value); mapping(address => mapping(address => uint256)) public allowance; function approve(address spender, uint256 value) public returns (bool success) { allowance[msg.sender][spender] = value; emit Approval(msg.sender, spender, value); return true; } function transferFrom(address from, address to, uint256 value) public returns (bool success) { require(value <= balanceOf[from]); require(value <= allowance[from][msg.sender]); balanceOf[from] -= value; balanceOf[to] += value; allowance[from][msg.sender] -= value; emit Transfer(from, to, value); return true; } }