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@Librechain
Created February 7, 2023 18:10
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Example
pragma solidity ^0.6.2;
@import "https://github.com/ethereum/EIPs/blob/master/EIPS/eip-4626.md";
contract RevenueDistributionToken is ERC20, ERC20Burnable, ERC20Mintable, ERC20Pausable {
string public constant name = "RevenueDistributionToken";
string public constant symbol = "RDT";
uint8 public constant decimals = 18;
uint256 public constant totalSupply = 0;
mapping(address => uint256) balances;
mapping(address => mapping(address => uint256)) allowed;
constructor(uint256 initialSupply, address initialHolder) public {
require(initialSupply > 0);
require(initialHolder != address(0));
totalSupply = initialSupply;
balances[initialHolder] = initialSupply;
emit Transfer(address(0), initialHolder, initialSupply);
}
function balanceOf(address who) public view returns (uint256) {
require(who != address(0));
return balances[who];
}
function allowance(address owner, address spender) public view returns (uint256) {
require(owner != address(0));
require(spender != address(0));
return allowed[owner][spender];
}
function transfer(address to, uint256 value) public returns (bool) {
require(to != address(0));
require(value <= balances[msg.sender]);
balances[msg.sender] -= value;
balances[to] += value;
emit Transfer(msg.sender, to, value);
return true;
}
function approve(address spender, uint256 value) public returns (bool) {
require(spender != address(0));
if (allowed[msg.sender][spender] != 0) {
return false;
}
allowed[msg.sender][spender] = value;
emit Approval(msg.sender, spender, value);
return true;
}
function transferFrom(address from, address to, uint256 value) public returns (bool) {
require(from != address(0));
require(to != address(0));
require(value <= balances[from]);
require(value <= allowed[from][msg.sender]);
balances[from] -= value;
allowed[from][msg.sender] -= value;
balances[to] += value;
emit Transfer(from, to, value);
return true;
}
function mint(address to, uint256 value) public onlyMinter returns (bool) {
require(to != address(0));
balances[to] += value;
totalSupply += value;
emit Transfer(address(0), to, value);
emit Mint(to, value);
return true;
}
function burn(address from, uint256 value) public returns (bool) {
require(from != address(0));
require(value <= balances[from]);
balances[from] -= value;
totalSupply -= value;
emit Transfer(from, address(0), value);
emit Burn(from, value);
return true;
}
function pause() public onlyOwner {
paused = true;
emit Pause();
}
function unpause() public onlyOwner {
paused = false;
emit Unpause();
}
function _msgSender() internal view returns (address) {
return msg.sender;
}
function _totalSupply() internal view returns (uint256) {
return totalSupply;
}
function _transfer(address from, address to, uint256 value) internal returns (bool) {
require(from != address(0));
require(to != address(0));
require(value <= balances[from]);
balances[from] -= value;
balances[to] += value;
emit Transfer(from, to, value);
return true;
}
function _balanceOf(address who) internal view returns (uint256) {
require(who != address(0));
return balances[who];
}
modifier onlyMinter {
... /// this is the end of the printed code
}
}
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