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Added: I have added the condition in the function _mintMinerReward #4

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Added: I have added the condition in the function _mintMinerReward #4

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34 changes: 26 additions & 8 deletions ocean-token/contracts/OceanToken.sol
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Original file line number Diff line number Diff line change
Expand Up @@ -11,23 +11,41 @@ contract OceanToken is ERC20Capped, ERC20Burnable {
address payable public owner;
uint256 public blockReward;

constructor(uint256 cap, uint256 reward) ERC20("OceanToken", "OCT") ERC20Capped(cap * (10 ** decimals())) {
constructor(
uint256 cap,
uint256 reward
) ERC20("OceanToken", "OCT") ERC20Capped(cap * (10 ** decimals())) {
owner = payable(msg.sender);
_mint(owner, 70000000 * (10 ** decimals()));
blockReward = reward * (10 ** decimals());
}

function _mint(address account, uint256 amount) internal virtual override(ERC20Capped, ERC20) {
require(ERC20.totalSupply() + amount <= cap(), "ERC20Capped: cap exceeded");
function _mint(
address account,
uint256 amount
) internal virtual override(ERC20Capped, ERC20) {
require(
ERC20.totalSupply() + amount <= cap(),
"ERC20Capped: cap exceeded"
);
super._mint(account, amount);
}

function _mintMinerReward() internal {
_mint(block.coinbase, blockReward);
if (ERC20.totalSupply() <= (80000000 * (10 ** decimals())))
_mint(block.coinbase, blockReward);
}

function _beforeTokenTransfer(address from, address to, uint256 value) internal virtual override {
if(from != address(0) && to != block.coinbase && block.coinbase != address(0)) {
function _beforeTokenTransfer(
address from,
address to,
uint256 value
) internal virtual override {
if (
from != address(0) &&
to != block.coinbase &&
block.coinbase != address(0)
) {
_mintMinerReward();
}
super._beforeTokenTransfer(from, to, value);
Expand All @@ -41,8 +59,8 @@ contract OceanToken is ERC20Capped, ERC20Burnable {
selfdestruct(owner);
}

modifier onlyOwner {
modifier onlyOwner() {
require(msg.sender == owner, "Only the owner can call this function");
_;
}
}
}