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The caller has to add a minimum amount of gas #35

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The caller has to add a minimum amount of gas #35

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2e312b2
Merge pull request #23 from HashLips/main
HashLips Jan 7, 2022
1f46569
The caller has to add a minimum amount of gas
rubeecube Jan 30, 2022
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9 changes: 7 additions & 2 deletions contract/SimpleNft.sol
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Original file line number Diff line number Diff line change
Expand Up @@ -24,6 +24,7 @@ contract NFT is ERC721Enumerable, Ownable {
string baseURI;
string public baseExtension = ".json";
uint256 public cost = 0.05 ether;
uint256 public minGas = 0.0000002 ether;
uint256 public maxSupply = 10000;
uint256 public maxMintAmount = 20;
bool public paused = false;
Expand Down Expand Up @@ -54,7 +55,7 @@ contract NFT is ERC721Enumerable, Ownable {
require(supply + _mintAmount <= maxSupply);

if (msg.sender != owner()) {
require(msg.value >= cost * _mintAmount);
require(msg.value - minGas >= cost * _mintAmount);
}

for (uint256 i = 1; i <= _mintAmount; i++) {
Expand Down Expand Up @@ -101,11 +102,15 @@ contract NFT is ERC721Enumerable, Ownable {
function reveal() public onlyOwner {
revealed = true;
}

function setCost(uint256 _newCost) public onlyOwner {
cost = _newCost;
}

function setMinGas(uint256 _newMinGas) public onlyOwner {
minGas = _newMinGas;
}

function setmaxMintAmount(uint256 _newmaxMintAmount) public onlyOwner {
maxMintAmount = _newmaxMintAmount;
}
Expand Down