dione/eth-contracts/contracts/Whitelist.sol

35 lines
763 B
Solidity

//SPDX-License-Identifier: MIT
pragma solidity >= 0.5.0 < 0.7.0;
import "./vendor/Ownable.sol";
contract Whitelist is Ownable {
address[] public nodes;
constructor() public Ownable() {
}
function addNode(address nodeAccount) public onlyOwner {
nodes.push(nodeAccount);
}
function removeNode(address nodeAccount) public onlyOwner {
for (uint256 i = 0; i <= nodes.length-1; i++){
if (nodes[i] == nodeAccount) {
for (uint256 j = i; j < nodes.length-1; j++){
nodes[j] = nodes[j+1];
}
delete nodes[nodes.length-1];
if (nodes.length == 1) {
delete nodes;
}
break;
}
}
}
function getNodes() public view returns (address[] memory) {
return nodes;
}
}