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