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minerhelper.sol
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minerhelper.sol
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pragma solidity ^0.5.0;
import "./miner.sol";
/**
* @title MinerHelper
* @dev retrieves miner information of a user
*/
contract MinerHelper is VirtualMiner {
/// @return all the miners a user owns
function displayMinersOfUser(string calldata _username) external view returns (uint[] memory) {
uint userId = userNameToUserId[_username];
uint[] memory result = new uint[](users[userId].minerIndex);
for (uint i = 0; i < users[userId].minerIndex; i++) {
result[i] = users[userId].userMiners[i].minerId;
}
return result;
}
/// @return all available miners a user owns
function displayAvailableMiners(string calldata _username) external view returns (uint[] memory) {
uint userId = userNameToUserId[_username];
uint[] memory result = new uint[](users[userId].minerIndex);
for (uint i = 0; i < users[userId].minerIndex; i++) {
if (users[userId].userMiners[i].available) {
result[i] = users[userId].userMiners[i].minerId;
}
else {
result[i] = 0;
}
}
return result;
}
}