Files
openzeppelin-contracts/contracts/ownership/Secondary.sol
2019-05-28 18:08:44 -03:00

51 lines
1.2 KiB
Solidity

pragma solidity ^0.5.2;
import "zos-lib/contracts/Initializable.sol";
/**
* @title Secondary
* @dev A Secondary contract can only be used by its primary account (the one that created it)
*/
contract Secondary is Initializable {
address private _primary;
event PrimaryTransferred(
address recipient
);
/**
* @dev Sets the primary account to the one that is creating the Secondary contract.
*/
function initialize(address sender) public initializer {
_primary = sender;
emit PrimaryTransferred(_primary);
}
/**
* @dev Reverts if called from any account other than the primary.
*/
modifier onlyPrimary() {
require(msg.sender == _primary);
_;
}
/**
* @return the address of the primary.
*/
function primary() public view returns (address) {
return _primary;
}
/**
* @dev Transfers contract to a new primary.
* @param recipient The address of new primary.
*/
function transferPrimary(address recipient) public onlyPrimary {
require(recipient != address(0));
_primary = recipient;
emit PrimaryTransferred(_primary);
}
uint256[50] private ______gap;
}