embark/dapps/tests/teller-contracts/contracts/common/SecuredFunctions.sol

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pragma solidity >=0.5.0 <0.6.0;
import "../common/Ownable.sol";
contract SecuredFunctions is Ownable {
mapping(address => bool) public allowedContracts;
/// @notice Only allowed addresses and the same contract can invoke this function
modifier onlyAllowedContracts {
require(allowedContracts[msg.sender] || msg.sender == address(this), "Only allowed contracts can invoke this function");
_;
}
/**
* @dev Set contract addresses with special privileges to execute special functions
* @param _contract Contract address
* @param _allowed Is contract allowed?
*/
function setAllowedContract (
address _contract,
bool _allowed
) public onlyOwner
{
allowedContracts[_contract] = _allowed;
}
}