f49721576f
* Add an initial document for our code style * Remove abbreviations from parameters * Rename the param in AddressUtils * fix comment
56 lines
1011 B
Solidity
56 lines
1011 B
Solidity
pragma solidity ^0.4.24;
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/**
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* @title Roles
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* @author Francisco Giordano (@frangio)
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* @dev Library for managing addresses assigned to a Role.
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* See RBAC.sol for example usage.
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*/
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library Roles {
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struct Role {
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mapping (address => bool) bearer;
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}
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/**
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* @dev give an account access to this role
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*/
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function add(Role storage _role, address _account)
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internal
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{
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_role.bearer[_account] = true;
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}
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/**
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* @dev remove an account's access to this role
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*/
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function remove(Role storage _role, address _account)
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internal
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{
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_role.bearer[_account] = false;
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}
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/**
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* @dev check if an account has this role
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* // reverts
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*/
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function check(Role storage _role, address _account)
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internal
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view
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{
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require(has(_role, _account));
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}
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/**
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* @dev check if an account has this role
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* @return bool
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*/
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function has(Role storage _role, address _account)
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internal
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view
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returns (bool)
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{
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return _role.bearer[_account];
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}
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}
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