github.com/codingfuture/orig-energi3@v0.8.4/energi/contracts/src/BudgetProposalV1.sol (about)

     1  // Copyright 2019 The Energi Core Authors
     2  // This file is part of Energi Core.
     3  //
     4  // Energi Core is free software: you can redistribute it and/or modify
     5  // it under the terms of the GNU General Public License as published by
     6  // the Free Software Foundation, either version 3 of the License, or
     7  // (at your option) any later version.
     8  //
     9  // Energi Core is distributed in the hope that it will be useful,
    10  // but WITHOUT ANY WARRANTY; without even the implied warranty of
    11  // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
    12  // GNU General Public License for more details.
    13  //
    14  // You should have received a copy of the GNU General Public License
    15  // along with Energi Core. If not, see <http://www.gnu.org/licenses/>.
    16  
    17  // Energi Governance system is the fundamental part of Energi Core.
    18  
    19  // NOTE: It's not allowed to change the compiler due to byte-to-byte
    20  //       match requirement.
    21  pragma solidity 0.5.16;
    22  //pragma experimental SMTChecker;
    23  
    24  import { IGovernedProxy } from "./IGovernedProxy.sol";
    25  import { IBudgetProposal } from "./ITreasury.sol";
    26  import { GenericProposalV1 } from "./GenericProposalV1.sol";
    27  
    28  /**
    29   * Budget Proposal V1 for Treasury distribution
    30   */
    31  contract BudgetProposalV1 is
    32      GenericProposalV1,
    33      IBudgetProposal
    34  {
    35      uint public paid_amount;
    36      uint public proposed_amount;
    37      uint public ref_uuid;
    38  
    39      constructor(
    40          IGovernedProxy _mnregistry_proxy,
    41          address payable _payout_address,
    42          uint _ref_uuid,
    43          uint _proposed_amount,
    44          uint _period
    45      )
    46          public
    47          GenericProposalV1(
    48              _mnregistry_proxy,
    49              7,
    50              _period,
    51              _payout_address
    52          )
    53      {
    54          ref_uuid = _ref_uuid;
    55          proposed_amount = _proposed_amount;
    56      }
    57  
    58      // IBudgetProposal
    59      //---------------------------------
    60  
    61      // Just an alias
    62      function payout_address()
    63          external view
    64          returns(address payable)
    65      {
    66          return fee_payer;
    67      }
    68  
    69      // Called by Treasury on reward()
    70      function distributePayout() external payable {
    71          paid_amount += msg.value;
    72          assert(paid_amount <= proposed_amount);
    73      }
    74  
    75      // Optimized status retrieval in single call
    76      function budgetStatus()
    77          external view
    78          returns(
    79              uint uuid,
    80              bool is_accepted,
    81              bool is_finished,
    82              uint unpaid
    83          )
    84      {
    85          uuid = ref_uuid;
    86          is_accepted = isAccepted();
    87          is_finished = isFinished();
    88          assert(paid_amount <= proposed_amount);
    89          unpaid = proposed_amount - paid_amount;
    90      }
    91  }
    92