mirror of
https://github.com/ethereum/solidity
synced 2023-10-03 13:03:40 +00:00
279 lines
13 KiB
Solidity
279 lines
13 KiB
Solidity
pragma solidity >=0.0;
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import "./announcementTypes.sol";
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import "./module.sol";
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import "./moduleHandler.sol";
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import "./safeMath.sol";
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contract publisher is announcementTypes, module, safeMath {
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/*
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module callbacks
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*/
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function transferEvent(address payable from, address payable to, uint256 value) external override returns (bool success) {
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/*
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Transaction completed. This function is available only for moduleHandler
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If a transaction is carried out from or to an address which participated in the objection of an announcement, its objection purport is automatically set
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*/
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require( super.isModuleHandler(msg.sender) );
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uint256 announcementID;
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uint256 a;
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// need reverse lookup
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for ( a=0 ; a<opponents[from].length ; a++ ) {
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announcementID = opponents[msg.sender][a];
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if ( announcements[announcementID].end < block.number && announcements[announcementID].open ) {
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announcements[announcementID].oppositionWeight = safeSub(announcements[a].oppositionWeight, value);
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}
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}
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for ( a=0 ; a<opponents[to].length ; a++ ) {
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announcementID = opponents[msg.sender][a];
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if ( announcements[announcementID].end < block.number && announcements[announcementID].open ) {
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announcements[announcementID].oppositionWeight = safeAdd(announcements[a].oppositionWeight, value);
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}
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}
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return true;
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}
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/*
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Pool
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*/
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uint256 public minAnnouncementDelay = 40320;
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uint256 public minAnnouncementDelayOnICO = 17280;
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uint8 public oppositeRate = 33;
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struct announcements_s {
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announcementType Type;
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uint256 start;
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uint256 end;
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bool open;
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string announcement;
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string link;
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bool oppositable;
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uint256 oppositionWeight;
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bool result;
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string _str;
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uint256 _uint;
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address payable _addr;
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}
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mapping(uint256 => announcements_s) public announcements;
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uint256 announcementsLength = 1;
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mapping (address => uint256[]) public opponents;
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constructor(address payable moduleHandler) {
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/*
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Installation function. The installer will be registered in the admin list automatically
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@moduleHandler Address of moduleHandler
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*/
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super.registerModuleHandler(moduleHandler);
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}
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function Announcements(uint256 id) public view returns (uint256 Type, uint256 Start, uint256 End, bool Closed, string memory Announcement, string memory Link, bool Opposited, string memory _str, uint256 _uint, address _addr) {
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/*
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Announcement data query
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@id Its identification
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@Type Subject of announcement
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@Start Height of announcement block
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@End Planned completion of announcement
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@Closed Closed or not
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@Announcement Announcement text
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@Link Link perhaps to a Forum
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@Opposited Objected or not
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@_str Text value
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@_uint Number value
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@_addr Address value
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*/
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Type = uint256(announcements[id].Type);
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Start = announcements[id].start;
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End = announcements[id].end;
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Closed = ! announcements[id].open;
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Announcement = announcements[id].announcement;
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Link = announcements[id].link;
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if ( checkOpposited(announcements[id].oppositionWeight, announcements[id].oppositable) ) {
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Opposited = true;
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}
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_str = announcements[id]._str;
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_uint = announcements[id]._uint;
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_addr = announcements[id]._addr;
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}
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function checkOpposited(uint256 weight, bool oppositable) public view returns (bool success) {
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/*
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Veto check
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@weight Purport of objections so far
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@oppositable Opposable at all
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@success Opposed or not
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*/
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if ( ! oppositable ) { return false; }
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(bool _success, uint256 _amount) = moduleHandler(moduleHandlerAddress).totalSupply();
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require( _success );
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return _amount * oppositeRate / 100 > weight;
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}
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function newAnnouncement(announcementType Type, string calldata Announcement, string calldata Link, bool Oppositable, string calldata _str, uint256 _uint, address payable _addr) onlyOwner external {
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/*
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New announcement. Can be called only by those in the admin list
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@Type Topic of announcement
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@Start height of announcement block
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@End planned completion of announcement
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@Closed Completed or not
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@Announcement Announcement text
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@Link link to a Forum
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@Opposition opposed or not
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@_str text box
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@_uint number box
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@_addr address box
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*/
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announcementsLength++;
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announcements[announcementsLength].Type = Type;
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announcements[announcementsLength].start = block.number;
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if ( checkICO() ) {
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announcements[announcementsLength].end = block.number + minAnnouncementDelayOnICO;
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} else {
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announcements[announcementsLength].end = block.number + minAnnouncementDelay;
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}
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announcements[announcementsLength].open = true;
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announcements[announcementsLength].announcement = Announcement;
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announcements[announcementsLength].link = Link;
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announcements[announcementsLength].oppositable = Oppositable;
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announcements[announcementsLength].oppositionWeight = 0;
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announcements[announcementsLength].result = false;
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announcements[announcementsLength]._str = _str;
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announcements[announcementsLength]._uint = _uint;
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announcements[announcementsLength]._addr = _addr;
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emit ENewAnnouncement(announcementsLength, Type);
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}
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function closeAnnouncement(uint256 id) onlyOwner external {
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/*
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Close announcement. It can be closed only by those in the admin list. Windup is allowed only after the announcement is completed.
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@id Announcement identification
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*/
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require( announcements[id].open && announcements[id].end < block.number );
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if ( ! checkOpposited(announcements[id].oppositionWeight, announcements[id].oppositable) ) {
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announcements[id].result = true;
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if ( announcements[id].Type == announcementType.newModule ) {
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require( moduleHandler(moduleHandlerAddress).newModule(announcements[id]._str, announcements[id]._addr, true, true) );
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} else if ( announcements[id].Type == announcementType.dropModule ) {
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require( moduleHandler(moduleHandlerAddress).dropModule(announcements[id]._str, true) );
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} else if ( announcements[id].Type == announcementType.replaceModule ) {
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require( moduleHandler(moduleHandlerAddress).replaceModule(announcements[id]._str, announcements[id]._addr, true) );
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} else if ( announcements[id].Type == announcementType.replaceModuleHandler) {
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require( moduleHandler(moduleHandlerAddress).replaceModuleHandler(announcements[id]._addr) );
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} else if ( announcements[id].Type == announcementType.transactionFeeRate ||
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announcements[id].Type == announcementType.transactionFeeMin ||
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announcements[id].Type == announcementType.transactionFeeMax ||
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announcements[id].Type == announcementType.transactionFeeBurn ) {
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require( moduleHandler(moduleHandlerAddress).configureModule("token", announcements[id].Type, announcements[id]._uint) );
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} else if ( announcements[id].Type == announcementType.providerPublicFunds ||
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announcements[id].Type == announcementType.providerPrivateFunds ||
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announcements[id].Type == announcementType.providerPrivateClientLimit ||
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announcements[id].Type == announcementType.providerPublicMinRate ||
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announcements[id].Type == announcementType.providerPublicMaxRate ||
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announcements[id].Type == announcementType.providerPrivateMinRate ||
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announcements[id].Type == announcementType.providerPrivateMaxRate ||
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announcements[id].Type == announcementType.providerGasProtect ||
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announcements[id].Type == announcementType.providerInterestMinFunds ||
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announcements[id].Type == announcementType.providerRentRate ) {
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require( moduleHandler(moduleHandlerAddress).configureModule("provider", announcements[id].Type, announcements[id]._uint) );
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} else if ( announcements[id].Type == announcementType.schellingRoundBlockDelay ||
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announcements[id].Type == announcementType.schellingCheckRounds ||
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announcements[id].Type == announcementType.schellingCheckAboves ||
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announcements[id].Type == announcementType.schellingRate ) {
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require( moduleHandler(moduleHandlerAddress).configureModule("schelling", announcements[id].Type, announcements[id]._uint) );
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} else if ( announcements[id].Type == announcementType.publisherMinAnnouncementDelay) {
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minAnnouncementDelay = announcements[id]._uint;
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} else if ( announcements[id].Type == announcementType.publisherOppositeRate) {
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oppositeRate = uint8(announcements[id]._uint);
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}
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}
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announcements[id].end = block.number;
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announcements[id].open = false;
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}
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function oppositeAnnouncement(uint256 id) external {
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/*
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Opposition of announcement
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If announcement is opposable, anyone owning a token can oppose it
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Opposition is automatically with the total amount of tokens
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If the quantity of his tokens changes, the purport of his opposition changes automatically
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The prime time is the windup of the announcement, because this is the moment when the number of tokens in opposition are counted.
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One address is entitled to be in oppositon only once. An opposition cannot be withdrawn.
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Running announcements can be opposed only.
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@id Announcement identification
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*/
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uint256 newArrayID = 0;
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bool foundEmptyArrayID = false;
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require( announcements[id].open );
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require( announcements[id].oppositable );
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for ( uint256 a=0 ; a<opponents[msg.sender].length ; a++ ) {
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require( opponents[msg.sender][a] != id );
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if ( ! announcements[opponents[msg.sender][a]].open) {
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delete opponents[msg.sender][a];
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if ( ! foundEmptyArrayID ) {
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foundEmptyArrayID = true;
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newArrayID = a;
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}
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}
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if ( ! foundEmptyArrayID ) {
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foundEmptyArrayID = true;
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newArrayID = a;
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}
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}
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(bool _success, uint256 _balance) = moduleHandler(moduleHandlerAddress).balanceOf(msg.sender);
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require( _success );
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require( _balance > 0);
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if ( foundEmptyArrayID ) {
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opponents[msg.sender][newArrayID] = id;
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} else {
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opponents[msg.sender].push(id);
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}
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announcements[id].oppositionWeight += _balance;
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emit EOppositeAnnouncement(id, msg.sender, _balance);
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}
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function invalidateAnnouncement(uint256 id) onlyOwner external {
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/*
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Withdraw announcement. Only those in the admin list can withdraw it.
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@id Announcement identification
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*/
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require( announcements[id].open );
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announcements[id].end = block.number;
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announcements[id].open = false;
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emit EInvalidateAnnouncement(id);
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}
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modifier onlyOwner() {
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/*
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Only the owner is allowed to call it.
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*/
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require( moduleHandler(moduleHandlerAddress).owners(msg.sender) );
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_;
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}
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function checkICO() internal returns (bool isICO) {
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/*
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Inner function to check the ICO status.
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@bool Is the ICO in process or not?
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*/
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(bool _success, bool _isICO) = moduleHandler(moduleHandlerAddress).isICO();
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require( _success );
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return _isICO;
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}
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event ENewAnnouncement(uint256 id, announcementType typ);
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event EOppositeAnnouncement(uint256 id, address addr, uint256 value);
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event EInvalidateAnnouncement(uint256 id);
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event ECloseAnnouncement(uint256 id);
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}
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