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Add approval and allowance-based transfers for tickets

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Shay Patel
2024-10-25 14:36:57 +01:00
parent 6487f02509
commit 913bf7e78b
1 changed files with 54 additions and 14 deletions
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68
contracts/EventManager.sol
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@@ -12,39 +12,79 @@ contract EventManager {
uint256 ticketPrice; // in USD uint256 ticketPrice; // in USD
uint256 eventDate; uint256 eventDate;
string[] images; // array of image URLs string[] images; // array of image URLs
address[] participants; uint256[] tickets;
address eventHost; address eventHost;
} }
struct Ticket {
address holder;
uint256 boughtTime;
uint256 eventId;
}
mapping(uint256 => Event) public events; mapping(uint256 => Event) public events;
mapping(uint256 => Ticket) public tickets;
mapping(uint256 => mapping(address => bool)) ticketAllowance;
mapping(address => Event) public userEvents; mapping(address => Event) public userEvents;
uint256 public eventCounter; uint256 public eventCounter;
uint256 public ticketCounter;
function getTicketPrice() public view returns (uint256) {
// TODO: to be implemented
}
function createEvent(string memory _name, string memory _description, uint256 _capacity, uint256 _ticketPrice, uint256 _eventDate, string[] memory _images) public { function createEvent(string memory _name, string memory _description, uint256 _capacity, uint256 _ticketPrice, uint256 _eventDate, string[] memory _images) public {
events[eventCounter] = Event(_name, _description, _capacity, 0, _ticketPrice, _eventDate, _images, new address[](0), msg.sender); events[eventCounter] = Event(_name, _description, _capacity, 0, _ticketPrice, _eventDate, _images, new uint256[](0), msg.sender);
eventCounter++; eventCounter++;
} }
function getEventImages(uint256 eventId) public view returns (string[] memory) { function getEventImages(uint256 _eventId) public view returns (string[] memory) {
return events[eventId].images; return events[_eventId].images;
} }
function getEventPartipicants(uint256 eventId) public view returns (address[] memory) { function getEventTickets(uint256 _eventId) public view returns (uint256[] memory) {
return events[eventId].participants; return events[_eventId].tickets;
} }
//TODO: ADD CURRENCY CONVERSION + CHECK //TODO: ADD CURRENCY CONVERSION + CHECK
function buyTicket(uint256 eventId) public payable { function buyTicket(uint256 _eventId) public payable returns (uint256) {
require(eventId < eventCounter, "Invalid event ID"); require(_eventId < eventCounter, "Invalid event ID");
require(events[eventId].eventDate > block.timestamp, "Event has already passed"); require(events[_eventId].eventDate > block.timestamp, "Event has already passed");
require(events[eventId].participants.length < events[eventId].capacity, "Event is full"); require(events[_eventId].tickets.length < events[_eventId].capacity, "Event is full");
require(msg.value == events[eventId].ticketPrice, "Invalid ticket price"); require(msg.value == events[_eventId].ticketPrice, "Invalid ticket price");
events[eventId].participants.push(msg.sender);
events[eventId].ticketsSold++; // Create new ticket
tickets[ticketCounter] = Ticket(msg.sender, block.timestamp, _eventId);
ticketCounter++;
// Update number of tickets sold
events[_eventId].ticketsSold++;
// Transfer FLR to event host // Transfer FLR to event host
(bool sent, ) = events[eventId].eventHost.call{value: msg.value}(""); (bool sent, ) = events[_eventId].eventHost.call{value: msg.value}("");
require(sent, "Failed to send FLR to event host"); require(sent, "Failed to send FLR to event host");
} }
function transferTicketForce(uint256 _ticketId, address _to) private {
require(_ticketId < ticketCounter, "Invalid ticket ID");
require(events[tickets[_ticketId].eventId].eventDate > block.timestamp, "Event has already passed");
tickets[_ticketId].holder = _to;
}
function approveTicket(uint256 _ticketId, address _to, bool _allowed) public {
require(_ticketId < ticketCounter, "Invalid ticket ID");
require(tickets[_ticketId].holder == msg.sender, "You do not own this ticket");
ticketAllowance[_ticketId][_to] = _allowed;
}
function transferTicket(uint256 _ticketId, address _to) public {
require(_ticketId < ticketCounter, "Invalid ticket ID");
require(tickets[_ticketId].holder == msg.sender || tickets[_ticketId].holder == msg.sender, "You do not own this ticket");
require(ticketAllowance[_ticketId][msg.sender], "You are not allowed to transfer this ticket");
transferTicketForce(_ticketId, _to);
}
} }