Decentralized Event Ticketing Smart Contract

A smart contract that enables secure, transparent blockchain-based event ticketing.
Supports both regular and VIP tickets, refund flows, user ticket data storage, and owner-controlled event management.

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Features

🎟 Ticket Purchase (Regular + VIP)

• Users can buy regular tickets (0.001 ETH by default).
• Users can buy VIP tickets (0.004 ETH by default).
• Prevents double purchases (one ticket type per user).
• Automatically assigns ticket numbers.
• Stores user details:
  • Name
  • Email
  • Phone number
  • Ticket ID

💸 Refund System

• Refunds available only before the event date.
• Regular and VIP refund logic handled independently.
• Updates ticket status on refund.
• Frees seat count for resale.

🔐 Owner Controls

• Owner can:
  • Withdraw funds after the event ends.
  • Update ticket prices.
  • Change event date.

📊 Tracking & Queries

• View personal ticket info.
• View VIP ticket info.
• Check total tickets sold.
• Check total VIP tickets sold.
• Get seat availability.

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Contract Flow

1. Deploy contract

   • Event date set automatically (current timestamp + 7 days)

2. Users purchase tickets

   • payforticket() for regular
   • Buyvipseats() for VIP

3. Before event date

   • Users can call refund() or refundforvip()

4. After event date

   • Owner calls withdraw() to collect all ETH

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Events

• PurchasedTicket(buyer, ticketNo, amount)
• Refund(user, ticketNo, amount)
• Withdraw(owner, amount)
• ticketinfo(user, ticketNo)

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Tech Stack

• Solidity ^0.8.0
• EVM-compatible blockchain
• Remix / Hardhat for testing
• OpenZeppelin Ownable for access control

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How to Use

1. Install & Deploy

• Clone repo
• Deploy contract in Remix or Hardhat

2. Buy Ticket

payforticket("John", "john@mail.com", 9876543210)```

### 3. BuyVip Ticket
```solidity
Buyvipseats("Alice", "alice@mail.com", 9876512345)```

### 4. Refund (before event date)
```solidity
refund()
refundforvip()```

### 5. Check Ticket Info
```solidity
checkticket()
checkticketvip()```

### 6. Owner Withdraw (after event date)
```solidity
withdraw()```