Kaisho Pay Smart Contract

Kaisho Pay is a decentralized payment system built on the Sui blockchain. It enables users to send, receive, and manage payments seamlessly using cryptocurrencies. The smart contract provides functionalities such as payment requests, payment links, deposits, withdrawals, and more.

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🌟 Features

• User Management: Create and manage user accounts with linked addresses.
• Payment Requests: Request payments from other users with custom messages and amounts.
• Payment Links: Generate payment links for easy and secure transactions.
• Deposits & Withdrawals: Deposit funds into your account and withdraw them as needed.
• Transaction History: Track all incoming and outgoing payments with detailed transaction history.
• Multi-Currency Support: Built to support SUI and other compatible tokens.
• Event Logging: Emits events for all major actions (e.g., payments, deposits, withdrawals).

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📜 Smart Contract Overview

The Kaisho Pay smart contract is written in Move, the programming language for the Sui blockchain. It consists of the following key components:

Structs

• User: Represents a user account with a username, balance, payment requests, and transaction history.
• PaymentLink: Represents a payment link that can be shared for easy payments.
• Request: Represents a payment request from one user to another.
• SendReceive: Represents a transaction entry in the user's history.
• Kaisho Pay: The main contract struct that stores all user accounts and owner mappings.

Key Functions

• add_user: Create a new user account.
• create_payment_link: Generate a payment link for easy payments.
• pay_via_payment_link: Pay via a generated payment link.
• deposit: Deposit funds into a user's account.
• create_request: Create a payment request for another user.
• pay_request: Pay a pending payment request.
• withdraw: Withdraw funds from a user's account.
• add_linked_address: Add a linked address to a user's account.
• remove_linked_address: Remove a linked address from a user's account.

Events

• EventUserAdded: Emitted when a new user is added.
• EventPaymentLinkCreated: Emitted when a payment link is created.
• EventPaymentLinkPaid: Emitted when a payment link is paid.
• EventDepositMade: Emitted when a deposit is made.
• EventPaymentMade: Emitted when a payment is made.
• EventWithDrawal: Emitted when a withdrawal is made.

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🛠️ Getting Started

Prerequisites

• Sui Blockchain: Ensure you have access to the Sui blockchain (testnet or mainnet).
• Move Compiler: Install the Move compiler to build and deploy the smart contract.

Deployment

1. Clone the repository:

   git clone https://github.com/your-repo/Kaisho Pay.git
   cd Kaisho Pay

2. Compile the smart contract:

   sui move build

3. Deploy the contract to the Sui blockchain:

   sui client publish --gas-budget 10000

Interacting with the Contract

• Use the Sui CLI or a frontend application to interact with the deployed contract.
• Call functions like add_user, create_payment_link, deposit, and withdraw to manage payments.

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📜 License

This project is licensed under the MIT License. See the LICENSE file for details.

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🤝 Contributing

Contributions are welcome! Please open an issue or submit a pull request for any improvements or bug fixes.

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Empower your payments with Kaisho Pay and experience seamless Web3 transactions!