Environment Setup

• 运行在链下

• 使用案例：Stateless backend 无状态后端

  • 需要注意 race condition，因为 phat contract 会并发执行

• Phat contract 建立在 ink! 之上，是 ink! 的超集

  • Phat contract = ink! + Pink Extension

  ink!

• https://github.com/Phala-Network/awesome-phat-contracts

• https://github.com/Phala-Network/fat-contract-examples

• Query & Transaction

#[ink(message)]
pub fn query_handler(&self, arg1: AccountId, arg2: u32) {
    // actual implementation
}

#[ink(message)]
pub fn transaction_handler(&mut self, arg1: AccountId, arg2: u32) {
    // actual implementation
}

• Pink Extension functionality