elrond-wasm-module-pause 0.6.2

#![no_std]
#![allow(clippy::string_lit_as_bytes)]

#[macro_use]
extern crate elrond_wasm;

imports!();

/// The module deals with temporarily pausing contract operations.
/// It provides a flag that contracts can use to check if owner decided to pause the entire contract.
/// Use the features module for more granular on/off switches.
#[elrond_wasm_derive::module(PauseModuleImpl)]
pub trait PauseModule {

    #[view(isPaused)]
    #[storage_get("pause_module:paused")]
    fn is_paused(&self) -> bool;

    fn not_paused(&self) -> bool {
        !self.is_paused()
    }

    #[storage_set("pause_module:paused")]
    fn set_paused(&self, paused: bool);

    #[endpoint(pause)]
    fn pause_endpoint(&self) -> SCResult<()>{
        require!(self.get_caller() == self.get_owner_address(),
            "only owner allowed to pause contract");
        
        self.set_paused(true);
        // TODO: event
        Ok(())
    }

    #[endpoint(unpause)]
    fn unpause_endpoint(&self) -> SCResult<()>{
        require!(self.get_caller() == self.get_owner_address(),
            "only owner allowed to unpause contract");

        self.set_paused(false);
        // TODO: event
        Ok(())
    }
}