Trait oasis_contract_sdk::contract::Contract

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pub trait Contract {
    type Request: Decode;
    type Response: Encode;
    type Error: Error;

    // Required methods
    fn call<C: Context>(
        ctx: &mut C,
        request: Self::Request,
    ) -> Result<Self::Response, Self::Error>;
    fn query<C: Context>(
        _ctx: &mut C,
        _request: Self::Request,
    ) -> Result<Self::Response, Self::Error>;

    // Provided methods
    fn instantiate<C: Context>(
        _ctx: &mut C,
        _request: Self::Request,
    ) -> Result<(), Self::Error> { ... }
    fn handle_reply<C: Context>(
        _ctx: &mut C,
        _reply: Reply,
    ) -> Result<Option<Self::Response>, Self::Error> { ... }
    fn pre_upgrade<C: Context>(
        _ctx: &mut C,
        _request: Self::Request,
    ) -> Result<(), Self::Error> { ... }
    fn post_upgrade<C: Context>(
        _ctx: &mut C,
        _request: Self::Request,
    ) -> Result<(), Self::Error> { ... }
}
Expand description

Trait that needs to be implemented by contract implementations.

Required Associated Types§

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type Request: Decode

Type of all requests.

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type Response: Encode

Type of all responses.

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type Error: Error

Type of all errors.

Required Methods§

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fn call<C: Context>( ctx: &mut C, request: Self::Request, ) -> Result<Self::Response, Self::Error>

Call the contract.

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fn query<C: Context>( _ctx: &mut C, _request: Self::Request, ) -> Result<Self::Response, Self::Error>

Query the contract.

Provided Methods§

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fn instantiate<C: Context>( _ctx: &mut C, _request: Self::Request, ) -> Result<(), Self::Error>

Instantiate the contract.

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fn handle_reply<C: Context>( _ctx: &mut C, _reply: Reply, ) -> Result<Option<Self::Response>, Self::Error>

Handle replies from sent messages.

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fn pre_upgrade<C: Context>( _ctx: &mut C, _request: Self::Request, ) -> Result<(), Self::Error>

Perform any pre-upgrade tasks. This method is called on the old contract code.

If this method reports an error the upgrade will be aborted.

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fn post_upgrade<C: Context>( _ctx: &mut C, _request: Self::Request, ) -> Result<(), Self::Error>

Perform any post-upgrade tasks. This method is called on the new contract code.

If this method reports an error the upgrade will be aborted.

Object Safety§

This trait is not object safe.

Implementors§