linera_execution

Trait ContractRuntime

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pub trait ContractRuntime: BaseRuntime {

Show 16 methods    // Required methods
    fn authenticated_signer(&mut self) -> Result<Option<Owner>, ExecutionError>;
    fn message_id(&mut self) -> Result<Option<MessageId>, ExecutionError>;
    fn message_is_bouncing(&mut self) -> Result<Option<bool>, ExecutionError>;
    fn authenticated_caller_id(
        &mut self,
    ) -> Result<Option<UserApplicationId>, ExecutionError>;
    fn remaining_fuel(&mut self) -> Result<u64, ExecutionError>;
    fn consume_fuel(&mut self, fuel: u64) -> Result<(), ExecutionError>;
    fn send_message(
        &mut self,
        message: SendMessageRequest<Vec<u8>>,
    ) -> Result<(), ExecutionError>;
    fn subscribe(
        &mut self,
        chain: ChainId,
        channel: ChannelName,
    ) -> Result<(), ExecutionError>;
    fn unsubscribe(
        &mut self,
        chain: ChainId,
        channel: ChannelName,
    ) -> Result<(), ExecutionError>;
    fn transfer(
        &mut self,
        source: Option<Owner>,
        destination: Account,
        amount: Amount,
    ) -> Result<(), ExecutionError>;
    fn claim(
        &mut self,
        source: Account,
        destination: Account,
        amount: Amount,
    ) -> Result<(), ExecutionError>;
    fn try_call_application(
        &mut self,
        authenticated: bool,
        callee_id: UserApplicationId,
        argument: Vec<u8>,
    ) -> Result<Vec<u8>, ExecutionError>;
    fn emit(
        &mut self,
        name: StreamName,
        key: Vec<u8>,
        value: Vec<u8>,
    ) -> Result<(), ExecutionError>;
    fn open_chain(
        &mut self,
        ownership: ChainOwnership,
        application_permissions: ApplicationPermissions,
        balance: Amount,
    ) -> Result<(MessageId, ChainId), ExecutionError>;
    fn close_chain(&mut self) -> Result<(), ExecutionError>;
    fn write_batch(&mut self, batch: Batch) -> Result<(), ExecutionError>;

}

Required Methods§

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fn authenticated_signer(&mut self) -> Result<Option<Owner>, ExecutionError>

The authenticated signer for this execution, if there is one.

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fn message_id(&mut self) -> Result<Option<MessageId>, ExecutionError>

The current message ID, if there is one.

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fn message_is_bouncing(&mut self) -> Result<Option<bool>, ExecutionError>

If the current message (if there is one) was rejected by its destination and is now bouncing back.

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fn authenticated_caller_id( &mut self, ) -> Result<Option<UserApplicationId>, ExecutionError>

The optional authenticated caller application ID, if it was provided and if there is one based on the execution context.

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fn remaining_fuel(&mut self) -> Result<u64, ExecutionError>

Returns the amount of execution fuel remaining before execution is aborted.

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fn consume_fuel(&mut self, fuel: u64) -> Result<(), ExecutionError>

Consumes some of the execution fuel.

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fn send_message( &mut self, message: SendMessageRequest<Vec<u8>>, ) -> Result<(), ExecutionError>

Schedules a message to be sent.

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fn subscribe( &mut self, chain: ChainId, channel: ChannelName, ) -> Result<(), ExecutionError>

Schedules to subscribe to some channel on a chain.

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fn unsubscribe( &mut self, chain: ChainId, channel: ChannelName, ) -> Result<(), ExecutionError>

Schedules to unsubscribe to some channel on a chain.

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fn transfer( &mut self, source: Option<Owner>, destination: Account, amount: Amount, ) -> Result<(), ExecutionError>

Transfers amount from source to destination.

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fn claim( &mut self, source: Account, destination: Account, amount: Amount, ) -> Result<(), ExecutionError>

Claims amount from source to destination.

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fn try_call_application( &mut self, authenticated: bool, callee_id: UserApplicationId, argument: Vec<u8>, ) -> Result<Vec<u8>, ExecutionError>

Calls another application. Forwarded sessions will now be visible to callee_id (but not to the caller any more).

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fn emit( &mut self, name: StreamName, key: Vec<u8>, value: Vec<u8>, ) -> Result<(), ExecutionError>

Adds a new item to an event stream.

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fn open_chain( &mut self, ownership: ChainOwnership, application_permissions: ApplicationPermissions, balance: Amount, ) -> Result<(MessageId, ChainId), ExecutionError>

Opens a new chain.

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fn close_chain(&mut self) -> Result<(), ExecutionError>

Closes the current chain.

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fn write_batch(&mut self, batch: Batch) -> Result<(), ExecutionError>

Writes a batch of changes.

Implementors§