Trait blockchain_core::StorageExternalities

pub trait StorageExternalities<Error> {
    fn read_storage(&self, key: &[u8]) -> Result<Option<Vec<u8>>, Error>;
    fn write_storage(&mut self, key: Vec<u8>, value: Vec<u8>);
    fn remove_storage(&mut self, key: &[u8]);
}

Externalities for reading a key value based storage.

Required methods

fn read_storage(&self, key: &[u8]) -> Result<Option<Vec<u8>>, Error>

Read storage value.

fn write_storage(&mut self, key: Vec<u8>, value: Vec<u8>)

Write storage value.

fn remove_storage(&mut self, key: &[u8])

Remove storage value.

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Implementors

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