Function block_exists

pub fn block_exists(
    block_hash: &BlockHash,
    table_block_heights: &impl DatabaseRo<BlockHeights>,
) -> Result<bool, RuntimeError>

Check if a block exists in the database.

Errors

Note that this will never return Err(RuntimeError::KeyNotFound), as in that case, Ok(false) will be returned.

Other errors may still occur.