query_state_exclusive_block

essential_node_db::finalized

Function query_state_exclusive_block 

Source 
pub fn query_state_exclusive_block(
    conn: &Connection,
    contract_ca: &ContentAddress,
    key: &Key,
    block_number: Word,
) -> Result<Option<Value>, QueryError>
Expand description

Query for the most recent version value of a key in a contracts state that was set before the given block number.

This is exclusive of the block’s state (..block_number).