new

    /// Creates a new Miner. Needs references to the chain state and its
    /// storage.

set_debug_output_id

    /// Keeping this optional so setting in a separate function
    /// instead of in the new function

inner_mining_loop

    /// The inner part of mining loop for the internal miner
    /// kept around mostly for automated testing purposes

run_loop

    /// Starts the mining loop, building a new block on top of the existing
    /// chain anytime required and looking for PoW solution.